src/generic/srchctlg.cpp

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