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