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Fixed problem with single click on a systemtray icon in Qt 4.7 or above running on Windows XP or lower

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- before Qt 4.7.0 the message MYWM_NOTIFYICON/WM_LBUTTONUP was handled to emit activted(QSystemTrayIcon::Trigger)
- after Qt 4.7.0 the message MYWM_NOTIFYICON/NIN_SELECT is handled. This message is not sent in Windows XP

Solution: set an event filter and modify the message from WM_LBUTTONUP to NIN_SELECT

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5458 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2 2012-08-23 00:15:59 +00:00
parent 70cbd3c84d
commit e00f64450b
1 changed files with 44 additions and 0 deletions
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44
retroshare-gui/src/gui/MainWindow.cpp
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@ -156,6 +156,43 @@
/*static*/ MainWindow *MainWindow::_instance = NULL;
#ifdef WINDOWS_SYS
#if QT_VERSION >= 0x040700
#define INSTALL_SYSTRAYICON_EVENT
QCoreApplication::EventFilter g_eventFilter = NULL;
// Fix problem with single click on a systemtray icon in Qt 4.7 or above running on Windows XP or lower
// - before Qt 4.7.0 the message MYWM_NOTIFYICON/WM_LBUTTONUP was handled to emit activted(QSystemTrayIcon::Trigger)
// - after Qt 4.7.0 the message MYWM_NOTIFYICON/NIN_SELECT is handled. This message is not sent in Windows XP
// Solution: set an event filter and modify the message from WM_LBUTTONUP to NIN_SELECT
// taken from qsystemtrayicon_win.cpp
#define MYWM_NOTIFYICON (WM_APP+101)
#ifndef NIN_SELECT
#define NIN_SELECT (WM_USER + 0)
#endif
bool sysTrayIconEventFilter(void *message, long *result)
{
MSG *msg = (MSG*) message;
if (msg->message == MYWM_NOTIFYICON) {
if (msg->lParam == WM_LBUTTONUP) {
msg->lParam = NIN_SELECT;
return false;
}
}
if (g_eventFilter)
return g_eventFilter(message, result);
return false;
}
#endif // QT_VERSION >= 0x040700
#endif // WINDOWS_SYS
/** create main window */
/*static*/ MainWindow *MainWindow::Create ()
{
@ -179,6 +216,13 @@ MainWindow::MainWindow(QWidget* parent, Qt::WFlags flags)
/* Invoke the Qt Designer generated QObject setup routine */
ui.setupUi(this);
#ifdef INSTALL_SYSTRAYICON_EVENT
if (QSysInfo::windowsVersion() < QSysInfo::WV_VISTA) {
std::cerr << "Running Windows XP or older, install systemtray icon event filter" << std::endl;
g_eventFilter = qApp->setEventFilter(sysTrayIconEventFilter);
}
#endif
_instance = this;
m_bStatusLoadDone = false;