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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: src/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: 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/gtk/private.h" | |
25 | ||
26 | extern bool g_blockEventsOnDrag; | |
27 | ||
28 | extern "C" { | |
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 | ||
47 | DEFINE_EVENT_TYPE(wxEVT_COMMAND_TOGGLEBUTTON_CLICKED) | |
48 | ||
49 | // ------------------------------------------------------------------------ | |
50 | // wxToggleBitmapButton | |
51 | // ------------------------------------------------------------------------ | |
52 | ||
53 | IMPLEMENT_DYNAMIC_CLASS(wxToggleBitmapButton, wxControl) | |
54 | ||
55 | bool wxToggleBitmapButton::Create(wxWindow *parent, wxWindowID id, | |
56 | const wxBitmap &label, const wxPoint &pos, | |
57 | const wxSize &size, long style, | |
58 | const wxValidator& validator, | |
59 | const wxString &name) | |
60 | { | |
61 | m_needParent = true; | |
62 | m_acceptsFocus = true; | |
63 | ||
64 | m_blockEvent = false; | |
65 | ||
66 | if (!PreCreation(parent, pos, size) || | |
67 | !CreateBase(parent, id, pos, size, style, validator, name )) | |
68 | { | |
69 | wxFAIL_MSG(wxT("wxToggleBitmapButton creation failed")); | |
70 | return false; | |
71 | } | |
72 | ||
73 | // Create the gtk widget. | |
74 | m_widget = gtk_toggle_button_new(); | |
75 | ||
76 | if (style & wxNO_BORDER) | |
77 | gtk_button_set_relief( GTK_BUTTON(m_widget), GTK_RELIEF_NONE ); | |
78 | ||
79 | m_bitmap = label; | |
80 | OnSetBitmap(); | |
81 | ||
82 | g_signal_connect (m_widget, "clicked", | |
83 | G_CALLBACK (gtk_togglebutton_clicked_callback), | |
84 | this); | |
85 | ||
86 | m_parent->DoAddChild(this); | |
87 | ||
88 | PostCreation(size); | |
89 | ||
90 | return true; | |
91 | } | |
92 | ||
93 | // void SetValue(bool state) | |
94 | // Set the value of the toggle button. | |
95 | void wxToggleBitmapButton::SetValue(bool state) | |
96 | { | |
97 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
98 | ||
99 | if (state == GetValue()) | |
100 | return; | |
101 | ||
102 | m_blockEvent = true; | |
103 | ||
104 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); | |
105 | ||
106 | m_blockEvent = false; | |
107 | } | |
108 | ||
109 | // bool GetValue() const | |
110 | // Get the value of the toggle button. | |
111 | bool wxToggleBitmapButton::GetValue() const | |
112 | { | |
113 | wxCHECK_MSG(m_widget != NULL, false, wxT("invalid toggle button")); | |
114 | ||
115 | return gtk_toggle_button_get_active((GtkToggleButton*)m_widget); | |
116 | } | |
117 | ||
118 | void wxToggleBitmapButton::SetLabel(const wxBitmap& label) | |
119 | { | |
120 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
121 | ||
122 | m_bitmap = label; | |
123 | InvalidateBestSize(); | |
124 | ||
125 | OnSetBitmap(); | |
126 | } | |
127 | ||
128 | void wxToggleBitmapButton::OnSetBitmap() | |
129 | { | |
130 | if (!m_bitmap.Ok()) return; | |
131 | ||
132 | GtkWidget* image = ((GtkBin*)m_widget)->child; | |
133 | if (image == NULL) | |
134 | { | |
135 | // initial bitmap | |
136 | image = gtk_image_new_from_pixbuf(m_bitmap.GetPixbuf()); | |
137 | gtk_widget_show(image); | |
138 | gtk_container_add((GtkContainer*)m_widget, image); | |
139 | } | |
140 | else | |
141 | { // subsequent bitmaps | |
142 | gtk_image_set_from_pixbuf((GtkImage*)image, m_bitmap.GetPixbuf()); | |
143 | } | |
144 | } | |
145 | ||
146 | bool wxToggleBitmapButton::Enable(bool enable /*=true*/) | |
147 | { | |
148 | if (!wxControl::Enable(enable)) | |
149 | return false; | |
150 | ||
151 | gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable); | |
152 | ||
153 | return true; | |
154 | } | |
155 | ||
156 | void wxToggleBitmapButton::DoApplyWidgetStyle(GtkRcStyle *style) | |
157 | { | |
158 | gtk_widget_modify_style(m_widget, style); | |
159 | gtk_widget_modify_style(GTK_BIN(m_widget)->child, style); | |
160 | } | |
161 | ||
162 | GdkWindow * | |
163 | wxToggleBitmapButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const | |
164 | { | |
165 | return GTK_BUTTON(m_widget)->event_window; | |
166 | } | |
167 | ||
168 | // Get the "best" size for this control. | |
169 | wxSize wxToggleBitmapButton::DoGetBestSize() const | |
170 | { | |
171 | wxSize best; | |
172 | ||
173 | if (m_bitmap.Ok()) | |
174 | { | |
175 | int border = HasFlag(wxNO_BORDER) ? 4 : 10; | |
176 | best.x = m_bitmap.GetWidth()+border; | |
177 | best.y = m_bitmap.GetHeight()+border; | |
178 | } | |
179 | CacheBestSize(best); | |
180 | return best; | |
181 | } | |
182 | ||
183 | ||
184 | // static | |
185 | wxVisualAttributes | |
186 | wxToggleBitmapButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
187 | { | |
188 | return GetDefaultAttributesFromGTKWidget(gtk_toggle_button_new); | |
189 | } | |
190 | ||
191 | ||
192 | // ------------------------------------------------------------------------ | |
193 | // wxToggleButton | |
194 | // ------------------------------------------------------------------------ | |
195 | ||
196 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) | |
197 | ||
198 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, | |
199 | const wxString &label, const wxPoint &pos, | |
200 | const wxSize &size, long style, | |
201 | const wxValidator& validator, | |
202 | const wxString &name) | |
203 | { | |
204 | m_needParent = true; | |
205 | m_acceptsFocus = true; | |
206 | ||
207 | m_blockEvent = false; | |
208 | ||
209 | if (!PreCreation(parent, pos, size) || | |
210 | !CreateBase(parent, id, pos, size, style, validator, name )) | |
211 | { | |
212 | wxFAIL_MSG(wxT("wxToggleButton creation failed")); | |
213 | return false; | |
214 | } | |
215 | ||
216 | // Create the gtk widget. | |
217 | m_widget = gtk_toggle_button_new_with_mnemonic(""); | |
218 | ||
219 | SetLabel(label); | |
220 | ||
221 | g_signal_connect (m_widget, "clicked", | |
222 | G_CALLBACK (gtk_togglebutton_clicked_callback), | |
223 | this); | |
224 | ||
225 | m_parent->DoAddChild(this); | |
226 | ||
227 | PostCreation(size); | |
228 | ||
229 | return true; | |
230 | } | |
231 | ||
232 | // void SetValue(bool state) | |
233 | // Set the value of the toggle button. | |
234 | void wxToggleButton::SetValue(bool state) | |
235 | { | |
236 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
237 | ||
238 | if (state == GetValue()) | |
239 | return; | |
240 | ||
241 | m_blockEvent = true; | |
242 | ||
243 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); | |
244 | ||
245 | m_blockEvent = false; | |
246 | } | |
247 | ||
248 | // bool GetValue() const | |
249 | // Get the value of the toggle button. | |
250 | bool wxToggleButton::GetValue() const | |
251 | { | |
252 | wxCHECK_MSG(m_widget != NULL, false, wxT("invalid toggle button")); | |
253 | ||
254 | return GTK_TOGGLE_BUTTON(m_widget)->active; | |
255 | } | |
256 | ||
257 | void wxToggleButton::SetLabel(const wxString& label) | |
258 | { | |
259 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); | |
260 | ||
261 | wxControl::SetLabel(label); | |
262 | ||
263 | const wxString labelGTK = GTKConvertMnemonics(label); | |
264 | ||
265 | gtk_button_set_label(GTK_BUTTON(m_widget), wxGTK_CONV(labelGTK)); | |
266 | ||
267 | ApplyWidgetStyle( false ); | |
268 | } | |
269 | ||
270 | bool wxToggleButton::Enable(bool enable /*=true*/) | |
271 | { | |
272 | if (!wxControl::Enable(enable)) | |
273 | return false; | |
274 | ||
275 | gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable); | |
276 | ||
277 | return true; | |
278 | } | |
279 | ||
280 | void wxToggleButton::DoApplyWidgetStyle(GtkRcStyle *style) | |
281 | { | |
282 | gtk_widget_modify_style(m_widget, style); | |
283 | gtk_widget_modify_style(GTK_BIN(m_widget)->child, style); | |
284 | } | |
285 | ||
286 | GdkWindow * | |
287 | wxToggleButton::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const | |
288 | { | |
289 | return GTK_BUTTON(m_widget)->event_window; | |
290 | } | |
291 | ||
292 | // Get the "best" size for this control. | |
293 | wxSize wxToggleButton::DoGetBestSize() const | |
294 | { | |
295 | wxSize ret(wxControl::DoGetBestSize()); | |
296 | ||
297 | if (!HasFlag(wxBU_EXACTFIT)) | |
298 | { | |
299 | if (ret.x < 80) ret.x = 80; | |
300 | } | |
301 | ||
302 | CacheBestSize(ret); | |
303 | return ret; | |
304 | } | |
305 | ||
306 | // static | |
307 | wxVisualAttributes | |
308 | wxToggleButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) | |
309 | { | |
310 | return GetDefaultAttributesFromGTKWidget(gtk_toggle_button_new); | |
311 | } | |
312 | ||
313 | #endif // wxUSE_TOGGLEBTN |