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39 
40 #include "qfbwindow_p.h"
41 #include "qfbscreen_p.h"
42 
43 #include <QtGui/QScreen>
44 #include <qpa/qwindowsysteminterface.h>
45 
46 QT_BEGIN_NAMESPACE
47 
48 static QBasicAtomicInt winIdGenerator = Q_BASIC_ATOMIC_INITIALIZER(0);
49 
QFbWindow(QWindow * window)50 QFbWindow::QFbWindow(QWindow *window)
51     : QPlatformWindow(window), mBackingStore(0), mWindowState(Qt::WindowNoState)
52 {
53     mWindowId = winIdGenerator.fetchAndAddRelaxed(1) + 1;
54 }
55 
~QFbWindow()56 QFbWindow::~QFbWindow()
57 {
58 }
59 
platformScreen() const60 QFbScreen *QFbWindow::platformScreen() const
61 {
62     return static_cast<QFbScreen *>(window()->screen()->handle());
63 }
64 
setGeometry(const QRect & rect)65 void QFbWindow::setGeometry(const QRect &rect)
66 {
67     // store previous geometry for screen update
68     mOldGeometry = geometry();
69 
70     QWindowSystemInterface::handleGeometryChange(window(), rect);
71 
72     QPlatformWindow::setGeometry(rect);
73 
74     if (mOldGeometry != rect)
75         QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
76 }
77 
setVisible(bool visible)78 void QFbWindow::setVisible(bool visible)
79 {
80     QRect newGeom;
81     QFbScreen *fbScreen = platformScreen();
82     if (visible) {
83         bool convOk = false;
84         static bool envDisableForceFullScreen = qEnvironmentVariableIntValue("QT_QPA_FB_FORCE_FULLSCREEN", &convOk) == 0 && convOk;
85         const bool platformDisableForceFullScreen = fbScreen->flags().testFlag(QFbScreen::DontForceFirstWindowToFullScreen);
86         const bool forceFullScreen = !envDisableForceFullScreen && !platformDisableForceFullScreen && fbScreen->windowCount() == 0;
87         if (forceFullScreen || (mWindowState & Qt::WindowFullScreen))
88             newGeom = platformScreen()->geometry();
89         else if (mWindowState & Qt::WindowMaximized)
90             newGeom = platformScreen()->availableGeometry();
91     }
92     QPlatformWindow::setVisible(visible);
93 
94     if (visible)
95         fbScreen->addWindow(this);
96     else
97         fbScreen->removeWindow(this);
98 
99     if (!newGeom.isEmpty())
100         setGeometry(newGeom); // may or may not generate an expose
101 
102     if (newGeom.isEmpty() || newGeom == mOldGeometry) {
103         // QWindow::isExposed() maps to QWindow::visible() by default so simply
104         // generating an expose event regardless of this being a show or hide is
105         // just what is needed here.
106         QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
107     }
108 }
109 
setWindowState(Qt::WindowStates state)110 void QFbWindow::setWindowState(Qt::WindowStates state)
111 {
112     QPlatformWindow::setWindowState(state);
113     mWindowState = state;
114 }
115 
setWindowFlags(Qt::WindowFlags flags)116 void QFbWindow::setWindowFlags(Qt::WindowFlags flags)
117 {
118     mWindowFlags = flags;
119 }
120 
windowFlags() const121 Qt::WindowFlags QFbWindow::windowFlags() const
122 {
123     return mWindowFlags;
124 }
125 
raise()126 void QFbWindow::raise()
127 {
128     platformScreen()->raise(this);
129     QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
130 }
131 
lower()132 void QFbWindow::lower()
133 {
134     platformScreen()->lower(this);
135     QWindowSystemInterface::handleExposeEvent(window(), QRect(QPoint(0, 0), geometry().size()));
136 }
137 
repaint(const QRegion & region)138 void QFbWindow::repaint(const QRegion &region)
139 {
140     const QRect currentGeometry = geometry();
141     const QRect dirtyClient = region.boundingRect();
142     const QRect dirtyRegion = dirtyClient.translated(currentGeometry.topLeft());
143     const QRect oldGeometryLocal = mOldGeometry;
144     mOldGeometry = currentGeometry;
145     // If this is a move, redraw the previous location
146     if (oldGeometryLocal != currentGeometry)
147         platformScreen()->setDirty(oldGeometryLocal);
148     platformScreen()->setDirty(dirtyRegion);
149 }
150 
151 QT_END_NAMESPACE
152