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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/gtk1/tglbtn.cpp | |
3 | // Purpose: Definition of the wxToggleButton class, which implements a | |
4 | // toggle button under wxGTK. | |
5 | // Author: John Norris, minor changes by Axel Schlueter | |
6 | // Modified by: | |
7 | // Created: 08.02.01 | |
8 | // RCS-ID: $Id$ | |
9 | // Copyright: (c) 2000 Johnny C. Norris II | |
10 | // Licence: wxWindows licence | |
11 | ///////////////////////////////////////////////////////////////////////////// | |
12 | ||
13 | // For compilers that support precompilation, includes "wx.h". | |
14 | #include "wx/wxprec.h" | |
15 | ||
16 | #if wxUSE_TOGGLEBTN | |
17 | ||
18 | #include "wx/tglbtn.h" | |
19 | ||
20 | #ifndef WX_PRECOMP | |
21 | #include "wx/button.h" | |
22 | #endif | |
23 | ||
24 | #include "wx/gtk1/private.h" | |
25 | ||
26 | extern void wxapp_install_idle_handler(); | |
27 | extern bool g_isIdle; | |
28 | extern bool g_blockEventsOnDrag; | |
29 | extern wxCursor g_globalCursor; | |
30 | ||
31 | extern "C" { | |
32 | static void gtk_togglebutton_clicked_callback(GtkWidget *WXUNUSED(widget), wxToggleButton *cb) | |
33 | { | |
34 | if (g_isIdle) | |
35 | wxapp_install_idle_handler(); | |
36 | ||
37 | if (!cb->m_hasVMT || g_blockEventsOnDrag) | |
38 | return; | |
39 | ||
40 | if (cb->m_blockEvent) return; | |
41 | ||
42 | // Generate a wx event. | |
43 | wxCommandEvent event(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, cb->GetId()); | |
44 | event.SetInt(cb->GetValue()); | |
45 | event.SetEventObject(cb); | |
46 | cb->HandleWindowEvent(event); | |
47 | } | |
48 | } | |
49 | ||
50 | wxDEFINE_EVENT( wxEVT_COMMAND_TOGGLEBUTTON_CLICKED, wxCommandEvent ); | |
51 | ||
52 | // ------------------------------------------------------------------------ | |
53 | // wxToggleBitmapButton | |
54 | // ------------------------------------------------------------------------ | |
55 | ||
56 | IMPLEMENT_DYNAMIC_CLASS(wxToggleBitmapButton, wxControl) | |
57 | ||
58 | bool wxToggleBitmapButton::Create(wxWindow *parent, wxWindowID id, | |
59 | const wxBitmap &label, const wxPoint &pos, | |
60 | const wxSize &size, long style, | |
61 | const wxValidator& validator, | |
62 | const wxString &name) | |
63 | { | |
64 | m_needParent = true; | |
65 | m_acceptsFocus = true; | |
66 | ||
67 | m_blockEvent = false; | |
68 | ||
69 | if (!PreCreation(parent, pos, size) || | |
70 | !CreateBase(parent, id, pos, size, style, validator, name )) | |
71 | { | |
72 | wxFAIL_MSG(wxT("wxToggleBitmapButton creation failed")); | |
73 | return false; | |
74 | } | |
75 | ||
76 | m_bitmap = label; | |
77 | ||
78 | // Create the gtk widget. | |
79 | m_widget = gtk_toggle_button_new(); | |
80 | ||
81 | if (style & wxNO_BORDER) | |
82 | gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE ); | |
83 | ||
84 | if (m_bitmap.IsOk()) | |
85 | { | |
86 | OnSetBitmap(); | |
87 | } | |
88 | ||
89 | gtk_signal_connect(GTK_OBJECT(m_widget), "clicked", | |
90 | GTK_SIGNAL_FUNC(gtk_togglebutton_clicked_callback), | |
91 | (gpointer *)this); | |
92 | ||
93 | m_parent->DoAddChild(this); | |
94 | ||
95 | PostCreation(size); | |
96 | ||
97 | return true; | |
98 | } | |
99 | ||
100 | // void SetValue(bool state) | |
101 | // Set the value of the toggle button. | |
102 | void wxToggleBitmapButton::SetValue(bool state) | |
103 | { | |
104 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
105 | ||
106 | if (state == GetValue()) | |
107 | return; | |
108 | ||
109 | m_blockEvent = true; | |
110 | ||
111 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); | |
112 | ||
113 | m_blockEvent = false; | |
114 | } | |
115 | ||
116 | // bool GetValue() const | |
117 | // Get the value of the toggle button. | |
118 | bool wxToggleBitmapButton::GetValue() const | |
119 | { | |
120 | wxCHECK_MSG(m_widget != NULL, false, wxT("invalid toggle button")); | |
121 | ||
122 | return GTK_TOGGLE_BUTTON(m_widget)->active; | |
123 | } | |
124 | ||
125 | void wxToggleBitmapButton::SetLabel(const wxBitmap& label) | |
126 | { | |
127 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
128 | ||
129 | m_bitmap = label; | |
130 | InvalidateBestSize(); | |
131 | ||
132 | OnSetBitmap(); | |
133 | } | |
134 | ||
135 | void wxToggleBitmapButton::OnSetBitmap() | |
136 | { | |
137 | if (!m_bitmap.IsOk()) return; | |
138 | ||
139 | GdkBitmap *mask = NULL; | |
140 | if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap(); | |
141 | ||
142 | GtkWidget *child = BUTTON_CHILD(m_widget); | |
143 | if (child == NULL) | |
144 | { | |
145 | // initial bitmap | |
146 | GtkWidget *pixmap = gtk_pixmap_new(m_bitmap.GetPixmap(), mask); | |
147 | gtk_widget_show(pixmap); | |
148 | gtk_container_add(GTK_CONTAINER(m_widget), pixmap); | |
149 | } | |
150 | else | |
151 | { // subsequent bitmaps | |
152 | GtkPixmap *g_pixmap = GTK_PIXMAP(child); | |
153 | gtk_pixmap_set(g_pixmap, m_bitmap.GetPixmap(), mask); | |
154 | } | |
155 | } | |
156 | ||
157 | bool wxToggleBitmapButton::Enable(bool enable /*=true*/) | |
158 | { | |
159 | if (!wxControl::Enable(enable)) | |
160 | return false; | |
161 | ||
162 | gtk_widget_set_sensitive(BUTTON_CHILD(m_widget), enable); | |
163 | ||
164 | return true; | |
165 | } | |
166 | ||
167 | void wxToggleBitmapButton::DoApplyWidgetStyle(GtkRcStyle *style) | |
168 | { | |
169 | gtk_widget_modify_style(m_widget, style); | |
170 | gtk_widget_modify_style(BUTTON_CHILD(m_widget), style); | |
171 | } | |
172 | ||
173 | bool wxToggleBitmapButton::IsOwnGtkWindow(GdkWindow *window) | |
174 | { | |
175 | return window == TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
176 | } | |
177 | ||
178 | void wxToggleBitmapButton::OnInternalIdle() | |
179 | { | |
180 | wxCursor cursor = m_cursor; | |
181 | ||
182 | if (g_globalCursor.IsOk()) | |
183 | cursor = g_globalCursor; | |
184 | ||
185 | GdkWindow *win = TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
186 | if ( win && cursor.IsOk() ) | |
187 | { | |
188 | /* I now set the cursor the anew in every OnInternalIdle call | |
189 | as setting the cursor in a parent window also effects the | |
190 | windows above so that checking for the current cursor is | |
191 | not possible. */ | |
192 | ||
193 | gdk_window_set_cursor(win, cursor.GetCursor()); | |
194 | } | |
195 | ||
196 | if (wxUpdateUIEvent::CanUpdate(this)) | |
197 | UpdateWindowUI(wxUPDATE_UI_FROMIDLE); | |
198 | } | |
199 | ||
200 | ||
201 | // Get the "best" size for this control. | |
202 | wxSize wxToggleBitmapButton::DoGetBestSize() const | |
203 | { | |
204 | wxSize best; | |
205 | ||
206 | if (m_bitmap.IsOk()) | |
207 | { | |
208 | int border = HasFlag(wxNO_BORDER) ? 4 : 10; | |
209 | best.x = m_bitmap.GetWidth()+border; | |
210 | best.y = m_bitmap.GetHeight()+border; | |
211 | } | |
212 | CacheBestSize(best); | |
213 | return best; | |
214 | } | |
215 | ||
216 | ||
217 | // static | |
218 | wxVisualAttributes | |
219 | wxToggleBitmapButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
220 | { | |
221 | return GetDefaultAttributesFromGTKWidget(gtk_toggle_button_new); | |
222 | } | |
223 | ||
224 | ||
225 | // ------------------------------------------------------------------------ | |
226 | // wxToggleButton | |
227 | // ------------------------------------------------------------------------ | |
228 | ||
229 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) | |
230 | ||
231 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, | |
232 | const wxString &label, const wxPoint &pos, | |
233 | const wxSize &size, long style, | |
234 | const wxValidator& validator, | |
235 | const wxString &name) | |
236 | { | |
237 | m_needParent = true; | |
238 | m_acceptsFocus = true; | |
239 | ||
240 | m_blockEvent = false; | |
241 | ||
242 | if (!PreCreation(parent, pos, size) || | |
243 | !CreateBase(parent, id, pos, size, style, validator, name )) { | |
244 | wxFAIL_MSG(wxT("wxToggleButton creation failed")); | |
245 | return false; | |
246 | } | |
247 | ||
248 | wxControl::SetLabel(label); | |
249 | ||
250 | // Create the gtk widget. | |
251 | m_widget = gtk_toggle_button_new_with_label( wxGTK_CONV( m_label ) ); | |
252 | ||
253 | gtk_signal_connect(GTK_OBJECT(m_widget), "clicked", | |
254 | GTK_SIGNAL_FUNC(gtk_togglebutton_clicked_callback), | |
255 | (gpointer *)this); | |
256 | ||
257 | m_parent->DoAddChild(this); | |
258 | ||
259 | PostCreation(size); | |
260 | ||
261 | return true; | |
262 | } | |
263 | ||
264 | // void SetValue(bool state) | |
265 | // Set the value of the toggle button. | |
266 | void wxToggleButton::SetValue(bool state) | |
267 | { | |
268 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
269 | ||
270 | if (state == GetValue()) | |
271 | return; | |
272 | ||
273 | m_blockEvent = true; | |
274 | ||
275 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); | |
276 | ||
277 | m_blockEvent = false; | |
278 | } | |
279 | ||
280 | // bool GetValue() const | |
281 | // Get the value of the toggle button. | |
282 | bool wxToggleButton::GetValue() const | |
283 | { | |
284 | wxCHECK_MSG(m_widget != NULL, false, wxT("invalid toggle button")); | |
285 | ||
286 | return GTK_TOGGLE_BUTTON(m_widget)->active; | |
287 | } | |
288 | ||
289 | void wxToggleButton::SetLabel(const wxString& label) | |
290 | { | |
291 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
292 | ||
293 | wxControl::SetLabel(label); | |
294 | ||
295 | gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), wxGTK_CONV( GetLabel() ) ); | |
296 | } | |
297 | ||
298 | bool wxToggleButton::Enable(bool enable /*=true*/) | |
299 | { | |
300 | if (!wxControl::Enable(enable)) | |
301 | return false; | |
302 | ||
303 | gtk_widget_set_sensitive(BUTTON_CHILD(m_widget), enable); | |
304 | ||
305 | return true; | |
306 | } | |
307 | ||
308 | void wxToggleButton::DoApplyWidgetStyle(GtkRcStyle *style) | |
309 | { | |
310 | gtk_widget_modify_style(m_widget, style); | |
311 | gtk_widget_modify_style(BUTTON_CHILD(m_widget), style); | |
312 | } | |
313 | ||
314 | bool wxToggleButton::IsOwnGtkWindow(GdkWindow *window) | |
315 | { | |
316 | return window == TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
317 | } | |
318 | ||
319 | void wxToggleButton::OnInternalIdle() | |
320 | { | |
321 | wxCursor cursor = m_cursor; | |
322 | ||
323 | if (g_globalCursor.IsOk()) | |
324 | cursor = g_globalCursor; | |
325 | ||
326 | GdkWindow *win = TOGGLE_BUTTON_EVENT_WIN(m_widget); | |
327 | if ( win && cursor.IsOk() ) | |
328 | { | |
329 | /* I now set the cursor the anew in every OnInternalIdle call | |
330 | as setting the cursor in a parent window also effects the | |
331 | windows above so that checking for the current cursor is | |
332 | not possible. */ | |
333 | ||
334 | gdk_window_set_cursor(win, cursor.GetCursor()); | |
335 | } | |
336 | ||
337 | if (wxUpdateUIEvent::CanUpdate(this)) | |
338 | UpdateWindowUI(wxUPDATE_UI_FROMIDLE); | |
339 | } | |
340 | ||
341 | ||
342 | // Get the "best" size for this control. | |
343 | wxSize wxToggleButton::DoGetBestSize() const | |
344 | { | |
345 | wxSize ret(wxControl::DoGetBestSize()); | |
346 | ||
347 | if (!HasFlag(wxBU_EXACTFIT)) | |
348 | { | |
349 | if (ret.x < 80) ret.x = 80; | |
350 | } | |
351 | ||
352 | CacheBestSize(ret); | |
353 | return ret; | |
354 | } | |
355 | ||
356 | // static | |
357 | wxVisualAttributes | |
358 | wxToggleButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
359 | { | |
360 | return GetDefaultAttributesFromGTKWidget(gtk_toggle_button_new); | |
361 | } | |
362 | ||
363 | #endif // wxUSE_TOGGLEBTN |