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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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 "notifyinglayout.hxx"
struct _NotifyingLayout
{
GtkLayoutManager parent_instance;
GtkWidget* m_pWidget;
GtkLayoutManager* m_pOrigManager;
Link<void*, void> m_aLink;
};
G_DEFINE_TYPE(NotifyingLayout, notifying_layout, GTK_TYPE_LAYOUT_MANAGER)
static void notifying_layout_measure(GtkLayoutManager* pLayoutManager, GtkWidget* widget,
GtkOrientation orientation, int for_size, int* minimum,
int* natural, int* minimum_baseline, int* natural_baseline)
{
NotifyingLayout* self = NOTIFYING_LAYOUT(pLayoutManager);
GtkLayoutManagerClass* pKlass
= GTK_LAYOUT_MANAGER_CLASS(G_OBJECT_GET_CLASS(self->m_pOrigManager));
pKlass->measure(self->m_pOrigManager, widget, orientation, for_size, minimum, natural,
minimum_baseline, natural_baseline);
}
static void notifying_layout_allocate(GtkLayoutManager* pLayoutManager, GtkWidget* widget,
int width, int height, int baseline)
{
NotifyingLayout* self = NOTIFYING_LAYOUT(pLayoutManager);
GtkLayoutManagerClass* pKlass
= GTK_LAYOUT_MANAGER_CLASS(G_OBJECT_GET_CLASS(self->m_pOrigManager));
pKlass->allocate(self->m_pOrigManager, widget, width, height, baseline);
self->m_aLink.Call(nullptr);
}
static GtkSizeRequestMode notifying_layout_get_request_mode(GtkLayoutManager* pLayoutManager,
GtkWidget* widget)
{
NotifyingLayout* self = NOTIFYING_LAYOUT(pLayoutManager);
GtkLayoutManagerClass* pKlass
= GTK_LAYOUT_MANAGER_CLASS(G_OBJECT_GET_CLASS(self->m_pOrigManager));
return pKlass->get_request_mode(self->m_pOrigManager, widget);
}
static void notifying_layout_class_init(NotifyingLayoutClass* klass)
{
GtkLayoutManagerClass* layout_class = GTK_LAYOUT_MANAGER_CLASS(klass);
layout_class->get_request_mode = notifying_layout_get_request_mode;
layout_class->measure = notifying_layout_measure;
layout_class->allocate = notifying_layout_allocate;
}
static void notifying_layout_init(NotifyingLayout* self)
{
self->m_pWidget = nullptr;
self->m_pOrigManager = nullptr;
// prevent loplugin:unreffun firing on macro generated function
(void)notifying_layout_get_instance_private(self);
}
void notifying_layout_start_watch(NotifyingLayout* self, GtkWidget* pWidget,
const Link<void*, void>& rLink)
{
self->m_pWidget = pWidget;
self->m_aLink = rLink;
self->m_pOrigManager = gtk_widget_get_layout_manager(self->m_pWidget);
g_object_ref(self->m_pOrigManager);
gtk_widget_set_layout_manager(pWidget, GTK_LAYOUT_MANAGER(self));
}
void notifying_layout_stop_watch(NotifyingLayout* self)
{
gtk_widget_set_layout_manager(self->m_pWidget, self->m_pOrigManager);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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