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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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_VCL_INC_UNX_GTK_GTKOBJECT_HXX
#define INCLUDED_VCL_INC_UNX_GTK_GTKOBJECT_HXX
#include <tools/solar.h>
#include <vcl/sysdata.hxx>
#include <salobj.hxx>
#include <unx/gtk/gtkframe.hxx>
class GtkSalObjectBase : public SalObject
{
protected:
SystemEnvData m_aSystemData;
GtkWidget* m_pSocket;
GtkSalFrame* m_pParent;
cairo_region_t* m_pRegion;
void Init();
public:
GtkSalObjectBase(GtkSalFrame* pParent);
virtual ~GtkSalObjectBase() override;
virtual void BeginSetClipRegion( sal_uInt32 nRects ) override;
virtual void UnionClipRegion( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
virtual void SetForwardKey( bool bEnable ) override;
virtual const SystemEnvData* GetSystemData() const override;
virtual Size GetOptimalSize() const override;
private:
// signals
#if !GTK_CHECK_VERSION(4, 0, 0)
static gboolean signalButton( GtkWidget*, GdkEventButton*, gpointer );
static gboolean signalFocus( GtkWidget*, GdkEventFocus*, gpointer );
#endif
};
// this attempts to clip the hosted native window using gdk_window_shape_combine_region
class GtkSalObject final : public GtkSalObjectBase
{
// signals
static void signalDestroy( GtkWidget*, gpointer );
public:
GtkSalObject(GtkSalFrame* pParent, bool bShow);
virtual ~GtkSalObject() override;
// override all pure virtual methods
virtual void ResetClipRegion() override;
virtual void EndSetClipRegion() override;
virtual void SetPosSize( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
virtual void Show( bool bVisible ) override;
virtual void Reparent(SalFrame* pFrame) override;
};
// this attempts to clip the hosted native GtkWidget by using a GtkScrolledWindow as a viewport
// only a rectangular area is going to work
class GtkSalObjectWidgetClip final : public GtkSalObjectBase
{
tools::Rectangle m_aRect;
tools::Rectangle m_aClipRect;
GtkWidget* m_pScrolledWindow;
GtkWidget* m_pViewPort;
GtkCssProvider* m_pBgCssProvider;
// signals
#if !GTK_CHECK_VERSION(4, 0, 0)
static gboolean signalScroll(GtkWidget*, GdkEvent*, gpointer);
#else
static gboolean signalScroll(GtkEventControllerScroll* pController, double delta_x, double delta_y, gpointer object);
#endif
static void signalDestroy( GtkWidget*, gpointer );
#if !GTK_CHECK_VERSION(4, 0, 0)
bool signal_scroll(GtkWidget* pScrolledWindow, GdkEvent* pEvent);
#else
bool signal_scroll(GtkEventControllerScroll* pController, double delta_x, double delta_y);
#endif
void ApplyClipRegion();
void SetViewPortBackground();
DECL_LINK(SettingsChangedHdl, VclWindowEvent&, void);
public:
GtkSalObjectWidgetClip(GtkSalFrame* pParent, bool bShow);
virtual ~GtkSalObjectWidgetClip() override;
// override all pure virtual methods
virtual void ResetClipRegion() override;
virtual void EndSetClipRegion() override;
virtual void SetPosSize( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) override;
virtual void Show( bool bVisible ) override;
virtual void Reparent(SalFrame* pFrame) override;
};
#endif // INCLUDED_VCL_INC_UNX_GTK_GTKOBJECT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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