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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
46QT_BEGIN_NAMESPACE
47
48static QBasicAtomicInt winIdGenerator = Q_BASIC_ATOMIC_INITIALIZER(0);
49
50QFbWindow::QFbWindow(QWindow *window)
51 : QPlatformWindow(window), mBackingStore(0), mWindowState(Qt::WindowNoState)
52{
53 mWindowId = winIdGenerator.fetchAndAddRelaxed(valueToAdd: 1) + 1;
54}
55
56QFbWindow::~QFbWindow()
57{
58}
59
60QFbScreen *QFbWindow::platformScreen() const
61{
62 return static_cast<QFbScreen *>(window()->screen()->handle());
63}
64
65void QFbWindow::setGeometry(const QRect &rect)
66{
67 // store previous geometry for screen update
68 mOldGeometry = geometry();
69
70 QWindowSystemInterface::handleGeometryChange(window: window(), newRect: rect);
71
72 QPlatformWindow::setGeometry(rect);
73
74 if (mOldGeometry != rect)
75 QWindowSystemInterface::handleExposeEvent(window: window(), region: QRect(QPoint(0, 0), geometry().size()));
76}
77
78void QFbWindow::setVisible(bool visible)
79{
80 QRect newGeom;
81 QFbScreen *fbScreen = platformScreen();
82 if (visible) {
83 bool convOk = false;
84 static bool envDisableForceFullScreen = qEnvironmentVariableIntValue(varName: "QT_QPA_FB_FORCE_FULLSCREEN", ok: &convOk) == 0 && convOk;
85 const bool platformDisableForceFullScreen = fbScreen->flags().testFlag(flag: 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(window: this);
96 else
97 fbScreen->removeWindow(window: 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: window(), region: QRect(QPoint(0, 0), geometry().size()));
107 }
108}
109
110void QFbWindow::setWindowState(Qt::WindowStates state)
111{
112 QPlatformWindow::setWindowState(state);
113 mWindowState = state;
114}
115
116void QFbWindow::setWindowFlags(Qt::WindowFlags flags)
117{
118 mWindowFlags = flags;
119}
120
121Qt::WindowFlags QFbWindow::windowFlags() const
122{
123 return mWindowFlags;
124}
125
126void QFbWindow::raise()
127{
128 platformScreen()->raise(window: this);
129 QWindowSystemInterface::handleExposeEvent(window: window(), region: QRect(QPoint(0, 0), geometry().size()));
130}
131
132void QFbWindow::lower()
133{
134 platformScreen()->lower(window: this);
135 QWindowSystemInterface::handleExposeEvent(window: window(), region: QRect(QPoint(0, 0), geometry().size()));
136}
137
138void QFbWindow::repaint(const QRegion &region)
139{
140 const QRect currentGeometry = geometry();
141 const QRect dirtyClient = region.boundingRect();
142 const QRect dirtyRegion = dirtyClient.translated(p: 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
151QT_END_NAMESPACE
152

source code of qtbase/src/platformsupport/fbconvenience/qfbwindow.cpp