/* -*- 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); }