1 /////////////////////////////////////////////////////////////////////////////
 
   2 // Name:        src/cocoa/window.mm
 
   3 // Purpose:     wxWindowCocoa
 
   4 // Author:      David Elliott
 
   8 // Copyright:   (c) 2002 David Elliott
 
   9 // Licence:     wxWidgets licence
 
  10 /////////////////////////////////////////////////////////////////////////////
 
  12 #include "wx/wxprec.h"
 
  16     #include "wx/window.h"
 
  21 #include "wx/tooltip.h"
 
  23 #include "wx/cocoa/autorelease.h"
 
  24 #include "wx/cocoa/string.h"
 
  26 #import <AppKit/NSView.h>
 
  27 #import <AppKit/NSEvent.h>
 
  28 #import <AppKit/NSScrollView.h>
 
  29 #import <AppKit/NSColor.h>
 
  30 #import <AppKit/NSClipView.h>
 
  31 #import <Foundation/NSException.h>
 
  32 #import <AppKit/NSApplication.h>
 
  33 #import <AppKit/NSWindow.h>
 
  35 // Turn this on to paint green over the dummy views for debugging
 
  36 #undef WXCOCOA_FILL_DUMMY_VIEW
 
  38 #ifdef WXCOCOA_FILL_DUMMY_VIEW
 
  39 #import <AppKit/NSBezierPath.h>
 
  40 #endif //def WXCOCOA_FILL_DUMMY_VIEW
 
  42 // A category for methods that are only present in Panther's SDK
 
  43 @interface NSView(wxNSViewPrePantherCompatibility)
 
  44 - (void)getRectsBeingDrawn:(const NSRect **)rects count:(int *)count;
 
  47 NSPoint CocoaTransformNSViewBoundsToWx(NSView *nsview, NSPoint pointBounds)
 
  49     wxCHECK_MSG(nsview, pointBounds, wxT("Need to have a Cocoa view to do translation"));
 
  50     if([nsview isFlipped])
 
  52     NSRect ourBounds = [nsview bounds];
 
  55     ,   ourBounds.size.height - pointBounds.y
 
  59 NSRect CocoaTransformNSViewBoundsToWx(NSView *nsview, NSRect rectBounds)
 
  61     wxCHECK_MSG(nsview, rectBounds, wxT("Need to have a Cocoa view to do translation"));
 
  62     if([nsview isFlipped])
 
  64     NSRect ourBounds = [nsview bounds];
 
  67     ,   ourBounds.size.height - (rectBounds.origin.y + rectBounds.size.height)
 
  68     ,   rectBounds.size.width
 
  69     ,   rectBounds.size.height
 
  73 NSPoint CocoaTransformNSViewWxToBounds(NSView *nsview, NSPoint pointWx)
 
  75     wxCHECK_MSG(nsview, pointWx, wxT("Need to have a Cocoa view to do translation"));
 
  76     if([nsview isFlipped])
 
  78     NSRect ourBounds = [nsview bounds];
 
  81     ,   ourBounds.size.height - pointWx.y
 
  85 NSRect CocoaTransformNSViewWxToBounds(NSView *nsview, NSRect rectWx)
 
  87     wxCHECK_MSG(nsview, rectWx, wxT("Need to have a Cocoa view to do translation"));
 
  88     if([nsview isFlipped])
 
  90     NSRect ourBounds = [nsview bounds];
 
  93     ,   ourBounds.size.height - (rectWx.origin.y + rectWx.size.height)
 
  99 // ========================================================================
 
 100 // wxWindowCocoaHider
 
 101 // ========================================================================
 
 102 class wxWindowCocoaHider: protected wxCocoaNSView
 
 104     DECLARE_NO_COPY_CLASS(wxWindowCocoaHider)
 
 106     wxWindowCocoaHider(wxWindow *owner);
 
 107     virtual ~wxWindowCocoaHider();
 
 108     inline WX_NSView GetNSView() { return m_dummyNSView; }
 
 110     wxWindowCocoa *m_owner;
 
 111     WX_NSView m_dummyNSView;
 
 112     virtual void Cocoa_FrameChanged(void);
 
 113 #ifdef WXCOCOA_FILL_DUMMY_VIEW
 
 114     virtual bool Cocoa_drawRect(const NSRect& rect);
 
 115 #endif //def WXCOCOA_FILL_DUMMY_VIEW
 
 117     wxWindowCocoaHider();
 
 120 // ========================================================================
 
 121 // wxWindowCocoaScrollView
 
 122 // ========================================================================
 
 123 class wxWindowCocoaScrollView: protected wxCocoaNSView
 
 125     DECLARE_NO_COPY_CLASS(wxWindowCocoaScrollView)
 
 127     wxWindowCocoaScrollView(wxWindow *owner);
 
 128     virtual ~wxWindowCocoaScrollView();
 
 129     inline WX_NSScrollView GetNSScrollView() { return m_cocoaNSScrollView; }
 
 130     void ClientSizeToSize(int &width, int &height);
 
 131     void DoGetClientSize(int *x, int *y) const;
 
 133     void Unencapsulate();
 
 135     wxWindowCocoa *m_owner;
 
 136     WX_NSScrollView m_cocoaNSScrollView;
 
 137     virtual void Cocoa_FrameChanged(void);
 
 139     wxWindowCocoaScrollView();
 
 142 // ========================================================================
 
 144 // ========================================================================
 
 145 @interface wxDummyNSView : NSView
 
 146 - (NSView *)hitTest:(NSPoint)aPoint;
 
 149 @implementation wxDummyNSView : NSView
 
 150 - (NSView *)hitTest:(NSPoint)aPoint
 
 157 // ========================================================================
 
 158 // wxWindowCocoaHider
 
 159 // ========================================================================
 
 160 wxWindowCocoaHider::wxWindowCocoaHider(wxWindow *owner)
 
 164     wxASSERT(owner->GetNSViewForHiding());
 
 165     m_dummyNSView = [[wxDummyNSView alloc]
 
 166         initWithFrame:[owner->GetNSViewForHiding() frame]];
 
 167     [m_dummyNSView setAutoresizingMask: [owner->GetNSViewForHiding() autoresizingMask]];
 
 168     AssociateNSView(m_dummyNSView);
 
 171 wxWindowCocoaHider::~wxWindowCocoaHider()
 
 173     DisassociateNSView(m_dummyNSView);
 
 174     [m_dummyNSView release];
 
 177 void wxWindowCocoaHider::Cocoa_FrameChanged(void)
 
 179     // Keep the real window in synch with the dummy
 
 180     wxASSERT(m_dummyNSView);
 
 181     [m_owner->GetNSViewForHiding() setFrame:[m_dummyNSView frame]];
 
 185 #ifdef WXCOCOA_FILL_DUMMY_VIEW
 
 186 bool wxWindowCocoaHider::Cocoa_drawRect(const NSRect& rect)
 
 188     NSBezierPath *bezpath = [NSBezierPath bezierPathWithRect:rect];
 
 189     [[NSColor greenColor] set];
 
 194 #endif //def WXCOCOA_FILL_DUMMY_VIEW
 
 196 // ========================================================================
 
 197 // wxFlippedNSClipView
 
 198 // ========================================================================
 
 199 @interface wxFlippedNSClipView : NSClipView
 
 203 @implementation wxFlippedNSClipView : NSClipView
 
 211 // ========================================================================
 
 212 // wxWindowCocoaScrollView
 
 213 // ========================================================================
 
 214 wxWindowCocoaScrollView::wxWindowCocoaScrollView(wxWindow *owner)
 
 217     wxAutoNSAutoreleasePool pool;
 
 219     wxASSERT(owner->GetNSView());
 
 220     m_cocoaNSScrollView = [[NSScrollView alloc]
 
 221         initWithFrame:[owner->GetNSView() frame]];
 
 222     AssociateNSView(m_cocoaNSScrollView);
 
 224     /* Replace the default NSClipView with a flipped one.  This ensures
 
 225        scrolling is "pinned" to the top-left instead of bottom-right. */
 
 226     NSClipView *flippedClip = [[wxFlippedNSClipView alloc]
 
 227         initWithFrame: [[m_cocoaNSScrollView contentView] frame]];
 
 228     [m_cocoaNSScrollView setContentView:flippedClip];
 
 229     [flippedClip release];
 
 231     [m_cocoaNSScrollView setBackgroundColor: [NSColor windowBackgroundColor]];
 
 232     [m_cocoaNSScrollView setHasHorizontalScroller: YES];
 
 233     [m_cocoaNSScrollView setHasVerticalScroller: YES];
 
 237 void wxWindowCocoaScrollView::Encapsulate()
 
 239     // Set the scroll view autoresizingMask to match the current NSView
 
 240     [m_cocoaNSScrollView setAutoresizingMask: [m_owner->GetNSView() autoresizingMask]];
 
 241     [m_owner->GetNSView() setAutoresizingMask: NSViewNotSizable];
 
 242     // NOTE: replaceSubView will cause m_cocaNSView to be released
 
 243     // except when it hasn't been added into an NSView hierarchy in which
 
 244     // case it doesn't need to be and this should work out to a no-op
 
 245     m_owner->CocoaReplaceView(m_owner->GetNSView(), m_cocoaNSScrollView);
 
 246     // The NSView is still retained by owner
 
 247     [m_cocoaNSScrollView setDocumentView: m_owner->GetNSView()];
 
 248     // Now it's also retained by the NSScrollView
 
 251 void wxWindowCocoaScrollView::Unencapsulate()
 
 253     [m_cocoaNSScrollView setDocumentView: nil];
 
 254     m_owner->CocoaReplaceView(m_cocoaNSScrollView, m_owner->GetNSView());
 
 255     if(![[m_owner->GetNSView() superview] isFlipped])
 
 256         [m_owner->GetNSView() setAutoresizingMask: NSViewMinYMargin];
 
 259 wxWindowCocoaScrollView::~wxWindowCocoaScrollView()
 
 261     DisassociateNSView(m_cocoaNSScrollView);
 
 262     [m_cocoaNSScrollView release];
 
 265 void wxWindowCocoaScrollView::ClientSizeToSize(int &width, int &height)
 
 267     NSSize frameSize = [NSScrollView
 
 268         frameSizeForContentSize: NSMakeSize(width,height)
 
 269         hasHorizontalScroller: [m_cocoaNSScrollView hasHorizontalScroller]
 
 270         hasVerticalScroller: [m_cocoaNSScrollView hasVerticalScroller]
 
 271         borderType: [m_cocoaNSScrollView borderType]];
 
 272     width = (int)frameSize.width;
 
 273     height = (int)frameSize.height;
 
 276 void wxWindowCocoaScrollView::DoGetClientSize(int *x, int *y) const
 
 278     NSSize nssize = [m_cocoaNSScrollView contentSize];
 
 280         *x = (int)nssize.width;
 
 282         *y = (int)nssize.height;
 
 285 void wxWindowCocoaScrollView::Cocoa_FrameChanged(void)
 
 287     wxLogTrace(wxTRACE_COCOA,wxT("Cocoa_FrameChanged"));
 
 288     wxSizeEvent event(m_owner->GetSize(), m_owner->GetId());
 
 289     event.SetEventObject(m_owner);
 
 290     m_owner->GetEventHandler()->ProcessEvent(event);
 
 293 // ========================================================================
 
 295 // ========================================================================
 
 296 // normally the base classes aren't included, but wxWindow is special
 
 297 #ifdef __WXUNIVERSAL__
 
 298 IMPLEMENT_ABSTRACT_CLASS(wxWindowCocoa, wxWindowBase)
 
 300 IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
 
 303 BEGIN_EVENT_TABLE(wxWindowCocoa, wxWindowBase)
 
 306 wxWindow *wxWindowCocoa::sm_capturedWindow = NULL;
 
 309 void wxWindowCocoa::Init()
 
 311     m_cocoaNSView = NULL;
 
 313     m_wxCocoaScrollView = NULL;
 
 314     m_isBeingDeleted = false;
 
 316     m_shouldBeEnabled = true;
 
 320 bool wxWindow::Create(wxWindow *parent, wxWindowID winid,
 
 324            const wxString& name)
 
 326     if(!CreateBase(parent,winid,pos,size,style,wxDefaultValidator,name))
 
 329     // TODO: create the window
 
 330     m_cocoaNSView = NULL;
 
 331     SetNSView([[NSView alloc] initWithFrame: MakeDefaultNSRect(size)]);
 
 332     [m_cocoaNSView release];
 
 336         m_parent->AddChild(this);
 
 337         m_parent->CocoaAddChild(this);
 
 338         SetInitialFrameRect(pos,size);
 
 345 wxWindow::~wxWindow()
 
 347     wxAutoNSAutoreleasePool pool;
 
 350     // Make sure our parent (in the wxWidgets sense) is our superview
 
 351     // before we go removing from it.
 
 352     if(m_parent && m_parent->GetNSView()==[GetNSViewForSuperview() superview])
 
 353         CocoaRemoveFromParent();
 
 355     delete m_wxCocoaScrollView;
 
 361 void wxWindowCocoa::CocoaAddChild(wxWindowCocoa *child)
 
 363     NSView *childView = child->GetNSViewForSuperview();
 
 366     [m_cocoaNSView addSubview: childView];
 
 367     child->m_isShown = !m_cocoaHider;
 
 370 void wxWindowCocoa::CocoaRemoveFromParent(void)
 
 372     [GetNSViewForSuperview() removeFromSuperview];
 
 375 void wxWindowCocoa::SetNSView(WX_NSView cocoaNSView)
 
 377     bool need_debug = cocoaNSView || m_cocoaNSView;
 
 378     if(need_debug) wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxWindowCocoa=%p::SetNSView [m_cocoaNSView=%p retainCount]=%d"),this,m_cocoaNSView,[m_cocoaNSView retainCount]);
 
 379     DisassociateNSView(m_cocoaNSView);
 
 380     [cocoaNSView retain];
 
 381     [m_cocoaNSView release];
 
 382     m_cocoaNSView = cocoaNSView;
 
 383     AssociateNSView(m_cocoaNSView);
 
 384     if(need_debug) wxLogTrace(wxTRACE_COCOA_RetainRelease,wxT("wxWindowCocoa=%p::SetNSView [cocoaNSView=%p retainCount]=%d"),this,cocoaNSView,[cocoaNSView retainCount]);
 
 387 WX_NSView wxWindowCocoa::GetNSViewForSuperview() const
 
 390         ?   m_cocoaHider->GetNSView()
 
 391         :   m_wxCocoaScrollView
 
 392             ?   m_wxCocoaScrollView->GetNSScrollView()
 
 396 WX_NSView wxWindowCocoa::GetNSViewForHiding() const
 
 398     return m_wxCocoaScrollView
 
 399         ?   m_wxCocoaScrollView->GetNSScrollView()
 
 403 NSPoint wxWindowCocoa::CocoaTransformBoundsToWx(NSPoint pointBounds)
 
 405     // TODO: Handle scrolling offset
 
 406     return CocoaTransformNSViewBoundsToWx(GetNSView(), pointBounds);
 
 409 NSRect wxWindowCocoa::CocoaTransformBoundsToWx(NSRect rectBounds)
 
 411     // TODO: Handle scrolling offset
 
 412     return CocoaTransformNSViewBoundsToWx(GetNSView(), rectBounds);
 
 415 NSPoint wxWindowCocoa::CocoaTransformWxToBounds(NSPoint pointWx)
 
 417     // TODO: Handle scrolling offset
 
 418     return CocoaTransformNSViewWxToBounds(GetNSView(), pointWx);
 
 421 NSRect wxWindowCocoa::CocoaTransformWxToBounds(NSRect rectWx)
 
 423     // TODO: Handle scrolling offset
 
 424     return CocoaTransformNSViewWxToBounds(GetNSView(), rectWx);
 
 427 WX_NSAffineTransform wxWindowCocoa::CocoaGetWxToBoundsTransform()
 
 429     // TODO: Handle scrolling offset
 
 430     NSAffineTransform *transform = wxDC::CocoaGetWxToBoundsTransform([GetNSView() isFlipped], [GetNSView() bounds].size.height);
 
 434 bool wxWindowCocoa::Cocoa_drawRect(const NSRect &rect)
 
 436     wxLogTrace(wxTRACE_COCOA,wxT("Cocoa_drawRect"));
 
 437     // Recursion can happen if the event loop runs from within the paint
 
 438     // handler.  For instance, if an assertion dialog is shown.
 
 439     // FIXME: This seems less than ideal.
 
 442         wxLogDebug(wxT("Paint event recursion!"));
 
 447     // Set m_updateRegion
 
 448     const NSRect *rects = ▭ // The bounding box of the region
 
 450     // Try replacing the larger rectangle with a list of smaller ones:
 
 451     if ([GetNSView() respondsToSelector:@selector(getRectsBeingDrawn:count:)])
 
 452         [GetNSView() getRectsBeingDrawn:&rects count:&countRects];
 
 454     NSRect *transformedRects = (NSRect*)malloc(sizeof(NSRect)*countRects);
 
 455     for(int i=0; i<countRects; i++)
 
 457         transformedRects[i] = CocoaTransformBoundsToWx(rects[i]);
 
 459     m_updateRegion = wxRegion(transformedRects,countRects);
 
 460     free(transformedRects);
 
 462     wxPaintEvent event(m_windowId);
 
 463     event.SetEventObject(this);
 
 464     bool ret = GetEventHandler()->ProcessEvent(event);
 
 469 void wxWindowCocoa::InitMouseEvent(wxMouseEvent& event, WX_NSEvent cocoaEvent)
 
 471     wxASSERT_MSG([m_cocoaNSView window]==[cocoaEvent window],wxT("Mouse event for different NSWindow"));
 
 472     // Mouse events happen at the NSWindow level so we need to convert
 
 473     // into our bounds coordinates then convert to wx coordinates.
 
 474     NSPoint cocoaPoint = [m_cocoaNSView convertPoint:[(NSEvent*)cocoaEvent locationInWindow] fromView:nil];
 
 475     NSPoint pointWx = CocoaTransformBoundsToWx(cocoaPoint);
 
 476     // FIXME: Should we be adjusting for client area origin?
 
 477     const wxPoint &clientorigin = GetClientAreaOrigin();
 
 478     event.m_x = (wxCoord)pointWx.x - clientorigin.x;
 
 479     event.m_y = (wxCoord)pointWx.y - clientorigin.y;
 
 481     event.m_shiftDown = [cocoaEvent modifierFlags] & NSShiftKeyMask;
 
 482     event.m_controlDown = [cocoaEvent modifierFlags] & NSControlKeyMask;
 
 483     event.m_altDown = [cocoaEvent modifierFlags] & NSAlternateKeyMask;
 
 484     event.m_metaDown = [cocoaEvent modifierFlags] & NSCommandKeyMask;
 
 486     // TODO: set timestamp?
 
 487     event.SetEventObject(this);
 
 488     event.SetId(GetId());
 
 491 bool wxWindowCocoa::Cocoa_mouseMoved(WX_NSEvent theEvent)
 
 493     wxMouseEvent event(wxEVT_MOTION);
 
 494     InitMouseEvent(event,theEvent);
 
 495     wxLogTrace(wxTRACE_COCOA,wxT("Mouse Drag @%d,%d"),event.m_x,event.m_y);
 
 496     return GetEventHandler()->ProcessEvent(event);
 
 499 bool wxWindowCocoa::Cocoa_mouseEntered(WX_NSEvent theEvent)
 
 504 bool wxWindowCocoa::Cocoa_mouseExited(WX_NSEvent theEvent)
 
 509 bool wxWindowCocoa::Cocoa_mouseDown(WX_NSEvent theEvent)
 
 511     wxMouseEvent event([theEvent clickCount]<2?wxEVT_LEFT_DOWN:wxEVT_LEFT_DCLICK);
 
 512     InitMouseEvent(event,theEvent);
 
 513     wxLogTrace(wxTRACE_COCOA,wxT("Mouse Down @%d,%d num clicks=%d"),event.m_x,event.m_y,[theEvent clickCount]);
 
 514     return GetEventHandler()->ProcessEvent(event);
 
 517 bool wxWindowCocoa::Cocoa_mouseDragged(WX_NSEvent theEvent)
 
 519     wxMouseEvent event(wxEVT_MOTION);
 
 520     InitMouseEvent(event,theEvent);
 
 521     event.m_leftDown = true;
 
 522     wxLogTrace(wxTRACE_COCOA,wxT("Mouse Drag @%d,%d"),event.m_x,event.m_y);
 
 523     return GetEventHandler()->ProcessEvent(event);
 
 526 bool wxWindowCocoa::Cocoa_mouseUp(WX_NSEvent theEvent)
 
 528     wxMouseEvent event(wxEVT_LEFT_UP);
 
 529     InitMouseEvent(event,theEvent);
 
 530     wxLogTrace(wxTRACE_COCOA,wxT("Mouse Up @%d,%d"),event.m_x,event.m_y);
 
 531     return GetEventHandler()->ProcessEvent(event);
 
 534 bool wxWindowCocoa::Cocoa_rightMouseDown(WX_NSEvent theEvent)
 
 536     wxMouseEvent event([theEvent clickCount]<2?wxEVT_RIGHT_DOWN:wxEVT_RIGHT_DCLICK);
 
 537     InitMouseEvent(event,theEvent);
 
 538     wxLogDebug(wxT("Mouse Down @%d,%d num clicks=%d"),event.m_x,event.m_y,[theEvent clickCount]);
 
 539     return GetEventHandler()->ProcessEvent(event);
 
 542 bool wxWindowCocoa::Cocoa_rightMouseDragged(WX_NSEvent theEvent)
 
 544     wxMouseEvent event(wxEVT_MOTION);
 
 545     InitMouseEvent(event,theEvent);
 
 546     event.m_rightDown = true;
 
 547     wxLogDebug(wxT("Mouse Drag @%d,%d"),event.m_x,event.m_y);
 
 548     return GetEventHandler()->ProcessEvent(event);
 
 551 bool wxWindowCocoa::Cocoa_rightMouseUp(WX_NSEvent theEvent)
 
 553     wxMouseEvent event(wxEVT_RIGHT_UP);
 
 554     InitMouseEvent(event,theEvent);
 
 555     wxLogDebug(wxT("Mouse Up @%d,%d"),event.m_x,event.m_y);
 
 556     return GetEventHandler()->ProcessEvent(event);
 
 559 bool wxWindowCocoa::Cocoa_otherMouseDown(WX_NSEvent theEvent)
 
 564 bool wxWindowCocoa::Cocoa_otherMouseDragged(WX_NSEvent theEvent)
 
 569 bool wxWindowCocoa::Cocoa_otherMouseUp(WX_NSEvent theEvent)
 
 574 void wxWindowCocoa::Cocoa_FrameChanged(void)
 
 576     wxLogTrace(wxTRACE_COCOA,wxT("Cocoa_FrameChanged"));
 
 577     wxSizeEvent event(GetSize(), m_windowId);
 
 578     event.SetEventObject(this);
 
 579     GetEventHandler()->ProcessEvent(event);
 
 582 bool wxWindowCocoa::Cocoa_resetCursorRects()
 
 584     if(!m_cursor.GetNSCursor())
 
 587     [GetNSView() addCursorRect: [GetNSView() visibleRect]  cursor: m_cursor.GetNSCursor()];
 
 592 bool wxWindow::Close(bool force)
 
 594     // The only reason this function exists is that it is virtual and
 
 595     // wxTopLevelWindowCocoa will override it.
 
 596     return wxWindowBase::Close(force);
 
 599 void wxWindow::CocoaReplaceView(WX_NSView oldView, WX_NSView newView)
 
 601     [[oldView superview] replaceSubview:oldView with:newView];
 
 604 bool wxWindow::EnableSelfAndChildren(bool enable)
 
 606     // If the state isn't changing, don't do anything
 
 607     if(!wxWindowBase::Enable(enable && m_shouldBeEnabled))
 
 609     // Set the state of the Cocoa window
 
 610     CocoaSetEnabled(m_isEnabled);
 
 611     // Disable all children or (if enabling) return them to their proper state
 
 612     for(wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
 
 613         node; node = node->GetNext())
 
 615         node->GetData()->EnableSelfAndChildren(enable);
 
 620 bool wxWindow::Enable(bool enable)
 
 622     // Keep track of what the window SHOULD be doing
 
 623     m_shouldBeEnabled = enable;
 
 624     // If the parent is disabled for any reason, then this window will be too.
 
 625     if(!IsTopLevel() && GetParent())
 
 627         enable = enable && GetParent()->IsEnabled();
 
 629     return EnableSelfAndChildren(enable);
 
 632 bool wxWindow::Show(bool show)
 
 634     wxAutoNSAutoreleasePool pool;
 
 635     // If the window is marked as visible, then it shouldn't have a dummy view
 
 636     // If the window is marked hidden, then it should have a dummy view
 
 637     // wxSpinCtrl (generic) abuses m_isShown, don't use it for any logic
 
 638 //    wxASSERT_MSG( (m_isShown && !m_dummyNSView) || (!m_isShown && m_dummyNSView),wxT("wxWindow: m_isShown does not agree with m_dummyNSView"));
 
 639     // Return false if there isn't a window to show or hide
 
 640     NSView *cocoaView = GetNSViewForHiding();
 
 645         // If state isn't changing, return false
 
 648         CocoaReplaceView(m_cocoaHider->GetNSView(), cocoaView);
 
 649         wxASSERT(![m_cocoaHider->GetNSView() superview]);
 
 652         wxASSERT([cocoaView superview]);
 
 656         // If state isn't changing, return false
 
 659         m_cocoaHider = new wxWindowCocoaHider(this);
 
 660         // NOTE: replaceSubview:with will cause m_cocaNSView to be
 
 661         // (auto)released which balances out addSubview
 
 662         CocoaReplaceView(cocoaView, m_cocoaHider->GetNSView());
 
 663         // m_coocaNSView is now only retained by us
 
 664         wxASSERT([m_cocoaHider->GetNSView() superview]);
 
 665         wxASSERT(![cocoaView superview]);
 
 671 void wxWindowCocoa::DoSetSize(int x, int y, int width, int height, int sizeFlags)
 
 673     wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxWindow=%p::DoSetSizeWindow(%d,%d,%d,%d,Auto: %s%s)"),this,x,y,width,height,(sizeFlags&wxSIZE_AUTO_WIDTH)?"W":".",sizeFlags&wxSIZE_AUTO_HEIGHT?"H":".");
 
 674     int currentX, currentY;
 
 675     int currentW, currentH;
 
 676     DoGetPosition(¤tX, ¤tY);
 
 677     DoGetSize(¤tW, ¤tH);
 
 678     if((x==-1) && !(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 
 680     if((y==-1) && !(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 
 683     AdjustForParentClientOrigin(x,y,sizeFlags);
 
 685     wxSize size(wxDefaultSize);
 
 687     if((width==-1)&&!(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 
 689         if(sizeFlags&wxSIZE_AUTO_WIDTH)
 
 691             size=DoGetBestSize();
 
 697     if((height==-1)&&!(sizeFlags&wxSIZE_ALLOW_MINUS_ONE))
 
 699         if(sizeFlags&wxSIZE_AUTO_HEIGHT)
 
 702                 size=DoGetBestSize();
 
 708     DoMoveWindow(x,y,width,height);
 
 713 void wxWindowCocoa::DoSetToolTip( wxToolTip *tip )
 
 715     wxWindowBase::DoSetToolTip(tip);
 
 719         m_tooltip->SetWindow((wxWindow *)this);
 
 725 void wxWindowCocoa::DoMoveWindow(int x, int y, int width, int height)
 
 727     wxAutoNSAutoreleasePool pool;
 
 728     wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxWindow=%p::DoMoveWindow(%d,%d,%d,%d)"),this,x,y,width,height);
 
 730     NSView *nsview = GetNSViewForSuperview();
 
 731     NSView *superview = [nsview superview];
 
 733     wxCHECK_RET(GetParent(), wxT("Window can only be placed correctly when it has a parent"));
 
 735     NSRect oldFrameRect = [nsview frame];
 
 736     NSRect newFrameRect = GetParent()->CocoaTransformWxToBounds(NSMakeRect(x,y,width,height));
 
 737     [nsview setFrame:newFrameRect];
 
 738     // Be sure to redraw the parent to reflect the changed position
 
 739     [superview setNeedsDisplayInRect:oldFrameRect];
 
 740     [superview setNeedsDisplayInRect:newFrameRect];
 
 743 void wxWindowCocoa::SetInitialFrameRect(const wxPoint& pos, const wxSize& size)
 
 745     NSView *nsview = GetNSViewForSuperview();
 
 746     NSView *superview = [nsview superview];
 
 747     wxCHECK_RET(superview,wxT("NSView does not have a superview"));
 
 748     wxCHECK_RET(GetParent(), wxT("Window can only be placed correctly when it has a parent"));
 
 749     NSRect frameRect = [nsview frame];
 
 751         frameRect.size.width = size.x;
 
 753         frameRect.size.height = size.y;
 
 754     frameRect.origin.x = pos.x;
 
 755     frameRect.origin.y = pos.y;
 
 756     // Tell Cocoa to change the margin between the bottom of the superview
 
 757     // and the bottom of the control.  Keeps the control pinned to the top
 
 758     // of its superview so that its position in the wxWidgets coordinate
 
 759     // system doesn't change.
 
 760     if(![superview isFlipped])
 
 761         [nsview setAutoresizingMask: NSViewMinYMargin];
 
 762     // MUST set the mask before setFrame: which can generate a size event
 
 763     // and cause a scroller to be added!
 
 764     frameRect = GetParent()->CocoaTransformWxToBounds(frameRect);
 
 765     [nsview setFrame: frameRect];
 
 769 void wxWindow::DoGetSize(int *w, int *h) const
 
 771     NSRect cocoaRect = [GetNSViewForSuperview() frame];
 
 773         *w=(int)cocoaRect.size.width;
 
 775         *h=(int)cocoaRect.size.height;
 
 776     wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxWindow=%p::DoGetSize = (%d,%d)"),this,(int)cocoaRect.size.width,(int)cocoaRect.size.height);
 
 779 void wxWindow::DoGetPosition(int *x, int *y) const
 
 781     NSView *nsview = GetNSViewForSuperview();
 
 783     NSRect cocoaRect = [nsview frame];
 
 784     NSRect rectWx = GetParent()->CocoaTransformBoundsToWx(cocoaRect);
 
 786         *x=(int)rectWx.origin.x;
 
 788         *y=(int)rectWx.origin.y;
 
 789     wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("wxWindow=%p::DoGetPosition = (%d,%d)"),this,(int)cocoaRect.origin.x,(int)cocoaRect.origin.y);
 
 792 WXWidget wxWindow::GetHandle() const
 
 794     return m_cocoaNSView;
 
 797 wxWindow* wxWindow::GetWxWindow() const
 
 799     return (wxWindow*) this;
 
 802 void wxWindow::Refresh(bool eraseBack, const wxRect *rect)
 
 804     [m_cocoaNSView setNeedsDisplay:YES];
 
 807 void wxWindow::SetFocus()
 
 809     if([GetNSView() acceptsFirstResponder])
 
 810         [[GetNSView() window] makeFirstResponder: GetNSView()];
 
 813 void wxWindow::DoCaptureMouse()
 
 816     sm_capturedWindow = this;
 
 819 void wxWindow::DoReleaseMouse()
 
 822     sm_capturedWindow = NULL;
 
 825 void wxWindow::DoScreenToClient(int *x, int *y) const
 
 830 void wxWindow::DoClientToScreen(int *x, int *y) const
 
 835 // Get size *available for subwindows* i.e. excluding menu bar etc.
 
 836 void wxWindow::DoGetClientSize(int *x, int *y) const
 
 838     wxLogTrace(wxTRACE_COCOA,wxT("DoGetClientSize:"));
 
 839     if(m_wxCocoaScrollView)
 
 840         m_wxCocoaScrollView->DoGetClientSize(x,y);
 
 842         wxWindowCocoa::DoGetSize(x,y);
 
 845 void wxWindow::DoSetClientSize(int width, int height)
 
 847     wxLogTrace(wxTRACE_COCOA_Window_Size,wxT("DoSetClientSize=(%d,%d)"),width,height);
 
 848     if(m_wxCocoaScrollView)
 
 849         m_wxCocoaScrollView->ClientSizeToSize(width,height);
 
 850     CocoaSetWxWindowSize(width,height);
 
 853 void wxWindow::CocoaSetWxWindowSize(int width, int height)
 
 855     wxWindowCocoa::DoSetSize(wxDefaultCoord,wxDefaultCoord,width,height,wxSIZE_USE_EXISTING);
 
 858 void wxWindow::SetLabel(const wxString& WXUNUSED(label))
 
 863 wxString wxWindow::GetLabel() const
 
 866     return wxEmptyString;
 
 869 int wxWindow::GetCharHeight() const
 
 875 int wxWindow::GetCharWidth() const
 
 881 void wxWindow::GetTextExtent(const wxString& string, int *x, int *y,
 
 882         int *descent, int *externalLeading, const wxFont *theFont) const
 
 887 // Coordinates relative to the window
 
 888 void wxWindow::WarpPointer (int x_pos, int y_pos)
 
 893 int wxWindow::GetScrollPos(int orient) const
 
 899 // This now returns the whole range, not just the number
 
 900 // of positions that we can scroll.
 
 901 int wxWindow::GetScrollRange(int orient) const
 
 907 int wxWindow::GetScrollThumb(int orient) const
 
 913 void wxWindow::SetScrollPos(int orient, int pos, bool refresh)
 
 918 void wxWindow::CocoaCreateNSScrollView()
 
 920     if(!m_wxCocoaScrollView)
 
 922         m_wxCocoaScrollView = new wxWindowCocoaScrollView(this);
 
 926 // New function that will replace some of the above.
 
 927 void wxWindow::SetScrollbar(int orient, int pos, int thumbVisible,
 
 928     int range, bool refresh)
 
 930     CocoaCreateNSScrollView();
 
 934 // Does a physical scroll
 
 935 void wxWindow::ScrollWindow(int dx, int dy, const wxRect *rect)
 
 940 void wxWindow::DoSetVirtualSize( int x, int y )
 
 942     wxWindowBase::DoSetVirtualSize(x,y);
 
 943     CocoaCreateNSScrollView();
 
 944     [m_cocoaNSView setFrameSize:NSMakeSize(m_virtualSize.x,m_virtualSize.y)];
 
 947 bool wxWindow::SetFont(const wxFont& font)
 
 953 static int CocoaRaiseWindowCompareFunction(id first, id second, void *target)
 
 955     // first should be ordered higher
 
 957         return NSOrderedDescending;
 
 958     // second should be ordered higher
 
 960         return NSOrderedAscending;
 
 961     return NSOrderedSame;
 
 964 // Raise the window to the top of the Z order
 
 965 void wxWindow::Raise()
 
 967 //    wxAutoNSAutoreleasePool pool;
 
 968     NSView *nsview = GetNSViewForSuperview();
 
 969     [[nsview superview] sortSubviewsUsingFunction:
 
 970             CocoaRaiseWindowCompareFunction
 
 974 static int CocoaLowerWindowCompareFunction(id first, id second, void *target)
 
 976     // first should be ordered lower
 
 978         return NSOrderedAscending;
 
 979     // second should be ordered lower
 
 981         return NSOrderedDescending;
 
 982     return NSOrderedSame;
 
 985 // Lower the window to the bottom of the Z order
 
 986 void wxWindow::Lower()
 
 988     NSView *nsview = GetNSViewForSuperview();
 
 989     [[nsview superview] sortSubviewsUsingFunction:
 
 990             CocoaLowerWindowCompareFunction
 
 994 bool wxWindow::DoPopupMenu(wxMenu *menu, int x, int y)
 
 999 // Get the window with the focus
 
1000 wxWindow *wxWindowBase::DoFindFocus()
 
1002     // Basically we are somewhat emulating the responder chain here except
 
1003     // we are only loking for the first responder in the key window or
 
1004     // upon failing to find one if the main window is different we look
 
1005     // for the first responder in the main window.
 
1007     // Note that the firstResponder doesn't necessarily have to be an
 
1008     // NSView but wxCocoaNSView::GetFromCocoa() will simply return
 
1009     // NULL unless it finds its argument in its hash map.
 
1013     NSWindow *keyWindow = [[NSApplication sharedApplication] keyWindow];
 
1014     win = wxCocoaNSView::GetFromCocoa(static_cast<NSView*>([keyWindow firstResponder]));
 
1016         return win->GetWxWindow();
 
1018     NSWindow *mainWindow = [[NSApplication sharedApplication] keyWindow];
 
1019     if(mainWindow == keyWindow)
 
1021     win = wxCocoaNSView::GetFromCocoa(static_cast<NSView*>([mainWindow firstResponder]));
 
1023         return win->GetWxWindow();
 
1028 /* static */ wxWindow *wxWindowBase::GetCapture()
 
1031     return wxWindowCocoa::sm_capturedWindow;
 
1034 wxWindow *wxGetActiveWindow()
 
1040 wxPoint wxGetMousePosition()
 
1043     return wxDefaultPosition;
 
1046 wxMouseState wxGetMouseState()
 
1053 wxWindow* wxFindWindowAtPointer(wxPoint& pt)
 
1055     pt = wxGetMousePosition();