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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: statbmp.cpp | |
3 | // Purpose: wxStaticBitmap | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 17/09/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
13 | #pragma implementation "statbmp.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/defs.h" | |
17 | ||
18 | #include "wx/statbmp.h" | |
19 | ||
20 | #ifdef __VMS__ | |
21 | #pragma message disable nosimpint | |
22 | #endif | |
23 | #include <Xm/Xm.h> | |
24 | #include <Xm/Label.h> | |
25 | #include <Xm/LabelG.h> | |
26 | #ifdef __VMS__ | |
27 | #pragma message enable nosimpint | |
28 | #endif | |
29 | ||
30 | #include "wx/motif/private.h" | |
31 | ||
32 | IMPLEMENT_DYNAMIC_CLASS(wxStaticBitmap, wxControl) | |
33 | ||
34 | /* | |
35 | * wxStaticBitmap | |
36 | */ | |
37 | ||
38 | bool wxStaticBitmap::Create(wxWindow *parent, wxWindowID id, | |
39 | const wxBitmap& bitmap, | |
40 | const wxPoint& pos, | |
41 | const wxSize& size, | |
42 | long style, | |
43 | const wxString& name) | |
44 | { | |
45 | if( !CreateControl( parent, id, pos, size, style, wxDefaultValidator, | |
46 | name ) ) | |
47 | return false; | |
48 | ||
49 | m_messageBitmap = bitmap; | |
50 | m_messageBitmapOriginal = bitmap; | |
51 | ||
52 | Widget parentWidget = (Widget) parent->GetClientWidget(); | |
53 | ||
54 | m_mainWidget = (WXWidget) XtVaCreateManagedWidget ("staticBitmap", | |
55 | #if USE_GADGETS | |
56 | xmLabelGadgetClass, parentWidget, | |
57 | #else | |
58 | xmLabelWidgetClass, parentWidget, | |
59 | #endif | |
60 | XmNalignment, XmALIGNMENT_BEGINNING, | |
61 | NULL); | |
62 | ||
63 | ChangeBackgroundColour (); | |
64 | ||
65 | DoSetBitmap(); | |
66 | ||
67 | ChangeFont(FALSE); | |
68 | ||
69 | wxSize actualSize(size); | |
70 | // work around the cases where the bitmap is a wxNull(Icon/Bitmap) | |
71 | if (actualSize.x == -1) | |
72 | actualSize.x = bitmap.Ok() ? bitmap.GetWidth() : 1; | |
73 | if (actualSize.y == -1) | |
74 | actualSize.y = bitmap.Ok() ? bitmap.GetHeight() : 1; | |
75 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, | |
76 | pos.x, pos.y, actualSize.x, actualSize.y); | |
77 | ||
78 | return true; | |
79 | } | |
80 | ||
81 | wxStaticBitmap::~wxStaticBitmap() | |
82 | { | |
83 | SetBitmap(wxNullBitmap); | |
84 | } | |
85 | ||
86 | void wxStaticBitmap::DoSetBitmap() | |
87 | { | |
88 | Widget widget = (Widget) m_mainWidget; | |
89 | int w2, h2; | |
90 | ||
91 | if (m_messageBitmapOriginal.Ok()) | |
92 | { | |
93 | w2 = m_messageBitmapOriginal.GetWidth(); | |
94 | h2 = m_messageBitmapOriginal.GetHeight(); | |
95 | ||
96 | Pixmap pixmap; | |
97 | ||
98 | // Must re-make the bitmap to have its transparent areas drawn | |
99 | // in the current widget background colour. | |
100 | if (m_messageBitmapOriginal.GetMask()) | |
101 | { | |
102 | int backgroundPixel; | |
103 | XtVaGetValues( widget, XmNbackground, &backgroundPixel, | |
104 | NULL); | |
105 | ||
106 | wxColour col; | |
107 | col.SetPixel(backgroundPixel); | |
108 | ||
109 | wxBitmap newBitmap = wxCreateMaskedBitmap(m_messageBitmapOriginal, col); | |
110 | m_messageBitmap = newBitmap; | |
111 | ||
112 | pixmap = (Pixmap) m_messageBitmap.GetDrawable(); | |
113 | } | |
114 | else | |
115 | { | |
116 | m_bitmapCache.SetBitmap( m_messageBitmap ); | |
117 | pixmap = (Pixmap)m_bitmapCache.GetLabelPixmap(widget); | |
118 | } | |
119 | ||
120 | XtVaSetValues (widget, | |
121 | XmNlabelPixmap, pixmap, | |
122 | XmNlabelType, XmPIXMAP, | |
123 | NULL); | |
124 | ||
125 | SetSize(w2, h2); | |
126 | } | |
127 | else | |
128 | { | |
129 | // Null bitmap: must not use current pixmap | |
130 | // since it is no longer valid. | |
131 | XtVaSetValues (widget, | |
132 | XmNlabelType, XmSTRING, | |
133 | XmNlabelPixmap, XmUNSPECIFIED_PIXMAP, | |
134 | NULL); | |
135 | } | |
136 | } | |
137 | ||
138 | void wxStaticBitmap::SetBitmap(const wxBitmap& bitmap) | |
139 | { | |
140 | m_messageBitmap = bitmap; | |
141 | m_messageBitmapOriginal = bitmap; | |
142 | ||
143 | DoSetBitmap(); | |
144 | } | |
145 | ||
146 | void wxStaticBitmap::ChangeBackgroundColour() | |
147 | { | |
148 | wxWindow::ChangeBackgroundColour(); | |
149 | ||
150 | // must recalculate the background colour | |
151 | m_bitmapCache.SetColoursChanged(); | |
152 | DoSetBitmap(); | |
153 | } | |
154 | ||
155 | void wxStaticBitmap::ChangeForegroundColour() | |
156 | { | |
157 | m_bitmapCache.SetColoursChanged(); | |
158 | wxWindow::ChangeForegroundColour(); | |
159 | } | |
160 |