651 lines
16 KiB
C
651 lines
16 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 "gtkbutton.h"
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#include "gtklabel.h"
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#include "gtkvbox.h"
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#include "gtktoolbar.h"
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#define DEFAULT_SPACE_SIZE 5
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enum {
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ORIENTATION_CHANGED,
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STYLE_CHANGED,
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LAST_SIGNAL
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};
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typedef struct {
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GtkWidget *button;
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GtkWidget *icon;
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GtkWidget *label;
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} Child;
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typedef void (*GtkToolbarSignal1) (GtkObject *object,
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gint arg1,
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gpointer data);
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static void gtk_toolbar_marshal_signal_1 (GtkObject *object,
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GtkSignalFunc func,
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gpointer func_data,
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GtkArg *args);
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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 void gtk_toolbar_foreach (GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data);
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static void gtk_real_toolbar_orientation_changed (GtkToolbar *toolbar,
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GtkOrientation orientation);
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static void gtk_real_toolbar_style_changed (GtkToolbar *toolbar,
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GtkToolbarStyle style);
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static GtkContainerClass *parent_class;
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static gint toolbar_signals[LAST_SIGNAL] = { 0 };
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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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toolbar_signals[ORIENTATION_CHANGED] =
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gtk_signal_new("orientation_changed",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET(GtkToolbarClass, orientation_changed),
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gtk_toolbar_marshal_signal_1,
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GTK_TYPE_NONE, 1,
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GTK_TYPE_INT);
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toolbar_signals[STYLE_CHANGED] =
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gtk_signal_new("style_changed",
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GTK_RUN_FIRST,
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object_class->type,
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GTK_SIGNAL_OFFSET(GtkToolbarClass, style_changed),
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gtk_toolbar_marshal_signal_1,
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GTK_TYPE_NONE, 1,
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GTK_TYPE_INT);
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gtk_object_class_add_signals(object_class, toolbar_signals, LAST_SIGNAL);
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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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container_class->foreach = gtk_toolbar_foreach;
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class->orientation_changed = gtk_real_toolbar_orientation_changed;
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class->style_changed = gtk_real_toolbar_style_changed;
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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->num_children = 0;
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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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toolbar->tooltips = gtk_tooltips_new();
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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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return GTK_WIDGET(toolbar);
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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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Child *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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gtk_tooltips_unref(toolbar->tooltips); /* XXX: do I have to unref the tooltips to destroy them? */
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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->button->parent = NULL;
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gtk_object_unref(GTK_OBJECT(child->button));
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gtk_widget_destroy(child->button);
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g_free(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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Child *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->button) && !GTK_WIDGET_MAPPED(child->button))
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gtk_widget_map(child->button);
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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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Child *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->button) && GTK_WIDGET_MAPPED(child->button))
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gtk_widget_unmap(child->button);
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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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Child *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->button, area, &child_area))
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gtk_widget_draw(child->button, &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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Child *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->button, &child->button->requisition);
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toolbar->child_maxw = MAX(toolbar->child_maxw, child->button->requisition.width);
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toolbar->child_maxh = MAX(toolbar->child_maxh, child->button->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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Child *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->button, &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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static void
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gtk_toolbar_foreach(GtkContainer *container,
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GtkCallback callback,
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gpointer callback_data)
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{
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GtkToolbar *toolbar;
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GList *children;
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Child *child;
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g_return_if_fail(container != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(container));
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g_return_if_fail(callback != NULL);
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toolbar = GTK_TOOLBAR(container);
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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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(*callback) (child->button, callback_data);
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}
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}
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void
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gtk_toolbar_append_item(GtkToolbar *toolbar,
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const char *text,
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const char *tooltip_text,
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GtkPixmap *icon,
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GtkSignalFunc callback,
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gpointer user_data)
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{
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gtk_toolbar_insert_item(toolbar, text, tooltip_text, icon,
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callback, user_data, toolbar->num_children);
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}
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void
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gtk_toolbar_prepend_item(GtkToolbar *toolbar,
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const char *text,
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const char *tooltip_text,
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GtkPixmap *icon,
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GtkSignalFunc callback,
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gpointer user_data)
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{
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gtk_toolbar_insert_item(toolbar, text, tooltip_text, icon,
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callback, user_data, 0);
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}
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void
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gtk_toolbar_insert_item(GtkToolbar *toolbar,
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const char *text,
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const char *tooltip_text,
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GtkPixmap *icon,
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GtkSignalFunc callback,
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gpointer user_data,
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gint position)
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{
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Child *child;
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GtkWidget *vbox;
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g_return_if_fail(toolbar != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(toolbar));
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child = g_new(Child, 1);
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child->button = gtk_button_new();
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if (callback)
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gtk_signal_connect(GTK_OBJECT(child->button), "clicked",
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callback, user_data);
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if (tooltip_text)
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gtk_tooltips_set_tips(toolbar->tooltips, child->button, tooltip_text);
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if (text)
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child->label = gtk_label_new(text);
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else
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child->label = NULL;
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child->icon = GTK_WIDGET(icon);
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vbox = gtk_vbox_new(FALSE, 0);
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gtk_container_add(GTK_CONTAINER(child->button), vbox);
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gtk_widget_show(vbox);
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if (child->icon)
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gtk_box_pack_start(GTK_BOX(vbox), child->icon, FALSE, FALSE, 0);
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if (child->label)
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gtk_box_pack_start(GTK_BOX(vbox), child->label, FALSE, FALSE, 0);
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switch (toolbar->style) {
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case GTK_TOOLBAR_ICONS:
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if (child->icon)
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gtk_widget_show(child->icon);
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break;
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case GTK_TOOLBAR_TEXT:
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if (child->label)
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gtk_widget_show(child->label);
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break;
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case GTK_TOOLBAR_BOTH:
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if (child->icon)
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gtk_widget_show(child->icon);
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if (child->label)
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gtk_widget_show(child->label);
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break;
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default:
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g_assert_not_reached();
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}
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gtk_widget_show(child->button);
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toolbar->children = g_list_insert(toolbar->children, child, position);
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toolbar->num_children++;
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gtk_widget_set_parent(child->button, GTK_WIDGET(toolbar));
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if (GTK_WIDGET_VISIBLE(toolbar)) {
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if (GTK_WIDGET_REALIZED(toolbar)
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&& !GTK_WIDGET_REALIZED(child->button))
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gtk_widget_realize(child->button);
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if (GTK_WIDGET_MAPPED(toolbar)
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&& !GTK_WIDGET_MAPPED(child->button))
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gtk_widget_map(child->button);
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}
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if (GTK_WIDGET_VISIBLE(child->button) && GTK_WIDGET_VISIBLE(toolbar))
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gtk_widget_queue_resize(child->button);
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}
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void
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gtk_toolbar_append_space(GtkToolbar *toolbar)
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{
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gtk_toolbar_insert_space(toolbar, toolbar->num_children);
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}
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void
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gtk_toolbar_prepend_space(GtkToolbar *toolbar)
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{
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gtk_toolbar_insert_space(toolbar, 0);
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}
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void
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gtk_toolbar_insert_space(GtkToolbar *toolbar,
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gint position)
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{
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g_return_if_fail(toolbar != NULL);
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g_return_if_fail(GTK_IS_TOOLBAR(toolbar));
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/* NULL child means it is a space in the toolbar, rather than a button */
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toolbar->children = g_list_insert(toolbar->children, NULL, position);
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toolbar->num_children++;
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if (GTK_WIDGET_VISIBLE(toolbar))
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gtk_widget_queue_resize(GTK_WIDGET(toolbar));
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}
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void
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gtk_toolbar_set_orientation(GtkToolbar *toolbar,
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GtkOrientation orientation)
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{
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gtk_signal_emit(GTK_OBJECT(toolbar), toolbar_signals[ORIENTATION_CHANGED], orientation);
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}
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void
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gtk_toolbar_set_style(GtkToolbar *toolbar,
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GtkToolbarStyle style)
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{
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gtk_signal_emit(GTK_OBJECT(toolbar), toolbar_signals[STYLE_CHANGED], style);
|
|
}
|
|
|
|
void
|
|
gtk_toolbar_set_space_size(GtkToolbar *toolbar,
|
|
gint space_size)
|
|
{
|
|
g_return_if_fail(toolbar != NULL);
|
|
g_return_if_fail(GTK_IS_TOOLBAR(toolbar));
|
|
|
|
if (toolbar->space_size != space_size) {
|
|
toolbar->space_size = space_size;
|
|
gtk_widget_queue_resize(GTK_WIDGET(toolbar));
|
|
}
|
|
}
|
|
|
|
void
|
|
gtk_toolbar_set_tooltips(GtkToolbar *toolbar,
|
|
gint enable)
|
|
{
|
|
g_return_if_fail(toolbar != NULL);
|
|
g_return_if_fail(GTK_IS_TOOLBAR(toolbar));
|
|
|
|
if (enable)
|
|
gtk_tooltips_enable(toolbar->tooltips);
|
|
else
|
|
gtk_tooltips_disable(toolbar->tooltips);
|
|
}
|
|
|
|
static void
|
|
gtk_toolbar_marshal_signal_1(GtkObject *object,
|
|
GtkSignalFunc func,
|
|
gpointer func_data,
|
|
GtkArg *args)
|
|
{
|
|
GtkToolbarSignal1 rfunc;
|
|
|
|
rfunc = (GtkToolbarSignal1) func;
|
|
|
|
(*rfunc) (object, GTK_VALUE_ENUM(args[0]), func_data);
|
|
}
|
|
|
|
static void
|
|
gtk_real_toolbar_orientation_changed(GtkToolbar *toolbar,
|
|
GtkOrientation orientation)
|
|
{
|
|
g_return_if_fail(toolbar != NULL);
|
|
g_return_if_fail(GTK_IS_TOOLBAR(toolbar));
|
|
|
|
if (toolbar->orientation != orientation) {
|
|
toolbar->orientation = orientation;
|
|
gtk_widget_queue_resize(GTK_WIDGET(toolbar));
|
|
}
|
|
}
|
|
|
|
static void
|
|
gtk_real_toolbar_style_changed(GtkToolbar *toolbar,
|
|
GtkToolbarStyle style)
|
|
{
|
|
GList *children;
|
|
Child *child;
|
|
|
|
g_return_if_fail(toolbar != NULL);
|
|
g_return_if_fail(GTK_IS_TOOLBAR(toolbar));
|
|
|
|
if (toolbar->style != style) {
|
|
toolbar->style = style;
|
|
|
|
for (children = toolbar->children; children; children = children->next) {
|
|
child = children->data;
|
|
|
|
if (child)
|
|
switch (style) {
|
|
case GTK_TOOLBAR_ICONS:
|
|
if (!GTK_WIDGET_VISIBLE(child->icon))
|
|
gtk_widget_show(child->icon);
|
|
|
|
if (GTK_WIDGET_VISIBLE(child->label))
|
|
gtk_widget_hide(child->label);
|
|
|
|
break;
|
|
|
|
case GTK_TOOLBAR_TEXT:
|
|
if (GTK_WIDGET_VISIBLE(child->icon))
|
|
gtk_widget_hide(child->icon);
|
|
|
|
if (!GTK_WIDGET_VISIBLE(child->label))
|
|
gtk_widget_show(child->label);
|
|
|
|
break;
|
|
|
|
case GTK_TOOLBAR_BOTH:
|
|
if (!GTK_WIDGET_VISIBLE(child->icon))
|
|
gtk_widget_show(child->icon);
|
|
|
|
if (!GTK_WIDGET_VISIBLE(child->label))
|
|
gtk_widget_show(child->label);
|
|
|
|
break;
|
|
|
|
default:
|
|
g_assert_not_reached();
|
|
}
|
|
}
|
|
|
|
gtk_widget_queue_resize(GTK_WIDGET(toolbar));
|
|
}
|
|
}
|