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
|
/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QWASMCOMPOSITOR_H
#define QWASMCOMPOSITOR_H
#include <QtGui/qregion.h>
#include <qpa/qplatformwindow.h>
#include <QtGui/qopengltextureblitter.h>
#include <QtGui/qopengltexture.h>
#include <QtGui/qpalette.h>
#include <QtGui/qpainter.h>
QT_BEGIN_NAMESPACE
class QWasmWindow;
class QWasmScreen;
class QOpenGLContext;
class QOpenGLTextureBlitter;
class QWasmCompositedWindow
{
public:
QWasmCompositedWindow();
QWasmWindow *window;
QWasmWindow *parentWindow;
QRegion damage;
bool flushPending;
bool visible;
QList<QWasmWindow *> childWindows;
};
class QWasmCompositor : public QObject
{
Q_OBJECT
public:
QWasmCompositor(QWasmScreen *screen);
~QWasmCompositor();
void destroy();
enum QWasmSubControl {
SC_None = 0x00000000,
SC_TitleBarSysMenu = 0x00000001,
SC_TitleBarMinButton = 0x00000002,
SC_TitleBarMaxButton = 0x00000004,
SC_TitleBarCloseButton = 0x00000008,
SC_TitleBarNormalButton = 0x00000010,
SC_TitleBarLabel = 0x00000100
};
Q_DECLARE_FLAGS(SubControls, QWasmSubControl)
enum QWasmStateFlag {
State_None = 0x00000000,
State_Enabled = 0x00000001,
State_Raised = 0x00000002,
State_Sunken = 0x00000004
};
Q_DECLARE_FLAGS(StateFlags, QWasmStateFlag)
struct QWasmTitleBarOptions {
QRect rect;
Qt::WindowFlags flags;
int state;
QPalette palette;
QString titleBarOptionsString;
QWasmCompositor::SubControls subControls;
};
struct QWasmFrameOptions {
QRect rect;
int lineWidth;
QPalette palette;
};
void setEnabled(bool enabled);
void addWindow(QWasmWindow *window, QWasmWindow *parentWindow = nullptr);
void removeWindow(QWasmWindow *window);
void setVisible(QWasmWindow *window, bool visible);
void raise(QWasmWindow *window);
void lower(QWasmWindow *window);
void setParent(QWasmWindow *window, QWasmWindow *parent);
void flush(QWasmWindow *surface, const QRegion ®ion);
int windowCount() const;
void redrawWindowContent();
void requestRedraw();
QWindow *windowAt(QPoint globalPoint, int padding = 0) const;
QWindow *keyWindow() const;
bool event(QEvent *event);
static QWasmTitleBarOptions makeTitleBarOptions(const QWasmWindow *window);
static QRect titlebarRect(QWasmTitleBarOptions tb, QWasmCompositor::SubControls subcontrol);
QWasmScreen *screen();
QOpenGLContext *context();
private slots:
void frame();
private:
void notifyTopWindowChanged(QWasmWindow *window);
void drawWindow(QOpenGLTextureBlitter *blitter, QWasmScreen *screen, QWasmWindow *window);
void drawWindowContent(QOpenGLTextureBlitter *blitter, QWasmScreen *screen, QWasmWindow *window);
void blit(QOpenGLTextureBlitter *blitter, QWasmScreen *screen, const QOpenGLTexture *texture, QRect targetGeometry);
void drawWindowDecorations(QOpenGLTextureBlitter *blitter, QWasmScreen *screen, QWasmWindow *window);
void drwPanelButton();
QScopedPointer<QOpenGLContext> m_context;
QScopedPointer<QOpenGLTextureBlitter> m_blitter;
QHash<QWasmWindow *, QWasmCompositedWindow> m_compositedWindows;
QList<QWasmWindow *> m_windowStack;
QRegion m_globalDamage; // damage caused by expose, window close, etc.
bool m_needComposit;
bool m_inFlush;
bool m_inResize;
bool m_isEnabled;
QSize m_targetSize;
qreal m_targetDevicePixelRatio;
static QPalette makeWindowPalette();
void drawFrameWindow(QWasmFrameOptions options, QPainter *painter);
void drawTitlebarWindow(QWasmTitleBarOptions options, QPainter *painter);
void drawShadePanel(QWasmTitleBarOptions options, QPainter *painter);
void drawItemPixmap(QPainter *painter, const QRect &rect,
int alignment, const QPixmap &pixmap) const;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QWasmCompositor::SubControls)
QT_END_NAMESPACE
#endif
|
