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