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authorElliot Lee <sopwith@src.gnome.org>1997-11-24 22:37:52 +0000
committerElliot Lee <sopwith@src.gnome.org>1997-11-24 22:37:52 +0000
commit9508b76bd2401b6b9e289b5c8ec9fc0e08909283 (patch)
tree53c88a9e5ac09e1a027e56df33bdaa66d670901b /gtk/gtkcheckmenuitem.c
downloadgtk+-9508b76bd2401b6b9e289b5c8ec9fc0e08909283.tar.gz
Initial revision
Diffstat (limited to 'gtk/gtkcheckmenuitem.c')
-rw-r--r--gtk/gtkcheckmenuitem.c250
1 files changed, 250 insertions, 0 deletions
diff --git a/gtk/gtkcheckmenuitem.c b/gtk/gtkcheckmenuitem.c
new file mode 100644
index 0000000000..a36dfa75a0
--- /dev/null
+++ b/gtk/gtkcheckmenuitem.c
@@ -0,0 +1,250 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#include "gtkcheckmenuitem.h"
+#include "gtklabel.h"
+#include "gtksignal.h"
+
+
+#define CHECK_MENU_ITEM_CLASS(w) GTK_CHECK_MENU_ITEM_CLASS (GTK_OBJECT (w)->klass)
+
+
+enum {
+ TOGGLED,
+ LAST_SIGNAL
+};
+
+
+static void gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass);
+static void gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item);
+static void gtk_check_menu_item_draw (GtkWidget *widget,
+ GdkRectangle *area);
+static gint gtk_check_menu_item_expose (GtkWidget *widget,
+ GdkEventExpose *event);
+static void gtk_check_menu_item_activate (GtkMenuItem *menu_item);
+static void gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
+ GdkRectangle *area);
+static void gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
+ GdkRectangle *area);
+
+
+static GtkMenuItemClass *parent_class = NULL;
+static gint check_menu_item_signals[LAST_SIGNAL] = { 0 };
+
+
+guint
+gtk_check_menu_item_get_type ()
+{
+ static guint check_menu_item_type = 0;
+
+ if (!check_menu_item_type)
+ {
+ GtkTypeInfo check_menu_item_info =
+ {
+ "GtkCheckMenuItem",
+ sizeof (GtkCheckMenuItem),
+ sizeof (GtkCheckMenuItemClass),
+ (GtkClassInitFunc) gtk_check_menu_item_class_init,
+ (GtkObjectInitFunc) gtk_check_menu_item_init,
+ (GtkArgFunc) NULL,
+ };
+
+ check_menu_item_type = gtk_type_unique (gtk_menu_item_get_type (), &check_menu_item_info);
+ }
+
+ return check_menu_item_type;
+}
+
+GtkWidget*
+gtk_check_menu_item_new ()
+{
+ return GTK_WIDGET (gtk_type_new (gtk_check_menu_item_get_type ()));
+}
+
+GtkWidget*
+gtk_check_menu_item_new_with_label (const gchar *label)
+{
+ GtkWidget *check_menu_item;
+ GtkWidget *label_widget;
+
+ check_menu_item = gtk_check_menu_item_new ();
+ label_widget = gtk_label_new (label);
+ gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
+
+ gtk_container_add (GTK_CONTAINER (check_menu_item), label_widget);
+ gtk_widget_show (label_widget);
+
+ return check_menu_item;
+}
+
+void
+gtk_check_menu_item_set_state (GtkCheckMenuItem *check_menu_item,
+ gint state)
+{
+ g_return_if_fail (check_menu_item != NULL);
+ g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
+
+ if (check_menu_item->active != state)
+ gtk_menu_item_activate (GTK_MENU_ITEM (check_menu_item));
+}
+
+void
+gtk_check_menu_item_toggled (GtkCheckMenuItem *check_menu_item)
+{
+ gtk_signal_emit (GTK_OBJECT (check_menu_item), check_menu_item_signals[TOGGLED]);
+}
+
+
+static void
+gtk_check_menu_item_class_init (GtkCheckMenuItemClass *klass)
+{
+ GtkObjectClass *object_class;
+ GtkWidgetClass *widget_class;
+ GtkMenuItemClass *menu_item_class;
+
+ object_class = (GtkObjectClass*) klass;
+ widget_class = (GtkWidgetClass*) klass;
+ menu_item_class = (GtkMenuItemClass*) klass;
+
+ parent_class = gtk_type_class (gtk_menu_item_get_type ());
+
+ check_menu_item_signals[TOGGLED] =
+ gtk_signal_new ("toggled",
+ GTK_RUN_FIRST,
+ object_class->type,
+ GTK_SIGNAL_OFFSET (GtkCheckMenuItemClass, toggled),
+ gtk_signal_default_marshaller,
+ GTK_TYPE_NONE, 0);
+
+ gtk_object_class_add_signals (object_class, check_menu_item_signals, LAST_SIGNAL);
+
+ widget_class->draw = gtk_check_menu_item_draw;
+ widget_class->expose_event = gtk_check_menu_item_expose;
+
+ menu_item_class->activate = gtk_check_menu_item_activate;
+ menu_item_class->toggle_size = 12;
+
+ klass->toggled = NULL;
+ klass->draw_indicator = gtk_real_check_menu_item_draw_indicator;
+}
+
+static void
+gtk_check_menu_item_init (GtkCheckMenuItem *check_menu_item)
+{
+ check_menu_item->active = FALSE;
+}
+
+static void
+gtk_check_menu_item_draw (GtkWidget *widget,
+ GdkRectangle *area)
+{
+ g_return_if_fail (widget != NULL);
+ g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (widget));
+ g_return_if_fail (area != NULL);
+
+ if (GTK_WIDGET_CLASS (parent_class)->draw)
+ (* GTK_WIDGET_CLASS (parent_class)->draw) (widget, area);
+
+ gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), area);
+}
+
+static gint
+gtk_check_menu_item_expose (GtkWidget *widget,
+ GdkEventExpose *event)
+{
+ g_return_val_if_fail (widget != NULL, FALSE);
+ g_return_val_if_fail (GTK_IS_CHECK_MENU_ITEM (widget), FALSE);
+ g_return_val_if_fail (event != NULL, FALSE);
+
+ if (GTK_WIDGET_CLASS (parent_class)->expose_event)
+ (* GTK_WIDGET_CLASS (parent_class)->expose_event) (widget, event);
+
+ gtk_check_menu_item_draw_indicator (GTK_CHECK_MENU_ITEM (widget), &event->area);
+
+ return FALSE;
+}
+
+static void
+gtk_check_menu_item_activate (GtkMenuItem *menu_item)
+{
+ GtkCheckMenuItem *check_menu_item;
+
+ g_return_if_fail (menu_item != NULL);
+ g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (menu_item));
+
+ check_menu_item = GTK_CHECK_MENU_ITEM (menu_item);
+ check_menu_item->active = !check_menu_item->active;
+
+ gtk_check_menu_item_toggled (check_menu_item);
+ gtk_widget_queue_draw (GTK_WIDGET (check_menu_item));
+}
+
+static void
+gtk_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
+ GdkRectangle *area)
+{
+ g_return_if_fail (check_menu_item != NULL);
+ g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
+ g_return_if_fail (CHECK_MENU_ITEM_CLASS (check_menu_item) != NULL);
+
+ if (CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator)
+ (* CHECK_MENU_ITEM_CLASS (check_menu_item)->draw_indicator) (check_menu_item, area);
+}
+
+static void
+gtk_real_check_menu_item_draw_indicator (GtkCheckMenuItem *check_menu_item,
+ GdkRectangle *area)
+{
+ GtkWidget *widget;
+ GtkStateType state_type;
+ GtkShadowType shadow_type;
+ gint width, height;
+ gint x, y;
+
+ g_return_if_fail (check_menu_item != NULL);
+ g_return_if_fail (GTK_IS_CHECK_MENU_ITEM (check_menu_item));
+
+ if (GTK_WIDGET_DRAWABLE (check_menu_item))
+ {
+ widget = GTK_WIDGET (check_menu_item);
+
+ width = 8;
+ height = 8;
+ x = (GTK_CONTAINER (check_menu_item)->border_width +
+ widget->style->klass->xthickness + 2);
+ y = (widget->allocation.height - height) / 2;
+
+ gdk_window_clear_area (widget->window, x, y, width, height);
+
+ if (check_menu_item->active ||
+ (GTK_WIDGET_STATE (check_menu_item) == GTK_STATE_PRELIGHT))
+ {
+ state_type = GTK_WIDGET_STATE (widget);
+
+ shadow_type = GTK_SHADOW_IN;
+ if (check_menu_item->active && (state_type == GTK_STATE_PRELIGHT))
+ shadow_type = GTK_SHADOW_OUT;
+
+ gdk_draw_rectangle (widget->window,
+ widget->style->bg_gc[state_type],
+ TRUE, x, y, width, height);
+ gtk_draw_shadow (widget->style, widget->window,
+ state_type, shadow_type,
+ x, y, width, height);
+ }
+ }
+}