| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: menu.cpp |
| 3 | // Purpose: |
| 4 | // Author: Robert Roebling |
| 5 | // Created: 01/02/97 |
| 6 | // Id: $Id$ |
| 7 | // Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "menu.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/menu.h" |
| 17 | #include "wx/log.h" |
| 18 | #include "wx/intl.h" |
| 19 | |
| 20 | //----------------------------------------------------------------------------- |
| 21 | // wxMenuBar |
| 22 | //----------------------------------------------------------------------------- |
| 23 | |
| 24 | IMPLEMENT_DYNAMIC_CLASS(wxMenuBar,wxWindow) |
| 25 | |
| 26 | wxMenuBar::wxMenuBar() |
| 27 | { |
| 28 | m_needParent = FALSE; // hmmm |
| 29 | |
| 30 | PreCreation( (wxWindow *) NULL, -1, wxDefaultPosition, wxDefaultSize, 0, "menu" ); |
| 31 | |
| 32 | m_menus.DeleteContents( TRUE ); |
| 33 | |
| 34 | m_widget = gtk_handle_box_new(); |
| 35 | |
| 36 | m_menubar = gtk_menu_bar_new(); |
| 37 | |
| 38 | gtk_container_add( GTK_CONTAINER(m_widget), m_menubar ); |
| 39 | |
| 40 | gtk_widget_show( m_menubar ); |
| 41 | |
| 42 | PostCreation(); |
| 43 | |
| 44 | Show( TRUE ); |
| 45 | } |
| 46 | |
| 47 | void wxMenuBar::Append( wxMenu *menu, const wxString &title ) |
| 48 | { |
| 49 | m_menus.Append( menu ); |
| 50 | menu->m_title = title; // ?????? |
| 51 | |
| 52 | int pos; |
| 53 | do { |
| 54 | pos = menu->m_title.First( '&' ); |
| 55 | if (pos != -1) menu->m_title.Remove( pos, 1 ); |
| 56 | } while (pos != -1); |
| 57 | |
| 58 | GtkWidget *root_menu; |
| 59 | root_menu = gtk_menu_item_new_with_label( WXSTRINGCAST(menu->m_title) ); |
| 60 | gtk_widget_show( root_menu ); |
| 61 | gtk_menu_item_set_submenu( GTK_MENU_ITEM(root_menu), menu->m_menu ); |
| 62 | |
| 63 | gtk_menu_bar_append( GTK_MENU_BAR(m_menubar), root_menu ); |
| 64 | } |
| 65 | |
| 66 | static int FindMenuItemRecursive( const wxMenu *menu, const wxString &menuString, const wxString &itemString ) |
| 67 | { |
| 68 | if (menu->m_title == menuString) |
| 69 | { |
| 70 | int res = menu->FindItem( itemString ); |
| 71 | if (res != -1) return res; |
| 72 | } |
| 73 | wxNode *node = menu->m_items.First(); |
| 74 | while (node) |
| 75 | { |
| 76 | wxMenuItem *item = (wxMenuItem*)node->Data(); |
| 77 | if (item->IsSubMenu()) |
| 78 | return FindMenuItemRecursive(item->GetSubMenu(), menuString, itemString); |
| 79 | node = node->Next(); |
| 80 | } |
| 81 | return -1; |
| 82 | } |
| 83 | |
| 84 | int wxMenuBar::FindMenuItem( const wxString &menuString, const wxString &itemString ) const |
| 85 | { |
| 86 | wxNode *node = m_menus.First(); |
| 87 | while (node) |
| 88 | { |
| 89 | wxMenu *menu = (wxMenu*)node->Data(); |
| 90 | int res = FindMenuItemRecursive( menu, menuString, itemString); |
| 91 | if (res != -1) return res; |
| 92 | node = node->Next(); |
| 93 | } |
| 94 | return -1; |
| 95 | } |
| 96 | |
| 97 | // Find a wxMenuItem using its id. Recurses down into sub-menus |
| 98 | static wxMenuItem* FindMenuItemByIdRecursive(const wxMenu* menu, int id) |
| 99 | { |
| 100 | wxMenuItem* result = menu->FindItem(id); |
| 101 | |
| 102 | wxNode *node = menu->m_items.First(); |
| 103 | while ( node && result == NULL ) { |
| 104 | wxMenuItem *item = (wxMenuItem*)node->Data(); |
| 105 | if ( item->IsSubMenu() ) |
| 106 | result = FindMenuItemByIdRecursive( item->GetSubMenu(), id ); |
| 107 | node = node->Next(); |
| 108 | } |
| 109 | |
| 110 | return result; |
| 111 | } |
| 112 | |
| 113 | wxMenuItem* wxMenuBar::FindMenuItemById( int id ) const |
| 114 | { |
| 115 | wxMenuItem* result = 0; |
| 116 | wxNode *node = m_menus.First(); |
| 117 | while (node && result == 0) |
| 118 | { |
| 119 | wxMenu *menu = (wxMenu*)node->Data(); |
| 120 | result = FindMenuItemByIdRecursive( menu, id ); |
| 121 | node = node->Next(); |
| 122 | } |
| 123 | return result; |
| 124 | } |
| 125 | |
| 126 | void wxMenuBar::Check( int id, bool check ) |
| 127 | { |
| 128 | wxMenuItem* item = FindMenuItemById( id ); |
| 129 | if (item) item->Check(check); |
| 130 | } |
| 131 | |
| 132 | bool wxMenuBar::Checked( int id ) const |
| 133 | { |
| 134 | wxMenuItem* item = FindMenuItemById( id ); |
| 135 | if (item) return item->IsChecked(); |
| 136 | return FALSE; |
| 137 | } |
| 138 | |
| 139 | void wxMenuBar::Enable( int id, bool enable ) |
| 140 | { |
| 141 | wxMenuItem* item = FindMenuItemById( id ); |
| 142 | if (item) item->Enable(enable); |
| 143 | } |
| 144 | |
| 145 | bool wxMenuBar::Enabled( int id ) const |
| 146 | { |
| 147 | wxMenuItem* item = FindMenuItemById( id ); |
| 148 | if (item) return item->IsEnabled(); |
| 149 | return FALSE; |
| 150 | } |
| 151 | |
| 152 | //----------------------------------------------------------------------------- |
| 153 | // "activate" |
| 154 | //----------------------------------------------------------------------------- |
| 155 | |
| 156 | static void gtk_menu_clicked_callback( GtkWidget *widget, wxMenu *menu ) |
| 157 | { |
| 158 | int id = menu->FindMenuIdByMenuItem(widget); |
| 159 | |
| 160 | wxASSERT( id != -1 ); // should find it! |
| 161 | |
| 162 | if (!menu->IsEnabled(id)) return; |
| 163 | |
| 164 | wxCommandEvent event( wxEVT_COMMAND_MENU_SELECTED, id ); |
| 165 | event.SetEventObject( menu ); |
| 166 | event.SetInt(id ); |
| 167 | |
| 168 | if (menu->m_callback) |
| 169 | { |
| 170 | (void) (*(menu->m_callback)) (*menu, event); |
| 171 | return; |
| 172 | } |
| 173 | |
| 174 | if (menu->GetEventHandler()->ProcessEvent(event)) return; |
| 175 | |
| 176 | wxWindow *win = menu->GetInvokingWindow(); |
| 177 | if (win) win->GetEventHandler()->ProcessEvent( event ); |
| 178 | } |
| 179 | |
| 180 | //----------------------------------------------------------------------------- |
| 181 | // "select" |
| 182 | //----------------------------------------------------------------------------- |
| 183 | |
| 184 | static void gtk_menu_hilight_callback( GtkWidget *widget, wxMenu *menu ) |
| 185 | { |
| 186 | int id = menu->FindMenuIdByMenuItem(widget); |
| 187 | |
| 188 | wxASSERT( id != -1 ); // should find it! |
| 189 | |
| 190 | if (!menu->IsEnabled(id)) return; |
| 191 | |
| 192 | wxCommandEvent event( wxEVT_MENU_HIGHLIGHT, id ); |
| 193 | event.SetEventObject( menu ); |
| 194 | event.SetInt(id ); |
| 195 | |
| 196 | /* wxMSW doesn't call callback here either |
| 197 | if (menu->m_callback) |
| 198 | { |
| 199 | (void) (*(menu->m_callback)) (*menu, event); |
| 200 | return; |
| 201 | } |
| 202 | */ |
| 203 | |
| 204 | if (menu->GetEventHandler()->ProcessEvent(event)) return; |
| 205 | |
| 206 | wxWindow *win = menu->GetInvokingWindow(); |
| 207 | if (win) win->GetEventHandler()->ProcessEvent( event ); |
| 208 | } |
| 209 | |
| 210 | //----------------------------------------------------------------------------- |
| 211 | // wxMenu |
| 212 | //----------------------------------------------------------------------------- |
| 213 | |
| 214 | IMPLEMENT_DYNAMIC_CLASS(wxMenuItem,wxObject) |
| 215 | |
| 216 | wxMenuItem::wxMenuItem() |
| 217 | { |
| 218 | m_id = ID_SEPARATOR; |
| 219 | m_isCheckMenu = FALSE; |
| 220 | m_isChecked = FALSE; |
| 221 | m_isEnabled = TRUE; |
| 222 | m_subMenu = (wxMenu *) NULL; |
| 223 | m_menuItem = (GtkWidget *) NULL; |
| 224 | } |
| 225 | |
| 226 | void wxMenuItem::SetText(const wxString& str) |
| 227 | { |
| 228 | m_text = ""; |
| 229 | for ( const char *pc = str; *pc != '\0'; pc++ ) { |
| 230 | if ( *pc == '&' ) |
| 231 | pc++; // skip it |
| 232 | |
| 233 | m_text << *pc; |
| 234 | } |
| 235 | } |
| 236 | |
| 237 | void wxMenuItem::Check( bool check ) |
| 238 | { |
| 239 | wxCHECK_RET( IsCheckable(), "Can't check uncheckable item!" ) |
| 240 | |
| 241 | m_isChecked = check; |
| 242 | gtk_check_menu_item_set_state( (GtkCheckMenuItem*)m_menuItem, (gint)check ); |
| 243 | } |
| 244 | |
| 245 | void wxMenuItem::Enable( bool enable ) |
| 246 | { |
| 247 | gtk_widget_set_sensitive( m_menuItem, enable ); |
| 248 | m_isEnabled = enable; |
| 249 | } |
| 250 | |
| 251 | bool wxMenuItem::IsChecked() const |
| 252 | { |
| 253 | wxCHECK( IsCheckable(), FALSE ); // can't get state of uncheckable item! |
| 254 | |
| 255 | bool bIsChecked = ((GtkCheckMenuItem*)m_menuItem)->active != 0; |
| 256 | |
| 257 | wxASSERT( bIsChecked == m_isChecked ); // consistency check |
| 258 | |
| 259 | return bIsChecked; |
| 260 | } |
| 261 | |
| 262 | IMPLEMENT_DYNAMIC_CLASS(wxMenu,wxEvtHandler) |
| 263 | |
| 264 | wxMenu::wxMenu( const wxString& title, const wxFunction func ) |
| 265 | { |
| 266 | m_title = title; |
| 267 | m_items.DeleteContents( TRUE ); |
| 268 | m_invokingWindow = (wxWindow *) NULL; |
| 269 | m_menu = gtk_menu_new(); // Do not show! |
| 270 | m_callback = func; |
| 271 | m_eventHandler = this; |
| 272 | if (m_title.IsNull()) m_title = ""; |
| 273 | if (m_title != "") |
| 274 | { |
| 275 | Append(-2, m_title); |
| 276 | AppendSeparator(); |
| 277 | } |
| 278 | } |
| 279 | |
| 280 | void wxMenu::SetTitle( const wxString& title ) |
| 281 | { |
| 282 | // Waiting for something better. |
| 283 | m_title = title; |
| 284 | } |
| 285 | |
| 286 | const wxString wxMenu::GetTitle() const |
| 287 | { |
| 288 | return m_title; |
| 289 | } |
| 290 | |
| 291 | void wxMenu::AppendSeparator() |
| 292 | { |
| 293 | wxMenuItem *mitem = new wxMenuItem(); |
| 294 | mitem->SetId(ID_SEPARATOR); |
| 295 | |
| 296 | GtkWidget *menuItem = gtk_menu_item_new(); |
| 297 | gtk_menu_append( GTK_MENU(m_menu), menuItem ); |
| 298 | gtk_widget_show( menuItem ); |
| 299 | mitem->SetMenuItem(menuItem); |
| 300 | m_items.Append( mitem ); |
| 301 | } |
| 302 | |
| 303 | void wxMenu::Append( int id, const wxString &item, const wxString &helpStr, bool checkable ) |
| 304 | { |
| 305 | wxMenuItem *mitem = new wxMenuItem(); |
| 306 | mitem->SetId(id); |
| 307 | mitem->SetText(item); |
| 308 | mitem->SetHelp(helpStr); |
| 309 | mitem->SetCheckable(checkable); |
| 310 | const char *text = mitem->GetText(); |
| 311 | GtkWidget *menuItem = checkable ? gtk_check_menu_item_new_with_label(text) |
| 312 | : gtk_menu_item_new_with_label(text); |
| 313 | |
| 314 | mitem->SetMenuItem(menuItem); |
| 315 | |
| 316 | gtk_signal_connect( GTK_OBJECT(menuItem), "activate", |
| 317 | GTK_SIGNAL_FUNC(gtk_menu_clicked_callback), |
| 318 | (gpointer*)this ); |
| 319 | |
| 320 | gtk_signal_connect( GTK_OBJECT(menuItem), "select", |
| 321 | GTK_SIGNAL_FUNC(gtk_menu_hilight_callback), |
| 322 | (gpointer*)this ); |
| 323 | |
| 324 | gtk_menu_append( GTK_MENU(m_menu), menuItem ); |
| 325 | gtk_widget_show( menuItem ); |
| 326 | m_items.Append( mitem ); |
| 327 | } |
| 328 | |
| 329 | void wxMenu::Append( int id, const wxString &text, wxMenu *subMenu, const wxString &helpStr ) |
| 330 | { |
| 331 | wxMenuItem *mitem = new wxMenuItem(); |
| 332 | mitem->SetId(id); |
| 333 | mitem->SetText(text); |
| 334 | |
| 335 | GtkWidget *menuItem = gtk_menu_item_new_with_label(mitem->GetText()); |
| 336 | mitem->SetHelp(helpStr); |
| 337 | mitem->SetMenuItem(menuItem); |
| 338 | mitem->SetSubMenu(subMenu); |
| 339 | |
| 340 | gtk_menu_item_set_submenu( GTK_MENU_ITEM(menuItem), subMenu->m_menu ); |
| 341 | gtk_menu_append( GTK_MENU(m_menu), menuItem ); |
| 342 | gtk_widget_show( menuItem ); |
| 343 | m_items.Append( mitem ); |
| 344 | } |
| 345 | |
| 346 | int wxMenu::FindItem( const wxString itemString ) const |
| 347 | { |
| 348 | wxString s( itemString ); |
| 349 | |
| 350 | int pos; |
| 351 | do { |
| 352 | pos = s.First( '&' ); |
| 353 | if (pos != -1) s.Remove( pos, 1 ); |
| 354 | } while (pos != -1); |
| 355 | |
| 356 | wxNode *node = m_items.First(); |
| 357 | while (node) |
| 358 | { |
| 359 | wxMenuItem *item = (wxMenuItem*)node->Data(); |
| 360 | if (item->GetText() == s) |
| 361 | return item->GetId(); |
| 362 | node = node->Next(); |
| 363 | } |
| 364 | |
| 365 | return -1; |
| 366 | } |
| 367 | |
| 368 | void wxMenu::Enable( int id, bool enable ) |
| 369 | { |
| 370 | wxMenuItem *item = FindItem(id); |
| 371 | if ( item ) |
| 372 | item->Enable(enable); |
| 373 | } |
| 374 | |
| 375 | bool wxMenu::IsEnabled( int id ) const |
| 376 | { |
| 377 | wxMenuItem *item = FindItem(id); |
| 378 | if ( item ) |
| 379 | return item->IsEnabled(); |
| 380 | else |
| 381 | return FALSE; |
| 382 | } |
| 383 | |
| 384 | void wxMenu::Check( int id, bool enable ) |
| 385 | { |
| 386 | wxMenuItem *item = FindItem(id); |
| 387 | if ( item ) |
| 388 | item->Check(enable); |
| 389 | } |
| 390 | |
| 391 | bool wxMenu::IsChecked( int id ) const |
| 392 | { |
| 393 | wxMenuItem *item = FindItem(id); |
| 394 | if ( item ) |
| 395 | return item->IsChecked(); |
| 396 | else |
| 397 | return FALSE; |
| 398 | } |
| 399 | |
| 400 | void wxMenu::SetLabel( int id, const wxString &label ) |
| 401 | { |
| 402 | wxMenuItem *item = FindItem(id); |
| 403 | if (item) |
| 404 | item->SetText(label); |
| 405 | } |
| 406 | |
| 407 | wxString wxMenu::GetLabel( int id ) const |
| 408 | { |
| 409 | wxMenuItem *item = FindItem(id); |
| 410 | if (item) return item->GetText(); |
| 411 | return ""; |
| 412 | } |
| 413 | |
| 414 | void wxMenu::SetHelpString( int id, const wxString& helpString ) |
| 415 | { |
| 416 | wxMenuItem *item = FindItem(id); |
| 417 | if (item) item->SetHelp( helpString ); |
| 418 | } |
| 419 | |
| 420 | wxString wxMenu::GetHelpString( int id ) const |
| 421 | { |
| 422 | wxMenuItem *item = FindItem(id); |
| 423 | if (item) return item->GetHelp(); |
| 424 | return ""; |
| 425 | } |
| 426 | |
| 427 | int wxMenu::FindMenuIdByMenuItem( GtkWidget *menuItem ) const |
| 428 | { |
| 429 | wxNode *node = m_items.First(); |
| 430 | while (node) |
| 431 | { |
| 432 | wxMenuItem *item = (wxMenuItem*)node->Data(); |
| 433 | if (item->GetMenuItem() == menuItem) |
| 434 | return item->GetId(); |
| 435 | node = node->Next(); |
| 436 | } |
| 437 | |
| 438 | return -1; |
| 439 | } |
| 440 | |
| 441 | wxMenuItem *wxMenu::FindItem(int id) const |
| 442 | { |
| 443 | wxNode *node = m_items.First(); |
| 444 | while (node) { |
| 445 | wxMenuItem *item = (wxMenuItem*)node->Data(); |
| 446 | if ( item->GetId() == id ) |
| 447 | return item; |
| 448 | node = node->Next(); |
| 449 | } |
| 450 | |
| 451 | wxLogDebug( "wxMenu::FindItem: item %d not found.", id); |
| 452 | |
| 453 | return (wxMenuItem *) NULL; |
| 454 | } |
| 455 | |
| 456 | void wxMenu::SetInvokingWindow( wxWindow *win ) |
| 457 | { |
| 458 | m_invokingWindow = win; |
| 459 | } |
| 460 | |
| 461 | wxWindow *wxMenu::GetInvokingWindow() |
| 462 | { |
| 463 | return m_invokingWindow; |
| 464 | } |
| 465 | |
| 466 | |