src/generic/srchctlg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/srchctlg.cpp
   3 // Purpose:     implements wxSearchCtrl as a composite control
   4 // Author:      Vince Harron
   5 // Created:     2006-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   Vince Harron
   8 // License:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_SEARCHCTRL
  19
  20 #include "wx/srchctrl.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/button.h"
  24     #include "wx/dcclient.h"
  25     #include "wx/menu.h"
  26     #include "wx/dcmemory.h"
  27 #endif //WX_PRECOMP
  28
  29 #if !wxUSE_NATIVE_SEARCH_CONTROL
  30
  31 #include "wx/image.h"
  32
  33 #define WXMAX(a,b) ((a)>(b)?(a):(b))
  34
  35 // ----------------------------------------------------------------------------
  36 // constants
  37 // ----------------------------------------------------------------------------
  38
  39 // the margin between the text control and the search/cancel buttons
  40 static const wxCoord MARGIN = 2;
  41
  42 // border around all controls to compensate for wxSIMPLE_BORDER
  43 #if defined(__WXMSW__)
  44 static const wxCoord BORDER = 0;
  45 static const wxCoord ICON_MARGIN = 2;
  46 static const wxCoord ICON_OFFSET = 2;
  47 #else
  48 static const wxCoord BORDER = 2;
  49 static const wxCoord ICON_MARGIN = 0;
  50 static const wxCoord ICON_OFFSET = 0;
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // TODO: These functions or something like them should probably be made
  55 // public.  There are similar functions in src/aui/dockart.cpp...
  56
  57 static double wxBlendColour(double fg, double bg, double alpha)
  58 {
  59     double result = bg + (alpha * (fg - bg));
  60     if (result < 0.0)
  61         result = 0.0;
  62     if (result > 255)
  63         result = 255;
  64     return result;
  65 }
  66
  67 static wxColor wxStepColour(const wxColor& c, int ialpha)
  68 {
  69     if (ialpha == 100)
  70         return c;
  71
  72     double r = c.Red(), g = c.Green(), b = c.Blue();
  73     double bg;
  74
  75     // ialpha is 0..200 where 0 is completely black
  76     // and 200 is completely white and 100 is the same
  77     // convert that to normal alpha 0.0 - 1.0
  78     ialpha = wxMin(ialpha, 200);
  79     ialpha = wxMax(ialpha, 0);
  80     double alpha = ((double)(ialpha - 100.0))/100.0;
  81
  82     if (ialpha > 100)
  83     {
  84         // blend with white
  85         bg = 255.0;
  86         alpha = 1.0 - alpha;  // 0 = transparent fg; 1 = opaque fg
  87     }
  88      else
  89     {
  90         // blend with black
  91         bg = 0.0;
  92         alpha = 1.0 + alpha;  // 0 = transparent fg; 1 = opaque fg
  93     }
  94
  95     r = wxBlendColour(r, bg, alpha);
  96     g = wxBlendColour(g, bg, alpha);
  97     b = wxBlendColour(b, bg, alpha);
  98
  99     return wxColour((unsigned char)r, (unsigned char)g, (unsigned char)b);
 100 }
 101
 102 #define LIGHT_STEP 160
 103
 104 // ----------------------------------------------------------------------------
 105 // wxSearchTextCtrl: text control used by search control
 106 // ----------------------------------------------------------------------------
 107
 108 class wxSearchTextCtrl : public wxTextCtrl
 109 {
 110 public:
 111     wxSearchTextCtrl(wxSearchCtrl *search, const wxString& value, int style)
 112         : wxTextCtrl(search, wxID_ANY, value, wxDefaultPosition, wxDefaultSize,
 113                      style | wxNO_BORDER)
 114     {
 115         m_search = search;
 116         m_defaultFG = GetForegroundColour();
 117
 118         // remove the default minsize, the searchctrl will have one instead
 119         SetSizeHints(wxDefaultCoord,wxDefaultCoord);
 120     }
 121
 122     void SetDescriptiveText(const wxString& text)
 123     {
 124         if ( GetValue() == m_descriptiveText )
 125         {
 126             ChangeValue(wxEmptyString);
 127         }
 128
 129         m_descriptiveText = text;
 130     }
 131
 132     wxString GetDescriptiveText() const
 133     {
 134         return m_descriptiveText;
 135     }
 136
 137 protected:
 138     void OnText(wxCommandEvent& eventText)
 139     {
 140         wxCommandEvent event(eventText);
 141         event.SetEventObject(m_search);
 142         event.SetId(m_search->GetId());
 143
 144         m_search->GetEventHandler()->ProcessEvent(event);
 145     }
 146
 147     void OnTextUrl(wxTextUrlEvent& eventText)
 148     {
 149         // copy constructor is disabled for some reason?
 150         //wxTextUrlEvent event(eventText);
 151         wxTextUrlEvent event(
 152             m_search->GetId(),
 153             eventText.GetMouseEvent(),
 154             eventText.GetURLStart(),
 155             eventText.GetURLEnd()
 156             );
 157         event.SetEventObject(m_search);
 158
 159         m_search->GetEventHandler()->ProcessEvent(event);
 160     }
 161
 162     void OnIdle(wxIdleEvent& WXUNUSED(event))
 163     {
 164         if ( IsEmpty() && !(wxWindow::FindFocus() == this) )
 165         {
 166             ChangeValue(m_descriptiveText);
 167             SetInsertionPoint(0);
 168             SetForegroundColour(wxStepColour(m_defaultFG, LIGHT_STEP));
 169         }
 170     }
 171
 172     void OnFocus(wxFocusEvent& event)
 173     {
 174         event.Skip();
 175         if ( GetValue() == m_descriptiveText )
 176         {
 177             ChangeValue(wxEmptyString);
 178             SetForegroundColour(m_defaultFG);
 179         }
 180     }
 181
 182 private:
 183     wxSearchCtrl* m_search;
 184     wxString      m_descriptiveText;
 185     wxColour      m_defaultFG;
 186
 187     DECLARE_EVENT_TABLE()
 188 };
 189
 190 BEGIN_EVENT_TABLE(wxSearchTextCtrl, wxTextCtrl)
 191     EVT_TEXT(wxID_ANY, wxSearchTextCtrl::OnText)
 192     EVT_TEXT_ENTER(wxID_ANY, wxSearchTextCtrl::OnText)
 193     EVT_TEXT_URL(wxID_ANY, wxSearchTextCtrl::OnTextUrl)
 194     EVT_TEXT_MAXLEN(wxID_ANY, wxSearchTextCtrl::OnText)
 195     EVT_IDLE(wxSearchTextCtrl::OnIdle)
 196     EVT_SET_FOCUS(wxSearchTextCtrl::OnFocus)
 197 END_EVENT_TABLE()
 198
 199 // ----------------------------------------------------------------------------
 200 // wxSearchButton: search button used by search control
 201 // ----------------------------------------------------------------------------
 202
 203 class wxSearchButton : public wxControl
 204 {
 205 public:
 206     wxSearchButton(wxSearchCtrl *search, int eventType, const wxBitmap& bmp)
 207         : wxControl(search, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNO_BORDER),
 208           m_search(search),
 209           m_eventType(eventType),
 210           m_bmp(bmp)
 211     { }
 212
 213     void SetBitmapLabel(const wxBitmap& label) { m_bmp = label; }
 214
 215
 216 protected:
 217     wxSize DoGetBestSize() const
 218     {
 219         return wxSize(m_bmp.GetWidth(), m_bmp.GetHeight());
 220     }
 221
 222     void OnLeftUp(wxMouseEvent&)
 223     {
 224         wxCommandEvent event(m_eventType, m_search->GetId());
 225         event.SetEventObject(m_search);
 226
 227         GetEventHandler()->ProcessEvent(event);
 228
 229         m_search->SetFocus();
 230
 231 #if wxUSE_MENUS
 232         if ( m_eventType == wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN )
 233         {
 234             // this happens automatically, just like on Mac OS X
 235             m_search->PopupSearchMenu();
 236         }
 237 #endif // wxUSE_MENUS
 238     }
 239
 240     void OnPaint(wxPaintEvent&)
 241     {
 242         wxPaintDC dc(this);
 243         dc.DrawBitmap(m_bmp, 0,0, true);
 244     }
 245
 246
 247 private:
 248     wxSearchCtrl *m_search;
 249     wxEventType   m_eventType;
 250     wxBitmap      m_bmp;
 251
 252     DECLARE_EVENT_TABLE()
 253 };
 254
 255 BEGIN_EVENT_TABLE(wxSearchButton, wxControl)
 256     EVT_LEFT_UP(wxSearchButton::OnLeftUp)
 257     EVT_PAINT(wxSearchButton::OnPaint)
 258 END_EVENT_TABLE()
 259
 260 BEGIN_EVENT_TABLE(wxSearchCtrl, wxSearchCtrlBase)
 261     EVT_SEARCHCTRL_SEARCH_BTN(wxID_ANY, wxSearchCtrl::OnSearchButton)
 262     EVT_SET_FOCUS(wxSearchCtrl::OnSetFocus)
 263     EVT_SIZE(wxSearchCtrl::OnSize)
 264 END_EVENT_TABLE()
 265
 266 IMPLEMENT_DYNAMIC_CLASS(wxSearchCtrl, wxSearchCtrlBase)
 267
 268 // ============================================================================
 269 // implementation
 270 // ============================================================================
 271
 272 // ----------------------------------------------------------------------------
 273 // wxSearchCtrl creation
 274 // ----------------------------------------------------------------------------
 275
 276 // creation
 277 // --------
 278
 279 wxSearchCtrl::wxSearchCtrl()
 280 {
 281     Init();
 282 }
 283
 284 wxSearchCtrl::wxSearchCtrl(wxWindow *parent, wxWindowID id,
 285            const wxString& value,
 286            const wxPoint& pos,
 287            const wxSize& size,
 288            long style,
 289            const wxValidator& validator,
 290            const wxString& name)
 291 {
 292     Init();
 293
 294     Create(parent, id, value, pos, size, style, validator, name);
 295 }
 296
 297 void wxSearchCtrl::Init()
 298 {
 299     m_text = NULL;
 300     m_searchButton = NULL;
 301     m_cancelButton = NULL;
 302 #if wxUSE_MENUS
 303     m_menu = NULL;
 304 #endif // wxUSE_MENUS
 305
 306     m_searchButtonVisible = true;
 307     m_cancelButtonVisible = false;
 308
 309     m_searchBitmapUser = false;
 310     m_cancelBitmapUser = false;
 311 #if wxUSE_MENUS
 312     m_searchMenuBitmapUser = false;
 313 #endif // wxUSE_MENUS
 314 }
 315
 316 bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id,
 317             const wxString& value,
 318             const wxPoint& pos,
 319             const wxSize& size,
 320             long style,
 321             const wxValidator& validator,
 322             const wxString& name)
 323 {
 324     // force border style for more native appearance
 325     style &= ~wxBORDER_MASK;
 326 #ifdef __WXGTK__
 327     style |= wxBORDER_SUNKEN;
 328 #else
 329     style |= wxBORDER_SIMPLE;
 330 #endif
 331     if ( !wxTextCtrlBase::Create(parent, id, pos, size, style, validator, name) )
 332     {
 333         return false;
 334     }
 335
 336     m_text = new wxSearchTextCtrl(this, value, style & ~wxBORDER_MASK);
 337     m_text->SetDescriptiveText(_("Search"));
 338
 339     wxSize sizeText = m_text->GetBestSize();
 340
 341     m_searchButton = new wxSearchButton(this,
 342                                         wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN,
 343                                         m_searchBitmap);
 344     m_cancelButton = new wxSearchButton(this,
 345                                         wxEVT_COMMAND_SEARCHCTRL_CANCEL_BTN,
 346                                         m_cancelBitmap);
 347
 348     SetForegroundColour( m_text->GetForegroundColour() );
 349     m_searchButton->SetForegroundColour( m_text->GetForegroundColour() );
 350     m_cancelButton->SetForegroundColour( m_text->GetForegroundColour() );
 351
 352     SetBackgroundColour( m_text->GetBackgroundColour() );
 353     m_searchButton->SetBackgroundColour( m_text->GetBackgroundColour() );
 354     m_cancelButton->SetBackgroundColour( m_text->GetBackgroundColour() );
 355
 356     RecalcBitmaps();
 357
 358     SetInitialSize(size);
 359     Move(pos);
 360     return true;
 361 }
 362
 363 wxSearchCtrl::~wxSearchCtrl()
 364 {
 365     delete m_text;
 366     delete m_searchButton;
 367     delete m_cancelButton;
 368 #if wxUSE_MENUS
 369     delete m_menu;
 370 #endif // wxUSE_MENUS
 371 }
 372
 373
 374 // search control specific interfaces
 375 #if wxUSE_MENUS
 376
 377 void wxSearchCtrl::SetMenu( wxMenu* menu )
 378 {
 379     if ( menu == m_menu )
 380     {
 381         // no change
 382         return;
 383     }
 384     bool hadMenu = (m_menu != NULL);
 385     delete m_menu;
 386     m_menu = menu;
 387
 388     if ( m_menu && !hadMenu )
 389     {
 390         m_searchButton->SetBitmapLabel(m_searchMenuBitmap);
 391         m_searchButton->Refresh();
 392     }
 393     else if ( !m_menu && hadMenu )
 394     {
 395         m_searchButton->SetBitmapLabel(m_searchBitmap);
 396         if ( m_searchButtonVisible )
 397         {
 398             m_searchButton->Refresh();
 399         }
 400     }
 401     wxRect rect = GetRect();
 402     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 403 }
 404
 405 wxMenu* wxSearchCtrl::GetMenu()
 406 {
 407     return m_menu;
 408 }
 409
 410 #endif // wxUSE_MENUS
 411
 412 void wxSearchCtrl::ShowSearchButton( bool show )
 413 {
 414     if ( m_searchButtonVisible == show )
 415     {
 416         // no change
 417         return;
 418     }
 419     m_searchButtonVisible = show;
 420     if ( m_searchButtonVisible )
 421     {
 422         RecalcBitmaps();
 423     }
 424
 425     wxRect rect = GetRect();
 426     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 427 }
 428
 429 bool wxSearchCtrl::IsSearchButtonVisible() const
 430 {
 431     return m_searchButtonVisible;
 432 }
 433
 434
 435 void wxSearchCtrl::ShowCancelButton( bool show )
 436 {
 437     if ( m_cancelButtonVisible == show )
 438     {
 439         // no change
 440         return;
 441     }
 442     m_cancelButtonVisible = show;
 443
 444     wxRect rect = GetRect();
 445     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 446 }
 447
 448 bool wxSearchCtrl::IsCancelButtonVisible() const
 449 {
 450     return m_cancelButtonVisible;
 451 }
 452
 453 void wxSearchCtrl::SetDescriptiveText(const wxString& text)
 454 {
 455     m_text->SetDescriptiveText(text);
 456 }
 457
 458 wxString wxSearchCtrl::GetDescriptiveText() const
 459 {
 460     return m_text->GetDescriptiveText();
 461 }
 462
 463 // ----------------------------------------------------------------------------
 464 // geometry
 465 // ----------------------------------------------------------------------------
 466
 467 wxSize wxSearchCtrl::DoGetBestSize() const
 468 {
 469     wxSize sizeText = m_text->GetBestSize();
 470     wxSize sizeSearch(0,0);
 471     wxSize sizeCancel(0,0);
 472     int searchMargin = 0;
 473     int cancelMargin = 0;
 474     if ( m_searchButtonVisible || HasMenu() )
 475     {
 476         sizeSearch = m_searchButton->GetBestSize();
 477         searchMargin = MARGIN;
 478     }
 479     if ( m_cancelButtonVisible )
 480     {
 481         sizeCancel = m_cancelButton->GetBestSize();
 482         cancelMargin = MARGIN;
 483     }
 484
 485     int horizontalBorder = 1 + ( sizeText.y - sizeText.y * 14 / 21 ) / 2;
 486
 487     // buttons are square and equal to the height of the text control
 488     int height = sizeText.y;
 489     return wxSize(sizeSearch.x + searchMargin + sizeText.x + cancelMargin + sizeCancel.x + 2*horizontalBorder,
 490                   height + 2*BORDER);
 491 }
 492
 493 void wxSearchCtrl::DoMoveWindow(int x, int y, int width, int height)
 494 {
 495     wxSearchCtrlBase::DoMoveWindow(x, y, width, height);
 496
 497     LayoutControls(0, 0, width, height);
 498 }
 499
 500 void wxSearchCtrl::LayoutControls(int x, int y, int width, int height)
 501 {
 502     if ( !m_text )
 503         return;
 504
 505     wxSize sizeText = m_text->GetBestSize();
 506     // make room for the search menu & clear button
 507     int horizontalBorder = ( sizeText.y - sizeText.y * 14 / 21 ) / 2;
 508     x += horizontalBorder;
 509     y += BORDER;
 510     width -= horizontalBorder*2;
 511     height -= BORDER*2;
 512
 513     wxSize sizeSearch(0,0);
 514     wxSize sizeCancel(0,0);
 515     int searchMargin = 0;
 516     int cancelMargin = 0;
 517     if ( m_searchButtonVisible || HasMenu() )
 518     {
 519         sizeSearch = m_searchButton->GetBestSize();
 520         searchMargin = MARGIN;
 521     }
 522     if ( m_cancelButtonVisible )
 523     {
 524         sizeCancel = m_cancelButton->GetBestSize();
 525         cancelMargin = MARGIN;
 526     }
 527     m_searchButton->Show( m_searchButtonVisible || HasMenu() );
 528     m_cancelButton->Show( m_cancelButtonVisible );
 529
 530     if ( sizeSearch.x + sizeCancel.x > width )
 531     {
 532         sizeSearch.x = width/2;
 533         sizeCancel.x = width/2;
 534         searchMargin = 0;
 535         cancelMargin = 0;
 536     }
 537     wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin;
 538
 539     // position the subcontrols inside the client area
 540
 541     m_searchButton->SetSize(x, y + ICON_OFFSET - 1, sizeSearch.x, height);
 542     m_text->SetSize( x + sizeSearch.x + searchMargin,
 543                      y + ICON_OFFSET - BORDER,
 544                      textWidth,
 545                      height);
 546     m_cancelButton->SetSize(x + sizeSearch.x + searchMargin + textWidth + cancelMargin,
 547                             y + ICON_OFFSET - 1, sizeCancel.x, height);
 548 }
 549
 550
 551 // accessors
 552 // ---------
 553
 554 wxString wxSearchCtrl::GetValue() const
 555 {
 556     wxString value = m_text->GetValue();
 557     if (value == m_text->GetDescriptiveText())
 558         return wxEmptyString;
 559     else
 560         return value;
 561 }
 562 void wxSearchCtrl::SetValue(const wxString& value)
 563 {
 564     m_text->SetValue(value);
 565 }
 566
 567 wxString wxSearchCtrl::GetRange(long from, long to) const
 568 {
 569     return m_text->GetRange(from, to);
 570 }
 571
 572 int wxSearchCtrl::GetLineLength(long lineNo) const
 573 {
 574     return m_text->GetLineLength(lineNo);
 575 }
 576 wxString wxSearchCtrl::GetLineText(long lineNo) const
 577 {
 578     return m_text->GetLineText(lineNo);
 579 }
 580 int wxSearchCtrl::GetNumberOfLines() const
 581 {
 582     return m_text->GetNumberOfLines();
 583 }
 584
 585 bool wxSearchCtrl::IsModified() const
 586 {
 587     return m_text->IsModified();
 588 }
 589 bool wxSearchCtrl::IsEditable() const
 590 {
 591     return m_text->IsEditable();
 592 }
 593
 594 // more readable flag testing methods
 595 bool wxSearchCtrl::IsSingleLine() const
 596 {
 597     return m_text->IsSingleLine();
 598 }
 599 bool wxSearchCtrl::IsMultiLine() const
 600 {
 601     return m_text->IsMultiLine();
 602 }
 603
 604 // If the return values from and to are the same, there is no selection.
 605 void wxSearchCtrl::GetSelection(long* from, long* to) const
 606 {
 607     m_text->GetSelection(from, to);
 608 }
 609
 610 wxString wxSearchCtrl::GetStringSelection() const
 611 {
 612     return m_text->GetStringSelection();
 613 }
 614
 615 // operations
 616 // ----------
 617
 618 // editing
 619 void wxSearchCtrl::Clear()
 620 {
 621     m_text->Clear();
 622 }
 623 void wxSearchCtrl::Replace(long from, long to, const wxString& value)
 624 {
 625     m_text->Replace(from, to, value);
 626 }
 627 void wxSearchCtrl::Remove(long from, long to)
 628 {
 629     m_text->Remove(from, to);
 630 }
 631
 632 // load/save the controls contents from/to the file
 633 bool wxSearchCtrl::LoadFile(const wxString& file)
 634 {
 635     return m_text->LoadFile(file);
 636 }
 637 bool wxSearchCtrl::SaveFile(const wxString& file)
 638 {
 639     return m_text->SaveFile(file);
 640 }
 641
 642 // sets/clears the dirty flag
 643 void wxSearchCtrl::MarkDirty()
 644 {
 645     m_text->MarkDirty();
 646 }
 647 void wxSearchCtrl::DiscardEdits()
 648 {
 649     m_text->DiscardEdits();
 650 }
 651
 652 // set the max number of characters which may be entered in a single line
 653 // text control
 654 void wxSearchCtrl::SetMaxLength(unsigned long len)
 655 {
 656     m_text->SetMaxLength(len);
 657 }
 658
 659 // writing text inserts it at the current position, appending always
 660 // inserts it at the end
 661 void wxSearchCtrl::WriteText(const wxString& text)
 662 {
 663     m_text->WriteText(text);
 664 }
 665 void wxSearchCtrl::AppendText(const wxString& text)
 666 {
 667     m_text->AppendText(text);
 668 }
 669
 670 // insert the character which would have resulted from this key event,
 671 // return true if anything has been inserted
 672 bool wxSearchCtrl::EmulateKeyPress(const wxKeyEvent& event)
 673 {
 674     return m_text->EmulateKeyPress(event);
 675 }
 676
 677 // text control under some platforms supports the text styles: these
 678 // methods allow to apply the given text style to the given selection or to
 679 // set/get the style which will be used for all appended text
 680 bool wxSearchCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 681 {
 682     return m_text->SetStyle(start, end, style);
 683 }
 684 bool wxSearchCtrl::GetStyle(long position, wxTextAttr& style)
 685 {
 686     return m_text->GetStyle(position, style);
 687 }
 688 bool wxSearchCtrl::SetDefaultStyle(const wxTextAttr& style)
 689 {
 690     return m_text->SetDefaultStyle(style);
 691 }
 692 const wxTextAttr& wxSearchCtrl::GetDefaultStyle() const
 693 {
 694     return m_text->GetDefaultStyle();
 695 }
 696
 697 // translate between the position (which is just an index in the text ctrl
 698 // considering all its contents as a single strings) and (x, y) coordinates
 699 // which represent column and line.
 700 long wxSearchCtrl::XYToPosition(long x, long y) const
 701 {
 702     return m_text->XYToPosition(x, y);
 703 }
 704 bool wxSearchCtrl::PositionToXY(long pos, long *x, long *y) const
 705 {
 706     return m_text->PositionToXY(pos, x, y);
 707 }
 708
 709 void wxSearchCtrl::ShowPosition(long pos)
 710 {
 711     m_text->ShowPosition(pos);
 712 }
 713
 714 // find the character at position given in pixels
 715 //
 716 // NB: pt is in device coords (not adjusted for the client area origin nor
 717 //     scrolling)
 718 wxTextCtrlHitTestResult wxSearchCtrl::HitTest(const wxPoint& pt, long *pos) const
 719 {
 720     return m_text->HitTest(pt, pos);
 721 }
 722 wxTextCtrlHitTestResult wxSearchCtrl::HitTest(const wxPoint& pt,
 723                                         wxTextCoord *col,
 724                                         wxTextCoord *row) const
 725 {
 726     return m_text->HitTest(pt, col, row);
 727 }
 728
 729 // Clipboard operations
 730 void wxSearchCtrl::Copy()
 731 {
 732     m_text->Copy();
 733 }
 734 void wxSearchCtrl::Cut()
 735 {
 736     m_text->Cut();
 737 }
 738 void wxSearchCtrl::Paste()
 739 {
 740     m_text->Paste();
 741 }
 742
 743 bool wxSearchCtrl::CanCopy() const
 744 {
 745     return m_text->CanCopy();
 746 }
 747 bool wxSearchCtrl::CanCut() const
 748 {
 749     return m_text->CanCut();
 750 }
 751 bool wxSearchCtrl::CanPaste() const
 752 {
 753     return m_text->CanPaste();
 754 }
 755
 756 // Undo/redo
 757 void wxSearchCtrl::Undo()
 758 {
 759     m_text->Undo();
 760 }
 761 void wxSearchCtrl::Redo()
 762 {
 763     m_text->Redo();
 764 }
 765
 766 bool wxSearchCtrl::CanUndo() const
 767 {
 768     return m_text->CanUndo();
 769 }
 770 bool wxSearchCtrl::CanRedo() const
 771 {
 772     return m_text->CanRedo();
 773 }
 774
 775 // Insertion point
 776 void wxSearchCtrl::SetInsertionPoint(long pos)
 777 {
 778     m_text->SetInsertionPoint(pos);
 779 }
 780 void wxSearchCtrl::SetInsertionPointEnd()
 781 {
 782     m_text->SetInsertionPointEnd();
 783 }
 784 long wxSearchCtrl::GetInsertionPoint() const
 785 {
 786     return m_text->GetInsertionPoint();
 787 }
 788 wxTextPos wxSearchCtrl::GetLastPosition() const
 789 {
 790     return m_text->GetLastPosition();
 791 }
 792
 793 void wxSearchCtrl::SetSelection(long from, long to)
 794 {
 795     m_text->SetSelection(from, to);
 796 }
 797 void wxSearchCtrl::SelectAll()
 798 {
 799     m_text->SelectAll();
 800 }
 801
 802 void wxSearchCtrl::SetEditable(bool editable)
 803 {
 804     m_text->SetEditable(editable);
 805 }
 806
 807 bool wxSearchCtrl::SetFont(const wxFont& font)
 808 {
 809     bool result = wxSearchCtrlBase::SetFont(font);
 810     if ( result && m_text )
 811     {
 812         result = m_text->SetFont(font);
 813     }
 814     RecalcBitmaps();
 815     return result;
 816 }
 817
 818 // search control generic only
 819 void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap )
 820 {
 821     m_searchBitmap = bitmap;
 822     m_searchBitmapUser = bitmap.Ok();
 823     if ( m_searchBitmapUser )
 824     {
 825         if ( m_searchButton && !HasMenu() )
 826         {
 827             m_searchButton->SetBitmapLabel( m_searchBitmap );
 828         }
 829     }
 830     else
 831     {
 832         // the user bitmap was just cleared, generate one
 833         RecalcBitmaps();
 834     }
 835 }
 836
 837 #if wxUSE_MENUS
 838
 839 void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap )
 840 {
 841     m_searchMenuBitmap = bitmap;
 842     m_searchMenuBitmapUser = bitmap.Ok();
 843     if ( m_searchMenuBitmapUser )
 844     {
 845         if ( m_searchButton && m_menu )
 846         {
 847             m_searchButton->SetBitmapLabel( m_searchMenuBitmap );
 848         }
 849     }
 850     else
 851     {
 852         // the user bitmap was just cleared, generate one
 853         RecalcBitmaps();
 854     }
 855 }
 856
 857 #endif // wxUSE_MENUS
 858
 859 void wxSearchCtrl::SetCancelBitmap( const wxBitmap& bitmap )
 860 {
 861     m_cancelBitmap = bitmap;
 862     m_cancelBitmapUser = bitmap.Ok();
 863     if ( m_cancelBitmapUser )
 864     {
 865         if ( m_cancelButton )
 866         {
 867             m_cancelButton->SetBitmapLabel( m_cancelBitmap );
 868         }
 869     }
 870     else
 871     {
 872         // the user bitmap was just cleared, generate one
 873         RecalcBitmaps();
 874     }
 875 }
 876
 877 #if 0
 878
 879 // override streambuf method
 880 #if wxHAS_TEXT_WINDOW_STREAM
 881 int overflow(int i);
 882 #endif // wxHAS_TEXT_WINDOW_STREAM
 883
 884 // stream-like insertion operators: these are always available, whether we
 885 // were, or not, compiled with streambuf support
 886 wxTextCtrl& operator<<(const wxString& s);
 887 wxTextCtrl& operator<<(int i);
 888 wxTextCtrl& operator<<(long i);
 889 wxTextCtrl& operator<<(float f);
 890 wxTextCtrl& operator<<(double d);
 891 wxTextCtrl& operator<<(const wxChar c);
 892 #endif
 893
 894 void wxSearchCtrl::DoSetValue(const wxString& value, int flags)
 895 {
 896     m_text->ChangeValue( value );
 897     if ( flags & SetValue_SendEvent )
 898         SendTextUpdatedEvent();
 899 }
 900
 901 // do the window-specific processing after processing the update event
 902 void wxSearchCtrl::DoUpdateWindowUI(wxUpdateUIEvent& event)
 903 {
 904     wxSearchCtrlBase::DoUpdateWindowUI(event);
 905 }
 906
 907 bool wxSearchCtrl::ShouldInheritColours() const
 908 {
 909     return true;
 910 }
 911
 912 // icons are rendered at 3-8 times larger than necessary and downscaled for
 913 // antialiasing
 914 static int GetMultiplier()
 915 {
 916 #ifdef __WXWINCE__
 917     // speed up bitmap generation by using a small bitmap
 918     return 3;
 919 #else
 920     int depth = ::wxDisplayDepth();
 921
 922     if  ( depth >= 24 )
 923     {
 924         return 8;
 925     }
 926     return 6;
 927 #endif
 928 }
 929
 930 wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop )
 931 {
 932     wxColour bg = GetBackgroundColour();
 933     wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP-20);
 934
 935     //===============================================================================
 936     // begin drawing code
 937     //===============================================================================
 938     // image stats
 939
 940     // force width:height ratio
 941     if ( 14*x > y*20 )
 942     {
 943         // x is too big
 944         x = y*20/14;
 945     }
 946     else
 947     {
 948         // y is too big
 949         y = x*14/20;
 950     }
 951
 952     // glass 11x11, top left corner
 953     // handle (9,9)-(13,13)
 954     // drop (13,16)-(19,6)-(16,9)
 955
 956     int multiplier = GetMultiplier();
 957     int penWidth = multiplier * 2;
 958
 959     penWidth = penWidth * x / 20;
 960
 961     wxBitmap bitmap( multiplier*x, multiplier*y );
 962     wxMemoryDC mem;
 963     mem.SelectObject(bitmap);
 964
 965     // clear background
 966     mem.SetBrush( wxBrush(bg) );
 967     mem.SetPen( wxPen(bg) );
 968     mem.DrawRectangle(0,0,bitmap.GetWidth(),bitmap.GetHeight());
 969
 970     // draw drop glass
 971     mem.SetBrush( wxBrush(fg) );
 972     mem.SetPen( wxPen(fg) );
 973     int glassBase = 5 * x / 20;
 974     int glassFactor = 2*glassBase + 1;
 975     int radius = multiplier*glassFactor/2;
 976     mem.DrawCircle(radius,radius,radius);
 977     mem.SetBrush( wxBrush(bg) );
 978     mem.SetPen( wxPen(bg) );
 979     mem.DrawCircle(radius,radius,radius-penWidth);
 980
 981     // draw handle
 982     int lineStart = radius + (radius-penWidth/2) * 707 / 1000; // 707 / 1000 = 0.707 = 1/sqrt(2);
 983
 984     mem.SetPen( wxPen(fg) );
 985     mem.SetBrush( wxBrush(fg) );
 986     int handleCornerShift = penWidth * 707 / 1000 / 2; // 707 / 1000 = 0.707 = 1/sqrt(2);
 987     handleCornerShift = WXMAX( handleCornerShift, 1 );
 988     int handleBase = 4 * x / 20;
 989     int handleLength = 2*handleBase+1;
 990     wxPoint handlePolygon[] =
 991     {
 992         wxPoint(-handleCornerShift,+handleCornerShift),
 993         wxPoint(+handleCornerShift,-handleCornerShift),
 994         wxPoint(multiplier*handleLength/2+handleCornerShift,multiplier*handleLength/2-handleCornerShift),
 995         wxPoint(multiplier*handleLength/2-handleCornerShift,multiplier*handleLength/2+handleCornerShift),
 996     };
 997     mem.DrawPolygon(WXSIZEOF(handlePolygon),handlePolygon,lineStart,lineStart);
 998
 999     // draw drop triangle
1000     int triangleX = 13 * x / 20;
1001     int triangleY = 5 * x / 20;
1002     int triangleBase = 3 * x / 20;
1003     int triangleFactor = triangleBase*2+1;
1004     if ( renderDrop )
1005     {
1006         wxPoint dropPolygon[] =
1007         {
1008             wxPoint(multiplier*0,multiplier*0), // triangle left
1009             wxPoint(multiplier*triangleFactor-1,multiplier*0), // triangle right
1010             wxPoint(multiplier*triangleFactor/2,multiplier*triangleFactor/2), // triangle bottom
1011         };
1012         mem.DrawPolygon(WXSIZEOF(dropPolygon),dropPolygon,multiplier*triangleX,multiplier*triangleY);
1013     }
1014     mem.SelectObject(wxNullBitmap);
1015
1016     //===============================================================================
1017     // end drawing code
1018     //===============================================================================
1019
1020     if ( multiplier != 1 )
1021     {
1022         wxImage image = bitmap.ConvertToImage();
1023         image.Rescale(x,y);
1024         bitmap = wxBitmap( image );
1025     }
1026     if ( !renderDrop )
1027     {
1028         // Trim the edge where the arrow would have gone
1029         bitmap = bitmap.GetSubBitmap(wxRect(0,0, y,y));
1030     }
1031
1032     return bitmap;
1033 }
1034
1035 wxBitmap wxSearchCtrl::RenderCancelBitmap( int x, int y )
1036 {
1037     wxColour bg = GetBackgroundColour();
1038     wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP);
1039
1040     //===============================================================================
1041     // begin drawing code
1042     //===============================================================================
1043     // image stats
1044
1045     // total size 14x14
1046     // force 1:1 ratio
1047     if ( x > y )
1048     {
1049         // x is too big
1050         x = y;
1051     }
1052     else
1053     {
1054         // y is too big
1055         y = x;
1056     }
1057
1058     // 14x14 circle
1059     // cross line starts (4,4)-(10,10)
1060     // drop (13,16)-(19,6)-(16,9)
1061
1062     int multiplier = GetMultiplier();
1063
1064     int penWidth = multiplier * x / 14;
1065
1066     wxBitmap bitmap( multiplier*x, multiplier*y );
1067     wxMemoryDC mem;
1068     mem.SelectObject(bitmap);
1069
1070     // clear background
1071     mem.SetBrush( wxBrush(bg) );
1072     mem.SetPen( wxPen(bg) );
1073     mem.DrawRectangle(0,0,bitmap.GetWidth(),bitmap.GetHeight());
1074
1075     // draw drop glass
1076     mem.SetBrush( wxBrush(fg) );
1077     mem.SetPen( wxPen(fg) );
1078     int radius = multiplier*x/2;
1079     mem.DrawCircle(radius,radius,radius);
1080
1081     // draw cross
1082     int lineStartBase = 4 * x / 14;
1083     int lineLength = x - 2*lineStartBase;
1084
1085     mem.SetPen( wxPen(bg) );
1086     mem.SetBrush( wxBrush(bg) );
1087     int handleCornerShift = penWidth/2;
1088     handleCornerShift = WXMAX( handleCornerShift, 1 );
1089     wxPoint handlePolygon[] =
1090     {
1091         wxPoint(-handleCornerShift,+handleCornerShift),
1092         wxPoint(+handleCornerShift,-handleCornerShift),
1093         wxPoint(multiplier*lineLength+handleCornerShift,multiplier*lineLength-handleCornerShift),
1094         wxPoint(multiplier*lineLength-handleCornerShift,multiplier*lineLength+handleCornerShift),
1095     };
1096     mem.DrawPolygon(WXSIZEOF(handlePolygon),handlePolygon,multiplier*lineStartBase,multiplier*lineStartBase);
1097     wxPoint handlePolygon2[] =
1098     {
1099         wxPoint(+handleCornerShift,+handleCornerShift),
1100         wxPoint(-handleCornerShift,-handleCornerShift),
1101         wxPoint(multiplier*lineLength-handleCornerShift,-multiplier*lineLength-handleCornerShift),
1102         wxPoint(multiplier*lineLength+handleCornerShift,-multiplier*lineLength+handleCornerShift),
1103     };
1104     mem.DrawPolygon(WXSIZEOF(handlePolygon2),handlePolygon2,multiplier*lineStartBase,multiplier*(x-lineStartBase));
1105
1106     //===============================================================================
1107     // end drawing code
1108     //===============================================================================
1109
1110     if ( multiplier != 1 )
1111     {
1112         wxImage image = bitmap.ConvertToImage();
1113         image.Rescale(x,y);
1114         bitmap = wxBitmap( image );
1115     }
1116
1117     return bitmap;
1118 }
1119
1120 void wxSearchCtrl::RecalcBitmaps()
1121 {
1122     if ( !m_text )
1123     {
1124         return;
1125     }
1126     wxSize sizeText = m_text->GetBestSize();
1127
1128     int bitmapHeight = sizeText.y - 2 * ICON_MARGIN;
1129     int bitmapWidth  = sizeText.y * 20 / 14;
1130
1131     if ( !m_searchBitmapUser )
1132     {
1133         if (
1134             !m_searchBitmap.Ok() ||
1135             m_searchBitmap.GetHeight() != bitmapHeight ||
1136             m_searchBitmap.GetWidth() != bitmapWidth
1137             )
1138         {
1139             m_searchBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,false);
1140             if ( !HasMenu() )
1141             {
1142                 m_searchButton->SetBitmapLabel(m_searchBitmap);
1143             }
1144         }
1145         // else this bitmap was set by user, don't alter
1146     }
1147
1148 #if wxUSE_MENUS
1149     if ( !m_searchMenuBitmapUser )
1150     {
1151         if (
1152             !m_searchMenuBitmap.Ok() ||
1153             m_searchMenuBitmap.GetHeight() != bitmapHeight ||
1154             m_searchMenuBitmap.GetWidth() != bitmapWidth
1155             )
1156         {
1157             m_searchMenuBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,true);
1158             if ( m_menu )
1159             {
1160                 m_searchButton->SetBitmapLabel(m_searchMenuBitmap);
1161             }
1162         }
1163         // else this bitmap was set by user, don't alter
1164     }
1165 #endif // wxUSE_MENUS
1166
1167     if ( !m_cancelBitmapUser )
1168     {
1169         if (
1170             !m_cancelBitmap.Ok() ||
1171             m_cancelBitmap.GetHeight() != bitmapHeight ||
1172             m_cancelBitmap.GetWidth() != bitmapHeight
1173             )
1174         {
1175             m_cancelBitmap = RenderCancelBitmap(bitmapHeight-BORDER,bitmapHeight-BORDER); // square
1176             m_cancelButton->SetBitmapLabel(m_cancelBitmap);
1177         }
1178         // else this bitmap was set by user, don't alter
1179     }
1180 }
1181
1182 void wxSearchCtrl::OnSearchButton( wxCommandEvent& event )
1183 {
1184     event.Skip();
1185 }
1186
1187 void wxSearchCtrl::OnSetFocus( wxFocusEvent& /*event*/ )
1188 {
1189     if ( m_text )
1190     {
1191         m_text->SetFocus();
1192     }
1193 }
1194
1195 void wxSearchCtrl::OnSize( wxSizeEvent& WXUNUSED(event) )
1196 {
1197     int width, height;
1198     GetSize(&width, &height);
1199     LayoutControls(0, 0, width, height);
1200 }
1201
1202 #if wxUSE_MENUS
1203
1204 void wxSearchCtrl::PopupSearchMenu()
1205 {
1206     if ( m_menu )
1207     {
1208         wxSize size = GetSize();
1209         PopupMenu( m_menu, 0, size.y );
1210     }
1211 }
1212
1213 #endif // wxUSE_MENUS
1214
1215 #endif // !wxUSE_NATIVE_SEARCH_CONTROL
1216
1217 #endif // wxUSE_SEARCHCTRL