X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9d180f3ad0459709707ca591295c7c885d09c614..6de7047076f388adc95b2eb5c95d5860d65f2f7d:/src/cocoa/dcclient.mm

diff --git a/src/cocoa/dcclient.mm b/src/cocoa/dcclient.mm
index b64c2ac01c..eabd5cda12 100644
--- a/src/cocoa/dcclient.mm
+++ b/src/cocoa/dcclient.mm
@@ -1,108 +1,177 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        src/cocoa/dcclient.mm
-// Purpose:     wxWindowDC, wxPaintDC, and wxClientDC classes
+// Purpose:     wxWindowDCImpl, wxPaintDCImpl, and wxClientDCImpl classes
 // Author:      David Elliott
 // Modified by:
 // Created:     2003/04/01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2003 David Elliott
-// Licence:   	wxWindows license
+// Licence:   	wxWidgets licence
 /////////////////////////////////////////////////////////////////////////////
 
-#include "wx/dcclient.h"
-#include "wx/window.h"
+#include "wx/wxprec.h"
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/window.h"
+#endif //WX_PRECOMP
+
+#include "wx/cocoa/dcclient.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
+ * wxWindowDCImpl
  */
-IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
+IMPLEMENT_ABSTRACT_CLASS(wxWindowDCImpl, wxCocoaDCImpl)
 
-wxWindowDC::wxWindowDC(void)
-:   m_window(NULL)
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner)
+:   wxCocoaDCImpl(owner)
+,   m_window(NULL)
+,   m_lockedNSView(NULL)
 {
 };
 
-wxWindowDC::wxWindowDC( wxWindow *window )
-:   m_window(window)
+wxWindowDCImpl::wxWindowDCImpl(wxDC *owner, wxWindow *window)
+:   wxCocoaDCImpl(owner)
+,   m_window(window)
+,   m_lockedNSView(NULL)
 {
-    wxFAIL_MSG("non-client window DC's are not supported");
+    wxLogDebug(wxT("non-client window DC's are not supported, oh well"));
 };
 
-wxWindowDC::~wxWindowDC(void)
+wxWindowDCImpl::~wxWindowDCImpl(void)
 {
+    CocoaUnwindStackAndLoseFocus();
 };
 
-void wxWindowDC::Clear()
+bool wxWindowDCImpl::CocoaLockFocusOnNSView(WX_NSView nsview)
 {
-    wxASSERT(m_window);
+    if([nsview lockFocusIfCanDraw])
+    {
+        sm_cocoaDCStack.Insert(this);
+        CocoaApplyTransformations();
+        m_lockedNSView = nsview;
+        return true;
+    }
+    wxLogDebug(wxT("focus lock failed!"));
+    return false;
+}
 
-    NSGraphicsContext *context = [NSGraphicsContext currentContext];
-    [context saveGraphicsState];
+bool wxWindowDCImpl::CocoaUnlockFocusOnNSView()
+{
+    [[m_lockedNSView window] flushWindow];
+    [m_lockedNSView unlockFocus];
+    m_lockedNSView = NULL;
+    return true;
+}
 
-    [m_backgroundBrush.GetNSColor() set];
-    [NSBezierPath fillRect:[m_window->GetNSView() bounds]];
+bool wxWindowDCImpl::CocoaLockFocus()
+{
+    wxLogTrace(wxTRACE_COCOA,wxT("Locking focus on wxWindowDCImpl=%p, NSView=%p"),this, m_window->GetNonClientNSView());
+    NSAffineTransform *newTransform = CocoaGetWxToBoundsTransform([m_window->GetNonClientNSView() isFlipped], [m_window->GetNonClientNSView() bounds].size.height);
+    [newTransform retain];
+    [m_cocoaWxToBoundsTransform release];
+    m_cocoaWxToBoundsTransform = newTransform;
+    return CocoaLockFocusOnNSView(m_window->GetNonClientNSView());
+}
+
+bool wxWindowDCImpl::CocoaUnlockFocus()
+{
+    wxLogTrace(wxTRACE_COCOA,wxT("Unlocking focus on wxWindowDCImpl=%p, NSView=%p"),this, m_window->GetNonClientNSView());
+    return CocoaUnlockFocusOnNSView();
+}
 
-    [context restoreGraphicsState];
+bool wxWindowDCImpl::CocoaGetBounds(void *rectData)
+{
+    if(!rectData)
+        return false;
+    if(!m_lockedNSView)
+        return false;
+    NSRect *pRect = (NSRect*)rectData;
+    *pRect = [m_lockedNSView bounds];
+    return true;
 }
 
 /*
- * wxClientDC
+ * wxClientDCImpl
  */
-IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxClientDCImpl, wxWindowDCImpl)
 
-wxClientDC::wxClientDC(void)
+wxClientDCImpl::wxClientDCImpl(wxDC *owner)
+:   wxWindowDCImpl(owner)
 {
 };
 
-wxClientDC::wxClientDC( wxWindow *window )
+wxClientDCImpl::wxClientDCImpl(wxDC *owner, wxWindow *window)
+:   wxWindowDCImpl(owner)
 {
     m_window = window;
 };
 
-wxClientDC::~wxClientDC(void)
+wxClientDCImpl::~wxClientDCImpl(void)
 {
+    CocoaUnwindStackAndLoseFocus();
 };
 
+bool wxClientDCImpl::CocoaLockFocus()
+{
+    wxLogTrace(wxTRACE_COCOA,wxT("Locking focus on wxClientDCImpl=%p, NSView=%p"),this, m_window->GetNSView());
+    NSAffineTransform *newTransform = m_window->CocoaGetWxToBoundsTransform();
+    [newTransform retain];
+    [m_cocoaWxToBoundsTransform release];
+    m_cocoaWxToBoundsTransform = newTransform;
+    return CocoaLockFocusOnNSView(m_window->GetNSView());
+}
+
+bool wxClientDCImpl::CocoaUnlockFocus()
+{
+    wxLogTrace(wxTRACE_COCOA,wxT("Unlocking focus on wxClientDCImpl=%p, NSView=%p"),this, m_window->GetNSView());
+    return CocoaUnlockFocusOnNSView();
+}
+
 /*
- * wxPaintDC
+ * wxPaintDCImpl
  */
-IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxPaintDCImpl, wxWindowDCImpl)
 
-wxPaintDC::wxPaintDC(void)
+wxPaintDCImpl::wxPaintDCImpl(wxDC *owner)
+:   wxWindowDCImpl(owner)
 {
 };
 
-wxPaintDC::wxPaintDC( wxWindow *window )
+wxPaintDCImpl::wxPaintDCImpl(wxDC *owner, wxWindow *window)
+:   wxWindowDCImpl(owner)
 {
     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
+    wxASSERT_MSG([NSView focusView]==window->GetNSView(), wxT("PaintDC's NSView does not have focus.  Please use wxPaintDCImpl only as the first DC created in a paint handler"));
+    sm_cocoaDCStack.Insert(this);
+    m_lockedNSView = window->GetNSView();
+    NSAffineTransform *newTransform = window->CocoaGetWxToBoundsTransform();
+    [newTransform retain];
+    [m_cocoaWxToBoundsTransform release];
+    m_cocoaWxToBoundsTransform = newTransform;
+    CocoaApplyTransformations();
 };
 
-wxPaintDC::~wxPaintDC(void)
+wxPaintDCImpl::~wxPaintDCImpl(void)
 {
+    CocoaUnwindStackAndLoseFocus();
 };
 
+bool wxPaintDCImpl::CocoaLockFocus()
+{
+    wxFAIL_MSG(wxT("wxPaintDCImpl cannot be asked to lock focus!"));
+    return false;
+}
+
+bool wxPaintDCImpl::CocoaUnlockFocus()
+{
+    // wxPaintDCImpl focus can never be unlocked.
+    return false;
+}
+