contrib/src/fl/panedrawpl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        No names yet.
   3 // Purpose:     Contrib. demo
   4 // Author:      Aleksandras Gluchovas
   5 // Modified by:
   6 // Created:     06/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Aleksandras Gluchovas
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13     #pragma implementation "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                                         mpLayout->GetParentFrame().SetCursor( *mpLayout->mpNormalCursor );
 283                                 }
 284
 285                                 // TBD:: fire something like "mouse-over-bar" event
 286
 287                                 event.Skip(); // pass event to the next handler in the chain
 288                                 return;
 289                         }
 290
 291                         wxCursor* pCurs = NULL;
 292
 293                         if ( testResult == CB_UPPER_ROW_HANDLE_HITTED ||
 294                                  testResult == CB_LOWER_ROW_HANDLE_HITTED)
 295                         {
 296                                 if ( event.mpPane->IsHorizontal() )
 297
 298                                         pCurs = mpLayout->mpVertCursor;
 299                                 else
 300                                         pCurs = mpLayout->mpHorizCursor;
 301
 302                                 mRowHandleHitted = TRUE;
 303                                 mIsUpperHandle    = ( testResult == CB_UPPER_ROW_HANDLE_HITTED );
 304                         }
 305                         else
 306                         {
 307                                 // otherwise, if inter-bar handle was hitted
 308
 309                                 if ( event.mpPane->IsHorizontal() )
 310
 311                                         pCurs = mpLayout->mpHorizCursor;
 312                                 else
 313                                         pCurs = mpLayout->mpVertCursor;
 314
 315                                 mBarHandleHitted = TRUE;
 316                                 mIsLeftHandle    = ( testResult == CB_LEFT_BAR_HANDLE_HITTED );
 317                         }
 318
 319                         // avoid setting the same cursor twice
 320
 321                         if ( !mResizeCursorOn || prevWasRowHandle != mRowHandleHitted )
 322                         {
 323                                 if ( !mResizeCursorOn )
 324                                 {
 325                                         // caputre if not captured yet
 326                                         mpLayout->CaptureEventsForPane( event.mpPane );
 327                                         mpLayout->CaptureEventsForPlugin( this );
 328                                 }
 329
 330                                 mpLayout->GetParentFrame().SetCursor( *pCurs );
 331                         }
 332
 333                         mResizeCursorOn = TRUE;
 334
 335                         // handled is being dragged now, thus event is "eaten" by this plugin
 336
 337                         return;
 338
 339                 } // end of if (HitTestBarHandles())
 340
 341                 // restore cursor, if non of the handles were hit
 342                 if ( mResizeCursorOn )
 343                 {
 344                         mpLayout->ReleaseEventsFromPane( event.mpPane );
 345                         mpLayout->ReleaseEventsFromPlugin( this );
 346
 347                         mpLayout->GetParentFrame().SetCursor( *mpLayout->mpNormalCursor );
 348
 349                         mResizeCursorOn = FALSE;
 350                 }
 351
 352                 event.Skip(); // pass event to the next plugin
 353         }
 354
 355         // othewise series of actions, if something has already started
 356
 357         else
 358         if ( mResizeStarted )
 359         {
 360                 // apply xor-mask twice
 361                 DrawDraggedHandle( mPrevPos,   *event.mpPane );
 362
 363                 // draw handle in the new position
 364                 DrawDraggedHandle( event.mPos, *event.mpPane );
 365                 mPrevPos = event.mPos;
 366
 367                 // handled is dragged, thus event is "eaten" by this plugin
 368         }
 369         else
 370                 event.Skip(); // pass event to the next plugin
 371 }
 372
 373 void cbPaneDrawPlugin::OnLDblClick( cbLeftDClickEvent& event )
 374 {
 375         if ( !mResizeCursorOn )
 376         {
 377                 cbBarInfo* pBarToFloat;
 378
 379                 if ( event.mpPane->HitTestPaneItems( event.mPos,          // in pane's coordiantes
 380                                                                                      &mpResizedRow,
 381                                                                                          &pBarToFloat ) == CB_BAR_CONTENT_HITTED
 382                    )
 383                         {
 384                         return;
 385                         }
 386
 387                 event.Skip();
 388         }
 389 }
 390
 391 void cbPaneDrawPlugin::OnLButtonDown( cbLeftDownEvent& event )
 392 {
 393         wxASSERT( !mResizeStarted );
 394
 395         if ( mResizeCursorOn )
 396         {
 397                 mResizeStarted = TRUE;
 398                 mDragOrigin    = event.mPos;
 399
 400                 // setup constraints for the dragging handle
 401
 402                 int from, till;
 403                 mHandleOfs        = 0;
 404                 mHandleIsVertical = FALSE;
 405
 406                 if ( mRowHandleHitted )
 407
 408                         event.mpPane->GetRowResizeRange( mpResizedRow, &from, &till, mIsUpperHandle );
 409                 else
 410                         // otherwise if bar handle was hitted
 411                         event.mpPane->GetBarResizeRange( mpDraggedBar, &from, &till, mIsLeftHandle );
 412
 413                 if ( mRowHandleHitted )
 414                 {
 415                         mHandleIsVertical = ( event.mpPane->IsHorizontal() ) ? FALSE : TRUE;
 416
 417                         mHandleDragArea.x      = 0;
 418                         mHandleDragArea.width  = event.mpPane->mPaneWidth;
 419
 420                         mHandleDragArea.y      = from;
 421                         mHandleDragArea.height = till - from;
 422
 423                         if ( mIsUpperHandle )
 424
 425                                 mHandleOfs = mpResizedRow->mRowY;
 426                         else
 427                                 mHandleOfs = mpResizedRow->mRowY +
 428                                              mpResizedRow->mRowHeight -
 429                                                          event.mpPane->mProps.mResizeHandleSize;
 430                 }
 431                 else
 432                 {
 433                         // otehrwise if bar handle dragged
 434
 435 //                      cbRowInfo& rowInfo     = *mpDraggedBar->mpRow;
 436                         wxRect& bounds         = mpDraggedBar->mBounds;
 437
 438                         mHandleIsVertical = ( event.mpPane->IsHorizontal() ) ? TRUE : FALSE;
 439
 440                         mHandleDragArea.x      = from;
 441                         mHandleDragArea.width  = till - from;
 442
 443
 444                         mHandleDragArea.y      = bounds.y;
 445                         mHandleDragArea.height = bounds.height;
 446
 447                         // left-side-handle mBounds
 448                         if ( mIsLeftHandle )
 449
 450                                 mHandleOfs = bounds.x;
 451                         else
 452                                 mHandleOfs = bounds.x +
 453                                                          bounds.width - event.mpPane->mProps.mResizeHandleSize;
 454
 455                 }
 456
 457                 event.mpPane->PaneToFrame( &mHandleDragArea );
 458                 DrawDraggedHandle(mDragOrigin, *event.mpPane);
 459
 460                 mPrevPos = mDragOrigin;
 461
 462                 return;
 463                 // handled is dragged, thus event is "eaten" by this plugin
 464         }
 465         else
 466         {
 467                 cbBarInfo* pDraggedBar;
 468
 469                 if ( event.mpPane->HitTestPaneItems( event.mPos,          // in pane's coordiantes
 470                                                                                      &mpResizedRow,
 471                                                                                          &pDraggedBar ) == CB_BAR_CONTENT_HITTED
 472                    )
 473                 {
 474                         int x = event.mPos.x,
 475                             y = event.mPos.y;
 476
 477                         event.mpPane->PaneToFrame( &x, &y );
 478
 479                         cbStartBarDraggingEvent dragEvt( pDraggedBar, wxPoint(x,y), event.mpPane );
 480
 481                         mpLayout->FirePluginEvent( dragEvt );
 482
 483                         return; // event is "eaten" by this plugin
 484                 }
 485         }
 486
 487         event.Skip(); // pass event to the next plugin in the chain
 488 }
 489
 490 void cbPaneDrawPlugin::OnLButtonUp( cbLeftUpEvent& event )
 491 {
 492         if ( mResizeStarted )
 493         {
 494                 DrawDraggedHandle( event.mPos, *event.mpPane );
 495
 496                 mResizeStarted  = FALSE;
 497                 mResizeCursorOn = FALSE;
 498
 499                 mpLayout->ReleaseEventsFromPane( event.mpPane );
 500                 mpLayout->ReleaseEventsFromPlugin( this );
 501
 502                 mpLayout->GetParentFrame().SetCursor( *mpLayout->mpNormalCursor );
 503
 504                 if ( mRowHandleHitted )
 505                 {
 506                         event.mpPane->ResizeRow( mpResizedRow,
 507                                                                          mDraggedDelta,
 508                                                                          mIsUpperHandle );
 509                 }
 510                 else
 511                 {
 512                         event.mpPane->ResizeBar( mpDraggedBar,
 513                                                                      mDraggedDelta,
 514                                                                          mIsLeftHandle );
 515                 }
 516
 517                 mpDraggedBar = NULL;
 518                 mpResizedRow = NULL;
 519
 520                 // handled dragging action was finished by this mouse-up,
 521                 // thus event is "eaten" by this plugin
 522
 523                 return;
 524         }
 525
 526         event.Skip(); // pass event to the next plugin
 527 }
 528
 529 void cbPaneDrawPlugin::OnRButtonUp( cbRightUpEvent&   event )
 530 {
 531         wxPoint fpos = event.mPos;
 532         event.mpPane->PaneToFrame( &fpos.x, &fpos.y );
 533
 534         cbBarInfo* pDraggedBar;
 535
 536         // user clicks inside the bar contnet, fire bar-customization event
 537
 538         if ( event.mpPane->HitTestPaneItems( event.mPos,          // in pane's coordiantes
 539                                                                                  &mpResizedRow,
 540                                                                                  &pDraggedBar  ) == CB_BAR_CONTENT_HITTED
 541            )
 542         {
 543                 cbCustomizeBarEvent cbEvt( pDraggedBar, fpos, event.mpPane );
 544
 545                 mpLayout->FirePluginEvent( cbEvt );
 546
 547                 return; // event is "eaten" by this plugin
 548         }
 549
 550         // otherwise fire whole-layout customization event
 551
 552         cbCustomizeLayoutEvent csEvt( fpos );
 553
 554         mpLayout->FirePluginEvent( csEvt );
 555
 556         // event is "eaten" by this plugin
 557 }
 558
 559 void cbPaneDrawPlugin::OnSizeBarWindow( cbSizeBarWndEvent& event )
 560 {
 561         cbBarInfo& bar = *event.mpBar;
 562         mpPane         = event.mpPane;
 563
 564         // it's possible that a bar does not have it's own window!
 565         if ( !bar.mpBarWnd ) return;
 566
 567         wxRect& bounds = event.mBoundsInParent;
 568
 569         // check visibility
 570         if ( bounds.height != 0 )
 571         {
 572                 // size smaller than bounds, to leave space for shade lines
 573
 574                 // FIXME:: +/- 1s
 575
 576                 bar.mpBarWnd->wxWindow::SetSize( bounds.x      + 1 + bar.mDimInfo.mHorizGap,
 577                                                                                  bounds.y      + 1 + bar.mDimInfo.mVertGap,
 578                                                                                  bounds.width  - 2 - bar.mDimInfo.mHorizGap*2,
 579                                                                                  bounds.height - 2 - bar.mDimInfo.mVertGap *2 ,
 580                                                                                  0
 581                                                                            );
 582
 583                 if ( !bar.mpBarWnd->IsShown() )
 584
 585                         bar.mpBarWnd->Show( TRUE );
 586         }
 587         else
 588                 // hide bar if not visible
 589                 bar.mpBarWnd->Show( FALSE );
 590
 591         event.Skip(); // pass event to the next plugin in the chain
 592 }
 593
 594 void cbPaneDrawPlugin::OnDrawRowDecorations( cbDrawRowDecorEvent& event )
 595 {
 596         DrawPaneShadeForRow( event.mpRow, *event.mpDc );
 597
 598         event.Skip(); // pass event to the next plugin
 599 }
 600
 601 void cbPaneDrawPlugin::DrawUpperRowHandle( cbRowInfo* pRow, wxDC& dc )
 602 {
 603         wxRect& bounds = pRow->mBoundsInParent;
 604
 605         if ( mpPane->IsHorizontal() )
 606         {
 607                  if ( pRow->mHasUpperHandle )
 608
 609                         mpPane->DrawHorizHandle( dc, bounds.x,
 610                                                                          bounds.y-1,
 611                                                                          pRow->mRowWidth );
 612         }
 613         else
 614         {
 615                 if ( pRow->mHasUpperHandle )
 616
 617                         mpPane->DrawVertHandle( dc, bounds.x-1,
 618                                                                         bounds.y, pRow->mRowWidth );
 619         }
 620 }
 621
 622 void cbPaneDrawPlugin::DrawLowerRowHandle( cbRowInfo* pRow, wxDC& dc )
 623 {
 624         wxRect& bounds = pRow->mBoundsInParent;
 625
 626         // check if iter-row handles present
 627
 628         if ( mpPane->IsHorizontal() )
 629         {
 630                 if ( pRow->mHasLowerHandle )
 631
 632                         mpPane->DrawHorizHandle( dc, bounds.x, bounds.y + bounds.height - mpPane->mProps.mResizeHandleSize - 1,
 633                                                                          pRow->mRowWidth );
 634         }
 635         else
 636         {
 637                 if ( pRow->mHasLowerHandle )
 638
 639                         mpPane->DrawVertHandle( dc, bounds.x + bounds.width - mpPane->mProps.mResizeHandleSize - 1,
 640                                                                         bounds.y, pRow->mRowWidth );
 641         }
 642 }
 643
 644 void cbPaneDrawPlugin::OnDrawRowHandles( cbDrawRowHandlesEvent& event )
 645 {
 646         // short-cuts
 647         cbRowInfo* pRow = event.mpRow;
 648         wxDC&   dc      = *event.mpDc;
 649         mpPane          = event.mpPane;
 650
 651         // draw handles of surrounding rows first
 652
 653         if ( pRow->mpPrev && pRow->mpPrev->mHasLowerHandle )
 654
 655                         DrawLowerRowHandle( pRow->mpPrev, dc );
 656
 657         if ( pRow->mpNext && pRow->mpNext->mHasUpperHandle )
 658
 659                 DrawUpperRowHandle( pRow->mpNext, dc );
 660
 661         // draw handles of the given row
 662
 663         if ( pRow->mHasUpperHandle )
 664
 665                 DrawUpperRowHandle( pRow, dc );
 666
 667         if ( pRow->mHasLowerHandle )
 668
 669                 DrawLowerRowHandle( pRow, dc );
 670
 671         event.Skip(); // pass event to the next plugin
 672 }
 673
 674 void cbPaneDrawPlugin::OnDrawPaneBackground ( cbDrawPaneBkGroundEvent& event )
 675 {
 676         wxDC& dc = *event.mpDc;
 677         mpPane   = event.mpPane;
 678
 679         // FOR NOW:: hard-coded
 680         wxBrush bkBrush( mpLayout->mBorderPen.GetColour(), wxSOLID );
 681
 682         dc.SetBrush( bkBrush );
 683         dc.SetPen( mpLayout->mNullPen );
 684
 685         wxRect& bounds = mpPane->mBoundsInParent;
 686
 687         if ( mpPane->mTopMargin >= 1 )
 688
 689                 dc.DrawRectangle( bounds.x, bounds.y,
 690                                                   bounds.width+1,
 691                                                   mpPane->mTopMargin + 1);
 692
 693
 694         if ( mpPane->mBottomMargin >= 1 )
 695
 696                 dc.DrawRectangle( bounds.x,
 697                                                   bounds.y + bounds.height - mpPane->mBottomMargin,
 698                                                   bounds.width + 1,
 699                                                   mpPane->mBottomMargin + 1);
 700
 701
 702         if ( mpPane->mLeftMargin >= 1 )
 703
 704                 dc.DrawRectangle( bounds.x,
 705                                                   bounds.y + mpPane->mTopMargin - 1,
 706                                                   mpPane->mLeftMargin + 1,
 707                                                   bounds.height - mpPane->mTopMargin - mpPane->mBottomMargin + 2);
 708
 709
 710         if ( mpPane->mRightMargin >= 1 )
 711
 712                 dc.DrawRectangle( bounds.x + bounds.width - mpPane->mRightMargin,
 713                                                   bounds.y + mpPane->mTopMargin - 1,
 714                                                   mpPane->mRightMargin + 1,
 715                                                   bounds.height - mpPane->mTopMargin - mpPane->mBottomMargin + 2);
 716
 717         event.Skip(); // pass event to the next plugin
 718 }
 719
 720 void cbPaneDrawPlugin::OnDrawRowBackground ( cbDrawRowBkGroundEvent& event )
 721 {
 722         // short-cuts
 723         cbRowInfo* pRow = event.mpRow;
 724         wxDC&   dc      = *event.mpDc;
 725         mpPane          = event.mpPane;
 726
 727         // get ready
 728         wxRect     rowBounds    = pRow->mBoundsInParent;
 729         bool       isHorizontal = event.mpPane->IsHorizontal();
 730
 731 //      int prevPos;
 732
 733         if ( isHorizontal )
 734         {
 735 //              prevPos = rowBounds.x;
 736                 // include one line above and below the row
 737                 --rowBounds.y;
 738                 rowBounds.height += 2;
 739
 740                 --rowBounds.x;
 741                 rowBounds.width  += 2;
 742         }
 743         else
 744         {
 745 //              prevPos = rowBounds.y;
 746                 // include one line above and below the row
 747                 --rowBounds.x;
 748                 rowBounds.width  += 2;
 749
 750                 --rowBounds.y;
 751                 rowBounds.height += 2;
 752         }
 753
 754 //#define TEST_BK_ERASING
 755
 756 #ifdef TEST_BK_ERASING
 757
 758         // DBG::
 759         wxBrush br0( wxColour(0,160,160), wxSOLID );
 760         dc.SetBrush(br0);
 761         dc.SetPen  ( mpLayout->mNullPen );
 762         dc.DrawRectangle( rowBounds.x, rowBounds.y,
 763                                   rowBounds.width  + 1,
 764                                           rowBounds.height + 1  );
 765 #endif
 766
 767         wxBrush bkBrush( mpLayout->mGrayPen.GetColour(), wxSOLID );
 768
 769         dc.SetPen  ( mpLayout->mNullPen );
 770         dc.SetBrush( bkBrush );
 771
 772         // fill background-recatangle of entire row area
 773         dc.DrawRectangle( rowBounds.x, rowBounds.y,
 774                                   rowBounds.width  + 1,
 775                                           rowBounds.height + 1  );
 776
 777         dc.SetBrush( wxNullBrush );
 778
 779         // draw "shaded-side-bars" for each bar
 780         for( size_t i = 0; i != pRow->mBars.Count(); ++i )
 781         {
 782                 wxRect& bounds = pRow->mBars[i]->mBoundsInParent;
 783
 784                 if ( isHorizontal )
 785                 {
 786                         DrawShade( 1, bounds, FL_ALIGN_LEFT, dc );
 787                         DrawShade( 1, bounds, FL_ALIGN_RIGHT, dc );
 788                 }
 789                 else
 790                 {
 791                         DrawShade( 1, bounds, FL_ALIGN_TOP, dc );
 792                         DrawShade( 1, bounds, FL_ALIGN_BOTTOM, dc );
 793                 }
 794         }
 795
 796         // draw extra shades to simulate "glued-bricks" effect
 797
 798         // TBD:: reduce exessive drawing of shades, when the
 799         //       row handle is present, and shades will be overr-drawn anyway
 800
 801         DrawUpperRowShades( pRow, dc, 1 ); // outer shade
 802
 803         if ( pRow->mpPrev )
 804         {
 805                 DrawLowerRowShades( pRow->mpPrev, dc, 1 ); // outter shade
 806                 DrawLowerRowShades( pRow->mpPrev, dc, 0 ); // inner shade
 807         }
 808
 809         DrawLowerRowShades( pRow, dc, 1 );
 810
 811         if ( pRow->mpNext )
 812         {
 813                 DrawUpperRowShades( pRow->mpNext, dc, 1 );
 814                 DrawUpperRowShades( pRow->mpNext, dc, 0 );
 815         }
 816
 817         event.Skip(); // pass event to the next plugin
 818 }
 819
 820 void cbPaneDrawPlugin::DrawUpperRowShades( cbRowInfo* pRow, wxDC& dc, int level )
 821 {
 822         for( size_t i = 0; i != pRow->mBars.Count(); ++i )
 823         {
 824                 wxRect& bounds = pRow->mBars[i]->mBoundsInParent;
 825
 826                 if ( mpPane->IsHorizontal() )
 827                 {
 828                         DrawShade( level, bounds, FL_ALIGN_TOP, dc );
 829                         if ( level == 1 )
 830                         {
 831                                 dc.SetPen( mpLayout->mDarkPen );
 832                                 dc.DrawPoint( bounds.x - 1, bounds.y );
 833                                 dc.SetPen( mpLayout->mLightPen );
 834                                 dc.DrawPoint( bounds.x + bounds.width , bounds.y );
 835                         }
 836                 }
 837                 else
 838                 {
 839                         DrawShade( level, bounds, FL_ALIGN_LEFT, dc );
 840                         if ( level == 1 )
 841                         {
 842                                 dc.SetPen( mpLayout->mDarkPen );
 843                                 dc.DrawPoint( bounds.x, bounds.y -1 );
 844                                 dc.SetPen( mpLayout->mLightPen );
 845                                 dc.DrawPoint( bounds.x, bounds.y + bounds.height );
 846                         }
 847                 }
 848         }
 849 }
 850
 851 void cbPaneDrawPlugin::DrawLowerRowShades( cbRowInfo* pRow, wxDC& dc, int level )
 852 {
 853         for( size_t i = 0; i != pRow->mBars.Count(); ++i )
 854         {
 855                 wxRect& bounds = pRow->mBars[i]->mBoundsInParent;
 856
 857                 if ( mpPane->IsHorizontal() )
 858                 {
 859                         DrawShade( level, bounds, FL_ALIGN_BOTTOM, dc );
 860                         if ( level == 1 )
 861                         {
 862                                 dc.SetPen( mpLayout->mDarkPen );
 863                                 dc.DrawPoint( bounds.x - 1, bounds.y + bounds.height -1 );
 864                                 dc.SetPen( mpLayout->mLightPen );
 865                                 dc.DrawPoint( bounds.x + bounds.width , bounds.y + bounds.height -1 );
 866                         }
 867                 }
 868                 else
 869                 {
 870                         DrawShade( level, bounds, FL_ALIGN_RIGHT, dc );
 871                         if ( level == 1 )
 872                         {
 873                                 dc.SetPen( mpLayout->mDarkPen );
 874                                 dc.DrawPoint( bounds.x + bounds.width - 1, bounds.y -1 );
 875                                 dc.SetPen( mpLayout->mLightPen );
 876                                 dc.DrawPoint( bounds.x + bounds.width - 1, bounds.y + bounds.height );
 877                         }
 878                 }
 879         }
 880 }
 881
 882 void cbPaneDrawPlugin::DrawBarInnerShadeRect( cbBarInfo* pBar, wxDC& dc )
 883 {
 884         wxRect& bounds = pBar->mBoundsInParent;
 885
 886         dc.SetPen( mpLayout->mDarkPen );
 887
 888         dc.DrawLine( bounds.x + bounds.width - 1,
 889                          bounds.y,
 890                                  bounds.x + bounds.width - 1,
 891                                  bounds.y + bounds.height );
 892
 893         dc.DrawLine( bounds.x,
 894                                  bounds.y + bounds.height - 1,
 895                                  bounds.x + bounds.width,
 896                                  bounds.y + bounds.height -1  );
 897
 898         dc.SetPen( mpLayout->mLightPen );
 899
 900         dc.DrawLine( bounds.x,
 901                                  bounds.y,
 902                                  bounds.x + bounds.width - 1,
 903                                  bounds.y );
 904
 905         dc.DrawLine( bounds.x,
 906                          bounds.y,
 907                                  bounds.x,
 908                                  bounds.y + bounds.height - 1 );
 909 }
 910
 911 void cbPaneDrawPlugin::DrawShade( int level, wxRect& rect, int alignment, wxDC& dc )
 912 {
 913         // simulates "guled-bricks" appearence of control bars
 914
 915         if ( ( alignment == FL_ALIGN_TOP    && level == 1 ) ||
 916                  ( alignment == FL_ALIGN_BOTTOM && level == 0 ) ||
 917                  ( alignment == FL_ALIGN_LEFT   && level == 1 ) ||
 918                  ( alignment == FL_ALIGN_RIGHT  && level == 0 )
 919            )
 920
 921                 dc.SetPen( mpLayout->mDarkPen  );
 922         else
 923                 dc.SetPen( mpLayout->mLightPen );
 924
 925         if ( alignment == FL_ALIGN_TOP )
 926         {
 927                 if ( level == 0 )
 928
 929                         dc.DrawLine( rect.x,
 930                                                  rect.y,
 931                                      rect.x + rect.width - 1,
 932                                                  rect.y );
 933                 else
 934                         dc.DrawLine( rect.x - 1,
 935                                      rect.y - 1,
 936                                                  rect.x + rect.width + 0,
 937                                                  rect.y - 1 );
 938         }
 939         else
 940         if ( alignment == FL_ALIGN_BOTTOM )
 941         {
 942                 if ( level == 0 )
 943
 944                         dc.DrawLine( rect.x,
 945                                                  rect.y + rect.height - 1,
 946                                      rect.x + rect.width,
 947                                                  rect.y + rect.height - 1 );
 948                 else
 949                         dc.DrawLine( rect.x - 1,
 950                                      rect.y + rect.height,
 951                                                  rect.x + rect.width + 1,
 952                                                  rect.y + rect.height );
 953         }
 954         else
 955         if ( alignment == FL_ALIGN_LEFT )
 956         {
 957                 if ( level == 0 )
 958
 959                         dc.DrawLine( rect.x,
 960                                                  rect.y,
 961                                      rect.x,
 962                                                  rect.y + rect.height - 1 );
 963                 else
 964                         dc.DrawLine( rect.x - 1,
 965                                      rect.y - 1,
 966                                                  rect.x - 1,
 967                                                  rect.y + rect.height );
 968         }
 969         else
 970         if ( alignment == FL_ALIGN_RIGHT )
 971         {
 972                 if ( level == 0 )
 973
 974                         dc.DrawLine( rect.x + rect.width - 1,
 975                                                  rect.y,
 976                                      rect.x + rect.width - 1,
 977                                                  rect.y + rect.height );
 978                 else
 979                 {
 980                         dc.DrawLine( rect.x + rect.width,
 981                                      rect.y - 1,
 982                                                  rect.x + rect.width,
 983                                                  rect.y + rect.height + 1  );
 984                 }
 985         }
 986 }
 987
 988 void cbPaneDrawPlugin::DrawShade1( int level, wxRect& rect, int alignment, wxDC& dc )
 989 {
 990         // simulates "guled-bricks" appearence of control bars
 991
 992         if ( ( alignment == FL_ALIGN_TOP    && level == 1 ) ||
 993                  ( alignment == FL_ALIGN_BOTTOM && level == 0 ) ||
 994                  ( alignment == FL_ALIGN_LEFT   && level == 1 ) ||
 995                  ( alignment == FL_ALIGN_RIGHT  && level == 0 )
 996            )
 997
 998                 dc.SetPen( mpLayout->mDarkPen  );
 999         else
1000                 dc.SetPen( mpLayout->mLightPen );
1001
1002         if ( alignment == FL_ALIGN_TOP )
1003         {
1004                 if ( level == 0 )
1005
1006                         dc.DrawLine( rect.x,
1007                                                  rect.y,
1008                                      rect.x + rect.width,
1009                                                  rect.y );
1010                 else
1011                         dc.DrawLine( rect.x,
1012                                      rect.y - 1,
1013                                                  rect.x + rect.width,
1014                                                  rect.y - 1 );
1015         }
1016         else
1017         if ( alignment == FL_ALIGN_BOTTOM )
1018         {
1019                 if ( level == 0 )
1020
1021                         dc.DrawLine( rect.x,
1022                                                  rect.y + rect.height - 1,
1023                                      rect.x + rect.width,
1024                                                  rect.y + rect.height - 1 );
1025                 else
1026                         dc.DrawLine( rect.x,
1027                                      rect.y + rect.height,
1028                                                  rect.x + rect.width,
1029                                                  rect.y + rect.height );
1030         }
1031         else
1032         if ( alignment == FL_ALIGN_LEFT )
1033         {
1034                 if ( level == 0 )
1035
1036                         dc.DrawLine( rect.x,
1037                                                  rect.y,
1038                                      rect.x,
1039                                                  rect.y + rect.height );
1040                 else
1041                         dc.DrawLine( rect.x - 1,
1042                                      rect.y,
1043                                                  rect.x - 1,
1044                                                  rect.y + rect.height );
1045         }
1046         else
1047         if ( alignment == FL_ALIGN_RIGHT )
1048         {
1049                 if ( level == 0 )
1050
1051                         dc.DrawLine( rect.x + rect.width - 1,
1052                                                  rect.y,
1053                                      rect.x + rect.width - 1,
1054                                                  rect.y + rect.height );
1055                 else
1056                 {
1057                         dc.DrawLine( rect.x + rect.width,
1058                                      rect.y ,
1059                                                  rect.x + rect.width,
1060                                                  rect.y + rect.height );
1061                 }
1062         }
1063 }
1064
1065 void cbPaneDrawPlugin::DrawPaneShade( wxDC& dc, int alignment )
1066 {
1067         if ( !mpPane->mProps.mShow3DPaneBorderOn ) return;
1068
1069         wxRect bounds = mpPane->mBoundsInParent;
1070
1071         bounds.x      += mpPane->mLeftMargin;
1072         bounds.y      += mpPane->mTopMargin;
1073         bounds.width  -= ( mpPane->mLeftMargin + mpPane->mRightMargin  );
1074         bounds.height -= ( mpPane->mTopMargin  + mpPane->mBottomMargin );
1075
1076         DrawShade( 0, bounds, alignment, dc );
1077         DrawShade( 1, bounds, alignment, dc );
1078 }
1079
1080 void cbPaneDrawPlugin::DrawPaneShadeForRow( cbRowInfo* pRow, wxDC& dc )
1081 {
1082         if ( !mpPane->mProps.mShow3DPaneBorderOn ) return;
1083
1084         // do not draw decoration, if pane has "vainished"
1085         if ( mpPane->mPaneWidth  < 0 ||
1086                  mpPane->mPaneHeight < 0 )
1087
1088                  return;
1089
1090         wxRect bounds = pRow->mBoundsInParent;
1091
1092         if ( mpPane->mAlignment == FL_ALIGN_TOP ||
1093                  mpPane->mAlignment == FL_ALIGN_BOTTOM )
1094         {
1095                 --bounds.y;
1096                 bounds.height += 2;
1097
1098                 DrawShade1( 0, bounds, FL_ALIGN_LEFT, dc );
1099                 DrawShade1( 1, bounds, FL_ALIGN_LEFT, dc );
1100                 DrawShade1( 0, bounds, FL_ALIGN_RIGHT, dc );
1101                 DrawShade1( 1, bounds, FL_ALIGN_RIGHT, dc );
1102
1103                 if ( !pRow->mpNext )
1104                         DrawPaneShade( dc, FL_ALIGN_BOTTOM );
1105
1106                 if ( !pRow->mpPrev )
1107                         DrawPaneShade( dc, FL_ALIGN_TOP );
1108         }
1109         else
1110         {
1111                 --bounds.x;
1112                 bounds.width += 2;
1113
1114                 DrawShade1( 0, bounds, FL_ALIGN_TOP, dc );
1115                 DrawShade1( 1, bounds, FL_ALIGN_TOP, dc );
1116                 DrawShade1( 0, bounds, FL_ALIGN_BOTTOM, dc );
1117                 DrawShade1( 1, bounds, FL_ALIGN_BOTTOM, dc );
1118
1119                 if ( !pRow->mpNext )
1120                         DrawPaneShade( dc, FL_ALIGN_RIGHT );
1121
1122                 if ( !pRow->mpPrev )
1123                         DrawPaneShade( dc, FL_ALIGN_LEFT );
1124         }
1125 }
1126
1127 void cbPaneDrawPlugin::OnDrawPaneDecorations( cbDrawPaneDecorEvent& event )
1128 {
1129         wxDC& dc = *event.mpDc;
1130
1131         cbDockPane* pPane = event.mpPane;
1132
1133         RowArrayT& lst = pPane->GetRowList();
1134
1135         // FIXME:: this is a workaround for some glitches
1136
1137         if ( lst.Count() )
1138         {
1139                 cbRowInfo* pLastRow = lst[ lst.Count() - 1 ];
1140
1141                 pPane->PaintRowBackground( pLastRow,  dc );
1142                 pPane->PaintRowDecorations( pLastRow, dc );
1143                 pPane->PaintRowHandles( pLastRow, dc );
1144         }
1145
1146         if ( !pPane->mProps.mShow3DPaneBorderOn ) return;
1147
1148         // do not draw decoration, if pane is completely hidden
1149         if ( event.mpPane->mPaneWidth  < 0 ||
1150                  event.mpPane->mPaneHeight < 0 )
1151
1152                  return;
1153
1154         DrawPaneShade( dc, FL_ALIGN_TOP    );
1155         DrawPaneShade( dc, FL_ALIGN_BOTTOM );
1156         DrawPaneShade( dc, FL_ALIGN_LEFT   );
1157         DrawPaneShade( dc, FL_ALIGN_RIGHT  );
1158
1159         event.Skip(); // pass event to the next plugin
1160 }
1161
1162 // bar decoration/sizing handlers
1163
1164 void cbPaneDrawPlugin::OnDrawBarDecorations( cbDrawBarDecorEvent& event )
1165 {
1166 //      cbBarInfo* pBar = event.mpBar;
1167         wxDC&   dc      = *event.mpDc;
1168
1169         // draw brick borders
1170
1171         wxRect& rect = event.mBoundsInParent;
1172
1173         dc.SetPen( mpLayout->mLightPen );
1174
1175         // horiz
1176         dc.DrawLine( rect.x, rect.y,
1177                          rect.x + rect.width-1, rect.y );
1178
1179         // vert
1180         dc.DrawLine( rect.x, rect.y,
1181                          rect.x, rect.y + rect.height-1 );
1182
1183
1184         dc.SetPen( mpLayout->mDarkPen );
1185
1186         // vert
1187         dc.DrawLine( rect.x + rect.width-1, rect.y,
1188                          rect.x + rect.width-1, rect.y + rect.height-1 );
1189
1190         // horiz
1191         dc.DrawLine( rect.x, rect.y + rect.height-1,
1192                                  rect.x + rect.width, rect.y + rect.height-1 );
1193
1194         event.Skip(); // pass event to the next plugin
1195 }
1196
1197 void cbPaneDrawPlugin::OnDrawBarHandles( cbDrawBarHandlesEvent& event )
1198 {
1199         // short-cuts
1200         cbBarInfo* pBar = event.mpBar;
1201         wxDC&   dc      = *event.mpDc;
1202         mpPane          = event.mpPane;
1203
1204         // draw handles around the bar if present
1205
1206         if ( pBar->mHasLeftHandle ||
1207                  pBar->mHasRightHandle )
1208         {
1209                 wxRect& bounds = pBar->mBoundsInParent;
1210
1211                 if ( mpPane->IsHorizontal() )
1212                 {
1213                         if ( pBar->mHasLeftHandle )
1214
1215                                 mpPane->DrawVertHandle( dc, bounds.x - mpPane->mProps.mResizeHandleSize -1,
1216                                                                             bounds.y, bounds.height );
1217
1218                         if ( pBar->mHasRightHandle )
1219
1220                                 mpPane->DrawVertHandle( dc,
1221                                                                             bounds.x + bounds.width -1,
1222                                                                             bounds.y, bounds.height );
1223                 }
1224                 else
1225                 {
1226                         if ( pBar->mHasLeftHandle )
1227
1228                                 mpPane->DrawHorizHandle( dc, bounds.x,
1229                                                                              bounds.y  - mpPane->mProps.mResizeHandleSize - 1,
1230                                                                                  bounds.width );
1231
1232                         if ( pBar->mHasRightHandle )
1233
1234                                 mpPane->DrawHorizHandle( dc, bounds.x,
1235                                                                                  bounds.y + bounds.height - 1,
1236                                                                                  bounds.width );
1237                 }
1238         }
1239
1240         event.Skip(); // pass event to the next plugin
1241 }
1242
1243 void cbPaneDrawPlugin::OnStartDrawInArea( cbStartDrawInAreaEvent& event )
1244 {
1245         // DBG::
1246         wxASSERT( mpClntDc == NULL );
1247
1248         // FOR NOW:: create/destroy client-dc upon each drawing
1249         mpClntDc = new wxClientDC( &mpLayout->GetParentFrame() );
1250
1251         (*event.mppDc) = mpClntDc;
1252
1253         mpClntDc->SetClippingRegion( event.mArea.x,     event.mArea.y,
1254                                          event.mArea.width, event.mArea.height );
1255 }
1256
1257 void cbPaneDrawPlugin::OnFinishDrawInArea( cbFinishDrawInAreaEvent& event )
1258 {
1259         // DBG::
1260         wxASSERT( mpClntDc );
1261
1262         delete mpClntDc;
1263
1264         mpClntDc = NULL;
1265 }
1266