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