#include "wx/dcclient.h"
#include "wx/window.h"
+#include "wx/log.h"
#import <AppKit/NSView.h>
#import <AppKit/NSAffineTransform.h>
+#import <AppKit/NSColor.h>
+#import <AppKit/NSGraphicsContext.h>
+#import <AppKit/NSBezierPath.h>
+#import <AppKit/NSWindow.h>
/*
* wxWindowDC
{
};
+void wxWindowDC::Clear()
+{
+ wxASSERT(m_window);
+
+ NSGraphicsContext *context = [NSGraphicsContext currentContext];
+ [context saveGraphicsState];
+
+ [m_backgroundBrush.GetNSColor() set];
+ [NSBezierPath fillRect:[m_window->GetNSView() bounds]];
+
+ [context restoreGraphicsState];
+}
+
/*
* wxClientDC
*/
};
wxClientDC::wxClientDC( wxWindow *window )
-: wxWindowDC(window)
{
+ m_window = window;
};
wxClientDC::~wxClientDC(void)
{
+ CocoaUnwindStackAndLoseFocus();
};
+bool wxClientDC::CocoaLockFocus()
+{
+ wxLogDebug("Locking focus on wxClientDC=%p, NSView=%p",this, m_window->GetNSView());
+ if([m_window->GetNSView() lockFocusIfCanDraw])
+ {
+ sm_cocoaDCStack.Insert(this);
+ m_cocoaFlipped = [m_window->GetNSView() isFlipped];
+ m_cocoaHeight = [m_window->GetNSView() bounds].size.height;
+ CocoaApplyTransformations();
+ return true;
+ }
+ wxLogDebug("focus lock failed!");
+ return false;
+}
+
+bool wxClientDC::CocoaUnlockFocus()
+{
+ wxLogDebug("Unlocking focus on wxClientDC=%p, NSView=%p",this, m_window->GetNSView());
+ [[m_window->GetNSView() window] flushWindow];
+ [m_window->GetNSView() unlockFocus];
+ return true;
+}
+
/*
* wxPaintDC
*/
};
wxPaintDC::wxPaintDC( wxWindow *window )
-: wxWindowDC(window)
{
+ m_window = window;
wxASSERT_MSG([NSView focusView]==window->GetNSView(), "PaintDC's NSView does not have focus. Please use wxPaintDC only as the first DC created in a paint handler");
- // This transform flips the graphics since wxDC uses top-left origin
- if(![window->GetNSView() isFlipped])
- {
- // The transform is auto released
- NSAffineTransform *transform = [NSAffineTransform transform];
- /* x' = 1x + 0y + 0
- y' = 0x + -1y + window's height
- */
- NSAffineTransformStruct matrix = {
- 1, 0
- , 0, -1
- , 0, [window->GetNSView() bounds].size.height
- };
- [transform setTransformStruct: matrix];
- // Apply the transform
- [transform concat];
- }
- // TODO: Apply scaling transformation
+ sm_cocoaDCStack.Insert(this);
+ m_cocoaFlipped = [window->GetNSView() isFlipped];
+ m_cocoaHeight = [window->GetNSView() bounds].size.height;
+ CocoaApplyTransformations();
};
wxPaintDC::~wxPaintDC(void)
{
+ CocoaUnwindStackAndLoseFocus();
};
+bool wxPaintDC::CocoaLockFocus()
+{
+ wxFAIL_MSG("wxPaintDC cannot be asked to lock focus!");
+ return false;
+}
+
+bool wxPaintDC::CocoaUnlockFocus()
+{
+ // wxPaintDC focus can never be unlocked.
+ return false;
+}
+