forked from AuroraMiddleware/gtk
67180c87e1
toolbar inside a GtkHandleBox (inside a GnomeApp container, yet to be written). When the toolbar is usable, I will add the proper example to testgtk.c. - Federico
301 lines
8.0 KiB
C
301 lines
8.0 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
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* GtkToolbar copyright (C) Federico Mena
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "gtktoolbar.h"
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#define DEFAULT_SPACE_SIZE 5
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static void gtk_toolbar_class_init (GtkToolbarClass *class);
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static void gtk_toolbar_init (GtkToolbar *toolbar);
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static void gtk_toolbar_destroy (GtkObject *object);
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static void gtk_toolbar_map (GtkWidget *widget);
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static void gtk_toolbar_unmap (GtkWidget *widget);
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static void gtk_toolbar_draw (GtkWidget *widget,
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GdkRectangle *area);
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static void gtk_toolbar_size_request (GtkWidget *widget,
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GtkRequisition *requisition);
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static void gtk_toolbar_size_allocate (GtkWidget *widget,
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GtkAllocation *allocation);
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static void gtk_toolbar_add (GtkContainer *container,
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GtkWidget *widget);
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static GtkContainerClass *parent_class;
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guint
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gtk_toolbar_get_type(void)
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{
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static guint toolbar_type = 0;
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if (!toolbar_type) {
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GtkTypeInfo toolbar_info = {
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"GtkToolbar",
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sizeof(GtkToolbar),
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sizeof(GtkToolbarClass),
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(GtkClassInitFunc) gtk_toolbar_class_init,
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(GtkObjectInitFunc) gtk_toolbar_init,
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(GtkArgFunc) NULL
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};
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toolbar_type = gtk_type_unique(gtk_container_get_type(), &toolbar_info);
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}
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return toolbar_type;
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}
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static void
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gtk_toolbar_class_init(GtkToolbarClass *class)
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{
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GtkObjectClass *object_class;
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GtkWidgetClass *widget_class;
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GtkContainerClass *container_class;
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object_class = (GtkObjectClass *) class;
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widget_class = (GtkWidgetClass *) class;
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container_class = (GtkContainerClass *) class;
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parent_class = gtk_type_class(gtk_container_get_type());
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object_class->destroy = gtk_toolbar_destroy;
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widget_class->map = gtk_toolbar_map;
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widget_class->unmap = gtk_toolbar_unmap;
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widget_class->draw = gtk_toolbar_draw;
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widget_class->size_request = gtk_toolbar_size_request;
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widget_class->size_allocate = gtk_toolbar_size_allocate;
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container_class->add = gtk_toolbar_add;
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}
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static void
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gtk_toolbar_init(GtkToolbar *toolbar)
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{
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GTK_WIDGET_SET_FLAGS(toolbar, GTK_NO_WINDOW);
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toolbar->children = NULL;
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toolbar->orientation = GTK_ORIENTATION_HORIZONTAL;
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toolbar->style = GTK_TOOLBAR_ICONS;
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toolbar->space_size = DEFAULT_SPACE_SIZE;
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}
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GtkWidget *
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gtk_toolbar_new(GtkOrientation orientation,
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GtkToolbarStyle style)
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{
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GtkToolbar *toolbar;
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toolbar = gtk_type_new(gtk_toolbar_get_type());
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toolbar->orientation = orientation;
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toolbar->style = style;
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}
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static void
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gtk_toolbar_destroy(GtkObject *object)
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{
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GtkToolbar *toolbar;
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GList *children;
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GtkWidget *child;
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g_return_if_fail(object != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(object));
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toolbar = GTK_TOOLBAR(object);
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for (children = toolbar->children; children; children = children->next) {
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child = children->data;
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/* NULL child means it is a space in the toolbar, rather than a button */
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if (child) {
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child->parent = NULL;
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gtk_object_unref(GTK_OBJECT(child));
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gtk_widget_destroy(child);
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}
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}
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g_list_free(toolbar->children);
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if (GTK_OBJECT_CLASS(parent_class)->destroy)
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(* GTK_OBJECT_CLASS(parent_class)->destroy) (object);
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}
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static void
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gtk_toolbar_map(GtkWidget *widget)
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{
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GtkToolbar *toolbar;
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GList *children;
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GtkWidget *child;
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(widget));
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toolbar = GTK_TOOLBAR(widget);
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GTK_WIDGET_SET_FLAGS(toolbar, GTK_MAPPED);
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for (children = toolbar->children; children; children = children->next) {
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child = children->data;
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if (child && GTK_WIDGET_VISIBLE(child) && !GTK_WIDGET_MAPPED(child))
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gtk_widget_map(child);
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}
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}
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static void
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gtk_toolbar_unmap(GtkWidget *widget)
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{
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GtkToolbar *toolbar;
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GList *children;
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GtkWidget *child;
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(widget));
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toolbar = GTK_TOOLBAR(widget);
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GTK_WIDGET_UNSET_FLAGS(toolbar, GTK_MAPPED);
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for (children = toolbar->children; children; children = children->next) {
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child = children->data;
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if (child && GTK_WIDGET_VISIBLE(child) && GTK_WIDGET_MAPPED(child))
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gtk_widget_unmap(child);
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}
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}
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static void
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gtk_toolbar_draw(GtkWidget *widget,
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GdkRectangle *area)
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{
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GtkToolbar *toolbar;
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GList *children;
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GtkWidget *child;
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GdkRectangle child_area;
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(widget));
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if (GTK_WIDGET_DRAWABLE(widget)) {
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toolbar = GTK_TOOLBAR(widget);
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for (children = toolbar->children; children; children = children->next) {
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child = children->data;
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if (child && gtk_widget_intersect(child, area, &child_area))
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gtk_widget_draw(child, &child_area);
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}
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}
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}
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static void
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gtk_toolbar_size_request(GtkWidget *widget,
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GtkRequisition *requisition)
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{
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GtkToolbar *toolbar;
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GList *children;
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GtkWidget *child;
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gint nchildren;
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(widget));
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g_return_if_fail(requisition != NULL);
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toolbar = GTK_TOOLBAR(widget);
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requisition->width = GTK_CONTAINER(toolbar)->border_width * 2;
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requisition->height = GTK_CONTAINER(toolbar)->border_width * 2;
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nchildren = 0;
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toolbar->child_maxw = 0;
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toolbar->child_maxh = 0;
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for (children = toolbar->children; children; children = children->next) {
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child = children->data;
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if (child) {
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nchildren++;
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gtk_widget_size_request(child, &child->requisition);
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toolbar->child_maxw = MAX(toolbar->child_maxw, child->requisition->width);
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toolbar->child_maxh = MAX(toolbar->child_maxh, child->requisition->height);
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} else
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/* NULL child means it is a space in the toolbar, rather than a button */
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if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
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requisition->width += toolbar->space_size;
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else
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requisition->height += toolbar->space_size;
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}
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if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL) {
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requisition->width += nchildren * toolbar->child_maxw;
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requisition->height += toolbar->child_maxh;
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} else {
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requisition->width += toolbar->child_maxw;
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requisition->height += nchildren * toolbar->child_maxh;
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}
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}
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static void
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gtk_toolbar_size_allocate(GtkWidget *widget,
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GtkAllocation *allocation)
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{
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GtkToolbar *toolbar;
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GList *children;
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GtkWidget *child;
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GtkAllocation alloc;
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g_return_if_fail(widget != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(widget));
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g_return_if_fail(allocation != NULL);
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toolbar = GTK_TOOLBAR(widget);
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widget->allocation = *allocation;
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alloc.x = allocation->x + GTK_CONTAINER(toolbar)->border_width;
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alloc.y = allocation->y + GTK_CONTAINER(toolbar)->border_width;
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alloc.width = toolbar->child_maxw;
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alloc.height = toolbar->child_maxh;
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for (children = toolbar->children; children; children = children->next) {
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child = children->data;
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if (child) {
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gtk_widget_size_allocate(child, &alloc);
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if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
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alloc.x += toolbar->child_maxw;
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else
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alloc.y += toolbar->child_maxh;
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} else
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/* NULL child means it is a space in the toolbar, rather than a button */
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if (toolbar->orientation == GTK_ORIENTATION_HORIZONTAL)
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alloc.x += toolbar->space_size;
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else
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alloc.y += toolbar->space_size;
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}
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}
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static void
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gtk_toolbar_add(GtkContainer *container,
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GtkWidget *widget)
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{
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g_warning("gtk_toolbar_add: use gtk_toolbar_add_item() instead!");
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}
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