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