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e9576ca5 1/////////////////////////////////////////////////////////////////////////////
cc374a2f 2// Name: src/mac/carbon/bmpbuttn.cpp
e9576ca5 3// Purpose: wxBitmapButton
a31a5f85 4// Author: Stefan Csomor
e9576ca5 5// Modified by:
a31a5f85 6// Created: 1998-01-01
e9576ca5 7// RCS-ID: $Id$
a31a5f85 8// Copyright: (c) Stefan Csomor
0bca0373 9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12#include "wx/wxprec.h"
13
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14#if wxUSE_BMPBUTTON
15
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16#include "wx/bmpbuttn.h"
17
cdccdfab 18#ifndef WX_PRECOMP
85313a9a 19 #include "wx/dcmemory.h"
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20#endif
21
e9576ca5 22IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton)
e9576ca5 23
d497dca4 24#include "wx/mac/uma.h"
7c551d95 25
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26//---------------------------------------------------------------------------
27// Helper functions
28
29static wxBitmap wxMakeStdSizeBitmap(const wxBitmap& bitmap)
30{
31 // in Mac OS X the icon controls (which are used for borderless bitmap
32 // buttons) can have only one of the few standard sizes and if they
33 // don't, the OS rescales them automatically resulting in really ugly
34 // images, so centre the image in a square of standard size instead
35
36 // the supported sizes, sorted in decreasng order
37 static const int stdSizes[] = { 128, 48, 32, 16, 0 };
38
39 const int width = bitmap.GetWidth();
40 const int height = bitmap.GetHeight();
41
42 wxBitmap newBmp(bitmap);
43
44 int n;
45 for ( n = 0; n < (int)WXSIZEOF(stdSizes); n++ )
46 {
47 const int sizeStd = stdSizes[n];
48 if ( width > sizeStd || height > sizeStd )
49 {
50 // it will become -1 if the bitmap is larger than the biggest
51 // supported size, this is intentional
52 n--;
53
54 break;
55 }
56 }
57
58 if ( n != -1 )
59 {
60 const int sizeStd = stdSizes[n];
61 if ( width != sizeStd || height != sizeStd )
62 {
63 wxASSERT_MSG( width <= sizeStd && height <= sizeStd,
64 _T("bitmap shouldn't be cropped") );
65
66 newBmp.Create(sizeStd, sizeStd);
67 wxMemoryDC dcMem;
68 dcMem.SelectObject(newBmp);
69 dcMem.Clear();
70
71 dcMem.DrawBitmap(bitmap,
72 (sizeStd - width)/2, (sizeStd-height)/2,
73 true);
74 }
75 }
76 //else: let the system rescale the bitmap
77
78 return newBmp;
79}
80
81//---------------------------------------------------------------------------
82
cc374a2f 83bool wxBitmapButton::Create( wxWindow *parent,
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84 wxWindowID id, const wxBitmap& bitmap,
85 const wxPoint& pos,
86 const wxSize& size,
87 long style,
88 const wxValidator& validator,
89 const wxString& name )
e9576ca5 90{
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91 m_macIsUserPane = false;
92
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93 // since bitmapbuttonbase is subclass of button calling wxBitmapButtonBase::Create
94 // essentially creates an additional button
cc374a2f 95 if ( !wxControl::Create( parent, id, pos, size, style, validator, name ) )
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96 return false;
97
cc374a2f 98 if ( style & wxBU_AUTODRAW )
827e7a48 99 {
cc374a2f 100 m_marginX =
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101 m_marginY = wxDEFAULT_BUTTON_MARGIN;
102 }
103 else
104 {
cc374a2f 105 m_marginX =
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106 m_marginY = 0;
107 }
e9576ca5 108
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109 OSStatus err = noErr;
110 ControlButtonContentInfo info;
111
112 Rect bounds = wxMacGetBoundsForControl( this, pos, size );
113 m_peer = new wxMacControl( this );
d32be04c 114
d24a9fc7 115 if ( bitmap.Ok() && HasFlag(wxBORDER_NONE) )
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116 m_bmpNormal = wxMakeStdSizeBitmap(bitmap);
117 else
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118 m_bmpNormal = bitmap;
119
120
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121 if ( HasFlag( wxBORDER_NONE ) )
122 {
6239ee05 123 // contrary to the docs this control only works with iconrefs
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124 wxMacCreateBitmapButton( &info, m_bmpNormal, kControlContentIconRef );
125 err = CreateIconControl(
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126 MAC_WXHWND(parent->MacGetTopLevelWindowRef()),
127 &bounds, &info, false, m_peer->GetControlRefAddr() );
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128 }
129 else
d32be04c 130 {
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131 wxMacCreateBitmapButton( &info, m_bmpNormal );
132 err = CreateBevelButtonControl(
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133 MAC_WXHWND(parent->MacGetTopLevelWindowRef()), &bounds, CFSTR(""),
134 ((style & wxBU_AUTODRAW) ? kControlBevelButtonSmallBevel : kControlBevelButtonNormalBevel ),
135 kControlBehaviorOffsetContents, &info, 0, 0, 0, m_peer->GetControlRefAddr() );
d32be04c 136 }
e9576ca5 137
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138 verify_noerr( err );
139
140 wxMacReleaseBitmapButton( &info );
141 wxASSERT_MSG( m_peer != NULL && m_peer->Ok(), wxT("No valid native Mac control") );
142
143 MacPostControlCreate( pos, size );
144
145 return true;
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146}
147
cc374a2f 148void wxBitmapButton::SetBitmapLabel( const wxBitmap& bitmap )
e9576ca5 149{
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150 if ( HasFlag( wxBORDER_NONE ) )
151 m_bmpNormal = wxMakeStdSizeBitmap(bitmap);
152 else
153 m_bmpNormal = bitmap;
154
9f884528 155 InvalidateBestSize();
3dec57ad 156
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157 ControlButtonContentInfo info;
158
d32be04c 159 if ( HasFlag( wxBORDER_NONE ) )
fde5da31 160 {
cc374a2f 161 wxMacCreateBitmapButton( &info, m_bmpNormal, kControlContentIconRef );
d32be04c 162 if ( info.contentType != kControlNoContent )
cc374a2f 163 m_peer->SetData( kControlIconPart, kControlIconContentTag, info );
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164 }
165 else
d460ed40 166 {
cc374a2f 167 wxMacCreateBitmapButton( &info, m_bmpNormal );
d32be04c 168 if ( info.contentType != kControlNoContent )
cc374a2f 169 m_peer->SetData( kControlButtonPart, kControlBevelButtonContentTag, info );
3dec57ad 170 }
e9576ca5 171
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172 wxMacReleaseBitmapButton( &info );
173}
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174
175wxSize wxBitmapButton::DoGetBestSize() const
176{
177 wxSize best;
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178
179 best.x = 2 * m_marginX;
180 best.y = 2 * m_marginY;
181 if ( m_bmpNormal.Ok() )
c0831a3c 182 {
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183 best.x += m_bmpNormal.GetWidth();
184 best.y += m_bmpNormal.GetHeight();
c0831a3c 185 }
cc374a2f 186
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187 return best;
188}
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189
190#endif