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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: bmpbuttn.cpp | |
3 | // Purpose: wxBitmapButton | |
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 | #ifdef __GNUG__ | |
13 | #pragma implementation "bmpbuttn.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/bmpbuttn.h" | |
17 | ||
18 | #ifdef __VMS__ | |
19 | #pragma message disable nosimpint | |
20 | #endif | |
21 | #include <Xm/PushBG.h> | |
22 | #include <Xm/PushB.h> | |
23 | #ifdef __VMS__ | |
24 | #pragma message enable nosimpint | |
25 | #endif | |
26 | ||
27 | #include "wx/motif/private.h" | |
28 | ||
29 | // Implemented in button.cpp | |
30 | void wxButtonCallback (Widget w, XtPointer clientData, XtPointer ptr); | |
31 | ||
32 | Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap ); | |
33 | ||
34 | IMPLEMENT_DYNAMIC_CLASS(wxBitmapButton, wxButton) | |
35 | ||
36 | wxBitmapButton::wxBitmapButton() | |
37 | { | |
38 | m_marginX = wxDEFAULT_BUTTON_MARGIN; m_marginY = wxDEFAULT_BUTTON_MARGIN; | |
39 | m_insensPixmap = (WXPixmap) 0; | |
40 | } | |
41 | ||
42 | bool wxBitmapButton::Create(wxWindow *parent, wxWindowID id, const wxBitmap& bitmap, | |
43 | const wxPoint& pos, | |
44 | const wxSize& size, long style, | |
45 | const wxValidator& validator, | |
46 | const wxString& name) | |
47 | { | |
48 | m_buttonBitmap = bitmap; | |
49 | m_buttonBitmapOriginal = bitmap; | |
50 | m_buttonBitmapSelected = bitmap; | |
51 | m_buttonBitmapSelectedOriginal = bitmap; | |
52 | ||
53 | SetName(name); | |
54 | SetValidator(validator); | |
55 | parent->AddChild(this); | |
56 | ||
57 | m_backgroundColour = parent->GetBackgroundColour() ; | |
58 | m_foregroundColour = parent->GetForegroundColour() ; | |
59 | m_windowStyle = style; | |
60 | m_marginX = 0; | |
61 | m_marginY = 0; | |
62 | ||
63 | /* | |
64 | int x = pos.x; | |
65 | int y = pos.y; | |
66 | int width = size.x; | |
67 | int height = size.y; | |
68 | */ | |
69 | ||
70 | if (id == -1) | |
71 | m_windowId = NewControlId(); | |
72 | else | |
73 | m_windowId = id; | |
74 | ||
75 | Widget parentWidget = (Widget) parent->GetClientWidget(); | |
76 | ||
77 | /* | |
78 | * Patch Note (important) | |
79 | * There is no major reason to put a defaultButtonThickness here. | |
80 | * Not requesting it give the ability to put wxButton with a spacing | |
81 | * as small as requested. However, if some button become a DefaultButton, | |
82 | * other buttons are no more aligned -- This is why we set | |
83 | * defaultButtonThickness of ALL buttons belonging to the same wxPanel, | |
84 | * in the ::SetDefaultButton method. | |
85 | */ | |
86 | Widget buttonWidget = XtVaCreateManagedWidget ("button", | |
87 | ||
88 | // Gadget causes problems for default button operation. | |
89 | #if wxUSE_GADGETS | |
90 | xmPushButtonGadgetClass, parentWidget, | |
91 | #else | |
92 | xmPushButtonWidgetClass, parentWidget, | |
93 | #endif | |
94 | // XmNdefaultButtonShadowThickness, 1, // See comment for wxButton::SetDefault | |
95 | NULL); | |
96 | ||
97 | m_mainWidget = (WXWidget) buttonWidget; | |
98 | ||
99 | m_font = parent->GetFont(); | |
100 | ChangeFont(FALSE); | |
101 | ||
102 | ChangeBackgroundColour (); | |
103 | ||
104 | DoSetBitmap(); | |
105 | ||
106 | XtAddCallback (buttonWidget, XmNactivateCallback, (XtCallbackProc) wxButtonCallback, | |
107 | (XtPointer) this); | |
108 | ||
109 | SetCanAddEventHandler(TRUE); | |
110 | AttachWidget (parent, m_mainWidget, (WXWidget) NULL, pos.x, pos.y, size.x, size.y); | |
111 | ||
112 | return TRUE; | |
113 | } | |
114 | ||
115 | wxBitmapButton::~wxBitmapButton() | |
116 | { | |
117 | SetBitmapLabel(wxNullBitmap); | |
118 | ||
119 | if (m_insensPixmap) | |
120 | XmDestroyPixmap (DefaultScreenOfDisplay ((Display*) GetXDisplay()), (Pixmap) m_insensPixmap); | |
121 | } | |
122 | ||
123 | void wxBitmapButton::SetBitmapLabel(const wxBitmap& bitmap) | |
124 | { | |
125 | m_buttonBitmapOriginal = bitmap; | |
126 | m_buttonBitmap = bitmap; | |
127 | ||
128 | DoSetBitmap(); | |
129 | } | |
130 | ||
131 | void wxBitmapButton::SetBitmapSelected(const wxBitmap& sel) | |
132 | { | |
133 | m_buttonBitmapSelected = sel; | |
134 | m_buttonBitmapSelectedOriginal = sel; | |
135 | ||
136 | DoSetBitmap(); | |
137 | }; | |
138 | ||
139 | void wxBitmapButton::SetBitmapFocus(const wxBitmap& focus) | |
140 | { | |
141 | m_buttonBitmapFocus = focus; | |
142 | // Not used in Motif | |
143 | }; | |
144 | ||
145 | void wxBitmapButton::SetBitmapDisabled(const wxBitmap& disabled) | |
146 | { | |
147 | m_buttonBitmapDisabled = disabled; | |
148 | m_buttonBitmapDisabledOriginal = disabled; | |
149 | ||
150 | DoSetBitmap(); | |
151 | }; | |
152 | ||
153 | void wxBitmapButton::DoSetBitmap() | |
154 | { | |
155 | if (m_buttonBitmapOriginal.Ok()) | |
156 | { | |
157 | Pixmap pixmap = 0; | |
158 | Pixmap insensPixmap = 0; | |
159 | Pixmap armPixmap = 0; | |
160 | ||
161 | // Must re-make the bitmap to have its transparent areas drawn | |
162 | // in the current widget background colour. | |
163 | if (m_buttonBitmapOriginal.GetMask()) | |
164 | { | |
165 | int backgroundPixel; | |
166 | XtVaGetValues((Widget) m_mainWidget, XmNbackground, &backgroundPixel, | |
167 | NULL); | |
168 | ||
169 | wxColour col; | |
170 | col.SetPixel(backgroundPixel); | |
171 | ||
172 | wxBitmap newBitmap = wxCreateMaskedBitmap(m_buttonBitmapOriginal, col); | |
173 | m_buttonBitmap = newBitmap; | |
174 | ||
175 | pixmap = (Pixmap) m_buttonBitmap.GetPixmap(); | |
176 | } | |
177 | else | |
178 | pixmap = (Pixmap) m_buttonBitmap.GetLabelPixmap(m_mainWidget); | |
179 | ||
180 | if (m_buttonBitmapDisabledOriginal.Ok()) | |
181 | { | |
182 | if (m_buttonBitmapDisabledOriginal.GetMask()) | |
183 | { | |
184 | int backgroundPixel; | |
185 | XtVaGetValues((Widget) m_mainWidget, XmNbackground, &backgroundPixel, | |
186 | NULL); | |
187 | ||
188 | wxColour col; | |
189 | col.SetPixel(backgroundPixel); | |
190 | ||
191 | wxBitmap newBitmap = wxCreateMaskedBitmap(m_buttonBitmapDisabledOriginal, col); | |
192 | m_buttonBitmapDisabled = newBitmap; | |
193 | ||
194 | insensPixmap = (Pixmap) m_buttonBitmapDisabled.GetPixmap(); | |
195 | } | |
196 | else | |
197 | insensPixmap = (Pixmap) m_buttonBitmap.GetInsensPixmap(m_mainWidget); | |
198 | } | |
199 | else | |
200 | insensPixmap = (Pixmap) m_buttonBitmap.GetInsensPixmap(m_mainWidget); | |
201 | ||
202 | // Now make the bitmap representing the armed state | |
203 | if (m_buttonBitmapSelectedOriginal.Ok()) | |
204 | { | |
205 | if (m_buttonBitmapSelectedOriginal.GetMask()) | |
206 | { | |
207 | int backgroundPixel; | |
208 | XtVaGetValues((Widget) m_mainWidget, XmNarmColor, &backgroundPixel, | |
209 | NULL); | |
210 | ||
211 | wxColour col; | |
212 | col.SetPixel(backgroundPixel); | |
213 | ||
214 | wxBitmap newBitmap = wxCreateMaskedBitmap(m_buttonBitmapSelectedOriginal, col); | |
215 | m_buttonBitmapSelected = newBitmap; | |
216 | ||
217 | armPixmap = (Pixmap) m_buttonBitmapSelected.GetPixmap(); | |
218 | } | |
219 | else | |
220 | armPixmap = (Pixmap) m_buttonBitmap.GetArmPixmap(m_mainWidget); | |
221 | } | |
222 | else | |
223 | armPixmap = (Pixmap) m_buttonBitmap.GetArmPixmap(m_mainWidget); | |
224 | ||
225 | if (insensPixmap == pixmap) // <- the Get...Pixmap()-functions return the same pixmap! | |
226 | { | |
227 | insensPixmap = | |
228 | XCreateInsensitivePixmap(DisplayOfScreen(XtScreen((Widget) m_mainWidget)), pixmap); | |
229 | m_insensPixmap = (WXPixmap) insensPixmap; | |
230 | } | |
231 | ||
232 | XtVaSetValues ((Widget) m_mainWidget, | |
233 | XmNlabelPixmap, pixmap, | |
234 | XmNlabelInsensitivePixmap, insensPixmap, | |
235 | XmNarmPixmap, armPixmap, | |
236 | XmNlabelType, XmPIXMAP, | |
237 | NULL); | |
238 | } | |
239 | else | |
240 | { | |
241 | // Null bitmap: must not use current pixmap | |
242 | // since it is no longer valid. | |
243 | XtVaSetValues ((Widget) m_mainWidget, | |
244 | XmNlabelType, XmSTRING, | |
245 | XmNlabelPixmap, XmUNSPECIFIED_PIXMAP, | |
246 | XmNlabelInsensitivePixmap, XmUNSPECIFIED_PIXMAP, | |
247 | XmNarmPixmap, XmUNSPECIFIED_PIXMAP, | |
248 | NULL); | |
249 | } | |
250 | } | |
251 | ||
252 | void wxBitmapButton::ChangeBackgroundColour() | |
253 | { | |
254 | DoChangeBackgroundColour(m_mainWidget, m_backgroundColour, TRUE); | |
255 | ||
256 | // Must reset the bitmaps since the colours have changed. | |
257 | DoSetBitmap(); | |
258 | } |