src/msw/tbar95.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        msw/tbar95.cpp
   3 // Purpose:     wxToolBar
   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 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #ifdef __GNUG__
  21     #pragma implementation "tbar95.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 #ifndef WX_PRECOMP
  32     #include "wx/frame.h"
  33     #include "wx/log.h"
  34     #include "wx/intl.h"
  35     #include "wx/dynarray.h"
  36     #include "wx/settings.h"
  37     #include "wx/bitmap.h"
  38     #include "wx/dcmemory.h"
  39 #endif
  40
  41 #if wxUSE_TOOLBAR && defined(__WIN95__) && wxUSE_TOOLBAR_NATIVE
  42
  43 #include "wx/toolbar.h"
  44
  45 #if !defined(__GNUWIN32__) && !defined(__SALFORDC__)
  46     #include "malloc.h"
  47 #endif
  48
  49 #include "wx/msw/private.h"
  50
  51 #ifndef __TWIN32__
  52
  53 #ifdef __GNUWIN32_OLD__
  54     #include "wx/msw/gnuwin32/extra.h"
  55 #else
  56     #include <commctrl.h>
  57 #endif
  58
  59 #endif // __TWIN32__
  60
  61 #include "wx/msw/dib.h"
  62 #include "wx/app.h"         // for GetComCtl32Version
  63
  64 // ----------------------------------------------------------------------------
  65 // conditional compilation
  66 // ----------------------------------------------------------------------------
  67
  68 // wxWindows previously always considered that toolbar buttons have light grey
  69 // (0xc0c0c0) background and so ignored any bitmap masks - however, this
  70 // doesn't work with XPMs which then appear to have black background. To make
  71 // this work, we must respect the bitmap masks - which we do now. This should
  72 // be ok in any case, but to restore 100% compatible with the old version
  73 // behaviour, you can set this to 0.
  74 #define USE_BITMAP_MASKS 1
  75
  76 // ----------------------------------------------------------------------------
  77 // constants
  78 // ----------------------------------------------------------------------------
  79
  80 // these standard constants are not always defined in compilers headers
  81
  82 // Styles
  83 #ifndef TBSTYLE_FLAT
  84     #define TBSTYLE_LIST            0x1000
  85     #define TBSTYLE_FLAT            0x0800
  86     #define TBSTYLE_TRANSPARENT     0x8000
  87 #endif
  88  // use TBSTYLE_TRANSPARENT if you use TBSTYLE_FLAT
  89
  90 // Messages
  91 #ifndef TB_GETSTYLE
  92     #define TB_SETSTYLE             (WM_USER + 56)
  93     #define TB_GETSTYLE             (WM_USER + 57)
  94 #endif
  95
  96 #ifndef TB_HITTEST
  97     #define TB_HITTEST              (WM_USER + 69)
  98 #endif
  99
 100 // these values correspond to those used by comctl32.dll
 101 #define DEFAULTBITMAPX   16
 102 #define DEFAULTBITMAPY   15
 103 #define DEFAULTBUTTONX   24
 104 #define DEFAULTBUTTONY   24
 105 #define DEFAULTBARHEIGHT 27
 106
 107 // ----------------------------------------------------------------------------
 108 // private function prototypes
 109 // ----------------------------------------------------------------------------
 110
 111 // adjust toolbar bitmap colours
 112 static void wxMapBitmap(HBITMAP hBitmap, int width, int height);
 113
 114 // ----------------------------------------------------------------------------
 115 // wxWin macros
 116 // ----------------------------------------------------------------------------
 117
 118 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxControl)
 119
 120 BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
 121     EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
 122     EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
 123 END_EVENT_TABLE()
 124
 125 // ----------------------------------------------------------------------------
 126 // private classes
 127 // ----------------------------------------------------------------------------
 128
 129 class wxToolBarTool : public wxToolBarToolBase
 130 {
 131 public:
 132     wxToolBarTool(wxToolBar *tbar,
 133                   int id,
 134                   const wxBitmap& bitmap1,
 135                   const wxBitmap& bitmap2,
 136                   bool toggle,
 137                   wxObject *clientData,
 138                   const wxString& shortHelpString,
 139                   const wxString& longHelpString)
 140         : wxToolBarToolBase(tbar, id, bitmap1, bitmap2, toggle,
 141                             clientData, shortHelpString, longHelpString)
 142     {
 143         m_nSepCount = 0;
 144     }
 145
 146     wxToolBarTool(wxToolBar *tbar, wxControl *control)
 147         : wxToolBarToolBase(tbar, control)
 148     {
 149         m_nSepCount = 1;
 150     }
 151
 152     // set/get the number of separators which we use to cover the space used by
 153     // a control in the toolbar
 154     void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
 155     size_t GetSeparatorsCount() const { return m_nSepCount; }
 156
 157 private:
 158     size_t m_nSepCount;
 159 };
 160
 161
 162 // ============================================================================
 163 // implementation
 164 // ============================================================================
 165
 166 // ----------------------------------------------------------------------------
 167 // wxToolBarTool
 168 // ----------------------------------------------------------------------------
 169
 170 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 171                                          const wxBitmap& bitmap1,
 172                                          const wxBitmap& bitmap2,
 173                                          bool toggle,
 174                                          wxObject *clientData,
 175                                          const wxString& shortHelpString,
 176                                          const wxString& longHelpString)
 177 {
 178     return new wxToolBarTool(this, id, bitmap1, bitmap2, toggle,
 179                              clientData, shortHelpString, longHelpString);
 180 }
 181
 182 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 183 {
 184     return new wxToolBarTool(this, control);
 185 }
 186
 187 // ----------------------------------------------------------------------------
 188 // wxToolBar construction
 189 // ----------------------------------------------------------------------------
 190
 191 void wxToolBar::Init()
 192 {
 193     m_hBitmap = 0;
 194
 195     m_nButtons = 0;
 196
 197     m_defaultWidth = DEFAULTBITMAPX;
 198     m_defaultHeight = DEFAULTBITMAPY;
 199 }
 200
 201 bool wxToolBar::Create(wxWindow *parent,
 202                        wxWindowID id,
 203                        const wxPoint& pos,
 204                        const wxSize& size,
 205                        long style,
 206                        const wxString& name)
 207 {
 208     // Don't want to grab the focus when we left click
 209     SetExtraStyle(GetExtraStyle() | wxWS_EX_NO_AUTOFOCUS);
 210
 211     // common initialisation
 212     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
 213         return FALSE;
 214
 215     // prepare flags
 216     DWORD msflags = 0;      // WS_VISIBLE | WS_CHILD always included
 217     if (style & wxBORDER)
 218         msflags |= WS_BORDER;
 219
 220 #ifdef TBSTYLE_TOOLTIPS
 221     msflags |= TBSTYLE_TOOLTIPS;
 222 #endif
 223
 224     if (style & wxTB_FLAT)
 225     {
 226         if (wxTheApp->GetComCtl32Version() > 400)
 227             msflags |= TBSTYLE_FLAT;
 228     }
 229
 230     // MSW-specific initialisation
 231     if ( !wxControl::MSWCreateControl(TOOLBARCLASSNAME, msflags) )
 232         return FALSE;
 233
 234     // toolbar-specific post initialisation
 235     ::SendMessage(GetHwnd(), TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 236
 237     // set up the colors and fonts
 238     wxRGBToColour(m_backgroundColour, GetSysColor(COLOR_BTNFACE));
 239     m_foregroundColour = *wxBLACK;
 240
 241     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 242
 243     // position it
 244     int x = pos.x;
 245     int y = pos.y;
 246     int width = size.x;
 247     int height = size.y;
 248
 249     if (width <= 0)
 250         width = 100;
 251     if (height <= 0)
 252         height = m_defaultHeight;
 253     if (x < 0)
 254         x = 0;
 255     if (y < 0)
 256         y = 0;
 257
 258     SetSize(x, y, width, height);
 259
 260     return TRUE;
 261 }
 262
 263 wxToolBar::~wxToolBar()
 264 {
 265     // we must refresh the frame size when the toolbar is deleted but the frame
 266     // is not - otherwise toolbar leaves a hole in the place it used to occupy
 267     //
 268     // NB: a frame is being deleted only if it is not any longer in
 269     //     wxTopLevelWindows list
 270     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 271     if ( frame && wxTopLevelWindows.Find(frame) )
 272     {
 273         frame->SendSizeEvent();
 274     }
 275
 276     if ( m_hBitmap )
 277     {
 278         ::DeleteObject((HBITMAP) m_hBitmap);
 279     }
 280 }
 281
 282 // ----------------------------------------------------------------------------
 283 // adding/removing tools
 284 // ----------------------------------------------------------------------------
 285
 286 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos),
 287                              wxToolBarToolBase *tool)
 288 {
 289     // nothing special to do here - we really create the toolbar buttons in
 290     // Realize() later
 291     tool->Attach(this);
 292
 293     return TRUE;
 294 }
 295
 296 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
 297 {
 298     // the main difficulty we have here is with the controls in the toolbars:
 299     // as we (sometimes) use several separators to cover up the space used by
 300     // them, the indices are not the same for us and the toolbar
 301
 302     // first determine the position of the first button to delete: it may be
 303     // different from pos if we use several separators to cover the space used
 304     // by a control
 305     wxToolBarToolsList::Node *node;
 306     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 307     {
 308         wxToolBarToolBase *tool2 = node->GetData();
 309         if ( tool2 == tool )
 310         {
 311             // let node point to the next node in the list
 312             node = node->GetNext();
 313
 314             break;
 315         }
 316
 317         if ( tool2->IsControl() )
 318         {
 319             pos += ((wxToolBarTool *)tool2)->GetSeparatorsCount();
 320         }
 321     }
 322
 323     // now determine the number of buttons to delete and the area taken by them
 324     size_t nButtonsToDelete = 1;
 325
 326     // get the size of the button we're going to delete
 327     RECT r;
 328     if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
 329     {
 330         wxLogLastError(_T("TB_GETITEMRECT"));
 331     }
 332
 333     int width = r.right - r.left;
 334
 335     if ( tool->IsControl() )
 336     {
 337         nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
 338
 339         width *= nButtonsToDelete;
 340     }
 341
 342     // do delete all buttons
 343     m_nButtons -= nButtonsToDelete;
 344     while ( nButtonsToDelete-- > 0 )
 345     {
 346         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, pos, 0) )
 347         {
 348             wxLogLastError(wxT("TB_DELETEBUTTON"));
 349
 350             return FALSE;
 351         }
 352     }
 353
 354     tool->Detach();
 355
 356     // and finally reposition all the controls after this button (the toolbar
 357     // takes care of all normal items)
 358     for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
 359     {
 360         wxToolBarToolBase *tool2 = node->GetData();
 361         if ( tool2->IsControl() )
 362         {
 363             int x;
 364             wxControl *control = tool2->GetControl();
 365             control->GetPosition(&x, NULL);
 366             control->Move(x - width, -1);
 367         }
 368     }
 369
 370     return TRUE;
 371 }
 372
 373 bool wxToolBar::Realize()
 374 {
 375     size_t nTools = GetToolsCount();
 376     if ( nTools == 0 )
 377     {
 378         // nothing to do
 379         return TRUE;
 380     }
 381
 382     bool isVertical = (GetWindowStyle() & wxTB_VERTICAL) != 0;
 383
 384     // First, add the bitmap: we use one bitmap for all toolbar buttons
 385     // ----------------------------------------------------------------
 386
 387     // if we already have a bitmap, we'll replace the existing one - otherwise
 388     // we'll install a new one
 389     HBITMAP oldToolBarBitmap = (HBITMAP)m_hBitmap;
 390
 391     int totalBitmapWidth = (int)(m_defaultWidth * nTools);
 392     int totalBitmapHeight = (int)m_defaultHeight;
 393
 394     // Create a bitmap and copy all the tool bitmaps to it
 395 #if USE_BITMAP_MASKS
 396     wxMemoryDC dcAllButtons;
 397     wxBitmap bitmap(totalBitmapWidth, totalBitmapHeight);
 398     dcAllButtons.SelectObject(bitmap);
 399     dcAllButtons.SetBackground(*wxLIGHT_GREY_BRUSH);
 400     dcAllButtons.Clear();
 401
 402     m_hBitmap = bitmap.GetHBITMAP();
 403     HBITMAP hBitmap = (HBITMAP)m_hBitmap;
 404 #else // !USE_BITMAP_MASKS
 405     HBITMAP hBitmap = ::CreateCompatibleBitmap(ScreenHDC(),
 406                                                totalBitmapWidth,
 407                                                totalBitmapHeight);
 408     if ( !hBitmap )
 409     {
 410         wxLogLastError(_T("CreateCompatibleBitmap"));
 411
 412         return FALSE;
 413     }
 414
 415     m_hBitmap = (WXHBITMAP)hBitmap;
 416
 417     HDC memoryDC = ::CreateCompatibleDC(NULL);
 418     HBITMAP oldBitmap = (HBITMAP) ::SelectObject(memoryDC, hBitmap);
 419
 420     HDC memoryDC2 = ::CreateCompatibleDC(NULL);
 421 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 422
 423     // the button position
 424     wxCoord x = 0;
 425
 426     // the number of buttons (not separators)
 427     int nButtons = 0;
 428
 429     wxToolBarToolsList::Node *node = m_tools.GetFirst();
 430     while ( node )
 431     {
 432         wxToolBarToolBase *tool = node->GetData();
 433         if ( tool->IsButton() )
 434         {
 435             const wxBitmap& bmp = tool->GetBitmap1();
 436             if ( bmp.Ok() )
 437             {
 438 #if USE_BITMAP_MASKS
 439                 // notice the last parameter: do use mask
 440                 dcAllButtons.DrawBitmap(tool->GetBitmap1(), x, 0, TRUE);
 441 #else // !USE_BITMAP_MASKS
 442                 HBITMAP hbmp = GetHbitmapOf(bmp);
 443                 HBITMAP oldBitmap2 = (HBITMAP)::SelectObject(memoryDC2, hbmp);
 444                 if ( !BitBlt(memoryDC, x, 0,  m_defaultWidth, m_defaultHeight,
 445                              memoryDC2, 0, 0, SRCCOPY) )
 446                 {
 447                     wxLogLastError(wxT("BitBlt"));
 448                 }
 449
 450                 ::SelectObject(memoryDC2, oldBitmap2);
 451 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 452             }
 453             else
 454             {
 455                 wxFAIL_MSG( _T("invalid tool button bitmap") );
 456             }
 457
 458             // still inc width and number of buttons because otherwise the
 459             // subsequent buttons will all be shifted which is rather confusing
 460             // (and like this you'd see immediately which bitmap was bad)
 461             x += m_defaultWidth;
 462             nButtons++;
 463         }
 464
 465         node = node->GetNext();
 466     }
 467
 468 #if USE_BITMAP_MASKS
 469     dcAllButtons.SelectObject(wxNullBitmap);
 470
 471     // don't delete this HBITMAP!
 472     bitmap.SetHBITMAP(0);
 473 #else // !USE_BITMAP_MASKS
 474     ::SelectObject(memoryDC, oldBitmap);
 475     ::DeleteDC(memoryDC);
 476     ::DeleteDC(memoryDC2);
 477 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 478
 479     // Map to system colours
 480     wxMapBitmap(hBitmap, totalBitmapWidth, totalBitmapHeight);
 481
 482     int bitmapId = 0;
 483
 484     bool addBitmap = TRUE;
 485
 486     if ( oldToolBarBitmap )
 487     {
 488 #ifdef TB_REPLACEBITMAP
 489         if ( wxTheApp->GetComCtl32Version() >= 400 )
 490         {
 491             TBREPLACEBITMAP replaceBitmap;
 492             replaceBitmap.hInstOld = NULL;
 493             replaceBitmap.hInstNew = NULL;
 494             replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
 495             replaceBitmap.nIDNew = (UINT) hBitmap;
 496             replaceBitmap.nButtons = nButtons;
 497             if ( !::SendMessage(GetHwnd(), TB_REPLACEBITMAP,
 498                                 0, (LPARAM) &replaceBitmap) )
 499             {
 500                 wxFAIL_MSG(wxT("Could not replace the old bitmap"));
 501             }
 502
 503             ::DeleteObject(oldToolBarBitmap);
 504
 505             // already done
 506             addBitmap = FALSE;
 507         }
 508         else
 509 #endif // TB_REPLACEBITMAP
 510         {
 511             // we can't replace the old bitmap, so we will add another one
 512             // (awfully inefficient, but what else to do?) and shift the bitmap
 513             // indices accordingly
 514             addBitmap = TRUE;
 515
 516             bitmapId = m_nButtons;
 517         }
 518
 519         // Now delete all the buttons
 520         for ( size_t pos = 0; pos < m_nButtons; pos++ )
 521         {
 522             if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, 0, 0) )
 523             {
 524                 wxLogLastError(wxT("TB_DELETEBUTTON"));
 525             }
 526         }
 527
 528     }
 529
 530     if ( addBitmap ) // no old bitmap or we can't replace it
 531     {
 532         TBADDBITMAP addBitmap;
 533         addBitmap.hInst = 0;
 534         addBitmap.nID = (UINT) hBitmap;
 535         if ( ::SendMessage(GetHwnd(), TB_ADDBITMAP,
 536                            (WPARAM) nButtons, (LPARAM)&addBitmap) == -1 )
 537         {
 538             wxFAIL_MSG(wxT("Could not add bitmap to toolbar"));
 539         }
 540     }
 541
 542     // Next add the buttons and separators
 543     // -----------------------------------
 544
 545     TBBUTTON *buttons = new TBBUTTON[nTools];
 546
 547     // this array will hold the indices of all controls in the toolbar
 548     wxArrayInt controlIds;
 549
 550     int i = 0;
 551     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 552     {
 553         wxToolBarToolBase *tool = node->GetData();
 554
 555         // don't add separators to the vertical toolbar - looks ugly
 556         if ( isVertical && tool->IsSeparator() )
 557             continue;
 558
 559         TBBUTTON& button = buttons[i];
 560
 561         wxZeroMemory(button);
 562
 563         switch ( tool->GetStyle() )
 564         {
 565             case wxTOOL_STYLE_CONTROL:
 566                 button.idCommand = tool->GetId();
 567                 // fall through: create just a separator too
 568
 569             case wxTOOL_STYLE_SEPARATOR:
 570                 button.fsState = TBSTATE_ENABLED;
 571                 button.fsStyle = TBSTYLE_SEP;
 572                 break;
 573
 574             case wxTOOL_STYLE_BUTTON:
 575                 button.iBitmap = bitmapId;
 576                 button.idCommand = tool->GetId();
 577
 578                 if ( tool->IsEnabled() )
 579                     button.fsState |= TBSTATE_ENABLED;
 580                 if ( tool->IsToggled() )
 581                     button.fsState |= TBSTATE_CHECKED;
 582
 583                 button.fsStyle = tool->CanBeToggled() ? TBSTYLE_CHECK
 584                                                       : TBSTYLE_BUTTON;
 585
 586                 bitmapId++;
 587                 break;
 588         }
 589
 590         i++;
 591     }
 592
 593     if ( !::SendMessage(GetHwnd(), TB_ADDBUTTONS,
 594                         (WPARAM)i, (LPARAM)buttons) )
 595     {
 596         wxLogLastError(wxT("TB_ADDBUTTONS"));
 597     }
 598
 599     delete [] buttons;
 600
 601     // Deal with the controls finally
 602     // ------------------------------
 603
 604     // adjust the controls size to fit nicely in the toolbar
 605     size_t index = 0;
 606     for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
 607     {
 608         wxToolBarToolBase *tool = node->GetData();
 609         if ( !tool->IsControl() )
 610             continue;
 611
 612         wxControl *control = tool->GetControl();
 613
 614         wxSize size = control->GetSize();
 615
 616         // the position of the leftmost controls corner
 617         int left = -1;
 618
 619         // note that we use TB_GETITEMRECT and not TB_GETRECT because the
 620         // latter only appeared in v4.70 of comctl32.dll
 621         RECT r;
 622         if ( !SendMessage(GetHwnd(), TB_GETITEMRECT,
 623                           index, (LPARAM)(LPRECT)&r) )
 624         {
 625             wxLogLastError(wxT("TB_GETITEMRECT"));
 626         }
 627
 628         // TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
 629         #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
 630             // available in headers, now check whether it is available now
 631             // (during run-time)
 632             if ( wxTheApp->GetComCtl32Version() >= 471 )
 633             {
 634                 // set the (underlying) separators width to be that of the
 635                 // control
 636                 TBBUTTONINFO tbbi;
 637                 tbbi.cbSize = sizeof(tbbi);
 638                 tbbi.dwMask = TBIF_SIZE;
 639                 tbbi.cx = size.x;
 640                 if ( !SendMessage(GetHwnd(), TB_SETBUTTONINFO,
 641                                   tool->GetId(), (LPARAM)&tbbi) )
 642                 {
 643                     // the id is probably invalid?
 644                     wxLogLastError(wxT("TB_SETBUTTONINFO"));
 645                 }
 646             }
 647             else
 648         #endif // comctl32.dll 4.71
 649             // TB_SETBUTTONINFO unavailable
 650             {
 651                 // try adding several separators to fit the controls width
 652                 int widthSep = r.right - r.left;
 653                 left = r.left;
 654
 655                 TBBUTTON tbb;
 656                 wxZeroMemory(tbb);
 657                 tbb.idCommand = 0;
 658                 tbb.fsState = TBSTATE_ENABLED;
 659                 tbb.fsStyle = TBSTYLE_SEP;
 660
 661                 size_t nSeparators = size.x / widthSep;
 662                 for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
 663                 {
 664                     if ( !SendMessage(GetHwnd(), TB_INSERTBUTTON,
 665                                       index, (LPARAM)&tbb) )
 666                     {
 667                         wxLogLastError(wxT("TB_INSERTBUTTON"));
 668                     }
 669
 670                     index++;
 671                 }
 672
 673                 // remember the number of separators we used - we'd have to
 674                 // delete all of them later
 675                 ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
 676
 677                 // adjust the controls width to exactly cover the separators
 678                 control->SetSize((nSeparators + 1)*widthSep, -1);
 679             }
 680
 681         // and position the control itself correctly vertically
 682         int height = r.bottom - r.top;
 683         int diff = height - size.y;
 684         if ( diff < 0 )
 685         {
 686             // the control is too high, resize to fit
 687             control->SetSize(-1, height - 2);
 688
 689             diff = 2;
 690         }
 691
 692         control->Move(left == -1 ? r.left : left, r.top + (diff + 1) / 2);
 693     }
 694
 695     // the max index is the "real" number of buttons - i.e. counting even the
 696     // separators which we added just for aligning the controls
 697     m_nButtons = index;
 698
 699     if ( !isVertical )
 700     {
 701         if ( m_maxRows == 0 )
 702         {
 703             // if not set yet, only one row
 704             SetRows(1);
 705         }
 706     }
 707     else if ( m_nButtons > 0 ) // vertical non empty toolbar
 708     {
 709         if ( m_maxRows == 0 )
 710         {
 711             // if not set yet, have one column
 712             SetRows(m_nButtons);
 713         }
 714     }
 715
 716     return TRUE;
 717 }
 718
 719 // ----------------------------------------------------------------------------
 720 // message handlers
 721 // ----------------------------------------------------------------------------
 722
 723 bool wxToolBar::MSWCommand(WXUINT cmd, WXWORD id)
 724 {
 725     wxToolBarToolBase *tool = FindById((int)id);
 726     if ( !tool )
 727         return FALSE;
 728
 729     if ( tool->CanBeToggled() )
 730     {
 731         LRESULT state = ::SendMessage(GetHwnd(), TB_GETSTATE, id, 0);
 732         tool->Toggle((state & TBSTATE_CHECKED) != 0);
 733     }
 734
 735     bool toggled = tool->IsToggled();
 736
 737     // OnLeftClick() can veto the button state change - for buttons which may
 738     // be toggled only, of couse
 739     if ( !OnLeftClick((int)id, toggled) && tool->CanBeToggled() )
 740     {
 741         // revert back
 742         toggled = !toggled;
 743         tool->SetToggle(toggled);
 744
 745         ::SendMessage(GetHwnd(), TB_CHECKBUTTON, id, MAKELONG(toggled, 0));
 746     }
 747
 748     return TRUE;
 749 }
 750
 751 bool wxToolBar::MSWOnNotify(int WXUNUSED(idCtrl),
 752                             WXLPARAM lParam,
 753                             WXLPARAM *result)
 754 {
 755     // First check if this applies to us
 756     NMHDR *hdr = (NMHDR *)lParam;
 757
 758     // the tooltips control created by the toolbar is sometimes Unicode, even
 759     // in an ANSI application - this seems to be a bug in comctl32.dll v5
 760     int code = (int)hdr->code;
 761     if ( (code != TTN_NEEDTEXTA) && (code != TTN_NEEDTEXTW) )
 762         return FALSE;
 763
 764     HWND toolTipWnd = (HWND)::SendMessage((HWND)GetHWND(), TB_GETTOOLTIPS, 0, 0);
 765     if ( toolTipWnd != hdr->hwndFrom )
 766         return FALSE;
 767
 768     LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
 769     int id = (int)ttText->hdr.idFrom;
 770
 771     wxToolBarToolBase *tool = FindById(id);
 772     if ( !tool )
 773         return FALSE;
 774
 775     const wxString& help = tool->GetShortHelp();
 776
 777     if ( !help.IsEmpty() )
 778     {
 779         if ( code == TTN_NEEDTEXTA )
 780         {
 781             ttText->lpszText = (wxChar *)help.c_str();
 782         }
 783         else
 784         {
 785 #if wxUSE_UNICODE
 786             ttText->lpszText = (wxChar *)help.c_str();
 787 #else
 788             // VZ: I don't know why it happens, but the versions of
 789             //     comctl32.dll starting from 4.70 sometimes send TTN_NEEDTEXTW
 790             //     even to ANSI programs (normally, this message is supposed
 791             //     to be sent to Unicode programs only) - hence we need to
 792             //     handle it as well, otherwise no tooltips will be shown in
 793             //     this case
 794
 795             size_t lenAnsi = help.Len();
 796             #ifdef __MWERKS__
 797                 // MetroWerks doesn't like calling mbstowcs with NULL argument
 798                 size_t lenUnicode = 2*lenAnsi;
 799             #else
 800                 size_t lenUnicode = mbstowcs(NULL, help, lenAnsi);
 801             #endif
 802
 803             // using the pointer of right type avoids us doing all sorts of
 804             // pointer arithmetics ourselves
 805             wchar_t *dst = (wchar_t *)ttText->szText,
 806                     *pwz = new wchar_t[lenUnicode + 1];
 807             mbstowcs(pwz, help, lenAnsi + 1);
 808             memcpy(dst, pwz, lenUnicode*sizeof(wchar_t));
 809
 810             // put the terminating _wide_ NUL
 811             dst[lenUnicode] = 0;
 812
 813             delete [] pwz;
 814 #endif
 815         }
 816     }
 817
 818     // For backward compatibility...
 819     OnMouseEnter(tool->GetId());
 820
 821     return TRUE;
 822 }
 823
 824 // ----------------------------------------------------------------------------
 825 // toolbar geometry
 826 // ----------------------------------------------------------------------------
 827
 828 void wxToolBar::SetToolBitmapSize(const wxSize& size)
 829 {
 830     wxToolBarBase::SetToolBitmapSize(size);
 831
 832     ::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0, MAKELONG(size.x, size.y));
 833 }
 834
 835 void wxToolBar::SetRows(int nRows)
 836 {
 837     if ( nRows == m_maxRows )
 838     {
 839         // avoid resizing the frame uselessly
 840         return;
 841     }
 842
 843     // TRUE in wParam means to create at least as many rows, FALSE -
 844     // at most as many
 845     RECT rect;
 846     ::SendMessage(GetHwnd(), TB_SETROWS,
 847                   MAKEWPARAM(nRows, !(GetWindowStyle() & wxTB_VERTICAL)),
 848                   (LPARAM) &rect);
 849
 850     m_maxRows = nRows;
 851
 852     UpdateSize();
 853 }
 854
 855 // The button size is bigger than the bitmap size
 856 wxSize wxToolBar::GetToolSize() const
 857 {
 858     // TB_GETBUTTONSIZE is supported from version 4.70
 859 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x300 )
 860     if ( wxTheApp->GetComCtl32Version() >= 470 )
 861     {
 862         DWORD dw = ::SendMessage(GetHwnd(), TB_GETBUTTONSIZE, 0, 0);
 863
 864         return wxSize(LOWORD(dw), HIWORD(dw));
 865     }
 866     else
 867 #endif // comctl32.dll 4.70+
 868     {
 869         // defaults
 870         return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
 871     }
 872 }
 873
 874 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
 875 {
 876     POINT pt;
 877     pt.x = x;
 878     pt.y = y;
 879     int index = (int)::SendMessage(GetHwnd(), TB_HITTEST, 0, (LPARAM)&pt);
 880     if ( index < 0 )
 881     {
 882         // it's a separator or there is no tool at all there
 883         return (wxToolBarToolBase *)NULL;
 884     }
 885
 886     return m_tools.Item((size_t)index)->GetData();
 887 }
 888
 889 void wxToolBar::UpdateSize()
 890 {
 891     // the toolbar size changed
 892     SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
 893
 894     // we must also refresh the frame after the toolbar size (possibly) changed
 895     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 896     if ( frame )
 897     {
 898         frame->SendSizeEvent();
 899     }
 900 }
 901
 902 // ----------------------------------------------------------------------------
 903 // tool state
 904 // ----------------------------------------------------------------------------
 905
 906 void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
 907 {
 908     ::SendMessage(GetHwnd(), TB_ENABLEBUTTON,
 909                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(enable, 0));
 910 }
 911
 912 void wxToolBar::DoToggleTool(wxToolBarToolBase *tool, bool toggle)
 913 {
 914     ::SendMessage(GetHwnd(), TB_CHECKBUTTON,
 915                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(toggle, 0));
 916 }
 917
 918 void wxToolBar::DoSetToggle(wxToolBarToolBase *tool, bool toggle)
 919 {
 920     // VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
 921     //     without, so we really need to delete the button and recreate it here
 922     wxFAIL_MSG( _T("not implemented") );
 923 }
 924
 925 // ----------------------------------------------------------------------------
 926 // event handlers
 927 // ----------------------------------------------------------------------------
 928
 929 // Responds to colour changes, and passes event on to children.
 930 void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
 931 {
 932     m_backgroundColour = wxColour(GetRValue(GetSysColor(COLOR_BTNFACE)),
 933           GetGValue(GetSysColor(COLOR_BTNFACE)), GetBValue(GetSysColor(COLOR_BTNFACE)));
 934
 935     // Remap the buttons
 936     Realize();
 937
 938     Refresh();
 939
 940     // Propagate the event to the non-top-level children
 941     wxWindow::OnSysColourChanged(event);
 942 }
 943
 944 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
 945 {
 946     if (event.RightDown())
 947     {
 948         // For now, we don't have an id. Later we could
 949         // try finding the tool.
 950         OnRightClick((int)-1, event.GetX(), event.GetY());
 951     }
 952     else
 953     {
 954         event.Skip();
 955     }
 956 }
 957
 958 long wxToolBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
 959 {
 960     if ( nMsg == WM_SIZE )
 961     {
 962         // calculate our minor dimenstion ourselves - we're confusing the
 963         // standard logic (TB_AUTOSIZE) with our horizontal toolbars and other
 964         // hacks
 965         RECT r;
 966         if ( ::SendMessage(GetHwnd(), TB_GETITEMRECT, 0, (LPARAM)&r) )
 967         {
 968             int w, h;
 969
 970             if ( GetWindowStyle() & wxTB_VERTICAL )
 971             {
 972                 w = r.right - r.left;
 973                 if ( m_maxRows )
 974                 {
 975                     w *= (m_nButtons + m_maxRows - 1)/m_maxRows;
 976                 }
 977                 h = HIWORD(lParam);
 978             }
 979             else
 980             {
 981                 w = LOWORD(lParam);
 982                 h = r.bottom - r.top;
 983                 if ( m_maxRows )
 984                 {
 985                     h += 6; // FIXME: this is the separator line height...
 986                     h *= m_maxRows;
 987                 }
 988             }
 989
 990             if ( MAKELPARAM(w, h) != lParam )
 991             {
 992                 // size really changed
 993                 SetSize(w, h);
 994             }
 995
 996             // message processed
 997             return 0;
 998         }
 999     }
1000
1001     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
1002 }
1003
1004 // ----------------------------------------------------------------------------
1005 // private functions
1006 // ----------------------------------------------------------------------------
1007
1008 // These are the default colors used to map the bitmap colors to the current
1009 // system colors. Note that they are in BGR format because this is what Windows
1010 // wants (and not RGB)
1011
1012 #define BGR_BUTTONTEXT      (RGB(000,000,000))  // black
1013 #define BGR_BUTTONSHADOW    (RGB(128,128,128))  // dark grey
1014 #define BGR_BUTTONFACE      (RGB(192,192,192))  // bright grey
1015 #define BGR_BUTTONHILIGHT   (RGB(255,255,255))  // white
1016 #define BGR_BACKGROUNDSEL   (RGB(000,000,255))  // blue
1017 #define BGR_BACKGROUND      (RGB(255,000,255))  // magenta
1018
1019 void wxMapBitmap(HBITMAP hBitmap, int width, int height)
1020 {
1021   COLORMAP ColorMap[] =
1022   {
1023     {BGR_BUTTONTEXT,    COLOR_BTNTEXT},     // black
1024     {BGR_BUTTONSHADOW,  COLOR_BTNSHADOW},   // dark grey
1025     {BGR_BUTTONFACE,    COLOR_BTNFACE},     // bright grey
1026     {BGR_BUTTONHILIGHT, COLOR_BTNHIGHLIGHT},// white
1027 /*    {BGR_BACKGROUNDSEL, COLOR_HIGHLIGHT},   // blue */
1028     {BGR_BACKGROUND,    COLOR_WINDOW}       // magenta
1029   };
1030
1031   int NUM_MAPS = (sizeof(ColorMap)/sizeof(COLORMAP));
1032   int n;
1033   for ( n = 0; n < NUM_MAPS; n++)
1034   {
1035     ColorMap[n].to = ::GetSysColor(ColorMap[n].to);
1036   }
1037
1038   HBITMAP hbmOld;
1039   HDC hdcMem = CreateCompatibleDC(NULL);
1040
1041   if (hdcMem)
1042   {
1043     hbmOld = (HBITMAP) SelectObject(hdcMem, hBitmap);
1044
1045     int i, j, k;
1046     for ( i = 0; i < width; i++)
1047     {
1048         for ( j = 0; j < height; j++)
1049         {
1050             COLORREF pixel = ::GetPixel(hdcMem, i, j);
1051 /*
1052             BYTE red = GetRValue(pixel);
1053             BYTE green = GetGValue(pixel);
1054             BYTE blue = GetBValue(pixel);
1055 */
1056
1057             for ( k = 0; k < NUM_MAPS; k ++)
1058             {
1059                 if ( ColorMap[k].from == pixel )
1060                 {
1061                     /* COLORREF actualPixel = */ ::SetPixel(hdcMem, i, j, ColorMap[k].to);
1062                     break;
1063                 }
1064             }
1065         }
1066     }
1067
1068
1069     SelectObject(hdcMem, hbmOld);
1070     DeleteObject(hdcMem);
1071   }
1072
1073 }
1074
1075 // Some experiments...
1076 #if 0
1077   // What we want to do is create another bitmap which has a depth of 4,
1078   // and set the bits. So probably we want to convert this HBITMAP into a
1079   // DIB, then call SetDIBits.
1080   // AAAGH. The stupid thing is that if newBitmap has a depth of 4 (less than that of
1081   // the screen), then SetDIBits fails.
1082   HBITMAP newBitmap = ::CreateBitmap(totalBitmapWidth, totalBitmapHeight, 1, 4, NULL);
1083   HANDLE newDIB = ::BitmapToDIB((HBITMAP) m_hBitmap, NULL);
1084   LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) GlobalLock(newDIB);
1085
1086   dc = ::GetDC(NULL);
1087 //  LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) newDIB;
1088
1089   int result = ::SetDIBits(dc, newBitmap, 0, lpbmi->biHeight, FindDIBBits((LPSTR)lpbmi), (LPBITMAPINFO)lpbmi,
1090     DIB_PAL_COLORS);
1091   DWORD err = GetLastError();
1092
1093   ::ReleaseDC(NULL, dc);
1094
1095   // Delete the DIB
1096   GlobalUnlock (newDIB);
1097   GlobalFree (newDIB);
1098
1099 //  WXHBITMAP hBitmap2 = wxCreateMappedBitmap((WXHINSTANCE) wxGetInstance(), (WXHBITMAP) m_hBitmap);
1100   // Substitute our new bitmap for the old one
1101   ::DeleteObject((HBITMAP) m_hBitmap);
1102   m_hBitmap = (WXHBITMAP) newBitmap;
1103 #endif
1104
1105
1106 #endif // wxUSE_TOOLBAR && Win95