diff --git a/gtk/gtkthemingengine.c b/gtk/gtkthemingengine.c index 2962f52223..9e9443f573 100644 --- a/gtk/gtkthemingengine.c +++ b/gtk/gtkthemingengine.c @@ -48,6 +48,12 @@ static void gtk_theming_engine_render_option (GtkThemingEngine *engine, gdouble y, gdouble width, gdouble height); +static void gtk_theming_engine_render_arrow (GtkThemingEngine *engine, + cairo_t *cr, + gdouble angle, + gdouble x, + gdouble y, + gdouble size); G_DEFINE_TYPE (GtkThemingEngine, gtk_theming_engine, G_TYPE_OBJECT) @@ -81,6 +87,7 @@ gtk_theming_engine_class_init (GtkThemingEngineClass *klass) klass->render_check = gtk_theming_engine_render_check; klass->render_option = gtk_theming_engine_render_option; + klass->render_arrow = gtk_theming_engine_render_arrow; g_type_class_add_private (object_class, sizeof (GtkThemingEnginePrivate)); } @@ -461,5 +468,68 @@ gtk_theming_engine_render_option (GtkThemingEngine *engine, cairo_restore (cr); } +static void +add_path_arrow (cairo_t *cr, + gdouble angle, + gdouble x, + gdouble y, + gdouble size) +{ + cairo_save (cr); + + cairo_translate (cr, x + (size / 2), y + (size / 2)); + cairo_rotate (cr, angle); + + cairo_move_to (cr, 0, - (size / 4) + 0.5); + cairo_line_to (cr, - (size / 2), (size / 4) + 0.5); + cairo_line_to (cr, (size / 2), (size / 4) + 0.5); + cairo_close_path (cr); + + cairo_restore (cr); +} + +static void +gtk_theming_engine_render_arrow (GtkThemingEngine *engine, + cairo_t *cr, + gdouble angle, + gdouble x, + gdouble y, + gdouble size) +{ + GtkStateFlags flags; + GtkStateType state; + GdkColor *fg_color; + + cairo_save (cr); + + flags = gtk_theming_engine_get_state (engine); + + if (flags & GTK_STATE_FLAG_PRELIGHT) + state = GTK_STATE_PRELIGHT; + else if (flags & GTK_STATE_FLAG_INSENSITIVE) + state = GTK_STATE_INSENSITIVE; + else + state = GTK_STATE_NORMAL; + + gtk_theming_engine_get (engine, state, + "foreground-color", &fg_color, + NULL); + + if (flags & GTK_STATE_FLAG_INSENSITIVE) + { + add_path_arrow (cr, angle, x + 1, y + 1, size); + cairo_set_source_rgb (cr, 1, 1, 1); + cairo_fill (cr); + } + + add_path_arrow (cr, angle, x, y, size); + gdk_cairo_set_source_color (cr, fg_color); + cairo_fill (cr); + + cairo_restore (cr); + + gdk_color_free (fg_color); +} + #define __GTK_THEMING_ENGINE_C__ #include "gtkaliasdef.c" diff --git a/gtk/gtkthemingengine.h b/gtk/gtkthemingengine.h index f322e73b9b..960339f8bb 100644 --- a/gtk/gtkthemingengine.h +++ b/gtk/gtkthemingengine.h @@ -61,6 +61,12 @@ struct GtkThemingEngineClass gdouble y, gdouble width, gdouble height); + void (* render_arrow) (GtkThemingEngine *engine, + cairo_t *cr, + gdouble angle, + gdouble x, + gdouble y, + gdouble size); }; GType gtk_theming_engine_get_type (void) G_GNUC_CONST;