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Use IsOk() instead of Ok()
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/mac/carbon/overlay.cpp
3// Purpose: common wxOverlay code
4// Author: Stefan Csomor
5// Modified by:
6// Created: 2006-10-20
7// RCS-ID: $Id$
8// Copyright: (c) wxWidgets team
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
19
20// For compilers that support precompilation, includes "wx.h".
21#include "wx/wxprec.h"
22
23#ifdef __BORLANDC__
24 #pragma hdrstop
25#endif
26
27#include "wx/overlay.h"
28
29#ifndef WX_PRECOMP
30 #include "wx/dcclient.h"
31#endif
32
33#include "wx/private/overlay.h"
34
35#ifdef wxHAS_NATIVE_OVERLAY
36
37// ============================================================================
38// implementation
39// ============================================================================
40
41wxOverlayImpl::wxOverlayImpl()
42{
43 m_window = NULL ;
44 m_overlayContext = NULL ;
45 m_overlayWindow = NULL ;
46}
47
48wxOverlayImpl::~wxOverlayImpl()
49{
50 Reset();
51}
52
53bool wxOverlayImpl::IsOk()
54{
55 return m_overlayWindow != NULL ;
56}
57
58void wxOverlayImpl::MacGetBounds( Rect *bounds )
59{
60 int x, y;
61 x=y=0;
62 m_window->MacWindowToRootWindow( &x , &y ) ;
63 WindowRef window = (WindowRef) m_window->MacGetTopLevelWindowRef() ;
64
65 Point localwhere = { y, x };
66 wxMacLocalToGlobal( window, &localwhere ) ;
67
68 bounds->top = localwhere.v+m_y;
69 bounds->left = localwhere.h+m_x;
70 bounds->bottom = localwhere.v+m_y+m_height;
71 bounds->right = localwhere.h+m_x+m_width;
72}
73
74OSStatus wxOverlayImpl::CreateOverlayWindow()
75{
76 OSStatus err;
77
78 WindowAttributes overlayAttributes = kWindowIgnoreClicksAttribute;
79
80 if ( m_window )
81 {
82 m_overlayParentWindow =(WindowRef) m_window->MacGetTopLevelWindowRef();
83
84 Rect bounds ;
85 MacGetBounds(&bounds);
86 err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, &m_overlayWindow );
87 if ( err == noErr )
88 {
89 SetWindowGroup( m_overlayWindow, GetWindowGroup(m_overlayParentWindow)); // Put them in the same group so that their window layers are consistent
90 }
91 }
92 else
93 {
94 m_overlayParentWindow = NULL ;
95 CGRect cgbounds ;
96 cgbounds = CGDisplayBounds(CGMainDisplayID());
97 Rect bounds;
98 bounds.top = (short)cgbounds.origin.y;
99 bounds.left = (short)cgbounds.origin.x;
100 bounds.bottom = (short)(bounds.top + cgbounds.size.height);
101 bounds.right = (short)(bounds.left + cgbounds.size.width);
102 err = CreateNewWindow( kOverlayWindowClass, overlayAttributes, &bounds, &m_overlayWindow );
103 }
104 ShowWindow(m_overlayWindow);
105 return err;
106}
107
108void wxOverlayImpl::Init( wxWindowDC* dc, int x , int y , int width , int height )
109{
110 wxASSERT_MSG( !IsOk() , _("You cannot Init an overlay twice") );
111
112 m_window = dc->GetWindow();
113 m_x = x ;
114 m_y = y ;
115 if ( dc->IsKindOf( CLASSINFO( wxClientDC ) ))
116 {
117 wxPoint origin = m_window->GetClientAreaOrigin();
118 m_x += origin.x;
119 m_y += origin.y;
120 }
121 m_width = width ;
122 m_height = height ;
123
124 OSStatus err = CreateOverlayWindow();
125 wxASSERT_MSG( err == noErr , _("Couldn't create the overlay window") );
126#ifndef __LP64__
127 err = QDBeginCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
128#endif
129 CGContextTranslateCTM( m_overlayContext, 0, m_height );
130 CGContextScaleCTM( m_overlayContext, 1, -1 );
131 CGContextTranslateCTM( m_overlayContext, -m_x , -m_y );
132 wxASSERT_MSG( err == noErr , _("Couldn't init the context on the overlay window") );
133}
134
135void wxOverlayImpl::BeginDrawing( wxWindowDC* dc)
136{
137 wxDCImpl *impl = dc->GetImpl();
138 wxWindowDCImpl *win_impl = wxDynamicCast(impl,wxWindowDCImpl);
139 if (win_impl)
140 {
141 win_impl->SetGraphicsContext( wxGraphicsContext::CreateFromNative( m_overlayContext ) );
142 wxSize size = dc->GetSize() ;
143 dc->SetClippingRegion( 0 , 0 , size.x , size.y ) ;
144 }
145}
146
147void wxOverlayImpl::EndDrawing( wxWindowDC* dc)
148{
149 wxDCImpl *impl = dc->GetImpl();
150 wxWindowDCImpl *win_impl = wxDynamicCast(impl,wxWindowDCImpl);
151 if (win_impl)
152 win_impl->SetGraphicsContext(NULL);
153
154 CGContextFlush( m_overlayContext );
155}
156
157void wxOverlayImpl::Clear(wxWindowDC* WXUNUSED(dc))
158{
159 wxASSERT_MSG( IsOk() , _("You cannot Clear an overlay that is not inited") );
160 CGRect box = CGRectMake( m_x - 1, m_y - 1 , m_width + 2 , m_height + 2 );
161 CGContextClearRect( m_overlayContext, box );
162}
163
164void wxOverlayImpl::Reset()
165{
166 if ( m_overlayContext )
167 {
168#ifndef __LP64__
169 OSStatus err = QDEndCGContext(GetWindowPort(m_overlayWindow), &m_overlayContext);
170 wxASSERT_MSG( err == noErr , _("Couldn't end the context on the overlay window") );
171#endif
172 m_overlayContext = NULL ;
173 }
174
175 // todo : don't dispose, only hide and reposition on next run
176 if (m_overlayWindow)
177 {
178 DisposeWindow(m_overlayWindow);
179 m_overlayWindow = NULL ;
180 }
181}
182
183#endif // wxHAS_NATIVE_OVERLAY