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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* nativewindow_x11.h
*
* Fri Dec 28 18:45:56 CET 2012
* Copyright 2012 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <queue>
#include <X11/Xlib.h>
#include <X11/extensions/XShm.h>
#include "nativewindow.h"
namespace GUI
{
class Window;
class NativeWindowX11
: public NativeWindow
{
public:
NativeWindowX11(void* native_window, Window& window);
~NativeWindowX11();
// From NativeWindow:
void setFixedSize(std::size_t width, std::size_t height) override;
void setAlwaysOnTop(bool always_on_top) override;
void resize(std::size_t width, std::size_t height) override;
std::pair<std::size_t, std::size_t> getSize() const override;
void move(int x, int y) override;
std::pair<int, int> getPosition() const override;
void show() override;
void hide() override;
bool visible() const override;
void setCaption(const std::string &caption) override;
void redraw(const Rect& dirty_rect) override;
void grabMouse(bool grab) override;
EventQueue getEvents() override;
void* getNativeWindowHandle() const override;
Point translateToScreen(const Point& point) override;
private:
void translateXMessage(XEvent& xevent);
//! Allocate new shared memory buffer for the pixel buffer.
//! Frees the existing buffer if there is one.
void allocateShmImage(std::size_t width, std::size_t height);
//! Deallocate image and shm resources.
void deallocateShmImage();
//! Copy data from the pixel buffer into the shared memory
void updateImageFromBuffer(std::size_t x1, std::size_t y1,
std::size_t x2, std::size_t y2);
XShmSegmentInfo shm_info;
XImage* image{nullptr};
::Window xwindow{0};
GC gc{0};
Window& window;
Time last_click{0};
Display* display{nullptr};
int screen{0};
int depth{0};
Visual* visual{nullptr};
Atom wmDeleteMessage{0};
::Window parent_window;
EventQueue event_queue;
};
} // GUI::
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