src/common/tbarbase.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        tbarbase.cpp
   3 // Purpose:     Toolbar base classes
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "tbarbase.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 // For ::UpdateWindow
  28 #ifdef __WINDOWS__
  29 #include <windows.h>
  30 #endif
  31
  32 #if USE_TOOLBAR
  33
  34 #include "wx/tbarbase.h"
  35
  36 #if !USE_SHARED_LIBRARY
  37 IMPLEMENT_DYNAMIC_CLASS(wxToolBarBase, wxControl)
  38 IMPLEMENT_DYNAMIC_CLASS(wxToolBarTool, wxObject)
  39
  40 BEGIN_EVENT_TABLE(wxToolBarBase, wxControl)
  41   EVT_SCROLL(wxToolBarBase::OnScroll)
  42   EVT_SIZE(wxToolBarBase::OnSize)
  43   EVT_IDLE(wxToolBarBase::OnIdle)
  44 END_EVENT_TABLE()
  45 #endif
  46
  47 // Keep a list of all toolbars created, so you can tell whether a toolbar
  48 // is still valid: a tool may have quit the toolbar.
  49 static wxList gs_ToolBars;
  50
  51 wxToolBarTool::wxToolBarTool(int theIndex,
  52                     const wxBitmap& theBitmap1, const wxBitmap& theBitmap2, bool toggle,
  53                     long xPos, long yPos, const wxString& helpS1, const wxString& helpS2)
  54 {
  55   m_toolStyle = wxTOOL_STYLE_BUTTON;
  56   m_clientData = NULL;
  57   m_index = theIndex;
  58   m_isToggle = toggle;
  59   m_toggleState = FALSE;
  60   m_enabled = TRUE;
  61   m_bitmap1 = theBitmap1;
  62   m_bitmap2 = theBitmap2;
  63   m_x = xPos;
  64   m_y = yPos;
  65   m_width = m_height = 0;
  66   m_deleteSecondBitmap = FALSE;
  67   if (m_bitmap1.Ok())
  68   {
  69     m_width = m_bitmap1.GetWidth()+2;
  70     m_height = m_bitmap1.GetHeight()+2;
  71   }
  72   m_shortHelpString = helpS1;
  73   m_longHelpString = helpS2;
  74 }
  75
  76 wxToolBarTool::~wxToolBarTool(void)
  77 {
  78 /*
  79   if (m_deleteSecondBitmap && m_bitmap2)
  80     delete m_bitmap2;
  81 */
  82 }
  83
  84
  85 // class wxToolBar
  86
  87 wxToolBarBase::wxToolBarBase(void) : m_tools(wxKEY_INTEGER)
  88 {
  89   gs_ToolBars.Append(this);
  90
  91   m_tilingDirection = wxVERTICAL;
  92   m_rowsOrColumns = 0;
  93   m_maxWidth = 0;
  94   m_maxHeight = 0;
  95   m_defaultWidth = 16;
  96   m_defaultHeight = 15;
  97   m_xMargin = 0;
  98   m_yMargin = 0;
  99   m_toolPacking = 1;
 100   m_toolSeparation = 5;
 101   m_currentTool = -1;
 102
 103   m_xScrollPixelsPerLine = 0;
 104   m_yScrollPixelsPerLine = 0;
 105   m_xScrollingEnabled = TRUE;
 106   m_yScrollingEnabled = TRUE;
 107   m_xScrollPosition = 0;
 108   m_yScrollPosition = 0;
 109   m_calcScrolledOffset = TRUE;
 110   m_xScrollLines = 0;
 111   m_yScrollLines = 0;
 112   m_xScrollLinesPerPage = 0;
 113   m_yScrollLinesPerPage = 0;
 114 }
 115
 116 wxToolBarBase::~wxToolBarBase ()
 117 {
 118   gs_ToolBars.DeleteObject(this);
 119
 120   for ( wxNode *node = m_tools.First(); node; node = node->Next() )
 121   {
 122     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 123     delete tool;
 124   }
 125 }
 126
 127 // Only allow toggle if returns TRUE
 128 bool wxToolBarBase::OnLeftClick(int toolIndex, bool toggleDown)
 129 {
 130     wxCommandEvent event(wxEVT_COMMAND_TOOL_CLICKED, toolIndex);
 131     event.SetEventObject(this);
 132     event.SetExtraLong((long) toggleDown);
 133
 134     GetEventHandler()->ProcessEvent(event);
 135
 136     return TRUE;
 137 }
 138
 139 // Call when right button down.
 140 void wxToolBarBase::OnRightClick(int toolIndex, long x, long y)
 141 {
 142     wxCommandEvent event(wxEVT_COMMAND_TOOL_RCLICKED, toolIndex);
 143     event.SetEventObject(this);
 144
 145     GetEventHandler()->ProcessEvent(event);
 146 }
 147
 148 // Called when the mouse cursor enters a tool bitmap (no button pressed).
 149 // Argument is -1 if mouse is exiting the toolbar.
 150 void wxToolBarBase::OnMouseEnter ( int toolIndex )
 151 {
 152     wxCommandEvent event(wxEVT_COMMAND_TOOL_ENTER, toolIndex);
 153     event.SetEventObject(this);
 154
 155     GetEventHandler()->ProcessEvent(event);
 156 }
 157
 158 // If pushedBitmap is NULL, a reversed version of bitmap is
 159 // created and used as the pushed/toggled image.
 160 // If toggle is TRUE, the button toggles between the two states.
 161 wxToolBarTool *wxToolBarBase::AddTool(int index, const wxBitmap& bitmap, const wxBitmap& pushedBitmap,
 162              bool toggle, long xPos, long yPos, wxObject *clientData,
 163              const wxString& helpString1, const wxString& helpString2)
 164 {
 165   wxToolBarTool *tool = new wxToolBarTool(index, bitmap, pushedBitmap, toggle, xPos, yPos, helpString1, helpString2);
 166   tool->m_clientData = clientData;
 167
 168   if (xPos > -1)
 169     tool->m_x = xPos;
 170   else
 171     tool->m_x = m_xMargin;
 172
 173   if (yPos > -1)
 174     tool->m_y = yPos;
 175   else
 176     tool->m_y = m_yMargin;
 177
 178   // Calculate reasonable max size in case Layout() not called
 179   if ((tool->m_x + bitmap.GetWidth() + m_xMargin) > m_maxWidth)
 180     m_maxWidth = (tool->m_x + bitmap.GetWidth() + m_xMargin);
 181
 182   if ((tool->m_y + bitmap.GetHeight() + m_yMargin) > m_maxHeight)
 183     m_maxHeight = (tool->m_y + bitmap.GetHeight() + m_yMargin);
 184
 185   m_tools.Append((long)index, tool);
 186   return tool;
 187 }
 188
 189 void wxToolBarBase::AddSeparator ()
 190 {
 191   wxToolBarTool *tool = new wxToolBarTool;
 192   tool->m_toolStyle = wxTOOL_STYLE_SEPARATOR;
 193   m_tools.Append(tool);
 194 }
 195
 196 void wxToolBarBase::ClearTools(void)
 197 {
 198   m_pressedTool = m_currentTool = -1;
 199   wxNode *node = m_tools.First();
 200   while (node)
 201   {
 202     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 203     wxNode *nextNode = node->Next();
 204     delete tool;
 205     delete node;
 206     node = nextNode;
 207   }
 208 }
 209
 210 void wxToolBarBase::EnableTool(int index, bool enable)
 211 {
 212   wxNode *node = m_tools.Find((long)index);
 213   if (node)
 214   {
 215     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 216     if (tool)
 217       tool->m_enabled = enable;
 218   }
 219 }
 220
 221 void wxToolBarBase::ToggleTool(int index, bool toggle)
 222 {
 223 }
 224
 225 void wxToolBarBase::SetToggle(int index, bool value)
 226 {
 227   wxNode *node=m_tools.Find((long)index);
 228   if (node){
 229     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 230     tool->m_isToggle = value;
 231   }
 232 }
 233
 234 bool wxToolBarBase::GetToolState(int index) const
 235 {
 236   wxNode *node = m_tools.Find((long)index);
 237   if (node)
 238   {
 239     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 240     if (tool)
 241     {
 242       return tool->m_toggleState;
 243     }
 244     else return FALSE;
 245   }
 246   else return FALSE;
 247 }
 248
 249 bool wxToolBarBase::GetToolEnabled(int index) const
 250 {
 251   wxNode *node = m_tools.Find((long)index);
 252   if (node)
 253   {
 254     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 255     if (tool)
 256     {
 257       return tool->m_enabled;
 258     }
 259     else return FALSE;
 260   }
 261   else return FALSE;
 262 }
 263
 264 wxObject *wxToolBarBase::GetToolClientData(int index) const
 265 {
 266   wxNode *node = m_tools.Find((long)index);
 267   if (node)
 268   {
 269     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 270     if (tool)
 271     {
 272       return tool->m_clientData;
 273     }
 274     else return NULL;
 275   }
 276   else return NULL;
 277 }
 278
 279 void wxToolBarBase::SetToolShortHelp(int index, const wxString& helpString)
 280 {
 281   wxNode *node=m_tools.Find((long)index);
 282   if (node)
 283   {
 284     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 285     tool->m_shortHelpString = helpString;
 286   }
 287 }
 288
 289 wxString wxToolBarBase::GetToolShortHelp(int index) const
 290 {
 291   wxNode *node=m_tools.Find((long)index);
 292   if (node)
 293   {
 294     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 295     return tool->m_shortHelpString;
 296   }
 297   else
 298     return wxString("");
 299 }
 300
 301 void wxToolBarBase::SetToolLongHelp(int index, const wxString& helpString)
 302 {
 303   wxNode *node=m_tools.Find((long)index);
 304   if (node)
 305   {
 306     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 307     tool->m_longHelpString = helpString;
 308   }
 309 }
 310
 311 wxString wxToolBarBase::GetToolLongHelp(int index) const
 312 {
 313   wxNode *node=m_tools.Find((long)index);
 314   if (node)
 315   {
 316     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 317     return tool->m_longHelpString;
 318   }
 319   else
 320     return wxString("");
 321 }
 322
 323 wxToolBarTool *wxToolBarBase::FindToolForPosition(long x, long y) const
 324 {
 325   wxNode *node = m_tools.First();
 326   while (node)
 327   {
 328     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 329     if ((x >= tool->m_x) && (y >= tool->m_y) &&
 330         (x <= (tool->m_x + tool->GetWidth())) &&
 331         (y <= (tool->m_y + tool->GetHeight())))
 332       return tool;
 333
 334     node = node->Next();
 335   }
 336   return NULL;
 337 }
 338
 339 wxSize wxToolBarBase::GetMaxSize ( void ) const
 340 {
 341   return wxSize(m_maxWidth, m_maxHeight);
 342 }
 343
 344 // Okay, so we've left the tool we're in ... we must check if
 345 // the tool we're leaving was a 'sprung push button' and if so,
 346 // spring it back to the up state.
 347 //
 348 void wxToolBarBase::SetMargins(int x, int y)
 349 {
 350   m_xMargin = x;
 351   m_yMargin = y;
 352 }
 353
 354 void wxToolBarBase::SetToolPacking(int packing)
 355 {
 356   m_toolPacking = packing;
 357 }
 358
 359 void wxToolBarBase::SetToolSeparation(int separation)
 360 {
 361   m_toolSeparation = separation;
 362 }
 363
 364 void wxToolBarBase::Command(wxCommandEvent& event)
 365 {
 366 }
 367
 368 void wxToolBarBase::Layout(void)
 369 {
 370   m_currentRowsOrColumns = 0;
 371   m_lastX = m_xMargin;
 372   m_lastY = m_yMargin;
 373   int maxToolWidth = 0;
 374   int maxToolHeight = 0;
 375   m_maxWidth = 0;
 376   m_maxHeight = 0;
 377
 378   // Find the maximum tool width and height
 379   wxNode *node = m_tools.First();
 380   while (node)
 381   {
 382     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 383     if (tool->GetWidth() > maxToolWidth)
 384       maxToolWidth = (int)tool->GetWidth();
 385     if (tool->GetHeight() > maxToolHeight)
 386       maxToolHeight = (int)tool->GetHeight();
 387     node = node->Next();
 388   }
 389
 390   int separatorSize = m_toolSeparation;
 391
 392   node = m_tools.First();
 393   while (node)
 394   {
 395     wxToolBarTool *tool = (wxToolBarTool *)node->Data();
 396     if (tool->m_toolStyle == wxTOOL_STYLE_SEPARATOR)
 397     {
 398       if (m_tilingDirection == wxHORIZONTAL)
 399       {
 400         if (m_currentRowsOrColumns >= m_rowsOrColumns)
 401           m_lastY += separatorSize;
 402         else
 403           m_lastX += separatorSize;
 404       }
 405       else
 406       {
 407         if (m_currentRowsOrColumns >= m_rowsOrColumns)
 408           m_lastX += separatorSize;
 409         else
 410           m_lastY += separatorSize;
 411       }
 412     }
 413     else if (tool->m_toolStyle == wxTOOL_STYLE_BUTTON)
 414     {
 415       if (m_tilingDirection == wxHORIZONTAL)
 416       {
 417         if (m_currentRowsOrColumns >= m_rowsOrColumns)
 418         {
 419           m_currentRowsOrColumns = 0;
 420           m_lastX = m_xMargin;
 421           m_lastY += maxToolHeight + m_toolPacking;
 422         }
 423         tool->m_x = (long) (m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
 424         tool->m_y = (long) (m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
 425
 426         m_lastX += maxToolWidth + m_toolPacking;
 427       }
 428       else
 429       {
 430         if (m_currentRowsOrColumns >= m_rowsOrColumns)
 431         {
 432           m_currentRowsOrColumns = 0;
 433           m_lastX += (maxToolWidth + m_toolPacking);
 434           m_lastY = m_yMargin;
 435         }
 436         tool->m_x = (long) (m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
 437         tool->m_y = (long) (m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
 438
 439         m_lastY += maxToolHeight + m_toolPacking;
 440       }
 441       m_currentRowsOrColumns ++;
 442     }
 443
 444     if (m_lastX > m_maxWidth)
 445       m_maxWidth = m_lastX;
 446     if (m_lastY > m_maxHeight)
 447       m_maxHeight = m_lastY;
 448
 449     node = node->Next();
 450   }
 451   if (m_tilingDirection == wxVERTICAL)
 452     m_maxWidth += maxToolWidth;
 453   else
 454     m_maxHeight += maxToolHeight;
 455
 456   m_maxWidth += m_xMargin;
 457   m_maxHeight += m_yMargin;
 458 }
 459
 460
 461 // SCROLLING IMPLEMENTATION
 462
 463 /*
 464  * pixelsPerUnitX/pixelsPerUnitY: number of pixels per unit (e.g. pixels per text line)
 465  * noUnitsX/noUnitsY:        : no. units per scrollbar
 466  */
 467 void wxToolBarBase::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY,
 468                int noUnitsX, int noUnitsY,
 469                int xPos, int yPos)
 470 {
 471       m_xScrollPixelsPerLine = pixelsPerUnitX;
 472       m_yScrollPixelsPerLine = pixelsPerUnitY;
 473       m_xScrollLines = noUnitsX;
 474       m_yScrollLines = noUnitsY;
 475
 476       int w, h;
 477       GetSize(&w, &h);
 478
 479       // Recalculate scroll bar range and position
 480     if (m_xScrollLines > 0)
 481         {
 482           m_xScrollPosition = xPos;
 483           SetScrollPos (wxHORIZONTAL, m_xScrollPosition, TRUE);
 484         }
 485     else
 486     {
 487           SetScrollbar(wxHORIZONTAL, 0, 0, 0, FALSE);
 488       m_xScrollPosition = 0;
 489     }
 490
 491     if (m_yScrollLines > 0)
 492         {
 493           m_yScrollPosition = yPos;
 494           SetScrollPos (wxVERTICAL, m_yScrollPosition, TRUE);
 495         }
 496     else
 497     {
 498           SetScrollbar(wxVERTICAL, 0, 0, 0, FALSE);
 499       m_yScrollPosition = 0;
 500     }
 501         AdjustScrollbars();
 502     Refresh();
 503 #ifdef __WINDOWS__
 504     ::UpdateWindow ((HWND) GetHWND());
 505 #endif
 506 }
 507
 508
 509 void wxToolBarBase::OnScroll(wxScrollEvent& event)
 510 {
 511   int orient = event.GetOrientation();
 512
 513   int nScrollInc = CalcScrollInc(event);
 514   if (nScrollInc == 0)
 515     return;
 516
 517   if (orient == wxHORIZONTAL)
 518   {
 519     int newPos = m_xScrollPosition + nScrollInc;
 520     SetScrollPos(wxHORIZONTAL, newPos, TRUE );
 521   }
 522   else
 523   {
 524     int newPos = m_yScrollPosition + nScrollInc;
 525     SetScrollPos(wxVERTICAL, newPos, TRUE );
 526   }
 527
 528   if (orient == wxHORIZONTAL)
 529   {
 530     if (m_xScrollingEnabled)
 531       ScrollWindow(-m_xScrollPixelsPerLine * nScrollInc, 0, NULL);
 532     else
 533       Refresh();
 534   }
 535   else
 536   {
 537     if (m_yScrollingEnabled)
 538       ScrollWindow(0, -m_yScrollPixelsPerLine * nScrollInc, NULL);
 539     else
 540       Refresh();
 541   }
 542
 543   if (orient == wxHORIZONTAL)
 544   {
 545     m_xScrollPosition += nScrollInc;
 546   }
 547   else
 548   {
 549     m_yScrollPosition += nScrollInc;
 550   }
 551
 552 }
 553
 554 int wxToolBarBase::CalcScrollInc(wxScrollEvent& event)
 555 {
 556   int pos = event.GetPosition();
 557   int orient = event.GetOrientation();
 558
 559   int nScrollInc = 0;
 560   switch (event.GetEventType())
 561   {
 562     case wxEVENT_TYPE_SCROLL_TOP:
 563     {
 564       if (orient == wxHORIZONTAL)
 565         nScrollInc = - m_xScrollPosition;
 566       else
 567         nScrollInc = - m_yScrollPosition;
 568       break;
 569     }
 570     case wxEVENT_TYPE_SCROLL_BOTTOM:
 571     {
 572       if (orient == wxHORIZONTAL)
 573         nScrollInc = m_xScrollLines - m_xScrollPosition;
 574       else
 575         nScrollInc = m_yScrollLines - m_yScrollPosition;
 576       break;
 577     }
 578     case wxEVENT_TYPE_SCROLL_LINEUP:
 579     {
 580       nScrollInc = -1;
 581       break;
 582     }
 583     case wxEVENT_TYPE_SCROLL_LINEDOWN:
 584     {
 585       nScrollInc = 1;
 586       break;
 587     }
 588     case wxEVENT_TYPE_SCROLL_PAGEUP:
 589     {
 590       if (orient == wxHORIZONTAL)
 591         nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
 592       else
 593         nScrollInc = -GetScrollPageSize(wxVERTICAL);
 594       break;
 595     }
 596     case wxEVENT_TYPE_SCROLL_PAGEDOWN:
 597     {
 598       if (orient == wxHORIZONTAL)
 599         nScrollInc = GetScrollPageSize(wxHORIZONTAL);
 600       else
 601         nScrollInc = GetScrollPageSize(wxVERTICAL);
 602       break;
 603     }
 604     case wxEVENT_TYPE_SCROLL_THUMBTRACK:
 605     {
 606       if (orient == wxHORIZONTAL)
 607         nScrollInc = pos - m_xScrollPosition;
 608       else
 609         nScrollInc = pos - m_yScrollPosition;
 610       break;
 611     }
 612     default:
 613     {
 614       break;
 615     }
 616   }
 617   if (orient == wxHORIZONTAL)
 618   {
 619         int w, h;
 620                 GetClientSize(&w, &h);
 621
 622         int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
 623         int noPositions = (int) ( ((nMaxWidth - w)/(float)m_xScrollPixelsPerLine) + 0.5 );
 624         if (noPositions < 0)
 625                 noPositions = 0;
 626
 627                 if ( (m_xScrollPosition + nScrollInc) < 0 )
 628                         nScrollInc = -m_xScrollPosition; // As -ve as we can go
 629                 else if ( (m_xScrollPosition + nScrollInc) > noPositions )
 630                         nScrollInc = noPositions - m_xScrollPosition; // As +ve as we can go
 631
 632         return nScrollInc;
 633   }
 634   else
 635   {
 636         int w, h;
 637                 GetClientSize(&w, &h);
 638
 639         int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
 640         int noPositions = (int) ( ((nMaxHeight - h)/(float)m_yScrollPixelsPerLine) + 0.5 );
 641         if (noPositions < 0)
 642                 noPositions = 0;
 643
 644                 if ( (m_yScrollPosition + nScrollInc) < 0 )
 645                         nScrollInc = -m_yScrollPosition; // As -ve as we can go
 646                 else if ( (m_yScrollPosition + nScrollInc) > noPositions )
 647                         nScrollInc = noPositions - m_yScrollPosition; // As +ve as we can go
 648
 649         return nScrollInc;
 650   }
 651 }
 652
 653 // Adjust the scrollbars - new version.
 654 void wxToolBarBase::AdjustScrollbars(void)
 655 {
 656   int w, h;
 657   GetClientSize(&w, &h);
 658
 659   // Recalculate scroll bar range and position
 660   if (m_xScrollLines > 0)
 661   {
 662     int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
 663     int newRange = (int) ( ((nMaxWidth)/(float)m_xScrollPixelsPerLine) + 0.5 );
 664     if (newRange < 0)
 665       newRange = 0;
 666
 667     m_xScrollPosition = wxMin(newRange, m_xScrollPosition);
 668
 669         // Calculate page size i.e. number of scroll units you get on the
 670         // current client window
 671     int noPagePositions = (int) ( (w/(float)m_xScrollPixelsPerLine) + 0.5 );
 672     if (noPagePositions < 1)
 673       noPagePositions = 1;
 674
 675     SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, newRange);
 676     SetScrollPageSize(wxHORIZONTAL, noPagePositions);
 677   }
 678   if (m_yScrollLines > 0)
 679   {
 680     int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
 681     int newRange = (int) ( ((nMaxHeight)/(float)m_yScrollPixelsPerLine) + 0.5 );
 682     if (newRange < 0)
 683       newRange = 0;
 684
 685     m_yScrollPosition = wxMin(newRange, m_yScrollPosition);
 686
 687         // Calculate page size i.e. number of scroll units you get on the
 688         // current client window
 689     int noPagePositions = (int) ( (h/(float)m_yScrollPixelsPerLine) + 0.5 );
 690     if (noPagePositions < 1)
 691       noPagePositions = 1;
 692
 693     SetScrollbar(wxVERTICAL, m_yScrollPosition, noPagePositions, newRange);
 694     SetScrollPageSize(wxVERTICAL, noPagePositions);
 695   }
 696 }
 697
 698 // Default OnSize resets scrollbars, if any
 699 void wxToolBarBase::OnSize(wxSizeEvent& event)
 700 {
 701 #if USE_CONSTRAINTS
 702   if (GetAutoLayout())
 703     Layout();
 704 #endif
 705
 706   AdjustScrollbars();
 707 }
 708
 709 // Prepare the DC by translating it according to the current scroll position
 710 void wxToolBarBase::PrepareDC(wxDC& dc)
 711 {
 712         dc.SetDeviceOrigin(- m_xScrollPosition * m_xScrollPixelsPerLine, - m_yScrollPosition * m_yScrollPixelsPerLine);
 713 }
 714
 715 void wxToolBarBase::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const
 716 {
 717       *x_unit = m_xScrollPixelsPerLine;
 718       *y_unit = m_yScrollPixelsPerLine;
 719 }
 720
 721 int wxToolBarBase::GetScrollPageSize(int orient) const
 722 {
 723     if ( orient == wxHORIZONTAL )
 724         return m_xScrollLinesPerPage;
 725     else
 726         return m_yScrollLinesPerPage;
 727 }
 728
 729 void wxToolBarBase::SetScrollPageSize(int orient, int pageSize)
 730 {
 731     if ( orient == wxHORIZONTAL )
 732         m_xScrollLinesPerPage = pageSize;
 733     else
 734         m_yScrollLinesPerPage = pageSize;
 735 }
 736
 737 /*
 738  * Scroll to given position (scroll position, not pixel position)
 739  */
 740 void wxToolBarBase::Scroll (int x_pos, int y_pos)
 741 {
 742   int old_x, old_y;
 743   ViewStart (&old_x, &old_y);
 744   if (((x_pos == -1) || (x_pos == old_x)) && ((y_pos == -1) || (y_pos == old_y)))
 745     return;
 746
 747   if (x_pos > -1)
 748     {
 749       m_xScrollPosition = x_pos;
 750       SetScrollPos (wxHORIZONTAL, x_pos, TRUE);
 751     }
 752   if (y_pos > -1)
 753     {
 754       m_yScrollPosition = y_pos;
 755       SetScrollPos (wxVERTICAL, y_pos, TRUE);
 756     }
 757   Refresh();
 758 #ifdef __WINDOWS__
 759   UpdateWindow ((HWND) GetHWND());
 760 #endif
 761 }
 762
 763 void wxToolBarBase::EnableScrolling (bool x_scroll, bool y_scroll)
 764 {
 765   m_xScrollingEnabled = x_scroll;
 766   m_yScrollingEnabled = y_scroll;
 767 }
 768
 769 void wxToolBarBase::GetVirtualSize (int *x, int *y) const
 770 {
 771       *x = m_xScrollPixelsPerLine * m_xScrollLines;
 772       *y = m_yScrollPixelsPerLine * m_yScrollLines;
 773 }
 774
 775 // Where the current view starts from
 776 void wxToolBarBase::ViewStart (int *x, int *y) const
 777 {
 778   *x = m_xScrollPosition;
 779   *y = m_yScrollPosition;
 780 }
 781
 782 /*
 783 void wxToolBarBase::CalcScrolledPosition(int x, int y, int *xx, int *yy) const
 784 {
 785   *xx = (m_calcScrolledOffset ? (x - m_xScrollPosition * m_xScrollPixelsPerLine) : x);
 786   *yy = (m_calcScrolledOffset ? (y - m_yScrollPosition * m_yScrollPixelsPerLine) : y);
 787 }
 788
 789 void wxToolBarBase::CalcUnscrolledPosition(int x, int y, float *xx, float *yy) const
 790 {
 791   *xx = (float)(m_calcScrolledOffset ? (x + m_xScrollPosition * m_xScrollPixelsPerLine) : x);
 792   *yy = (float)(m_calcScrolledOffset ? (y + m_yScrollPosition * m_yScrollPixelsPerLine) : y);
 793 }
 794 */
 795
 796 void wxToolBarBase::OnIdle(wxIdleEvent& event)
 797 {
 798     wxWindow::OnIdle(event);
 799
 800         DoToolbarUpdates();
 801 }
 802
 803 // Do the toolbar button updates (check for EVT_UPDATE_UI handlers)
 804 void wxToolBarBase::DoToolbarUpdates(void)
 805 {
 806         wxNode* node = GetTools().First();
 807         while (node)
 808         {
 809                 wxToolBarTool* tool = (wxToolBarTool* ) node->Data();
 810
 811                 wxUpdateUIEvent event(tool->m_index);
 812                 event.SetEventObject(this);
 813
 814                 if (GetEventHandler()->ProcessEvent(event))
 815                 {
 816                         if (event.GetSetEnabled())
 817                                 EnableTool(tool->m_index, event.GetEnabled());
 818                         if (event.GetSetChecked())
 819                                 ToggleTool(tool->m_index, event.GetChecked());
 820 /*
 821                         if (event.GetSetText())
 822                                 // Set tooltip?
 823 */
 824                 }
 825
 826                 node = node->Next();
 827         }
 828 }
 829
 830 #ifdef __WINDOWS__
 831 // Circumvent wxControl::MSWOnMouseMove which doesn't set the cursor.
 832 void wxToolBarBase::MSWOnMouseMove(int x, int y, const WXUINT flags)
 833 {
 834     wxWindow::MSWOnMouseMove(x, y, flags);
 835 }
 836 #endif
 837
 838 #endif