src/mac/carbon/toplevel.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        mac/toplevel.cpp
   3 // Purpose:     implements wxTopLevelWindow for MSW
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     24.09.01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   9 // License:     wxWindows license
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "toplevel.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/app.h"
  33     #include "wx/toplevel.h"
  34     #include "wx/string.h"
  35     #include "wx/log.h"
  36     #include "wx/intl.h"
  37 #endif //WX_PRECOMP
  38
  39 #include "wx/mac/uma.h"
  40 #include "wx/tooltip.h"
  41
  42 // ----------------------------------------------------------------------------
  43 // globals
  44 // ----------------------------------------------------------------------------
  45
  46 // list of all frames and modeless dialogs
  47 wxWindowList wxModelessWindows;
  48
  49 // ============================================================================
  50 // wxTopLevelWindowMac implementation
  51 // ============================================================================
  52
  53 // ---------------------------------------------------------------------------
  54 // wxWindowMac utility functions
  55 // ---------------------------------------------------------------------------
  56
  57 // Find an item given the Macintosh Window Reference
  58
  59 wxList *wxWinMacWindowList = NULL;
  60 wxTopLevelWindowMac *wxFindWinFromMacWindow(WindowRef inWindowRef)
  61 {
  62     wxNode *node = wxWinMacWindowList->Find((long)inWindowRef);
  63     if (!node)
  64         return NULL;
  65     return (wxTopLevelWindowMac *)node->Data();
  66 }
  67
  68 void wxAssociateWinWithMacWindow(WindowRef inWindowRef, wxTopLevelWindowMac *win)
  69 {
  70     // adding NULL WindowRef is (first) surely a result of an error and
  71     // (secondly) breaks menu command processing
  72     wxCHECK_RET( inWindowRef != (WindowRef) NULL, "attempt to add a NULL WindowRef to window list" );
  73
  74     if ( !wxWinMacWindowList->Find((long)inWindowRef) )
  75         wxWinMacWindowList->Append((long)inWindowRef, win);
  76 }
  77
  78 void wxRemoveMacWindowAssociation(wxTopLevelWindowMac *win)
  79 {
  80     wxWinMacWindowList->DeleteObject(win);
  81 }
  82
  83
  84 // ----------------------------------------------------------------------------
  85 // wxTopLevelWindowMac creation
  86 // ----------------------------------------------------------------------------
  87
  88 WindowRef wxTopLevelWindowMac::s_macWindowInUpdate = NULL;
  89
  90 void wxTopLevelWindowMac::Init()
  91 {
  92     m_iconized =
  93     m_maximizeOnShow = FALSE;
  94     m_macNoEraseUpdateRgn = NewRgn() ;
  95     m_macNeedsErasing = false ;
  96 }
  97
  98 bool wxTopLevelWindowMac::Create(wxWindow *parent,
  99                                  wxWindowID id,
 100                                  const wxString& title,
 101                                  const wxPoint& pos,
 102                                  const wxSize& size,
 103                                  long style,
 104                                  const wxString& name)
 105 {
 106     // init our fields
 107     Init();
 108
 109     m_windowStyle = style;
 110
 111     SetName(name);
 112
 113     m_windowId = id == -1 ? NewControlId() : id;
 114
 115     wxTopLevelWindows.Append(this);
 116
 117     if ( parent )
 118         parent->AddChild(this);
 119
 120     return TRUE;
 121 }
 122
 123 wxTopLevelWindowMac::~wxTopLevelWindowMac()
 124 {
 125     wxToolTip::NotifyWindowDelete(m_macWindow) ;
 126     UMADisposeWindow( m_macWindow ) ;
 127
 128     wxRemoveMacWindowAssociation( this ) ;
 129
 130     wxTopLevelWindows.DeleteObject(this);
 131
 132     if ( wxModelessWindows.Find(this) )
 133         wxModelessWindows.DeleteObject(this);
 134
 135     // If this is the last top-level window, exit.
 136     if ( wxTheApp && (wxTopLevelWindows.Number() == 0) )
 137     {
 138         wxTheApp->SetTopWindow(NULL);
 139
 140         if ( wxTheApp->GetExitOnFrameDelete() )
 141         {
 142           wxTheApp->ExitMainLoop() ;
 143         }
 144     }
 145     DisposeRgn( m_macNoEraseUpdateRgn ) ;
 146 }
 147
 148
 149 // ----------------------------------------------------------------------------
 150 // wxTopLevelWindowMac maximize/minimize
 151 // ----------------------------------------------------------------------------
 152
 153 void wxTopLevelWindowMac::Maximize(bool maximize)
 154 {
 155     // not available on mac
 156 }
 157
 158 bool wxTopLevelWindowMac::IsMaximized() const
 159 {
 160     return false ;
 161 }
 162
 163 void wxTopLevelWindowMac::Iconize(bool iconize)
 164 {
 165     // not available on mac
 166 }
 167
 168 bool wxTopLevelWindowMac::IsIconized() const
 169 {
 170         // mac dialogs cannot be iconized
 171     return FALSE;
 172 }
 173
 174 void wxTopLevelWindowMac::Restore()
 175 {
 176     // not available on mac
 177 }
 178
 179 // ----------------------------------------------------------------------------
 180 // wxTopLevelWindowMac misc
 181 // ----------------------------------------------------------------------------
 182
 183 void wxTopLevelWindowMac::SetIcon(const wxIcon& icon)
 184 {
 185     // this sets m_icon
 186     wxTopLevelWindowBase::SetIcon(icon);
 187 }
 188
 189 void  wxTopLevelWindowMac::MacCreateRealWindow( const wxString& title,
 190            const wxPoint& pos,
 191            const wxSize& size,
 192            long style,
 193            const wxString& name )
 194 {
 195   SetName(name);
 196   m_windowStyle = style;
 197   m_isShown = FALSE;
 198
 199   // create frame.
 200
 201     Rect theBoundsRect;
 202
 203   m_x = (int)pos.x;
 204   m_y = (int)pos.y;
 205   if ( m_y < 50 )
 206     m_y = 50 ;
 207   if ( m_x < 20 )
 208     m_x = 20 ;
 209
 210   m_width = size.x;
 211     if (m_width == -1)
 212         m_width = 20;
 213   m_height = size.y;
 214     if (m_height == -1)
 215         m_height = 20;
 216
 217     ::SetRect(&theBoundsRect, m_x, m_y , m_x + m_width, m_y + m_height);
 218
 219     // translate the window attributes in the appropriate window class and attributes
 220
 221     WindowClass wclass = 0;
 222     WindowAttributes attr = kWindowNoAttributes ;
 223
 224     if ( HasFlag(wxTINY_CAPTION_HORIZ) ||  HasFlag(wxTINY_CAPTION_VERT) )
 225     {
 226         wclass = kFloatingWindowClass ;
 227         if ( HasFlag(wxTINY_CAPTION_VERT) )
 228         {
 229             attr |= kWindowSideTitlebarAttribute ;
 230         }
 231     }
 232     else if ( HasFlag( wxCAPTION ) )
 233     {
 234         if ( HasFlag( wxDIALOG_MODAL ) )
 235         {
 236             wclass = kMovableModalWindowClass ;
 237         }
 238         else
 239         {
 240             wclass = kDocumentWindowClass ;
 241         }
 242     }
 243     else
 244     {
 245         wclass = kModalWindowClass ;
 246     }
 247
 248     if ( HasFlag( wxMINIMIZE_BOX ) || HasFlag( wxMAXIMIZE_BOX ) )
 249     {
 250         attr |= kWindowFullZoomAttribute ;
 251         attr |= kWindowCollapseBoxAttribute ;
 252     }
 253     if ( HasFlag( wxRESIZE_BORDER ) )
 254     {
 255         attr |= kWindowResizableAttribute ;
 256     }
 257     if ( HasFlag( wxSYSTEM_MENU ) )
 258     {
 259         attr |= kWindowCloseBoxAttribute ;
 260     }
 261
 262     ::CreateNewWindow( wclass , attr , &theBoundsRect , &m_macWindow ) ;
 263     wxAssociateWinWithMacWindow( m_macWindow , this ) ;
 264     wxString label ;
 265     if( wxApp::s_macDefaultEncodingIsPC )
 266         label = wxMacMakeMacStringFromPC( title ) ;
 267     else
 268         label = title ;
 269     UMASetWTitleC( m_macWindow , label ) ;
 270     ::CreateRootControl( m_macWindow , &m_macRootControl ) ;
 271
 272     m_macFocus = NULL ;
 273 }
 274
 275 void wxTopLevelWindowMac::MacDoGetPortClientParams(Point* localOrigin, Rect* clipRect, WindowRef *window , wxWindowMac** rootwin )
 276 {
 277     localOrigin->h = 0;
 278     localOrigin->v = 0;
 279     clipRect->left = 0;
 280     clipRect->top = 0;
 281     clipRect->right = m_width ;//width;
 282     clipRect->bottom = m_height ;// height;
 283     *window = m_macWindow ;
 284     *rootwin = this ;
 285 }
 286
 287 void wxTopLevelWindowMac::MacGetPortParams(Point* localOrigin, Rect* clipRect, WindowRef *window  , wxWindowMac** rootwin)
 288 {
 289     localOrigin->h = 0;
 290     localOrigin->v = 0;
 291     clipRect->left = 0;
 292     clipRect->top = 0;
 293     clipRect->right = m_width;
 294     clipRect->bottom = m_height;
 295     *window = m_macWindow ;
 296     *rootwin = this ;
 297 }
 298
 299 void wxTopLevelWindowMac::Clear()
 300 {
 301     wxMacDrawingClientHelper helper ( this ) ;
 302     int w ,h ;
 303     wxPoint origin = GetClientAreaOrigin() ;
 304     GetClientSize( &w , &h ) ;
 305     ::SetThemeWindowBackground( m_macWindow , m_macWindowBackgroundTheme , false ) ;
 306     Rect r = { origin.y , origin.x, origin.y+h , origin.x+w } ;
 307     EraseRect( &r ) ;
 308 }
 309
 310 ControlHandle wxTopLevelWindowMac::MacGetContainerForEmbedding()
 311 {
 312     return m_macRootControl ;
 313 }
 314
 315
 316 void wxTopLevelWindowMac::MacUpdate( long timestamp)
 317 {
 318     #if TARGET_CARBON
 319     AGAPortHelper help( GetWindowPort(m_macWindow) ) ;
 320     #else
 321     AGAPortHelper help( (m_macWindow) ) ;
 322     #endif
 323     SetOrigin( 0 , 0 ) ;
 324     BeginUpdate( m_macWindow ) ;
 325
 326     RgnHandle       updateRgn = NewRgn();
 327     RgnHandle       diffRgn = NewRgn() ;
 328     if ( updateRgn && diffRgn )
 329     {
 330         GetPortVisibleRegion( GetWindowPort( m_macWindow ), updateRgn );
 331         DiffRgn( updateRgn , m_macNoEraseUpdateRgn , diffRgn ) ;
 332         if ( !EmptyRgn( updateRgn ) )
 333         {
 334             MacRedraw( updateRgn , timestamp , m_macNeedsErasing || !EmptyRgn( diffRgn )  ) ;
 335         }
 336     }
 337     if ( updateRgn )
 338         DisposeRgn( updateRgn );
 339     if ( diffRgn )
 340         DisposeRgn( diffRgn );
 341     EndUpdate( m_macWindow ) ;
 342     SetEmptyRgn( m_macNoEraseUpdateRgn ) ;
 343     m_macNeedsErasing = false ;
 344 }
 345
 346
 347 // Raise the window to the top of the Z order
 348 void wxTopLevelWindowMac::Raise()
 349 {
 350     ::BringToFront( m_macWindow ) ;
 351 }
 352
 353 // Lower the window to the bottom of the Z order
 354 void wxTopLevelWindowMac::Lower()
 355 {
 356     ::SendBehind( m_macWindow , NULL ) ;
 357 }
 358
 359 Point lastWhere ;
 360 long lastWhen = 0 ;
 361 extern int wxBusyCursorCount ;
 362
 363 void wxTopLevelWindowMac::MacFireMouseEvent( EventRecord *ev )
 364 {
 365     wxMouseEvent event(wxEVT_LEFT_DOWN);
 366     bool isDown = !(ev->modifiers & btnState) ; // 1 is for up
 367     bool controlDown = ev->modifiers & controlKey ; // for simulating right mouse
 368
 369     event.m_leftDown = isDown && !controlDown;
 370
 371     event.m_middleDown = FALSE;
 372     event.m_rightDown = isDown && controlDown;
 373
 374     if ( ev->what == mouseDown )
 375     {
 376         if ( controlDown )
 377             event.SetEventType(wxEVT_RIGHT_DOWN ) ;
 378         else
 379             event.SetEventType(wxEVT_LEFT_DOWN ) ;
 380     }
 381     else if ( ev->what == mouseUp )
 382     {
 383         if ( controlDown )
 384             event.SetEventType(wxEVT_RIGHT_UP ) ;
 385         else
 386             event.SetEventType(wxEVT_LEFT_UP ) ;
 387     }
 388     else
 389     {
 390         event.SetEventType(wxEVT_MOTION ) ;
 391     }
 392
 393     event.m_shiftDown = ev->modifiers & shiftKey;
 394     event.m_controlDown = ev->modifiers & controlKey;
 395     event.m_altDown = ev->modifiers & optionKey;
 396     event.m_metaDown = ev->modifiers & cmdKey;
 397
 398     Point       localwhere = ev->where ;
 399
 400     GrafPtr     port ;
 401     ::GetPort( &port ) ;
 402     ::SetPort( UMAGetWindowPort( m_macWindow ) ) ;
 403     ::GlobalToLocal( &localwhere ) ;
 404     ::SetPort( port ) ;
 405
 406     if ( ev->what == mouseDown )
 407     {
 408         if ( ev->when - lastWhen <= GetDblTime() )
 409         {
 410             if ( abs( localwhere.h - lastWhere.h ) < 3 || abs( localwhere.v - lastWhere.v ) < 3 )
 411             {
 412                 if ( controlDown )
 413                     event.SetEventType(wxEVT_RIGHT_DCLICK ) ;
 414                 else
 415                     event.SetEventType(wxEVT_LEFT_DCLICK ) ;
 416             }
 417             lastWhen = 0 ;
 418         }
 419         else
 420         {
 421             lastWhen = ev->when ;
 422         }
 423         lastWhere = localwhere ;
 424     }
 425
 426     event.m_x = localwhere.h;
 427     event.m_y = localwhere.v;
 428     event.m_x += m_x;
 429     event.m_y += m_y;
 430
 431 /*
 432     wxPoint origin = GetClientAreaOrigin() ;
 433
 434     event.m_x += origin.x ;
 435     event.m_y += origin.y ;
 436 */
 437
 438     event.m_timeStamp = ev->when;
 439     event.SetEventObject(this);
 440     if ( wxTheApp->s_captureWindow )
 441     {
 442         int x = event.m_x ;
 443         int y = event.m_y ;
 444         wxTheApp->s_captureWindow->ScreenToClient( &x , &y ) ;
 445         event.m_x = x ;
 446         event.m_y = y ;
 447         wxTheApp->s_captureWindow->GetEventHandler()->ProcessEvent( event ) ;
 448         if ( ev->what == mouseUp )
 449         {
 450             wxTheApp->s_captureWindow = NULL ;
 451             if ( wxBusyCursorCount == 0 )
 452             {
 453                 m_cursor.MacInstall() ;
 454             }
 455         }
 456     }
 457     else
 458     {
 459         MacDispatchMouseEvent( event ) ;
 460     }
 461 }
 462
 463 void wxTopLevelWindowMac::MacMouseDown( EventRecord *ev , short part)
 464 {
 465     MacFireMouseEvent( ev ) ;
 466 }
 467
 468 void wxTopLevelWindowMac::MacMouseUp( EventRecord *ev , short part)
 469 {
 470     switch (part)
 471     {
 472         case inContent:
 473             {
 474                 MacFireMouseEvent( ev ) ;
 475             }
 476             break ;
 477     }
 478 }
 479
 480 void wxTopLevelWindowMac::MacMouseMoved( EventRecord *ev , short part)
 481 {
 482     switch (part)
 483     {
 484         case inContent:
 485             {
 486                 MacFireMouseEvent( ev ) ;
 487             }
 488             break ;
 489     }
 490 }
 491 void wxTopLevelWindowMac::MacActivate( EventRecord *ev , bool inIsActivating )
 492 {
 493     wxActivateEvent event(wxEVT_ACTIVATE, inIsActivating , m_windowId);
 494     event.m_timeStamp = ev->when ;
 495     event.SetEventObject(this);
 496
 497     GetEventHandler()->ProcessEvent(event);
 498
 499     UMAHighlightAndActivateWindow( m_macWindow , inIsActivating ) ;
 500
 501     Refresh( FALSE ) ;
 502 //  MacSuperEnabled( inIsActivating ) ;
 503 //  MacUpdateImmediately() ;
 504 }
 505
 506 void wxTopLevelWindowMac::MacKeyDown( EventRecord *ev )
 507 {
 508 }
 509
 510 void wxTopLevelWindowMac::SetTitle(const wxString& title)
 511 {
 512     wxWindow::SetTitle( title ) ;
 513
 514     wxString label ;
 515
 516     if( wxApp::s_macDefaultEncodingIsPC )
 517         label = wxMacMakeMacStringFromPC( m_label ) ;
 518     else
 519         label = m_label ;
 520
 521     UMASetWTitleC( m_macWindow , label ) ;
 522 }
 523
 524 bool wxTopLevelWindowMac::Show(bool show)
 525 {
 526     if ( !wxWindow::Show(show) )
 527         return FALSE;
 528
 529     if (show)
 530     {
 531       ::ShowWindow( m_macWindow ) ;
 532       ::SelectWindow( m_macWindow ) ;
 533       // no need to generate events here, they will get them triggered by macos
 534       // actually they should be , but apparently they are not
 535       wxSize size(m_width, m_height);
 536       wxSizeEvent event(size, m_windowId);
 537       event.SetEventObject(this);
 538       GetEventHandler()->ProcessEvent(event);
 539     }
 540     else
 541     {
 542       ::HideWindow( m_macWindow ) ;
 543     }
 544
 545     if ( !show )
 546     {
 547     }
 548     else
 549     {
 550         Refresh() ;
 551     }
 552
 553     return TRUE;
 554 }
 555
 556 void wxTopLevelWindowMac::DoMoveWindow(int x, int y, int width, int height)
 557 {
 558     int former_x = m_x ;
 559     int former_y = m_y ;
 560     int former_w = m_width ;
 561     int former_h = m_height ;
 562
 563   int actualWidth = width;
 564   int actualHeight = height;
 565   int actualX = x;
 566   int actualY = y;
 567
 568     if ((m_minWidth != -1) && (actualWidth < m_minWidth))
 569         actualWidth = m_minWidth;
 570     if ((m_minHeight != -1) && (actualHeight < m_minHeight))
 571         actualHeight = m_minHeight;
 572     if ((m_maxWidth != -1) && (actualWidth > m_maxWidth))
 573         actualWidth = m_maxWidth;
 574     if ((m_maxHeight != -1) && (actualHeight > m_maxHeight))
 575         actualHeight = m_maxHeight;
 576
 577     bool doMove = false ;
 578     bool doResize = false ;
 579
 580     if ( actualX != former_x || actualY != former_y )
 581     {
 582         doMove = true ;
 583     }
 584     if ( actualWidth != former_w || actualHeight != former_h )
 585     {
 586         doResize = true ;
 587     }
 588
 589     if ( doMove || doResize )
 590     {
 591         m_x = actualX ;
 592         m_y = actualY ;
 593         m_width = actualWidth ;
 594         m_height = actualHeight ;
 595
 596         if ( doMove )
 597             ::MoveWindow(m_macWindow, m_x, m_y  , false); // don't make frontmost
 598
 599         if ( doResize )
 600             ::SizeWindow(m_macWindow, m_width, m_height  , true);
 601
 602         // the OS takes care of invalidating and erasing the new area
 603         // we have erased the old one
 604
 605         if ( IsKindOf( CLASSINFO( wxFrame ) ) )
 606         {
 607             wxFrame* frame = (wxFrame*) this ;
 608             frame->PositionStatusBar();
 609             frame->PositionToolBar();
 610         }
 611         if ( doMove )
 612             wxWindowMac::MacTopLevelWindowChangedPosition() ; // like this only children will be notified
 613
 614         MacRepositionScrollBars() ;
 615         if ( doMove )
 616         {
 617             wxPoint point(m_x, m_y);
 618             wxMoveEvent event(point, m_windowId);
 619             event.SetEventObject(this);
 620             GetEventHandler()->ProcessEvent(event) ;
 621         }
 622         if ( doResize )
 623         {
 624              MacRepositionScrollBars() ;
 625              wxSize size(m_width, m_height);
 626              wxSizeEvent event(size, m_windowId);
 627              event.SetEventObject(this);
 628              GetEventHandler()->ProcessEvent(event);
 629         }
 630     }
 631
 632 }
 633
 634 /*
 635  * Invalidation Mechanism
 636  *
 637  * The update mechanism reflects exactely the windows mechanism
 638  * the rect gets added to the window invalidate region, if the eraseBackground flag
 639  * has been true for any part of the update rgn the background is erased in the entire region
 640  * not just in the specified rect.
 641  *
 642  * In order to achive this, we also have an internal m_macNoEraseUpdateRgn, all rects that have
 643  * the eraseBackground flag set to false are also added to this rgn. upon receiving an update event
 644  * the update rgn is compared to the m_macNoEraseUpdateRgn and in case they differ, every window
 645  * will get the eraseBackground event first
 646  */
 647
 648 void wxTopLevelWindowMac::MacInvalidate( const Rect * rect, bool eraseBackground )
 649 {
 650   GrafPtr formerPort ;
 651   GetPort( &formerPort ) ;
 652   SetPortWindowPort( m_macWindow ) ;
 653
 654   m_macNeedsErasing |= eraseBackground ;
 655
 656   // if we already know that we will have to erase, there's no need to track the rest
 657   if ( !m_macNeedsErasing)
 658   {
 659     // we end only here if eraseBackground is false
 660     // if we already have a difference between m_macNoEraseUpdateRgn and UpdateRgn
 661     // we will have to erase anyway
 662
 663     RgnHandle       updateRgn = NewRgn();
 664     RgnHandle       diffRgn = NewRgn() ;
 665     if ( updateRgn && diffRgn )
 666     {
 667         GetWindowUpdateRgn( m_macWindow , updateRgn );
 668         Point pt = {0,0} ;
 669         LocalToGlobal( &pt ) ;
 670         OffsetRgn( updateRgn , -pt.h , -pt.v ) ;
 671         DiffRgn( updateRgn , m_macNoEraseUpdateRgn , diffRgn ) ;
 672         if ( !EmptyRgn( diffRgn ) )
 673         {
 674             m_macNeedsErasing = true ;
 675         }
 676     }
 677     if ( updateRgn )
 678         DisposeRgn( updateRgn );
 679     if ( diffRgn )
 680         DisposeRgn( diffRgn );
 681
 682     if ( !m_macNeedsErasing )
 683     {
 684       RgnHandle rectRgn = NewRgn() ;
 685       SetRectRgn( rectRgn , rect->left , rect->top , rect->right , rect->bottom ) ;
 686       UnionRgn( m_macNoEraseUpdateRgn , rectRgn , m_macNoEraseUpdateRgn ) ;
 687       DisposeRgn( rectRgn ) ;
 688     }
 689   }
 690   InvalWindowRect( m_macWindow , rect ) ;
 691   // turn this on to debug the refreshing cycle
 692 #if 0
 693   PaintRect( rect ) ;
 694 #endif
 695   SetPort( formerPort ) ;
 696 }