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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qfbwindow_p.h"
#include "qfbscreen_p.h"
#include <QtGui/QScreen>
#include <qpa/qwindowsysteminterface.h>
QT_BEGIN_NAMESPACE
static QBasicAtomicInt winIdGenerator = Q_BASIC_ATOMIC_INITIALIZER(0);
QFbWindow::QFbWindow(QWindow *window)
: QPlatformWindow(window), mBackingStore(0), mWindowState(Qt::WindowNoState)
{
mWindowId = winIdGenerator.fetchAndAddRelaxed(1) + 1;
}
QFbWindow::~QFbWindow()
{
}
QFbScreen *QFbWindow::platformScreen() const
{
return static_cast<QFbScreen *>(window()->screen()->handle());
}
void QFbWindow::setGeometry(const QRect &rect)
{
// store previous geometry for screen update
mOldGeometry = geometry();
QWindowSystemInterface::handleGeometryChange(window(), rect);
QPlatformWindow::setGeometry(rect);
if (mOldGeometry != rect)
QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
}
void QFbWindow::setVisible(bool visible)
{
QRect newGeom;
QFbScreen *fbScreen = platformScreen();
if (visible) {
bool convOk = false;
static bool envDisableForceFullScreen = qEnvironmentVariableIntValue("QT_QPA_FB_FORCE_FULLSCREEN", &convOk) == 0 && convOk;
const bool platformDisableForceFullScreen = fbScreen->flags().testFlag(QFbScreen::DontForceFirstWindowToFullScreen);
const bool forceFullScreen = !envDisableForceFullScreen && !platformDisableForceFullScreen && fbScreen->windowCount() == 0;
if (forceFullScreen || (mWindowState & Qt::WindowFullScreen))
newGeom = platformScreen()->geometry();
else if (mWindowState & Qt::WindowMaximized)
newGeom = platformScreen()->availableGeometry();
}
QPlatformWindow::setVisible(visible);
if (visible)
fbScreen->addWindow(this);
else
fbScreen->removeWindow(this);
if (!newGeom.isEmpty())
setGeometry(newGeom); // may or may not generate an expose
if (newGeom.isEmpty() || newGeom == mOldGeometry) {
// QWindow::isExposed() maps to QWindow::visible() by default so simply
// generating an expose event regardless of this being a show or hide is
// just what is needed here.
QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
}
}
void QFbWindow::setWindowState(Qt::WindowStates state)
{
QPlatformWindow::setWindowState(state);
mWindowState = state;
}
void QFbWindow::setWindowFlags(Qt::WindowFlags flags)
{
mWindowFlags = flags;
}
Qt::WindowFlags QFbWindow::windowFlags() const
{
return mWindowFlags;
}
void QFbWindow::raise()
{
platformScreen()->raise(this);
QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
}
void QFbWindow::lower()
{
platformScreen()->lower(this);
QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
}
void QFbWindow::repaint(const QRegion ®ion)
{
const QRect currentGeometry = geometry();
const QRect oldGeometryLocal = mOldGeometry;
mOldGeometry = currentGeometry;
// If this is a move, redraw the previous location
if (oldGeometryLocal != currentGeometry)
platformScreen()->setDirty(oldGeometryLocal);
auto topLeft = currentGeometry.topLeft();
for (auto rect : region)
platformScreen()->setDirty(rect.translated(topLeft));
}
QT_END_NAMESPACE
|
