user/wxLayout/wxlwindow.cpp

   1 /*-*- c++ -*-********************************************************
   2  * wxLwindow.h : a scrolled Window for displaying/entering rich text*
   3  *                                                                  *
   4  * (C) 1998, 1999 by Karsten Ballüder (Ballueder@usa.net)           *
   5  *                                                                  *
   6  * $Id$
   7  *******************************************************************/
   8
   9 #ifdef __GNUG__
  10 #   pragma implementation "wxlwindow.h"
  11 #endif
  12
  13 #include "wx/wxprec.h"
  14 #ifdef __BORLANDC__
  15 #  pragma hdrstop
  16 #endif
  17
  18
  19 #include "Mpch.h"
  20 #ifdef M_BASEDIR
  21 #   ifndef USE_PCH
  22 #     include "Mcommon.h"
  23 #     include "gui/wxMenuDefs.h"
  24 #     include "gui/wxMApp.h"
  25 #   endif // USE_PCH
  26 #   include "gui/wxlwindow.h"
  27 #   include "gui/wxlparser.h"
  28 #else
  29 #   ifdef   __WXMSW__
  30 #       include <windows.h>
  31 #       undef FindWindow
  32 #       undef GetCharWidth
  33 #       undef StartDoc
  34 #   endif
  35
  36 #   include "wxlwindow.h"
  37 #   include "wxlparser.h"
  38 #endif
  39
  40 #include <wx/clipbrd.h>
  41 #include <wx/textctrl.h>
  42 #include <wx/dataobj.h>
  43
  44 #include <ctype.h>
  45
  46 #ifdef WXLAYOUT_DEBUG
  47 #  define   WXLO_DEBUG(x)      wxLogDebug x
  48 #else
  49 #  define WXLO_DEBUG(x)
  50 #endif
  51
  52 /// offsets to put a nice frame around text
  53 #define WXLO_XOFFSET   4
  54 #define WXLO_YOFFSET   4
  55
  56 /// offset to the right and bottom for when to redraw scrollbars
  57 #define   WXLO_ROFFSET   20
  58 #define   WXLO_BOFFSET   20
  59
  60 BEGIN_EVENT_TABLE(wxLayoutWindow,wxScrolledWindow)
  61    EVT_PAINT    (wxLayoutWindow::OnPaint)
  62    EVT_CHAR     (wxLayoutWindow::OnChar)
  63    EVT_KEY_UP   (wxLayoutWindow::OnKeyUp)
  64    EVT_LEFT_DOWN(wxLayoutWindow::OnLeftMouseClick)
  65    EVT_RIGHT_DOWN(wxLayoutWindow::OnRightMouseClick)
  66    EVT_LEFT_DCLICK(wxLayoutWindow::OnMouseDblClick)
  67    EVT_MOTION    (wxLayoutWindow::OnMouseMove)
  68    EVT_MENU_RANGE(WXLOWIN_MENU_FIRST, WXLOWIN_MENU_LAST, wxLayoutWindow::OnMenu)
  69    EVT_SET_FOCUS(wxLayoutWindow::OnSetFocus)
  70    EVT_KILL_FOCUS(wxLayoutWindow::OnKillFocus)
  71 END_EVENT_TABLE()
  72
  73 wxLayoutWindow::wxLayoutWindow(wxWindow *parent)
  74    : wxScrolledWindow(parent, -1, wxDefaultPosition, wxDefaultSize,
  75                       wxHSCROLL | wxVSCROLL | wxBORDER)
  76
  77 {
  78    m_Editable = false;
  79    m_doSendEvents = false;
  80    m_ViewStartX = 0; m_ViewStartY = 0;
  81    m_DoPopupMenu = true;
  82    m_PopupMenu = MakeFormatMenu();
  83    m_memDC = new wxMemoryDC;
  84    m_bitmap = new wxBitmap(4,4);
  85    m_bitmapSize = wxPoint(4,4);
  86    m_llist = new wxLayoutList();
  87    m_BGbitmap = NULL;
  88    m_ScrollToCursor = false;
  89    SetWrapMargin(0);
  90    wxPoint max = m_llist->GetSize();
  91    SetScrollbars(10, 20 /*lineHeight*/, max.x/10+1, max.y/20+1);
  92    EnableScrolling(true,true);
  93    m_maxx = max.x; m_maxy = max.y;
  94    m_Selecting = false;
  95    SetCursor(wxCURSOR_IBEAM);
  96    SetDirty();
  97 }
  98
  99 wxLayoutWindow::~wxLayoutWindow()
 100 {
 101    delete m_memDC; // deletes bitmap automatically (?)
 102    delete m_bitmap;
 103    delete m_llist;
 104    delete m_PopupMenu;
 105    SetBackgroundBitmap(NULL);
 106 }
 107
 108 void
 109 wxLayoutWindow::Clear(int family,
 110                       int size,
 111                       int style,
 112                       int weight,
 113                       int underline,
 114                       wxColour *fg,
 115                       wxColour *bg)
 116 {
 117    GetLayoutList()->Clear(family,size,style,weight,underline,fg,bg);
 118    SetBackgroundColour(GetLayoutList()->GetDefaults()->GetBGColour());
 119    ResizeScrollbars(true);
 120    SetDirty();
 121    SetModified(false);
 122    wxRect r;
 123    int w,h;
 124    r.x = r.y = 0; GetSize(&w,&h);
 125    r.width = w;
 126    r.height = h;
 127    DoPaint(&r);
 128 }
 129
 130 #ifdef __WXMSW__
 131 long
 132 wxLayoutWindow::MSWGetDlgCode()
 133 {
 134    // if we don't return this, we won't get OnChar() events for TABs and ENTER
 135    return DLGC_WANTCHARS | DLGC_WANTARROWS | DLGC_WANTMESSAGE;
 136 }
 137 #endif //MSW
 138
 139 void
 140 wxLayoutWindow::OnMouse(int eventId, wxMouseEvent& event)
 141 {
 142    wxPaintDC dc( this );
 143    PrepareDC( dc );
 144    SetFocus();
 145
 146    wxPoint findPos;
 147    findPos.x = dc.DeviceToLogicalX(event.GetX());
 148    findPos.y = dc.DeviceToLogicalY(event.GetY());
 149
 150    findPos.x -= WXLO_XOFFSET;
 151    findPos.y -= WXLO_YOFFSET;
 152
 153    if(findPos.x < 0) findPos.x = 0;
 154    if(findPos.y < 0) findPos.y = 0;
 155
 156    m_ClickPosition = wxPoint(event.GetX(), event.GetY());
 157
 158    wxPoint cursorPos;
 159    bool found;
 160    wxLayoutObject *obj = m_llist->FindObjectScreen(dc, findPos,
 161                                                    &cursorPos, &found);
 162
 163    //has the mouse only been moved?
 164    if(eventId == WXLOWIN_MENU_MOUSEMOVE)
 165    {
 166       // found is only true if we are really over an object, not just
 167       // behind it
 168       if(found && obj && obj->GetUserData() != NULL)
 169       {
 170          if(!m_HandCursor)
 171             SetCursor(wxCURSOR_HAND);
 172          m_HandCursor = TRUE;
 173       }
 174       else
 175       {
 176          if(m_HandCursor)
 177             SetCursor(wxCURSOR_IBEAM);
 178          m_HandCursor = FALSE;
 179       }
 180       return;
 181    }
 182
 183    // always move cursor to mouse click:
 184    if(obj && eventId == WXLOWIN_MENU_LCLICK)
 185    {
 186       m_llist->MoveCursorTo(cursorPos);
 187       ScrollToCursor();
 188       Refresh(FALSE); // DoPaint suppresses flicker under GTK
 189    }
 190    if(!m_doSendEvents) // nothing to do
 191       return;
 192
 193    // only do the menu if activated, editable and not on a clickable object
 194    if(eventId == WXLOWIN_MENU_RCLICK
 195       && IsEditable()
 196       && (! obj || (obj && obj->GetUserData() == NULL))
 197       )
 198    {
 199       PopupMenu(m_PopupMenu, m_ClickPosition.x, m_ClickPosition.y);
 200       return;
 201    }
 202    // find the object at this position
 203    if(obj)
 204    {
 205       wxCommandEvent commandEvent(wxEVT_COMMAND_MENU_SELECTED, eventId);
 206       commandEvent.SetEventObject( this );
 207       commandEvent.SetClientData((char *)obj);
 208       GetEventHandler()->ProcessEvent(commandEvent);
 209    }
 210 }
 211
 212 /*
 213  * Some simple keyboard handling.
 214  */
 215 void
 216 wxLayoutWindow::OnChar(wxKeyEvent& event)
 217 {
 218    int keyCode = event.KeyCode();
 219
 220 #ifdef WXLAYOUT_DEBUG
 221    if(keyCode == WXK_F1)
 222    {
 223       m_llist->Debug();
 224       return;
 225    }
 226 #endif
 227
 228    if(! m_Selecting && event.ShiftDown())
 229    {
 230       switch(keyCode)
 231       {
 232       case WXK_UP:
 233       case WXK_DOWN:
 234       case WXK_RIGHT:
 235       case WXK_LEFT:
 236       case WXK_PRIOR:
 237       case WXK_NEXT:
 238       case WXK_HOME:
 239       case WXK_END:
 240          m_Selecting = true;
 241          m_llist->StartSelection();
 242          break;
 243       default:
 244          ;
 245       }
 246    }
 247
 248    /* These two nested switches work like this:
 249       The first one processes all non-editing keycodes, to move the
 250       cursor, etc. It's default will process all keycodes causing
 251       modifications to the buffer, but only if editing is allowed.
 252    */
 253    switch(keyCode)
 254    {
 255    case WXK_RIGHT:
 256       m_llist->MoveCursorHorizontally(1);
 257       break;
 258    case WXK_LEFT:
 259       m_llist->MoveCursorHorizontally(-1);
 260       break;
 261    case WXK_UP:
 262       m_llist->MoveCursorVertically(-1);
 263       break;
 264    case WXK_DOWN:
 265       m_llist->MoveCursorVertically(1);
 266       break;
 267    case WXK_PRIOR:
 268       m_llist->MoveCursorVertically(-20);
 269       break;
 270    case WXK_NEXT:
 271       m_llist->MoveCursorVertically(20);
 272       break;
 273    case WXK_HOME:
 274       m_llist->MoveCursorToBeginOfLine();
 275       break;
 276    case WXK_END:
 277       m_llist->MoveCursorToEndOfLine();
 278       break;
 279    default:
 280       if(keyCode == 'c' && event.ControlDown())
 281          Copy();
 282       if( IsEditable() )
 283       {
 284          /* First, handle control keys */
 285          if(event.ControlDown() && ! event.AltDown())
 286          {
 287             switch(keyCode)
 288             {
 289             case WXK_DELETE :
 290             case 'd':
 291                m_llist->Delete(1);
 292                break;
 293             case 'y':
 294                m_llist->DeleteLines(1);
 295                break;
 296             case 'h': // like backspace
 297                if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
 298                break;
 299             case 'u':
 300                m_llist->DeleteToBeginOfLine();
 301                break;
 302             case 'k':
 303                m_llist->DeleteToEndOfLine();
 304                break;
 305             case 'v':
 306                Paste();
 307                break;
 308 #ifdef WXLAYOUT_DEBUG
 309             case WXK_F1:
 310                m_llist->SetFont(-1,-1,-1,-1,true);  // underlined
 311                break;
 312 #endif
 313             default:
 314                ;
 315             }
 316          }
 317          // ALT only:
 318          else if( event.AltDown() && ! event.ControlDown() )
 319          {
 320             switch(keyCode)
 321             {
 322             case WXK_DELETE:
 323             case 'd':
 324                m_llist->DeleteWord();
 325                break;
 326             default:
 327                ;
 328             }
 329          }
 330          // no control keys:
 331          else if ( ! event.AltDown() && ! event.ControlDown())
 332          {
 333             switch(keyCode)
 334             {
 335             case WXK_INSERT:
 336                if(event.ShiftDown())
 337                   Paste();
 338                break;
 339             case WXK_DELETE :
 340                m_llist->Delete(1);
 341                break;
 342             case WXK_BACK: // backspace
 343                if(m_llist->MoveCursorHorizontally(-1)) m_llist->Delete(1);
 344                break;
 345             case WXK_RETURN:
 346                if(m_WrapMargin > 0)
 347                   m_llist->WrapLine(m_WrapMargin);
 348                m_llist->LineBreak();
 349                break;
 350             default:
 351                if((!(event.ControlDown() || event.AltDown() || event.MetaDown()))
 352                   && (keyCode < 256 && keyCode >= 32)
 353                   )
 354                {
 355                   wxString tmp;
 356                   tmp += keyCode;
 357                   if(m_WrapMargin > 0 && isspace(keyCode))
 358                      m_llist->WrapLine(m_WrapMargin);
 359                   m_llist->Insert(tmp);
 360                }
 361                break;
 362             }
 363          }
 364          SetDirty();
 365          SetModified();
 366       }// if(IsEditable())
 367    }// first switch()
 368    if(m_Selecting)
 369    {
 370       if(event.ShiftDown())
 371          m_llist->ContinueSelection();
 372       else
 373       {
 374          m_llist->EndSelection();
 375          m_Selecting = false;
 376       }
 377    }
 378
 379    ScrollToCursor();
 380    wxRect r = *m_llist->GetUpdateRect();
 381    DoPaint(&r);
 382 }
 383
 384 void
 385 wxLayoutWindow::OnKeyUp(wxKeyEvent& event)
 386 {
 387    if(event.KeyCode() == WXK_SHIFT && m_llist->IsSelecting())
 388       m_llist->EndSelection();
 389    event.Skip();
 390 }
 391
 392
 393 void
 394 wxLayoutWindow::ScrollToCursor(void)
 395 {
 396    wxClientDC dc( this );
 397    PrepareDC( dc );
 398
 399    int x0,y0,x1,y1, dx, dy;
 400
 401    // Calculate where the top of the visible area is:
 402    ViewStart(&x0,&y0);
 403    GetScrollPixelsPerUnit(&dx, &dy);
 404    x0 *= dx; y0 *= dy;
 405
 406    WXLO_DEBUG(("ScrollToCursor: ViewStart is %d/%d", x0, y0));
 407
 408    // Get the size of the visible window:
 409    GetClientSize(&x1,&y1);
 410    wxASSERT(x1 > 0);
 411    wxASSERT(y1 > 0);
 412    // As we have the values anyway, use them to avoid unnecessary
 413    // scrollbar updates.
 414    if(x1 > m_maxx) m_maxx = x1;
 415    if(y1 > m_maxy) m_maxy = y1;
 416    /* Make sure that the scrollbars are at a position so that the
 417       cursor is visible if we are editing. */
 418       /** Scroll so that cursor is visible! */
 419    WXLO_DEBUG(("m_ScrollToCursor = %d", (int) m_ScrollToCursor));
 420    wxPoint cc = m_llist->GetCursorScreenPos(*m_memDC);
 421    if(cc.x < x0 || cc.y < y0
 422       || cc.x >= x0+(9*x1)/10 || cc.y >= y0+(9*y1/10))  // (9*x)/10 ==  90%
 423    {
 424       int nx, ny;
 425       nx = cc.x - x1/2; if(nx < 0) nx = 0;
 426       ny = cc.y - y1/2; if(ny < 0) ny = 0;
 427       Scroll(nx/dx,ny/dy); // new view start
 428       x0 = nx; y0 = ny;
 429       m_ScrollToCursor = false; // avoid recursion
 430    }
 431 }
 432
 433 void
 434 wxLayoutWindow::OnPaint( wxPaintEvent &WXUNUSED(event))  // or: OnDraw(wxDC& dc)
 435 {
 436    wxRect region = GetUpdateRegion().GetBox();
 437    InternalPaint(& region);
 438 }
 439
 440 void
 441 wxLayoutWindow::DoPaint(const wxRect *updateRect)
 442 {
 443 #ifdef __WXGTK__
 444    InternalPaint(updateRect);
 445 #else
 446    Refresh(FALSE, updateRect); // Causes bad flicker under wxGTK!!!
 447 #endif
 448 }
 449
 450 void
 451 wxLayoutWindow::InternalPaint(const wxRect *updateRect)
 452 {
 453    wxPaintDC dc( this );
 454    PrepareDC( dc );
 455
 456    int x0,y0,x1,y1, dx, dy;
 457
 458    // Calculate where the top of the visible area is:
 459    ViewStart(&x0,&y0);
 460    GetScrollPixelsPerUnit(&dx, &dy);
 461    x0 *= dx; y0 *= dy;
 462
 463    // Get the size of the visible window:
 464    GetClientSize(&x1,&y1);
 465    wxASSERT(x1 > 0);
 466    wxASSERT(y1 > 0);
 467    // As we have the values anyway, use them to avoid unnecessary
 468    // scrollbar updates.
 469    if(x1 > m_maxx) m_maxx = x1;
 470    if(y1 > m_maxy) m_maxy = y1;
 471
 472    WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
 473                updateRect->x, updateRect->y,
 474                updateRect->x+updateRect->width,
 475                updateRect->y+updateRect->height));
 476
 477    if(IsDirty())
 478    {
 479       m_llist->Layout(dc);
 480       ResizeScrollbars();
 481    }
 482    /* Check whether the window has grown, if so, we need to reallocate
 483       the bitmap to be larger. */
 484    if(x1 > m_bitmapSize.x || y1 > m_bitmapSize.y)
 485    {
 486       wxASSERT(m_bitmapSize.x > 0);
 487       wxASSERT(m_bitmapSize.y > 0);
 488
 489       m_memDC->SelectObject(wxNullBitmap);
 490       delete m_bitmap;
 491       m_bitmapSize = wxPoint(x1,y1);
 492       m_bitmap = new wxBitmap(x1,y1);
 493       m_memDC->SelectObject(*m_bitmap);
 494    }
 495
 496    m_memDC->SetDeviceOrigin(0,0);
 497    m_memDC->SetBrush(wxBrush(m_llist->GetDefaults()->GetBGColour(),wxSOLID));
 498    m_memDC->SetPen(wxPen(m_llist->GetDefaults()->GetBGColour(),
 499                          0,wxTRANSPARENT));
 500    m_memDC->SetLogicalFunction(wxCOPY);
 501
 502    /* Either fill the background with the background bitmap, or clear
 503       it. */
 504    if(m_BGbitmap)
 505    {
 506       CoordType
 507          y, x,
 508          w = m_BGbitmap->GetWidth(),
 509          h = m_BGbitmap->GetHeight();
 510       for(y = 0; y < y1; y+=h)
 511          for(x = 0; x < x1; x+=w)
 512             m_memDC->DrawBitmap(*m_BGbitmap, x, y);
 513       m_memDC->SetBackgroundMode(wxTRANSPARENT);
 514    }
 515    else
 516    {
 517       // clear the background: (must not be done if we use the update rectangle!)
 518       m_memDC->SetBackgroundMode(wxSOLID);
 519       m_memDC->DrawRectangle(0,0,x1, y1);
 520    }
 521
 522
 523    /* This is the important bit: we tell the list to draw itself: */
 524 #if WXLO_DEBUG_URECT
 525    WXLO_DEBUG(("Update rect: %ld,%ld / %ld,%ld",
 526                updateRect->x, updateRect->y,
 527                updateRect->x+updateRect->width,
 528                updateRect->y+updateRect->height));
 529 #endif
 530
 531    // Device origins on the memDC are suspect, we translate manually
 532    // with the translate parameter of Draw().
 533    wxPoint offset(-x0+WXLO_XOFFSET,-y0+WXLO_YOFFSET);
 534    m_llist->Draw(*m_memDC,offset, y0, y0+y1);
 535
 536    // We start calculating a new update rect before drawing the
 537    // cursor, so that the cursor coordinates get included in the next
 538    // update rectangle (although they are drawn on the memDC, this is
 539    // needed to erase it):
 540    m_llist->InvalidateUpdateRect();
 541    m_llist->DrawCursor(*m_memDC,
 542                        m_HaveFocus && IsEditable(), // draw a thick
 543                        // cursor for editable windows with focus
 544                        offset);
 545
 546 // Now copy everything to the screen:
 547 #if 0
 548    // This somehow doesn't work, but even the following bit with the
 549    // whole rect at once is still a bit broken I think.
 550    wxRegionIterator ri ( GetUpdateRegion() );
 551    if(ri)
 552       while(ri)
 553       {
 554          WXLO_DEBUG(("UpdateRegion: %ld,%ld, %ld,%ld",
 555                      ri.GetX(),ri.GetY(),ri.GetW(),ri.GetH()));
 556          dc.Blit(x0+ri.GetX(),y0+ri.GetY(),ri.GetW(),ri.GetH(),
 557                  m_memDC,ri.GetX(),ri.GetY(),wxCOPY,FALSE);
 558          ri++;
 559       }
 560    else
 561 #endif
 562    {
 563       // FIXME: Trying to copy only the changed parts, but it does not seem
 564       // to work:
 565 //      x0 = updateRect->x; y0 = updateRect->y;
 566 //      if(updateRect->height < y1)
 567 //         y1 = updateRect->height;
 568 //      y1 += WXLO_YOFFSET; //FIXME might not be needed
 569       dc.Blit(x0,y0,x1,y1,m_memDC,0,0,wxCOPY,FALSE);
 570    }
 571
 572    ResetDirty();
 573    m_ScrollToCursor = false;
 574 }
 575
 576 // change the range and position of scrollbars
 577 void
 578 wxLayoutWindow::ResizeScrollbars(bool exact)
 579 {
 580    wxPoint max = m_llist->GetSize();
 581
 582    WXLO_DEBUG(("ResizeScrollbars: GetSize: %ld, %ld", (long int)max.x,
 583                (long int) max.y));
 584    if(max.x > m_maxx || max.y > m_maxy
 585       || max.x > m_maxx-WXLO_ROFFSET || max.y > m_maxy-WXLO_BOFFSET
 586       || exact)
 587    {
 588       if(! exact)
 589       {
 590          // add an extra bit to the sizes to avoid future updates
 591          max.x = max.x+WXLO_ROFFSET;
 592          max.y = max.y+WXLO_BOFFSET;
 593       }
 594       ViewStart(&m_ViewStartX, &m_ViewStartY);
 595       SetScrollbars(10, 20, max.x/10+1,max.y/20+1,m_ViewStartX,m_ViewStartY,true);
 596       m_maxx = max.x; m_maxy = max.y;
 597    }
 598 }
 599
 600 void
 601 wxLayoutWindow::Paste(void)
 602 {
 603    wxString text;
 604    // Read some text
 605    if (wxTheClipboard->Open())
 606    {
 607       wxTextDataObject data;
 608       if (wxTheClipboard->IsSupported( data.GetFormat() ))
 609       {
 610          wxTheClipboard->GetData(&data);
 611          text += data.GetText();
 612       }
 613       wxTheClipboard->Close();
 614    }
 615 #if 0
 616    /* My attempt to get the primary selection, but it does not
 617       work. :-( */
 618    if(text.Length() == 0)
 619    {
 620       wxTextCtrl tmp_tctrl(this,-1);
 621       tmp_tctrl.Paste();
 622       text += tmp_tctrl.GetValue();
 623    }
 624 #endif
 625    wxLayoutImportText( m_llist, text);
 626 }
 627
 628 bool
 629 wxLayoutWindow::Copy(void)
 630 {
 631    // Calling GetSelection() will automatically do an EndSelection()
 632    // on the list, but we need to take a note of it, too:
 633    if(m_Selecting)
 634    {
 635       m_Selecting = false;
 636       m_llist->EndSelection();
 637    }
 638    wxLayoutList *llist = m_llist->GetSelection();
 639    if(! llist)
 640       return FALSE;
 641
 642    wxString text;
 643    wxLayoutExportObject *export;
 644    wxLayoutExportStatus status(llist);
 645    while((export = wxLayoutExport( &status, WXLO_EXPORT_AS_TEXT)) != NULL)
 646    {
 647       if(export->type == WXLO_EXPORT_TEXT)
 648          text << *(export->content.text);
 649       delete export;
 650    }
 651    delete llist;
 652
 653    // The exporter always appends a newline, so we chop it off if it
 654    // is there:
 655    {
 656       size_t len = text.Length();
 657       if(len > 2 && text[len-2] ==  '\r') // Windows
 658          text = text.Mid(0,len-2);
 659       else if(len > 1 && text[len-1] == '\n')
 660          text = text.Mid(0,len-1);
 661    }
 662
 663    // Read some text
 664    if (wxTheClipboard->Open())
 665    {
 666       wxTextDataObject *data = new wxTextDataObject( text );
 667       bool  rc = wxTheClipboard->SetData( data );
 668       wxTheClipboard->Close();
 669       return rc;
 670    }
 671    return FALSE;
 672 }
 673
 674 bool
 675 wxLayoutWindow::Cut(void)
 676 {
 677    if(Copy())
 678    {
 679       m_llist->DeleteSelection();
 680       return TRUE;
 681    }
 682    else
 683       return FALSE;
 684 }
 685 bool
 686 wxLayoutWindow::Find(const wxString &needle,
 687                      wxPoint * fromWhere)
 688 {
 689    wxPoint found;
 690
 691    if(fromWhere == NULL)
 692       found = m_llist->FindText(needle, m_llist->GetCursorPos());
 693    else
 694       found = m_llist->FindText(needle, *fromWhere);
 695    if(found.x != -1)
 696    {
 697       if(fromWhere)
 698       {
 699          *fromWhere = found;
 700          fromWhere->x ++;
 701       }
 702       m_llist->MoveCursorTo(found);
 703       ScrollToCursor();
 704       return true;
 705    }
 706    return false;
 707 }
 708
 709 wxMenu *
 710 wxLayoutWindow::MakeFormatMenu()
 711 {
 712    wxMenu *m = new wxMenu(_("Layout Menu"));
 713
 714    m->Append(WXLOWIN_MENU_LARGER   ,_("&Larger"),_("Switch to larger font."), false);
 715    m->Append(WXLOWIN_MENU_SMALLER  ,_("&Smaller"),_("Switch to smaller font."), false);
 716    m->AppendSeparator();
 717    m->Append(WXLOWIN_MENU_UNDERLINE_ON, _("&Underline on"),_("Activate underline mode."), false);
 718    m->Append(WXLOWIN_MENU_UNDERLINE_OFF,_("&Underline off"),_("Deactivate underline mode."), false);
 719    m->Append(WXLOWIN_MENU_BOLD_ON      ,_("&Bold on"),_("Activate bold mode."), false);
 720    m->Append(WXLOWIN_MENU_BOLD_OFF     ,_("&Bold off"),_("Deactivate bold mode."), false);
 721    m->Append(WXLOWIN_MENU_ITALICS_ON   ,_("&Italics on"),_("Activate italics mode."), false);
 722    m->Append(WXLOWIN_MENU_ITALICS_OFF  ,_("&Italics off"),_("Deactivate italics mode."), false);
 723    m->AppendSeparator();
 724    m->Append(WXLOWIN_MENU_ROMAN     ,_("&Roman"),_("Switch to roman font."), false);
 725    m->Append(WXLOWIN_MENU_TYPEWRITER,_("&Typewriter"),_("Switch to typewriter font."), false);
 726    m->Append(WXLOWIN_MENU_SANSSERIF ,_("&Sans Serif"),_("Switch to sans serif font."), false);
 727    return m;
 728 }
 729
 730 void wxLayoutWindow::OnMenu(wxCommandEvent& event)
 731 {
 732    switch (event.GetId())
 733    {
 734    case WXLOWIN_MENU_LARGER:
 735       m_llist->SetFontLarger(); break;
 736    case WXLOWIN_MENU_SMALLER:
 737       m_llist->SetFontSmaller(); break;
 738    case WXLOWIN_MENU_UNDERLINE_ON:
 739       m_llist->SetFontUnderline(true); break;
 740    case WXLOWIN_MENU_UNDERLINE_OFF:
 741       m_llist->SetFontUnderline(false); break;
 742    case WXLOWIN_MENU_BOLD_ON:
 743       m_llist->SetFontWeight(wxBOLD); break;
 744    case WXLOWIN_MENU_BOLD_OFF:
 745       m_llist->SetFontWeight(wxNORMAL); break;
 746    case WXLOWIN_MENU_ITALICS_ON:
 747       m_llist->SetFontStyle(wxITALIC); break;
 748    case WXLOWIN_MENU_ITALICS_OFF:
 749       m_llist->SetFontStyle(wxNORMAL); break;
 750    case WXLOWIN_MENU_ROMAN:
 751       m_llist->SetFontFamily(wxROMAN); break;
 752    case WXLOWIN_MENU_TYPEWRITER:
 753       m_llist->SetFontFamily(wxFIXED); break;
 754    case WXLOWIN_MENU_SANSSERIF:
 755       m_llist->SetFontFamily(wxSWISS); break;
 756    }
 757 }
 758
 759 void
 760 wxLayoutWindow::OnSetFocus(wxFocusEvent &ev)
 761 {
 762    m_HaveFocus = true;
 763 //FIXME: need argument   DoPaint(); // to repaint the cursor
 764 }
 765
 766 void
 767 wxLayoutWindow::OnKillFocus(wxFocusEvent &ev)
 768 {
 769    m_HaveFocus = false;
 770 //FIXME: need argument   DoPaint(); // to repaint the cursor
 771 }