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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/os2/statbmp.cpp | |
3 | // Purpose: wxStaticBitmap | |
4 | // Author: David Webster | |
5 | // Modified by: | |
6 | // Created: 11/27/99 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) David Webster | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // For compilers that support precompilation, includes "wx.h". | |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #include "wx/statbmp.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/icon.h" | |
19 | #include "wx/window.h" | |
20 | #include "wx/dcclient.h" | |
21 | #endif | |
22 | ||
23 | #include "wx/os2/private.h" | |
24 | ||
25 | #include <stdio.h> | |
26 | ||
27 | // --------------------------------------------------------------------------- | |
28 | // macros | |
29 | // --------------------------------------------------------------------------- | |
30 | ||
31 | BEGIN_EVENT_TABLE(wxStaticBitmap, wxWindow) | |
32 | EVT_PAINT(wxStaticBitmap::OnPaint) | |
33 | END_EVENT_TABLE() | |
34 | ||
35 | static wxGDIImage* ConvertImage( | |
36 | const wxGDIImage& rBitmap | |
37 | ) | |
38 | { | |
39 | bool bIsIcon = rBitmap.IsKindOf( CLASSINFO(wxIcon) ); | |
40 | ||
41 | if(!bIsIcon ) | |
42 | { | |
43 | wxASSERT_MSG( wxDynamicCast(&rBitmap, wxBitmap), | |
44 | wxT("not an icon and not a bitmap?") ); | |
45 | ||
46 | const wxBitmap& rBmp = (const wxBitmap&)rBitmap; | |
47 | wxMask* pMask = rBmp.GetMask(); | |
48 | ||
49 | if (pMask && pMask->GetMaskBitmap()) | |
50 | { | |
51 | wxIcon* pIcon = new wxIcon; | |
52 | ||
53 | pIcon->CopyFromBitmap(rBmp); | |
54 | return pIcon; | |
55 | } | |
56 | return new wxBitmap(rBmp); | |
57 | } | |
58 | ||
59 | // copying a bitmap is a cheap operation | |
60 | return new wxIcon( (const wxIcon&)rBitmap ); | |
61 | } // end of ConvertImage | |
62 | ||
63 | // --------------------------------------------------------------------------- | |
64 | // wxStaticBitmap | |
65 | // --------------------------------------------------------------------------- | |
66 | ||
67 | bool wxStaticBitmap::Create( wxWindow* pParent, | |
68 | wxWindowID nId, | |
69 | const wxGDIImage& rBitmap, | |
70 | const wxPoint& rPos, | |
71 | const wxSize& WXUNUSED(rSize), | |
72 | long lStyle, | |
73 | const wxString& rName ) | |
74 | { | |
75 | ERRORID vError; | |
76 | wxString sError; | |
77 | ||
78 | Init(); | |
79 | ||
80 | SetName(rName); | |
81 | if (pParent) | |
82 | pParent->AddChild(this); | |
83 | ||
84 | if (nId == -1) | |
85 | m_windowId = (int)NewControlId(); | |
86 | else | |
87 | m_windowId = nId; | |
88 | ||
89 | m_windowStyle = lStyle; | |
90 | ||
91 | int nX= rPos.x; | |
92 | int nY = rPos.y; | |
93 | char zId[16]; | |
94 | ||
95 | m_windowStyle = lStyle; | |
96 | ||
97 | m_bIsIcon = rBitmap.IsKindOf(CLASSINFO(wxIcon)); | |
98 | ||
99 | // | |
100 | // For now we only support an ICON | |
101 | // | |
102 | int nWinstyle = SS_ICON; | |
103 | ||
104 | m_hWnd = (WXHWND)::WinCreateWindow( pParent->GetHWND() | |
105 | ,(PSZ)wxCanvasClassName | |
106 | ,zId | |
107 | ,nWinstyle | WS_VISIBLE | |
108 | ,0,0,0,0 | |
109 | ,pParent->GetHWND() | |
110 | ,HWND_TOP | |
111 | ,m_windowId | |
112 | ,NULL | |
113 | ,NULL | |
114 | ); | |
115 | if (!m_hWnd) | |
116 | { | |
117 | vError = ::WinGetLastError(wxGetInstance()); | |
118 | sError = wxPMErrorToStr(vError); | |
119 | return false; | |
120 | } | |
121 | wxCHECK_MSG( m_hWnd, false, wxT("Failed to create static bitmap") ); | |
122 | m_pImage = ConvertImage(rBitmap); | |
123 | ::WinSendMsg( m_hWnd, | |
124 | SM_SETHANDLE, | |
125 | MPFROMHWND(rBitmap.GetHandle()), | |
126 | (MPARAM)0); | |
127 | ||
128 | // Subclass again for purposes of dialog editing mode | |
129 | SubclassWin(m_hWnd); | |
130 | SetSize(nX, nY, m_pImage->GetWidth(), m_pImage->GetHeight()); | |
131 | ||
132 | return true; | |
133 | } // end of wxStaticBitmap::Create | |
134 | ||
135 | bool wxStaticBitmap::ImageIsOk() const | |
136 | { | |
137 | return(m_pImage && m_pImage->Ok()); | |
138 | } | |
139 | ||
140 | void wxStaticBitmap::Free() | |
141 | { | |
142 | wxDELETE(m_pImage); | |
143 | } // end of wxStaticBitmap::Free | |
144 | ||
145 | wxSize wxStaticBitmap::DoGetBestSize() const | |
146 | { | |
147 | // | |
148 | // Reuse the current size (as wxWindow does) instead of using some | |
149 | // arbitrary default size (as wxControl, our immediate base class, does) | |
150 | // | |
151 | return wxWindow::DoGetBestSize(); | |
152 | } | |
153 | ||
154 | void wxStaticBitmap::OnPaint ( wxPaintEvent& WXUNUSED(rEvent) ) | |
155 | { | |
156 | wxPaintDC vDc(this); | |
157 | wxBitmap* pBitmap; | |
158 | ||
159 | if (m_pImage->IsKindOf(CLASSINFO(wxIcon))) | |
160 | { | |
161 | wxIcon* pIcon; | |
162 | ||
163 | pIcon = wxDynamicCast(m_pImage, wxIcon); | |
164 | pBitmap = new wxBitmap(*pIcon); | |
165 | vDc.DrawBitmap(*pBitmap, 0, 0); | |
166 | delete pBitmap; | |
167 | } | |
168 | else | |
169 | { | |
170 | pBitmap = wxDynamicCast(m_pImage, wxBitmap); | |
171 | vDc.DrawBitmap(*pBitmap, 0, 0); | |
172 | } | |
173 | } // end of wxStaticBitmap::OnPaint | |
174 | ||
175 | void wxStaticBitmap::SetImage( const wxGDIImage& rBitmap ) | |
176 | { | |
177 | int nX = 0; | |
178 | int nY = 0; | |
179 | int nWidth = 0; | |
180 | int nHeight = 0; | |
181 | ||
182 | Free(); | |
183 | ::WinSendMsg( GetHwnd() | |
184 | ,SM_SETHANDLE | |
185 | ,MPFROMHWND(rBitmap.GetHandle()) | |
186 | ,NULL | |
187 | ); | |
188 | m_pImage = ConvertImage(rBitmap); | |
189 | ||
190 | GetPosition(&nX, &nY); | |
191 | GetSize(&nWidth, &nHeight); | |
192 | // Convert to OS/2 coordinate system | |
193 | nY = wxWindow::GetOS2ParentHeight(GetParent()) - nY - nHeight; | |
194 | ||
195 | RECTL vRect; | |
196 | ||
197 | vRect.xLeft = nX; | |
198 | vRect.yTop = nY + nHeight; | |
199 | vRect.xRight = nX + nWidth; | |
200 | vRect.yBottom = nY; | |
201 | ||
202 | ::WinInvalidateRect(GetHwndOf(GetParent()), &vRect, TRUE); | |
203 | } | |
204 | ||
205 | MRESULT wxStaticBitmap::OS2WindowProc( | |
206 | WXUINT uMsg | |
207 | , WXWPARAM wParam | |
208 | , WXLPARAM lParam | |
209 | ) | |
210 | { | |
211 | return wxWindow::OS2WindowProc(uMsg, wParam, lParam); | |
212 | } // end of wxStaticBitmap::OS2WindowProc |