void wxModalEventLoop::DoRun()
{
wxWindowDisabler disabler(m_modalWindow);
wxMacAutoreleasePool autoreleasepool;
bool resetGroupParent = false;
WindowGroupRef windowGroup = NULL;
WindowGroupRef formerParentGroup = NULL;
// make sure modal dialogs are in the right layer so that they are not covered
if ( m_modalWindow != NULL )
{
if ( m_modalWindow->GetParent() == NULL )
{
windowGroup = GetWindowGroup(m_modalNativeWindow) ;
if ( windowGroup != GetWindowGroupOfClass( kMovableModalWindowClass ) )
{
formerParentGroup = GetWindowGroupParent( windowGroup );
SetWindowGroupParent( windowGroup, GetWindowGroupOfClass( kMovableModalWindowClass ) );
resetGroupParent = true;
}
}
}
m_modalWindow->SetFocus();
RunAppModalLoopForWindow(m_modalNativeWindow);
if ( resetGroupParent )
{
SetWindowGroupParent( windowGroup , formerParentGroup );
}
}
OSStatus wxOverlayImpl::CreateOverlayWindow()
{
OSStatus err;
WindowAttributes overlayAttributes = kWindowIgnoreClicksAttribute;
if ( m_window )
{
m_overlayParentWindow =(WindowRef) m_window->MacGetTopLevelWindowRef();
Rect bounds ;
MacGetBounds(&bounds);
err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, &m_overlayWindow );
if ( err == noErr )
{
SetWindowGroup( m_overlayWindow, GetWindowGroup(m_overlayParentWindow)); // Put them in the same group so that their window layers are consistent
}
}
else
{
m_overlayParentWindow = NULL ;
CGRect cgbounds ;
cgbounds = CGDisplayBounds(CGMainDisplayID());
Rect bounds;
bounds.top = (short)cgbounds.origin.y;
bounds.left = (short)cgbounds.origin.x;
bounds.bottom = (short)(bounds.top + cgbounds.size.height);
bounds.right = (short)(bounds.left + cgbounds.size.width);
err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, &m_overlayWindow );
}
ShowWindow(m_overlayWindow);
return err;
}
// Creates an overlay window which will move with its parent. This technique is typical for doing things like drawing on top of movies,
// creating selection rectangles, drawing on top of GL windows, etc.
static void CreateOverlayWindow( WindowRef window )
{
OSStatus err;
Rect windowRect;
WindowStorage *windowStorage = (WindowStorage*) GetWRefCon( window );
WindowAttributes overlayAttributes = kWindowNoShadowAttribute | kWindowIgnoreClicksAttribute | kWindowNoActivatesAttribute | kWindowStandardHandlerAttribute;
static EventHandlerUPP overlayWindowEventHandlerUPP;
const EventTypeSpec windowEvents[] =
{
{ kEventClassWindow, kEventWindowBoundsChanged },
{ kEventClassWindow, kEventWindowShown },
{ kEventClassWindow, kEventWindowClose }
};
SetPortWindowPort( window );
GetWindowPortBounds( window, &windowRect );
LocalToGlobalRect( &windowRect ); // Window to be size of window it lies on
err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &windowRect, &windowStorage->overlayWindow );
if ( err != noErr ) goto Bail;
SetWindowGroup( windowStorage->overlayWindow, GetWindowGroup(window) ); // Put them in the same group so that their window layers are consistent
if ( overlayWindowEventHandlerUPP == NULL ) overlayWindowEventHandlerUPP = NewEventHandlerUPP( OverlayWindowEventHandlerProc );
err = InstallWindowEventHandler( windowStorage->overlayWindow, overlayWindowEventHandlerUPP, GetEventTypeCount(windowEvents), windowEvents, windowStorage, NULL );
ShowWindow( windowStorage->overlayWindow );
Bail:
return;
}
void LineTool( WindowRef window )
{
OSStatus err;
Point endPt;
MouseTrackingResult trackingResult;
Point beginPt;
Rect windowRect;
WindowRef overlayWindow;
CGRect cgRect;
CGContextRef cgContext;
Boolean isStillDown = true;
SetThemeCursor( kThemeCrossCursor );
SetPortWindowPort( window );
GetWindowPortBounds( window, &windowRect );
LocalToGlobalRect( &windowRect );
(void) CreateNewWindow( kOverlayWindowClass, kWindowHideOnSuspendAttribute | kWindowIgnoreClicksAttribute, &windowRect, &overlayWindow );
SetPortWindowPort( overlayWindow );
SetWindowGroup( overlayWindow, GetWindowGroup(window) ); // This assures we draw into the same layer as the window
ShowWindow( overlayWindow );
GetMouse( &beginPt );
cgRect = CGRectMake( 0, 0, windowRect.right - windowRect.left+1, windowRect.bottom - windowRect.top+1 );
CreateCGContextForPort( GetWindowPort(overlayWindow), &cgContext );
CGContextSetLineWidth( cgContext, 3 ); // Line is 3 pixels wide
CGContextSetRGBStrokeColor( cgContext, 1.0, .45, .3, .4 ); // Make it orange with alpha = 0.4
SyncCGContextOriginWithPort( cgContext, GetWindowPort(overlayWindow) );
CGContextTranslateCTM( cgContext, 0, windowRect.bottom - windowRect.top ); // Flip & rotate the context to use QD coordinates
CGContextScaleCTM( cgContext, 1.0, -1.0 );
do
{
err = TrackMouseLocation( GetWindowPort(window), &endPt, &trackingResult );
switch ( trackingResult )
{
case kMouseTrackingMouseDragged:
CGContextClearRect( cgContext, cgRect ); // "Erase" the window
#if ( 1 )
CGContextMoveToPoint( cgContext, beginPt.h, beginPt.v ); // Draw the line
CGContextAddLineToPoint( cgContext, endPt.h, endPt.v );
CGContextStrokePath( cgContext );
#else
MoveTo( beginPt.h, beginPt.v ); // We could use QuickDraw and draw opaque lines
LineTo( endPt.h, endPt.v );
#endif
CGContextFlush( cgContext ); // Flush our drawing to the screen
break;
case kMouseTrackingMouseDown:
break;
case kMouseTrackingMouseUp:
case kMouseTrackingUserCancelled:
isStillDown = false;
break;
}
} while( isStillDown == true );
CGContextRelease( cgContext );
DisposeWindow( overlayWindow );
SetThemeCursor( kThemeArrowCursor );
return;
}
static pascal OSStatus SimpleWindowEventHandlerProc( EventHandlerCallRef inCallRef, EventRef inEvent, void* inUserData )
{
#pragma unused ( inCallRef )
HICommand command;
Point pt;
SInt16 value;
Rect r;
WindowGroupRef windowGroup;
WindowGroupAttributes windowGroupAttributes;
UInt32 eventKind = GetEventKind( inEvent );
UInt32 eventClass = GetEventClass( inEvent );
WindowRef window = (WindowRef) inUserData;
OSStatus err = eventNotHandledErr;
WindowStorage *windowStorage = (WindowStorage*) GetWRefCon( window );
switch ( eventClass )
{
case kEventClassWindow:
if ( eventKind == kEventWindowClose ) // Dispose extra window storage here
{
if ( windowStorage->overlayWindow != NULL ) SendWindowCloseEvent( windowStorage->overlayWindow );
DisposePtr( (Ptr) windowStorage );
}
else if ( eventKind == kEventWindowClickContentRgn )
{
if ( GetControlValueByID( window, 'Butn', 0 ) == 1 ) // If the "Line Tool" button is depressed
{
LineTool( window );
SetControlValueByID( window, 'Butn', 0, 0 ); // Pop the button back up
err = noErr;
}
}
else if ( (eventKind == kEventWindowBoundsChanging) || (eventKind == kEventWindowBoundsChanged) )
{
if ( windowStorage->overlayWindow != NULL ) // Resize the overlay window as well
{
(void) GetEventParameter( inEvent, kEventParamCurrentBounds, typeQDRectangle, NULL, sizeof(Rect), NULL, &r );
SizeWindow( windowStorage->overlayWindow, r.right-r.left, r.bottom-r.top, false );
}
}
break;
case kEventClassCommand:
if ( eventKind == kEventCommandProcess )
{
GetEventParameter( inEvent, kEventParamDirectObject, typeHICommand, NULL, sizeof(HICommand), NULL, &command );
if ( command.commandID == kHICommandOK ) // Change the window layering and attributes
{
value = GetControlValueByID( window, 'Rdio', 0 ); // Which group was chosen
windowGroupAttributes = 0; // Now set the attributes for the parent group
if ( GetControlValueByID( window, 'Chek', 0 ) == 1 ) windowGroupAttributes |= kWindowGroupAttrMoveTogether;
ChangeWindowGroupAttributes( g.windowGroups[value-1], windowGroupAttributes, ~windowGroupAttributes );
windowGroupAttributes = kWindowGroupAttrMoveTogether | kWindowGroupAttrLayerTogether | kWindowGroupAttrHideOnCollapse;
err = CreateWindowGroup( windowGroupAttributes, &windowGroup ); // We can only call SetWindowGroupParent() on an empty group, so create a new one
if ( err == noErr ) err = SetWindowGroupParent( windowGroup, g.windowGroups[value-1] ); // Set the new parent
if ( (err == noErr) && (windowStorage->overlayWindow != NULL) )
err = SetWindowGroup( windowStorage->overlayWindow, windowGroup ); // FIRST add the overlay window so that it is on top of the "normal" window
if ( err == noErr )
{
ReleaseWindowGroup( GetWindowGroup(window) ); // Release the old group
err = SetWindowGroup( window, windowGroup ); // Add the window to the new group
}
}
else if ( command.commandID == 'GAtr' ) // Get the window attributes
{
windowGroup = GetWindowGroupParent( GetWindowGroup(window) );
GetWindowGroupAttributes( windowGroup, &windowGroupAttributes );
SetControlValueByID( window, 'Chek', 0, ((windowGroupAttributes & kWindowGroupAttrMoveTogether) != 0) );
if ( windowGroup == g.windowGroups[0] ) SetControlValueByID( window, 'Rdio', 0, 1 );
else if ( windowGroup == g.windowGroups[1] ) SetControlValueByID( window, 'Rdio', 0, 2 );
else SetControlValueByID( window, 'Rdio', 0, 3 );
}
else if ( command.commandID == 'Poof' )
{
SetPortWindowPort( window );
GetMouse( &pt );
LocalToGlobal( &pt );
pt.v -= 50; // Draw the Poof 50 pixels above the mouse
PoofItGood( pt );
}
else if ( command.commandID == 'Over' )
{
if ( windowStorage->overlayWindow == NULL )
{
CreateOverlayWindow( window );
}
else
{
SendWindowCloseEvent( windowStorage->overlayWindow );
}
}
}
break;
}
return( err );
}