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[wxWidgets.git] / src / msw / statbmp.cpp
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1/////////////////////////////////////////////////////////////////////////////
2// Name: statbmp.cpp
3// Purpose: wxStaticBitmap
4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart and Markus Holzem
fd3f686c 9// Licence: wxWindows license
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10/////////////////////////////////////////////////////////////////////////////
11
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12// ===========================================================================
13// declarations
14// ===========================================================================
15
16// ---------------------------------------------------------------------------
17// headers
18// ---------------------------------------------------------------------------
19
2bda0e17 20#ifdef __GNUG__
9e3e0821 21 #pragma implementation "statbmp.h"
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22#endif
23
24// For compilers that support precompilation, includes "wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
9e3e0821 28 #pragma hdrstop
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29#endif
30
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31#include "wx/window.h"
32#include "wx/msw/private.h"
33
2bda0e17 34#ifndef WX_PRECOMP
0c589ad0 35 #include "wx/icon.h"
9e3e0821 36 #include "wx/statbmp.h"
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37#endif
38
39#include <stdio.h>
2bda0e17 40
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41// ---------------------------------------------------------------------------
42// macors
43// ---------------------------------------------------------------------------
44
2bda0e17 45#if !USE_SHARED_LIBRARY
9e3e0821 46 IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl)
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47#endif
48
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49// ===========================================================================
50// implementation
51// ===========================================================================
52
53// ---------------------------------------------------------------------------
54// wxStaticBitmap
55// ---------------------------------------------------------------------------
2bda0e17 56
debe6624 57bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id,
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58 const wxBitmap& bitmap,
59 const wxPoint& pos,
60 const wxSize& size,
61 long style,
62 const wxString& name)
2bda0e17 63{
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64 Init();
65
66 SetName(name);
67 if (parent)
68 parent->AddChild(this);
69
70 m_backgroundColour = parent->GetBackgroundColour() ;
71 m_foregroundColour = parent->GetForegroundColour() ;
72
73 if ( id == -1 )
74 m_windowId = (int)NewControlId();
75 else
76 m_windowId = id;
77
78 int x = pos.x;
79 int y = pos.y;
80 int width = size.x;
81 int height = size.y;
82
83 m_windowStyle = style;
84
85 m_isIcon = bitmap.IsKindOf(CLASSINFO(wxIcon));
86
87#ifdef __WIN32__
88 // create a static control with either SS_BITMAP or SS_ICON style depending
89 // on what we have here
90 const char *classname = "STATIC";
91 int winstyle = m_isIcon ? SS_ICON : SS_BITMAP;
92#else // Win16
93 const char *classname = "BUTTON";
58a33cb4 94 int winstyle = BS_OWNERDRAW;
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95#endif // Win32
96
97 m_hWnd = (WXHWND)::CreateWindow
98 (
99 classname,
100 "",
101 winstyle | WS_CHILD | WS_VISIBLE,
102 0, 0, 0, 0,
103 (HWND)parent->GetHWND(),
104 (HMENU)m_windowId,
105 wxGetInstance(),
106 NULL
107 );
108
109 wxCHECK_MSG( m_hWnd, FALSE, "Failed to create static bitmap" );
110
111 SetBitmap(bitmap);
112
113 // Subclass again for purposes of dialog editing mode
114 SubclassWin(m_hWnd);
115
116 SetFont(GetParent()->GetFont());
117
118 SetSize(x, y, width, height);
119
120 return TRUE;
121}
122
123bool wxStaticBitmap::ImageIsOk() const
124{
125 if ( m_isIcon && m_image.icon )
126 return m_image.icon->Ok();
127 else if ( m_image.bitmap )
128 return m_image.bitmap->Ok();
129 else
130 return FALSE;
131}
132
133void wxStaticBitmap::Free()
134{
135 if ( m_isIcon )
136 delete m_image.icon;
137 else
138 delete m_image.bitmap;
139
140 m_image.icon = NULL;
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141}
142
bfc6fde4 143void wxStaticBitmap::DoSetSize(int x, int y, int width, int height, int sizeFlags)
2bda0e17 144{
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145 int currentX, currentY;
146 GetPosition(&currentX, &currentY);
147 int x1 = x;
148 int y1 = y;
2bda0e17 149
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150 if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
151 x1 = currentX;
152 if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
153 y1 = currentY;
2bda0e17 154
9e3e0821 155 AdjustForParentClientOrigin(x1, y1, sizeFlags);
81d66cf3 156
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157 int actualWidth = width;
158 int actualHeight = height;
2bda0e17 159
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160 int ww, hh;
161 GetSize(&ww, &hh);
2bda0e17 162
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163 // If we're prepared to use the existing width, then...
164 if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH))
165 actualWidth = ww;
166 else
167 actualWidth = width;
2bda0e17 168
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169 // If we're prepared to use the existing height, then...
170 if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT))
171 actualHeight = hh;
172 else
173 actualHeight = height;
2bda0e17 174
9e3e0821 175 MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE);
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176}
177
178void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap)
179{
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180 Free();
181
182 m_isIcon = bitmap.IsKindOf(CLASSINFO(wxIcon));
183 if ( m_isIcon )
184 m_image.icon = new wxIcon((const wxIcon&)bitmap);
185 else
186 m_image.bitmap = new wxBitmap(bitmap);
187
188 int x, y;
189 int w, h;
190 GetPosition(&x, &y);
191 GetSize(&w, &h);
192 RECT rect = { x, y, x + w, y + h };
193
194#ifdef __WIN32__
195 HANDLE handle = m_isIcon ? (HANDLE)m_image.icon->GetHICON()
196 : (HANDLE)m_image.bitmap->GetHBITMAP();
197 ::SendMessage((HWND)m_hWnd, STM_SETIMAGE,
198 m_isIcon ? IMAGE_ICON : IMAGE_BITMAP, (LPARAM)handle);
199#endif // Win32
200
201 if ( ImageIsOk() )
202 {
203 int width = bitmap.GetWidth(),
204 height = bitmap.GetHeight();
205 if ( width && height )
206 {
207 ::MoveWindow((HWND)GetHWND(), x, y, width, height, FALSE);
208 }
209 }
210
211 InvalidateRect((HWND)GetParent()->GetHWND(), &rect, TRUE);
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212}
213
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214// under Win32 we use the standard static control style for this
215#ifdef __WIN16__
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216bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item)
217{
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218 LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
219
9e3e0821 220 wxBitmap* bitmap = m_image.bitmap;
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221 if ( !bitmap->Ok() )
222 return FALSE;
2bda0e17 223
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224 HDC hDC = lpDIS->hDC;
225 HDC memDC = ::CreateCompatibleDC(hDC);
2bda0e17 226
fd3f686c 227 HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP());
2bda0e17 228
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229 if (!old)
230 return FALSE;
2bda0e17 231
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232 int x = lpDIS->rcItem.left;
233 int y = lpDIS->rcItem.top;
234 int width = lpDIS->rcItem.right - x;
235 int height = lpDIS->rcItem.bottom - y;
2bda0e17 236
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237 // Centre the bitmap in the control area
238 int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2));
239 int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2));
2bda0e17 240
fd3f686c 241 ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY);
2bda0e17 242
fd3f686c 243 ::SelectObject(memDC, old);
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244
245 ::DeleteDC(memDC);
246
247 return TRUE;
248}
249
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250long wxStaticBitmap::MSWWindowProc(WXUINT nMsg,
251 WXWPARAM wParam,
252 WXLPARAM lParam)
2bda0e17 253{
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254 // Ensure that static items get messages. Some controls don't like this
255 // message to be intercepted (e.g. RichEdit), hence the tests.
256 if ( nMsg == WM_NCHITTEST )
257 return (long)HTCLIENT;
2bda0e17 258
9e3e0821 259 return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
2bda0e17 260}
9e3e0821 261#endif // Win16