summary refs log blame commit diff stats
path: root/src/fe-gtk/xtext.c
blob: d474f14846da11105d7f2f00adbccb66d553ba26 (plain) (tree)
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5699
5700
5701
5702
5703
5704
5705
5706
5707
5708
5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
5754
5755
5756
5757
5758
5759
5760
5761
5762
5763
5764
5765
5766
5767
5768
5769
5770
5771
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804
5805
5806
5807
5808
5809
5810
5811
5812
5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
5926
5927
5928
5929
5930
5931
5932
5933
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977
5978
5979
5980
5981
5982
5983
5984
5985
5986
5987
5988
5989
5990
5991
5992
5993
5994
5995
5996
5997
5998
5999
6000
6001
6002
6003
6004
6005
6006
6007
6008
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6020
6021
6022
6023
6024











































                                                                                                   






















                                                                              




                             






                                                  

                   















                                                                             













                                                      


















                                                            
                                                   





































                                                                                                                                  







                                                           

                                                                           
                                                                                                                    

                                                                                                





                                                                                                                          







































































































































































































































































































































































































































































































































































































































                                                                                                                                                     

                                                                               



































































































































































































































                                                                                                                                                     
                             
                                                                     


                                                                       





























































































                                                                                                                                              
                                                                                    




























                                                                                                                       






































































































































































































































































































































































































































































































































































































                                                                                                                             




























                                                                                                 










                                                 



                                               


                                          






                                                                                 





















                                                                                                                                             

         






                                             


                                          


                                                                        
                                       
         


















                                                                                                                                           

         








                                                                                               




                              




                                                                           
                                                   


                                                           
                                    

                                                                                 







                                                                         
         






















































                                                                             
                                                                                                 
























































                                                                     
                                                          



































































































































































                                                                                                                                                             









                                                                                    


































































                                                                                   




                                                            







                                                   
                                                                                    
                                                          



                                                                                     































































                                                                                                                  



                                                                                     














                                                                                      



                                                                                     




























































































































                                                                                                     
                                                                                                    






































                                                                                                       

                                                                                                                                        


                                                                                                                                          

                                                                                                                                        
      

















































































































                                                                                                                                 
                                                                                                                   





                                



                                    





                                           


                   
































                                                                                                   












                                                                                                            
                                                             
                                 




                         





                                                                    








                             




                                  


                       
 






































































































                                                                          
                                                                                                                                            




































































































































































                                                                                                                    





                                                        
                                                        

















































                                                                                         













                                                                                                                


                                   






















































































































































                                                                                                                                     











































                                                                                                              




















































































































































                                                                                                




                                                         





















                                                                                        
                              






































































































































































































































































































































































































































































































































































































































                                                                                                                               
                                                                            






































































































































































































































































































































































































































































































































































                                                                                                                                    
                                                                                                                      

































































































































































































































































































































































































                                                                                                                         




                                                             































































                                                                                                                                              
















                                                                                                                                              

































                                                              

                                                    






























                                                                               

                                          


                   



                             
 
                                                                            
 


                                                               
         












                                                                                                
                                    
                 












                                                                                 

                                                                                  
 


                                
 
















                                                     
 

                     
         




                                                     
                              







                                             
         
 



                                                              
 









                                                                                                                
         















































                                                                                                                                 
                             
         
 





























































































































                                                                                                         
         

                                                            
 

                                                                                            
                 


                                                             
                         






































































































                                                                                                              
                         
                 
                                                      

         

                                                   
                               
 


                   





























































                                                                                        
                          

















                                                                                                
                                                                                                               
     
                                                                                            
      
              






































                                                                                                                                                      



                                                             





































































































































































































































































































































                                                                                                                                      




                                            









                                 
/* X-Chat
 * Copyright (C) 1998 Peter Zelezny.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 * =========================================================================
 *
 * xtext, the text widget used by X-Chat.
 * By Peter Zelezny <zed@xchat.org>.
 *
 */

#define XCHAT							/* using xchat */
#define TINT_VALUE 195				/* 195/255 of the brightness. */
#define MOTION_MONITOR				/* URL hilights. */
#define SMOOTH_SCROLL				/* line-by-line or pixel scroll? */
#define SCROLL_HACK					/* use XCopyArea scroll, or full redraw? */
#undef COLOR_HILIGHT				/* Color instead of underline? */
/* Italic is buggy because it assumes drawing an italic string will have
   identical extents to the normal font. This is only true some of the
   time, so we can't use this hack yet. */
#undef ITALIC							/* support Italic? */
#define GDK_MULTIHEAD_SAFE
#define USE_DB							/* double buffer */

#define MARGIN 2						/* dont touch. */
#define REFRESH_TIMEOUT 20
#define WORDWRAP_LIMIT 24

#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <time.h>
#include <gtk/gtkmain.h>
#include <gtk/gtksignal.h>
#include <gtk/gtkselection.h>
#include <gtk/gtkclipboard.h>
#include <gtk/gtkversion.h>
#include <gtk/gtkwindow.h>

#ifdef XCHAT
#include "../../config.h"			/* can define USE_XLIB here */
#else
#define USE_XLIB
#endif

#ifdef USE_XLIB
#include <gdk/gdkx.h>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
#endif

#ifdef USE_MMX
#include "mmx_cmod.h"
#endif

#include "../common/xchat.h"
#include "../common/fe.h"
#include "../common/util.h"
#include "../common/xchatc.h"
#include "fe-gtk.h"
#include "xtext.h"

#define charlen(str) g_utf8_skip[*(guchar *)(str)]

#ifdef WIN32
#include <windows.h>
#include <gdk/gdkwin32.h>
#else
#include <unistd.h>
#endif

/* is delimiter */
#define is_del(c) \
	(c == ' ' || c == '\n' || c == ')' || c == '(' || \
	 c == '>' || c == '<' || c == ATTR_RESET || c == ATTR_BOLD || c == 0)

#ifdef SCROLL_HACK
/* force scrolling off */
#define dontscroll(buf) (buf)->last_pixel_pos = 0x7fffffff
#else
#define dontscroll(buf)
#endif

static GtkWidgetClass *parent_class = NULL;

/*
 * offsets_t is used for retaining search information.
 * It is stored in the 'data' member of a GList,
 * as chained from ent->marks.  It saves starting and
 * ending+1 offset of a found occurrence.
 */
typedef union offsets_u {
	struct offsets_s {
		guint16	start;
		guint16	end;
	} o;
	guint32 u;
} offsets_t;

struct textentry
{
	struct textentry *next;
	struct textentry *prev;
	unsigned char *str;
	time_t stamp;
	gint16 str_width;
	gint16 str_len;
	gint16 mark_start;
	gint16 mark_end;
	gint16 indent;
	gint16 left_len;
	gint16 lines_taken;
#define RECORD_WRAPS 4
	guint16 wrap_offset[RECORD_WRAPS];
	guchar mb;		/* boolean: is multibyte? */
	guchar tag;
	guchar pad1;
	guchar pad2;	/* 32-bit align : 44 bytes total */
	GList *marks;	/* List of found strings */
};

enum
{
	WORD_CLICK,
	LAST_SIGNAL
};

/* values for selection info */
enum
{
	TARGET_UTF8_STRING,
	TARGET_STRING,
	TARGET_TEXT,
	TARGET_COMPOUND_TEXT
};

static guint xtext_signals[LAST_SIGNAL];

#ifdef XCHAT
char *nocasestrstr (const char *text, const char *tofind);	/* util.c */
int xtext_get_stamp_str (time_t, char **);
#endif
static void gtk_xtext_render_page (GtkXText * xtext);
static void gtk_xtext_calc_lines (xtext_buffer *buf, int);
#if defined(USE_XLIB) || defined(WIN32)
static void gtk_xtext_load_trans (GtkXText * xtext);
static void gtk_xtext_free_trans (GtkXText * xtext);
#endif
static char *gtk_xtext_selection_get_text (GtkXText *xtext, int *len_ret);
static textentry *gtk_xtext_nth (GtkXText *xtext, int line, int *subline);
static void gtk_xtext_adjustment_changed (GtkAdjustment * adj,
														GtkXText * xtext);
static int gtk_xtext_render_ents (GtkXText * xtext, textentry *, textentry *);
static void gtk_xtext_recalc_widths (xtext_buffer *buf, int);
static void gtk_xtext_fix_indent (xtext_buffer *buf);
static int gtk_xtext_find_subline (GtkXText *xtext, textentry *ent, int line);
static char *gtk_xtext_conv_color (unsigned char *text, int len, int *newlen);
/* For use by gtk_xtext_strip_color() and its callers -- */
typedef union offlen_u {
   struct offlen_s {
      guint16  off;
      guint16  len;
   } o;
   guint32 u;
} offlen_t;
static unsigned char *
gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf,
							  int *newlen, int *mb_ret, GSList **slp, int strip_hidden);
static gboolean gtk_xtext_check_ent_visibility (GtkXText * xtext, textentry *find_ent, int add);
static int gtk_xtext_render_page_timeout (GtkXText * xtext);
static int gtk_xtext_search_offset (xtext_buffer *buf, textentry *ent, unsigned int off);
static void gtk_xtext_search_textentry (xtext_buffer *, textentry *, int);
static void gtk_xtext_search_textentry_del (xtext_buffer *, textentry *);
static void gtk_xtext_search_textentry_fini (gpointer, gpointer);
static void gtk_xtext_search_fini (xtext_buffer *);
static gboolean gtk_xtext_search_init (xtext_buffer *buf, const gchar *text, gtk_xtext_search_flags flags, GError **perr);

/* some utility functions first */

#ifndef XCHAT	/* xchat has this in util.c */

static char *
nocasestrstr (const char *s, const char *tofind)
{
   register const size_t len = strlen (tofind);

   if (len == 0)
     return (char *)s;
   while (toupper(*s) != toupper(*tofind) || strncasecmp (s, tofind, len))
     if (*s++ == '\0')
       return (char *)NULL;
   return (char *)s;   
}

#endif

/* gives width of a 8bit string - with no mIRC codes in it */

static int
gtk_xtext_text_width_8bit (GtkXText *xtext, unsigned char *str, int len)
{
	int width = 0;

	while (len)
	{
		width += xtext->fontwidth[*str];
		str++;
		len--;
	}

	return width;
}

#ifdef WIN32

static void
win32_draw_bg (GtkXText *xtext, int x, int y, int width, int height)
{
	HDC hdc;
	HWND hwnd;
	HRGN rgn;

	if (xtext->shaded)
	{
		/* xtext->pixmap is really a GdkImage, created in win32_tint() */
		gdk_draw_image (xtext->draw_buf, xtext->bgc, (GdkImage*)xtext->pixmap,
							 x, y, x, y, width, height);
	} else
	{
		hwnd = GDK_WINDOW_HWND (xtext->draw_buf);
		hdc = GetDC (hwnd);

		rgn = CreateRectRgn (x, y, x + width, y + height);
		SelectClipRgn (hdc, rgn);

		PaintDesktop (hdc);

		ReleaseDC (hwnd, hdc);
		DeleteObject (rgn);
	}
}

static void
xtext_draw_bg (GtkXText *xtext, int x, int y, int width, int height)
{
	if (xtext->transparent)
		win32_draw_bg (xtext, x, y, width, height);
	else
		gdk_draw_rectangle (xtext->draw_buf, xtext->bgc, 1, x, y, width, height);
}

#else

#define xtext_draw_bg(xt,x,y,w,h) gdk_draw_rectangle(xt->draw_buf, xt->bgc, \
																	  1,x,y,w,h);

#endif

/* ========================================= */
/* ========== XFT 1 and 2 BACKEND ========== */
/* ========================================= */

#ifdef USE_XFT

static void
backend_font_close (GtkXText *xtext)
{
	XftFontClose (GDK_WINDOW_XDISPLAY (xtext->draw_buf), xtext->font);
#ifdef ITALIC
	XftFontClose (GDK_WINDOW_XDISPLAY (xtext->draw_buf), xtext->ifont);
#endif
}

static void
backend_init (GtkXText *xtext)
{
	if (xtext->xftdraw == NULL)
	{
		xtext->xftdraw = XftDrawCreate (
			GDK_WINDOW_XDISPLAY (xtext->draw_buf),
			GDK_WINDOW_XWINDOW (xtext->draw_buf),
			GDK_VISUAL_XVISUAL (gdk_drawable_get_visual (xtext->draw_buf)),
			GDK_COLORMAP_XCOLORMAP (gdk_drawable_get_colormap (xtext->draw_buf)));
		XftDrawSetSubwindowMode (xtext->xftdraw, IncludeInferiors);
	}
}

static void
backend_deinit (GtkXText *xtext)
{
	if (xtext->xftdraw)
	{
		XftDrawDestroy (xtext->xftdraw);
		xtext->xftdraw = NULL;
	}
}

static XftFont *
backend_font_open_real (Display *xdisplay, char *name, gboolean italics)
{
	XftFont *font = NULL;
	PangoFontDescription *fontd;
	int weight, slant, screen = DefaultScreen (xdisplay);

	fontd = pango_font_description_from_string (name);

	if (pango_font_description_get_size (fontd) != 0)
	{
		weight = pango_font_description_get_weight (fontd);
		/* from pangoft2-fontmap.c */
		if (weight < (PANGO_WEIGHT_NORMAL + PANGO_WEIGHT_LIGHT) / 2)
			weight = XFT_WEIGHT_LIGHT;
		else if (weight < (PANGO_WEIGHT_NORMAL + 600) / 2)
			weight = XFT_WEIGHT_MEDIUM;
		else if (weight < (600 + PANGO_WEIGHT_BOLD) / 2)
			weight = XFT_WEIGHT_DEMIBOLD;
		else if (weight < (PANGO_WEIGHT_BOLD + PANGO_WEIGHT_ULTRABOLD) / 2)
			weight = XFT_WEIGHT_BOLD;
		else
			weight = XFT_WEIGHT_BLACK;

		slant = pango_font_description_get_style (fontd);
		if (slant == PANGO_STYLE_ITALIC)
			slant = XFT_SLANT_ITALIC;
		else if (slant == PANGO_STYLE_OBLIQUE)
			slant = XFT_SLANT_OBLIQUE;
		else
			slant = XFT_SLANT_ROMAN;

		font = XftFontOpen (xdisplay, screen,
						XFT_FAMILY, XftTypeString, pango_font_description_get_family (fontd),
						XFT_CORE, XftTypeBool, False,
						XFT_SIZE, XftTypeDouble, (double)pango_font_description_get_size (fontd)/PANGO_SCALE,
						XFT_WEIGHT, XftTypeInteger, weight,
						XFT_SLANT, XftTypeInteger, italics ? XFT_SLANT_ITALIC : slant,
						NULL);
	}
	pango_font_description_free (fontd);

	if (font == NULL)
	{
		font = XftFontOpenName (xdisplay, screen, name);
		if (font == NULL)
			font = XftFontOpenName (xdisplay, screen, "sans-11");
	}

	return font;
}

static void
backend_font_open (GtkXText *xtext, char *name)
{
	Display *dis = GDK_WINDOW_XDISPLAY (xtext->draw_buf);

	xtext->font = backend_font_open_real (dis, name, FALSE);
#ifdef ITALIC
	xtext->ifont = backend_font_open_real (dis, name, TRUE);
#endif
}

inline static int
backend_get_char_width (GtkXText *xtext, unsigned char *str, int *mbl_ret)
{
	XGlyphInfo ext;

	if (*str < 128)
	{
		*mbl_ret = 1;
		return xtext->fontwidth[*str];
	}

	*mbl_ret = charlen (str);
	XftTextExtentsUtf8 (GDK_WINDOW_XDISPLAY (xtext->draw_buf), xtext->font, str, *mbl_ret, &ext);

	return ext.xOff;
}

static int
backend_get_text_width (GtkXText *xtext, guchar *str, int len, int is_mb)
{
	XGlyphInfo ext;

	if (!is_mb)
		return gtk_xtext_text_width_8bit (xtext, str, len);

	XftTextExtentsUtf8 (GDK_WINDOW_XDISPLAY (xtext->draw_buf), xtext->font, str, len, &ext);
	return ext.xOff;
}

static void
backend_draw_text (GtkXText *xtext, int dofill, GdkGC *gc, int x, int y,
						 char *str, int len, int str_width, int is_mb)
{
	/*Display *xdisplay = GDK_WINDOW_XDISPLAY (xtext->draw_buf);*/
	void (*draw_func) (XftDraw *, XftColor *, XftFont *, int, int, XftChar8 *, int) = (void *)XftDrawString8;
	XftFont *font;

	/* if all ascii, use String8 to avoid the conversion penalty */
	if (is_mb)
		draw_func = (void *)XftDrawStringUtf8;

	if (dofill)
	{
/*		register GC xgc = GDK_GC_XGC (gc);
		XSetForeground (xdisplay, xgc, xtext->xft_bg->pixel);
		XFillRectangle (xdisplay, GDK_WINDOW_XWINDOW (xtext->draw_buf), xgc, x,
							 y - xtext->font->ascent, str_width, xtext->fontsize);*/
		XftDrawRect (xtext->xftdraw, xtext->xft_bg, x,
						 y - xtext->font->ascent, str_width, xtext->fontsize);
	}

	font = xtext->font;
#ifdef ITALIC
	if (xtext->italics)
		font = xtext->ifont;
#endif

	draw_func (xtext->xftdraw, xtext->xft_fg, font, x, y, str, len);

	if (xtext->overdraw)
		draw_func (xtext->xftdraw, xtext->xft_fg, font, x, y, str, len);

	if (xtext->bold)
		draw_func (xtext->xftdraw, xtext->xft_fg, font, x + 1, y, str, len);
}

/*static void
backend_set_clip (GtkXText *xtext, GdkRectangle *area)
{
	gdk_gc_set_clip_rectangle (xtext->fgc, area);
	gdk_gc_set_clip_rectangle (xtext->bgc, area);
}

static void
backend_clear_clip (GtkXText *xtext)
{
	gdk_gc_set_clip_rectangle (xtext->fgc, NULL);
	gdk_gc_set_clip_rectangle (xtext->bgc, NULL);
}*/

/*static void
backend_set_clip (GtkXText *xtext, GdkRectangle *area)
{
	Region reg;
	XRectangle rect;

	rect.x = area->x;
	rect.y = area->y;
	rect.width = area->width;
	rect.height = area->height;

	reg = XCreateRegion ();
	XUnionRectWithRegion (&rect, reg, reg);
	XftDrawSetClip (xtext->xftdraw, reg);
	XDestroyRegion (reg);

	gdk_gc_set_clip_rectangle (xtext->fgc, area);
}

static void
backend_clear_clip (GtkXText *xtext)
{
	XftDrawSetClip (xtext->xftdraw, NULL);
	gdk_gc_set_clip_rectangle (xtext->fgc, NULL);
}
*/
#else	/* !USE_XFT */

/* ======================================= */
/* ============ PANGO BACKEND ============ */
/* ======================================= */

static void
backend_font_close (GtkXText *xtext)
{
	pango_font_description_free (xtext->font->font);
#ifdef ITALIC
	pango_font_description_free (xtext->font->ifont);
#endif
}

static void
backend_init (GtkXText *xtext)
{
	if (xtext->layout == NULL)
	{
		xtext->layout = gtk_widget_create_pango_layout (GTK_WIDGET (xtext), 0); 
		if (xtext->font)
			pango_layout_set_font_description (xtext->layout, xtext->font->font);
	}
}

static void
backend_deinit (GtkXText *xtext)
{
	if (xtext->layout)
	{
		g_object_unref (xtext->layout);
		xtext->layout = NULL;
	}
}

static PangoFontDescription *
backend_font_open_real (char *name)
{
	PangoFontDescription *font;

	font = pango_font_description_from_string (name);
	if (font && pango_font_description_get_size (font) == 0)
	{
		pango_font_description_free (font);
		font = pango_font_description_from_string ("sans 11");
	}
	if (!font)
		font = pango_font_description_from_string ("sans 11");

	return font;
}

static void
backend_font_open (GtkXText *xtext, char *name)
{
	PangoLanguage *lang;
	PangoContext *context;
	PangoFontMetrics *metrics;

	xtext->font = &xtext->pango_font;
	xtext->font->font = backend_font_open_real (name);
	if (!xtext->font->font)
	{
		xtext->font = NULL;
		return;
	}
#ifdef ITALIC
	xtext->font->ifont = backend_font_open_real (name);
	pango_font_description_set_style (xtext->font->ifont, PANGO_STYLE_ITALIC);
#endif

	backend_init (xtext);
	pango_layout_set_font_description (xtext->layout, xtext->font->font);

	/* vte does it this way */
	context = gtk_widget_get_pango_context (GTK_WIDGET (xtext));
	lang = pango_context_get_language (context);
	metrics = pango_context_get_metrics (context, xtext->font->font, lang);
	xtext->font->ascent = pango_font_metrics_get_ascent (metrics) / PANGO_SCALE;
	xtext->font->descent = pango_font_metrics_get_descent (metrics) / PANGO_SCALE;
	pango_font_metrics_unref (metrics);
}

static int
backend_get_text_width (GtkXText *xtext, guchar *str, int len, int is_mb)
{
	int width;

	if (!is_mb)
		return gtk_xtext_text_width_8bit (xtext, str, len);

	if (*str == 0)
		return 0;

	pango_layout_set_text (xtext->layout, str, len);
	pango_layout_get_pixel_size (xtext->layout, &width, NULL);

	return width;
}

inline static int
backend_get_char_width (GtkXText *xtext, unsigned char *str, int *mbl_ret)
{
	int width;

	if (*str < 128)
	{
		*mbl_ret = 1;
		return xtext->fontwidth[*str];
	}

	*mbl_ret = charlen (str);
	pango_layout_set_text (xtext->layout, str, *mbl_ret);
	pango_layout_get_pixel_size (xtext->layout, &width, NULL);

	return width;
}

/* simplified version of gdk_draw_layout_line_with_colors() */

static void 
xtext_draw_layout_line (GdkDrawable      *drawable,
								GdkGC            *gc,
								gint              x, 
								gint              y,
								PangoLayoutLine  *line)
{
	GSList *tmp_list = line->runs;
	PangoRectangle logical_rect;
	gint x_off = 0;

	while (tmp_list)
	{
		PangoLayoutRun *run = tmp_list->data;

		pango_glyph_string_extents (run->glyphs, run->item->analysis.font,
											 NULL, &logical_rect);

		gdk_draw_glyphs (drawable, gc, run->item->analysis.font,
							  x + x_off / PANGO_SCALE, y, run->glyphs);

		x_off += logical_rect.width;
		tmp_list = tmp_list->next;
	}
}

static void
backend_draw_text (GtkXText *xtext, int dofill, GdkGC *gc, int x, int y,
						 char *str, int len, int str_width, int is_mb)
{
	GdkGCValues val;
	GdkColor col;
	PangoLayoutLine *line;

#ifdef ITALIC
	if (xtext->italics)
		pango_layout_set_font_description (xtext->layout, xtext->font->ifont);
#endif

	pango_layout_set_text (xtext->layout, str, len);

	if (dofill)
	{
#ifdef WIN32
		if (xtext->transparent && !xtext->backcolor)
			win32_draw_bg (xtext, x, y - xtext->font->ascent, str_width,
								xtext->fontsize);
		else
#endif
		{
			gdk_gc_get_values (gc, &val);
			col.pixel = val.background.pixel;
			gdk_gc_set_foreground (gc, &col);
			gdk_draw_rectangle (xtext->draw_buf, gc, 1, x, y -
									  xtext->font->ascent, str_width, xtext->fontsize);
			col.pixel = val.foreground.pixel;
			gdk_gc_set_foreground (gc, &col);
		}
	}

	line = pango_layout_get_lines (xtext->layout)->data;

	xtext_draw_layout_line (xtext->draw_buf, gc, x, y, line);

	if (xtext->overdraw)
		xtext_draw_layout_line (xtext->draw_buf, gc, x, y, line);

	if (xtext->bold)
		xtext_draw_layout_line (xtext->draw_buf, gc, x + 1, y, line);

#ifdef ITALIC
	if (xtext->italics)
		pango_layout_set_font_description (xtext->layout, xtext->font->font);
#endif
}

/*static void
backend_set_clip (GtkXText *xtext, GdkRectangle *area)
{
	gdk_gc_set_clip_rectangle (xtext->fgc, area);
	gdk_gc_set_clip_rectangle (xtext->bgc, area);
}

static void
backend_clear_clip (GtkXText *xtext)
{
	gdk_gc_set_clip_rectangle (xtext->fgc, NULL);
	gdk_gc_set_clip_rectangle (xtext->bgc, NULL);
}*/

#endif /* !USE_PANGO */

static void
xtext_set_fg (GtkXText *xtext, GdkGC *gc, int index)
{
	GdkColor col;

	col.pixel = xtext->palette[index];
	gdk_gc_set_foreground (gc, &col);

#ifdef USE_XFT
	if (gc == xtext->fgc)
		xtext->xft_fg = &xtext->color[index];
	else
		xtext->xft_bg = &xtext->color[index];
#endif
}

#ifdef USE_XFT

#define xtext_set_bg(xt,gc,index) xt->xft_bg = &xt->color[index]

#else

static void
xtext_set_bg (GtkXText *xtext, GdkGC *gc, int index)
{
	GdkColor col;

	col.pixel = xtext->palette[index];
	gdk_gc_set_background (gc, &col);
}

#endif

static void
gtk_xtext_init (GtkXText * xtext)
{
	xtext->pixmap = NULL;
	xtext->io_tag = 0;
	xtext->add_io_tag = 0;
	xtext->scroll_tag = 0;
	xtext->max_lines = 0;
	xtext->col_back = XTEXT_BG;
	xtext->col_fore = XTEXT_FG;
	xtext->nc = 0;
	xtext->pixel_offset = 0;
	xtext->bold = FALSE;
	xtext->underline = FALSE;
	xtext->italics = FALSE;
	xtext->hidden = FALSE;
	xtext->font = NULL;
#ifdef USE_XFT
	xtext->xftdraw = NULL;
#else
	xtext->layout = NULL;
#endif
	xtext->jump_out_offset = 0;
	xtext->jump_in_offset = 0;
	xtext->ts_x = 0;
	xtext->ts_y = 0;
	xtext->clip_x = 0;
	xtext->clip_x2 = 1000000;
	xtext->clip_y = 0;
	xtext->clip_y2 = 1000000;
	xtext->error_function = NULL;
	xtext->urlcheck_function = NULL;
	xtext->color_paste = FALSE;
	xtext->skip_border_fills = FALSE;
	xtext->skip_stamp = FALSE;
	xtext->render_hilights_only = FALSE;
	xtext->un_hilight = FALSE;
	xtext->recycle = FALSE;
	xtext->dont_render = FALSE;
	xtext->dont_render2 = FALSE;
	xtext->overdraw = FALSE;
	xtext->tint_red = xtext->tint_green = xtext->tint_blue = TINT_VALUE;

	xtext->adj = (GtkAdjustment *) gtk_adjustment_new (0, 0, 1, 1, 1, 1);
	g_object_ref (G_OBJECT (xtext->adj));
	g_object_ref_sink (G_OBJECT (xtext->adj));
	g_object_unref (G_OBJECT (xtext->adj));

	xtext->vc_signal_tag = g_signal_connect (G_OBJECT (xtext->adj),
				"value_changed", G_CALLBACK (gtk_xtext_adjustment_changed), xtext);
	{
		static const GtkTargetEntry targets[] = {
			{ "UTF8_STRING", 0, TARGET_UTF8_STRING },
			{ "STRING", 0, TARGET_STRING },
			{ "TEXT",   0, TARGET_TEXT }, 
			{ "COMPOUND_TEXT", 0, TARGET_COMPOUND_TEXT }
		};
		static const gint n_targets = sizeof (targets) / sizeof (targets[0]);

		gtk_selection_add_targets (GTK_WIDGET (xtext), GDK_SELECTION_PRIMARY,
											targets, n_targets);
	}

	if (getenv ("XCHAT_OVERDRAW"))
		xtext->overdraw = TRUE;
}

static void
gtk_xtext_adjustment_set (xtext_buffer *buf, int fire_signal)
{
	GtkAdjustment *adj = buf->xtext->adj;

	if (buf->xtext->buffer == buf)
	{
		adj->lower = 0;
		adj->upper = buf->num_lines;

		if (adj->upper == 0)
			adj->upper = 1;

		adj->page_size = GTK_WIDGET (buf->xtext)->allocation.height /
							  buf->xtext->fontsize;
		adj->page_increment = adj->page_size;

		if (adj->value > adj->upper - adj->page_size)
			adj->value = adj->upper - adj->page_size;

		if (adj->value < 0)
			adj->value = 0;

		if (fire_signal)
			gtk_adjustment_changed (adj);
	}
}

static gint
gtk_xtext_adjustment_timeout (GtkXText * xtext)
{
	gtk_xtext_render_page (xtext);
	xtext->io_tag = 0;
	return 0;
}

static void
gtk_xtext_adjustment_changed (GtkAdjustment * adj, GtkXText * xtext)
{
#ifdef SMOOTH_SCROLL
	if (xtext->buffer->old_value != xtext->adj->value)
#else
	if ((int) xtext->buffer->old_value != (int) xtext->adj->value)
#endif
	{
		if (xtext->adj->value >= xtext->adj->upper - xtext->adj->page_size)
			xtext->buffer->scrollbar_down = TRUE;
		else
			xtext->buffer->scrollbar_down = FALSE;

		if (xtext->adj->value + 1 == xtext->buffer->old_value ||
			 xtext->adj->value - 1 == xtext->buffer->old_value)	/* clicked an arrow? */
		{
			if (xtext->io_tag)
			{
				g_source_remove (xtext->io_tag);
				xtext->io_tag = 0;
			}
			gtk_xtext_render_page (xtext);
		} else
		{
			if (!xtext->io_tag)
				xtext->io_tag = g_timeout_add (REFRESH_TIMEOUT,
															(GSourceFunc)
															gtk_xtext_adjustment_timeout,
															xtext);
		}
	}
	xtext->buffer->old_value = adj->value;
}

GtkWidget *
gtk_xtext_new (GdkColor palette[], int separator)
{
	GtkXText *xtext;

	xtext = g_object_new (gtk_xtext_get_type (), NULL);
	xtext->separator = separator;
	xtext->wordwrap = TRUE;
	xtext->buffer = gtk_xtext_buffer_new (xtext);
	xtext->orig_buffer = xtext->buffer;

	gtk_widget_set_double_buffered (GTK_WIDGET (xtext), FALSE);
	gtk_xtext_set_palette (xtext, palette);

	return GTK_WIDGET (xtext);
}

static void
gtk_xtext_destroy (GtkObject * object)
{
	GtkXText *xtext = GTK_XTEXT (object);

	if (xtext->add_io_tag)
	{
		g_source_remove (xtext->add_io_tag);
		xtext->add_io_tag = 0;
	}

	if (xtext->scroll_tag)
	{
		g_source_remove (xtext->scroll_tag);
		xtext->scroll_tag = 0;
	}

	if (xtext->io_tag)
	{
		g_source_remove (xtext->io_tag);
		xtext->io_tag = 0;
	}

	if (xtext->pixmap)
	{
#if defined(USE_XLIB) || defined(WIN32)
		if (xtext->transparent)
			gtk_xtext_free_trans (xtext);
		else
#endif
			g_object_unref (xtext->pixmap);
		xtext->pixmap = NULL;
	}

	if (xtext->font)
	{
		backend_font_close (xtext);
		xtext->font = NULL;
	}

	if (xtext->adj)
	{
		g_signal_handlers_disconnect_matched (G_OBJECT (xtext->adj),
					G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, xtext);
	/*	gtk_signal_disconnect_by_data (GTK_OBJECT (xtext->adj), xtext);*/
		g_object_unref (G_OBJECT (xtext->adj));
		xtext->adj = NULL;
	}

	if (xtext->bgc)
	{
		g_object_unref (xtext->bgc);
		xtext->bgc = NULL;
	}

	if (xtext->fgc)
	{
		g_object_unref (xtext->fgc);
		xtext->fgc = NULL;
	}

	if (xtext->light_gc)
	{
		g_object_unref (xtext->light_gc);
		xtext->light_gc = NULL;
	}

	if (xtext->dark_gc)
	{
		g_object_unref (xtext->dark_gc);
		xtext->dark_gc = NULL;
	}

	if (xtext->thin_gc)
	{
		g_object_unref (xtext->thin_gc);
		xtext->thin_gc = NULL;
	}

	if (xtext->marker_gc)
	{
		g_object_unref (xtext->marker_gc);
		xtext->marker_gc = NULL;
	}

	if (xtext->hand_cursor)
	{
		gdk_cursor_unref (xtext->hand_cursor);
		xtext->hand_cursor = NULL;
	}

	if (xtext->resize_cursor)
	{
		gdk_cursor_unref (xtext->resize_cursor);
		xtext->resize_cursor = NULL;
	}

	if (xtext->orig_buffer)
	{
		gtk_xtext_buffer_free (xtext->orig_buffer);
		xtext->orig_buffer = NULL;
	}

	if (GTK_OBJECT_CLASS (parent_class)->destroy)
		(*GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}

static void
gtk_xtext_unrealize (GtkWidget * widget)
{
	backend_deinit (GTK_XTEXT (widget));

	/* if there are still events in the queue, this'll avoid segfault */
	gdk_window_set_user_data (widget->window, NULL);

	if (parent_class->unrealize)
		(* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
}

static void
gtk_xtext_realize (GtkWidget * widget)
{
	GtkXText *xtext;
	GdkWindowAttr attributes;
	GdkGCValues val;
	GdkColor col;
	GdkColormap *cmap;

	GTK_WIDGET_SET_FLAGS (widget, GTK_REALIZED);
	xtext = GTK_XTEXT (widget);

	attributes.x = widget->allocation.x;
	attributes.y = widget->allocation.y;
	attributes.width = widget->allocation.width;
	attributes.height = widget->allocation.height;
	attributes.wclass = GDK_INPUT_OUTPUT;
	attributes.window_type = GDK_WINDOW_CHILD;
	attributes.event_mask = gtk_widget_get_events (widget) |
		GDK_EXPOSURE_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK
#ifdef MOTION_MONITOR
		| GDK_POINTER_MOTION_MASK | GDK_LEAVE_NOTIFY_MASK;
#else
		| GDK_POINTER_MOTION_MASK;
#endif

	cmap = gtk_widget_get_colormap (widget);
	attributes.colormap = cmap;
	attributes.visual = gtk_widget_get_visual (widget);

	widget->window = gdk_window_new (widget->parent->window, &attributes,
												GDK_WA_X | GDK_WA_Y | GDK_WA_VISUAL |
												GDK_WA_COLORMAP);

	gdk_window_set_user_data (widget->window, widget);

#if GTK_CHECK_VERSION(2,24,0)
	xtext->depth = gdk_window_get_visual (widget->window)->depth;
#else
	xtext->depth = gdk_drawable_get_visual (widget->window)->depth;
#endif

	val.subwindow_mode = GDK_INCLUDE_INFERIORS;
	val.graphics_exposures = 0;

	xtext->bgc = gdk_gc_new_with_values (widget->window, &val,
													 GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
	xtext->fgc = gdk_gc_new_with_values (widget->window, &val,
													 GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
	xtext->light_gc = gdk_gc_new_with_values (widget->window, &val,
											GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
	xtext->dark_gc = gdk_gc_new_with_values (widget->window, &val,
											GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
	xtext->thin_gc = gdk_gc_new_with_values (widget->window, &val,
											GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
	xtext->marker_gc = gdk_gc_new_with_values (widget->window, &val,
											GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);

	/* for the separator bar (light) */
	col.red = 0xffff; col.green = 0xffff; col.blue = 0xffff;
	gdk_colormap_alloc_color (cmap, &col, FALSE, TRUE);
	gdk_gc_set_foreground (xtext->light_gc, &col);

	/* for the separator bar (dark) */
	col.red = 0x1111; col.green = 0x1111; col.blue = 0x1111;
	gdk_colormap_alloc_color (cmap, &col, FALSE, TRUE);
	gdk_gc_set_foreground (xtext->dark_gc, &col);

	/* for the separator bar (thinline) */
	col.red = 0x8e38; col.green = 0x8e38; col.blue = 0x9f38;
	gdk_colormap_alloc_color (cmap, &col, FALSE, TRUE);
	gdk_gc_set_foreground (xtext->thin_gc, &col);

	/* for the marker bar (marker) */
	col.pixel = xtext->palette[XTEXT_MARKER];
	gdk_gc_set_foreground (xtext->marker_gc, &col);

	xtext_set_fg (xtext, xtext->fgc, XTEXT_FG);
	xtext_set_bg (xtext, xtext->fgc, XTEXT_BG);
	xtext_set_fg (xtext, xtext->bgc, XTEXT_BG);

	/* draw directly to window */
	xtext->draw_buf = widget->window;

#if defined(USE_XLIB) || defined(WIN32)
	if (xtext->transparent)
	{
		gtk_xtext_load_trans (xtext);
	} else
#endif
	if (xtext->pixmap)
	{
		gdk_gc_set_tile (xtext->bgc, xtext->pixmap);
		gdk_gc_set_ts_origin (xtext->bgc, 0, 0);
		xtext->ts_x = xtext->ts_y = 0;
		gdk_gc_set_fill (xtext->bgc, GDK_TILED);
	}

#if (GTK_MAJOR_VERSION == 2) && (GTK_MINOR_VERSION == 0)
	xtext->hand_cursor = gdk_cursor_new (GDK_HAND1);
	xtext->resize_cursor = gdk_cursor_new (GDK_LEFT_SIDE);
#else
	xtext->hand_cursor = gdk_cursor_new_for_display (gdk_drawable_get_display (widget->window), GDK_HAND1);
	xtext->resize_cursor = gdk_cursor_new_for_display (gdk_drawable_get_display (widget->window), GDK_LEFT_SIDE);
#endif

	gdk_window_set_back_pixmap (widget->window, NULL, FALSE);
	widget->style = gtk_style_attach (widget->style, widget->window);

	backend_init (xtext);
}

static void
gtk_xtext_size_request (GtkWidget * widget, GtkRequisition * requisition)
{
	requisition->width = 200;
	requisition->height = 90;
}

static void
gtk_xtext_size_allocate (GtkWidget * widget, GtkAllocation * allocation)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	int height_only = FALSE;
	int do_trans = TRUE;

	if (allocation->width == xtext->buffer->window_width)
		height_only = TRUE;

	if (allocation->x == widget->allocation.x &&
		 allocation->y == widget->allocation.y && xtext->avoid_trans)
		do_trans = FALSE;

	xtext->avoid_trans = FALSE;

	allocation->height = allocation->height / xtext->fontsize * xtext->fontsize;
	widget->allocation = *allocation;
	if (GTK_WIDGET_REALIZED (widget))
	{
		xtext->buffer->window_width = allocation->width;
		xtext->buffer->window_height = allocation->height;

		gdk_window_move_resize (widget->window, allocation->x, allocation->y,
										allocation->width, allocation->height);
		dontscroll (xtext->buffer);	/* force scrolling off */
		if (!height_only)
			gtk_xtext_calc_lines (xtext->buffer, FALSE);
		else
		{
			xtext->buffer->pagetop_ent = NULL;
			gtk_xtext_adjustment_set (xtext->buffer, FALSE);
		}
#if defined(USE_XLIB) || defined(WIN32)
		if (do_trans && xtext->transparent && xtext->shaded)
		{
			gtk_xtext_free_trans (xtext);
			gtk_xtext_load_trans (xtext);
		}
#endif
		if (xtext->buffer->scrollbar_down)
			gtk_adjustment_set_value (xtext->adj, xtext->adj->upper -
											  xtext->adj->page_size);
	}
}

static int
gtk_xtext_selection_clear (xtext_buffer *buf)
{
	textentry *ent;
	int ret = 0;

	ent = buf->last_ent_start;
	while (ent)
	{
		if (ent->mark_start != -1)
			ret = 1;
		ent->mark_start = -1;
		ent->mark_end = -1;
		if (ent == buf->last_ent_end)
			break;
		ent = ent->next;
	}

	return ret;
}

static int
find_x (GtkXText *xtext, textentry *ent, unsigned char *text, int x, int indent)
{
	int xx = indent;
	int i = 0;
	int rcol = 0, bgcol = 0;
	int hidden = FALSE;
	unsigned char *orig = text;
	int mbl;
	int char_width;

	while (*text)
	{
		mbl = 1;
		if (rcol > 0 && (isdigit (*text) || (*text == ',' && isdigit (text[1]) && !bgcol)))
		{
			if (text[1] != ',') rcol--;
			if (*text == ',')
			{
				rcol = 2;
				bgcol = 1;
			}
			text++;
		} else
		{
			rcol = bgcol = 0;
			switch (*text)
			{
			case ATTR_COLOR:
				rcol = 2;
			case ATTR_BEEP:
			case ATTR_RESET:
			case ATTR_REVERSE:
			case ATTR_BOLD:
			case ATTR_UNDERLINE:
			case ATTR_ITALICS:
				text++;
				break;
			case ATTR_HIDDEN:
				if (xtext->ignore_hidden)
					goto def;
				hidden = !hidden;
				text++;
				break;
			default:
			def:
				char_width = backend_get_char_width (xtext, text, &mbl);
				if (!hidden) xx += char_width;
				text += mbl;
				if (xx >= x)
					return i + (orig - ent->str);
			}
		}

		i += mbl;
		if (text - orig >= ent->str_len)
			return ent->str_len;
	}

	return ent->str_len;
}

static int
gtk_xtext_find_x (GtkXText * xtext, int x, textentry * ent, int subline,
						int line, int *out_of_bounds)
{
	int indent;
	unsigned char *str;

	if (subline < 1)
		indent = ent->indent;
	else
		indent = xtext->buffer->indent;

	if (line > xtext->adj->page_size || line < 0)
		return 0;

	if (xtext->buffer->grid_dirty || line > 255)
	{
		str = ent->str + gtk_xtext_find_subline (xtext, ent, subline);
		if (str >= ent->str + ent->str_len)
			return 0;
	} else
	{
		if (xtext->buffer->grid_offset[line] > ent->str_len)
			return 0;
		str = ent->str + xtext->buffer->grid_offset[line];
	}

	if (x < indent)
	{
		*out_of_bounds = 1;
		return (str - ent->str);
	}

	*out_of_bounds = 0;

	return find_x (xtext, ent, str, x, indent);
}

static textentry *
gtk_xtext_find_char (GtkXText * xtext, int x, int y, int *off,
							int *out_of_bounds)
{
	textentry *ent;
	int line;
	int subline;

	line = (y + xtext->pixel_offset) / xtext->fontsize;
	ent = gtk_xtext_nth (xtext, line + (int)xtext->adj->value, &subline);
	if (!ent)
		return 0;

	if (off)
		*off = gtk_xtext_find_x (xtext, x, ent, subline, line, out_of_bounds);

	return ent;
}

static void
gtk_xtext_draw_sep (GtkXText * xtext, int y)
{
	int x, height;
	GdkGC *light, *dark;

	if (y == -1)
	{
		y = 0;
		height = GTK_WIDGET (xtext)->allocation.height;
	} else
	{
		height = xtext->fontsize;
	}

	/* draw the separator line */
	if (xtext->separator && xtext->buffer->indent)
	{
		light = xtext->light_gc;
		dark = xtext->dark_gc;

		x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
		if (x < 1)
			return;

		if (xtext->thinline)
		{
			if (xtext->moving_separator)
				gdk_draw_line (xtext->draw_buf, light, x, y, x, y + height);
			else
				gdk_draw_line (xtext->draw_buf, xtext->thin_gc, x, y, x, y + height);
		} else
		{
			if (xtext->moving_separator)
			{
				gdk_draw_line (xtext->draw_buf, light, x - 1, y, x - 1, y + height);
				gdk_draw_line (xtext->draw_buf, dark, x, y, x, y + height);
			} else
			{
				gdk_draw_line (xtext->draw_buf, dark, x - 1, y, x - 1, y + height);
				gdk_draw_line (xtext->draw_buf, light, x, y, x, y + height);
			}
		}
	}
}

static void
gtk_xtext_draw_marker (GtkXText * xtext, textentry * ent, int y)
{
	int x, width, render_y;

	if (!xtext->marker) return;

	if (xtext->buffer->marker_pos == ent)
	{
		render_y = y + xtext->font->descent;
	}
	else if (xtext->buffer->marker_pos == ent->next && ent->next != NULL)
	{
		render_y = y + xtext->font->descent + xtext->fontsize * ent->lines_taken;
	}
	else return;

	x = 0;
	width = GTK_WIDGET (xtext)->allocation.width;

	gdk_draw_line (xtext->draw_buf, xtext->marker_gc, x, render_y, x + width, render_y);

#if GTK_CHECK_VERSION(2,4,0)
	if (gtk_window_has_toplevel_focus (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (xtext)))))
#else
	if (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (xtext)))->has_focus)
#endif
	{
		xtext->buffer->marker_seen = TRUE;
	}
}

#ifdef USE_SHM
static int
have_shm_pixmaps(Display *dpy)
{
	int major, minor;
	static int checked = 0;
	static int have = FALSE;

	if (!checked)
	{
		XShmQueryVersion (dpy, &major, &minor, &have);
		checked = 1;
	}

	return have;
}
#endif

static void
gtk_xtext_paint (GtkWidget *widget, GdkRectangle *area)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	textentry *ent_start, *ent_end;
	int x, y;

#if defined(USE_XLIB) || defined(WIN32)
	if (xtext->transparent)
	{
		gdk_window_get_origin (widget->window, &x, &y);
		/* update transparency only if it moved */
		if (xtext->last_win_x != x || xtext->last_win_y != y)
		{
			xtext->last_win_x = x;
			xtext->last_win_y = y;
#ifndef WIN32
#ifdef USE_SHM
			if (xtext->shaded && !have_shm_pixmaps(GDK_WINDOW_XDISPLAY (xtext->draw_buf)))
#else
			if (xtext->shaded)
#endif
			{
				xtext->recycle = TRUE;
				gtk_xtext_load_trans (xtext);
				xtext->recycle = FALSE;
			} else
#endif
			{
				gtk_xtext_free_trans (xtext);
				gtk_xtext_load_trans (xtext);
			}
		}
	}
#endif

	if (area->x == 0 && area->y == 0 &&
		 area->height == widget->allocation.height &&
		 area->width == widget->allocation.width)
	{
		dontscroll (xtext->buffer);	/* force scrolling off */
		gtk_xtext_render_page (xtext);
		return;
	}

	ent_start = gtk_xtext_find_char (xtext, area->x, area->y, NULL, NULL);
	if (!ent_start)
	{
		xtext_draw_bg (xtext, area->x, area->y, area->width, area->height);
		goto xit;
	}
	ent_end = gtk_xtext_find_char (xtext, area->x + area->width,
											 area->y + area->height, NULL, NULL);
	if (!ent_end)
		ent_end = xtext->buffer->text_last;

	/* can't set a clip here, because fgc/bgc are used to draw the DB too */
/*	backend_set_clip (xtext, area);*/
	xtext->clip_x = area->x;
	xtext->clip_x2 = area->x + area->width;
	xtext->clip_y = area->y;
	xtext->clip_y2 = area->y + area->height;

	/* y is the last pixel y location it rendered text at */
	y = gtk_xtext_render_ents (xtext, ent_start, ent_end);

	if (y && y < widget->allocation.height && !ent_end->next)
	{
		GdkRectangle rect;

		rect.x = 0;
		rect.y = y;
		rect.width = widget->allocation.width;
		rect.height = widget->allocation.height - y;

		/* fill any space below the last line that also intersects with
			the exposure rectangle */
		if (gdk_rectangle_intersect (area, &rect, &rect))
		{
			xtext_draw_bg (xtext, rect.x, rect.y, rect.width, rect.height);
		}
	}

	/*backend_clear_clip (xtext);*/
	xtext->clip_x = 0;
	xtext->clip_x2 = 1000000;
	xtext->clip_y = 0;
	xtext->clip_y2 = 1000000;

xit:
	x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
	if (area->x <= x)
		gtk_xtext_draw_sep (xtext, -1);
}

static gboolean
gtk_xtext_expose (GtkWidget * widget, GdkEventExpose * event)
{
	gtk_xtext_paint (widget, &event->area);
	return FALSE;
}

/* render a selection that has extended or contracted upward */

static void
gtk_xtext_selection_up (GtkXText *xtext, textentry *start, textentry *end,
								int start_offset)
{
	/* render all the complete lines */
	if (start->next == end)
		gtk_xtext_render_ents (xtext, end, NULL);
	else
		gtk_xtext_render_ents (xtext, start->next, end);

	/* now the incomplete upper line */
	if (start == xtext->buffer->last_ent_start)
		xtext->jump_in_offset = xtext->buffer->last_offset_start;
	else
		xtext->jump_in_offset = start_offset;
	gtk_xtext_render_ents (xtext, start, NULL);
	xtext->jump_in_offset = 0;
}

/* render a selection that has extended or contracted downward */

static void
gtk_xtext_selection_down (GtkXText *xtext, textentry *start, textentry *end,
								  int end_offset)
{
	/* render all the complete lines */
	if (end->prev == start)
		gtk_xtext_render_ents (xtext, start, NULL);
	else
		gtk_xtext_render_ents (xtext, start, end->prev);

	/* now the incomplete bottom line */
	if (end == xtext->buffer->last_ent_end)
		xtext->jump_out_offset = xtext->buffer->last_offset_end;
	else
		xtext->jump_out_offset = end_offset;
	gtk_xtext_render_ents (xtext, end, NULL);
	xtext->jump_out_offset = 0;
}

static void
gtk_xtext_selection_render (GtkXText *xtext,
									 textentry *start_ent, int start_offset,
									 textentry *end_ent, int end_offset)
{
	textentry *ent;
	int start, end;

	xtext->skip_border_fills = TRUE;
	xtext->skip_stamp = TRUE;

	/* force an optimized render if there was no previous selection */
	if (xtext->buffer->last_ent_start == NULL && start_ent == end_ent)
	{
		xtext->buffer->last_offset_start = start_offset;
		xtext->buffer->last_offset_end = end_offset;
		goto lamejump;
	}

	/* mark changed within 1 ent only? */
	if (xtext->buffer->last_ent_start == start_ent &&
		 xtext->buffer->last_ent_end == end_ent)
	{
		/* when only 1 end of the selection is changed, we can really
			save on rendering */
		if (xtext->buffer->last_offset_start == start_offset ||
			 xtext->buffer->last_offset_end == end_offset)
		{
lamejump:
			ent = end_ent;
			/* figure out where to start and end the rendering */
			if (end_offset > xtext->buffer->last_offset_end)
			{
				end = end_offset;
				start = xtext->buffer->last_offset_end;
			} else if (end_offset < xtext->buffer->last_offset_end)
			{
				end = xtext->buffer->last_offset_end;
				start = end_offset;
			} else if (start_offset < xtext->buffer->last_offset_start)
			{
				end = xtext->buffer->last_offset_start;
				start = start_offset;
				ent = start_ent;
			} else if (start_offset > xtext->buffer->last_offset_start)
			{
				end = start_offset;
				start = xtext->buffer->last_offset_start;
				ent = start_ent;
			} else
			{	/* WORD selects end up here */
				end = end_offset;
				start = start_offset;
			}
		} else
		{
			/* LINE selects end up here */
			/* so which ent actually changed? */
			ent = start_ent;
			if (xtext->buffer->last_offset_start == start_offset)
				ent = end_ent;

			end = MAX (xtext->buffer->last_offset_end, end_offset);
			start = MIN (xtext->buffer->last_offset_start, start_offset);
		}

		xtext->jump_out_offset = end;
		xtext->jump_in_offset = start;
		gtk_xtext_render_ents (xtext, ent, NULL);
		xtext->jump_out_offset = 0;
		xtext->jump_in_offset = 0;
	}
	/* marking downward? */
	else if (xtext->buffer->last_ent_start == start_ent &&
				xtext->buffer->last_offset_start == start_offset)
	{
		/* find the range that covers both old and new selection */
		ent = start_ent;
		while (ent)
		{
			if (ent == xtext->buffer->last_ent_end)
			{
				gtk_xtext_selection_down (xtext, ent, end_ent, end_offset);
				/*gtk_xtext_render_ents (xtext, ent, end_ent);*/
				break;
			}
			if (ent == end_ent)
			{
				gtk_xtext_selection_down (xtext, ent, xtext->buffer->last_ent_end, end_offset);
				/*gtk_xtext_render_ents (xtext, ent, xtext->buffer->last_ent_end);*/
				break;
			}
			ent = ent->next;
		}
	}
	/* marking upward? */
	else if (xtext->buffer->last_ent_end == end_ent &&
				xtext->buffer->last_offset_end == end_offset)
	{
		ent = end_ent;
		while (ent)
		{
			if (ent == start_ent)
			{
				gtk_xtext_selection_up (xtext, xtext->buffer->last_ent_start, ent, start_offset);
				/*gtk_xtext_render_ents (xtext, xtext->buffer->last_ent_start, ent);*/
				break;
			}
			if (ent == xtext->buffer->last_ent_start)
			{
				gtk_xtext_selection_up (xtext, start_ent, ent, start_offset);
				/*gtk_xtext_render_ents (xtext, start_ent, ent);*/
				break;
			}
			ent = ent->prev;
		}
	}
	else	/* cross-over mark (stretched or shrunk at both ends) */
	{
		/* unrender the old mark */
		gtk_xtext_render_ents (xtext, xtext->buffer->last_ent_start, xtext->buffer->last_ent_end);
		/* now render the new mark, but skip overlaps */
		if (start_ent == xtext->buffer->last_ent_start)
		{
			/* if the new mark is a sub-set of the old, do nothing */
			if (start_ent != end_ent)
				gtk_xtext_render_ents (xtext, start_ent->next, end_ent);
		} else if (end_ent == xtext->buffer->last_ent_end)
		{
			/* if the new mark is a sub-set of the old, do nothing */
			if (start_ent != end_ent)
				gtk_xtext_render_ents (xtext, start_ent, end_ent->prev);
		} else
			gtk_xtext_render_ents (xtext, start_ent, end_ent);
	}

	xtext->buffer->last_ent_start = start_ent;
	xtext->buffer->last_ent_end = end_ent;
	xtext->buffer->last_offset_start = start_offset;
	xtext->buffer->last_offset_end = end_offset;

	xtext->skip_border_fills = FALSE;
	xtext->skip_stamp = FALSE;
}

static void
gtk_xtext_selection_draw (GtkXText * xtext, GdkEventMotion * event, gboolean render)
{
	textentry *ent;
	textentry *ent_end;
	textentry *ent_start;
	int offset_start;
	int offset_end;
	int low_x;
	int low_y;
	int high_x;
	int high_y;
	int tmp;

	if (xtext->select_start_y > xtext->select_end_y)
	{
		low_x = xtext->select_end_x;
		low_y = xtext->select_end_y;
		high_x = xtext->select_start_x;
		high_y = xtext->select_start_y;
	} else
	{
		low_x = xtext->select_start_x;
		low_y = xtext->select_start_y;
		high_x = xtext->select_end_x;
		high_y = xtext->select_end_y;
	}

	ent_start = gtk_xtext_find_char (xtext, low_x, low_y, &offset_start, &tmp);
	if (!ent_start)
	{
		if (xtext->adj->value != xtext->buffer->old_value)
			gtk_xtext_render_page (xtext);
		return;
	}

	ent_end = gtk_xtext_find_char (xtext, high_x, high_y, &offset_end, &tmp);
	if (!ent_end)
	{
		ent_end = xtext->buffer->text_last;
		if (!ent_end)
		{
			if (xtext->adj->value != xtext->buffer->old_value)
				gtk_xtext_render_page (xtext);
			return;
		}
		offset_end = ent_end->str_len;
	}

	/* marking less than a complete line? */
	/* make sure "start" is smaller than "end" (swap them if need be) */
	if (ent_start == ent_end && offset_start > offset_end)
	{
		tmp = offset_start;
		offset_start = offset_end;
		offset_end = tmp;
	}

	/* set all the old mark_ fields to -1 */
	gtk_xtext_selection_clear (xtext->buffer);

	ent_start->mark_start = offset_start;
	ent_start->mark_end = offset_end;

	if (ent_start != ent_end)
	{
		ent_start->mark_end = ent_start->str_len;
		if (offset_end != 0)
		{
			ent_end->mark_start = 0;
			ent_end->mark_end = offset_end;
		}

		/* set all the mark_ fields of the ents within the selection */
		ent = ent_start->next;
		while (ent && ent != ent_end)
		{
			ent->mark_start = 0;
			ent->mark_end = ent->str_len;
			ent = ent->next;
		}
	}

	if (render)
		gtk_xtext_selection_render (xtext, ent_start, offset_start, ent_end, offset_end);
}

static int
gtk_xtext_timeout_ms (GtkXText *xtext, int pixes)
{
	int apixes = abs(pixes);

	if (apixes < 6) return 100;
	if (apixes < 12) return 50;
	if (apixes < 20) return 20;
	return 10;
}

static gint
gtk_xtext_scrolldown_timeout (GtkXText * xtext)
{
	int p_y, win_height;
	xtext_buffer *buf = xtext->buffer;
	GtkAdjustment *adj = xtext->adj;
	textentry *ent;

	gdk_window_get_pointer (GTK_WIDGET (xtext)->window, 0, &p_y, 0);
	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, 0, &win_height);

	if (p_y > win_height &&
		 xtext->adj->value < (xtext->adj->upper - xtext->adj->page_size))
	{
		xtext->adj->value += buf->pagetop_ent->lines_taken;
		ent = buf->last_ent_end->next;
		if (ent)
		{
			gtk_adjustment_value_changed (xtext->adj);
		}
		else
		{
			buf->scrollbar_down = TRUE;
		}
		xtext->scroll_tag = g_timeout_add (gtk_xtext_timeout_ms (xtext, p_y - win_height),
														(GSourceFunc)
														gtk_xtext_scrolldown_timeout,
														xtext);
		xtext->select_start_y -= (adj->value - xtext->select_start_adj) * xtext->fontsize;
		xtext->select_start_adj = adj->value;
		gtk_xtext_selection_draw (xtext, NULL, TRUE);
		gtk_xtext_render_ents (xtext, ent, buf->last_ent_end);
	}
	else
	{
		xtext->scroll_tag = 0;
	}

	return 0;
}

static gint
gtk_xtext_scrollup_timeout (GtkXText * xtext)
{
	int p_y;
	xtext_buffer *buf = xtext->buffer;
	GtkAdjustment *adj = xtext->adj;
	textentry *ent;

	gdk_window_get_pointer (GTK_WIDGET (xtext)->window, 0, &p_y, 0);

	if (p_y < 0 && adj->value >= 0)
	{
		buf->scrollbar_down = FALSE;
		ent = buf->last_ent_start->prev;
		if (ent)
		{
			adj->value -= ent->lines_taken;
			gtk_adjustment_value_changed (adj);
		}
		xtext->select_start_y -= (adj->value - xtext->select_start_adj) * xtext->fontsize;
		xtext->select_start_adj = adj->value;
		gtk_xtext_selection_draw (xtext, NULL, TRUE);
		gtk_xtext_render_ents (xtext, ent, buf->last_ent_end);
		xtext->scroll_tag = g_timeout_add (gtk_xtext_timeout_ms (xtext, p_y),
														(GSourceFunc)
														gtk_xtext_scrollup_timeout,
														xtext);
	}
	else
	{
		xtext->scroll_tag = 0;
	}

	return 0;
}

static void
gtk_xtext_selection_update (GtkXText * xtext, GdkEventMotion * event, int p_y, gboolean render)
{
	int win_height;
	int moved;

	if (xtext->scroll_tag)
	{
		return;
	}

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, 0, &win_height);

	/* selecting past top of window, scroll up! */
	if (p_y < 0 && xtext->adj->value >= 0)
	{
		gtk_xtext_scrollup_timeout (xtext);
	}

	/* selecting past bottom of window, scroll down! */
	else if (p_y > win_height &&
		 xtext->adj->value < (xtext->adj->upper - xtext->adj->page_size))
	{
		gtk_xtext_scrolldown_timeout (xtext);
	}
	else
	{
		moved = (int)xtext->adj->value - xtext->select_start_adj;
		xtext->select_start_y -= (moved * xtext->fontsize);
		xtext->select_start_adj = xtext->adj->value;
		gtk_xtext_selection_draw (xtext, event, render);
	}
}

static char *
gtk_xtext_get_word (GtkXText * xtext, int x, int y, textentry ** ret_ent,
						  int *ret_off, int *ret_len)
{
	textentry *ent;
	int offset;
	unsigned char *str;
	unsigned char *word;
	int len;
	int out_of_bounds = 0;

	ent = gtk_xtext_find_char (xtext, x, y, &offset, &out_of_bounds);
	if (!ent)
		return 0;

	if (out_of_bounds)
		return 0;

	if (offset == ent->str_len)
		return 0;

	if (offset < 1)
		return 0;

	/*offset--;*/	/* FIXME: not all chars are 1 byte */

	str = ent->str + offset;

	while (!is_del (*str) && str != ent->str)
		str--;
	word = str + 1;

	len = 0;
	str = word;
	while (!is_del (*str) && len != ent->str_len)
	{
		str++;
		len++;
	}

	if (len > 0 && word[len-1]=='.')
	{
		len--;
		str--;
	}

	if (ret_ent)
		*ret_ent = ent;
	if (ret_off)
		*ret_off = word - ent->str;
	if (ret_len)
		*ret_len = str - word;

	return gtk_xtext_strip_color (word, len, xtext->scratch_buffer, NULL, NULL, NULL, FALSE);
}

#ifdef MOTION_MONITOR

static void
gtk_xtext_unrender_hilight (GtkXText *xtext)
{
	xtext->render_hilights_only = TRUE;
	xtext->skip_border_fills = TRUE;
	xtext->skip_stamp = TRUE;
	xtext->un_hilight = TRUE;

	gtk_xtext_render_ents (xtext, xtext->hilight_ent, NULL);

	xtext->render_hilights_only = FALSE;
	xtext->skip_border_fills = FALSE;
	xtext->skip_stamp = FALSE;
	xtext->un_hilight = FALSE;
}

static gboolean
gtk_xtext_leave_notify (GtkWidget * widget, GdkEventCrossing * event)
{
	GtkXText *xtext = GTK_XTEXT (widget);

	if (xtext->cursor_hand)
	{
		gtk_xtext_unrender_hilight (xtext);
		xtext->hilight_start = -1;
		xtext->hilight_end = -1;
		xtext->cursor_hand = FALSE;
		gdk_window_set_cursor (widget->window, 0);
		xtext->hilight_ent = NULL;
	}

	if (xtext->cursor_resize)
	{
		gtk_xtext_unrender_hilight (xtext);
		xtext->hilight_start = -1;
		xtext->hilight_end = -1;
		xtext->cursor_resize = FALSE;
		gdk_window_set_cursor (widget->window, 0);
		xtext->hilight_ent = NULL;
	}

	return FALSE;
}

#endif

/* check if we should mark time stamps, and if a redraw is needed */

static gboolean
gtk_xtext_check_mark_stamp (GtkXText *xtext, GdkModifierType mask)
{
	gboolean redraw = FALSE;

	if (mask & GDK_SHIFT_MASK || prefs.autocopy_stamp)
	{
		if (!xtext->mark_stamp)
		{
			redraw = TRUE;	/* must redraw all */
			xtext->mark_stamp = TRUE;
		}
	} else
	{
		if (xtext->mark_stamp)
		{
			redraw = TRUE;	/* must redraw all */
			xtext->mark_stamp = FALSE;
		}
	}
	return redraw;
}

static gboolean
gtk_xtext_motion_notify (GtkWidget * widget, GdkEventMotion * event)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	GdkModifierType mask;
	int redraw, tmp, x, y, offset, len, line_x;
	unsigned char *word;
	textentry *word_ent;

	gdk_window_get_pointer (widget->window, &x, &y, &mask);

	if (xtext->moving_separator)
	{
		if (x < (3 * widget->allocation.width) / 5 && x > 15)
		{
			tmp = xtext->buffer->indent;
			xtext->buffer->indent = x;
			gtk_xtext_fix_indent (xtext->buffer);
			if (tmp != xtext->buffer->indent)
			{
				gtk_xtext_recalc_widths (xtext->buffer, FALSE);
				if (xtext->buffer->scrollbar_down)
					gtk_adjustment_set_value (xtext->adj, xtext->adj->upper -
													  xtext->adj->page_size);
				if (!xtext->io_tag)
					xtext->io_tag = g_timeout_add (REFRESH_TIMEOUT,
																(GSourceFunc)
																gtk_xtext_adjustment_timeout,
																xtext);
			}
		}
		return FALSE;
	}

	if (xtext->button_down)
	{
		redraw = gtk_xtext_check_mark_stamp (xtext, mask);
		gtk_grab_add (widget);
		/*gdk_pointer_grab (widget->window, TRUE,
									GDK_BUTTON_RELEASE_MASK |
									GDK_BUTTON_MOTION_MASK, NULL, NULL, 0);*/
		xtext->select_end_x = x;
		xtext->select_end_y = y;
		gtk_xtext_selection_update (xtext, event, y, !redraw);
		xtext->hilighting = TRUE;

		/* user has pressed or released SHIFT, must redraw entire selection */
		if (redraw)
		{
			xtext->force_stamp = TRUE;
			gtk_xtext_render_ents (xtext, xtext->buffer->last_ent_start,
										  xtext->buffer->last_ent_end);
			xtext->force_stamp = FALSE;
		}
		return FALSE;
	}
#ifdef MOTION_MONITOR

	if (xtext->separator && xtext->buffer->indent)
	{
		line_x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
		if (line_x == x || line_x == x + 1 || line_x == x - 1)
		{
			if (!xtext->cursor_resize)
			{
				gdk_window_set_cursor (GTK_WIDGET (xtext)->window,
										  		xtext->resize_cursor);
				xtext->cursor_resize = TRUE;
			}
			return FALSE;
		}
	}

	if (xtext->urlcheck_function == NULL)
		return FALSE;

	word = gtk_xtext_get_word (xtext, x, y, &word_ent, &offset, &len);
	if (word)
	{
		if (xtext->urlcheck_function (GTK_WIDGET (xtext), word, len) > 0)
		{
			if (!xtext->cursor_hand ||
				 xtext->hilight_ent != word_ent ||
				 xtext->hilight_start != offset ||
				 xtext->hilight_end != offset + len)
			{
				if (!xtext->cursor_hand)
				{
					gdk_window_set_cursor (GTK_WIDGET (xtext)->window,
											  		xtext->hand_cursor);
					xtext->cursor_hand = TRUE;
				}

				/* un-render the old hilight */
				if (xtext->hilight_ent)
					gtk_xtext_unrender_hilight (xtext);

				xtext->hilight_ent = word_ent;
				xtext->hilight_start = offset;
				xtext->hilight_end = offset + len;

				xtext->skip_border_fills = TRUE;
				xtext->render_hilights_only = TRUE;
				xtext->skip_stamp = TRUE;

				gtk_xtext_render_ents (xtext, word_ent, NULL);

				xtext->skip_border_fills = FALSE;
				xtext->render_hilights_only = FALSE;
				xtext->skip_stamp = FALSE;
			}
			return FALSE;
		}
	}

	gtk_xtext_leave_notify (widget, NULL);

#endif

	return FALSE;
}

static void
gtk_xtext_set_clip_owner (GtkWidget * xtext, GdkEventButton * event)
{
	char *str;
	int len;

	if (GTK_XTEXT (xtext)->selection_buffer &&
		GTK_XTEXT (xtext)->selection_buffer != GTK_XTEXT (xtext)->buffer)
		gtk_xtext_selection_clear (GTK_XTEXT (xtext)->selection_buffer);

	GTK_XTEXT (xtext)->selection_buffer = GTK_XTEXT (xtext)->buffer;

	str = gtk_xtext_selection_get_text (GTK_XTEXT (xtext), &len);
	if (str)
	{
#if (GTK_MAJOR_VERSION == 2) && (GTK_MINOR_VERSION == 0)
		gtk_clipboard_set_text (gtk_clipboard_get (GDK_SELECTION_CLIPBOARD),
										str, len);
#else
		gtk_clipboard_set_text (gtk_widget_get_clipboard (xtext, GDK_SELECTION_CLIPBOARD),
										str, len);
#endif
		free (str);
	}

	if (event)
	{
		gtk_selection_owner_set (xtext, GDK_SELECTION_PRIMARY, event->time);
	}
}

void
gtk_xtext_copy_selection (GtkXText *xtext)
{
	gtk_xtext_set_clip_owner (xtext, NULL);
}

static void
gtk_xtext_unselect (GtkXText *xtext)
{
	xtext_buffer *buf = xtext->buffer;

	xtext->skip_border_fills = TRUE;
	xtext->skip_stamp = TRUE;

	xtext->jump_in_offset = buf->last_ent_start->mark_start;
	/* just a single ent was marked? */
	if (buf->last_ent_start == buf->last_ent_end)
	{
		xtext->jump_out_offset = buf->last_ent_start->mark_end;
		buf->last_ent_end = NULL;
	}

	gtk_xtext_selection_clear (xtext->buffer);

	/* FIXME: use jump_out on multi-line selects too! */
	gtk_xtext_render_ents (xtext, buf->last_ent_start, buf->last_ent_end);

	xtext->jump_in_offset = 0;
	xtext->jump_out_offset = 0;

	xtext->skip_border_fills = FALSE;
	xtext->skip_stamp = FALSE;

	xtext->buffer->last_ent_start = NULL;
	xtext->buffer->last_ent_end = NULL;
}

static gboolean
gtk_xtext_button_release (GtkWidget * widget, GdkEventButton * event)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	unsigned char *word;
	int old;

	if (xtext->moving_separator)
	{
		xtext->moving_separator = FALSE;
		old = xtext->buffer->indent;
		if (event->x < (4 * widget->allocation.width) / 5 && event->x > 15)
			xtext->buffer->indent = event->x;
		gtk_xtext_fix_indent (xtext->buffer);
		if (xtext->buffer->indent != old)
		{
			gtk_xtext_recalc_widths (xtext->buffer, FALSE);
			gtk_xtext_adjustment_set (xtext->buffer, TRUE);
			gtk_xtext_render_page (xtext);
		} else
			gtk_xtext_draw_sep (xtext, -1);
		return FALSE;
	}

	if (xtext->word_or_line_select)
	{
		xtext->word_or_line_select = FALSE;
		xtext->button_down = FALSE;
		return FALSE;
	}

	if (event->button == 1)
	{
		xtext->button_down = FALSE;
		if (xtext->scroll_tag)
		{
			g_source_remove (xtext->scroll_tag);
			xtext->scroll_tag = 0;
		}

		gtk_grab_remove (widget);
		/*gdk_pointer_ungrab (0);*/

		/* got a new selection? */
		if (xtext->buffer->last_ent_start)
		{
			xtext->color_paste = FALSE;
			if (event->state & GDK_CONTROL_MASK || prefs.autocopy_color)
				xtext->color_paste = TRUE;
			if (prefs.autocopy_text)
			{
				gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), event);
			}
		}

		if (xtext->select_start_x == event->x &&
			 xtext->select_start_y == event->y &&
			 xtext->buffer->last_ent_start)
		{
			gtk_xtext_unselect (xtext);
			xtext->mark_stamp = FALSE;
			return FALSE;
		}

		if (!xtext->hilighting)
		{
			word = gtk_xtext_get_word (xtext, event->x, event->y, 0, 0, 0);
			g_signal_emit (G_OBJECT (xtext), xtext_signals[WORD_CLICK], 0, word ? word : NULL, event);
		} else
		{
			xtext->hilighting = FALSE;
		}
	}


	return FALSE;
}

static gboolean
gtk_xtext_button_press (GtkWidget * widget, GdkEventButton * event)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	GdkModifierType mask;
	textentry *ent;
	unsigned char *word;
	int line_x, x, y, offset, len;

	gdk_window_get_pointer (widget->window, &x, &y, &mask);

	if (event->button == 3 || event->button == 2) /* right/middle click */
	{
		word = gtk_xtext_get_word (xtext, x, y, 0, 0, 0);
		if (word)
		{
			g_signal_emit (G_OBJECT (xtext), xtext_signals[WORD_CLICK], 0,
								word, event);
		} else
			g_signal_emit (G_OBJECT (xtext), xtext_signals[WORD_CLICK], 0,
								"", event);
		return FALSE;
	}

	if (event->button != 1)		  /* we only want left button */
		return FALSE;

	if (event->type == GDK_2BUTTON_PRESS)	/* WORD select */
	{
		gtk_xtext_check_mark_stamp (xtext, mask);
		if (gtk_xtext_get_word (xtext, x, y, &ent, &offset, &len))
		{
			if (len == 0)
				return FALSE;
			gtk_xtext_selection_clear (xtext->buffer);
			ent->mark_start = offset;
			ent->mark_end = offset + len;
			gtk_xtext_selection_render (xtext, ent, offset, ent, offset + len);
			xtext->word_or_line_select = TRUE;
			if (prefs.autocopy_text)
			{
				gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), event);
			}
		}

		return FALSE;
	}

	if (event->type == GDK_3BUTTON_PRESS)	/* LINE select */
	{
		gtk_xtext_check_mark_stamp (xtext, mask);
		if (gtk_xtext_get_word (xtext, x, y, &ent, 0, 0))
		{
			gtk_xtext_selection_clear (xtext->buffer);
			ent->mark_start = 0;
			ent->mark_end = ent->str_len;
			gtk_xtext_selection_render (xtext, ent, 0, ent, ent->str_len);
			xtext->word_or_line_select = TRUE;
			if (prefs.autocopy_text)
			{
				gtk_xtext_set_clip_owner (GTK_WIDGET (xtext), event);
			}
		}

		return FALSE;
	}

	/* check if it was a separator-bar click */
	if (xtext->separator && xtext->buffer->indent)
	{
		line_x = xtext->buffer->indent - ((xtext->space_width + 1) / 2);
		if (line_x == x || line_x == x + 1 || line_x == x - 1)
		{
			xtext->moving_separator = TRUE;
			/* draw the separator line */
			gtk_xtext_draw_sep (xtext, -1);
			return FALSE;
		}
	}

	xtext->button_down = TRUE;
	xtext->select_start_x = x;
	xtext->select_start_y = y;
	xtext->select_start_adj = xtext->adj->value;

	return FALSE;
}

/* another program has claimed the selection */

static gboolean
gtk_xtext_selection_kill (GtkXText *xtext, GdkEventSelection *event)
{
#ifndef WIN32
	if (xtext->buffer->last_ent_start)
		gtk_xtext_unselect (xtext);
#endif
	return TRUE;
}

static char *
gtk_xtext_selection_get_text (GtkXText *xtext, int *len_ret)
{
	textentry *ent;
	char *txt;
	char *pos;
	char *stripped;
	int len;
	int first = TRUE;
	xtext_buffer *buf;

	buf = xtext->selection_buffer;
	if (!buf)
		return NULL;

	/* first find out how much we need to malloc ... */
	len = 0;
	ent = buf->last_ent_start;
	while (ent)
	{
		if (ent->mark_start != -1)
		{
			/* include timestamp? */
			if (ent->mark_start == 0 && xtext->mark_stamp)
			{
				char *time_str;
				int stamp_size = xtext_get_stamp_str (ent->stamp, &time_str);
				g_free (time_str);
				len += stamp_size;
			}

			if (ent->mark_end - ent->mark_start > 0)
				len += (ent->mark_end - ent->mark_start) + 1;
			else
				len++;
		}
		if (ent == buf->last_ent_end)
			break;
		ent = ent->next;
	}

	if (len < 1)
		return NULL;

	/* now allocate mem and copy buffer */
	pos = txt = malloc (len);
	ent = buf->last_ent_start;
	while (ent)
	{
		if (ent->mark_start != -1)
		{
			if (!first)
			{
				*pos = '\n';
				pos++;
			}
			first = FALSE;
			if (ent->mark_end - ent->mark_start > 0)
			{
				/* include timestamp? */
				if (ent->mark_start == 0 && xtext->mark_stamp)
				{
					char *time_str;
					int stamp_size = xtext_get_stamp_str (ent->stamp, &time_str);
					memcpy (pos, time_str, stamp_size);
					g_free (time_str);
					pos += stamp_size;
				}

				memcpy (pos, ent->str + ent->mark_start,
						  ent->mark_end - ent->mark_start);
				pos += ent->mark_end - ent->mark_start;
			}
		}
		if (ent == buf->last_ent_end)
			break;
		ent = ent->next;
	}
	*pos = 0;

	if (xtext->color_paste)
	{
		/*stripped = gtk_xtext_conv_color (txt, strlen (txt), &len);*/
		stripped = txt;
		len = strlen (txt);
	} else
	{
		stripped = gtk_xtext_strip_color (txt, strlen (txt), NULL, &len, NULL, NULL, FALSE);
		free (txt);
	}

	*len_ret = len;
	return stripped;
}

/* another program is asking for our selection */

static void
gtk_xtext_selection_get (GtkWidget * widget,
								 GtkSelectionData * selection_data_ptr,
								 guint info, guint time)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	char *stripped;
	guchar *new_text;
	int len;
	gsize glen;

	stripped = gtk_xtext_selection_get_text (xtext, &len);
	if (!stripped)
		return;

	switch (info)
	{
	case TARGET_UTF8_STRING:
		/* it's already in utf8 */
		gtk_selection_data_set_text (selection_data_ptr, stripped, len);
		break;
	case TARGET_TEXT:
	case TARGET_COMPOUND_TEXT:
		{
			GdkAtom encoding;
			gint format;
			gint new_length;

#if (GTK_MAJOR_VERSION == 2) && (GTK_MINOR_VERSION == 0)
			gdk_string_to_compound_text (
												stripped, &encoding, &format, &new_text,
												&new_length);
#else
			gdk_string_to_compound_text_for_display (
												gdk_drawable_get_display (widget->window),
												stripped, &encoding, &format, &new_text,
												&new_length);
#endif
			gtk_selection_data_set (selection_data_ptr, encoding, format,
											new_text, new_length);
			gdk_free_compound_text (new_text);
		}
		break;
	default:
		new_text = g_locale_from_utf8 (stripped, len, NULL, &glen, NULL);
		gtk_selection_data_set (selection_data_ptr, GDK_SELECTION_TYPE_STRING,
										8, new_text, glen);
		g_free (new_text);
	}

	free (stripped);
}

static gboolean
gtk_xtext_scroll (GtkWidget *widget, GdkEventScroll *event)
{
	GtkXText *xtext = GTK_XTEXT (widget);
	gfloat new_value;

	if (event->direction == GDK_SCROLL_UP)		/* mouse wheel pageUp */
	{
		new_value = xtext->adj->value - (xtext->adj->page_increment / 10);
		if (new_value < xtext->adj->lower)
			new_value = xtext->adj->lower;
		gtk_adjustment_set_value (xtext->adj, new_value);
	}
	else if (event->direction == GDK_SCROLL_DOWN)	/* mouse wheel pageDn */
	{
		new_value = xtext->adj->value + (xtext->adj->page_increment / 10);
		if (new_value > (xtext->adj->upper - xtext->adj->page_size))
			new_value = xtext->adj->upper - xtext->adj->page_size;
		gtk_adjustment_set_value (xtext->adj, new_value);
	}

	return FALSE;
}

static void
gtk_xtext_class_init (GtkXTextClass * class)
{
	GtkObjectClass *object_class;
	GtkWidgetClass *widget_class;
	GtkXTextClass *xtext_class;

	object_class = (GtkObjectClass *) class;
	widget_class = (GtkWidgetClass *) class;
	xtext_class = (GtkXTextClass *) class;

	parent_class = gtk_type_class (gtk_widget_get_type ());

	xtext_signals[WORD_CLICK] =
		g_signal_new ("word_click",
							G_TYPE_FROM_CLASS (object_class),
							G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION,
							G_STRUCT_OFFSET (GtkXTextClass, word_click),
							NULL, NULL,
							gtk_marshal_VOID__POINTER_POINTER,
							G_TYPE_NONE,
							2, G_TYPE_POINTER, G_TYPE_POINTER);
	object_class->destroy = gtk_xtext_destroy;

	widget_class->realize = gtk_xtext_realize;
	widget_class->unrealize = gtk_xtext_unrealize;
	widget_class->size_request = gtk_xtext_size_request;
	widget_class->size_allocate = gtk_xtext_size_allocate;
	widget_class->button_press_event = gtk_xtext_button_press;
	widget_class->button_release_event = gtk_xtext_button_release;
	widget_class->motion_notify_event = gtk_xtext_motion_notify;
	widget_class->selection_clear_event = (void *)gtk_xtext_selection_kill;
	widget_class->selection_get = gtk_xtext_selection_get;
	widget_class->expose_event = gtk_xtext_expose;
	widget_class->scroll_event = gtk_xtext_scroll;
#ifdef MOTION_MONITOR
	widget_class->leave_notify_event = gtk_xtext_leave_notify;
#endif

	xtext_class->word_click = NULL;
}

GType
gtk_xtext_get_type (void)
{
	static GType xtext_type = 0;

	if (!xtext_type)
	{
		static const GTypeInfo xtext_info =
		{
			sizeof (GtkXTextClass),
			NULL,		/* base_init */
			NULL,		/* base_finalize */
			(GClassInitFunc) gtk_xtext_class_init,
			NULL,		/* class_finalize */
			NULL,		/* class_data */
			sizeof (GtkXText),
			0,		/* n_preallocs */
			(GInstanceInitFunc) gtk_xtext_init,
		};

		xtext_type = g_type_register_static (GTK_TYPE_WIDGET, "GtkXText",
														 &xtext_info, 0);
	}

	return xtext_type;
}

/* strip MIRC colors and other attribs. */

/* CL: needs to strip hidden when called by gtk_xtext_text_width, but not when copying text */

static unsigned char *
gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf,
							  int *newlen, int *mb_ret, GSList **slp, int strip_hidden)
{
	int i = 0;
	int rcol = 0, bgcol = 0;
	int hidden = FALSE;
	unsigned char *new_str;
	int mb = FALSE;
	GSList *sl = NULL;
	unsigned char *text0 = text;
	int off1, len1;
	offlen_t data;

	if (outbuf == NULL)
		new_str = malloc (len + 2);
	else
		new_str = outbuf;

	off1 = 0;
	len1 = 0;
	data.u = 0;
	while (len > 0)
	{
		if (*text >= 128)
			mb = TRUE;

		if (rcol > 0 && (isdigit (*text) || (*text == ',' && isdigit (text[1]) && !bgcol)))
		{
			if (text[1] != ',') rcol--;
			if (*text == ',')
			{
				rcol = 2;
				bgcol = 1;
			}
		} else
		{
			rcol = bgcol = 0;
			switch (*text)
			{
			case ATTR_COLOR:
				rcol = 2;
				break;
			case ATTR_BEEP:
			case ATTR_RESET:
			case ATTR_REVERSE:
			case ATTR_BOLD:
			case ATTR_UNDERLINE:
			case ATTR_ITALICS:
				break;
			case ATTR_HIDDEN:
				hidden = !hidden;
				break;
			default:
				if (!(hidden && strip_hidden))
				{
					if (text - text0 - off1 != len1)
					{
						if (len1)
						{
							data.o.off = off1;
							data.o.len = len1;
							sl = g_slist_append (sl, GUINT_TO_POINTER (data.u));
							len1 = 0;
						}
						off1 = text - text0;
					}
					len1++;
					new_str[i++] = *text;
				}
			}
		}
		text++;
		len--;
	}
	if (len1)
	{
		data.o.off = off1;
		data.o.len = len1;
		sl = g_slist_append (sl, GUINT_TO_POINTER (data.u));
	}

	new_str[i] = 0;

	if (newlen != NULL)
		*newlen = i;

	if (mb_ret != NULL)
		*mb_ret = mb;

	if (slp)
		*slp = sl;
	else
		g_slist_free (sl);

	return new_str;
}


/* GeEkMaN: converts mIRC control codes to literal control codes */

static char *
gtk_xtext_conv_color (unsigned char *text, int len, int *newlen)
{
	int i, j = 2;
	char cchar = 0;
	char *new_str;
	int mbl;

	for (i = 0; i < len;)
	{
		switch (text[i])
		{
		case ATTR_COLOR:
		case ATTR_RESET:
		case ATTR_REVERSE:
		case ATTR_BOLD:
		case ATTR_UNDERLINE:
		case ATTR_ITALICS:
		case ATTR_HIDDEN:
			j += 3;
			i++;
			break;
		default:
			mbl = charlen (text + i);
			j += mbl;
			i += mbl;
		}
	}

	new_str = malloc (j);
	j = 0;

	for (i = 0; i < len;)
	{
		switch (text[i])
		{
		case ATTR_COLOR:
			cchar = 'C';
			break;
		case ATTR_RESET:
			cchar = 'O';
			break;
		case ATTR_REVERSE:
			cchar = 'R';
			break;
		case ATTR_BOLD:
			cchar = 'B';
			break;
		case ATTR_UNDERLINE:
			cchar = 'U';
			break;
		case ATTR_ITALICS:
			cchar = 'I';
			break;
		case ATTR_HIDDEN:
			cchar = 'H';
			break;
		case ATTR_BEEP:
			break;
		default:
			mbl = charlen (text + i);
			if (mbl == 1)
			{
				new_str[j] = text[i];
				j++;
				i++;
			} else
			{
				/* invalid utf8 safe guard */
				if (i + mbl > len)
					mbl = len - i;
				memcpy (new_str + j, text + i, mbl);
				j += mbl;
				i += mbl;
			}
		}
		if (cchar != 0)
		{
			new_str[j++] = '%';
			new_str[j++] = cchar;
			cchar = 0;
			i++;
		}
	}

	new_str[j] = 0;
	*newlen = j;

	return new_str;
}

/* gives width of a string, excluding the mIRC codes */

static int
gtk_xtext_text_width (GtkXText *xtext, unsigned char *text, int len,
							 int *mb_ret)
{
	unsigned char *new_buf;
	int new_len, mb;

	new_buf = gtk_xtext_strip_color (text, len, xtext->scratch_buffer,
												&new_len, &mb, NULL, !xtext->ignore_hidden);

	if (mb_ret)
		*mb_ret = mb;

	return backend_get_text_width (xtext, new_buf, new_len, mb);
}

/* actually draw text to screen (one run with the same color/attribs) */

static int
gtk_xtext_render_flush (GtkXText * xtext, int x, int y, unsigned char *str,
								int len, GdkGC *gc, int is_mb)
{
	int str_width, dofill;
	GdkDrawable *pix = NULL;
	int dest_x, dest_y;

	if (xtext->dont_render || len < 1 || xtext->hidden)
		return 0;

	str_width = backend_get_text_width (xtext, str, len, is_mb);

	if (xtext->dont_render2)
		return str_width;

	/* roll-your-own clipping (avoiding XftDrawString is always good!) */
	if (x > xtext->clip_x2 || x + str_width < xtext->clip_x)
		return str_width;
	if (y - xtext->font->ascent > xtext->clip_y2 || (y - xtext->font->ascent) + xtext->fontsize < xtext->clip_y)
		return str_width;

	if (xtext->render_hilights_only)
	{
		if (!xtext->in_hilight)	/* is it a hilight prefix? */
			return str_width;
#ifndef COLOR_HILIGHT
		if (!xtext->un_hilight)	/* doing a hilight? no need to draw the text */
			goto dounder;
#endif
	}

#ifdef USE_DB
#ifdef WIN32
	if (!xtext->transparent)
#endif
	{
		pix = gdk_pixmap_new (xtext->draw_buf, str_width, xtext->fontsize, xtext->depth);
		if (pix)
		{
#ifdef USE_XFT
			XftDrawChange (xtext->xftdraw, GDK_WINDOW_XWINDOW (pix));
#endif
			dest_x = x;
			dest_y = y - xtext->font->ascent;

			gdk_gc_set_ts_origin (xtext->bgc, xtext->ts_x - x, xtext->ts_y - dest_y);

			x = 0;
			y = xtext->font->ascent;
			xtext->draw_buf = pix;
		}
	}
#endif

	dofill = TRUE;

	/* backcolor is always handled by XDrawImageString */
	if (!xtext->backcolor && xtext->pixmap)
	{
	/* draw the background pixmap behind the text - CAUSES FLICKER HERE!! */
		xtext_draw_bg (xtext, x, y - xtext->font->ascent, str_width,
							xtext->fontsize);
		dofill = FALSE;	/* already drawn the background */
	}

	backend_draw_text (xtext, dofill, gc, x, y, str, len, str_width, is_mb);

#ifdef USE_DB
	if (pix)
	{
		GdkRectangle clip;
		GdkRectangle dest;

		gdk_gc_set_ts_origin (xtext->bgc, xtext->ts_x, xtext->ts_y);
		xtext->draw_buf = GTK_WIDGET (xtext)->window;
#ifdef USE_XFT
		XftDrawChange (xtext->xftdraw, GDK_WINDOW_XWINDOW (xtext->draw_buf));
#endif
#if 0
		gdk_draw_drawable (xtext->draw_buf, xtext->bgc, pix, 0, 0, dest_x,
								 dest_y, str_width, xtext->fontsize);
#else
		clip.x = xtext->clip_x;
		clip.y = xtext->clip_y;
		clip.width = xtext->clip_x2 - xtext->clip_x;
		clip.height = xtext->clip_y2 - xtext->clip_y;

		dest.x = dest_x;
		dest.y = dest_y;
		dest.width = str_width;
		dest.height = xtext->fontsize;

		if (gdk_rectangle_intersect (&clip, &dest, &dest))
			/* dump the DB to window, but only within the clip_x/x2/y/y2 */
			gdk_draw_drawable (xtext->draw_buf, xtext->bgc, pix,
									 dest.x - dest_x, dest.y - dest_y,
									 dest.x, dest.y, dest.width, dest.height);
#endif
		g_object_unref (pix);
	}
#endif

	if (xtext->underline)
	{
#ifdef USE_XFT
		GdkColor col;
#endif

#ifndef COLOR_HILIGHT
dounder:
#endif

#ifdef USE_XFT
		col.pixel = xtext->xft_fg->pixel;
		gdk_gc_set_foreground (gc, &col);
#endif
		if (pix)
			y = dest_y + xtext->font->ascent + 1;
		else
		{
			y++;
			dest_x = x;
		}
		/* draw directly to window, it's out of the range of our DB */
		gdk_draw_line (xtext->draw_buf, gc, dest_x, y, dest_x + str_width - 1, y);
	}

	return str_width;
}

static void
gtk_xtext_reset (GtkXText * xtext, int mark, int attribs)
{
	if (attribs)
	{
		xtext->underline = FALSE;
		xtext->bold = FALSE;
		xtext->italics = FALSE;
		xtext->hidden = FALSE;
	}
	if (!mark)
	{
		xtext->backcolor = FALSE;
		if (xtext->col_fore != XTEXT_FG)
			xtext_set_fg (xtext, xtext->fgc, XTEXT_FG);
		if (xtext->col_back != XTEXT_BG)
			xtext_set_bg (xtext, xtext->fgc, XTEXT_BG);
	}
	xtext->col_fore = XTEXT_FG;
	xtext->col_back = XTEXT_BG;
	xtext->parsing_color = FALSE;
	xtext->parsing_backcolor = FALSE;
	xtext->nc = 0;
}

/*
 * gtk_xtext_search_offset (buf, ent, off) --
 * Look for arg offset in arg textentry
 * Return one or more flags:
 * 	GTK_MATCH_MID if we are in a match
 * 	GTK_MATCH_START if we're at the first byte of it
 * 	GTK_MATCH_END if we're at the first byte past it
 * 	GTK_MATCH_CUR if it is the current match
 */
#define GTK_MATCH_START	1
#define GTK_MATCH_MID	2
#define GTK_MATCH_END	4
#define GTK_MATCH_CUR	8
static int
gtk_xtext_search_offset (xtext_buffer *buf, textentry *ent, unsigned int off)
{
	GList *gl;
	offsets_t o;
	int flags = 0;

	for (gl = g_list_first (ent->marks); gl; gl = g_list_next (gl))
	{
		o.u = GPOINTER_TO_UINT (gl->data);
		if (off < o.o.start || off > o.o.end)
			continue;
		flags = GTK_MATCH_MID;
		if (off == o.o.start)
			flags |= GTK_MATCH_START;
		if (off == o.o.end)
		{
			gl = g_list_next (gl);
			if (gl)
			{
				o.u = GPOINTER_TO_UINT (gl->data);
				if (off ==  o.o.start)	/* If subseq match is adjacent */
				{
					flags |= (gl == buf->curmark)? GTK_MATCH_CUR: 0;
				}
				else		/* If subseq match is not adjacent */
				{
					flags |= GTK_MATCH_END;
				}
			}
			else		/* If there is no subseq match */
			{
				flags |= GTK_MATCH_END;
			}
		}
		else if (gl == buf->curmark)	/* If not yet at the end of this match */
		{
			flags |= GTK_MATCH_CUR;
		}
		break;
	}
	return flags;
}

/* render a single line, which WONT wrap, and parse mIRC colors */

static int
gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent,
							 unsigned char *str, int len, int win_width, int indent,
							 int line, int left_only, int *x_size_ret)
{
	GdkGC *gc;
	int i = 0, x = indent, j = 0;
	unsigned char *pstr = str;
	int col_num, tmp;
	int offset;
	int mark = FALSE;
	int ret = 1;
	int k;
	int srch_underline = FALSE;
	int srch_mark = FALSE;

	xtext->in_hilight = FALSE;

	offset = str - ent->str;

	if (line < 255 && line >= 0)
		xtext->buffer->grid_offset[line] = offset;

	gc = xtext->fgc;				  /* our foreground GC */

	if (ent->mark_start != -1 &&
		 ent->mark_start <= i + offset && ent->mark_end > i + offset)
	{
		xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
		xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
		xtext->backcolor = TRUE;
		mark = TRUE;
	}
#ifdef MOTION_MONITOR
	if (xtext->hilight_ent == ent &&
		 xtext->hilight_start <= i + offset && xtext->hilight_end > i + offset)
	{
		if (!xtext->un_hilight)
		{
#ifdef COLOR_HILIGHT
			xtext_set_bg (xtext, gc, 2);
#else
			xtext->underline = TRUE;
#endif
		}
		xtext->in_hilight = TRUE;
	}
#endif

	if (!xtext->skip_border_fills && !xtext->dont_render)
	{
		/* draw background to the left of the text */
		if (str == ent->str && indent > MARGIN && xtext->buffer->time_stamp)
		{
			/* don't overwrite the timestamp */
			if (indent > xtext->stamp_width)
			{
				xtext_draw_bg (xtext, xtext->stamp_width, y - xtext->font->ascent,
									indent - xtext->stamp_width, xtext->fontsize);
			}
		} else
		{
			/* fill the indent area with background gc */
			if (indent >= xtext->clip_x)
			{
				xtext_draw_bg (xtext, 0, y - xtext->font->ascent,
									MIN (indent, xtext->clip_x2), xtext->fontsize);
			}
		}
	}

	if (xtext->jump_in_offset > 0 && offset < xtext->jump_in_offset)
		xtext->dont_render2 = TRUE;

	while (i < len)
	{

#ifdef MOTION_MONITOR
		if (xtext->hilight_ent == ent && xtext->hilight_start == (i + offset))
		{
			x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
			pstr += j;
			j = 0;
			if (!xtext->un_hilight)
			{
#ifdef COLOR_HILIGHT
				xtext_set_bg (xtext, gc, 2);
#else
				xtext->underline = TRUE;
#endif
			}

			xtext->in_hilight = TRUE;
		}
#endif

		if ((xtext->parsing_color && isdigit (str[i]) && xtext->nc < 2) ||
			 (xtext->parsing_color && str[i] == ',' && isdigit (str[i+1]) && xtext->nc < 3 && !xtext->parsing_backcolor))
		{
			pstr++;
			if (str[i] == ',')
			{
				xtext->parsing_backcolor = TRUE;
				if (xtext->nc)
				{
					xtext->num[xtext->nc] = 0;
					xtext->nc = 0;
					col_num = atoi (xtext->num);
					if (col_num == 99)	/* mIRC lameness */
						col_num = XTEXT_FG;
					else
						col_num = col_num % XTEXT_MIRC_COLS;
					xtext->col_fore = col_num;
					if (!mark)
						xtext_set_fg (xtext, gc, col_num);
				}
			} else
			{
				xtext->num[xtext->nc] = str[i];
				if (xtext->nc < 7)
					xtext->nc++;
			}
		} else
		{
			if (xtext->parsing_color)
			{
				xtext->parsing_color = FALSE;
				if (xtext->nc)
				{
					xtext->num[xtext->nc] = 0;
					xtext->nc = 0;
					col_num = atoi (xtext->num);
					if (xtext->parsing_backcolor)
					{
						if (col_num == 99)	/* mIRC lameness */
							col_num = XTEXT_BG;
						else
							col_num = col_num % XTEXT_MIRC_COLS;
						if (col_num == XTEXT_BG)
							xtext->backcolor = FALSE;
						else
							xtext->backcolor = TRUE;
						if (!mark)
							xtext_set_bg (xtext, gc, col_num);
						xtext->col_back = col_num;
					} else
					{
						if (col_num == 99)	/* mIRC lameness */
							col_num = XTEXT_FG;
						else
							col_num = col_num % XTEXT_MIRC_COLS;
						if (!mark)
							xtext_set_fg (xtext, gc, col_num);
						xtext->col_fore = col_num;
					}
					xtext->parsing_backcolor = FALSE;
				} else
				{
					/* got a \003<non-digit>... i.e. reset colors */
					x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
					pstr += j;
					j = 0;
					gtk_xtext_reset (xtext, mark, FALSE);
				}
			}

			if (!left_only && !mark &&
				 (k = gtk_xtext_search_offset (xtext->buffer, ent, offset + i)))
			{
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				pstr += j;
				j = 0;
				if (!(xtext->buffer->search_flags & highlight))
				{
					if (k & GTK_MATCH_CUR)
					{
						xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
						xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
						xtext->backcolor = TRUE;
						srch_mark = TRUE;
					} else
					{
						xtext_set_bg (xtext, gc, xtext->col_back);
						xtext_set_fg (xtext, gc, xtext->col_fore);
						xtext->backcolor = (xtext->col_back != XTEXT_BG)? TRUE: FALSE;
						srch_mark = FALSE;
					}
				}
				else
				{
					xtext->underline = (k & GTK_MATCH_CUR)? TRUE: FALSE;
					if (k & (GTK_MATCH_START | GTK_MATCH_MID))
					{
						xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
						xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
						xtext->backcolor = TRUE;
						srch_mark = TRUE;
					}
					if (k & GTK_MATCH_END)
					{
						xtext_set_bg (xtext, gc, xtext->col_back);
						xtext_set_fg (xtext, gc, xtext->col_fore);
						xtext->backcolor = (xtext->col_back != XTEXT_BG)? TRUE: FALSE;
						srch_mark = FALSE;
						xtext->underline = FALSE;
					}
					srch_underline = xtext->underline;
				}
			}

			switch (str[i])
			{
			case '\n':
			/*case ATTR_BEEP:*/
				break;
			case ATTR_REVERSE:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				pstr += j + 1;
				j = 0;
				tmp = xtext->col_fore;
				xtext->col_fore = xtext->col_back;
				xtext->col_back = tmp;
				if (!mark)
				{
					xtext_set_fg (xtext, gc, xtext->col_fore);
					xtext_set_bg (xtext, gc, xtext->col_back);
				}
				if (xtext->col_back != XTEXT_BG)
					xtext->backcolor = TRUE;
				else
					xtext->backcolor = FALSE;
				break;
			case ATTR_BOLD:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				xtext->bold = !xtext->bold;
				pstr += j + 1;
				j = 0;
				break;
			case ATTR_UNDERLINE:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				xtext->underline = !xtext->underline;
				pstr += j + 1;
				j = 0;
				break;
			case ATTR_ITALICS:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				xtext->italics = !xtext->italics;
				pstr += j + 1;
				j = 0;
				break;
			case ATTR_HIDDEN:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				xtext->hidden = (!xtext->hidden) & (!xtext->ignore_hidden);
				pstr += j + 1;
				j = 0;
				break;
			case ATTR_RESET:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				pstr += j + 1;
				j = 0;
				gtk_xtext_reset (xtext, mark, !xtext->in_hilight);
				break;
			case ATTR_COLOR:
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				xtext->parsing_color = TRUE;
				pstr += j + 1;
				j = 0;
				break;
			default:
				tmp = charlen (str + i);
				/* invalid utf8 safe guard */
				if (tmp + i > len)
					tmp = len - i;
				j += tmp;	/* move to the next utf8 char */
			}
		}
		i += charlen (str + i);	/* move to the next utf8 char */
		/* invalid utf8 safe guard */
		if (i > len)
			i = len;

		/* Separate the left part, the space and the right part
		   into separate runs, and reset bidi state inbetween.
		   Perform this only on the first line of the message.
                */
		if (offset == 0)
		{
			/* we've reached the end of the left part? */
			if ((pstr-str)+j == ent->left_len)
			{
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				pstr += j;
				j = 0;
			}
			else if ((pstr-str)+j == ent->left_len+1)
			{
				x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
				pstr += j;
				j = 0;
			}
		}

		/* have we been told to stop rendering at this point? */
		if (xtext->jump_out_offset > 0 && xtext->jump_out_offset <= (i + offset))
		{
			gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
			ret = 0;	/* skip the rest of the lines, we're done. */
			j = 0;
			break;
		}

		if (xtext->jump_in_offset > 0 && xtext->jump_in_offset == (i + offset))
		{
			x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
			pstr += j;
			j = 0;
			xtext->dont_render2 = FALSE;
		}

#ifdef MOTION_MONITOR
		if (xtext->hilight_ent == ent && xtext->hilight_end == (i + offset))
		{
			x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
			pstr += j;
			j = 0;
#ifdef COLOR_HILIGHT
			if (mark)
			{
				xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
				xtext->backcolor = TRUE;
			} else
			{
				xtext_set_bg (xtext, gc, xtext->col_back);
				if (xtext->col_back != XTEXT_BG)
					xtext->backcolor = TRUE;
				else
					xtext->backcolor = FALSE;
			}
#else
			xtext->underline = FALSE;
#endif
			xtext->in_hilight = FALSE;
			if (xtext->render_hilights_only)
			{
				/* stop drawing this ent */
				ret = 0;
				break;
			}
		}
#endif

		if (!mark && ent->mark_start == (i + offset))
		{
			x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
			pstr += j;
			j = 0;
			xtext_set_bg (xtext, gc, XTEXT_MARK_BG);
			xtext_set_fg (xtext, gc, XTEXT_MARK_FG);
			xtext->backcolor = TRUE;
			if (srch_underline)
			{
				xtext->underline = FALSE;
				srch_underline = FALSE;
			}
			mark = TRUE;
		}

		if (mark && ent->mark_end == (i + offset))
		{
			x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);
			pstr += j;
			j = 0;
			xtext_set_bg (xtext, gc, xtext->col_back);
			xtext_set_fg (xtext, gc, xtext->col_fore);
			if (xtext->col_back != XTEXT_BG)
				xtext->backcolor = TRUE;
			else
				xtext->backcolor = FALSE;
			mark = FALSE;
		}

	}

	if (j)
		x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb);

	if (mark || srch_mark)
	{
		xtext_set_bg (xtext, gc, xtext->col_back);
		xtext_set_fg (xtext, gc, xtext->col_fore);
		if (xtext->col_back != XTEXT_BG)
			xtext->backcolor = TRUE;
		else
			xtext->backcolor = FALSE;
	}

	/* draw background to the right of the text */
	if (!left_only && !xtext->dont_render)
	{
		/* draw separator now so it doesn't appear to flicker */
		gtk_xtext_draw_sep (xtext, y - xtext->font->ascent);
		if (!xtext->skip_border_fills && xtext->clip_x2 >= x)
		{
			int xx = MAX (x, xtext->clip_x);

			xtext_draw_bg (xtext,
								xx,	/* x */
								y - xtext->font->ascent, /* y */
				MIN (xtext->clip_x2 - xx, (win_width + MARGIN) - xx), /* width */
								xtext->fontsize);		/* height */
		}
	}

	xtext->dont_render2 = FALSE;

	/* return how much we drew in the x direction */
	if (x_size_ret)
		*x_size_ret = x - indent;

	return ret;
}

#ifdef USE_XLIB

/* get the desktop/root window */

static Window desktop_window = None;

static Window
get_desktop_window (Display *xdisplay, Window the_window)
{
	Atom prop, type;
	int format;
	unsigned long length, after;
	unsigned char *data;
	unsigned int nchildren;
	Window w, root, *children, parent;

	prop = XInternAtom (xdisplay, "_XROOTPMAP_ID", True);
	if (prop == None)
	{
		prop = XInternAtom (xdisplay, "_XROOTCOLOR_PIXEL", True);
		if (prop == None)
			return None;
	}

	for (w = the_window; w; w = parent)
	{
		if ((XQueryTree (xdisplay, w, &root, &parent, &children,
				&nchildren)) == False)
			return None;

		if (nchildren)
			XFree (children);

		XGetWindowProperty (xdisplay, w, prop, 0L, 1L, False,
								  AnyPropertyType, &type, &format, &length, &after,
								  &data);
		if (data)
			XFree (data);

		if (type != None)
			return (desktop_window = w);
	}

	return (desktop_window = None);
}

/* find the root window (backdrop) Pixmap */

static Pixmap
get_pixmap_prop (Display *xdisplay, Window the_window)
{
	Atom type;
	int format;
	unsigned long length, after;
	unsigned char *data;
	Pixmap pix = None;
	static Atom prop = None;

	if (desktop_window == None)
		desktop_window = get_desktop_window (xdisplay, the_window);
	if (desktop_window == None)
		desktop_window = DefaultRootWindow (xdisplay);

	if (prop == None)
		prop = XInternAtom (xdisplay, "_XROOTPMAP_ID", True);
	if (prop == None)
		return None;

	XGetWindowProperty (xdisplay, desktop_window, prop, 0L, 1L, False,
							  AnyPropertyType, &type, &format, &length, &after,
							  &data);
	if (data)
	{
		if (type == XA_PIXMAP)
			pix = *((Pixmap *) data);

		XFree (data);
	}

	return pix;
}

/* slow generic routine, for the depths/bpp we don't know about */

static void
shade_ximage_generic (GdkVisual *visual, XImage *ximg, int bpl, int w, int h, int rm, int gm, int bm, int bg)
{
	int x, y;
	int bgr = (256 - rm) * (bg & visual->red_mask);
	int bgg = (256 - gm) * (bg & visual->green_mask);
	int bgb = (256 - bm) * (bg & visual->blue_mask);

	for (x = 0; x < w; x++)
	{
		for (y = 0; y < h; y++)
		{
			unsigned long pixel = XGetPixel (ximg, x, y);
			int r, g, b;

			r = rm * (pixel & visual->red_mask) + bgr;
			g = gm * (pixel & visual->green_mask) + bgg;
			b = bm * (pixel & visual->blue_mask) + bgb;

			XPutPixel (ximg, x, y,
							((r >> 8) & visual->red_mask) |
							((g >> 8) & visual->green_mask) |
							((b >> 8) & visual->blue_mask));
		}
	}
}

#endif

/* Fast shading routine. Based on code by Willem Monsuwe <willem@stack.nl> */

#define SHADE_IMAGE(bytes, type, rmask, gmask, bmask) \
	unsigned char *ptr; \
	int x, y; \
	int bgr = (256 - rm) * (bg & rmask); \
	int bgg = (256 - gm) * (bg & gmask); \
	int bgb = (256 - bm) * (bg & bmask); \
	ptr = (unsigned char *) data + (w * bytes); \
	for (y = h; --y >= 0;) \
	{ \
		for (x = -w; x < 0; x++) \
		{ \
			int r, g, b; \
			b = ((type *) ptr)[x]; \
			r = rm * (b & rmask) + bgr; \
			g = gm * (b & gmask) + bgg; \
			b = bm * (b & bmask) + bgb; \
			((type *) ptr)[x] = ((r >> 8) & rmask) \
										| ((g >> 8) & gmask) \
										| ((b >> 8) & bmask); \
		} \
		ptr += bpl; \
    }

/* RGB 15 */
static void
shade_ximage_15 (void *data, int bpl, int w, int h, int rm, int gm, int bm, int bg)
{
	SHADE_IMAGE (2, guint16, 0x7c00, 0x3e0, 0x1f);
}

/* RGB 16 */
static void
shade_ximage_16 (void *data, int bpl, int w, int h, int rm, int gm, int bm, int bg)
{
	SHADE_IMAGE (2, guint16, 0xf800, 0x7e0, 0x1f);
}

/* RGB 24 */
static void
shade_ximage_24 (void *data, int bpl, int w, int h, int rm, int gm, int bm, int bg)
{
	/* 24 has to be a special case, there's no guint24, or 24bit MOV :) */
	unsigned char *ptr;
	int x, y;
	int bgr = (256 - rm) * ((bg & 0xff0000) >> 16);
	int bgg = (256 - gm) * ((bg & 0xff00) >> 8);
	int bgb = (256 - bm) * (bg & 0xff);

	ptr = (unsigned char *) data + (w * 3);
	for (y = h; --y >= 0;)
	{
		for (x = -(w * 3); x < 0; x += 3)
		{
			int r, g, b;

#if (G_BYTE_ORDER == G_BIG_ENDIAN)
			r = (ptr[x + 0] * rm + bgr) >> 8;
			g = (ptr[x + 1] * gm + bgg) >> 8;
			b = (ptr[x + 2] * bm + bgb) >> 8;
			ptr[x + 0] = r;
			ptr[x + 1] = g;
			ptr[x + 2] = b;
#else
			r = (ptr[x + 2] * rm + bgr) >> 8;
			g = (ptr[x + 1] * gm + bgg) >> 8;
			b = (ptr[x + 0] * bm + bgb) >> 8;
			ptr[x + 2] = r;
			ptr[x + 1] = g;
			ptr[x + 0] = b;
#endif
		}
		ptr += bpl;
	}
}

/* RGB 32 */
static void
shade_ximage_32 (void *data, int bpl, int w, int h, int rm, int gm, int bm, int bg)
{
	SHADE_IMAGE (4, guint32, 0xff0000, 0xff00, 0xff);
}

static void
shade_image (GdkVisual *visual, void *data, int bpl, int bpp, int w, int h,
				 int rm, int gm, int bm, int bg, int depth)
{
	int bg_r, bg_g, bg_b;

	bg_r = bg & visual->red_mask;
	bg_g = bg & visual->green_mask;
	bg_b = bg & visual->blue_mask;

#ifdef USE_MMX
	/* the MMX routines are about 50% faster at 16-bit. */
	/* only use MMX routines with a pure black background */
	if (bg_r == 0 && bg_g == 0 && bg_b == 0 && have_mmx ())	/* do a runtime check too! */
	{
		switch (depth)
		{
		case 15:
			shade_ximage_15_mmx (data, bpl, w, h, rm, gm, bm);
			break;
		case 16:
			shade_ximage_16_mmx (data, bpl, w, h, rm, gm, bm);
			break;
		case 24:
			if (bpp != 32)
				goto generic;
		case 32:
			shade_ximage_32_mmx (data, bpl, w, h, rm, gm, bm);
			break;
		default:
			goto generic;
		}
	} else
	{
generic:
#endif
		switch (depth)
		{
		case 15:
			shade_ximage_15 (data, bpl, w, h, rm, gm, bm, bg);
			break;
		case 16:
			shade_ximage_16 (data, bpl, w, h, rm, gm, bm, bg);
			break;
		case 24:
			if (bpp != 32)
			{
				shade_ximage_24 (data, bpl, w, h, rm, gm, bm, bg);
				break;
			}
		case 32:
			shade_ximage_32 (data, bpl, w, h, rm, gm, bm, bg);
		}
#ifdef USE_MMX
	}
#endif
}

#ifdef USE_XLIB

#ifdef USE_SHM

static XImage *
get_shm_image (Display *xdisplay, XShmSegmentInfo *shminfo, int x, int y,
					int w, int h, int depth, Pixmap pix)
{
	XImage *ximg;

	shminfo->shmid = -1;
	shminfo->shmaddr = (char*) -1;
	ximg = XShmCreateImage (xdisplay, 0, depth, ZPixmap, 0, shminfo, w, h);
	if (!ximg)
		return NULL;

	shminfo->shmid = shmget (IPC_PRIVATE, ximg->bytes_per_line * ximg->height,
									 IPC_CREAT|0600);
	if (shminfo->shmid == -1)
	{
		XDestroyImage (ximg);
		return NULL;
	}

	shminfo->readOnly = False;
	ximg->data = shminfo->shmaddr = (char *)shmat (shminfo->shmid, 0, 0);
	if (shminfo->shmaddr == ((char *)-1))
	{
		shmctl (shminfo->shmid, IPC_RMID, 0);
		XDestroyImage (ximg);
		return NULL;
	}

	XShmAttach (xdisplay, shminfo);
	XSync (xdisplay, False);
	shmctl (shminfo->shmid, IPC_RMID, 0);
	XShmGetImage (xdisplay, pix, ximg, x, y, AllPlanes);

	return ximg;
}

static XImage *
get_image (GtkXText *xtext, Display *xdisplay, XShmSegmentInfo *shminfo,
			  int x, int y, int w, int h, int depth, Pixmap pix)
{
	XImage *ximg;

	xtext->shm = 1;
	ximg = get_shm_image (xdisplay, shminfo, x, y, w, h, depth, pix);
	if (!ximg)
	{
		xtext->shm = 0;
		ximg = XGetImage (xdisplay, pix, x, y, w, h, -1, ZPixmap);
	}

	return ximg;
}

#endif

static GdkPixmap *
shade_pixmap (GtkXText * xtext, Pixmap p, int x, int y, int w, int h)
{
	unsigned int dummy, width, height, depth;
	GdkPixmap *shaded_pix;
	Window root;
	Pixmap tmp;
	XImage *ximg;
	XGCValues gcv;
	GC tgc;
	Display *xdisplay = GDK_WINDOW_XDISPLAY (xtext->draw_buf);

#ifdef USE_SHM
	int shm_pixmaps;
	shm_pixmaps = have_shm_pixmaps(xdisplay);
#endif

	XGetGeometry (xdisplay, p, &root, &dummy, &dummy, &width, &height,
					  &dummy, &depth);

	if (width < x + w || height < y + h || x < 0 || y < 0)
	{
		gcv.subwindow_mode = IncludeInferiors;
		gcv.graphics_exposures = False;
		tgc = XCreateGC (xdisplay, p, GCGraphicsExposures|GCSubwindowMode,
							  &gcv);
		tmp = XCreatePixmap (xdisplay, p, w, h, depth);
		XSetTile (xdisplay, tgc, p);
		XSetFillStyle (xdisplay, tgc, FillTiled);
		XSetTSOrigin (xdisplay, tgc, -x, -y);
		XFillRectangle (xdisplay, tmp, tgc, 0, 0, w, h);
		XFreeGC (xdisplay, tgc);

#ifdef USE_SHM
		if (shm_pixmaps)
			ximg = get_image (xtext, xdisplay, &xtext->shminfo, 0, 0, w, h, depth, tmp);
		else
#endif
			ximg = XGetImage (xdisplay, tmp, 0, 0, w, h, -1, ZPixmap);
		XFreePixmap (xdisplay, tmp);
	} else
	{
#ifdef USE_SHM
		if (shm_pixmaps)
			ximg = get_image (xtext, xdisplay, &xtext->shminfo, x, y, w, h, depth, p);
		else
#endif
			ximg = XGetImage (xdisplay, p, x, y, w, h, -1, ZPixmap);
	}

	if (!ximg)
		return NULL;

	if (depth <= 14)
	{
		shade_ximage_generic (gdk_drawable_get_visual (GTK_WIDGET (xtext)->window),
									 ximg, ximg->bytes_per_line, w, h, xtext->tint_red,
									 xtext->tint_green, xtext->tint_blue,
									 xtext->palette[XTEXT_BG]);
	} else
	{
		shade_image (gdk_drawable_get_visual (GTK_WIDGET (xtext)->window),
						 ximg->data, ximg->bytes_per_line, ximg->bits_per_pixel,
						 w, h, xtext->tint_red, xtext->tint_green, xtext->tint_blue,
						 xtext->palette[XTEXT_BG], depth);
	}

	if (xtext->recycle)
		shaded_pix = xtext->pixmap;
	else
	{
#ifdef USE_SHM
		if (xtext->shm && shm_pixmaps)
		{
#if (GTK_MAJOR_VERSION == 2) && (GTK_MINOR_VERSION == 0)
			shaded_pix = gdk_pixmap_foreign_new (
				XShmCreatePixmap (xdisplay, p, ximg->data, &xtext->shminfo, w, h, depth));
#else
			shaded_pix = gdk_pixmap_foreign_new_for_display (
				gdk_drawable_get_display (xtext->draw_buf),
				XShmCreatePixmap (xdisplay, p, ximg->data, &xtext->shminfo, w, h, depth));
#endif
		} else
#endif
		{
			shaded_pix = gdk_pixmap_new (GTK_WIDGET (xtext)->window, w, h, depth);
		}
	}

#ifdef USE_SHM
	if (!xtext->shm || !shm_pixmaps)
#endif
		XPutImage (xdisplay, GDK_WINDOW_XWINDOW (shaded_pix),
					  GDK_GC_XGC (xtext->fgc), ximg, 0, 0, 0, 0, w, h);
	XDestroyImage (ximg);

	return shaded_pix;
}

#endif /* !USE_XLIB */

/* free transparency xtext->pixmap */
#if defined(USE_XLIB) || defined(WIN32)

static void
gtk_xtext_free_trans (GtkXText * xtext)
{
	if (xtext->pixmap)
	{
#ifdef USE_SHM
		if (xtext->shm && have_shm_pixmaps(GDK_WINDOW_XDISPLAY (xtext->draw_buf)))
		{
			XFreePixmap (GDK_WINDOW_XDISPLAY (xtext->pixmap),
							 GDK_WINDOW_XWINDOW (xtext->pixmap));
			XShmDetach (GDK_WINDOW_XDISPLAY (xtext->draw_buf), &xtext->shminfo);
			shmdt (xtext->shminfo.shmaddr);
		}
#endif
		g_object_unref (xtext->pixmap);
		xtext->pixmap = NULL;
		xtext->shm = 0;
	}
}

#endif

#ifdef WIN32

static GdkPixmap *
win32_tint (GtkXText *xtext, GdkImage *img, int width, int height)
{
	guchar *pixelp;
	int x, y;
	GdkPixmap *pix;
	GdkVisual *visual = gdk_drawable_get_visual (GTK_WIDGET (xtext)->window);
	guint32 pixel;
	int r, g, b;

	if (img->depth <= 14)
	{
		/* slow generic routine */
		for (y = 0; y < height; y++)
		{
			for (x = 0; x < width; x++)
			{
				if (img->depth == 1)
				{
					pixel = (((guchar *) img->mem)[y * img->bpl + (x >> 3)] & (1 << (7 - (x & 0x7)))) != 0;
					goto here;
				}

				if (img->depth == 4)
				{
					pixelp = (guchar *) img->mem + y * img->bpl + (x >> 1);
					if (x&1)
					{
						pixel = (*pixelp) & 0x0F;
						goto here;
					}

					pixel = (*pixelp) >> 4;
					goto here;
				}

				pixelp = (guchar *) img->mem + y * img->bpl + x * img->bpp;

				switch (img->bpp)
				{
				case 1:
					pixel = *pixelp; break;

				/* Windows is always LSB, no need to check img->byte_order. */
				case 2:
					pixel = pixelp[0] | (pixelp[1] << 8); break;

				case 3:
					pixel = pixelp[0] | (pixelp[1] << 8) | (pixelp[2] << 16); break;

				case 4:
					pixel = pixelp[0] | (pixelp[1] << 8) | (pixelp[2] << 16); break;
				}

here:
				r = (pixel & visual->red_mask) >> visual->red_shift;
				g = (pixel & visual->green_mask) >> visual->green_shift;
				b = (pixel & visual->blue_mask) >> visual->blue_shift;

				/* actual tinting is only these 3 lines */
				pixel = ((r * xtext->tint_red) >> 8) << visual->red_shift |
							((g * xtext->tint_green) >> 8) << visual->green_shift |
							((b * xtext->tint_blue) >> 8) << visual->blue_shift;

				if (img->depth == 1)
					if (pixel & 1)
						((guchar *) img->mem)[y * img->bpl + (x >> 3)] |= (1 << (7 - (x & 0x7)));
					else
						((guchar *) img->mem)[y * img->bpl + (x >> 3)] &= ~(1 << (7 - (x & 0x7)));
				else if (img->depth == 4)
				{
					pixelp = (guchar *) img->mem + y * img->bpl + (x >> 1);

					if (x&1)
					{
						*pixelp &= 0xF0;
						*pixelp |= (pixel & 0x0F);
					} else
					{
						*pixelp &= 0x0F;
						*pixelp |= (pixel << 4);
					}
				} else
				{
					pixelp = (guchar *) img->mem + y * img->bpl + x * img->bpp;

					/* Windows is always LSB, no need to check img->byte_order. */
					switch (img->bpp)
					{
					case 4:
						pixelp[3] = 0;
					case 3:
						pixelp[2] = ((pixel >> 16) & 0xFF);
					case 2:
						pixelp[1] = ((pixel >> 8) & 0xFF);
					case 1:
						pixelp[0] = (pixel & 0xFF);
					}
				}
			}
		}
	} else
	{
		shade_image (visual, img->mem, img->bpl, img->bpp, width, height,
						 xtext->tint_red, xtext->tint_green, xtext->tint_blue,
						 xtext->palette[XTEXT_BG], visual->depth);
	}

	/* no need to dump it to a Pixmap, it's one and the same on win32 */
	pix = (GdkPixmap *)img;

	return pix;
}

#endif /* !WIN32 */

/* grab pixmap from root window and set xtext->pixmap */
#if defined(USE_XLIB) || defined(WIN32)

static void
gtk_xtext_load_trans (GtkXText * xtext)
{
#ifdef WIN32
	GdkImage *img;
	int width, height;
	HDC hdc;
	HWND hwnd;

	/* if not shaded, we paint directly with PaintDesktop() */
	if (!xtext->shaded)
		return;

	hwnd = GDK_WINDOW_HWND (GTK_WIDGET (xtext)->window);
	hdc = GetDC (hwnd);
	PaintDesktop (hdc);
	ReleaseDC (hwnd, hdc);

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height);
	img = gdk_image_get (GTK_WIDGET (xtext)->window, 0, 0, width+128, height);
	xtext->pixmap = win32_tint (xtext, img, img->width, img->height);

#else

	Pixmap rootpix;
	GtkWidget *widget = GTK_WIDGET (xtext);
	int x, y;

	rootpix = get_pixmap_prop (GDK_WINDOW_XDISPLAY (widget->window), GDK_WINDOW_XWINDOW (widget->window));
	if (rootpix == None)
	{
		if (xtext->error_function)
			xtext->error_function (0);
		xtext->transparent = FALSE;
		return;
	}

	gdk_window_get_origin (widget->window, &x, &y);

	if (xtext->shaded)
	{
		int width, height;
		gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height);
		xtext->pixmap = shade_pixmap (xtext, rootpix, x, y, width+105, height);
		if (xtext->pixmap == NULL)
		{
			xtext->shaded = 0;
			goto noshade;
		}
		gdk_gc_set_tile (xtext->bgc, xtext->pixmap);
		gdk_gc_set_ts_origin (xtext->bgc, 0, 0);
		xtext->ts_x = xtext->ts_y = 0;
	} else
	{
noshade:
#if (GTK_MAJOR_VERSION == 2) && (GTK_MINOR_VERSION == 0)
		xtext->pixmap = gdk_pixmap_foreign_new (rootpix);
#else
		xtext->pixmap = gdk_pixmap_foreign_new_for_display (gdk_drawable_get_display (GTK_WIDGET (xtext)->window), rootpix);
#endif
		gdk_gc_set_tile (xtext->bgc, xtext->pixmap);
		gdk_gc_set_ts_origin (xtext->bgc, -x, -y);
		xtext->ts_x = -x;
		xtext->ts_y = -y;
	}
	gdk_gc_set_fill (xtext->bgc, GDK_TILED);
#endif /* !WIN32 */
}

#endif /* ! XLIB || WIN32 */

/* walk through str until this line doesn't fit anymore */

static int
find_next_wrap (GtkXText * xtext, textentry * ent, unsigned char *str,
					 int win_width, int indent)
{
	unsigned char *last_space = str;
	unsigned char *orig_str = str;
	int str_width = indent;
	int rcol = 0, bgcol = 0;
	int hidden = FALSE;
	int mbl;
	int char_width;
	int ret;
	int limit_offset = 0;

	/* single liners */
	if (win_width >= ent->str_width + ent->indent)
		return ent->str_len;

	/* it does happen! */
	if (win_width < 1)
	{
		ret = ent->str_len - (str - ent->str);
		goto done;
	}

	while (1)
	{
		if (rcol > 0 && (isdigit (*str) || (*str == ',' && isdigit (str[1]) && !bgcol)))
		{
			if (str[1] != ',') rcol--;
			if (*str == ',')
			{
				rcol = 2;
				bgcol = 1;
			}
			limit_offset++;
			str++;
		} else
		{
			rcol = bgcol = 0;
			switch (*str)
			{
			case ATTR_COLOR:
				rcol = 2;
			case ATTR_BEEP:
			case ATTR_RESET:
			case ATTR_REVERSE:
			case ATTR_BOLD:
			case ATTR_UNDERLINE:
			case ATTR_ITALICS:
				limit_offset++;
				str++;
				break;
			case ATTR_HIDDEN:
				if (xtext->ignore_hidden)
					goto def;
				hidden = !hidden;
				limit_offset++;
				str++;
				break;
			default:
			def:
				char_width = backend_get_char_width (xtext, str, &mbl);
				if (!hidden) str_width += char_width;
				if (str_width > win_width)
				{
					if (xtext->wordwrap)
					{
						if (str - last_space > WORDWRAP_LIMIT + limit_offset)
							ret = str - orig_str; /* fall back to character wrap */
						else
						{
							if (*last_space == ' ')
								last_space++;
							ret = last_space - orig_str;
							if (ret == 0) /* fall back to character wrap */
								ret = str - orig_str;
						}
						goto done;
					}
					ret = str - orig_str;
					goto done;
				}

				/* keep a record of the last space, for wordwrapping */
				if (is_del (*str))
				{
					last_space = str;
					limit_offset = 0;
				}

				/* progress to the next char */
				str += mbl;

			}
		}

		if (str >= ent->str + ent->str_len)
		{
			ret = str - orig_str;
			goto done;
		}
	}

done:

	/* must make progress */
	if (ret < 1)
		ret = 1;

	return ret;
}

/* find the offset, in bytes, that wrap number 'line' starts at */

static int
gtk_xtext_find_subline (GtkXText *xtext, textentry *ent, int line)
{
	int win_width;
	unsigned char *str;
	int indent, str_pos, line_pos, len;

	if (ent->lines_taken < 2 || line < 1)
		return 0;

	/* we record the first 4 lines' wraps, so take a shortcut */
	if (line <= RECORD_WRAPS)
		return ent->wrap_offset[line - 1];

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &win_width, 0);
	win_width -= MARGIN;

/*	indent = ent->indent;
	str = ent->str;
	line_pos = str_pos = 0;*/

	/* start from the last recorded wrap, and move forward */
	indent = xtext->buffer->indent;
	str_pos = ent->wrap_offset[RECORD_WRAPS-1];
	str = str_pos + ent->str;
	line_pos = RECORD_WRAPS;

	do
	{
		len = find_next_wrap (xtext, ent, str, win_width, indent);
		indent = xtext->buffer->indent;
		str += len;
		str_pos += len;
		line_pos++;
		if (line_pos >= line)
			return str_pos;
	}
	while (str < ent->str + ent->str_len);

	return 0;
}

/* horrible hack for drawing time stamps */

static void
gtk_xtext_render_stamp (GtkXText * xtext, textentry * ent,
								char *text, int len, int line, int win_width)
{
	textentry tmp_ent;
	int jo, ji, hs;
	int xsize, y;

	/* trashing ent here, so make a backup first */
	memcpy (&tmp_ent, ent, sizeof (tmp_ent));
	ent->mb = TRUE;	/* make non-english days of the week work */
	jo = xtext->jump_out_offset;	/* back these up */
	ji = xtext->jump_in_offset;
	hs = xtext->hilight_start;
	xtext->jump_out_offset = 0;
	xtext->jump_in_offset = 0;
	xtext->hilight_start = 0xffff;	/* temp disable */

	if (xtext->mark_stamp)
	{
		/* if this line is marked, mark this stamp too */
		if (ent->mark_start == 0)	
		{
			ent->mark_start = 0;
			ent->mark_end = len;
		}
		else
		{
			ent->mark_start = -1;
			ent->mark_end = -1;
		}
		ent->str = text;
	}

	y = (xtext->fontsize * line) + xtext->font->ascent - xtext->pixel_offset;
	gtk_xtext_render_str (xtext, y, ent, text, len,
								 win_width, 2, line, TRUE, &xsize);

	/* restore everything back to how it was */
	memcpy (ent, &tmp_ent, sizeof (tmp_ent));
	xtext->jump_out_offset = jo;
	xtext->jump_in_offset = ji;
	xtext->hilight_start = hs;

	/* with a non-fixed-width font, sometimes we don't draw enough
		background i.e. when this stamp is shorter than xtext->stamp_width */
	xsize += MARGIN;
	if (xsize < xtext->stamp_width)
	{
		y -= xtext->font->ascent;
		xtext_draw_bg (xtext,
							xsize,	/* x */
							y,			/* y */
							xtext->stamp_width - xsize,	/* width */
							xtext->fontsize					/* height */);
	}
}

/* render a single line, which may wrap to more lines */

static int
gtk_xtext_render_line (GtkXText * xtext, textentry * ent, int line,
							  int lines_max, int subline, int win_width)
{
	unsigned char *str;
	int indent, taken, entline, len, y, start_subline;

	entline = taken = 0;
	str = ent->str;
	indent = ent->indent;
	start_subline = subline;

#ifdef XCHAT
	/* draw the timestamp */
	if (xtext->auto_indent && xtext->buffer->time_stamp &&
		 (!xtext->skip_stamp || xtext->mark_stamp || xtext->force_stamp))
	{
		char *time_str;
		int len;

		len = xtext_get_stamp_str (ent->stamp, &time_str);
		gtk_xtext_render_stamp (xtext, ent, time_str, len, line, win_width);
		g_free (time_str);
	}
#endif

	/* draw each line one by one */
	do
	{
		/* if it's one of the first 4 wraps, we don't need to calculate it, it's
			recorded in ->wrap_offset. This saves us a loop. */
		if (entline < RECORD_WRAPS)
		{
			if (ent->lines_taken < 2)
				len = ent->str_len;
			else
			{
				if (entline > 0)
					len = ent->wrap_offset[entline] - ent->wrap_offset[entline-1];
				else
					len = ent->wrap_offset[0];
			}
		} else
			len = find_next_wrap (xtext, ent, str, win_width, indent);

		entline++;

		y = (xtext->fontsize * line) + xtext->font->ascent - xtext->pixel_offset;
		if (!subline)
		{
			if (!gtk_xtext_render_str (xtext, y, ent, str, len, win_width,
												indent, line, FALSE, NULL))
			{
				/* small optimization */
				gtk_xtext_draw_marker (xtext, ent, y - xtext->fontsize * (taken + start_subline + 1));
				return ent->lines_taken - subline;
			}
		} else
		{
			xtext->dont_render = TRUE;
			gtk_xtext_render_str (xtext, y, ent, str, len, win_width,
										 indent, line, FALSE, NULL);
			xtext->dont_render = FALSE;
			subline--;
			line--;
			taken--;
		}

		indent = xtext->buffer->indent;
		line++;
		taken++;
		str += len;

		if (line >= lines_max)
			break;

	}
	while (str < ent->str + ent->str_len);

	gtk_xtext_draw_marker (xtext, ent, y - xtext->fontsize * (taken + start_subline));

	return taken;
}

void
gtk_xtext_set_palette (GtkXText * xtext, GdkColor palette[])
{
	int i;
	GdkColor col;

	for (i = (XTEXT_COLS-1); i >= 0; i--)
	{
#ifdef USE_XFT
		xtext->color[i].color.red = palette[i].red;
		xtext->color[i].color.green = palette[i].green;
		xtext->color[i].color.blue = palette[i].blue;
		xtext->color[i].color.alpha = 0xffff;
		xtext->color[i].pixel = palette[i].pixel;
#endif
		xtext->palette[i] = palette[i].pixel;
	}

	if (GTK_WIDGET_REALIZED (xtext))
	{
		xtext_set_fg (xtext, xtext->fgc, XTEXT_FG);
		xtext_set_bg (xtext, xtext->fgc, XTEXT_BG);
		xtext_set_fg (xtext, xtext->bgc, XTEXT_BG);

		col.pixel = xtext->palette[XTEXT_MARKER];
		gdk_gc_set_foreground (xtext->marker_gc, &col);
	}
	xtext->col_fore = XTEXT_FG;
	xtext->col_back = XTEXT_BG;
}

static void
gtk_xtext_fix_indent (xtext_buffer *buf)
{
	int j;

	/* make indent a multiple of the space width */
	if (buf->indent && buf->xtext->space_width)
	{
		j = 0;
		while (j < buf->indent)
		{
			j += buf->xtext->space_width;
		}
		buf->indent = j;
	}

	dontscroll (buf);	/* force scrolling off */
}

static void
gtk_xtext_recalc_widths (xtext_buffer *buf, int do_str_width)
{
	textentry *ent;

	/* since we have a new font, we have to recalc the text widths */
	ent = buf->text_first;
	while (ent)
	{
		if (do_str_width)
		{
			ent->str_width = gtk_xtext_text_width (buf->xtext, ent->str,
														ent->str_len, NULL);
		}
		if (ent->left_len != -1)
		{
			ent->indent =
				(buf->indent -
				 gtk_xtext_text_width (buf->xtext, ent->str,
										ent->left_len, NULL)) - buf->xtext->space_width;
			if (ent->indent < MARGIN)
				ent->indent = MARGIN;
		}
		ent = ent->next;
	}

	gtk_xtext_calc_lines (buf, FALSE);
}

int
gtk_xtext_set_font (GtkXText *xtext, char *name)
{
	int i;
	unsigned char c;

	if (xtext->font)
		backend_font_close (xtext);

	/* realize now, so that font_open has a XDisplay */
	gtk_widget_realize (GTK_WIDGET (xtext));

	backend_font_open (xtext, name);
	if (xtext->font == NULL)
		return FALSE;

	/* measure the width of every char;  only the ASCII ones for XFT */
	for (i = 0; i < sizeof(xtext->fontwidth)/sizeof(xtext->fontwidth[0]); i++)
	{
		c = i;
		xtext->fontwidth[i] = backend_get_text_width (xtext, &c, 1, TRUE);
	}
	xtext->space_width = xtext->fontwidth[' '];
	xtext->fontsize = xtext->font->ascent + xtext->font->descent;

#ifdef XCHAT
	{
		char *time_str;
		int stamp_size = xtext_get_stamp_str (time(0), &time_str);
		xtext->stamp_width =
			gtk_xtext_text_width (xtext, time_str, stamp_size, NULL) + MARGIN;
		g_free (time_str);
	}
#endif

	gtk_xtext_fix_indent (xtext->buffer);

	if (GTK_WIDGET_REALIZED (xtext))
		gtk_xtext_recalc_widths (xtext->buffer, TRUE);

	return TRUE;
}

void
gtk_xtext_set_background (GtkXText * xtext, GdkPixmap * pixmap, gboolean trans)
{
	GdkGCValues val;
	gboolean shaded = FALSE;

	if (trans && (xtext->tint_red != 255 || xtext->tint_green != 255 || xtext->tint_blue != 255))
		shaded = TRUE;

#if !defined(USE_XLIB) && !defined(WIN32)
	shaded = FALSE;
	trans = FALSE;
#endif

	if (xtext->pixmap)
	{
#if defined(USE_XLIB) || defined(WIN32)
		if (xtext->transparent)
			gtk_xtext_free_trans (xtext);
		else
#endif
			g_object_unref (xtext->pixmap);
		xtext->pixmap = NULL;
	}

	xtext->transparent = trans;

#if defined(USE_XLIB) || defined(WIN32)
	if (trans)
	{
		xtext->shaded = shaded;
		if (GTK_WIDGET_REALIZED (xtext))
			gtk_xtext_load_trans (xtext);
		return;
	}
#endif

	dontscroll (xtext->buffer);
	xtext->pixmap = pixmap;

	if (pixmap != 0)
	{
		g_object_ref (pixmap);
		if (GTK_WIDGET_REALIZED (xtext))
		{
			gdk_gc_set_tile (xtext->bgc, pixmap);
			gdk_gc_set_ts_origin (xtext->bgc, 0, 0);
			xtext->ts_x = xtext->ts_y = 0;
			gdk_gc_set_fill (xtext->bgc, GDK_TILED);
		}
	} else if (GTK_WIDGET_REALIZED (xtext))
	{
		g_object_unref (xtext->bgc);
		val.subwindow_mode = GDK_INCLUDE_INFERIORS;
		val.graphics_exposures = 0;
		xtext->bgc = gdk_gc_new_with_values (GTK_WIDGET (xtext)->window,
								&val, GDK_GC_EXPOSURES | GDK_GC_SUBWINDOW);
		xtext_set_fg (xtext, xtext->bgc, XTEXT_BG);
	}
}

void
gtk_xtext_save (GtkXText * xtext, int fh)
{
	textentry *ent;
	int newlen;
	char *buf;

	ent = xtext->buffer->text_first;
	while (ent)
	{
		buf = gtk_xtext_strip_color (ent->str, ent->str_len, NULL,
											  &newlen, NULL, NULL, FALSE);
		write (fh, buf, newlen);
		write (fh, "\n", 1);
		free (buf);
		ent = ent->next;
	}
}

/* count how many lines 'ent' will take (with wraps) */

static int
gtk_xtext_lines_taken (xtext_buffer *buf, textentry * ent)
{
	unsigned char *str;
	int indent, taken, len;
	int win_width;

	win_width = buf->window_width - MARGIN;

	if (ent->str_width + ent->indent < win_width)
		return 1;

	indent = ent->indent;
	str = ent->str;
	taken = 0;

	do
	{
		len = find_next_wrap (buf->xtext, ent, str, win_width, indent);
		if (taken < RECORD_WRAPS)
			ent->wrap_offset[taken] = (str + len) - ent->str;
		indent = buf->indent;
		taken++;
		str += len;
	}
	while (str < ent->str + ent->str_len);

	return taken;
}

/* Calculate number of actual lines (with wraps), to set adj->lower. *
 * This should only be called when the window resizes.               */

static void
gtk_xtext_calc_lines (xtext_buffer *buf, int fire_signal)
{
	textentry *ent;
	int width;
	int height;
	int lines;

	gdk_drawable_get_size (GTK_WIDGET (buf->xtext)->window, &width, &height);
	width -= MARGIN;

	if (width < 30 || height < buf->xtext->fontsize || width < buf->indent + 30)
		return;

	lines = 0;
	ent = buf->text_first;
	while (ent)
	{
		ent->lines_taken = gtk_xtext_lines_taken (buf, ent);
		lines += ent->lines_taken;
		ent = ent->next;
	}

	buf->pagetop_ent = NULL;
	buf->num_lines = lines;
	gtk_xtext_adjustment_set (buf, fire_signal);
}

/* find the n-th line in the linked list, this includes wrap calculations */

static textentry *
gtk_xtext_nth (GtkXText *xtext, int line, int *subline)
{
	int lines = 0;
	textentry *ent;

	ent = xtext->buffer->text_first;

	/* -- optimization -- try to make a short-cut using the pagetop ent */
	if (xtext->buffer->pagetop_ent)
	{
		if (line == xtext->buffer->pagetop_line)
		{
			*subline = xtext->buffer->pagetop_subline;
			return xtext->buffer->pagetop_ent;
		}
		if (line > xtext->buffer->pagetop_line)
		{
			/* lets start from the pagetop instead of the absolute beginning */
			ent = xtext->buffer->pagetop_ent;
			lines = xtext->buffer->pagetop_line - xtext->buffer->pagetop_subline;
		}
		else if (line > xtext->buffer->pagetop_line - line)
		{
			/* move backwards from pagetop */
			ent = xtext->buffer->pagetop_ent;
			lines = xtext->buffer->pagetop_line - xtext->buffer->pagetop_subline;
			while (1)
			{
				if (lines <= line)
				{
					*subline = line - lines;
					return ent;
				}
				ent = ent->prev;
				if (!ent)
					break;
				lines -= ent->lines_taken;
			}
			return 0;
		}
	}
	/* -- end of optimization -- */

	while (ent)
	{
		lines += ent->lines_taken;
		if (lines > line)
		{
			*subline = ent->lines_taken - (lines - line);
			return ent;
		}
		ent = ent->next;
	}
	return 0;
}

/* render enta (or an inclusive range enta->entb) */

static int
gtk_xtext_render_ents (GtkXText * xtext, textentry * enta, textentry * entb)
{
	textentry *ent, *orig_ent, *tmp_ent;
	int line;
	int lines_max;
	int width;
	int height;
	int subline;
	int drawing = FALSE;

	if (xtext->buffer->indent < MARGIN)
		xtext->buffer->indent = MARGIN;	  /* 2 pixels is our left margin */

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height);
	width -= MARGIN;

	if (width < 32 || height < xtext->fontsize || width < xtext->buffer->indent + 30)
		return 0;

	lines_max = ((height + xtext->pixel_offset) / xtext->fontsize) + 1;
	line = 0;
	orig_ent = xtext->buffer->pagetop_ent;
	subline = xtext->buffer->pagetop_subline;

	/* used before a complete page is in buffer */
	if (orig_ent == NULL)
		orig_ent = xtext->buffer->text_first;

	/* check if enta is before the start of this page */
	if (entb)
	{
		tmp_ent = orig_ent;
		while (tmp_ent)
		{
			if (tmp_ent == enta)
				break;
			if (tmp_ent == entb)
			{
				drawing = TRUE;
				break;
			}
			tmp_ent = tmp_ent->next;
		}
	}

	ent = orig_ent;
	while (ent)
	{
		if (entb && ent == enta)
			drawing = TRUE;

		if (drawing || ent == entb || ent == enta)
		{
			gtk_xtext_reset (xtext, FALSE, TRUE);
			line += gtk_xtext_render_line (xtext, ent, line, lines_max,
													 subline, width);
			subline = 0;
			xtext->jump_in_offset = 0;	/* jump_in_offset only for the 1st */
		} else
		{
			if (ent == orig_ent)
			{
				line -= subline;
				subline = 0;
			}
			line += ent->lines_taken;
		}

		if (ent == entb)
			break;

		if (line >= lines_max)
			break;

		ent = ent->next;
	}

	/* space below last line */
	return (xtext->fontsize * line) - xtext->pixel_offset;
}

/* render a whole page/window, starting from 'startline' */

static void
gtk_xtext_render_page (GtkXText * xtext)
{
	textentry *ent;
	int line;
	int lines_max;
	int width;
	int height;
	int subline;
	int startline = xtext->adj->value;

	if(!GTK_WIDGET_REALIZED(xtext))
	  return;

	if (xtext->buffer->indent < MARGIN)
		xtext->buffer->indent = MARGIN;	  /* 2 pixels is our left margin */

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height);

	if (width < 34 || height < xtext->fontsize || width < xtext->buffer->indent + 32)
		return;

#ifdef SMOOTH_SCROLL
	xtext->pixel_offset = (xtext->adj->value - startline) * xtext->fontsize;
#else
	xtext->pixel_offset = 0;
#endif

	subline = line = 0;
	ent = xtext->buffer->text_first;

	if (startline > 0)
		ent = gtk_xtext_nth (xtext, startline, &subline);

	xtext->buffer->pagetop_ent = ent;
	xtext->buffer->pagetop_subline = subline;
	xtext->buffer->pagetop_line = startline;

#ifdef SCROLL_HACK
{
	int pos, overlap;
	GdkRectangle area;

	if (xtext->buffer->num_lines <= xtext->adj->page_size)
		dontscroll (xtext->buffer);

#ifdef SMOOTH_SCROLL
	pos = xtext->adj->value * xtext->fontsize;
#else
	pos = startline * xtext->fontsize;
#endif
	overlap = xtext->buffer->last_pixel_pos - pos;
	xtext->buffer->last_pixel_pos = pos;

#ifdef USE_DB
#ifdef WIN32
	if (!xtext->transparent && !xtext->pixmap && abs (overlap) < height)
#else
	if (!xtext->pixmap && abs (overlap) < height)
#endif
#else
	/* dont scroll PageUp/Down without a DB, it looks ugly */
#ifdef WIN32
	if (!xtext->transparent && !xtext->pixmap && abs (overlap) < height - (3*xtext->fontsize))
#else
	if (!xtext->pixmap && abs (overlap) < height - (3*xtext->fontsize))
#endif
#endif
	{
		/* so the obscured regions are exposed */
		gdk_gc_set_exposures (xtext->fgc, TRUE);
		if (overlap < 1)	/* DOWN */
		{
			int remainder;

			gdk_draw_drawable (xtext->draw_buf, xtext->fgc, xtext->draw_buf,
									 0, -overlap, 0, 0, width, height + overlap);
			remainder = ((height - xtext->font->descent) % xtext->fontsize) +
							xtext->font->descent;
			area.y = (height + overlap) - remainder;
			area.height = remainder - overlap;
		} else
		{
			gdk_draw_drawable (xtext->draw_buf, xtext->fgc, xtext->draw_buf,
									 0, 0, 0, overlap, width, height - overlap);
			area.y = 0;
			area.height = overlap;
		}
		gdk_gc_set_exposures (xtext->fgc, FALSE);

		if (area.height > 0)
		{
			area.x = 0;
			area.width = width;
			gtk_xtext_paint (GTK_WIDGET (xtext), &area);
		}
		xtext->buffer->grid_dirty = TRUE;

		return;
	}
}
#endif

	xtext->buffer->grid_dirty = FALSE;
	width -= MARGIN;
	lines_max = ((height + xtext->pixel_offset) / xtext->fontsize) + 1;

	while (ent)
	{
		gtk_xtext_reset (xtext, FALSE, TRUE);
		line += gtk_xtext_render_line (xtext, ent, line, lines_max,
												 subline, width);
		subline = 0;

		if (line >= lines_max)
			break;

		ent = ent->next;
	}

	line = (xtext->fontsize * line) - xtext->pixel_offset;
	/* fill any space below the last line with our background GC */
	xtext_draw_bg (xtext, 0, line, width + MARGIN, height - line);

	/* draw the separator line */
	gtk_xtext_draw_sep (xtext, -1);
}

void
gtk_xtext_refresh (GtkXText * xtext, int do_trans)
{
	if (GTK_WIDGET_REALIZED (GTK_WIDGET (xtext)))
	{
#if defined(USE_XLIB) || defined(WIN32)
		if (xtext->transparent && do_trans)
		{
			gtk_xtext_free_trans (xtext);
			gtk_xtext_load_trans (xtext);
		}
#endif
		gtk_xtext_render_page (xtext);
	}
}

static int
gtk_xtext_kill_ent (xtext_buffer *buffer, textentry *ent)
{
	int visible;

	/* Set visible to TRUE if this is the current buffer */
	/* and this ent shows up on the screen now */
	visible = buffer->xtext->buffer == buffer &&
				 gtk_xtext_check_ent_visibility (buffer->xtext, ent, 0);

	if (ent == buffer->pagetop_ent)
		buffer->pagetop_ent = NULL;

	if (ent == buffer->last_ent_start)
	{
		buffer->last_ent_start = ent->next;
		buffer->last_offset_start = 0;
	}

	if (ent == buffer->last_ent_end)
	{
		buffer->last_ent_start = NULL;
		buffer->last_ent_end = NULL;
	}

	if (buffer->marker_pos == ent) buffer->marker_pos = NULL;

	if (ent->marks)
	{
		gtk_xtext_search_textentry_del (buffer, ent);
	}

	free (ent);
	return visible;
}

/* remove the topline from the list */

static void
gtk_xtext_remove_top (xtext_buffer *buffer)
{
	textentry *ent;

	ent = buffer->text_first;
	if (!ent)
		return;
	buffer->num_lines -= ent->lines_taken;
	buffer->pagetop_line -= ent->lines_taken;
	buffer->last_pixel_pos -= (ent->lines_taken * buffer->xtext->fontsize);
	buffer->text_first = ent->next;
	if (buffer->text_first)
		buffer->text_first->prev = NULL;
	else
		buffer->text_last = NULL;

	buffer->old_value -= ent->lines_taken;
	if (buffer->xtext->buffer == buffer)	/* is it the current buffer? */
	{
		buffer->xtext->adj->value -= ent->lines_taken;
		buffer->xtext->select_start_adj -= ent->lines_taken;
	}

	if (gtk_xtext_kill_ent (buffer, ent))
	{
		if (!buffer->xtext->add_io_tag)
		{
			/* remove scrolling events */
			if (buffer->xtext->io_tag)
			{
				g_source_remove (buffer->xtext->io_tag);
				buffer->xtext->io_tag = 0;
			}
			buffer->xtext->force_render = TRUE;
			buffer->xtext->add_io_tag = g_timeout_add (REFRESH_TIMEOUT * 2,
														(GSourceFunc)
														gtk_xtext_render_page_timeout,
														buffer->xtext);
		}
	}
}

static void
gtk_xtext_remove_bottom (xtext_buffer *buffer)
{
	textentry *ent;

	ent = buffer->text_last;
	if (!ent)
		return;
	buffer->num_lines -= ent->lines_taken;
	buffer->text_last = ent->prev;
	if (buffer->text_last)
		buffer->text_last->next = NULL;
	else
		buffer->text_first = NULL;

	if (gtk_xtext_kill_ent (buffer, ent))
	{
		if (!buffer->xtext->add_io_tag)
		{
			/* remove scrolling events */
			if (buffer->xtext->io_tag)
			{
				g_source_remove (buffer->xtext->io_tag);
				buffer->xtext->io_tag = 0;
			}
			buffer->xtext->force_render = TRUE;
			buffer->xtext->add_io_tag = g_timeout_add (REFRESH_TIMEOUT * 2,
														(GSourceFunc)
														gtk_xtext_render_page_timeout,
														buffer->xtext);
		}
	}
}

/* If lines=0 => clear all */

void
gtk_xtext_clear (xtext_buffer *buf, int lines)
{
	textentry *next;

	if (lines != 0)
	{
		if (lines < 0)
		{
			/* delete lines from bottom */
			lines *= -1;
			while (lines)
			{
				gtk_xtext_remove_bottom (buf);
				lines--;
			}
		}
		else
		{
			/* delete lines from top */
			while (lines)
			{
				gtk_xtext_remove_top (buf);
				lines--;
			}
		}
	}
	else
	{
		/* delete all */
		if (buf->search_found)
			gtk_xtext_search_fini (buf);
		if (buf->xtext->auto_indent)
			buf->indent = MARGIN;
		buf->scrollbar_down = TRUE;
		buf->last_ent_start = NULL;
		buf->last_ent_end = NULL;
		buf->marker_pos = NULL;
		dontscroll (buf);

		while (buf->text_first)
		{
			next = buf->text_first->next;
			free (buf->text_first);
			buf->text_first = next;
		}
		buf->text_last = NULL;
	}

	if (buf->xtext->buffer == buf)
	{
		gtk_xtext_calc_lines (buf, TRUE);
		gtk_xtext_refresh (buf->xtext, 0);
	} else
	{
		gtk_xtext_calc_lines (buf, FALSE);
	}
}

static gboolean
gtk_xtext_check_ent_visibility (GtkXText * xtext, textentry *find_ent, int add)
{
	textentry *ent;
	int lines;
	xtext_buffer *buf = xtext->buffer;
	int width;
	int height;

	if (find_ent == NULL)
	{
		return FALSE;
	}

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height);

	ent = buf->pagetop_ent;
	/* If top line not completely displayed return FALSE */
	if (ent == find_ent && buf->pagetop_subline > 0)
	{
		return FALSE;
	}
	/* Loop through line positions looking for find_ent */
	lines = ((height + xtext->pixel_offset) / xtext->fontsize) + buf->pagetop_subline + add;
	while (ent)	
	{
		lines -= ent->lines_taken;
		if (lines <= 0)
		{
			return FALSE;
		}
		if (ent == find_ent)
		{
			return TRUE;
		}
		ent = ent->next;
	}

	return FALSE;
}

void
gtk_xtext_check_marker_visibility (GtkXText * xtext)
{
	if (gtk_xtext_check_ent_visibility (xtext, xtext->buffer->marker_pos, 1))
		xtext->buffer->marker_seen = TRUE;
}

static void
gtk_xtext_unstrip_color (gint start, gint end, GSList *slp, GList **gl, gint maxo)
{
	gint off1, off2, curlen;
	GSList *cursl;
	offsets_t marks;

	off1 = 0;
	curlen = 0;
	cursl = slp;
	while (cursl)
	{
		offlen_t ol;
		ol.u = GPOINTER_TO_UINT(cursl->data);
		if (start < ol.o.len)
		{
			off1 = ol.o.off + start;
			break;
		}
		curlen += ol.o.len;
		start -= ol.o.len;
		end -= ol.o.len;
		cursl = g_slist_next (cursl);
	}

	off2 = off1;
	while (cursl)
	{
		offlen_t ol;
		ol.u = GPOINTER_TO_UINT(cursl->data);
		if (end < ol.o.len)
		{
			off2 = ol.o.off + end;
			break;
		}
		curlen += ol.o.len;
		end -= ol.o.len;
		cursl = g_slist_next (cursl);
	}
	if (!cursl)
	{
		off2 = maxo;
	}

	marks.o.start = off1;
	marks.o.end = off2;
	*gl = g_list_append (*gl, GUINT_TO_POINTER (marks.u));
}

/* Search a single textentry for occurrence(s) of search arg string */
static void
gtk_xtext_search_textentry (xtext_buffer *buf, textentry *ent, int pre)
{
	gchar *str;								/* text string to be searched */
	GList *gl = NULL;
	GSList *slp;
	gint lstr;

	if (buf->search_text == NULL)
	{
		return;
	}

	str = gtk_xtext_strip_color (ent->str, ent->str_len, buf->xtext->scratch_buffer,
										  &lstr, NULL, &slp, !buf->xtext->ignore_hidden);

	/* Regular-expression matching --- */
	if (buf->search_flags & regexp)
	{
		GMatchInfo *gmi;
		gint start, end;

		if (buf->search_re == NULL)
		{
			return;
		}
		g_regex_match (buf->search_re, str, 0, &gmi);
		while (g_match_info_matches (gmi))
		{
			g_match_info_fetch_pos (gmi, 0,  &start, &end);
			gtk_xtext_unstrip_color (start, end, slp, &gl, ent->str_len);
			g_match_info_next (gmi, NULL);
		}
		g_match_info_free (gmi);

	/* Non-regular-expression matching --- */
	} else {
		gchar *hay, *pos;
		gint lhay, off, len;
		gint match = buf->search_flags & case_match;

		hay = match? g_strdup (str): g_utf8_casefold (str, lstr);
		lhay = strlen (hay);
		off = 0;

		for (pos = hay, len = lhay; len;
			  off += buf->search_lnee, pos = hay + off, len = lhay - off)
		{
			str = g_strstr_len (pos, len, buf->search_nee);
			if (str == NULL)
			{
				break;
			}
			off = str - hay;
			gtk_xtext_unstrip_color (off, off + buf->search_lnee,
											 slp, &gl, ent->str_len);
		}

		g_free (hay);
	}

	/* Common processing --- */
	g_slist_free (slp);
	ent->marks = gl;
	if (gl)
	{
		buf->search_found = (pre? g_list_prepend: g_list_append) (buf->search_found, ent);
		if (pre == FALSE && buf->hintsearch == NULL)
		{
			buf->hintsearch = ent;
		}
	}
	return;
}

/* Free all search information for a textentry */
static void
gtk_xtext_search_textentry_del (xtext_buffer *buf, textentry *ent)
{
	g_list_free (ent->marks);
	ent->marks = NULL;
	if (buf->cursearch && buf->cursearch->data == ent)
	{
		buf->cursearch = NULL;
		buf->curmark = NULL;
	}
	if (buf->pagetop_ent == ent)
	{
		buf->pagetop_ent = NULL;
	}
	if (buf->hintsearch == ent)
	{
		buf->hintsearch = NULL;
	}
	buf->search_found = g_list_remove (buf->search_found, ent);
}

/* Used only by glist_foreach */
static void
gtk_xtext_search_textentry_fini (gpointer entp, gpointer dummy)
{
	textentry *ent = entp;

	g_list_free (ent->marks);
	ent->marks = NULL;
}

/* Free all search information for all textentrys and the xtext_buffer */
static void
gtk_xtext_search_fini (xtext_buffer *buf)
{
	g_list_foreach (buf->search_found, gtk_xtext_search_textentry_fini, 0);
	g_list_free (buf->search_found);
	buf->search_found = NULL;
	g_free (buf->search_text);
	buf->search_text = NULL;
	g_free (buf->search_nee);
	buf->search_nee = NULL;
	buf->search_flags = 0;
	buf->cursearch = NULL;
	buf->curmark = NULL;
	if (buf->search_re)
	{
		g_regex_unref (buf->search_re);
		buf->search_re = NULL;
	}
}

/* Returns TRUE if the base search information exists and is still okay to use */
static gboolean
gtk_xtext_search_init (xtext_buffer *buf, const gchar *text, gtk_xtext_search_flags flags, GError **perr)
{
	/* Of the five flags, backward and highlight_all do not need a new search */
	if (buf->search_found &&
		 strcmp (buf->search_text, text) == 0 &&
		 (buf->search_flags & case_match) == (flags & case_match) &&
		 (buf->search_flags & follow) == (flags & follow) &&
		 (buf->search_flags & regexp) == (flags & regexp))
	{
		return TRUE;
	}
	buf->hintsearch = buf->cursearch? buf->cursearch->data: NULL;
	gtk_xtext_search_fini (buf);
	buf->search_text = g_strdup (text);
	if (flags & regexp)
	{
		buf->search_re = g_regex_new (text, (flags & case_match)? 0: G_REGEX_CASELESS, 0, perr);
		if (perr && *perr)
		{
			return FALSE;
		}
	}
	else
	{
		if (flags & case_match)
		{
			buf->search_nee = g_strdup (text);
		}
		else
		{
			buf->search_nee = g_utf8_casefold (text, strlen (text));
		}
		buf->search_lnee = strlen (buf->search_nee);
	}
	buf->search_flags = flags;
	buf->cursearch = NULL;
	buf->curmark = NULL;
	return FALSE;
}

#define BACKWARD (flags & backward)
#define FIRSTLAST(lp)  (BACKWARD? g_list_last(lp): g_list_first(lp))
#define NEXTPREVIOUS(lp) (BACKWARD? g_list_previous(lp): g_list_next(lp))
textentry *
gtk_xtext_search (GtkXText * xtext, const gchar *text, gtk_xtext_search_flags flags, GError **perr)
{
	textentry *ent = NULL;
	xtext_buffer *buf = xtext->buffer;
	GList *gl;

	if (buf->text_first == NULL)
	{
		return NULL;
	}

	/* If the text arg is NULL, one of these has been toggled: highlight follow */
	if (text == NULL)		/* Here on highlight or follow toggle */
	{
		gint oldfollow = buf->search_flags & follow;
		gint newfollow = flags & follow;

		/* If "Follow" has just been checked, search possible new textentries --- */
		if (newfollow && (newfollow != oldfollow))
		{
			gl = g_list_last (buf->search_found);
			ent = gl? gl->data: buf->text_first;
			for (; ent; ent = ent->next)
			{
				gtk_xtext_search_textentry (buf, ent, FALSE);
			}
		}
		buf->search_flags = flags;
		ent = buf->pagetop_ent;
	}

	/* if the text arg is "", the reset button has been clicked or Control-Shift-F has been hit */
	else if (text[0] == 0)		/* Let a null string do a reset. */
	{
		gtk_xtext_search_fini (buf);
	}

	/* If the text arg is neither NULL nor "", it's the search string */
	else
	{
		if (gtk_xtext_search_init (buf, text, flags, perr) == FALSE)	/* If a new search: */
		{
			if (perr && *perr)
			{
				return NULL;
			}
			for (ent = buf->text_first; ent; ent = ent->next)
			{
				gtk_xtext_search_textentry (buf, ent, TRUE);
			}
			buf->search_found = g_list_reverse (buf->search_found);
		}

		/* Now base search results are in place. */

		if (buf->search_found)
		{
			/* If we're in the midst of moving among found items */
			if (buf->cursearch)
			{
				ent = buf->cursearch->data;
				buf->curmark = NEXTPREVIOUS (buf->curmark);
				if (buf->curmark == NULL)
				{
					/* We've returned all the matches for this textentry. */
					buf->cursearch = NEXTPREVIOUS (buf->cursearch);
					if (buf->cursearch)
					{
						ent = buf->cursearch->data;
						buf->curmark = FIRSTLAST (ent->marks);
					}
					else	/* We've returned all the matches for all textentries */
					{
						ent = NULL;
					}
				}
			}
#if 0
			/* If user changed the search, let's look starting where he was */
			else if (buf->hintsearch)
			{
				for (ent = buf->hintsearch; ent; ent = BACKWARD? ent->prev: ent->next)
					if (ent->marks)
						break;
				if (ent == NULL)
					for (ent = buf->hintsearch; ent; ent = BACKWARD? ent->next: ent->prev)
						if (ent->marks)
							break;
				if (ent)
				{
					buf->cursearch = g_list_find (buf->search_found, ent);
					buf->curmark = FIRSTLAST (ent->marks);
				}
			}
#endif
			/* This is a fresh search */
			else
			{
				buf->cursearch = FIRSTLAST (buf->search_found);
				ent = buf->cursearch->data;
				buf->curmark = FIRSTLAST (ent->marks);
			}
		}
	}
	buf->hintsearch = ent;

	if (!gtk_xtext_check_ent_visibility (xtext, ent, 1))
	{
		GtkAdjustment *adj = xtext->adj;
		float value;

		buf->pagetop_ent = NULL;
		for (value = 0, ent = buf->text_first;
			  ent && ent != buf->hintsearch; ent = ent->next)
		{
			value += ent->lines_taken;
		}
		if (value > adj->upper - adj->page_size)
		{
			value = adj->upper - adj->page_size;
		}
		else if ((flags & backward)  && ent)
		{
			value -= adj->page_size - ent->lines_taken;
			if (value < 0)
			{
				value = 0;
			}
		}
		gtk_adjustment_set_value (adj, value);
	}

	gtk_widget_queue_draw (GTK_WIDGET (xtext));

	return buf->hintsearch;
}
#undef BACKWARD
#undef FIRSTLAST
#undef NEXTPREVIOUS

static int
gtk_xtext_render_page_timeout (GtkXText * xtext)
{
	GtkAdjustment *adj = xtext->adj;

	xtext->add_io_tag = 0;

	/* less than a complete page? */
	if (xtext->buffer->num_lines <= adj->page_size)
	{
		xtext->buffer->old_value = 0;
		adj->value = 0;
		gtk_xtext_render_page (xtext);
	} else if (xtext->buffer->scrollbar_down)
	{
		g_signal_handler_block (xtext->adj, xtext->vc_signal_tag);
		gtk_xtext_adjustment_set (xtext->buffer, FALSE);
		gtk_adjustment_set_value (adj, adj->upper - adj->page_size);
		g_signal_handler_unblock (xtext->adj, xtext->vc_signal_tag);
		xtext->buffer->old_value = adj->value;
		gtk_xtext_render_page (xtext);
	} else
	{
		gtk_xtext_adjustment_set (xtext->buffer, TRUE);
		if (xtext->force_render)
		{
			xtext->force_render = FALSE;
			gtk_xtext_render_page (xtext);
		}
	}

	return 0;
}

/* append a textentry to our linked list */

static void
gtk_xtext_append_entry (xtext_buffer *buf, textentry * ent, time_t stamp)
{
	unsigned int mb;
	int i;

	/* we don't like tabs */
	i = 0;
	while (i < ent->str_len)
	{
		if (ent->str[i] == '\t')
			ent->str[i] = ' ';
		i++;
	}

	ent->stamp = stamp;
	if (stamp == 0)
		ent->stamp = time (0);
	ent->str_width = gtk_xtext_text_width (buf->xtext, ent->str, ent->str_len, &mb);
	ent->mb = FALSE;
	if (mb)
		ent->mb = TRUE;
	ent->mark_start = -1;
	ent->mark_end = -1;
	ent->next = NULL;
	ent->marks = NULL;

	if (ent->indent < MARGIN)
		ent->indent = MARGIN;	  /* 2 pixels is the left margin */

	/* append to our linked list */
	if (buf->text_last)
		buf->text_last->next = ent;
	else
		buf->text_first = ent;
	ent->prev = buf->text_last;
	buf->text_last = ent;

	ent->lines_taken = gtk_xtext_lines_taken (buf, ent);
	buf->num_lines += ent->lines_taken;

	if (buf->reset_marker_pos || 
		((buf->marker_pos == NULL || buf->marker_seen) && (buf->xtext->buffer != buf || 
#if GTK_CHECK_VERSION(2,4,0)
		!gtk_window_has_toplevel_focus (GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (buf->xtext))))
#else
		!(GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (buf->xtext))))->has_focus
#endif
	   )))
	{
		buf->marker_pos = ent;
		dontscroll (buf); /* force scrolling off */
		buf->marker_seen = FALSE;
		buf->reset_marker_pos = FALSE;
	}

	if (buf->xtext->max_lines > 2 && buf->xtext->max_lines < buf->num_lines)
	{
		gtk_xtext_remove_top (buf);
	}

	if (buf->xtext->buffer == buf)
	{
#ifdef SCROLL_HACK
		/* this could be improved */
		if ((buf->num_lines - 1) <= buf->xtext->adj->page_size)
			dontscroll (buf);
#endif

		if (!buf->xtext->add_io_tag)
		{
			/* remove scrolling events */
			if (buf->xtext->io_tag)
			{
				g_source_remove (buf->xtext->io_tag);
				buf->xtext->io_tag = 0;
			}
			buf->xtext->add_io_tag = g_timeout_add (REFRESH_TIMEOUT * 2,
															(GSourceFunc)
															gtk_xtext_render_page_timeout,
															buf->xtext);
		}
	} else if (buf->scrollbar_down)
	{
		buf->old_value = buf->num_lines - buf->xtext->adj->page_size;
		if (buf->old_value < 0)
			buf->old_value = 0;
	}
	if (buf->search_flags & follow)
	{
		gtk_xtext_search_textentry (buf, ent, FALSE);
	}
}

/* the main two public functions */

void
gtk_xtext_append_indent (xtext_buffer *buf,
								 unsigned char *left_text, int left_len,
								 unsigned char *right_text, int right_len,
								 time_t stamp)
{
	textentry *ent;
	unsigned char *str;
	int space;
	int tempindent;
	int left_width;

	if (left_len == -1)
		left_len = strlen (left_text);

	if (right_len == -1)
		right_len = strlen (right_text);

	if (right_len >= sizeof (buf->xtext->scratch_buffer))
		right_len = sizeof (buf->xtext->scratch_buffer) - 1;

	if (right_text[right_len-1] == '\n')
		right_len--;

	ent = malloc (left_len + right_len + 2 + sizeof (textentry));
	str = (unsigned char *) ent + sizeof (textentry);

	memcpy (str, left_text, left_len);
	str[left_len] = ' ';
	memcpy (str + left_len + 1, right_text, right_len);
	str[left_len + 1 + right_len] = 0;

	left_width = gtk_xtext_text_width (buf->xtext, left_text, left_len, NULL);

	ent->left_len = left_len;
	ent->str = str;
	ent->str_len = left_len + 1 + right_len;
	ent->indent = (buf->indent - left_width) - buf->xtext->space_width;

	if (buf->time_stamp)
		space = buf->xtext->stamp_width;
	else
		space = 0;

	/* do we need to auto adjust the separator position? */
	if (buf->xtext->auto_indent && ent->indent < MARGIN + space)
	{
		tempindent = MARGIN + space + buf->xtext->space_width + left_width;

		if (tempindent > buf->indent)
			buf->indent = tempindent;

		if (buf->indent > buf->xtext->max_auto_indent)
			buf->indent = buf->xtext->max_auto_indent;

		gtk_xtext_fix_indent (buf);
		gtk_xtext_recalc_widths (buf, FALSE);

		ent->indent = (buf->indent - left_width) - buf->xtext->space_width;
		buf->xtext->force_render = TRUE;
	}

	gtk_xtext_append_entry (buf, ent, stamp);
}

void
gtk_xtext_append (xtext_buffer *buf, unsigned char *text, int len)
{
	textentry *ent;

	if (len == -1)
		len = strlen (text);

	if (text[len-1] == '\n')
		len--;

	if (len >= sizeof (buf->xtext->scratch_buffer))
		len = sizeof (buf->xtext->scratch_buffer) - 1;

	ent = malloc (len + 1 + sizeof (textentry));
	ent->str = (unsigned char *) ent + sizeof (textentry);
	ent->str_len = len;
	if (len)
		memcpy (ent->str, text, len);
	ent->str[len] = 0;
	ent->indent = 0;
	ent->left_len = -1;

	gtk_xtext_append_entry (buf, ent, 0);
}

gboolean
gtk_xtext_is_empty (xtext_buffer *buf)
{
	return buf->text_first == NULL;
}

int
gtk_xtext_lastlog (xtext_buffer *out, xtext_buffer *search_area,
						 int (*cmp_func) (char *, void *), void *userdata)
{
	textentry *ent = search_area->text_first;
	int matches = 0;

	while (ent)
	{
		if (cmp_func (ent->str, userdata))
		{
			matches++;
			/* copy the text over */
			if (search_area->xtext->auto_indent)
				gtk_xtext_append_indent (out, ent->str, ent->left_len,
												 ent->str + ent->left_len + 1,
												 ent->str_len - ent->left_len - 1, 0);
			else
				gtk_xtext_append (out, ent->str, ent->str_len);
			/* copy the timestamp over */
			out->text_last->stamp = ent->stamp;
		}
		ent = ent->next;
	}

	return matches;
}

void
gtk_xtext_foreach (xtext_buffer *buf, GtkXTextForeach func, void *data)
{
	textentry *ent = buf->text_first;

	while (ent)
	{
		(*func) (buf->xtext, ent->str, data);
		ent = ent->next;
	}
}

void
gtk_xtext_set_error_function (GtkXText *xtext, void (*error_function) (int))
{
	xtext->error_function = error_function;
}

void
gtk_xtext_set_indent (GtkXText *xtext, gboolean indent)
{
	xtext->auto_indent = indent;
}

void
gtk_xtext_set_max_indent (GtkXText *xtext, int max_auto_indent)
{
	xtext->max_auto_indent = max_auto_indent;
}

void
gtk_xtext_set_max_lines (GtkXText *xtext, int max_lines)
{
	xtext->max_lines = max_lines;
}

void
gtk_xtext_set_show_marker (GtkXText *xtext, gboolean show_marker)
{
	xtext->marker = show_marker;
}

void
gtk_xtext_set_show_separator (GtkXText *xtext, gboolean show_separator)
{
	xtext->separator = show_separator;
}

void
gtk_xtext_set_thin_separator (GtkXText *xtext, gboolean thin_separator)
{
	xtext->thinline = thin_separator;
}

void
gtk_xtext_set_time_stamp (xtext_buffer *buf, gboolean time_stamp)
{
	buf->time_stamp = time_stamp;
}

void
gtk_xtext_set_tint (GtkXText *xtext, int tint_red, int tint_green, int tint_blue)
{
	xtext->tint_red = tint_red;
	xtext->tint_green = tint_green;
	xtext->tint_blue = tint_blue;

	/*if (xtext->tint_red != 255 || xtext->tint_green != 255 || xtext->tint_blue != 255)
		shaded = TRUE;*/
}

void
gtk_xtext_set_urlcheck_function (GtkXText *xtext, int (*urlcheck_function) (GtkWidget *, char *, int))
{
	xtext->urlcheck_function = urlcheck_function;
}

void
gtk_xtext_set_wordwrap (GtkXText *xtext, gboolean wordwrap)
{
	xtext->wordwrap = wordwrap;
}

void
gtk_xtext_reset_marker_pos (GtkXText *xtext)
{
	xtext->buffer->marker_pos = NULL;
	dontscroll (xtext->buffer); /* force scrolling off */
	gtk_xtext_render_page (xtext);
	xtext->buffer->reset_marker_pos = TRUE;
}

void
gtk_xtext_buffer_show (GtkXText *xtext, xtext_buffer *buf, int render)
{
	int w, h;

	buf->xtext = xtext;

	if (xtext->buffer == buf)
		return;

/*printf("text_buffer_show: xtext=%p buffer=%p\n", xtext, buf);*/

	if (xtext->add_io_tag)
	{
		g_source_remove (xtext->add_io_tag);
		xtext->add_io_tag = 0;
	}

	if (xtext->io_tag)
	{
		g_source_remove (xtext->io_tag);
		xtext->io_tag = 0;
	}

	if (!GTK_WIDGET_REALIZED (GTK_WIDGET (xtext)))
		gtk_widget_realize (GTK_WIDGET (xtext));

	gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &w, &h);

	/* after a font change */
	if (buf->needs_recalc)
	{
		buf->needs_recalc = FALSE;
		gtk_xtext_recalc_widths (buf, TRUE);
	}

	/* now change to the new buffer */
	xtext->buffer = buf;
	dontscroll (buf);	/* force scrolling off */
	xtext->adj->value = buf->old_value;
	xtext->adj->upper = buf->num_lines;
	if (xtext->adj->upper == 0)
		xtext->adj->upper = 1;
	/* sanity check */
	else if (xtext->adj->value > xtext->adj->upper - xtext->adj->page_size)
	{
		/*buf->pagetop_ent = NULL;*/
		xtext->adj->value = xtext->adj->upper - xtext->adj->page_size;
		if (xtext->adj->value < 0)
			xtext->adj->value = 0;
	}

	if (render)
	{
		/* did the window change size since this buffer was last shown? */
		if (buf->window_width != w)
		{
			buf->window_width = w;
			gtk_xtext_calc_lines (buf, FALSE);
			if (buf->scrollbar_down)
				gtk_adjustment_set_value (xtext->adj, xtext->adj->upper -
												  xtext->adj->page_size);
		} else if (buf->window_height != h)
		{
			buf->window_height = h;
			buf->pagetop_ent = NULL;
			gtk_xtext_adjustment_set (buf, FALSE);
		}

		gtk_xtext_render_page (xtext);
		gtk_adjustment_changed (xtext->adj);
	} else
	{
		/* avoid redoing the transparency */
		xtext->avoid_trans = TRUE;
	}
}

xtext_buffer *
gtk_xtext_buffer_new (GtkXText *xtext)
{
	xtext_buffer *buf;

	buf = malloc (sizeof (xtext_buffer));
	memset (buf, 0, sizeof (xtext_buffer));
	buf->old_value = -1;
	buf->xtext = xtext;
	buf->scrollbar_down = TRUE;
	buf->indent = xtext->space_width * 2;
	dontscroll (buf);

	return buf;
}

void
gtk_xtext_buffer_free (xtext_buffer *buf)
{
	textentry *ent, *next;

	if (buf->xtext->buffer == buf)
		buf->xtext->buffer = buf->xtext->orig_buffer;

	if (buf->xtext->selection_buffer == buf)
		buf->xtext->selection_buffer = NULL;

	if (buf->search_found)
	{
		gtk_xtext_search_fini (buf);
	}

	ent = buf->text_first;
	while (ent)
	{
		next = ent->next;
		free (ent);
		ent = next;
	}

	free (buf);
}