src/common/combocmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/combocmn.cpp
   3 // Purpose:     wxComboCtrlBase
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_COMBOCTRL
  27
  28 #include "wx/combobox.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/settings.h"
  34     #include "wx/dialog.h"
  35     #include "wx/timer.h"
  36 #endif
  37
  38 #include "wx/tooltip.h"
  39
  40 #include "wx/combo.h"
  41
  42
  43
  44 // constants
  45 // ----------------------------------------------------------------------------
  46
  47 // Milliseconds to wait for two mouse-ups after focus inorder
  48 // to trigger a double-click.
  49 #define DOUBLE_CLICK_CONVERSION_TRESHOLD        500
  50
  51 #define DEFAULT_DROPBUTTON_WIDTH                19
  52
  53 #define BMP_BUTTON_MARGIN                       4
  54
  55 #define DEFAULT_POPUP_HEIGHT                    400
  56
  57 #define DEFAULT_TEXT_INDENT                     3
  58
  59 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  60
  61
  62 #if defined(__WXMSW__)
  63
  64 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  65
  66 //#undef wxUSE_POPUPWIN
  67 //#define wxUSE_POPUPWIN 0
  68
  69 #elif defined(__WXGTK__)
  70
  71 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  72
  73 #elif defined(__WXMAC__)
  74
  75 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  76
  77 #else
  78
  79 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  80
  81 #endif
  82
  83
  84 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
  85 // what the wxUSE_POPUPWIN says.
  86 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
  87 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
  88 #undef wxUSE_POPUPWIN
  89 #define wxUSE_POPUPWIN 0
  90 #endif
  91
  92
  93 #if wxUSE_POPUPWIN
  94     #include "wx/popupwin.h"
  95 #else
  96     #undef USE_TRANSIENT_POPUP
  97     #define USE_TRANSIENT_POPUP 0
  98 #endif
  99
 100
 101 #if USE_TRANSIENT_POPUP
 102
 103     #define wxComboPopupWindowBase wxPopupTransientWindow
 104     #define INSTALL_TOPLEV_HANDLER       0
 105
 106 #elif wxUSE_POPUPWIN
 107
 108     #define wxComboPopupWindowBase wxPopupWindow
 109     #define INSTALL_TOPLEV_HANDLER       1
 110
 111 #else
 112
 113     #define wxComboPopupWindowBase wxDialog
 114     #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
 115
 116 #endif
 117
 118
 119
 120 //
 121 // ** TODO **
 122 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 123 //
 124
 125
 126 // ----------------------------------------------------------------------------
 127 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 128 // in its top level parent.
 129 // ----------------------------------------------------------------------------
 130
 131 #if INSTALL_TOPLEV_HANDLER
 132
 133 //
 134 // This will no longer be necessary after wxTransientPopupWindow
 135 // works well on all platforms.
 136 //
 137
 138 class wxComboFrameEventHandler : public wxEvtHandler
 139 {
 140 public:
 141     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 142     virtual ~wxComboFrameEventHandler();
 143
 144     void OnPopup();
 145
 146     void OnIdle( wxIdleEvent& event );
 147     void OnMouseEvent( wxMouseEvent& event );
 148     void OnActivate( wxActivateEvent& event );
 149     void OnResize( wxSizeEvent& event );
 150     void OnMove( wxMoveEvent& event );
 151     void OnMenuEvent( wxMenuEvent& event );
 152     void OnClose( wxCloseEvent& event );
 153
 154 protected:
 155     wxWindow*                       m_focusStart;
 156     wxComboCtrlBase*     m_combo;
 157
 158 private:
 159     DECLARE_EVENT_TABLE()
 160 };
 161
 162 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 163     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 164     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 165     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 166     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 167     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 168     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 169     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 170     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 171     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 172 END_EVENT_TABLE()
 173
 174 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 175     : wxEvtHandler()
 176 {
 177     m_combo = combo;
 178 }
 179
 180 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 181 {
 182 }
 183
 184 void wxComboFrameEventHandler::OnPopup()
 185 {
 186     m_focusStart = ::wxWindow::FindFocus();
 187 }
 188
 189 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 190 {
 191     wxWindow* winFocused = ::wxWindow::FindFocus();
 192
 193     wxWindow* popup = m_combo->GetPopupControl()->GetControl();
 194     wxWindow* winpopup = m_combo->GetPopupWindow();
 195
 196     if (
 197          winFocused != m_focusStart &&
 198          winFocused != popup &&
 199          winFocused->GetParent() != popup &&
 200          winFocused != winpopup &&
 201          winFocused->GetParent() != winpopup &&
 202          winFocused != m_combo &&
 203          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 204         )
 205     {
 206         m_combo->HidePopup();
 207     }
 208
 209     event.Skip();
 210 }
 211
 212 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 213 {
 214     m_combo->HidePopup();
 215     event.Skip();
 216 }
 217
 218 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 219 {
 220     m_combo->HidePopup();
 221     event.Skip();
 222 }
 223
 224 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 225 {
 226     m_combo->HidePopup();
 227     event.Skip();
 228 }
 229
 230 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 231 {
 232     m_combo->HidePopup();
 233     event.Skip();
 234 }
 235
 236 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 237 {
 238     m_combo->HidePopup();
 239     event.Skip();
 240 }
 241
 242 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 243 {
 244     m_combo->HidePopup();
 245     event.Skip();
 246 }
 247
 248 #endif // INSTALL_TOPLEV_HANDLER
 249
 250 // ----------------------------------------------------------------------------
 251 // wxComboPopupWindow is wxPopupWindow customized for
 252 // wxComboCtrl.
 253 // ----------------------------------------------------------------------------
 254
 255 class wxComboPopupWindow : public wxComboPopupWindowBase
 256 {
 257 public:
 258
 259     wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
 260
 261 #if USE_TRANSIENT_POPUP
 262     virtual bool ProcessLeftDown(wxMouseEvent& event);
 263 #endif
 264
 265     void OnKeyEvent(wxKeyEvent& event);
 266
 267     void OnMouseEvent( wxMouseEvent& event );
 268 #if !wxUSE_POPUPWIN
 269     void OnActivate( wxActivateEvent& event );
 270 #endif
 271
 272 protected:
 273
 274 #if USE_TRANSIENT_POPUP
 275     virtual void OnDismiss();
 276 #endif
 277
 278 private:
 279     DECLARE_EVENT_TABLE()
 280 };
 281
 282
 283 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
 284     EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
 285 #if !wxUSE_POPUPWIN
 286     EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
 287 #endif
 288     EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
 289     EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
 290 END_EVENT_TABLE()
 291
 292
 293 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
 294                                         int style )
 295 #if wxUSE_POPUPWIN
 296                                        : wxComboPopupWindowBase(parent,style)
 297 #else
 298                                        : wxComboPopupWindowBase(parent,
 299                                                                 wxID_ANY,
 300                                                                 wxEmptyString,
 301                                                                 wxPoint(-21,-21),
 302                                                                 wxSize(20,20),
 303                                                                 style)
 304 #endif
 305 {
 306 }
 307
 308 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
 309 {
 310     // Relay keyboard event to the main child controls
 311     // (just skipping may just cause the popup to close)
 312     wxWindowList children = GetChildren();
 313     wxWindowList::iterator node = children.begin();
 314     wxWindow* child = (wxWindow*)*node;
 315     child->AddPendingEvent(event);
 316 }
 317
 318 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
 319 {
 320     event.Skip();
 321 }
 322
 323 #if !wxUSE_POPUPWIN
 324 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
 325 {
 326     if ( !event.GetActive() )
 327     {
 328         // Tell combo control that we are dismissed.
 329         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 330         wxASSERT( combo );
 331         wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
 332
 333         combo->HidePopup();
 334
 335         event.Skip();
 336     }
 337 }
 338 #endif
 339
 340 #if USE_TRANSIENT_POPUP
 341 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
 342 {
 343     return wxComboPopupWindowBase::ProcessLeftDown(event);
 344 }
 345 #endif
 346
 347 #if USE_TRANSIENT_POPUP
 348 // First thing that happens when a transient popup closes is that this method gets called.
 349 void wxComboPopupWindow::OnDismiss()
 350 {
 351     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 352     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 353                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 354
 355     combo->OnPopupDismiss();
 356 }
 357 #endif
 358
 359 // ----------------------------------------------------------------------------
 360 // wxComboPopup
 361 //
 362 // ----------------------------------------------------------------------------
 363
 364 wxComboPopup::~wxComboPopup()
 365 {
 366 }
 367
 368 void wxComboPopup::OnPopup()
 369 {
 370 }
 371
 372 void wxComboPopup::OnDismiss()
 373 {
 374 }
 375
 376 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 377                                       int prefHeight,
 378                                       int WXUNUSED(maxHeight) )
 379 {
 380     return wxSize(minWidth,prefHeight);
 381 }
 382
 383 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 384                                              wxDC& dc, const wxRect& rect )
 385 {
 386     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 387     {
 388         combo->PrepareBackground(dc,rect,0);
 389
 390         dc.DrawText( combo->GetValue(),
 391                      rect.x + combo->GetTextIndent(),
 392                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 393     }
 394 }
 395
 396 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 397 {
 398     DefaultPaintComboControl(m_combo,dc,rect);
 399 }
 400
 401 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 402 {
 403     event.Skip();
 404 }
 405
 406 void wxComboPopup::OnComboDoubleClick()
 407 {
 408 }
 409
 410 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 411 {
 412 }
 413
 414 bool wxComboPopup::LazyCreate()
 415 {
 416     return false;
 417 }
 418
 419 void wxComboPopup::Dismiss()
 420 {
 421     m_combo->HidePopup();
 422 }
 423
 424 // ----------------------------------------------------------------------------
 425 // input handling
 426 // ----------------------------------------------------------------------------
 427
 428 //
 429 // This is pushed to the event handler queue of the child textctrl.
 430 //
 431 class wxComboBoxExtraInputHandler : public wxEvtHandler
 432 {
 433 public:
 434
 435     wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
 436         : wxEvtHandler()
 437     {
 438         m_combo = combo;
 439     }
 440     virtual ~wxComboBoxExtraInputHandler() { }
 441     void OnKey(wxKeyEvent& event);
 442     void OnFocus(wxFocusEvent& event);
 443
 444 protected:
 445     wxComboCtrlBase*   m_combo;
 446
 447 private:
 448     DECLARE_EVENT_TABLE()
 449 };
 450
 451
 452 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
 453     EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
 454     EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 455 END_EVENT_TABLE()
 456
 457
 458 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 459 {
 460     // Let the wxComboCtrl event handler have a go first.
 461     wxComboCtrlBase* combo = m_combo;
 462     wxObject* prevObj = event.GetEventObject();
 463
 464     event.SetId(combo->GetId());
 465     event.SetEventObject(combo);
 466     combo->GetEventHandler()->ProcessEvent(event);
 467
 468     event.SetId(((wxWindow*)prevObj)->GetId());
 469     event.SetEventObject(prevObj);
 470 }
 471
 472 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
 473 {
 474     // FIXME: This code does run when control is clicked,
 475     //        yet on Windows it doesn't select all the text.
 476     if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
 477     {
 478         if ( m_combo->GetTextCtrl() )
 479             m_combo->GetTextCtrl()->SelectAll();
 480         else
 481             m_combo->SetSelection(-1,-1);
 482     }
 483
 484     // Send focus indication to parent.
 485     // NB: This is needed for cases where the textctrl gets focus
 486     //     instead of its parent. While this may trigger multiple
 487     //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
 488     //     from combo's focus event handler), they should be quite
 489     //     harmless.
 490     wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
 491     evt2.SetEventObject(m_combo);
 492     m_combo->GetEventHandler()->ProcessEvent(evt2);
 493
 494     event.Skip();
 495 }
 496
 497
 498 //
 499 // This is pushed to the event handler queue of the control in popup.
 500 //
 501
 502 class wxComboPopupExtraEventHandler : public wxEvtHandler
 503 {
 504 public:
 505
 506     wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
 507         : wxEvtHandler()
 508     {
 509         m_combo = combo;
 510         m_beenInside = false;
 511     }
 512     virtual ~wxComboPopupExtraEventHandler() { }
 513
 514     void OnMouseEvent( wxMouseEvent& event );
 515
 516     // Called from wxComboCtrlBase::OnPopupDismiss
 517     void OnPopupDismiss()
 518     {
 519         m_beenInside = false;
 520     }
 521
 522 protected:
 523     wxComboCtrlBase*     m_combo;
 524
 525     bool                    m_beenInside;
 526
 527 private:
 528     DECLARE_EVENT_TABLE()
 529 };
 530
 531
 532 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
 533     EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
 534 END_EVENT_TABLE()
 535
 536
 537 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
 538 {
 539     wxPoint pt = event.GetPosition();
 540     wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
 541     int evtType = event.GetEventType();
 542     bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
 543
 544     if ( evtType == wxEVT_MOTION ||
 545          evtType == wxEVT_LEFT_DOWN ||
 546          evtType == wxEVT_RIGHT_DOWN )
 547     {
 548         // Block motion and click events outside the popup
 549         if ( !isInside )
 550         {
 551             event.Skip(false);
 552             return;
 553         }
 554     }
 555     else if ( evtType == wxEVT_LEFT_UP )
 556     {
 557         // Don't let left-down events in if outside
 558         if ( evtType == wxEVT_LEFT_DOWN )
 559         {
 560             if ( !isInside )
 561                 return;
 562         }
 563
 564         if ( !m_beenInside )
 565         {
 566             if ( isInside )
 567             {
 568                 m_beenInside = true;
 569             }
 570             else
 571             {
 572                 //
 573                 // Some mouse events to popup that happen outside it, before cursor
 574                 // has been inside the popu, need to be ignored by it but relayed to
 575                 // the dropbutton.
 576                 //
 577                 wxWindow* btn = m_combo->GetButton();
 578                 if ( btn )
 579                     btn->GetEventHandler()->AddPendingEvent(event);
 580                 else
 581                     m_combo->GetEventHandler()->AddPendingEvent(event);
 582
 583                 return;
 584             }
 585
 586             event.Skip();
 587         }
 588     }
 589
 590     event.Skip();
 591 }
 592
 593 // ----------------------------------------------------------------------------
 594 // wxComboCtrlBase
 595 // ----------------------------------------------------------------------------
 596
 597
 598 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
 599     EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 600     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
 601     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
 602     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
 603     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
 604     EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
 605     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 606     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 607 END_EVENT_TABLE()
 608
 609
 610 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
 611
 612 void wxComboCtrlBase::Init()
 613 {
 614     m_winPopup = (wxWindow *)NULL;
 615     m_popup = (wxWindow *)NULL;
 616     m_isPopupShown = false;
 617     m_btn = (wxWindow*) NULL;
 618     m_text = (wxTextCtrl*) NULL;
 619     m_popupInterface = (wxComboPopup*) NULL;
 620
 621     m_popupExtraHandler = (wxEvtHandler*) NULL;
 622     m_textEvtHandler = (wxEvtHandler*) NULL;
 623
 624 #if INSTALL_TOPLEV_HANDLER
 625     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 626 #endif
 627
 628     m_heightPopup = -1;
 629     m_widthMinPopup = -1;
 630     m_anchorSide = 0;
 631     m_widthCustomPaint = 0;
 632     m_widthCustomBorder = 0;
 633
 634     m_btnState = 0;
 635     m_btnWidDefault = 0;
 636     m_blankButtonBg = false;
 637     m_ignoreEvtText = 0;
 638     m_btnWid = m_btnHei = -1;
 639     m_btnSide = wxRIGHT;
 640     m_btnSpacingX = 0;
 641
 642     m_extLeft = 0;
 643     m_extRight = 0;
 644     m_absIndent = -1;
 645     m_iFlags = 0;
 646     m_timeCanAcceptClick = 0;
 647 }
 648
 649 bool wxComboCtrlBase::Create(wxWindow *parent,
 650                              wxWindowID id,
 651                              const wxString& value,
 652                              const wxPoint& pos,
 653                              const wxSize& size,
 654                              long style,
 655                              const wxValidator& validator,
 656                              const wxString& name)
 657 {
 658     if ( !wxControl::Create(parent,
 659                             id,
 660                             pos,
 661                             size,
 662                             style | wxWANTS_CHARS,
 663                             validator,
 664                             name) )
 665         return false;
 666
 667     m_valueString = value;
 668
 669     // Get colours
 670     OnThemeChange();
 671     m_absIndent = GetNativeTextIndent();
 672
 673     m_iFlags |= wxCC_IFLAG_CREATED;
 674
 675     // If x and y indicate valid size, wxSizeEvent won't be
 676     // emitted automatically, so we need to add artifical one.
 677     if ( size.x > 0 && size.y > 0 )
 678     {
 679         wxSizeEvent evt(size,GetId());
 680         GetEventHandler()->AddPendingEvent(evt);
 681     }
 682
 683     return true;
 684 }
 685
 686 void wxComboCtrlBase::InstallInputHandlers()
 687 {
 688     if ( m_text )
 689     {
 690         m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
 691         m_text->PushEventHandler(m_textEvtHandler);
 692     }
 693 }
 694
 695 void
 696 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
 697 {
 698     if ( !(m_windowStyle & wxCB_READONLY) )
 699     {
 700         // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
 701         // not used by the wxPropertyGrid and therefore the tab is processed by
 702         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
 703         // navigation event is then sent to the wrong window.
 704         style |= wxTE_PROCESS_TAB;
 705
 706         if ( HasFlag(wxTE_PROCESS_ENTER) )
 707             style |= wxTE_PROCESS_ENTER;
 708
 709         // Ignore EVT_TEXT generated by the constructor (but only
 710         // if the event redirector already exists)
 711         // NB: This must be " = 1" instead of "++";
 712         if ( m_textEvtHandler )
 713             m_ignoreEvtText = 1;
 714         else
 715             m_ignoreEvtText = 0;
 716
 717         m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
 718                                 wxDefaultPosition, wxDefaultSize,
 719                                 style, validator);
 720
 721         // This is required for some platforms (GTK+ atleast)
 722         m_text->SetSizeHints(2,4);
 723     }
 724 }
 725
 726 void wxComboCtrlBase::OnThemeChange()
 727 {
 728     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 729 }
 730
 731 wxComboCtrlBase::~wxComboCtrlBase()
 732 {
 733     if ( HasCapture() )
 734         ReleaseMouse();
 735
 736 #if INSTALL_TOPLEV_HANDLER
 737     delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
 738     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 739 #endif
 740
 741     DestroyPopup();
 742
 743     if ( m_text )
 744         m_text->RemoveEventHandler(m_textEvtHandler);
 745
 746     delete m_textEvtHandler;
 747 }
 748
 749
 750 // ----------------------------------------------------------------------------
 751 // geometry stuff
 752 // ----------------------------------------------------------------------------
 753
 754 // Recalculates button and textctrl areas
 755 void wxComboCtrlBase::CalculateAreas( int btnWidth )
 756 {
 757     wxSize sz = GetClientSize();
 758     int customBorder = m_widthCustomBorder;
 759     int btnBorder; // border for button only
 760
 761     // check if button should really be outside the border: we'll do it it if
 762     // its platform default or bitmap+pushbutton background is used, but not if
 763     // there is vertical size adjustment or horizontal spacing.
 764     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
 765                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
 766          m_btnSpacingX == 0 &&
 767          m_btnHei <= 0 )
 768     {
 769         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
 770         btnBorder = 0;
 771     }
 772     else
 773     {
 774         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 775         btnBorder = customBorder;
 776     }
 777
 778     // Defaul indentation
 779     if ( m_absIndent < 0 )
 780         m_absIndent = GetNativeTextIndent();
 781
 782     int butWidth = btnWidth;
 783
 784     if ( butWidth <= 0 )
 785         butWidth = m_btnWidDefault;
 786     else
 787         m_btnWidDefault = butWidth;
 788
 789     if ( butWidth <= 0 )
 790         return;
 791
 792     int butHeight = sz.y - btnBorder*2;
 793
 794     // Adjust button width
 795     if ( m_btnWid > 0 )
 796         butWidth = m_btnWid;
 797     else
 798     {
 799         // Adjust button width to match aspect ratio
 800         // (but only if control is smaller than best size).
 801         int bestHeight = GetBestSize().y;
 802         int height = GetSize().y;
 803
 804         if ( height < bestHeight )
 805         {
 806             // Make very small buttons square, as it makes
 807             // them accommodate arrow image better and still
 808             // looks decent.
 809             if ( height > 18 )
 810                 butWidth = (height*butWidth)/bestHeight;
 811             else
 812                 butWidth = butHeight;
 813         }
 814     }
 815
 816     // Adjust button height
 817     if ( m_btnHei > 0 )
 818         butHeight = m_btnHei;
 819
 820     // Use size of normal bitmap if...
 821     //   It is larger
 822     //   OR
 823     //   button width is set to default and blank button bg is not drawn
 824     if ( m_bmpNormal.Ok() )
 825     {
 826         int bmpReqWidth = m_bmpNormal.GetWidth();
 827         int bmpReqHeight = m_bmpNormal.GetHeight();
 828
 829         // If drawing blank button background, we need to add some margin.
 830         if ( m_blankButtonBg )
 831         {
 832             bmpReqWidth += BMP_BUTTON_MARGIN*2;
 833             bmpReqHeight += BMP_BUTTON_MARGIN*2;
 834         }
 835
 836         if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
 837             butWidth = bmpReqWidth;
 838         if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
 839             butHeight = bmpReqHeight;
 840
 841         // Need to fix height?
 842         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
 843         {
 844             int newY = butHeight+(customBorder*2);
 845             SetClientSize(wxDefaultCoord,newY);
 846             sz.y = newY;
 847         }
 848     }
 849
 850     int butAreaWid = butWidth + (m_btnSpacingX*2);
 851
 852     m_btnSize.x = butWidth;
 853     m_btnSize.y = butHeight;
 854
 855     m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
 856     m_btnArea.y = btnBorder;
 857     m_btnArea.width = butAreaWid;
 858     m_btnArea.height = sz.y - (btnBorder*2);
 859
 860     m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
 861     m_tcArea.y = customBorder;
 862     m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
 863     m_tcArea.height = sz.y - (customBorder*2);
 864
 865 /*
 866     if ( m_text )
 867     {
 868         ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
 869                        wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
 870     }
 871 */
 872 }
 873
 874 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
 875 {
 876     if ( !m_text )
 877         return;
 878
 879     wxSize sz = GetClientSize();
 880     int customBorder = m_widthCustomBorder;
 881
 882     if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
 883     {
 884         // Centre textctrl
 885         int tcSizeY = m_text->GetBestSize().y;
 886         int diff = sz.y - tcSizeY;
 887         int y = textCtrlYAdjust + (diff/2);
 888
 889         if ( y < customBorder )
 890             y = customBorder;
 891
 892         m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
 893                          y,
 894                          m_tcArea.width - COMBO_MARGIN -
 895                          (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
 896                          -1 );
 897
 898         // Make sure textctrl doesn't exceed the bottom custom border
 899         wxSize tsz = m_text->GetSize();
 900         diff = (y + tsz.y) - (sz.y - customBorder);
 901         if ( diff >= 0 )
 902         {
 903             tsz.y = tsz.y - diff - 1;
 904             m_text->SetSize(tsz);
 905         }
 906     }
 907     else
 908     {
 909         m_text->SetSize( m_tcArea.x,
 910                          0,
 911                          sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
 912                          sz.y );
 913     }
 914 }
 915
 916 wxSize wxComboCtrlBase::DoGetBestSize() const
 917 {
 918     wxSize sizeText(150,0);
 919
 920     if ( m_text )
 921         sizeText = m_text->GetBestSize();
 922
 923     // TODO: Better method to calculate close-to-native control height.
 924
 925     int fhei;
 926     if ( m_font.Ok() )
 927         fhei = (m_font.GetPointSize()*2) + 5;
 928     else if ( wxNORMAL_FONT->Ok() )
 929         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
 930     else
 931         fhei = sizeText.y + 4;
 932
 933     // Need to force height to accomodate bitmap?
 934     int btnSizeY = m_btnSize.y;
 935     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
 936         fhei = btnSizeY;
 937
 938     // Control height doesn't depend on border
 939 /*
 940     // Add border
 941     int border = m_windowStyle & wxBORDER_MASK;
 942     if ( border == wxSIMPLE_BORDER )
 943         fhei += 2;
 944     else if ( border == wxNO_BORDER )
 945         fhei += (m_widthCustomBorder*2);
 946     else
 947         // Sunken etc.
 948         fhei += 4;
 949 */
 950
 951     // Final adjustments
 952 #ifdef __WXGTK__
 953     fhei += 1;
 954 #endif
 955
 956     wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
 957                fhei);
 958
 959     CacheBestSize(ret);
 960     return ret;
 961 }
 962
 963 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
 964 {
 965     if ( !IsCreated() )
 966         return;
 967
 968     // defined by actual wxComboCtrls
 969     OnResize();
 970
 971     event.Skip();
 972 }
 973
 974 // ----------------------------------------------------------------------------
 975 // standard operations
 976 // ----------------------------------------------------------------------------
 977
 978 bool wxComboCtrlBase::Enable(bool enable)
 979 {
 980     if ( !wxControl::Enable(enable) )
 981         return false;
 982
 983     if ( m_btn )
 984         m_btn->Enable(enable);
 985     if ( m_text )
 986         m_text->Enable(enable);
 987
 988     return true;
 989 }
 990
 991 bool wxComboCtrlBase::Show(bool show)
 992 {
 993     if ( !wxControl::Show(show) )
 994         return false;
 995
 996     if (m_btn)
 997         m_btn->Show(show);
 998
 999     if (m_text)
1000         m_text->Show(show);
1001
1002     return true;
1003 }
1004
1005 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1006 {
1007     if ( !wxControl::SetFont(font) )
1008         return false;
1009
1010     if (m_text)
1011         m_text->SetFont(font);
1012
1013     return true;
1014 }
1015
1016 #if wxUSE_TOOLTIPS
1017 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1018 {
1019     wxControl::DoSetToolTip(tooltip);
1020
1021     // Set tool tip for button and text box
1022     if ( tooltip )
1023     {
1024         const wxString &tip = tooltip->GetTip();
1025         if ( m_text ) m_text->SetToolTip(tip);
1026         if ( m_btn ) m_btn->SetToolTip(tip);
1027     }
1028     else
1029     {
1030         if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1031         if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1032     }
1033 }
1034 #endif // wxUSE_TOOLTIPS
1035
1036 // ----------------------------------------------------------------------------
1037 // painting
1038 // ----------------------------------------------------------------------------
1039
1040 #if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
1041 // prepare combo box background on area in a way typical on platform
1042 void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
1043 {
1044     wxSize sz = GetClientSize();
1045     bool isEnabled;
1046     bool isFocused; // also selected
1047
1048     // For smaller size control (and for disabled background) use less spacing
1049     int focusSpacingX;
1050     int focusSpacingY;
1051
1052     if ( !(flags & wxCONTROL_ISSUBMENU) )
1053     {
1054         // Drawing control
1055         isEnabled = IsEnabled();
1056         isFocused = ShouldDrawFocus();
1057
1058         // Windows-style: for smaller size control (and for disabled background) use less spacing
1059         focusSpacingX = isEnabled ? 2 : 1;
1060         focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1061     }
1062     else
1063     {
1064         // Drawing a list item
1065         isEnabled = true; // they are never disabled
1066         isFocused = flags & wxCONTROL_SELECTED ? true : false;
1067
1068         focusSpacingX = 0;
1069         focusSpacingY = 0;
1070     }
1071
1072     // Set the background sub-rectangle for selection, disabled etc
1073     wxRect selRect(rect);
1074     selRect.y += focusSpacingY;
1075     selRect.height -= (focusSpacingY*2);
1076
1077     int wcp = 0;
1078
1079     if ( !(flags & wxCONTROL_ISSUBMENU) )
1080         wcp += m_widthCustomPaint;
1081
1082     selRect.x += wcp + focusSpacingX;
1083     selRect.width -= wcp + (focusSpacingX*2);
1084
1085     wxColour bgCol;
1086
1087     if ( isEnabled )
1088     {
1089         // If popup is hidden and this control is focused,
1090         // then draw the focus-indicator (selbgcolor background etc.).
1091         if ( isFocused )
1092         {
1093             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1094             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1095         }
1096         else
1097         {
1098             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1099             bgCol = GetBackgroundColour();
1100         }
1101     }
1102     else
1103     {
1104         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1105         bgCol = GetBackgroundColour();
1106     }
1107
1108     dc.SetBrush( bgCol );
1109     dc.SetPen( bgCol );
1110     dc.DrawRectangle( selRect );
1111
1112     // Don't clip exactly to the selection rectangle so we can draw
1113     // to the non-selected area in front of it.
1114     wxRect clipRect(rect.x,rect.y,
1115                     (selRect.x+selRect.width)-rect.x,rect.height);
1116     dc.SetClippingRegion(clipRect);
1117 }
1118 #else
1119 // Save the library size a bit for platforms that re-implement this.
1120 void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
1121 {
1122 }
1123 #endif
1124
1125 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1126 {
1127     int drawState = m_btnState;
1128
1129 #ifdef __WXGTK__
1130     if ( m_isPopupShown )
1131         drawState |= wxCONTROL_PRESSED;
1132 #endif
1133
1134     wxRect drawRect(rect.x+m_btnSpacingX,
1135                     rect.y+((rect.height-m_btnSize.y)/2),
1136                     m_btnSize.x,
1137                     m_btnSize.y);
1138
1139     // Make sure area is not larger than the control
1140     if ( drawRect.y < rect.y )
1141         drawRect.y = rect.y;
1142     if ( drawRect.height > rect.height )
1143         drawRect.height = rect.height;
1144
1145     bool enabled = IsEnabled();
1146
1147     if ( !enabled )
1148         drawState |= wxCONTROL_DISABLED;
1149
1150     if ( !m_bmpNormal.Ok() )
1151     {
1152         // Need to clear button background even if m_btn is present
1153         if ( paintBg )
1154         {
1155             wxColour bgCol;
1156
1157             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1158                 bgCol = GetParent()->GetBackgroundColour();
1159             else
1160                 bgCol = GetBackgroundColour();
1161
1162             dc.SetBrush(bgCol);
1163             dc.SetPen(bgCol);
1164             dc.DrawRectangle(rect);
1165         }
1166
1167         // Draw standard button
1168         wxRendererNative::Get().DrawComboBoxDropButton(this,
1169                                                        dc,
1170                                                        drawRect,
1171                                                        drawState);
1172     }
1173     else
1174     {
1175         // Draw bitmap
1176
1177         wxBitmap* pBmp;
1178
1179         if ( !enabled )
1180             pBmp = &m_bmpDisabled;
1181         else if ( m_btnState & wxCONTROL_PRESSED )
1182             pBmp = &m_bmpPressed;
1183         else if ( m_btnState & wxCONTROL_CURRENT )
1184             pBmp = &m_bmpHover;
1185         else
1186             pBmp = &m_bmpNormal;
1187
1188         if ( m_blankButtonBg )
1189         {
1190             // If using blank button background, we need to clear its background
1191             // with button face colour instead of colour for rest of the control.
1192             if ( paintBg )
1193             {
1194                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1195                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1196                 dc.SetPen(bgCol);
1197                 dc.SetBrush(bgCol);
1198                 dc.DrawRectangle(rect);
1199             }
1200
1201             wxRendererNative::Get().DrawPushButton(this,
1202                                                    dc,
1203                                                    drawRect,
1204                                                    drawState);
1205
1206         }
1207         else
1208
1209         {
1210             // Need to clear button background even if m_btn is present
1211             // (assume non-button background was cleared just before this call so brushes are good)
1212             if ( paintBg )
1213                 dc.DrawRectangle(rect);
1214         }
1215
1216         // Draw bitmap centered in drawRect
1217         dc.DrawBitmap(*pBmp,
1218                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1219                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1220                       true);
1221     }
1222 }
1223
1224 void wxComboCtrlBase::RecalcAndRefresh()
1225 {
1226     if ( IsCreated() )
1227     {
1228         wxSizeEvent evt(GetSize(),GetId());
1229         GetEventHandler()->ProcessEvent(evt);
1230         Refresh();
1231     }
1232 }
1233
1234 // ----------------------------------------------------------------------------
1235 // miscellaneous event handlers
1236 // ----------------------------------------------------------------------------
1237
1238 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1239 {
1240     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1241     {
1242         if ( m_ignoreEvtText > 0 )
1243         {
1244             m_ignoreEvtText--;
1245             return;
1246         }
1247     }
1248
1249     // Change event id, object and string before relaying it forward
1250     event.SetId(GetId());
1251     wxString s = event.GetString();
1252     event.SetEventObject(this);
1253     event.SetString(s);
1254     event.Skip();
1255 }
1256
1257 // call if cursor is on button area or mouse is captured for the button
1258 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1259                                                  int flags )
1260 {
1261     int type = event.GetEventType();
1262
1263     if ( type == wxEVT_MOTION )
1264     {
1265         if ( flags & wxCC_MF_ON_BUTTON )
1266         {
1267             if ( !(m_btnState & wxCONTROL_CURRENT) )
1268             {
1269                 // Mouse hover begins
1270                 m_btnState |= wxCONTROL_CURRENT;
1271                 if ( HasCapture() ) // Retain pressed state.
1272                     m_btnState |= wxCONTROL_PRESSED;
1273                 Refresh();
1274             }
1275         }
1276         else if ( (m_btnState & wxCONTROL_CURRENT) )
1277         {
1278             // Mouse hover ends
1279             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1280             Refresh();
1281         }
1282     }
1283     else if ( type == wxEVT_LEFT_DOWN )
1284     {
1285         if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1286         {
1287             m_btnState |= wxCONTROL_PRESSED;
1288             Refresh();
1289
1290             if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1291                 OnButtonClick();
1292             else
1293                 // If showing popup now, do not capture mouse or there will be interference
1294                 CaptureMouse();
1295         }
1296     }
1297     else if ( type == wxEVT_LEFT_UP )
1298     {
1299
1300         // Only accept event if mouse was left-press was previously accepted
1301         if ( HasCapture() )
1302             ReleaseMouse();
1303
1304         if ( m_btnState & wxCONTROL_PRESSED )
1305         {
1306             // If mouse was inside, fire the click event.
1307             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1308             {
1309                 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1310                     OnButtonClick();
1311             }
1312
1313             m_btnState &= ~(wxCONTROL_PRESSED);
1314             Refresh();
1315         }
1316     }
1317     else if ( type == wxEVT_LEAVE_WINDOW )
1318     {
1319         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1320         {
1321             m_btnState &= ~(wxCONTROL_CURRENT);
1322
1323             // Mouse hover ends
1324             if ( !m_isPopupShown )
1325             {
1326                 m_btnState &= ~(wxCONTROL_PRESSED);
1327                 Refresh();
1328             }
1329         }
1330     }
1331     else
1332         return false;
1333
1334     return true;
1335 }
1336
1337 // returns true if event was consumed or filtered
1338 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1339                                             int WXUNUSED(flags) )
1340 {
1341     wxLongLong t = ::wxGetLocalTimeMillis();
1342     int evtType = event.GetEventType();
1343
1344 #if !USE_TRANSIENT_POPUP
1345     if ( m_isPopupShown &&
1346          ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
1347     {
1348         HidePopup();
1349         return true;
1350     }
1351 #endif
1352
1353     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1354     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1355     {
1356         event.SetEventType(0);
1357         return true;
1358     }
1359
1360     return false;
1361 }
1362
1363 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1364 {
1365     int evtType = event.GetEventType();
1366
1367     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1368          (m_windowStyle & wxCB_READONLY) )
1369     {
1370         if ( m_isPopupShown )
1371         {
1372     #if !wxUSE_POPUPWIN
1373         // Normally do nothing - evt handler should close it for us
1374     #elif !USE_TRANSIENT_POPUP
1375             // Click here always hides the popup.
1376             HidePopup();
1377     #endif
1378         }
1379         else
1380         {
1381             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1382             {
1383                 // In read-only mode, clicking the text is the
1384                 // same as clicking the button.
1385                 OnButtonClick();
1386             }
1387             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1388             {
1389                 //if ( m_popupInterface->CycleValue() )
1390                 //    Refresh();
1391                 if ( m_popupInterface )
1392                     m_popupInterface->OnComboDoubleClick();
1393             }
1394         }
1395     }
1396     else
1397     if ( m_isPopupShown )
1398     {
1399         // relay (some) mouse events to the popup
1400         if ( evtType == wxEVT_MOUSEWHEEL )
1401             m_popup->AddPendingEvent(event);
1402     }
1403     else if ( evtType )
1404         event.Skip();
1405 }
1406
1407 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1408 {
1409     if ( IsPopupShown() )
1410     {
1411         // pass it to the popped up control
1412         GetPopupControl()->GetControl()->AddPendingEvent(event);
1413     }
1414     else // no popup
1415     {
1416         int keycode = event.GetKeyCode();
1417
1418         if ( keycode == WXK_TAB )
1419         {
1420             wxNavigationKeyEvent evt;
1421             evt.SetFlags(wxNavigationKeyEvent::FromTab|
1422                          (!event.ShiftDown() ? wxNavigationKeyEvent::IsForward
1423                                              : wxNavigationKeyEvent::IsBackward));
1424             evt.SetEventObject(this);
1425             GetParent()->GetEventHandler()->AddPendingEvent(evt);
1426             return;
1427         }
1428
1429         if ( IsKeyPopupToggle(event) )
1430         {
1431             OnButtonClick();
1432             return;
1433         }
1434
1435         int comboStyle = GetWindowStyle();
1436         wxComboPopup* popupInterface = GetPopupControl();
1437
1438         if ( !popupInterface )
1439         {
1440             event.Skip();
1441             return;
1442         }
1443
1444         if ( (comboStyle & wxCB_READONLY) ||
1445              (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1446         {
1447             popupInterface->OnComboKeyEvent(event);
1448         }
1449         else
1450             event.Skip();
1451     }
1452 }
1453
1454 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1455 {
1456     if ( event.GetEventType() == wxEVT_SET_FOCUS )
1457     {
1458         if ( m_text && m_text != ::wxWindow::FindFocus() )
1459             m_text->SetFocus();
1460     }
1461
1462     Refresh();
1463 }
1464
1465 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1466 {
1467     OnThemeChange();
1468     // indentation may also have changed
1469     if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1470         m_absIndent = GetNativeTextIndent();
1471     RecalcAndRefresh();
1472 }
1473
1474 // ----------------------------------------------------------------------------
1475 // popup handling
1476 // ----------------------------------------------------------------------------
1477
1478 // Create popup window and the child control
1479 void wxComboCtrlBase::CreatePopup()
1480 {
1481     wxComboPopup* popupInterface = m_popupInterface;
1482     wxWindow* popup;
1483
1484     if ( !m_winPopup )
1485         m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1486
1487     popupInterface->Create(m_winPopup);
1488     m_popup = popup = popupInterface->GetControl();
1489
1490     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1491     popup->PushEventHandler( m_popupExtraHandler );
1492
1493     // This may be helpful on some platforms
1494     //   (eg. it bypasses a wxGTK popupwindow bug where
1495     //    window is not initially hidden when it should be)
1496     m_winPopup->Hide();
1497
1498     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1499 }
1500
1501 // Destroy popup window and the child control
1502 void wxComboCtrlBase::DestroyPopup()
1503 {
1504     HidePopup();
1505
1506     if ( m_popup )
1507         m_popup->RemoveEventHandler(m_popupExtraHandler);
1508
1509     delete m_popupExtraHandler;
1510
1511     delete m_popupInterface;
1512
1513     if ( m_winPopup )
1514         m_winPopup->Destroy();
1515
1516     m_popupExtraHandler = (wxEvtHandler*) NULL;
1517     m_popupInterface = (wxComboPopup*) NULL;
1518     m_winPopup = (wxWindow*) NULL;
1519     m_popup = (wxWindow*) NULL;
1520 }
1521
1522 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1523 {
1524     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1525
1526     DestroyPopup();
1527
1528     iface->InitBase(this);
1529     iface->Init();
1530
1531     m_popupInterface = iface;
1532
1533     if ( !iface->LazyCreate() )
1534     {
1535         CreatePopup();
1536     }
1537     else
1538     {
1539         m_popup = (wxWindow*) NULL;
1540     }
1541
1542     // This must be done after creation
1543     if ( m_valueString.length() )
1544     {
1545         iface->SetStringValue(m_valueString);
1546         //Refresh();
1547     }
1548 }
1549
1550 // Ensures there is atleast the default popup
1551 void wxComboCtrlBase::EnsurePopupControl()
1552 {
1553     if ( !m_popupInterface )
1554         SetPopupControl(NULL);
1555 }
1556
1557 void wxComboCtrlBase::OnButtonClick()
1558 {
1559     // Derived classes can override this method for totally custom
1560     // popup action
1561     ShowPopup();
1562 }
1563
1564 void wxComboCtrlBase::ShowPopup()
1565 {
1566     EnsurePopupControl();
1567     wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1568
1569     SetFocus();
1570
1571     // Space above and below
1572     int screenHeight;
1573     wxPoint scrPos;
1574     int spaceAbove;
1575     int spaceBelow;
1576     int maxHeightPopup;
1577     wxSize ctrlSz = GetSize();
1578
1579     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1580     scrPos = GetParent()->ClientToScreen(GetPosition());
1581
1582     spaceAbove = scrPos.y;
1583     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1584
1585     maxHeightPopup = spaceBelow;
1586     if ( spaceAbove > spaceBelow )
1587         maxHeightPopup = spaceAbove;
1588
1589     // Width
1590     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1591
1592     if ( widthPopup < m_widthMinPopup )
1593         widthPopup = m_widthMinPopup;
1594
1595     wxWindow* winPopup = m_winPopup;
1596     wxWindow* popup;
1597
1598     // Need to disable tab traversal of parent
1599     //
1600     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1601     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1602     //     that if transient popup is open, then tab traversal is to be ignored.
1603     //     However, I think this code would still be needed for cases where
1604     //     transient popup doesn't work yet (wxWinCE?).
1605     wxWindow* parent = GetParent();
1606     int parentFlags = parent->GetWindowStyle();
1607     if ( parentFlags & wxTAB_TRAVERSAL )
1608     {
1609         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1610         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1611     }
1612
1613     if ( !winPopup )
1614     {
1615         CreatePopup();
1616         winPopup = m_winPopup;
1617         popup = m_popup;
1618     }
1619     else
1620     {
1621         popup = m_popup;
1622     }
1623
1624     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1625
1626     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1627                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1628                                                             maxHeightPopup);
1629
1630     popup->SetSize(adjustedSize);
1631     popup->Move(0,0);
1632     m_popupInterface->OnPopup();
1633
1634     //
1635     // Reposition and resize popup window
1636     //
1637
1638     wxSize szp = popup->GetSize();
1639
1640     int popupX;
1641     int popupY = scrPos.y + ctrlSz.y;
1642
1643     // Default anchor is wxLEFT
1644     int anchorSide = m_anchorSide;
1645     if ( !anchorSide )
1646         anchorSide = wxLEFT;
1647
1648     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1649     int leftX = scrPos.x - m_extLeft;
1650     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1651
1652     // If there is not enough horizontal space, anchor on the other side.
1653     // If there is no space even then, place the popup at x 0.
1654     if ( anchorSide == wxRIGHT )
1655     {
1656         if ( rightX < 0 )
1657         {
1658             if ( (leftX+szp.x) < screenWidth )
1659                 anchorSide = wxLEFT;
1660             else
1661                 anchorSide = 0;
1662         }
1663     }
1664     else
1665     {
1666         if ( (leftX+szp.x) >= screenWidth )
1667         {
1668             if ( rightX >= 0 )
1669                 anchorSide = wxRIGHT;
1670             else
1671                 anchorSide = 0;
1672         }
1673     }
1674
1675     // Select x coordinate according to the anchor side
1676     if ( anchorSide == wxRIGHT )
1677         popupX = rightX;
1678     else if ( anchorSide == wxLEFT )
1679         popupX = leftX;
1680     else
1681         popupX = 0;
1682
1683     if ( spaceBelow < szp.y )
1684     {
1685         popupY = scrPos.y - szp.y;
1686     }
1687
1688     // Move to position
1689     //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1690     //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1691
1692     // Some platforms (GTK) may need these two to be separate
1693     winPopup->SetSize( szp.x, szp.y );
1694     winPopup->Move( popupX, popupY );
1695
1696     //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1697
1698     m_popup = popup;
1699
1700     // Set string selection (must be this way instead of SetStringSelection)
1701     if ( m_text )
1702     {
1703         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1704             m_text->SelectAll();
1705
1706         m_popupInterface->SetStringValue( m_text->GetValue() );
1707     }
1708     else
1709     {
1710         // This is neede since focus/selection indication may change when popup is shown
1711         Refresh();
1712     }
1713
1714     // This must be after SetStringValue
1715     m_isPopupShown = true;
1716
1717     // Show it
1718 #if USE_TRANSIENT_POPUP
1719     ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1720 #else
1721     winPopup->Show();
1722 #endif
1723
1724 #if INSTALL_TOPLEV_HANDLER
1725     // Put top level window event handler into place
1726     if ( !m_toplevEvtHandler )
1727         m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1728
1729     wxWindow* toplev = ::wxGetTopLevelParent( this );
1730     wxASSERT( toplev );
1731     ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1732     toplev->PushEventHandler( m_toplevEvtHandler );
1733 #endif
1734
1735 }
1736
1737 void wxComboCtrlBase::OnPopupDismiss()
1738 {
1739     // Just in case, avoid double dismiss
1740     if ( !m_isPopupShown )
1741         return;
1742
1743     // *Must* set this before focus etc.
1744     m_isPopupShown = false;
1745
1746     // Inform popup control itself
1747     m_popupInterface->OnDismiss();
1748
1749     if ( m_popupExtraHandler )
1750         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1751
1752 #if INSTALL_TOPLEV_HANDLER
1753     // Remove top level window event handler
1754     if ( m_toplevEvtHandler )
1755     {
1756         wxWindow* toplev = ::wxGetTopLevelParent( this );
1757         if ( toplev )
1758             toplev->RemoveEventHandler( m_toplevEvtHandler );
1759     }
1760 #endif
1761
1762     m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1763
1764     // If cursor not on dropdown button, then clear its state
1765     // (technically not required by all ports, but do it for all just in case)
1766     if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
1767         m_btnState = 0;
1768
1769     // Return parent's tab traversal flag.
1770     // See ShowPopup for notes.
1771     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1772     {
1773         wxWindow* parent = GetParent();
1774         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1775         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1776     }
1777
1778     // refresh control (necessary even if m_text)
1779     Refresh();
1780
1781 #if !wxUSE_POPUPWIN
1782     SetFocus();
1783 #endif
1784
1785 }
1786
1787 void wxComboCtrlBase::HidePopup()
1788 {
1789     // Should be able to call this without popup interface
1790     //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1791     if ( !m_isPopupShown )
1792         return;
1793
1794     // transfer value and show it in textctrl, if any
1795     SetValue( m_popupInterface->GetStringValue() );
1796
1797 #if USE_TRANSIENT_POPUP
1798     ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1799 #else
1800     m_winPopup->Hide();
1801 #endif
1802
1803     OnPopupDismiss();
1804 }
1805
1806 // ----------------------------------------------------------------------------
1807 // customization methods
1808 // ----------------------------------------------------------------------------
1809
1810 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1811                                          int side, int spacingX )
1812 {
1813     m_btnWid = width;
1814     m_btnHei = height;
1815     m_btnSide = side;
1816     m_btnSpacingX = spacingX;
1817
1818     RecalcAndRefresh();
1819 }
1820
1821 wxSize wxComboCtrlBase::GetButtonSize()
1822 {
1823     if ( m_btnSize.x > 0 )
1824         return m_btnSize;
1825
1826     wxSize retSize(m_btnWid,m_btnHei);
1827
1828     // Need to call CalculateAreas now if button size is
1829     // is not explicitly specified.
1830     if ( retSize.x <= 0 || retSize.y <= 0)
1831     {
1832         OnResize();
1833
1834         retSize = m_btnSize;
1835     }
1836
1837     return retSize;
1838 }
1839
1840 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1841                                            bool blankButtonBg,
1842                                            const wxBitmap& bmpPressed,
1843                                            const wxBitmap& bmpHover,
1844                                            const wxBitmap& bmpDisabled )
1845 {
1846     m_bmpNormal = bmpNormal;
1847     m_blankButtonBg = blankButtonBg;
1848
1849     if ( bmpPressed.Ok() )
1850         m_bmpPressed = bmpPressed;
1851     else
1852         m_bmpPressed = bmpNormal;
1853
1854     if ( bmpHover.Ok() )
1855         m_bmpHover = bmpHover;
1856     else
1857         m_bmpHover = bmpNormal;
1858
1859     if ( bmpDisabled.Ok() )
1860         m_bmpDisabled = bmpDisabled;
1861     else
1862         m_bmpDisabled = bmpNormal;
1863
1864     RecalcAndRefresh();
1865 }
1866
1867 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1868 {
1869     if ( m_text )
1870     {
1871         // move textctrl accordingly
1872         wxRect r = m_text->GetRect();
1873         int inc = width - m_widthCustomPaint;
1874         r.x += inc;
1875         r.width -= inc;
1876         m_text->SetSize( r );
1877     }
1878
1879     m_widthCustomPaint = width;
1880
1881     RecalcAndRefresh();
1882 }
1883
1884 void wxComboCtrlBase::SetTextIndent( int indent )
1885 {
1886     if ( indent < 0 )
1887     {
1888         m_absIndent = GetNativeTextIndent();
1889         m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1890     }
1891     else
1892     {
1893         m_absIndent = indent;
1894         m_iFlags |= wxCC_IFLAG_INDENT_SET;
1895     }
1896
1897     RecalcAndRefresh();
1898 }
1899
1900 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1901 {
1902     return DEFAULT_TEXT_INDENT;
1903 }
1904
1905 // ----------------------------------------------------------------------------
1906 // methods forwarded to wxTextCtrl
1907 // ----------------------------------------------------------------------------
1908
1909 wxString wxComboCtrlBase::GetValue() const
1910 {
1911     if ( m_text )
1912         return m_text->GetValue();
1913     return m_valueString;
1914 }
1915
1916 void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
1917 {
1918     if ( m_text )
1919     {
1920         if ( !withEvent )
1921             m_ignoreEvtText++;
1922
1923         m_text->SetValue(value);
1924         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1925             m_text->SelectAll();
1926     }
1927
1928     m_valueString = value;
1929
1930     Refresh();
1931
1932     // Since wxComboPopup may want to paint the combo as well, we need
1933     // to set the string value here (as well as sometimes in ShowPopup).
1934     if ( m_valueString != value && m_popupInterface )
1935     {
1936         m_popupInterface->SetStringValue(value);
1937     }
1938 }
1939
1940 void wxComboCtrlBase::SetValue(const wxString& value)
1941 {
1942     SetValueWithEvent(value, false);
1943 }
1944
1945 // In this SetValue variant wxComboPopup::SetStringValue is not called
1946 void wxComboCtrlBase::SetText(const wxString& value)
1947 {
1948     // Unlike in SetValue(), this must be called here or
1949     // the behaviour will no be consistent in readonlys.
1950     EnsurePopupControl();
1951
1952     m_valueString = value;
1953
1954     if ( m_text )
1955     {
1956         m_ignoreEvtText++;
1957         m_text->SetValue( value );
1958     }
1959
1960     Refresh();
1961 }
1962
1963 void wxComboCtrlBase::Copy()
1964 {
1965     if ( m_text )
1966         m_text->Copy();
1967 }
1968
1969 void wxComboCtrlBase::Cut()
1970 {
1971     if ( m_text )
1972         m_text->Cut();
1973 }
1974
1975 void wxComboCtrlBase::Paste()
1976 {
1977     if ( m_text )
1978         m_text->Paste();
1979 }
1980
1981 void wxComboCtrlBase::SetInsertionPoint(long pos)
1982 {
1983     if ( m_text )
1984         m_text->SetInsertionPoint(pos);
1985 }
1986
1987 void wxComboCtrlBase::SetInsertionPointEnd()
1988 {
1989     if ( m_text )
1990         m_text->SetInsertionPointEnd();
1991 }
1992
1993 long wxComboCtrlBase::GetInsertionPoint() const
1994 {
1995     if ( m_text )
1996         return m_text->GetInsertionPoint();
1997
1998     return 0;
1999 }
2000
2001 long wxComboCtrlBase::GetLastPosition() const
2002 {
2003     if ( m_text )
2004         return m_text->GetLastPosition();
2005
2006     return 0;
2007 }
2008
2009 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2010 {
2011     if ( m_text )
2012         m_text->Replace(from, to, value);
2013 }
2014
2015 void wxComboCtrlBase::Remove(long from, long to)
2016 {
2017     if ( m_text )
2018         m_text->Remove(from, to);
2019 }
2020
2021 void wxComboCtrlBase::SetSelection(long from, long to)
2022 {
2023     if ( m_text )
2024         m_text->SetSelection(from, to);
2025 }
2026
2027 void wxComboCtrlBase::Undo()
2028 {
2029     if ( m_text )
2030         m_text->Undo();
2031 }
2032
2033 #endif // wxUSE_COMBOCTRL