| 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: wxWindows licence |
| 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 | InvalidateBestSize(); |
| 127 | |
| 128 | OnSetBitmap(); |
| 129 | } |
| 130 | |
| 131 | void wxToggleBitmapButton::OnSetBitmap() |
| 132 | { |
| 133 | if (!m_bitmap.Ok()) return; |
| 134 | |
| 135 | GdkBitmap *mask = (GdkBitmap *) NULL; |
| 136 | if (m_bitmap.GetMask()) mask = m_bitmap.GetMask()->GetBitmap(); |
| 137 | |
| 138 | GtkWidget *child = BUTTON_CHILD(m_widget); |
| 139 | if (child == NULL) |
| 140 | { |
| 141 | // initial bitmap |
| 142 | GtkWidget *pixmap = gtk_pixmap_new(m_bitmap.GetPixmap(), mask); |
| 143 | gtk_widget_show(pixmap); |
| 144 | gtk_container_add(GTK_CONTAINER(m_widget), pixmap); |
| 145 | } |
| 146 | else |
| 147 | { // subsequent bitmaps |
| 148 | GtkPixmap *g_pixmap = GTK_PIXMAP(child); |
| 149 | gtk_pixmap_set(g_pixmap, m_bitmap.GetPixmap(), mask); |
| 150 | } |
| 151 | } |
| 152 | |
| 153 | bool wxToggleBitmapButton::Enable(bool enable /*=TRUE*/) |
| 154 | { |
| 155 | if (!wxControl::Enable(enable)) |
| 156 | return FALSE; |
| 157 | |
| 158 | gtk_widget_set_sensitive(BUTTON_CHILD(m_widget), enable); |
| 159 | |
| 160 | return TRUE; |
| 161 | } |
| 162 | |
| 163 | void wxToggleBitmapButton::DoApplyWidgetStyle(GtkRcStyle *style) |
| 164 | { |
| 165 | gtk_widget_modify_style(m_widget, style); |
| 166 | gtk_widget_modify_style(BUTTON_CHILD(m_widget), style); |
| 167 | } |
| 168 | |
| 169 | bool wxToggleBitmapButton::IsOwnGtkWindow(GdkWindow *window) |
| 170 | { |
| 171 | return window == TOGGLE_BUTTON_EVENT_WIN(m_widget); |
| 172 | } |
| 173 | |
| 174 | void wxToggleBitmapButton::OnInternalIdle() |
| 175 | { |
| 176 | wxCursor cursor = m_cursor; |
| 177 | |
| 178 | if (g_globalCursor.Ok()) |
| 179 | cursor = g_globalCursor; |
| 180 | |
| 181 | GdkWindow *win = TOGGLE_BUTTON_EVENT_WIN(m_widget); |
| 182 | if ( win && cursor.Ok() ) |
| 183 | { |
| 184 | /* I now set the cursor the anew in every OnInternalIdle call |
| 185 | as setting the cursor in a parent window also effects the |
| 186 | windows above so that checking for the current cursor is |
| 187 | not possible. */ |
| 188 | |
| 189 | gdk_window_set_cursor(win, cursor.GetCursor()); |
| 190 | } |
| 191 | |
| 192 | if (wxUpdateUIEvent::CanUpdate(this)) |
| 193 | UpdateWindowUI(wxUPDATE_UI_FROMIDLE); |
| 194 | } |
| 195 | |
| 196 | |
| 197 | // Get the "best" size for this control. |
| 198 | wxSize wxToggleBitmapButton::DoGetBestSize() const |
| 199 | { |
| 200 | wxSize best; |
| 201 | |
| 202 | if (m_bitmap.Ok()) |
| 203 | { |
| 204 | int border = HasFlag(wxNO_BORDER) ? 4 : 10; |
| 205 | best.x = m_bitmap.GetWidth()+border; |
| 206 | best.y = m_bitmap.GetHeight()+border; |
| 207 | } |
| 208 | CacheBestSize(best); |
| 209 | return best; |
| 210 | } |
| 211 | |
| 212 | |
| 213 | // static |
| 214 | wxVisualAttributes |
| 215 | wxToggleBitmapButton::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) |
| 216 | { |
| 217 | return GetDefaultAttributesFromGTKWidget(gtk_toggle_button_new); |
| 218 | } |
| 219 | |
| 220 | |
| 221 | // ------------------------------------------------------------------------ |
| 222 | // wxToggleButton |
| 223 | // ------------------------------------------------------------------------ |
| 224 | |
| 225 | IMPLEMENT_DYNAMIC_CLASS(wxToggleButton, wxControl) |
| 226 | |
| 227 | bool wxToggleButton::Create(wxWindow *parent, wxWindowID id, |
| 228 | const wxString &label, const wxPoint &pos, |
| 229 | const wxSize &size, long style, |
| 230 | const wxValidator& validator, |
| 231 | const wxString &name) |
| 232 | { |
| 233 | m_needParent = TRUE; |
| 234 | m_acceptsFocus = TRUE; |
| 235 | |
| 236 | m_blockEvent = FALSE; |
| 237 | |
| 238 | if (!PreCreation(parent, pos, size) || |
| 239 | !CreateBase(parent, id, pos, size, style, validator, name )) { |
| 240 | wxFAIL_MSG(wxT("wxToggleButton creation failed")); |
| 241 | return FALSE; |
| 242 | } |
| 243 | |
| 244 | wxControl::SetLabel(label); |
| 245 | |
| 246 | // Create the gtk widget. |
| 247 | m_widget = gtk_toggle_button_new_with_label( wxGTK_CONV( m_label ) ); |
| 248 | |
| 249 | gtk_signal_connect(GTK_OBJECT(m_widget), "clicked", |
| 250 | GTK_SIGNAL_FUNC(gtk_togglebutton_clicked_callback), |
| 251 | (gpointer *)this); |
| 252 | |
| 253 | m_parent->DoAddChild(this); |
| 254 | |
| 255 | PostCreation(size); |
| 256 | |
| 257 | return TRUE; |
| 258 | } |
| 259 | |
| 260 | // void SetValue(bool state) |
| 261 | // Set the value of the toggle button. |
| 262 | void wxToggleButton::SetValue(bool state) |
| 263 | { |
| 264 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); |
| 265 | |
| 266 | if (state == GetValue()) |
| 267 | return; |
| 268 | |
| 269 | m_blockEvent = TRUE; |
| 270 | |
| 271 | gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(m_widget), state); |
| 272 | |
| 273 | m_blockEvent = FALSE; |
| 274 | } |
| 275 | |
| 276 | // bool GetValue() const |
| 277 | // Get the value of the toggle button. |
| 278 | bool wxToggleButton::GetValue() const |
| 279 | { |
| 280 | wxCHECK_MSG(m_widget != NULL, FALSE, wxT("invalid toggle button")); |
| 281 | |
| 282 | return GTK_TOGGLE_BUTTON(m_widget)->active; |
| 283 | } |
| 284 | |
| 285 | void wxToggleButton::SetLabel(const wxString& label) |
| 286 | { |
| 287 | wxCHECK_RET(m_widget != NULL, wxT("invalid toggle button")); |
| 288 | |
| 289 | wxControl::SetLabel(label); |
| 290 | |
| 291 | gtk_label_set(GTK_LABEL(BUTTON_CHILD(m_widget)), wxGTK_CONV( GetLabel() ) ); |
| 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 | |
| 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 | CacheBestSize(ret); |
| 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 | |