globally renamed uint to size_t. This has _not_ been checked under Windows,
[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
9// Licence: wxWindows license
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "statbmp.h"
14#endif
15
16// For compilers that support precompilation, includes "wx.h".
17#include "wx/wxprec.h"
18
19#ifdef __BORLANDC__
20#pragma hdrstop
21#endif
22
23#ifndef WX_PRECOMP
24#include "wx/statbmp.h"
25#endif
26
27#include <stdio.h>
28#include "wx/msw/private.h"
29
30#if !USE_SHARED_LIBRARY
31IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl)
32#endif
33
34/*
35 * wxStaticBitmap
36 */
37
debe6624 38bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id,
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39 const wxBitmap& bitmap,
40 const wxPoint& pos,
41 const wxSize& size,
debe6624 42 long style,
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43 const wxString& name)
44{
45 m_messageBitmap = bitmap;
46 SetName(name);
47 if (parent) parent->AddChild(this);
48
49 m_backgroundColour = parent->GetDefaultBackgroundColour() ;
50 m_foregroundColour = parent->GetDefaultForegroundColour() ;
51
52 if ( id == -1 )
53 m_windowId = (int)NewControlId();
54 else
55 m_windowId = id;
56
57 int x = pos.x;
58 int y = pos.y;
59 int width = size.x;
60 int height = size.y;
61
62 if ( width < 0 && bitmap.Ok() )
63 width = bitmap.GetWidth();
64 if ( height < 0 && bitmap.Ok() )
65 height = bitmap.GetHeight();
66
67 m_windowStyle = style;
68
69 // Use an ownerdraw button to produce a static bitmap, since there's
70 // no ownerdraw static.
71 // TODO: perhaps this should be a static item, with style SS_BITMAP.
72 HWND static_item =
73 CreateWindowEx(0, "BUTTON", "", BS_OWNERDRAW | WS_TABSTOP | WS_CHILD,
74 0, 0, 0, 0, (HWND) parent->GetHWND(), (HMENU)m_windowId,
75 wxGetInstance(), NULL);
76 m_hWnd = (WXHWND) static_item;
77
78 // Subclass again for purposes of dialog editing mode
79 SubclassWin((WXHWND) static_item);
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80
81 SetFont(* GetParent()->GetFont());
82
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83 SetSize(x, y, width, height);
84 return TRUE;
85}
86
debe6624 87void wxStaticBitmap::SetSize(int x, int y, int width, int height, int sizeFlags)
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88{
89 int currentX, currentY;
90 GetPosition(&currentX, &currentY);
91 int x1 = x;
92 int y1 = y;
93
94 if (x == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
95 x1 = currentX;
96 if (y == -1 || (sizeFlags & wxSIZE_ALLOW_MINUS_ONE))
97 y1 = currentY;
98
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99 AdjustForParentClientOrigin(x1, y1, sizeFlags);
100
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101 int actualWidth = width;
102 int actualHeight = height;
103
104 int ww, hh;
105 GetSize(&ww, &hh);
106
107 // If we're prepared to use the existing width, then...
108 if (width == -1 && ((sizeFlags & wxSIZE_AUTO_WIDTH) != wxSIZE_AUTO_WIDTH))
109 actualWidth = ww;
110 else actualWidth = width;
111
112 // If we're prepared to use the existing height, then...
113 if (height == -1 && ((sizeFlags & wxSIZE_AUTO_HEIGHT) != wxSIZE_AUTO_HEIGHT))
114 actualHeight = hh;
115 else actualHeight = height;
116
117 MoveWindow((HWND) GetHWND(), x1, y1, actualWidth, actualHeight, TRUE);
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118}
119
120void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap)
121{
122 m_messageBitmap = bitmap;
123
124 int x, y;
125 int w, h;
126 GetPosition(&x, &y);
127 GetSize(&w, &h);
128 RECT rect;
129 rect.left = x; rect.top = y; rect.right = x + w; rect.bottom = y + h;
130
131 if ( bitmap.Ok() )
132 MoveWindow((HWND) GetHWND(), x, y, bitmap.GetWidth(), bitmap.GetHeight(),
133 FALSE);
134
135 InvalidateRect((HWND) GetParent()->GetHWND(), &rect, TRUE);
136}
137
138bool wxStaticBitmap::MSWOnDraw(WXDRAWITEMSTRUCT *item)
139{
140 long style = GetWindowLong((HWND) GetHWND(), GWL_STYLE);
141#ifdef __WIN32__
142 if ((style & 0xFF) == SS_BITMAP)
143 {
144 // Should we call Default() here?
145// Default();
146
147 // Let default procedure draw the bitmap, which is defined
148 // in the Windows resource.
149 return FALSE;
150 }
151#endif
152
153 LPDRAWITEMSTRUCT lpDIS = (LPDRAWITEMSTRUCT) item;
154
155 wxBitmap* bitmap = &m_messageBitmap;
156 if ( !bitmap->Ok() )
157 return FALSE;
158
159 HDC hDC = lpDIS->hDC;
160 HDC memDC = ::CreateCompatibleDC(hDC);
161
c4e7c2aa 162 HBITMAP old = (HBITMAP) ::SelectObject(memDC, (HBITMAP) bitmap->GetHBITMAP());
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163
164 if (!old)
165 return FALSE;
166
167 RECT rect = lpDIS->rcItem;
168
169 int x = lpDIS->rcItem.left;
170 int y = lpDIS->rcItem.top;
171 int width = lpDIS->rcItem.right - x;
172 int height = lpDIS->rcItem.bottom - y;
173
174 // Centre the bitmap in the control area
175 int x1 = (int) (x + ((width - bitmap->GetWidth()) / 2));
176 int y1 = (int) (y + ((height - bitmap->GetHeight()) / 2));
177
178 ::BitBlt(hDC, x1, y1, bitmap->GetWidth(), bitmap->GetHeight(), memDC, 0, 0, SRCCOPY);
179
180 ::SelectObject(memDC, old);
181
182 ::DeleteDC(memDC);
183
184 return TRUE;
185}
186
187long wxStaticBitmap::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
188{
189 // Ensure that static items get messages. Some controls don't like this
190 // message to be intercepted (e.g. RichEdit), hence the tests.
191 if (nMsg == WM_NCHITTEST)
192 return (long)HTCLIENT;
193
194 return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
195}
196