Split UI code into application/plugin UI and UI library.

1 files changed, 99 insertions, 0 deletions

diff --git a/dggui/nativewindow_x11.h b/dggui/nativewindow_x11.h
new file mode 100644
index 0000000..cb56fbc
--- /dev/null
+++ b/dggui/nativewindow_x11.h
@@ -0,0 +1,99 @@
+/* -*- 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::