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