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