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Diffstat (limited to 'carbon/tkMacOSXSubwindows.c')
| -rw-r--r-- | carbon/tkMacOSXSubwindows.c | 1476 |
1 files changed, 1476 insertions, 0 deletions
diff --git a/carbon/tkMacOSXSubwindows.c b/carbon/tkMacOSXSubwindows.c new file mode 100644 index 0000000..5fe18a9 --- /dev/null +++ b/carbon/tkMacOSXSubwindows.c @@ -0,0 +1,1476 @@ +/* + * tkMacOSXSubwindows.c -- + * + * Implements subwindows for the macintosh version of Tk. + * + * Copyright (c) 1995-1997 Sun Microsystems, Inc. + * Copyright 2001, Apple Computer, Inc. + * Copyright (c) 2006-2008 Daniel A. Steffen <das@users.sourceforge.net> + * + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. + * + * RCS: @(#) $Id: tkMacOSXSubwindows.c,v 1.1 2009/06/26 01:42:47 das Exp $ + */ + +#include "tkMacOSXPrivate.h" +#include "tkMacOSXDebug.h" +#include "tkMacOSXWm.h" + +/* +#ifdef TK_MAC_DEBUG +#define TK_MAC_DEBUG_CLIP_REGIONS +#endif +*/ + +/* + * Prototypes for functions used only in this file. + */ + +static void MoveResizeWindow(MacDrawable *macWin); +static void GenerateConfigureNotify(TkWindow *winPtr, + int includeWin); +static void UpdateOffsets(TkWindow *winPtr, int deltaX, + int deltaY); +static void NotifyVisibility(TkWindow *winPtr, XEvent *eventPtr); + +/* + *---------------------------------------------------------------------- + * + * AllocGWorld -- + * Simplifies the allocation of new drawable ports. + * + *---------------------------------------------------------------------- + */ + +static inline void +AllocGWorld( + int width, + int height, + int mono, + CGrafPtr *grafPtrPtr) +{ + Rect bounds = {0, 0, height, width}; + +#ifdef __LITTLE_ENDIAN__ + ChkErr(NewGWorld, grafPtrPtr, mono ? 1 : 0, &bounds, NULL, NULL, + kNativeEndianPixMap); +#else + ChkErr(NewGWorld, grafPtrPtr, mono ? 1 : 0, &bounds, NULL, NULL, 0); +#endif +} + +/* + *---------------------------------------------------------------------- + * + * XDestroyWindow -- + * + * Dealocates the given X Window. + * + * Results: + * The window id is returned. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +XDestroyWindow( + Display *display, /* Display. */ + Window window) /* Window. */ +{ + MacDrawable *macWin = (MacDrawable *) window; + WindowRef winRef; + + /* + * Remove any dangling pointers that may exist if the window we are + * deleting is being tracked by the grab code. + */ + + TkPointerDeadWindow(macWin->winPtr); + macWin->toplevel->referenceCount--; + + if (!Tk_IsTopLevel(macWin->winPtr)) { + TkMacOSXInvalidateWindow(macWin, TK_PARENT_WINDOW); + if (macWin->winPtr->parentPtr != NULL) { + TkMacOSXInvalClipRgns((Tk_Window) macWin->winPtr->parentPtr); + } + if (macWin->visRgn) { + CFRelease(macWin->visRgn); + } + if (macWin->aboveVisRgn) { + CFRelease(macWin->aboveVisRgn); + } + + if (macWin->toplevel->referenceCount == 0) { + ckfree((char *) macWin->toplevel); + } + ckfree((char *) macWin); + return; + } + + /* + * We are relying on the Activate Mac OS event to pass the focus away from + * a window that is getting Destroyed to the Front non-floating window. BUT + * we don't get activate events when a floating window is destroyed, since + * the front non-floating window doesn't in fact get activated... So maybe + * we can check here and if we are destroying a floating window, we can + * pass the focus back to the front non-floating window... + */ + + if (macWin->grafPtr != NULL) { + TkWindow *focusPtr = TkGetFocusWin(macWin->winPtr); + + if (focusPtr == NULL + || (focusPtr->mainPtr->winPtr == macWin->winPtr)) { + winRef = TkMacOSXDrawableWindow(window); + if (TkpIsWindowFloating (winRef)) { + Window window = TkMacOSXGetXWindow(ActiveNonFloatingWindow()); + + if (window != None) { + TkMacOSXGenerateFocusEvent(window, 1); + } + } + } + } + if (macWin->visRgn) { + CFRelease(macWin->visRgn); + } + if (macWin->aboveVisRgn) { + CFRelease(macWin->aboveVisRgn); + } + + /* + * Delete the Mac window and remove it from the windowTable. The window + * could be NULL if the window was never mapped. However, we don't do this + * for embedded windows, they don't go in the window list, and they do not + * own their portPtr's. + */ + + if (!Tk_IsEmbedded(macWin->winPtr)) { + WindowRef winRef = TkMacOSXDrawableWindow(window); + + if (winRef) { + TkMacOSXWindowList *listPtr, *prevPtr; + WindowGroupRef group; + + if (GetWindowProperty(winRef, 'Tk ', 'TsGp', sizeof(group), NULL, + &group) == noErr) { + TkDisplay *dispPtr = TkGetDisplayList(); + ItemCount i = CountWindowGroupContents(group, + kWindowGroupContentsReturnWindows); + WindowRef macWin; + WindowGroupRef newGroup; + Window window; + + while (i > 0) { + ChkErr(GetIndexedWindow, group, i--, 0, &macWin); + if (!macWin) { + continue; + } + + window = TkMacOSXGetXWindow(macWin); + newGroup = NULL; + if (window != None) { + TkWindow *winPtr = (TkWindow *) + Tk_IdToWindow(dispPtr->display, window); + + if (winPtr && winPtr->wmInfoPtr) { + newGroup = GetWindowGroupOfClass( + winPtr->wmInfoPtr->macClass); + } + } + if (!newGroup) { + newGroup = + GetWindowGroupOfClass(kDocumentWindowClass); + } + ChkErr(SetWindowGroup, macWin, newGroup); + } + ChkErr(SetWindowGroupOwner, group, NULL); + ChkErr(ReleaseWindowGroup, group); + } + TkMacOSXUnregisterMacWindow(winRef); + DisposeWindow(winRef); + + for (listPtr=tkMacOSXWindowListPtr, prevPtr=NULL; + tkMacOSXWindowListPtr != NULL; + prevPtr=listPtr, listPtr=listPtr->nextPtr) { + if (listPtr->winPtr == macWin->winPtr) { + if (prevPtr == NULL) { + tkMacOSXWindowListPtr = listPtr->nextPtr; + } else { + prevPtr->nextPtr = listPtr->nextPtr; + } + ckfree((char *) listPtr); + break; + } + } + } + } + + macWin->grafPtr = NULL; + + /* + * Delay deletion of a toplevel data structure untill all children have + * been deleted. + */ + + if (macWin->toplevel->referenceCount == 0) { + ckfree((char *) macWin->toplevel); + } +} + +/* + *---------------------------------------------------------------------- + * + * XMapWindow -- + * + * Map the given X Window to the screen. See X window documentation for + * more details. + * + * Results: + * None. + * + * Side effects: + * The subwindow or toplevel may appear on the screen. + * + *---------------------------------------------------------------------- + */ + +void +XMapWindow( + Display *display, /* Display. */ + Window window) /* Window. */ +{ + MacDrawable *macWin = (MacDrawable *) window; + XEvent event; + + /* + * Under certain situations it's possible for this function to be called + * before the toplevel window it's associated with has actually been + * mapped. In that case we need to create the real Macintosh window now as + * this function as well as other X functions assume that the portPtr is + * valid. + */ + + if (!TkMacOSXHostToplevelExists(macWin->toplevel->winPtr)) { + TkMacOSXMakeRealWindowExist(macWin->toplevel->winPtr); + } + + display->request++; + macWin->winPtr->flags |= TK_MAPPED; + if (Tk_IsTopLevel(macWin->winPtr)) { + if (!Tk_IsEmbedded(macWin->winPtr)) { + /* + * XXX This should be ShowSheetWindow for kSheetWindowClass + * XXX windows that have a wmPtr->master parent set. + */ + + WindowRef wRef = TkMacOSXDrawableWindow(window); + + if ((macWin->winPtr->wmInfoPtr->macClass == kSheetWindowClass) + && (macWin->winPtr->wmInfoPtr->master != None)) { + ShowSheetWindow(wRef, TkMacOSXDrawableWindow( + macWin->winPtr->wmInfoPtr->master)); + } else { + ShowWindow(wRef); + } + } + TkMacOSXInvalClipRgns((Tk_Window) macWin->winPtr); + + /* + * We only need to send the MapNotify event for toplevel windows. + */ + + event.xany.serial = display->request; + event.xany.send_event = False; + event.xany.display = display; + + event.xmap.window = window; + event.xmap.type = MapNotify; + event.xmap.event = window; + event.xmap.override_redirect = macWin->winPtr->atts.override_redirect; + Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL); + } else { + /* + * Generate damage for that area of the window. + */ + + TkMacOSXInvalClipRgns((Tk_Window) macWin->winPtr->parentPtr); + TkMacOSXInvalidateWindow(macWin, TK_PARENT_WINDOW); + } + + /* + * Generate VisibilityNotify events for window and all mapped children. + */ + + event.xany.send_event = False; + event.xany.display = display; + event.xvisibility.type = VisibilityNotify; + event.xvisibility.state = VisibilityUnobscured; + NotifyVisibility(macWin->winPtr, &event); +} + +/* + *---------------------------------------------------------------------- + * + * NotifyVisibility -- + * + * Recursively called helper proc for XMapWindow(). + + * Results: + * None. + * + * Side effects: + * VisibilityNotify events are queued. + * + *---------------------------------------------------------------------- + */ + +static void +NotifyVisibility( + TkWindow *winPtr, + XEvent *eventPtr) +{ + if (winPtr->atts.event_mask & VisibilityChangeMask) { + eventPtr->xany.serial = LastKnownRequestProcessed(winPtr->display); + eventPtr->xvisibility.window = winPtr->window; + Tk_QueueWindowEvent(eventPtr, TCL_QUEUE_TAIL); + } + for (winPtr = winPtr->childList; winPtr != NULL; + winPtr = winPtr->nextPtr) { + if (winPtr->flags & TK_MAPPED) { + NotifyVisibility(winPtr, eventPtr); + } + } +} + +/* + *---------------------------------------------------------------------- + * + * XUnmapWindow -- + * + * Unmap the given X Window to the screen. See X window documentation for + * more details. + * + * Results: + * None. + * + * Side effects: + * The subwindow or toplevel may be removed from the screen. + * + *---------------------------------------------------------------------- + */ + +void +XUnmapWindow( + Display *display, /* Display. */ + Window window) /* Window. */ +{ + MacDrawable *macWin = (MacDrawable *) window; + XEvent event; + + display->request++; + macWin->winPtr->flags &= ~TK_MAPPED; + if (Tk_IsTopLevel(macWin->winPtr)) { + if (!Tk_IsEmbedded(macWin->winPtr) && + macWin->winPtr->wmInfoPtr->hints.initial_state!=IconicState) { + /* + * XXX This should be HideSheetWindow for kSheetWindowClass + * XXX windows that have a wmPtr->master parent set. + */ + + WindowRef wref = TkMacOSXDrawableWindow(window); + + if ((macWin->winPtr->wmInfoPtr->macClass == kSheetWindowClass) + && (macWin->winPtr->wmInfoPtr->master != None)) { + HideSheetWindow(wref); + } else { + HideWindow(wref); + } + } + TkMacOSXInvalClipRgns((Tk_Window) macWin->winPtr); + + /* + * We only need to send the UnmapNotify event for toplevel windows. + */ + + event.xany.serial = display->request; + event.xany.send_event = False; + event.xany.display = display; + + event.xunmap.type = UnmapNotify; + event.xunmap.window = window; + event.xunmap.event = window; + event.xunmap.from_configure = false; + Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL); + } else { + /* + * Generate damage for that area of the window. + */ + + TkMacOSXInvalidateWindow(macWin, TK_PARENT_WINDOW); + TkMacOSXInvalClipRgns((Tk_Window) macWin->winPtr->parentPtr); + } +} + +/* + *---------------------------------------------------------------------- + * + * XResizeWindow -- + * + * Resize a given X window. See X windows documentation for further + * details. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +XResizeWindow( + Display *display, /* Display. */ + Window window, /* Window. */ + unsigned int width, + unsigned int height) +{ + MacDrawable *macWin = (MacDrawable *) window; + + display->request++; + if (Tk_IsTopLevel(macWin->winPtr) && !Tk_IsEmbedded(macWin->winPtr)) { + WindowRef w = TkMacOSXDrawableWindow(window); + + if (w) { + Rect bounds; + + ChkErr(GetWindowBounds, w, kWindowContentRgn, &bounds); + bounds.right = bounds.left + width; + bounds.bottom = bounds.top + height; + ChkErr(SetWindowBounds, w, kWindowContentRgn, &bounds); + } + } else { + MoveResizeWindow(macWin); + } +} + +/* + *---------------------------------------------------------------------- + * + * XMoveResizeWindow -- + * + * Move or resize a given X window. See X windows documentation + * for further details. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +XMoveResizeWindow( + Display *display, /* Display. */ + Window window, /* Window. */ + int x, int y, + unsigned int width, + unsigned int height) +{ + MacDrawable *macWin = (MacDrawable *) window; + + display->request++; + if (Tk_IsTopLevel(macWin->winPtr) && !Tk_IsEmbedded(macWin->winPtr)) { + WindowRef w = TkMacOSXDrawableWindow(window); + + if (w) { + Rect bounds; + + bounds.left = x + macWin->winPtr->wmInfoPtr->xInParent; + bounds.right = bounds.left + width; + bounds.top = y + macWin->winPtr->wmInfoPtr->yInParent; + bounds.bottom = bounds.top + height; + ChkErr(SetWindowBounds, w, kWindowContentRgn, &bounds); + } + } else { + MoveResizeWindow(macWin); + } +} + +/* + *---------------------------------------------------------------------- + * + * XMoveWindow -- + * + * Move a given X window. See X windows documentation for further + * details. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +XMoveWindow( + Display *display, /* Display. */ + Window window, /* Window. */ + int x, int y) +{ + MacDrawable *macWin = (MacDrawable *) window; + + display->request++; + if (Tk_IsTopLevel(macWin->winPtr) && !Tk_IsEmbedded(macWin->winPtr)) { + WindowRef w = TkMacOSXDrawableWindow(window); + + if (w) { + ChkErr(MoveWindowStructure, w, x, y); + } + } else { + MoveResizeWindow(macWin); + } +} + +/* + *---------------------------------------------------------------------- + * + * MoveResizeWindow -- + * + * Helper proc for XResizeWindow, XMoveResizeWindow and XMoveWindow. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +static void +MoveResizeWindow( + MacDrawable *macWin) +{ + int deltaX = 0, deltaY = 0, parentBorderwidth = 0; + MacDrawable *macParent = NULL; + CGrafPtr destPort = TkMacOSXGetDrawablePort((Drawable) macWin); + + /* + * Find the Parent window, for an embedded window it will be its container. + */ + + if (Tk_IsEmbedded(macWin->winPtr)) { + TkWindow *contWinPtr = TkpGetOtherWindow(macWin->winPtr); + + if (contWinPtr) { + macParent = contWinPtr->privatePtr; + } else { + /* + * Here we should handle out of process embedding. At this point, + * we are assuming that the changes.x,y is not maintained, if you + * need the info get it from Tk_GetRootCoords, and that the + * toplevel sits at 0,0 when it is drawn. + */ + } + } else { + /* + * TODO: update all xOff & yOffs + */ + + macParent = macWin->winPtr->parentPtr->privatePtr; + parentBorderwidth = macWin->winPtr->parentPtr->changes.border_width; + } + + if (macParent) { + deltaX = macParent->xOff + parentBorderwidth + + macWin->winPtr->changes.x - macWin->xOff; + deltaY = macParent->yOff + parentBorderwidth + + macWin->winPtr->changes.y - macWin->yOff; + } + if (destPort) { + TkMacOSXInvalidateWindow(macWin, TK_PARENT_WINDOW); + if (macParent) { + TkMacOSXInvalClipRgns((Tk_Window) macParent->winPtr); + } + } + UpdateOffsets(macWin->winPtr, deltaX, deltaY); + if (destPort) { + TkMacOSXInvalidateWindow(macWin, TK_PARENT_WINDOW); + } + GenerateConfigureNotify(macWin->winPtr, 0); +} + +/* + *---------------------------------------------------------------------- + * + * GenerateConfigureNotify -- + * + * Generates ConfigureNotify events for all the child widgets of the + * widget passed in the winPtr parameter. If includeWin is true, also + * generates ConfigureNotify event for the widget itself. + * + * Results: + * None. + * + * Side effects: + * ConfigureNotify events will be posted. + * + *---------------------------------------------------------------------- + */ + +static void +GenerateConfigureNotify( + TkWindow *winPtr, + int includeWin) +{ + TkWindow *childPtr; + + for (childPtr = winPtr->childList; childPtr != NULL; + childPtr = childPtr->nextPtr) { + if (!Tk_IsMapped(childPtr) || Tk_IsTopLevel(childPtr)) { + continue; + } + GenerateConfigureNotify(childPtr, 1); + } + if (includeWin) { + TkDoConfigureNotify(winPtr); + } +} + +/* + *---------------------------------------------------------------------- + * + * XRaiseWindow -- + * + * Change the stacking order of a window. + * + * Results: + * None. + * + * Side effects: + * Changes the stacking order of the specified window. + * + *---------------------------------------------------------------------- + */ + +void +XRaiseWindow( + Display *display, /* Display. */ + Window window) /* Window. */ +{ + MacDrawable *macWin = (MacDrawable *) window; + + display->request++; + if (Tk_IsTopLevel(macWin->winPtr) && !Tk_IsEmbedded(macWin->winPtr)) { + TkWmRestackToplevel(macWin->winPtr, Above, NULL); + } else { + /* + * TODO: this should generate damage + */ + } +} + +#if 0 +/* + *---------------------------------------------------------------------- + * + * XLowerWindow -- + * + * Change the stacking order of a window. + * + * Results: + * None. + * + * Side effects: + * Changes the stacking order of the specified window. + * + *---------------------------------------------------------------------- + */ + +void +XLowerWindow( + Display *display, /* Display. */ + Window window) /* Window. */ +{ + MacDrawable *macWin = (MacDrawable *) window; + + display->request++; + if (Tk_IsTopLevel(macWin->winPtr) && !Tk_IsEmbedded(macWin->winPtr)) { + TkWmRestackToplevel(macWin->winPtr, Below, NULL); + } else { + /* + * TODO: this should generate damage + */ + } +} +#endif + +/* + *---------------------------------------------------------------------- + * + * XConfigureWindow -- + * + * Change the size, position, stacking, or border of the specified window. + * + * Results: + * None. + * + * Side effects: + * Changes the attributes of the specified window. Note that we ignore the + * passed in values and use the values stored in the TkWindow data + * structure. + * + *---------------------------------------------------------------------- + */ + +void +XConfigureWindow( + Display *display, /* Display. */ + Window w, /* Window. */ + unsigned int value_mask, + XWindowChanges *values) +{ + MacDrawable *macWin = (MacDrawable *) w; + TkWindow *winPtr = macWin->winPtr; + + display->request++; + + /* + * Change the shape and/or position of the window. + */ + + if (value_mask & (CWX|CWY|CWWidth|CWHeight)) { + XMoveResizeWindow(display, w, winPtr->changes.x, winPtr->changes.y, + winPtr->changes.width, winPtr->changes.height); + } + + /* + * Change the stacking order of the window. Tk actually keeps all the + * information we need for stacking order. All we need to do is make sure + * the clipping regions get updated and generate damage that will ensure + * things get drawn correctly. + */ + + if (value_mask & CWStackMode) { + Rect bounds; + WindowRef wRef = TkMacOSXDrawableWindow(w); + + if (wRef) { + TkMacOSXInvalClipRgns((Tk_Window) winPtr->parentPtr); + TkMacOSXWinBounds(winPtr, &bounds); + InvalWindowRect(wRef, &bounds); + } + } + + /* TkGenWMMoveRequestEvent(macWin->winPtr, + macWin->winPtr->changes.x, macWin->winPtr->changes.y); */ +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXUpdateClipRgn -- + * + * This function updates the cliping regions for a given window and all of + * its children. Once updated the TK_CLIP_INVALID flag in the subwindow + * data structure is unset. The TK_CLIP_INVALID flag should always be + * unset before any drawing is attempted. + * + * Results: + * None. + * + * Side effects: + * The clip regions for the window and its children are updated. + * + *---------------------------------------------------------------------- + */ + +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 */ + } +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXVisableClipRgn -- + * + * This function returnd the Macintosh cliping region for the given + * window. A NULL Rgn means the window is not visible. + * + * Results: + * The region. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +RgnHandle +TkMacOSXVisableClipRgn( + TkWindow *winPtr) +{ + static RgnHandle visQdRgn = NULL; + + if (visQdRgn == NULL) { + visQdRgn = NewRgn(); + } + if (winPtr->privatePtr->flags & TK_CLIP_INVALID) { + TkMacOSXUpdateClipRgn(winPtr); + } + ChkErr(HIShapeGetAsQDRgn, winPtr->privatePtr->visRgn, visQdRgn); + return visQdRgn; +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXInvalidateWindow -- + * + * This function makes the window as invalid will generate damage for the + * window. + * + * Results: + * None. + * + * Side effects: + * Damage is created. + * + *---------------------------------------------------------------------- + */ + +void +TkMacOSXInvalidateWindow( + MacDrawable *macWin, /* Make window that's causing damage. */ + int flag) /* Should be TK_WINDOW_ONLY or + * TK_PARENT_WINDOW */ +{ + WindowRef windowRef; + HIShapeRef rgn; + + windowRef = TkMacOSXDrawableWindow((Drawable)macWin); + if (macWin->flags & TK_CLIP_INVALID) { + TkMacOSXUpdateClipRgn(macWin->winPtr); + } + rgn = (flag == TK_WINDOW_ONLY) ? macWin->visRgn : macWin->aboveVisRgn; + if (!HIShapeIsEmpty(rgn)) { + TkMacOSXCheckTmpQdRgnEmpty(); + ChkErr(HIShapeGetAsQDRgn, rgn, tkMacOSXtmpQdRgn); + InvalWindowRgn(windowRef, tkMacOSXtmpQdRgn); + SetEmptyRgn(tkMacOSXtmpQdRgn); + } +#ifdef TK_MAC_DEBUG_CLIP_REGIONS + TkMacOSXDebugFlashRegion((Drawable) macWin, rgn); +#endif /* TK_MAC_DEBUG_CLIP_REGIONS */ +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXGetDrawableWindow -- + * + * This function returns the WindowRef for a given X drawable. + * + * Results: + * A WindowRef, or NULL for off screen pixmaps. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +WindowRef +TkMacOSXDrawableWindow( + Drawable drawable) +{ + MacDrawable *macWin = (MacDrawable *) drawable; + WindowRef result = NULL; + + if (!macWin || macWin->flags & TK_IS_PIXMAP) { + result = NULL; + } else { + result = GetWindowFromPort(TkMacOSXGetDrawablePort(drawable)); + } + return result; +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXGetDrawablePort -- + * + * This function returns the Graphics Port for a given X drawable. + * + * Results: + * A CGrafPort. Either an off screen pixmap or a Window. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +CGrafPtr +TkMacOSXGetDrawablePort( + Drawable drawable) +{ + MacDrawable *macWin = (MacDrawable *) drawable; + CGrafPtr resultPort = NULL; + + if (!macWin) { + return NULL; + } + + /* + * Handle toplevel windows. + */ + + if (macWin->toplevel) { + TkWindow *contWinPtr; + + if (!(macWin->toplevel->flags & TK_EMBEDDED)) { + return macWin->toplevel->grafPtr; + } + + /* + * If the Drawable is in an embedded window, use the Port of its + * container. + * + * TRICKY POINT: we can have cases when a toplevel is being destroyed + * where the winPtr for the toplevel has been freed, but the children + * are not all the way destroyed. The children will call this function + * as they are being destroyed, but Tk_IsEmbedded will return garbage. + * So we check the copy of the TK_EMBEDDED flag we put into the + * toplevel's macWin flags. + */ + + contWinPtr = TkpGetOtherWindow(macWin->toplevel->winPtr); + + resultPort = NULL; + if (contWinPtr != NULL) { + resultPort = TkMacOSXGetDrawablePort((Drawable) + contWinPtr->privatePtr); + } else if (tkMacOSXEmbedHandler != NULL) { + resultPort = tkMacOSXEmbedHandler->getPortProc((Tk_Window) + macWin->winPtr); + } + + if (!resultPort) { + /* + * FIXME: So far as I can tell, the only time that this happens is + * when we are tearing down an embedded child interpreter, and most + * of the time, this is harmless... However, we really need to find + * why the embedding loses. + */ + + TkMacOSXDbgMsg("Couldn't find container"); + } + + /* + * TODO: Here we should handle out of process embedding. + */ + + return resultPort; + } + + if ((macWin->flags & TK_IS_PIXMAP) && !macWin->grafPtr) { + AllocGWorld(macWin->size.width, macWin->size.height, + macWin->flags & TK_IS_BW_PIXMAP, &macWin->grafPtr); + } + return macWin->grafPtr; +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXGetRootControl -- + * + * This function returns the Root Control for a given X drawable. + * + * Results: + * A ControlRef . + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +ControlRef +TkMacOSXGetRootControl( + Drawable drawable) +{ + /* + * will probably need to fix this up for embedding + */ + + MacDrawable *macWin = (MacDrawable *) drawable; + TkWindow *contWinPtr; + + if (macWin == NULL) { + return NULL; + } + + if (!(macWin->toplevel->flags & TK_EMBEDDED)) { + return macWin->toplevel->rootControl; + } + + contWinPtr = TkpGetOtherWindow(macWin->toplevel->winPtr); + if (contWinPtr == NULL) { + return NULL; + } + + return TkMacOSXGetRootControl((Drawable) contWinPtr->privatePtr); +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXInvalClipRgns -- + * + * This function invalidates the clipping regions for a given window and + * all of its children. This function should be called whenever changes + * are made to subwindows that would affect the size or position of + * windows. + * + * Results: + * None. + * + * Side effects: + * The cliping regions for the window and its children are mark invalid. + * (Make sure they are valid before drawing.) + * + *---------------------------------------------------------------------- + */ + +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. + */ + } +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXWinBounds -- + * + * Given a Tk window this function determines the windows bounds in + * relation to the Macintosh window's coordinate system. This is also the + * same coordinate system as the Tk toplevel window in which this window + * is contained. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +TkMacOSXWinBounds( + TkWindow *winPtr, + Rect *bounds) +{ + bounds->left = winPtr->privatePtr->xOff; + bounds->top = winPtr->privatePtr->yOff; + bounds->right = bounds->left + winPtr->changes.width; + bounds->bottom = bounds->top + winPtr->changes.height; +} + +/* + *---------------------------------------------------------------------- + * + * TkMacOSXWinCGBounds -- + * + * Given a Tk window this function determines the windows bounds in + * relation to the Macintosh window's coordinate system. This is also the + * same coordinate system as the Tk toplevel window in which this window + * is contained. + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +TkMacOSXWinCGBounds( + TkWindow *winPtr, + CGRect *bounds) +{ + bounds->origin.x = winPtr->privatePtr->xOff; + bounds->origin.y = winPtr->privatePtr->yOff; + bounds->size.width = winPtr->changes.width; + bounds->size.height = winPtr->changes.height; +} + +/* + *---------------------------------------------------------------------- + * + * UpdateOffsets -- + * + * Updates the X & Y offsets of the given TkWindow from the TopLevel it is + * a decendant of. + * + * Results: + * None. + * + * Side effects: + * The xOff & yOff fields for the Mac window datastructure is updated to + * the proper offset. + * + *---------------------------------------------------------------------- + */ + +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. + */ + } +} + +/* + *---------------------------------------------------------------------- + * + * Tk_GetPixmap -- + * + * Creates an in memory drawing surface. + * + * Results: + * Returns a handle to a new pixmap. + * + * Side effects: + * Allocates a new Macintosh GWorld. + * + *---------------------------------------------------------------------- + */ + +Pixmap +Tk_GetPixmap( + Display *display, /* Display for new pixmap (can be null). */ + Drawable d, /* Drawable where pixmap will be used (ignored). */ + int width, /* Dimensions of pixmap. */ + int height, + int depth) /* Bits per pixel for pixmap. */ +{ + MacDrawable *macPix; + + if (display != NULL) { + display->request++; + } + macPix = (MacDrawable *) ckalloc(sizeof(MacDrawable)); + macPix->winPtr = NULL; + macPix->xOff = 0; + macPix->yOff = 0; + macPix->visRgn = NULL; + macPix->aboveVisRgn = NULL; + macPix->drawRect = CGRectNull; + macPix->referenceCount = 0; + macPix->toplevel = NULL; + macPix->flags = TK_IS_PIXMAP | (depth == 1 ? TK_IS_BW_PIXMAP : 0); + macPix->grafPtr = NULL; + macPix->context = NULL; + macPix->size = CGSizeMake(width, height); + AllocGWorld(width, height, depth==1, &macPix->grafPtr); + + return (Pixmap) macPix; +} + +/* + *---------------------------------------------------------------------- + * + * Tk_FreePixmap -- + * + * Release the resources associated with a pixmap. + * + * Results: + * None. + * + * Side effects: + * Deletes the Macintosh GWorld created by Tk_GetPixmap. + * + *---------------------------------------------------------------------- + */ + +void +Tk_FreePixmap( + Display *display, /* Display. */ + Pixmap pixmap) /* Pixmap to destroy */ +{ + MacDrawable *macPix = (MacDrawable *) pixmap; + + display->request++; + if (macPix->grafPtr) { + DisposeGWorld(macPix->grafPtr); + } + if (macPix->context) { + TkMacOSXDbgMsg("Cannot free CG backed Pixmap"); + } + ckfree((char *) macPix); +} + +/* + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 79 + * coding: utf-8 + * End: + */ |