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Allow selecting a dark variant with GTK_THEME

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Dark themes need to be debugged, too.

Author:    Matthias Clasen <mclasen@redhat.com>
This commit is contained in:
Matthias Clasen 2014-03-06 19:27:37 -05:00
parent 43e8852829
commit 15004e5930
2 changed files with 41 additions and 20 deletions
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4
docs/reference/gtk/running.sgml
View File

@ -322,6 +322,10 @@ additional environment variables.
that is specified by the gtk-theme-name setting. This is intended
mainly for easy debugging of theme issues.
</para>
<para>
It is also possible to specify a theme variant to load, by appending
the variant name with a colon, like this: `GTK_THEME=Adwaita:dark`.
</para>
</formalpara>
<para>

57
gtk/gtksettings.c
View File

@ -2976,47 +2976,63 @@ settings_update_provider (GdkScreen *screen,
}
}
static char *
get_theme_name (GtkSettings *settings)
static void
get_theme_name (GtkSettings *settings,
gchar **theme_name,
gchar **theme_variant)
{
char *theme_name = NULL;
gboolean prefer_dark;
*theme_name = NULL;
*theme_variant = NULL;
if (g_getenv ("GTK_THEME"))
theme_name = g_strdup (g_getenv ("GTK_THEME"));
*theme_name = g_strdup (g_getenv ("GTK_THEME"));
if (theme_name && *theme_name)
return theme_name;
if (*theme_name && **theme_name)
{
char *p;
p = strrchr (*theme_name, ':');
if (p) {
*p = '\0';
p++;
*theme_variant = g_strdup (p);
}
g_print ("theme: %s variant: %s\n", *theme_name, *theme_variant);
return;
}
g_free (*theme_name);
g_free (theme_name);
g_object_get (settings,
"gtk-theme-name", &theme_name,
"gtk-theme-name", theme_name,
"gtk-application-prefer-dark-theme", &prefer_dark,
NULL);
if (theme_name && *theme_name)
return theme_name;
if (prefer_dark)
*theme_variant = g_strdup ("dark");
g_free (theme_name);
return g_strdup (DEFAULT_THEME_NAME);
if (*theme_name && **theme_name)
return;
g_free (*theme_name);
*theme_name = g_strdup (DEFAULT_THEME_NAME);
}
static void
settings_update_theme (GtkSettings *settings)
{
GtkSettingsPrivate *priv = settings->priv;
gboolean prefer_dark_theme;
gchar *theme_name;
gchar *theme_variant;
gchar *theme_dir;
gchar *path;
g_object_get (settings,
"gtk-application-prefer-dark-theme", &prefer_dark_theme,
NULL);
theme_name = get_theme_name (settings);
get_theme_name (settings, &theme_name, &theme_variant);
_gtk_css_provider_load_named (priv->theme_provider,
theme_name,
prefer_dark_theme ? "dark" : NULL);
theme_name, theme_variant);
/* reload per-theme settings */
theme_dir = _gtk_css_provider_get_theme_dir ();
@ -3026,6 +3042,7 @@ settings_update_theme (GtkSettings *settings)
gtk_settings_load_from_key_file (settings, path, GTK_SETTINGS_SOURCE_THEME);
g_free (theme_name);
g_free (theme_variant);
g_free (theme_dir);
g_free (path);
}