src/generic/srchctlg.cpp

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