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Use Pango Attributes for bold and italics

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This commit is contained in:
TingPing 2013-09-28 23:02:38 -04:00
parent 0d2feba69c
commit c537dae7f8
2 changed files with 21 additions and 120 deletions
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140
src/fe-gtk/xtext.c
View File

@ -166,7 +166,6 @@ static void
backend_font_close (GtkXText *xtext)
{
pango_font_description_free (xtext->font->font);
pango_font_description_free (xtext->font->ifont);
}
static void
@ -221,8 +220,6 @@ backend_font_open (GtkXText *xtext, char *name)
xtext->font = NULL;
return;
}
xtext->font->ifont = backend_font_open_real (name);
pango_font_description_set_style (xtext->font->ifont, PANGO_STYLE_ITALIC);
backend_init (xtext);
pango_layout_set_font_description (xtext->layout, xtext->font->font);
@ -306,10 +303,29 @@ backend_draw_text (GtkXText *xtext, int dofill, GdkGC *gc, int x, int y,
GdkGCValues val;
GdkColor col;
PangoLayoutLine *line;
PangoAttrList *attr_list;
PangoAttribute *attr;
attr_list = pango_attr_list_new ();
if (xtext->italics)
pango_layout_set_font_description (xtext->layout, xtext->font->ifont);
{
attr = pango_attr_style_new (PANGO_STYLE_ITALIC);
attr->start_index = PANGO_ATTR_INDEX_FROM_TEXT_BEGINNING;
attr->end_index = PANGO_ATTR_INDEX_TO_TEXT_END;
pango_attr_list_insert (attr_list, attr);
}
if (xtext->bold)
{
attr = pango_attr_weight_new (PANGO_WEIGHT_BOLD);
attr->start_index = PANGO_ATTR_INDEX_FROM_TEXT_BEGINNING;
attr->end_index = PANGO_ATTR_INDEX_TO_TEXT_END;
pango_attr_list_insert (attr_list, attr);
}
pango_layout_set_attributes (xtext->layout, attr_list);
pango_layout_set_text (xtext->layout, str, len);
if (dofill)
@ -327,28 +343,9 @@ backend_draw_text (GtkXText *xtext, int dofill, GdkGC *gc, int x, int y,
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);
if (xtext->italics)
pango_layout_set_font_description (xtext->layout, xtext->font->font);
pango_attr_list_unref (attr_list);
}
/*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
xtext_set_fg (GtkXText *xtext, GdkGC *gc, int index)
{
@ -2334,101 +2331,6 @@ gtk_xtext_strip_color (unsigned char *text, int len, unsigned char *outbuf,
return new_str;
}
#if 0
/* 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;
}
#endif
/* gives width of a string, excluding the mIRC codes */
static int

1
src/fe-gtk/xtext.h
View File

@ -173,7 +173,6 @@ struct _GtkXText
struct pangofont
{
PangoFontDescription *font;
PangoFontDescription *ifont; /* italics */
int ascent;
int descent;
} *font, pango_font;