contrib/src/fl/panedrawpl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        panedrawpl.cpp
   3 // Purpose:     cbPaneDrawPlugin implementation.
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     06/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:       wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "panedrawpl.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/utils.h"     // import wxMin,wxMax macros
  31
  32 #include "wx/fl/panedrawpl.h"
  33
  34 // bitmap bits used by bar-resizing brush
  35
  36 #define _IMG_A  0xAA    // Note: modified from _A to _IMG_A, _A was already defined (cygwin)
  37 #define _IMG_B  0x00    // Note: modified from _B to _IMG_A, _B was already defined (cygwin)
  38 #define _IMG_C  0x55    // Note: modified from _C to _IMG_C, for consistency reasons.
  39 #define _IMG_D  0x00    // Note: modified from _D to _IMG_D, for consistency reasons.
  40
  41 static const unsigned char _gCheckerImg[16] = { _IMG_A,_IMG_B,_IMG_C,_IMG_D,
  42                                                 _IMG_A,_IMG_B,_IMG_C,_IMG_D,
  43                                                 _IMG_A,_IMG_B,_IMG_C,_IMG_D,
  44                                                 _IMG_A,_IMG_B,_IMG_C,_IMG_D
  45                                               };
  46
  47 // FIXME:: The below code somehow doesn't work - cursors remain unchanged
  48 // Used: controlbar.cpp(1268):    set_cursor_bits( _gHorizCursorImg, bits, 32, 16 );
  49 // Used: controlbar.cpp(1272):    set_cursor_bits( _gVertCursorImg, bits, 32, 16 );
  50 /*
  51 static void set_cursor_bits( const char** img, char* bits, int width, int height )
  52 {
  53     for( int i = 0; i != (width*height)/8; ++i )
  54         bits[i] = 0;
  55
  56     for( int y = 0; y != height; ++y )
  57     {
  58         const char* row = img[0];
  59
  60         for( int x = 0; x != width; ++x )
  61         {
  62             int bitNo = y*width + x;
  63
  64             char value = ( row[x] != '.' ) ? 1 : 0;
  65
  66             bits[ bitNo / sizeof(char) ] |=
  67                 ( ( bitNo %sizeof(char) ) << value );
  68         }
  69
  70         ++img;
  71     }
  72 }
  73 */
  74
  75 /***** Implementation for class cbPaneDrawPlugin *****/
  76
  77 IMPLEMENT_DYNAMIC_CLASS( cbPaneDrawPlugin, cbPluginBase )
  78
  79 BEGIN_EVENT_TABLE( cbPaneDrawPlugin, cbPluginBase )
  80
  81     EVT_PL_LEFT_DOWN           ( cbPaneDrawPlugin::OnLButtonDown         )
  82     EVT_PL_LEFT_UP               ( cbPaneDrawPlugin::OnLButtonUp           )
  83 //    EVT_PL_LEFT_DCLICK           ( cbPaneDrawPlugin::OnLDblClick           )
  84     EVT_PL_RIGHT_UP               ( cbPaneDrawPlugin::OnRButtonUp           )
  85     EVT_PL_MOTION               ( cbPaneDrawPlugin::OnMouseMove           )
  86
  87
  88     EVT_PL_DRAW_PANE_BKGROUND  ( cbPaneDrawPlugin::OnDrawPaneBackground  )
  89     EVT_PL_DRAW_PANE_DECOR     ( cbPaneDrawPlugin::OnDrawPaneDecorations )
  90
  91     EVT_PL_DRAW_ROW_DECOR      ( cbPaneDrawPlugin::OnDrawRowDecorations  )
  92     EVT_PL_DRAW_ROW_HANDLES    ( cbPaneDrawPlugin::OnDrawRowHandles      )
  93     EVT_PL_DRAW_ROW_BKGROUND   ( cbPaneDrawPlugin::OnDrawRowBackground   )
  94
  95     EVT_PL_SIZE_BAR_WND           ( cbPaneDrawPlugin::OnSizeBarWindow       )
  96     EVT_PL_DRAW_BAR_DECOR       ( cbPaneDrawPlugin::OnDrawBarDecorations  )
  97     EVT_PL_DRAW_BAR_HANDLES       ( cbPaneDrawPlugin::OnDrawBarHandles      )
  98
  99     EVT_PL_START_DRAW_IN_AREA  ( cbPaneDrawPlugin::OnStartDrawInArea     )
 100     EVT_PL_FINISH_DRAW_IN_AREA ( cbPaneDrawPlugin::OnFinishDrawInArea    )
 101
 102 END_EVENT_TABLE()
 103
 104 cbPaneDrawPlugin::cbPaneDrawPlugin(void)
 105
 106     : mResizeStarted          ( FALSE ),
 107
 108       mResizeCursorOn         ( FALSE ),
 109       mpDraggedBar              ( NULL  ),
 110       mpResizedRow            ( NULL  ),
 111
 112       mRowHandleHitted        ( FALSE ),
 113       mIsUpperHandle          ( FALSE ),
 114       mBarHandleHitted        ( FALSE ),
 115       mIsLeftHandle           ( FALSE ),
 116       mBarContentHitted       ( FALSE ),
 117
 118       mpClntDc ( NULL ),
 119       mpPane   ( NULL )
 120 {}
 121
 122 cbPaneDrawPlugin::cbPaneDrawPlugin( wxFrameLayout* pPanel, int paneMask )
 123
 124     : cbPluginBase( pPanel, paneMask ),
 125
 126       // bar-row resizing state varaibles
 127
 128       mResizeStarted          ( FALSE ),
 129
 130       mResizeCursorOn         ( FALSE ),
 131       mpDraggedBar              ( NULL ),
 132       mpResizedRow            ( NULL ),
 133
 134       mRowHandleHitted        ( FALSE ),
 135       mIsUpperHandle          ( FALSE ),
 136       mBarHandleHitted        ( FALSE ),
 137       mIsLeftHandle           ( FALSE ),
 138       mBarContentHitted       ( FALSE ),
 139
 140       mpClntDc ( NULL ),
 141       mpPane   ( NULL )
 142 {}
 143
 144 cbPaneDrawPlugin::~cbPaneDrawPlugin()
 145 {
 146     // DBG::
 147     wxASSERT( mpClntDc == NULL );
 148 }
 149
 150 void cbPaneDrawPlugin::DrawDraggedHandle( const wxPoint& pos, cbDockPane& pane )
 151 {
 152     wxScreenDC dc;
 153     int ofsX = 0;
 154     int ofsY = 0;
 155
 156     wxPoint fpos = pos;
 157     pane.PaneToFrame( &fpos.x, &fpos.y );
 158
 159     // short-cut
 160     int resizeHndSize = pane.mProps.mResizeHandleSize;
 161
 162     // "Required for X to specify that
 163     // that we wish to draw on top of all windows
 164     // - and we optimise by specifying the area
 165     // for creating the overlap window." --J.S.
 166
 167     wxScreenDC::StartDrawingOnTop(&mpLayout->GetParentFrame());
 168
 169     mpLayout->GetParentFrame().ClientToScreen( &ofsX, &ofsY );
 170
 171     int prevLF = dc.GetLogicalFunction();
 172
 173     // BUG BUG BUG (wx):: somehow stippled brush works only
 174     //                      when the bitmap created on stack, not
 175     //                      as a member of the class
 176
 177     wxBitmap checker( (const char*)_gCheckerImg, 8,8 );
 178
 179     wxBrush checkerBrush( checker );
 180
 181     dc.SetPen( mpLayout->mNullPen );
 182     dc.SetBrush( checkerBrush );
 183     dc.SetLogicalFunction( wxXOR );
 184
 185     if ( mHandleIsVertical )
 186     {
 187         int delta = pos.x - mDragOrigin.x;
 188
 189         if ( !pane.IsHorizontal() )
 190
 191             delta = pos.y - mDragOrigin.y;
 192
 193         int realHndOfs;
 194         realHndOfs = pane.mBoundsInParent.x + pane.mLeftMargin + mHandleOfs;
 195
 196         int newX = realHndOfs + delta;
 197
 198         if ( newX + resizeHndSize > mHandleDragArea.x + mHandleDragArea.width )
 199
 200             newX = mHandleDragArea.x + mHandleDragArea.width  - 1;
 201
 202         if ( newX < mHandleDragArea.x )
 203
 204             newX = mHandleDragArea.x;
 205
 206         mDraggedDelta = newX - realHndOfs;
 207
 208         dc.DrawRectangle( newX + ofsX, mHandleDragArea.y + ofsY,
 209                           resizeHndSize + 1,
 210                           mHandleDragArea.height+1 );
 211     }
 212     else
 213     {
 214         // otherwise, draw horizontal handle
 215
 216         int delta = pos.y - mDragOrigin.y;
 217
 218         if ( !pane.IsHorizontal() )
 219
 220             delta = pos.x - mDragOrigin.x;
 221
 222         int realHndOfs;
 223         realHndOfs = pane.mBoundsInParent.y + pane.mTopMargin + mHandleOfs;
 224
 225         int newY = realHndOfs + delta;
 226
 227         if ( newY + resizeHndSize > mHandleDragArea.y + mHandleDragArea.height )
 228
 229             newY = mHandleDragArea.y + mHandleDragArea.height - 1;
 230
 231         if ( newY < mHandleDragArea.y )
 232
 233             newY = mHandleDragArea.y;
 234
 235         mDraggedDelta = newY - realHndOfs;
 236
 237         dc.DrawRectangle( mHandleDragArea.x + ofsX, newY + ofsY,
 238                           mHandleDragArea.width + 1,
 239                           resizeHndSize + 1 );
 240     }
 241
 242     dc.SetLogicalFunction( prevLF );
 243
 244     // "End drawing on top (frees the window used for drawing
 245     // over the screen)" --J.S.
 246     wxScreenDC::EndDrawingOnTop();
 247 }
 248
 249 void cbPaneDrawPlugin::OnMouseMove( cbMotionEvent& event )
 250 {
 251     if ( !mResizeStarted )
 252     {
 253         // if nothing is started, do hit-tests
 254
 255         bool prevWasRowHandle = mRowHandleHitted;
 256
 257         mBarContentHitted = FALSE;
 258         mBarHandleHitted  = FALSE;
 259         mRowHandleHitted  = FALSE;
 260
 261         int testResult =
 262             event.mpPane->HitTestPaneItems( event.mPos,        // in pane's coordiantes
 263                                             &mpResizedRow,
 264                                             &mpDraggedBar );
 265
 266         if ( testResult != CB_NO_ITEMS_HITTED )
 267         {
 268             if ( testResult == CB_BAR_CONTENT_HITTED )
 269             {
 270                 // restore cursor, if non of the handles were hit
 271                 if ( mResizeCursorOn )
 272                 {
 273                     // remove resizing hints
 274
 275                     mpLayout->ReleaseEventsFromPane( event.mpPane );
 276                     mpLayout->ReleaseEventsFromPlugin( this );
 277
 278                     mResizeCursorOn = FALSE;
 279
 280                     mBarContentHitted = TRUE;
 281
 282                     // In Windows, at least, the frame needs to have a null cursor
 283                     // else child windows (such as text windows) inherit the cursor
 284 #if 1
 285                     mpLayout->GetParentFrame().SetCursor( wxNullCursor );
 286 #else
 287                     mpLayout->GetParentFrame().SetCursor( *mpLayout->mpNormalCursor );
 288 #endif
 289                 }
 290
 291                 // TBD:: fire something like "mouse-over-bar" event
 292
 293                 event.Skip(); // pass event to the next handler in the chain
 294                 return;
 295             }
 296
 297             wxCursor* pCurs;
 298
 299             if ( testResult == CB_UPPER_ROW_HANDLE_HITTED ||
 300                  testResult == CB_LOWER_ROW_HANDLE_HITTED)
 301             {
 302                 if ( event.mpPane->IsHorizontal() )
 303
 304                     pCurs = mpLayout->mpVertCursor;
 305                 else
 306                     pCurs = mpLayout->mpHorizCursor;
 307
 308                 mRowHandleHitted = TRUE;
 309                 mIsUpperHandle    = ( testResult == CB_UPPER_ROW_HANDLE_HITTED );
 310             }
 311             else
 312             {
 313                 // otherwise, if inter-bar handle was hitted
 314
 315                 if ( event.mpPane->IsHorizontal() )
 316
 317                     pCurs = mpLayout->mpHorizCursor;
 318                 else
 319                     pCurs = mpLayout->mpVertCursor;
 320
 321                 mBarHandleHitted = TRUE;
 322                 mIsLeftHandle    = ( testResult == CB_LEFT_BAR_HANDLE_HITTED );
 323             }
 324
 325             // avoid setting the same cursor twice
 326
 327             if ( !mResizeCursorOn || prevWasRowHandle != mRowHandleHitted )
 328             {
 329                 if ( !mResizeCursorOn )
 330                 {
 331                     // caputre if not captured yet
 332                     mpLayout->CaptureEventsForPane( event.mpPane );
 333                     mpLayout->CaptureEventsForPlugin( this );
 334                 }
 335
 336                 mpLayout->GetParentFrame().SetCursor( *pCurs );
 337             }
 338
 339             mResizeCursorOn = TRUE;
 340
 341             // handled is being dragged now, thus event is "eaten" by this plugin
 342
 343             return;
 344
 345         } // end of if (HitTestBarHandles())
 346
 347         // restore cursor, if non of the handles were hit
 348         if ( mResizeCursorOn )
 349         {
 350             mpLayout->ReleaseEventsFromPane( event.mpPane );
 351             mpLayout->ReleaseEventsFromPlugin( this );
 352
 353             // In Windows, at least, the frame needs to have a null cursor
 354             // else child windows (such as text windows) inherit the cursor
 355 #if 1
 356             mpLayout->GetParentFrame().SetCursor( wxNullCursor );
 357 #else
 358             mpLayout->GetParentFrame().SetCursor( *mpLayout->mpNormalCursor );
 359 #endif
 360
 361             mResizeCursorOn = FALSE;
 362         }
 363
 364         event.Skip(); // pass event to the next plugin
 365     }
 366
 367     // othewise series of actions, if something has already started
 368
 369     else
 370     if ( mResizeStarted )
 371     {
 372         // apply xor-mask twice
 373         DrawDraggedHandle( mPrevPos,   *event.mpPane );
 374
 375         // draw handle in the new position
 376         DrawDraggedHandle( event.mPos, *event.mpPane );
 377         mPrevPos = event.mPos;
 378
 379         // handled is dragged, thus event is "eaten" by this plugin
 380     }
 381     else
 382         event.Skip(); // pass event to the next plugin
 383 }
 384
 385 void cbPaneDrawPlugin::OnLDblClick( cbLeftDClickEvent& event )
 386 {
 387     if ( !mResizeCursorOn )
 388     {
 389         cbBarInfo* pBarToFloat;
 390
 391         if ( event.mpPane->HitTestPaneItems( event.mPos,       // in pane's coordiantes
 392                                              &mpResizedRow,
 393                                              &pBarToFloat ) == CB_BAR_CONTENT_HITTED
 394            )
 395             {
 396             return;
 397             }
 398
 399         event.Skip();
 400     }
 401 }
 402
 403 void cbPaneDrawPlugin::OnLButtonDown( cbLeftDownEvent& event )
 404 {
 405     wxASSERT( !mResizeStarted );
 406
 407     if ( mResizeCursorOn )
 408     {
 409         mResizeStarted = TRUE;
 410         mDragOrigin    = event.mPos;
 411
 412         // setup constraints for the dragging handle
 413
 414         int from, till;
 415         mHandleOfs        = 0;
 416         mHandleIsVertical = FALSE;
 417
 418         if ( mRowHandleHitted )
 419
 420             event.mpPane->GetRowResizeRange( mpResizedRow, &from, &till, mIsUpperHandle );
 421         else
 422             // otherwise if bar handle was hitted
 423             event.mpPane->GetBarResizeRange( mpDraggedBar, &from, &till, mIsLeftHandle );
 424
 425         if ( mRowHandleHitted )
 426         {
 427             mHandleIsVertical = ( event.mpPane->IsHorizontal() ) ? FALSE : TRUE;
 428
 429             mHandleDragArea.x      = 0;
 430             mHandleDragArea.width  = event.mpPane->mPaneWidth;
 431
 432             mHandleDragArea.y      = from;
 433             mHandleDragArea.height = till - from;
 434
 435             if ( mIsUpperHandle )
 436
 437                 mHandleOfs = mpResizedRow->mRowY;
 438             else
 439                 mHandleOfs = mpResizedRow->mRowY +
 440                              mpResizedRow->mRowHeight -
 441                              event.mpPane->mProps.mResizeHandleSize;
 442         }
 443         else
 444         {
 445             // otehrwise if bar handle dragged
 446
 447 //            cbRowInfo& rowInfo     = *mpDraggedBar->mpRow;
 448             wxRect& bounds         = mpDraggedBar->mBounds;
 449
 450             mHandleIsVertical = ( event.mpPane->IsHorizontal() ) ? TRUE : FALSE;
 451
 452             mHandleDragArea.x      = from;
 453             mHandleDragArea.width  = till - from;
 454
 455
 456             mHandleDragArea.y      = bounds.y;
 457             mHandleDragArea.height = bounds.height;
 458
 459             // left-side-handle mBounds
 460             if ( mIsLeftHandle )
 461
 462                 mHandleOfs = bounds.x;
 463             else
 464                 mHandleOfs = bounds.x +
 465                              bounds.width - event.mpPane->mProps.mResizeHandleSize;
 466
 467         }
 468
 469         event.mpPane->PaneToFrame( &mHandleDragArea );
 470         DrawDraggedHandle(mDragOrigin, *event.mpPane);
 471
 472         mPrevPos = mDragOrigin;
 473
 474         return;
 475         // handled is dragged, thus event is "eaten" by this plugin
 476     }
 477     else
 478     {
 479         cbBarInfo* pDraggedBar;
 480
 481         if ( event.mpPane->HitTestPaneItems( event.mPos,       // in pane's coordiantes
 482                                              &mpResizedRow,
 483                                              &pDraggedBar ) == CB_BAR_CONTENT_HITTED
 484            )
 485         {
 486             int x = event.mPos.x,
 487                 y = event.mPos.y;
 488
 489             event.mpPane->PaneToFrame( &x, &y );
 490
 491             cbStartBarDraggingEvent dragEvt( pDraggedBar, wxPoint(x,y), event.mpPane );
 492
 493             mpLayout->FirePluginEvent( dragEvt );
 494
 495             return; // event is "eaten" by this plugin
 496         }
 497     }
 498
 499     event.Skip(); // pass event to the next plugin in the chain
 500 }
 501
 502 void cbPaneDrawPlugin::OnLButtonUp( cbLeftUpEvent& event )
 503 {
 504     if ( mResizeStarted )
 505     {
 506         DrawDraggedHandle( event.mPos, *event.mpPane );
 507
 508         mResizeStarted  = FALSE;
 509         mResizeCursorOn = FALSE;
 510
 511         mpLayout->ReleaseEventsFromPane( event.mpPane );
 512         mpLayout->ReleaseEventsFromPlugin( this );
 513
 514         // In Windows, at least, the frame needs to have a null cursor
 515         // else child windows (such as text windows) inherit the cursor
 516 #if 1
 517         mpLayout->GetParentFrame().SetCursor( wxNullCursor );
 518 #else
 519         mpLayout->GetParentFrame().SetCursor( *mpLayout->mpNormalCursor );
 520 #endif
 521
 522         if ( mRowHandleHitted )
 523         {
 524             event.mpPane->ResizeRow( mpResizedRow,
 525                                      mDraggedDelta,
 526                                      mIsUpperHandle );
 527         }
 528         else
 529         {
 530             event.mpPane->ResizeBar( mpDraggedBar,
 531                                      mDraggedDelta,
 532                                      mIsLeftHandle );
 533         }
 534
 535         mpDraggedBar = NULL;
 536         mpResizedRow = NULL;
 537
 538         // handled dragging action was finished by this mouse-up,
 539         // thus event is "eaten" by this plugin
 540
 541         return;
 542     }
 543
 544     event.Skip(); // pass event to the next plugin
 545 }
 546
 547 void cbPaneDrawPlugin::OnRButtonUp( cbRightUpEvent&   event )
 548 {
 549     wxPoint fpos = event.mPos;
 550     event.mpPane->PaneToFrame( &fpos.x, &fpos.y );
 551
 552     cbBarInfo* pDraggedBar;
 553
 554     // user clicks inside the bar contnet, fire bar-customization event
 555
 556     if ( event.mpPane->HitTestPaneItems( event.mPos,       // in pane's coordiantes
 557                                          &mpResizedRow,
 558                                          &pDraggedBar  ) == CB_BAR_CONTENT_HITTED
 559        )
 560     {
 561         cbCustomizeBarEvent cbEvt( pDraggedBar, fpos, event.mpPane );
 562
 563         mpLayout->FirePluginEvent( cbEvt );
 564
 565         return; // event is "eaten" by this plugin
 566     }
 567
 568     // otherwise fire whole-layout customization event
 569
 570     cbCustomizeLayoutEvent csEvt( fpos );
 571
 572     mpLayout->FirePluginEvent( csEvt );
 573
 574     // event is "eaten" by this plugin
 575 }
 576
 577 void cbPaneDrawPlugin::OnSizeBarWindow( cbSizeBarWndEvent& event )
 578 {
 579     cbBarInfo& bar = *event.mpBar;
 580     mpPane         = event.mpPane;
 581
 582     // it's possible that a bar does not have it's own window!
 583     if ( !bar.mpBarWnd ) return;
 584
 585     wxRect& bounds = event.mBoundsInParent;
 586
 587     // check visibility
 588     if ( bounds.height != 0 )
 589     {
 590         // size smaller than bounds, to leave space for shade lines
 591
 592         // FIXME:: +/- 1s
 593
 594         int nNewHeight = bounds.height - 2 - bar.mDimInfo.mVertGap *2;
 595         if(nNewHeight < 0)
 596            nNewHeight = 0;
 597
 598         bar.mpBarWnd->wxWindow::SetSize( bounds.x      + 1 + bar.mDimInfo.mHorizGap,
 599                                          bounds.y      + 1 + bar.mDimInfo.mVertGap,
 600                                          bounds.width  - 2 - bar.mDimInfo.mHorizGap*2,
 601                                          nNewHeight,
 602                                          0
 603                                        );
 604
 605         if ( !bar.mpBarWnd->IsShown() )
 606
 607             bar.mpBarWnd->Show( TRUE );
 608     }
 609     else
 610         // hide bar if not visible
 611         bar.mpBarWnd->Show( FALSE );
 612
 613     event.Skip(); // pass event to the next plugin in the chain
 614 }
 615
 616 void cbPaneDrawPlugin::OnDrawRowDecorations( cbDrawRowDecorEvent& event )
 617 {
 618     DrawPaneShadeForRow( event.mpRow, *event.mpDc );
 619
 620     event.Skip(); // pass event to the next plugin
 621 }
 622
 623 void cbPaneDrawPlugin::DrawUpperRowHandle( cbRowInfo* pRow, wxDC& dc )
 624 {
 625     wxRect& bounds = pRow->mBoundsInParent;
 626
 627     if ( mpPane->IsHorizontal() )
 628     {
 629          if ( pRow->mHasUpperHandle )
 630
 631             mpPane->DrawHorizHandle( dc, bounds.x,
 632                                      bounds.y-1,
 633                                       pRow->mRowWidth );
 634     }
 635     else
 636     {
 637         if ( pRow->mHasUpperHandle )
 638
 639             mpPane->DrawVertHandle( dc, bounds.x-1,
 640                                     bounds.y, pRow->mRowWidth );
 641     }
 642 }
 643
 644 void cbPaneDrawPlugin::DrawLowerRowHandle( cbRowInfo* pRow, wxDC& dc )
 645 {
 646     wxRect& bounds = pRow->mBoundsInParent;
 647
 648     // check if iter-row handles present
 649
 650     if ( mpPane->IsHorizontal() )
 651     {
 652         if ( pRow->mHasLowerHandle )
 653
 654             mpPane->DrawHorizHandle( dc, bounds.x, bounds.y + bounds.height - mpPane->mProps.mResizeHandleSize - 1,
 655                                       pRow->mRowWidth );
 656     }
 657     else
 658     {
 659         if ( pRow->mHasLowerHandle )
 660
 661             mpPane->DrawVertHandle( dc, bounds.x + bounds.width - mpPane->mProps.mResizeHandleSize - 1,
 662                                      bounds.y, pRow->mRowWidth );
 663     }
 664 }
 665
 666 void cbPaneDrawPlugin::OnDrawRowHandles( cbDrawRowHandlesEvent& event )
 667 {
 668     // short-cuts
 669     cbRowInfo* pRow = event.mpRow;
 670     wxDC&   dc      = *event.mpDc;
 671     mpPane          = event.mpPane;
 672
 673     // draw handles of surrounding rows first
 674
 675     if ( pRow->mpPrev && pRow->mpPrev->mHasLowerHandle )
 676
 677             DrawLowerRowHandle( pRow->mpPrev, dc );
 678
 679     if ( pRow->mpNext && pRow->mpNext->mHasUpperHandle )
 680
 681         DrawUpperRowHandle( pRow->mpNext, dc );
 682
 683     // draw handles of the given row
 684
 685     if ( pRow->mHasUpperHandle )
 686
 687         DrawUpperRowHandle( pRow, dc );
 688
 689     if ( pRow->mHasLowerHandle )
 690
 691         DrawLowerRowHandle( pRow, dc );
 692
 693     event.Skip(); // pass event to the next plugin
 694 }
 695
 696 void cbPaneDrawPlugin::OnDrawPaneBackground ( cbDrawPaneBkGroundEvent& event )
 697 {
 698     wxDC& dc = *event.mpDc;
 699     mpPane   = event.mpPane;
 700
 701     // FOR NOW:: hard-coded
 702     wxBrush bkBrush( mpLayout->mBorderPen.GetColour(), wxSOLID );
 703
 704     dc.SetBrush( bkBrush );
 705     dc.SetPen( mpLayout->mNullPen );
 706
 707     wxRect& bounds = mpPane->mBoundsInParent;
 708
 709     if ( mpPane->mTopMargin >= 1 )
 710
 711         dc.DrawRectangle( bounds.x, bounds.y,
 712                           bounds.width+1,
 713                           mpPane->mTopMargin + 1);
 714
 715
 716     if ( mpPane->mBottomMargin >= 1 )
 717
 718         dc.DrawRectangle( bounds.x,
 719                           bounds.y + bounds.height - mpPane->mBottomMargin,
 720                           bounds.width + 1,
 721                           mpPane->mBottomMargin + 1);
 722
 723
 724     if ( mpPane->mLeftMargin >= 1 )
 725
 726         dc.DrawRectangle( bounds.x,
 727                           bounds.y + mpPane->mTopMargin - 1,
 728                           mpPane->mLeftMargin + 1,
 729                           bounds.height - mpPane->mTopMargin - mpPane->mBottomMargin + 2);
 730
 731
 732     if ( mpPane->mRightMargin >= 1 )
 733
 734         dc.DrawRectangle( bounds.x + bounds.width - mpPane->mRightMargin,
 735                           bounds.y + mpPane->mTopMargin - 1,
 736                           mpPane->mRightMargin + 1,
 737                           bounds.height - mpPane->mTopMargin - mpPane->mBottomMargin + 2);
 738
 739     event.Skip(); // pass event to the next plugin
 740 }
 741
 742 void cbPaneDrawPlugin::OnDrawRowBackground ( cbDrawRowBkGroundEvent& event )
 743 {
 744     // short-cuts
 745     cbRowInfo* pRow = event.mpRow;
 746     wxDC&   dc      = *event.mpDc;
 747     mpPane          = event.mpPane;
 748
 749     // get ready
 750     wxRect     rowBounds    = pRow->mBoundsInParent;
 751     bool       isHorizontal    = event.mpPane->IsHorizontal();
 752
 753 //    int prevPos;
 754
 755     if ( isHorizontal )
 756     {
 757 //        prevPos = rowBounds.x;
 758         // include one line above and below the row
 759         --rowBounds.y;
 760         rowBounds.height += 2;
 761
 762         --rowBounds.x;
 763         rowBounds.width  += 2;
 764     }
 765     else
 766     {
 767 //        prevPos = rowBounds.y;
 768         // include one line above and below the row
 769         --rowBounds.x;
 770         rowBounds.width  += 2;
 771
 772         --rowBounds.y;
 773         rowBounds.height += 2;
 774     }
 775
 776 //#define TEST_BK_ERASING
 777
 778 #ifdef TEST_BK_ERASING
 779
 780     // DBG::
 781     wxBrush br0( wxColour(0,160,160), wxSOLID );
 782     dc.SetBrush(br0);
 783     dc.SetPen  ( mpLayout->mNullPen );
 784     dc.DrawRectangle( rowBounds.x, rowBounds.y,
 785                       rowBounds.width  + 1,
 786                       rowBounds.height + 1  );
 787 #endif
 788
 789     wxBrush bkBrush( mpLayout->mGrayPen.GetColour(), wxSOLID );
 790
 791     dc.SetPen  ( mpLayout->mNullPen );
 792     dc.SetBrush( bkBrush );
 793
 794     // fill background-recatangle of entire row area
 795     dc.DrawRectangle( rowBounds.x, rowBounds.y,
 796                       rowBounds.width  + 1,
 797                       rowBounds.height + 1  );
 798
 799     dc.SetBrush( wxNullBrush );
 800
 801     // draw "shaded-side-bars" for each bar
 802     for( size_t i = 0; i != pRow->mBars.Count(); ++i )
 803     {
 804         wxRect& bounds = pRow->mBars[i]->mBoundsInParent;
 805
 806         if ( isHorizontal )
 807         {
 808             DrawShade( 1, bounds, FL_ALIGN_LEFT, dc );
 809             DrawShade( 1, bounds, FL_ALIGN_RIGHT, dc );
 810         }
 811         else
 812         {
 813             DrawShade( 1, bounds, FL_ALIGN_TOP, dc );
 814             DrawShade( 1, bounds, FL_ALIGN_BOTTOM, dc );
 815         }
 816     }
 817
 818     // draw extra shades to simulate "glued-bricks" effect
 819
 820     // TBD:: reduce exessive drawing of shades, when the
 821     //       row handle is present, and shades will be overr-drawn anyway
 822
 823     DrawUpperRowShades( pRow, dc, 1 ); // outer shade
 824
 825     if ( pRow->mpPrev )
 826     {
 827         DrawLowerRowShades( pRow->mpPrev, dc, 1 ); // outter shade
 828         DrawLowerRowShades( pRow->mpPrev, dc, 0 ); // inner shade
 829     }
 830
 831     DrawLowerRowShades( pRow, dc, 1 );
 832
 833     if ( pRow->mpNext )
 834     {
 835         DrawUpperRowShades( pRow->mpNext, dc, 1 );
 836         DrawUpperRowShades( pRow->mpNext, dc, 0 );
 837     }
 838
 839     event.Skip(); // pass event to the next plugin
 840 }
 841
 842 void cbPaneDrawPlugin::DrawUpperRowShades( cbRowInfo* pRow, wxDC& dc, int level )
 843 {
 844     for( size_t i = 0; i != pRow->mBars.Count(); ++i )
 845     {
 846         wxRect& bounds = pRow->mBars[i]->mBoundsInParent;
 847
 848         if ( mpPane->IsHorizontal() )
 849         {
 850             DrawShade( level, bounds, FL_ALIGN_TOP, dc );
 851             if ( level == 1 )
 852             {
 853                 dc.SetPen( mpLayout->mDarkPen );
 854                 dc.DrawPoint( bounds.x - 1, bounds.y );
 855                 dc.SetPen( mpLayout->mLightPen );
 856                 dc.DrawPoint( bounds.x + bounds.width , bounds.y );
 857             }
 858         }
 859         else
 860         {
 861             DrawShade( level, bounds, FL_ALIGN_LEFT, dc );
 862             if ( level == 1 )
 863             {
 864                 dc.SetPen( mpLayout->mDarkPen );
 865                 dc.DrawPoint( bounds.x, bounds.y -1 );
 866                 dc.SetPen( mpLayout->mLightPen );
 867                 dc.DrawPoint( bounds.x, bounds.y + bounds.height );
 868             }
 869         }
 870     }
 871 }
 872
 873 void cbPaneDrawPlugin::DrawLowerRowShades( cbRowInfo* pRow, wxDC& dc, int level )
 874 {
 875     for( size_t i = 0; i != pRow->mBars.Count(); ++i )
 876     {
 877         wxRect& bounds = pRow->mBars[i]->mBoundsInParent;
 878
 879         if ( mpPane->IsHorizontal() )
 880         {
 881             DrawShade( level, bounds, FL_ALIGN_BOTTOM, dc );
 882             if ( level == 1 )
 883             {
 884                 dc.SetPen( mpLayout->mDarkPen );
 885                 dc.DrawPoint( bounds.x - 1, bounds.y + bounds.height -1 );
 886                 dc.SetPen( mpLayout->mLightPen );
 887                 dc.DrawPoint( bounds.x + bounds.width , bounds.y + bounds.height -1 );
 888             }
 889         }
 890         else
 891         {
 892             DrawShade( level, bounds, FL_ALIGN_RIGHT, dc );
 893             if ( level == 1 )
 894             {
 895                 dc.SetPen( mpLayout->mDarkPen );
 896                 dc.DrawPoint( bounds.x + bounds.width - 1, bounds.y -1 );
 897                 dc.SetPen( mpLayout->mLightPen );
 898                 dc.DrawPoint( bounds.x + bounds.width - 1, bounds.y + bounds.height );
 899             }
 900         }
 901     }
 902 }
 903
 904 void cbPaneDrawPlugin::DrawBarInnerShadeRect( cbBarInfo* pBar, wxDC& dc )
 905 {
 906     wxRect& bounds = pBar->mBoundsInParent;
 907
 908     dc.SetPen( mpLayout->mDarkPen );
 909
 910     dc.DrawLine( bounds.x + bounds.width - 1,
 911                  bounds.y,
 912                  bounds.x + bounds.width - 1,
 913                  bounds.y + bounds.height );
 914
 915     dc.DrawLine( bounds.x,
 916                  bounds.y + bounds.height - 1,
 917                  bounds.x + bounds.width,
 918                  bounds.y + bounds.height -1  );
 919
 920     dc.SetPen( mpLayout->mLightPen );
 921
 922     dc.DrawLine( bounds.x,
 923                  bounds.y,
 924                  bounds.x + bounds.width - 1,
 925                  bounds.y );
 926
 927     dc.DrawLine( bounds.x,
 928                  bounds.y,
 929                  bounds.x,
 930                  bounds.y + bounds.height - 1 );
 931 }
 932
 933 void cbPaneDrawPlugin::DrawShade( int level, wxRect& rect, int alignment, wxDC& dc )
 934 {
 935     // simulates "guled-bricks" appearence of control bars
 936
 937     if ( ( alignment == FL_ALIGN_TOP    && level == 1 ) ||
 938          ( alignment == FL_ALIGN_BOTTOM && level == 0 ) ||
 939          ( alignment == FL_ALIGN_LEFT   && level == 1 ) ||
 940          ( alignment == FL_ALIGN_RIGHT  && level == 0 )
 941        )
 942
 943         dc.SetPen( mpLayout->mDarkPen  );
 944     else
 945         dc.SetPen( mpLayout->mLightPen );
 946
 947     if ( alignment == FL_ALIGN_TOP )
 948     {
 949         if ( level == 0 )
 950
 951             dc.DrawLine( rect.x,
 952                          rect.y,
 953                          rect.x + rect.width - 1,
 954                          rect.y );
 955         else
 956             dc.DrawLine( rect.x - 1,
 957                          rect.y - 1,
 958                          rect.x + rect.width + 0,
 959                          rect.y - 1 );
 960     }
 961     else
 962     if ( alignment == FL_ALIGN_BOTTOM )
 963     {
 964         if ( level == 0 )
 965
 966             dc.DrawLine( rect.x,
 967                          rect.y + rect.height - 1,
 968                          rect.x + rect.width,
 969                          rect.y + rect.height - 1 );
 970         else
 971             dc.DrawLine( rect.x - 1,
 972                          rect.y + rect.height,
 973                          rect.x + rect.width + 1,
 974                          rect.y + rect.height );
 975     }
 976     else
 977     if ( alignment == FL_ALIGN_LEFT )
 978     {
 979         if ( level == 0 )
 980
 981             dc.DrawLine( rect.x,
 982                          rect.y,
 983                          rect.x,
 984                          rect.y + rect.height - 1 );
 985         else
 986             dc.DrawLine( rect.x - 1,
 987                          rect.y - 1,
 988                          rect.x - 1,
 989                          rect.y + rect.height );
 990     }
 991     else
 992     if ( alignment == FL_ALIGN_RIGHT )
 993     {
 994         if ( level == 0 )
 995
 996             dc.DrawLine( rect.x + rect.width - 1,
 997                          rect.y,
 998                          rect.x + rect.width - 1,
 999                          rect.y + rect.height );
1000         else
1001         {
1002             dc.DrawLine( rect.x + rect.width,
1003                          rect.y - 1,
1004                          rect.x + rect.width,
1005                          rect.y + rect.height + 1  );
1006         }
1007     }
1008 }
1009
1010 void cbPaneDrawPlugin::DrawShade1( int level, wxRect& rect, int alignment, wxDC& dc )
1011 {
1012     // simulates "guled-bricks" appearence of control bars
1013
1014     if ( ( alignment == FL_ALIGN_TOP    && level == 1 ) ||
1015          ( alignment == FL_ALIGN_BOTTOM && level == 0 ) ||
1016          ( alignment == FL_ALIGN_LEFT   && level == 1 ) ||
1017          ( alignment == FL_ALIGN_RIGHT  && level == 0 )
1018        )
1019
1020         dc.SetPen( mpLayout->mDarkPen  );
1021     else
1022         dc.SetPen( mpLayout->mLightPen );
1023
1024     if ( alignment == FL_ALIGN_TOP )
1025     {
1026         if ( level == 0 )
1027
1028             dc.DrawLine( rect.x,
1029                          rect.y,
1030                          rect.x + rect.width,
1031                          rect.y );
1032         else
1033             dc.DrawLine( rect.x,
1034                          rect.y - 1,
1035                          rect.x + rect.width,
1036                          rect.y - 1 );
1037     }
1038     else
1039     if ( alignment == FL_ALIGN_BOTTOM )
1040     {
1041         if ( level == 0 )
1042
1043             dc.DrawLine( rect.x,
1044                          rect.y + rect.height - 1,
1045                          rect.x + rect.width,
1046                          rect.y + rect.height - 1 );
1047         else
1048             dc.DrawLine( rect.x,
1049                          rect.y + rect.height,
1050                          rect.x + rect.width,
1051                          rect.y + rect.height );
1052     }
1053     else
1054     if ( alignment == FL_ALIGN_LEFT )
1055     {
1056         if ( level == 0 )
1057
1058             dc.DrawLine( rect.x,
1059                          rect.y,
1060                          rect.x,
1061                          rect.y + rect.height );
1062         else
1063             dc.DrawLine( rect.x - 1,
1064                          rect.y,
1065                          rect.x - 1,
1066                          rect.y + rect.height );
1067     }
1068     else
1069     if ( alignment == FL_ALIGN_RIGHT )
1070     {
1071         if ( level == 0 )
1072
1073             dc.DrawLine( rect.x + rect.width - 1,
1074                          rect.y,
1075                          rect.x + rect.width - 1,
1076                          rect.y + rect.height );
1077         else
1078         {
1079             dc.DrawLine( rect.x + rect.width,
1080                          rect.y ,
1081                          rect.x + rect.width,
1082                          rect.y + rect.height );
1083         }
1084     }
1085 }
1086
1087 void cbPaneDrawPlugin::DrawPaneShade( wxDC& dc, int alignment )
1088 {
1089     if ( !mpPane->mProps.mShow3DPaneBorderOn ) return;
1090
1091     wxRect bounds = mpPane->mBoundsInParent;
1092
1093     bounds.x      += mpPane->mLeftMargin;
1094     bounds.y      += mpPane->mTopMargin;
1095     bounds.width  -= ( mpPane->mLeftMargin + mpPane->mRightMargin  );
1096     bounds.height -= ( mpPane->mTopMargin  + mpPane->mBottomMargin );
1097
1098     DrawShade( 0, bounds, alignment, dc );
1099     DrawShade( 1, bounds, alignment, dc );
1100 }
1101
1102 void cbPaneDrawPlugin::DrawPaneShadeForRow( cbRowInfo* pRow, wxDC& dc )
1103 {
1104     if ( !mpPane->mProps.mShow3DPaneBorderOn ) return;
1105
1106     // do not draw decoration, if pane has "vainished"
1107     if ( mpPane->mPaneWidth  < 0 ||
1108          mpPane->mPaneHeight < 0 )
1109
1110          return;
1111
1112     wxRect bounds = pRow->mBoundsInParent;
1113
1114     if ( mpPane->mAlignment == FL_ALIGN_TOP ||
1115          mpPane->mAlignment == FL_ALIGN_BOTTOM )
1116     {
1117         --bounds.y;
1118         bounds.height += 2;
1119
1120         DrawShade1( 0, bounds, FL_ALIGN_LEFT, dc );
1121         DrawShade1( 1, bounds, FL_ALIGN_LEFT, dc );
1122         DrawShade1( 0, bounds, FL_ALIGN_RIGHT, dc );
1123         DrawShade1( 1, bounds, FL_ALIGN_RIGHT, dc );
1124
1125         if ( !pRow->mpNext )
1126             DrawPaneShade( dc, FL_ALIGN_BOTTOM );
1127
1128         if ( !pRow->mpPrev )
1129             DrawPaneShade( dc, FL_ALIGN_TOP );
1130     }
1131     else
1132     {
1133         --bounds.x;
1134         bounds.width += 2;
1135
1136         DrawShade1( 0, bounds, FL_ALIGN_TOP, dc );
1137         DrawShade1( 1, bounds, FL_ALIGN_TOP, dc );
1138         DrawShade1( 0, bounds, FL_ALIGN_BOTTOM, dc );
1139         DrawShade1( 1, bounds, FL_ALIGN_BOTTOM, dc );
1140
1141         if ( !pRow->mpNext )
1142             DrawPaneShade( dc, FL_ALIGN_RIGHT );
1143
1144         if ( !pRow->mpPrev )
1145             DrawPaneShade( dc, FL_ALIGN_LEFT );
1146     }
1147 }
1148
1149 void cbPaneDrawPlugin::OnDrawPaneDecorations( cbDrawPaneDecorEvent& event )
1150 {
1151     wxDC& dc = *event.mpDc;
1152
1153     cbDockPane* pPane = event.mpPane;
1154
1155     RowArrayT& lst = pPane->GetRowList();
1156
1157     // FIXME:: this is a workaround for some glitches
1158
1159     if ( lst.Count() )
1160     {
1161         cbRowInfo* pLastRow = lst[ lst.Count() - 1 ];
1162
1163         pPane->PaintRowBackground( pLastRow,  dc );
1164         pPane->PaintRowDecorations( pLastRow, dc );
1165         pPane->PaintRowHandles( pLastRow, dc );
1166     }
1167
1168     if ( !pPane->mProps.mShow3DPaneBorderOn ) return;
1169
1170     // do not draw decoration, if pane is completely hidden
1171     if ( event.mpPane->mPaneWidth  < 0 ||
1172          event.mpPane->mPaneHeight < 0 )
1173
1174          return;
1175
1176     DrawPaneShade( dc, FL_ALIGN_TOP    );
1177     DrawPaneShade( dc, FL_ALIGN_BOTTOM );
1178     DrawPaneShade( dc, FL_ALIGN_LEFT   );
1179     DrawPaneShade( dc, FL_ALIGN_RIGHT  );
1180
1181     event.Skip(); // pass event to the next plugin
1182 }
1183
1184 // bar decoration/sizing handlers
1185
1186 void cbPaneDrawPlugin::OnDrawBarDecorations( cbDrawBarDecorEvent& event )
1187 {
1188 //    cbBarInfo* pBar = event.mpBar;
1189     wxDC&   dc      = *event.mpDc;
1190
1191     // draw brick borders
1192
1193     wxRect& rect = event.mBoundsInParent;
1194
1195     dc.SetPen( mpLayout->mLightPen );
1196
1197     // horiz
1198     dc.DrawLine( rect.x, rect.y,
1199                  rect.x + rect.width-1, rect.y );
1200
1201     // vert
1202     dc.DrawLine( rect.x, rect.y,
1203                  rect.x, rect.y + rect.height-1 );
1204
1205
1206     dc.SetPen( mpLayout->mDarkPen );
1207
1208     // vert
1209     dc.DrawLine( rect.x + rect.width-1, rect.y,
1210                  rect.x + rect.width-1, rect.y + rect.height-1 );
1211
1212     // horiz
1213     dc.DrawLine( rect.x, rect.y + rect.height-1,
1214                  rect.x + rect.width, rect.y + rect.height-1 );
1215
1216     event.Skip(); // pass event to the next plugin
1217 }
1218
1219 void cbPaneDrawPlugin::OnDrawBarHandles( cbDrawBarHandlesEvent& event )
1220 {
1221     // short-cuts
1222     cbBarInfo* pBar = event.mpBar;
1223     wxDC&   dc      = *event.mpDc;
1224     mpPane          = event.mpPane;
1225
1226     // draw handles around the bar if present
1227
1228     if ( pBar->mHasLeftHandle ||
1229          pBar->mHasRightHandle )
1230     {
1231         wxRect& bounds = pBar->mBoundsInParent;
1232
1233         if ( mpPane->IsHorizontal() )
1234         {
1235             if ( pBar->mHasLeftHandle )
1236
1237                 mpPane->DrawVertHandle( dc, bounds.x - mpPane->mProps.mResizeHandleSize -1,
1238                                         bounds.y, bounds.height );
1239
1240             if ( pBar->mHasRightHandle )
1241
1242                 mpPane->DrawVertHandle( dc,
1243                                         bounds.x + bounds.width -1,
1244                                         bounds.y, bounds.height );
1245         }
1246         else
1247         {
1248             if ( pBar->mHasLeftHandle )
1249
1250                 mpPane->DrawHorizHandle( dc, bounds.x,
1251                                          bounds.y  - mpPane->mProps.mResizeHandleSize - 1,
1252                                          bounds.width );
1253
1254             if ( pBar->mHasRightHandle )
1255
1256                 mpPane->DrawHorizHandle( dc, bounds.x,
1257                                          bounds.y + bounds.height - 1,
1258                                          bounds.width );
1259         }
1260     }
1261
1262     event.Skip(); // pass event to the next plugin
1263 }
1264
1265 void cbPaneDrawPlugin::OnStartDrawInArea( cbStartDrawInAreaEvent& event )
1266 {
1267     // DBG::
1268     wxASSERT( mpClntDc == NULL );
1269
1270     // FOR NOW:: create/destroy client-dc upon each drawing
1271     mpClntDc = new wxClientDC( &mpLayout->GetParentFrame() );
1272
1273     (*event.mppDc) = mpClntDc;
1274
1275     mpClntDc->SetClippingRegion( event.mArea.x,     event.mArea.y,
1276                                  event.mArea.width, event.mArea.height );
1277 }
1278
1279 void cbPaneDrawPlugin::OnFinishDrawInArea( cbFinishDrawInAreaEvent& WXUNUSED(event) )
1280 {
1281     // DBG::
1282     wxASSERT( mpClntDc );
1283
1284     delete mpClntDc;
1285
1286     mpClntDc = NULL;
1287 }
1288