static void
style_set_handler (GtkWidget *widget, GtkStyle *previous_style)
{
PangoLayout *layout;
int width, width2;
int xpad;
layout = gtk_label_get_layout (GTK_LABEL(widget));
layout = pango_layout_copy (layout);
pango_layout_set_text (layout, LOCATION_LABEL, -1);
pango_layout_get_pixel_size (layout, &width, NULL);
pango_layout_set_text (layout, GO_TO_LABEL, -1);
pango_layout_get_pixel_size (layout, &width2, NULL);
width = MAX (width, width2);
gtk_misc_get_padding (GTK_MISC (widget),
&xpad, NULL);
width += 2 * xpad;
gtk_widget_set_size_request (widget, width, -1);
g_object_unref (layout);
}
static void _mt_draw_string(MT_WINDOW *win, MT_STRING *str, int x_offset, int y_offset, MT_COLOR *color)
{
MT_GTK_STRING *s = str;
PangoLayout *layout = s->layout;
int state_type = s->state_type;
if (!color && s->color) color = s->color;
if (color && !pango_layout_get_text(layout)) color = NULL;
if (color) {
PangoAttrList *attrlist;
PangoAttribute *attr;
layout = pango_layout_copy(layout);
attrlist = pango_layout_get_attributes(layout);
if (attrlist) {
pango_attr_list_ref(attrlist);
}
else {
attrlist = pango_attr_list_new();
}
if (color) {
attr = pango_attr_foreground_new(color->r << 8, color->g << 8, color->b << 8);
attr->start_index = 0;
attr->end_index = strlen(pango_layout_get_text(layout));
pango_attr_list_insert_before(attrlist, attr);
}
pango_layout_set_attributes(layout, attrlist);
pango_attr_list_unref(attrlist);
state_type = GTK_STATE_NORMAL;
}
s->parent_class->draw_layout(s->style, (GdkWindow *)win, state_type, s->use_text,
s->area, s->widget, s->detail, s->x + x_offset, s->y + y_offset, layout);
if (color) {
g_object_unref(layout);
}
}
static void
ellipsize_layout (PangoLayout *layout, gint width)
{
PangoLayoutLine *line;
PangoLayout *ell;
gint h, w, ell_w, x;
GString *text;
if (width <= 0) {
pango_layout_set_text (layout, "", -1);
return;
}
pango_layout_get_pixel_size (layout, &w, &h);
if (w <= width) return;
/* calculate ellipsis width */
ell = pango_layout_copy (layout);
pango_layout_set_text (ell, ELLIPSIS, -1);
pango_layout_get_pixel_size (ell, &ell_w, NULL);
g_object_unref (ell);
if (width < ell_w) {
/* not even ellipsis fits, so hide the text */
pango_layout_set_text (layout, "", -1);
return;
}
/* shrink total available width by the width of the ellipsis */
width -= ell_w;
line = pango_layout_get_line (layout, 0);
text = g_string_new (pango_layout_get_text (layout));
if (pango_layout_line_x_to_index (line, width * PANGO_SCALE, &x, NULL)) {
g_string_set_size (text, x);
g_string_append (text, ELLIPSIS);
pango_layout_set_text (layout, text->str, -1);
}
g_string_free (text, TRUE);
}
static VALUE
rg_copy(VALUE self)
{
return GOBJ2RVAL_UNREF(pango_layout_copy(_SELF(self)));
}
