summaryrefslogtreecommitdiff
path: root/dggui/window.cc
blob: 19af2ad167d445137f4599d348af800fd9ffd0b3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
 *            window.cc
 *
 *  Sun Oct  9 13:11:53 CEST 2011
 *  Copyright 2011 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.
 */
#include "window.h"

#include <cstring>

#include "painter.h"

#ifndef UI_PUGL
#ifdef UI_X11
#include "nativewindow_x11.h"
#endif // UI_X11
#ifdef UI_WIN32
#include "nativewindow_win32.h"
#endif // UI_WIN32
#ifdef UI_COCOA
#include "nativewindow_cocoa.h"
#endif // UI_COCOA
#else
#include "nativewindow_pugl.h"
#endif // !UI_PUGL

namespace dggui
{

Window::Window(void* native_window)
	: Widget(nullptr)
	, wpixbuf(1, 1)
{
	// Make sure we have a valid size when initialising the NativeWindow
	_width = wpixbuf.width;
	_height = wpixbuf.height;

#ifndef UI_PUGL
#ifdef UI_X11
	native = new NativeWindowX11(native_window, *this);
#endif // UI_X11
#ifdef UI_WIN32
	native = new NativeWindowWin32(native_window, *this);
#endif // UI_WIN32
#ifdef UI_COCOA
	native = new NativeWindowCocoa(native_window, *this);
#endif // UI_COCOA
#else
	// Use pugl
	native = new NativeWindowPugl(native_window, *this);
#endif // !UI_PUGL

	eventhandler = new EventHandler(*native, *this);

	setVisible(true); // The root widget is always visible.
}

Window::~Window()
{
	delete native;
	delete eventhandler;
}

void Window::setFixedSize(int w, int h)
{
	native->setFixedSize(w, h);
}

void Window::setAlwaysOnTop(bool always_on_top)
{
	native->setAlwaysOnTop(always_on_top);
}

void Window::setCaption(const std::string& caption)
{
	native->setCaption(caption);
}

//! This overload the resize method on Widget and simply requests a window resize
//! on the windowmanager/OS. The resized() method is called by the event handler
//! once the window has been resized.
void Window::resize(std::size_t width, std::size_t height)
{
	native->resize(width, height);
}

//! This overload the move method on Widget and simply requests a window move
//! on the windowmanager/OS. The moved() method is called by the event handler
//! once the window has been moved.
void Window::move(int x, int y)
{
	native->move(x, y);
}

void Window::show()
{
	Widget::show();
	redraw();
	native->show();
}

void Window::hide()
{
	native->hide();
	Widget::hide();
}

Window* Window::window()
{
	return this;
}

Size Window::getNativeSize()
{
	auto sz = native->getSize();
	return {sz.first, sz.second};
}

ImageCache& Window::getImageCache()
{
	return image_cache;
}

EventHandler* Window::eventHandler()
{
	return eventhandler;
}

Widget* Window::keyboardFocus()
{
	return _keyboardFocus;
}

void Window::setKeyboardFocus(Widget* widget)
{
	auto oldFocusWidget = _keyboardFocus;
	_keyboardFocus = widget;

	if(oldFocusWidget)
	{
		oldFocusWidget->redraw();
	}

	if(_keyboardFocus)
	{
		_keyboardFocus->redraw();
	}
}

Widget* Window::buttonDownFocus()
{
	return _buttonDownFocus;
}

void Window::setButtonDownFocus(Widget* widget)
{
	_buttonDownFocus = widget;
	native->grabMouse(widget != nullptr);
}

Widget* Window::mouseFocus()
{
	return _mouseFocus;
}

void Window::setMouseFocus(Widget* widget)
{
	_mouseFocus = widget;

}

void Window::needsRedraw()
{
	needs_redraw = true;
}

void* Window::getNativeWindowHandle() const
{
	return native->getNativeWindowHandle();
}

Point Window::translateToScreen(const Point& point)
{
	return native->translateToScreen(point);
}

std::size_t Window::translateToWindowX()
{
	return 0;
}

std::size_t Window::translateToWindowY()
{
	return 0;
}

//! Called by event handler when an windowmanager/OS window resize event has
//! been received. Do not call this directly.
void Window::resized(std::size_t width, std::size_t height)
{
	auto size = native->getSize();
	if((wpixbuf.width != size.first) ||
	   (wpixbuf.height != size.second))
	{
		wpixbuf.realloc(size.first, size.second);
		Widget::resize(size.first, size.second);
	}

	updateBuffer();
}

//! Called by event handler when an windowmanager/OS window move event has
//! been received. Do not call this directly.
void Window::moved(int x, int y)
{
	// Make sure widget coordinates are updated.
	Widget::move(x, y);
}

bool Window::updateBuffer()
{
	if(!native)
	{
		return false;
	}

	if(!needs_redraw)
	{
		// Nothing changed, don't update anything.
		return false;
	}

	auto pixel_buffers = getPixelBuffers();

	auto dirty_rect = wpixbuf.updateBuffer(pixel_buffers);

	if(!dirty_rect.empty())
	{
		native->redraw(dirty_rect);
	}
	needs_redraw = false;

	return true;
}

} // dggui::