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[ 1509599 ] 'Split pickers page in widgets sample' with more icons and rebaking.
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1/////////////////////////////////////////////////////////////////////////////
2// Name: src/msw/icon.cpp
3// Purpose: wxIcon class
4// Author: Julian Smart
5// Modified by: 20.11.99 (VZ): don't derive from wxBitmap any more
6// Created: 04/01/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart
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#ifndef WX_PRECOMP
28 #include "wx/list.h"
29 #include "wx/utils.h"
30 #include "wx/app.h"
31 #include "wx/icon.h"
32 #include "wx/bitmap.h"
33 #include "wx/log.h"
34#endif
35
36#include "wx/msw/private.h"
37
38// ----------------------------------------------------------------------------
39// wxWin macros
40// ----------------------------------------------------------------------------
41
42IMPLEMENT_DYNAMIC_CLASS(wxIcon, wxGDIObject)
43
44// ============================================================================
45// implementation
46// ============================================================================
47
48// ----------------------------------------------------------------------------
49// wxIconRefData
50// ----------------------------------------------------------------------------
51
52void wxIconRefData::Free()
53{
54 if ( m_hIcon )
55 {
56#ifndef __WXMICROWIN__
57 ::DestroyIcon((HICON) m_hIcon);
58#endif
59
60 m_hIcon = 0;
61 }
62}
63
64// ----------------------------------------------------------------------------
65// wxIcon
66// ----------------------------------------------------------------------------
67
68wxIcon::wxIcon(const char bits[], int width, int height)
69{
70 wxBitmap bmp(bits, width, height);
71 CopyFromBitmap(bmp);
72}
73
74wxIcon::wxIcon(const wxString& iconfile,
75 long flags,
76 int desiredWidth,
77 int desiredHeight)
78
79{
80 LoadFile(iconfile, flags, desiredWidth, desiredHeight);
81}
82
83wxIcon::wxIcon(const wxIconLocation& loc)
84{
85 // wxICOFileHandler accepts names in the format "filename;index"
86 wxString fullname = loc.GetFileName();
87 if ( loc.GetIndex() )
88 {
89 fullname << _T(';') << loc.GetIndex();
90 }
91 //else: 0 is default
92
93 LoadFile(fullname, wxBITMAP_TYPE_ICO);
94}
95
96wxIcon::~wxIcon()
97{
98}
99
100wxObjectRefData *wxIcon::CloneRefData(const wxObjectRefData *dataOrig) const
101{
102 const wxIconRefData *
103 data = wx_static_cast(const wxIconRefData *, dataOrig);
104 if ( !data )
105 return NULL;
106
107 // we don't have to copy m_hIcon because we're only called from SetHICON()
108 // which overwrites m_hIcon anyhow currently
109 //
110 // and if we're called from SetWidth/Height/Depth(), it doesn't make sense
111 // to copy it neither as the handle would be inconsistent with the new size
112 return new wxIconRefData(*data);
113}
114
115void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
116{
117#ifndef __WXMICROWIN__
118 HICON hicon = wxBitmapToHICON(bmp);
119 if ( !hicon )
120 {
121 wxLogLastError(wxT("CreateIconIndirect"));
122 }
123 else
124 {
125 SetHICON((WXHICON)hicon);
126 SetSize(bmp.GetWidth(), bmp.GetHeight());
127 }
128#endif // __WXMICROWIN__
129}
130
131void wxIcon::CreateIconFromXpm(const char **data)
132{
133 wxBitmap bmp(data);
134 CopyFromBitmap(bmp);
135}
136
137bool wxIcon::LoadFile(const wxString& filename,
138 long type,
139 int desiredWidth, int desiredHeight)
140{
141 UnRef();
142
143 wxGDIImageHandler *handler = FindHandler(type);
144
145 if ( !handler )
146 {
147 // load via wxBitmap which, in turn, uses wxImage allowing us to
148 // support more formats
149 wxBitmap bmp;
150 if ( !bmp.LoadFile(filename, type) )
151 return false;
152
153 CopyFromBitmap(bmp);
154 return true;
155 }
156
157 return handler->Load(this, filename, type, desiredWidth, desiredHeight);
158}