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Ellipsize titles that are too large in the bar

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When titles were very large they would overlap the status line.
Ellipsize the title to get it to fit.
This commit is contained in:
Pedro Côrte-Real 2019-08-17 20:59:07 +01:00
parent 8a019a83c9
commit fc19355327
3 changed files with 38 additions and 8 deletions
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30
common/pango.c
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@ -136,3 +136,33 @@ void pango_printf(cairo_t *cairo, const char *font,
g_object_unref(layout);
free(buf);
}
void pango_printf_ellipsized(cairo_t *cairo, const char *font,
double scale, bool markup, int max_width, const char *fmt, ...) {
va_list args;
va_start(args, fmt);
// Add one since vsnprintf excludes null terminator.
int length = vsnprintf(NULL, 0, fmt, args) + 1;
va_end(args);
char *buf = malloc(length);
if (buf == NULL) {
sway_log(SWAY_ERROR, "Failed to allocate memory");
return;
}
va_start(args, fmt);
vsnprintf(buf, length, fmt, args);
va_end(args);
PangoLayout *layout = get_pango_layout(cairo, font, buf, scale, markup);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
pango_layout_set_width(layout, pango_units_from_double(max_width));
cairo_font_options_t *fo = cairo_font_options_create();
cairo_get_font_options(cairo, fo);
pango_cairo_context_set_font_options(pango_layout_get_context(layout), fo);
cairo_font_options_destroy(fo);
pango_cairo_update_layout(cairo, layout);
pango_cairo_show_layout(cairo, layout);
g_object_unref(layout);
free(buf);
}