GtkStyleContext*
ClaimStyleContext(WidgetNodeType aNodeType, GtkTextDirection aDirection,
GtkStateFlags aStateFlags, StyleFlags aFlags)
{
MOZ_ASSERT(!sStyleContextNeedsRestore);
GtkStyleContext* style = GetStyleInternal(aNodeType);
#ifdef DEBUG
MOZ_ASSERT(!sCurrentStyleContext);
sCurrentStyleContext = style;
#endif
GtkStateFlags oldState = gtk_style_context_get_state(style);
GtkTextDirection oldDirection = gtk_style_context_get_direction(style);
if (oldState != aStateFlags || oldDirection != aDirection) {
// From GTK 3.8, set_state() will overwrite the direction, so set
// direction after state.
gtk_style_context_set_state(style, aStateFlags);
gtk_style_context_set_direction(style, aDirection);
// This invalidate is necessary for unsaved style contexts from GtkWidgets
// in pre-3.18 GTK, because automatic invalidation of such contexts
// was delayed until a resize event runs.
//
// https://bugzilla.mozilla.org/show_bug.cgi?id=1272194#c7
//
// Avoid calling invalidate on saved contexts to avoid performing
// build_properties() (in 3.16 stylecontext.c) unnecessarily early.
if (!sStyleContextNeedsRestore) {
gtk_style_context_invalidate(style);
}
}
return style;
}
void PanelPaletteManager::updatePalette()
{
GtkStyleContext* context = PanelStyle::instance()->styleContext();
gtk_style_context_invalidate(context);
// Without this line, it seems the GtkStyleContext is not correctly
// initialized and we get some uninitialized pixels in the background
// brush.
gtk_style_context_get(context, GTK_STATE_FLAG_NORMAL, NULL);
QPalette pal;
if (DashClient::instance()->activeInScreen(m_panel->screen()) || HUDClient::instance()->activeInScreen(m_panel->screen())) {
/* The background color is the same as in the launcher */
QColor wallpaperColor(unity2dConfiguration().property("averageBgColor").toString());
QColor backgroundColor(wallpaperColor.red(), wallpaperColor.green(), wallpaperColor.blue(), 168);
backgroundColor = backgroundColor.darker(800);
pal.setBrush(QPalette::Window, backgroundColor);
} else {
pal.setBrush(QPalette::Window, generateBackgroundBrush());
}
m_panel->setPalette(pal);
}
void ScrollbarThemeGtk::themeChanged()
{
gtk_style_context_invalidate(gtkScrollbarStyleContext());
updateThemeProperties();
}
