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-rw-r--r--lib/widgets/ephy-event-box.c221
1 files changed, 221 insertions, 0 deletions
diff --git a/lib/widgets/ephy-event-box.c b/lib/widgets/ephy-event-box.c
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+++ b/lib/widgets/ephy-event-box.c
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+/* 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 Lesser 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
+ * file for a list of people on the GTK+ Team. See the ChangeLog
+ * files for a list of changes. These files are distributed with
+ * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
+ */
+
+#include "ephy-event-box.h"
+
+
+static void ephy_event_box_class_init (EphyEventBoxClass *klass);
+static void ephy_event_box_init (EphyEventBox *event_box);
+static void ephy_event_box_realize (GtkWidget *widget);
+static void ephy_event_box_unrealize (GtkWidget *widget);
+static void ephy_event_box_size_request (GtkWidget *widget,
+ GtkRequisition *requisition);
+static void ephy_event_box_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+static void ephy_event_box_map (GtkWidget *widget);
+static void ephy_event_box_unmap (GtkWidget *widget);
+
+static GtkBinClass *parent_class = NULL;
+
+GType
+ephy_event_box_get_type (void)
+{
+ static GType event_box_type = 0;
+
+ if (!event_box_type)
+ {
+ static const GTypeInfo event_box_info =
+ {
+ sizeof (EphyEventBoxClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) ephy_event_box_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (EphyEventBox),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) ephy_event_box_init,
+ };
+
+ event_box_type = g_type_register_static (GTK_TYPE_BIN, "EphyEventBox",
+ &event_box_info, 0);
+ }
+
+ return event_box_type;
+}
+
+
+static void
+ephy_event_box_class_init (EphyEventBoxClass *class)
+{
+ GtkWidgetClass *widget_class;
+
+ parent_class = g_type_class_peek_parent (class);
+
+ widget_class = (GtkWidgetClass*) class;
+
+ widget_class->realize = ephy_event_box_realize;
+ widget_class->unrealize = ephy_event_box_unrealize;
+ widget_class->map = ephy_event_box_map;
+ widget_class->unmap = ephy_event_box_unmap;
+ widget_class->size_request = ephy_event_box_size_request;
+ widget_class->size_allocate = ephy_event_box_size_allocate;
+}
+
+static void
+ephy_event_box_init (EphyEventBox *event_box)
+{
+ GTK_WIDGET_SET_FLAGS (event_box, GTK_NO_WINDOW);
+}
+
+GtkWidget*
+ephy_event_box_new (void)
+{
+ return g_object_new (EPHY_TYPE_EVENT_BOX, NULL);
+}
+
+static void
+ephy_event_box_map (GtkWidget *widget)
+{
+ EphyEventBox *event_box;
+
+ event_box = EPHY_EVENT_BOX (widget);
+
+ (* GTK_WIDGET_CLASS (parent_class)->map) (widget);
+
+ gdk_window_show (event_box->input_window);
+}
+
+static void
+ephy_event_box_unmap (GtkWidget *widget)
+{
+ EphyEventBox *event_box;
+
+ event_box = EPHY_EVENT_BOX (widget);
+
+ gdk_window_hide (event_box->input_window);
+
+ (* GTK_WIDGET_CLASS (parent_class)->unmap) (widget);
+}
+
+static void
+ephy_event_box_realize (GtkWidget *widget)
+{
+ GdkWindowAttr attributes;
+ EphyEventBox *event_box;
+ gint attributes_mask;
+ gint border_width;
+
+ (* GTK_WIDGET_CLASS (parent_class)->realize) (widget);
+
+ event_box = EPHY_EVENT_BOX (widget);
+
+ border_width = GTK_CONTAINER (widget)->border_width;
+
+ attributes.x = widget->allocation.x + border_width;
+ attributes.y = widget->allocation.y + border_width;
+ attributes.width = widget->allocation.width - 2*border_width;
+ attributes.height = widget->allocation.height - 2*border_width;
+ attributes.window_type = GDK_WINDOW_CHILD;
+ //attributes.override_redirect = TRUE;
+ attributes.wclass = GDK_INPUT_ONLY;
+ attributes.event_mask = gtk_widget_get_events (widget)
+ | GDK_BUTTON_MOTION_MASK
+ | GDK_BUTTON_PRESS_MASK
+ | GDK_BUTTON_RELEASE_MASK
+ | GDK_ENTER_NOTIFY_MASK
+ | GDK_LEAVE_NOTIFY_MASK;
+
+ attributes_mask = GDK_WA_X | GDK_WA_Y | GDK_WA_NOREDIR;
+
+ event_box->input_window = gdk_window_new (widget->window,
+ &attributes, attributes_mask);
+ gdk_window_set_user_data (event_box->input_window, widget);
+}
+
+static void
+ephy_event_box_unrealize (GtkWidget *widget)
+{
+ EphyEventBox *event_box;
+
+ (* GTK_WIDGET_CLASS (parent_class)->unrealize) (widget);
+
+ event_box = EPHY_EVENT_BOX (widget);
+
+ gdk_window_set_user_data (event_box->input_window, NULL);
+ gdk_window_destroy (event_box->input_window);
+ event_box->input_window = NULL;
+}
+
+static void
+ephy_event_box_size_request (GtkWidget *widget,
+ GtkRequisition *requisition)
+{
+ GtkBin *bin = GTK_BIN (widget);
+
+ requisition->width = GTK_CONTAINER (widget)->border_width * 2;
+ requisition->height = GTK_CONTAINER (widget)->border_width * 2;
+
+ if (bin->child && GTK_WIDGET_VISIBLE (bin->child))
+ {
+ GtkRequisition child_requisition;
+
+ gtk_widget_size_request (bin->child, &child_requisition);
+
+ requisition->width += child_requisition.width;
+ requisition->height += child_requisition.height;
+ }
+}
+
+static void
+ephy_event_box_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ GtkBin *bin;
+ GtkAllocation child_allocation;
+ EphyEventBox *event_box;
+
+ widget->allocation = *allocation;
+ bin = GTK_BIN (widget);
+
+ child_allocation.x = allocation->x + GTK_CONTAINER (widget)->border_width;
+ child_allocation.y = allocation->y + GTK_CONTAINER (widget)->border_width;
+ child_allocation.width = MAX (allocation->width - GTK_CONTAINER (widget)->border_width * 2, 0);
+ child_allocation.height = MAX (allocation->height - GTK_CONTAINER (widget)->border_width * 2, 0);
+
+ if (GTK_WIDGET_REALIZED (widget))
+ {
+ event_box = EPHY_EVENT_BOX (widget);
+ gdk_window_move_resize (event_box->input_window,
+ child_allocation.x,
+ child_allocation.y,
+ child_allocation.width,
+ child_allocation.height);
+ }
+
+ if (bin->child)
+ gtk_widget_size_allocate (bin->child, &child_allocation);
+}
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