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Implemented wxDC stack with focus locking and unlocking

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Implemented wxClientDC


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@22201 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
David Elliott
2003-07-21 17:06:02 +00:00
parent d118e323d5
commit fe8f794343
6 changed files with 180 additions and 22 deletions
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35
include/wx/cocoa/dc.h
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@@ -12,6 +12,9 @@
#ifndef __WX_COCOA_DC_H__
#define __WX_COCOA_DC_H__
class WXDLLEXPORT wxDC;
WX_DECLARE_LIST(wxDC, wxCocoaDCStack);
//=========================================================================
// wxDC
//=========================================================================
@@ -19,17 +22,44 @@ class WXDLLEXPORT wxDC: public wxDCBase
{
DECLARE_DYNAMIC_CLASS(wxDC)
DECLARE_NO_COPY_CLASS(wxDC)
//-------------------------------------------------------------------------
// Initialization
//-------------------------------------------------------------------------
public:
wxDC();
~wxDC();
//-------------------------------------------------------------------------
// wxCocoa specifics
//-------------------------------------------------------------------------
public:
static void CocoaInitializeTextSystem();
static void CocoaShutdownTextSystem();
static wxDC *sm_focusedDC;
static WX_NSTextStorage sm_cocoaNSTextStorage;
static WX_NSLayoutManager sm_cocoaNSLayoutManager;
static WX_NSTextContainer sm_cocoaNSTextContainer;
protected:
// DC stack
static wxCocoaDCStack sm_cocoaDCStack;
virtual bool CocoaLockFocus();
virtual bool CocoaUnlockFocus();
bool CocoaUnwindStackAndTakeFocus();
inline bool CocoaTakeFocus()
{
wxCocoaDCStack::Node *node = sm_cocoaDCStack.GetFirst();
if(node && (node->GetData() == this))
return true;
return CocoaUnwindStackAndTakeFocus();
}
void CocoaUnwindStackAndLoseFocus();
// DC flipping/transformation
void CocoaApplyTransformations();
float m_cocoaHeight;
bool m_cocoaFlipped;
//-------------------------------------------------------------------------
// Implementation
//-------------------------------------------------------------------------
public:
// implement base class pure virtuals
// ----------------------------------
@@ -126,7 +156,6 @@ protected:
virtual void DoDrawPolygon(int n, wxPoint points[],
wxCoord xoffset, wxCoord yoffset,
int fillStyle = wxODDEVEN_RULE);
};
#endif // __WX_COCOA_DC_H__