src/generic/srchctlg.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/generic/srchctlg.cpp
   3 // Purpose:     implements wxSearchCtrl as a composite control
   4 // Author:      Vince Harron
   5 // Created:     2006-02-19
   6 // RCS-ID:      $Id$
   7 // Copyright:   Vince Harron
   8 // License:     wxWindows licence
   9 ///////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_SEARCHCTRL
  19
  20 #include "wx/srchctrl.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/button.h"
  24     #include "wx/dcclient.h"
  25     #include "wx/menu.h"
  26     #include "wx/dcmemory.h"
  27 #endif //WX_PRECOMP
  28
  29 #if !wxUSE_NATIVE_SEARCH_CONTROL
  30
  31 #include "wx/image.h"
  32
  33 #define WXMAX(a,b) ((a)>(b)?(a):(b))
  34
  35 // ----------------------------------------------------------------------------
  36 // constants
  37 // ----------------------------------------------------------------------------
  38
  39 // the margin between the text control and the search/cancel buttons
  40 static const wxCoord MARGIN = 2;
  41
  42 // border around all controls to compensate for wxSIMPLE_BORDER
  43 #if defined(__WXMSW__)
  44 static const wxCoord BORDER = 0;
  45 static const wxCoord ICON_MARGIN = 2;
  46 static const wxCoord ICON_OFFSET = 2;
  47 #else
  48 static const wxCoord BORDER = 2;
  49 static const wxCoord ICON_MARGIN = 0;
  50 static const wxCoord ICON_OFFSET = 0;
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // TODO: These functions or something like them should probably be made
  55 // public.  There are similar functions in src/aui/dockart.cpp...
  56
  57 static double wxBlendColour(double fg, double bg, double alpha)
  58 {
  59     double result = bg + (alpha * (fg - bg));
  60     if (result < 0.0)
  61         result = 0.0;
  62     if (result > 255)
  63         result = 255;
  64     return result;
  65 }
  66
  67 static wxColor wxStepColour(const wxColor& c, int ialpha)
  68 {
  69     if (ialpha == 100)
  70         return c;
  71
  72     double r = c.Red(), g = c.Green(), b = c.Blue();
  73     double bg;
  74
  75     // ialpha is 0..200 where 0 is completely black
  76     // and 200 is completely white and 100 is the same
  77     // convert that to normal alpha 0.0 - 1.0
  78     ialpha = wxMin(ialpha, 200);
  79     ialpha = wxMax(ialpha, 0);
  80     double alpha = ((double)(ialpha - 100.0))/100.0;
  81
  82     if (ialpha > 100)
  83     {
  84         // blend with white
  85         bg = 255.0;
  86         alpha = 1.0 - alpha;  // 0 = transparent fg; 1 = opaque fg
  87     }
  88      else
  89     {
  90         // blend with black
  91         bg = 0.0;
  92         alpha = 1.0 + alpha;  // 0 = transparent fg; 1 = opaque fg
  93     }
  94
  95     r = wxBlendColour(r, bg, alpha);
  96     g = wxBlendColour(g, bg, alpha);
  97     b = wxBlendColour(b, bg, alpha);
  98
  99     return wxColour((unsigned char)r, (unsigned char)g, (unsigned char)b);
 100 }
 101
 102 #define LIGHT_STEP 160
 103
 104 // ----------------------------------------------------------------------------
 105 // wxSearchTextCtrl: text control used by search control
 106 // ----------------------------------------------------------------------------
 107
 108 class wxSearchTextCtrl : public wxTextCtrl
 109 {
 110 public:
 111     wxSearchTextCtrl(wxSearchCtrl *search, const wxString& value, int style)
 112         : wxTextCtrl(search, wxID_ANY, value, wxDefaultPosition, wxDefaultSize,
 113                      style | wxNO_BORDER)
 114     {
 115         m_search = search;
 116         m_defaultFG = GetForegroundColour();
 117
 118         // remove the default minsize, the searchctrl will have one instead
 119         SetSizeHints(wxDefaultCoord,wxDefaultCoord);
 120     }
 121
 122     void SetDescriptiveText(const wxString& text)
 123     {
 124         if ( GetValue() == m_descriptiveText )
 125         {
 126             ChangeValue(wxEmptyString);
 127         }
 128
 129         m_descriptiveText = text;
 130     }
 131
 132     wxString GetDescriptiveText() const
 133     {
 134         return m_descriptiveText;
 135     }
 136
 137
 138     // provide access to the base class protected methods to wxSearchCtrl which
 139     // needs to forward to them
 140     void DoSetValue(const wxString& value, int flags)
 141     {
 142         wxTextCtrl::DoSetValue(value, flags);
 143     }
 144
 145     bool DoLoadFile(const wxString& file, int fileType)
 146     {
 147         return wxTextCtrl::DoLoadFile(file, fileType);
 148     }
 149
 150     bool DoSaveFile(const wxString& file, int fileType)
 151     {
 152         return wxTextCtrl::DoSaveFile(file, fileType);
 153     }
 154
 155 protected:
 156     void OnText(wxCommandEvent& eventText)
 157     {
 158         wxCommandEvent event(eventText);
 159         event.SetEventObject(m_search);
 160         event.SetId(m_search->GetId());
 161
 162         m_search->GetEventHandler()->ProcessEvent(event);
 163     }
 164
 165     void OnTextUrl(wxTextUrlEvent& eventText)
 166     {
 167         // copy constructor is disabled for some reason?
 168         //wxTextUrlEvent event(eventText);
 169         wxTextUrlEvent event(
 170             m_search->GetId(),
 171             eventText.GetMouseEvent(),
 172             eventText.GetURLStart(),
 173             eventText.GetURLEnd()
 174             );
 175         event.SetEventObject(m_search);
 176
 177         m_search->GetEventHandler()->ProcessEvent(event);
 178     }
 179
 180     void OnIdle(wxIdleEvent& WXUNUSED(event))
 181     {
 182         if ( IsEmpty() && !(wxWindow::FindFocus() == this) )
 183         {
 184             ChangeValue(m_descriptiveText);
 185             SetInsertionPoint(0);
 186             SetForegroundColour(wxStepColour(m_defaultFG, LIGHT_STEP));
 187         }
 188     }
 189
 190     void OnFocus(wxFocusEvent& event)
 191     {
 192         event.Skip();
 193         if ( GetValue() == m_descriptiveText )
 194         {
 195             ChangeValue(wxEmptyString);
 196             SetForegroundColour(m_defaultFG);
 197         }
 198     }
 199
 200 private:
 201     wxSearchCtrl* m_search;
 202     wxString      m_descriptiveText;
 203     wxColour      m_defaultFG;
 204
 205     DECLARE_EVENT_TABLE()
 206 };
 207
 208 BEGIN_EVENT_TABLE(wxSearchTextCtrl, wxTextCtrl)
 209     EVT_TEXT(wxID_ANY, wxSearchTextCtrl::OnText)
 210     EVT_TEXT_ENTER(wxID_ANY, wxSearchTextCtrl::OnText)
 211     EVT_TEXT_URL(wxID_ANY, wxSearchTextCtrl::OnTextUrl)
 212     EVT_TEXT_MAXLEN(wxID_ANY, wxSearchTextCtrl::OnText)
 213     EVT_IDLE(wxSearchTextCtrl::OnIdle)
 214     EVT_SET_FOCUS(wxSearchTextCtrl::OnFocus)
 215 END_EVENT_TABLE()
 216
 217 // ----------------------------------------------------------------------------
 218 // wxSearchButton: search button used by search control
 219 // ----------------------------------------------------------------------------
 220
 221 class wxSearchButton : public wxControl
 222 {
 223 public:
 224     wxSearchButton(wxSearchCtrl *search, int eventType, const wxBitmap& bmp)
 225         : wxControl(search, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxNO_BORDER),
 226           m_search(search),
 227           m_eventType(eventType),
 228           m_bmp(bmp)
 229     { }
 230
 231     void SetBitmapLabel(const wxBitmap& label) { m_bmp = label; }
 232
 233
 234 protected:
 235     wxSize DoGetBestSize() const
 236     {
 237         return wxSize(m_bmp.GetWidth(), m_bmp.GetHeight());
 238     }
 239
 240     void OnLeftUp(wxMouseEvent&)
 241     {
 242         wxCommandEvent event(m_eventType, m_search->GetId());
 243         event.SetEventObject(m_search);
 244
 245         GetEventHandler()->ProcessEvent(event);
 246
 247         m_search->SetFocus();
 248
 249 #if wxUSE_MENUS
 250         if ( m_eventType == wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN )
 251         {
 252             // this happens automatically, just like on Mac OS X
 253             m_search->PopupSearchMenu();
 254         }
 255 #endif // wxUSE_MENUS
 256     }
 257
 258     void OnPaint(wxPaintEvent&)
 259     {
 260         wxPaintDC dc(this);
 261         dc.DrawBitmap(m_bmp, 0,0, true);
 262     }
 263
 264
 265 private:
 266     wxSearchCtrl *m_search;
 267     wxEventType   m_eventType;
 268     wxBitmap      m_bmp;
 269
 270     DECLARE_EVENT_TABLE()
 271 };
 272
 273 BEGIN_EVENT_TABLE(wxSearchButton, wxControl)
 274     EVT_LEFT_UP(wxSearchButton::OnLeftUp)
 275     EVT_PAINT(wxSearchButton::OnPaint)
 276 END_EVENT_TABLE()
 277
 278 BEGIN_EVENT_TABLE(wxSearchCtrl, wxSearchCtrlBase)
 279     EVT_SEARCHCTRL_SEARCH_BTN(wxID_ANY, wxSearchCtrl::OnSearchButton)
 280     EVT_SET_FOCUS(wxSearchCtrl::OnSetFocus)
 281     EVT_SIZE(wxSearchCtrl::OnSize)
 282 END_EVENT_TABLE()
 283
 284 IMPLEMENT_DYNAMIC_CLASS(wxSearchCtrl, wxSearchCtrlBase)
 285
 286 // ============================================================================
 287 // implementation
 288 // ============================================================================
 289
 290 // ----------------------------------------------------------------------------
 291 // wxSearchCtrl creation
 292 // ----------------------------------------------------------------------------
 293
 294 // creation
 295 // --------
 296
 297 wxSearchCtrl::wxSearchCtrl()
 298 {
 299     Init();
 300 }
 301
 302 wxSearchCtrl::wxSearchCtrl(wxWindow *parent, wxWindowID id,
 303            const wxString& value,
 304            const wxPoint& pos,
 305            const wxSize& size,
 306            long style,
 307            const wxValidator& validator,
 308            const wxString& name)
 309 {
 310     Init();
 311
 312     Create(parent, id, value, pos, size, style, validator, name);
 313 }
 314
 315 void wxSearchCtrl::Init()
 316 {
 317     m_text = NULL;
 318     m_searchButton = NULL;
 319     m_cancelButton = NULL;
 320 #if wxUSE_MENUS
 321     m_menu = NULL;
 322 #endif // wxUSE_MENUS
 323
 324     m_searchButtonVisible = true;
 325     m_cancelButtonVisible = false;
 326
 327     m_searchBitmapUser = false;
 328     m_cancelBitmapUser = false;
 329 #if wxUSE_MENUS
 330     m_searchMenuBitmapUser = false;
 331 #endif // wxUSE_MENUS
 332 }
 333
 334 bool wxSearchCtrl::Create(wxWindow *parent, wxWindowID id,
 335             const wxString& value,
 336             const wxPoint& pos,
 337             const wxSize& size,
 338             long style,
 339             const wxValidator& validator,
 340             const wxString& name)
 341 {
 342     // force border style for more native appearance
 343     style &= ~wxBORDER_MASK;
 344 #ifdef __WXGTK__
 345     style |= wxBORDER_SUNKEN;
 346 #elif defined(__WXMSW__)
 347     // Don't set the style explicitly, let GetDefaultBorder() work it out, unless
 348     // we will get a sunken border (e.g. on Windows 200) in which case we must
 349     // override with a simple border.
 350     if (GetDefaultBorder() == wxBORDER_SUNKEN)
 351         style |= wxBORDER_SIMPLE;
 352 #else
 353     style |= wxBORDER_SIMPLE;
 354 #endif
 355     if ( !wxSearchCtrlBaseBaseClass::Create(parent, id, pos, size,
 356                                             style, validator, name) )
 357     {
 358         return false;
 359     }
 360
 361     m_text = new wxSearchTextCtrl(this, value, style & ~wxBORDER_MASK);
 362     m_text->SetDescriptiveText(_("Search"));
 363
 364     m_searchButton = new wxSearchButton(this,
 365                                         wxEVT_COMMAND_SEARCHCTRL_SEARCH_BTN,
 366                                         m_searchBitmap);
 367     m_cancelButton = new wxSearchButton(this,
 368                                         wxEVT_COMMAND_SEARCHCTRL_CANCEL_BTN,
 369                                         m_cancelBitmap);
 370
 371     SetForegroundColour( m_text->GetForegroundColour() );
 372     m_searchButton->SetForegroundColour( m_text->GetForegroundColour() );
 373     m_cancelButton->SetForegroundColour( m_text->GetForegroundColour() );
 374
 375     SetBackgroundColour( m_text->GetBackgroundColour() );
 376     m_searchButton->SetBackgroundColour( m_text->GetBackgroundColour() );
 377     m_cancelButton->SetBackgroundColour( m_text->GetBackgroundColour() );
 378
 379     RecalcBitmaps();
 380
 381     SetInitialSize(size);
 382     Move(pos);
 383     return true;
 384 }
 385
 386 wxSearchCtrl::~wxSearchCtrl()
 387 {
 388     delete m_text;
 389     delete m_searchButton;
 390     delete m_cancelButton;
 391 #if wxUSE_MENUS
 392     delete m_menu;
 393 #endif // wxUSE_MENUS
 394 }
 395
 396
 397 // search control specific interfaces
 398 #if wxUSE_MENUS
 399
 400 void wxSearchCtrl::SetMenu( wxMenu* menu )
 401 {
 402     if ( menu == m_menu )
 403     {
 404         // no change
 405         return;
 406     }
 407     bool hadMenu = (m_menu != NULL);
 408     delete m_menu;
 409     m_menu = menu;
 410
 411     if ( m_menu && !hadMenu )
 412     {
 413         m_searchButton->SetBitmapLabel(m_searchMenuBitmap);
 414         m_searchButton->Refresh();
 415     }
 416     else if ( !m_menu && hadMenu )
 417     {
 418         m_searchButton->SetBitmapLabel(m_searchBitmap);
 419         if ( m_searchButtonVisible )
 420         {
 421             m_searchButton->Refresh();
 422         }
 423     }
 424     wxRect rect = GetRect();
 425     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 426 }
 427
 428 wxMenu* wxSearchCtrl::GetMenu()
 429 {
 430     return m_menu;
 431 }
 432
 433 #endif // wxUSE_MENUS
 434
 435 void wxSearchCtrl::ShowSearchButton( bool show )
 436 {
 437     if ( m_searchButtonVisible == show )
 438     {
 439         // no change
 440         return;
 441     }
 442     m_searchButtonVisible = show;
 443     if ( m_searchButtonVisible )
 444     {
 445         RecalcBitmaps();
 446     }
 447
 448     wxRect rect = GetRect();
 449     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 450 }
 451
 452 bool wxSearchCtrl::IsSearchButtonVisible() const
 453 {
 454     return m_searchButtonVisible;
 455 }
 456
 457
 458 void wxSearchCtrl::ShowCancelButton( bool show )
 459 {
 460     if ( m_cancelButtonVisible == show )
 461     {
 462         // no change
 463         return;
 464     }
 465     m_cancelButtonVisible = show;
 466
 467     wxRect rect = GetRect();
 468     LayoutControls(0, 0, rect.GetWidth(), rect.GetHeight());
 469 }
 470
 471 bool wxSearchCtrl::IsCancelButtonVisible() const
 472 {
 473     return m_cancelButtonVisible;
 474 }
 475
 476 void wxSearchCtrl::SetDescriptiveText(const wxString& text)
 477 {
 478     m_text->SetDescriptiveText(text);
 479 }
 480
 481 wxString wxSearchCtrl::GetDescriptiveText() const
 482 {
 483     return m_text->GetDescriptiveText();
 484 }
 485
 486 // ----------------------------------------------------------------------------
 487 // geometry
 488 // ----------------------------------------------------------------------------
 489
 490 wxSize wxSearchCtrl::DoGetBestSize() const
 491 {
 492     wxSize sizeText = m_text->GetBestSize();
 493     wxSize sizeSearch(0,0);
 494     wxSize sizeCancel(0,0);
 495     int searchMargin = 0;
 496     int cancelMargin = 0;
 497     if ( m_searchButtonVisible || HasMenu() )
 498     {
 499         sizeSearch = m_searchButton->GetBestSize();
 500         searchMargin = MARGIN;
 501     }
 502     if ( m_cancelButtonVisible )
 503     {
 504         sizeCancel = m_cancelButton->GetBestSize();
 505         cancelMargin = MARGIN;
 506     }
 507
 508     int horizontalBorder = 1 + ( sizeText.y - sizeText.y * 14 / 21 ) / 2;
 509
 510     // buttons are square and equal to the height of the text control
 511     int height = sizeText.y;
 512     return wxSize(sizeSearch.x + searchMargin + sizeText.x + cancelMargin + sizeCancel.x + 2*horizontalBorder,
 513                   height + 2*BORDER);
 514 }
 515
 516 void wxSearchCtrl::DoMoveWindow(int x, int y, int width, int height)
 517 {
 518     wxSearchCtrlBase::DoMoveWindow(x, y, width, height);
 519
 520     LayoutControls(0, 0, width, height);
 521 }
 522
 523 void wxSearchCtrl::LayoutControls(int x, int y, int width, int height)
 524 {
 525     if ( !m_text )
 526         return;
 527
 528     wxSize sizeText = m_text->GetBestSize();
 529     // make room for the search menu & clear button
 530     int horizontalBorder = ( sizeText.y - sizeText.y * 14 / 21 ) / 2;
 531     x += horizontalBorder;
 532     y += BORDER;
 533     width -= horizontalBorder*2;
 534     height -= BORDER*2;
 535     if (width < 0) width = 0;
 536     if (height < 0) height = 0;
 537
 538     wxSize sizeSearch(0,0);
 539     wxSize sizeCancel(0,0);
 540     int searchMargin = 0;
 541     int cancelMargin = 0;
 542     if ( m_searchButtonVisible || HasMenu() )
 543     {
 544         sizeSearch = m_searchButton->GetBestSize();
 545         searchMargin = MARGIN;
 546     }
 547     if ( m_cancelButtonVisible )
 548     {
 549         sizeCancel = m_cancelButton->GetBestSize();
 550         cancelMargin = MARGIN;
 551     }
 552     m_searchButton->Show( m_searchButtonVisible || HasMenu() );
 553     m_cancelButton->Show( m_cancelButtonVisible );
 554
 555     if ( sizeSearch.x + sizeCancel.x > width )
 556     {
 557         sizeSearch.x = width/2;
 558         sizeCancel.x = width/2;
 559         searchMargin = 0;
 560         cancelMargin = 0;
 561     }
 562     wxCoord textWidth = width - sizeSearch.x - sizeCancel.x - searchMargin - cancelMargin - 1;
 563     if (textWidth < 0) textWidth = 0;
 564
 565     // position the subcontrols inside the client area
 566
 567     m_searchButton->SetSize(x, y + ICON_OFFSET - 1, sizeSearch.x, height);
 568     m_text->SetSize( x + sizeSearch.x + searchMargin,
 569                      y + ICON_OFFSET - BORDER,
 570                      textWidth,
 571                      height);
 572     m_cancelButton->SetSize(x + sizeSearch.x + searchMargin + textWidth + cancelMargin,
 573                             y + ICON_OFFSET - 1, sizeCancel.x, height);
 574 }
 575
 576
 577 // accessors
 578 // ---------
 579
 580 wxString wxSearchCtrl::DoGetValue() const
 581 {
 582     wxString value = m_text->GetValue();
 583     if (value == m_text->GetDescriptiveText())
 584         return wxEmptyString;
 585     else
 586         return value;
 587 }
 588 wxString wxSearchCtrl::GetRange(long from, long to) const
 589 {
 590     return m_text->GetRange(from, to);
 591 }
 592
 593 int wxSearchCtrl::GetLineLength(long lineNo) const
 594 {
 595     return m_text->GetLineLength(lineNo);
 596 }
 597 wxString wxSearchCtrl::GetLineText(long lineNo) const
 598 {
 599     return m_text->GetLineText(lineNo);
 600 }
 601 int wxSearchCtrl::GetNumberOfLines() const
 602 {
 603     return m_text->GetNumberOfLines();
 604 }
 605
 606 bool wxSearchCtrl::IsModified() const
 607 {
 608     return m_text->IsModified();
 609 }
 610 bool wxSearchCtrl::IsEditable() const
 611 {
 612     return m_text->IsEditable();
 613 }
 614
 615 // more readable flag testing methods
 616 bool wxSearchCtrl::IsSingleLine() const
 617 {
 618     return m_text->IsSingleLine();
 619 }
 620 bool wxSearchCtrl::IsMultiLine() const
 621 {
 622     return m_text->IsMultiLine();
 623 }
 624
 625 // If the return values from and to are the same, there is no selection.
 626 void wxSearchCtrl::GetSelection(long* from, long* to) const
 627 {
 628     m_text->GetSelection(from, to);
 629 }
 630
 631 wxString wxSearchCtrl::GetStringSelection() const
 632 {
 633     return m_text->GetStringSelection();
 634 }
 635
 636 // operations
 637 // ----------
 638
 639 // editing
 640 void wxSearchCtrl::Clear()
 641 {
 642     m_text->Clear();
 643 }
 644 void wxSearchCtrl::Replace(long from, long to, const wxString& value)
 645 {
 646     m_text->Replace(from, to, value);
 647 }
 648 void wxSearchCtrl::Remove(long from, long to)
 649 {
 650     m_text->Remove(from, to);
 651 }
 652
 653 // load/save the controls contents from/to the file
 654 bool wxSearchCtrl::LoadFile(const wxString& file)
 655 {
 656     return m_text->LoadFile(file);
 657 }
 658 bool wxSearchCtrl::SaveFile(const wxString& file)
 659 {
 660     return m_text->SaveFile(file);
 661 }
 662
 663 // sets/clears the dirty flag
 664 void wxSearchCtrl::MarkDirty()
 665 {
 666     m_text->MarkDirty();
 667 }
 668 void wxSearchCtrl::DiscardEdits()
 669 {
 670     m_text->DiscardEdits();
 671 }
 672
 673 // set the max number of characters which may be entered in a single line
 674 // text control
 675 void wxSearchCtrl::SetMaxLength(unsigned long len)
 676 {
 677     m_text->SetMaxLength(len);
 678 }
 679
 680 // writing text inserts it at the current position, appending always
 681 // inserts it at the end
 682 void wxSearchCtrl::WriteText(const wxString& text)
 683 {
 684     m_text->WriteText(text);
 685 }
 686 void wxSearchCtrl::AppendText(const wxString& text)
 687 {
 688     m_text->AppendText(text);
 689 }
 690
 691 // insert the character which would have resulted from this key event,
 692 // return true if anything has been inserted
 693 bool wxSearchCtrl::EmulateKeyPress(const wxKeyEvent& event)
 694 {
 695     return m_text->EmulateKeyPress(event);
 696 }
 697
 698 // text control under some platforms supports the text styles: these
 699 // methods allow to apply the given text style to the given selection or to
 700 // set/get the style which will be used for all appended text
 701 bool wxSearchCtrl::SetStyle(long start, long end, const wxTextAttr& style)
 702 {
 703     return m_text->SetStyle(start, end, style);
 704 }
 705 bool wxSearchCtrl::GetStyle(long position, wxTextAttr& style)
 706 {
 707     return m_text->GetStyle(position, style);
 708 }
 709 bool wxSearchCtrl::SetDefaultStyle(const wxTextAttr& style)
 710 {
 711     return m_text->SetDefaultStyle(style);
 712 }
 713 const wxTextAttr& wxSearchCtrl::GetDefaultStyle() const
 714 {
 715     return m_text->GetDefaultStyle();
 716 }
 717
 718 // translate between the position (which is just an index in the text ctrl
 719 // considering all its contents as a single strings) and (x, y) coordinates
 720 // which represent column and line.
 721 long wxSearchCtrl::XYToPosition(long x, long y) const
 722 {
 723     return m_text->XYToPosition(x, y);
 724 }
 725 bool wxSearchCtrl::PositionToXY(long pos, long *x, long *y) const
 726 {
 727     return m_text->PositionToXY(pos, x, y);
 728 }
 729
 730 void wxSearchCtrl::ShowPosition(long pos)
 731 {
 732     m_text->ShowPosition(pos);
 733 }
 734
 735 // find the character at position given in pixels
 736 //
 737 // NB: pt is in device coords (not adjusted for the client area origin nor
 738 //     scrolling)
 739 wxTextCtrlHitTestResult wxSearchCtrl::HitTest(const wxPoint& pt, long *pos) const
 740 {
 741     return m_text->HitTest(pt, pos);
 742 }
 743 wxTextCtrlHitTestResult wxSearchCtrl::HitTest(const wxPoint& pt,
 744                                         wxTextCoord *col,
 745                                         wxTextCoord *row) const
 746 {
 747     return m_text->HitTest(pt, col, row);
 748 }
 749
 750 // Clipboard operations
 751 void wxSearchCtrl::Copy()
 752 {
 753     m_text->Copy();
 754 }
 755 void wxSearchCtrl::Cut()
 756 {
 757     m_text->Cut();
 758 }
 759 void wxSearchCtrl::Paste()
 760 {
 761     m_text->Paste();
 762 }
 763
 764 bool wxSearchCtrl::CanCopy() const
 765 {
 766     return m_text->CanCopy();
 767 }
 768 bool wxSearchCtrl::CanCut() const
 769 {
 770     return m_text->CanCut();
 771 }
 772 bool wxSearchCtrl::CanPaste() const
 773 {
 774     return m_text->CanPaste();
 775 }
 776
 777 // Undo/redo
 778 void wxSearchCtrl::Undo()
 779 {
 780     m_text->Undo();
 781 }
 782 void wxSearchCtrl::Redo()
 783 {
 784     m_text->Redo();
 785 }
 786
 787 bool wxSearchCtrl::CanUndo() const
 788 {
 789     return m_text->CanUndo();
 790 }
 791 bool wxSearchCtrl::CanRedo() const
 792 {
 793     return m_text->CanRedo();
 794 }
 795
 796 // Insertion point
 797 void wxSearchCtrl::SetInsertionPoint(long pos)
 798 {
 799     m_text->SetInsertionPoint(pos);
 800 }
 801 void wxSearchCtrl::SetInsertionPointEnd()
 802 {
 803     m_text->SetInsertionPointEnd();
 804 }
 805 long wxSearchCtrl::GetInsertionPoint() const
 806 {
 807     return m_text->GetInsertionPoint();
 808 }
 809 long wxSearchCtrl::GetLastPosition() const
 810 {
 811     return m_text->GetLastPosition();
 812 }
 813
 814 void wxSearchCtrl::SetSelection(long from, long to)
 815 {
 816     m_text->SetSelection(from, to);
 817 }
 818 void wxSearchCtrl::SelectAll()
 819 {
 820     m_text->SelectAll();
 821 }
 822
 823 void wxSearchCtrl::SetEditable(bool editable)
 824 {
 825     m_text->SetEditable(editable);
 826 }
 827
 828 bool wxSearchCtrl::SetFont(const wxFont& font)
 829 {
 830     bool result = wxSearchCtrlBase::SetFont(font);
 831     if ( result && m_text )
 832     {
 833         result = m_text->SetFont(font);
 834     }
 835     RecalcBitmaps();
 836     return result;
 837 }
 838
 839 // search control generic only
 840 void wxSearchCtrl::SetSearchBitmap( const wxBitmap& bitmap )
 841 {
 842     m_searchBitmap = bitmap;
 843     m_searchBitmapUser = bitmap.Ok();
 844     if ( m_searchBitmapUser )
 845     {
 846         if ( m_searchButton && !HasMenu() )
 847         {
 848             m_searchButton->SetBitmapLabel( m_searchBitmap );
 849         }
 850     }
 851     else
 852     {
 853         // the user bitmap was just cleared, generate one
 854         RecalcBitmaps();
 855     }
 856 }
 857
 858 #if wxUSE_MENUS
 859
 860 void wxSearchCtrl::SetSearchMenuBitmap( const wxBitmap& bitmap )
 861 {
 862     m_searchMenuBitmap = bitmap;
 863     m_searchMenuBitmapUser = bitmap.Ok();
 864     if ( m_searchMenuBitmapUser )
 865     {
 866         if ( m_searchButton && m_menu )
 867         {
 868             m_searchButton->SetBitmapLabel( m_searchMenuBitmap );
 869         }
 870     }
 871     else
 872     {
 873         // the user bitmap was just cleared, generate one
 874         RecalcBitmaps();
 875     }
 876 }
 877
 878 #endif // wxUSE_MENUS
 879
 880 void wxSearchCtrl::SetCancelBitmap( const wxBitmap& bitmap )
 881 {
 882     m_cancelBitmap = bitmap;
 883     m_cancelBitmapUser = bitmap.Ok();
 884     if ( m_cancelBitmapUser )
 885     {
 886         if ( m_cancelButton )
 887         {
 888             m_cancelButton->SetBitmapLabel( m_cancelBitmap );
 889         }
 890     }
 891     else
 892     {
 893         // the user bitmap was just cleared, generate one
 894         RecalcBitmaps();
 895     }
 896 }
 897
 898 #if 0
 899
 900 // override streambuf method
 901 #if wxHAS_TEXT_WINDOW_STREAM
 902 int overflow(int i);
 903 #endif // wxHAS_TEXT_WINDOW_STREAM
 904
 905 // stream-like insertion operators: these are always available, whether we
 906 // were, or not, compiled with streambuf support
 907 wxTextCtrl& operator<<(const wxString& s);
 908 wxTextCtrl& operator<<(int i);
 909 wxTextCtrl& operator<<(long i);
 910 wxTextCtrl& operator<<(float f);
 911 wxTextCtrl& operator<<(double d);
 912 wxTextCtrl& operator<<(const wxChar c);
 913 #endif
 914
 915 void wxSearchCtrl::DoSetValue(const wxString& value, int flags)
 916 {
 917     m_text->DoSetValue(value, flags);
 918 }
 919
 920 bool wxSearchCtrl::DoLoadFile(const wxString& file, int fileType)
 921 {
 922     return m_text->DoLoadFile(file, fileType);
 923 }
 924
 925 bool wxSearchCtrl::DoSaveFile(const wxString& file, int fileType)
 926 {
 927     return m_text->DoSaveFile(file, fileType);
 928 }
 929
 930 // do the window-specific processing after processing the update event
 931 void wxSearchCtrl::DoUpdateWindowUI(wxUpdateUIEvent& event)
 932 {
 933     wxSearchCtrlBase::DoUpdateWindowUI(event);
 934 }
 935
 936 bool wxSearchCtrl::ShouldInheritColours() const
 937 {
 938     return true;
 939 }
 940
 941 // icons are rendered at 3-8 times larger than necessary and downscaled for
 942 // antialiasing
 943 static int GetMultiplier()
 944 {
 945 #ifdef __WXWINCE__
 946     // speed up bitmap generation by using a small bitmap
 947     return 3;
 948 #else
 949     int depth = ::wxDisplayDepth();
 950
 951     if  ( depth >= 24 )
 952     {
 953         return 8;
 954     }
 955     return 6;
 956 #endif
 957 }
 958
 959 wxBitmap wxSearchCtrl::RenderSearchBitmap( int x, int y, bool renderDrop )
 960 {
 961     wxColour bg = GetBackgroundColour();
 962     wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP-20);
 963
 964     //===============================================================================
 965     // begin drawing code
 966     //===============================================================================
 967     // image stats
 968
 969     // force width:height ratio
 970     if ( 14*x > y*20 )
 971     {
 972         // x is too big
 973         x = y*20/14;
 974     }
 975     else
 976     {
 977         // y is too big
 978         y = x*14/20;
 979     }
 980
 981     // glass 11x11, top left corner
 982     // handle (9,9)-(13,13)
 983     // drop (13,16)-(19,6)-(16,9)
 984
 985     int multiplier = GetMultiplier();
 986     int penWidth = multiplier * 2;
 987
 988     penWidth = penWidth * x / 20;
 989
 990     wxBitmap bitmap( multiplier*x, multiplier*y );
 991     wxMemoryDC mem;
 992     mem.SelectObject(bitmap);
 993
 994     // clear background
 995     mem.SetBrush( wxBrush(bg) );
 996     mem.SetPen( wxPen(bg) );
 997     mem.DrawRectangle(0,0,bitmap.GetWidth(),bitmap.GetHeight());
 998
 999     // draw drop glass
1000     mem.SetBrush( wxBrush(fg) );
1001     mem.SetPen( wxPen(fg) );
1002     int glassBase = 5 * x / 20;
1003     int glassFactor = 2*glassBase + 1;
1004     int radius = multiplier*glassFactor/2;
1005     mem.DrawCircle(radius,radius,radius);
1006     mem.SetBrush( wxBrush(bg) );
1007     mem.SetPen( wxPen(bg) );
1008     mem.DrawCircle(radius,radius,radius-penWidth);
1009
1010     // draw handle
1011     int lineStart = radius + (radius-penWidth/2) * 707 / 1000; // 707 / 1000 = 0.707 = 1/sqrt(2);
1012
1013     mem.SetPen( wxPen(fg) );
1014     mem.SetBrush( wxBrush(fg) );
1015     int handleCornerShift = penWidth * 707 / 1000 / 2; // 707 / 1000 = 0.707 = 1/sqrt(2);
1016     handleCornerShift = WXMAX( handleCornerShift, 1 );
1017     int handleBase = 4 * x / 20;
1018     int handleLength = 2*handleBase+1;
1019     wxPoint handlePolygon[] =
1020     {
1021         wxPoint(-handleCornerShift,+handleCornerShift),
1022         wxPoint(+handleCornerShift,-handleCornerShift),
1023         wxPoint(multiplier*handleLength/2+handleCornerShift,multiplier*handleLength/2-handleCornerShift),
1024         wxPoint(multiplier*handleLength/2-handleCornerShift,multiplier*handleLength/2+handleCornerShift),
1025     };
1026     mem.DrawPolygon(WXSIZEOF(handlePolygon),handlePolygon,lineStart,lineStart);
1027
1028     // draw drop triangle
1029     int triangleX = 13 * x / 20;
1030     int triangleY = 5 * x / 20;
1031     int triangleBase = 3 * x / 20;
1032     int triangleFactor = triangleBase*2+1;
1033     if ( renderDrop )
1034     {
1035         wxPoint dropPolygon[] =
1036         {
1037             wxPoint(multiplier*0,multiplier*0), // triangle left
1038             wxPoint(multiplier*triangleFactor-1,multiplier*0), // triangle right
1039             wxPoint(multiplier*triangleFactor/2,multiplier*triangleFactor/2), // triangle bottom
1040         };
1041         mem.DrawPolygon(WXSIZEOF(dropPolygon),dropPolygon,multiplier*triangleX,multiplier*triangleY);
1042     }
1043     mem.SelectObject(wxNullBitmap);
1044
1045     //===============================================================================
1046     // end drawing code
1047     //===============================================================================
1048
1049     if ( multiplier != 1 )
1050     {
1051         wxImage image = bitmap.ConvertToImage();
1052         image.Rescale(x,y);
1053         bitmap = wxBitmap( image );
1054     }
1055     if ( !renderDrop )
1056     {
1057         // Trim the edge where the arrow would have gone
1058         bitmap = bitmap.GetSubBitmap(wxRect(0,0, y,y));
1059     }
1060
1061     return bitmap;
1062 }
1063
1064 wxBitmap wxSearchCtrl::RenderCancelBitmap( int x, int y )
1065 {
1066     wxColour bg = GetBackgroundColour();
1067     wxColour fg = wxStepColour(GetForegroundColour(), LIGHT_STEP);
1068
1069     //===============================================================================
1070     // begin drawing code
1071     //===============================================================================
1072     // image stats
1073
1074     // total size 14x14
1075     // force 1:1 ratio
1076     if ( x > y )
1077     {
1078         // x is too big
1079         x = y;
1080     }
1081     else
1082     {
1083         // y is too big
1084         y = x;
1085     }
1086
1087     // 14x14 circle
1088     // cross line starts (4,4)-(10,10)
1089     // drop (13,16)-(19,6)-(16,9)
1090
1091     int multiplier = GetMultiplier();
1092
1093     int penWidth = multiplier * x / 14;
1094
1095     wxBitmap bitmap( multiplier*x, multiplier*y );
1096     wxMemoryDC mem;
1097     mem.SelectObject(bitmap);
1098
1099     // clear background
1100     mem.SetBrush( wxBrush(bg) );
1101     mem.SetPen( wxPen(bg) );
1102     mem.DrawRectangle(0,0,bitmap.GetWidth(),bitmap.GetHeight());
1103
1104     // draw drop glass
1105     mem.SetBrush( wxBrush(fg) );
1106     mem.SetPen( wxPen(fg) );
1107     int radius = multiplier*x/2;
1108     mem.DrawCircle(radius,radius,radius);
1109
1110     // draw cross
1111     int lineStartBase = 4 * x / 14;
1112     int lineLength = x - 2*lineStartBase;
1113
1114     mem.SetPen( wxPen(bg) );
1115     mem.SetBrush( wxBrush(bg) );
1116     int handleCornerShift = penWidth/2;
1117     handleCornerShift = WXMAX( handleCornerShift, 1 );
1118     wxPoint handlePolygon[] =
1119     {
1120         wxPoint(-handleCornerShift,+handleCornerShift),
1121         wxPoint(+handleCornerShift,-handleCornerShift),
1122         wxPoint(multiplier*lineLength+handleCornerShift,multiplier*lineLength-handleCornerShift),
1123         wxPoint(multiplier*lineLength-handleCornerShift,multiplier*lineLength+handleCornerShift),
1124     };
1125     mem.DrawPolygon(WXSIZEOF(handlePolygon),handlePolygon,multiplier*lineStartBase,multiplier*lineStartBase);
1126     wxPoint handlePolygon2[] =
1127     {
1128         wxPoint(+handleCornerShift,+handleCornerShift),
1129         wxPoint(-handleCornerShift,-handleCornerShift),
1130         wxPoint(multiplier*lineLength-handleCornerShift,-multiplier*lineLength-handleCornerShift),
1131         wxPoint(multiplier*lineLength+handleCornerShift,-multiplier*lineLength+handleCornerShift),
1132     };
1133     mem.DrawPolygon(WXSIZEOF(handlePolygon2),handlePolygon2,multiplier*lineStartBase,multiplier*(x-lineStartBase));
1134
1135     //===============================================================================
1136     // end drawing code
1137     //===============================================================================
1138
1139     if ( multiplier != 1 )
1140     {
1141         wxImage image = bitmap.ConvertToImage();
1142         image.Rescale(x,y);
1143         bitmap = wxBitmap( image );
1144     }
1145
1146     return bitmap;
1147 }
1148
1149 void wxSearchCtrl::RecalcBitmaps()
1150 {
1151     if ( !m_text )
1152     {
1153         return;
1154     }
1155     wxSize sizeText = m_text->GetBestSize();
1156
1157     int bitmapHeight = sizeText.y - 2 * ICON_MARGIN;
1158     int bitmapWidth  = sizeText.y * 20 / 14;
1159
1160     if ( !m_searchBitmapUser )
1161     {
1162         if (
1163             !m_searchBitmap.Ok() ||
1164             m_searchBitmap.GetHeight() != bitmapHeight ||
1165             m_searchBitmap.GetWidth() != bitmapWidth
1166             )
1167         {
1168             m_searchBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,false);
1169             if ( !HasMenu() )
1170             {
1171                 m_searchButton->SetBitmapLabel(m_searchBitmap);
1172             }
1173         }
1174         // else this bitmap was set by user, don't alter
1175     }
1176
1177 #if wxUSE_MENUS
1178     if ( !m_searchMenuBitmapUser )
1179     {
1180         if (
1181             !m_searchMenuBitmap.Ok() ||
1182             m_searchMenuBitmap.GetHeight() != bitmapHeight ||
1183             m_searchMenuBitmap.GetWidth() != bitmapWidth
1184             )
1185         {
1186             m_searchMenuBitmap = RenderSearchBitmap(bitmapWidth,bitmapHeight,true);
1187             if ( m_menu )
1188             {
1189                 m_searchButton->SetBitmapLabel(m_searchMenuBitmap);
1190             }
1191         }
1192         // else this bitmap was set by user, don't alter
1193     }
1194 #endif // wxUSE_MENUS
1195
1196     if ( !m_cancelBitmapUser )
1197     {
1198         if (
1199             !m_cancelBitmap.Ok() ||
1200             m_cancelBitmap.GetHeight() != bitmapHeight ||
1201             m_cancelBitmap.GetWidth() != bitmapHeight
1202             )
1203         {
1204             m_cancelBitmap = RenderCancelBitmap(bitmapHeight-BORDER-1,bitmapHeight-BORDER-1); // square
1205             m_cancelButton->SetBitmapLabel(m_cancelBitmap);
1206         }
1207         // else this bitmap was set by user, don't alter
1208     }
1209 }
1210
1211 void wxSearchCtrl::OnSearchButton( wxCommandEvent& event )
1212 {
1213     event.Skip();
1214 }
1215
1216 void wxSearchCtrl::OnSetFocus( wxFocusEvent& /*event*/ )
1217 {
1218     if ( m_text )
1219     {
1220         m_text->SetFocus();
1221     }
1222 }
1223
1224 void wxSearchCtrl::OnSize( wxSizeEvent& WXUNUSED(event) )
1225 {
1226     int width, height;
1227     GetSize(&width, &height);
1228     LayoutControls(0, 0, width, height);
1229 }
1230
1231 #if wxUSE_MENUS
1232
1233 void wxSearchCtrl::PopupSearchMenu()
1234 {
1235     if ( m_menu )
1236     {
1237         wxSize size = GetSize();
1238         PopupMenu( m_menu, 0, size.y );
1239     }
1240 }
1241
1242 #endif // wxUSE_MENUS
1243
1244 #endif // !wxUSE_NATIVE_SEARCH_CONTROL
1245
1246 #endif // wxUSE_SEARCHCTRL