wxNSCustomOpenGLView(Gesture) Category Reference

Instance Methods
(void)	- onGestureMove: [implementation]
(void)	- onGestureScale: [implementation]
(void)	- onGestureRotate: [implementation]
(void)	- postEvent:withGesture: [implementation]
(void)	- scrollWheel2: [implementation]
(void)	- initGesturesWithHandler: [implementation]

Class Methods
(void)	+ load [implementation]

Detailed Description

Method Documentation

initGesturesWithHandler:

- (void) initGesturesWithHandler: (wxEvtHandler*) handler

implementation

Extends class wxNSCustomOpenGLView.

                                : (wxEvtHandler*) handler
{
//    NSPanGestureRecognizer * pan = [[NSPanGestureRecognizer alloc] initWithTarget: self action: @selector(onGestureMove:)];
//    pan.numberOfTouchesRequired = 2;
//    pan.allowedTouchTypes = 0;
//    NSMagnificationGestureRecognizer * magnification = [[NSMagnificationGestureRecognizer alloc] initWithTarget: self action: @selector(onGestureScale:)];
//    NSRotationGestureRecognizer * rotation = [[NSRotationGestureRecognizer alloc] initWithTarget: self action: @selector(onGestureRotate:)];
//    [self addGestureRecognizer:pan];
//    [self addGestureRecognizer:magnification];
//    [self addGestureRecognizer:rotation];
    objc_setAssociatedObject(self, &gesture_handler_key, handler ? [NSValue valueWithPointer:handler] : nil,
        OBJC_ASSOCIATION_RETAIN_NONATOMIC);
    set_scroll_pan_active(self, false);
}

References gesture_handler_key, and set_scroll_pan_active().

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load

+ (void) load

implementation

Extends class wxNSCustomOpenGLView.

{
    Method scrollWheel = class_getInstanceMethod([wxNSCustomOpenGLView class], @selector(scrollWheel:));
    Method scrollWheel2 = class_getInstanceMethod([wxNSCustomOpenGLView class], @selector(scrollWheel2:));
    method_exchangeImplementations(scrollWheel, scrollWheel2);
}

References load.

Referenced by load.

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onGestureMove:

- (void) onGestureMove: (NSPanGestureRecognizer*) gesture

implementation

Extends class wxNSCustomOpenGLView.

                      : (NSPanGestureRecognizer*) gesture
{
    wxPanGestureEvent evt;
    NSPoint tr = [gesture translationInView: self];
    evt.SetDelta({(int) tr.x, (int) tr.y});
    [self postEvent:evt withGesture:gesture];
}

References wxNSCustomOpenGLView::postEvent:withGesture:.

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onGestureRotate:

- (void) onGestureRotate: (NSRotationGestureRecognizer*) gesture

implementation

Extends class wxNSCustomOpenGLView.

                        : (NSRotationGestureRecognizer*) gesture
{
    wxRotateGestureEvent evt;
    evt.SetRotationAngle(-gesture.rotation);
    [self postEvent:evt withGesture:gesture];
}

References wxNSCustomOpenGLView::postEvent:withGesture:.

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onGestureScale:

- (void) onGestureScale: (NSMagnificationGestureRecognizer*) gesture

implementation

Extends class wxNSCustomOpenGLView.

                       : (NSMagnificationGestureRecognizer*) gesture
{
    wxZoomGestureEvent evt;
    evt.SetZoomFactor(gesture.magnification + 1.0);
    [self postEvent:evt withGesture:gesture];
}

References wxNSCustomOpenGLView::postEvent:withGesture:.

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postEvent:withGesture:

- (void) postEvent: (wxGestureEvent &) evt withGesture: (NSGestureRecognizer*) gesture

implementation

Extends class wxNSCustomOpenGLView.

                  : (wxGestureEvent &) evt withGesture: (NSGestureRecognizer* ) gesture
{
    NSPoint pos = [gesture locationInView: self];
    evt.SetPosition(wxFromNSPoint(self, pos));
    if (gesture.state == NSGestureRecognizerStateBegan)
        evt.SetGestureStart();
    else if (gesture.state == NSGestureRecognizerStateEnded)
        evt.SetGestureEnd();
    if (wxEvtHandler* handler = get_gesture_handler(self))
        handler->ProcessEvent(evt);
}

References get_gesture_handler().

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scrollWheel2:

- (void) scrollWheel2: (NSEvent *) event

implementation

Extends class wxNSCustomOpenGLView.

                     :(NSEvent *)event
{
    bool shiftDown = [event modifierFlags] & NSShiftKeyMask;
    wxEvtHandler* handler = get_gesture_handler(self);
    if (handler && shiftDown && event.hasPreciseScrollingDeltas) {
        wxPanGestureEvent evt;
        // NSOpenGLView uses bottom-left coordinates; wx gestures use top-left coordinates.
        const wxPoint pos = wxFromNSPoint(self, [self convertPoint:[event locationInWindow] fromView:nil]);
        const wxPoint delta(-(int)[event scrollingDeltaX], -(int)[event scrollingDeltaY]);
        // Orca: GLCanvas3D derives the anchor position as position - delta, so synthesize
        // the post-delta position from the native cursor coordinate.
        evt.SetPosition(pos + delta);
        evt.SetDelta(delta);
        // Orca: Preserve the anchor throughout a trackpad scroll, including its momentum events.
        // Keep it after phase Ended: momentum may follow. The next Began replaces it.
        const NSEventPhase phase = event.phase;
        const NSEventPhase momentum_phase = event.momentumPhase;
        const bool unphased = phase == NSEventPhaseNone && momentum_phase == NSEventPhaseNone;
        if (!is_scroll_pan_active(self) || unphased || (phase & (NSEventPhaseMayBegin | NSEventPhaseBegan)))
            evt.SetGestureStart();
        if (unphased || (phase & NSEventPhaseCancelled) ||
            (momentum_phase & (NSEventPhaseEnded | NSEventPhaseCancelled)))
            evt.SetGestureEnd();
        set_scroll_pan_active(self, !evt.IsGestureEnd());
        handler->ProcessEvent(evt);
    } else {
        // Orca: Switching away from Shift-pan must not reuse its depth when Shift is pressed again.
        set_scroll_pan_active(self, false);
        [self scrollWheel2: event];
    }
}

References get_gesture_handler(), is_scroll_pan_active(), wxNSCustomOpenGLView::scrollWheel2:, and set_scroll_pan_active().

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The documentation for this category was generated from the following file:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/slic3r/Utils/MacDarkMode.mm