src/mac/frame.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        frame.cpp
   3 // Purpose:     wxFrame
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "frame.h"
  14 #endif
  15
  16 #include "wx/frame.h"
  17 #include "wx/statusbr.h"
  18 #include "wx/toolbar.h"
  19 #include "wx/menuitem.h"
  20 #include "wx/menu.h"
  21 #include "wx/dcclient.h"
  22 #include "wx/dialog.h"
  23 #include "wx/settings.h"
  24 #include "wx/app.h"
  25
  26 #include <wx/mac/uma.h>
  27
  28 extern wxList wxModelessWindows;
  29 extern wxList wxPendingDelete;
  30
  31 #if !USE_SHARED_LIBRARY
  32 BEGIN_EVENT_TABLE(wxFrame, wxWindow)
  33   EVT_SIZE(wxFrame::OnSize)
  34   EVT_ACTIVATE(wxFrame::OnActivate)
  35   EVT_MENU_HIGHLIGHT_ALL(wxFrame::OnMenuHighlight)
  36   EVT_SYS_COLOUR_CHANGED(wxFrame::OnSysColourChanged)
  37   EVT_IDLE(wxFrame::OnIdle)
  38   EVT_CLOSE(wxFrame::OnCloseWindow)
  39 END_EVENT_TABLE()
  40
  41 IMPLEMENT_DYNAMIC_CLASS(wxFrame, wxWindow)
  42 #endif
  43
  44 #if wxUSE_NATIVE_STATUSBAR
  45 bool wxFrame::m_useNativeStatusBar = TRUE;
  46 #else
  47 bool wxFrame::m_useNativeStatusBar = FALSE;
  48 #endif
  49
  50 wxFrame::wxFrame()
  51 {
  52 #if wxUSE_TOOLBAR
  53   m_frameToolBar = NULL ;
  54 #endif
  55
  56         // in order to be able to give size events on show
  57   m_frameMenuBar = NULL;
  58   m_frameStatusBar = NULL;
  59   m_iconized = FALSE;
  60   m_isShown = FALSE;
  61 }
  62
  63 bool wxFrame::Create(wxWindow *parent,
  64            wxWindowID id,
  65            const wxString& title,
  66            const wxPoint& pos,
  67            const wxSize& size,
  68            long style,
  69            const wxString& name)
  70 {
  71   if (!parent)
  72     wxTopLevelWindows.Append(this);
  73
  74   SetName(name);
  75   m_windowStyle = style;
  76   m_frameMenuBar = NULL;
  77   m_isShown = FALSE;
  78
  79 #if wxUSE_TOOLBAR
  80   m_frameToolBar = NULL ;
  81 #endif
  82   m_frameStatusBar = NULL;
  83
  84   SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
  85
  86   if ( id > -1 )
  87     m_windowId = id;
  88   else
  89     m_windowId = (int)NewControlId();
  90
  91   if (parent) parent->AddChild(this);
  92
  93   wxModelessWindows.Append(this);
  94
  95   // create frame.
  96
  97         Rect theBoundsRect;
  98
  99   m_x = (int)pos.x;
 100   m_y = (int)pos.y;
 101   if ( m_y < 50 )
 102         m_y = 50 ;
 103   if ( m_x < 20 )
 104         m_x = 20 ;
 105
 106   m_width = size.x;
 107         if (m_width == -1)
 108                 m_width = 20;
 109   m_height = size.y;
 110         if (m_height == -1)
 111                 m_height = 20;
 112
 113         m_macWindowData = new MacWindowData() ;
 114
 115         ::SetRect(&theBoundsRect, m_x, m_y, m_x + m_width, m_y + m_height);
 116
 117         WindowClass wclass = kDocumentWindowClass ;
 118         WindowAttributes attr = kWindowNoAttributes ;
 119
 120         if ( ( m_windowStyle & wxMINIMIZE_BOX ) || ( m_windowStyle & wxMAXIMIZE_BOX ) )
 121         {
 122                 attr |= kWindowFullZoomAttribute ;
 123                 attr |= kWindowResizableAttribute ;
 124         }
 125         if ( m_windowStyle & wxSTAY_ON_TOP )
 126         {
 127                 wclass = kFloatingWindowClass ;
 128
 129 //                      if ( m_windowStyle & wxCAPTION )
 130 //                              attr |= kHasPaletteTitlebarMask ;
 131         }
 132         else
 133         {
 134         }
 135         if ( m_windowStyle & wxSYSTEM_MENU )
 136         {
 137                 attr |= kWindowCloseBoxAttribute ;
 138         }
 139         UMACreateNewWindow( wclass , attr , &theBoundsRect , &m_macWindowData->m_macWindow ) ;
 140         wxAssociateWinWithMacWindow( m_macWindowData->m_macWindow , this ) ;
 141         wxString label ;
 142         if( wxApp::s_macDefaultEncodingIsPC )
 143                 label = wxMacMakeMacStringFromPC( title ) ;
 144         else
 145                 label = title ;
 146         UMASetWTitleC( m_macWindowData->m_macWindow , label ) ;
 147         UMACreateRootControl( m_macWindowData->m_macWindow , &m_macWindowData->m_macRootControl ) ;
 148         m_macWindowData->m_macWindowBackgroundTheme = kThemeBrushDocumentWindowBackground ;
 149         m_macWindowData->m_macFocus = NULL ;
 150   return TRUE;
 151 }
 152
 153 wxFrame::~wxFrame()
 154 {
 155   wxTopLevelWindows.DeleteObject(this);
 156
 157   if (m_frameStatusBar)
 158     delete m_frameStatusBar;
 159   if (m_frameMenuBar)
 160     delete m_frameMenuBar;
 161
 162 /* Check if it's the last top-level window */
 163
 164   if (wxTheApp && (wxTopLevelWindows.Number() == 0))
 165   {
 166     wxTheApp->SetTopWindow(NULL);
 167
 168     if (wxTheApp->GetExitOnFrameDelete())
 169     {
 170        wxTheApp->ExitMainLoop() ;
 171     }
 172   }
 173
 174   wxModelessWindows.DeleteObject(this);
 175 }
 176
 177
 178 void wxFrame::Iconize(bool iconize)
 179 {
 180     // TODO
 181 }
 182
 183 // Equivalent to maximize/restore in Windows
 184 void wxFrame::Maximize(bool maximize)
 185 {
 186     // TODO
 187 }
 188
 189 bool wxFrame::IsIconized() const
 190 {
 191     // TODO
 192     return FALSE;
 193 }
 194
 195 // Is the frame maximized?
 196 bool wxFrame::IsMaximized(void) const
 197 {
 198     // TODO
 199     return FALSE;
 200 }
 201
 202 void wxFrame::SetIcon(const wxIcon& icon)
 203 {
 204   m_icon = icon;
 205   // TODO
 206 }
 207
 208 wxStatusBar *wxFrame::OnCreateStatusBar(int number, long style, wxWindowID id,
 209     const wxString& name)
 210 {
 211     wxStatusBar *statusBar = NULL;
 212
 213     statusBar = new wxStatusBar(this, id, wxPoint(0, 0), wxSize(100, 17),
 214         style, name);
 215
 216     // Set the height according to the font and the border size
 217     // we shouldn't do this on the mac, because we have to fit the grow box
 218     /*
 219     wxClientDC dc(statusBar);
 220     dc.SetFont(statusBar->GetFont());
 221
 222     long x, y;
 223     dc.GetTextExtent("X", &x, &y);
 224
 225     int height = (int)( (y  * 1.1) + 2* statusBar->GetBorderY());
 226
 227     statusBar->SetSize(-1, -1, 100, height);
 228
 229                 */
 230
 231     statusBar->SetFieldsCount(number);
 232     return statusBar;
 233 }
 234
 235 wxStatusBar* wxFrame::CreateStatusBar(int number, long style, wxWindowID id,
 236     const wxString& name)
 237 {
 238   // Calling CreateStatusBar twice is an error.
 239   wxCHECK_MSG( m_frameStatusBar == NULL, FALSE,
 240                "recreating status bar in wxFrame" );
 241
 242   m_frameStatusBar = OnCreateStatusBar(number, style, id,
 243     name);
 244   if ( m_frameStatusBar )
 245   {
 246     PositionStatusBar();
 247     return m_frameStatusBar;
 248   }
 249   else
 250     return NULL;
 251 }
 252
 253 void wxFrame::SetStatusText(const wxString& text, int number)
 254 {
 255   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set text for" );
 256
 257   m_frameStatusBar->SetStatusText(text, number);
 258 }
 259
 260 void wxFrame::SetStatusWidths(int n, const int widths_field[])
 261 {
 262   wxCHECK_RET( m_frameStatusBar != NULL, "no statusbar to set widths for" );
 263
 264   m_frameStatusBar->SetStatusWidths(n, widths_field);
 265   PositionStatusBar();
 266 }
 267
 268 void wxFrame::PositionStatusBar()
 269 {
 270   if (m_frameStatusBar )
 271   {
 272     int w, h;
 273     GetClientSize(&w, &h);
 274     int sw, sh;
 275     m_frameStatusBar->GetSize(&sw, &sh);
 276
 277     // Since we wish the status bar to be directly under the client area,
 278     // we use the adjusted sizes without using wxSIZE_NO_ADJUSTMENTS.
 279     m_frameStatusBar->SetSize(0, h, w, sh);
 280    }
 281 }
 282
 283 void wxFrame::SetMenuBar(wxMenuBar *menuBar)
 284 {
 285     if (!menuBar)
 286     {
 287         m_frameMenuBar = NULL;
 288         return;
 289     }
 290
 291     m_frameMenuBar = menuBar;
 292                 // TODO : we move this into the app code
 293     m_frameMenuBar->MacInstallMenuBar() ;
 294 }
 295
 296 void wxFrame::Fit()
 297 {
 298   // Work out max. size
 299   wxNode *node = GetChildren().First();
 300   int max_width = 0;
 301   int max_height = 0;
 302   while (node)
 303   {
 304     // Find a child that's a subwindow, but not a dialog box.
 305     wxWindow *win = (wxWindow *)node->Data();
 306
 307     if (!win->IsKindOf(CLASSINFO(wxFrame)) &&
 308          !win->IsKindOf(CLASSINFO(wxDialog)))
 309     {
 310       int width, height;
 311       int x, y;
 312       win->GetSize(&width, &height);
 313       win->GetPosition(&x, &y);
 314
 315       if ((x + width) > max_width)
 316         max_width = x + width;
 317       if ((y + height) > max_height)
 318         max_height = y + height;
 319     }
 320     node = node->Next();
 321   }
 322   SetClientSize(max_width, max_height);
 323 }
 324
 325 // Responds to colour changes, and passes event on to children.
 326 void wxFrame::OnSysColourChanged(wxSysColourChangedEvent& event)
 327 {
 328     SetBackgroundColour(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_APPWORKSPACE));
 329     Refresh();
 330
 331     if ( m_frameStatusBar )
 332     {
 333         wxSysColourChangedEvent event2;
 334         event2.SetEventObject( m_frameStatusBar );
 335         m_frameStatusBar->ProcessEvent(event2);
 336     }
 337
 338     // Propagate the event to the non-top-level children
 339     wxWindow::OnSysColourChanged(event);
 340 }
 341
 342 // Default resizing behaviour - if only ONE subwindow,
 343 // resize to client rectangle size
 344 void wxFrame::OnIdle(wxIdleEvent& WXUNUSED(event) )
 345 {
 346     DoMenuUpdates();
 347 }
 348
 349
 350 // update all menus
 351 void wxFrame::DoMenuUpdates()
 352 {
 353     wxMenuBar* bar = GetMenuBar();
 354
 355     if ( bar != NULL )
 356     {
 357         int nCount = bar->GetMenuCount();
 358         for (int n = 0; n < nCount; n++)
 359             DoMenuUpdates(bar->GetMenu(n), (wxWindow*) NULL);
 360     }
 361 }
 362
 363 // update a menu and all submenus recursively
 364 void wxFrame::DoMenuUpdates(wxMenu* menu, wxWindow* WXUNUSED(focusWin))
 365 {
 366     wxEvtHandler* evtHandler = GetEventHandler();
 367     wxMenuItemList::Node* node = menu->GetMenuItems().GetFirst();
 368     while (node)
 369     {
 370         wxMenuItem* item = node->GetData();
 371         if ( !item->IsSeparator() )
 372         {
 373             wxWindowID id = item->GetId();
 374             wxUpdateUIEvent event(id);
 375             event.SetEventObject( this );
 376
 377             if (evtHandler->ProcessEvent(event))
 378             {
 379                 if (event.GetSetText())
 380                     menu->SetLabel(id, event.GetText());
 381                 if (event.GetSetChecked())
 382                     menu->Check(id, event.GetChecked());
 383                 if (event.GetSetEnabled())
 384                     menu->Enable(id, event.GetEnabled());
 385             }
 386
 387             if (item->GetSubMenu())
 388                 DoMenuUpdates(item->GetSubMenu(), (wxWindow*) NULL);
 389         }
 390         node = node->GetNext();
 391     }
 392 }
 393
 394 void wxFrame::OnSize(wxSizeEvent& event)
 395 {
 396   // if we're using constraints - do use them
 397   #if wxUSE_CONSTRAINTS
 398     if ( GetAutoLayout() ) {
 399       Layout();
 400       return;
 401     }
 402   #endif
 403
 404   // do we have _exactly_ one child?
 405   wxWindow *child = NULL;
 406   for ( wxNode *node = GetChildren().First(); node; node = node->Next() )
 407   {
 408     wxWindow *win = (wxWindow *)node->Data();
 409     if ( !win->IsKindOf(CLASSINFO(wxFrame))  &&
 410          !win->IsKindOf(CLASSINFO(wxDialog)) &&
 411          (win != GetStatusBar())
 412 #if wxUSE_TOOLBAR
 413          &&
 414          (win != GetToolBar())
 415 #endif
 416          )
 417     {
 418       if ( child )
 419         return;     // it's our second subwindow - nothing to do
 420       child = win;
 421     }
 422   }
 423
 424   if ( child ) {
 425     // we have exactly one child - set it's size to fill the whole frame
 426     int clientW, clientH;
 427     GetClientSize(&clientW, &clientH);
 428
 429     int x = 0;
 430     int y = 0;
 431
 432     child->SetSize(x, y, clientW, clientH);
 433   }
 434 }
 435
 436 // Default activation behaviour - set the focus for the first child
 437 // subwindow found.
 438 void wxFrame::OnActivate(wxActivateEvent& event)
 439 {
 440   for(wxNode *node = GetChildren().First(); node; node = node->Next())
 441   {
 442     // Find a child that's a subwindow, but not a dialog box.
 443     wxWindow *child = (wxWindow *)node->Data();
 444     if (!child->IsKindOf(CLASSINFO(wxFrame)) &&
 445          !child->IsKindOf(CLASSINFO(wxDialog)))
 446     {
 447       child->SetFocus();
 448       return;
 449     }
 450   }
 451 }
 452
 453 // The default implementation for the close window event.
 454 void wxFrame::OnCloseWindow(wxCloseEvent& event)
 455 {
 456     this->Destroy();
 457 }
 458
 459 // Destroy the window (delayed, if a managed window)
 460 bool wxFrame::Destroy()
 461 {
 462   if (!wxPendingDelete.Member(this))
 463     wxPendingDelete.Append(this);
 464   return TRUE;
 465 }
 466
 467 // Default menu selection behaviour - display a help string
 468 void wxFrame::OnMenuHighlight(wxMenuEvent& event)
 469 {
 470   if (GetStatusBar())
 471   {
 472     if (event.GetMenuId() == -1)
 473       SetStatusText("");
 474     else
 475     {
 476       wxMenuBar *menuBar = GetMenuBar();
 477       if (menuBar)
 478       {
 479         wxString helpString(menuBar->GetHelpString(event.GetMenuId()));
 480         if (helpString != "")
 481           SetStatusText(helpString);
 482       }
 483     }
 484   }
 485 }
 486
 487 wxMenuBar *wxFrame::GetMenuBar() const
 488 {
 489   return m_frameMenuBar;
 490 }
 491
 492
 493 // Call this to simulate a menu command
 494 void wxFrame::Command(int id)
 495 {
 496   ProcessCommand(id);
 497 }
 498
 499 void wxFrame::ProcessCommand(int id)
 500 {
 501   wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, id);
 502   commandEvent.SetInt( id );
 503   commandEvent.SetEventObject( this );
 504
 505   wxMenuBar *bar = GetMenuBar() ;
 506   if (!bar)
 507     return;
 508
 509 /* TODO: check the menu item if required
 510   wxMenuItem *item = bar->FindItemForId(id) ;
 511   if (item && item->IsCheckable())
 512   {
 513     bar->Check(id,!bar->Checked(id)) ;
 514   }
 515 */
 516
 517   GetEventHandler()->ProcessEvent(commandEvent);
 518 }
 519
 520 // Checks if there is a toolbar, and returns the first free client position
 521 wxPoint wxFrame::GetClientAreaOrigin() const
 522 {
 523     wxPoint pt(0, 0);
 524 #if wxUSE_TOOLBAR
 525     if (GetToolBar())
 526     {
 527         int w, h;
 528         GetToolBar()->GetSize(& w, & h);
 529
 530         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 531         {
 532             pt.x += w;
 533         }
 534         else
 535         {
 536             pt.y += h;
 537         }
 538     }
 539 #endif
 540     return pt;
 541 }
 542
 543 void wxFrame::DoGetClientSize(int *x, int *y) const
 544 {
 545         wxWindow::DoGetClientSize( x , y ) ;
 546
 547   if ( GetStatusBar() )
 548   {
 549     int statusX, statusY;
 550     GetStatusBar()->GetClientSize(&statusX, &statusY);
 551     *y -= statusY;
 552   }
 553
 554   wxPoint pt(GetClientAreaOrigin());
 555   *y -= pt.y;
 556   *x -= pt.x;
 557 }
 558
 559 void wxFrame::DoSetClientSize(int clientwidth, int clientheight)
 560 {
 561         int currentclientwidth , currentclientheight ;
 562         int currentwidth , currentheight ;
 563
 564         GetClientSize( &currentclientwidth , &currentclientheight ) ;
 565         GetSize( &currentwidth , &currentheight ) ;
 566
 567         // find the current client size
 568
 569   // Find the difference between the entire window (title bar and all)
 570   // and the client area; add this to the new client size to move the
 571   // window
 572
 573         DoSetSize( -1 , -1 , currentwidth + clientwidth - currentclientwidth ,
 574                 currentheight + clientheight - currentclientheight , wxSIZE_USE_EXISTING ) ;
 575 }
 576
 577
 578 #if wxUSE_TOOLBAR
 579 wxToolBar* wxFrame::CreateToolBar(long style, wxWindowID id, const wxString& name)
 580 {
 581     wxCHECK_MSG( m_frameToolBar == NULL, FALSE,
 582                "recreating toolbar in wxFrame" );
 583
 584     wxToolBar* toolBar = OnCreateToolBar(style, id, name);
 585     if (toolBar)
 586     {
 587         SetToolBar(toolBar);
 588         PositionToolBar();
 589         return toolBar;
 590     }
 591     else
 592     {
 593         return NULL;
 594     }
 595 }
 596
 597 wxToolBar* wxFrame::OnCreateToolBar(long style, wxWindowID id, const wxString& name)
 598 {
 599     return new wxToolBar(this, id, wxDefaultPosition, wxDefaultSize, style, name);
 600 }
 601
 602 void wxFrame::PositionToolBar()
 603 {
 604     int cw, ch;
 605
 606     // TODO: we actually need to use the low-level client size, before
 607     // the toolbar/status bar were added.
 608     // So DEFINITELY replace the line below with something appropriate.
 609
 610    //  GetClientSize(& cw, &ch);
 611
 612                 cw = m_width ;
 613                 ch = m_height ;
 614
 615     if ( GetStatusBar() )
 616     {
 617       int statusX, statusY;
 618       GetStatusBar()->GetClientSize(&statusX, &statusY);
 619       ch -= statusY;
 620     }
 621
 622     if (GetToolBar())
 623     {
 624         int tw, th;
 625         GetToolBar()->GetSize(& tw, & th);
 626
 627         if (GetToolBar()->GetWindowStyleFlag() & wxTB_VERTICAL)
 628         {
 629             // Use the 'real' position. wxSIZE_NO_ADJUSTMENTS
 630             // means, pretend we don't have toolbar/status bar, so we
 631             // have the original client size.
 632             GetToolBar()->SetSize(0, 0, tw, ch, wxSIZE_NO_ADJUSTMENTS);
 633         }
 634         else
 635         {
 636             // Use the 'real' position
 637             GetToolBar()->SetSize(0, 0, cw, th, wxSIZE_NO_ADJUSTMENTS);
 638         }
 639     }
 640 }
 641 #endif