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/dcbuffer.h"
  39 #include "wx/tooltip.h"
  40
  41 #include "wx/combo.h"
  42
  43
  44
  45 // constants
  46 // ----------------------------------------------------------------------------
  47
  48 // Milliseconds to wait for two mouse-ups after focus inorder
  49 // to trigger a double-click.
  50 #define DOUBLE_CLICK_CONVERSION_TRESHOLD        500
  51
  52 #define DEFAULT_DROPBUTTON_WIDTH                19
  53
  54 #define BMP_BUTTON_MARGIN                       4
  55
  56 #define DEFAULT_POPUP_HEIGHT                    200
  57
  58 #define DEFAULT_TEXT_INDENT                     3
  59
  60 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  61
  62
  63 #if defined(__WXMSW__)
  64
  65 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  66
  67 //#undef wxUSE_POPUPWIN
  68 //#define wxUSE_POPUPWIN 0
  69
  70 #elif defined(__WXGTK__)
  71
  72 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  73
  74 #elif defined(__WXMAC__)
  75
  76 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  77
  78 #else
  79
  80 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  81
  82 #endif
  83
  84
  85 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
  86 // what the wxUSE_POPUPWIN says.
  87 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
  88 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
  89 #undef wxUSE_POPUPWIN
  90 #define wxUSE_POPUPWIN 0
  91 #endif
  92
  93
  94 #if wxUSE_POPUPWIN
  95     #include "wx/popupwin.h"
  96 #else
  97     #undef USE_TRANSIENT_POPUP
  98     #define USE_TRANSIENT_POPUP 0
  99 #endif
 100
 101
 102 #if USE_TRANSIENT_POPUP
 103
 104     #define wxComboPopupWindowBase wxPopupTransientWindow
 105     #define INSTALL_TOPLEV_HANDLER       0
 106
 107 #elif wxUSE_POPUPWIN
 108
 109     #define wxComboPopupWindowBase wxPopupWindow
 110     #define INSTALL_TOPLEV_HANDLER       1
 111
 112 #else
 113
 114     #define wxComboPopupWindowBase wxDialog
 115     #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
 116
 117 #endif
 118
 119
 120
 121 //
 122 // ** TODO **
 123 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 124 //
 125
 126
 127 // ----------------------------------------------------------------------------
 128 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 129 // in its top level parent.
 130 // ----------------------------------------------------------------------------
 131
 132 #if INSTALL_TOPLEV_HANDLER
 133
 134 //
 135 // This will no longer be necessary after wxTransientPopupWindow
 136 // works well on all platforms.
 137 //
 138
 139 class wxComboFrameEventHandler : public wxEvtHandler
 140 {
 141 public:
 142     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 143     ~wxComboFrameEventHandler();
 144
 145     void OnPopup();
 146
 147     void OnIdle( wxIdleEvent& event );
 148     void OnMouseEvent( wxMouseEvent& event );
 149     void OnActivate( wxActivateEvent& event );
 150     void OnResize( wxSizeEvent& event );
 151     void OnMove( wxMoveEvent& event );
 152     void OnMenuEvent( wxMenuEvent& event );
 153     void OnClose( wxCloseEvent& event );
 154
 155 protected:
 156     wxWindow*                       m_focusStart;
 157     wxComboCtrlBase*     m_combo;
 158
 159 private:
 160     DECLARE_EVENT_TABLE()
 161 };
 162
 163 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 164     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 165     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 166     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 167     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 168     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 169     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 170     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 171     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 172     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 173 END_EVENT_TABLE()
 174
 175 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 176     : wxEvtHandler()
 177 {
 178     m_combo = combo;
 179 }
 180
 181 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 182 {
 183 }
 184
 185 void wxComboFrameEventHandler::OnPopup()
 186 {
 187     m_focusStart = ::wxWindow::FindFocus();
 188 }
 189
 190 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 191 {
 192     wxWindow* winFocused = ::wxWindow::FindFocus();
 193
 194     wxWindow* popup = m_combo->GetPopupControl();
 195     wxWindow* winpopup = m_combo->GetPopupWindow();
 196
 197     if (
 198          winFocused != m_focusStart &&
 199          winFocused != popup &&
 200          winFocused->GetParent() != popup &&
 201          winFocused != winpopup &&
 202          winFocused->GetParent() != winpopup &&
 203          winFocused != m_combo &&
 204          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 205         )
 206     {
 207         m_combo->HidePopup();
 208     }
 209
 210     event.Skip();
 211 }
 212
 213 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 214 {
 215     m_combo->HidePopup();
 216     event.Skip();
 217 }
 218
 219 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 220 {
 221     m_combo->HidePopup();
 222     event.Skip();
 223 }
 224
 225 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 226 {
 227     m_combo->HidePopup();
 228     event.Skip();
 229 }
 230
 231 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 232 {
 233     m_combo->HidePopup();
 234     event.Skip();
 235 }
 236
 237 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 238 {
 239     m_combo->HidePopup();
 240     event.Skip();
 241 }
 242
 243 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 244 {
 245     m_combo->HidePopup();
 246     event.Skip();
 247 }
 248
 249 #endif // INSTALL_TOPLEV_HANDLER
 250
 251 // ----------------------------------------------------------------------------
 252 // wxComboPopupWindow is wxPopupWindow customized for
 253 // wxComboCtrl.
 254 // ----------------------------------------------------------------------------
 255
 256 class wxComboPopupWindow : public wxComboPopupWindowBase
 257 {
 258 public:
 259
 260     wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
 261
 262 #if USE_TRANSIENT_POPUP
 263     virtual bool ProcessLeftDown(wxMouseEvent& event);
 264 #endif
 265
 266     void OnKeyEvent(wxKeyEvent& event);
 267
 268     void OnMouseEvent( wxMouseEvent& event );
 269 #if !wxUSE_POPUPWIN
 270     void OnActivate( wxActivateEvent& event );
 271 #endif
 272
 273 protected:
 274
 275 #if USE_TRANSIENT_POPUP
 276     virtual void OnDismiss();
 277 #endif
 278
 279 private:
 280     DECLARE_EVENT_TABLE()
 281 };
 282
 283
 284 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
 285     EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
 286 #if !wxUSE_POPUPWIN
 287     EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
 288 #endif
 289     EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
 290     EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
 291 END_EVENT_TABLE()
 292
 293
 294 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
 295                                         int style )
 296 #if wxUSE_POPUPWIN
 297                                        : wxComboPopupWindowBase(parent,style)
 298 #else
 299                                        : wxComboPopupWindowBase(parent,
 300                                                                 wxID_ANY,
 301                                                                 wxEmptyString,
 302                                                                 wxPoint(-21,-21),
 303                                                                 wxSize(20,20),
 304                                                                 style)
 305 #endif
 306 {
 307 }
 308
 309 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
 310 {
 311     // Relay keyboard event to the main child controls
 312     // (just skipping may just cause the popup to close)
 313     wxWindowList children = GetChildren();
 314     wxWindowList::iterator node = children.begin();
 315     wxWindow* child = (wxWindow*)*node;
 316     child->AddPendingEvent(event);
 317 }
 318
 319 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
 320 {
 321     event.Skip();
 322 }
 323
 324 #if !wxUSE_POPUPWIN
 325 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
 326 {
 327     if ( !event.GetActive() )
 328     {
 329         // Tell combo control that we are dismissed.
 330         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 331         wxASSERT( combo );
 332         wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
 333
 334         combo->HidePopup();
 335
 336         event.Skip();
 337     }
 338 }
 339 #endif
 340
 341 #if USE_TRANSIENT_POPUP
 342 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
 343 {
 344     return wxComboPopupWindowBase::ProcessLeftDown(event);
 345 }
 346 #endif
 347
 348 #if USE_TRANSIENT_POPUP
 349 // First thing that happens when a transient popup closes is that this method gets called.
 350 void wxComboPopupWindow::OnDismiss()
 351 {
 352     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 353     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 354                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 355
 356     combo->OnPopupDismiss();
 357 }
 358 #endif
 359
 360 // ----------------------------------------------------------------------------
 361 // wxComboPopup
 362 //
 363 // ----------------------------------------------------------------------------
 364
 365 wxComboPopup::~wxComboPopup()
 366 {
 367 }
 368
 369 void wxComboPopup::OnPopup()
 370 {
 371 }
 372
 373 void wxComboPopup::OnDismiss()
 374 {
 375 }
 376
 377 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 378                                       int prefHeight,
 379                                       int WXUNUSED(maxHeight) )
 380 {
 381     return wxSize(minWidth,prefHeight);
 382 }
 383
 384 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 385                                              wxDC& dc, const wxRect& rect )
 386 {
 387     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 388     {
 389         combo->DrawFocusBackground(dc,rect,0);
 390
 391         dc.DrawText( combo->GetValue(),
 392                      rect.x + combo->GetTextIndent(),
 393                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 394     }
 395 }
 396
 397 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 398 {
 399     DefaultPaintComboControl(m_combo,dc,rect);
 400 }
 401
 402 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 403 {
 404     event.Skip();
 405 }
 406
 407 void wxComboPopup::OnComboDoubleClick()
 408 {
 409 }
 410
 411 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 412 {
 413 }
 414
 415 bool wxComboPopup::LazyCreate()
 416 {
 417     return false;
 418 }
 419
 420 void wxComboPopup::Dismiss()
 421 {
 422     m_combo->HidePopup();
 423 }
 424
 425 // ----------------------------------------------------------------------------
 426 // input handling
 427 // ----------------------------------------------------------------------------
 428
 429 //
 430 // This is pushed to the event handler queue of either combo box
 431 // or its textctrl (latter if not readonly combo).
 432 //
 433 class wxComboBoxExtraInputHandler : public wxEvtHandler
 434 {
 435 public:
 436
 437     wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
 438         : wxEvtHandler()
 439     {
 440         m_combo = combo;
 441     }
 442     ~wxComboBoxExtraInputHandler() { }
 443     void OnKey(wxKeyEvent& event);
 444     void OnFocus(wxFocusEvent& event);
 445
 446 protected:
 447     wxComboCtrlBase*   m_combo;
 448
 449 private:
 450     DECLARE_EVENT_TABLE()
 451 };
 452
 453
 454 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
 455     EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
 456     EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 457 END_EVENT_TABLE()
 458
 459
 460 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 461 {
 462     int keycode = event.GetKeyCode();
 463
 464     if ( keycode == WXK_TAB && !m_combo->IsPopupShown() )
 465     {
 466         wxNavigationKeyEvent evt;
 467         evt.SetFlags(wxNavigationKeyEvent::FromTab|
 468                      (!event.ShiftDown()?wxNavigationKeyEvent::IsForward:
 469                                          wxNavigationKeyEvent::IsBackward));
 470         evt.SetEventObject(m_combo);
 471         m_combo->GetParent()->GetEventHandler()->AddPendingEvent(evt);
 472         return;
 473     }
 474
 475     if ( m_combo->IsPopupShown() )
 476     {
 477         // pass it to the popped up control
 478         m_combo->GetPopupControl()->GetControl()->AddPendingEvent(event);
 479     }
 480     else // no popup
 481     {
 482         int comboStyle = m_combo->GetWindowStyle();
 483         wxComboPopup* popupInterface = m_combo->GetPopupControl();
 484
 485         if ( !popupInterface )
 486         {
 487             event.Skip();
 488             return;
 489         }
 490
 491         if ( (comboStyle & wxCB_READONLY) ||
 492              ( keycode != WXK_RIGHT && keycode != WXK_LEFT )
 493             )
 494         {
 495             // Alternate keys: UP and DOWN show the popup instead of cycling
 496             if ( (comboStyle & wxCC_ALT_KEYS) )
 497             {
 498                 if ( keycode == WXK_UP || keycode == WXK_DOWN )
 499                 {
 500                     m_combo->OnButtonClick();
 501                     return;
 502                 }
 503                 else
 504                     event.Skip();
 505             }
 506             else
 507                 popupInterface->OnComboKeyEvent(event);
 508         }
 509         else
 510             event.Skip();
 511     }
 512 }
 513
 514 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
 515 {
 516     // FIXME: This code does run when control is clicked,
 517     //        yet on Windows it doesn't select all the text.
 518     if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
 519     {
 520         if ( m_combo->GetTextCtrl() )
 521             m_combo->GetTextCtrl()->SelectAll();
 522         else
 523             m_combo->SetSelection(-1,-1);
 524     }
 525
 526     if ( event.GetId() != m_combo->GetId() )
 527     {
 528         // Add textctrl set focus events as combo set focus events
 529         // NOTE: Simply changing the event and skipping didn't seem
 530         // to do the trick.
 531         wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
 532         evt2.SetEventObject(m_combo);
 533         m_combo->GetEventHandler()->ProcessEvent(evt2);
 534     }
 535     else
 536         event.Skip();
 537
 538     event.Skip();
 539 }
 540
 541
 542 //
 543 // This is pushed to the event handler queue of the control in popup.
 544 //
 545
 546 class wxComboPopupExtraEventHandler : public wxEvtHandler
 547 {
 548 public:
 549
 550     wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
 551         : wxEvtHandler()
 552     {
 553         m_combo = combo;
 554         m_beenInside = false;
 555     }
 556     ~wxComboPopupExtraEventHandler() { }
 557
 558     void OnMouseEvent( wxMouseEvent& event );
 559
 560     // Called from wxComboCtrlBase::OnPopupDismiss
 561     void OnPopupDismiss()
 562     {
 563         m_beenInside = false;
 564     }
 565
 566 protected:
 567     wxComboCtrlBase*     m_combo;
 568
 569     bool                    m_beenInside;
 570
 571 private:
 572     DECLARE_EVENT_TABLE()
 573 };
 574
 575
 576 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
 577     EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
 578 END_EVENT_TABLE()
 579
 580
 581 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
 582 {
 583     wxPoint pt = event.GetPosition();
 584     wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
 585     int evtType = event.GetEventType();
 586     bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
 587
 588     if ( evtType == wxEVT_MOTION ||
 589          evtType == wxEVT_LEFT_DOWN ||
 590          evtType == wxEVT_RIGHT_DOWN )
 591     {
 592         // Block motion and click events outside the popup
 593         if ( !isInside )
 594         {
 595             event.Skip(false);
 596             return;
 597         }
 598     }
 599     else if ( evtType == wxEVT_LEFT_UP )
 600     {
 601         // Don't let left-down events in if outside
 602         if ( evtType == wxEVT_LEFT_DOWN )
 603         {
 604             if ( !isInside )
 605                 return;
 606         }
 607
 608         if ( !m_beenInside )
 609         {
 610             if ( isInside )
 611             {
 612                 m_beenInside = true;
 613             }
 614             else
 615             {
 616                 //
 617                 // Some mouse events to popup that happen outside it, before cursor
 618                 // has been inside the popu, need to be ignored by it but relayed to
 619                 // the dropbutton.
 620                 //
 621                 wxWindow* btn = m_combo->GetButton();
 622                 if ( btn )
 623                     btn->GetEventHandler()->AddPendingEvent(event);
 624                 else
 625                     m_combo->GetEventHandler()->AddPendingEvent(event);
 626
 627                 return;
 628             }
 629
 630             event.Skip();
 631         }
 632     }
 633
 634     event.Skip();
 635 }
 636
 637 // ----------------------------------------------------------------------------
 638 // wxComboCtrlBase
 639 // ----------------------------------------------------------------------------
 640
 641
 642 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
 643     EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 644     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
 645     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
 646     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
 647     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
 648     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 649     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 650 END_EVENT_TABLE()
 651
 652
 653 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
 654
 655 // Have global double buffer - should be enough for multiple combos
 656 static wxBitmap* gs_doubleBuffer = (wxBitmap*) NULL;
 657
 658 void wxComboCtrlBase::Init()
 659 {
 660     m_winPopup = (wxWindow *)NULL;
 661     m_popup = (wxWindow *)NULL;
 662     m_isPopupShown = false;
 663     m_btn = (wxWindow*) NULL;
 664     m_text = (wxTextCtrl*) NULL;
 665     m_popupInterface = (wxComboPopup*) NULL;
 666
 667     m_extraEvtHandler = (wxEvtHandler*) NULL;
 668     m_popupExtraHandler = (wxEvtHandler*) NULL;
 669     m_textEvtHandler = (wxEvtHandler*) NULL;
 670
 671 #if INSTALL_TOPLEV_HANDLER
 672     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 673 #endif
 674
 675     m_heightPopup = -1;
 676     m_widthMinPopup = -1;
 677     m_anchorSide = 0;
 678     m_widthCustomPaint = 0;
 679     m_widthCustomBorder = 0;
 680
 681     m_btnState = 0;
 682     m_btnWidDefault = 0;
 683     m_blankButtonBg = false;
 684     m_btnWid = m_btnHei = 0;
 685     m_btnSide = wxRIGHT;
 686     m_btnSpacingX = 0;
 687
 688     m_extLeft = 0;
 689     m_extRight = 0;
 690     m_absIndent = -1;
 691     m_iFlags = 0;
 692     m_downReceived = false;
 693     m_timeCanAcceptClick = 0;
 694 }
 695
 696 bool wxComboCtrlBase::Create(wxWindow *parent,
 697                              wxWindowID id,
 698                              const wxString& value,
 699                              const wxPoint& pos,
 700                              const wxSize& size,
 701                              long style,
 702                              const wxValidator& validator,
 703                              const wxString& name)
 704 {
 705     if ( !wxControl::Create(parent,
 706                             id,
 707                             pos,
 708                             size,
 709                             style | wxWANTS_CHARS,
 710                             validator,
 711                             name) )
 712         return false;
 713
 714     m_valueString = value;
 715
 716     // Get colours
 717     OnThemeChange();
 718     m_absIndent = GetNativeTextIndent();
 719
 720     m_iFlags |= wxCC_IFLAG_CREATED;
 721
 722     // If x and y indicate valid size, wxSizeEvent won't be
 723     // emitted automatically, so we need to add artifical one.
 724     if ( size.x > 0 && size.y > 0 )
 725     {
 726         wxSizeEvent evt(size,GetId());
 727         GetEventHandler()->AddPendingEvent(evt);
 728     }
 729
 730     return true;
 731 }
 732
 733 void wxComboCtrlBase::InstallInputHandlers( bool alsoTextCtrl )
 734 {
 735     if ( m_text && alsoTextCtrl )
 736     {
 737         m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
 738         m_text->PushEventHandler(m_textEvtHandler);
 739     }
 740
 741     wxComboBoxExtraInputHandler* inputHandler = new wxComboBoxExtraInputHandler(this);
 742     PushEventHandler(inputHandler);
 743     m_extraEvtHandler = inputHandler;
 744 }
 745
 746 void
 747 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
 748 {
 749     if ( !(m_windowStyle & wxCB_READONLY) )
 750     {
 751         // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
 752         // not used by the wxPropertyGrid and therefore the tab is processed by
 753         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
 754         // navigation event is then sent to the wrong window.
 755         style |= wxTE_PROCESS_TAB;
 756
 757         if ( HasFlag(wxTE_PROCESS_ENTER) )
 758             style |= wxTE_PROCESS_ENTER;
 759
 760         m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
 761                                 wxDefaultPosition, wxDefaultSize,
 762                                 style, validator);
 763
 764         // This is required for some platforms (GTK+ atleast)
 765         m_text->SetSizeHints(2,4);
 766     }
 767 }
 768
 769 void wxComboCtrlBase::OnThemeChange()
 770 {
 771     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 772 }
 773
 774 wxComboCtrlBase::~wxComboCtrlBase()
 775 {
 776     if ( HasCapture() )
 777         ReleaseMouse();
 778
 779     delete gs_doubleBuffer;
 780     gs_doubleBuffer = (wxBitmap*) NULL;
 781
 782 #if INSTALL_TOPLEV_HANDLER
 783     delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
 784     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 785 #endif
 786
 787     DestroyPopup();
 788
 789     RemoveEventHandler(m_extraEvtHandler);
 790
 791     if ( m_text )
 792         m_text->RemoveEventHandler(m_textEvtHandler);
 793
 794     delete m_textEvtHandler;
 795     delete m_extraEvtHandler;
 796 }
 797
 798
 799 // ----------------------------------------------------------------------------
 800 // geometry stuff
 801 // ----------------------------------------------------------------------------
 802
 803 // Recalculates button and textctrl areas
 804 void wxComboCtrlBase::CalculateAreas( int btnWidth )
 805 {
 806     wxSize sz = GetClientSize();
 807     int customBorder = m_widthCustomBorder;
 808     int btnBorder; // border for button only
 809
 810     // check if button should really be outside the border: we'll do it it if
 811     // its platform default or bitmap+pushbutton background is used, but not if
 812     // there is vertical size adjustment or horizontal spacing.
 813     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
 814                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
 815          m_btnSpacingX == 0 &&
 816          m_btnHei == 0 )
 817     {
 818         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
 819         btnBorder = 0;
 820     }
 821     else
 822     {
 823         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 824         btnBorder = customBorder;
 825     }
 826
 827     // Defaul indentation
 828     if ( m_absIndent < 0 )
 829         m_absIndent = GetNativeTextIndent();
 830
 831     int butWidth = btnWidth;
 832
 833     if ( butWidth <= 0 )
 834         butWidth = m_btnWidDefault;
 835     else
 836         m_btnWidDefault = butWidth;
 837
 838     if ( butWidth <= 0 )
 839         return;
 840
 841     int butHeight = sz.y - btnBorder*2;
 842
 843     // Adjust button width
 844     if ( m_btnWid < 0 )
 845         butWidth += m_btnWid;
 846     else if ( m_btnWid > 0 )
 847         butWidth = m_btnWid;
 848     else
 849     {
 850         // Adjust button width to match aspect ratio
 851         // (but only if control is smaller than best size).
 852         int bestHeight = GetBestSize().y;
 853         int height = GetSize().y;
 854
 855         if ( height < bestHeight )
 856         {
 857             // Make very small buttons square, as it makes
 858             // them accommodate arrow image better and still
 859             // looks decent.
 860             if ( height > 18 )
 861                 butWidth = (height*butWidth)/bestHeight;
 862             else
 863                 butWidth = butHeight;
 864         }
 865     }
 866
 867     // Adjust button height
 868     if ( m_btnHei < 0 )
 869         butHeight += m_btnHei;
 870     else if ( m_btnHei > 0 )
 871         butHeight = m_btnHei;
 872
 873     // Use size of normal bitmap if...
 874     //   It is larger
 875     //   OR
 876     //   button width is set to default and blank button bg is not drawn
 877     if ( m_bmpNormal.Ok() )
 878     {
 879         int bmpReqWidth = m_bmpNormal.GetWidth();
 880         int bmpReqHeight = m_bmpNormal.GetHeight();
 881
 882         // If drawing blank button background, we need to add some margin.
 883         if ( m_blankButtonBg )
 884         {
 885             bmpReqWidth += BMP_BUTTON_MARGIN*2;
 886             bmpReqHeight += BMP_BUTTON_MARGIN*2;
 887         }
 888
 889         if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
 890             butWidth = bmpReqWidth;
 891         if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
 892             butHeight = bmpReqHeight;
 893
 894         // Need to fix height?
 895         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
 896         {
 897             int newY = butHeight+(customBorder*2);
 898             SetClientSize(wxDefaultCoord,newY);
 899             sz.y = newY;
 900         }
 901     }
 902
 903     int butAreaWid = butWidth + (m_btnSpacingX*2);
 904
 905     m_btnSize.x = butWidth;
 906     m_btnSize.y = butHeight;
 907
 908     m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
 909     m_btnArea.y = btnBorder;
 910     m_btnArea.width = butAreaWid;
 911     m_btnArea.height = sz.y - (btnBorder*2);
 912
 913     m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
 914     m_tcArea.y = customBorder;
 915     m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
 916     m_tcArea.height = sz.y - (customBorder*2);
 917
 918 /*
 919     if ( m_text )
 920     {
 921         ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
 922                        wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
 923     }
 924 */
 925 }
 926
 927 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
 928 {
 929     if ( !m_text )
 930         return;
 931
 932     wxSize sz = GetClientSize();
 933     int customBorder = m_widthCustomBorder;
 934
 935     if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
 936     {
 937         // Centre textctrl
 938         int tcSizeY = m_text->GetBestSize().y;
 939         int diff = sz.y - tcSizeY;
 940         int y = textCtrlYAdjust + (diff/2);
 941
 942         if ( y < customBorder )
 943             y = customBorder;
 944
 945         m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
 946                          y,
 947                          m_tcArea.width - COMBO_MARGIN -
 948                          (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
 949                          -1 );
 950
 951         // Make sure textctrl doesn't exceed the bottom custom border
 952         wxSize tsz = m_text->GetSize();
 953         diff = (y + tsz.y) - (sz.y - customBorder);
 954         if ( diff >= 0 )
 955         {
 956             tsz.y = tsz.y - diff - 1;
 957             m_text->SetSize(tsz);
 958         }
 959     }
 960     else
 961     {
 962         m_text->SetSize( m_tcArea.x,
 963                          0,
 964                          sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
 965                          sz.y );
 966     }
 967 }
 968
 969 wxSize wxComboCtrlBase::DoGetBestSize() const
 970 {
 971     wxSize sizeText(150,0);
 972
 973     if ( m_text )
 974         sizeText = m_text->GetBestSize();
 975
 976     // TODO: Better method to calculate close-to-native control height.
 977
 978     int fhei;
 979     if ( m_font.Ok() )
 980         fhei = (m_font.GetPointSize()*2) + 5;
 981     else if ( wxNORMAL_FONT->Ok() )
 982         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
 983     else
 984         fhei = sizeText.y + 4;
 985
 986     // Need to force height to accomodate bitmap?
 987     int btnSizeY = m_btnSize.y;
 988     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
 989         fhei = btnSizeY;
 990
 991     // Control height doesn't depend on border
 992 /*
 993     // Add border
 994     int border = m_windowStyle & wxBORDER_MASK;
 995     if ( border == wxSIMPLE_BORDER )
 996         fhei += 2;
 997     else if ( border == wxNO_BORDER )
 998         fhei += (m_widthCustomBorder*2);
 999     else
1000         // Sunken etc.
1001         fhei += 4;
1002 */
1003
1004     // Final adjustments
1005 #ifdef __WXGTK__
1006     fhei += 1;
1007 #endif
1008
1009     wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
1010                fhei);
1011
1012     CacheBestSize(ret);
1013     return ret;
1014 }
1015
1016 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1017 {
1018     if ( !IsCreated() )
1019         return;
1020
1021     // defined by actual wxComboCtrls
1022     OnResize();
1023
1024     event.Skip();
1025 }
1026
1027 // ----------------------------------------------------------------------------
1028 // standard operations
1029 // ----------------------------------------------------------------------------
1030
1031 bool wxComboCtrlBase::Enable(bool enable)
1032 {
1033     if ( !wxControl::Enable(enable) )
1034         return false;
1035
1036     if ( m_btn )
1037         m_btn->Enable(enable);
1038     if ( m_text )
1039         m_text->Enable(enable);
1040
1041     return true;
1042 }
1043
1044 bool wxComboCtrlBase::Show(bool show)
1045 {
1046     if ( !wxControl::Show(show) )
1047         return false;
1048
1049     if (m_btn)
1050         m_btn->Show(show);
1051
1052     if (m_text)
1053         m_text->Show(show);
1054
1055     return true;
1056 }
1057
1058 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1059 {
1060     if ( !wxControl::SetFont(font) )
1061         return false;
1062
1063     if (m_text)
1064         m_text->SetFont(font);
1065
1066     return true;
1067 }
1068
1069 #if wxUSE_TOOLTIPS
1070 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1071 {
1072     wxControl::DoSetToolTip(tooltip);
1073
1074     // Set tool tip for button and text box
1075     if ( tooltip )
1076     {
1077         const wxString &tip = tooltip->GetTip();
1078         if ( m_text ) m_text->SetToolTip(tip);
1079         if ( m_btn ) m_btn->SetToolTip(tip);
1080     }
1081     else
1082     {
1083         if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1084         if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1085     }
1086 }
1087 #endif // wxUSE_TOOLTIPS
1088
1089 // ----------------------------------------------------------------------------
1090 // painting
1091 // ----------------------------------------------------------------------------
1092
1093 // draw focus background on area in a way typical on platform
1094 void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) const
1095 {
1096     wxSize sz = GetClientSize();
1097     bool isEnabled;
1098     bool isFocused; // also selected
1099
1100     // For smaller size control (and for disabled background) use less spacing
1101     int focusSpacingX;
1102     int focusSpacingY;
1103
1104     if ( !(flags & wxCONTROL_ISSUBMENU) )
1105     {
1106         // Drawing control
1107         isEnabled = IsEnabled();
1108         isFocused = ShouldDrawFocus();
1109
1110         // Windows-style: for smaller size control (and for disabled background) use less spacing
1111         focusSpacingX = isEnabled ? 2 : 1;
1112         focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1113     }
1114     else
1115     {
1116         // Drawing a list item
1117         isEnabled = true; // they are never disabled
1118         isFocused = flags & wxCONTROL_SELECTED ? true : false;
1119
1120         focusSpacingX = 0;
1121         focusSpacingY = 0;
1122     }
1123
1124     // Set the background sub-rectangle for selection, disabled etc
1125     wxRect selRect(rect);
1126     selRect.y += focusSpacingY;
1127     selRect.height -= (focusSpacingY*2);
1128
1129     int wcp = 0;
1130
1131     if ( !(flags & wxCONTROL_ISSUBMENU) )
1132         wcp += m_widthCustomPaint;
1133
1134     selRect.x += wcp + focusSpacingX;
1135     selRect.width -= wcp + (focusSpacingX*2);
1136
1137     wxColour bgCol;
1138
1139     if ( isEnabled )
1140     {
1141         // If popup is hidden and this control is focused,
1142         // then draw the focus-indicator (selbgcolor background etc.).
1143         if ( isFocused )
1144         {
1145             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1146             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1147         }
1148         else
1149         {
1150             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1151             bgCol = GetBackgroundColour();
1152         }
1153     }
1154     else
1155     {
1156         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1157         bgCol = GetBackgroundColour();
1158     }
1159
1160     dc.SetBrush( bgCol );
1161     dc.SetPen( bgCol );
1162     dc.DrawRectangle( selRect );
1163 }
1164
1165 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1166 {
1167     int drawState = m_btnState;
1168
1169 #ifdef __WXGTK__
1170     if ( m_isPopupShown )
1171         drawState |= wxCONTROL_PRESSED;
1172 #endif
1173
1174     wxRect drawRect(rect.x+m_btnSpacingX,
1175                     rect.y+((rect.height-m_btnSize.y)/2),
1176                     m_btnSize.x,
1177                     m_btnSize.y);
1178
1179     // Make sure area is not larger than the control
1180     if ( drawRect.y < rect.y )
1181         drawRect.y = rect.y;
1182     if ( drawRect.height > rect.height )
1183         drawRect.height = rect.height;
1184
1185     bool enabled = IsEnabled();
1186
1187     if ( !enabled )
1188         drawState |= wxCONTROL_DISABLED;
1189
1190     if ( !m_bmpNormal.Ok() )
1191     {
1192         // Need to clear button background even if m_btn is present
1193         if ( paintBg )
1194         {
1195             wxColour bgCol;
1196
1197             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1198                 bgCol = GetParent()->GetBackgroundColour();
1199             else
1200                 bgCol = GetBackgroundColour();
1201
1202             dc.SetBrush(bgCol);
1203             dc.SetPen(bgCol);
1204             dc.DrawRectangle(rect);
1205         }
1206
1207         // Draw standard button
1208         wxRendererNative::Get().DrawComboBoxDropButton(this,
1209                                                        dc,
1210                                                        drawRect,
1211                                                        drawState);
1212     }
1213     else
1214     {
1215         // Draw bitmap
1216
1217         wxBitmap* pBmp;
1218
1219         if ( !enabled )
1220             pBmp = &m_bmpDisabled;
1221         else if ( m_btnState & wxCONTROL_PRESSED )
1222             pBmp = &m_bmpPressed;
1223         else if ( m_btnState & wxCONTROL_CURRENT )
1224             pBmp = &m_bmpHover;
1225         else
1226             pBmp = &m_bmpNormal;
1227
1228         if ( m_blankButtonBg )
1229         {
1230             // If using blank button background, we need to clear its background
1231             // with button face colour instead of colour for rest of the control.
1232             if ( paintBg )
1233             {
1234                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1235                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1236                 dc.SetPen(bgCol);
1237                 dc.SetBrush(bgCol);
1238                 dc.DrawRectangle(rect);
1239             }
1240
1241             wxRendererNative::Get().DrawPushButton(this,
1242                                                    dc,
1243                                                    drawRect,
1244                                                    drawState);
1245
1246         }
1247         else
1248
1249         {
1250             // Need to clear button background even if m_btn is present
1251             // (assume non-button background was cleared just before this call so brushes are good)
1252             if ( paintBg )
1253                 dc.DrawRectangle(rect);
1254         }
1255
1256         // Draw bitmap centered in drawRect
1257         dc.DrawBitmap(*pBmp,
1258                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1259                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1260                       true);
1261     }
1262 }
1263
1264 void wxComboCtrlBase::RecalcAndRefresh()
1265 {
1266     if ( IsCreated() )
1267     {
1268         wxSizeEvent evt(GetSize(),GetId());
1269         GetEventHandler()->ProcessEvent(evt);
1270         Refresh();
1271     }
1272 }
1273
1274 wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
1275 {
1276     // If size is larger, recalculate double buffer bitmap
1277     if ( !gs_doubleBuffer ||
1278          sz.x > gs_doubleBuffer->GetWidth() ||
1279          sz.y > gs_doubleBuffer->GetHeight() )
1280     {
1281         delete gs_doubleBuffer;
1282         gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1283     }
1284     return *gs_doubleBuffer;
1285 }
1286
1287 // ----------------------------------------------------------------------------
1288 // miscellaneous event handlers
1289 // ----------------------------------------------------------------------------
1290
1291 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1292 {
1293     // Change event id, object and string before relaying it forward
1294     event.SetId(GetId());
1295     wxString s = event.GetString();
1296     event.SetEventObject(this);
1297     event.SetString(s);
1298     event.Skip();
1299 }
1300
1301 // call if cursor is on button area or mouse is captured for the button
1302 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1303                                                  int flags )
1304 {
1305     int type = event.GetEventType();
1306
1307     if ( type == wxEVT_MOTION )
1308     {
1309         if ( flags & wxCC_MF_ON_BUTTON )
1310         {
1311             if ( !(m_btnState & wxCONTROL_CURRENT) )
1312             {
1313                 // Mouse hover begins
1314                 m_btnState |= wxCONTROL_CURRENT;
1315                 if ( HasCapture() ) // Retain pressed state.
1316                     m_btnState |= wxCONTROL_PRESSED;
1317                 Refresh();
1318             }
1319         }
1320         else if ( (m_btnState & wxCONTROL_CURRENT) )
1321         {
1322             // Mouse hover ends
1323             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1324             Refresh();
1325         }
1326     }
1327     else if ( type == wxEVT_LEFT_DOWN )
1328     {
1329         // Only accept event if it wasn't right after popup dismiss
1330         //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1331         {
1332             // Need to test this, because it might be outside.
1333             if ( flags & wxCC_MF_ON_BUTTON )
1334             {
1335                 m_btnState |= wxCONTROL_PRESSED;
1336                 Refresh();
1337
1338                 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1339                     OnButtonClick();
1340                 else
1341                     // If showing popup now, do not capture mouse or there will be interference
1342                     CaptureMouse();
1343             }
1344         }
1345         /*else
1346         {
1347             m_btnState = 0;
1348         }*/
1349     }
1350     else if ( type == wxEVT_LEFT_UP )
1351     {
1352
1353         // Only accept event if mouse was left-press was previously accepted
1354         if ( HasCapture() )
1355             ReleaseMouse();
1356
1357         if ( m_btnState & wxCONTROL_PRESSED )
1358         {
1359             // If mouse was inside, fire the click event.
1360             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1361             {
1362                 if ( flags & wxCC_MF_ON_BUTTON )
1363                     OnButtonClick();
1364             }
1365
1366             m_btnState &= ~(wxCONTROL_PRESSED);
1367             Refresh();
1368         }
1369     }
1370     else if ( type == wxEVT_LEAVE_WINDOW )
1371     {
1372         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1373         {
1374             m_btnState &= ~(wxCONTROL_CURRENT);
1375
1376             // Mouse hover ends
1377             if ( !m_isPopupShown )
1378             {
1379                 m_btnState &= ~(wxCONTROL_PRESSED);
1380                 Refresh();
1381             }
1382         }
1383     }
1384     else
1385         return false;
1386
1387     return true;
1388 }
1389
1390 // Conversion to double-clicks and some basic filtering
1391 // returns true if event was consumed or filtered
1392 //bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
1393 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1394                                                int flags )
1395 {
1396     wxLongLong t = ::wxGetLocalTimeMillis();
1397     int evtType = event.GetEventType();
1398
1399     //
1400     // Generate our own double-clicks
1401     // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
1402     if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
1403          !m_isPopupShown &&
1404          //!(handlerFlags & wxCC_MF_ON_BUTTON) )
1405          !(flags & wxCC_MF_ON_BUTTON) )
1406     {
1407         if ( evtType == wxEVT_LEFT_DOWN )
1408         {
1409             // Set value to avoid up-events without corresponding downs
1410             m_downReceived = true;
1411         }
1412         else if ( evtType == wxEVT_LEFT_DCLICK )
1413         {
1414             // We'll make our own double-clicks
1415             //evtType = 0;
1416             event.SetEventType(0);
1417             return true;
1418         }
1419         else if ( evtType == wxEVT_LEFT_UP )
1420         {
1421             if ( m_downReceived || m_timeLastMouseUp == 1 )
1422             {
1423                 wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
1424
1425                 if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
1426                 {
1427                     //type = wxEVT_LEFT_DCLICK;
1428                     event.SetEventType(wxEVT_LEFT_DCLICK);
1429                     m_timeLastMouseUp = 1;
1430                 }
1431                 else
1432                 {
1433                     m_timeLastMouseUp = t;
1434                 }
1435
1436                 //m_downReceived = false;
1437             }
1438         }
1439     }
1440
1441     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1442     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1443     {
1444         event.SetEventType(0);
1445         return true;
1446     }
1447
1448     return false;
1449 }
1450
1451 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1452 {
1453     int evtType = event.GetEventType();
1454
1455     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1456          (m_windowStyle & wxCB_READONLY) )
1457     {
1458         if ( m_isPopupShown )
1459         {
1460     #if !wxUSE_POPUPWIN
1461         // Normally do nothing - evt handler should close it for us
1462     #elif !USE_TRANSIENT_POPUP
1463             // Click here always hides the popup.
1464             HidePopup();
1465     #endif
1466         }
1467         else
1468         {
1469             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1470             {
1471                 // In read-only mode, clicking the text is the
1472                 // same as clicking the button.
1473                 OnButtonClick();
1474             }
1475             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1476             {
1477                 //if ( m_popupInterface->CycleValue() )
1478                 //    Refresh();
1479                 if ( m_popupInterface )
1480                     m_popupInterface->OnComboDoubleClick();
1481             }
1482         }
1483     }
1484     else
1485     if ( m_isPopupShown )
1486     {
1487         // relay (some) mouse events to the popup
1488         if ( evtType == wxEVT_MOUSEWHEEL )
1489             m_popup->AddPendingEvent(event);
1490     }
1491     else if ( evtType )
1492         event.Skip();
1493 }
1494
1495 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& )
1496 {
1497     // First click is the first part of double-click
1498     // Some platforms don't generate down-less mouse up-event
1499     // (Windows does, GTK+2 doesn't), so that's why we have
1500     // to do this.
1501     m_timeLastMouseUp = ::wxGetLocalTimeMillis();
1502
1503     if ( m_text )
1504     {
1505         m_text->SetFocus();
1506     }
1507     else
1508         // no need to check for m_widthCustomPaint - that
1509         // area never gets special handling when selected
1510         // (in writable mode, that is)
1511         Refresh();
1512 }
1513
1514 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1515 {
1516     OnThemeChange();
1517     // indentation may also have changed
1518     if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1519         m_absIndent = GetNativeTextIndent();
1520     RecalcAndRefresh();
1521 }
1522
1523 // ----------------------------------------------------------------------------
1524 // popup handling
1525 // ----------------------------------------------------------------------------
1526
1527 // Create popup window and the child control
1528 void wxComboCtrlBase::CreatePopup()
1529 {
1530     wxComboPopup* popupInterface = m_popupInterface;
1531     wxWindow* popup;
1532
1533     if ( !m_winPopup )
1534         m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1535
1536     popupInterface->Create(m_winPopup);
1537     m_popup = popup = popupInterface->GetControl();
1538
1539     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1540     popup->PushEventHandler( m_popupExtraHandler );
1541
1542     // This may be helpful on some platforms
1543     //   (eg. it bypasses a wxGTK popupwindow bug where
1544     //    window is not initially hidden when it should be)
1545     m_winPopup->Hide();
1546
1547     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1548 }
1549
1550 // Destroy popup window and the child control
1551 void wxComboCtrlBase::DestroyPopup()
1552 {
1553     if ( m_popup )
1554         m_popup->RemoveEventHandler(m_popupExtraHandler);
1555
1556     delete m_popupExtraHandler;
1557
1558     HidePopup();
1559
1560     delete m_popupInterface;
1561
1562     if ( m_winPopup )
1563         m_winPopup->Destroy();
1564
1565     m_popupExtraHandler = (wxEvtHandler*) NULL;
1566     m_popupInterface = (wxComboPopup*) NULL;
1567     m_winPopup = (wxWindow*) NULL;
1568     m_popup = (wxWindow*) NULL;
1569 }
1570
1571 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1572 {
1573     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1574
1575     DestroyPopup();
1576
1577     iface->InitBase(this);
1578     iface->Init();
1579
1580     m_popupInterface = iface;
1581
1582     if ( !iface->LazyCreate() )
1583     {
1584         CreatePopup();
1585     }
1586     else
1587     {
1588         m_popup = (wxWindow*) NULL;
1589     }
1590
1591     // This must be done after creation
1592     if ( m_valueString.length() )
1593     {
1594         iface->SetStringValue(m_valueString);
1595         //Refresh();
1596     }
1597 }
1598
1599 // Ensures there is atleast the default popup
1600 void wxComboCtrlBase::EnsurePopupControl()
1601 {
1602     if ( !m_popupInterface )
1603         SetPopupControl(NULL);
1604 }
1605
1606 void wxComboCtrlBase::OnButtonClick()
1607 {
1608     // Derived classes can override this method for totally custom
1609     // popup action
1610     ShowPopup();
1611 }
1612
1613 void wxComboCtrlBase::ShowPopup()
1614 {
1615     EnsurePopupControl();
1616     wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1617
1618     SetFocus();
1619
1620     // Space above and below
1621     int screenHeight;
1622     wxPoint scrPos;
1623     int spaceAbove;
1624     int spaceBelow;
1625     int maxHeightPopup;
1626     wxSize ctrlSz = GetSize();
1627
1628     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1629     scrPos = GetParent()->ClientToScreen(GetPosition());
1630
1631     spaceAbove = scrPos.y;
1632     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1633
1634     maxHeightPopup = spaceBelow;
1635     if ( spaceAbove > spaceBelow )
1636         maxHeightPopup = spaceAbove;
1637
1638     // Width
1639     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1640
1641     if ( widthPopup < m_widthMinPopup )
1642         widthPopup = m_widthMinPopup;
1643
1644     wxWindow* winPopup = m_winPopup;
1645     wxWindow* popup;
1646
1647     // Need to disable tab traversal of parent
1648     //
1649     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1650     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1651     //     that if transient popup is open, then tab traversal is to be ignored.
1652     //     However, I think this code would still be needed for cases where
1653     //     transient popup doesn't work yet (wxWinCE?).
1654     wxWindow* parent = GetParent();
1655     int parentFlags = parent->GetWindowStyle();
1656     if ( parentFlags & wxTAB_TRAVERSAL )
1657     {
1658         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1659         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1660     }
1661
1662     if ( !winPopup )
1663     {
1664         CreatePopup();
1665         winPopup = m_winPopup;
1666         popup = m_popup;
1667     }
1668     else
1669     {
1670         popup = m_popup;
1671     }
1672
1673     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1674
1675     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1676                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1677                                                             maxHeightPopup);
1678
1679     popup->SetSize(adjustedSize);
1680     popup->Move(0,0);
1681     m_popupInterface->OnPopup();
1682
1683     //
1684     // Reposition and resize popup window
1685     //
1686
1687     wxSize szp = popup->GetSize();
1688
1689     int popupX;
1690     int popupY = scrPos.y + ctrlSz.y;
1691
1692     // Default anchor is wxLEFT
1693     int anchorSide = m_anchorSide;
1694     if ( !anchorSide )
1695         anchorSide = wxLEFT;
1696
1697     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1698     int leftX = scrPos.x - m_extLeft;
1699     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1700
1701     // If there is not enough horizontal space, anchor on the other side.
1702     // If there is no space even then, place the popup at x 0.
1703     if ( anchorSide == wxRIGHT )
1704     {
1705         if ( rightX < 0 )
1706         {
1707             if ( (leftX+szp.x) < screenWidth )
1708                 anchorSide = wxLEFT;
1709             else
1710                 anchorSide = 0;
1711         }
1712     }
1713     else
1714     {
1715         if ( (leftX+szp.x) >= screenWidth )
1716         {
1717             if ( rightX >= 0 )
1718                 anchorSide = wxRIGHT;
1719             else
1720                 anchorSide = 0;
1721         }
1722     }
1723
1724     // Select x coordinate according to the anchor side
1725     if ( anchorSide == wxRIGHT )
1726         popupX = rightX;
1727     else if ( anchorSide == wxLEFT )
1728         popupX = leftX;
1729     else
1730         popupX = 0;
1731
1732     if ( spaceBelow < szp.y )
1733     {
1734         popupY = scrPos.y - szp.y;
1735     }
1736
1737     // Move to position
1738     //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1739     //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1740
1741     // Some platforms (GTK) may need these two to be separate
1742     winPopup->SetSize( szp.x, szp.y );
1743     winPopup->Move( popupX, popupY );
1744
1745     //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1746
1747     m_popup = popup;
1748
1749     // Set string selection (must be this way instead of SetStringSelection)
1750     if ( m_text )
1751     {
1752         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1753             m_text->SelectAll();
1754
1755         m_popupInterface->SetStringValue( m_text->GetValue() );
1756     }
1757     else
1758     {
1759         // This is neede since focus/selection indication may change when popup is shown
1760         Refresh();
1761     }
1762
1763     // This must be after SetStringValue
1764     m_isPopupShown = true;
1765
1766     // Show it
1767 #if USE_TRANSIENT_POPUP
1768     ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1769 #else
1770     winPopup->Show();
1771 #endif
1772
1773 #if INSTALL_TOPLEV_HANDLER
1774     // Put top level window event handler into place
1775     if ( !m_toplevEvtHandler )
1776         m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1777
1778     wxWindow* toplev = ::wxGetTopLevelParent( this );
1779     wxASSERT( toplev );
1780     ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1781     toplev->PushEventHandler( m_toplevEvtHandler );
1782 #endif
1783
1784 }
1785
1786 void wxComboCtrlBase::OnPopupDismiss()
1787 {
1788     // Just in case, avoid double dismiss
1789     if ( !m_isPopupShown )
1790         return;
1791
1792     // *Must* set this before focus etc.
1793     m_isPopupShown = false;
1794
1795     // Inform popup control itself
1796     m_popupInterface->OnDismiss();
1797
1798     if ( m_popupExtraHandler )
1799         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1800
1801 #if INSTALL_TOPLEV_HANDLER
1802     // Remove top level window event handler
1803     if ( m_toplevEvtHandler )
1804     {
1805         wxWindow* toplev = ::wxGetTopLevelParent( this );
1806         if ( toplev )
1807             toplev->RemoveEventHandler( m_toplevEvtHandler );
1808     }
1809 #endif
1810
1811     m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1812
1813     // If cursor not on dropdown button, then clear its state
1814     // (technically not required by all ports, but do it for all just in case)
1815     if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) )
1816         m_btnState = 0;
1817
1818     // Return parent's tab traversal flag.
1819     // See ShowPopup for notes.
1820     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1821     {
1822         wxWindow* parent = GetParent();
1823         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1824         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1825     }
1826
1827     // refresh control (necessary even if m_text)
1828     Refresh();
1829
1830 #if !wxUSE_POPUPWIN
1831     SetFocus();
1832 #endif
1833
1834 }
1835
1836 void wxComboCtrlBase::HidePopup()
1837 {
1838     // Should be able to call this without popup interface
1839     //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1840     if ( !m_isPopupShown )
1841         return;
1842
1843     // transfer value and show it in textctrl, if any
1844     SetValue( m_popupInterface->GetStringValue() );
1845
1846 #if USE_TRANSIENT_POPUP
1847     ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1848 #else
1849     m_winPopup->Hide();
1850 #endif
1851
1852     OnPopupDismiss();
1853 }
1854
1855 // ----------------------------------------------------------------------------
1856 // customization methods
1857 // ----------------------------------------------------------------------------
1858
1859 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1860                                             int side, int spacingX )
1861 {
1862     m_btnWid = width;
1863     m_btnHei = height;
1864     m_btnSide = side;
1865     m_btnSpacingX = spacingX;
1866
1867     RecalcAndRefresh();
1868 }
1869
1870 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1871                                            bool blankButtonBg,
1872                                            const wxBitmap& bmpPressed,
1873                                            const wxBitmap& bmpHover,
1874                                            const wxBitmap& bmpDisabled )
1875 {
1876     m_bmpNormal = bmpNormal;
1877     m_blankButtonBg = blankButtonBg;
1878
1879     if ( bmpPressed.Ok() )
1880         m_bmpPressed = bmpPressed;
1881     else
1882         m_bmpPressed = bmpNormal;
1883
1884     if ( bmpHover.Ok() )
1885         m_bmpHover = bmpHover;
1886     else
1887         m_bmpHover = bmpNormal;
1888
1889     if ( bmpDisabled.Ok() )
1890         m_bmpDisabled = bmpDisabled;
1891     else
1892         m_bmpDisabled = bmpNormal;
1893
1894     RecalcAndRefresh();
1895 }
1896
1897 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1898 {
1899     if ( m_text )
1900     {
1901         // move textctrl accordingly
1902         wxRect r = m_text->GetRect();
1903         int inc = width - m_widthCustomPaint;
1904         r.x += inc;
1905         r.width -= inc;
1906         m_text->SetSize( r );
1907     }
1908
1909     m_widthCustomPaint = width;
1910
1911     RecalcAndRefresh();
1912 }
1913
1914 void wxComboCtrlBase::SetTextIndent( int indent )
1915 {
1916     if ( indent < 0 )
1917     {
1918         m_absIndent = GetNativeTextIndent();
1919         m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1920     }
1921     else
1922     {
1923         m_absIndent = indent;
1924         m_iFlags |= wxCC_IFLAG_INDENT_SET;
1925     }
1926
1927     RecalcAndRefresh();
1928 }
1929
1930 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1931 {
1932     return DEFAULT_TEXT_INDENT;
1933 }
1934
1935 // ----------------------------------------------------------------------------
1936 // methods forwarded to wxTextCtrl
1937 // ----------------------------------------------------------------------------
1938
1939 wxString wxComboCtrlBase::GetValue() const
1940 {
1941     if ( m_text )
1942         return m_text->GetValue();
1943     return m_valueString;
1944 }
1945
1946 void wxComboCtrlBase::SetValue(const wxString& value)
1947 {
1948     if ( m_text )
1949     {
1950         m_text->SetValue(value);
1951         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1952             m_text->SelectAll();
1953     }
1954
1955     m_valueString = value;
1956
1957     Refresh();
1958
1959     // Since wxComboPopup may want to paint the combo as well, we need
1960     // to set the string value here (as well as sometimes in ShowPopup).
1961     if ( m_valueString != value && m_popupInterface )
1962     {
1963         m_popupInterface->SetStringValue(value);
1964     }
1965 }
1966
1967 // In this SetValue variant wxComboPopup::SetStringValue is not called
1968 void wxComboCtrlBase::SetText(const wxString& value)
1969 {
1970     // Unlike in SetValue(), this must be called here or
1971     // the behaviour will no be consistent in readonlys.
1972     EnsurePopupControl();
1973
1974     m_valueString = value;
1975
1976     Refresh();
1977 }
1978
1979 void wxComboCtrlBase::Copy()
1980 {
1981     if ( m_text )
1982         m_text->Copy();
1983 }
1984
1985 void wxComboCtrlBase::Cut()
1986 {
1987     if ( m_text )
1988         m_text->Cut();
1989 }
1990
1991 void wxComboCtrlBase::Paste()
1992 {
1993     if ( m_text )
1994         m_text->Paste();
1995 }
1996
1997 void wxComboCtrlBase::SetInsertionPoint(long pos)
1998 {
1999     if ( m_text )
2000         m_text->SetInsertionPoint(pos);
2001 }
2002
2003 void wxComboCtrlBase::SetInsertionPointEnd()
2004 {
2005     if ( m_text )
2006         m_text->SetInsertionPointEnd();
2007 }
2008
2009 long wxComboCtrlBase::GetInsertionPoint() const
2010 {
2011     if ( m_text )
2012         return m_text->GetInsertionPoint();
2013
2014     return 0;
2015 }
2016
2017 long wxComboCtrlBase::GetLastPosition() const
2018 {
2019     if ( m_text )
2020         return m_text->GetLastPosition();
2021
2022     return 0;
2023 }
2024
2025 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2026 {
2027     if ( m_text )
2028         m_text->Replace(from, to, value);
2029 }
2030
2031 void wxComboCtrlBase::Remove(long from, long to)
2032 {
2033     if ( m_text )
2034         m_text->Remove(from, to);
2035 }
2036
2037 void wxComboCtrlBase::SetSelection(long from, long to)
2038 {
2039     if ( m_text )
2040         m_text->SetSelection(from, to);
2041 }
2042
2043 void wxComboCtrlBase::Undo()
2044 {
2045     if ( m_text )
2046         m_text->Undo();
2047 }
2048
2049 #endif // wxUSE_COMBOCTRL