forked from bartvdbraak/blender
Cocoa : Bug fix for continuous grab feature implementation
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638ed7d0a8
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@ -812,9 +812,9 @@ GHOST_TSuccess GHOST_SystemCocoa::setCursorPosition(GHOST_TInt32 x, GHOST_TInt32
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//Quartz Display Services uses the old coordinates (top left origin)
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yf = [[NSScreen mainScreen] frame].size.height -yf;
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CGAssociateMouseAndMouseCursorPosition(false);
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//CGAssociateMouseAndMouseCursorPosition(false);
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CGWarpMouseCursorPosition(CGPointMake(xf, yf));
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CGAssociateMouseAndMouseCursorPosition(true);
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//CGAssociateMouseAndMouseCursorPosition(true);
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return GHOST_kSuccess;
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}
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@ -1151,7 +1151,7 @@ GHOST_TSuccess GHOST_SystemCocoa::handleMouseEvent(void *eventPtr)
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window->getCursorWarpAccum(x_accum, y_accum);
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x_accum += [event deltaX];
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y_accum += [event deltaY];
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y_accum += -[event deltaY]; //Strange Apple implementation (inverted coordinates for the deltaY) ...
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window->setCursorWarpAccum(x_accum, y_accum);
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pushEvent(new GHOST_EventCursor([event timestamp], GHOST_kEventCursorMove, window, x_warp+x_accum, y_warp+y_accum));
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@ -1159,6 +1159,7 @@ GHOST_TSuccess GHOST_SystemCocoa::handleMouseEvent(void *eventPtr)
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else { //Normal cursor operation: send mouse position in window
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NSPoint mousePos = [event locationInWindow];
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pushEvent(new GHOST_EventCursor([event timestamp], GHOST_kEventCursorMove, window, mousePos.x, mousePos.y));
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window->setCursorWarpAccum(0, 0); //Mouse motion occured between two cursor warps, so we can reset the delta counter
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}
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break;
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}
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@ -236,6 +236,11 @@ protected:
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*/
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virtual GHOST_TSuccess setWindowCursorVisibility(bool visible);
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/**
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* Sets the cursor warp accumulator. Overriden for workaround due to Cocoa next event after cursor set giving delta values non zero
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*/
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inline virtual bool setCursorWarpAccum(GHOST_TInt32 x, GHOST_TInt32 y);
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/**
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* Sets the cursor grab on the window using
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* native window system calls.
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@ -712,19 +712,34 @@ GHOST_TSuccess GHOST_WindowCocoa::setWindowCursorVisibility(bool visible)
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return GHOST_kSuccess;
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}
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//Override this method to provide set feature even if not in warp
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inline bool GHOST_WindowCocoa::setCursorWarpAccum(GHOST_TInt32 x, GHOST_TInt32 y)
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{
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m_cursorWarpAccumPos[0]= x;
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m_cursorWarpAccumPos[1]= y;
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return GHOST_kSuccess;
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}
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GHOST_TSuccess GHOST_WindowCocoa::setWindowCursorGrab(bool grab, bool warp, bool restore)
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{
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printf("\ncursor grab %i",grab);
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if (grab)
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{
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//No need to perform grab without warp as it is always on in OS X
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if(warp) {
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m_systemCocoa->getCursorPosition(m_cursorWarpInitPos[0], m_cursorWarpInitPos[1]);
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GHOST_TInt32 x_old,y_old;
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setCursorWarpAccum(0, 0);
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setWindowCursorVisibility(false);
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m_cursorWarp= true;
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}
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m_systemCocoa->getCursorPosition(x_old,y_old);
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screenToClient(x_old, y_old, m_cursorWarpInitPos[0], m_cursorWarpInitPos[1]);
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//Warp position is stored in client (window base) coordinates
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setWindowCursorVisibility(false);
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return CGAssociateMouseAndMouseCursorPosition(false) == kCGErrorSuccess ? GHOST_kSuccess : GHOST_kFailure;
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}
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}
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else {
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if(m_cursorWarp)
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{/* are we exiting warp */
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@ -732,34 +747,37 @@ GHOST_TSuccess GHOST_WindowCocoa::setWindowCursorGrab(bool grab, bool warp, bool
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/* Almost works without but important otherwise the mouse GHOST location can be incorrect on exit */
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if(restore) {
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GHOST_Rect bounds;
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GHOST_TInt32 x_new, y_new, x_rel, y_rel;
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GHOST_TInt32 x_new, y_new, x_cur, y_cur;
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getClientBounds(bounds);
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printf("\ncursor ungrab with restore");
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x_new= m_cursorWarpInitPos[0]+m_cursorWarpAccumPos[0];
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y_new= m_cursorWarpInitPos[1]+m_cursorWarpAccumPos[1];
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screenToClient(x_new, y_new, x_rel, y_rel);
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if(x_new < 0) x_new = 0;
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if(y_new < 0) y_new = 0;
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if(x_new > bounds.getWidth()) x_new = bounds.getWidth();
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if(y_new > bounds.getHeight()) y_new = bounds.getHeight();
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if(x_rel < 0) x_new = (x_new-x_rel) + 2;
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if(y_rel < 0) y_new = (y_new-y_rel) + 2;
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if(x_rel > bounds.getWidth()) x_new -= (x_rel-bounds.getWidth()) + 2;
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if(y_rel > bounds.getHeight()) y_new -= (y_rel-bounds.getHeight()) + 2;
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clientToScreen(x_new, y_new, x_rel, y_rel);
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m_systemCocoa->setCursorPosition(x_rel, y_rel);
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//get/set cursor position works in screen coordinates
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clientToScreen(x_new, y_new, x_cur, y_cur);
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m_systemCocoa->setCursorPosition(x_cur, y_cur);
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//As Cocoa will give as first deltaX,deltaY this change in cursor position, we need to compensate for it
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//Issue appearing in case of two transform operations conducted w/o mouse motion in between
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x_new=m_cursorWarpAccumPos[0];
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y_new=m_cursorWarpAccumPos[1];
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setCursorWarpAccum(-x_new, -y_new);
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}
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else {
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m_systemCocoa->setCursorPosition(m_cursorWarpInitPos[0], m_cursorWarpInitPos[1]);
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setCursorWarpAccum(0, 0);
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}
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setCursorWarpAccum(0, 0);
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m_cursorWarp= false;
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}
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return CGAssociateMouseAndMouseCursorPosition(true) == kCGErrorSuccess ? GHOST_kSuccess : GHOST_kFailure;
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}
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}
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return GHOST_kSuccess;
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}
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GHOST_TSuccess GHOST_WindowCocoa::setWindowCursorShape(GHOST_TStandardCursor shape)
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