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-rw-r--r--system/interface/gtk/mozcontainer.c418
1 files changed, 418 insertions, 0 deletions
diff --git a/system/interface/gtk/mozcontainer.c b/system/interface/gtk/mozcontainer.c
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index 000000000..9b596e4fb
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+++ b/system/interface/gtk/mozcontainer.c
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+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozcontainer.h"
+#include <gtk/gtk.h>
+#include <stdio.h>
+
+#ifdef ACCESSIBILITY
+#include <atk/atk.h>
+#include "maiRedundantObjectFactory.h"
+#endif
+
+/* init methods */
+static void moz_container_class_init (MozContainerClass *klass);
+static void moz_container_init (MozContainer *container);
+
+/* widget class methods */
+static void moz_container_map (GtkWidget *widget);
+static void moz_container_unmap (GtkWidget *widget);
+static void moz_container_realize (GtkWidget *widget);
+static void moz_container_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation);
+
+/* container class methods */
+static void moz_container_remove (GtkContainer *container,
+ GtkWidget *child_widget);
+static void moz_container_forall (GtkContainer *container,
+ gboolean include_internals,
+ GtkCallback callback,
+ gpointer callback_data);
+static void moz_container_add (GtkContainer *container,
+ GtkWidget *widget);
+
+typedef struct _MozContainerChild MozContainerChild;
+
+struct _MozContainerChild {
+ GtkWidget *widget;
+ gint x;
+ gint y;
+};
+
+static void moz_container_allocate_child (MozContainer *container,
+ MozContainerChild *child);
+static MozContainerChild *
+moz_container_get_child (MozContainer *container, GtkWidget *child);
+
+/* public methods */
+
+GType
+moz_container_get_type(void)
+{
+ static GType moz_container_type = 0;
+
+ if (!moz_container_type) {
+ static GTypeInfo moz_container_info = {
+ sizeof(MozContainerClass), /* class_size */
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) moz_container_class_init, /* class_init */
+ NULL, /* class_destroy */
+ NULL, /* class_data */
+ sizeof(MozContainer), /* instance_size */
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) moz_container_init, /* instance_init */
+ NULL, /* value_table */
+ };
+
+ moz_container_type = g_type_register_static (GTK_TYPE_CONTAINER,
+ "MozContainer",
+ &moz_container_info, 0);
+#ifdef ACCESSIBILITY
+ /* Set a factory to return accessible object with ROLE_REDUNDANT for
+ * MozContainer, so that gail won't send focus notification for it */
+ atk_registry_set_factory_type(atk_get_default_registry(),
+ moz_container_type,
+ mai_redundant_object_factory_get_type());
+#endif
+ }
+
+ return moz_container_type;
+}
+
+GtkWidget *
+moz_container_new (void)
+{
+ MozContainer *container;
+
+ container = g_object_new (MOZ_CONTAINER_TYPE, NULL);
+
+ return GTK_WIDGET(container);
+}
+
+void
+moz_container_put (MozContainer *container, GtkWidget *child_widget,
+ gint x, gint y)
+{
+ MozContainerChild *child;
+
+ child = g_new (MozContainerChild, 1);
+
+ child->widget = child_widget;
+ child->x = x;
+ child->y = y;
+
+ /* printf("moz_container_put %p %p %d %d\n", (void *)container,
+ (void *)child_widget, x, y); */
+
+ container->children = g_list_append (container->children, child);
+
+ /* we assume that the caller of this function will have already set
+ the parent GdkWindow because we can have many anonymous children. */
+ gtk_widget_set_parent(child_widget, GTK_WIDGET(container));
+}
+
+void
+moz_container_move (MozContainer *container, GtkWidget *child_widget,
+ gint x, gint y, gint width, gint height)
+{
+ MozContainerChild *child;
+ GtkAllocation new_allocation;
+
+ child = moz_container_get_child (container, child_widget);
+
+ child->x = x;
+ child->y = y;
+
+ new_allocation.x = x;
+ new_allocation.y = y;
+ new_allocation.width = width;
+ new_allocation.height = height;
+
+ /* printf("moz_container_move %p %p will allocate to %d %d %d %d\n",
+ (void *)container, (void *)child_widget,
+ new_allocation.x, new_allocation.y,
+ new_allocation.width, new_allocation.height); */
+
+ gtk_widget_size_allocate(child_widget, &new_allocation);
+}
+
+/* static methods */
+
+void
+moz_container_class_init (MozContainerClass *klass)
+{
+ /*GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GtkObjectClass *object_class = GTK_OBJECT_CLASS (klass); */
+ GtkContainerClass *container_class = GTK_CONTAINER_CLASS (klass);
+ GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
+
+ widget_class->map = moz_container_map;
+ widget_class->unmap = moz_container_unmap;
+ widget_class->realize = moz_container_realize;
+ widget_class->size_allocate = moz_container_size_allocate;
+
+ container_class->remove = moz_container_remove;
+ container_class->forall = moz_container_forall;
+ container_class->add = moz_container_add;
+}
+
+void
+moz_container_init (MozContainer *container)
+{
+ gtk_widget_set_can_focus(GTK_WIDGET(container), TRUE);
+ gtk_container_set_resize_mode(GTK_CONTAINER(container), GTK_RESIZE_IMMEDIATE);
+ gtk_widget_set_redraw_on_allocate(GTK_WIDGET(container), FALSE);
+}
+
+void
+moz_container_map (GtkWidget *widget)
+{
+ MozContainer *container;
+ GList *tmp_list;
+ GtkWidget *tmp_child;
+
+ g_return_if_fail (IS_MOZ_CONTAINER(widget));
+ container = MOZ_CONTAINER (widget);
+
+ gtk_widget_set_mapped(widget, TRUE);
+
+ tmp_list = container->children;
+ while (tmp_list) {
+ tmp_child = ((MozContainerChild *)tmp_list->data)->widget;
+
+ if (gtk_widget_get_visible(tmp_child)) {
+ if (!gtk_widget_get_mapped(tmp_child))
+ gtk_widget_map(tmp_child);
+ }
+ tmp_list = tmp_list->next;
+ }
+
+ if (gtk_widget_get_has_window (widget)) {
+ gdk_window_show (gtk_widget_get_window(widget));
+ }
+}
+
+void
+moz_container_unmap (GtkWidget *widget)
+{
+ g_return_if_fail (IS_MOZ_CONTAINER (widget));
+
+ gtk_widget_set_mapped(widget, FALSE);
+
+ if (gtk_widget_get_has_window (widget)) {
+ gdk_window_hide (gtk_widget_get_window(widget));
+ }
+}
+
+void
+moz_container_realize (GtkWidget *widget)
+{
+ GdkWindow *parent = gtk_widget_get_parent_window (widget);
+ GdkWindow *window;
+
+ gtk_widget_set_realized(widget, TRUE);
+
+ if (gtk_widget_get_has_window (widget)) {
+ GdkWindowAttr attributes;
+ gint attributes_mask = GDK_WA_VISUAL | GDK_WA_X | GDK_WA_Y;
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (widget, &allocation);
+ attributes.event_mask = gtk_widget_get_events (widget);
+ attributes.x = allocation.x;
+ attributes.y = allocation.y;
+ attributes.width = allocation.width;
+ attributes.height = allocation.height;
+ attributes.wclass = GDK_INPUT_OUTPUT;
+ attributes.visual = gtk_widget_get_visual (widget);
+ attributes.window_type = GDK_WINDOW_CHILD;
+
+#if (MOZ_WIDGET_GTK == 2)
+ attributes.colormap = gtk_widget_get_colormap (widget);
+ attributes_mask |= GDK_WA_COLORMAP;
+#endif
+
+ window = gdk_window_new (parent, &attributes, attributes_mask);
+ gdk_window_set_user_data (window, widget);
+#if (MOZ_WIDGET_GTK == 2)
+ /* TODO GTK3? */
+ /* set the back pixmap to None so that you don't end up with the gtk
+ default which is BlackPixel */
+ gdk_window_set_back_pixmap (window, NULL, FALSE);
+#endif
+ } else {
+ window = parent;
+ g_object_ref (window);
+ }
+
+ gtk_widget_set_window (widget, window);
+
+#if (MOZ_WIDGET_GTK == 2)
+ widget->style = gtk_style_attach (widget->style, widget->window);
+#endif
+}
+
+void
+moz_container_size_allocate (GtkWidget *widget,
+ GtkAllocation *allocation)
+{
+ MozContainer *container;
+ GList *tmp_list;
+ GtkAllocation tmp_allocation;
+
+ g_return_if_fail (IS_MOZ_CONTAINER (widget));
+
+ /* printf("moz_container_size_allocate %p %d %d %d %d\n",
+ (void *)widget,
+ allocation->x,
+ allocation->y,
+ allocation->width,
+ allocation->height); */
+
+ /* short circuit if you can */
+ container = MOZ_CONTAINER (widget);
+ gtk_widget_get_allocation(widget, &tmp_allocation);
+ if (!container->children &&
+ tmp_allocation.x == allocation->x &&
+ tmp_allocation.y == allocation->y &&
+ tmp_allocation.width == allocation->width &&
+ tmp_allocation.height == allocation->height) {
+ return;
+ }
+
+ gtk_widget_set_allocation(widget, allocation);
+
+ tmp_list = container->children;
+
+ while (tmp_list) {
+ MozContainerChild *child = tmp_list->data;
+
+ moz_container_allocate_child (container, child);
+
+ tmp_list = tmp_list->next;
+ }
+
+ if (gtk_widget_get_has_window (widget) &&
+ gtk_widget_get_realized (widget)) {
+
+ gdk_window_move_resize(gtk_widget_get_window(widget),
+ allocation->x,
+ allocation->y,
+ allocation->width,
+ allocation->height);
+ }
+}
+
+void
+moz_container_remove (GtkContainer *container, GtkWidget *child_widget)
+{
+ MozContainerChild *child;
+ MozContainer *moz_container;
+ GdkWindow* parent_window;
+
+ g_return_if_fail (IS_MOZ_CONTAINER(container));
+ g_return_if_fail (GTK_IS_WIDGET(child_widget));
+
+ moz_container = MOZ_CONTAINER(container);
+
+ child = moz_container_get_child (moz_container, child_widget);
+ g_return_if_fail (child);
+
+ /* gtk_widget_unparent will remove the parent window (as well as the
+ * parent widget), but, in Mozilla's window hierarchy, the parent window
+ * may need to be kept because it may be part of a GdkWindow sub-hierarchy
+ * that is being moved to another MozContainer.
+ *
+ * (In a conventional GtkWidget hierarchy, GdkWindows being reparented
+ * would have their own GtkWidget and that widget would be the one being
+ * reparented. In Mozilla's hierarchy, the parent_window needs to be
+ * retained so that the GdkWindow sub-hierarchy is maintained.)
+ */
+ parent_window = gtk_widget_get_parent_window(child_widget);
+ if (parent_window)
+ g_object_ref(parent_window);
+
+ gtk_widget_unparent(child_widget);
+
+ if (parent_window) {
+ /* The child_widget will always still exist because g_signal_emit,
+ * which invokes this function, holds a reference.
+ *
+ * If parent_window is the container's root window then it will not be
+ * the parent_window if the child_widget is placed in another
+ * container.
+ */
+ if (parent_window != gtk_widget_get_window(GTK_WIDGET(container)))
+ gtk_widget_set_parent_window(child_widget, parent_window);
+
+ g_object_unref(parent_window);
+ }
+
+ moz_container->children = g_list_remove(moz_container->children, child);
+ g_free(child);
+}
+
+void
+moz_container_forall (GtkContainer *container, gboolean include_internals,
+ GtkCallback callback, gpointer callback_data)
+{
+ MozContainer *moz_container;
+ GList *tmp_list;
+
+ g_return_if_fail (IS_MOZ_CONTAINER(container));
+ g_return_if_fail (callback != NULL);
+
+ moz_container = MOZ_CONTAINER(container);
+
+ tmp_list = moz_container->children;
+ while (tmp_list) {
+ MozContainerChild *child;
+ child = tmp_list->data;
+ tmp_list = tmp_list->next;
+ (* callback) (child->widget, callback_data);
+ }
+}
+
+static void
+moz_container_allocate_child (MozContainer *container,
+ MozContainerChild *child)
+{
+ GtkAllocation allocation;
+
+ gtk_widget_get_allocation (child->widget, &allocation);
+ allocation.x = child->x;
+ allocation.y = child->y;
+
+ gtk_widget_size_allocate (child->widget, &allocation);
+}
+
+MozContainerChild *
+moz_container_get_child (MozContainer *container, GtkWidget *child_widget)
+{
+ GList *tmp_list;
+
+ tmp_list = container->children;
+ while (tmp_list) {
+ MozContainerChild *child;
+
+ child = tmp_list->data;
+ tmp_list = tmp_list->next;
+
+ if (child->widget == child_widget)
+ return child;
+ }
+
+ return NULL;
+}
+
+static void
+moz_container_add(GtkContainer *container, GtkWidget *widget)
+{
+ moz_container_put(MOZ_CONTAINER(container), widget, 0, 0);
+}
+