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 #if defined(__WIN95__) && !((defined(__GNUWIN32_OLD__) || defined(__TWIN32__)) && !defined(__CYGWIN10__))
  54     #include <commctrl.h>
  55 #else
  56     #include "wx/msw/gnuwin32/extra.h"
  57 #endif
  58
  59 #endif // __TWIN32__
  60
  61 #include "wx/msw/dib.h"
  62 #include "wx/app.h"         // for GetComCtl32Version
  63
  64 #if defined(__MWERKS__) && defined(__WXMSW__)
  65 // including <windef.h> for max definition doesn't seem
  66 // to work using CodeWarrior 6 Windows. So we define it
  67 // here. (Otherwise we get a undefined identifier 'max'
  68 // later on in this file.) (Added by dimitri@shortcut.nl)
  69 #   ifndef max
  70 #       define max(a,b)            (((a) > (b)) ? (a) : (b))
  71 #   endif
  72
  73 #endif
  74
  75 // ----------------------------------------------------------------------------
  76 // conditional compilation
  77 // ----------------------------------------------------------------------------
  78
  79 // wxWindows previously always considered that toolbar buttons have light grey
  80 // (0xc0c0c0) background and so ignored any bitmap masks - however, this
  81 // doesn't work with XPMs which then appear to have black background. To make
  82 // this work, we must respect the bitmap masks - which we do now. This should
  83 // be ok in any case, but to restore 100% compatible with the old version
  84 // behaviour, you can set this to 0.
  85 #define USE_BITMAP_MASKS 1
  86
  87 // ----------------------------------------------------------------------------
  88 // constants
  89 // ----------------------------------------------------------------------------
  90
  91 // these standard constants are not always defined in compilers headers
  92
  93 // Styles
  94 #ifndef TBSTYLE_FLAT
  95     #define TBSTYLE_LIST            0x1000
  96     #define TBSTYLE_FLAT            0x0800
  97     #define TBSTYLE_TRANSPARENT     0x8000
  98 #endif
  99  // use TBSTYLE_TRANSPARENT if you use TBSTYLE_FLAT
 100
 101 // Messages
 102 #ifndef TB_GETSTYLE
 103     #define TB_SETSTYLE             (WM_USER + 56)
 104     #define TB_GETSTYLE             (WM_USER + 57)
 105 #endif
 106
 107 #ifndef TB_HITTEST
 108     #define TB_HITTEST              (WM_USER + 69)
 109 #endif
 110
 111 // these values correspond to those used by comctl32.dll
 112 #define DEFAULTBITMAPX   16
 113 #define DEFAULTBITMAPY   15
 114 #define DEFAULTBUTTONX   24
 115 #define DEFAULTBUTTONY   24
 116 #define DEFAULTBARHEIGHT 27
 117
 118 // ----------------------------------------------------------------------------
 119 // private function prototypes
 120 // ----------------------------------------------------------------------------
 121
 122 // adjust toolbar bitmap colours
 123 // static void wxMapBitmap(HBITMAP hBitmap, int width, int height);
 124
 125 // ----------------------------------------------------------------------------
 126 // wxWin macros
 127 // ----------------------------------------------------------------------------
 128
 129 IMPLEMENT_DYNAMIC_CLASS(wxToolBar, wxToolBarBase)
 130
 131 BEGIN_EVENT_TABLE(wxToolBar, wxToolBarBase)
 132     EVT_MOUSE_EVENTS(wxToolBar::OnMouseEvent)
 133     EVT_SYS_COLOUR_CHANGED(wxToolBar::OnSysColourChanged)
 134 END_EVENT_TABLE()
 135
 136 // ----------------------------------------------------------------------------
 137 // private classes
 138 // ----------------------------------------------------------------------------
 139
 140 class wxToolBarTool : public wxToolBarToolBase
 141 {
 142 public:
 143     wxToolBarTool(wxToolBar *tbar,
 144                   int id,
 145                   const wxBitmap& bitmap1,
 146                   const wxBitmap& bitmap2,
 147                   bool toggle,
 148                   wxObject *clientData,
 149                   const wxString& shortHelpString,
 150                   const wxString& longHelpString)
 151         : wxToolBarToolBase(tbar, id, bitmap1, bitmap2, toggle,
 152                             clientData, shortHelpString, longHelpString)
 153     {
 154         m_nSepCount = 0;
 155     }
 156
 157     wxToolBarTool(wxToolBar *tbar, wxControl *control)
 158         : wxToolBarToolBase(tbar, control)
 159     {
 160         m_nSepCount = 1;
 161     }
 162
 163     // set/get the number of separators which we use to cover the space used by
 164     // a control in the toolbar
 165     void SetSeparatorsCount(size_t count) { m_nSepCount = count; }
 166     size_t GetSeparatorsCount() const { return m_nSepCount; }
 167
 168 private:
 169     size_t m_nSepCount;
 170 };
 171
 172
 173 // ============================================================================
 174 // implementation
 175 // ============================================================================
 176
 177 // ----------------------------------------------------------------------------
 178 // wxToolBarTool
 179 // ----------------------------------------------------------------------------
 180
 181 wxToolBarToolBase *wxToolBar::CreateTool(int id,
 182                                          const wxBitmap& bitmap1,
 183                                          const wxBitmap& bitmap2,
 184                                          bool toggle,
 185                                          wxObject *clientData,
 186                                          const wxString& shortHelpString,
 187                                          const wxString& longHelpString)
 188 {
 189     return new wxToolBarTool(this, id, bitmap1, bitmap2, toggle,
 190                              clientData, shortHelpString, longHelpString);
 191 }
 192
 193 wxToolBarToolBase *wxToolBar::CreateTool(wxControl *control)
 194 {
 195     return new wxToolBarTool(this, control);
 196 }
 197
 198 // ----------------------------------------------------------------------------
 199 // wxToolBar construction
 200 // ----------------------------------------------------------------------------
 201
 202 void wxToolBar::Init()
 203 {
 204     m_hBitmap = 0;
 205
 206     m_nButtons = 0;
 207
 208     m_defaultWidth = DEFAULTBITMAPX;
 209     m_defaultHeight = DEFAULTBITMAPY;
 210
 211     m_pInTool = 0;
 212 }
 213
 214 bool wxToolBar::Create(wxWindow *parent,
 215                        wxWindowID id,
 216                        const wxPoint& pos,
 217                        const wxSize& size,
 218                        long style,
 219                        const wxString& name)
 220 {
 221     // common initialisation
 222     if ( !CreateControl(parent, id, pos, size, style, wxDefaultValidator, name) )
 223         return FALSE;
 224
 225     // prepare flags
 226     DWORD msflags = 0;      // WS_VISIBLE | WS_CHILD always included
 227     if (style & wxBORDER)
 228         msflags |= WS_BORDER;
 229
 230    if ( style & wxCLIP_SIBLINGS )
 231         msflags |= WS_CLIPSIBLINGS;
 232
 233 #ifdef TBSTYLE_TOOLTIPS
 234     msflags |= TBSTYLE_TOOLTIPS;
 235 #endif
 236
 237     if (style & wxTB_FLAT)
 238     {
 239         if (wxTheApp->GetComCtl32Version() > 400)
 240             msflags |= TBSTYLE_FLAT;
 241     }
 242
 243     // MSW-specific initialisation
 244     if ( !wxControl::MSWCreateControl(TOOLBARCLASSNAME, msflags) )
 245         return FALSE;
 246
 247     // toolbar-specific post initialisation
 248     ::SendMessage(GetHwnd(), TB_BUTTONSTRUCTSIZE, sizeof(TBBUTTON), 0);
 249
 250     // set up the colors and fonts
 251     wxRGBToColour(m_backgroundColour, GetSysColor(COLOR_BTNFACE));
 252     m_foregroundColour = *wxBLACK;
 253
 254     SetFont(wxSystemSettings::GetSystemFont(wxSYS_DEFAULT_GUI_FONT));
 255
 256     // position it
 257     int x = pos.x;
 258     int y = pos.y;
 259     int width = size.x;
 260     int height = size.y;
 261
 262     if (width <= 0)
 263         width = 100;
 264     if (height <= 0)
 265         height = m_defaultHeight;
 266     if (x < 0)
 267         x = 0;
 268     if (y < 0)
 269         y = 0;
 270
 271     SetSize(x, y, width, height);
 272
 273     return TRUE;
 274 }
 275
 276 wxToolBar::~wxToolBar()
 277 {
 278     // we must refresh the frame size when the toolbar is deleted but the frame
 279     // is not - otherwise toolbar leaves a hole in the place it used to occupy
 280     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 281     if ( frame && !frame->IsBeingDeleted() )
 282     {
 283         frame->SendSizeEvent();
 284     }
 285
 286     if ( m_hBitmap )
 287     {
 288         ::DeleteObject((HBITMAP) m_hBitmap);
 289     }
 290 }
 291
 292 // ----------------------------------------------------------------------------
 293 // adding/removing tools
 294 // ----------------------------------------------------------------------------
 295
 296 bool wxToolBar::DoInsertTool(size_t WXUNUSED(pos),
 297                              wxToolBarToolBase *tool)
 298 {
 299     // nothing special to do here - we really create the toolbar buttons in
 300     // Realize() later
 301     tool->Attach(this);
 302
 303     return TRUE;
 304 }
 305
 306 bool wxToolBar::DoDeleteTool(size_t pos, wxToolBarToolBase *tool)
 307 {
 308     // the main difficulty we have here is with the controls in the toolbars:
 309     // as we (sometimes) use several separators to cover up the space used by
 310     // them, the indices are not the same for us and the toolbar
 311
 312     // first determine the position of the first button to delete: it may be
 313     // different from pos if we use several separators to cover the space used
 314     // by a control
 315     wxToolBarToolsList::Node *node;
 316     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 317     {
 318         wxToolBarToolBase *tool2 = node->GetData();
 319         if ( tool2 == tool )
 320         {
 321             // let node point to the next node in the list
 322             node = node->GetNext();
 323
 324             break;
 325         }
 326
 327         if ( tool2->IsControl() )
 328         {
 329             pos += ((wxToolBarTool *)tool2)->GetSeparatorsCount() - 1;
 330         }
 331     }
 332
 333     // now determine the number of buttons to delete and the area taken by them
 334     size_t nButtonsToDelete = 1;
 335
 336     // get the size of the button we're going to delete
 337     RECT r;
 338     if ( !::SendMessage(GetHwnd(), TB_GETITEMRECT, pos, (LPARAM)&r) )
 339     {
 340         wxLogLastError(_T("TB_GETITEMRECT"));
 341     }
 342
 343     int width = r.right - r.left;
 344
 345     if ( tool->IsControl() )
 346     {
 347         nButtonsToDelete = ((wxToolBarTool *)tool)->GetSeparatorsCount();
 348
 349         width *= nButtonsToDelete;
 350     }
 351
 352     // do delete all buttons
 353     m_nButtons -= nButtonsToDelete;
 354     while ( nButtonsToDelete-- > 0 )
 355     {
 356         if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, pos, 0) )
 357         {
 358             wxLogLastError(wxT("TB_DELETEBUTTON"));
 359
 360             return FALSE;
 361         }
 362     }
 363
 364     tool->Detach();
 365
 366     // and finally reposition all the controls after this button (the toolbar
 367     // takes care of all normal items)
 368     for ( /* node -> first after deleted */ ; node; node = node->GetNext() )
 369     {
 370         wxToolBarToolBase *tool2 = node->GetData();
 371         if ( tool2->IsControl() )
 372         {
 373             int x;
 374             wxControl *control = tool2->GetControl();
 375             control->GetPosition(&x, NULL);
 376             control->Move(x - width, -1);
 377         }
 378     }
 379
 380     return TRUE;
 381 }
 382
 383 bool wxToolBar::Realize()
 384 {
 385     size_t nTools = GetToolsCount();
 386     if ( nTools == 0 )
 387     {
 388         // nothing to do
 389         return TRUE;
 390     }
 391
 392     bool isVertical = (GetWindowStyle() & wxTB_VERTICAL) != 0;
 393
 394     // First, add the bitmap: we use one bitmap for all toolbar buttons
 395     // ----------------------------------------------------------------
 396
 397     // if we already have a bitmap, we'll replace the existing one - otherwise
 398     // we'll install a new one
 399     HBITMAP oldToolBarBitmap = (HBITMAP)m_hBitmap;
 400
 401     int totalBitmapWidth = (int)(m_defaultWidth * nTools);
 402     int totalBitmapHeight = (int)m_defaultHeight;
 403
 404     // Create a bitmap and copy all the tool bitmaps to it
 405 #if USE_BITMAP_MASKS
 406     wxMemoryDC dcAllButtons;
 407     wxBitmap bitmap(totalBitmapWidth, totalBitmapHeight);
 408     dcAllButtons.SelectObject(bitmap);
 409     dcAllButtons.SetBackground(*wxLIGHT_GREY_BRUSH);
 410     dcAllButtons.Clear();
 411
 412     m_hBitmap = bitmap.GetHBITMAP();
 413     HBITMAP hBitmap = (HBITMAP)m_hBitmap;
 414 #else // !USE_BITMAP_MASKS
 415     HBITMAP hBitmap = ::CreateCompatibleBitmap(ScreenHDC(),
 416                                                totalBitmapWidth,
 417                                                totalBitmapHeight);
 418     if ( !hBitmap )
 419     {
 420         wxLogLastError(_T("CreateCompatibleBitmap"));
 421
 422         return FALSE;
 423     }
 424
 425     m_hBitmap = (WXHBITMAP)hBitmap;
 426
 427     HDC memoryDC = ::CreateCompatibleDC(NULL);
 428     HBITMAP oldBitmap = (HBITMAP) ::SelectObject(memoryDC, hBitmap);
 429
 430     HDC memoryDC2 = ::CreateCompatibleDC(NULL);
 431 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 432
 433     // the button position
 434     wxCoord x = 0;
 435
 436     // the number of buttons (not separators)
 437     int nButtons = 0;
 438
 439     wxToolBarToolsList::Node *node = m_tools.GetFirst();
 440     while ( node )
 441     {
 442         wxToolBarToolBase *tool = node->GetData();
 443         if ( tool->IsButton() )
 444         {
 445             const wxBitmap& bmp = tool->GetBitmap1();
 446             if ( bmp.Ok() )
 447             {
 448 #if USE_BITMAP_MASKS
 449                 // notice the last parameter: do use mask
 450                 dcAllButtons.DrawBitmap(tool->GetBitmap1(), x, 0, TRUE);
 451 #else // !USE_BITMAP_MASKS
 452                 HBITMAP hbmp = GetHbitmapOf(bmp);
 453                 HBITMAP oldBitmap2 = (HBITMAP)::SelectObject(memoryDC2, hbmp);
 454                 if ( !BitBlt(memoryDC, x, 0,  m_defaultWidth, m_defaultHeight,
 455                              memoryDC2, 0, 0, SRCCOPY) )
 456                 {
 457                     wxLogLastError(wxT("BitBlt"));
 458                 }
 459
 460                 ::SelectObject(memoryDC2, oldBitmap2);
 461 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 462             }
 463             else
 464             {
 465                 wxFAIL_MSG( _T("invalid tool button bitmap") );
 466             }
 467
 468             // still inc width and number of buttons because otherwise the
 469             // subsequent buttons will all be shifted which is rather confusing
 470             // (and like this you'd see immediately which bitmap was bad)
 471             x += m_defaultWidth;
 472             nButtons++;
 473         }
 474
 475         node = node->GetNext();
 476     }
 477
 478 #if USE_BITMAP_MASKS
 479     dcAllButtons.SelectObject(wxNullBitmap);
 480
 481     // don't delete this HBITMAP!
 482     bitmap.SetHBITMAP(0);
 483 #else // !USE_BITMAP_MASKS
 484     ::SelectObject(memoryDC, oldBitmap);
 485     ::DeleteDC(memoryDC);
 486     ::DeleteDC(memoryDC2);
 487 #endif // USE_BITMAP_MASKS/!USE_BITMAP_MASKS
 488
 489     // Map to system colours
 490     MapBitmap((WXHBITMAP) hBitmap, totalBitmapWidth, totalBitmapHeight);
 491
 492     int bitmapId = 0;
 493
 494     bool addBitmap = TRUE;
 495
 496     if ( oldToolBarBitmap )
 497     {
 498 #ifdef TB_REPLACEBITMAP
 499         if ( wxTheApp->GetComCtl32Version() >= 400 )
 500         {
 501             TBREPLACEBITMAP replaceBitmap;
 502             replaceBitmap.hInstOld = NULL;
 503             replaceBitmap.hInstNew = NULL;
 504             replaceBitmap.nIDOld = (UINT) oldToolBarBitmap;
 505             replaceBitmap.nIDNew = (UINT) hBitmap;
 506             replaceBitmap.nButtons = nButtons;
 507             if ( !::SendMessage(GetHwnd(), TB_REPLACEBITMAP,
 508                                 0, (LPARAM) &replaceBitmap) )
 509             {
 510                 wxFAIL_MSG(wxT("Could not replace the old bitmap"));
 511             }
 512
 513             ::DeleteObject(oldToolBarBitmap);
 514
 515             // already done
 516             addBitmap = FALSE;
 517         }
 518         else
 519 #endif // TB_REPLACEBITMAP
 520         {
 521             // we can't replace the old bitmap, so we will add another one
 522             // (awfully inefficient, but what else to do?) and shift the bitmap
 523             // indices accordingly
 524             addBitmap = TRUE;
 525
 526             bitmapId = m_nButtons;
 527         }
 528
 529         // Now delete all the buttons
 530         for ( size_t pos = 0; pos < m_nButtons; pos++ )
 531         {
 532             if ( !::SendMessage(GetHwnd(), TB_DELETEBUTTON, 0, 0) )
 533             {
 534                 wxLogDebug(wxT("TB_DELETEBUTTON failed"));
 535             }
 536         }
 537
 538     }
 539
 540     if ( addBitmap ) // no old bitmap or we can't replace it
 541     {
 542         TBADDBITMAP addBitmap;
 543         addBitmap.hInst = 0;
 544         addBitmap.nID = (UINT) hBitmap;
 545         if ( ::SendMessage(GetHwnd(), TB_ADDBITMAP,
 546                            (WPARAM) nButtons, (LPARAM)&addBitmap) == -1 )
 547         {
 548             wxFAIL_MSG(wxT("Could not add bitmap to toolbar"));
 549         }
 550     }
 551
 552     // Next add the buttons and separators
 553     // -----------------------------------
 554
 555     TBBUTTON *buttons = new TBBUTTON[nTools];
 556
 557     // this array will hold the indices of all controls in the toolbar
 558     wxArrayInt controlIds;
 559
 560     int i = 0;
 561     for ( node = m_tools.GetFirst(); node; node = node->GetNext() )
 562     {
 563         wxToolBarToolBase *tool = node->GetData();
 564
 565         // don't add separators to the vertical toolbar - looks ugly
 566         if ( isVertical && tool->IsSeparator() )
 567             continue;
 568
 569         TBBUTTON& button = buttons[i];
 570
 571         wxZeroMemory(button);
 572
 573         switch ( tool->GetStyle() )
 574         {
 575             case wxTOOL_STYLE_CONTROL:
 576                 button.idCommand = tool->GetId();
 577                 // fall through: create just a separator too
 578
 579             case wxTOOL_STYLE_SEPARATOR:
 580                 button.fsState = TBSTATE_ENABLED;
 581                 button.fsStyle = TBSTYLE_SEP;
 582                 break;
 583
 584             case wxTOOL_STYLE_BUTTON:
 585                 button.iBitmap = bitmapId;
 586                 button.idCommand = tool->GetId();
 587
 588                 if ( tool->IsEnabled() )
 589                     button.fsState |= TBSTATE_ENABLED;
 590                 if ( tool->IsToggled() )
 591                     button.fsState |= TBSTATE_CHECKED;
 592
 593                 button.fsStyle = tool->CanBeToggled() ? TBSTYLE_CHECK
 594                                                       : TBSTYLE_BUTTON;
 595
 596                 bitmapId++;
 597                 break;
 598         }
 599
 600         i++;
 601     }
 602
 603     if ( !::SendMessage(GetHwnd(), TB_ADDBUTTONS,
 604                         (WPARAM)i, (LPARAM)buttons) )
 605     {
 606         wxLogLastError(wxT("TB_ADDBUTTONS"));
 607     }
 608
 609     delete [] buttons;
 610
 611     // Deal with the controls finally
 612     // ------------------------------
 613
 614     // adjust the controls size to fit nicely in the toolbar
 615     size_t index = 0;
 616     for ( node = m_tools.GetFirst(); node; node = node->GetNext(), index++ )
 617     {
 618         wxToolBarToolBase *tool = node->GetData();
 619         if ( !tool->IsControl() )
 620             continue;
 621
 622         wxControl *control = tool->GetControl();
 623
 624         wxSize size = control->GetSize();
 625
 626         // the position of the leftmost controls corner
 627         int left = -1;
 628
 629         // note that we use TB_GETITEMRECT and not TB_GETRECT because the
 630         // latter only appeared in v4.70 of comctl32.dll
 631         RECT r;
 632         if ( !SendMessage(GetHwnd(), TB_GETITEMRECT,
 633                           index, (LPARAM)(LPRECT)&r) )
 634         {
 635             wxLogLastError(wxT("TB_GETITEMRECT"));
 636         }
 637
 638         // TB_SETBUTTONINFO message is only supported by comctl32.dll 4.71+
 639         #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
 640             // available in headers, now check whether it is available now
 641             // (during run-time)
 642             if ( wxTheApp->GetComCtl32Version() >= 471 )
 643             {
 644                 // set the (underlying) separators width to be that of the
 645                 // control
 646                 TBBUTTONINFO tbbi;
 647                 tbbi.cbSize = sizeof(tbbi);
 648                 tbbi.dwMask = TBIF_SIZE;
 649                 tbbi.cx = size.x;
 650                 if ( !SendMessage(GetHwnd(), TB_SETBUTTONINFO,
 651                                   tool->GetId(), (LPARAM)&tbbi) )
 652                 {
 653                     // the id is probably invalid?
 654                     wxLogLastError(wxT("TB_SETBUTTONINFO"));
 655                 }
 656             }
 657             else
 658         #endif // comctl32.dll 4.71
 659             // TB_SETBUTTONINFO unavailable
 660             {
 661                 // try adding several separators to fit the controls width
 662                 int widthSep = r.right - r.left;
 663                 left = r.left;
 664
 665                 TBBUTTON tbb;
 666                 wxZeroMemory(tbb);
 667                 tbb.idCommand = 0;
 668                 tbb.fsState = TBSTATE_ENABLED;
 669                 tbb.fsStyle = TBSTYLE_SEP;
 670
 671                 size_t nSeparators = size.x / widthSep;
 672                 for ( size_t nSep = 0; nSep < nSeparators; nSep++ )
 673                 {
 674                     if ( !SendMessage(GetHwnd(), TB_INSERTBUTTON,
 675                                       index, (LPARAM)&tbb) )
 676                     {
 677                         wxLogLastError(wxT("TB_INSERTBUTTON"));
 678                     }
 679
 680                     index++;
 681                 }
 682
 683                 // remember the number of separators we used - we'd have to
 684                 // delete all of them later
 685                 ((wxToolBarTool *)tool)->SetSeparatorsCount(nSeparators);
 686
 687                 // adjust the controls width to exactly cover the separators
 688                 control->SetSize((nSeparators + 1)*widthSep, -1);
 689             }
 690
 691         // and position the control itself correctly vertically
 692         int height = r.bottom - r.top;
 693         int diff = height - size.y;
 694         if ( diff < 0 )
 695         {
 696             // the control is too high, resize to fit
 697             control->SetSize(-1, height - 2);
 698
 699             diff = 2;
 700         }
 701
 702         control->Move(left == -1 ? r.left : left, r.top + (diff + 1) / 2);
 703     }
 704
 705     // the max index is the "real" number of buttons - i.e. counting even the
 706     // separators which we added just for aligning the controls
 707     m_nButtons = index;
 708
 709     if ( !isVertical )
 710     {
 711         if ( m_maxRows == 0 )
 712         {
 713             // if not set yet, only one row
 714             SetRows(1);
 715         }
 716     }
 717     else if ( m_nButtons > 0 ) // vertical non empty toolbar
 718     {
 719         if ( m_maxRows == 0 )
 720         {
 721             // if not set yet, have one column
 722             SetRows(m_nButtons);
 723         }
 724     }
 725
 726     return TRUE;
 727 }
 728
 729 // ----------------------------------------------------------------------------
 730 // message handlers
 731 // ----------------------------------------------------------------------------
 732
 733 bool wxToolBar::MSWCommand(WXUINT WXUNUSED(cmd), WXWORD id)
 734 {
 735     wxToolBarToolBase *tool = FindById((int)id);
 736     if ( !tool )
 737         return FALSE;
 738
 739     if ( tool->CanBeToggled() )
 740     {
 741         LRESULT state = ::SendMessage(GetHwnd(), TB_GETSTATE, id, 0);
 742         tool->Toggle((state & TBSTATE_CHECKED) != 0);
 743     }
 744
 745     bool toggled = tool->IsToggled();
 746
 747     // OnLeftClick() can veto the button state change - for buttons which may
 748     // be toggled only, of couse
 749     if ( !OnLeftClick((int)id, toggled) && tool->CanBeToggled() )
 750     {
 751         // revert back
 752         toggled = !toggled;
 753         tool->SetToggle(toggled);
 754
 755         ::SendMessage(GetHwnd(), TB_CHECKBUTTON, id, MAKELONG(toggled, 0));
 756     }
 757
 758     return TRUE;
 759 }
 760
 761 bool wxToolBar::MSWOnNotify(int WXUNUSED(idCtrl),
 762                             WXLPARAM lParam,
 763                             WXLPARAM *WXUNUSED(result))
 764 {
 765     // First check if this applies to us
 766     NMHDR *hdr = (NMHDR *)lParam;
 767
 768     // the tooltips control created by the toolbar is sometimes Unicode, even
 769     // in an ANSI application - this seems to be a bug in comctl32.dll v5
 770     int code = (int)hdr->code;
 771     if ( (code != TTN_NEEDTEXTA) && (code != TTN_NEEDTEXTW) )
 772         return FALSE;
 773
 774     HWND toolTipWnd = (HWND)::SendMessage((HWND)GetHWND(), TB_GETTOOLTIPS, 0, 0);
 775     if ( toolTipWnd != hdr->hwndFrom )
 776         return FALSE;
 777
 778     LPTOOLTIPTEXT ttText = (LPTOOLTIPTEXT)lParam;
 779     int id = (int)ttText->hdr.idFrom;
 780
 781     wxToolBarToolBase *tool = FindById(id);
 782     if ( !tool )
 783         return FALSE;
 784
 785     const wxString& help = tool->GetShortHelp();
 786
 787     if ( !help.IsEmpty() )
 788     {
 789         if ( code == TTN_NEEDTEXTA )
 790         {
 791             ttText->lpszText = (wxChar *)help.c_str();
 792         }
 793         else
 794         {
 795 #if wxUSE_UNICODE
 796             ttText->lpszText = (wxChar *)help.c_str();
 797 #else
 798             // VZ: I don't know why it happens, but the versions of
 799             //     comctl32.dll starting from 4.70 sometimes send TTN_NEEDTEXTW
 800             //     even to ANSI programs (normally, this message is supposed
 801             //     to be sent to Unicode programs only) - hence we need to
 802             //     handle it as well, otherwise no tooltips will be shown in
 803             //     this case
 804
 805             size_t lenAnsi = help.Len();
 806             #ifdef __MWERKS__
 807                 // MetroWerks doesn't like calling mbstowcs with NULL argument
 808                 size_t lenUnicode = 2*lenAnsi;
 809             #else
 810                 size_t lenUnicode = mbstowcs(NULL, help, lenAnsi);
 811             #endif
 812
 813             // using the pointer of right type avoids us doing all sorts of
 814             // pointer arithmetics ourselves
 815             wchar_t *dst = (wchar_t *)ttText->szText,
 816                     *pwz = new wchar_t[lenUnicode + 1];
 817             mbstowcs(pwz, help, lenAnsi + 1);
 818             memcpy(dst, pwz, lenUnicode*sizeof(wchar_t));
 819
 820             // put the terminating _wide_ NUL
 821             dst[lenUnicode] = 0;
 822
 823             delete [] pwz;
 824 #endif
 825         }
 826     }
 827
 828     return TRUE;
 829 }
 830
 831 // ----------------------------------------------------------------------------
 832 // toolbar geometry
 833 // ----------------------------------------------------------------------------
 834
 835 void wxToolBar::SetToolBitmapSize(const wxSize& size)
 836 {
 837     wxToolBarBase::SetToolBitmapSize(size);
 838
 839     ::SendMessage(GetHwnd(), TB_SETBITMAPSIZE, 0, MAKELONG(size.x, size.y));
 840 }
 841
 842 void wxToolBar::SetRows(int nRows)
 843 {
 844     if ( nRows == m_maxRows )
 845     {
 846         // avoid resizing the frame uselessly
 847         return;
 848     }
 849
 850     // TRUE in wParam means to create at least as many rows, FALSE -
 851     // at most as many
 852     RECT rect;
 853     ::SendMessage(GetHwnd(), TB_SETROWS,
 854                   MAKEWPARAM(nRows, !(GetWindowStyle() & wxTB_VERTICAL)),
 855                   (LPARAM) &rect);
 856
 857     m_maxRows = nRows;
 858
 859     UpdateSize();
 860 }
 861
 862 // The button size is bigger than the bitmap size
 863 wxSize wxToolBar::GetToolSize() const
 864 {
 865     // TB_GETBUTTONSIZE is supported from version 4.70
 866 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x300 ) \
 867     && !( defined(__GNUWIN32__) && !wxCHECK_W32API_VERSION( 1, 0 ) )
 868     if ( wxTheApp->GetComCtl32Version() >= 470 )
 869     {
 870         DWORD dw = ::SendMessage(GetHwnd(), TB_GETBUTTONSIZE, 0, 0);
 871
 872         return wxSize(LOWORD(dw), HIWORD(dw));
 873     }
 874     else
 875 #endif // comctl32.dll 4.70+
 876     {
 877         // defaults
 878         return wxSize(m_defaultWidth + 8, m_defaultHeight + 7);
 879     }
 880 }
 881
 882 static
 883 wxToolBarToolBase *GetItemSkippingDummySpacers(const wxToolBarToolsList& tools,
 884                                                size_t index )
 885 {
 886     wxToolBarToolsList::Node* current = tools.GetFirst();
 887
 888     for ( ; current != 0; current = current->GetNext() )
 889     {
 890         if ( index == 0 )
 891             return current->GetData();
 892
 893         wxToolBarTool *tool = (wxToolBarTool *)current->GetData();
 894         size_t separators = tool->GetSeparatorsCount();
 895
 896         // if it is a normal button, sepcount == 0, so skip 1 item (the button)
 897         // otherwise, skip as many items as the separator count, plus the
 898         // control itself
 899         index -= separators ? separators + 1 : 1;
 900     }
 901
 902     return 0;
 903 }
 904
 905 wxToolBarToolBase *wxToolBar::FindToolForPosition(wxCoord x, wxCoord y) const
 906 {
 907     POINT pt;
 908     pt.x = x;
 909     pt.y = y;
 910     int index = (int)::SendMessage(GetHwnd(), TB_HITTEST, 0, (LPARAM)&pt);
 911     // MBN: when the point ( x, y ) is close to the toolbar border
 912     //      TB_HITTEST returns m_nButtons ( not -1 )
 913     if ( index < 0 || (size_t)index >= m_nButtons )
 914     {
 915         // it's a separator or there is no tool at all there
 916         return (wxToolBarToolBase *)NULL;
 917     }
 918
 919     // if comctl32 version < 4.71 wxToolBar95 adds dummy spacers
 920 #if defined(_WIN32_IE) && (_WIN32_IE >= 0x400 )
 921     if ( wxTheApp->GetComCtl32Version() >= 471 )
 922     {
 923         return m_tools.Item((size_t)index)->GetData();
 924     }
 925     else
 926 #endif
 927     {
 928         return GetItemSkippingDummySpacers( m_tools, (size_t) index );
 929     }
 930 }
 931
 932 void wxToolBar::UpdateSize()
 933 {
 934     // the toolbar size changed
 935     SendMessage(GetHwnd(), TB_AUTOSIZE, 0, 0);
 936
 937     // we must also refresh the frame after the toolbar size (possibly) changed
 938     wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
 939     if ( frame )
 940     {
 941         frame->SendSizeEvent();
 942     }
 943 }
 944
 945 // ----------------------------------------------------------------------------
 946 // tool state
 947 // ----------------------------------------------------------------------------
 948
 949 void wxToolBar::DoEnableTool(wxToolBarToolBase *tool, bool enable)
 950 {
 951     ::SendMessage(GetHwnd(), TB_ENABLEBUTTON,
 952                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(enable, 0));
 953 }
 954
 955 void wxToolBar::DoToggleTool(wxToolBarToolBase *tool, bool toggle)
 956 {
 957     ::SendMessage(GetHwnd(), TB_CHECKBUTTON,
 958                   (WPARAM)tool->GetId(), (LPARAM)MAKELONG(toggle, 0));
 959 }
 960
 961 void wxToolBar::DoSetToggle(wxToolBarToolBase *WXUNUSED(tool), bool WXUNUSED(toggle))
 962 {
 963     // VZ: AFAIK, the button has to be created either with TBSTYLE_CHECK or
 964     //     without, so we really need to delete the button and recreate it here
 965     wxFAIL_MSG( _T("not implemented") );
 966 }
 967
 968 // ----------------------------------------------------------------------------
 969 // event handlers
 970 // ----------------------------------------------------------------------------
 971
 972 // Responds to colour changes, and passes event on to children.
 973 void wxToolBar::OnSysColourChanged(wxSysColourChangedEvent& event)
 974 {
 975     wxRGBToColour(m_backgroundColour, ::GetSysColor(COLOR_BTNFACE));
 976
 977     // Remap the buttons
 978     Realize();
 979
 980     // Relayout the toolbar
 981     int nrows = m_maxRows;
 982     m_maxRows = 0;      // otherwise SetRows() wouldn't do anything
 983     SetRows(nrows);
 984
 985     Refresh();
 986
 987     // let the event propagate further
 988     event.Skip();
 989 }
 990
 991 void wxToolBar::OnMouseEvent(wxMouseEvent& event)
 992 {
 993     if (event.RightDown())
 994     {
 995         // For now, we don't have an id. Later we could
 996         // try finding the tool.
 997         OnRightClick((int)-1, event.GetX(), event.GetY());
 998     }
 999     else
1000     {
1001         event.Skip();
1002     }
1003 }
1004
1005 long wxToolBar::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lParam)
1006 {
1007     if ( nMsg == WM_SIZE )
1008     {
1009         // calculate our minor dimenstion ourselves - we're confusing the
1010         // standard logic (TB_AUTOSIZE) with our horizontal toolbars and other
1011         // hacks
1012         RECT r;
1013         if ( ::SendMessage(GetHwnd(), TB_GETITEMRECT, 0, (LPARAM)&r) )
1014         {
1015             int w, h;
1016
1017             if ( GetWindowStyle() & wxTB_VERTICAL )
1018             {
1019                 w = r.right - r.left;
1020                 if ( m_maxRows )
1021                 {
1022                     w *= (m_nButtons + m_maxRows - 1)/m_maxRows;
1023                 }
1024                 h = HIWORD(lParam);
1025             }
1026             else
1027             {
1028                 w = LOWORD(lParam);
1029                 h = r.bottom - r.top;
1030                 if ( m_maxRows )
1031                 {
1032                     h += 6; // FIXME: this is the separator line height...
1033                     h *= m_maxRows;
1034                 }
1035             }
1036
1037             if ( MAKELPARAM(w, h) != lParam )
1038             {
1039                 // size really changed
1040                 SetSize(w, h);
1041             }
1042
1043             // message processed
1044             return 0;
1045         }
1046     }
1047     else if ( nMsg == WM_MOUSEMOVE )
1048     {
1049         wxCoord x = GET_X_LPARAM(lParam), y = GET_Y_LPARAM(lParam);
1050         wxToolBarToolBase* tool = FindToolForPosition( x, y );
1051
1052         // cursor left current tool
1053         if( tool != m_pInTool && !tool )
1054         {
1055             m_pInTool = 0;
1056             OnMouseEnter( -1 );
1057         }
1058
1059         // cursor entered a tool
1060         if( tool != m_pInTool && tool )
1061         {
1062             m_pInTool = tool;
1063             OnMouseEnter( tool->GetId() );
1064         }
1065
1066         // we don't handle mouse moves, so fall through
1067         // to wxControl::MSWWindowProc
1068     }
1069
1070     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
1071 }
1072
1073 // ----------------------------------------------------------------------------
1074 // private functions
1075 // ----------------------------------------------------------------------------
1076
1077 bool wxToolBar::sm_coloursInit = FALSE;
1078 long wxToolBar::sm_stdColours[6];
1079
1080 void wxToolBar::MapBitmap(WXHBITMAP bitmap, int width, int height)
1081 {
1082     if (!sm_coloursInit)
1083     {
1084         // When a bitmap is loaded, the RGB values can change. So we need to have a
1085         // reference bitmap which can tell us what the RGB values change to.
1086         wxBitmap stdColourBitmap("wxBITMAP_STD_COLOURS", wxBITMAP_TYPE_RESOURCE);
1087         if (stdColourBitmap.Ok())
1088         {
1089             wxMemoryDC memDC;
1090             memDC.SelectObject(stdColourBitmap);
1091
1092             int i = 0;
1093             wxColour colour;
1094             for (i = 0; i < 6; i++)
1095             {
1096                 memDC.GetPixel(i, 0, & colour);
1097                 sm_stdColours[i] = RGB(colour.Red(), colour.Green(), colour.Blue());
1098             }
1099             sm_coloursInit = TRUE;
1100             memDC.SelectObject(wxNullBitmap);
1101         }
1102         else
1103         {
1104             sm_stdColours[0] = RGB(000,000,000) ;
1105             sm_stdColours[1] = RGB(128,128,128) ;
1106             sm_stdColours[2] = RGB(192,192,192) ;
1107             sm_stdColours[3] = RGB(255,255,255) ;
1108             sm_stdColours[4] = RGB(000,000,255) ;
1109             sm_stdColours[5] = RGB(255,000,255) ;
1110             sm_coloursInit = TRUE;
1111         }
1112     }
1113
1114     HBITMAP hBitmap = (HBITMAP) bitmap;
1115
1116     COLORMAP ColorMap[5];
1117
1118     ColorMap[0].from = sm_stdColours[0]; ColorMap[0].to = COLOR_BTNTEXT;      // black        (0, 0 0)
1119     ColorMap[1].from = sm_stdColours[1]; ColorMap[1].to = COLOR_BTNSHADOW;    // dark grey    (128, 128, 128)
1120     ColorMap[2].from = sm_stdColours[2]; ColorMap[2].to = COLOR_BTNFACE;      // bright grey  (192, 192, 192)
1121     ColorMap[3].from = sm_stdColours[3]; ColorMap[3].to = COLOR_BTNHIGHLIGHT; // white        (255, 255, 255)
1122     //  ColorMap[4].from = sm_stdColours[4]; ColorMap[4].to = COLOR_HIGHLIGHT;  // blue         (0, 0, 255)
1123     ColorMap[4].from = sm_stdColours[5]; ColorMap[4].to = COLOR_WINDOW;       // magenta      (255, 0, 255)
1124
1125     for ( size_t n = 0; n < WXSIZEOF(ColorMap); n++)
1126     {
1127         ColorMap[n].to = ::GetSysColor(ColorMap[n].to);
1128     }
1129
1130     HBITMAP hbmOld;
1131     HDC hdcMem = CreateCompatibleDC(NULL);
1132
1133     if (hdcMem)
1134     {
1135         hbmOld = (HBITMAP) SelectObject(hdcMem, hBitmap);
1136
1137         for ( int i = 0; i < width; i++ )
1138         {
1139             for ( int j = 0; j < height; j++ )
1140             {
1141                 COLORREF pixel = ::GetPixel(hdcMem, i, j);
1142
1143                 for ( size_t k = 0; k < WXSIZEOF(ColorMap); k++ )
1144                 {
1145                     int distance = abs( GetRValue( pixel ) - GetRValue( ColorMap[k].from )) ;
1146                     distance = max( distance , abs(GetGValue(pixel ) - GetGValue( ColorMap[k].from ))) ;
1147                     distance = max( distance , abs(GetBValue(pixel ) - GetBValue( ColorMap[k].from ))) ;
1148                     if ( distance < 0x10 )
1149                     {
1150                         ::SetPixel(hdcMem, i, j, ColorMap[k].to);
1151                         break;
1152                     }
1153                 }
1154             }
1155         }
1156
1157
1158         SelectObject(hdcMem, hbmOld);
1159         DeleteObject(hdcMem);
1160     }
1161 }
1162
1163 // Some experiments...
1164 #if 0
1165 // What we want to do is create another bitmap which has a depth of 4,
1166 // and set the bits. So probably we want to convert this HBITMAP into a
1167 // DIB, then call SetDIBits.
1168 // AAAGH. The stupid thing is that if newBitmap has a depth of 4 (less than that of
1169 // the screen), then SetDIBits fails.
1170 HBITMAP newBitmap = ::CreateBitmap(totalBitmapWidth, totalBitmapHeight, 1, 4, NULL);
1171 HANDLE newDIB = ::BitmapToDIB((HBITMAP) m_hBitmap, NULL);
1172 LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) GlobalLock(newDIB);
1173
1174 dc = ::GetDC(NULL);
1175 //  LPBITMAPINFOHEADER lpbmi = (LPBITMAPINFOHEADER) newDIB;
1176
1177 int result = ::SetDIBits(dc, newBitmap, 0, lpbmi->biHeight, FindDIBBits((LPSTR)lpbmi), (LPBITMAPINFO)lpbmi,
1178                          DIB_PAL_COLORS);
1179 DWORD err = GetLastError();
1180
1181 ::ReleaseDC(NULL, dc);
1182
1183 // Delete the DIB
1184 GlobalUnlock (newDIB);
1185 GlobalFree (newDIB);
1186
1187 //  WXHBITMAP hBitmap2 = wxCreateMappedBitmap((WXHINSTANCE) wxGetInstance(), (WXHBITMAP) m_hBitmap);
1188 // Substitute our new bitmap for the old one
1189 ::DeleteObject((HBITMAP) m_hBitmap);
1190 m_hBitmap = (WXHBITMAP) newBitmap;
1191 #endif
1192
1193
1194 #endif // wxUSE_TOOLBAR && Win95
1195