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-rw-r--r--macosx/tkMacOSXWindowEvent.c1258
1 files changed, 687 insertions, 571 deletions
diff --git a/macosx/tkMacOSXWindowEvent.c b/macosx/tkMacOSXWindowEvent.c
index 369932c..722ac9d 100644
--- a/macosx/tkMacOSXWindowEvent.c
+++ b/macosx/tkMacOSXWindowEvent.c
@@ -1,58 +1,14 @@
/*
* tkMacOSXWindowEvent.c --
*
- * This file defines the routines for both creating and handling
- * Window Manager class events for Tk.
+ * This file defines the routines for both creating and handling Window
+ * Manager class events for Tk.
*
- * Copyright 2001, Apple Computer, Inc.
- * Copyright (c) 2005-2007 Daniel A. Steffen <das@users.sourceforge.net>
+ * Copyright 2001-2009, Apple Inc.
+ * Copyright (c) 2005-2009 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.
- *
- * The following terms apply to all files originating from Apple
- * Computer, Inc. ("Apple") and associated with the software
- * unless explicitly disclaimed in individual files.
- *
- *
- * Apple hereby grants permission to use, copy, modify,
- * distribute, and license this software and its documentation
- * for any purpose, provided that existing copyright notices are
- * retained in all copies and that this notice is included
- * verbatim in any distributions. No written agreement, license,
- * or royalty fee is required for any of the authorized
- * uses. Modifications to this software may be copyrighted by
- * their authors and need not follow the licensing terms
- * described here, provided that the new terms are clearly
- * indicated on the first page of each file where they apply.
- *
- *
- * IN NO EVENT SHALL APPLE, THE AUTHORS OR DISTRIBUTORS OF THE
- * SOFTWARE BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
- * INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF
- * THIS SOFTWARE, ITS DOCUMENTATION, OR ANY DERIVATIVES THEREOF,
- * EVEN IF APPLE OR THE AUTHORS HAVE BEEN ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE. APPLE, THE AUTHORS AND
- * DISTRIBUTORS SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. THIS
- * SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, AND APPLE,THE
- * AUTHORS AND DISTRIBUTORS HAVE NO OBLIGATION TO PROVIDE
- * MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * GOVERNMENT USE: If you are acquiring this software on behalf
- * of the U.S. government, the Government shall have only
- * "Restricted Rights" in the software and related documentation
- * as defined in the Federal Acquisition Regulations (FARs) in
- * Clause 52.227.19 (c) (2). If you are acquiring the software
- * on behalf of the Department of Defense, the software shall be
- * classified as "Commercial Computer Software" and the
- * Government shall have only "Restricted Rights" as defined in
- * Clause 252.227-7013 (c) (1) of DFARs. Notwithstanding the
- * foregoing, the authors grant the U.S. Government and others
- * acting in its behalf permission to use and distribute the
- * software in accordance with the terms specified in this
- * license.
*/
#include "tkMacOSXPrivate.h"
@@ -62,7 +18,8 @@
/*
#ifdef TK_MAC_DEBUG
-#define TK_MAC_DEBUG_CLIP_REGIONS
+#define TK_MAC_DEBUG_EVENTS
+#define TK_MAC_DEBUG_DRAWING
#endif
*/
@@ -70,440 +27,281 @@
* Declaration of functions used only in this file
*/
-static int GenerateUpdateEvent(Window window);
-static int GenerateUpdates(HIMutableShapeRef updateRgn, CGRect *updateBounds,
- TkWindow *winPtr);
-static int GenerateActivateEvents(Window window, int activeFlag);
-static void ClearPort(CGrafPtr port, HIShapeRef updateRgn);
+static int GenerateUpdates(HIMutableShapeRef updateRgn,
+ CGRect *updateBounds, TkWindow *winPtr);
+static int GenerateActivateEvents(TkWindow *winPtr,
+ int activeFlag);
+static void DoWindowActivate(ClientData clientData);
+
+#pragma mark TKApplication(TKWindowEvent)
+
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+extern NSString *NSWindowWillOrderOnScreenNotification;
+extern NSString *NSWindowDidOrderOnScreenNotification;
+extern NSString *NSWindowDidOrderOffScreenNotification;
+#if MAC_OS_X_VERSION_MIN_REQUIRED < 1060
+#define NSWindowWillStartLiveResizeNotification @"NSWindowWillStartLiveResizeNotification"
+#define NSWindowDidEndLiveResizeNotification @"NSWindowDidEndLiveResizeNotification"
+#endif
+#endif
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXProcessApplicationEvent --
- *
- * This processes Application level events, mainly activate
- * and deactivate.
- *
- * Results:
- * 0.
- *
- * Side effects:
- * Hide or reveal floating windows.
- *
- *----------------------------------------------------------------------
- */
+extern NSString *opaqueTag;
-MODULE_SCOPE int
-TkMacOSXProcessApplicationEvent(
- TkMacOSXEvent *eventPtr,
- MacEventStatus *statusPtr)
+@implementation TKApplication(TKWindowEvent)
+
+- (void) windowActivation: (NSNotification *) notification
{
- Tcl_CmdInfo dummy;
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ BOOL activate = [[notification name]
+ isEqualToString:NSWindowDidBecomeKeyNotification];
+ NSWindow *w = [notification object];
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
- /*
- * This is a bit of a hack. We get "show" events both when we come back
- * from being hidden, and whenever we are activated. I only want to run
- * the "show" proc when we have been hidden already, not as a substitute
- * for <Activate>. So I use this toggle...
- */
- static int toggleHide = 0;
-
- switch (eventPtr->eKind) {
- case kEventAppActivated:
- ShowFloatingWindows();
- break;
- case kEventAppDeactivated:
- TkSuspendClipboard();
- HideFloatingWindows();
- break;
- case kEventAppQuit:
- statusPtr->stopProcessing = 1;
- break;
- case kEventAppHidden:
- if (toggleHide == 0) {
- toggleHide = 1;
- if (eventPtr->interp && Tcl_GetCommandInfo(eventPtr->interp,
- "::tk::mac::OnHide", &dummy)) {
- Tcl_GlobalEval(eventPtr->interp, "::tk::mac::OnHide");
- }
- }
- statusPtr->stopProcessing = 1;
- break;
- case kEventAppShown:
- if (toggleHide == 1) {
- toggleHide = 0;
- if (eventPtr->interp && Tcl_GetCommandInfo(eventPtr->interp,
- "::tk::mac::OnShow", &dummy)) {
- Tcl_GlobalEval(eventPtr->interp, "::tk::mac::OnShow");
- }
- }
- statusPtr->stopProcessing = 1;
- break;
- case kEventAppAvailableWindowBoundsChanged: {
- static UInt32 prevId = 0;
- UInt32 id;
- OSStatus err;
-
- err = ChkErr(GetEventParameter, eventPtr->eventRef,
- kEventParamTransactionID, typeUInt32,
- NULL, sizeof(id), NULL, &id);
- if (err != noErr || id != prevId) {
- TkDisplay *dispPtr = TkGetDisplayList();
-
- prevId = id;
- TkMacOSXDisplayChanged(dispPtr->display);
- }
+ if (winPtr && Tk_IsMapped(winPtr)) {
+ GenerateActivateEvents(winPtr, activate);
+ }
+}
+
+- (void) windowBoundsChanged: (NSNotification *) notification
+{
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ BOOL movedOnly = [[notification name]
+ isEqualToString:NSWindowDidMoveNotification];
+
+ if (movedOnly) {
+ /* constraining to screen after move not needed with AppKit */
+ }
+
+ NSWindow *w = [notification object];
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
+
+ if (winPtr) {
+ WmInfo *wmPtr = winPtr->wmInfoPtr;
+ NSRect bounds = [w frame];
+ int x, y, width = -1, height = -1, flags = 0;
+
+ x = bounds.origin.x;
+ y = tkMacOSXZeroScreenHeight - (bounds.origin.y + bounds.size.height);
+ if (winPtr->changes.x != x || winPtr->changes.y != y){
+ flags |= TK_LOCATION_CHANGED;
+ } else {
+ x = y = -1;
+ }
+ if (!movedOnly && (winPtr->changes.width != bounds.size.width ||
+ winPtr->changes.height != bounds.size.height)) {
+ width = bounds.size.width - wmPtr->xInParent;
+ height = bounds.size.height - wmPtr->yInParent;
+ flags |= TK_SIZE_CHANGED;
+ }
+ if (Tcl_GetServiceMode() != TCL_SERVICE_NONE) {
/*
- * Should we call ::tk::mac::OnDisplayChanged?
+ * Propagate geometry changes immediately.
*/
- break;
+
+ flags |= TK_MACOSX_HANDLE_EVENT_IMMEDIATELY;
}
- default:
- break;
+ TkGenWMConfigureEvent((Tk_Window) winPtr, x, y, width, height, flags);
}
- return 0;
}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXProcessAppearanceEvent --
- *
- * This processes Appearance events.
- *
- * Results:
- * 0.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
- */
-MODULE_SCOPE int
-TkMacOSXProcessAppearanceEvent(
- TkMacOSXEvent *eventPtr,
- MacEventStatus *statusPtr)
+- (void) windowExpanded: (NSNotification *) notification
{
- switch (eventPtr->eKind) {
- case kEventAppearanceScrollBarVariantChanged:
- TkMacOSXInitScrollbarMetrics();
- break;
- default:
- break;
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ NSWindow *w = [notification object];
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
+
+ if (winPtr) {
+ winPtr->wmInfoPtr->hints.initial_state =
+ TkMacOSXIsWindowZoomed(winPtr) ? ZoomState : NormalState;
+ Tk_MapWindow((Tk_Window) winPtr);
+ if (Tcl_GetServiceMode() != TCL_SERVICE_NONE) {
+ /*
+ * Process all Tk events generated by Tk_MapWindow().
+ */
+
+ while (Tcl_ServiceEvent(0)) {}
+ while (Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT)) {}
+
+ /*
+ * NSWindowDidDeminiaturizeNotification is received after
+ * NSWindowDidBecomeKeyNotification, so activate manually
+ */
+
+ GenerateActivateEvents(winPtr, 1);
+ } else {
+ Tcl_DoWhenIdle(DoWindowActivate, winPtr);
+ }
}
- return 0;
}
-
-/*
- *----------------------------------------------------------------------
- *
- * TkMacOSXProcessWindowEvent --
- *
- * This processes Window level events, mainly activate
- * and deactivate.
- *
- * Results:
- * 0.
- *
- * Side effects:
- * Cause Windows to be moved forward or backward in the
- * window stack.
- *
- *----------------------------------------------------------------------
- */
-MODULE_SCOPE int
-TkMacOSXProcessWindowEvent(
- TkMacOSXEvent * eventPtr,
- MacEventStatus * statusPtr)
+- (void) windowCollapsed: (NSNotification *) notification
{
- OSStatus err;
- WindowRef whichWindow;
- Window window;
- int eventFound = false;
- TkDisplay *dispPtr;
- TkWindow *winPtr;
-
- switch (eventPtr->eKind) {
- case kEventWindowActivated:
- case kEventWindowDeactivated:
- case kEventWindowUpdate:
- case kEventWindowExpanding:
- case kEventWindowBoundsChanged:
- case kEventWindowDragStarted:
- case kEventWindowDragCompleted:
- case kEventWindowConstrain:
- case kEventWindowGetRegion:
- case kEventWindowDrawContent:
- break;
- default:
- return 0;
- break;
- }
- err = ChkErr(GetEventParameter, eventPtr->eventRef,
- kEventParamDirectObject, typeWindowRef, NULL, sizeof(whichWindow),
- NULL, &whichWindow);
- if (err != noErr) {
- return 0;
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ NSWindow *w = [notification object];
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
+
+ if (winPtr) {
+ Tk_UnmapWindow((Tk_Window) winPtr);
}
+}
- window = TkMacOSXGetXWindow(whichWindow);
- dispPtr = TkGetDisplayList();
- winPtr = (TkWindow *)Tk_IdToWindow(dispPtr->display, window);
+- (BOOL) windowShouldClose: (NSWindow *) w
+{
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, w);
+#endif
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
- switch (eventPtr->eKind) {
- case kEventWindowActivated:
- case kEventWindowDeactivated:
- if (window != None) {
- int activate = (eventPtr->eKind == kEventWindowActivated);
+ if (winPtr) {
+ TkGenWMDestroyEvent((Tk_Window) winPtr);
+ }
- eventFound |= GenerateActivateEvents(window, activate);
- eventFound |= TkMacOSXGenerateFocusEvent(window, activate);
- if (winPtr) {
- TkMacOSXEnterExitFullscreen(winPtr, activate);
- }
- statusPtr->stopProcessing = 1;
- }
- break;
- case kEventWindowUpdate:
- if (window != None && GenerateUpdateEvent(window)) {
- eventFound = true;
- statusPtr->stopProcessing = 1;
- }
- break;
- case kEventWindowExpanding:
- if (winPtr) {
- winPtr->wmInfoPtr->hints.initial_state =
- TkMacOSXIsWindowZoomed(winPtr) ? ZoomState :
- NormalState;
- Tk_MapWindow((Tk_Window) winPtr);
- /*
- * Need to process all Tk events generated by Tk_MapWindow()
- * before returning to ensure all children are mapped, as
- * otherwise the Activate event that follows Expanding would
- * not be processed by any unmapped children.
- */
- while (Tcl_ServiceEvent(TCL_WINDOW_EVENTS)) {};
- while (Tcl_DoOneEvent(TCL_IDLE_EVENTS)) {};
- }
- break;
- case kEventWindowBoundsChanged:
- if (winPtr) {
- WmInfo *wmPtr = winPtr->wmInfoPtr;
- UInt32 attr;
- Rect bounds;
- int x = -1, y = -1, width = -1, height = -1, flags = 0;
-
- ChkErr(GetEventParameter, eventPtr->eventRef,
- kEventParamAttributes, typeUInt32,
- NULL, sizeof(attr), NULL, &attr);
- ChkErr(GetEventParameter, eventPtr->eventRef,
- kEventParamCurrentBounds, typeQDRectangle,
- NULL, sizeof(bounds), NULL, &bounds);
- if (attr & kWindowBoundsChangeOriginChanged) {
- x = bounds.left - wmPtr->xInParent;
- y = bounds.top - wmPtr->yInParent;
- flags |= TK_LOCATION_CHANGED;
- }
- if (attr & kWindowBoundsChangeSizeChanged) {
- width = bounds.right - bounds.left;
- height = bounds.bottom - bounds.top;
- flags |= TK_SIZE_CHANGED;
- }
- TkMacOSXInvalClipRgns((Tk_Window) winPtr);
- TkMacOSXInvalidateWindow((MacDrawable *) window,
- TK_PARENT_WINDOW);
- TkGenWMConfigureEvent((Tk_Window)winPtr, x, y, width,
- height, flags);
- if (attr & kWindowBoundsChangeUserResize ||
- attr & kWindowBoundsChangeUserDrag) {
- TkMacOSXRunTclEventLoop();
- }
- if (wmPtr->attributes & kWindowResizableAttribute) {
- HIViewRef growBoxView;
-
- err = HIViewFindByID(HIViewGetRoot(whichWindow),
- kHIViewWindowGrowBoxID, &growBoxView);
- if (err == noErr) {
- ChkErr(HIViewSetNeedsDisplay, growBoxView, true);
- }
- }
- }
- break;
- case kEventWindowDragStarted:
- if (!(TkMacOSXModifierState() & cmdKey)) {
- TkMacOSXBringWindowForward(whichWindow);
- }
- TkMacOSXTrackingLoop(1);
- break;
- case kEventWindowDragCompleted: {
- Rect maxBounds, bounds, strWidths;
- int h = 0, v = 0;
-
- TkMacOSXTrackingLoop(0);
- ChkErr(GetWindowGreatestAreaDevice, whichWindow,
- kWindowDragRgn, NULL, &maxBounds);
- ChkErr(GetWindowBounds, whichWindow, kWindowStructureRgn,
- &bounds);
- ChkErr(GetWindowStructureWidths, whichWindow, &strWidths);
- if (bounds.left > maxBounds.right - strWidths.left) {
- h = maxBounds.right
- - (strWidths.left ? strWidths.left : 40)
- - bounds.left;
- } else if (bounds.right < maxBounds.left
- + strWidths.right) {
- h = maxBounds.left
- + (strWidths.right ? strWidths.right : 40)
- - bounds.right;
- }
- if (bounds.top > maxBounds.bottom - strWidths.top) {
- v = maxBounds.bottom
- - (strWidths.top ? strWidths.top : 40)
- - bounds.top;
- } else if (bounds.bottom < maxBounds.top
- + strWidths.bottom) {
- v = maxBounds.top
- + (strWidths.bottom ? strWidths.bottom : 40)
- - bounds.bottom;
- } else if (strWidths.top && bounds.top < maxBounds.top) {
- v = maxBounds.top - bounds.top;
- }
- if (h || v) {
- OffsetRect(&bounds, h, v);
- ChkErr(SetWindowBounds, whichWindow,
- kWindowStructureRgn, &bounds);
- }
- break;
- }
- case kEventWindowConstrain:
- if (winPtr && (winPtr->wmInfoPtr->flags & WM_FULLSCREEN) &&
- TkMacOSXMakeFullscreen(winPtr, whichWindow, 1,
- NULL) == TCL_OK) {
- statusPtr->stopProcessing = 1;
- }
- break;
- case kEventWindowGetRegion:
- if (winPtr && (winPtr->wmInfoPtr->flags & WM_TRANSPARENT)) {
- WindowRegionCode code;
-
- statusPtr->stopProcessing = (CallNextEventHandler(
- eventPtr->callRef, eventPtr->eventRef) == noErr);
- err = ChkErr(GetEventParameter, eventPtr->eventRef,
- kEventParamWindowRegionCode, typeWindowRegionCode,
- NULL, sizeof(code), NULL, &code);
- if (err == noErr && code == kWindowOpaqueRgn) {
- RgnHandle rgn;
-
- err = ChkErr(GetEventParameter, eventPtr->eventRef,
- kEventParamRgnHandle, typeQDRgnHandle, NULL,
- sizeof(rgn), NULL, &rgn);
- if (err == noErr) {
- SetEmptyRgn(rgn);
- statusPtr->stopProcessing = 1;
- }
- }
- }
- break;
- case kEventWindowDrawContent:
- if (winPtr && (winPtr->wmInfoPtr->flags & WM_TRANSPARENT)) {
- CGrafPtr port;
+ /*
+ * If necessary, TkGenWMDestroyEvent() handles [close]ing the window,
+ * so can always return NO from -windowShouldClose: for a Tk window.
+ */
- GetPort(&port);
- ClearPort(port, NULL);
- }
- break;
+ return (winPtr ? NO : YES);
+}
+
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+
+- (void) windowDragStart: (NSNotification *) notification
+{
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+}
+
+- (void) windowLiveResize: (NSNotification *) notification
+{
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+ //BOOL start = [[notification name] isEqualToString:NSWindowWillStartLiveResizeNotification];
+}
+
+- (void) windowMapped: (NSNotification *) notification
+{
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+ NSWindow *w = [notification object];
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
+
+ if (winPtr) {
+ //Tk_MapWindow((Tk_Window) winPtr);
}
+}
- return eventFound;
+- (void) windowBecameVisible: (NSNotification *) notification
+{
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
}
+
+- (void) windowUnmapped: (NSNotification *) notification
+{
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+ NSWindow *w = [notification object];
+ TkWindow *winPtr = TkMacOSXGetTkWindow(w);
+
+ if (winPtr) {
+ //Tk_UnmapWindow((Tk_Window) winPtr);
+ }
+}
+#endif /* TK_MAC_DEBUG_NOTIFICATIONS */
+
+- (void) _setupWindowNotifications
+{
+ NSNotificationCenter *nc = [NSNotificationCenter defaultCenter];
+
+#define observe(n, s) \
+ [nc addObserver:self selector:@selector(s) name:(n) object:nil]
+ observe(NSWindowDidBecomeKeyNotification, windowActivation:);
+ observe(NSWindowDidResignKeyNotification, windowActivation:);
+ observe(NSWindowDidMoveNotification, windowBoundsChanged:);
+ observe(NSWindowDidResizeNotification, windowBoundsChanged:);
+ observe(NSWindowDidDeminiaturizeNotification, windowExpanded:);
+ observe(NSWindowDidMiniaturizeNotification, windowCollapsed:);
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ observe(NSWindowWillMoveNotification, windowDragStart:);
+ observe(NSWindowWillStartLiveResizeNotification, windowLiveResize:);
+ observe(NSWindowDidEndLiveResizeNotification, windowLiveResize:);
+ observe(NSWindowWillOrderOnScreenNotification, windowMapped:);
+ observe(NSWindowDidOrderOnScreenNotification, windowBecameVisible:);
+ observe(NSWindowDidOrderOffScreenNotification, windowUnmapped:);
+#endif
+#undef observe
+}
+@end
-/*
- *----------------------------------------------------------------------
- *
- * GenerateUpdateEvent --
- *
- * Given a Macintosh window update event this function generates
- * all the Expose XEvents needed by Tk.
- *
- * Results:
- * True if event(s) are generated - false otherwise.
- *
- * Side effects:
- * Additional events may be place on the Tk event queue.
- *
- *----------------------------------------------------------------------
- */
-static int
-GenerateUpdateEvent(Window window)
+#pragma mark TKApplication(TKApplicationEvent)
+
+@implementation TKApplication(TKApplicationEvent)
+
+- (void) applicationActivate: (NSNotification *) notification
{
- WindowRef macWindow;
- TkDisplay *dispPtr;
- TkWindow *winPtr;
- int result = 0;
- CGRect updateBounds;
- HIShapeRef rgn;
- HIMutableShapeRef updateRgn;
- int dx, dy;
-
- dispPtr = TkGetDisplayList();
- winPtr = (TkWindow *)Tk_IdToWindow(dispPtr->display, window);
-
- if (winPtr ==NULL ){
- return result;
- }
- macWindow = TkMacOSXDrawableWindow(window);
- TK_IF_MAC_OS_X_API (5, HIWindowCopyShape,
- ChkErr(HIWindowCopyShape, macWindow, kWindowUpdateRgn,
- kHICoordSpaceWindow, &rgn);
- dx = -winPtr->wmInfoPtr->xInParent;
- dy = -winPtr->wmInfoPtr->yInParent;
- ) TK_ELSE_MAC_OS_X (5,
- Rect bounds;
-
- TkMacOSXCheckTmpQdRgnEmpty();
- ChkErr(GetWindowRegion, macWindow, kWindowUpdateRgn, tkMacOSXtmpQdRgn);
- rgn = HIShapeCreateWithQDRgn(tkMacOSXtmpQdRgn);
- SetEmptyRgn(tkMacOSXtmpQdRgn);
- ChkErr(GetWindowBounds, macWindow, kWindowContentRgn, &bounds);
- dx = -bounds.left;
- dy = -bounds.top;
- ) TK_ENDIF
- updateRgn = HIShapeCreateMutableCopy(rgn);
- CFRelease(rgn);
- ChkErr(HIShapeOffset, updateRgn, dx, dy);
- HIShapeGetBounds(updateRgn, &updateBounds);
-#ifdef TK_MAC_DEBUG_CLIP_REGIONS
- TkMacOSXDebugFlashRegion(window, updateRgn);
-#endif /* TK_MAC_DEBUG_CLIP_REGIONS */
- BeginUpdate(macWindow);
- if (winPtr->wmInfoPtr->flags & WM_TRANSPARENT) {
- ClearPort(TkMacOSXGetDrawablePort(window), updateRgn);
- }
- result = GenerateUpdates(updateRgn, &updateBounds, winPtr);
- EndUpdate(macWindow);
- CFRelease(updateRgn);
- if (result) {
- /*
- * Ensure there are no pending idle-time redraws that could prevent
- * the just posted Expose events from generating new redraws.
- */
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ [NSApp tkCheckPasteboard];
+}
- Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT);
+- (void) applicationDeactivate: (NSNotification *) notification
+{
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ TkSuspendClipboard();
+}
+
+- (void) applicationShowHide: (NSNotification *) notification
+{
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ const char *cmd = ([[notification name] isEqualToString:
+ NSApplicationDidUnhideNotification] ?
+ "::tk::mac::OnShow" : "::tk::mac::OnHide");
+ Tcl_CmdInfo dummy;
+
+ if (_eventInterp && Tcl_GetCommandInfo(_eventInterp, cmd, &dummy)) {
+ int code = Tcl_EvalEx(_eventInterp, cmd, -1, TCL_EVAL_GLOBAL);
+
+ if (code != TCL_OK) {
+ Tcl_BackgroundError(_eventInterp);
+ }
+ Tcl_ResetResult(_eventInterp);
}
- return result;
- }
+}
+
+- (void) displayChanged: (NSNotification *) notification
+{
+#ifdef TK_MAC_DEBUG_NOTIFICATIONS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, notification);
+#endif
+ TkDisplay *dispPtr = TkGetDisplayList();
+
+ if (dispPtr) {
+ TkMacOSXDisplayChanged(dispPtr->display);
+ }
+}
+@end
+
+#pragma mark -
/*
*----------------------------------------------------------------------
*
* GenerateUpdates --
*
- * Given a Macintosh update region and a Tk window this function
- * geneates a X Expose event for the window if it is within the
- * update region. The function will then recursivly have each
- * damaged window generate Expose events for its child windows.
+ * Given a Macintosh update region and a Tk window this function geneates
+ * a X Expose event for the window if it is within the update region. The
+ * function will then recursivly have each damaged window generate Expose
+ * events for its child windows.
*
* Results:
* True if event(s) are generated - false otherwise.
@@ -529,11 +327,9 @@ GenerateUpdates(
if (!CGRectIntersectsRect(bounds, *updateBounds)) {
return 0;
}
- TK_IF_MAC_OS_X_API (4, HIShapeIntersectsRect,
- if (!HIShapeIntersectsRect(updateRgn, &bounds)) {
- return 0;
- }
- ) TK_ENDIF
+ if (!HIShapeIntersectsRect(updateRgn, &bounds)) {
+ return 0;
+ }
/*
* Compute the bounding box of the area that the damage occured in.
@@ -547,12 +343,11 @@ GenerateUpdates(
return 0;
}
HIShapeGetBounds(damageRgn, &damageBounds);
- ChkErr(TkMacOSHIShapeUnion, boundsRgn, updateRgn, updateRgn);
- HIShapeGetBounds(updateRgn, updateBounds);
+
CFRelease(damageRgn);
CFRelease(boundsRgn);
- event.xany.serial = Tk_Display(winPtr)->request;
+ event.xany.serial = LastKnownRequestProcessed(Tk_Display(winPtr));
event.xany.send_event = false;
event.xany.window = Tk_WindowId(winPtr);
event.xany.display = Tk_Display(winPtr);
@@ -563,6 +358,10 @@ GenerateUpdates(
event.xexpose.height = damageBounds.size.height;
event.xexpose.count = 0;
Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
+#ifdef TK_MAC_DEBUG_DRAWING
+ TKLog(@"Expose %p {{%d, %d}, {%d, %d}}", event.xany.window, event.xexpose.x,
+ event.xexpose.y, event.xexpose.width, event.xexpose.height);
+#endif
/*
* Generate updates for the children of this window
@@ -593,7 +392,7 @@ GenerateUpdates(
return 1;
}
-
+
/*
*----------------------------------------------------------------------
*
@@ -613,29 +412,45 @@ GenerateUpdates(
int
GenerateActivateEvents(
- Window window, /* Root X window for event. */
- int activeFlag )
+ TkWindow *winPtr,
+ int activeFlag)
{
- TkWindow *winPtr;
- TkDisplay *dispPtr;
-
- dispPtr = TkGetDisplayList();
- winPtr = (TkWindow *) Tk_IdToWindow(dispPtr->display, window);
- if (winPtr == NULL || winPtr->window == None) {
- return false;
- }
-
- TkGenerateActivateEvents(winPtr,activeFlag);
+ TkGenerateActivateEvents(winPtr, activeFlag);
+ TkMacOSXGenerateFocusEvent(winPtr, activeFlag);
+ TkMacOSXEnterExitFullscreen(winPtr, activeFlag);
return true;
}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * DoWindowActivate --
+ *
+ * Idle handler that calls GenerateActivateEvents().
+ *
+ * Results:
+ * None.
+ *
+ * Side effects:
+ * Additional events may be place on the Tk event queue.
+ *
+ *----------------------------------------------------------------------
+ */
+void
+DoWindowActivate(
+ ClientData clientData)
+{
+ GenerateActivateEvents(clientData, 1);
+}
+
/*
*----------------------------------------------------------------------
*
* TkMacOSXGenerateFocusEvent --
*
- * Given a Macintosh window activate event this function generates all the
- * X Focus events needed by Tk.
+ * Given a Macintosh window activate event this function generates all
+ * the X Focus events needed by Tk.
*
* Results:
* True if event(s) are generated - false otherwise.
@@ -648,32 +463,24 @@ GenerateActivateEvents(
MODULE_SCOPE int
TkMacOSXGenerateFocusEvent(
- Window window, /* Root X window for event. */
- int activeFlag )
+ TkWindow *winPtr, /* Root X window for event. */
+ int activeFlag)
{
XEvent event;
- Tk_Window tkwin;
- TkDisplay *dispPtr;
-
- dispPtr = TkGetDisplayList();
- tkwin = Tk_IdToWindow(dispPtr->display, window);
- if (tkwin == NULL) {
- return false;
- }
/*
- * Don't send focus events to windows of class help or to
- * windows with the kWindowNoActivatesAttribute.
+ * Don't send focus events to windows of class help or to windows with the
+ * kWindowNoActivatesAttribute.
*/
- if (((TkWindow *)tkwin)->wmInfoPtr->macClass == kHelpWindowClass ||
- ((TkWindow *)tkwin)->wmInfoPtr->attributes &
- kWindowNoActivatesAttribute) {
+
+ if (winPtr->wmInfoPtr && (winPtr->wmInfoPtr->macClass == kHelpWindowClass ||
+ winPtr->wmInfoPtr->attributes & kWindowNoActivatesAttribute)) {
return false;
}
/*
- * Generate FocusIn and FocusOut events. This event
- * is only sent to the toplevel window.
+ * Generate FocusIn and FocusOut events. This event is only sent to the
+ * toplevel window.
*/
if (activeFlag) {
@@ -682,10 +489,10 @@ TkMacOSXGenerateFocusEvent(
event.xany.type = FocusOut;
}
- event.xany.serial = dispPtr->display->request;
+ event.xany.serial = LastKnownRequestProcessed(Tk_Display(winPtr));
event.xany.send_event = False;
- event.xfocus.display = dispPtr->display;
- event.xfocus.window = window;
+ event.xfocus.display = Tk_Display(winPtr);
+ event.xfocus.window = winPtr->window;
event.xfocus.mode = NotifyNormal;
event.xfocus.detail = NotifyDetailNone;
@@ -698,9 +505,8 @@ TkMacOSXGenerateFocusEvent(
*
* TkGenWMConfigureEvent --
*
- * Generate a ConfigureNotify event for Tk. Depending on the
- * value of flag the values of width/height, x/y, or both may
- * be changed.
+ * Generate a ConfigureNotify event for Tk. Depending on the value of flag
+ * the values of width/height, x/y, or both may be changed.
*
* Results:
* None.
@@ -714,10 +520,8 @@ TkMacOSXGenerateFocusEvent(
void
TkGenWMConfigureEvent(
Tk_Window tkwin,
- int x,
- int y,
- int width,
- int height,
+ int x, int y,
+ int width, int height,
int flags)
{
XEvent event;
@@ -729,7 +533,7 @@ TkGenWMConfigureEvent(
}
event.type = ConfigureNotify;
- event.xconfigure.serial = Tk_Display(tkwin)->request;
+ event.xconfigure.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
event.xconfigure.send_event = False;
event.xconfigure.display = Tk_Display(tkwin);
event.xconfigure.event = Tk_WindowId(tkwin);
@@ -755,11 +559,16 @@ TkGenWMConfigureEvent(
event.xconfigure.width = width;
event.xconfigure.height = height;
- Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
+ if (flags & TK_MACOSX_HANDLE_EVENT_IMMEDIATELY) {
+ Tk_HandleEvent(&event);
+ } else {
+ Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
+ }
/*
* Update window manager information.
*/
+
if (Tk_IsTopLevel(winPtr)) {
wmPtr = winPtr->wmInfoPtr;
if (flags & TK_LOCATION_CHANGED) {
@@ -774,33 +583,31 @@ TkGenWMConfigureEvent(
* Don't set external width, since the user didn't change it
* from what the widgets asked for.
*/
- } else {
- if (wmPtr->gridWin != NULL) {
- wmPtr->width = wmPtr->reqGridWidth
+ } else if (wmPtr->gridWin != NULL) {
+ wmPtr->width = wmPtr->reqGridWidth
+ (width - winPtr->reqWidth)/wmPtr->widthInc;
- if (wmPtr->width < 0) {
- wmPtr->width = 0;
- }
- } else {
- wmPtr->width = width;
+ if (wmPtr->width < 0) {
+ wmPtr->width = 0;
}
+ } else {
+ wmPtr->width = width;
}
+
if ((wmPtr->height == -1) && (height == winPtr->reqHeight)) {
/*
* Don't set external height, since the user didn't change it
* from what the widgets asked for.
*/
- } else {
- if (wmPtr->gridWin != NULL) {
- wmPtr->height = wmPtr->reqGridHeight
+ } else if (wmPtr->gridWin != NULL) {
+ wmPtr->height = wmPtr->reqGridHeight
+ (height - winPtr->reqHeight)/wmPtr->heightInc;
- if (wmPtr->height < 0) {
- wmPtr->height = 0;
- }
- } else {
- wmPtr->height = height;
+ if (wmPtr->height < 0) {
+ wmPtr->height = 0;
}
+ } else {
+ wmPtr->height = height;
}
+
wmPtr->configWidth = width;
wmPtr->configHeight = height;
}
@@ -809,10 +616,11 @@ TkGenWMConfigureEvent(
/*
* Now set up the changes structure. Under X we wait for the
* ConfigureNotify to set these values. On the Mac we know imediatly that
- * this is what we want - so we just set them. However, we need to
- * make sure the windows clipping region is marked invalid so the
- * change is visible to the subwindow.
+ * this is what we want - so we just set them. However, we need to make
+ * sure the windows clipping region is marked invalid so the change is
+ * visible to the subwindow.
*/
+
winPtr->changes.x = x;
winPtr->changes.y = y;
winPtr->changes.width = width;
@@ -842,7 +650,7 @@ TkGenWMDestroyEvent(
{
XEvent event;
- event.xany.serial = Tk_Display(tkwin)->request;
+ event.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
event.xany.send_event = False;
event.xany.display = Tk_Display(tkwin);
@@ -851,7 +659,7 @@ TkGenWMDestroyEvent(
event.xclient.message_type = Tk_InternAtom(tkwin, "WM_PROTOCOLS");
event.xclient.format = 32;
event.xclient.data.l[0] = Tk_InternAtom(tkwin, "WM_DELETE_WINDOW");
- Tk_QueueWindowEvent(&event, TCL_QUEUE_TAIL);
+ Tk_HandleEvent(&event);
}
/*
@@ -859,17 +667,15 @@ TkGenWMDestroyEvent(
*
* TkWmProtocolEventProc --
*
- * This procedure is called by the Tk_HandleEvent whenever a
- * ClientMessage event arrives whose type is "WM_PROTOCOLS".
- * This procedure handles the message from the window manager
- * in an appropriate fashion.
+ * This procedure is called by the Tk_HandleEvent whenever a ClientMessage
+ * event arrives whose type is "WM_PROTOCOLS". This procedure handles the
+ * message from the window manager in an appropriate fashion.
*
* Results:
* None.
*
* Side effects:
- * Depends on what sort of handler, if any, was set up for the
- * protocol.
+ * Depends on what sort of handler, if any, was set up for the protocol.
*
*----------------------------------------------------------------------
*/
@@ -891,28 +697,28 @@ TkWmProtocolEventProc(
}
protocol = (Atom) eventPtr->xclient.data.l[0];
for (protPtr = wmPtr->protPtr; protPtr != NULL;
- protPtr = protPtr->nextPtr) {
+ protPtr = protPtr->nextPtr) {
if (protocol == protPtr->protocol) {
- Tcl_Preserve((ClientData) protPtr);
+ Tcl_Preserve(protPtr);
interp = protPtr->interp;
- Tcl_Preserve((ClientData) interp);
+ Tcl_Preserve(interp);
result = Tcl_GlobalEval(interp, protPtr->command);
if (result != TCL_OK) {
Tcl_AddErrorInfo(interp, "\n (command for \"");
Tcl_AddErrorInfo(interp,
Tk_GetAtomName((Tk_Window) winPtr, protocol));
Tcl_AddErrorInfo(interp, "\" window manager protocol)");
- Tk_BackgroundError(interp);
+ Tcl_BackgroundError(interp);
}
- Tcl_Release((ClientData) interp);
- Tcl_Release((ClientData) protPtr);
+ Tcl_Release(interp);
+ Tcl_Release(protPtr);
return;
}
}
/*
- * No handler was present for this protocol. If this is a
- * WM_DELETE_WINDOW message then just destroy the window.
+ * No handler was present for this protocol. If this is a WM_DELETE_WINDOW
+ * message then just destroy the window.
*/
if (protocol == Tk_InternAtom((Tk_Window) winPtr, "WM_DELETE_WINDOW")) {
@@ -947,44 +753,354 @@ Tk_MacOSXIsAppInFront(void)
if (err == noErr) {
ChkErr(SameProcess, &frontPsn, &ourPsn, &isFrontProcess);
}
-
+
return (isFrontProcess == true);
}
+#pragma mark TKContentView
+
+#import <ApplicationServices/ApplicationServices.h>
+
/*
- *----------------------------------------------------------------------
- *
- * ClearPort --
- *
- * Clear (i.e. fill with transparent color) the given port.
- *
- * Results:
- * None.
- *
- * Side effects:
- * None.
- *
- *----------------------------------------------------------------------
+ * Custom content view for Tk NSWindows, containing standard NSView subviews.
+ * The goal is to emulate X11-style drawing in response to Expose events:
+ * during the normal AppKit drawing cycle, we supress drawing of all subviews
+ * (using a technique adapted from WebKit's WebHTMLView) and instead send
+ * Expose events about the subviews that would be redrawn. Tk Expose event
+ * handling and drawing handlers then draw the subviews manually via their
+ * -displayRectIgnoringOpacity:
+ */
+
+@interface TKContentView(TKWindowEvent)
+- (void) drawRect: (NSRect) rect;
+- (void) generateExposeEvents: (HIMutableShapeRef) shape;
+- (BOOL) isOpaque;
+- (BOOL) wantsDefaultClipping;
+- (BOOL) acceptsFirstResponder;
+- (void) keyDown: (NSEvent *) theEvent;
+@end
+
+@implementation TKContentView
+@end
+
+static Tk_RestrictAction
+ExposeRestrictProc(
+ ClientData arg,
+ XEvent *eventPtr)
+{
+ return (eventPtr->type==Expose && eventPtr->xany.serial==PTR2UINT(arg)
+ ? TK_PROCESS_EVENT : TK_DEFER_EVENT);
+}
+
+@implementation TKContentView(TKWindowEvent)
+
+- (void) drawRect: (NSRect) rect
+{
+ const NSRect *rectsBeingDrawn;
+ NSInteger rectsBeingDrawnCount;
+
+ [self getRectsBeingDrawn:&rectsBeingDrawn count:&rectsBeingDrawnCount];
+#ifdef TK_MAC_DEBUG_DRAWING
+ TKLog(@"-[%@(%p) %s%@]", [self class], self, _cmd, NSStringFromRect(rect));
+ [[NSColor colorWithDeviceRed:0.0 green:1.0 blue:0.0 alpha:.1] setFill];
+ NSRectFillListUsingOperation(rectsBeingDrawn, rectsBeingDrawnCount,
+ NSCompositeSourceOver);
+#endif
+
+ NSWindow *w = [self window];
+
+ if ([self isOpaque] && [w showsResizeIndicator]) {
+ NSRect bounds = [self convertRect:[w _growBoxRect] fromView:nil];
+
+ if ([self needsToDrawRect:bounds]) {
+ NSEraseRect(bounds);
+ }
+ }
+
+ CGFloat height = [self bounds].size.height;
+ HIMutableShapeRef drawShape = HIShapeCreateMutable();
+
+ while (rectsBeingDrawnCount--) {
+ CGRect r = NSRectToCGRect(*rectsBeingDrawn++);
+
+ r.origin.y = height - (r.origin.y + r.size.height);
+ HIShapeUnionWithRect(drawShape, &r);
+ }
+ if (CFRunLoopGetMain() == CFRunLoopGetCurrent()) {
+ [self generateExposeEvents:drawShape];
+ } else {
+ [self performSelectorOnMainThread:@selector(generateExposeEvents:)
+ withObject:(id)drawShape waitUntilDone:NO
+ modes:[NSArray arrayWithObjects:NSRunLoopCommonModes,
+ NSEventTrackingRunLoopMode, NSModalPanelRunLoopMode,
+ nil]];
+ }
+ CFRelease(drawShape);
+}
+
+- (void) generateExposeEvents: (HIMutableShapeRef) shape
+{
+ TkWindow *winPtr = TkMacOSXGetTkWindow([self window]);
+ unsigned long serial;
+ CGRect updateBounds;
+
+ if (!winPtr) {
+ return;
+ }
+ HIShapeGetBounds(shape, &updateBounds);
+ serial = LastKnownRequestProcessed(Tk_Display(winPtr));
+ if (GenerateUpdates(shape, &updateBounds, winPtr) &&
+ ![[NSRunLoop currentRunLoop] currentMode] &&
+ Tcl_GetServiceMode() != TCL_SERVICE_NONE) {
+ /*
+ * Ensure there are no pending idle-time redraws that could prevent the
+ * just posted Expose events from generating new redraws.
+ */
+
+ while (Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT)) {}
+
+ /*
+ * For smoother drawing, process Expose events and resulting redraws
+ * immediately instead of at idle time.
+ */
+
+ ClientData oldArg;
+ Tk_RestrictProc *oldProc = Tk_RestrictEvents(ExposeRestrictProc,
+ UINT2PTR(serial), &oldArg);
+
+ while (Tcl_ServiceEvent(TCL_WINDOW_EVENTS)) {}
+ Tk_RestrictEvents(oldProc, oldArg, &oldArg);
+ while (Tcl_DoOneEvent(TCL_IDLE_EVENTS|TCL_DONT_WAIT)) {}
+ }
+}
+
+- (void) tkToolbarButton: (id) sender
+{
+#ifdef TK_MAC_DEBUG_EVENTS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd);
+#endif
+ XVirtualEvent event;
+ int x, y;
+ TkWindow *winPtr = TkMacOSXGetTkWindow([self window]);
+ Tk_Window tkwin = (Tk_Window) winPtr;
+
+ bzero(&event, sizeof(XVirtualEvent));
+ event.type = VirtualEvent;
+ event.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
+ event.send_event = false;
+ event.display = Tk_Display(tkwin);
+ event.event = Tk_WindowId(tkwin);
+ event.root = XRootWindow(Tk_Display(tkwin), 0);
+ event.subwindow = None;
+ event.time = TkpGetMS();
+ XQueryPointer(NULL, winPtr->window, NULL, NULL,
+ &event.x_root, &event.y_root, &x, &y, &event.state);
+ Tk_TopCoordsToWindow(tkwin, x, y, &event.x, &event.y);
+ event.same_screen = true;
+ event.name = Tk_GetUid("ToolbarButton");
+ Tk_QueueWindowEvent((XEvent *) &event, TCL_QUEUE_TAIL);
+}
+
+#ifdef TK_MAC_DEBUG_DRAWING
+- (void) setFrameSize: (NSSize) newSize
+{
+ TKLog(@"-[%@(%p) %s%@]", [self class], self, _cmd,
+ NSStringFromSize(newSize));
+ [super setFrameSize:newSize];
+}
+
+- (void) setNeedsDisplayInRect: (NSRect) invalidRect
+{
+ TKLog(@"-[%@(%p) %s%@]", [self class], self, _cmd,
+ NSStringFromRect(invalidRect));
+ [super setNeedsDisplayInRect:invalidRect];
+}
+#endif
+
+- (BOOL) isOpaque
+{
+ NSWindow *w = [self window];
+
+ if (opaqueTag != NULL) {
+ return YES;
+ } else {
+
+ return (w && (([w styleMask] & NSTexturedBackgroundWindowMask) ||
+ ![w isOpaque]) ? NO : YES);
+ }
+}
+
+- (BOOL) wantsDefaultClipping
+{
+ return NO;
+}
+
+- (BOOL) acceptsFirstResponder
+{
+ return YES;
+}
+
+- (void) keyDown: (NSEvent *) theEvent
+{
+#ifdef TK_MAC_DEBUG_EVENTS
+ TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, theEvent);
+#endif
+}
+
+@end
+
+#pragma mark TKContentViewPrivate
+
+/*
+ * Technique adapted from WebKit/WebKit/mac/WebView/WebHTMLView.mm to supress
+ * normal AppKit subview drawing and make all drawing go through us.
+ * Overrides NSView internals.
*/
-static void
-ClearPort(
- CGrafPtr port,
- HIShapeRef updateRgn)
-{
- CGContextRef context;
- Rect bounds;
- CGRect rect;
-
- GetPortBounds(port, &bounds);
- QDBeginCGContext(port, &context);
- SyncCGContextOriginWithPort(context, port);
- CGContextConcatCTM(context, CGAffineTransformMake(1.0, 0.0, 0.0, -1.0, 0.0,
- bounds.bottom - bounds.top));
- if (updateRgn) {
- ChkErr(HIShapeReplacePathInCGContext, updateRgn, context);
- CGContextEOClip(context);
- }
- rect = CGRectMake(0, 0, bounds.right, bounds.bottom);
- CGContextClearRect(context, rect);
- QDEndCGContext(port, &context);
+
+@interface TKContentView(TKContentViewPrivate)
+- (id) initWithFrame: (NSRect) frame;
+- (void) _setAsideSubviews;
+- (void) _restoreSubviews;
+@end
+
+@interface NSView(TKContentViewPrivate)
+- (void) _recursiveDisplayRectIfNeededIgnoringOpacity: (NSRect) rect
+ isVisibleRect: (BOOL) isVisibleRect
+ rectIsVisibleRectForView: (NSView *) visibleView
+ topView: (BOOL) topView;
+- (void) _recursiveDisplayAllDirtyWithLockFocus: (BOOL) needsLockFocus
+ visRect: (NSRect) visRect;
+- (void) _recursive: (BOOL) recurse
+ displayRectIgnoringOpacity: (NSRect) displayRect
+ inContext: (NSGraphicsContext *) context topView: (BOOL) topView;
+- (void) _lightWeightRecursiveDisplayInRect: (NSRect) visRect;
+- (BOOL) _drawRectIfEmpty;
+- (void) _drawRect: (NSRect) inRect clip: (BOOL) clip;
+- (void) _setDrawsOwnDescendants: (BOOL) drawsOwnDescendants;
+@end
+
+@implementation TKContentView(TKContentViewPrivate)
+
+- (id) initWithFrame: (NSRect) frame
+{
+ self = [super initWithFrame:frame];
+ if (self) {
+ _savedSubviews = nil;
+ _subviewsSetAside = NO;
+ [self _setDrawsOwnDescendants:YES];
+ }
+ return self;
+}
+
+- (void) _setAsideSubviews
+{
+#ifdef TK_MAC_DEBUG
+ if (_subviewsSetAside || _savedSubviews) {
+ Tcl_Panic("TKContentView _setAsideSubviews called incorrectly");
+ }
+#endif
+ _savedSubviews = _subviews;
+ _subviews = nil;
+ _subviewsSetAside = YES;
+}
+
+- (void) _restoreSubviews
+{
+#ifdef TK_MAC_DEBUG
+ if (!_subviewsSetAside || _subviews) {
+ Tcl_Panic("TKContentView _restoreSubviews called incorrectly");
+ }
+#endif
+ _subviews = _savedSubviews;
+ _savedSubviews = nil;
+ _subviewsSetAside = NO;
+}
+
+- (void) _recursiveDisplayRectIfNeededIgnoringOpacity: (NSRect) rect
+ isVisibleRect: (BOOL) isVisibleRect
+ rectIsVisibleRectForView: (NSView *) visibleView
+ topView: (BOOL) topView
+{
+ [self _setAsideSubviews];
+ [super _recursiveDisplayRectIfNeededIgnoringOpacity:rect
+ isVisibleRect:isVisibleRect rectIsVisibleRectForView:visibleView
+ topView:topView];
+ [self _restoreSubviews];
}
+
+- (void) _recursiveDisplayAllDirtyWithLockFocus: (BOOL) needsLockFocus
+ visRect: (NSRect) visRect
+{
+ BOOL needToSetAsideSubviews = !_subviewsSetAside;
+
+ if (needToSetAsideSubviews) {
+ [self _setAsideSubviews];
+ }
+ [super _recursiveDisplayAllDirtyWithLockFocus:needsLockFocus
+ visRect:visRect];
+ if (needToSetAsideSubviews) {
+ [self _restoreSubviews];
+ }
+}
+
+- (void) _recursive: (BOOL) recurse
+ displayRectIgnoringOpacity: (NSRect) displayRect
+ inContext: (NSGraphicsContext *) context topView: (BOOL) topView
+{
+ [self _setAsideSubviews];
+ [super _recursive:recurse
+ displayRectIgnoringOpacity:displayRect inContext:context
+ topView:topView];
+ [self _restoreSubviews];
+}
+
+- (void) _lightWeightRecursiveDisplayInRect: (NSRect) visRect
+{
+ BOOL needToSetAsideSubviews = !_subviewsSetAside;
+
+ if (needToSetAsideSubviews) {
+ [self _setAsideSubviews];
+ }
+ [super _lightWeightRecursiveDisplayInRect:visRect];
+ if (needToSetAsideSubviews) {
+ [self _restoreSubviews];
+ }
+}
+
+- (BOOL) _drawRectIfEmpty
+{
+ /*
+ * Our -drawRect manages subview drawing directly, so it needs to be called
+ * even if the area to be redrawn is completely obscured by subviews.
+ */
+
+ return YES;
+}
+
+- (void) _drawRect: (NSRect) inRect clip: (BOOL) clip
+{
+#ifdef TK_MAC_DEBUG_DRAWING
+ TKLog(@"-[%@(%p) %s%@]", [self class], self, _cmd,
+ NSStringFromRect(inRect));
+#endif
+ BOOL subviewsWereSetAside = _subviewsSetAside;
+
+ if (subviewsWereSetAside) {
+ [self _restoreSubviews];
+ }
+ [super _drawRect:inRect clip:clip];
+ if (subviewsWereSetAside) {
+ [self _setAsideSubviews];
+ }
+}
+
+@end
+
+/*
+ * Local Variables:
+ * mode: objc
+ * c-basic-offset: 4
+ * fill-column: 79
+ * coding: utf-8
+ * End:
+ */