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st/texture-cache: Monitor GtkIconTheme changes

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The texture cache, right now, only monitors for
complete theme changes. If the contents of the
icon theme change, however, the texture cache
isn't properly invalidated.

This manifests itself as a randomly reproducible
bug when installing an app; the app icon may be
the fallback forever, or as long as something else
updates the icon theme.

Watch for the GtkIconTheme:changed signal, and
evict the texture cache when the theme changes.

https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/661
This commit is contained in:
Georges Basile Stavracas Neto
2019-08-01 20:54:42 -03:00
parent 12b8fb15b1
commit 06a7ab871f
1 changed files with 10 additions and 0 deletions

10
src/st/st-texture-cache.c

@ -150,6 +150,14 @@ on_icon_theme_changed (StSettings *settings,
g_signal_emit (cache, signals[ICON_THEME_CHANGED], 0);
}
static void
on_gtk_icon_theme_changed (GtkIconTheme *icon_theme,
StTextureCache *self)
{
st_texture_cache_evict_icons (self);
g_signal_emit (self, signals[ICON_THEME_CHANGED], 0);
}
static void
st_texture_cache_init (StTextureCache *self)
{
@ -160,6 +168,8 @@ st_texture_cache_init (StTextureCache *self)
self->priv->icon_theme = gtk_icon_theme_new ();
gtk_icon_theme_add_resource_path (self->priv->icon_theme,
"/org/gnome/shell/theme/icons");
g_signal_connect (self->priv->icon_theme, "changed",
G_CALLBACK (on_gtk_icon_theme_changed), self);
settings = st_settings_get ();
g_signal_connect (settings, "notify::gtk-icon-theme",