diff options
Diffstat (limited to 'src/fe-gtk/xtext.c')
| -rw-r--r-- | src/fe-gtk/xtext.c | 800 |
1 files changed, 669 insertions, 131 deletions
diff --git a/src/fe-gtk/xtext.c b/src/fe-gtk/xtext.c index 3bc9b6a8..2899ba68 100644 --- a/src/fe-gtk/xtext.c +++ b/src/fe-gtk/xtext.c @@ -65,6 +65,11 @@ #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" #include "../common/xchat.h" #include "../common/xchatc.h" @@ -92,6 +97,20 @@ 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; @@ -111,6 +130,7 @@ struct textentry guchar tag; guchar pad1; guchar pad2; /* 32-bit align : 44 bytes total */ + GList *marks; /* List of found strings */ }; enum @@ -149,11 +169,25 @@ 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, int strip_hidden); + 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 */ @@ -770,9 +804,8 @@ gtk_xtext_adjustment_set (xtext_buffer *buf, int fire_signal) if (adj->upper == 0) adj->upper = 1; - adj->page_size = - (GTK_WIDGET (buf->xtext)->allocation.height - - buf->xtext->font->descent) / buf->xtext->fontsize; + 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) @@ -1100,6 +1133,7 @@ gtk_xtext_size_allocate (GtkWidget * widget, GtkAllocation * allocation) xtext->avoid_trans = FALSE; + allocation->height = allocation->height / xtext->fontsize * xtext->fontsize; widget->allocation = *allocation; if (GTK_WIDGET_REALIZED (widget)) { @@ -1129,18 +1163,6 @@ gtk_xtext_size_allocate (GtkWidget * widget, GtkAllocation * allocation) } } -static void -gtk_xtext_selection_clear_full (xtext_buffer *buf) -{ - textentry *ent = buf->text_first; - while (ent) - { - ent->mark_start = -1; - ent->mark_end = -1; - ent = ent->next; - } -} - static int gtk_xtext_selection_clear (xtext_buffer *buf) { @@ -1724,13 +1746,6 @@ gtk_xtext_selection_draw (GtkXText * xtext, GdkEventMotion * event, gboolean ren offset_end = tmp; } - /* has the selection changed? Dont render unless necessary */ - if (xtext->buffer->last_ent_start == ent_start && - xtext->buffer->last_ent_end == ent_end && - xtext->buffer->last_offset_start == offset_start && - xtext->buffer->last_offset_end == offset_end) - return; - /* set all the old mark_ fields to -1 */ gtk_xtext_selection_clear (xtext->buffer); @@ -1760,10 +1775,24 @@ gtk_xtext_selection_draw (GtkXText * xtext, GdkEventMotion * event, gboolean ren 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); @@ -1771,13 +1800,30 @@ gtk_xtext_scrolldown_timeout (GtkXText * xtext) if (p_y > win_height && xtext->adj->value < (xtext->adj->upper - xtext->adj->page_size)) { - xtext->adj->value++; - gtk_adjustment_changed (xtext->adj); - gtk_xtext_render_page (xtext); - return 1; + 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; } - xtext->scroll_tag = 0; return 0; } @@ -1785,18 +1831,35 @@ 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 && xtext->adj->value > 0.0) + if (p_y < 0 && adj->value >= 0) { - xtext->adj->value--; - gtk_adjustment_changed (xtext->adj); - gtk_xtext_render_page (xtext); - return 1; + 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; } - xtext->scroll_tag = 0; return 0; } @@ -1806,35 +1869,32 @@ gtk_xtext_selection_update (GtkXText * xtext, GdkEventMotion * event, int p_y, g 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) { - if (!xtext->scroll_tag) - xtext->scroll_tag = g_timeout_add (100, - (GSourceFunc) - gtk_xtext_scrollup_timeout, - xtext); - return; + gtk_xtext_scrollup_timeout (xtext); } /* selecting past bottom of window, scroll down! */ - if (p_y > win_height && + else if (p_y > win_height && xtext->adj->value < (xtext->adj->upper - xtext->adj->page_size)) { - if (!xtext->scroll_tag) - xtext->scroll_tag = g_timeout_add (100, - (GSourceFunc) - gtk_xtext_scrolldown_timeout, - xtext); - return; + 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); } - - 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 * @@ -1890,7 +1950,7 @@ gtk_xtext_get_word (GtkXText * xtext, int x, int y, textentry ** ret_ent, if (ret_len) *ret_len = str - word; - return gtk_xtext_strip_color (word, len, xtext->scratch_buffer, NULL, NULL, FALSE); + return gtk_xtext_strip_color (word, len, xtext->scratch_buffer, NULL, NULL, NULL, FALSE); } #ifdef MOTION_MONITOR @@ -2190,6 +2250,11 @@ gtk_xtext_button_release (GtkWidget * widget, GdkEventButton * event) 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);*/ @@ -2416,7 +2481,7 @@ gtk_xtext_selection_get_text (GtkXText *xtext, int *len_ret) len = strlen (txt); } else { - stripped = gtk_xtext_strip_color (txt, strlen (txt), NULL, &len, 0, FALSE); + stripped = gtk_xtext_strip_color (txt, strlen (txt), NULL, &len, NULL, NULL, FALSE); free (txt); } @@ -2456,12 +2521,14 @@ gtk_xtext_selection_get (GtkWidget * widget, #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), -#endif 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); @@ -2576,19 +2643,26 @@ gtk_xtext_get_type (void) static unsigned char * gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf, - int *newlen, int *mb_ret, int strip_hidden) + 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) @@ -2622,12 +2696,32 @@ gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf, 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; @@ -2637,9 +2731,15 @@ gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf, 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 * @@ -2743,7 +2843,7 @@ gtk_xtext_text_width (GtkXText *xtext, unsigned char *text, int len, int new_len, mb; new_buf = gtk_xtext_strip_color (text, len, xtext->scratch_buffer, - &new_len, &mb, !xtext->ignore_hidden); + &new_len, &mb, NULL, !xtext->ignore_hidden); if (mb_ret) *mb_ret = mb; @@ -2909,6 +3009,63 @@ gtk_xtext_reset (GtkXText * xtext, int mark, int attribs) 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 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 @@ -2923,6 +3080,9 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent, int offset; int mark = FALSE; int ret = 1; + int k; + int srch_underline = FALSE; + int srch_mark = FALSE; xtext->in_hilight = FALSE; @@ -3074,6 +3234,50 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent, } } + 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': @@ -3223,6 +3427,11 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent, 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; } @@ -3245,7 +3454,7 @@ gtk_xtext_render_str (GtkXText * xtext, int y, textentry * ent, if (j) x += gtk_xtext_render_flush (xtext, x, y, pstr, j, gc, ent->mb); - if (mark) + if (mark || srch_mark) { xtext_set_bg (xtext, gc, xtext->col_back); xtext_set_fg (xtext, gc, xtext->col_fore); @@ -4413,7 +4622,7 @@ gtk_xtext_save (GtkXText * xtext, int fh) while (ent) { buf = gtk_xtext_strip_color (ent->str, ent->str_len, NULL, - &newlen, NULL, FALSE); + &newlen, NULL, NULL, FALSE); write (fh, buf, newlen); write (fh, "\n", 1); free (buf); @@ -4800,6 +5009,11 @@ gtk_xtext_kill_ent (xtext_buffer *buffer, textentry *ent) if (buffer->marker_pos == ent) buffer->marker_pos = NULL; + if (ent->marks) + { + gtk_xtext_search_textentry_del (buffer, ent); + } + free (ent); return visible; } @@ -4864,7 +5078,23 @@ gtk_xtext_remove_bottom (xtext_buffer *buffer) else buffer->text_first = NULL; - gtk_xtext_kill_ent (buffer, ent); + 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 */ @@ -4899,6 +5129,8 @@ gtk_xtext_clear (xtext_buffer *buf, int 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; @@ -4930,21 +5162,37 @@ static gboolean gtk_xtext_check_ent_visibility (GtkXText * xtext, textentry *find_ent, int add) { textentry *ent; - int lines_max; - int line = 0; + int lines; + xtext_buffer *buf = xtext->buffer; int width; int height; - gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height); + if (find_ent == NULL) + { + return FALSE; + } - lines_max = ((height + xtext->pixel_offset) / xtext->fontsize) + add; - ent = xtext->buffer->pagetop_ent; + gdk_drawable_get_size (GTK_WIDGET (xtext)->window, &width, &height); - while (ent && line < lines_max) + ent = buf->pagetop_ent; + /* If top line not completely displayed return FALSE */ + if (ent == find_ent && buf->pagetop_subline > 0) { - if (find_ent == ent) + 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; - line += ent->lines_taken; + } ent = ent->next; } @@ -4958,90 +5206,369 @@ gtk_xtext_check_marker_visibility (GtkXText * xtext) xtext->buffer->marker_seen = TRUE; } -textentry * -gtk_xtext_search (GtkXText * xtext, const gchar *text, textentry *start, gboolean case_match, gboolean backward) +static void +gtk_xtext_unstrip_color (gint start, gint end, GSList *slp, GList **gl, gint maxo) { - textentry *ent, *fent; - int line; - gchar *str, *nee, *hay; /* needle in haystack */ - - gtk_xtext_selection_clear_full (xtext->buffer); - xtext->buffer->last_ent_start = NULL; - xtext->buffer->last_ent_end = NULL; + gint off1, off2, curlen; + GSList *cursl; + offsets_t marks; - /* set up text comparand for Case Match or Ignore */ - if (case_match) - nee = g_strdup (text); - else - nee = g_utf8_casefold (text, strlen (text)); + 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); + } - /* Validate that start gives a currently valid ent pointer */ - ent = xtext->buffer->text_first; - while (ent) + off2 = off1; + while (cursl) { - if (ent == start) + offlen_t ol; + ol.u = GPOINTER_TO_UINT(cursl->data); + if (end < ol.o.len) + { + off2 = ol.o.off + end; break; - ent = ent->next; + } + curlen += ol.o.len; + end -= ol.o.len; + cursl = g_slist_next (cursl); + } + if (!cursl) + { + off2 = maxo; } - if (!ent) - start = NULL; - /* Choose first ent to look at */ - if (start) - ent = backward? start->prev: start->next; - else - ent = backward? xtext->buffer->text_last: xtext->buffer->text_first; + marks.o.start = off1; + marks.o.end = off2; + *gl = g_list_append (*gl, GUINT_TO_POINTER (marks.u)); +} - /* Search from there to one end or the other until found */ - while (ent) +/* 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) { - /* If Case Ignore, fold before & free after calling strstr */ - if (case_match) - hay = g_strdup (ent->str); - else - hay = g_utf8_casefold (ent->str, strlen (ent->str)); - /* Try to find the needle in this haystack */ - str = g_strstr_len (hay, strlen (hay), nee); + 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); - if (str) - break; - ent = backward? ent->prev: ent->next; } - fent = ent; - /* Save distance to start, end of found string */ - if (ent) + /* 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 */ { - ent->mark_start = str - hay; - ent->mark_end = ent->mark_start + strlen (nee); + gint oldfollow = buf->search_flags & follow; + gint newfollow = flags & follow; - /* is the match visible? Might need to scroll */ - if (!gtk_xtext_check_ent_visibility (xtext, ent, 0)) + /* If "Follow" has just been checked, search possible new textentries --- */ + if (newfollow && (newfollow != oldfollow)) { - ent = xtext->buffer->text_first; - line = 0; - while (ent) + gl = g_list_last (buf->search_found); + ent = gl? gl->data: buf->text_first; + for (; ent; ent = ent->next) { - line += ent->lines_taken; - ent = ent->next; - if (ent == fent) - break; + 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; } - while (line > xtext->adj->upper - xtext->adj->page_size) - line--; - if (backward) - line -= xtext->adj->page_size - ent->lines_taken; - xtext->adj->value = line; - xtext->buffer->scrollbar_down = FALSE; - gtk_adjustment_changed (xtext->adj); } + gtk_adjustment_set_value (adj, value); } - g_free (nee); gtk_widget_queue_draw (GTK_WIDGET (xtext)); - return fent; + return buf->hintsearch; } +#undef BACKWARD +#undef FIRSTLAST +#undef NEXTPREVIOUS static int gtk_xtext_render_page_timeout (GtkXText * xtext) @@ -5104,6 +5631,7 @@ gtk_xtext_append_entry (xtext_buffer *buf, textentry * ent, time_t stamp) 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 */ @@ -5122,10 +5650,11 @@ gtk_xtext_append_entry (xtext_buffer *buf, textentry * ent, time_t stamp) 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))))))) + !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))) + !(GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (buf->xtext))))->has_focus #endif + ))) { buf->marker_pos = ent; dontscroll (buf); /* force scrolling off */ @@ -5165,6 +5694,10 @@ gtk_xtext_append_entry (xtext_buffer *buf, textentry * ent, time_t stamp) 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 */ @@ -5491,6 +6024,11 @@ gtk_xtext_buffer_free (xtext_buffer *buf) 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) { |