src/generic/tbarsmpl.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        generic/tbarsmpl.cpp
   3 // Purpose:     wxToolBarSimple
   4 // Author:      Julian Smart
   5 // Modified by: VZ on 14.12.99 during wxToolBarSimple reorganization
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "tbarsmpl.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #if wxUSE_TOOLBAR && wxUSE_TOOLBAR_SIMPLE
  32
  33 #ifndef WX_PRECOMP
  34     #include "wx/settings.h"
  35     #include "wx/window.h"
  36     #include "wx/dcclient.h"
  37     #include "wx/dcmemory.h"
  38 #endif
  39
  40 #include "wx/toolbar.h"
  41 #include "wx/tbarsmpl.h"
  42
  43 // ----------------------------------------------------------------------------
  44 // private classes
  45 // ----------------------------------------------------------------------------
  46
  47 class WXDLLEXPORT wxToolBarToolSimple : public wxToolBarToolBase
  48 {
  49 public:
  50     wxToolBarToolSimple(wxToolBarSimple *tbar,
  51                         int id,
  52                         const wxString& label,
  53                         const wxBitmap& bmpNormal,
  54                         const wxBitmap& bmpDisabled,
  55                         wxItemKind kind,
  56                         wxObject *clientData,
  57                         const wxString& shortHelp,
  58                         const wxString& longHelp)
  59         : wxToolBarToolBase(tbar, id, label, bmpNormal, bmpDisabled, kind,
  60                             clientData, shortHelp, longHelp)
  61     {
  62     }
  63
  64     wxToolBarToolSimple(wxToolBarSimple *tbar, wxControl *control)
  65         : wxToolBarToolBase(tbar, control)
  66     {
  67     }
  68
  69     void SetSize(const wxSize& size)
  70     {
  71         m_width = size.x;
  72         m_height = size.y;
  73     }
  74
  75     wxCoord GetWidth() const { return m_width; }
  76     wxCoord GetHeight() const { return m_height; }
  77
  78     wxCoord m_x;
  79     wxCoord m_y;
  80     wxCoord m_width;
  81     wxCoord m_height;
  82
  83     DECLARE_NO_COPY_CLASS(wxToolBarToolSimple)
  84 };
  85
  86 // ----------------------------------------------------------------------------
  87 // wxWin macros
  88 // ----------------------------------------------------------------------------
  89
  90 IMPLEMENT_DYNAMIC_CLASS(wxToolBarSimple, wxControl)
  91
  92 #if !wxUSE_TOOLBAR_NATIVE && !defined(__WXUNIVERSAL__)
  93     IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarSimple)
  94 #endif
  95
  96 BEGIN_EVENT_TABLE(wxToolBarSimple, wxToolBarBase)
  97     EVT_SIZE(wxToolBarSimple::OnSize)
  98     EVT_SCROLL(wxToolBarSimple::OnScroll)
  99     EVT_PAINT(wxToolBarSimple::OnPaint)
 100     EVT_KILL_FOCUS(wxToolBarSimple::OnKillFocus)
 101     EVT_MOUSE_EVENTS(wxToolBarSimple::OnMouseEvent)
 102 END_EVENT_TABLE()
 103
 104 // ============================================================================
 105 // implementation
 106 // ============================================================================
 107
 108 // ----------------------------------------------------------------------------
 109 // tool bar tools creation
 110 // ----------------------------------------------------------------------------
 111
 112 wxToolBarToolBase *wxToolBarSimple::CreateTool(int id,
 113                                                const wxString& label,
 114                                                const wxBitmap& bmpNormal,
 115                                                const wxBitmap& bmpDisabled,
 116                                                wxItemKind kind,
 117                                                wxObject *clientData,
 118                                                const wxString& shortHelp,
 119                                                const wxString& longHelp)
 120 {
 121     return new wxToolBarToolSimple(this, id, label, bmpNormal, bmpDisabled,
 122                                    kind, clientData, shortHelp, longHelp);
 123 }
 124
 125 wxToolBarToolBase *wxToolBarSimple::CreateTool(wxControl *control)
 126 {
 127     return new wxToolBarToolSimple(this, control);
 128 }
 129
 130 // ----------------------------------------------------------------------------
 131 // wxToolBarSimple creation
 132 // ----------------------------------------------------------------------------
 133
 134 void wxToolBarSimple::Init()
 135 {
 136     m_currentRowsOrColumns = 0;
 137
 138     m_lastX =
 139     m_lastY = 0;
 140
 141     m_maxWidth =
 142     m_maxHeight = 0;
 143
 144     m_pressedTool =
 145     m_currentTool = -1;
 146
 147     m_xPos =
 148     m_yPos = -1;
 149
 150     m_toolPacking = 1;
 151     m_toolSeparation = 5;
 152
 153     m_defaultWidth = 16;
 154     m_defaultHeight = 15;
 155
 156     m_xScrollPixelsPerLine = 1;
 157     m_yScrollPixelsPerLine = 1;
 158     m_xScrollingEnabled = FALSE;
 159     m_yScrollingEnabled = FALSE;
 160     m_xScrollPosition = 0;
 161     m_yScrollPosition = 0;
 162     m_xScrollLines = 0;
 163     m_yScrollLines = 0;
 164     m_xScrollLinesPerPage = 0;
 165     m_yScrollLinesPerPage = 0;
 166 }
 167
 168 wxToolBarToolBase *wxToolBarSimple::DoAddTool(int id,
 169                                               const wxString& label,
 170                                               const wxBitmap& bitmap,
 171                                               const wxBitmap& bmpDisabled,
 172                                               wxItemKind kind,
 173                                               const wxString& shortHelp,
 174                                               const wxString& longHelp,
 175                                               wxObject *clientData,
 176                                               wxCoord xPos,
 177                                               wxCoord yPos)
 178 {
 179     // rememeber the position for DoInsertTool()
 180     m_xPos = xPos;
 181     m_yPos = yPos;
 182
 183     return wxToolBarBase::DoAddTool(id, label, bitmap, bmpDisabled, kind,
 184                                     shortHelp, longHelp,
 185                                     clientData, xPos, yPos);
 186 }
 187
 188 bool wxToolBarSimple::DoInsertTool(size_t WXUNUSED(pos),
 189                                    wxToolBarToolBase *toolBase)
 190 {
 191     wxToolBarToolSimple *tool = (wxToolBarToolSimple *)toolBase;
 192
 193     wxCHECK_MSG( !tool->IsControl(), FALSE,
 194                  _T("generic wxToolBarSimple doesn't support controls") );
 195
 196     tool->m_x = m_xPos;
 197     if ( tool->m_x == -1 )
 198         tool->m_x = m_xMargin;
 199
 200     tool->m_y = m_yPos;
 201     if ( tool->m_y == -1 )
 202         tool->m_y = m_yMargin;
 203
 204     tool->SetSize(GetToolSize());
 205
 206     if ( tool->IsButton() )
 207     {
 208         // Calculate reasonable max size in case Layout() not called
 209         if ((tool->m_x + tool->GetNormalBitmap().GetWidth() + m_xMargin) > m_maxWidth)
 210             m_maxWidth = (wxCoord)((tool->m_x + tool->GetWidth() + m_xMargin));
 211
 212         if ((tool->m_y + tool->GetNormalBitmap().GetHeight() + m_yMargin) > m_maxHeight)
 213             m_maxHeight = (wxCoord)((tool->m_y + tool->GetHeight() + m_yMargin));
 214     }
 215
 216     return TRUE;
 217 }
 218
 219 bool wxToolBarSimple::DoDeleteTool(size_t WXUNUSED(pos),
 220                                    wxToolBarToolBase *tool)
 221 {
 222     // VZ: didn't test whether it works, but why not...
 223     tool->Detach();
 224
 225     Refresh();
 226
 227     return TRUE;
 228 }
 229
 230 bool wxToolBarSimple::Create(wxWindow *parent,
 231                              wxWindowID id,
 232                              const wxPoint& pos,
 233                              const wxSize& size,
 234                              long style,
 235                              const wxString& name)
 236 {
 237     if ( !wxWindow::Create(parent, id, pos, size, style, name) )
 238         return FALSE;
 239
 240     // Set it to grey (or other 3D face colour)
 241     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
 242
 243     if ( GetWindowStyleFlag() & wxTB_VERTICAL )
 244     {
 245         m_lastX = 7;
 246         m_lastY = 3;
 247
 248         m_maxRows = 32000;      // a lot
 249         m_maxCols = 1;
 250     }
 251     else
 252     {
 253         m_lastX = 3;
 254         m_lastY = 7;
 255
 256         m_maxRows = 1;
 257         m_maxCols = 32000;      // a lot
 258     }
 259
 260     SetCursor(*wxSTANDARD_CURSOR);
 261
 262     return TRUE;
 263 }
 264
 265 wxToolBarSimple::~wxToolBarSimple()
 266 {
 267 }
 268
 269 bool wxToolBarSimple::Realize()
 270 {
 271     m_currentRowsOrColumns = 0;
 272     m_lastX = m_xMargin;
 273     m_lastY = m_yMargin;
 274     m_maxWidth = 0;
 275     m_maxHeight = 0;
 276
 277     int maxToolWidth = 0;
 278     int maxToolHeight = 0;
 279
 280     // Find the maximum tool width and height
 281     wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 282     while ( node )
 283     {
 284         wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
 285         if ( tool->GetWidth() > maxToolWidth )
 286             maxToolWidth = tool->GetWidth();
 287         if (tool->GetHeight() > maxToolHeight)
 288             maxToolHeight = tool->GetHeight();
 289
 290         node = node->GetNext();
 291     }
 292
 293     int separatorSize = m_toolSeparation;
 294
 295     node = m_tools.GetFirst();
 296     while ( node )
 297     {
 298         wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
 299         if ( tool->IsSeparator() )
 300         {
 301             if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
 302             {
 303                 if (m_currentRowsOrColumns >= m_maxCols)
 304                     m_lastY += separatorSize;
 305                 else
 306                     m_lastX += separatorSize;
 307             }
 308             else
 309             {
 310                 if (m_currentRowsOrColumns >= m_maxRows)
 311                     m_lastX += separatorSize;
 312                 else
 313                     m_lastY += separatorSize;
 314             }
 315         }
 316         else if ( tool->IsButton() )
 317         {
 318             if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
 319             {
 320                 if (m_currentRowsOrColumns >= m_maxCols)
 321                 {
 322                     m_currentRowsOrColumns = 0;
 323                     m_lastX = m_xMargin;
 324                     m_lastY += maxToolHeight + m_toolPacking;
 325                 }
 326                 tool->m_x = (wxCoord)(m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
 327                 tool->m_y = (wxCoord)(m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
 328
 329                 m_lastX += maxToolWidth + m_toolPacking;
 330             }
 331             else
 332             {
 333                 if (m_currentRowsOrColumns >= m_maxRows)
 334                 {
 335                     m_currentRowsOrColumns = 0;
 336                     m_lastX += (maxToolWidth + m_toolPacking);
 337                     m_lastY = m_yMargin;
 338                 }
 339                 tool->m_x = (wxCoord)(m_lastX + (maxToolWidth - tool->GetWidth())/2.0);
 340                 tool->m_y = (wxCoord)(m_lastY + (maxToolHeight - tool->GetHeight())/2.0);
 341
 342                 m_lastY += maxToolHeight + m_toolPacking;
 343             }
 344             m_currentRowsOrColumns ++;
 345         }
 346         else
 347         {
 348             // TODO: support the controls
 349         }
 350
 351         if (m_lastX > m_maxWidth)
 352             m_maxWidth = m_lastX;
 353         if (m_lastY > m_maxHeight)
 354             m_maxHeight = m_lastY;
 355
 356         node = node->GetNext();
 357     }
 358
 359     if ( GetWindowStyleFlag() & wxTB_HORIZONTAL )
 360         m_maxHeight += maxToolHeight;
 361     else
 362         m_maxWidth += maxToolWidth;
 363
 364     m_maxWidth += m_xMargin;
 365     m_maxHeight += m_yMargin;
 366
 367     SetSize(m_maxWidth, m_maxHeight);
 368
 369     return TRUE;
 370 }
 371
 372 // ----------------------------------------------------------------------------
 373 // event handlers
 374 // ----------------------------------------------------------------------------
 375
 376 void wxToolBarSimple::OnPaint (wxPaintEvent& WXUNUSED(event))
 377 {
 378     wxPaintDC dc(this);
 379     PrepareDC(dc);
 380
 381     static int count = 0;
 382     // Prevent reentry of OnPaint which would cause wxMemoryDC errors.
 383     if ( count > 0 )
 384         return;
 385     count++;
 386
 387     for ( wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 388           node;
 389           node = node->GetNext() )
 390     {
 391         wxToolBarToolBase *tool = node->GetData();
 392         if ( tool->IsButton() )
 393             DrawTool(dc, tool);
 394     }
 395
 396     count--;
 397 }
 398
 399 void wxToolBarSimple::OnSize (wxSizeEvent& WXUNUSED(event))
 400 {
 401 #if wxUSE_CONSTRAINTS
 402     if (GetAutoLayout())
 403         Layout();
 404 #endif
 405
 406     AdjustScrollbars();
 407 }
 408
 409 void wxToolBarSimple::OnKillFocus(wxFocusEvent& WXUNUSED(event))
 410 {
 411     OnMouseEnter(m_pressedTool = m_currentTool = -1);
 412 }
 413
 414 void wxToolBarSimple::OnMouseEvent(wxMouseEvent & event)
 415 {
 416     wxCoord x, y;
 417     event.GetPosition(&x, &y);
 418     wxToolBarToolSimple *tool = (wxToolBarToolSimple *)FindToolForPosition(x, y);
 419
 420     if (event.LeftDown())
 421     {
 422         CaptureMouse();
 423     }
 424     if (event.LeftUp())
 425     {
 426         ReleaseMouse();
 427     }
 428
 429     if (!tool)
 430     {
 431         if (m_currentTool > -1)
 432         {
 433             if (event.LeftIsDown())
 434                 SpringUpButton(m_currentTool);
 435             m_currentTool = -1;
 436             OnMouseEnter(-1);
 437         }
 438         return;
 439     }
 440
 441     if (!event.IsButton())
 442     {
 443         if ( tool->GetId() != m_currentTool )
 444         {
 445             // If the left button is kept down and moved over buttons,
 446             // press those buttons.
 447             if ( event.LeftIsDown() && tool->IsEnabled() )
 448             {
 449                 SpringUpButton(m_currentTool);
 450
 451                 if ( tool->CanBeToggled() )
 452                 {
 453                     tool->Toggle();
 454                 }
 455
 456                 DrawTool(tool);
 457             }
 458
 459             m_currentTool = tool->GetId();
 460             OnMouseEnter(m_currentTool);
 461         }
 462         return;
 463     }
 464
 465     // Left button pressed.
 466     if ( event.LeftDown() && tool->IsEnabled() )
 467     {
 468         if ( tool->CanBeToggled() )
 469         {
 470             tool->Toggle();
 471         }
 472
 473         DrawTool(tool);
 474     }
 475     else if (event.RightDown())
 476     {
 477         OnRightClick(tool->GetId(), x, y);
 478     }
 479
 480     // Left Button Released.  Only this action confirms selection.
 481     // If the button is enabled and it is not a toggle tool and it is
 482     // in the pressed state, then raise the button and call OnLeftClick.
 483     //
 484     if ( event.LeftUp() && tool->IsEnabled() )
 485     {
 486         // Pass the OnLeftClick event to tool
 487         if ( !OnLeftClick(tool->GetId(), tool->IsToggled()) &&
 488                           tool->CanBeToggled() )
 489         {
 490             // If it was a toggle, and OnLeftClick says No Toggle allowed,
 491             // then change it back
 492             tool->Toggle();
 493         }
 494
 495         DrawTool(tool);
 496     }
 497 }
 498
 499 // ----------------------------------------------------------------------------
 500 // drawing
 501 // ----------------------------------------------------------------------------
 502
 503 void wxToolBarSimple::DrawTool(wxToolBarToolBase *tool)
 504 {
 505     wxClientDC dc(this);
 506     DrawTool(dc, tool);
 507 }
 508
 509 void wxToolBarSimple::DrawTool(wxDC& dc, wxToolBarToolBase *toolBase)
 510 {
 511     wxToolBarToolSimple *tool = (wxToolBarToolSimple *)toolBase;
 512
 513     wxMemoryDC memDC;
 514     PrepareDC(dc);
 515
 516     wxPen dark_grey_pen(wxColour( 85,85,85 ), 1, wxSOLID);
 517     wxPen white_pen(wxT("WHITE"), 1, wxSOLID);
 518     wxPen black_pen(wxT("BLACK"), 1, wxSOLID);
 519
 520     wxBitmap bitmap = tool->GetNormalBitmap();
 521     if (!bitmap.Ok())
 522         return;
 523
 524     if ( !tool->IsToggled() )
 525     {
 526 #if wxUSE_PALETTE
 527 #ifndef __WXGTK__
 528         if (bitmap.GetPalette())
 529             memDC.SetPalette(*bitmap.GetPalette());
 530 #endif
 531 #endif // wxUSE_PALETTE
 532
 533         int ax = (int)tool->m_x,
 534         ay = (int)tool->m_y,
 535         bx = (int)(tool->m_x+tool->GetWidth()),
 536         by = (int)(tool->m_y+tool->GetHeight());
 537
 538         memDC.SelectObject(bitmap);
 539         if (m_windowStyle & wxTB_3DBUTTONS)
 540         {
 541             dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
 542             dc.Blit((ax+1), (ay+1), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
 543             wxPen * old_pen = & dc.GetPen();
 544             dc.SetPen( white_pen );
 545             dc.DrawLine(ax,(by-1),ax,ay);
 546             dc.DrawLine(ax,ay,(bx-1),ay);
 547             dc.SetPen( dark_grey_pen );
 548             dc.DrawLine((bx-1),(ay+1),(bx-1),(by-1));
 549             dc.DrawLine((bx-1),(by-1),(ax+1),(by-1));
 550             dc.SetPen( black_pen );
 551             dc.DrawLine(bx,ay,bx,by);
 552             dc.DrawLine(bx,by,ax,by);
 553             dc.SetPen( *old_pen );
 554             dc.DestroyClippingRegion();
 555             // Select bitmap out of the DC
 556         }
 557         else
 558         {
 559             dc.Blit(tool->m_x, tool->m_y,
 560                     bitmap.GetWidth(), bitmap.GetHeight(),
 561                     &memDC, 0, 0);
 562         }
 563         memDC.SelectObject(wxNullBitmap);
 564
 565 #if wxUSE_PALETTE
 566 #ifndef __WXGTK__
 567         if (bitmap.GetPalette())
 568             memDC.SetPalette(wxNullPalette);
 569 #endif
 570 #endif // wxUSE_PALETTE
 571     }
 572     // No second bitmap, so draw a thick line around bitmap, or invert if mono
 573     else if ( tool->IsToggled() )
 574     {
 575         bool drawBorder = FALSE;
 576 #ifdef __X__ // X doesn't invert properly on colour
 577         drawBorder = wxColourDisplay();
 578 #else       // Inversion works fine under Windows
 579         drawBorder = FALSE;
 580 #endif
 581
 582         if (!drawBorder)
 583         {
 584             memDC.SelectObject(tool->GetNormalBitmap());
 585             dc.Blit(tool->m_x, tool->m_y, tool->GetWidth(), tool->GetHeight(),
 586                     &memDC, 0, 0, wxSRC_INVERT);
 587             memDC.SelectObject(wxNullBitmap);
 588         }
 589         else
 590         {
 591             bitmap = tool->GetNormalBitmap();
 592
 593             if (m_windowStyle & wxTB_3DBUTTONS)
 594             {
 595                 int ax = (int)tool->m_x,
 596                 ay = (int)tool->m_y,
 597                 bx = (int)(tool->m_x+tool->GetWidth()),
 598                 by = (int)(tool->m_y+tool->GetHeight());
 599
 600                 memDC.SelectObject(bitmap);
 601                 dc.SetClippingRegion(ax, ay, (bx-ax+1), (by-ay+1));
 602                 dc.Blit((ax+2), (ay+2), (bx-ax-2), (by-ay-2), &memDC, 0, 0);
 603                 wxPen * old_pen = & dc.GetPen();
 604                 dc.SetPen( black_pen );
 605                 dc.DrawLine(ax,(by-1),ax,ay);
 606                 dc.DrawLine(ax,ay,(bx-1),ay);
 607                 dc.SetPen( dark_grey_pen );
 608                 dc.DrawLine((ax+1),(by-2),(ax+1),(ay+1));
 609                 dc.DrawLine((ax+1),(ay+1),(bx-2),(ay+1));
 610                 dc.SetPen( white_pen );
 611                 dc.DrawLine(bx,ay,bx,by);
 612                 dc.DrawLine(bx,by,ax,by);
 613                 dc.SetPen( *old_pen );
 614                 dc.DestroyClippingRegion();
 615                 memDC.SelectObject(wxNullBitmap);
 616             }
 617             else
 618             {
 619                 wxCoord x = tool->m_x;
 620                 wxCoord y = tool->m_y;
 621                 wxCoord w = bitmap.GetWidth();
 622                 wxCoord h = bitmap.GetHeight();
 623                 wxPen thick_black_pen(wxT("BLACK"), 3, wxSOLID);
 624
 625                 memDC.SelectObject(bitmap);
 626                 dc.SetClippingRegion(tool->m_x, tool->m_y, w, h);
 627                 dc.Blit(tool->m_x, tool->m_y, w, h,
 628                         &memDC, 0, 0);
 629                 dc.SetPen(thick_black_pen);
 630                 dc.SetBrush(*wxTRANSPARENT_BRUSH);
 631                 dc.DrawRectangle(x, y, w-1, h-1);
 632                 dc.DestroyClippingRegion();
 633                 memDC.SelectObject(wxNullBitmap);
 634             }
 635         }
 636     }
 637 }
 638
 639 // ----------------------------------------------------------------------------
 640 // toolbar geometry
 641 // ----------------------------------------------------------------------------
 642
 643 void wxToolBarSimple::SetRows(int nRows)
 644 {
 645     wxCHECK_RET( nRows != 0, _T("max number of rows must be > 0") );
 646
 647     m_maxCols = (GetToolsCount() + nRows - 1) / nRows;
 648
 649     AdjustScrollbars();
 650     Refresh();
 651 }
 652
 653 wxToolBarToolBase *wxToolBarSimple::FindToolForPosition(wxCoord x,
 654                                                         wxCoord y) const
 655 {
 656     wxToolBarToolsList::compatibility_iterator node = m_tools.GetFirst();
 657     while (node)
 658     {
 659         wxToolBarToolSimple *tool = (wxToolBarToolSimple *)node->GetData();
 660         if ((x >= tool->m_x) && (y >= tool->m_y) &&
 661             (x <= (tool->m_x + tool->GetWidth())) &&
 662             (y <= (tool->m_y + tool->GetHeight())))
 663         {
 664             return tool;
 665         }
 666
 667         node = node->GetNext();
 668     }
 669
 670     return (wxToolBarToolBase *)NULL;
 671 }
 672
 673 // ----------------------------------------------------------------------------
 674 // tool state change handlers
 675 // ----------------------------------------------------------------------------
 676
 677 void wxToolBarSimple::DoEnableTool(wxToolBarToolBase *tool,
 678                                    bool WXUNUSED(enable))
 679 {
 680     DrawTool(tool);
 681 }
 682
 683 void wxToolBarSimple::DoToggleTool(wxToolBarToolBase *tool,
 684                                    bool WXUNUSED(toggle))
 685 {
 686     DrawTool(tool);
 687 }
 688
 689 void wxToolBarSimple::DoSetToggle(wxToolBarToolBase * WXUNUSED(tool),
 690                                   bool WXUNUSED(toggle))
 691 {
 692     // nothing to do
 693 }
 694
 695 // Okay, so we've left the tool we're in ... we must check if the tool we're
 696 // leaving was a 'sprung push button' and if so, spring it back to the up
 697 // state.
 698 void wxToolBarSimple::SpringUpButton(int id)
 699 {
 700     wxToolBarToolBase *tool = FindById(id);
 701
 702     if ( tool && tool->CanBeToggled() )
 703     {
 704         if (tool->IsToggled())
 705             tool->Toggle();
 706
 707         DrawTool(tool);
 708     }
 709 }
 710
 711 // ----------------------------------------------------------------------------
 712 // scrolling implementation
 713 // ----------------------------------------------------------------------------
 714
 715 /*
 716  * pixelsPerUnitX/pixelsPerUnitY: number of pixels per unit (e.g. pixels per text line)
 717  * noUnitsX/noUnitsY:        : no. units per scrollbar
 718  */
 719 void wxToolBarSimple::SetScrollbars (int pixelsPerUnitX, int pixelsPerUnitY,
 720                                    int noUnitsX, int noUnitsY,
 721                                    int xPos, int yPos)
 722 {
 723     m_xScrollPixelsPerLine = pixelsPerUnitX;
 724     m_yScrollPixelsPerLine = pixelsPerUnitY;
 725     m_xScrollLines = noUnitsX;
 726     m_yScrollLines = noUnitsY;
 727
 728     int w, h;
 729     GetSize(&w, &h);
 730
 731     // Recalculate scroll bar range and position
 732     if (m_xScrollLines > 0)
 733     {
 734         m_xScrollPosition = xPos;
 735         SetScrollPos (wxHORIZONTAL, m_xScrollPosition, TRUE);
 736     }
 737     else
 738     {
 739         SetScrollbar(wxHORIZONTAL, 0, 0, 0, FALSE);
 740         m_xScrollPosition = 0;
 741     }
 742
 743     if (m_yScrollLines > 0)
 744     {
 745         m_yScrollPosition = yPos;
 746         SetScrollPos (wxVERTICAL, m_yScrollPosition, TRUE);
 747     }
 748     else
 749     {
 750         SetScrollbar(wxVERTICAL, 0, 0, 0, FALSE);
 751         m_yScrollPosition = 0;
 752     }
 753     AdjustScrollbars();
 754     Refresh();
 755
 756 #if 0 //def __WXMSW__
 757     ::UpdateWindow ((HWND) GetHWND());
 758 #endif
 759 }
 760
 761 void wxToolBarSimple::OnScroll(wxScrollEvent& event)
 762 {
 763     int orient = event.GetOrientation();
 764
 765     int nScrollInc = CalcScrollInc(event);
 766     if (nScrollInc == 0)
 767         return;
 768
 769     if (orient == wxHORIZONTAL)
 770     {
 771         int newPos = m_xScrollPosition + nScrollInc;
 772         SetScrollPos(wxHORIZONTAL, newPos, TRUE );
 773     }
 774     else
 775     {
 776         int newPos = m_yScrollPosition + nScrollInc;
 777         SetScrollPos(wxVERTICAL, newPos, TRUE );
 778     }
 779
 780     if (orient == wxHORIZONTAL)
 781     {
 782         if (m_xScrollingEnabled)
 783             ScrollWindow(-m_xScrollPixelsPerLine * nScrollInc, 0, NULL);
 784         else
 785             Refresh();
 786     }
 787     else
 788     {
 789         if (m_yScrollingEnabled)
 790             ScrollWindow(0, -m_yScrollPixelsPerLine * nScrollInc, NULL);
 791         else
 792             Refresh();
 793     }
 794
 795     if (orient == wxHORIZONTAL)
 796     {
 797         m_xScrollPosition += nScrollInc;
 798     }
 799     else
 800     {
 801         m_yScrollPosition += nScrollInc;
 802     }
 803
 804 }
 805
 806 int wxToolBarSimple::CalcScrollInc(wxScrollEvent& event)
 807 {
 808     int pos = event.GetPosition();
 809     int orient = event.GetOrientation();
 810
 811     int nScrollInc = 0;
 812     if (event.GetEventType() == wxEVT_SCROLL_TOP)
 813     {
 814             if (orient == wxHORIZONTAL)
 815                 nScrollInc = - m_xScrollPosition;
 816             else
 817                 nScrollInc = - m_yScrollPosition;
 818     } else
 819     if (event.GetEventType() == wxEVT_SCROLL_BOTTOM)
 820     {
 821             if (orient == wxHORIZONTAL)
 822                 nScrollInc = m_xScrollLines - m_xScrollPosition;
 823             else
 824                 nScrollInc = m_yScrollLines - m_yScrollPosition;
 825     } else
 826     if (event.GetEventType() == wxEVT_SCROLL_LINEUP)
 827     {
 828             nScrollInc = -1;
 829     } else
 830     if (event.GetEventType() == wxEVT_SCROLL_LINEDOWN)
 831     {
 832             nScrollInc = 1;
 833     } else
 834     if (event.GetEventType() == wxEVT_SCROLL_PAGEUP)
 835     {
 836             if (orient == wxHORIZONTAL)
 837                 nScrollInc = -GetScrollPageSize(wxHORIZONTAL);
 838             else
 839                 nScrollInc = -GetScrollPageSize(wxVERTICAL);
 840     } else
 841     if (event.GetEventType() == wxEVT_SCROLL_PAGEDOWN)
 842     {
 843             if (orient == wxHORIZONTAL)
 844                 nScrollInc = GetScrollPageSize(wxHORIZONTAL);
 845             else
 846                 nScrollInc = GetScrollPageSize(wxVERTICAL);
 847     } else
 848     if ((event.GetEventType() == wxEVT_SCROLL_THUMBTRACK) ||
 849         (event.GetEventType() == wxEVT_SCROLL_THUMBRELEASE))
 850     {
 851             if (orient == wxHORIZONTAL)
 852                 nScrollInc = pos - m_xScrollPosition;
 853             else
 854                 nScrollInc = pos - m_yScrollPosition;
 855     }
 856
 857     if (orient == wxHORIZONTAL)
 858     {
 859         int w, h;
 860         GetClientSize(&w, &h);
 861
 862         int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
 863         int noPositions = (int) ( ((nMaxWidth - w)/(float)m_xScrollPixelsPerLine) + 0.5 );
 864         if (noPositions < 0)
 865             noPositions = 0;
 866
 867         if ( (m_xScrollPosition + nScrollInc) < 0 )
 868             nScrollInc = -m_xScrollPosition; // As -ve as we can go
 869         else if ( (m_xScrollPosition + nScrollInc) > noPositions )
 870             nScrollInc = noPositions - m_xScrollPosition; // As +ve as we can go
 871
 872         return nScrollInc;
 873     }
 874     else
 875     {
 876         int w, h;
 877         GetClientSize(&w, &h);
 878
 879         int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
 880         int noPositions = (int) ( ((nMaxHeight - h)/(float)m_yScrollPixelsPerLine) + 0.5 );
 881         if (noPositions < 0)
 882             noPositions = 0;
 883
 884         if ( (m_yScrollPosition + nScrollInc) < 0 )
 885             nScrollInc = -m_yScrollPosition; // As -ve as we can go
 886         else if ( (m_yScrollPosition + nScrollInc) > noPositions )
 887             nScrollInc = noPositions - m_yScrollPosition; // As +ve as we can go
 888
 889         return nScrollInc;
 890     }
 891 }
 892
 893 // Adjust the scrollbars - new version.
 894 void wxToolBarSimple::AdjustScrollbars()
 895 {
 896     int w, h;
 897     GetClientSize(&w, &h);
 898
 899     // Recalculate scroll bar range and position
 900     if (m_xScrollLines > 0)
 901     {
 902         int nMaxWidth = m_xScrollLines*m_xScrollPixelsPerLine;
 903         int newRange = (int) ( ((nMaxWidth)/(float)m_xScrollPixelsPerLine) + 0.5 );
 904         if (newRange < 0)
 905             newRange = 0;
 906
 907         m_xScrollPosition = wxMin(newRange, m_xScrollPosition);
 908
 909         // Calculate page size i.e. number of scroll units you get on the
 910         // current client window
 911         int noPagePositions = (int) ( (w/(float)m_xScrollPixelsPerLine) + 0.5 );
 912         if (noPagePositions < 1)
 913             noPagePositions = 1;
 914
 915         SetScrollbar(wxHORIZONTAL, m_xScrollPosition, noPagePositions, newRange);
 916         SetScrollPageSize(wxHORIZONTAL, noPagePositions);
 917     }
 918     if (m_yScrollLines > 0)
 919     {
 920         int nMaxHeight = m_yScrollLines*m_yScrollPixelsPerLine;
 921         int newRange = (int) ( ((nMaxHeight)/(float)m_yScrollPixelsPerLine) + 0.5 );
 922         if (newRange < 0)
 923             newRange = 0;
 924
 925         m_yScrollPosition = wxMin(newRange, m_yScrollPosition);
 926
 927         // Calculate page size i.e. number of scroll units you get on the
 928         // current client window
 929         int noPagePositions = (int) ( (h/(float)m_yScrollPixelsPerLine) + 0.5 );
 930         if (noPagePositions < 1)
 931             noPagePositions = 1;
 932
 933         SetScrollbar(wxVERTICAL, m_yScrollPosition, noPagePositions, newRange);
 934         SetScrollPageSize(wxVERTICAL, noPagePositions);
 935     }
 936 }
 937
 938 // Prepare the DC by translating it according to the current scroll position
 939 void wxToolBarSimple::PrepareDC(wxDC& dc)
 940 {
 941     dc.SetDeviceOrigin(- m_xScrollPosition * m_xScrollPixelsPerLine, - m_yScrollPosition * m_yScrollPixelsPerLine);
 942 }
 943
 944 void wxToolBarSimple::GetScrollPixelsPerUnit (int *x_unit, int *y_unit) const
 945 {
 946       *x_unit = m_xScrollPixelsPerLine;
 947       *y_unit = m_yScrollPixelsPerLine;
 948 }
 949
 950 int wxToolBarSimple::GetScrollPageSize(int orient) const
 951 {
 952     if ( orient == wxHORIZONTAL )
 953         return m_xScrollLinesPerPage;
 954     else
 955         return m_yScrollLinesPerPage;
 956 }
 957
 958 void wxToolBarSimple::SetScrollPageSize(int orient, int pageSize)
 959 {
 960     if ( orient == wxHORIZONTAL )
 961         m_xScrollLinesPerPage = pageSize;
 962     else
 963         m_yScrollLinesPerPage = pageSize;
 964 }
 965
 966 /*
 967  * Scroll to given position (scroll position, not pixel position)
 968  */
 969 void wxToolBarSimple::Scroll (int x_pos, int y_pos)
 970 {
 971     int old_x, old_y;
 972     ViewStart (&old_x, &old_y);
 973     if (((x_pos == -1) || (x_pos == old_x)) && ((y_pos == -1) || (y_pos == old_y)))
 974         return;
 975
 976     if (x_pos > -1)
 977     {
 978         m_xScrollPosition = x_pos;
 979         SetScrollPos (wxHORIZONTAL, x_pos, TRUE);
 980     }
 981     if (y_pos > -1)
 982     {
 983         m_yScrollPosition = y_pos;
 984         SetScrollPos (wxVERTICAL, y_pos, TRUE);
 985     }
 986     Refresh();
 987
 988 #if 0 //def __WXMSW__
 989     UpdateWindow ((HWND) GetHWND());
 990 #endif
 991 }
 992
 993 void wxToolBarSimple::EnableScrolling (bool x_scroll, bool y_scroll)
 994 {
 995     m_xScrollingEnabled = x_scroll;
 996     m_yScrollingEnabled = y_scroll;
 997 }
 998
 999 void wxToolBarSimple::GetVirtualSize (int *x, int *y) const
1000 {
1001     *x = m_xScrollPixelsPerLine * m_xScrollLines;
1002     *y = m_yScrollPixelsPerLine * m_yScrollLines;
1003 }
1004
1005 // Where the current view starts from
1006 void wxToolBarSimple::ViewStart (int *x, int *y) const
1007 {
1008     *x = m_xScrollPosition;
1009     *y = m_yScrollPosition;
1010 }
1011
1012 #endif // wxUSE_TOOLBAR_SIMPLE