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