contrib/src/fl/controlbar.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        controlbar.cpp
   3 // Purpose:     Implementation for main controlbar classes.
   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     wxEventType cbEVT_PL_LEFT_DOWN = wxNewEventType();
  54     wxEventType cbEVT_PL_LEFT_UP = wxNewEventType();
  55     wxEventType cbEVT_PL_RIGHT_DOWN = wxNewEventType();
  56     wxEventType cbEVT_PL_RIGHT_UP = wxNewEventType();
  57     wxEventType cbEVT_PL_MOTION = wxNewEventType();
  58
  59     wxEventType cbEVT_PL_LEFT_DCLICK = wxNewEventType();
  60
  61     wxEventType cbEVT_PL_LAYOUT_ROW = wxNewEventType();
  62     wxEventType cbEVT_PL_RESIZE_ROW = wxNewEventType();
  63     wxEventType cbEVT_PL_LAYOUT_ROWS = wxNewEventType();
  64     wxEventType cbEVT_PL_INSERT_BAR = wxNewEventType();
  65     wxEventType cbEVT_PL_RESIZE_BAR = wxNewEventType();
  66     wxEventType cbEVT_PL_REMOVE_BAR = wxNewEventType();
  67     wxEventType cbEVT_PL_SIZE_BAR_WND = wxNewEventType();
  68
  69     wxEventType cbEVT_PL_DRAW_BAR_DECOR = wxNewEventType();
  70     wxEventType cbEVT_PL_DRAW_ROW_DECOR = wxNewEventType();
  71     wxEventType cbEVT_PL_DRAW_PANE_DECOR = wxNewEventType();
  72     wxEventType cbEVT_PL_DRAW_BAR_HANDLES = wxNewEventType();
  73     wxEventType cbEVT_PL_DRAW_ROW_HANDLES = wxNewEventType();
  74     wxEventType cbEVT_PL_DRAW_ROW_BKGROUND = wxNewEventType();
  75     wxEventType cbEVT_PL_DRAW_PANE_BKGROUND = wxNewEventType();
  76
  77     wxEventType cbEVT_PL_START_BAR_DRAGGING = wxNewEventType();
  78     wxEventType cbEVT_PL_DRAW_HINT_RECT = wxNewEventType();
  79
  80     wxEventType cbEVT_PL_START_DRAW_IN_AREA = wxNewEventType();
  81     wxEventType cbEVT_PL_FINISH_DRAW_IN_AREA = wxNewEventType();
  82
  83     wxEventType cbEVT_PL_CUSTOMIZE_BAR = wxNewEventType();
  84     wxEventType cbEVT_PL_CUSTOMIZE_LAYOUT = wxNewEventType();
  85
  86     wxEventType wxCUSTOM_CB_PLUGIN_EVENTS_START_AT = wxNewEventType();
  87
  88 // some ascii-art, still can't get these *nice* cursors working on wx... :-(
  89
  90 /*
  91 // FIXME:: see places where _gHorizCursorImg is used
  92
  93 static const char* _gHorizCursorImg[] =
  94 {
  95     "............XX....XX............",
  96     "............XX....XX............",
  97     "............XX....XX............",
  98     "............XX....XX............",
  99     "............XX....XX............",
 100     "...X........XX....XX........X...",
 101     "..XX........XX....XX........XX..",
 102     ".XXX........XX....XX........XXX.",
 103     "XXXXXXXXXXXXXX....XXXXXXXXXXXXXX",
 104     ".XXX........XX....XX........XXX.",
 105     "..XX........XX....XX........XX..",
 106     "...X........XX....XX........X...",
 107     "............XX....XX............",
 108     "............XX....XX............",
 109     "............XX....XX............",
 110     "............XX....XX............"
 111 };
 112
 113 static const char* _gVertCursorImg[] =
 114 {
 115     "................X...............",
 116     "...............XXX..............",
 117     "..............XXXXX.............",
 118     ".............XXXXXXX............",
 119     "................X...............",
 120     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 121     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 122     "................................",
 123     "................................",
 124     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 125     "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 126     "................X...............",
 127     ".............XXXXXXX............",
 128     "..............XXXXX.............",
 129     "...............XXX..............",
 130     "................X..............."
 131 };
 132 */
 133
 134 // helper inline functions
 135
 136 static inline bool rect_contains_point( const wxRect& rect, int x, int y )
 137 {
 138     return ( x >= rect.x &&
 139              y >= rect.y &&
 140              x <  rect.x + rect.width  &&
 141              y <  rect.y + rect.height );
 142 }
 143
 144 static inline bool rect_hits_rect( const wxRect& r1, const wxRect& r2 )
 145 {
 146     if ( ( r2.x >= r1.x && r2.x <= r1.x + r1.width ) ||
 147          ( r1.x >= r2.x && r1.x <= r2.x + r2.width ) )
 148
 149         if ( ( r2.y >= r1.y && r2.y <= r1.y + r1.height ) ||
 150              ( r1.y >= r2.y && r1.y <= r2.y + r2.height ) )
 151
 152             return 1;
 153
 154     return 0;
 155 }
 156
 157 static inline void hide_rect( wxRect& r )
 158 {
 159     r.x = 32768;
 160     r.y = 32768;
 161     r.width  = 1;
 162     r.height = 1;
 163 }
 164
 165 static inline void clip_rect_against_rect( wxRect& r1, const wxRect& r2 )
 166 {
 167     if ( r1.x < r2.x              ||
 168          r1.y < r2.y              ||
 169          r1.x >= r2.x + r2.width  ||
 170          r1.y >= r2.y + r2.height
 171        )
 172     {
 173         hide_rect( r1 );
 174         return;
 175     }
 176     else
 177     {
 178         if ( r1.x + r1.width  > r2.x + r2.width )
 179
 180             r1.width = r2.x + r2.width - r1.x;
 181
 182         if ( r1.y + r1.height > r2.y + r2.height )
 183
 184             r1.height = r2.y + r2.height - r1.y;
 185     }
 186 }
 187
 188 /***** Implementation for class cbBarSpy *****/
 189
 190 IMPLEMENT_DYNAMIC_CLASS( cbBarSpy, wxEvtHandler )
 191
 192 cbBarSpy::cbBarSpy(void)
 193     : mpLayout(0),
 194       mpBarWnd(0)
 195 {}
 196
 197 cbBarSpy::cbBarSpy( wxFrameLayout* pPanel )
 198
 199     : mpLayout(pPanel),
 200       mpBarWnd(0)
 201 {}
 202
 203 void cbBarSpy::SetBarWindow( wxWindow* pWnd )
 204 {
 205     mpBarWnd = pWnd;
 206 }
 207
 208 bool cbBarSpy::ProcessEvent(wxEvent& event)
 209 {
 210     bool handled = wxEvtHandler::ProcessEvent( event );
 211
 212     int type = event.GetEventType();
 213
 214     if ( !handled && ( type == wxEVT_LEFT_DOWN ||
 215                        type == wxEVT_LEFT_DCLICK ) )
 216     {
 217         wxMouseEvent& mevent = *((wxMouseEvent*)&event);
 218
 219         int x = mevent.m_x;
 220         int y = mevent.m_y;
 221
 222         mpBarWnd->ClientToScreen( &x, &y );
 223         mpLayout->GetParentFrame().ScreenToClient( &x, &y );
 224
 225         mevent.m_x = x;
 226         mevent.m_y = y;
 227
 228         // forwared not-handled event to frame-layout
 229
 230         if ( type == wxEVT_LEFT_DOWN )
 231         {
 232             //mpLayout->OnLButtonDown( mevent );
 233             event.Skip();
 234         }
 235         else
 236             mpLayout->OnLDblClick( mevent );
 237
 238         //event.Skip(false);
 239     }
 240
 241     return handled;
 242 }
 243
 244 /***** Implementation for class wxFrameLayout *****/
 245
 246 IMPLEMENT_DYNAMIC_CLASS( wxFrameLayout, wxEvtHandler )
 247
 248 BEGIN_EVENT_TABLE( wxFrameLayout, wxEvtHandler )
 249
 250     EVT_PAINT      ( wxFrameLayout::OnPaint       )
 251     EVT_SIZE       ( wxFrameLayout::OnSize        )
 252     EVT_LEFT_DOWN  ( wxFrameLayout::OnLButtonDown )
 253     EVT_LEFT_UP    ( wxFrameLayout::OnLButtonUp   )
 254     EVT_RIGHT_DOWN ( wxFrameLayout::OnRButtonDown )
 255     EVT_RIGHT_UP   ( wxFrameLayout::OnRButtonUp   )
 256     EVT_MOTION     ( wxFrameLayout::OnMouseMove   )
 257
 258     EVT_LEFT_DCLICK( wxFrameLayout::OnLDblClick   )
 259
 260     EVT_IDLE       ( wxFrameLayout::OnIdle        )
 261
 262     EVT_ERASE_BACKGROUND( wxFrameLayout::OnEraseBackground )
 263
 264 END_EVENT_TABLE()
 265
 266 // FIXME:: how to eliminate these cut&pasted constructors?
 267
 268 wxFrameLayout::wxFrameLayout(void)
 269
 270     : mpFrame      ( NULL ),
 271       mpFrameClient( NULL ),
 272
 273       mDarkPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
 274       mLightPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT), 1, wxSOLID ),
 275       mGrayPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 276       mBlackPen ( wxColour(  0,  0,  0), 1, wxSOLID ),
 277       mBorderPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 278
 279       mNullPen( wxColour(0,0,0), 1, wxTRANSPARENT ),
 280
 281       mpPaneInFocus( NULL ),
 282       mpLRUPane    ( NULL ),
 283
 284
 285       mpTopPlugin   ( NULL ),
 286       mpCaputesInput( NULL ),
 287
 288       mClientWndRefreshPending( false ),
 289       mRecalcPending( true ),
 290       mCheckFocusWhenIdle( false )
 291 {
 292     CreateCursors();
 293
 294     int i;
 295     for ( i = 0; i != MAX_PANES; ++i )
 296         mPanes[i]  = NULL;
 297
 298     mFloatingOn = CanReparent();
 299 }
 300
 301 wxFrameLayout::wxFrameLayout( wxWindow* pParentFrame, wxWindow* pFrameClient, bool activateNow )
 302
 303     : mpFrame( pParentFrame ),
 304       mpFrameClient(pFrameClient),
 305
 306       mDarkPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxSOLID ),
 307       mLightPen ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DHILIGHT), 1, wxSOLID ),
 308       mGrayPen  ( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 309       mBlackPen ( wxColour(  0,  0,  0), 1, wxSOLID ),
 310       mBorderPen( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE), 1, wxSOLID ),
 311
 312       mNullPen( wxColour(0,0,0), 1, wxTRANSPARENT ),
 313
 314       mpPaneInFocus( NULL ),
 315       mpLRUPane    ( NULL ),
 316
 317       mFloatingOn   ( true ),
 318
 319       mpTopPlugin   ( NULL ),
 320       mpCaputesInput( NULL ),
 321
 322       mClientWndRefreshPending( false ),
 323       mRecalcPending( true ),
 324       mCheckFocusWhenIdle( false ),
 325
 326       mpUpdatesMgr( NULL )
 327 {
 328     CreateCursors();
 329
 330     int i;
 331     for ( i = 0; i != MAX_PANES; ++i )
 332         mPanes[i]  = new cbDockPane( i, this );
 333
 334     if ( activateNow )
 335     {
 336         HookUpToFrame();
 337
 338         // FOR NOW::
 339         // DBG:: set RED color of frame's background for the
 340         //       prurpose of tracking engine bugs "visually"
 341
 342         GetParentFrame().SetBackgroundColour( wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE) );
 343     }
 344
 345     mFloatingOn = CanReparent();
 346 }
 347
 348 // NOTE:: below are the only platform-check "ifdef"s in the docking system!
 349
 350 bool wxFrameLayout::CanReparent()
 351 {
 352 #ifdef __WXMSW__
 353     return true;
 354 #elif defined(__WXGTK20__)
 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(__WXGTK20__)
 393     pChild->Reparent(pNewParent);
 394
 395     return;
 396 #elif defined(__WXGTK__) || defined(__WXX11__)
 397     // FOR NOW:: floating with wxGtk still very buggy
 398
 399     return;
 400
 401     //pChild->ReParent( pNewParent );
 402
 403     //return;
 404 #else
 405     wxMessageBox( "Sorry, docking is not supported for ports other than MSW and wxGTK" );
 406 #endif
 407 }
 408
 409 void wxFrameLayout::DestroyBarWindows()
 410 {
 411     wxObjectList::compatibility_iterator pSpy = mBarSpyList.GetFirst();
 412
 413     while( pSpy )
 414     {
 415         cbBarSpy& spy = *((cbBarSpy*)pSpy->GetData());
 416
 417         if ( spy.mpBarWnd->GetEventHandler() == &spy )
 418
 419             spy.mpBarWnd->PopEventHandler();
 420
 421         delete &spy;
 422
 423         pSpy = pSpy->GetNext();
 424     }
 425
 426     mBarSpyList.Clear();
 427
 428     size_t i;
 429     for ( i = 0; i != mAllBars.Count(); ++i )
 430     {
 431         if ( mAllBars[i]->mpBarWnd )
 432         {
 433             mAllBars[i]->mpBarWnd->Destroy();
 434             mAllBars[i]->mpBarWnd = NULL;
 435         }
 436     }
 437 }
 438
 439 void wxFrameLayout::ShowFloatedWindows( bool show )
 440 {
 441     wxObjectList::compatibility_iterator pNode = mFloatedFrames.GetFirst();
 442
 443     while( pNode )
 444     {
 445         cbFloatedBarWindow* pFFrm = ((cbFloatedBarWindow*)pNode->GetData());
 446
 447         pFFrm->Show( show );
 448
 449         pNode = pNode->GetNext();
 450     }
 451 }
 452
 453 wxFrameLayout::~wxFrameLayout()
 454 {
 455     size_t i;
 456
 457     UnhookFromFrame();
 458
 459     if ( mpUpdatesMgr )
 460         delete mpUpdatesMgr;
 461
 462     PopAllPlugins();
 463
 464     // destoy the chain of plugins from left to right
 465
 466     wxEvtHandler* pCur = mpTopPlugin;
 467
 468     if ( pCur )
 469
 470         while ( pCur->GetPreviousHandler() )
 471
 472             pCur = pCur->GetPreviousHandler();
 473
 474     while ( pCur )
 475     {
 476         wxEvtHandler* pNext = pCur->GetNextHandler();
 477
 478         delete pCur;
 479
 480         pCur = pNext;
 481     }
 482
 483     // destroy contents of arrays and lists
 484
 485     for ( i = 0; i != MAX_PANES; ++i )
 486     {
 487         if ( mPanes[i] )
 488             delete mPanes[i];
 489     }
 490     if ( mpHorizCursor  )
 491         delete mpHorizCursor;
 492     if ( mpVertCursor   )
 493         delete mpVertCursor;
 494     if ( mpNormalCursor )
 495         delete mpNormalCursor;
 496     if ( mpDragCursor   )
 497         delete mpDragCursor;
 498     if ( mpNECursor     )
 499         delete mpNECursor;
 500
 501     wxObjectList::compatibility_iterator pSpy = mBarSpyList.GetFirst();
 502
 503     while( pSpy )
 504     {
 505         cbBarSpy& spy = *((cbBarSpy*)pSpy->GetData());
 506
 507         if ( spy.mpBarWnd->GetEventHandler() == &spy )
 508
 509             spy.mpBarWnd->PopEventHandler();
 510
 511         delete &spy;
 512
 513         pSpy = pSpy->GetNext();
 514     }
 515
 516     for ( i = 0; i != mAllBars.Count(); ++i )
 517         delete mAllBars[i];
 518 }
 519
 520 void wxFrameLayout::EnableFloating( bool enable )
 521 {
 522     mFloatingOn = enable && CanReparent();
 523 }
 524
 525 void wxFrameLayout::Activate()
 526 {
 527     HookUpToFrame();
 528
 529     RefreshNow( true );
 530
 531     ShowFloatedWindows( true );
 532 }
 533
 534 void wxFrameLayout::Deactivate()
 535 {
 536     ShowFloatedWindows( false );
 537
 538     UnhookFromFrame();
 539
 540     HideBarWindows();
 541 }
 542
 543 void wxFrameLayout::SetFrameClient( wxWindow* pFrameClient )
 544 {
 545     mpFrameClient = pFrameClient;
 546 }
 547
 548 wxWindow* wxFrameLayout::GetFrameClient()
 549 {
 550     return mpFrameClient;
 551 }
 552
 553 cbUpdatesManagerBase& wxFrameLayout::GetUpdatesManager()
 554 {
 555     if ( !mpUpdatesMgr )
 556         mpUpdatesMgr = CreateUpdatesManager();
 557
 558     return *mpUpdatesMgr;
 559 }
 560
 561 void wxFrameLayout::SetUpdatesManager( cbUpdatesManagerBase* pUMgr )
 562 {
 563     if ( mpUpdatesMgr )
 564         delete mpUpdatesMgr;
 565
 566     mpUpdatesMgr = pUMgr;
 567
 568     mpUpdatesMgr->SetLayout( this );
 569 }
 570
 571 cbUpdatesManagerBase* wxFrameLayout::CreateUpdatesManager()
 572 {
 573     return new cbGCUpdatesMgr( this );
 574     //return new cbSimpleUpdatesMgr( this );
 575 }
 576
 577 void wxFrameLayout::AddBar( wxWindow*        pBarWnd,
 578                             const cbDimInfo& dimInfo,
 579                             int              alignment,
 580                             int              rowNo,
 581                             int              columnPos,
 582                             const wxString&  name,
 583                             bool             spyEvents,
 584                             int              state
 585                           )
 586 {
 587     if ( pBarWnd && spyEvents )
 588     {
 589         // hook up spy to bar window
 590         cbBarSpy* pSpy = new cbBarSpy( this );
 591
 592         pSpy->SetBarWindow( pBarWnd );
 593         pBarWnd->PushEventHandler( pSpy );
 594
 595         mBarSpyList.Append( pSpy );
 596     }
 597
 598     cbBarInfo* pInfo = new cbBarInfo();
 599
 600     pInfo->mName      = name;
 601     pInfo->mpBarWnd   = pBarWnd;
 602     pInfo->mDimInfo   = dimInfo;
 603     pInfo->mDimInfo.mLRUPane = alignment;
 604     pInfo->mState     = state;
 605     pInfo->mAlignment = alignment;
 606     pInfo->mRowNo     = rowNo;
 607     pInfo->mBounds.x  = columnPos;
 608
 609     mAllBars.Add( pInfo );
 610
 611     DoSetBarState( pInfo );
 612 }
 613
 614 bool wxFrameLayout::RedockBar( cbBarInfo*    pBar,
 615                                const wxRect& shapeInParent,
 616                                cbDockPane*   pToPane,
 617                                bool          updateNow )
 618 {
 619     if ( !pToPane )
 620
 621         pToPane = HitTestPanes( shapeInParent, NULL );
 622
 623     if ( !pToPane )
 624
 625         return false; // bar's shape does not hit any pane
 626                      // - redocking is NOT possible
 627
 628     cbDockPane* pBarPane = GetBarPane( pBar );
 629
 630     if ( updateNow )
 631
 632         GetUpdatesManager().OnStartChanges();
 633
 634     pBarPane->RemoveBar( pBar );
 635
 636     // FIXME FIXME:: the recalculation below may be a *huge* performance
 637     //               hit, it could be eliminated though...
 638     //               but first the "pane-postion-changed" problem
 639     //               has to be fixed
 640
 641     RecalcLayout( false );
 642
 643     pToPane->InsertBar( pBar, shapeInParent );
 644
 645     RecalcLayout( false );
 646
 647     // finish update "transaction"
 648
 649     if ( updateNow )
 650     {
 651         GetUpdatesManager().OnFinishChanges();
 652         GetUpdatesManager().UpdateNow();
 653     }
 654
 655     return true;
 656 }
 657
 658 cbBarInfo* wxFrameLayout::FindBarByName( const wxString& name )
 659 {
 660     size_t i;
 661     for ( i = 0; i != mAllBars.Count(); ++i )
 662         if ( mAllBars[i]->mName == name )
 663             return mAllBars[i];
 664
 665     return NULL;
 666 }
 667
 668 cbBarInfo* wxFrameLayout::FindBarByWindow( const wxWindow* pWnd )
 669 {
 670     size_t i;
 671     for ( i = 0; i != mAllBars.Count(); ++i )
 672         if ( mAllBars[i]->mpBarWnd == pWnd )
 673             return mAllBars[i];
 674
 675     return NULL;
 676 }
 677
 678 BarArrayT& wxFrameLayout::GetBars()
 679 {
 680     return mAllBars;
 681 }
 682
 683 void wxFrameLayout::SetBarState( cbBarInfo* pBar, int newState, bool updateNow )
 684 {
 685     if ( newState == wxCBAR_FLOATING && !(mFloatingOn && pBar->mFloatingOn))
 686
 687         return;
 688
 689     if ( updateNow )
 690
 691         GetUpdatesManager().OnStartChanges();
 692
 693     pBar->mUMgrData.SetDirty(true);
 694
 695     // check bar's previous state
 696
 697     if ( pBar->mState != wxCBAR_HIDDEN && pBar->mState != wxCBAR_FLOATING )
 698     {
 699         cbDockPane* pPane;
 700         cbRowInfo*  pRow;
 701
 702         #ifdef  __WXDEBUG__
 703         bool success =
 704         #endif
 705                        LocateBar( pBar, &pRow, &pPane );
 706
 707         wxASSERT( success ); // DBG::
 708
 709         // save LRU-dim info before removing bar
 710
 711         pBar->mDimInfo.mLRUPane = pPane->GetAlignment();
 712         pBar->mDimInfo.mBounds[ pPane->GetAlignment() ] = pBar->mBounds;
 713
 714         // remove it from the pane it was docked on
 715
 716         pPane->RemoveBar( pBar );
 717
 718     }
 719
 720     if ( pBar->mState == wxCBAR_FLOATING && newState != wxCBAR_FLOATING )
 721     {
 722         // remove bar's window from the containing mini-frame
 723         // and set its parent to be layout's parent frame
 724
 725         if ( pBar->mpBarWnd )
 726         {
 727             pBar->mpBarWnd->Show(false); // to avoid flicker upon reparenting
 728
 729             wxObjectList::compatibility_iterator pNode = mFloatedFrames.GetFirst();
 730
 731             while( pNode )
 732             {
 733                 cbFloatedBarWindow* pFFrm = ((cbFloatedBarWindow*)pNode->GetData());
 734
 735                 if ( pFFrm->GetBar() == pBar )
 736                 {
 737                     pFFrm->Show( false ); // reduces flicker sligthly
 738
 739                     ReparentWindow( pBar->mpBarWnd, &GetParentFrame() );
 740
 741                     pBar->mBounds = pBar->mDimInfo.mBounds[ pBar->mDimInfo.mLRUPane ];
 742
 743                     if ( newState != wxCBAR_HIDDEN )
 744
 745                         pBar->mAlignment = pBar->mDimInfo.mLRUPane;
 746
 747                     mFloatedFrames.Erase( pNode );
 748
 749                     pFFrm->Show( false );
 750                     pFFrm->Destroy(); break;
 751                 }
 752
 753                 pNode = pNode->GetNext();
 754             }
 755
 756             // FOR NOW:: excessive!
 757             //if ( mpFrameClient ) mpFrameClient->Refresh();
 758             if ( mpFrameClient )
 759                 mClientWndRefreshPending = true;
 760         }
 761     }
 762
 763     if ( pBar->mDimInfo.GetDimHandler() )
 764     {
 765         pBar->mDimInfo.GetDimHandler()->OnChangeBarState( pBar, newState );
 766     }
 767
 768     pBar->mState = newState;
 769
 770     DoSetBarState( pBar );
 771
 772     if ( updateNow )
 773     {
 774         RecalcLayout(false);
 775
 776         GetUpdatesManager().OnFinishChanges();
 777         GetUpdatesManager().UpdateNow();
 778     }
 779 }
 780
 781 void wxFrameLayout::InverseVisibility( cbBarInfo* pBar )
 782 {
 783     wxASSERT( pBar ); // DBG::
 784
 785     // "inverse" bar-visibility of the selected bar
 786
 787     int newState;
 788
 789     if ( pBar->mState == wxCBAR_HIDDEN )
 790     {
 791         if ( pBar->mAlignment == -1 )
 792         {
 793             pBar->mAlignment = 0;       // just remove "-1" marking
 794             newState = wxCBAR_FLOATING;
 795         }
 796         else
 797         if ( pBar->mAlignment == FL_ALIGN_TOP ||
 798              pBar->mAlignment == FL_ALIGN_BOTTOM )
 799
 800             newState = wxCBAR_DOCKED_HORIZONTALLY;
 801         else
 802             newState = wxCBAR_DOCKED_VERTICALLY;
 803     }
 804     else
 805     {
 806         newState = wxCBAR_HIDDEN;
 807
 808         if ( pBar->mState == wxCBAR_FLOATING )
 809
 810             pBar->mAlignment = -1;
 811     }
 812
 813     this->SetBarState( pBar, newState, true );
 814
 815     if ( newState == wxCBAR_FLOATING )
 816
 817         this->RepositionFloatedBar( pBar );
 818 }
 819
 820 void wxFrameLayout::ApplyBarProperties( cbBarInfo* pBar )
 821 {
 822     if ( pBar->mState == wxCBAR_FLOATING )
 823     {
 824         RepositionFloatedBar( pBar );
 825     }
 826     else
 827     if ( pBar->mState == wxCBAR_DOCKED_HORIZONTALLY ||
 828          pBar->mState == wxCBAR_DOCKED_VERTICALLY
 829        )
 830     {
 831         // FOR NOW:: nothing
 832     }
 833
 834 }
 835
 836 void wxFrameLayout::RepositionFloatedBar( cbBarInfo* pBar )
 837 {
 838     if ( !(mFloatingOn && pBar->mFloatingOn)) return;
 839
 840     wxObjectList::compatibility_iterator pNode = mFloatedFrames.GetFirst();
 841
 842     while( pNode )
 843     {
 844         cbFloatedBarWindow* pFFrm = ((cbFloatedBarWindow*)pNode->GetData());
 845
 846         if ( pFFrm->GetBar() == pBar )
 847         {
 848             wxRect& bounds = pBar->mDimInfo.mBounds[wxCBAR_FLOATING];
 849
 850             int x = bounds.x,
 851                 y = bounds.y;
 852
 853             GetParentFrame().ClientToScreen( &x, &y );
 854
 855             pFFrm->PositionFloatedWnd( x,y,
 856                                        bounds.width,
 857                                        bounds.height );
 858
 859             break;
 860         }
 861
 862         pNode = pNode->GetNext();
 863     }
 864 }
 865
 866 void wxFrameLayout::DoSetBarState( cbBarInfo* pBar )
 867 {
 868     if ( pBar->mState != wxCBAR_FLOATING &&
 869          pBar->mState != wxCBAR_HIDDEN )
 870
 871         // dock it
 872
 873         mPanes[pBar->mAlignment]->InsertBar( pBar );
 874     else
 875     if ( pBar->mState == wxCBAR_HIDDEN )
 876     {
 877         // hide it
 878
 879         if ( pBar->mpBarWnd )
 880
 881             pBar->mpBarWnd->Show( false );
 882     }
 883     else
 884     {
 885         if ( !(mFloatingOn && pBar->mFloatingOn) )
 886           return;
 887
 888         // float it
 889
 890         if ( pBar->mpBarWnd == NULL || !CanReparent() )
 891         {
 892             // FOR NOW:: just hide it
 893
 894             if ( pBar->mpBarWnd )
 895
 896                 pBar->mpBarWnd->Show( false );
 897
 898             pBar->mState = wxCBAR_HIDDEN;
 899
 900             return;
 901         }
 902
 903         cbFloatedBarWindow* pMiniFrm = new cbFloatedBarWindow();
 904
 905         pMiniFrm->SetBar( pBar );
 906         pMiniFrm->SetLayout( this );
 907
 908         pMiniFrm->Create( &GetParentFrame(), wxID_ANY, pBar->mName,
 909                           wxPoint( 50,50 ),
 910                           wxSize ( 0, 0  ),
 911                           wxFRAME_FLOAT_ON_PARENT |
 912                           wxNO_BORDER |
 913                           wxFRAME_NO_TASKBAR
 914                         );
 915
 916         pMiniFrm->SetClient( pBar->mpBarWnd );
 917
 918         ReparentWindow( pBar->mpBarWnd, pMiniFrm );
 919
 920         mFloatedFrames.Append( pMiniFrm );
 921
 922         wxRect& bounds = pBar->mDimInfo.mBounds[wxCBAR_FLOATING];
 923
 924         // check if it wasn't floated anytime before
 925
 926         if ( bounds.width == -1 )
 927         {
 928             wxRect& clntRect = GetClientRect();
 929
 930             // adjust position into which the next floated bar will be placed
 931
 932             if ( mNextFloatedWndPos.x + bounds.width > clntRect.width )
 933
 934                 mNextFloatedWndPos.x = mFloatingPosStep.x;
 935
 936             if ( mNextFloatedWndPos.y + bounds.height > clntRect.height )
 937
 938                 mNextFloatedWndPos.y = mFloatingPosStep.y;
 939
 940             bounds.x = mNextFloatedWndPos.x + clntRect.x;
 941             bounds.y = mNextFloatedWndPos.y + clntRect.y;
 942
 943             bounds.width  = pBar->mDimInfo.mSizes[wxCBAR_FLOATING].x;
 944             bounds.height = pBar->mDimInfo.mSizes[wxCBAR_FLOATING].y;
 945
 946             mNextFloatedWndPos.x += mFloatingPosStep.x;
 947             mNextFloatedWndPos.y += mFloatingPosStep.y;
 948         }
 949
 950         pMiniFrm->Show( true );
 951         RepositionFloatedBar(pMiniFrm->GetBar());
 952
 953         // FIXME:: this is excessive
 954         pBar->mpBarWnd->Show(true);
 955     }
 956 }
 957
 958 void wxFrameLayout::RemoveBar( cbBarInfo* pBarInfo )
 959 {
 960     // first, try to "guess" what was the perviouse state of the bar
 961
 962     cbDockPane* pPane;
 963     cbRowInfo*  pRow;
 964
 965     if ( LocateBar( pBarInfo, &pRow, &pPane ) )
 966     {
 967         // ...aha, bar was docked into one of the panes,
 968         // remove it from there
 969
 970         pPane->RemoveBar( pBarInfo );
 971     }
 972
 973     size_t i;
 974     for ( i = 0; i != mAllBars.Count(); ++i )
 975     {
 976         if ( mAllBars[i] == pBarInfo )
 977         {
 978 #if wxCHECK_VERSION(2,3,2)
 979             mAllBars.RemoveAt(i);
 980 #else
 981             mAllBars.Remove(i);
 982 #endif
 983             if ( pBarInfo->mpBarWnd ) // hides it's window
 984
 985                 pBarInfo->mpBarWnd->Show( false );
 986
 987             delete pBarInfo;
 988
 989             return;
 990         }
 991     }
 992     wxFAIL_MSG(wxT("bar info should be present in the list of all bars of all panes"));
 993 }
 994
 995 bool wxFrameLayout::LocateBar( cbBarInfo* pBarInfo,
 996                                cbRowInfo**  ppRow,
 997                                cbDockPane** ppPane )
 998 {
 999     (*ppRow)  = NULL;
1000     (*ppPane) = NULL;
1001
1002     int n;
1003     for ( n = 0; n != MAX_PANES; ++n )
1004     {
1005         wxBarIterator i( mPanes[n]->GetRowList() );
1006
1007         while ( i.Next() )
1008
1009             if ( &i.BarInfo() == pBarInfo )
1010             {
1011                 (*ppPane) = mPanes[n];
1012                 (*ppRow ) = &i.RowInfo();
1013
1014                 return true;
1015             }
1016     }
1017
1018     return false;
1019 }
1020
1021 void wxFrameLayout::RecalcLayout( bool repositionBarsNow )
1022 {
1023     mRecalcPending = false;
1024
1025     int frmWidth, frmHeight;
1026     mpFrame->GetClientSize( &frmWidth, &frmHeight );
1027
1028     int curY = 0;
1029     int curX = 0;
1030     wxRect rect;
1031
1032     // pane positioning priorities in decreasing order:
1033     // top, bottom, left, right
1034
1035     // setup TOP pane
1036
1037     cbDockPane* pPane = mPanes[ FL_ALIGN_TOP ];
1038
1039     pPane->SetPaneWidth( frmWidth );
1040     pPane->RecalcLayout();
1041
1042     int paneHeight = pPane->GetPaneHeight();
1043
1044     rect.x      = curX;
1045     rect.y      = curY;
1046     rect.width  = frmWidth;
1047     rect.height = wxMin( paneHeight, frmHeight - curY );
1048
1049     pPane->SetBoundsInParent( rect );
1050
1051     curY += paneHeight;
1052
1053     // setup BOTTOM pane
1054
1055     pPane = mPanes[ FL_ALIGN_BOTTOM ];
1056
1057     pPane->SetPaneWidth( frmWidth );
1058     pPane->RecalcLayout();
1059
1060     paneHeight = pPane->GetPaneHeight();
1061
1062     rect.x      = curX;
1063     rect.y      = wxMax( frmHeight - paneHeight, curY );
1064     rect.width  = frmWidth;
1065     rect.height = frmHeight - rect.y;
1066
1067     pPane->SetBoundsInParent( rect );
1068
1069     // setup LEFT pane
1070
1071     pPane = mPanes[ FL_ALIGN_LEFT ];
1072
1073                          // bottom pane's y
1074     pPane->SetPaneWidth( rect.y - curY );
1075
1076     pPane->RecalcLayout();
1077     paneHeight = pPane->GetPaneHeight();
1078
1079                   // bottom rect's y
1080     rect.height = rect.y - curY;
1081     rect.x = curX;
1082     rect.y = curY;
1083     rect.width  = wxMin( paneHeight, frmWidth );
1084
1085     pPane->SetBoundsInParent( rect );
1086
1087     curX += rect.width;
1088
1089     // setup RIGHT pane
1090
1091     pPane = mPanes[ FL_ALIGN_RIGHT ];
1092
1093                          // left pane's height
1094     pPane->SetPaneWidth( rect.height );
1095
1096     pPane->RecalcLayout();
1097     paneHeight = pPane->GetPaneHeight();
1098
1099                   // left pane's height
1100     rect.height = rect.height;
1101     rect.x = wxMax( frmWidth - paneHeight, curX );
1102     rect.y = curY;
1103     rect.width  = frmWidth - rect.x;
1104
1105     pPane->SetBoundsInParent( rect );
1106
1107     // recalc bounds of the client-window
1108
1109     mClntWndBounds.x = mPanes[FL_ALIGN_LEFT]->mBoundsInParent.x +
1110                        mPanes[FL_ALIGN_LEFT]->mBoundsInParent.width;
1111     mClntWndBounds.y = mPanes[FL_ALIGN_TOP ]->mBoundsInParent.y +
1112                        mPanes[FL_ALIGN_TOP ]->mBoundsInParent.height;
1113
1114     mClntWndBounds.width  = mPanes[FL_ALIGN_RIGHT]->mBoundsInParent.x -
1115                             mClntWndBounds.x;
1116     mClntWndBounds.height = mPanes[FL_ALIGN_BOTTOM]->mBoundsInParent.y -
1117                             mClntWndBounds.y;
1118
1119     if ( repositionBarsNow )
1120
1121         PositionPanes();
1122 }
1123
1124 int wxFrameLayout::GetClientHeight()
1125 {
1126     // for better portablility wxWindow::GetSzie() is not used here
1127
1128     return mClntWndBounds.height;
1129 }
1130
1131 int wxFrameLayout::GetClientWidth()
1132 {
1133     // for better portablility wxWindow::GetSzie() is not used here
1134
1135     return mClntWndBounds.width;
1136 }
1137
1138 void wxFrameLayout::PositionClientWindow()
1139 {
1140     if ( mpFrameClient )
1141     {
1142         if ( mClntWndBounds.width >= 1 && mClntWndBounds.height >= 1 )
1143         {
1144             mpFrameClient->SetSize( mClntWndBounds.x,     mClntWndBounds.y,
1145                                     mClntWndBounds.width, mClntWndBounds.height, 0 );
1146
1147             if ( !mpFrameClient->IsShown() )
1148
1149                 mpFrameClient->Show( true );
1150         }
1151         else
1152             mpFrameClient->Show( false );
1153     }
1154 }
1155
1156 void wxFrameLayout::PositionPanes()
1157 {
1158     PositionClientWindow();
1159
1160     // FOR NOW:: excessive updates!
1161     // reposition bars within all panes
1162
1163     int i;
1164     for ( i = 0; i != MAX_PANES; ++i )
1165         mPanes[i]->SizePaneObjects();
1166 }
1167
1168 void wxFrameLayout::OnSize( wxSizeEvent& event )
1169 {
1170     mpFrame->ProcessEvent( event );
1171     event.Skip( false ); // stop its progpagation
1172
1173     if ( event.GetEventObject() == (wxObject*) mpFrame )
1174     {
1175         GetUpdatesManager().OnStartChanges();
1176         RecalcLayout(true);
1177         GetUpdatesManager().OnFinishChanges();
1178         GetUpdatesManager().UpdateNow();
1179     }
1180
1181 }
1182
1183 /*** protected members ***/
1184
1185 void wxFrameLayout::HideBarWindows()
1186 {
1187     size_t i;
1188     for ( i = 0; i != mAllBars.Count(); ++i )
1189         if ( mAllBars[i]->mpBarWnd && mAllBars[i]->mState != wxCBAR_FLOATING )
1190             mAllBars[i]->mpBarWnd->Show( false );
1191
1192     // then floated frames
1193
1194     ShowFloatedWindows( false );
1195
1196     if ( mpFrameClient )
1197
1198         mpFrameClient->Show( false );
1199 }
1200
1201 void wxFrameLayout::UnhookFromFrame()
1202 {
1203     // NOTE:: the SetEvtHandlerEnabled() method is not used
1204     //        here, since it is assumed that unhooking layout
1205     //        from window may result destroying of the layout itself
1206     //
1207     //        BUG BUG BUG (wx):: this would not be a problem if
1208     //                           wxEvtHandler's destructor checked if
1209     //                           this handler is currently the top-most
1210     //                           handler of some window, and additionally
1211     //                           to the reconnecting itself from the chain.
1212     //                           It would also re-setup current event handler
1213     //                           of the window using wxWindow::SetEventHandler()
1214
1215     // FOR NOW::
1216
1217     if ( mpFrame->GetEventHandler() == this )
1218     {
1219         mpFrame->PopEventHandler();
1220         return;
1221     }
1222
1223     if ( mpFrame )
1224     {
1225         if ( this == mpFrame->GetEventHandler() )
1226         {
1227             mpFrame->SetEventHandler( this->GetNextHandler() );
1228         }
1229         else
1230         {
1231             wxEvtHandler* pCur = mpFrame->GetEventHandler();
1232
1233             while ( pCur )
1234             {
1235                 if ( pCur == this )
1236                     break;
1237
1238                 pCur = pCur->GetNextHandler();
1239             }
1240
1241             // do not try to unhook ourselves if we're not hooked yet
1242             if ( !pCur )
1243                 return;
1244         }
1245
1246         if ( GetPreviousHandler() )
1247             GetPreviousHandler()->SetNextHandler( GetNextHandler() );
1248         else
1249         {
1250             mpFrame->PopEventHandler();
1251             return;
1252         }
1253
1254         if ( GetNextHandler() )
1255             GetNextHandler()->SetPreviousHandler( GetPreviousHandler() );
1256
1257         SetNextHandler( NULL );
1258         SetPreviousHandler( NULL );
1259     }
1260 }
1261
1262 void wxFrameLayout::HookUpToFrame()
1263 {
1264     // unhook us first, we're already hooked up
1265
1266     UnhookFromFrame();
1267
1268     // put ourselves on top
1269
1270     mpFrame->PushEventHandler( this );
1271 }
1272
1273 cbDockPane* wxFrameLayout::GetBarPane( cbBarInfo* pBar )
1274 {
1275     int i;
1276     for ( i = 0; i != MAX_PANES; ++i )
1277         if ( mPanes[i]->BarPresent( pBar ) )
1278             return mPanes[i];
1279
1280     return NULL;
1281 }
1282
1283 void wxFrameLayout::CreateCursors()
1284 {
1285     /*
1286     // FIXME:: The below code somehow doesn't work - cursors remain unchanged
1287     char bits[64];
1288
1289     set_cursor_bits( _gHorizCursorImg, bits, 32, 16 );
1290
1291     mpHorizCursor = new wxCursor( bits, 32, 16 );
1292
1293     set_cursor_bits( _gVertCursorImg, bits, 32, 16 );
1294
1295     mpVertCursor  = new wxCursor( bits, 32, 16 );
1296     */
1297
1298     // FOR NOW:: use standard ones
1299
1300     mpHorizCursor  = new wxCursor(wxCURSOR_SIZEWE);
1301     mpVertCursor   = new wxCursor(wxCURSOR_SIZENS);
1302     mpNormalCursor = new wxCursor(wxCURSOR_ARROW );
1303     mpDragCursor   = new wxCursor(wxCURSOR_CROSS );
1304     mpNECursor     = new wxCursor(wxCURSOR_NO_ENTRY);
1305
1306     mFloatingPosStep.x = 25;
1307     mFloatingPosStep.y = 25;
1308
1309     mNextFloatedWndPos.x = mFloatingPosStep.x;
1310     mNextFloatedWndPos.y = mFloatingPosStep.y;
1311 }
1312
1313 bool wxFrameLayout::HitTestPane( cbDockPane* pPane, int x, int y )
1314 {
1315     return rect_contains_point( pPane->GetRealRect(), x, y );
1316 }
1317
1318 cbDockPane* wxFrameLayout::HitTestPanes( const wxRect& rect,
1319                                          cbDockPane* pCurPane )
1320 {
1321     // first, give the privilege to the current pane
1322
1323     if ( pCurPane && rect_hits_rect( pCurPane->GetRealRect(), rect ) )
1324
1325         return pCurPane;
1326
1327     int i;
1328     for ( i = 0; i != MAX_PANES; ++i )
1329     {
1330         if ( pCurPane != mPanes[i] &&
1331              rect_hits_rect( mPanes[i]->GetRealRect(), rect ) )
1332         {
1333             return mPanes[i];
1334         }
1335     }
1336     return 0;
1337 }
1338
1339 void wxFrameLayout::ForwardMouseEvent( wxMouseEvent& event,
1340                                            cbDockPane*   pToPane,
1341                                            int           eventType )
1342 {
1343     wxPoint pos( event.m_x, event.m_y );
1344     pToPane->FrameToPane( &pos.x, &pos.y );
1345
1346     if ( eventType == cbEVT_PL_LEFT_DOWN )
1347     {
1348         cbLeftDownEvent evt( pos, pToPane );
1349         FirePluginEvent( evt );
1350     }
1351     else if ( eventType == cbEVT_PL_LEFT_DCLICK )
1352     {
1353         cbLeftDClickEvent evt( pos, pToPane );
1354         FirePluginEvent( evt );
1355     }
1356     else if ( eventType == cbEVT_PL_LEFT_UP )
1357     {
1358         cbLeftUpEvent evt( pos, pToPane );
1359         FirePluginEvent( evt );
1360     }
1361     else if ( eventType == cbEVT_PL_RIGHT_DOWN )
1362     {
1363         cbRightDownEvent evt( pos, pToPane );
1364         FirePluginEvent( evt );
1365     }
1366     else if ( eventType == cbEVT_PL_RIGHT_UP )
1367     {
1368         cbRightUpEvent evt( pos, pToPane );
1369         FirePluginEvent( evt );
1370     }
1371     else if ( eventType == cbEVT_PL_MOTION )
1372     {
1373         cbMotionEvent evt( pos, pToPane );
1374         FirePluginEvent( evt );
1375     }
1376 }  // wxFrameLayout::ForwardMouseEvent()
1377
1378
1379 void wxFrameLayout::RouteMouseEvent( wxMouseEvent& event, int pluginEvtType )
1380 {
1381     if ( mpPaneInFocus )
1382
1383         ForwardMouseEvent( event, mpPaneInFocus, pluginEvtType );
1384     else
1385     {
1386         int i;
1387         for ( i = 0; i != MAX_PANES; ++i )
1388         {
1389             if ( HitTestPane( mPanes[i], event.m_x, event.m_y ) )
1390             {
1391                 ForwardMouseEvent( event, mPanes[i], pluginEvtType );
1392                 return;
1393             }
1394         }
1395     }
1396 }
1397
1398 /*** event handlers ***/
1399
1400 void wxFrameLayout::OnRButtonDown( wxMouseEvent& event )
1401 {
1402     RouteMouseEvent( event, cbEVT_PL_RIGHT_DOWN );
1403 }
1404
1405 void wxFrameLayout::OnRButtonUp( wxMouseEvent& event )
1406 {
1407     RouteMouseEvent( event, cbEVT_PL_RIGHT_UP );
1408 }
1409
1410 void wxFrameLayout::OnLButtonDown( wxMouseEvent& event )
1411 {
1412     RouteMouseEvent( event, cbEVT_PL_LEFT_DOWN );
1413 }
1414
1415 void wxFrameLayout::OnLDblClick( wxMouseEvent& event )
1416 {
1417     RouteMouseEvent( event, cbEVT_PL_LEFT_DCLICK );
1418 }
1419
1420 void wxFrameLayout::OnLButtonUp( wxMouseEvent& event )
1421 {
1422     RouteMouseEvent( event, cbEVT_PL_LEFT_UP );
1423 }
1424
1425 void wxFrameLayout::OnMouseMove( wxMouseEvent& event )
1426 {
1427     if ( mpPaneInFocus )
1428
1429         ForwardMouseEvent( event, mpPaneInFocus, cbEVT_PL_MOTION );
1430     else
1431     {
1432         int i;
1433         for ( i = 0; i != MAX_PANES; ++i )
1434         {
1435             if ( HitTestPane( mPanes[i], event.m_x, event.m_y ) )
1436             {
1437                 if ( mpLRUPane && mpLRUPane != mPanes[i] )
1438                 {
1439                     // simulate "mouse-leave" event
1440                     ForwardMouseEvent( event, mpLRUPane, cbEVT_PL_MOTION );
1441                 }
1442
1443                 ForwardMouseEvent( event, mPanes[i], cbEVT_PL_MOTION );
1444
1445                 mpLRUPane = mPanes[i];
1446
1447                 return;
1448             }
1449         }
1450     }
1451
1452     if ( mpLRUPane )
1453     {
1454         // simulate "mouse-leave" event
1455         ForwardMouseEvent( event, mpLRUPane, cbEVT_PL_MOTION );
1456         mpLRUPane = 0;
1457     }
1458 }
1459
1460 void wxFrameLayout::OnPaint( wxPaintEvent& event )
1461 {
1462     if ( mRecalcPending  )
1463         RecalcLayout( true );
1464
1465     wxPaintDC dc(mpFrame);
1466
1467     int i;
1468     for ( i = 0; i != MAX_PANES; ++i )
1469     {
1470         wxRect& rect = mPanes[i]->mBoundsInParent;
1471
1472         dc.SetClippingRegion( rect.x, rect.y, rect.width, rect.height );
1473
1474         mPanes[i]->PaintPane(dc);
1475
1476         dc.DestroyClippingRegion();
1477     }
1478
1479     event.Skip();
1480 }
1481
1482 void wxFrameLayout::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
1483 {
1484     // do nothing
1485 }
1486
1487 void wxFrameLayout::OnIdle( wxIdleEvent& event )
1488 {
1489     wxWindow* focus = wxWindow::FindFocus();
1490
1491     if ( !focus && mCheckFocusWhenIdle )
1492     {
1493         wxMessageBox(wxT("Hi, no more focus in this app!"));
1494
1495         mCheckFocusWhenIdle = false;
1496         //ShowFloatedWindows( false );
1497     }
1498
1499     mCheckFocusWhenIdle = false;
1500
1501     event.Skip();
1502 }
1503
1504 void wxFrameLayout::GetPaneProperties( cbCommonPaneProperties& props, int alignment )
1505 {
1506     props = mPanes[alignment]->mProps;
1507 }
1508
1509 void wxFrameLayout::SetPaneProperties( const cbCommonPaneProperties& props, int paneMask )
1510 {
1511     int i;
1512     for ( i = 0; i != MAX_PANES; ++i )
1513     {
1514         if ( mPanes[i]->MatchesMask( paneMask ) )
1515             mPanes[i]->mProps = props;
1516     }
1517 }
1518
1519 void wxFrameLayout::SetMargins( int top, int bottom, int left, int right,
1520                                 int paneMask )
1521 {
1522     int i;
1523     for ( i = 0; i != MAX_PANES; ++i )
1524     {
1525         cbDockPane& pane = *mPanes[i];
1526
1527         if ( pane.MatchesMask( paneMask ) )
1528         {
1529             pane.mTopMargin = top;
1530             pane.mBottomMargin = bottom;
1531             pane.mLeftMargin = left;
1532             pane.mRightMargin = right;
1533         }
1534     }
1535 }
1536
1537 void wxFrameLayout::SetPaneBackground( const wxColour& colour )
1538 {
1539     mBorderPen.SetColour( colour );
1540 }
1541
1542 void wxFrameLayout::RefreshNow( bool recalcLayout )
1543 {
1544     if ( recalcLayout )
1545         RecalcLayout( true );
1546
1547     if ( mpFrame )
1548         mpFrame->Refresh();
1549 }
1550
1551 /*** plugin-related methods ***/
1552
1553 void wxFrameLayout::FirePluginEvent( cbPluginEvent& event )
1554 {
1555     // check state of input capture, before processing the event
1556
1557     if ( mpCaputesInput )
1558     {
1559         bool isInputEvt = true;
1560 #if wxCHECK_VERSION(2,3,0)
1561         if ( event.GetEventType() != cbEVT_PL_LEFT_DOWN &&
1562              event.GetEventType() != cbEVT_PL_LEFT_UP &&
1563              event.GetEventType() != cbEVT_PL_RIGHT_DOWN &&
1564              event.GetEventType() != cbEVT_PL_RIGHT_UP &&
1565              event.GetEventType() != cbEVT_PL_MOTION )
1566             isInputEvt = false;
1567 #else
1568         switch ( event.m_eventType )
1569         {
1570             case cbEVT_PL_LEFT_DOWN  : break;
1571             case cbEVT_PL_LEFT_UP    : break;
1572             case cbEVT_PL_RIGHT_DOWN : break;
1573             case cbEVT_PL_RIGHT_UP   : break;
1574             case cbEVT_PL_MOTION     : break;
1575
1576             default : isInputEvt = false; break;
1577         }
1578 #endif  // #if wxCHECK_VERSION(2,3,0)
1579
1580         if ( isInputEvt )
1581         {
1582             mpCaputesInput->ProcessEvent( event );
1583             return;
1584         }
1585     }
1586
1587     GetTopPlugin().ProcessEvent( event );
1588 }
1589
1590 void wxFrameLayout::CaptureEventsForPlugin ( cbPluginBase* pPlugin )
1591 {
1592     // cannot capture events for more than one plugin at a time
1593     wxASSERT( mpCaputesInput == NULL );
1594
1595     mpCaputesInput = pPlugin;
1596
1597 }
1598
1599 void wxFrameLayout::ReleaseEventsFromPlugin( cbPluginBase* WXUNUSED(pPlugin) )
1600 {
1601     // events should be captured first
1602     wxASSERT( mpCaputesInput != NULL );
1603
1604     mpCaputesInput = NULL;
1605 }
1606
1607 void wxFrameLayout::CaptureEventsForPane( cbDockPane* toPane )
1608 {
1609     // cannot capture events twice (without releasing)
1610     wxASSERT( mpPaneInFocus == NULL );
1611
1612     mpFrame->CaptureMouse();
1613
1614     mpPaneInFocus = toPane;
1615 }
1616
1617 void wxFrameLayout::ReleaseEventsFromPane( cbDockPane* WXUNUSED(fromPane) )
1618 {
1619     // cannot release events without capturing them
1620     wxASSERT( mpPaneInFocus != NULL );
1621
1622     mpFrame->ReleaseMouse();
1623
1624     mpPaneInFocus = NULL;
1625 }
1626
1627 cbPluginBase& wxFrameLayout::GetTopPlugin()
1628 {
1629     if ( !mpTopPlugin )
1630
1631         PushDefaultPlugins(); // automatic configuration
1632
1633     return *mpTopPlugin;
1634 }
1635
1636 void wxFrameLayout::SetTopPlugin( cbPluginBase* pPlugin )
1637 {
1638     mpTopPlugin = pPlugin;
1639 }
1640
1641 bool wxFrameLayout::HasTopPlugin()
1642 {
1643     return ( mpTopPlugin != NULL );
1644 }
1645
1646 void wxFrameLayout::PushPlugin( cbPluginBase* pPlugin )
1647 {
1648     if ( !mpTopPlugin )
1649
1650         mpTopPlugin = pPlugin;
1651     else
1652     {
1653         pPlugin->SetNextHandler( mpTopPlugin );
1654
1655         mpTopPlugin->SetPreviousHandler( pPlugin );
1656
1657         mpTopPlugin = pPlugin;
1658     }
1659
1660     mpTopPlugin->OnInitPlugin(); // notification
1661 }
1662
1663 void wxFrameLayout::PopPlugin()
1664 {
1665     wxASSERT( mpTopPlugin ); // DBG:: at least one plugin should be present
1666
1667     cbPluginBase* pPopped = mpTopPlugin;
1668
1669     mpTopPlugin = (cbPluginBase*)mpTopPlugin->GetNextHandler();
1670
1671     delete pPopped;
1672 }
1673
1674 void wxFrameLayout::PopAllPlugins()
1675 {
1676     while( mpTopPlugin ) PopPlugin();
1677 }
1678
1679 void wxFrameLayout::PushDefaultPlugins()
1680 {
1681     // FIXME:: to much of the stuff for the default...
1682
1683     AddPlugin( CLASSINFO( cbRowLayoutPlugin       ) );
1684     AddPlugin( CLASSINFO( cbBarDragPlugin         ) );
1685     AddPlugin( CLASSINFO( cbPaneDrawPlugin ) );
1686 }
1687
1688 void wxFrameLayout::AddPlugin( wxClassInfo* pPlInfo, int paneMask )
1689 {
1690     if ( FindPlugin ( pPlInfo ) ) return; // same type of plugin cannot be added twice
1691
1692     cbPluginBase* pObj = (cbPluginBase*)pPlInfo->CreateObject();
1693
1694     wxASSERT(pObj); // DBG:: plugin's class should be dynamic
1695
1696     pObj->mPaneMask = paneMask;
1697     pObj->mpLayout  = this;
1698
1699     PushPlugin( pObj );
1700 }
1701
1702 void wxFrameLayout::AddPluginBefore( wxClassInfo* pNextPlInfo, wxClassInfo* pPlInfo,
1703                                        int paneMask )
1704 {
1705     wxASSERT( pNextPlInfo != pPlInfo ); // DBG:: no sense
1706
1707     cbPluginBase* pNextPl = FindPlugin( pNextPlInfo );
1708
1709     if ( !pNextPl )
1710     {
1711         AddPlugin( pPlInfo, paneMask );
1712
1713         return;
1714     }
1715
1716     // remove existing one if present
1717
1718     cbPluginBase* pExistingPl = FindPlugin( pPlInfo );
1719
1720     if ( pExistingPl ) RemovePlugin( pPlInfo );
1721
1722     // create an instance
1723
1724     cbPluginBase* pNewPl = (cbPluginBase*)pPlInfo->CreateObject();
1725
1726     wxASSERT(pNewPl); // DBG:: plugin's class should be dynamic
1727
1728     // insert it to the chain
1729
1730     if ( pNextPl->GetPreviousHandler() )
1731
1732         pNextPl->GetPreviousHandler()->SetNextHandler( pNewPl );
1733     else
1734         mpTopPlugin = pNewPl;
1735
1736     pNewPl->SetNextHandler( pNextPl );
1737
1738     pNewPl->SetPreviousHandler( pNextPl->GetPreviousHandler() );
1739
1740     pNextPl->SetPreviousHandler( pNewPl );
1741
1742     // set it up
1743
1744     pNewPl->mPaneMask = paneMask;
1745     pNewPl->mpLayout  = this;
1746
1747     pNewPl->OnInitPlugin();
1748 }
1749
1750 void wxFrameLayout::RemovePlugin( wxClassInfo* pPlInfo )
1751 {
1752     cbPluginBase* pPlugin = FindPlugin( pPlInfo );
1753
1754     if ( !pPlugin ) return; // it's OK to remove not-existing plugin ;-)
1755
1756     if ( pPlugin->GetPreviousHandler() == NULL )
1757
1758         mpTopPlugin = (cbPluginBase*)pPlugin->GetNextHandler();
1759
1760     delete pPlugin;
1761 }
1762
1763 cbPluginBase* wxFrameLayout::FindPlugin( wxClassInfo* pPlInfo )
1764 {
1765     cbPluginBase *pCur = mpTopPlugin;
1766
1767     while( pCur )
1768     {
1769         // NOTE:: it might appear useful matching plugin
1770         //        classes "polymorphically":
1771
1772         if ( pCur->GetClassInfo()->IsKindOf( pPlInfo ) )
1773
1774             return pCur;
1775
1776         pCur = (cbPluginBase*)pCur->GetNextHandler();
1777     }
1778
1779     return NULL;
1780 }
1781
1782 /***** Implementation for class cbUpdateMgrData *****/
1783
1784 IMPLEMENT_DYNAMIC_CLASS( cbUpdateMgrData, wxObject )
1785
1786 cbUpdateMgrData::cbUpdateMgrData()
1787
1788     : mPrevBounds( -1,-1,0,0 ),
1789       mIsDirty( true ),           // inidicate initial change
1790       mpCustomData(0)
1791 {}
1792
1793 void cbUpdateMgrData::StoreItemState( const wxRect& boundsInParent )
1794 {
1795     mPrevBounds = boundsInParent;
1796 }
1797
1798 void cbUpdateMgrData::SetDirty( bool isDirty )
1799 {
1800     mIsDirty = isDirty;
1801 }
1802
1803 void cbUpdateMgrData::SetCustomData( wxObject* pCustomData )
1804 {
1805     mpCustomData = pCustomData;
1806 }
1807
1808 /***** Implementation for class cbDockPane *****/
1809
1810 void wxBarIterator::Reset()
1811 {
1812     mpRow = ( mpRows->Count() ) ? (*mpRows)[0] : NULL;
1813     mpBar = NULL;
1814 }
1815
1816 wxBarIterator::wxBarIterator( RowArrayT& rows )
1817
1818     : mpRows( &rows ),
1819       mpRow ( NULL  ),
1820       mpBar ( NULL  )
1821 {
1822     Reset();
1823 }
1824
1825 bool wxBarIterator::Next()
1826 {
1827     if ( mpRow )
1828     {
1829         if ( mpBar )
1830             mpBar = mpBar->mpNext;
1831         else
1832         {
1833             if ( mpRow->mBars.GetCount() == 0 )
1834             {
1835                 return false;
1836             }
1837
1838             mpBar = mpRow->mBars[0];
1839         }
1840
1841         if ( !mpBar )
1842         {
1843             // skip to the next row
1844
1845             mpRow = mpRow->mpNext;
1846
1847             if ( mpRow )
1848
1849                 mpBar = mpRow->mBars[0];
1850             else
1851                 return false;
1852         }
1853
1854         return true;
1855     }
1856     else
1857         return false;
1858 }
1859
1860 cbBarInfo& wxBarIterator::BarInfo()
1861 {
1862     return *mpBar;
1863 }
1864
1865 cbRowInfo& wxBarIterator::RowInfo()
1866 {
1867     return *mpRow;
1868 }
1869
1870 /***** Implementation for class cbBarDimHandlerBase *****/
1871
1872 IMPLEMENT_ABSTRACT_CLASS( cbBarDimHandlerBase, wxObject )
1873
1874 cbBarDimHandlerBase::cbBarDimHandlerBase()
1875     : mRefCount(0)
1876 {}
1877
1878 void cbBarDimHandlerBase::AddRef()
1879 {
1880     ++mRefCount;
1881 }
1882
1883 void cbBarDimHandlerBase::RemoveRef()
1884 {
1885     if ( --mRefCount <= 0 ) delete this;
1886 }
1887
1888 /***** Implementation for class cbDimInfo *****/
1889
1890 IMPLEMENT_DYNAMIC_CLASS( cbDimInfo, wxObject )
1891
1892 cbDimInfo::cbDimInfo()
1893
1894     : mVertGap ( 0 ),
1895       mHorizGap( 0 ),
1896
1897       mIsFixed(true),
1898       mpHandler( NULL )
1899 {
1900     size_t i;
1901     for ( i = 0; i != MAX_BAR_STATES; ++i )
1902     {
1903         mSizes[i].x = 20;
1904         mSizes[i].y = 20;
1905
1906         mBounds[i] = wxRect( -1,-1,-1,-1 );
1907     }
1908 }
1909
1910 cbDimInfo::cbDimInfo( cbBarDimHandlerBase* pDimHandler,
1911                       bool                 isFixed  )
1912
1913     : mVertGap ( 0 ),
1914       mHorizGap( 0 ),
1915       mIsFixed ( isFixed  ),
1916
1917       mpHandler( pDimHandler )
1918 {
1919     if ( mpHandler )
1920     {
1921         // int vtad = *((int*)mpHandler);
1922         mpHandler->AddRef();
1923     }
1924
1925     size_t i;
1926     for ( i = 0; i != MAX_BAR_STATES; ++i )
1927     {
1928         mSizes[i].x = -1;
1929         mSizes[i].y = -1;
1930
1931         mBounds[i] = wxRect( -1,-1,-1,-1 );
1932     }
1933 }
1934
1935 cbDimInfo::cbDimInfo( int dh_x, int dh_y,
1936                       int dv_x, int dv_y,
1937                       int f_x,  int f_y,
1938
1939                       bool isFixed,
1940                       int horizGap,
1941                       int vertGap,
1942
1943                       cbBarDimHandlerBase* pDimHandler
1944                     )
1945     : mVertGap  ( vertGap   ),
1946       mHorizGap ( horizGap  ),
1947       mIsFixed  ( isFixed   ),
1948       mpHandler( pDimHandler )
1949 {
1950     if ( mpHandler )
1951     {
1952         // int vtad = *((int*)mpHandler);
1953         mpHandler->AddRef();
1954     }
1955
1956     mSizes[wxCBAR_DOCKED_HORIZONTALLY].x = dh_x;
1957     mSizes[wxCBAR_DOCKED_HORIZONTALLY].y = dh_y;
1958     mSizes[wxCBAR_DOCKED_VERTICALLY  ].x = dv_x;
1959     mSizes[wxCBAR_DOCKED_VERTICALLY  ].y = dv_y;
1960     mSizes[wxCBAR_FLOATING           ].x = f_x;
1961     mSizes[wxCBAR_FLOATING           ].y = f_y;
1962
1963     size_t i;
1964     for ( i = 0; i != MAX_BAR_STATES; ++i )
1965         mBounds[i] = wxRect( -1,-1,-1,-1 );
1966 }
1967
1968 cbDimInfo::cbDimInfo( int x, int y,
1969                       bool isFixed, int gap,
1970                       cbBarDimHandlerBase* pDimHandler)
1971   : mVertGap  ( gap ),
1972     mHorizGap ( gap ),
1973     mIsFixed  ( isFixed ),
1974     mpHandler( pDimHandler )
1975 {
1976     if ( mpHandler )
1977     {
1978         // int vtad = *((int*)mpHandler);
1979         mpHandler->AddRef();
1980     }
1981
1982     mSizes[wxCBAR_DOCKED_HORIZONTALLY].x = x;
1983     mSizes[wxCBAR_DOCKED_HORIZONTALLY].y = y;
1984     mSizes[wxCBAR_DOCKED_VERTICALLY  ].x = x;
1985     mSizes[wxCBAR_DOCKED_VERTICALLY  ].y = y;
1986     mSizes[wxCBAR_FLOATING           ].x = x;
1987     mSizes[wxCBAR_FLOATING           ].y = y;
1988
1989     size_t i;
1990     for ( i = 0; i != MAX_BAR_STATES; ++i )
1991         mBounds[i] = wxRect( -1,-1,-1,-1 );
1992 }
1993
1994 cbDimInfo::~cbDimInfo()
1995 {
1996     if ( mpHandler )
1997
1998         mpHandler->RemoveRef();
1999 }
2000
2001 const cbDimInfo& cbDimInfo::operator=( const cbDimInfo& other )
2002 {
2003     if ( this == &other )
2004         return *this;
2005
2006     int i;
2007     for ( i = 0; i != MAX_BAR_STATES; ++i )
2008         mSizes[i] = other.mSizes[i];
2009
2010     mIsFixed  = other.mIsFixed;
2011     mpHandler = other.mpHandler;
2012
2013     mVertGap  = other.mVertGap;
2014     mHorizGap = other.mHorizGap;
2015
2016     if ( mpHandler )
2017
2018         mpHandler->AddRef();
2019
2020     return *this;
2021 }
2022
2023 /***** Implementation for structure cbCommonPaneProperties *****/
2024
2025 IMPLEMENT_DYNAMIC_CLASS( cbCommonPaneProperties, wxObject )
2026
2027 cbCommonPaneProperties::cbCommonPaneProperties(void)
2028
2029     : mRealTimeUpdatesOn    ( true  ),
2030       mOutOfPaneDragOn      ( true  ),
2031       mExactDockPredictionOn( false ),
2032       mNonDestructFrictionOn( false ),
2033       mShow3DPaneBorderOn   ( true  ),
2034       mBarFloatingOn        ( false ),
2035       mRowProportionsOn     ( false ),
2036       mColProportionsOn     ( true  ),
2037       mBarCollapseIconsOn   ( false ),
2038       mBarDragHintsOn       ( false ),
2039
2040       mMinCBarDim( 16, 16 ),
2041       mResizeHandleSize( 4 )
2042 {}
2043
2044 cbCommonPaneProperties::cbCommonPaneProperties(const cbCommonPaneProperties& props)
2045
2046     : wxObject(),
2047       mRealTimeUpdatesOn    (props.mRealTimeUpdatesOn),
2048       mOutOfPaneDragOn      (props.mOutOfPaneDragOn),
2049       mExactDockPredictionOn(props.mExactDockPredictionOn),
2050       mNonDestructFrictionOn(props.mNonDestructFrictionOn),
2051       mShow3DPaneBorderOn   (props.mShow3DPaneBorderOn),
2052       mBarFloatingOn        (props.mBarFloatingOn),
2053       mRowProportionsOn     (props.mRowProportionsOn),
2054       mColProportionsOn     (props.mColProportionsOn),
2055       mBarCollapseIconsOn   (props.mBarCollapseIconsOn),
2056       mBarDragHintsOn       (props.mBarDragHintsOn),
2057
2058       mMinCBarDim(props.mMinCBarDim),
2059       mResizeHandleSize(props.mResizeHandleSize)
2060 {}
2061
2062 cbCommonPaneProperties& cbCommonPaneProperties::operator=(const cbCommonPaneProperties& props)
2063 {
2064     mRealTimeUpdatesOn     = props.mRealTimeUpdatesOn;
2065     mOutOfPaneDragOn       = props.mOutOfPaneDragOn;
2066     mExactDockPredictionOn = props.mExactDockPredictionOn;
2067     mNonDestructFrictionOn = props.mNonDestructFrictionOn;
2068     mShow3DPaneBorderOn    = props.mShow3DPaneBorderOn;
2069     mBarFloatingOn         = props.mBarFloatingOn;
2070     mRowProportionsOn      = props.mRowProportionsOn;
2071     mColProportionsOn      = props.mColProportionsOn;
2072     mBarCollapseIconsOn    = props.mBarCollapseIconsOn;
2073     mBarDragHintsOn        = props.mBarDragHintsOn;
2074
2075     mMinCBarDim            = props.mMinCBarDim;
2076     mResizeHandleSize      = props.mResizeHandleSize;
2077
2078     return *this;
2079 }
2080
2081 /***** Implementation for class cbRowInfo *****/
2082
2083 IMPLEMENT_DYNAMIC_CLASS( cbRowInfo, wxObject )
2084
2085 cbRowInfo::cbRowInfo(void)
2086
2087     : mNotFixedBarsCnt( false ),
2088       mpNext          ( NULL ),
2089       mpPrev          ( NULL ),
2090       mpExpandedBar   ( NULL )
2091 {}
2092
2093 cbRowInfo::~cbRowInfo()
2094 {
2095     // nothing! all bars are removed using global bar
2096     // list in wxFrameLayout class
2097 }
2098
2099 /***** Implementation for class cbBarInfo *****/
2100
2101 IMPLEMENT_DYNAMIC_CLASS( cbBarInfo, wxObject )
2102
2103 cbBarInfo::cbBarInfo(void)
2104
2105     : mpRow( NULL ),
2106       mFloatingOn( true ),
2107       mpNext( NULL ),
2108       mpPrev( NULL )
2109 {}
2110
2111 cbBarInfo::~cbBarInfo()
2112 {
2113     // nothing
2114 }
2115
2116 /***** Implementation for class cbDockPane *****/
2117
2118 IMPLEMENT_DYNAMIC_CLASS( cbDockPane, wxObject )
2119
2120 // FIXME:: how to eliminate these cut&pasted constructors?
2121
2122 cbDockPane::cbDockPane(void)
2123     : mLeftMargin  ( 1 ),
2124       mRightMargin ( 1 ),
2125       mTopMargin   ( 1 ),
2126       mBottomMargin( 1 ),
2127       mPaneWidth ( 32768     ), // fake-up very large pane dims,
2128                                 // since the real dimensions of the pane may not
2129                                 // be known, while inserting bars initially
2130       mPaneHeight( 32768     ),
2131       mAlignment ( -1   ),
2132       mpLayout   ( 0 ),
2133       mpStoredRow( NULL )
2134 {}
2135
2136 cbDockPane::cbDockPane( int alignment, wxFrameLayout* pPanel )
2137
2138     :  mLeftMargin  ( 1 ),
2139       mRightMargin ( 1 ),
2140       mTopMargin   ( 1 ),
2141       mBottomMargin( 1 ),
2142       mPaneWidth ( 32768     ), // fake-up very large pane dims,
2143                                 // since the real dimensions of the pane may not
2144                                 // be known, while inserting bars initially
2145       mPaneHeight( 32768     ),
2146       mAlignment ( alignment ),
2147       mpLayout   ( pPanel    ),
2148       mpStoredRow( NULL )
2149 {}
2150
2151 cbDockPane::~cbDockPane()
2152 {
2153     size_t i;
2154     for ( i = 0; i != mRows.Count(); ++i )
2155         delete mRows[i];
2156
2157     WX_CLEAR_LIST(wxList,mRowShapeData)
2158
2159     // NOTE:: control bar infromation structures are cleaned-up
2160     //        in wxFrameLayout's destructor, using global control-bar list
2161 }
2162
2163 void cbDockPane::SetMargins( int top, int bottom, int left, int right )
2164 {
2165     mTopMargin    = top;
2166     mBottomMargin = bottom;
2167     mLeftMargin   = left;
2168     mRightMargin  = right;
2169 }
2170
2171 /*** helpers of cbDockPane ***/
2172
2173 void cbDockPane::PaintBarDecorations( cbBarInfo* pBar, wxDC& dc )
2174 {
2175     cbDrawBarDecorEvent evt( pBar, dc, this );
2176
2177     mpLayout->FirePluginEvent( evt );
2178 }
2179
2180 void cbDockPane::PaintBarHandles( cbBarInfo* pBar, wxDC& dc )
2181 {
2182     cbDrawBarHandlesEvent evt( pBar, dc, this );
2183
2184     mpLayout->FirePluginEvent( evt );
2185 }
2186
2187 void cbDockPane::PaintBar( cbBarInfo* pBar, wxDC& dc )
2188 {
2189     PaintBarDecorations( pBar, dc );
2190     PaintBarHandles( pBar, dc );
2191 }
2192
2193 void cbDockPane::PaintRowHandles( cbRowInfo* pRow, wxDC& dc )
2194 {
2195     cbDrawRowHandlesEvent evt( pRow, dc, this );
2196
2197     mpLayout->FirePluginEvent( evt );
2198
2199     cbDrawRowDecorEvent evt1( pRow, dc, this );
2200
2201     mpLayout->FirePluginEvent( evt1 );
2202 }
2203
2204 void cbDockPane::PaintRowBackground ( cbRowInfo* pRow, wxDC& dc )
2205 {
2206     cbDrawRowBkGroundEvent evt( pRow, dc, this );
2207
2208     mpLayout->FirePluginEvent( evt );
2209 }
2210
2211 void cbDockPane::PaintRowDecorations( cbRowInfo* pRow, wxDC& dc )
2212 {
2213     size_t i;
2214
2215     // decorations first
2216     for ( i = 0; i != pRow->mBars.Count(); ++i )
2217
2218         PaintBarDecorations( pRow->mBars[i], dc );
2219
2220     // then handles if present
2221     for ( i = 0; i != pRow->mBars.Count(); ++i )
2222
2223         PaintBarHandles( pRow->mBars[i], dc );
2224 }
2225
2226 void cbDockPane::PaintRow( cbRowInfo* pRow, wxDC& dc )
2227 {
2228     PaintRowBackground ( pRow, dc );
2229     PaintRowDecorations( pRow, dc );
2230     PaintRowHandles    ( pRow, dc );
2231 }
2232
2233 void cbDockPane::PaintPaneBackground( wxDC& dc )
2234 {
2235     cbDrawPaneBkGroundEvent evt( dc, this );
2236
2237     mpLayout->FirePluginEvent( evt );
2238 }
2239
2240 void cbDockPane::PaintPaneDecorations( wxDC& dc )
2241 {
2242     cbDrawPaneDecorEvent evt( dc, this );
2243
2244     mpLayout->FirePluginEvent( evt );
2245 }
2246
2247 void cbDockPane::PaintPane( wxDC& dc )
2248 {
2249     size_t i;
2250
2251     PaintPaneBackground( dc );
2252
2253     // first decorations
2254     for ( i = 0; i != mRows.Count(); ++i )
2255     {
2256         PaintRowBackground( mRows[i], dc );
2257         PaintRowDecorations( mRows[i], dc );
2258     }
2259
2260     // than handles
2261     for ( i = 0; i != mRows.Count(); ++i )
2262         PaintRowHandles( mRows[i], dc );
2263
2264     // and finally
2265     PaintPaneDecorations( dc );
2266 }
2267
2268 void cbDockPane::SizeBar( cbBarInfo* pBar )
2269 {
2270     cbSizeBarWndEvent evt( pBar, this );
2271
2272     mpLayout->FirePluginEvent( evt );
2273     return;
2274 }
2275
2276 void cbDockPane::SizeRowObjects( cbRowInfo* pRow )
2277 {
2278     size_t i;
2279     for ( i = 0; i != pRow->mBars.Count(); ++i )
2280         SizeBar( pRow->mBars[i] );
2281 }
2282
2283 void cbDockPane::SizePaneObjects()
2284 {
2285     size_t i;
2286     for ( i = 0; i != mRows.Count(); ++i )
2287         SizeRowObjects( mRows[i] );
2288 }
2289
2290 wxDC* cbDockPane::StartDrawInArea( const wxRect& area )
2291 {
2292     wxDC* pDc = 0;
2293
2294     cbStartDrawInAreaEvent evt( area, &pDc, this );
2295
2296     mpLayout->FirePluginEvent( evt );
2297
2298     return pDc;
2299 }
2300
2301 void cbDockPane::FinishDrawInArea( const wxRect& area )
2302 {
2303     cbFinishDrawInAreaEvent evt( area, this );
2304
2305     mpLayout->FirePluginEvent( evt );
2306 }
2307
2308 bool cbDockPane::IsFixedSize( cbBarInfo* pInfo )
2309 {
2310     return ( pInfo->mDimInfo.mIsFixed );
2311 }
2312
2313 int cbDockPane::GetNotFixedBarsCount( cbRowInfo* pRow )
2314 {
2315     int cnt = 0;
2316
2317     size_t i;
2318     for ( i = 0; i != pRow->mBars.Count(); ++i )
2319     {
2320         if ( !pRow->mBars[i]->IsFixed() )
2321             ++cnt;
2322     }
2323
2324     return cnt;
2325 }
2326
2327 void cbDockPane::RemoveBar( cbBarInfo* pBar )
2328 {
2329     bool needsRestoring = mProps.mNonDestructFrictionOn &&
2330                           mpStoredRow == pBar->mpRow;
2331
2332     cbRemoveBarEvent evt( pBar, this );
2333
2334     mpLayout->FirePluginEvent( evt );
2335
2336     if ( needsRestoring )
2337     {
2338         SetRowShapeData( mpStoredRow, &mRowShapeData );
2339
2340         mpStoredRow = NULL;
2341     }
2342 }
2343
2344 void cbDockPane::SyncRowFlags( cbRowInfo* pRow )
2345 {
2346     // setup mHasOnlyFixedBars flag for the row information
2347     pRow->mHasOnlyFixedBars = true;
2348
2349     pRow->mNotFixedBarsCnt = 0;
2350
2351     size_t i;
2352     for ( i = 0; i != pRow->mBars.Count(); ++i )
2353     {
2354         cbBarInfo& bar = *pRow->mBars[i];
2355
2356         bar.mpRow = pRow;
2357
2358         if ( !bar.IsFixed() )
2359         {
2360             pRow->mHasOnlyFixedBars = false;
2361             ++pRow->mNotFixedBarsCnt;
2362         }
2363     }
2364 }
2365
2366 void cbDockPane::FrameToPane( int* x, int* y )
2367 {
2368     *x -= mLeftMargin;
2369     *y -= mTopMargin;
2370
2371     if ( mAlignment == FL_ALIGN_TOP ||
2372          mAlignment == FL_ALIGN_BOTTOM
2373        )
2374     {
2375         *x -= mBoundsInParent.x;
2376         *y -= mBoundsInParent.y;
2377     }
2378     else
2379     {
2380         int rx = *x, ry = *y;
2381
2382         *x = ry - mBoundsInParent.y;
2383
2384         *y = rx - mBoundsInParent.x;
2385     }
2386 }
2387
2388 void cbDockPane::PaneToFrame( int* x, int* y )
2389 {
2390     if ( mAlignment == FL_ALIGN_TOP ||
2391          mAlignment == FL_ALIGN_BOTTOM
2392        )
2393     {
2394         *x += mBoundsInParent.x;
2395         *y += mBoundsInParent.y;
2396     }
2397     else
2398     {
2399         int rx = *x, ry = *y;
2400
2401         *x = ry + mBoundsInParent.x;
2402
2403         *y = mBoundsInParent.y + rx;
2404     }
2405
2406     *x += mLeftMargin;
2407     *y += mTopMargin;
2408 }
2409
2410 void cbDockPane::FrameToPane( wxRect* pRect )
2411 {
2412     wxPoint upperLeft ( pRect->x, pRect->y );
2413     wxPoint lowerRight( pRect->x + pRect->width,
2414                         pRect->y + pRect->height );
2415
2416     FrameToPane( &upperLeft.x,  &upperLeft.y  );
2417     FrameToPane( &lowerRight.x, &lowerRight.y );
2418
2419     pRect->x = wxMin(upperLeft.x,lowerRight.x);
2420     pRect->y = wxMin(upperLeft.y,lowerRight.y);
2421
2422     pRect->width  = abs( lowerRight.x - upperLeft.x );
2423     pRect->height = abs( lowerRight.y - upperLeft.y );
2424 }
2425
2426 void cbDockPane::PaneToFrame( wxRect* pRect )
2427 {
2428     wxPoint upperLeft ( pRect->x, pRect->y );
2429     wxPoint lowerRight( pRect->x + pRect->width,
2430                         pRect->y + pRect->height );
2431
2432     PaneToFrame( &upperLeft.x,  &upperLeft.y  );
2433     PaneToFrame( &lowerRight.x, &lowerRight.y );
2434
2435     //wxRect newRect = wxRect( upperLeft, lowerRight );
2436
2437     pRect->x = wxMin(upperLeft.x,lowerRight.x);
2438     pRect->y = wxMin(upperLeft.y,lowerRight.y);
2439
2440     pRect->width  = abs( lowerRight.x - upperLeft.x );
2441     pRect->height = abs( lowerRight.y - upperLeft.y );
2442 }
2443
2444 int cbDockPane::GetRowAt( int paneY )
2445 {
2446     if ( paneY < 0 )
2447         return -1;
2448
2449     int curY = 0;
2450
2451     size_t i = 0;
2452
2453     for ( ; i != mRows.Count(); ++i )
2454     {
2455         int rowHeight = mRows[i]->mRowHeight;
2456
2457         int third = rowHeight/3;
2458
2459         if ( paneY >= curY && paneY < curY + third )
2460             return i-1;
2461
2462         if ( paneY >= curY + third && paneY < curY + rowHeight - third )
2463             return i;
2464
2465         curY += rowHeight;
2466     }
2467
2468     return i;
2469 }
2470
2471 int cbDockPane::GetRowAt( int upperY, int lowerY )
2472 {
2473     /*
2474     // OLD STUFF::
2475     int range    = lowerY - upperY;
2476     int oneThird = range / 3;
2477
2478     wxNode* pRow = mRows.GetFirst();
2479     int row = 0;
2480     int curY = 0;
2481
2482     if ( lowerY <= 0 ) return -1;
2483
2484     while( pRow )
2485     {
2486         int rowHeight = GetRowHeight( (wxList*)pRow->GetData() );
2487
2488         if ( upperY >= curY &&
2489              lowerY < curY ) return row;
2490
2491         if ( upperY <= curY &&
2492              lowerY >= curY &&
2493              curY - upperY >= oneThird ) return row-1;
2494
2495         if ( ( upperY <  curY + rowHeight &&
2496                lowerY >= curY + rowHeight &&
2497                curY + rowHeight - lowerY >= oneThird )
2498            )
2499             return row+1;
2500
2501         if ( lowerY <= curY + rowHeight ) return row;
2502
2503         ++row;
2504         curY += rowHeight;
2505         pRow = pRow->GetNext();
2506     }
2507     */
2508
2509     int mid = upperY + (lowerY - upperY)/2;
2510
2511     if ( mid < 0 )
2512         return -1;
2513
2514     int curY = 0;
2515     size_t i = 0;
2516
2517     for ( ; i != mRows.Count(); ++i )
2518     {
2519         int rowHeight = mRows[i]->mRowHeight;
2520
2521         if ( mid >= curY && mid < curY + rowHeight ) return i;
2522
2523         curY += rowHeight;
2524     }
2525
2526     return i;
2527 }
2528
2529 int cbDockPane::GetRowY( cbRowInfo* pRow )
2530 {
2531     int curY = 0;
2532
2533     size_t i;
2534     for ( i = 0; i != mRows.Count(); ++i )
2535     {
2536         if ( mRows[i] == pRow )
2537             break;
2538
2539         curY += mRows[i]->mRowHeight;
2540     }
2541
2542     return curY;
2543 }
2544
2545 bool cbDockPane::HasNotFixedRowsAbove( cbRowInfo* pRow )
2546 {
2547     while ( pRow->mpPrev )
2548     {
2549         pRow = pRow->mpPrev;
2550
2551         if ( pRow->mHasOnlyFixedBars )
2552
2553             return true;
2554     }
2555
2556     return false;
2557 }
2558
2559 bool cbDockPane::HasNotFixedRowsBelow( cbRowInfo* pRow )
2560 {
2561     while( pRow->mpNext )
2562     {
2563         pRow = pRow->mpNext;
2564
2565         if ( pRow->mHasOnlyFixedBars )
2566
2567             return true;
2568     }
2569
2570     return false;
2571 }
2572
2573 bool cbDockPane::HasNotFixedBarsLeft( cbBarInfo* pBar )
2574 {
2575     while( pBar->mpPrev )
2576     {
2577         pBar = pBar->mpPrev;
2578
2579         if ( pBar->IsFixed() )
2580
2581             return true;
2582     }
2583
2584     return false;
2585 }
2586
2587 bool cbDockPane::HasNotFixedBarsRight( cbBarInfo* pBar )
2588 {
2589     while( pBar->mpNext )
2590     {
2591         pBar = pBar->mpNext;
2592
2593         if ( pBar->IsFixed() )
2594
2595             return true;
2596     }
2597
2598     return false;
2599 }
2600
2601 void cbDockPane::CalcLengthRatios( cbRowInfo* pInRow )
2602 {
2603     size_t i;
2604
2605     int totalWidth = 0;
2606
2607     // calc current-maximal-total-length of all maximized bars
2608
2609     for ( i = 0; i != pInRow->mBars.GetCount(); ++i )
2610     {
2611         cbBarInfo& bar = *pInRow->mBars[i];
2612
2613         if ( !bar.IsFixed() )
2614             totalWidth += bar.mBounds.width;
2615     }
2616
2617     // set up percentages of occupied space for each maximized bar
2618
2619     for ( i = 0; i != pInRow->mBars.Count(); ++i )
2620     {
2621         cbBarInfo& bar = *pInRow->mBars[i];
2622
2623         if ( !bar.IsFixed() )
2624             bar.mLenRatio = double(bar.mBounds.width)/double(totalWidth);
2625     }
2626 }
2627
2628 void cbDockPane::RecalcRowLayout( cbRowInfo* pRow )
2629 {
2630     cbLayoutRowEvent evt( pRow, this );
2631
2632     mpLayout->FirePluginEvent( evt );
2633 }
2634
2635 void cbDockPane::ExpandBar( cbBarInfo* pBar )
2636 {
2637     mpLayout->GetUpdatesManager().OnStartChanges();
2638
2639     if ( !pBar->mpRow->mpExpandedBar )
2640     {
2641         // save ratios only when there arent any bars expanded yet
2642
2643         cbArrayFloat& ratios = pBar->mpRow->mSavedRatios;
2644
2645         ratios.Clear();
2646         ratios.Alloc( pBar->mpRow->mNotFixedBarsCnt );
2647
2648         cbBarInfo* pCur = pBar->mpRow->mBars[0];
2649
2650         while( pCur )
2651         {
2652             if ( !pCur->IsFixed() )
2653             {
2654                 ratios.Add( 0.0 );
2655                 ratios[ ratios.GetCount() - 1 ] = pCur->mLenRatio;
2656             }
2657
2658             pCur = pCur->mpNext;
2659         }
2660     }
2661
2662     cbBarInfo* pCur = pBar->mpRow->mBars[0];
2663
2664     while( pCur )
2665     {
2666         pCur->mLenRatio = 0.0; // minimize the rest
2667
2668         pCur = pCur->mpNext;
2669     }
2670
2671     pBar->mLenRatio     = 1.0; // 100%
2672     pBar->mBounds.width = 0;
2673
2674     pBar->mpRow->mpExpandedBar = pBar;
2675
2676     mpLayout->RecalcLayout( false );
2677
2678     mpLayout->GetUpdatesManager().OnFinishChanges();
2679     mpLayout->GetUpdatesManager().UpdateNow();
2680 }
2681
2682 void cbDockPane::ContractBar( cbBarInfo* pBar )
2683 {
2684     mpLayout->GetUpdatesManager().OnStartChanges();
2685
2686     // FIXME: What's the purpose of this???
2687     // double ratio = 1.0/ double( pBar->mpRow->mNotFixedBarsCnt );
2688
2689     // restore ratios which were present before expansion
2690
2691     cbBarInfo* pCur = pBar->mpRow->mBars[0];
2692
2693     cbArrayFloat& ratios = pBar->mpRow->mSavedRatios;
2694
2695     size_t i = 0;
2696
2697     while( pCur )
2698     {
2699         if ( !pCur->IsFixed() )
2700         {
2701             pCur->mLenRatio = ratios[i];
2702             ++i;
2703         }
2704
2705         pCur = pCur->mpNext;
2706     }
2707
2708     ratios.Clear();
2709     ratios.Shrink();
2710
2711     pBar->mpRow->mpExpandedBar = NULL;
2712
2713     mpLayout->RecalcLayout( false );
2714
2715     mpLayout->GetUpdatesManager().OnFinishChanges();
2716     mpLayout->GetUpdatesManager().UpdateNow();
2717 }
2718
2719 void cbDockPane::InitLinksForRow( cbRowInfo* pRow )
2720 {
2721     size_t i;
2722     for ( i = 0; i != pRow->mBars.Count(); ++i )
2723     {
2724         cbBarInfo& bar = *pRow->mBars[i];
2725
2726         if ( i == 0 )
2727             bar.mpPrev = NULL;
2728         else
2729             bar.mpPrev = pRow->mBars[i-1];
2730
2731         if ( i == pRow->mBars.Count() - 1 )
2732             bar.mpNext = NULL;
2733         else
2734             bar.mpNext = pRow->mBars[i+1];
2735     }
2736 }
2737
2738 void cbDockPane::InitLinksForRows()
2739 {
2740     size_t i;
2741     for ( i = 0; i != mRows.Count(); ++i )
2742     {
2743         cbRowInfo& row = *mRows[i];
2744
2745         if ( i == 0 )
2746             row.mpPrev = NULL;
2747         else
2748             row.mpPrev = mRows[i-1];
2749
2750         if ( i == mRows.Count() - 1 )
2751             row.mpNext = NULL;
2752         else
2753             row.mpNext = mRows[i+1];
2754     }
2755 }
2756
2757 void cbDockPane::DoInsertBar( cbBarInfo* pBar, int rowNo )
2758 {
2759     cbRowInfo* pRow;
2760
2761     if ( rowNo == -1 || rowNo >= (int)mRows.Count() )
2762     {
2763         pRow = new cbRowInfo();
2764
2765         if ( rowNo == -1 && mRows.Count() )
2766
2767             mRows.Insert( pRow, 0 );
2768         else
2769             mRows.Add( pRow );
2770
2771         InitLinksForRows();
2772     }
2773     else
2774     {
2775         pRow = mRows[rowNo];
2776
2777         if ( mProps.mNonDestructFrictionOn == true )
2778         {
2779             // store original shape of the row (before the bar is inserted)
2780
2781             mpStoredRow = pRow;
2782
2783             GetRowShapeData( mpStoredRow, &mRowShapeData );
2784         }
2785     }
2786
2787     if ( pRow->mBars.Count() )
2788
2789         pRow->mpExpandedBar = NULL;
2790
2791     cbInsertBarEvent insEvt( pBar, pRow, this );
2792
2793     mpLayout->FirePluginEvent( insEvt );
2794
2795     mpLayout->GetUpdatesManager().OnRowWillChange( pRow, this );
2796 }
2797
2798 void cbDockPane::InsertBar( cbBarInfo* pBarInfo, const wxRect& atRect )
2799 {
2800     wxRect rect = atRect;
2801     FrameToPane( &rect );
2802
2803     pBarInfo->mBounds.x      = rect.x;
2804     pBarInfo->mBounds.width  = rect.width;
2805     pBarInfo->mBounds.height = rect.height;
2806
2807     int row = GetRowAt( rect.y, rect.y + rect.height );
2808
2809     DoInsertBar( pBarInfo, row );
2810 }
2811
2812 void cbDockPane::InsertBar( cbBarInfo* pBar, cbRowInfo* pIntoRow )
2813 {
2814     cbInsertBarEvent insEvt( pBar, pIntoRow, this );
2815
2816     mpLayout->FirePluginEvent( insEvt );
2817
2818     mpLayout->GetUpdatesManager().OnRowWillChange( pIntoRow, this );
2819 }
2820
2821 void cbDockPane::InsertBar( cbBarInfo* pBarInfo )
2822 {
2823     // set transient properties
2824
2825     pBarInfo->mpRow           = NULL;
2826     pBarInfo->mHasLeftHandle  = false;
2827     pBarInfo->mHasRightHandle = false;
2828     pBarInfo->mLenRatio       = 0.0;
2829
2830     // set preferred bar dimensions, according to the state in which
2831     // the bar is being inserted
2832
2833     pBarInfo->mBounds.width   = pBarInfo->mDimInfo.mSizes[ pBarInfo->mState ].x;
2834     pBarInfo->mBounds.height  = pBarInfo->mDimInfo.mSizes[ pBarInfo->mState ].y;
2835
2836     DoInsertBar( pBarInfo, pBarInfo->mRowNo );
2837 }
2838
2839 void cbDockPane::RemoveRow( cbRowInfo* pRow )
2840 {
2841     size_t i;
2842     // first, hide all bar-windows in the removed row
2843     for ( i = 0; i != pRow->mBars.Count(); ++i )
2844     {
2845         if ( pRow->mBars[i]->mpBarWnd )
2846             pRow->mBars[i]->mpBarWnd->Show( false );
2847     }
2848
2849     mRows.Remove( pRow );
2850
2851     pRow->mUMgrData.SetDirty(true);
2852 }
2853
2854 void cbDockPane::InsertRow( cbRowInfo* pRow, cbRowInfo* pBeforeRow )
2855 {
2856     if ( !pBeforeRow )
2857
2858         mRows.Add( pRow );
2859     else
2860         mRows.Insert( pRow, mRows.Index( pBeforeRow ) );
2861
2862     InitLinksForRows();
2863
2864     pRow->mUMgrData.SetDirty(true);
2865
2866     size_t i;
2867     for ( i = 0; i != pRow->mBars.Count(); ++i )
2868         pRow->mBars[i]->mUMgrData.SetDirty( true );
2869
2870     SyncRowFlags( pRow );
2871 }
2872
2873 void cbDockPane::SetPaneWidth(int width)
2874 {
2875     if ( IsHorizontal() )
2876         mPaneWidth = width - mLeftMargin - mRightMargin;
2877     else
2878         mPaneWidth = width - mTopMargin - mBottomMargin;
2879 }
2880
2881
2882 void cbDockPane::SetBoundsInParent( const wxRect& rect )
2883 {
2884     mBoundsInParent = rect;
2885
2886     // set pane dimensions in local coordinates
2887
2888     if ( IsHorizontal() )
2889     {
2890         mPaneWidth  = mBoundsInParent.width  - ( mRightMargin + mLeftMargin   );
2891         mPaneHeight = mBoundsInParent.height - ( mTopMargin   + mBottomMargin );
2892     }
2893     else
2894     {
2895         mPaneWidth  = mBoundsInParent.height - ( mTopMargin   + mBottomMargin );
2896         mPaneHeight = mBoundsInParent.width  - ( mRightMargin + mLeftMargin   );
2897     }
2898
2899     // convert bounding rectangles of all pane items into parent frame's coordinates
2900
2901     wxBarIterator i( mRows );
2902
2903     wxRect noMarginsRect = mBoundsInParent;
2904
2905     noMarginsRect.x      += mLeftMargin;
2906     noMarginsRect.y      += mTopMargin;
2907     noMarginsRect.width  -= ( mLeftMargin + mRightMargin  );
2908     noMarginsRect.height -= ( mTopMargin  + mBottomMargin );
2909
2910     // hide the whole pane, if it's bounds became reverted (i.e. pane vanished)
2911
2912     if ( mBoundsInParent.width < 0 ||
2913          mBoundsInParent.height < 0 )
2914
2915          hide_rect( mBoundsInParent );
2916
2917     if ( noMarginsRect.width < 0 ||
2918          noMarginsRect.height < 0 )
2919
2920         hide_rect( noMarginsRect   );
2921
2922     // calculate mBoundsInParent for each item in the pane
2923
2924     while( i.Next() )
2925     {
2926         cbBarInfo& bar = i.BarInfo();
2927
2928         cbRowInfo* pRowInfo = bar.mpRow;
2929
2930         // set up row info, if this is first bar in the row
2931
2932         if ( pRowInfo && bar.mpPrev == NULL )
2933         {
2934             pRowInfo->mBoundsInParent.y      = pRowInfo->mRowY;
2935             pRowInfo->mBoundsInParent.x      = 0;
2936             pRowInfo->mBoundsInParent.width  = mPaneWidth;
2937             pRowInfo->mBoundsInParent.height = pRowInfo->mRowHeight;
2938
2939             PaneToFrame( &pRowInfo->mBoundsInParent );
2940
2941             clip_rect_against_rect( pRowInfo->mBoundsInParent, noMarginsRect );
2942         }
2943
2944         wxRect bounds = bar.mBounds;
2945
2946         // exclude dimensions of handles, when calculating
2947         // bar's bounds in parent (i.e. "visual bounds")
2948
2949         if ( bar.mHasLeftHandle )
2950         {
2951             bounds.x     += mProps.mResizeHandleSize;
2952             bounds.width -= mProps.mResizeHandleSize;
2953         }
2954
2955         if ( bar.mHasRightHandle )
2956
2957             bounds.width -= mProps.mResizeHandleSize;
2958
2959         PaneToFrame( &bounds );
2960
2961         clip_rect_against_rect( bounds, noMarginsRect );
2962
2963         bar.mBoundsInParent = bounds;
2964     }
2965 }
2966
2967 bool cbDockPane::BarPresent( cbBarInfo* pBar )
2968 {
2969     wxBarIterator iter( mRows );
2970
2971     while( iter.Next() )
2972
2973         if ( &iter.BarInfo() == pBar ) return true;
2974
2975     return false;
2976 }
2977
2978 cbRowInfo* cbDockPane::GetRow( int row )
2979 {
2980     if ( row >= (int)mRows.Count() ) return NULL;
2981
2982     return mRows[ row ];
2983 }
2984
2985 int cbDockPane::GetRowIndex( cbRowInfo* pRow )
2986 {
2987     size_t i;
2988     for ( i = 0; i != mRows.Count(); ++i )
2989     {
2990         if ( mRows[i] == pRow )
2991             return i;
2992     }
2993
2994     wxFAIL_MSG(wxT("Row must be present to call cbDockPane::GetRowIndex()"));
2995
2996     return 0;
2997 }
2998
2999 int cbDockPane::GetPaneHeight()
3000 {
3001     // first, recalculate row heights and the Y-positions
3002
3003     cbLayoutRowsEvent evt( this );
3004     mpLayout->FirePluginEvent( evt );
3005
3006     int height = 0;
3007
3008     if ( IsHorizontal() )
3009
3010         height += mTopMargin  + mBottomMargin;
3011     else
3012         height += mLeftMargin + mRightMargin;
3013
3014     int count = mRows.Count();
3015
3016     if ( count )
3017
3018         height += mRows[count-1]->mRowY + mRows[count-1]->mRowHeight;
3019
3020     return height;
3021 }
3022
3023 int cbDockPane::GetAlignment()
3024 {
3025     return mAlignment;
3026 }
3027
3028 bool cbDockPane::MatchesMask( int paneMask )
3029 {
3030     int thisMask = 0;
3031
3032     // FIXME:: use array instead of switch()
3033
3034     switch (mAlignment)
3035     {
3036         case FL_ALIGN_TOP    : thisMask = FL_ALIGN_TOP_PANE;   break;
3037         case FL_ALIGN_BOTTOM : thisMask = FL_ALIGN_BOTTOM_PANE;break;
3038         case FL_ALIGN_LEFT   : thisMask = FL_ALIGN_LEFT_PANE;  break;
3039         case FL_ALIGN_RIGHT  : thisMask = FL_ALIGN_RIGHT_PANE; break;
3040
3041         default:
3042             wxFAIL_MSG(wxT("Bad FL alignment type detected in cbDockPane::MatchesMask()"));
3043     }
3044
3045     return ( thisMask & paneMask ) != 0;
3046 }
3047
3048 void cbDockPane::RecalcLayout()
3049 {
3050     // first, reposition rows and items vertically
3051
3052     cbLayoutRowsEvent evt( this );
3053     mpLayout->FirePluginEvent( evt );
3054
3055     // then horizontally in each row
3056
3057     size_t i;
3058     for ( i = 0; i != mRows.Count(); ++i )
3059         RecalcRowLayout( mRows[i] );
3060 }
3061
3062 int cbDockPane::GetDockingState()
3063 {
3064     if ( mAlignment == FL_ALIGN_TOP ||
3065          mAlignment == FL_ALIGN_BOTTOM )
3066     {
3067         return wxCBAR_DOCKED_HORIZONTALLY;
3068     }
3069     else
3070         return wxCBAR_DOCKED_VERTICALLY;
3071 }
3072
3073 inline bool cbDockPane::HasPoint( const wxPoint& pos, int x, int y,
3074                                   int width, int height )
3075 {
3076     return ( pos.x >= x &&
3077              pos.y >= y &&
3078              pos.x < x + width &&
3079              pos.y < y + height   );
3080 }
3081
3082 int cbDockPane::HitTestPaneItems( const wxPoint& pos,
3083                                   cbRowInfo**    ppRow,
3084                                   cbBarInfo**    ppBar
3085                                 )
3086 {
3087     (*ppRow) = NULL;
3088     (*ppBar) = NULL;
3089
3090     size_t i;
3091     for ( i = 0; i != mRows.Count(); ++i )
3092     {
3093         cbRowInfo& row = *mRows[i];
3094
3095         *ppRow = &row;
3096
3097         // hit-test handles of the row, if present
3098
3099         if ( row.mHasUpperHandle )
3100         {
3101             if ( HasPoint( pos, 0, row.mRowY,
3102                            row.mRowWidth, mProps.mResizeHandleSize ) )
3103
3104                 return CB_UPPER_ROW_HANDLE_HITTED;
3105         }
3106         else
3107         if ( row.mHasLowerHandle )
3108         {
3109             if ( HasPoint( pos, 0, row.mRowY + row.mRowHeight - mProps.mResizeHandleSize,
3110                            row.mRowWidth, mProps.mResizeHandleSize ) )
3111
3112                     return CB_LOWER_ROW_HANDLE_HITTED;
3113         }
3114
3115         // hit-test bar handles and bar content
3116
3117         size_t k;
3118         for ( k = 0; k != row.mBars.Count(); ++k )
3119         {
3120             cbBarInfo& bar    = *row.mBars[k];
3121             wxRect&    bounds = bar.mBounds;
3122
3123             *ppBar = &bar;
3124
3125             if ( bar.mHasLeftHandle )
3126             {
3127                 if ( HasPoint( pos, bounds.x, bounds.y,
3128                                mProps.mResizeHandleSize, bounds.height ) )
3129
3130                     return CB_LEFT_BAR_HANDLE_HITTED;
3131             }
3132             else
3133             if ( bar.mHasRightHandle )
3134             {
3135                 if ( HasPoint( pos, bounds.x + bounds.width - mProps.mResizeHandleSize, bounds.y,
3136                                mProps.mResizeHandleSize, bounds.height ) )
3137
3138                     return CB_RIGHT_BAR_HANDLE_HITTED;
3139             }
3140
3141             if ( HasPoint( pos, bounds.x, bounds.y, bounds.width, bounds.height ) )
3142                 return CB_BAR_CONTENT_HITTED;
3143
3144         } // hit-test next bar
3145
3146     } // next row
3147
3148     return CB_NO_ITEMS_HITTED;
3149 }
3150
3151 void cbDockPane::GetBarResizeRange( cbBarInfo* pBar, int* from, int *till,
3152                                     bool forLeftHandle )
3153 {
3154     cbBarInfo* pGivenBar = pBar;
3155
3156     int notFree = 0;
3157
3158     // calc unavailable space from the left
3159
3160     while( pBar->mpPrev )
3161     {
3162         pBar = pBar->mpPrev;
3163
3164         if ( !pBar->IsFixed() ) notFree += mProps.mMinCBarDim.x;
3165                                 else notFree += pBar->mBounds.width;
3166     }
3167
3168     *from = notFree;
3169
3170     pBar = pGivenBar;
3171
3172     notFree = 0;
3173
3174     // calc unavailable space from the right
3175
3176     while( pBar->mpNext )
3177     {
3178         pBar = pBar->mpNext;
3179
3180         if ( pBar->mBounds.x >= mPaneWidth ) break;
3181
3182         // treat not-fixed bars as minimized
3183
3184         if ( !pBar->IsFixed() )
3185
3186             notFree += mProps.mMinCBarDim.x;
3187         else
3188         {
3189             if ( pBar->mBounds.x + pBar->mBounds.width >= mPaneWidth )
3190             {
3191                 notFree += mPaneWidth - pBar->mBounds.x;
3192                 break;
3193             }
3194             else
3195                 notFree += pBar->mBounds.width;
3196         }
3197
3198     }
3199
3200     *till = mPaneWidth - notFree;
3201
3202     // do not let resizing totally deform the bar itself
3203
3204     if ( forLeftHandle )
3205
3206         (*till) -= mProps.mMinCBarDim.x;
3207     else
3208
3209         (*from) += mProps.mMinCBarDim.x;
3210 }
3211
3212 int cbDockPane::GetMinimalRowHeight( cbRowInfo* pRow )
3213 {
3214     int height = mProps.mMinCBarDim.y;
3215
3216     size_t i;
3217     for ( i = 0; i != pRow->mBars.Count(); ++i )
3218     {
3219         if ( pRow->mBars[i]->IsFixed() )
3220             height = wxMax( height, pRow->mBars[i]->mBounds.height );
3221     }
3222
3223     if ( pRow->mHasUpperHandle )
3224         height += mProps.mResizeHandleSize;
3225
3226     if ( pRow->mHasLowerHandle )
3227         height += mProps.mResizeHandleSize;
3228
3229     return height;
3230 }
3231
3232 void cbDockPane::SetRowHeight( cbRowInfo* pRow, int newHeight )
3233 {
3234     if ( pRow->mHasUpperHandle )
3235
3236         newHeight -= mProps.mResizeHandleSize;
3237
3238     if ( pRow->mHasLowerHandle )
3239
3240         newHeight -= mProps.mResizeHandleSize;
3241
3242     size_t i;
3243     for ( i = 0; i != pRow->mBars.Count(); ++i )
3244     {
3245         if ( !pRow->mBars[i]->IsFixed() )
3246             pRow->mBars[i]->mBounds.height = newHeight;
3247     }
3248 }
3249
3250 void cbDockPane::GetRowResizeRange( cbRowInfo* pRow, int* from, int* till,
3251                                     bool forUpperHandle )
3252 {
3253     cbRowInfo* pGivenRow = pRow;
3254
3255     // calc unavailable space from above
3256
3257     int notFree = 0;
3258
3259     while( pRow->mpPrev )
3260     {
3261         pRow = pRow->mpPrev;
3262
3263         notFree += GetMinimalRowHeight( pRow );
3264
3265     };
3266
3267     *from = notFree;
3268
3269     // allow accupy the client window space by resizing pane rows
3270     if ( mAlignment == FL_ALIGN_BOTTOM )
3271
3272         *from -= mpLayout->GetClientHeight();
3273     else
3274     if ( mAlignment == FL_ALIGN_RIGHT )
3275
3276         *from -= mpLayout->GetClientWidth();
3277
3278     // calc unavailable space from below
3279
3280     pRow = pGivenRow;
3281
3282     notFree = 0;
3283
3284     while( pRow->mpNext )
3285     {
3286         pRow = pRow->mpNext;
3287
3288         notFree += GetMinimalRowHeight( pRow );
3289
3290     }
3291
3292     *till = mPaneHeight - notFree;
3293
3294     // allow adjustinig pane space vs. client window space by resizing pane row heights
3295
3296     if ( mAlignment == FL_ALIGN_TOP )
3297
3298         *till += mpLayout->GetClientHeight();
3299     else
3300     if ( mAlignment == FL_ALIGN_LEFT )
3301
3302         *till += mpLayout->GetClientWidth();
3303
3304     // do not let the resizing of the row totally squeeze the row itself
3305
3306     cbRowInfo& row = *pGivenRow;
3307
3308     if ( forUpperHandle )
3309     {
3310         *till = row.mRowY + row.mRowHeight - GetMinimalRowHeight( pGivenRow );
3311
3312         if ( row.mHasUpperHandle )
3313
3314             *till -= mProps.mResizeHandleSize;
3315     }
3316     else
3317     {
3318         *from += GetMinimalRowHeight( pGivenRow );
3319
3320         if ( row.mHasLowerHandle )
3321
3322             *from -= mProps.mResizeHandleSize;
3323     }
3324 }
3325
3326 void cbDockPane::ResizeRow( cbRowInfo* pRow, int ofs,
3327                             bool forUpperHandle )
3328 {
3329     cbResizeRowEvent evt( pRow, ofs, forUpperHandle, this );
3330
3331     mpLayout->FirePluginEvent( evt );
3332 }
3333
3334 void cbDockPane::ResizeBar( cbBarInfo* pBar, int ofs,
3335                             bool forLeftHandle )
3336 {
3337     pBar->mpRow->mpExpandedBar = NULL;
3338
3339     mpLayout->GetUpdatesManager().OnStartChanges();
3340
3341     wxRect&  bounds = pBar->mBounds;
3342
3343     if ( forLeftHandle )
3344     {
3345         // do not allow bar width become less then minimal
3346         if ( bounds.x + ofs > bounds.x + bounds.width - mProps.mMinCBarDim.x )
3347         {
3348             bounds.width = mProps.mMinCBarDim.x;
3349             bounds.x += ofs;
3350         }
3351         else
3352         {
3353             bounds.x     += ofs;
3354             bounds.width -= ofs;
3355         }
3356     }
3357     else
3358     {
3359         // move bar left if necessary
3360         if ( bounds.width + ofs < mProps.mMinCBarDim.x )
3361         {
3362             bounds.x     = bounds.x + bounds.width + ofs - mProps.mMinCBarDim.x;
3363             bounds.width = mProps.mMinCBarDim.x;
3364         }
3365         else
3366             // resize right border only
3367             bounds.width += ofs;
3368     }
3369
3370
3371     cbRowInfo* pToRow = pBar->mpRow;
3372
3373     this->RemoveBar( pBar );
3374
3375     InsertBar( pBar, pToRow );
3376
3377     mpLayout->RecalcLayout(false);
3378
3379     mpLayout->GetUpdatesManager().OnFinishChanges();
3380     mpLayout->GetUpdatesManager().UpdateNow();
3381 }
3382
3383
3384 /*** row/bar resizing related methods ***/
3385
3386 void cbDockPane::DrawVertHandle( wxDC& dc, int x, int y, int height )
3387 {
3388     int lower = y + height;
3389
3390     dc.SetPen( mpLayout->mLightPen );
3391     dc.DrawLine( x,y, x, lower );
3392
3393     dc.SetPen( mpLayout->mGrayPen );
3394     int i;
3395     for ( i = 0; i != mProps.mResizeHandleSize-1; ++i )
3396     {
3397         ++x;
3398         dc.DrawLine( x,y, x, lower );
3399     }
3400
3401     dc.SetPen( mpLayout->mDarkPen );
3402     ++x;
3403     dc.DrawLine( x,y, x, lower );
3404
3405     dc.SetPen( mpLayout->mBlackPen );
3406     ++x;
3407     dc.DrawLine( x,y, x, lower );
3408 }
3409
3410 void cbDockPane::DrawHorizHandle( wxDC& dc, int x, int y, int width  )
3411 {
3412     int right = x + width;
3413
3414     dc.SetPen( mpLayout->mLightPen );
3415     dc.DrawLine( x,y, right, y );
3416
3417     dc.SetPen( mpLayout->mGrayPen );
3418
3419     int i;
3420     for ( i = 0; i != mProps.mResizeHandleSize-1; ++i )
3421     {
3422         ++y;
3423         dc.DrawLine( x,y, right, y );
3424     }
3425
3426     dc.SetPen( mpLayout->mDarkPen );
3427     dc.DrawLine( x,y, right, ++y );
3428
3429     dc.SetPen( mpLayout->mBlackPen );
3430     dc.DrawLine( x,y, right, ++y );
3431 }
3432
3433 cbBarInfo* cbDockPane::GetBarInfoByWindow( wxWindow* pBarWnd )
3434 {
3435     wxBarIterator i( mRows );
3436
3437     while( i.Next() )
3438
3439         if ( i.BarInfo().mpBarWnd == pBarWnd )
3440
3441             return &i.BarInfo();
3442
3443     return NULL;
3444 }
3445
3446 void cbDockPane::GetRowShapeData( cbRowInfo* pRow, wxList* pLst )
3447 {
3448     if(pLst)
3449     {
3450         WX_CLEAR_LIST(wxList,*pLst);
3451     }
3452
3453     pLst->Clear();
3454
3455     size_t i;
3456     for ( i = 0; i != pRow->mBars.Count(); ++i )
3457     {
3458         cbBarInfo& bar = *pRow->mBars[i];
3459
3460         cbBarShapeData* pData = new cbBarShapeData();
3461
3462         pLst->Append( (wxObject*)pData );
3463
3464         pData->mBounds   = bar.mBounds;
3465         pData->mLenRatio = bar.mLenRatio;
3466     }
3467 }
3468
3469 void cbDockPane::SetRowShapeData( cbRowInfo* pRow, wxList* pLst )
3470 {
3471     if ( pLst->GetFirst() == NULL )
3472         return;
3473
3474     wxObjectList::compatibility_iterator pData = pLst->GetFirst();
3475
3476     size_t i;
3477     for ( i = 0; i != pRow->mBars.Count(); ++i )
3478     {
3479         wxASSERT( pData ); // DBG::
3480
3481         cbBarInfo& bar = *pRow->mBars[i];;
3482
3483         cbBarShapeData& data = *((cbBarShapeData*)pData->GetData());
3484
3485         bar.mBounds   = data.mBounds;
3486         bar.mLenRatio = data.mLenRatio;
3487
3488         pData = pData->GetNext();
3489     }
3490 }
3491
3492 /***** Implementation for class cbUpdatesManagerBase *****/
3493
3494 IMPLEMENT_ABSTRACT_CLASS( cbUpdatesManagerBase, wxObject )
3495
3496 /***** Implementation for class cbPluginBase *****/
3497
3498 IMPLEMENT_ABSTRACT_CLASS( cbPluginBase, wxEvtHandler )
3499
3500 cbPluginBase::~cbPluginBase()
3501 {
3502     // nothing
3503 }
3504
3505 bool cbPluginBase::ProcessEvent(wxEvent& event)
3506 {
3507     if ( mPaneMask == wxALL_PANES )
3508
3509         return wxEvtHandler::ProcessEvent( event );
3510
3511     // extract mask info. from received event
3512
3513     cbPluginEvent& evt = *( (cbPluginEvent*)&event );
3514
3515     if ( evt.mpPane == 0 &&
3516          mPaneMask  == wxALL_PANES )
3517
3518          return wxEvtHandler::ProcessEvent( event );
3519
3520     int mask = 0;
3521
3522     switch ( evt.mpPane->mAlignment )
3523     {
3524         case FL_ALIGN_TOP    : mask = FL_ALIGN_TOP_PANE;   break;
3525         case FL_ALIGN_BOTTOM : mask = FL_ALIGN_BOTTOM_PANE;break;
3526         case FL_ALIGN_LEFT   : mask = FL_ALIGN_LEFT_PANE;  break;
3527         case FL_ALIGN_RIGHT  : mask = FL_ALIGN_RIGHT_PANE; break;
3528     }
3529
3530     // if event's pane maks matches the plugin's mask
3531
3532     if ( mPaneMask & mask )
3533
3534         return wxEvtHandler::ProcessEvent( event );
3535
3536     // otherwise pass to the next handler if present
3537
3538     if ( GetNextHandler() && GetNextHandler()->ProcessEvent( event ) )
3539
3540         return true;
3541     else
3542         return false;
3543 }
3544