contrib/src/fl/controlbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        No names yet.
   3 // Purpose:     Contrib. demo
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     06/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "controlbar.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20 #pragma hdrstop
  21 #endif
  22
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include <math.h>
  28 #include <stdlib.h>
  29
  30 #include "wx/string.h"
  31 #include "wx/utils.h"     // import wxMin,wxMax macros
  32 #include "wx/minifram.h"
  33
  34 #include "wx/fl/controlbar.h"
  35
  36 // import classes of default plugins
  37
  38 #include "wx/fl/panedrawpl.h"
  39 #include "wx/fl/rowlayoutpl.h"
  40 #include "wx/fl/antiflickpl.h"
  41 #include "wx/fl/bardragpl.h"
  42 #include "wx/fl/cbcustom.h"
  43
  44 #include "wx/fl/gcupdatesmgr.h"   // import default updates manager class ("garbage-collecting" one)
  45 #include "wx/fl/updatesmgr.h"
  46
  47 #include "wx/fl/toolwnd.h"
  48
  49 // These are the event IDs being initialized to a value to
  50 // meet the new event paradigm as of wx2.3.0.  Probably we
  51 // should find a way to make these be non-global, but this
  52 // works for right now.
  53 #if wxCHECK_VERSION(2,3,0)
  54     wxEventType cbEVT_PL_LEFT_DOWN = wxNewEventType();
  55     wxEventType cbEVT_PL_LEFT_UP = wxNewEventType();
  56     wxEventType cbEVT_PL_RIGHT_DOWN = wxNewEventType();
  57     wxEventType cbEVT_PL_RIGHT_UP = wxNewEventType();
  58     wxEventType cbEVT_PL_MOTION = wxNewEventType();
  59
  60     wxEventType cbEVT_PL_LEFT_DCLICK = wxNewEventType();
  61
  62     wxEventType cbEVT_PL_LAYOUT_ROW = wxNewEventType();
  63     wxEventType cbEVT_PL_RESIZE_ROW = wxNewEventType();
  64     wxEventType cbEVT_PL_LAYOUT_ROWS = wxNewEventType();
  65     wxEventType cbEVT_PL_INSERT_BAR = wxNewEventType();
  66     wxEventType cbEVT_PL_RESIZE_BAR = wxNewEventType();
  67     wxEventType cbEVT_PL_REMOVE_BAR = wxNewEventType();
  68     wxEventType cbEVT_PL_SIZE_BAR_WND = wxNewEventType();
  69
  70     wxEventType cbEVT_PL_DRAW_BAR_DECOR = wxNewEventType();
  71     wxEventType cbEVT_PL_DRAW_ROW_DECOR = wxNewEventType();
  72     wxEventType cbEVT_PL_DRAW_PANE_DECOR = wxNewEventType();
  73     wxEventType cbEVT_PL_DRAW_BAR_HANDLES = wxNewEventType();
  74     wxEventType cbEVT_PL_DRAW_ROW_HANDLES = wxNewEventType();
  75     wxEventType cbEVT_PL_DRAW_ROW_BKGROUND = wxNewEventType();
  76     wxEventType cbEVT_PL_DRAW_PANE_BKGROUND = wxNewEventType();
  77
  78     wxEventType cbEVT_PL_START_BAR_DRAGGING = wxNewEventType();
  79     wxEventType cbEVT_PL_DRAW_HINT_RECT = wxNewEventType();
  80
  81     wxEventType cbEVT_PL_START_DRAW_IN_AREA = wxNewEventType();
  82     wxEventType cbEVT_PL_FINISH_DRAW_IN_AREA = wxNewEventType();
  83
  84     wxEventType cbEVT_PL_CUSTOMIZE_BAR = wxNewEventType();
  85     wxEventType cbEVT_PL_CUSTOMIZE_LAYOUT = wxNewEventType();
  86
  87     wxEventType wxCUSTOM_CB_PLUGIN_EVENTS_START_AT = wxNewEventType();
  88 #endif // #if wxCHECK_VERSION(2,3,0)
  89
  90 // some ascii-art, still can't get these *nice* cursors working on wx... :-(
  91
  92 static const char* _gHorizCursorImg[] =
  93 {
  94     "............XX....XX............",
  95     "............XX....XX............",
  96     "............XX....XX............",
  97     "............XX....XX............",
  98     "............XX....XX............",
  99     "...X........XX....XX........X...",
 100     "..XX........XX....XX........XX..",
 101     ".XXX........XX....XX........XXX.",
 102     "XXXXXXXXXXXXXX....XXXXXXXXXXXXXX",
 103     ".XXX........XX....XX........XXX.",
 104     "..XX........XX....XX........XX..",
 105     "...X........XX....XX........X...",
 106     "............XX....XX............",
 107     "............XX....XX............",
 108     "............XX....XX............",
 109     "............XX....XX............"
 110 };
 111
 112 static const char* _gVertCursorImg[] =
 113 {
 114     "................X...............",
 115     "...............XXX..............",
 116     "..............XXXXX.............",
 117     ".............XXXXXXX............",
 118     "................X...............",
 119     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 120     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 121     "................................",
 122     "................................",
 123     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 124     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 125     "................X...............",
 126     ".............XXXXXXX............",
 127     "..............XXXXX.............",
 128     "...............XXX..............",
 129     "................X..............."
 130 };
 131
 132 // helper inline functions
 133
 134 static inline bool rect_contains_point( const wxRect& rect, int x, int y )
 135 {
 136     return ( x >= rect.x &&
 137              y >= rect.y &&
 138              x <  rect.x + rect.width  &&
 139              y <  rect.y + rect.height );
 140 }
 141
 142 static inline bool rect_hits_rect( const wxRect& r1, const wxRect& r2 )
 143 {
 144     if ( ( r2.x >= r1.x && r2.x <= r1.x + r1.width ) ||
 145          ( r1.x >= r2.x && r1.x <= r2.x + r2.width ) )
 146
 147         if ( ( r2.y >= r1.y && r2.y <= r1.y + r1.height ) ||
 148              ( r1.y >= r2.y && r1.y <= r2.y + r2.height ) )
 149
 150             return 1;
 151
 152     return 0;
 153 }
 154
 155 static inline void hide_rect( wxRect& r )
 156 {
 157     r.x = 32768;
 158     r.y = 32768;
 159     r.width  = 1;
 160     r.height = 1;
 161 }
 162
 163 static inline void clip_rect_against_rect( wxRect& r1, const wxRect& r2 )
 164 {
 165     if ( r1.x < r2.x              ||
 166          r1.y < r2.y              ||
 167          r1.x >= r2.x + r2.width  ||
 168          r1.y >= r2.y + r2.height
 169        )
 170     {
 171         hide_rect( r1 );
 172         return;
 173     }
 174     else
 175     {
 176         if ( r1.x + r1.width  > r2.x + r2.width )
 177
 178             r1.width = r2.x + r2.width - r1.x;
 179
 180         if ( r1.y + r1.height > r2.y + r2.height )
 181
 182             r1.height = r2.y + r2.height - r1.y;
 183     }
 184 }
 185
 186 /***** Implementation for class cbBarSpy *****/
 187
 188 IMPLEMENT_DYNAMIC_CLASS( cbBarSpy, wxEvtHandler )
 189
 190 cbBarSpy::cbBarSpy(void)
 191     : mpLayout(0),
 192       mpBarWnd(0)
 193 {}
 194
 195 cbBarSpy::cbBarSpy( wxFrameLayout* pPanel )
 196
 197     : mpLayout(pPanel),
 198       mpBarWnd(0)
 199 {}
 200
 201 void cbBarSpy::SetBarWindow( wxWindow* pWnd )
 202 {
 203     mpBarWnd = pWnd;
 204 }
 205
 206 bool cbBarSpy::ProcessEvent(wxEvent& event)
 207 {
 208     bool handled = wxEvtHandler::ProcessEvent( event );
 209
 210     int type = event.GetEventType();
 211
 212     if ( !handled && ( type == wxEVT_LEFT_DOWN ||
 213                        type == wxEVT_LEFT_DCLICK ) )
 214     {
 215         wxMouseEvent& mevent = *((wxMouseEvent*)&event);
 216
 217         int x = mevent.m_x;
 218         int y = mevent.m_y;
 219
 220         mpBarWnd->ClientToScreen( &x, &y );
 221         mpLayout->GetParentFrame().ScreenToClient( &x, &y );
 222
 223         mevent.m_x = x;
 224         mevent.m_y = y;
 225
 226         // forwared not-handled event to frame-layout
 227
 228         if ( type == wxEVT_LEFT_DOWN )
 229         {
 230             //mpLayout->OnLButtonDown( mevent );
 231             event.Skip();
 232         }
 233         else
 234             mpLayout->OnLDblClick( mevent );
 235
 236         //event.Skip(FALSE);
 237     }
 238
 239     return handled;
 240 }
 241
 242 /***** Implementation for class wxFrameLayout *****/
 243
 244 IMPLEMENT_DYNAMIC_CLASS( wxFrameLayout, wxEvtHandler )
 245
 246 BEGIN_EVENT_TABLE( wxFrameLayout, wxEvtHandler )
 247
 248     EVT_PAINT      ( wxFrameLayout::OnPaint       )
 249     EVT_SIZE       ( wxFrameLayout::OnSize        )
 250     EVT_LEFT_DOWN  ( wxFrameLayout::OnLButtonDown )
 251     EVT_LEFT_UP    ( wxFrameLayout::OnLButtonUp   )
 252     EVT_RIGHT_DOWN ( wxFrameLayout::OnRButtonDown )
 253     EVT_RIGHT_UP   ( wxFrameLayout::OnRButtonUp   )
 254     EVT_MOTION     ( wxFrameLayout::OnMouseMove   )
 255
 256     EVT_LEFT_DCLICK( wxFrameLayout::OnLDblClick   )
 257
 258     EVT_IDLE       ( wxFrameLayout::OnIdle        )
 259     EVT_SET_FOCUS  ( wxFrameLayout::OnSetFocus    )
 260     EVT_KILL_FOCUS ( wxFrameLayout::OnKillFocus   )
 261
 262     EVT_ACTIVATE   ( wxFrameLayout::OnActivate    )
 263
 264     EVT_ERASE_BACKGROUND( wxFrameLayout::OnEraseBackground )
 265
 266 END_EVENT_TABLE()
 267
 268 // FIXME:: how to eliminate these cut&pasted constructors?
 269
 270 wxFrameLayout::wxFrameLayout(void)
 271
 272     : mpFrame      ( NULL ),
 273       mpFrameClient( NULL ),
 274
 275       mDarkPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
 276       mLightPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT), 1, wxSOLID ),
 277       mGrayPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 278       mBlackPen ( wxColour(  0,  0,  0), 1, wxSOLID ),
 279       mBorderPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 280
 281       mNullPen( wxColour(0,0,0), 1, wxTRANSPARENT ),
 282
 283       mpPaneInFocus( NULL ),
 284       mpLRUPane    ( NULL ),
 285
 286
 287       mpTopPlugin   ( NULL ),
 288       mpCaputesInput( NULL ),
 289
 290       mClientWndRefreshPending( FALSE ),
 291       mRecalcPending( TRUE ),
 292       mCheckFocusWhenIdle( FALSE )
 293 {
 294     CreateCursors();
 295
 296     int i;
 297     for ( i = 0; i != MAX_PANES; ++i )
 298         mPanes[i]  = NULL;
 299
 300     mFloatingOn = CanReparent();
 301 }
 302
 303 wxFrameLayout::wxFrameLayout( wxWindow* pParentFrame, wxWindow* pFrameClient, bool activateNow )
 304
 305     : mpFrame( pParentFrame ),
 306       mpFrameClient(pFrameClient),
 307
 308       mDarkPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
 309       mLightPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT), 1, wxSOLID ),
 310       mGrayPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 311       mBlackPen ( wxColour(  0,  0,  0), 1, wxSOLID ),
 312       mBorderPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 313
 314       mNullPen( wxColour(0,0,0), 1, wxTRANSPARENT ),
 315
 316       mpPaneInFocus( NULL ),
 317       mpLRUPane    ( NULL ),
 318
 319       mFloatingOn   ( TRUE ),
 320
 321       mpTopPlugin   ( NULL ),
 322       mpCaputesInput( NULL ),
 323
 324       mClientWndRefreshPending( FALSE ),
 325       mRecalcPending( TRUE ),
 326       mCheckFocusWhenIdle( FALSE ),
 327
 328       mpUpdatesMgr( NULL )
 329 {
 330     CreateCursors();
 331
 332     int i;
 333     for ( i = 0; i != MAX_PANES; ++i )
 334         mPanes[i]  = new cbDockPane( i, this );
 335
 336     if ( activateNow )
 337     {
 338         HookUpToFrame();
 339
 340         // FOR NOW::
 341         // DBG:: set RED color of frame's background for the
 342         //       prurpose of tracking engine bugs "visually"
 343
 344         GetParentFrame().SetBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE) );
 345     }
 346
 347     mFloatingOn = CanReparent();
 348 }
 349
 350 // NOTE:: below are the only plaftorm-check "ifdef"s in the docking system!
 351
 352 bool wxFrameLayout::CanReparent()
 353 {
 354 #ifdef __WXMSW__
 355     return TRUE;
 356 #elif defined (__WXGTK__)
 357     //return TRUE;
 358     return FALSE;
 359 #else
 360
 361     return FALSE; // reparenting is not yet supported by Motif and others
 362 #endif
 363 }
 364
 365 /*
 366 #ifdef __WXMSW__
 367     #inlcude "windows.h"
 368 #endif
 369 */
 370
 371 void wxFrameLayout::ReparentWindow( wxWindow* pChild, wxWindow* pNewParent )
 372 {
 373 #ifdef __WXMSW__
 374 #if 0
 375
 376     if ( pChild->GetParent() )
 377     {
 378         bool success = pChild->GetParent()->GetChildren().DeleteObject( pChild );
 379
 380         wxASSERT( success ); // DBG::
 381     }
 382
 383     ::SetParent( (HWND)pChild->m_hWnd, (HWND)pNewParent->m_hWnd  );
 384
 385     pNewParent->GetChildren().Append( pChild );
 386
 387     pChild->SetParent( pNewParent );
 388 #endif
 389     pChild->Reparent(pNewParent);
 390
 391     return;
 392 #elif defined(__WXGTK__)
 393     // FOR NOW:: floating with wxGtk still very buggy
 394
 395     return;
 396
 397     //pChild->ReParent( pNewParent );
 398
 399     //return;
 400 #else
 401     wxMessageBox( "Sorry, docking is not supported for ports other than MSW and wxGTK" );
 402 #endif
 403 }
 404
 405 void wxFrameLayout::DestroyBarWindows()
 406 {
 407     wxNode* pSpy = mBarSpyList.First();
 408
 409     while( pSpy )
 410     {
 411         cbBarSpy& spy = *((cbBarSpy*)pSpy->Data());
 412
 413         if ( spy.mpBarWnd->GetEventHandler() == &spy )
 414
 415             spy.mpBarWnd->PopEventHandler();
 416
 417         delete &spy;
 418
 419         pSpy = pSpy->Next();
 420     }
 421
 422     mBarSpyList.Clear();
 423
 424     size_t i;
 425     for ( i = 0; i != mAllBars.Count(); ++i )
 426     {
 427         if ( mAllBars[i]->mpBarWnd )
 428         {
 429             mAllBars[i]->mpBarWnd->Destroy();
 430             mAllBars[i]->mpBarWnd = NULL;
 431         }
 432     }
 433 }
 434
 435 void wxFrameLayout::ShowFloatedWindows( bool show )
 436 {
 437     wxNode* pNode = mFloatedFrames.First();
 438
 439     while( pNode )
 440     {
 441         cbFloatedBarWindow* pFFrm = ((cbFloatedBarWindow*)pNode->Data());
 442
 443         pFFrm->Show( show );
 444
 445         pNode = pNode->Next();
 446     }
 447 }
 448
 449 wxFrameLayout::~wxFrameLayout()
 450 {
 451     UnhookFromFrame();
 452
 453     if ( mpUpdatesMgr )
 454         delete mpUpdatesMgr;
 455
 456     PopAllPlugins();
 457
 458     // destoy the chain of plugins from left to right
 459
 460     wxEvtHandler* pCur = mpTopPlugin;
 461
 462     if ( pCur )
 463
 464         while ( pCur->GetPreviousHandler() )
 465
 466             pCur = pCur->GetPreviousHandler();
 467
 468     while ( pCur )
 469     {
 470         wxEvtHandler* pNext = pCur->GetNextHandler();
 471
 472         delete pCur;
 473
 474         pCur = pNext;
 475     }
 476
 477     // destroy contents of arrays and lists
 478
 479     size_t i = 0;
 480     for ( i = 0; i != MAX_PANES; ++i )
 481     {
 482         if ( mPanes[i] )
 483             delete mPanes[i];
 484     }
 485     if ( mpHorizCursor  )
 486         delete mpHorizCursor;
 487     if ( mpVertCursor   )
 488         delete mpVertCursor;
 489     if ( mpNormalCursor )
 490         delete mpNormalCursor;
 491     if ( mpDragCursor   )
 492         delete mpDragCursor;
 493     if ( mpNECursor     )
 494         delete mpNECursor;
 495
 496     wxNode* pSpy = mBarSpyList.First();
 497
 498     while( pSpy )
 499     {
 500         cbBarSpy& spy = *((cbBarSpy*)pSpy->Data());
 501
 502         if ( spy.mpBarWnd->GetEventHandler() == &spy )
 503
 504             spy.mpBarWnd->PopEventHandler();
 505
 506         delete &spy;
 507
 508         pSpy = pSpy->Next();
 509     }
 510
 511     for ( i = 0; i != mAllBars.Count(); ++i )
 512         delete mAllBars[i];
 513 }
 514
 515 void wxFrameLayout::EnableFloating( bool enable )
 516 {
 517     mFloatingOn = enable && CanReparent();
 518 }
 519
 520 void wxFrameLayout::Activate()
 521 {
 522     HookUpToFrame();
 523
 524     RefreshNow( TRUE );
 525
 526     ShowFloatedWindows( TRUE );
 527 }
 528
 529 void wxFrameLayout::Deactivate()
 530 {
 531     ShowFloatedWindows( FALSE );
 532
 533     UnhookFromFrame();
 534
 535     HideBarWindows();
 536 }
 537
 538 void wxFrameLayout::SetFrameClient( wxWindow* pFrameClient )
 539 {
 540     mpFrameClient = pFrameClient;
 541 }
 542
 543 wxWindow* wxFrameLayout::GetFrameClient()
 544 {
 545     return mpFrameClient;
 546 }
 547
 548 cbUpdatesManagerBase& wxFrameLayout::GetUpdatesManager()
 549 {
 550     if ( !mpUpdatesMgr )
 551         mpUpdatesMgr = CreateUpdatesManager();
 552
 553     return *mpUpdatesMgr;
 554 }
 555
 556 void wxFrameLayout::SetUpdatesManager( cbUpdatesManagerBase* pUMgr )
 557 {
 558     if ( mpUpdatesMgr )
 559         delete mpUpdatesMgr;
 560
 561     mpUpdatesMgr = pUMgr;
 562
 563     mpUpdatesMgr->SetLayout( this );
 564 }
 565
 566 cbUpdatesManagerBase* wxFrameLayout::CreateUpdatesManager()
 567 {
 568     return new cbGCUpdatesMgr( this );
 569     //return new cbSimpleUpdatesMgr( this );
 570 }
 571
 572 void wxFrameLayout::AddBar( wxWindow*        pBarWnd,
 573                             const cbDimInfo& dimInfo,
 574                             int              alignment,
 575                             int              rowNo,
 576                             int              columnPos,
 577                             const wxString&  name,
 578                             bool             spyEvents,
 579                             int              state
 580                           )
 581 {
 582     if ( pBarWnd && spyEvents )
 583     {
 584         // hook up spy to bar window
 585         cbBarSpy* pSpy = new cbBarSpy( this );
 586
 587         pSpy->SetBarWindow( pBarWnd );
 588         pBarWnd->PushEventHandler( pSpy );
 589
 590         mBarSpyList.Append( pSpy );
 591     }
 592
 593     cbBarInfo* pInfo = new cbBarInfo();
 594
 595     pInfo->mName      = name;
 596     pInfo->mpBarWnd   = pBarWnd;
 597     pInfo->mDimInfo   = dimInfo;
 598     pInfo->mState     = state;
 599     pInfo->mAlignment = alignment;
 600     pInfo->mRowNo     = rowNo;
 601     pInfo->mBounds.x  = columnPos;
 602
 603     mAllBars.Add( pInfo );
 604
 605     DoSetBarState( pInfo );
 606 }
 607
 608 bool wxFrameLayout::RedockBar( cbBarInfo*    pBar,
 609                                const wxRect& shapeInParent,
 610                                cbDockPane*   pToPane,
 611                                bool          updateNow )
 612 {
 613     if ( !pToPane )
 614
 615         pToPane = HitTestPanes( shapeInParent, NULL );
 616
 617     if ( !pToPane )
 618
 619         return FALSE; // bar's shape does not hit any pane
 620                      // - redocking is NOT possible
 621
 622     cbDockPane* pBarPane = GetBarPane( pBar );
 623
 624     if ( updateNow )
 625
 626         GetUpdatesManager().OnStartChanges();
 627
 628     pBarPane->RemoveBar( pBar );
 629
 630     // FIXME FIXME:: the below recalc. may be a *huge* performance
 631     //               hit, it could be eliminated though...
 632     //               but first the "pane-postion-changed" problem
 633     //               have to be fixed
 634
 635     RecalcLayout( FALSE );
 636
 637     pToPane->InsertBar( pBar, shapeInParent );
 638
 639     RecalcLayout( FALSE );
 640
 641     // finish update "transaction"
 642
 643     if ( updateNow )
 644     {
 645         GetUpdatesManager().OnFinishChanges();
 646         GetUpdatesManager().UpdateNow();
 647     }
 648
 649     return TRUE;
 650 }
 651
 652 cbBarInfo* wxFrameLayout::FindBarByName( const wxString& name )
 653 {
 654     size_t i;
 655     for ( i = 0; i != mAllBars.Count(); ++i )
 656         if ( mAllBars[i]->mName == name )
 657             return mAllBars[i];
 658
 659     return NULL;
 660 }
 661
 662 cbBarInfo* wxFrameLayout::FindBarByWindow( const wxWindow* pWnd )
 663 {
 664     size_t i;
 665     for ( i = 0; i != mAllBars.Count(); ++i )
 666         if ( mAllBars[i]->mpBarWnd == pWnd )
 667             return mAllBars[i];
 668
 669     return NULL;
 670 }
 671
 672 BarArrayT& wxFrameLayout::GetBars()
 673 {
 674     return mAllBars;
 675 }
 676
 677 void wxFrameLayout::SetBarState( cbBarInfo* pBar, int newState, bool updateNow )
 678 {
 679     if ( newState == wxCBAR_FLOATING && !mFloatingOn )
 680
 681         return;
 682
 683     if ( updateNow )
 684
 685         GetUpdatesManager().OnStartChanges();
 686
 687     pBar->mUMgrData.SetDirty(TRUE);
 688
 689     // check bar's previous state
 690
 691     if ( pBar->mState != wxCBAR_HIDDEN && pBar->mState != wxCBAR_FLOATING )
 692     {
 693         cbDockPane* pPane;
 694         cbRowInfo*  pRow;
 695
 696         bool success = LocateBar( pBar, &pRow, &pPane );
 697
 698         wxASSERT( success ); // DBG::
 699
 700         // save LRU-dim info before removing bar
 701
 702         pBar->mDimInfo.mLRUPane = pPane->GetAlignment();
 703         pBar->mDimInfo.mBounds[ pPane->GetAlignment() ] = pBar->mBounds;
 704
 705         // remove it from the pane it was docked on
 706
 707         pPane->RemoveBar( pBar );
 708
 709     }
 710
 711     if ( pBar->mState == wxCBAR_FLOATING && newState != wxCBAR_FLOATING )
 712     {
 713         // remove bar's window form the containing mini-frame
 714         // and set it's parent to be layout's parent frame
 715
 716         if ( pBar->mpBarWnd )
 717         {
 718             pBar->mpBarWnd->Show(FALSE); // to avoid flicker upon reparenting
 719
 720             wxNode* pNode = mFloatedFrames.First();
 721
 722             while( pNode )
 723             {
 724                 cbFloatedBarWindow* pFFrm = ((cbFloatedBarWindow*)pNode->Data());
 725
 726                 if ( pFFrm->GetBar() == pBar )
 727                 {
 728                     pFFrm->Show( FALSE ); // reduces flicker sligthly
 729
 730                     ReparentWindow( pBar->mpBarWnd, &GetParentFrame() );
 731
 732                     pBar->mBounds = pBar->mDimInfo.mBounds[ pBar->mDimInfo.mLRUPane ];
 733
 734                     if ( newState != wxCBAR_HIDDEN )
 735
 736                         pBar->mAlignment = pBar->mDimInfo.mLRUPane;
 737
 738                     mFloatedFrames.DeleteNode( pNode );
 739
 740                     pFFrm->Show( FALSE );
 741                     pFFrm->Destroy(); break;
 742                 }
 743
 744                 pNode = pNode->Next();
 745             }
 746
 747             // FOR NOW:: excessive!
 748             //if ( mpFrameClient ) mpFrameClient->Refresh();
 749             if ( mpFrameClient )
 750                 mClientWndRefreshPending = TRUE;
 751         }
 752     }
 753
 754     pBar->mState = newState;
 755
 756     DoSetBarState( pBar );
 757
 758     if ( updateNow )
 759     {
 760         RecalcLayout(FALSE);
 761
 762         GetUpdatesManager().OnFinishChanges();
 763         GetUpdatesManager().UpdateNow();
 764     }
 765 }
 766
 767 void wxFrameLayout::InverseVisibility( cbBarInfo* pBar )
 768 {
 769     wxASSERT( pBar ); // DBG::
 770
 771     // "inverse" bar-visibility of the selected bar
 772
 773     int newState = 0;
 774
 775     if ( pBar->mState == wxCBAR_HIDDEN )
 776     {
 777         if ( pBar->mAlignment == -1 )
 778         {
 779             pBar->mAlignment = 0;       // just remove "-1" marking
 780             newState = wxCBAR_FLOATING;
 781         }
 782         else
 783         if ( pBar->mAlignment == FL_ALIGN_TOP ||
 784              pBar->mAlignment == FL_ALIGN_BOTTOM )
 785
 786             newState = wxCBAR_DOCKED_HORIZONTALLY;
 787         else
 788             newState = wxCBAR_DOCKED_VERTICALLY;
 789     }
 790     else
 791     {
 792         newState = wxCBAR_HIDDEN;
 793
 794         if ( pBar->mState == wxCBAR_FLOATING )
 795
 796             pBar->mAlignment = -1;
 797     }
 798
 799     this->SetBarState( pBar, newState, TRUE );
 800
 801     if ( newState == wxCBAR_FLOATING )
 802
 803         this->RepositionFloatedBar( pBar );
 804 }
 805
 806 void wxFrameLayout::ApplyBarProperties( cbBarInfo* pBar )
 807 {
 808     if ( pBar->mState == wxCBAR_FLOATING )
 809     {
 810         RepositionFloatedBar( pBar );
 811     }
 812     else
 813     if ( pBar->mState == wxCBAR_DOCKED_HORIZONTALLY ||
 814          pBar->mState == wxCBAR_DOCKED_VERTICALLY
 815        )
 816     {
 817         // FOR NOW:: nothing
 818     }
 819
 820 }
 821
 822 void wxFrameLayout::RepositionFloatedBar( cbBarInfo* pBar )
 823 {
 824     if ( !mFloatingOn ) return;
 825
 826     wxNode* pNode = mFloatedFrames.First();
 827
 828     while( pNode )
 829     {
 830         cbFloatedBarWindow* pFFrm = ((cbFloatedBarWindow*)pNode->Data());
 831
 832         if ( pFFrm->GetBar() == pBar )
 833         {
 834             wxRect& bounds = pBar->mDimInfo.mBounds[wxCBAR_FLOATING];
 835
 836             int x = bounds.x,
 837                 y = bounds.y;
 838
 839             GetParentFrame().ClientToScreen( &x, &y );
 840
 841             pFFrm->PositionFloatedWnd( x,y,
 842                                        bounds.width,
 843                                        bounds.height );
 844
 845             break;
 846         }
 847
 848         pNode = pNode->Next();
 849     }
 850 }
 851
 852 void wxFrameLayout::DoSetBarState( cbBarInfo* pBar )
 853 {
 854     if ( pBar->mState != wxCBAR_FLOATING &&
 855          pBar->mState != wxCBAR_HIDDEN )
 856
 857         // dock it
 858
 859         mPanes[pBar->mAlignment]->InsertBar( pBar );
 860     else
 861     if ( pBar->mState == wxCBAR_HIDDEN )
 862     {
 863         // hide it
 864
 865         if ( pBar->mpBarWnd )
 866
 867             pBar->mpBarWnd->Show( FALSE );
 868     }
 869     else
 870     {
 871         if ( !mFloatingOn ) return;
 872
 873         // float it
 874
 875         if ( pBar->mpBarWnd == NULL || !CanReparent() )
 876         {
 877             // FOR NOW:: just hide it
 878
 879             if ( pBar->mpBarWnd )
 880
 881                 pBar->mpBarWnd->Show( FALSE );
 882
 883             pBar->mState = wxCBAR_HIDDEN;
 884
 885             return;
 886         }
 887
 888         cbFloatedBarWindow* pMiniFrm = new cbFloatedBarWindow();
 889
 890         pMiniFrm->SetBar( pBar );
 891         pMiniFrm->SetLayout( this );
 892
 893         pMiniFrm->Create( &GetParentFrame(), -1, pBar->mName,
 894                           wxPoint( 50,50 ),
 895                           wxSize ( 0, 0  ),
 896                           wxFRAME_FLOAT_ON_PARENT  |  wxFRAME_TOOL_WINDOW
 897                         );
 898
 899         pMiniFrm->SetClient( pBar->mpBarWnd );
 900
 901         ReparentWindow( pBar->mpBarWnd, pMiniFrm );
 902
 903         mFloatedFrames.Append( pMiniFrm );
 904
 905         wxRect& bounds = pBar->mDimInfo.mBounds[wxCBAR_FLOATING];
 906
 907         // check if it wasn't floated anytime before
 908
 909         if ( bounds.width == -1 )
 910         {
 911             wxRect& clntRect = GetClientRect();
 912
 913             // adjust position into which the next floated bar will be placed
 914
 915             if ( mNextFloatedWndPos.x + bounds.width > clntRect.width )
 916
 917                 mNextFloatedWndPos.x = mFloatingPosStep.x;
 918
 919             if ( mNextFloatedWndPos.y + bounds.height > clntRect.height )
 920
 921                 mNextFloatedWndPos.y = mFloatingPosStep.y;
 922
 923             bounds.x = mNextFloatedWndPos.x + clntRect.x;
 924             bounds.y = mNextFloatedWndPos.y + clntRect.y;
 925
 926             bounds.width  = pBar->mDimInfo.mSizes[wxCBAR_FLOATING].x;
 927             bounds.height = pBar->mDimInfo.mSizes[wxCBAR_FLOATING].y;
 928
 929             mNextFloatedWndPos.x += mFloatingPosStep.x;
 930             mNextFloatedWndPos.y += mFloatingPosStep.y;
 931         }
 932
 933         pMiniFrm->Show( TRUE );
 934
 935         // FIXME:: this is excessive
 936         pBar->mpBarWnd->Show(TRUE);
 937     }
 938 }
 939
 940 void wxFrameLayout::RemoveBar( cbBarInfo* pBarInfo )
 941 {
 942     // first, try to "guess" what was the perviouse state of the bar
 943
 944     cbDockPane* pPane;
 945     cbRowInfo*  pRow;
 946
 947     if ( LocateBar( pBarInfo, &pRow, &pPane ) )
 948     {
 949         // ...aha, bar was docked into one of the panes,
 950         // remove it from there
 951
 952         pPane->RemoveBar( pBarInfo );
 953     }
 954
 955     size_t i;
 956     for ( i = 0; i != mAllBars.Count(); ++i )
 957     {
 958         if ( mAllBars[i] == pBarInfo )
 959         {
 960 #if wxCHECK_VERSION(2,3,2)
 961             mAllBars.RemoveAt(i);
 962 #else
 963             mAllBars.Remove(i);
 964 #endif
 965             if ( pBarInfo->mpBarWnd ) // hides it's window
 966
 967                 pBarInfo->mpBarWnd->Show( FALSE );
 968
 969             delete pBarInfo;
 970
 971             return;
 972         }
 973     }
 974     wxFAIL_MSG("bar info should be present in the list of all bars of all panes");
 975 }
 976
 977 bool wxFrameLayout::LocateBar( cbBarInfo* pBarInfo,
 978                                cbRowInfo**  ppRow,
 979                                cbDockPane** ppPane )
 980 {
 981     (*ppRow)  = NULL;
 982     (*ppPane) = NULL;
 983
 984     int n;
 985     for ( n = 0; n != MAX_PANES; ++n )
 986     {
 987         wxBarIterator i( mPanes[n]->GetRowList() );
 988
 989         while ( i.Next() )
 990
 991             if ( &i.BarInfo() == pBarInfo )
 992             {
 993                 (*ppPane) = mPanes[n];
 994                 (*ppRow ) = &i.RowInfo();
 995
 996                 return TRUE;
 997             }
 998     }
 999
1000     return FALSE;
1001 }
1002
1003 void wxFrameLayout::RecalcLayout( bool repositionBarsNow )
1004 {
1005     mRecalcPending = FALSE;
1006
1007     int frmWidth, frmHeight;
1008     mpFrame->GetClientSize( &frmWidth, &frmHeight );
1009     int paneHeight = 0;
1010
1011     int curY = 0;
1012     int curX = 0;
1013     wxRect rect;
1014
1015     // pane positioning priorities in decreasing order:
1016     // top, bottom, left, right
1017
1018     // setup TOP pane
1019
1020     cbDockPane* pPane = mPanes[ FL_ALIGN_TOP ];
1021
1022     pPane->SetPaneWidth( frmWidth );
1023     pPane->RecalcLayout();
1024
1025     paneHeight = pPane->GetPaneHeight();
1026
1027     rect.x      = curX;
1028     rect.y      = curY;
1029     rect.width  = frmWidth;
1030     rect.height = wxMin( paneHeight, frmHeight - curY );
1031
1032     pPane->SetBoundsInParent( rect );
1033
1034     curY += paneHeight;
1035
1036     // setup BOTTOM pane
1037
1038     pPane = mPanes[ FL_ALIGN_BOTTOM ];
1039
1040     pPane->SetPaneWidth( frmWidth );
1041     pPane->RecalcLayout();
1042
1043     paneHeight = pPane->GetPaneHeight();
1044
1045     rect.x      = curX;
1046     rect.y      = wxMax( frmHeight - paneHeight, curY );
1047     rect.width  = frmWidth;
1048     rect.height = frmHeight - rect.y;
1049
1050     pPane->SetBoundsInParent( rect );
1051
1052     // setup LEFT pane
1053
1054     pPane = mPanes[ FL_ALIGN_LEFT ];
1055
1056                          // bottom pane's y
1057     pPane->SetPaneWidth( rect.y - curY );
1058
1059     pPane->RecalcLayout();
1060     paneHeight = pPane->GetPaneHeight();
1061
1062                   // bottom rect's y
1063     rect.height = rect.y - curY;
1064     rect.x = curX;
1065     rect.y = curY;
1066     rect.width  = wxMin( paneHeight, frmWidth );
1067
1068     pPane->SetBoundsInParent( rect );
1069
1070     curX += rect.width;
1071
1072     // setup RIGHT pane
1073
1074     pPane = mPanes[ FL_ALIGN_RIGHT ];
1075
1076                          // left pane's height
1077     pPane->SetPaneWidth( rect.height );
1078
1079     pPane->RecalcLayout();
1080     paneHeight = pPane->GetPaneHeight();
1081
1082                   // left pane's height
1083     rect.height = rect.height;
1084     rect.x = wxMax( frmWidth - paneHeight, curX );
1085     rect.y = curY;
1086     rect.width  = frmWidth - rect.x;
1087
1088     pPane->SetBoundsInParent( rect );
1089
1090     // recalc bounds of the client-window
1091
1092     mClntWndBounds.x = mPanes[FL_ALIGN_LEFT]->mBoundsInParent.x +
1093                        mPanes[FL_ALIGN_LEFT]->mBoundsInParent.width;
1094     mClntWndBounds.y = mPanes[FL_ALIGN_TOP ]->mBoundsInParent.y +
1095                        mPanes[FL_ALIGN_TOP ]->mBoundsInParent.height;
1096
1097     mClntWndBounds.width  = mPanes[FL_ALIGN_RIGHT]->mBoundsInParent.x -
1098                             mClntWndBounds.x;
1099     mClntWndBounds.height = mPanes[FL_ALIGN_BOTTOM]->mBoundsInParent.y -
1100                             mClntWndBounds.y;
1101
1102     if ( repositionBarsNow )
1103
1104         PositionPanes();
1105 }
1106
1107 int wxFrameLayout::GetClientHeight()
1108 {
1109     // for better portablility wxWindow::GetSzie() is not used here
1110
1111     return mClntWndBounds.height;
1112 }
1113
1114 int wxFrameLayout::GetClientWidth()
1115 {
1116     // for better portablility wxWindow::GetSzie() is not used here
1117
1118     return mClntWndBounds.width;
1119 }
1120
1121 void wxFrameLayout::PositionClientWindow()
1122 {
1123     if ( mpFrameClient )
1124     {
1125         if ( mClntWndBounds.width >= 1 && mClntWndBounds.height >= 1 )
1126         {
1127             mpFrameClient->SetSize( mClntWndBounds.x,     mClntWndBounds.y,
1128                                     mClntWndBounds.width, mClntWndBounds.height, 0 );
1129
1130             if ( !mpFrameClient->IsShown() )
1131
1132                 mpFrameClient->Show( TRUE );
1133         }
1134         else
1135             mpFrameClient->Show( FALSE );
1136     }
1137 }
1138
1139 void wxFrameLayout::PositionPanes()
1140 {
1141     PositionClientWindow();
1142
1143     // FOR NOW:: excessive updates!
1144     // reposition bars within all panes
1145
1146     int i;
1147     for ( i = 0; i != MAX_PANES; ++i )
1148         mPanes[i]->SizePaneObjects();
1149 }
1150
1151 void wxFrameLayout::OnSize( wxSizeEvent& event )
1152 {
1153     if ( event.GetEventObject() == (wxObject*) mpFrame )
1154
1155         RecalcLayout(TRUE);
1156 }
1157
1158 /*** protected members ***/
1159
1160 void wxFrameLayout::HideBarWindows()
1161 {
1162     size_t i;
1163     for ( i = 0; i != mAllBars.Count(); ++i )
1164         if ( mAllBars[i]->mpBarWnd && mAllBars[i]->mState != wxCBAR_FLOATING )
1165             mAllBars[i]->mpBarWnd->Show( FALSE );
1166
1167     // then floated frames
1168
1169     ShowFloatedWindows( FALSE );
1170
1171     if ( mpFrameClient )
1172
1173         mpFrameClient->Show( FALSE );
1174 }
1175
1176 void wxFrameLayout::UnhookFromFrame()
1177 {
1178     // NOTE:: the SetEvtHandlerEnabled() method is not used
1179     //        here, since it is assumed, that unhooking layout
1180     //        from window may result destroying of the layout itself
1181     //
1182     //        BUG BUG BUG (wx):: this would not be a problem if
1183     //                           wxEvtHandler's destructor would check if
1184     //                           this handler is currently the top-most
1185     //                           handler of some window, and additionally
1186     //                           to the reconnecting itself from the chain
1187     //                           it would also re-setup current event handler
1188     //                           of the window using wxWindow::SetEventHandler()
1189
1190     // FOR NOW::
1191
1192     if ( mpFrame->GetEventHandler() == this )
1193     {
1194         mpFrame->PopEventHandler();
1195         return;
1196     }
1197
1198     if ( mpFrame )
1199     {
1200         if ( this == mpFrame->GetEventHandler() )
1201         {
1202             mpFrame->SetEventHandler( this->GetNextHandler() );
1203         }
1204         else
1205         {
1206             wxEvtHandler* pCur = mpFrame->GetEventHandler();
1207
1208             while ( pCur )
1209             {
1210                 if ( pCur == this )
1211                     break;
1212
1213                 pCur = pCur->GetNextHandler();
1214             }
1215
1216             // do not try to unhook ourselves if we're not hooked yet
1217             if ( !pCur )
1218                 return;
1219         }
1220
1221         if ( GetPreviousHandler() )
1222             GetPreviousHandler()->SetNextHandler( GetNextHandler() );
1223         else
1224         {
1225             mpFrame->PopEventHandler();
1226             return;
1227         }
1228
1229         if ( GetNextHandler() )
1230             GetNextHandler()->SetPreviousHandler( GetPreviousHandler() );
1231
1232         SetNextHandler( NULL );
1233         SetPreviousHandler( NULL );
1234     }
1235 }
1236
1237 void wxFrameLayout::HookUpToFrame()
1238 {
1239     // unhook us first, we're already hooked up
1240
1241     UnhookFromFrame();
1242
1243     // put ourselves on top
1244
1245     mpFrame->PushEventHandler( this );
1246 }
1247
1248 cbDockPane* wxFrameLayout::GetBarPane( cbBarInfo* pBar )
1249 {
1250     int i;
1251     for ( i = 0; i != MAX_PANES; ++i )
1252         if ( mPanes[i]->BarPresent( pBar ) )
1253             return mPanes[i];
1254
1255     return NULL;
1256 }
1257
1258 void wxFrameLayout::CreateCursors()
1259 {
1260     /*
1261     // FIXME:: The below code somehow doesn't work - cursors remain unchanged
1262     char bits[64];
1263
1264     set_cursor_bits( _gHorizCursorImg, bits, 32, 16 );
1265
1266     mpHorizCursor = new wxCursor( bits, 32, 16 );
1267
1268     set_cursor_bits( _gVertCursorImg, bits, 32, 16 );
1269
1270     mpVertCursor  = new wxCursor( bits, 32, 16 );
1271     */
1272
1273     // FOR NOW:: use standard ones
1274
1275     mpHorizCursor  = new wxCursor(wxCURSOR_SIZEWE);
1276     mpVertCursor   = new wxCursor(wxCURSOR_SIZENS);
1277     mpNormalCursor = new wxCursor(wxCURSOR_ARROW );
1278     mpDragCursor   = new wxCursor(wxCURSOR_CROSS );
1279     mpNECursor     = new wxCursor(wxCURSOR_NO_ENTRY);
1280
1281     mFloatingPosStep.x = 25;
1282     mFloatingPosStep.y = 25;
1283
1284     mNextFloatedWndPos.x = mFloatingPosStep.x;
1285     mNextFloatedWndPos.y = mFloatingPosStep.y;
1286 }
1287
1288 bool wxFrameLayout::HitTestPane( cbDockPane* pPane, int x, int y )
1289 {
1290     return rect_contains_point( pPane->GetRealRect(), x, y );
1291 }
1292
1293 cbDockPane* wxFrameLayout::HitTestPanes( const wxRect& rect,
1294                                          cbDockPane* pCurPane )
1295 {
1296     // first, give the privilege to the current pane
1297
1298     if ( pCurPane && rect_hits_rect( pCurPane->GetRealRect(), rect ) )
1299
1300         return pCurPane;
1301
1302     int i;
1303     for ( i = 0; i != MAX_PANES; ++i )
1304     {
1305         if ( pCurPane != mPanes[i] &&
1306              rect_hits_rect( mPanes[i]->GetRealRect(), rect ) )
1307         {
1308             return mPanes[i];
1309         }
1310     }
1311     return 0;
1312 }
1313
1314 void wxFrameLayout::ForwardMouseEvent( wxMouseEvent& event,
1315                                            cbDockPane*   pToPane,
1316                                            int           eventType )
1317 {
1318     wxPoint pos( event.m_x, event.m_y );
1319     pToPane->FrameToPane( &pos.x, &pos.y );
1320
1321     if ( eventType == cbEVT_PL_LEFT_DOWN )
1322     {
1323         cbLeftDownEvent evt( pos, pToPane );
1324         FirePluginEvent( evt );
1325     }
1326     else if ( eventType == cbEVT_PL_LEFT_DCLICK )
1327     {
1328         cbLeftDClickEvent evt( pos, pToPane );
1329         FirePluginEvent( evt );
1330     }
1331     else if ( eventType == cbEVT_PL_LEFT_UP )
1332     {
1333         cbLeftUpEvent evt( pos, pToPane );
1334         FirePluginEvent( evt );
1335     }
1336     else if ( eventType == cbEVT_PL_RIGHT_DOWN )
1337     {
1338         cbRightDownEvent evt( pos, pToPane );
1339         FirePluginEvent( evt );
1340     }
1341     else if ( eventType == cbEVT_PL_RIGHT_UP )
1342     {
1343         cbRightUpEvent evt( pos, pToPane );
1344         FirePluginEvent( evt );
1345     }
1346     else if ( eventType == cbEVT_PL_MOTION )
1347     {
1348         cbMotionEvent evt( pos, pToPane );
1349         FirePluginEvent( evt );
1350     }
1351     else
1352     {
1353         int avoidCompilerWarning = 0;
1354         wxASSERT(avoidCompilerWarning); // DBG::
1355     }
1356 }  // wxFrameLayout::ForwardMouseEvent()
1357
1358
1359 void wxFrameLayout::RouteMouseEvent( wxMouseEvent& event, int pluginEvtType )
1360 {
1361     if ( mpPaneInFocus )
1362
1363         ForwardMouseEvent( event, mpPaneInFocus, pluginEvtType );
1364     else
1365     {
1366         int i;
1367         for ( i = 0; i != MAX_PANES; ++i )
1368         {
1369             if ( HitTestPane( mPanes[i], event.m_x, event.m_y ) )
1370             {
1371                 ForwardMouseEvent( event, mPanes[i], pluginEvtType );
1372                 return;
1373             }
1374         }
1375     }
1376 }
1377
1378 /*** event handlers ***/
1379
1380 void wxFrameLayout::OnRButtonDown( wxMouseEvent& event )
1381 {
1382     RouteMouseEvent( event, cbEVT_PL_RIGHT_DOWN );
1383 }
1384
1385 void wxFrameLayout::OnRButtonUp( wxMouseEvent& event )
1386 {
1387     RouteMouseEvent( event, cbEVT_PL_RIGHT_UP );
1388 }
1389
1390 void wxFrameLayout::OnLButtonDown( wxMouseEvent& event )
1391 {
1392     RouteMouseEvent( event, cbEVT_PL_LEFT_DOWN );
1393 }
1394
1395 void wxFrameLayout::OnLDblClick( wxMouseEvent& event )
1396 {
1397     RouteMouseEvent( event, cbEVT_PL_LEFT_DCLICK );
1398 }
1399
1400 void wxFrameLayout::OnLButtonUp( wxMouseEvent& event )
1401 {
1402     RouteMouseEvent( event, cbEVT_PL_LEFT_UP );
1403 }
1404
1405 void wxFrameLayout::OnMouseMove( wxMouseEvent& event )
1406 {
1407     if ( mpPaneInFocus )
1408
1409         ForwardMouseEvent( event, mpPaneInFocus, cbEVT_PL_MOTION );
1410     else
1411     {
1412         int i;
1413         for ( i = 0; i != MAX_PANES; ++i )
1414         {
1415             if ( HitTestPane( mPanes[i], event.m_x, event.m_y ) )
1416             {
1417                 if ( mpLRUPane && mpLRUPane != mPanes[i] )
1418                 {
1419                     // simulate "mouse-leave" event
1420                     ForwardMouseEvent( event, mpLRUPane, cbEVT_PL_MOTION );
1421                 }
1422
1423                 ForwardMouseEvent( event, mPanes[i], cbEVT_PL_MOTION );
1424
1425                 mpLRUPane = mPanes[i];
1426
1427                 return;
1428             }
1429         }
1430     }
1431
1432     if ( mpLRUPane )
1433     {
1434         // simulate "mouse-leave" event
1435         ForwardMouseEvent( event, mpLRUPane, cbEVT_PL_MOTION );
1436         mpLRUPane = 0;
1437     }
1438 }
1439
1440 void wxFrameLayout::OnPaint( wxPaintEvent& event )
1441 {
1442     if ( mRecalcPending  )
1443         RecalcLayout( TRUE );
1444
1445     wxPaintDC dc(mpFrame);
1446
1447     int i;
1448     for ( i = 0; i != MAX_PANES; ++i )
1449     {
1450         wxRect& rect = mPanes[i]->mBoundsInParent;
1451
1452         dc.SetClippingRegion( rect.x, rect.y, rect.width, rect.height );
1453
1454         mPanes[i]->PaintPane(dc);
1455
1456         dc.DestroyClippingRegion();
1457     }
1458
1459     event.Skip();
1460 }
1461
1462 void wxFrameLayout::OnEraseBackground( wxEraseEvent& event )
1463 {
1464     // do nothing
1465 }
1466
1467 void wxFrameLayout::OnIdle( wxIdleEvent& event )
1468 {
1469     wxWindow* focus = wxWindow::FindFocus();
1470
1471     if ( !focus && mCheckFocusWhenIdle )
1472     {
1473         wxMessageBox( "Hi, no more focus in this app!" );
1474
1475         mCheckFocusWhenIdle = FALSE;
1476         //ShowFloatedWindows( FALSE );
1477     }
1478
1479     mCheckFocusWhenIdle = FALSE;
1480
1481     event.Skip();
1482 }
1483
1484
1485 void wxFrameLayout::OnKillFocus( wxFocusEvent& event )
1486 {
1487     //wxMessageBox( "wxFrameLayoutGot Kill Focus!" );
1488     //ShowFloatedWindows( FALSE );
1489 }
1490
1491 void wxFrameLayout::OnSetFocus( wxFocusEvent& event )
1492 {
1493     //ShowFloatedWindows( TRUE );
1494 }
1495
1496 void wxFrameLayout::OnActivate( wxActivateEvent& event )
1497 {
1498 #if 0
1499     if ( event.GetActive() == FALSE )
1500     {
1501         wxWindow* focus = wxWindow::FindFocus();
1502
1503         if ( !focus || focus == &GetParentFrame() )
1504         {
1505             mCheckFocusWhenIdle = TRUE;
1506
1507             if ( !focus )
1508
1509                 wxMessageBox("Deactivated!" );
1510
1511         }
1512     }
1513 #endif
1514 }
1515
1516 void wxFrameLayout::GetPaneProperties( cbCommonPaneProperties& props, int alignment )
1517 {
1518     props = mPanes[alignment]->mProps;
1519 }
1520
1521 void wxFrameLayout::SetPaneProperties( const cbCommonPaneProperties& props, int paneMask )
1522 {
1523     int i;
1524     for ( i = 0; i != MAX_PANES; ++i )
1525     {
1526         if ( mPanes[i]->MatchesMask( paneMask ) )
1527             mPanes[i]->mProps = props;
1528     }
1529 }
1530
1531 void wxFrameLayout::SetMargins( int top, int bottom, int left, int right,
1532                                 int paneMask )
1533 {
1534     int i;
1535     for ( i = 0; i != MAX_PANES; ++i )
1536     {
1537         cbDockPane& pane = *mPanes[i];
1538
1539         if ( pane.MatchesMask( paneMask ) )
1540         {
1541             pane.mTopMargin = top;
1542             pane.mBottomMargin = bottom;
1543             pane.mLeftMargin = left;
1544             pane.mRightMargin = right;
1545         }
1546     }
1547 }
1548
1549 void wxFrameLayout::SetPaneBackground( const wxColour& colour )
1550 {
1551     mBorderPen.SetColour( colour );
1552 }
1553
1554 void wxFrameLayout::RefreshNow( bool recalcLayout )
1555 {
1556     if ( recalcLayout ) RecalcLayout( TRUE );
1557
1558     if ( mpFrame ) mpFrame->Refresh();
1559 }
1560
1561 /*** plugin-related methods ***/
1562
1563 void wxFrameLayout::FirePluginEvent( cbPluginEvent& event )
1564 {
1565     // check state of input capture, before processing the event
1566
1567     if ( mpCaputesInput )
1568     {
1569         bool isInputEvt = TRUE;
1570 #if wxCHECK_VERSION(2,3,0)
1571         if ( event.m_eventType != cbEVT_PL_LEFT_DOWN &&
1572              event.m_eventType != cbEVT_PL_LEFT_UP &&
1573              event.m_eventType != cbEVT_PL_RIGHT_DOWN &&
1574              event.m_eventType != cbEVT_PL_RIGHT_UP &&
1575              event.m_eventType != cbEVT_PL_MOTION )
1576             isInputEvt = FALSE;
1577 #else
1578         switch ( event.m_eventType )
1579         {
1580             case cbEVT_PL_LEFT_DOWN  : break;
1581             case cbEVT_PL_LEFT_UP    : break;
1582             case cbEVT_PL_RIGHT_DOWN : break;
1583             case cbEVT_PL_RIGHT_UP   : break;
1584             case cbEVT_PL_MOTION     : break;
1585
1586             default : isInputEvt = FALSE; break;
1587         }
1588 #endif  // #if wxCHECK_VERSION(2,3,0)
1589
1590         if ( isInputEvt )
1591         {
1592             mpCaputesInput->ProcessEvent( event );
1593             return;
1594         }
1595     }
1596
1597     GetTopPlugin().ProcessEvent( event );
1598 }
1599
1600 void wxFrameLayout::CaptureEventsForPlugin ( cbPluginBase* pPlugin )
1601 {
1602     // cannot capture events for more than one plugin at a time
1603     wxASSERT( mpCaputesInput == NULL );
1604
1605     mpCaputesInput = pPlugin;
1606
1607 }
1608
1609 void wxFrameLayout::ReleaseEventsFromPlugin( cbPluginBase* pPlugin )
1610 {
1611     // events should be captured first
1612     wxASSERT( mpCaputesInput != NULL );
1613
1614     mpCaputesInput = NULL;
1615 }
1616
1617 void wxFrameLayout::CaptureEventsForPane( cbDockPane* toPane )
1618 {
1619     // cannot capture events twice (without releasing)
1620     wxASSERT( mpPaneInFocus == NULL );
1621
1622     mpFrame->CaptureMouse();
1623
1624     mpPaneInFocus = toPane;
1625 }
1626
1627 void wxFrameLayout::ReleaseEventsFromPane( cbDockPane* fromPane )
1628 {
1629     // cannot release events without capturing them
1630     wxASSERT( mpPaneInFocus != NULL );
1631
1632     mpFrame->ReleaseMouse();
1633
1634     mpPaneInFocus = NULL;
1635 }
1636
1637 cbPluginBase& wxFrameLayout::GetTopPlugin()
1638 {
1639     if ( !mpTopPlugin )
1640
1641         PushDefaultPlugins(); // automatic configuration
1642
1643     return *mpTopPlugin;
1644 }
1645
1646 void wxFrameLayout::SetTopPlugin( cbPluginBase* pPlugin )
1647 {
1648     mpTopPlugin = pPlugin;
1649 }
1650
1651 bool wxFrameLayout::HasTopPlugin()
1652 {
1653     return ( mpTopPlugin != NULL );
1654 }
1655
1656 void wxFrameLayout::PushPlugin( cbPluginBase* pPlugin )
1657 {
1658     if ( !mpTopPlugin )
1659
1660         mpTopPlugin = pPlugin;
1661     else
1662     {
1663         pPlugin->SetNextHandler( mpTopPlugin );
1664
1665         mpTopPlugin->SetPreviousHandler( pPlugin );
1666
1667         mpTopPlugin = pPlugin;
1668     }
1669
1670     mpTopPlugin->OnInitPlugin(); // notification
1671 }
1672
1673 void wxFrameLayout::PopPlugin()
1674 {
1675     wxASSERT( mpTopPlugin ); // DBG:: at least one plugin should be present
1676
1677     cbPluginBase* pPopped = mpTopPlugin;
1678
1679     mpTopPlugin = (cbPluginBase*)mpTopPlugin->GetNextHandler();
1680
1681     delete pPopped;
1682 }
1683
1684 void wxFrameLayout::PopAllPlugins()
1685 {
1686     while( mpTopPlugin ) PopPlugin();
1687 }
1688
1689 void wxFrameLayout::PushDefaultPlugins()
1690 {
1691     // FIXME:: to much of the stuff for the default...
1692
1693     AddPlugin( CLASSINFO( cbRowLayoutPlugin       ) );
1694     AddPlugin( CLASSINFO( cbBarDragPlugin         ) );
1695     AddPlugin( CLASSINFO( cbPaneDrawPlugin ) );
1696 }
1697
1698 void wxFrameLayout::AddPlugin( wxClassInfo* pPlInfo, int paneMask )
1699 {
1700     if ( FindPlugin ( pPlInfo ) ) return; // same type of plugin cannot be added twice
1701
1702     cbPluginBase* pObj = (cbPluginBase*)pPlInfo->CreateObject();
1703
1704     wxASSERT(pObj); // DBG:: plugin's class should be dynamic
1705
1706     pObj->mPaneMask = paneMask;
1707     pObj->mpLayout  = this;
1708
1709     PushPlugin( pObj );
1710 }
1711
1712 void wxFrameLayout::AddPluginBefore( wxClassInfo* pNextPlInfo, wxClassInfo* pPlInfo,
1713                                        int paneMask )
1714 {
1715     wxASSERT( pNextPlInfo != pPlInfo ); // DBG:: no sense
1716
1717     cbPluginBase* pNextPl = FindPlugin( pNextPlInfo );
1718
1719     if ( !pNextPl )
1720     {
1721         AddPlugin( pPlInfo, paneMask );
1722
1723         return;
1724     }
1725
1726     // remove existing one if present
1727
1728     cbPluginBase* pExistingPl = FindPlugin( pPlInfo );
1729
1730     if ( pExistingPl ) RemovePlugin( pPlInfo );
1731
1732     // create an instance
1733
1734     cbPluginBase* pNewPl = (cbPluginBase*)pPlInfo->CreateObject();
1735
1736     wxASSERT(pNewPl); // DBG:: plugin's class should be dynamic
1737
1738     // insert it to the chain
1739
1740     if ( pNextPl->GetPreviousHandler() )
1741
1742         pNextPl->GetPreviousHandler()->SetNextHandler( pNewPl );
1743     else
1744         mpTopPlugin = pNewPl;
1745
1746     pNewPl->SetNextHandler( pNextPl );
1747
1748     pNewPl->SetPreviousHandler( pNextPl->GetPreviousHandler() );
1749
1750     pNextPl->SetPreviousHandler( pNewPl );
1751
1752     // set it up
1753
1754     pNewPl->mPaneMask = paneMask;
1755     pNewPl->mpLayout  = this;
1756
1757     pNewPl->OnInitPlugin();
1758 }
1759
1760 void wxFrameLayout::RemovePlugin( wxClassInfo* pPlInfo )
1761 {
1762     cbPluginBase* pPlugin = FindPlugin( pPlInfo );
1763
1764     if ( !pPlugin ) return; // it's OK to remove not-existing plugin ;-)
1765
1766     if ( pPlugin->GetPreviousHandler() == NULL )
1767
1768         mpTopPlugin = (cbPluginBase*)pPlugin->GetNextHandler();
1769
1770     delete pPlugin;
1771 }
1772
1773 cbPluginBase* wxFrameLayout::FindPlugin( wxClassInfo* pPlInfo )
1774 {
1775     cbPluginBase *pCur = mpTopPlugin;
1776
1777     while( pCur )
1778     {
1779         // NOTE:: it might appear useful matching plugin
1780         //        classes "polymorphically":
1781
1782         if ( pCur->GetClassInfo()->IsKindOf( pPlInfo ) )
1783
1784             return pCur;
1785
1786         pCur = (cbPluginBase*)pCur->GetNextHandler();
1787     }
1788
1789     return NULL;
1790 }
1791
1792 /***** Implementation for class cbUpdateMgrData *****/
1793
1794 IMPLEMENT_DYNAMIC_CLASS( cbUpdateMgrData, wxObject )
1795
1796 cbUpdateMgrData::cbUpdateMgrData()
1797
1798     : mPrevBounds( -1,-1,0,0 ),
1799       mIsDirty( TRUE )           // inidicate initial change
1800 {}
1801
1802 void cbUpdateMgrData::StoreItemState( const wxRect& boundsInParent )
1803 {
1804     mPrevBounds = boundsInParent;
1805 }
1806
1807 void cbUpdateMgrData::SetDirty( bool isDirty )
1808 {
1809     mIsDirty = isDirty;
1810 }
1811
1812 void cbUpdateMgrData::SetCustomData( wxObject* pCustomData )
1813 {
1814     mpCustomData = pCustomData;
1815 }
1816
1817 /***** Implementation for class cbDockPane *****/
1818
1819 void wxBarIterator::Reset()
1820 {
1821     mpRow = ( mpRows->Count() ) ? (*mpRows)[0] : NULL;
1822     mpBar = NULL;
1823 }
1824
1825 wxBarIterator::wxBarIterator( RowArrayT& rows )
1826
1827     : mpRows( &rows ),
1828       mpRow ( NULL  ),
1829       mpBar ( NULL  )
1830 {
1831     Reset();
1832 }
1833
1834 bool wxBarIterator::Next()
1835 {
1836     if ( mpRow )
1837     {
1838         if ( mpBar )
1839             mpBar = mpBar->mpNext;
1840         else
1841         {
1842             if ( mpRow->mBars.GetCount() == 0 )
1843             {
1844                 return FALSE;
1845             }
1846
1847             mpBar = mpRow->mBars[0];
1848         }
1849
1850         if ( !mpBar )
1851         {
1852             // skip to the next row
1853
1854             mpRow = mpRow->mpNext;
1855
1856             if ( mpRow )
1857
1858                 mpBar = mpRow->mBars[0];
1859             else
1860                 return FALSE;
1861         }
1862
1863         return TRUE;
1864     }
1865     else
1866         return FALSE;
1867 }
1868
1869 cbBarInfo& wxBarIterator::BarInfo()
1870 {
1871     return *mpBar;
1872 }
1873
1874 cbRowInfo& wxBarIterator::RowInfo()
1875 {
1876     return *mpRow;
1877 }
1878
1879 /***** Implementation for class cbBarDimHandlerBase *****/
1880
1881 IMPLEMENT_ABSTRACT_CLASS( cbBarDimHandlerBase, wxObject )
1882
1883 cbBarDimHandlerBase::cbBarDimHandlerBase()
1884     : mRefCount(0)
1885 {}
1886
1887 void cbBarDimHandlerBase::AddRef()
1888 {
1889     ++mRefCount;
1890 }
1891
1892 void cbBarDimHandlerBase::RemoveRef()
1893 {
1894     if ( --mRefCount <= 0 ) delete this;
1895 }
1896
1897 /***** Implementation for class cbDimInfo *****/
1898
1899 IMPLEMENT_DYNAMIC_CLASS( cbDimInfo, wxObject )
1900
1901 cbDimInfo::cbDimInfo()
1902
1903     : mVertGap ( 0 ),
1904       mHorizGap( 0 ),
1905
1906       mIsFixed(TRUE),
1907       mpHandler( NULL )
1908 {
1909     size_t i;
1910     for ( i = 0; i != MAX_BAR_STATES; ++i )
1911     {
1912         mSizes[i].x = 20;
1913         mSizes[i].y = 20;
1914
1915         mBounds[i] = wxRect( -1,-1,-1,-1 );
1916     }
1917 }
1918
1919 cbDimInfo::cbDimInfo( cbBarDimHandlerBase* pDimHandler,
1920                       bool                 isFixed  )
1921
1922     : mVertGap ( 0 ),
1923       mHorizGap( 0 ),
1924       mIsFixed ( isFixed  ),
1925
1926       mpHandler( pDimHandler )
1927 {
1928     if ( mpHandler )
1929     {
1930         // int vtad = *((int*)mpHandler);
1931         mpHandler->AddRef();
1932     }
1933
1934     size_t i;
1935     for ( i = 0; i != MAX_BAR_STATES; ++i )
1936     {
1937         mSizes[i].x = -1;
1938         mSizes[i].y = -1;
1939
1940         mBounds[i] = wxRect( -1,-1,-1,-1 );
1941     }
1942 }
1943
1944 cbDimInfo::cbDimInfo( int dh_x, int dh_y,
1945                       int dv_x, int dv_y,
1946                       int f_x,  int f_y,
1947
1948                       bool isFixed,
1949                       int horizGap,
1950                       int vertGap,
1951
1952                       cbBarDimHandlerBase* pDimHandler
1953                     )
1954     : mVertGap  ( vertGap   ),
1955       mHorizGap ( horizGap  ),
1956       mIsFixed  ( isFixed   ),
1957       mpHandler( pDimHandler )
1958 {
1959     if ( mpHandler )
1960     {
1961         // int vtad = *((int*)mpHandler);
1962         mpHandler->AddRef();
1963     }
1964
1965     mSizes[wxCBAR_DOCKED_HORIZONTALLY].x = dh_x;
1966     mSizes[wxCBAR_DOCKED_HORIZONTALLY].y = dh_y;
1967     mSizes[wxCBAR_DOCKED_VERTICALLY  ].x = dv_x;
1968     mSizes[wxCBAR_DOCKED_VERTICALLY  ].y = dv_y;
1969     mSizes[wxCBAR_FLOATING           ].x = f_x;
1970     mSizes[wxCBAR_FLOATING           ].y = f_y;
1971
1972     size_t i;
1973     for ( i = 0; i != MAX_BAR_STATES; ++i )
1974         mBounds[i] = wxRect( -1,-1,-1,-1 );
1975 }
1976
1977 cbDimInfo::cbDimInfo( int x, int y,
1978                       bool isFixed, int gap,
1979                       cbBarDimHandlerBase* pDimHandler)
1980   : mVertGap  ( gap ),
1981     mHorizGap ( gap ),
1982     mIsFixed  ( isFixed ),
1983     mpHandler( pDimHandler )
1984 {
1985     if ( mpHandler )
1986     {
1987         // int vtad = *((int*)mpHandler);
1988         mpHandler->AddRef();
1989     }
1990
1991     mSizes[wxCBAR_DOCKED_HORIZONTALLY].x = x;
1992     mSizes[wxCBAR_DOCKED_HORIZONTALLY].y = y;
1993     mSizes[wxCBAR_DOCKED_VERTICALLY  ].x = x;
1994     mSizes[wxCBAR_DOCKED_VERTICALLY  ].y = y;
1995     mSizes[wxCBAR_FLOATING           ].x = x;
1996     mSizes[wxCBAR_FLOATING           ].y = y;
1997
1998     size_t i;
1999     for ( i = 0; i != MAX_BAR_STATES; ++i )
2000         mBounds[i] = wxRect( -1,-1,-1,-1 );
2001 }
2002
2003 cbDimInfo::~cbDimInfo()
2004 {
2005     if ( mpHandler )
2006
2007         mpHandler->RemoveRef();
2008 }
2009
2010 const cbDimInfo& cbDimInfo::operator=( const cbDimInfo& other )
2011 {
2012     if ( this == &other )
2013         return *this;
2014
2015     int i;
2016     for ( i = 0; i != MAX_BAR_STATES; ++i )
2017         mSizes[i] = other.mSizes[i];
2018
2019     mIsFixed  = other.mIsFixed;
2020     mpHandler = other.mpHandler;
2021
2022     mVertGap  = other.mVertGap;
2023     mHorizGap = other.mHorizGap;
2024
2025     if ( mpHandler )
2026
2027         mpHandler->AddRef();
2028
2029     return *this;
2030 }
2031
2032 /***** Implementation for structure cbCommonPaneProperties *****/
2033
2034 IMPLEMENT_DYNAMIC_CLASS( cbCommonPaneProperties, wxObject )
2035
2036 cbCommonPaneProperties::cbCommonPaneProperties(void)
2037
2038     : mRealTimeUpdatesOn    ( TRUE  ),
2039       mOutOfPaneDragOn      ( TRUE  ),
2040       mExactDockPredictionOn( FALSE ),
2041       mNonDestructFirctionOn( FALSE ),
2042       mShow3DPaneBorderOn   ( TRUE  ),
2043       mBarFloatingOn        ( FALSE ),
2044       mRowProportionsOn     ( FALSE ),
2045       mColProportionsOn     ( TRUE  ),
2046       mBarCollapseIconsOn   ( FALSE ),
2047       mBarDragHintsOn       ( FALSE ),
2048
2049       mMinCBarDim( 16, 16 ),
2050       mResizeHandleSize( 4 )
2051 {}
2052
2053 /***** Implementation for class cbRowInfo *****/
2054
2055 IMPLEMENT_DYNAMIC_CLASS( cbRowInfo, wxObject )
2056
2057 cbRowInfo::cbRowInfo(void)
2058
2059     : mNotFixedBarsCnt( FALSE ),
2060       mpNext          ( NULL ),
2061       mpPrev          ( NULL ),
2062       mpExpandedBar   ( NULL )
2063 {}
2064
2065 cbRowInfo::~cbRowInfo()
2066 {
2067     // nothing! all bars are removed using global bar
2068     // list in wxFrameLayout class
2069 }
2070
2071 /***** Implementation for class cbBarInfo *****/
2072
2073 IMPLEMENT_DYNAMIC_CLASS( cbBarInfo, wxObject )
2074
2075 cbBarInfo::cbBarInfo(void)
2076
2077     : mpRow( NULL ),
2078
2079       mpNext( NULL ),
2080       mpPrev( NULL )
2081 {}
2082
2083 cbBarInfo::~cbBarInfo()
2084 {
2085     // nothing
2086 }
2087
2088 /***** Implementation for class cbDockPane *****/
2089
2090 IMPLEMENT_DYNAMIC_CLASS( cbDockPane, wxObject )
2091
2092 // FIXME:: how to eliminate these cut&pasted constructors?
2093
2094 cbDockPane::cbDockPane(void)
2095     : mLeftMargin  ( 1 ),
2096       mRightMargin ( 1 ),
2097       mTopMargin   ( 1 ),
2098       mBottomMargin( 1 ),
2099       mPaneWidth ( 32768     ), // fake-up very large pane dims,
2100                                 // since the real dimensions of the pane may not
2101                                 // be known, while inserting bars initially
2102       mPaneHeight( 32768     ),
2103       mAlignment ( -1   ),
2104       mpLayout   ( 0 ),
2105       mpStoredRow( NULL )
2106 {}
2107
2108 cbDockPane::cbDockPane( int alignment, wxFrameLayout* pPanel )
2109
2110     :  mLeftMargin  ( 1 ),
2111       mRightMargin ( 1 ),
2112       mTopMargin   ( 1 ),
2113       mBottomMargin( 1 ),
2114       mPaneWidth ( 32768     ), // fake-up very large pane dims,
2115                                 // since the real dimensions of the pane may not
2116                                 // be known, while inserting bars initially
2117       mPaneHeight( 32768     ),
2118       mAlignment ( alignment ),
2119       mpLayout   ( pPanel    ),
2120       mpStoredRow( NULL )
2121 {}
2122
2123 cbDockPane::~cbDockPane()
2124 {
2125     size_t i;
2126     for ( i = 0; i != mRows.Count(); ++i )
2127         delete mRows[i];
2128
2129     mRowShapeData.DeleteContents( TRUE );
2130
2131     // NOTE:: control bar infromation structures are cleaned-up
2132     //        in wxFrameLayout's destructor, using global control-bar list
2133 }
2134
2135 void cbDockPane::SetMargins( int top, int bottom, int left, int right )
2136 {
2137     mTopMargin    = top;
2138     mBottomMargin = bottom;
2139     mLeftMargin   = left;
2140     mRightMargin  = right;
2141 }
2142
2143 /*** helpers of cbDockPane ***/
2144
2145 void cbDockPane::PaintBarDecorations( cbBarInfo* pBar, wxDC& dc )
2146 {
2147     cbDrawBarDecorEvent evt( pBar, dc, this );
2148
2149     mpLayout->FirePluginEvent( evt );
2150 }
2151
2152 void cbDockPane::PaintBarHandles( cbBarInfo* pBar, wxDC& dc )
2153 {
2154     cbDrawBarHandlesEvent evt( pBar, dc, this );
2155
2156     mpLayout->FirePluginEvent( evt );
2157 }
2158
2159 void cbDockPane::PaintBar( cbBarInfo* pBar, wxDC& dc )
2160 {
2161     PaintBarDecorations( pBar, dc );
2162     PaintBarHandles( pBar, dc );
2163 }
2164
2165 void cbDockPane::PaintRowHandles( cbRowInfo* pRow, wxDC& dc )
2166 {
2167     cbDrawRowHandlesEvent evt( pRow, dc, this );
2168
2169     mpLayout->FirePluginEvent( evt );
2170
2171     cbDrawRowDecorEvent evt1( pRow, dc, this );
2172
2173     mpLayout->FirePluginEvent( evt1 );
2174 }
2175
2176 void cbDockPane::PaintRowBackground ( cbRowInfo* pRow, wxDC& dc )
2177 {
2178     cbDrawRowBkGroundEvent evt( pRow, dc, this );
2179
2180     mpLayout->FirePluginEvent( evt );
2181 }
2182
2183 void cbDockPane::PaintRowDecorations( cbRowInfo* pRow, wxDC& dc )
2184 {
2185     size_t i = 0;
2186
2187     // decorations first
2188     for ( i = 0; i != pRow->mBars.Count(); ++i )
2189
2190         PaintBarDecorations( pRow->mBars[i], dc );
2191
2192     // then handles if present
2193     for ( i = 0; i != pRow->mBars.Count(); ++i )
2194
2195         PaintBarHandles( pRow->mBars[i], dc );
2196 }
2197
2198 void cbDockPane::PaintRow( cbRowInfo* pRow, wxDC& dc )
2199 {
2200     PaintRowBackground ( pRow, dc );
2201     PaintRowDecorations( pRow, dc );
2202     PaintRowHandles    ( pRow, dc );
2203 }
2204
2205 void cbDockPane::PaintPaneBackground( wxDC& dc )
2206 {
2207     cbDrawPaneBkGroundEvent evt( dc, this );
2208
2209     mpLayout->FirePluginEvent( evt );
2210 }
2211
2212 void cbDockPane::PaintPaneDecorations( wxDC& dc )
2213 {
2214     cbDrawPaneDecorEvent evt( dc, this );
2215
2216     mpLayout->FirePluginEvent( evt );
2217 }
2218
2219 void cbDockPane::PaintPane( wxDC& dc )
2220 {
2221     PaintPaneBackground( dc );
2222
2223     size_t i = 0;
2224
2225     // first decorations
2226     for ( i = 0; i != mRows.Count(); ++i )
2227     {
2228         PaintRowBackground( mRows[i], dc );
2229         PaintRowDecorations( mRows[i], dc );
2230     }
2231
2232     // than handles
2233     for ( i = 0; i != mRows.Count(); ++i )
2234         PaintRowHandles( mRows[i], dc );
2235
2236     // and finally
2237     PaintPaneDecorations( dc );
2238 }
2239
2240 void cbDockPane::SizeBar( cbBarInfo* pBar )
2241 {
2242     cbSizeBarWndEvent evt( pBar, this );
2243
2244     mpLayout->FirePluginEvent( evt );
2245     return;
2246 }
2247
2248 void cbDockPane::SizeRowObjects( cbRowInfo* pRow )
2249 {
2250     size_t i;
2251     for ( i = 0; i != pRow->mBars.Count(); ++i )
2252         SizeBar( pRow->mBars[i] );
2253 }
2254
2255 void cbDockPane::SizePaneObjects()
2256 {
2257     size_t i;
2258     for ( i = 0; i != mRows.Count(); ++i )
2259         SizeRowObjects( mRows[i] );
2260 }
2261
2262 wxDC* cbDockPane::StartDrawInArea( const wxRect& area )
2263 {
2264     wxDC* pDc = 0;
2265
2266     cbStartDrawInAreaEvent evt( area, &pDc, this );
2267
2268     mpLayout->FirePluginEvent( evt );
2269
2270     return pDc;
2271 }
2272
2273 void cbDockPane::FinishDrawInArea( const wxRect& area )
2274 {
2275     cbFinishDrawInAreaEvent evt( area, this );
2276
2277     mpLayout->FirePluginEvent( evt );
2278 }
2279
2280 bool cbDockPane::IsFixedSize( cbBarInfo* pInfo )
2281 {
2282     return ( pInfo->mDimInfo.mIsFixed );
2283 }
2284
2285 int cbDockPane::GetNotFixedBarsCount( cbRowInfo* pRow )
2286 {
2287     int cnt = 0;
2288
2289     size_t i;
2290     for ( i = 0; i != pRow->mBars.Count(); ++i )
2291     {
2292         if ( !pRow->mBars[i]->IsFixed() )
2293             ++cnt;
2294     }
2295
2296     return cnt;
2297 }
2298
2299 void cbDockPane::RemoveBar( cbBarInfo* pBar )
2300 {
2301     bool needsRestoring = mProps.mNonDestructFirctionOn &&
2302                           mpStoredRow == pBar->mpRow;
2303
2304     cbRemoveBarEvent evt( pBar, this );
2305
2306     mpLayout->FirePluginEvent( evt );
2307
2308     if ( needsRestoring )
2309     {
2310         SetRowShapeData( mpStoredRow, &mRowShapeData );
2311
2312         mpStoredRow = NULL;
2313     }
2314 }
2315
2316 void cbDockPane::SyncRowFlags( cbRowInfo* pRow )
2317 {
2318     // setup mHasOnlyFixedBars flag for the row information
2319     pRow->mHasOnlyFixedBars = TRUE;
2320
2321     pRow->mNotFixedBarsCnt = 0;
2322
2323     size_t i;
2324     for ( i = 0; i != pRow->mBars.Count(); ++i )
2325     {
2326         cbBarInfo& bar = *pRow->mBars[i];
2327
2328         bar.mpRow = pRow;
2329
2330         if ( !bar.IsFixed() )
2331         {
2332             pRow->mHasOnlyFixedBars = FALSE;
2333             ++pRow->mNotFixedBarsCnt;
2334         }
2335     }
2336 }
2337
2338 void cbDockPane::FrameToPane( int* x, int* y )
2339 {
2340     *x -= mLeftMargin;
2341     *y -= mTopMargin;
2342
2343     if ( mAlignment == FL_ALIGN_TOP ||
2344          mAlignment == FL_ALIGN_BOTTOM
2345        )
2346     {
2347         *x -= mBoundsInParent.x;
2348         *y -= mBoundsInParent.y;
2349     }
2350     else
2351     {
2352         int rx = *x, ry = *y;
2353
2354         *x = ry - mBoundsInParent.y;
2355
2356         *y = rx - mBoundsInParent.x;
2357     }
2358 }
2359
2360 void cbDockPane::PaneToFrame( int* x, int* y )
2361 {
2362     if ( mAlignment == FL_ALIGN_TOP ||
2363          mAlignment == FL_ALIGN_BOTTOM
2364        )
2365     {
2366         *x += mBoundsInParent.x;
2367         *y += mBoundsInParent.y;
2368     }
2369     else
2370     {
2371         int rx = *x, ry = *y;
2372
2373         *x = ry + mBoundsInParent.x;
2374
2375         *y = mBoundsInParent.y + rx;
2376     }
2377
2378     *x += mLeftMargin;
2379     *y += mTopMargin;
2380 }
2381
2382 void cbDockPane::FrameToPane( wxRect* pRect )
2383 {
2384     wxPoint upperLeft ( pRect->x, pRect->y );
2385     wxPoint lowerRight( pRect->x + pRect->width,
2386                         pRect->y + pRect->height );
2387
2388     FrameToPane( &upperLeft.x,  &upperLeft.y  );
2389     FrameToPane( &lowerRight.x, &lowerRight.y );
2390
2391     pRect->x = wxMin(upperLeft.x,lowerRight.x);
2392     pRect->y = wxMin(upperLeft.y,lowerRight.y);
2393
2394     pRect->width  = abs( lowerRight.x - upperLeft.x );
2395     pRect->height = abs( lowerRight.y - upperLeft.y );
2396 }
2397
2398 void cbDockPane::PaneToFrame( wxRect* pRect )
2399 {
2400     wxPoint upperLeft ( pRect->x, pRect->y );
2401     wxPoint lowerRight( pRect->x + pRect->width,
2402                         pRect->y + pRect->height );
2403
2404     PaneToFrame( &upperLeft.x,  &upperLeft.y  );
2405     PaneToFrame( &lowerRight.x, &lowerRight.y );
2406
2407     //wxRect newRect = wxRect( upperLeft, lowerRight );
2408
2409     pRect->x = wxMin(upperLeft.x,lowerRight.x);
2410     pRect->y = wxMin(upperLeft.y,lowerRight.y);
2411
2412     pRect->width  = abs( lowerRight.x - upperLeft.x );
2413     pRect->height = abs( lowerRight.y - upperLeft.y );
2414 }
2415
2416 int cbDockPane::GetRowAt( int paneY )
2417 {
2418     if ( paneY < 0 )
2419         return -1;
2420
2421     int curY = 0;
2422
2423     size_t i = 0;
2424
2425     for ( ; i != mRows.Count(); ++i )
2426     {
2427         int rowHeight = mRows[i]->mRowHeight;
2428
2429         int third = rowHeight/3;
2430
2431         if ( paneY >= curY && paneY < curY + third )
2432             return i-1;
2433
2434         if ( paneY >= curY + third && paneY < curY + rowHeight - third )
2435             return i;
2436
2437         curY += rowHeight;
2438     }
2439
2440     return i;
2441 }
2442
2443 int cbDockPane::GetRowAt( int upperY, int lowerY )
2444 {
2445     /*
2446     // OLD STUFF::
2447     int range    = lowerY - upperY;
2448     int oneThird = range / 3;
2449
2450     wxNode* pRow = mRows.First();
2451     int row = 0;
2452     int curY = 0;
2453
2454     if ( lowerY <= 0 ) return -1;
2455
2456     while( pRow )
2457     {
2458         int rowHeight = GetRowHeight( (wxList*)pRow->Data() );
2459
2460         if ( upperY >= curY &&
2461              lowerY < curY ) return row;
2462
2463         if ( upperY <= curY &&
2464              lowerY >= curY &&
2465              curY - upperY >= oneThird ) return row-1;
2466
2467         if ( ( upperY <  curY + rowHeight &&
2468                lowerY >= curY + rowHeight &&
2469                curY + rowHeight - lowerY >= oneThird )
2470            )
2471             return row+1;
2472
2473         if ( lowerY <= curY + rowHeight ) return row;
2474
2475         ++row;
2476         curY += rowHeight;
2477         pRow = pRow->Next();
2478     }
2479     */
2480
2481     int mid = upperY + (lowerY - upperY)/2;
2482
2483     if ( mid < 0 )
2484         return -1;
2485
2486     int curY = 0;
2487     size_t i = 0;
2488
2489     for ( ; i != mRows.Count(); ++i )
2490     {
2491         int rowHeight = mRows[i]->mRowHeight;
2492
2493         if ( mid >= curY && mid < curY + rowHeight ) return i;
2494
2495         curY += rowHeight;
2496     }
2497
2498     return i;
2499 }
2500
2501 int cbDockPane::GetRowY( cbRowInfo* pRow )
2502 {
2503     int curY = 0;
2504
2505     size_t i;
2506     for ( i = 0; i != mRows.Count(); ++i )
2507     {
2508         if ( mRows[i] == pRow )
2509             break;
2510
2511         curY += mRows[i]->mRowHeight;
2512     }
2513
2514     return curY;
2515 }
2516
2517 bool cbDockPane::HasNotFixedRowsAbove( cbRowInfo* pRow )
2518 {
2519     while ( pRow->mpPrev )
2520     {
2521         pRow = pRow->mpPrev;
2522
2523         if ( pRow->mHasOnlyFixedBars )
2524
2525             return TRUE;
2526     }
2527
2528     return FALSE;
2529 }
2530
2531 bool cbDockPane::HasNotFixedRowsBelow( cbRowInfo* pRow )
2532 {
2533     while( pRow->mpNext )
2534     {
2535         pRow = pRow->mpNext;
2536
2537         if ( pRow->mHasOnlyFixedBars )
2538
2539             return TRUE;
2540     }
2541
2542     return FALSE;
2543 }
2544
2545 bool cbDockPane::HasNotFixedBarsLeft( cbBarInfo* pBar )
2546 {
2547     while( pBar->mpPrev )
2548     {
2549         pBar = pBar->mpPrev;
2550
2551         if ( pBar->IsFixed() )
2552
2553             return TRUE;
2554     }
2555
2556     return FALSE;
2557 }
2558
2559 bool cbDockPane::HasNotFixedBarsRight( cbBarInfo* pBar )
2560 {
2561     while( pBar->mpNext )
2562     {
2563         pBar = pBar->mpNext;
2564
2565         if ( pBar->IsFixed() )
2566
2567             return TRUE;
2568     }
2569
2570     return FALSE;
2571 }
2572
2573 void cbDockPane::CalcLengthRatios( cbRowInfo* pInRow )
2574 {
2575     int totalWidth = 0;
2576
2577     size_t i = 0;
2578
2579     // clac current-maximal-total-length of all maximized bars
2580
2581     for ( i = 0; i != pInRow->mBars.GetCount(); ++i )
2582     {
2583         cbBarInfo& bar = *pInRow->mBars[i];
2584
2585         if ( !bar.IsFixed() )
2586             totalWidth += bar.mBounds.width;
2587     }
2588
2589     // set up persentages of occupied space for each maximized bar
2590
2591     for ( i = 0; i != pInRow->mBars.Count(); ++i )
2592     {
2593         cbBarInfo& bar = *pInRow->mBars[i];
2594
2595         if ( !bar.IsFixed() )
2596             bar.mLenRatio = double(bar.mBounds.width)/double(totalWidth);
2597     }
2598 }
2599
2600 void cbDockPane::RecalcRowLayout( cbRowInfo* pRow )
2601 {
2602     cbLayoutRowEvent evt( pRow, this );
2603
2604     mpLayout->FirePluginEvent( evt );
2605 }
2606
2607 void cbDockPane::ExpandBar( cbBarInfo* pBar )
2608 {
2609     mpLayout->GetUpdatesManager().OnStartChanges();
2610
2611     if ( !pBar->mpRow->mpExpandedBar )
2612     {
2613         // save ratios only when there arent any bars expanded yet
2614
2615         cbArrayFloat& ratios = pBar->mpRow->mSavedRatios;
2616
2617         ratios.Clear();
2618         ratios.Alloc( pBar->mpRow->mNotFixedBarsCnt );
2619
2620         cbBarInfo* pCur = pBar->mpRow->mBars[0];
2621
2622         while( pCur )
2623         {
2624             if ( !pCur->IsFixed() )
2625             {
2626                 ratios.Add( 0.0 );
2627                 ratios[ ratios.GetCount() - 1 ] = pCur->mLenRatio;
2628             }
2629
2630             pCur = pCur->mpNext;
2631         }
2632     }
2633
2634     cbBarInfo* pCur = pBar->mpRow->mBars[0];
2635
2636     while( pCur )
2637     {
2638         pCur->mLenRatio = 0.0; // minimize the rest
2639
2640         pCur = pCur->mpNext;
2641     }
2642
2643     pBar->mLenRatio     = 1.0; // 100%
2644     pBar->mBounds.width = 0;
2645
2646     pBar->mpRow->mpExpandedBar = pBar;
2647
2648     mpLayout->RecalcLayout( FALSE );
2649
2650     mpLayout->GetUpdatesManager().OnFinishChanges();
2651     mpLayout->GetUpdatesManager().UpdateNow();
2652 }
2653
2654 void cbDockPane::ContractBar( cbBarInfo* pBar )
2655 {
2656     mpLayout->GetUpdatesManager().OnStartChanges();
2657
2658     // FIXME: What's the purpose of this???
2659     // double ratio = 1.0/ double( pBar->mpRow->mNotFixedBarsCnt );
2660
2661     // restore ratios which were present before expansion
2662
2663     cbBarInfo* pCur = pBar->mpRow->mBars[0];
2664
2665     cbArrayFloat& ratios = pBar->mpRow->mSavedRatios;
2666
2667     size_t i = 0;
2668
2669     while( pCur )
2670     {
2671         if ( !pCur->IsFixed() )
2672         {
2673             pCur->mLenRatio = ratios[i];
2674             ++i;
2675         }
2676
2677         pCur = pCur->mpNext;
2678     }
2679
2680     ratios.Clear();
2681     ratios.Shrink();
2682
2683     pBar->mpRow->mpExpandedBar = NULL;
2684
2685     mpLayout->RecalcLayout( FALSE );
2686
2687     mpLayout->GetUpdatesManager().OnFinishChanges();
2688     mpLayout->GetUpdatesManager().UpdateNow();
2689 }
2690
2691 void cbDockPane::InitLinksForRow( cbRowInfo* pRow )
2692 {
2693     size_t i;
2694     for ( i = 0; i != pRow->mBars.Count(); ++i )
2695     {
2696         cbBarInfo& bar = *pRow->mBars[i];
2697
2698         if ( i == 0 )
2699             bar.mpPrev = NULL;
2700         else
2701             bar.mpPrev = pRow->mBars[i-1];
2702
2703         if ( i == pRow->mBars.Count() - 1 )
2704             bar.mpNext = NULL;
2705         else
2706             bar.mpNext = pRow->mBars[i+1];
2707     }
2708 }
2709
2710 void cbDockPane::InitLinksForRows()
2711 {
2712     size_t i;
2713     for ( i = 0; i != mRows.Count(); ++i )
2714     {
2715         cbRowInfo& row = *mRows[i];
2716
2717         if ( i == 0 )
2718             row.mpPrev = NULL;
2719         else
2720             row.mpPrev = mRows[i-1];
2721
2722         if ( i == mRows.Count() - 1 )
2723             row.mpNext = NULL;
2724         else
2725             row.mpNext = mRows[i+1];
2726     }
2727 }
2728
2729 void cbDockPane::DoInsertBar( cbBarInfo* pBar, int rowNo )
2730 {
2731     cbRowInfo* pRow = NULL;
2732
2733     if ( rowNo == -1 || rowNo >= (int)mRows.Count() )
2734     {
2735         pRow = new cbRowInfo();
2736
2737         if ( rowNo == -1 && mRows.Count() )
2738
2739             mRows.Insert( pRow, 0 );
2740         else
2741             mRows.Add( pRow );
2742
2743         InitLinksForRows();
2744     }
2745     else
2746     {
2747         pRow = mRows[rowNo];
2748
2749         if ( mProps.mNonDestructFirctionOn == TRUE )
2750         {
2751             // store original shape of the row (before the bar is inserted)
2752
2753             mpStoredRow = pRow;
2754
2755             GetRowShapeData( mpStoredRow, &mRowShapeData );
2756         }
2757     }
2758
2759     if ( pRow->mBars.Count() )
2760
2761         pRow->mpExpandedBar = NULL;
2762
2763     cbInsertBarEvent insEvt( pBar, pRow, this );
2764
2765     mpLayout->FirePluginEvent( insEvt );
2766
2767     mpLayout->GetUpdatesManager().OnRowWillChange( pRow, this );
2768 }
2769
2770 void cbDockPane::InsertBar( cbBarInfo* pBarInfo, const wxRect& atRect )
2771 {
2772     wxRect rect = atRect;
2773     FrameToPane( &rect );
2774
2775     pBarInfo->mBounds.x      = rect.x;
2776     pBarInfo->mBounds.width  = rect.width;
2777     pBarInfo->mBounds.height = rect.height;
2778
2779     int row = GetRowAt( rect.y, rect.y + rect.height );
2780
2781     DoInsertBar( pBarInfo, row );
2782 }
2783
2784 void cbDockPane::InsertBar( cbBarInfo* pBar, cbRowInfo* pIntoRow )
2785 {
2786     cbInsertBarEvent insEvt( pBar, pIntoRow, this );
2787
2788     mpLayout->FirePluginEvent( insEvt );
2789
2790     mpLayout->GetUpdatesManager().OnRowWillChange( pIntoRow, this );
2791 }
2792
2793 void cbDockPane::InsertBar( cbBarInfo* pBarInfo )
2794 {
2795     // set transient properties
2796
2797     pBarInfo->mpRow           = NULL;
2798     pBarInfo->mHasLeftHandle  = FALSE;
2799     pBarInfo->mHasRightHandle = FALSE;
2800     pBarInfo->mLenRatio       = 0.0;
2801
2802     // set preferred bar dimensions, according to the state in which
2803     // the bar is being inserted
2804
2805     pBarInfo->mBounds.width   = pBarInfo->mDimInfo.mSizes[ pBarInfo->mState ].x;
2806     pBarInfo->mBounds.height  = pBarInfo->mDimInfo.mSizes[ pBarInfo->mState ].y;
2807
2808     DoInsertBar( pBarInfo, pBarInfo->mRowNo );
2809 }
2810
2811 void cbDockPane::RemoveRow( cbRowInfo* pRow )
2812 {
2813     size_t i;
2814     // first, hide all bar-windows in the removed row
2815     for ( i = 0; i != pRow->mBars.Count(); ++i )
2816     {
2817         if ( pRow->mBars[i]->mpBarWnd )
2818             pRow->mBars[i]->mpBarWnd->Show( FALSE );
2819     }
2820
2821     mRows.Remove( pRow );
2822
2823     pRow->mUMgrData.SetDirty(TRUE);
2824 }
2825
2826 void cbDockPane::InsertRow( cbRowInfo* pRow, cbRowInfo* pBeforeRow )
2827 {
2828     if ( !pBeforeRow )
2829
2830         mRows.Add( pRow );
2831     else
2832         mRows.Insert( pRow, mRows.Index( pBeforeRow ) );
2833
2834     InitLinksForRows();
2835
2836     pRow->mUMgrData.SetDirty(TRUE);
2837
2838     size_t i;
2839     for ( i = 0; i != pRow->mBars.Count(); ++i )
2840         pRow->mBars[i]->mUMgrData.SetDirty( TRUE );
2841
2842     SyncRowFlags( pRow );
2843 }
2844
2845 void cbDockPane::SetPaneWidth(int width)
2846 {
2847     if ( IsHorizontal() )
2848         mPaneWidth = width - mLeftMargin - mRightMargin;
2849     else
2850         mPaneWidth = width - mTopMargin - mBottomMargin;
2851 }
2852
2853
2854 void cbDockPane::SetBoundsInParent( const wxRect& rect )
2855 {
2856     mBoundsInParent = rect;
2857
2858     // set pane dimensions in local coordinates
2859
2860     if ( IsHorizontal() )
2861     {
2862         mPaneWidth  = mBoundsInParent.width  - ( mRightMargin + mLeftMargin   );
2863         mPaneHeight = mBoundsInParent.height - ( mTopMargin   + mBottomMargin );
2864     }
2865     else
2866     {
2867         mPaneWidth  = mBoundsInParent.height - ( mTopMargin   + mBottomMargin );
2868         mPaneHeight = mBoundsInParent.width  - ( mRightMargin + mLeftMargin   );
2869     }
2870
2871     // convert bounding rectangles of all pane items into parent frame's coordinates
2872
2873     wxBarIterator i( mRows );
2874
2875     wxRect noMarginsRect = mBoundsInParent;
2876
2877     noMarginsRect.x      += mLeftMargin;
2878     noMarginsRect.y      += mTopMargin;
2879     noMarginsRect.width  -= ( mLeftMargin + mRightMargin  );
2880     noMarginsRect.height -= ( mTopMargin  + mBottomMargin );
2881
2882     // hide the whole pane, if it's bounds became reverted (i.e. pane vanished)
2883
2884     if ( mBoundsInParent.width < 0 ||
2885          mBoundsInParent.height < 0 )
2886
2887          hide_rect( mBoundsInParent );
2888
2889     if ( noMarginsRect.width < 0 ||
2890          noMarginsRect.height < 0 )
2891
2892         hide_rect( noMarginsRect   );
2893
2894     // calculate mBoundsInParent for each item in the pane
2895
2896     while( i.Next() )
2897     {
2898         cbBarInfo& bar = i.BarInfo();
2899
2900         cbRowInfo* pRowInfo = bar.mpRow;
2901
2902         // set up row info, if this is first bar in the row
2903
2904         if ( pRowInfo && bar.mpPrev == NULL )
2905         {
2906             pRowInfo->mBoundsInParent.y      = pRowInfo->mRowY;
2907             pRowInfo->mBoundsInParent.x      = 0;
2908             pRowInfo->mBoundsInParent.width  = mPaneWidth;
2909             pRowInfo->mBoundsInParent.height = pRowInfo->mRowHeight;
2910
2911             PaneToFrame( &pRowInfo->mBoundsInParent );
2912
2913             clip_rect_against_rect( pRowInfo->mBoundsInParent, noMarginsRect );
2914         }
2915
2916         wxRect bounds = bar.mBounds;
2917
2918         // exclude dimensions of handles, when calculating
2919         // bar's bounds in parent (i.e. "visual bounds")
2920
2921         if ( bar.mHasLeftHandle )
2922         {
2923             bounds.x     += mProps.mResizeHandleSize;
2924             bounds.width -= mProps.mResizeHandleSize;
2925         }
2926
2927         if ( bar.mHasRightHandle )
2928
2929             bounds.width -= mProps.mResizeHandleSize;
2930
2931         PaneToFrame( &bounds );
2932
2933         clip_rect_against_rect( bounds, noMarginsRect );
2934
2935         bar.mBoundsInParent = bounds;
2936     }
2937 }
2938
2939 bool cbDockPane::BarPresent( cbBarInfo* pBar )
2940 {
2941     wxBarIterator iter( mRows );
2942
2943     while( iter.Next() )
2944
2945         if ( &iter.BarInfo() == pBar ) return TRUE;
2946
2947     return FALSE;
2948 }
2949
2950 cbRowInfo* cbDockPane::GetRow( int row )
2951 {
2952     if ( row >= (int)mRows.Count() ) return NULL;
2953
2954     return mRows[ row ];
2955 }
2956
2957 int cbDockPane::GetRowIndex( cbRowInfo* pRow )
2958 {
2959     size_t i;
2960     for ( i = 0; i != mRows.Count(); ++i )
2961     {
2962         if ( mRows[i] == pRow )
2963             return i;
2964     }
2965
2966     wxFAIL_MSG("Row must be present to call cbDockPane::GetRowIndex()");
2967
2968     return 0;
2969 }
2970
2971 int cbDockPane::GetPaneHeight()
2972 {
2973     // first, recalculate row heights and the Y-positions
2974
2975     cbLayoutRowsEvent evt( this );
2976     mpLayout->FirePluginEvent( evt );
2977
2978     int height = 0;
2979
2980     if ( IsHorizontal() )
2981
2982         height += mTopMargin  + mBottomMargin;
2983     else
2984         height += mLeftMargin + mRightMargin;
2985
2986     int count = mRows.Count();
2987
2988     if ( count )
2989
2990         height += mRows[count-1]->mRowY + mRows[count-1]->mRowHeight;
2991
2992     return height;
2993 }
2994
2995 int cbDockPane::GetAlignment()
2996 {
2997     return mAlignment;
2998 }
2999
3000 bool cbDockPane::MatchesMask( int paneMask )
3001 {
3002     int thisMask = 0;
3003
3004     // FIXME:: use array instead of switch()
3005
3006     switch (mAlignment)
3007     {
3008         case FL_ALIGN_TOP    : thisMask = FL_ALIGN_TOP_PANE;   break;
3009         case FL_ALIGN_BOTTOM : thisMask = FL_ALIGN_BOTTOM_PANE;break;
3010         case FL_ALIGN_LEFT   : thisMask = FL_ALIGN_LEFT_PANE;  break;
3011         case FL_ALIGN_RIGHT  : thisMask = FL_ALIGN_RIGHT_PANE; break;
3012
3013         default:
3014             wxFAIL_MSG("Bad FL alignment type detected in cbDockPane::MatchesMask()");
3015     }
3016
3017     return ( thisMask & paneMask ) != 0;
3018 }
3019
3020 void cbDockPane::RecalcLayout()
3021 {
3022     // first, reposition rows and items vertically
3023
3024     cbLayoutRowsEvent evt( this );
3025     mpLayout->FirePluginEvent( evt );
3026
3027     // then horizontally in each row
3028
3029     size_t i;
3030     for ( i = 0; i != mRows.Count(); ++i )
3031         RecalcRowLayout( mRows[i] );
3032 }
3033
3034 int cbDockPane::GetDockingState()
3035 {
3036     if ( mAlignment == FL_ALIGN_TOP ||
3037          mAlignment == FL_ALIGN_BOTTOM )
3038     {
3039         return wxCBAR_DOCKED_HORIZONTALLY;
3040     }
3041     else
3042         return wxCBAR_DOCKED_VERTICALLY;
3043 }
3044
3045 inline bool cbDockPane::HasPoint( const wxPoint& pos, int x, int y,
3046                                   int width, int height )
3047 {
3048     return ( pos.x >= x &&
3049              pos.y >= y &&
3050              pos.x < x + width &&
3051              pos.y < y + height   );
3052 }
3053
3054 int cbDockPane::HitTestPaneItems( const wxPoint& pos,
3055                                   cbRowInfo**    ppRow,
3056                                   cbBarInfo**    ppBar
3057                                 )
3058 {
3059     (*ppRow) = NULL;
3060     (*ppBar) = NULL;
3061
3062     size_t i;
3063     for ( i = 0; i != mRows.Count(); ++i )
3064     {
3065         cbRowInfo& row = *mRows[i];
3066
3067         *ppRow = &row;
3068
3069         // hit-test handles of the row, if present
3070
3071         if ( row.mHasUpperHandle )
3072         {
3073             if ( HasPoint( pos, 0, row.mRowY,
3074                            row.mRowWidth, mProps.mResizeHandleSize ) )
3075
3076                 return CB_UPPER_ROW_HANDLE_HITTED;
3077         }
3078         else
3079         if ( row.mHasLowerHandle )
3080         {
3081             if ( HasPoint( pos, 0, row.mRowY + row.mRowHeight - mProps.mResizeHandleSize,
3082                            row.mRowWidth, mProps.mResizeHandleSize ) )
3083
3084                     return CB_LOWER_ROW_HANDLE_HITTED;
3085         }
3086
3087         // hit-test bar handles and bar content
3088
3089         size_t k;
3090         for ( k = 0; k != row.mBars.Count(); ++k )
3091         {
3092             cbBarInfo& bar    = *row.mBars[k];
3093             wxRect&    bounds = bar.mBounds;
3094
3095             *ppBar = &bar;
3096
3097             if ( bar.mHasLeftHandle )
3098             {
3099                 if ( HasPoint( pos, bounds.x, bounds.y,
3100                                mProps.mResizeHandleSize, bounds.height ) )
3101
3102                     return CB_LEFT_BAR_HANDLE_HITTED;
3103             }
3104             else
3105             if ( bar.mHasRightHandle )
3106             {
3107                 if ( HasPoint( pos, bounds.x + bounds.width - mProps.mResizeHandleSize, bounds.y,
3108                                mProps.mResizeHandleSize, bounds.height ) )
3109
3110                     return CB_RIGHT_BAR_HANDLE_HITTED;
3111             }
3112
3113             if ( HasPoint( pos, bounds.x, bounds.y, bounds.width, bounds.height ) )
3114                 return CB_BAR_CONTENT_HITTED;
3115
3116         } // hit-test next bar
3117
3118     } // next row
3119
3120     return CB_NO_ITEMS_HITTED;
3121 }
3122
3123 void cbDockPane::GetBarResizeRange( cbBarInfo* pBar, int* from, int *till,
3124                                     bool forLeftHandle )
3125 {
3126     cbBarInfo* pGivenBar = pBar;
3127
3128     int notFree = 0;
3129
3130     // calc unavailable space from the left
3131
3132     while( pBar->mpPrev )
3133     {
3134         pBar = pBar->mpPrev;
3135
3136         if ( !pBar->IsFixed() ) notFree += mProps.mMinCBarDim.x;
3137                                 else notFree += pBar->mBounds.width;
3138     }
3139
3140     *from = notFree;
3141
3142     pBar = pGivenBar;
3143
3144     notFree = 0;
3145
3146     // calc unavailable space from the right
3147
3148     while( pBar->mpNext )
3149     {
3150         pBar = pBar->mpNext;
3151
3152         if ( pBar->mBounds.x >= mPaneWidth ) break;
3153
3154         // treat not-fixed bars as minimized
3155
3156         if ( !pBar->IsFixed() )
3157
3158             notFree += mProps.mMinCBarDim.x;
3159         else
3160         {
3161             if ( pBar->mBounds.x + pBar->mBounds.width >= mPaneWidth )
3162             {
3163                 notFree += mPaneWidth - pBar->mBounds.x;
3164                 break;
3165             }
3166             else
3167                 notFree += pBar->mBounds.width;
3168         }
3169
3170     }
3171
3172     *till = mPaneWidth - notFree;
3173
3174     // do not let resizing totally deform the bar itself
3175
3176     if ( forLeftHandle )
3177
3178         (*till) -= mProps.mMinCBarDim.x;
3179     else
3180
3181         (*from) += mProps.mMinCBarDim.x;
3182 }
3183
3184 int cbDockPane::GetMinimalRowHeight( cbRowInfo* pRow )
3185 {
3186     int height = mProps.mMinCBarDim.y;
3187
3188     size_t i;
3189     for ( i = 0; i != pRow->mBars.Count(); ++i )
3190     {
3191         if ( pRow->mBars[i]->IsFixed() )
3192             height = wxMax( height, pRow->mBars[i]->mBounds.height );
3193     }
3194
3195     if ( pRow->mHasUpperHandle )
3196         height += mProps.mResizeHandleSize;
3197
3198     if ( pRow->mHasLowerHandle )
3199         height += mProps.mResizeHandleSize;
3200
3201     return height;
3202 }
3203
3204 void cbDockPane::SetRowHeight( cbRowInfo* pRow, int newHeight )
3205 {
3206     if ( pRow->mHasUpperHandle )
3207
3208         newHeight -= mProps.mResizeHandleSize;
3209
3210     if ( pRow->mHasLowerHandle )
3211
3212         newHeight -= mProps.mResizeHandleSize;
3213
3214     size_t i;
3215     for ( i = 0; i != pRow->mBars.Count(); ++i )
3216     {
3217         if ( !pRow->mBars[i]->IsFixed() )
3218             pRow->mBars[i]->mBounds.height = newHeight;
3219     }
3220 }
3221
3222 void cbDockPane::GetRowResizeRange( cbRowInfo* pRow, int* from, int* till,
3223                                     bool forUpperHandle )
3224 {
3225     cbRowInfo* pGivenRow = pRow;
3226
3227     // calc unavailable space from above
3228
3229     int notFree = 0;
3230
3231     while( pRow->mpPrev )
3232     {
3233         pRow = pRow->mpPrev;
3234
3235         notFree += GetMinimalRowHeight( pRow );
3236
3237     };
3238
3239     *from = notFree;
3240
3241     // allow accupy the client window space by resizing pane rows
3242     if ( mAlignment == FL_ALIGN_BOTTOM )
3243
3244         *from -= mpLayout->GetClientHeight();
3245     else
3246     if ( mAlignment == FL_ALIGN_RIGHT )
3247
3248         *from -= mpLayout->GetClientWidth();
3249
3250     // calc unavailable space from below
3251
3252     pRow = pGivenRow;
3253
3254     notFree = 0;
3255
3256     while( pRow->mpNext )
3257     {
3258         pRow = pRow->mpNext;
3259
3260         notFree += GetMinimalRowHeight( pRow );
3261
3262     }
3263
3264     *till = mPaneHeight - notFree;
3265
3266     // allow adjustinig pane space vs. client window space by resizing pane row heights
3267
3268     if ( mAlignment == FL_ALIGN_TOP )
3269
3270         *till += mpLayout->GetClientHeight();
3271     else
3272     if ( mAlignment == FL_ALIGN_LEFT )
3273
3274         *till += mpLayout->GetClientWidth();
3275
3276     // do not let the resizing of the row totally squeeze the row itself
3277
3278     cbRowInfo& row = *pGivenRow;
3279
3280     if ( forUpperHandle )
3281     {
3282         *till = row.mRowY + row.mRowHeight - GetMinimalRowHeight( pGivenRow );
3283
3284         if ( row.mHasUpperHandle )
3285
3286             *till -= mProps.mResizeHandleSize;
3287     }
3288     else
3289     {
3290         *from += GetMinimalRowHeight( pGivenRow );
3291
3292         if ( row.mHasLowerHandle )
3293
3294             *from -= mProps.mResizeHandleSize;
3295     }
3296 }
3297
3298 void cbDockPane::ResizeRow( cbRowInfo* pRow, int ofs,
3299                             bool forUpperHandle )
3300 {
3301     cbResizeRowEvent evt( pRow, ofs, forUpperHandle, this );
3302
3303     mpLayout->FirePluginEvent( evt );
3304 }
3305
3306 void cbDockPane::ResizeBar( cbBarInfo* pBar, int ofs,
3307                             bool forLeftHandle )
3308 {
3309     pBar->mpRow->mpExpandedBar = NULL;
3310
3311     mpLayout->GetUpdatesManager().OnStartChanges();
3312
3313     wxRect&  bounds = pBar->mBounds;
3314
3315     if ( forLeftHandle )
3316     {
3317         // do not allow bar width become less then minimal
3318         if ( bounds.x + ofs > bounds.x + bounds.width - mProps.mMinCBarDim.x )
3319         {
3320             bounds.width = mProps.mMinCBarDim.x;
3321             bounds.x += ofs;
3322         }
3323         else
3324         {
3325             bounds.x     += ofs;
3326             bounds.width -= ofs;
3327         }
3328     }
3329     else
3330     {
3331         // move bar left if necessary
3332         if ( bounds.width + ofs < mProps.mMinCBarDim.x )
3333         {
3334             bounds.x     = bounds.x + bounds.width + ofs - mProps.mMinCBarDim.x;
3335             bounds.width = mProps.mMinCBarDim.x;
3336         }
3337         else
3338             // resize right border only
3339             bounds.width += ofs;
3340     }
3341
3342
3343     cbRowInfo* pToRow = pBar->mpRow;
3344
3345     this->RemoveBar( pBar );
3346
3347     InsertBar( pBar, pToRow );
3348
3349     mpLayout->RecalcLayout(FALSE);
3350
3351     mpLayout->GetUpdatesManager().OnFinishChanges();
3352     mpLayout->GetUpdatesManager().UpdateNow();
3353 }
3354
3355
3356 /*** row/bar resizing related methods ***/
3357
3358 void cbDockPane::DrawVertHandle( wxDC& dc, int x, int y, int height )
3359 {
3360     int lower = y + height;
3361
3362     dc.SetPen( mpLayout->mLightPen );
3363     dc.DrawLine( x,y, x, lower );
3364
3365     dc.SetPen( mpLayout->mGrayPen );
3366     int i;
3367     for ( i = 0; i != mProps.mResizeHandleSize-1; ++i )
3368     {
3369         ++x;
3370         dc.DrawLine( x,y, x, lower );
3371     }
3372
3373     dc.SetPen( mpLayout->mDarkPen );
3374     ++x;
3375     dc.DrawLine( x,y, x, lower );
3376
3377     dc.SetPen( mpLayout->mBlackPen );
3378     ++x;
3379     dc.DrawLine( x,y, x, lower );
3380 }
3381
3382 void cbDockPane::DrawHorizHandle( wxDC& dc, int x, int y, int width  )
3383 {
3384     int right = x + width;
3385
3386     dc.SetPen( mpLayout->mLightPen );
3387     dc.DrawLine( x,y, right, y );
3388
3389     dc.SetPen( mpLayout->mGrayPen );
3390
3391     int i;
3392     for ( i = 0; i != mProps.mResizeHandleSize-1; ++i )
3393     {
3394         ++y;
3395         dc.DrawLine( x,y, right, y );
3396     }
3397
3398     dc.SetPen( mpLayout->mDarkPen );
3399     dc.DrawLine( x,y, right, ++y );
3400
3401     dc.SetPen( mpLayout->mBlackPen );
3402     dc.DrawLine( x,y, right, ++y );
3403 }
3404
3405 cbBarInfo* cbDockPane::GetBarInfoByWindow( wxWindow* pBarWnd )
3406 {
3407     wxBarIterator i( mRows );
3408
3409     while( i.Next() )
3410
3411         if ( i.BarInfo().mpBarWnd == pBarWnd )
3412
3413             return &i.BarInfo();
3414
3415     return NULL;
3416 }
3417
3418 void cbDockPane::GetRowShapeData( cbRowInfo* pRow, wxList* pLst )
3419 {
3420     pLst->DeleteContents( TRUE );
3421     pLst->Clear();
3422
3423     size_t i;
3424     for ( i = 0; i != pRow->mBars.Count(); ++i )
3425     {
3426         cbBarInfo& bar = *pRow->mBars[i];
3427
3428         cbBarShapeData* pData = new cbBarShapeData();
3429
3430         pLst->Append( (wxObject*)pData );
3431
3432         pData->mBounds   = bar.mBounds;
3433         pData->mLenRatio = bar.mLenRatio;
3434     }
3435 }
3436
3437 void cbDockPane::SetRowShapeData( cbRowInfo* pRow, wxList* pLst )
3438 {
3439     if ( pLst->First() == NULL )
3440         return;
3441
3442     wxNode* pData = pLst->First();
3443
3444     size_t i;
3445     for ( i = 0; i != pRow->mBars.Count(); ++i )
3446     {
3447         wxASSERT( pData ); // DBG::
3448
3449         cbBarInfo& bar = *pRow->mBars[i];;
3450
3451         cbBarShapeData& data = *((cbBarShapeData*)pData->Data());
3452
3453         bar.mBounds   = data.mBounds;
3454         bar.mLenRatio = data.mLenRatio;
3455
3456         pData = pData->Next();
3457     }
3458 }
3459
3460 /***** Implementation for class cbUpdatesManagerBase *****/
3461
3462 IMPLEMENT_ABSTRACT_CLASS( cbUpdatesManagerBase, wxObject )
3463
3464 /***** Implementation for class cbPluginBase *****/
3465
3466 IMPLEMENT_ABSTRACT_CLASS( cbPluginBase, wxEvtHandler )
3467
3468 cbPluginBase::~cbPluginBase()
3469 {
3470     // nothing
3471 }
3472
3473 bool cbPluginBase::ProcessEvent(wxEvent& event)
3474 {
3475     if ( mPaneMask == wxALL_PANES )
3476
3477         return wxEvtHandler::ProcessEvent( event );
3478
3479     // extract mask info. from received event
3480
3481     cbPluginEvent& evt = *( (cbPluginEvent*)&event );
3482
3483     if ( evt.mpPane == 0 &&
3484          mPaneMask  == wxALL_PANES )
3485
3486          return wxEvtHandler::ProcessEvent( event );
3487
3488     int mask = 0;
3489
3490     switch ( evt.mpPane->mAlignment )
3491     {
3492         case FL_ALIGN_TOP    : mask = FL_ALIGN_TOP_PANE;   break;
3493         case FL_ALIGN_BOTTOM : mask = FL_ALIGN_BOTTOM_PANE;break;
3494         case FL_ALIGN_LEFT   : mask = FL_ALIGN_LEFT_PANE;  break;
3495         case FL_ALIGN_RIGHT  : mask = FL_ALIGN_RIGHT_PANE; break;
3496     }
3497
3498     // if event's pane maks matches the plugin's mask
3499
3500     if ( mPaneMask & mask )
3501
3502         return wxEvtHandler::ProcessEvent( event );
3503
3504     // otherwise pass to the next handler if present
3505
3506     if ( GetNextHandler() && GetNextHandler()->ProcessEvent( event ) )
3507
3508         return TRUE;
3509     else
3510         return FALSE;
3511 }
3512