| 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 |