I'm trying to work around a problem on Macintosh where Qt 5.6 leaves the menu
bar and menu items in a disabled state (Qt mistakenly believes a modal window
exists, apparently).
I'd like to try calling QCocoaMenuBar::updateMenuBarImmediately() in the Qt
library, implemented here:
/qtbuild5/qt/qtbase/src/plugins/platforms/cocoa/qcocoamenubar.mm:
void QCocoaMenuBar::updateMenuBarImmediately()
{
...
Not sure if/how the QPlatform API can be used from application code to call
QCocoaMenuBar::updateMenuBarImmediately.
I also seem to remember stumbling upon source that used QCocoaNativeInterface
to call platform code from application source:
.../qt/qtbase/src/plugins/platforms/cocoa/qcocoanativeinterface.mm:
void QCocoaNativeInterface::onAppFocusWindowChanged(QWindow *window)
{
Q_UNUSED(window);
QCocoaMenuBar::updateMenuBarImmediately();
}
Or would we need to patch Qt to add onAppFocusWindowChanged to
QCocoaNativeInterface::platformFunction?
QFunctionPointer QCocoaNativeInterface::platformFunction(const QByteArray
&function) const
{
if (function ==
QCocoaWindowFunctions::bottomLeftClippedByNSWindowOffsetIdentifier())
return
QFunctionPointer(QCocoaWindowFunctions::BottomLeftClippedByNSWindowOffset(QCocoaWindow::bottomLeftClippedByNSWindowOffsetStatic));
return Q_NULLPTR;
}
Any pointers on how to either call updateMenuBarImmediately or use the
QPlatform API from application code would be appreciated.
--Jim
===============================================
Jim Prouty
Voice: (503) 620-3001, FAX: (503) 620-6754
Makers of IGOR Pro, scientific data analysis and graphing for Mac and PC
http://www.wavemetrics.com
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