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authorPatrick Griffis <tingping@tingping.se>2018-03-13 21:17:45 -0400
committerPatrick Griffis <tingping@tingping.se>2018-03-13 21:18:16 -0400
commiteb942fc274c8633477e08667311faa1ad98c7eb4 (patch)
tree9427f5848ce3957b620826bc75329321ccd123a9
parent27acca0f5b9b6e68acf766fca237669e1df5263a (diff)
Revert "xtext: Always use Pango to get correct glyph width on Unix"
This reverts commit d3f1ab78138a1f9256ec02842799ed6cd1e3ec1e. The performance even on Linux is just too poor in many cases.
-rw-r--r--src/fe-gtk/xtext.c27
1 files changed, 2 insertions, 25 deletions
diff --git a/src/fe-gtk/xtext.c b/src/fe-gtk/xtext.c
index 8ca24a12..fac0c4e6 100644
--- a/src/fe-gtk/xtext.c
+++ b/src/fe-gtk/xtext.c
@@ -157,10 +157,7 @@ static char * gtk_xtext_get_word (GtkXText * xtext, int x, int y, textentry ** r
#define EMPH_BOLD 2
#define EMPH_HIDDEN 4
static PangoAttrList *attr_lists[4];
-#ifdef G_OS_WIN32
-/* the fontwidths variable is used on Windows only. */
static int fontwidths[4][128];
-#endif
static PangoAttribute *
xtext_pango_attr (PangoAttribute *attr)
@@ -173,10 +170,7 @@ xtext_pango_attr (PangoAttribute *attr)
static void
xtext_pango_init (GtkXText *xtext)
{
- int i;
-#ifdef G_OS_WIN32
- int j;
-#endif
+ int i, j;
char buf[2] = "\000";
if (attr_lists[0])
@@ -208,7 +202,6 @@ xtext_pango_init (GtkXText *xtext)
break;
}
-#ifdef G_OS_WIN32
/* Now initialize fontwidths[i] */
pango_layout_set_attributes (xtext->layout, attr_lists[i]);
for (j = 0; j < 128; j++)
@@ -217,14 +210,8 @@ xtext_pango_init (GtkXText *xtext)
pango_layout_set_text (xtext->layout, buf, 1);
pango_layout_get_pixel_size (xtext->layout, &fontwidths[i][j], NULL);
}
-#endif
}
-
- /* re-compute space_width without using fontwidths */
- pango_layout_set_attributes (xtext->layout, attr_lists[0]);
- buf[0] = ' ';
- pango_layout_set_text (xtext->layout, buf, 1);
- pango_layout_get_pixel_size (xtext->layout, &(xtext->space_width), NULL);
+ xtext->space_width = fontwidths[0][' '];
}
static void
@@ -302,10 +289,8 @@ static int
backend_get_text_width_emph (GtkXText *xtext, guchar *str, int len, int emphasis)
{
int width;
-#ifdef G_OS_WIN32
int deltaw;
int mbl;
-#endif
if (*str == 0)
return 0;
@@ -316,8 +301,6 @@ backend_get_text_width_emph (GtkXText *xtext, guchar *str, int len, int emphasis
width = 0;
pango_layout_set_attributes (xtext->layout, attr_lists[emphasis]);
-
-#ifdef G_OS_WIN32
while (len > 0)
{
mbl = charlen(str);
@@ -332,12 +315,6 @@ backend_get_text_width_emph (GtkXText *xtext, guchar *str, int len, int emphasis
str += mbl;
len -= mbl;
}
-#else
- /* This code is slow on Windows,
- but it will get the correct width from pango on Linux. */
- pango_layout_set_text (xtext->layout, str, len);
- pango_layout_get_pixel_size (xtext->layout, &width, NULL);
-#endif
return width;
}