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