Details
-
Bug
-
Resolution: Done
-
Not Evaluated
-
4.8.0
-
None
-
Mac OS X 10.5.8 & 10.7.2
Description
Various issues with QMacCocoaViewContainer make it almost useless in Qt 4.8 RC1. First of all the widget needs to be set to native mode. Second of all the initial size of the QWidget/NSView seems to be reset to zero when the Cocoa view is set. Third, mouse tracking doesn't work at all.
Here's a workaround implementation for hacking around these show stoppers:
// mycocoaviewcontainer.h:
#include <QMacCocoaViewContainer>
class MyCocoaViewContainer : public QMacCocoaViewContainer
{
public:
MyCocoaViewContainer(void *cocoaViewToWrap, QWidget *parent = 0);
protected:
virtual void mouseMoveEvent(QMouseEvent *event);
private:
bool ignoreNextMouseMove;
};
// mycocoaviewcontainer.mm:
#include "mycocoaviewcontainer.h"
MyCocoaViewContainer::MyCocoaViewContainer(void *cocoaViewToWrap, QWidget *parent) : QMacCocoaViewContainer(0, parent),
ignoreNextMouseMove(false)
{
setAttribute(Qt::WA_NativeWindow);
NSView *view = (NSView*)cocoaViewToWrap;
setFixedSize(view.bounds.size.width, view.bounds.size.height);
setCocoaView(cocoaViewToWrap);
setMouseTracking(true);
}
void MyCocoaViewContainer::mouseMoveEvent(QMouseEvent *event)
{
if (event->buttons() || ignoreNextMouseMove)
return;
NSUInteger modifierFlags = 0;
if (event->modifiers() & Qt::ShiftModifier)
modifierFlags |= NSShiftKeyMask;
if (event->modifiers() & Qt::ControlModifier)
modifierFlags |= NSCommandKeyMask;
if (event->modifiers() & Qt::AltModifier)
modifierFlags |= NSAlternateKeyMask;
if (event->modifiers() & Qt::MetaModifier)
modifierFlags |= NSControlKeyMask;
if (event->modifiers() & Qt::KeypadModifier)
modifierFlags |= NSNumericPadKeyMask;
NSView *view = (NSView*)cocoaView();
ignoreNextMouseMove = true;
[view mouseMoved:[NSEvent mouseEventWithType:NSMouseMoved location:[view convertPoint:NSMakePoint(event->x(), event->y()) toView:nil] modifierFlags:modifierFlags timestamp:0 windowNumber:(([view window] != nil) ? [[view window] windowNumber] : 0) context:[NSGraphicsContext currentContext] eventNumber:0 clickCount:0 pressure:0]];
ignoreNextMouseMove = false;
}