carbonwindowadapter.mm

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- (void)encodeWithCoder:(NSCoder *)coder {

    // Actually, this will probably never be implemented.  M.P. Notice - 8/2/00
    NSLog(@"-[NSCarbonWindow encodeWithCoder:] is not implemented.");

}


// There's no override of frame, despite the fact that NSWindow's returns _frame, because _frame is one of the instance variables whose value we're keeping synchronized with the Carbon window.


// Do the right thing for a Carbon window.
- (id)initWithCoder:(NSCoder *)coder {

    // Actually, this will probably never be implemented.  M.P. Notice - 8/2/00
    NSLog(@"-[NSCarbonWindow initWithCoder:] is not implemented.");
    [self release];
    return nil;

}


// There's no override of level, despite the fact that NSWindow's returns _level, because _level is one of the instance variables whose value we're keeping synchronized with the Carbon window.


// There's no override of miniaturize:, despite the fact that NSWindow's invokes [self windowNumber], because it looks like it might work on Carbon windows as is.


// There's no override of resizeToScreenWithEvent:, despite the fact that NSWindow's operates on _windowNum.
// It looks like it's only called when an _NSForceResizeEventType event is passed into -[NSWindow sendEvent:], and I can't find any instances of that happening.

/*
// Do the right thing for a Carbon Window.
- (void)sendEvent:(NSEvent *)theEvent {

    // Not all events are handled in the same manner.
    NSEventType eventType = [theEvent type];
    if (eventType==NSAppKitDefined) {

        // Handle the event the Cocoa way.  Carbon won't understand it anyway.
        [super sendEvent:theEvent];

    } 
}
*/

// There's no override of setAcceptsMouseMovedEvents:, despite the fact that NSWindow's invokes [self windowNumber], because it looks like it might work on Carbon windows as is.


// There's no override of setBackingType:, despite the fact that NSWindow's invokes [self windowNumber], because it's apparently not expected to do anything anyway, judging from the current implementation of PSsetwindowtype().


// Do what NSWindow would do, but for a Carbon window.
- (void)setContentView:(NSView *)aView {

    NSRect contentFrameRect;
    OSStatus osStatus;
    Rect windowContentBoundsRect;
    
    // Precondition check.
    assert(_borderView);
    assert([_borderView isKindOfClass:[CarbonWindowFrame class]]);
    assert(_windowRef);

    // Parameter check.
    assert(aView);
    assert([aView isKindOfClass:[CarbonWindowContentView class]]);

    // Find out the window's Carbon window structure region (content) bounds.
    osStatus = GetWindowBounds(_windowRef, kWindowContentRgn, &windowContentBoundsRect);
    if (osStatus!=noErr) NSLog(@"A Carbon window's content bounds couldn't be gotten.");
    contentFrameRect.origin = NSZeroPoint;
    contentFrameRect.size.width = windowContentBoundsRect.right - windowContentBoundsRect.left;
    contentFrameRect.size.height = windowContentBoundsRect.bottom - windowContentBoundsRect.top;

    // If the content view is still in some other view hierarchy, pry it free.
    [_contentView removeFromSuperview];
    assert(![_contentView superview]);

    // Record the content view, and size it to this window's content frame.
    _contentView = aView;
    [_contentView setFrame:contentFrameRect];

    // Make the content view a subview of the border view.
    [_borderView addSubview:_contentView];

    // Tell the content view it's new place in the responder chain.
    [_contentView setNextResponder:self];

}


// There's no override of setDepthLimit:, despite the fact that NSWindow's invokes [self windowNumber], because it looks like it might work on Carbon windows as is.


- (BOOL)worksWhenModal {
    WindowClass windowClass = [self _carbonWindowClass];
    return (windowClass == kFloatingWindowClass || windowClass == kUtilityWindowClass);
}

- (void)_setModalWindowLevel {
    return;
}

- _clearModalWindowLevel {
    return nil;
}

// There's no override of setLevel:, despite the fact that NSWindow's invokes [self windowNumber], because it looks like it might work on Carbon windows as is.
// I thought at first that there should be a mapping between Cocoa level and Carbon window class, but experiments convince me that such is not the case.  M.P. Notice - 9/18/00


// There's no override of windowNumber, despite the fact that NSWindow's returns _windowNum, because _windowNum is one of the instance variables whose value we're keeping synchronized with the Carbon window.


- (UInt32)carbonHICommandIDFromActionSelector:(SEL)inActionSelector {

    // Initialize with the default return value.
    UInt32 hiCommandID = 0;

    // Pretty simple, if tedious.
    if (inActionSelector==@selector(clear:)) hiCommandID = kHICommandClear;
    else if (inActionSelector==@selector(copy:)) hiCommandID = kHICommandCopy;
    else if (inActionSelector==@selector(cut:)) hiCommandID = kHICommandCut;
    else if (inActionSelector==@selector(paste:)) hiCommandID = kHICommandPaste;
    else if (inActionSelector==@selector(redo:)) hiCommandID = kHICommandRedo;
    else if (inActionSelector==@selector(selectAll:)) hiCommandID = kHICommandSelectAll;
    else if (inActionSelector==@selector(undo:)) hiCommandID = kHICommandUndo;

    // Done.
    return hiCommandID;

}


- (void)sendCarbonProcessHICommandEvent:(UInt32)inHICommandID {

    EventTargetRef eventTargetRef;
    HICommand hiCommand;
    OSStatus osStatus;

    // Initialize for safe error handling.
    EventRef eventRef = NULL;

    // Create a Process Command event.  Don't mention anything about the menu item, because we don't want the Carbon Event handler fiddling with it.
    hiCommand.attributes = 0;
    hiCommand.commandID = inHICommandID;
    hiCommand.menu.menuRef = 0;
    hiCommand.menu.menuItemIndex = 0;
    osStatus = CreateEvent(NULL, kEventClassCommand, kEventCommandProcess, GetCurrentEventTime(), kEventAttributeNone, &eventRef);
    if (osStatus!=noErr) {
        NSLog(@"CreateEvent() returned %i.", (int)osStatus);
        goto CleanUp;  
    }
    osStatus = SetEventParameter(eventRef, kEventParamDirectObject, typeHICommand, sizeof(HICommand), &hiCommand);
    if (osStatus!=noErr) {
        NSLog(@"SetEventParameter() returned %i.", (int)osStatus);
        goto CleanUp;
    }

    // Send a Carbon event to whatever has the Carbon user focus.
    eventTargetRef = GetUserFocusEventTarget();
    osStatus = SendEventToEventTarget(eventRef, eventTargetRef);
    if (osStatus!=noErr) {
        NSLog(@"SendEventToEventTarget() returned %i.", (int)osStatus);
        goto CleanUp;
    }

CleanUp:

    // Clean up.
    if (eventRef) ReleaseEvent(eventRef);

}


- (Boolean)sendCarbonUpdateHICommandStatusEvent:(UInt32)inHICommandID withMenuRef:(MenuRef)inMenuRef andMenuItemIndex:(UInt16)inMenuItemIndex {

    EventTargetRef eventTargetRef;
    HICommand hiCommand;
    OSStatus osStatus;

    // Initialize for safe error handling and flag returning.
    Boolean eventWasHandled = FALSE;
    EventRef eventRef = NULL;

    // Create a Process Command event.  Don't mention anything about the menu item, because we don't want the Carbon Event handler fiddling with it.
    hiCommand.attributes = kHICommandFromMenu;
    hiCommand.commandID = inHICommandID;
    hiCommand.menu.menuRef = inMenuRef;
    hiCommand.menu.menuItemIndex = inMenuItemIndex;
    osStatus = CreateEvent(NULL, kEventClassCommand, kEventCommandUpdateStatus, GetCurrentEventTime(), kEventAttributeNone, &eventRef);
    if (osStatus!=noErr) {
        NSLog(@"CreateEvent() returned %i.", (int)osStatus);
        goto CleanUp;
    }
    osStatus = SetEventParameter(eventRef, kEventParamDirectObject, typeHICommand, sizeof(HICommand), &hiCommand);
    if (osStatus!=noErr) {
        NSLog(@"SetEventParameter() returned %i.", (int)osStatus);
        goto CleanUp;
    }

    // Send a Carbon event to whatever has the Carbon user focus.
    eventTargetRef = GetUserFocusEventTarget();
    osStatus = SendEventToEventTarget(eventRef, eventTargetRef);
    if (osStatus==noErr) {
        eventWasHandled = TRUE;
    } else if (osStatus!=eventNotHandledErr) {
        NSLog(@"SendEventToEventTarget() returned %i.", (int)osStatus);
        goto CleanUp;
    }

CleanUp:

    // Clean up.
    if (eventRef) ReleaseEvent(eventRef);

    // Done.
    return eventWasHandled;

}

- (void)_handleRootBoundsChanged
{
	HIViewRef	root = HIViewGetRoot( _windowRef ); 
	HIRect		frame;

	HIViewGetFrame( root, &frame );
	[_borderView setFrameSize:*(NSSize*)&frame.size];
}

- (void)_handleContentBoundsChanged
{
	HIViewRef	root, contentView; 
	HIRect		rootBounds, contentFrame;
	NSRect		oldContentFrameRect;

	root = HIViewGetRoot( _windowRef );
	HIViewFindByID( root, kHIViewWindowContentID, &contentView );
	HIViewGetFrame( contentView, &contentFrame );
	HIViewGetBounds( root, &rootBounds );
	
    // Set the content view's frame rect from the Carbon window's content region bounds.
    contentFrame.origin.y = rootBounds.size.height - CGRectGetMaxY( contentFrame );

    oldContentFrameRect = [_contentView frame];
    if ( !NSEqualRects( *(NSRect*)&contentFrame, oldContentFrameRect ) ) {
        [_contentView setFrame:*(NSRect*)&contentFrame];
    }
}

- (OSStatus)_handleCarbonEvent:(EventRef)inEvent callRef:(EventHandlerCallRef)inCallRef {
    OSStatus result = eventNotHandledErr;
    
    switch ( GetEventClass( inEvent ) )
    {
		case kEventClassControl:
			{
				ControlRef		control;
				
				check( GetEventKind( inEvent ) == kEventControlBoundsChanged );
				
				GetEventParameter( inEvent, kEventParamDirectObject, typeControlRef, NULL,
						sizeof( ControlRef ), NULL, &control );
				
				if ( control == HIViewGetRoot( _windowRef ) )
					[self _handleRootBoundsChanged];
				else
					[self _handleContentBoundsChanged];
			}
			break;
			
    	case kEventClassWindow:
    		switch ( GetEventKind( inEvent ) )
    		{
    			case kEventWindowShown:
					[self _setVisible:YES];
    				break;
    			
    			case kEventWindowHidden:
					[self _setVisible:NO];
    				break;
    			
    			case kEventWindowActivated:
					[self makeKeyWindow];
					break;
				
    			case kEventWindowDeactivated:
					[self resignKeyWindow];
					break;
				
				case kEventWindowBoundsChanged:
					[self reconcileToCarbonWindowBounds];
					break;
			}
    		break;
   	}
   	
    return result;
}

// Handle various events that Carbon is sending to our window.
static OSStatus NSCarbonWindowHandleEvent(EventHandlerCallRef inEventHandlerCallRef, EventRef inEventRef, void *inUserData) {

    // default action is to send event to next handler.  We modify osStatus as necessary where we don't want this behavior
    OSStatus osStatus = eventNotHandledErr;

    // We do different things for different event types.
    CarbonWindowAdapter *carbonWindow = (CarbonWindowAdapter *)inUserData;

	osStatus = [carbonWindow _handleCarbonEvent: inEventRef callRef: inEventHandlerCallRef];
	
    // Done.  If we want to propagate the event, we return eventNotHandledErr to send it to the next handler
    return osStatus;
    
}

// [3364117] We need to make sure this does not fall through to the AppKit implementation! bad things happen.
- (void)_reallyDoOrderWindow:(NSWindowOrderingMode)place relativeTo:(int)otherWin findKey:(BOOL)doKeyCalc forCounter:(BOOL)isACounter force:(BOOL)doForce isModal:(BOOL)isModal {
}

- (NSRect) _growBoxRect
{
      WindowAttributes                attrs;
      NSRect                                  retRect = NSZeroRect;

      GetWindowAttributes( _windowRef, &attrs );

      if ( attrs & kWindowResizableAttribute )
      {
              HIRect          bounds, rect;
              HIViewRef   view;

              HIViewGetBounds( HIViewGetRoot( _windowRef ), &bounds );
              HIViewFindByID( HIViewGetRoot( _windowRef ), kHIViewWindowGrowBoxID, &view );
              HIViewGetFrame( view, &rect );

              rect.origin.y = bounds.size.height - CGRectGetMaxY( rect ) - 1;
              rect.origin.x++;

              retRect = *(NSRect*)▭
      }

      return retRect;
}

@end // implementation CarbonWindowAdapter

#endif