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/*
* Copyright (C) 2005 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __LP64__
#import "HIWebView.h"
#import "CarbonWindowAdapter.h"
#import "HIViewAdapter.h"
#import "QuickDrawCompatibility.h"
#import "WebHTMLViewInternal.h"
#import "WebKit.h"
#import <WebKitSystemInterface.h>
#import <wtf/ObjcRuntimeExtras.h>
@interface NSWindow (AppKitSecretsHIWebViewKnows)
- (void)_removeWindowRef;
@end
@interface NSView (AppKitSecretsHIWebViewKnows)
- (void)_clearDirtyRectsForTree;
@end
extern "C" void HIWebViewRegisterClass();
@interface MenuItemProxy : NSObject <NSValidatedUserInterfaceItem>
{
int _tag;
SEL _action;
}
- (id)initWithAction:(SEL)action;
- (SEL)action;
- (int)tag;
@end
@implementation MenuItemProxy
- (id)initWithAction:(SEL)action
{
[super init];
if (self == nil) return nil;
_action = action;
return self;
}
- (SEL)action
{
return _action;
}
- (int)tag
{
return 0;
}
@end
struct HIWebView
{
HIViewRef fViewRef;
WebView* fWebView;
NSView* fFirstResponder;
CarbonWindowAdapter * fKitWindow;
bool fIsComposited;
CFRunLoopObserverRef fUpdateObserver;
};
typedef struct HIWebView HIWebView;
static const OSType NSAppKitPropertyCreator = 'akit';
/*
These constants are not used. Commented out to make the compiler happy.
static const OSType NSViewCarbonControlViewPropertyTag = 'view';
static const OSType NSViewCarbonControlAutodisplayPropertyTag = 'autd';
static const OSType NSViewCarbonControlFirstResponderViewPropertyTag = 'frvw';
*/
static const OSType NSCarbonWindowPropertyTag = 'win ';
static SEL _NSSelectorForHICommand( const HICommand* hiCommand );
static const EventTypeSpec kEvents[] = {
{ kEventClassHIObject, kEventHIObjectConstruct },
{ kEventClassHIObject, kEventHIObjectDestruct },
{ kEventClassMouse, kEventMouseUp },
{ kEventClassMouse, kEventMouseMoved },
{ kEventClassMouse, kEventMouseDragged },
{ kEventClassMouse, kEventMouseWheelMoved },
{ kEventClassKeyboard, kEventRawKeyDown },
{ kEventClassKeyboard, kEventRawKeyRepeat },
{ kEventClassCommand, kEventCommandProcess },
{ kEventClassCommand, kEventCommandUpdateStatus },
{ kEventClassControl, kEventControlInitialize },
{ kEventClassControl, kEventControlDraw },
{ kEventClassControl, kEventControlHitTest },
{ kEventClassControl, kEventControlGetPartRegion },
{ kEventClassControl, kEventControlGetData },
{ kEventClassControl, kEventControlBoundsChanged },
{ kEventClassControl, kEventControlActivate },
{ kEventClassControl, kEventControlDeactivate },
{ kEventClassControl, kEventControlOwningWindowChanged },
{ kEventClassControl, kEventControlClick },
{ kEventClassControl, kEventControlContextualMenuClick },
{ kEventClassControl, kEventControlSetFocusPart }
};
#define kHIViewBaseClassID CFSTR( "com.apple.hiview" )
#define kHIWebViewClassID CFSTR( "com.apple.HIWebView" )
static HIWebView* HIWebViewConstructor( HIViewRef inView );
static void HIWebViewDestructor( HIWebView* view );
static OSStatus HIWebViewEventHandler(
EventHandlerCallRef inCallRef,
EventRef inEvent,
void * inUserData );
static UInt32 GetBehaviors();
static ControlKind GetKind();
static void Draw( HIWebView* inView, RgnHandle limitRgn, CGContextRef inContext );
static ControlPartCode HitTest( HIWebView* view, const HIPoint* where );
static OSStatus GetRegion( HIWebView* view, ControlPartCode inPart, RgnHandle outRgn );
static void BoundsChanged(
HIWebView* inView,
UInt32 inOptions,
const HIRect* inOriginalBounds,
const HIRect* inCurrentBounds );
static void OwningWindowChanged(
HIWebView* view,
WindowRef oldWindow,
WindowRef newWindow );
static void ActiveStateChanged( HIWebView* view );
static OSStatus Click( HIWebView* inView, EventRef inEvent );
static OSStatus ContextMenuClick( HIWebView* inView, EventRef inEvent );
static OSStatus MouseUp( HIWebView* inView, EventRef inEvent );
static OSStatus MouseMoved( HIWebView* inView, EventRef inEvent );
static OSStatus MouseDragged( HIWebView* inView, EventRef inEvent );
static OSStatus MouseWheelMoved( HIWebView* inView, EventRef inEvent );
static OSStatus ProcessCommand( HIWebView* inView, const HICommand* inCommand );
static OSStatus UpdateCommandStatus( HIWebView* inView, const HICommand* inCommand );
static OSStatus SetFocusPart(
HIWebView* view,
ControlPartCode desiredFocus,
RgnHandle invalidRgn,
Boolean focusEverything,
ControlPartCode* actualFocus );
static NSView* AdvanceFocus( HIWebView* view, bool forward );
static void RelinquishFocus( HIWebView* view, bool inAutodisplay );
static WindowRef GetWindowRef( HIWebView* inView );
static void SyncFrame( HIWebView* inView );
static OSStatus WindowHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData );
static void StartUpdateObserver( HIWebView* view );
static void StopUpdateObserver( HIWebView* view );
static inline void HIRectToQDRect( const HIRect* inRect, Rect* outRect )
{
outRect->top = (SInt16)CGRectGetMinY( *inRect );
outRect->left = (SInt16)CGRectGetMinX( *inRect );
outRect->bottom = (SInt16)CGRectGetMaxY( *inRect );
outRect->right = (SInt16)CGRectGetMaxX( *inRect );
}
//----------------------------------------------------------------------------------
// HIWebViewCreate
//----------------------------------------------------------------------------------
//
OSStatus
HIWebViewCreate(HIViewRef* outControl)
{
HIWebViewRegisterClass();
return HIObjectCreate(kHIWebViewClassID, NULL, (HIObjectRef*)outControl);
}
//----------------------------------------------------------------------------------
// HIWebViewGetWebView
//----------------------------------------------------------------------------------
//
WebView*
HIWebViewGetWebView( HIViewRef inView )
{
HIWebView* view = (HIWebView*)HIObjectDynamicCast( (HIObjectRef)inView, kHIWebViewClassID );
WebView* result = NULL;
if ( view )
result = view->fWebView;
return result;
}
//----------------------------------------------------------------------------------
// HIWebViewConstructor
//----------------------------------------------------------------------------------
//
static HIWebView*
HIWebViewConstructor( HIViewRef inView )
{
HIWebView* view = (HIWebView*)malloc( sizeof( HIWebView ) );
if ( view )
{
NSRect frame = { { 0, 0 }, { 400, 400 } };
view->fViewRef = inView;
WebView *webView = [[WebView alloc] initWithFrame: frame];
CFRetain(webView);
[webView release];
view->fWebView = webView;
[HIViewAdapter bindHIViewToNSView:inView nsView:view->fWebView];
view->fFirstResponder = NULL;
view->fKitWindow = NULL;
view->fIsComposited = false;
view->fUpdateObserver = NULL;
}
return view;
}
//----------------------------------------------------------------------------------
// HIWebViewDestructor
//----------------------------------------------------------------------------------
//
static void
HIWebViewDestructor( HIWebView* inView )
{
[HIViewAdapter unbindNSView:inView->fWebView];
CFRelease(inView->fWebView);
free(inView);
}
//----------------------------------------------------------------------------------
// HIWebViewRegisterClass
//----------------------------------------------------------------------------------
//
void
HIWebViewRegisterClass()
{
static bool sRegistered;
if ( !sRegistered )
{
HIObjectRegisterSubclass( kHIWebViewClassID, kHIViewBaseClassID, 0, HIWebViewEventHandler,
GetEventTypeCount( kEvents ), kEvents, 0, NULL );
sRegistered = true;
}
}
//----------------------------------------------------------------------------------
// GetBehaviors
//----------------------------------------------------------------------------------
//
static UInt32
GetBehaviors()
{
return kControlSupportsDataAccess | kControlSupportsGetRegion | kControlGetsFocusOnClick;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
//
static void
Draw( HIWebView* inView, RgnHandle limitRgn, CGContextRef inContext )
{
HIRect bounds;
Rect drawRect;
HIRect hiRect;
bool createdContext = false;
if (!inView->fIsComposited)
{
GrafPtr port;
Rect portRect;
GetPort( &port );
GetPortBounds( port, &portRect );
CreateCGContextForPort( port, &inContext );
SyncCGContextOriginWithPort( inContext, port );
CGContextTranslateCTM( inContext, 0, (portRect.bottom - portRect.top) );
CGContextScaleCTM( inContext, 1, -1 );
createdContext = true;
}
HIViewGetBounds( inView->fViewRef, &bounds );
CGContextRef savedContext = WKNSWindowOverrideCGContext(inView->fKitWindow, inContext);
[NSGraphicsContext setCurrentContext:[inView->fKitWindow graphicsContext]];
GetRegionBounds( limitRgn, &drawRect );
if ( !inView->fIsComposited )
OffsetRect( &drawRect, (SInt16)-bounds.origin.x, (SInt16)-bounds.origin.y );
hiRect.origin.x = drawRect.left;
hiRect.origin.y = bounds.size.height - drawRect.bottom; // flip y
hiRect.size.width = drawRect.right - drawRect.left;
hiRect.size.height = drawRect.bottom - drawRect.top;
// printf( "Drawing: drawRect is (%g %g) (%g %g)\n", hiRect.origin.x, hiRect.origin.y,
// hiRect.size.width, hiRect.size.height );
// FIXME: We need to do layout before Carbon has decided what region needs drawn.
// In Cocoa we make sure to do layout and invalidate any new regions before draw, so everything
// can be drawn in one pass. Doing a layout here will cause new regions to be invalidated, but they
// will not all be drawn in this pass since we already have a fixed rect we are going to display.
NSView <WebDocumentView> *documentView = [[[inView->fWebView mainFrame] frameView] documentView];
if ([documentView isKindOfClass:[WebHTMLView class]])
[(WebHTMLView *)documentView _web_updateLayoutAndStyleIfNeededRecursive];
if ( inView->fIsComposited )
[inView->fWebView displayIfNeededInRect: *(NSRect*)&hiRect];
else
[inView->fWebView displayRect:*(NSRect*)&hiRect];
WKNSWindowRestoreCGContext(inView->fKitWindow, savedContext);
if ( !inView->fIsComposited )
{
HIViewRef view;
HIViewFindByID( HIViewGetRoot( GetControlOwner( inView->fViewRef ) ), kHIViewWindowGrowBoxID, &view );
if ( view )
{
HIRect frame;
HIViewGetBounds( view, &frame );
HIViewConvertRect( &frame, view, NULL );
hiRect.origin.x = drawRect.left;
hiRect.origin.y = drawRect.top;
hiRect.size.width = drawRect.right - drawRect.left;
hiRect.size.height = drawRect.bottom - drawRect.top;
HIViewConvertRect( &hiRect, inView->fViewRef, NULL );
if ( CGRectIntersectsRect( frame, hiRect ) )
HIViewSetNeedsDisplay( view, true );
}
}
if ( createdContext )
{
CGContextSynchronize( inContext );
CGContextRelease( inContext );
}
}
//----------------------------------------------------------------------------------
// HitTest
//----------------------------------------------------------------------------------
//
static ControlPartCode
HitTest( HIWebView* view, const HIPoint* where )
{
HIRect bounds;
HIViewGetBounds( view->fViewRef, &bounds );
if ( CGRectContainsPoint( bounds, *where ) )
return 1;
else
return kControlNoPart;
}
//----------------------------------------------------------------------------------
// GetRegion
//----------------------------------------------------------------------------------
//
static OSStatus
GetRegion(
HIWebView* inView,
ControlPartCode inPart,
RgnHandle outRgn )
{
OSStatus err = eventNotHandledErr;
if ( inPart == -3 ) // kControlOpaqueMetaPart:
{
if ( [inView->fWebView isOpaque] )
{
HIRect bounds;
Rect temp;
HIViewGetBounds( inView->fViewRef, &bounds );
temp.top = (SInt16)bounds.origin.y;
temp.left = (SInt16)bounds.origin.x;
temp.bottom = (SInt16)CGRectGetMaxY( bounds );
temp.right = (SInt16)CGRectGetMaxX( bounds );
RectRgn( outRgn, &temp );
err = noErr;
}
}
return err;
}
static WindowRef
GetWindowRef( HIWebView* inView )
{
return GetControlOwner( inView->fViewRef );
}
//----------------------------------------------------------------------------------
// Click
//----------------------------------------------------------------------------------
//
static OSStatus
Click(HIWebView* inView, EventRef inEvent)
{
NSEvent *kitEvent = WKCreateNSEventWithCarbonClickEvent(inEvent, GetWindowRef(inView));
if (!inView->fIsComposited)
StartUpdateObserver(inView);
[inView->fKitWindow sendEvent:kitEvent];
if (!inView->fIsComposited)
StopUpdateObserver(inView);
[kitEvent release];
return noErr;
}
//----------------------------------------------------------------------------------
// MouseUp
//----------------------------------------------------------------------------------
//
static OSStatus
MouseUp( HIWebView* inView, EventRef inEvent )
{
NSEvent* kitEvent = WKCreateNSEventWithCarbonEvent(inEvent);
[inView->fKitWindow sendEvent:kitEvent];
[kitEvent release];
return noErr;
}
//----------------------------------------------------------------------------------
// MouseMoved
//----------------------------------------------------------------------------------
//
static OSStatus
MouseMoved( HIWebView* inView, EventRef inEvent )
{
NSEvent *kitEvent = WKCreateNSEventWithCarbonMouseMoveEvent(inEvent, inView->fKitWindow);
[inView->fKitWindow sendEvent:kitEvent];
[kitEvent release];
return noErr;
}
//----------------------------------------------------------------------------------
// MouseDragged
//----------------------------------------------------------------------------------
//
static OSStatus
MouseDragged( HIWebView* inView, EventRef inEvent )
{
NSEvent* kitEvent = WKCreateNSEventWithCarbonEvent(inEvent);
[inView->fKitWindow sendEvent:kitEvent];
[kitEvent release];
return noErr;
}
//----------------------------------------------------------------------------------
// MouseDragged
//----------------------------------------------------------------------------------
//
static OSStatus
MouseWheelMoved( HIWebView* inView, EventRef inEvent )
{
NSEvent* kitEvent = WKCreateNSEventWithCarbonEvent(inEvent);
[inView->fKitWindow sendEvent:kitEvent];
[kitEvent release];
return noErr;
}
//----------------------------------------------------------------------------------
// ContextMenuClick
//----------------------------------------------------------------------------------
//
static OSStatus
ContextMenuClick( HIWebView* inView, EventRef inEvent )
{
NSView *webView = inView->fWebView;
NSWindow *window = [webView window];
// Get the point out of the event.
HIPoint point;
GetEventParameter(inEvent, kEventParamMouseLocation, typeHIPoint, NULL, sizeof(point), NULL, &point);
HIViewConvertPoint(&point, inView->fViewRef, NULL);
// Flip the Y coordinate, since Carbon is flipped relative to the AppKit.
NSPoint location = NSMakePoint(point.x, [window frame].size.height - point.y);
// Make up an event with the point and send it to the window.
NSEvent *kitEvent = [NSEvent mouseEventWithType:NSRightMouseDown
location:location
modifierFlags:0
timestamp:GetEventTime(inEvent)
windowNumber:[window windowNumber]
context:0
eventNumber:0
clickCount:1
pressure:0];
[inView->fKitWindow sendEvent:kitEvent];
return noErr;
}
//----------------------------------------------------------------------------------
// GetKind
//----------------------------------------------------------------------------------
//
static ControlKind
GetKind()
{
const ControlKind kMyKind = { 'appl', 'wbvw' };
return kMyKind;
}
//----------------------------------------------------------------------------------
// BoundsChanged
//----------------------------------------------------------------------------------
//
static void
BoundsChanged(
HIWebView* inView,
UInt32 inOptions,
const HIRect* inOriginalBounds,
const HIRect* inCurrentBounds )
{
if ( inView->fWebView )
{
SyncFrame( inView );
}
}
//----------------------------------------------------------------------------------
// OwningWindowChanged
//----------------------------------------------------------------------------------
//
static void
OwningWindowChanged(
HIWebView* view,
WindowRef oldWindow,
WindowRef newWindow )
{
if ( newWindow ){
WindowAttributes attrs;
OSStatus err = GetWindowProperty(newWindow, NSAppKitPropertyCreator, NSCarbonWindowPropertyTag, sizeof(NSWindow *), NULL, &view->fKitWindow);
if ( err != noErr )
{
const EventTypeSpec kWindowEvents[] = {
{ kEventClassWindow, kEventWindowClosed },
{ kEventClassMouse, kEventMouseMoved },
{ kEventClassMouse, kEventMouseUp },
{ kEventClassMouse, kEventMouseDragged },
{ kEventClassMouse, kEventMouseWheelMoved },
{ kEventClassKeyboard, kEventRawKeyDown },
{ kEventClassKeyboard, kEventRawKeyRepeat },
{ kEventClassKeyboard, kEventRawKeyUp },
{ kEventClassControl, kEventControlClick },
};
view->fKitWindow = [[CarbonWindowAdapter alloc] initWithCarbonWindowRef: newWindow takingOwnership: NO disableOrdering:NO carbon:YES];
SetWindowProperty(newWindow, NSAppKitPropertyCreator, NSCarbonWindowPropertyTag, sizeof(NSWindow *), &view->fKitWindow);
InstallWindowEventHandler( newWindow, WindowHandler, GetEventTypeCount( kWindowEvents ), kWindowEvents, newWindow, NULL );
}
[[view->fKitWindow contentView] addSubview:view->fWebView];
GetWindowAttributes( newWindow, &attrs );
view->fIsComposited = ( ( attrs & kWindowCompositingAttribute ) != 0 );
SyncFrame( view );
}
else
{
// Be sure to detach the cocoa view, too.
if ( view->fWebView )
[view->fWebView removeFromSuperview];
view->fKitWindow = NULL; // break the ties that bind
}
}
//-------------------------------------------------------------------------------------
// WindowHandler
//-------------------------------------------------------------------------------------
// Redirect mouse events to the views beneath them. This is required for WebKit to work
// properly. We install it once per window. We also tap into window close to release
// the NSWindow that shadows our Carbon window.
//
static OSStatus
WindowHandler( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
WindowRef window = (WindowRef)inUserData;
OSStatus result = eventNotHandledErr;
switch( GetEventClass( inEvent ) )
{
case kEventClassControl:
{
switch( GetEventKind( inEvent ) )
{
case kEventControlClick:
{
CarbonWindowAdapter *kitWindow;
OSStatus err;
err = GetWindowProperty( window, NSAppKitPropertyCreator, NSCarbonWindowPropertyTag, sizeof(NSWindow *), NULL, &kitWindow);
// We must be outside the HIWebView, relinquish focus.
[kitWindow relinquishFocus];
}
break;
}
}
break;
case kEventClassKeyboard:
{
NSWindow* kitWindow;
OSStatus err;
NSEvent* kitEvent;
// if the first responder in the kit window is something other than the
// window, we assume a subview of the webview is focused. we must send
// the event to the window so that it goes through the kit's normal TSM
// logic, and -- more importantly -- allows any delegates associated
// with the first responder to have a chance at the event.
err = GetWindowProperty( window, NSAppKitPropertyCreator, NSCarbonWindowPropertyTag, sizeof(NSWindow *), NULL, &kitWindow);
if ( err == noErr )
{
NSResponder* responder = [kitWindow firstResponder];
if ( responder != kitWindow )
{
kitEvent = WKCreateNSEventWithCarbonEvent(inEvent);
[kitWindow sendEvent:kitEvent];
[kitEvent release];
result = noErr;
}
}
}
break;
case kEventClassWindow:
{
NSWindow* kitWindow;
OSStatus err;
err = GetWindowProperty( window, NSAppKitPropertyCreator, NSCarbonWindowPropertyTag, sizeof(NSWindow *), NULL, &kitWindow);
if ( err == noErr )
{
[kitWindow _removeWindowRef];
[kitWindow close];
}
result = noErr;
}
break;
case kEventClassMouse:
switch (GetEventKind(inEvent))
{
case kEventMouseMoved:
{
Point where;
GetEventParameter(inEvent, kEventParamMouseLocation, typeQDPoint, NULL, sizeof(Point), NULL, &where);
WindowRef temp;
FindWindow(where, &temp);
if (temp == window)
{
Rect bounds;
GetWindowBounds(window, kWindowStructureRgn, &bounds);
where.h -= bounds.left;
where.v -= bounds.top;
SetEventParameter(inEvent, kEventParamWindowRef, typeWindowRef, sizeof(WindowRef), &window);
SetEventParameter(inEvent, kEventParamWindowMouseLocation, typeQDPoint, sizeof(Point), &where);
OSStatus err = noErr;
HIViewRef view = NULL;
err = HIViewGetViewForMouseEvent(HIViewGetRoot(window), inEvent, &view);
if (err == noErr && view && HIObjectIsOfClass((HIObjectRef)view, kHIWebViewClassID))
result = SendEventToEventTargetWithOptions(inEvent, HIObjectGetEventTarget((HIObjectRef)view), kEventTargetDontPropagate);
}
}
break;
case kEventMouseUp:
case kEventMouseDragged:
case kEventMouseWheelMoved:
{
OSStatus err = noErr;
HIViewRef view = NULL;
err = HIViewGetViewForMouseEvent(HIViewGetRoot(window), inEvent, &view);
if (err == noErr && view && HIObjectIsOfClass((HIObjectRef)view, kHIWebViewClassID))
result = SendEventToEventTargetWithOptions(inEvent, HIObjectGetEventTarget((HIObjectRef)view), kEventTargetDontPropagate);
}
break;
}
break;
}
return result;
}
//----------------------------------------------------------------------------------
// SyncFrame
//----------------------------------------------------------------------------------
//
static void
SyncFrame( HIWebView* inView )
{
HIViewRef parent = HIViewGetSuperview( inView->fViewRef );
if ( parent )
{
if ( inView->fIsComposited )
{
HIRect frame;
HIRect parentBounds;
NSPoint origin;
HIViewGetFrame( inView->fViewRef, &frame );
HIViewGetBounds( parent, &parentBounds );
origin.x = frame.origin.x;
origin.y = parentBounds.size.height - CGRectGetMaxY( frame );
// printf( "syncing to (%g %g) (%g %g)\n", origin.x, origin.y,
// frame.size.width, frame.size.height );
[inView->fWebView setFrameOrigin: origin];
[inView->fWebView setFrameSize: *(NSSize*)&frame.size];
}
else
{
GrafPtr port = GetWindowPort( GetControlOwner( inView->fViewRef ) );
PixMapHandle portPix = GetPortPixMap( port );
Rect bounds;
HIRect rootFrame;
HIRect frame;
GetControlBounds( inView->fViewRef, &bounds );
OffsetRect( &bounds, -(**portPix).bounds.left, -(**portPix).bounds.top );
// printf( "control lives at %d %d %d %d in window-coords\n", bounds.top, bounds.left,
// bounds.bottom, bounds.right );
HIViewGetFrame( HIViewGetRoot( GetControlOwner( inView->fViewRef ) ), &rootFrame );
frame.origin.x = bounds.left;
frame.origin.y = rootFrame.size.height - bounds.bottom;
frame.size.width = bounds.right - bounds.left;
frame.size.height = bounds.bottom - bounds.top;
// printf( " before frame convert (%g %g) (%g %g)\n", frame.origin.x, frame.origin.y,
// frame.size.width, frame.size.height );
[inView->fWebView convertRect:*(NSRect*)&frame fromView:nil];
// printf( " moving web view to (%g %g) (%g %g)\n", frame.origin.x, frame.origin.y,
// frame.size.width, frame.size.height );
[inView->fWebView setFrameOrigin: *(NSPoint*)&frame.origin];
[inView->fWebView setFrameSize: *(NSSize*)&frame.size];
}
}
}
//----------------------------------------------------------------------------------
// SetFocusPart
//----------------------------------------------------------------------------------
//
static OSStatus
SetFocusPart(
HIWebView* view,
ControlPartCode desiredFocus,
RgnHandle invalidRgn,
Boolean focusEverything,
ControlPartCode* actualFocus )
{
NSView * freshlyMadeFirstResponderView;
SInt32 partCodeToReturn;
// Do what Carbon is telling us to do.
if ( desiredFocus == kControlFocusNoPart )
{
// Relinquish the keyboard focus.
RelinquishFocus( view, true ); //(autodisplay ? YES : NO));
freshlyMadeFirstResponderView = nil;
partCodeToReturn = kControlFocusNoPart;
//NSLog(@"Relinquished the key focus because we have no choice.");
}
else if ( desiredFocus == kControlFocusNextPart || desiredFocus == kControlFocusPrevPart )
{
BOOL goForward = (desiredFocus == kControlFocusNextPart );
// Advance the keyboard focus, maybe right off of this view. Maybe a subview of this one already has the keyboard focus, maybe not.
freshlyMadeFirstResponderView = AdvanceFocus( view, goForward );
if (freshlyMadeFirstResponderView)
partCodeToReturn = desiredFocus;
else
partCodeToReturn = kControlFocusNoPart;
//NSLog(freshlyMadeFirstResponderView ? @"Advanced the key focus." : @"Relinquished the key focus.");
}
else
{
// What's this?
if (desiredFocus != kControlIndicatorPart) {
check(false);
}
freshlyMadeFirstResponderView = nil;
partCodeToReturn = desiredFocus;
}
view->fFirstResponder = freshlyMadeFirstResponderView;
*actualFocus = partCodeToReturn;
// Done.
return noErr;
}
//----------------------------------------------------------------------------------
// AdvanceFocus
//----------------------------------------------------------------------------------
//
static NSView*
AdvanceFocus( HIWebView* view, bool forward )
{
NSResponder* oldFirstResponder;
NSView* currentKeyView;
NSView* viewWeMadeFirstResponder;
// Focus on some part (subview) of this control (view). Maybe
// a subview of this one already has the keyboard focus, maybe not.
oldFirstResponder = [view->fKitWindow firstResponder];
// If we tab out of our NSView, it will no longer be the responder
// when we get here. We'll try this trick for now. We might need to
// tag the view appropriately.
if ( view->fFirstResponder && ( (NSResponder*)view->fFirstResponder != oldFirstResponder ) )
{
return NULL;
}
if ( [oldFirstResponder isKindOfClass:[NSView class]] )
{
NSView* tentativeNewKeyView;
// Some view in this window already has the keyboard focus. It better at least be a subview of this one.
NSView* oldFirstResponderView = (NSView *)oldFirstResponder;
check( [oldFirstResponderView isDescendantOf:view->fWebView] );
if ( oldFirstResponderView != view->fFirstResponder
&& ![oldFirstResponderView isDescendantOf:view->fFirstResponder] )
{
// Despite our efforts to record what view we made the first responder
// (for use in the next paragraph) we couldn't keep up because the user
// has clicked in a text field to make it the key focus, instead of using
// the tab key. Find a control on which it's reasonable to invoke
// -[NSView nextValidKeyView], taking into account the fact that
// NSTextFields always pass on first-respondership to a temporarily-
// contained NSTextView.
NSView *viewBeingTested;
currentKeyView = oldFirstResponderView;
viewBeingTested = currentKeyView;
while ( viewBeingTested != view->fWebView )
{
if ( [viewBeingTested isKindOfClass:[NSTextField class]] )
{
currentKeyView = viewBeingTested;
break;
}
else
{
viewBeingTested = [viewBeingTested superview];
}
}
}
else
{
// We recorded which view we made into the first responder the
// last time the user hit the tab key, and nothing has invalidated
// our recorded value since.
currentKeyView = view->fFirstResponder;
}
// Try to move on to the next or previous key view. We use the laboriously
// recorded/figured currentKeyView instead of just oldFirstResponder as the
// jumping-off-point when searching for the next valid key view. This is so
// we don't get fooled if we recently made some view the first responder, but
// it passed on first-responder-ness to some temporary subview.
// You can't put normal views in a window with Carbon-control-wrapped views.
// Stuff like this would break. M.P. Notice - 12/2/00
tentativeNewKeyView = forward ? [currentKeyView nextValidKeyView] : [currentKeyView previousValidKeyView];
if ( tentativeNewKeyView && [tentativeNewKeyView isDescendantOf:view->fWebView] )
{
// The user has tabbed to another subview of this control view. Change the keyboard focus.
//NSLog(@"Tabbed to the next or previous key view.");
[view->fKitWindow makeFirstResponder:tentativeNewKeyView];
viewWeMadeFirstResponder = tentativeNewKeyView;
}
else
{
// The user has tabbed past the subviews of this control view. The window is the first responder now.
//NSLog(@"Tabbed past the first or last key view.");
[view->fKitWindow makeFirstResponder:view->fKitWindow];
viewWeMadeFirstResponder = nil;
}
}
else
{
// No view in this window has the keyboard focus. This view should
// try to select one of its key subviews. We're not interested in
// the subviews of sibling views here.
//NSLog(@"No keyboard focus in window. Attempting to set...");
NSView *tentativeNewKeyView;
check(oldFirstResponder==fKitWindow);
if ( [view->fWebView acceptsFirstResponder] )
tentativeNewKeyView = view->fWebView;
else
tentativeNewKeyView = [view->fWebView nextValidKeyView];
if ( tentativeNewKeyView && [tentativeNewKeyView isDescendantOf:view->fWebView] )
{
// This control view has at least one subview that can take the keyboard focus.
if ( !forward )
{
// The user has tabbed into this control view backwards. Find
// and select the last subview of this one that can take the
// keyboard focus. Watch out for loops of valid key views.
NSView *firstTentativeNewKeyView = tentativeNewKeyView;
NSView *nextTentativeNewKeyView = [tentativeNewKeyView nextValidKeyView];
while ( nextTentativeNewKeyView
&& [nextTentativeNewKeyView isDescendantOf:view->fWebView]
&& nextTentativeNewKeyView!=firstTentativeNewKeyView)
{
tentativeNewKeyView = nextTentativeNewKeyView;
nextTentativeNewKeyView = [tentativeNewKeyView nextValidKeyView];
}
}
// Set the keyboard focus.
//NSLog(@"Tabbed into the first or last key view.");
[view->fKitWindow makeFirstResponder:tentativeNewKeyView];
viewWeMadeFirstResponder = tentativeNewKeyView;
}
else
{
// This control view has no subviews that can take the keyboard focus.
//NSLog(@"Can't tab into this view.");
viewWeMadeFirstResponder = nil;
}
}
// Done.
return viewWeMadeFirstResponder;
}
//----------------------------------------------------------------------------------
// RelinquishFocus
//----------------------------------------------------------------------------------
//
static void
RelinquishFocus( HIWebView* view, bool inAutodisplay )
{
NSResponder* firstResponder;
// Apparently Carbon thinks that some subview of this control view has the keyboard focus,
// or we wouldn't be being asked to relinquish focus.
firstResponder = [view->fKitWindow firstResponder];
if ( [firstResponder isKindOfClass:[NSView class]] )
{
// Some subview of this control view really is the first responder right now.
check( [(NSView *)firstResponder isDescendantOf:view->fWebView] );
// Make the window the first responder, so that no view is the key view.
[view->fKitWindow makeFirstResponder:view->fKitWindow];
// If this control is not allowed to do autodisplay, don't let
// it autodisplay any just-changed focus rings or text on the
// next go around the event loop. I'm probably clearing more
// dirty rects than I have to, but it doesn't seem to hurt in
// the print panel accessory view case, and I don't have time
// to figure out exactly what -[NSCell _setKeyboardFocusRingNeedsDisplay]
// is doing when invoked indirectly from -makeFirstResponder up above. M.P. Notice - 12/4/00
if ( !inAutodisplay )
[[view->fWebView opaqueAncestor] _clearDirtyRectsForTree];
}
else
{
// The Cocoa first responder does not correspond to the Carbon
// control that has the keyboard focus. This can happen when
// you've closed a dialog by hitting return in an NSTextView
// that's a subview of this one; Cocoa closed the window, and
// now Carbon is telling this control to relinquish the focus
// as it's being disposed. There's nothing to do.
check(firstResponder==window);
}
}
//----------------------------------------------------------------------------------
// ActiveStateChanged
//----------------------------------------------------------------------------------
//
static void
ActiveStateChanged( HIWebView* view )
{
if ( [view->fWebView respondsToSelector:@selector(setEnabled)] )
{
[(NSControl*)view->fWebView setEnabled: IsControlEnabled( view->fViewRef )];
HIViewSetNeedsDisplay( view->fViewRef, true );
}
}
//----------------------------------------------------------------------------------
// ProcessCommand
//----------------------------------------------------------------------------------
//
static OSStatus
ProcessCommand( HIWebView* inView, const HICommand* inCommand )
{
OSStatus result = eventNotHandledErr;
NSResponder* resp;
resp = [inView->fKitWindow firstResponder];
if ( [resp isKindOfClass:[NSView class]] )
{
NSView* respView = (NSView*)resp;
if ( respView == inView->fWebView
|| [respView isDescendantOf: inView->fWebView] )
{
switch ( inCommand->commandID )
{
case kHICommandCut:
case kHICommandCopy:
case kHICommandPaste:
case kHICommandClear:
case kHICommandSelectAll:
{
SEL selector = _NSSelectorForHICommand( inCommand );
if ( [respView respondsToSelector:selector] )
{
[respView performSelector:selector withObject:nil];
result = noErr;
}
}
break;
}
}
}
return result;
}
//----------------------------------------------------------------------------------
// UpdateCommandStatus
//----------------------------------------------------------------------------------
//
static OSStatus
UpdateCommandStatus( HIWebView* inView, const HICommand* inCommand )
{
OSStatus result = eventNotHandledErr;
MenuItemProxy* proxy = NULL;
NSResponder* resp;
resp = [inView->fKitWindow firstResponder];
if ( [resp isKindOfClass:[NSView class]] )
{
NSView* respView = (NSView*)resp;
if ( respView == inView->fWebView
|| [respView isDescendantOf: inView->fWebView] )
{
if ( inCommand->attributes & kHICommandFromMenu )
{
SEL selector = _NSSelectorForHICommand( inCommand );
if ( selector )
{
if ( [resp respondsToSelector: selector] )
{
proxy = [[MenuItemProxy alloc] initWithAction: selector];
// Can't use -performSelector:withObject: here because the method we're calling returns BOOL, while
// -performSelector:withObject:'s return value is assumed to be an id.
if (wtfObjcMsgSend<BOOL>(resp, @selector(validateUserInterfaceItem:), proxy))
EnableMenuItem( inCommand->menu.menuRef, inCommand->menu.menuItemIndex );
else
DisableMenuItem( inCommand->menu.menuRef, inCommand->menu.menuItemIndex );
result = noErr;
}
}
}
}
}
if ( proxy )
[proxy release];
return result;
}
// Blatantly stolen from AppKit and cropped a bit
//----------------------------------------------------------------------------------
// _NSSelectorForHICommand
//----------------------------------------------------------------------------------
//
static SEL
_NSSelectorForHICommand( const HICommand* inCommand )
{
switch ( inCommand->commandID )
{
case kHICommandUndo: return @selector(undo:);
case kHICommandRedo: return @selector(redo:);
case kHICommandCut : return @selector(cut:);
case kHICommandCopy : return @selector(copy:);
case kHICommandPaste: return @selector(paste:);
case kHICommandClear: return @selector(delete:);
case kHICommandSelectAll: return @selector(selectAll:);
default: return NULL;
}
return NULL;
}
//-----------------------------------------------------------------------------------
// HIWebViewEventHandler
//-----------------------------------------------------------------------------------
// Our object's virtual event handler method. I'm not sure if we need this these days.
// We used to do various things with it, but those days are long gone...
//
static OSStatus
HIWebViewEventHandler(
EventHandlerCallRef inCallRef,
EventRef inEvent,
void * inUserData )
{
OSStatus result = eventNotHandledErr;
HIPoint where;
OSType tag;
void * ptr;
Size size;
UInt32 features;
RgnHandle region = NULL;
ControlPartCode part;
HIWebView* view = (HIWebView*)inUserData;
// [NSApp setWindowsNeedUpdate:YES] must be called before events so that ActivateTSMDocument is called to set an active document.
// Without an active document, TSM will use a default document which uses a bottom-line input window which we don't want.
[NSApp setWindowsNeedUpdate:YES];
switch ( GetEventClass( inEvent ) )
{
case kEventClassHIObject:
switch ( GetEventKind( inEvent ) )
{
case kEventHIObjectConstruct:
{
HIObjectRef object;
result = GetEventParameter( inEvent, kEventParamHIObjectInstance,
typeHIObjectRef, NULL, sizeof( HIObjectRef ), NULL, &object );
require_noerr( result, MissingParameter );
// on entry for our construct event, we're passed the
// creation proc we registered with for this class.
// we use it now to create the instance, and then we
// replace the instance parameter data with said instance
// as type void.
view = HIWebViewConstructor( (HIViewRef)object );
if ( view )
{
SetEventParameter( inEvent, kEventParamHIObjectInstance,
typeVoidPtr, sizeof( void * ), &view );
}
}
break;
case kEventHIObjectDestruct:
HIWebViewDestructor( view );
// result is unimportant
break;
}
break;
case kEventClassKeyboard:
{
NSEvent* kitEvent = WKCreateNSEventWithCarbonEvent(inEvent);
[view->fKitWindow sendSuperEvent:kitEvent];
[kitEvent release];
result = noErr;
}
break;
case kEventClassMouse:
switch ( GetEventKind( inEvent ) )
{
case kEventMouseUp:
result = MouseUp( view, inEvent );
break;
case kEventMouseWheelMoved:
result = MouseWheelMoved( view, inEvent );
break;
case kEventMouseMoved:
result = MouseMoved( view, inEvent );
break;
case kEventMouseDragged:
result = MouseDragged( view, inEvent );
break;
}
break;
case kEventClassCommand:
{
HICommand command;
result = GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL,
sizeof( HICommand ), NULL, &command );
require_noerr( result, MissingParameter );
switch ( GetEventKind( inEvent ) )
{
case kEventCommandProcess:
result = ProcessCommand( view, &command );
break;
case kEventCommandUpdateStatus:
result = UpdateCommandStatus( view, &command );
break;
}
}
break;
case kEventClassControl:
switch ( GetEventKind( inEvent ) )
{
case kEventControlInitialize:
features = GetBehaviors();
SetEventParameter( inEvent, kEventParamControlFeatures, typeUInt32,
sizeof( UInt32 ), &features );
result = noErr;
break;
case kEventControlDraw:
{
CGContextRef context = NULL;
GetEventParameter( inEvent, kEventParamRgnHandle, typeQDRgnHandle, NULL,
sizeof( RgnHandle ), NULL, ®ion );
GetEventParameter( inEvent, kEventParamCGContextRef, typeCGContextRef, NULL,
sizeof( CGContextRef ), NULL, &context );
Draw( view, region, context );
result = noErr;
}
break;
case kEventControlHitTest:
GetEventParameter( inEvent, kEventParamMouseLocation, typeHIPoint, NULL,
sizeof( HIPoint ), NULL, &where );
part = HitTest( view, &where );
SetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode, sizeof( ControlPartCode ), &part );
result = noErr;
break;
case kEventControlGetPartRegion:
GetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode, NULL,
sizeof( ControlPartCode ), NULL, &part );
GetEventParameter( inEvent, kEventParamControlRegion, typeQDRgnHandle, NULL,
sizeof( RgnHandle ), NULL, ®ion );
result = GetRegion( view, part, region );
break;
case kEventControlGetData:
GetEventParameter(inEvent, kEventParamControlPart, typeControlPartCode, NULL, sizeof(ControlPartCode), NULL, &part);
GetEventParameter(inEvent, kEventParamControlDataTag, typeEnumeration, NULL, sizeof(OSType), NULL, &tag);
GetEventParameter(inEvent, kEventParamControlDataBuffer, typePtr, NULL, sizeof(Ptr), NULL, &ptr);
GetEventParameter(inEvent, kEventParamControlDataBufferSize, typeByteCount, NULL, sizeof(Size), NULL, &size);
if (tag == kControlKindTag) {
Size outSize;
result = noErr;
if (ptr) {
if (size != sizeof(ControlKind))
result = errDataSizeMismatch;
else
(*(ControlKind *)ptr) = GetKind();
}
outSize = sizeof(ControlKind);
SetEventParameter(inEvent, kEventParamControlDataBufferSize, typeByteCount, sizeof(Size), &outSize);
}
break;
case kEventControlBoundsChanged:
{
HIRect prevRect, currRect;
UInt32 attrs;
GetEventParameter( inEvent, kEventParamAttributes, typeUInt32, NULL,
sizeof( UInt32 ), NULL, &attrs );
GetEventParameter( inEvent, kEventParamOriginalBounds, typeHIRect, NULL,
sizeof( HIRect ), NULL, &prevRect );
GetEventParameter( inEvent, kEventParamCurrentBounds, typeHIRect, NULL,
sizeof( HIRect ), NULL, &currRect );
BoundsChanged( view, attrs, &prevRect, &currRect );
result = noErr;
}
break;
case kEventControlActivate:
ActiveStateChanged( view );
result = noErr;
break;
case kEventControlDeactivate:
ActiveStateChanged( view );
result = noErr;
break;
case kEventControlOwningWindowChanged:
{
WindowRef fromWindow, toWindow;
result = GetEventParameter( inEvent, kEventParamControlOriginalOwningWindow, typeWindowRef, NULL,
sizeof( WindowRef ), NULL, &fromWindow );
require_noerr( result, MissingParameter );
result = GetEventParameter( inEvent, kEventParamControlCurrentOwningWindow, typeWindowRef, NULL,
sizeof( WindowRef ), NULL, &toWindow );
require_noerr( result, MissingParameter );
OwningWindowChanged( view, fromWindow, toWindow );
result = noErr;
}
break;
case kEventControlClick:
result = Click( view, inEvent );
break;
case kEventControlContextualMenuClick:
result = ContextMenuClick( view, inEvent );
break;
case kEventControlSetFocusPart:
{
ControlPartCode desiredFocus;
RgnHandle invalidRgn;
Boolean focusEverything;
ControlPartCode actualFocus;
result = GetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode, NULL,
sizeof( ControlPartCode ), NULL, &desiredFocus );
require_noerr( result, MissingParameter );
GetEventParameter( inEvent, kEventParamControlInvalRgn, typeQDRgnHandle, NULL,
sizeof( RgnHandle ), NULL, &invalidRgn );
focusEverything = false; // a good default in case the parameter doesn't exist
GetEventParameter( inEvent, kEventParamControlFocusEverything, typeBoolean, NULL,
sizeof( Boolean ), NULL, &focusEverything );
result = SetFocusPart( view, desiredFocus, invalidRgn, focusEverything, &actualFocus );
if ( result == noErr )
verify_noerr( SetEventParameter( inEvent, kEventParamControlPart, typeControlPartCode,
sizeof( ControlPartCode ), &actualFocus ) );
}
break;
// some other kind of Control event
default:
break;
}
break;
// some other event class
default:
break;
}
MissingParameter:
return result;
}
static void UpdateObserver(CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info);
static void
StartUpdateObserver( HIWebView* view )
{
CFRunLoopObserverContext context;
CFRunLoopObserverRef observer;
CFRunLoopRef mainRunLoop;
check( view->fIsComposited == false );
check( view->fUpdateObserver == NULL );
context.version = 0;
context.info = view;
context.retain = NULL;
context.release = NULL;
context.copyDescription = NULL;
mainRunLoop = (CFRunLoopRef)GetCFRunLoopFromEventLoop( GetMainEventLoop() );
observer = CFRunLoopObserverCreate( NULL, kCFRunLoopEntry | kCFRunLoopBeforeWaiting, true, 0, UpdateObserver, &context );
CFRunLoopAddObserver( mainRunLoop, observer, kCFRunLoopCommonModes );
view->fUpdateObserver = observer;
// printf( "Update observer started\n" );
}
static void
StopUpdateObserver( HIWebView* view )
{
check( view->fIsComposited == false );
check( view->fUpdateObserver != NULL );
CFRunLoopObserverInvalidate( view->fUpdateObserver );
CFRelease( view->fUpdateObserver );
view->fUpdateObserver = NULL;
// printf( "Update observer removed\n" );
}
static void
UpdateObserver( CFRunLoopObserverRef observer, CFRunLoopActivity activity, void *info )
{
HIWebView* view = (HIWebView*)info;
RgnHandle region = NewRgn();
// printf( "Update observer called\n" );
if ( region )
{
GetWindowRegion( GetControlOwner( view->fViewRef ), kWindowUpdateRgn, region );
if ( !EmptyRgn( region ) )
{
RgnHandle ourRgn = NewRgn();
Rect rect;
GetWindowBounds( GetControlOwner( view->fViewRef ), kWindowStructureRgn, &rect );
// printf( "Update region is non-empty\n" );
if ( ourRgn )
{
Rect rect;
GrafPtr savePort, port;
Point offset = { 0, 0 };
port = GetWindowPort( GetControlOwner( view->fViewRef ) );
GetPort( &savePort );
SetPort( port );
GlobalToLocal( &offset );
OffsetRgn( region, offset.h, offset.v );
GetControlBounds( view->fViewRef, &rect );
RectRgn( ourRgn, &rect );
// printf( "our control is at %d %d %d %d\n",
// rect.top, rect.left, rect.bottom, rect.right );
GetRegionBounds( region, &rect );
// printf( "region is at %d %d %d %d\n",
// rect.top, rect.left, rect.bottom, rect.right );
SectRgn( ourRgn, region, ourRgn );
GetRegionBounds( ourRgn, &rect );
// printf( "intersection is %d %d %d %d\n",
// rect.top, rect.left, rect.bottom, rect.right );
if ( !EmptyRgn( ourRgn ) )
{
RgnHandle saveVis = NewRgn();
// printf( "looks like we should draw\n" );
if ( saveVis )
{
// RGBColor kRedColor = { 0xffff, 0, 0 };
GetPortVisibleRegion( GetWindowPort( GetControlOwner( view->fViewRef ) ), saveVis );
SetPortVisibleRegion( GetWindowPort( GetControlOwner( view->fViewRef ) ), ourRgn );
// RGBForeColor( &kRedColor );
// PaintRgn( ourRgn );
// QDFlushPortBuffer( port, NULL );
// Delay( 15, NULL );
Draw1Control( view->fViewRef );
ValidWindowRgn( GetControlOwner( view->fViewRef ), ourRgn );
SetPortVisibleRegion( GetWindowPort( GetControlOwner( view->fViewRef ) ), saveVis );
DisposeRgn( saveVis );
}
}
SetPort( savePort );
DisposeRgn( ourRgn );
}
}
DisposeRgn( region );
}
}
#endif
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