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35 #ifndef FULLSCREENEXITBUTTON_H
36 #define FULLSCREENEXITBUTTON_H
38 #include <QToolButton>
42 class FullScreenExitButton : public QToolButton
46 inline explicit FullScreenExitButton(QWidget *parent);
49 inline void reenable();
51 inline bool eventFilter(QObject *obj, QEvent *ev);
57 FullScreenExitButton::FullScreenExitButton(QWidget *parent)
63 // set the fullsize icon from Maemo's theme
64 setIcon(QIcon("/usr/share/icons/hicolor/48x48/hildon/general_fullsize.png"));
66 setText(tr("Toggle Fullscreen"));
69 // ensure that our size is fixed to our ideal size
70 setFixedSize(sizeHint());
72 // set the background to 0.5 alpha
73 QPalette pal = palette();
74 QColor backgroundColor = pal.color(backgroundRole());
75 backgroundColor.setAlpha(128);
76 pal.setColor(backgroundRole(), backgroundColor);
79 // ensure that we're painting our background
80 setAutoFillBackground(true);
82 // hide after 4s of inactivity
83 connect(&hide_timer, SIGNAL(timeout()), this, SLOT(hide()));
84 hide_timer.setInterval(4000);
85 hide_timer.setSingleShot(true);
87 // install an event filter to listen for the parent's events
88 parent->installEventFilter(this);
90 setVisible(false); //assuming we don't start in fullscreen
93 bool FullScreenExitButton::eventFilter(QObject *obj, QEvent *ev)
96 return QToolButton::eventFilter(obj, ev);
98 return QToolButton::eventFilter(obj, ev);
100 const QWidget *parent = parentWidget();
101 const bool isFullScreen = parent->windowState() & Qt::WindowFullScreen;
103 switch (ev->type()) {
104 case QEvent::MouseButtonPress:
105 case QEvent::MouseButtonRelease:
106 case QEvent::MouseMove:
107 case QEvent::HoverMove:
108 //fall through to show button
109 case QEvent::WindowStateChange:
110 setVisible(isFullScreen);
118 move(parent->width() - width(), parent->height() - height());
126 return QToolButton::eventFilter(obj, ev);
129 void FullScreenExitButton::reenable()
133 const QWidget *parent = parentWidget();
134 const bool isFullScreen = parent->windowState() & Qt::WindowFullScreen;
135 setVisible(isFullScreen);