void TkMacOSXInvalClipRgns( Tk_Window tkwin) { TkWindow *winPtr = (TkWindow *) tkwin; TkWindow *childPtr; MacDrawable *macWin = winPtr->privatePtr; /* * If already marked we can stop because all descendants will also already * be marked. */ if (!macWin || macWin->flags & TK_CLIP_INVALID) { return; } macWin->flags |= TK_CLIP_INVALID; if (macWin->visRgn) { CFRelease(macWin->visRgn); macWin->visRgn = NULL; } if (macWin->aboveVisRgn) { CFRelease(macWin->aboveVisRgn); macWin->aboveVisRgn = NULL; } /* * Invalidate clip regions for all children & their descendants, unless the * child is a toplevel. */ childPtr = winPtr->childList; while (childPtr) { if (!Tk_IsTopLevel(childPtr)) { TkMacOSXInvalClipRgns((Tk_Window) childPtr); } childPtr = childPtr->nextPtr; } /* * Also, if the window is a container, mark its embedded window. */ if (Tk_IsContainer(winPtr)) { childPtr = TkpGetOtherWindow(winPtr); if (childPtr) { TkMacOSXInvalClipRgns((Tk_Window) childPtr); } /* * TODO: Here we should handle out of process embedding. */ } }
void TkMacInvalClipRgns( TkWindow *winPtr) { TkWindow *childPtr; /* * If already marked we can stop because all * decendants will also already be marked. */ if (winPtr->privatePtr->flags & TK_CLIP_INVALID) { return; } winPtr->privatePtr->flags |= TK_CLIP_INVALID; /* * Invalidate clip regions for all children & * their decendants - unless the child is a toplevel. */ childPtr = winPtr->childList; while (childPtr != NULL) { if (!Tk_IsTopLevel(childPtr) && Tk_IsMapped(childPtr)) { TkMacInvalClipRgns(childPtr); } childPtr = childPtr->nextPtr; } /* * Also, if the window is a container, mark its embedded window */ if (Tk_IsContainer(winPtr)) { childPtr = TkpGetOtherWindow(winPtr); if (childPtr != NULL && Tk_IsMapped(childPtr)) { TkMacInvalClipRgns(childPtr); } /* * NOTE: Here we should handle out of process embedding. */ } }
static void UpdateOffsets( TkWindow *winPtr, int deltaX, int deltaY) { TkWindow *childPtr; if (winPtr->privatePtr == NULL) { /* * We haven't called Tk_MakeWindowExist for this window yet. The offset * information will be postponed and calulated at that time. (This will * usually only happen when a mapped parent is being moved but has * child windows that have yet to be mapped.) */ return; } winPtr->privatePtr->xOff += deltaX; winPtr->privatePtr->yOff += deltaY; childPtr = winPtr->childList; while (childPtr != NULL) { if (!Tk_IsTopLevel(childPtr)) { UpdateOffsets(childPtr, deltaX, deltaY); } childPtr = childPtr->nextPtr; } if (Tk_IsContainer(winPtr)) { childPtr = TkpGetOtherWindow(winPtr); if (childPtr != NULL) { UpdateOffsets(childPtr,deltaX,deltaY); } /* * TODO: Here we should handle out of process embedding. */ } }
void TkMacUpdateClipRgn( TkWindow *winPtr) { RgnHandle rgn; int x, y; TkWindow *win2Ptr; if (winPtr == NULL) { return; } if (winPtr->privatePtr->flags & TK_CLIP_INVALID) { rgn = winPtr->privatePtr->aboveClipRgn; if (tmpRgn == NULL) { tmpRgn = NewRgn(); } /* * Start with a region defined by the window bounds. */ x = winPtr->privatePtr->xOff; y = winPtr->privatePtr->yOff; SetRectRgn(rgn, (short) x, (short) y, (short) (winPtr->changes.width + x), (short) (winPtr->changes.height + y)); /* * Clip away the area of any windows that may obscure this * window. * For a non-toplevel window, first, clip to the parents visable * clip region. * Second, clip away any siblings that are higher in the * stacking order. * For an embedded toplevel, just clip to the container's visible * clip region. Remember, we only allow one contained window * in a frame, and don't support any other widgets in the frame either. * This is not currently enforced, however. */ if (!Tk_IsTopLevel(winPtr)) { TkMacUpdateClipRgn(winPtr->parentPtr); SectRgn(rgn, winPtr->parentPtr->privatePtr->aboveClipRgn, rgn); win2Ptr = winPtr->nextPtr; while (win2Ptr != NULL) { if (Tk_IsTopLevel(win2Ptr) || !Tk_IsMapped(win2Ptr)) { win2Ptr = win2Ptr->nextPtr; continue; } x = win2Ptr->privatePtr->xOff; y = win2Ptr->privatePtr->yOff; SetRectRgn(tmpRgn, (short) x, (short) y, (short) (win2Ptr->changes.width + x), (short) (win2Ptr->changes.height + y)); DiffRgn(rgn, tmpRgn, rgn); win2Ptr = win2Ptr->nextPtr; } } else if (Tk_IsEmbedded(winPtr)) { TkWindow *contWinPtr; contWinPtr = TkpGetOtherWindow(winPtr); if (contWinPtr != NULL) { TkMacUpdateClipRgn(contWinPtr); SectRgn(rgn, contWinPtr->privatePtr->aboveClipRgn, rgn); } else if (gMacEmbedHandler != NULL) { gMacEmbedHandler->getClipProc((Tk_Window) winPtr, tmpRgn); SectRgn(rgn, tmpRgn, rgn); } /* * NOTE: Here we should handle out of process embedding. */ } /* * The final clip region is the aboveClip region (or visable * region) minus all the children of this window. * Alternatively, if the window is a container, we must also * subtract the region of the embedded window. */ rgn = winPtr->privatePtr->clipRgn; CopyRgn(winPtr->privatePtr->aboveClipRgn, rgn); win2Ptr = winPtr->childList; while (win2Ptr != NULL) { if (Tk_IsTopLevel(win2Ptr) || !Tk_IsMapped(win2Ptr)) { win2Ptr = win2Ptr->nextPtr; continue; } x = win2Ptr->privatePtr->xOff; y = win2Ptr->privatePtr->yOff; SetRectRgn(tmpRgn, (short) x, (short) y, (short) (win2Ptr->changes.width + x), (short) (win2Ptr->changes.height + y)); DiffRgn(rgn, tmpRgn, rgn); win2Ptr = win2Ptr->nextPtr; } if (Tk_IsContainer(winPtr)) { win2Ptr = TkpGetOtherWindow(winPtr); if (win2Ptr != NULL) { if (Tk_IsMapped(win2Ptr)) { x = win2Ptr->privatePtr->xOff; y = win2Ptr->privatePtr->yOff; SetRectRgn(tmpRgn, (short) x, (short) y, (short) (win2Ptr->changes.width + x), (short) (win2Ptr->changes.height + y)); DiffRgn(rgn, tmpRgn, rgn); } } /* * NOTE: Here we should handle out of process embedding. */ } winPtr->privatePtr->flags &= ~TK_CLIP_INVALID; } }
void TkMacOSXUpdateClipRgn( TkWindow *winPtr) { MacDrawable *macWin; if (winPtr == NULL) { return; } macWin = winPtr->privatePtr; if (macWin && macWin->flags & TK_CLIP_INVALID) { TkWindow *win2Ptr; if (Tk_IsMapped(winPtr)) { int rgnChanged = 0; CGRect bounds; HIMutableShapeRef rgn; /* * Start with a region defined by the window bounds. */ TkMacOSXWinCGBounds(winPtr, &bounds); rgn = TkMacOSXHIShapeCreateMutableWithRect(&bounds); /* * Clip away the area of any windows that may obscure this window. * For a non-toplevel window, first, clip to the parents visible * clip region. Second, clip away any siblings that are higher in * the stacking order. For an embedded toplevel, just clip to the * container's visible clip region. Remember, we only allow one * contained window in a frame, and don't support any other widgets * in the frame either. This is not currently enforced, however. */ if (!Tk_IsTopLevel(winPtr)) { TkMacOSXUpdateClipRgn(winPtr->parentPtr); if (winPtr->parentPtr) { ChkErr(HIShapeIntersect, winPtr->parentPtr->privatePtr->aboveVisRgn, rgn, rgn); } win2Ptr = winPtr; while ((win2Ptr = win2Ptr->nextPtr)) { if (Tk_IsTopLevel(win2Ptr) || !Tk_IsMapped(win2Ptr)) { continue; } TkMacOSXWinCGBounds(win2Ptr, &bounds); ChkErr(TkMacOSHIShapeDifferenceWithRect, rgn, &bounds); } } else if (Tk_IsEmbedded(winPtr)) { win2Ptr = TkpGetOtherWindow(winPtr); if (win2Ptr) { TkMacOSXUpdateClipRgn(win2Ptr); ChkErr(HIShapeIntersect, win2Ptr->privatePtr->aboveVisRgn, rgn, rgn); } else if (tkMacOSXEmbedHandler != NULL) { HIShapeRef visRgn; TkMacOSXCheckTmpQdRgnEmpty(); tkMacOSXEmbedHandler->getClipProc((Tk_Window) winPtr, tkMacOSXtmpQdRgn); visRgn = HIShapeCreateWithQDRgn(tkMacOSXtmpQdRgn); SetEmptyRgn(tkMacOSXtmpQdRgn); ChkErr(HIShapeIntersect, visRgn, rgn, rgn); } /* * TODO: Here we should handle out of process embedding. */ } else if (winPtr->wmInfoPtr->attributes & kWindowResizableAttribute) { HIViewRef growBoxView; OSErr err = HIViewFindByID(HIViewGetRoot( TkMacOSXDrawableWindow(winPtr->window)), kHIViewWindowGrowBoxID, &growBoxView); if (err == noErr) { ChkErr(HIViewGetFrame, growBoxView, &bounds); bounds = CGRectOffset(bounds, -winPtr->wmInfoPtr->xInParent, -winPtr->wmInfoPtr->yInParent); ChkErr(TkMacOSHIShapeDifferenceWithRect, rgn, &bounds); } } macWin->aboveVisRgn = HIShapeCreateCopy(rgn); /* * The final clip region is the aboveVis region (or visible region) * minus all the children of this window. If the window is a * container, we must also subtract the region of the embedded * window. */ win2Ptr = winPtr->childList; while (win2Ptr) { if (Tk_IsTopLevel(win2Ptr) || !Tk_IsMapped(win2Ptr)) { win2Ptr = win2Ptr->nextPtr; continue; } TkMacOSXWinCGBounds(win2Ptr, &bounds); ChkErr(TkMacOSHIShapeDifferenceWithRect, rgn, &bounds); rgnChanged = 1; win2Ptr = win2Ptr->nextPtr; } if (Tk_IsContainer(winPtr)) { win2Ptr = TkpGetOtherWindow(winPtr); if (win2Ptr) { if (Tk_IsMapped(win2Ptr)) { TkMacOSXWinCGBounds(win2Ptr, &bounds); ChkErr(TkMacOSHIShapeDifferenceWithRect, rgn, &bounds); rgnChanged = 1; } } /* * TODO: Here we should handle out of process embedding. */ } if (rgnChanged) { HIShapeRef diffRgn = HIShapeCreateDifference( macWin->aboveVisRgn, rgn); if (!HIShapeIsEmpty(diffRgn)) { macWin->visRgn = HIShapeCreateCopy(rgn); } CFRelease(diffRgn); } CFRelease(rgn); } else { /* * An unmapped window has empty clip regions to prevent any * (erroneous) drawing into it or its children from becoming * visible. [Bug 940117] */ if (!Tk_IsTopLevel(winPtr)) { TkMacOSXUpdateClipRgn(winPtr->parentPtr); } else if (Tk_IsEmbedded(winPtr)) { win2Ptr = TkpGetOtherWindow(winPtr); if (win2Ptr) { TkMacOSXUpdateClipRgn(win2Ptr); } } macWin->aboveVisRgn = TkMacOSXHIShapeCreateEmpty(); } if (!macWin->visRgn) { macWin->visRgn = HIShapeCreateCopy(macWin->aboveVisRgn); } macWin->flags &= ~TK_CLIP_INVALID; #ifdef TK_MAC_DEBUG_CLIP_REGIONS TkMacOSXDebugFlashRegion((Drawable) macWin, macWin->visRgn); #endif /* TK_MAC_DEBUG_CLIP_REGIONS */ } }