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Implement Raise()/Lower() using [NSVIew sortSubviewsUsingFunction:context:]
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/cocoa/dcclient.mm
3// Purpose: wxWindowDC, wxPaintDC, and wxClientDC classes
4// Author: David Elliott
5// Modified by:
6// Created: 2003/04/01
7// RCS-ID: $Id$
8// Copyright: (c) 2003 David Elliott
9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12#include "wx/dcclient.h"
13#include "wx/window.h"
14#include "wx/log.h"
15
16#import <AppKit/NSView.h>
17#import <AppKit/NSAffineTransform.h>
18#import <AppKit/NSColor.h>
19#import <AppKit/NSGraphicsContext.h>
20#import <AppKit/NSBezierPath.h>
21#import <AppKit/NSWindow.h>
22
23/*
24 * wxWindowDC
25 */
26IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
27
28wxWindowDC::wxWindowDC(void)
29: m_window(NULL)
30{
31};
32
33wxWindowDC::wxWindowDC( wxWindow *window )
34: m_window(window)
35{
36 wxFAIL_MSG("non-client window DC's are not supported");
37};
38
39wxWindowDC::~wxWindowDC(void)
40{
41};
42
43void wxWindowDC::Clear()
44{
45 wxASSERT(m_window);
46
47 NSGraphicsContext *context = [NSGraphicsContext currentContext];
48 [context saveGraphicsState];
49
50 [m_backgroundBrush.GetNSColor() set];
51 [NSBezierPath fillRect:[m_window->GetNSView() bounds]];
52
53 [context restoreGraphicsState];
54}
55
56/*
57 * wxClientDC
58 */
59IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
60
61wxClientDC::wxClientDC(void)
62{
63};
64
65wxClientDC::wxClientDC( wxWindow *window )
66{
67 m_window = window;
68};
69
70wxClientDC::~wxClientDC(void)
71{
72 CocoaUnwindStackAndLoseFocus();
73};
74
75bool wxClientDC::CocoaLockFocus()
76{
77 wxLogDebug("Locking focus on wxClientDC=%p, NSView=%p",this, m_window->GetNSView());
78 if([m_window->GetNSView() lockFocusIfCanDraw])
79 {
80 sm_cocoaDCStack.Insert(this);
81 m_cocoaFlipped = [m_window->GetNSView() isFlipped];
82 m_cocoaHeight = [m_window->GetNSView() bounds].size.height;
83 CocoaApplyTransformations();
84 return true;
85 }
86 wxLogDebug("focus lock failed!");
87 return false;
88}
89
90bool wxClientDC::CocoaUnlockFocus()
91{
92 wxLogDebug("Unlocking focus on wxClientDC=%p, NSView=%p",this, m_window->GetNSView());
93 [[m_window->GetNSView() window] flushWindow];
94 [m_window->GetNSView() unlockFocus];
95 return true;
96}
97
98/*
99 * wxPaintDC
100 */
101IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
102
103wxPaintDC::wxPaintDC(void)
104{
105};
106
107wxPaintDC::wxPaintDC( wxWindow *window )
108{
109 m_window = window;
110 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");
111 sm_cocoaDCStack.Insert(this);
112 m_cocoaFlipped = [window->GetNSView() isFlipped];
113 m_cocoaHeight = [window->GetNSView() bounds].size.height;
114 CocoaApplyTransformations();
115};
116
117wxPaintDC::~wxPaintDC(void)
118{
119 CocoaUnwindStackAndLoseFocus();
120};
121
122bool wxPaintDC::CocoaLockFocus()
123{
124 wxFAIL_MSG("wxPaintDC cannot be asked to lock focus!");
125 return false;
126}
127
128bool wxPaintDC::CocoaUnlockFocus()
129{
130 // wxPaintDC focus can never be unlocked.
131 return false;
132}
133