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font button: Convert from pango to css properly

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This utility function should probably find a home somewhere else.
For now, this makes the deprecation warning go away.
This commit is contained in:
Matthias Clasen 2016-04-18 15:04:37 -04:00
parent 519af3f91d
commit 99c2423043
1 changed files with 123 additions and 6 deletions
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129
gtk/gtkfontbutton.c
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@ -1164,6 +1164,127 @@ dialog_destroy (GtkWidget *widget,
font_button->priv->font_dialog = NULL;
}
static gchar *
pango_font_description_to_css (PangoFontDescription *desc)
{
GString *s;
PangoFontMask set;
s = g_string_new ("* { ");
set = pango_font_description_get_set_fields (desc);
if (set & PANGO_FONT_MASK_FAMILY)
{
g_string_append (s, "font-family: ");
g_string_append (s, pango_font_description_get_family (desc));
g_string_append (s, "; ");
}
if (set & PANGO_FONT_MASK_STYLE)
{
switch (pango_font_description_get_style (desc))
{
case PANGO_STYLE_NORMAL:
g_string_append (s, "font-style: normal; ");
break;
case PANGO_STYLE_OBLIQUE:
g_string_append (s, "font-style: oblique; ");
break;
case PANGO_STYLE_ITALIC:
g_string_append (s, "font-style: italic; ");
break;
}
}
if (set & PANGO_FONT_MASK_VARIANT)
{
switch (pango_font_description_get_variant (desc))
{
case PANGO_VARIANT_NORMAL:
g_string_append (s, "font-variant: normal; ");
break;
case PANGO_VARIANT_SMALL_CAPS:
g_string_append (s, "font-variant: small-caps; ");
break;
}
}
if (set & PANGO_FONT_MASK_WEIGHT)
{
switch (pango_font_description_get_weight (desc))
{
case PANGO_WEIGHT_THIN:
g_string_append (s, "font-weight: 100; ");
break;
case PANGO_WEIGHT_ULTRALIGHT:
g_string_append (s, "font-weight: 200; ");
break;
case PANGO_WEIGHT_LIGHT:
case PANGO_WEIGHT_SEMILIGHT:
g_string_append (s, "font-weight: 300; ");
break;
case PANGO_WEIGHT_BOOK:
case PANGO_WEIGHT_NORMAL:
g_string_append (s, "font-weight: 400; ");
break;
case PANGO_WEIGHT_MEDIUM:
g_string_append (s, "font-weight: 500; ");
break;
case PANGO_WEIGHT_SEMIBOLD:
g_string_append (s, "font-weight: 600; ");
break;
case PANGO_WEIGHT_BOLD:
g_string_append (s, "font-weight: 700; ");
break;
case PANGO_WEIGHT_ULTRABOLD:
g_string_append (s, "font-weight: 800; ");
break;
case PANGO_WEIGHT_HEAVY:
case PANGO_WEIGHT_ULTRAHEAVY:
g_string_append (s, "font-weight: 900; ");
break;
}
}
if (set & PANGO_FONT_MASK_STRETCH)
{
switch (pango_font_description_get_stretch (desc))
{
case PANGO_STRETCH_ULTRA_CONDENSED:
g_string_append (s, "font-stretch: ultra-condensed; ");
break;
case PANGO_STRETCH_EXTRA_CONDENSED:
g_string_append (s, "font-stretch: extra-condensed; ");
break;
case PANGO_STRETCH_CONDENSED:
g_string_append (s, "font-stretch: condensed; ");
break;
case PANGO_STRETCH_SEMI_CONDENSED:
g_string_append (s, "font-stretch: semi-condensed; ");
break;
case PANGO_STRETCH_NORMAL:
g_string_append (s, "font-stretch: normal; ");
break;
case PANGO_STRETCH_SEMI_EXPANDED:
g_string_append (s, "font-stretch: semi-expanded; ");
break;
case PANGO_STRETCH_EXPANDED:
g_string_append (s, "font-stretch: expanded; ");
break;
case PANGO_STRETCH_EXTRA_EXPANDED:
g_string_append (s, "font-stretch: extra-expanded; ");
break;
case PANGO_STRETCH_ULTRA_EXPANDED:
g_string_append (s, "font-stretch: ultra-expanded; ");
break;
}
}
if (set & PANGO_FONT_MASK_SIZE)
{
g_string_append_printf (s, "font-size: %dpt", pango_font_description_get_size (desc) / PANGO_SCALE);
}
g_string_append (s, "}");
return g_string_free (s, FALSE);
}
static void
gtk_font_button_label_use_font (GtkFontButton *font_button)
{
@ -1183,7 +1304,7 @@ gtk_font_button_label_use_font (GtkFontButton *font_button)
else
{
PangoFontDescription *desc;
gchar *font, *data;
gchar *data;
if (!priv->provider)
{
@ -1198,14 +1319,10 @@ gtk_font_button_label_use_font (GtkFontButton *font_button)
if (!priv->use_size)
pango_font_description_unset_fields (desc, PANGO_FONT_MASK_SIZE);
font = pango_font_description_to_string (desc);
data = g_strconcat ("* { font: ", font, "; }", NULL);
data = pango_font_description_to_css (desc);
gtk_css_provider_load_from_data (priv->provider, data, -1, NULL);
g_free (data);
g_free (font);
pango_font_description_free (desc);
}
}