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/app.h"
  32     #include "wx/log.h"
  33     #include "wx/dcclient.h"
  34     #include "wx/settings.h"
  35     #include "wx/timer.h"
  36     #include "wx/textctrl.h"
  37 #endif
  38
  39 #include "wx/tooltip.h"
  40
  41 #include "wx/combo.h"
  42
  43
  44
  45 // constants
  46 // ----------------------------------------------------------------------------
  47
  48 #define DEFAULT_DROPBUTTON_WIDTH                19
  49
  50 #define BMP_BUTTON_MARGIN                       4
  51
  52 #define DEFAULT_POPUP_HEIGHT                    400
  53
  54 #define DEFAULT_TEXT_INDENT                     3
  55
  56 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  57
  58
  59 #if defined(__WXMSW__)
  60
  61 // Let's use wxFrame as a fall-back solution until wxMSW gets wxNonOwnedWindow
  62 #include "wx/frame.h"
  63 #define wxCC_GENERIC_TLW_IS_FRAME
  64 #define wxComboCtrlGenericTLW   wxFrame
  65
  66 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  67 #define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
  68                                         // native controls work on it like normal.
  69 #define POPUPWIN_IS_PERFECT           0 // Same, but for non-transient popup window.
  70 #define TEXTCTRL_TEXT_CENTERED        0 // 1 if text in textctrl is vertically centered
  71 #define FOCUS_RING                    0 // No focus ring on wxMSW
  72
  73 //#undef wxUSE_POPUPWIN
  74 //#define wxUSE_POPUPWIN 0
  75
  76 #elif defined(__WXGTK__)
  77
  78 // NB: It is not recommended to use wxDialog as popup on wxGTK, because of
  79 //     this bug: If wxDialog is hidden, its position becomes corrupt
  80 //     between hide and next show, but without internal coordinates being
  81 //     reflected (or something like that - atleast commenting out ->Hide()
  82 //     seemed to eliminate the position change).
  83
  84 #include "wx/dialog.h"
  85 #define wxCC_GENERIC_TLW_IS_DIALOG
  86 #define wxComboCtrlGenericTLW   wxDialog
  87
  88 #include "wx/gtk/private.h"
  89
  90 // NB: Let's not be afraid to use wxGTK's wxPopupTransientWindow as a
  91 //     'perfect' popup, as it can succesfully host child controls even in
  92 //     popups that are shown in modal dialogs.
  93
  94 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  95 #define TRANSIENT_POPUPWIN_IS_PERFECT 1 // wxPopupTransientWindow works, its child can have focus, and common
  96                                         // native controls work on it like normal.
  97 #define POPUPWIN_IS_PERFECT           1 // Same, but for non-transient popup window.
  98 #define TEXTCTRL_TEXT_CENTERED        1 // 1 if text in textctrl is vertically centered
  99 #define FOCUS_RING                    0 // No focus ring on wxGTK
 100
 101 #elif defined(__WXMAC__)
 102
 103 #include "wx/nonownedwnd.h"
 104 #define wxCC_GENERIC_TLW_IS_NONOWNEDWINDOW
 105 #define wxComboCtrlGenericTLW   wxNonOwnedWindow
 106
 107 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
 108 #define TRANSIENT_POPUPWIN_IS_PERFECT 1 // wxPopupTransientWindow works, its child can have focus, and common
 109                                         // native controls work on it like normal.
 110 #define POPUPWIN_IS_PERFECT           1 // Same, but for non-transient popup window.
 111 #define TEXTCTRL_TEXT_CENTERED        1 // 1 if text in textctrl is vertically centered
 112 #define FOCUS_RING                    3 // Reserve room for the textctrl's focus ring to display
 113
 114 #undef DEFAULT_DROPBUTTON_WIDTH
 115 #define DEFAULT_DROPBUTTON_WIDTH      22
 116 #undef COMBO_MARGIN
 117 #define COMBO_MARGIN                  FOCUS_RING
 118
 119 #else
 120
 121 #include "wx/dialog.h"
 122 #define wxCC_GENERIC_TLW_IS_DIALOG
 123 #define wxComboCtrlGenericTLW   wxDialog
 124
 125 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
 126 #define TRANSIENT_POPUPWIN_IS_PERFECT 0 // wxPopupTransientWindow works, its child can have focus, and common
 127                                         // native controls work on it like normal.
 128 #define POPUPWIN_IS_PERFECT           0 // Same, but for non-transient popup window.
 129 #define TEXTCTRL_TEXT_CENTERED        1 // 1 if text in textctrl is vertically centered
 130 #define FOCUS_RING                    0
 131
 132 #endif
 133
 134
 135 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
 136 // what the wxUSE_POPUPWIN says.
 137 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
 138 #if (!defined(__WXMSW__) && !defined(__WXGTK__) && !defined(__WXMAC__)) || defined(__WXWINCE__)
 139 #undef wxUSE_POPUPWIN
 140 #define wxUSE_POPUPWIN 0
 141 #endif
 142
 143
 144 #if wxUSE_POPUPWIN
 145     #include "wx/popupwin.h"
 146 #else
 147     #undef USE_TRANSIENT_POPUP
 148     #define USE_TRANSIENT_POPUP 0
 149 #endif
 150
 151
 152 // Define different types of popup windows
 153 enum
 154 {
 155     POPUPWIN_NONE                   = 0,
 156     POPUPWIN_WXPOPUPTRANSIENTWINDOW = 1,
 157     POPUPWIN_WXPOPUPWINDOW          = 2,
 158     POPUPWIN_GENERICTLW             = 3
 159 };
 160
 161
 162 #if USE_TRANSIENT_POPUP
 163     // wxPopupTransientWindow is implemented
 164
 165     #define wxComboPopupWindowBase  wxPopupTransientWindow
 166     #define PRIMARY_POPUP_TYPE      POPUPWIN_WXPOPUPTRANSIENTWINDOW
 167     #define USES_WXPOPUPTRANSIENTWINDOW 1
 168
 169     #if TRANSIENT_POPUPWIN_IS_PERFECT
 170         //
 171     #elif POPUPWIN_IS_PERFECT
 172         #define wxComboPopupWindowBase2     wxPopupWindow
 173         #define SECONDARY_POPUP_TYPE        POPUPWIN_WXPOPUPWINDOW
 174         #define USES_WXPOPUPWINDOW          1
 175     #else
 176         #define wxComboPopupWindowBase2     wxComboCtrlGenericTLW
 177         #define SECONDARY_POPUP_TYPE        POPUPWIN_GENERICTLW
 178         #define USES_GENERICTLW             1
 179     #endif
 180
 181 #elif wxUSE_POPUPWIN
 182     // wxPopupWindow (but not wxPopupTransientWindow) is properly implemented
 183
 184     #define wxComboPopupWindowBase      wxPopupWindow
 185     #define PRIMARY_POPUP_TYPE          POPUPWIN_WXPOPUPWINDOW
 186     #define USES_WXPOPUPWINDOW          1
 187
 188     #if !POPUPWIN_IS_PERFECT
 189         #define wxComboPopupWindowBase2     wxComboCtrlGenericTLW
 190         #define SECONDARY_POPUP_TYPE        POPUPWIN_GENERICTLW
 191         #define USES_GENERICTLW             1
 192     #endif
 193
 194 #else
 195     // wxPopupWindow is not implemented
 196
 197     #define wxComboPopupWindowBase      wxComboCtrlGenericTLW
 198     #define PRIMARY_POPUP_TYPE          POPUPWIN_GENERICTLW
 199     #define USES_GENERICTLW             1
 200
 201 #endif
 202
 203
 204 #ifndef USES_WXPOPUPTRANSIENTWINDOW
 205     #define USES_WXPOPUPTRANSIENTWINDOW 0
 206 #endif
 207
 208 #ifndef USES_WXPOPUPWINDOW
 209     #define USES_WXPOPUPWINDOW          0
 210 #endif
 211
 212 #ifndef USES_GENERICTLW
 213     #define USES_GENERICTLW             0
 214 #endif
 215
 216
 217 #if USES_WXPOPUPWINDOW
 218     #define INSTALL_TOPLEV_HANDLER      1
 219 #else
 220     #define INSTALL_TOPLEV_HANDLER      0
 221 #endif
 222
 223
 224 //
 225 // ** TODO **
 226 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 227 //
 228
 229
 230 // ----------------------------------------------------------------------------
 231 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 232 // in its top level parent.
 233 // ----------------------------------------------------------------------------
 234
 235 #if INSTALL_TOPLEV_HANDLER
 236
 237 //
 238 // This will no longer be necessary after wxTransientPopupWindow
 239 // works well on all platforms.
 240 //
 241
 242 class wxComboFrameEventHandler : public wxEvtHandler
 243 {
 244 public:
 245     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 246     virtual ~wxComboFrameEventHandler();
 247
 248     void OnPopup();
 249
 250     void OnIdle( wxIdleEvent& event );
 251     void OnMouseEvent( wxMouseEvent& event );
 252     void OnActivate( wxActivateEvent& event );
 253     void OnResize( wxSizeEvent& event );
 254     void OnMove( wxMoveEvent& event );
 255     void OnMenuEvent( wxMenuEvent& event );
 256     void OnClose( wxCloseEvent& event );
 257
 258 protected:
 259     wxWindow*                       m_focusStart;
 260     wxComboCtrlBase*     m_combo;
 261
 262 private:
 263     DECLARE_EVENT_TABLE()
 264 };
 265
 266 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 267     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 268     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 269     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 270     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 271     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 272     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 273     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 274     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 275     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 276 END_EVENT_TABLE()
 277
 278 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 279     : wxEvtHandler()
 280 {
 281     m_combo = combo;
 282 }
 283
 284 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 285 {
 286 }
 287
 288 void wxComboFrameEventHandler::OnPopup()
 289 {
 290     m_focusStart = ::wxWindow::FindFocus();
 291 }
 292
 293 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 294 {
 295     wxWindow* winFocused = ::wxWindow::FindFocus();
 296
 297     wxWindow* popup = m_combo->GetPopupControl()->GetControl();
 298     wxWindow* winpopup = m_combo->GetPopupWindow();
 299
 300     if (
 301          winFocused != m_focusStart &&
 302          winFocused != popup &&
 303          winFocused->GetParent() != popup &&
 304          winFocused != winpopup &&
 305          winFocused->GetParent() != winpopup &&
 306          winFocused != m_combo &&
 307          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 308         )
 309     {
 310         m_combo->HidePopup(true);
 311     }
 312
 313     event.Skip();
 314 }
 315
 316 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 317 {
 318     m_combo->HidePopup(true);
 319     event.Skip();
 320 }
 321
 322 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 323 {
 324     m_combo->HidePopup(true);
 325     event.Skip();
 326 }
 327
 328 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 329 {
 330     m_combo->HidePopup(true);
 331     event.Skip();
 332 }
 333
 334 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 335 {
 336     m_combo->HidePopup(true);
 337     event.Skip();
 338 }
 339
 340 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 341 {
 342     m_combo->HidePopup(true);
 343     event.Skip();
 344 }
 345
 346 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 347 {
 348     m_combo->HidePopup(true);
 349     event.Skip();
 350 }
 351
 352 #endif // INSTALL_TOPLEV_HANDLER
 353
 354 // ----------------------------------------------------------------------------
 355 // wxComboPopupWindow is, in essence, wxPopupWindow customized for
 356 // wxComboCtrl.
 357 // ----------------------------------------------------------------------------
 358
 359 class wxComboPopupWindow : public wxComboPopupWindowBase
 360 {
 361 public:
 362
 363     wxComboPopupWindow( wxComboCtrlBase *parent,
 364                         int style )
 365     #if USES_WXPOPUPWINDOW || USES_WXPOPUPTRANSIENTWINDOW
 366                        : wxComboPopupWindowBase(parent,style)
 367     #else
 368                        : wxComboPopupWindowBase(parent,
 369                                                 wxID_ANY,
 370                                                 wxEmptyString,
 371                                                 wxPoint(-21,-21),
 372                                                 wxSize(20,20),
 373                                                 style)
 374     #endif
 375     {
 376         m_inShow = 0;
 377     }
 378
 379 #if USES_WXPOPUPTRANSIENTWINDOW
 380     virtual bool Show( bool show );
 381     virtual bool ProcessLeftDown(wxMouseEvent& event);
 382 protected:
 383     virtual void OnDismiss();
 384 #endif
 385
 386 private:
 387     wxByte      m_inShow;
 388 };
 389
 390
 391 #if USES_WXPOPUPTRANSIENTWINDOW
 392 bool wxComboPopupWindow::Show( bool show )
 393 {
 394     // Guard against recursion
 395     if ( m_inShow )
 396         return wxComboPopupWindowBase::Show(show);
 397
 398     m_inShow++;
 399
 400     wxASSERT( IsKindOf(CLASSINFO(wxPopupTransientWindow)) );
 401
 402     wxPopupTransientWindow* ptw = (wxPopupTransientWindow*) this;
 403
 404     if ( show != ptw->IsShown() )
 405     {
 406         if ( show )
 407             // We used to do wxPopupTransientWindow::Popup here,
 408             // but this would hide normal Show, which we are
 409             // also going to need.
 410             ptw->Show();
 411         else
 412             ptw->Dismiss();
 413     }
 414
 415     m_inShow--;
 416
 417     return true;
 418 }
 419
 420 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event)
 421 {
 422     return wxPopupTransientWindow::ProcessLeftDown(event);
 423 }
 424
 425 // First thing that happens when a transient popup closes is that this method gets called.
 426 void wxComboPopupWindow::OnDismiss()
 427 {
 428     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 429     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 430                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 431
 432     combo->OnPopupDismiss(true);
 433 }
 434 #endif // USES_WXPOPUPTRANSIENTWINDOW
 435
 436
 437 // ----------------------------------------------------------------------------
 438 // wxComboPopupWindowEvtHandler does bulk of the custom event handling
 439 // of a popup window. It is separate so we can have different types
 440 // of popup windows.
 441 // ----------------------------------------------------------------------------
 442
 443 class wxComboPopupWindowEvtHandler : public wxEvtHandler
 444 {
 445 public:
 446
 447     wxComboPopupWindowEvtHandler( wxComboCtrlBase *parent )
 448     {
 449         m_combo = parent;
 450     }
 451
 452     void OnSizeEvent( wxSizeEvent& event );
 453     void OnKeyEvent(wxKeyEvent& event);
 454 #if USES_GENERICTLW
 455     void OnActivate( wxActivateEvent& event );
 456 #endif
 457
 458 private:
 459     wxComboCtrlBase*    m_combo;
 460
 461     DECLARE_EVENT_TABLE()
 462 };
 463
 464
 465 BEGIN_EVENT_TABLE(wxComboPopupWindowEvtHandler, wxEvtHandler)
 466     EVT_KEY_DOWN(wxComboPopupWindowEvtHandler::OnKeyEvent)
 467     EVT_KEY_UP(wxComboPopupWindowEvtHandler::OnKeyEvent)
 468 #if USES_GENERICTLW
 469     EVT_ACTIVATE(wxComboPopupWindowEvtHandler::OnActivate)
 470 #endif
 471     EVT_SIZE(wxComboPopupWindowEvtHandler::OnSizeEvent)
 472 END_EVENT_TABLE()
 473
 474
 475 void wxComboPopupWindowEvtHandler::OnSizeEvent( wxSizeEvent& WXUNUSED(event) )
 476 {
 477     // Block the event so that the popup control does not get auto-resized.
 478 }
 479
 480 void wxComboPopupWindowEvtHandler::OnKeyEvent( wxKeyEvent& event )
 481 {
 482     // Relay keyboard event to the main child controls
 483     wxWindowList children = m_combo->GetPopupWindow()->GetChildren();
 484     wxWindowList::iterator node = children.begin();
 485     wxWindow* child = (wxWindow*)*node;
 486     child->GetEventHandler()->AddPendingEvent(event);
 487 }
 488
 489 #if USES_GENERICTLW
 490 void wxComboPopupWindowEvtHandler::OnActivate( wxActivateEvent& event )
 491 {
 492     if ( !event.GetActive() )
 493     {
 494         // Tell combo control that we are dismissed.
 495         m_combo->HidePopup(true);
 496
 497         event.Skip();
 498     }
 499 }
 500 #endif
 501
 502
 503 // ----------------------------------------------------------------------------
 504 // wxComboPopup
 505 //
 506 // ----------------------------------------------------------------------------
 507
 508 wxComboPopup::~wxComboPopup()
 509 {
 510 }
 511
 512 void wxComboPopup::OnPopup()
 513 {
 514 }
 515
 516 void wxComboPopup::OnDismiss()
 517 {
 518 }
 519
 520 wxComboCtrl* wxComboPopup::GetComboCtrl() const
 521 {
 522     return wxStaticCast(m_combo, wxComboCtrl);
 523 }
 524
 525 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 526                                       int prefHeight,
 527                                       int WXUNUSED(maxHeight) )
 528 {
 529     return wxSize(minWidth,prefHeight);
 530 }
 531
 532 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 533                                              wxDC& dc, const wxRect& rect )
 534 {
 535     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 536     {
 537         combo->PrepareBackground(dc,rect,0);
 538
 539         dc.DrawText( combo->GetValue(),
 540                      rect.x + combo->m_marginLeft,
 541                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 542     }
 543 }
 544
 545 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 546 {
 547     DefaultPaintComboControl(m_combo,dc,rect);
 548 }
 549
 550 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 551 {
 552     event.Skip();
 553 }
 554
 555 void wxComboPopup::OnComboDoubleClick()
 556 {
 557 }
 558
 559 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 560 {
 561 }
 562
 563 bool wxComboPopup::LazyCreate()
 564 {
 565     return false;
 566 }
 567
 568 void wxComboPopup::Dismiss()
 569 {
 570     m_combo->HidePopup(true);
 571 }
 572
 573 // ----------------------------------------------------------------------------
 574 // input handling
 575 // ----------------------------------------------------------------------------
 576
 577 //
 578 // This is pushed to the event handler queue of the child textctrl.
 579 //
 580 class wxComboBoxExtraInputHandler : public wxEvtHandler
 581 {
 582 public:
 583
 584     wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
 585         : wxEvtHandler()
 586     {
 587         m_combo = combo;
 588     }
 589     virtual ~wxComboBoxExtraInputHandler() { }
 590     void OnKey(wxKeyEvent& event);
 591     void OnFocus(wxFocusEvent& event);
 592
 593 protected:
 594     wxComboCtrlBase*   m_combo;
 595
 596 private:
 597     DECLARE_EVENT_TABLE()
 598 };
 599
 600
 601 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
 602     EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
 603     EVT_KEY_UP(wxComboBoxExtraInputHandler::OnKey)
 604     EVT_CHAR(wxComboBoxExtraInputHandler::OnKey)
 605     EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 606     EVT_KILL_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 607 END_EVENT_TABLE()
 608
 609
 610 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 611 {
 612     // Let the wxComboCtrl event handler have a go first.
 613     wxComboCtrlBase* combo = m_combo;
 614
 615     wxKeyEvent redirectedEvent(event);
 616     redirectedEvent.SetId(combo->GetId());
 617     redirectedEvent.SetEventObject(combo);
 618
 619     if ( !combo->GetEventHandler()->ProcessEvent(redirectedEvent) )
 620     {
 621         // Don't let TAB through to the text ctrl - looks ugly
 622         if ( event.GetKeyCode() != WXK_TAB )
 623             event.Skip();
 624     }
 625 }
 626
 627 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
 628 {
 629     // FIXME: This code does run when control is clicked,
 630     //        yet on Windows it doesn't select all the text.
 631     if ( event.GetEventType() == wxEVT_SET_FOCUS &&
 632         !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
 633     {
 634         if ( m_combo->GetTextCtrl() )
 635             m_combo->GetTextCtrl()->SelectAll();
 636         else
 637             m_combo->SetSelection(-1,-1);
 638     }
 639
 640     // Send focus indication to parent.
 641     // NB: This is needed for cases where the textctrl gets focus
 642     //     instead of its parent. While this may trigger multiple
 643     //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
 644     //     from combo's focus event handler), they should be quite
 645     //     harmless.
 646     wxFocusEvent evt2(event.GetEventType(),m_combo->GetId());
 647     evt2.SetEventObject(m_combo);
 648     m_combo->GetEventHandler()->ProcessEvent(evt2);
 649
 650     event.Skip();
 651 }
 652
 653
 654 //
 655 // This is pushed to the event handler queue of the control in popup.
 656 //
 657
 658 class wxComboPopupExtraEventHandler : public wxEvtHandler
 659 {
 660 public:
 661
 662     wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
 663         : wxEvtHandler()
 664     {
 665         m_combo = combo;
 666         m_beenInside = false;
 667     }
 668     virtual ~wxComboPopupExtraEventHandler() { }
 669
 670     void OnMouseEvent( wxMouseEvent& event );
 671
 672     // Called from wxComboCtrlBase::OnPopupDismiss
 673     void OnPopupDismiss()
 674     {
 675         m_beenInside = false;
 676     }
 677
 678 protected:
 679     wxComboCtrlBase*     m_combo;
 680
 681     bool                    m_beenInside;
 682
 683 private:
 684     DECLARE_EVENT_TABLE()
 685 };
 686
 687
 688 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
 689     EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
 690 END_EVENT_TABLE()
 691
 692
 693 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
 694 {
 695     wxPoint pt = event.GetPosition();
 696     wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
 697     int evtType = event.GetEventType();
 698     bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
 699     bool relayToButton = false;
 700
 701     event.Skip();
 702
 703     if ( evtType == wxEVT_MOTION ||
 704          evtType == wxEVT_LEFT_DOWN ||
 705          evtType == wxEVT_RIGHT_DOWN )
 706     {
 707         // Block motion and click events outside the popup
 708         if ( !isInside || !m_combo->IsPopupShown() )
 709         {
 710             event.Skip(false);
 711         }
 712     }
 713     else if ( evtType == wxEVT_LEFT_UP )
 714     {
 715         if ( !m_combo->IsPopupShown() )
 716         {
 717             event.Skip(false);
 718             relayToButton = true;
 719         }
 720         else if ( !m_beenInside )
 721         {
 722             if ( isInside )
 723             {
 724                 m_beenInside = true;
 725             }
 726             else
 727             {
 728                 relayToButton = true;
 729             }
 730         }
 731     }
 732
 733     if ( relayToButton )
 734     {
 735         //
 736         // Some mouse events to popup that happen outside it, before cursor
 737         // has been inside the popup, need to be ignored by it but relayed to
 738         // the dropbutton.
 739         //
 740         wxWindow* eventSink = m_combo;
 741         wxWindow* btn = m_combo->GetButton();
 742         if ( btn )
 743             eventSink = btn;
 744
 745         eventSink->GetEventHandler()->ProcessEvent(event);
 746     }
 747 }
 748
 749 // ----------------------------------------------------------------------------
 750 // wxComboCtrlTextCtrl
 751 // ----------------------------------------------------------------------------
 752
 753 class wxComboCtrlTextCtrl : public wxTextCtrl
 754 {
 755 public:
 756     wxComboCtrlTextCtrl() : wxTextCtrl() { }
 757     virtual ~wxComboCtrlTextCtrl() { }
 758
 759     virtual wxWindow *GetMainWindowOfCompositeControl()
 760     {
 761         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 762
 763         // Returning this instead of just 'parent' lets FindFocus work
 764         // correctly even when parent control is a child of a composite
 765         // generic control (as is case with wxGenericDatePickerCtrl).
 766         return combo->GetMainWindowOfCompositeControl();
 767     }
 768 };
 769
 770 // ----------------------------------------------------------------------------
 771 // wxComboCtrlBase
 772 // ----------------------------------------------------------------------------
 773
 774
 775 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
 776     EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 777     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
 778     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
 779     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
 780     EVT_IDLE(wxComboCtrlBase::OnIdleEvent)
 781     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
 782     EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
 783     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 784     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 785 END_EVENT_TABLE()
 786
 787
 788 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
 789
 790 void wxComboCtrlBase::Init()
 791 {
 792     m_winPopup = NULL;
 793     m_popup = NULL;
 794     m_popupWinState = Hidden;
 795     m_btn = NULL;
 796     m_text = NULL;
 797     m_popupInterface = NULL;
 798
 799     m_popupExtraHandler = NULL;
 800     m_textEvtHandler = NULL;
 801
 802 #if INSTALL_TOPLEV_HANDLER
 803     m_toplevEvtHandler = NULL;
 804 #endif
 805
 806     m_mainCtrlWnd = this;
 807
 808     m_heightPopup = -1;
 809     m_widthMinPopup = -1;
 810     m_anchorSide = 0;
 811     m_widthCustomPaint = 0;
 812     m_widthCustomBorder = 0;
 813
 814     m_btnState = 0;
 815     m_btnWidDefault = 0;
 816     m_blankButtonBg = false;
 817     m_ignoreEvtText = 0;
 818     m_popupWinType = POPUPWIN_NONE;
 819     m_btnWid = m_btnHei = -1;
 820     m_btnSide = wxRIGHT;
 821     m_btnSpacingX = 0;
 822
 823     m_extLeft = 0;
 824     m_extRight = 0;
 825     m_marginLeft = -1;
 826     m_iFlags = 0;
 827     m_timeCanAcceptClick = 0;
 828
 829     m_resetFocus = false;
 830 }
 831
 832 bool wxComboCtrlBase::Create(wxWindow *parent,
 833                              wxWindowID id,
 834                              const wxString& value,
 835                              const wxPoint& pos,
 836                              const wxSize& size,
 837                              long style,
 838                              const wxValidator& validator,
 839                              const wxString& name)
 840 {
 841     if ( !wxControl::Create(parent,
 842                             id,
 843                             pos,
 844                             size,
 845                             style | wxWANTS_CHARS,
 846                             validator,
 847                             name) )
 848         return false;
 849
 850     m_valueString = value;
 851
 852     // Get colours
 853     OnThemeChange();
 854     m_marginLeft = GetNativeTextIndent();
 855
 856     m_iFlags |= wxCC_IFLAG_CREATED;
 857
 858     // If x and y indicate valid size, wxSizeEvent won't be
 859     // emitted automatically, so we need to add artifical one.
 860     if ( size.x > 0 && size.y > 0 )
 861     {
 862         wxSizeEvent evt(size,GetId());
 863         GetEventHandler()->AddPendingEvent(evt);
 864     }
 865
 866     return true;
 867 }
 868
 869 void wxComboCtrlBase::InstallInputHandlers()
 870 {
 871     if ( m_text )
 872     {
 873         m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
 874         m_text->PushEventHandler(m_textEvtHandler);
 875     }
 876 }
 877
 878 void
 879 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
 880 {
 881     if ( !(m_windowStyle & wxCB_READONLY) )
 882     {
 883         if ( m_text )
 884             m_text->Destroy();
 885
 886         // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
 887         // not used by the wxPropertyGrid and therefore the tab is processed by
 888         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
 889         // navigation event is then sent to the wrong window.
 890         style |= wxTE_PROCESS_TAB;
 891
 892         if ( HasFlag(wxTE_PROCESS_ENTER) )
 893             style |= wxTE_PROCESS_ENTER;
 894
 895         // Ignore EVT_TEXT generated by the constructor (but only
 896         // if the event redirector already exists)
 897         // NB: This must be " = 1" instead of "++";
 898         if ( m_textEvtHandler )
 899             m_ignoreEvtText = 1;
 900         else
 901             m_ignoreEvtText = 0;
 902
 903         m_text = new wxComboCtrlTextCtrl();
 904         m_text->Create(this, wxID_ANY, m_valueString,
 905                        wxDefaultPosition, wxSize(10,-1),
 906                        style, validator);
 907     }
 908 }
 909
 910 void wxComboCtrlBase::OnThemeChange()
 911 {
 912     // Leave the default bg on the Mac so the area used by the focus ring will
 913     // be the correct colour and themed brush.  Instead we'll use
 914     // wxSYS_COLOUR_WINDOW in the EVT_PAINT handler as needed.
 915 #ifndef __WXMAC__
 916   #if defined(__WXMSW__) || defined(__WXGTK__)
 917     wxVisualAttributes vattrs = wxComboBox::GetClassDefaultAttributes();
 918   #else
 919     wxVisualAttributes vattrs;
 920     vattrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
 921     vattrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
 922   #endif
 923
 924     // Only change the colours if application has not specified
 925     // custom ones.
 926     if ( !m_hasFgCol )
 927     {
 928         SetOwnForegroundColour(vattrs.colFg);
 929         m_hasFgCol = false;
 930     }
 931     if ( !m_hasBgCol )
 932     {
 933         SetOwnBackgroundColour(vattrs.colBg);
 934         m_hasBgCol = false;
 935     }
 936 #endif // !__WXMAC__
 937 }
 938
 939 wxComboCtrlBase::~wxComboCtrlBase()
 940 {
 941     if ( HasCapture() )
 942         ReleaseMouse();
 943
 944 #if INSTALL_TOPLEV_HANDLER
 945     delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
 946     m_toplevEvtHandler = NULL;
 947 #endif
 948
 949     DestroyPopup();
 950
 951     if ( m_text )
 952         m_text->RemoveEventHandler(m_textEvtHandler);
 953
 954     delete m_textEvtHandler;
 955 }
 956
 957
 958 // ----------------------------------------------------------------------------
 959 // geometry stuff
 960 // ----------------------------------------------------------------------------
 961
 962 // Recalculates button and textctrl areas
 963 void wxComboCtrlBase::CalculateAreas( int btnWidth )
 964 {
 965     wxSize sz = GetClientSize();
 966     int customBorder = m_widthCustomBorder;
 967     int btnBorder; // border for button only
 968
 969     // check if button should really be outside the border: we'll do it it if
 970     // its platform default or bitmap+pushbutton background is used, but not if
 971     // there is vertical size adjustment or horizontal spacing.
 972     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
 973                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
 974          m_btnSpacingX == 0 &&
 975          m_btnHei <= 0 )
 976     {
 977         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
 978         btnBorder = 0;
 979     }
 980     else if ( (m_iFlags & wxCC_BUTTON_COVERS_BORDER) &&
 981               m_btnSpacingX == 0 && !m_bmpNormal.Ok() )
 982     {
 983         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 984         btnBorder = 0;
 985     }
 986     else
 987     {
 988         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 989         btnBorder = customBorder;
 990     }
 991
 992     // Defaul indentation
 993     if ( m_marginLeft < 0 )
 994         m_marginLeft = GetNativeTextIndent();
 995
 996     int butWidth = btnWidth;
 997
 998     if ( butWidth <= 0 )
 999         butWidth = m_btnWidDefault;
1000     else
1001         m_btnWidDefault = butWidth;
1002
1003     if ( butWidth <= 0 )
1004         return;
1005
1006     int butHeight = sz.y - btnBorder*2;
1007
1008     // Adjust button width
1009     if ( m_btnWid > 0 )
1010         butWidth = m_btnWid;
1011     else
1012     {
1013         // Adjust button width to match aspect ratio
1014         // (but only if control is smaller than best size).
1015         int bestHeight = GetBestSize().y;
1016         int height = GetSize().y;
1017
1018         if ( height < bestHeight )
1019         {
1020             // Make very small buttons square, as it makes
1021             // them accommodate arrow image better and still
1022             // looks decent.
1023             if ( height > 18 )
1024                 butWidth = (height*butWidth)/bestHeight;
1025             else
1026                 butWidth = butHeight;
1027         }
1028     }
1029
1030     // Adjust button height
1031     if ( m_btnHei > 0 )
1032         butHeight = m_btnHei;
1033
1034     // Use size of normal bitmap if...
1035     //   It is larger
1036     //   OR
1037     //   button width is set to default and blank button bg is not drawn
1038     if ( m_bmpNormal.Ok() )
1039     {
1040         int bmpReqWidth = m_bmpNormal.GetWidth();
1041         int bmpReqHeight = m_bmpNormal.GetHeight();
1042
1043         // If drawing blank button background, we need to add some margin.
1044         if ( m_blankButtonBg )
1045         {
1046             bmpReqWidth += BMP_BUTTON_MARGIN*2;
1047             bmpReqHeight += BMP_BUTTON_MARGIN*2;
1048         }
1049
1050         if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
1051             butWidth = bmpReqWidth;
1052         if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
1053             butHeight = bmpReqHeight;
1054
1055         // Need to fix height?
1056         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
1057         {
1058             int newY = butHeight+(customBorder*2);
1059             SetClientSize(wxDefaultCoord,newY);
1060             if ( m_bmpNormal.Ok() || m_btnArea.width != butWidth || m_btnArea.height != butHeight )
1061                 m_iFlags |= wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
1062             else
1063                 m_iFlags &= ~wxCC_IFLAG_HAS_NONSTANDARD_BUTTON;
1064
1065             sz.y = newY;
1066         }
1067     }
1068
1069     int butAreaWid = butWidth + (m_btnSpacingX*2);
1070
1071     m_btnSize.x = butWidth;
1072     m_btnSize.y = butHeight;
1073
1074     m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
1075     m_btnArea.y = btnBorder + FOCUS_RING;
1076     m_btnArea.width = butAreaWid;
1077     m_btnArea.height = sz.y - ((btnBorder+FOCUS_RING)*2);
1078
1079     m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder + FOCUS_RING;
1080     m_tcArea.y = customBorder + FOCUS_RING;
1081     m_tcArea.width = sz.x - butAreaWid - (customBorder*2) - (FOCUS_RING*2);
1082     m_tcArea.height = sz.y - ((customBorder+FOCUS_RING)*2);
1083
1084 /*
1085     if ( m_text )
1086     {
1087         ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
1088                        wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
1089     }
1090 */
1091 }
1092
1093 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
1094 {
1095     if ( !m_text )
1096         return;
1097
1098     wxSize sz = GetClientSize();
1099
1100     int customBorder = m_widthCustomBorder;
1101     if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
1102     {
1103         int x;
1104
1105         if ( !m_widthCustomPaint )
1106         {
1107             // No special custom paint area - we can use 0 left margin
1108             // with wxTextCtrl.
1109             if ( m_text->SetMargins(0) )
1110                 textCtrlXAdjust = 0;
1111             x = m_tcArea.x + m_marginLeft + textCtrlXAdjust;
1112         }
1113         else
1114         {
1115             // There is special custom paint area - it is better to
1116             // use some margin with the wxTextCtrl.
1117             m_text->SetMargins(m_marginLeft);
1118             x = m_tcArea.x + m_widthCustomPaint +
1119                 m_marginLeft + textCtrlXAdjust;
1120         }
1121
1122         // Centre textctrl vertically, if needed
1123 #if !TEXTCTRL_TEXT_CENTERED
1124         int tcSizeY = m_text->GetBestSize().y;
1125         int diff0 = sz.y - tcSizeY;
1126         int y = textCtrlYAdjust + (diff0/2);
1127 #else
1128         wxUnusedVar(textCtrlYAdjust);
1129         int y = 0;
1130 #endif
1131
1132         if ( y < customBorder )
1133             y = customBorder;
1134
1135         m_text->SetSize(x,
1136                         y,
1137                         m_tcArea.width - m_tcArea.x - x,
1138                         -1 );
1139
1140         // Make sure textctrl doesn't exceed the bottom custom border
1141         wxSize tsz = m_text->GetSize();
1142         int diff1 = (y + tsz.y) - (sz.y - customBorder);
1143         if ( diff1 >= 0 )
1144         {
1145             tsz.y = tsz.y - diff1 - 1;
1146             m_text->SetSize(tsz);
1147         }
1148     }
1149     else
1150     {
1151         // If it has border, have textctrl fill the entire text field.
1152         m_text->SetSize( m_tcArea.x + m_widthCustomPaint,
1153                          m_tcArea.y,
1154                          m_tcArea.width - m_widthCustomPaint,
1155                          m_tcArea.height );
1156     }
1157 }
1158
1159 wxSize wxComboCtrlBase::DoGetBestSize() const
1160 {
1161     wxSize sizeText(150,0);
1162
1163     if ( m_text )
1164         sizeText = m_text->GetBestSize();
1165
1166     // TODO: Better method to calculate close-to-native control height.
1167
1168     int fhei;
1169     if ( m_font.Ok() )
1170         fhei = (m_font.GetPointSize()*2) + 5;
1171     else if ( wxNORMAL_FONT->Ok() )
1172         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
1173     else
1174         fhei = sizeText.y + 4;
1175
1176     // Need to force height to accomodate bitmap?
1177     int btnSizeY = m_btnSize.y;
1178     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
1179         fhei = btnSizeY;
1180
1181     // Control height doesn't depend on border
1182 /*
1183     // Add border
1184     int border = m_windowStyle & wxBORDER_MASK;
1185     if ( border == wxSIMPLE_BORDER )
1186         fhei += 2;
1187     else if ( border == wxNO_BORDER )
1188         fhei += (m_widthCustomBorder*2);
1189     else
1190         // Sunken etc.
1191         fhei += 4;
1192 */
1193
1194     // Final adjustments
1195 #ifdef __WXGTK__
1196     fhei += 1;
1197 #endif
1198
1199 #ifdef __WXMAC__
1200     // these are the numbers from the HIG:
1201     switch ( m_windowVariant )
1202     {
1203         case wxWINDOW_VARIANT_NORMAL:
1204         default :
1205             fhei = 22;
1206             break;
1207         case wxWINDOW_VARIANT_SMALL:
1208             fhei = 19;
1209             break;
1210         case wxWINDOW_VARIANT_MINI:
1211             fhei = 15;
1212             break;
1213     }
1214 #endif
1215
1216     fhei += 2 * FOCUS_RING;
1217     int width = sizeText.x + FOCUS_RING + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH;
1218
1219     wxSize ret(width, fhei);
1220     CacheBestSize(ret);
1221     return ret;
1222 }
1223
1224 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1225 {
1226     if ( !IsCreated() )
1227         return;
1228
1229     // defined by actual wxComboCtrls
1230     OnResize();
1231
1232     event.Skip();
1233 }
1234
1235 // ----------------------------------------------------------------------------
1236 // standard operations
1237 // ----------------------------------------------------------------------------
1238
1239 bool wxComboCtrlBase::Enable(bool enable)
1240 {
1241     if ( !wxControl::Enable(enable) )
1242         return false;
1243
1244     if ( m_btn )
1245         m_btn->Enable(enable);
1246     if ( m_text )
1247         m_text->Enable(enable);
1248
1249     Refresh();
1250
1251     return true;
1252 }
1253
1254 bool wxComboCtrlBase::Show(bool show)
1255 {
1256     if ( !wxControl::Show(show) )
1257         return false;
1258
1259     if (m_btn)
1260         m_btn->Show(show);
1261
1262     if (m_text)
1263         m_text->Show(show);
1264
1265     return true;
1266 }
1267
1268 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1269 {
1270     if ( !wxControl::SetFont(font) )
1271         return false;
1272
1273     if ( m_text )
1274     {
1275         // Without hiding the wxTextCtrl there would be some
1276         // visible 'flicker' (at least on Windows XP).
1277         m_text->Hide();
1278         m_text->SetFont(font);
1279         OnResize();
1280         m_text->Show();
1281     }
1282
1283     return true;
1284 }
1285
1286 #if wxUSE_TOOLTIPS
1287 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1288 {
1289     wxControl::DoSetToolTip(tooltip);
1290
1291     // Set tool tip for button and text box
1292     if ( tooltip )
1293     {
1294         const wxString &tip = tooltip->GetTip();
1295         if ( m_text ) m_text->SetToolTip(tip);
1296         if ( m_btn ) m_btn->SetToolTip(tip);
1297     }
1298     else
1299     {
1300         if ( m_text ) m_text->SetToolTip( NULL );
1301         if ( m_btn ) m_btn->SetToolTip( NULL );
1302     }
1303 }
1304 #endif // wxUSE_TOOLTIPS
1305
1306 #if wxUSE_VALIDATORS
1307 void wxComboCtrlBase::SetValidator(const wxValidator& validator)
1308 {
1309     wxTextCtrl* textCtrl = GetTextCtrl();
1310
1311     if ( textCtrl )
1312         textCtrl->SetValidator( validator );
1313     else
1314         wxControl::SetValidator( validator );
1315 }
1316
1317 wxValidator* wxComboCtrlBase::GetValidator()
1318 {
1319     wxTextCtrl* textCtrl = GetTextCtrl();
1320
1321     return textCtrl ? textCtrl->GetValidator() : wxControl::GetValidator();
1322 }
1323 #endif // wxUSE_VALIDATORS
1324
1325 bool wxComboCtrlBase::SetForegroundColour(const wxColour& colour)
1326 {
1327     if ( wxControl::SetForegroundColour(colour) )
1328     {
1329         if ( m_text )
1330             m_text->SetForegroundColour(colour);
1331         return true;
1332     }
1333     return false;
1334 }
1335
1336 bool wxComboCtrlBase::SetBackgroundColour(const wxColour& colour)
1337 {
1338     if ( wxControl::SetBackgroundColour(colour) )
1339     {
1340         if ( m_text )
1341             m_text->SetBackgroundColour(colour);
1342         return true;
1343     }
1344     return false;
1345 }
1346 // ----------------------------------------------------------------------------
1347 // painting
1348 // ----------------------------------------------------------------------------
1349
1350 #if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
1351 // prepare combo box background on area in a way typical on platform
1352 void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
1353 {
1354     wxSize sz = GetClientSize();
1355     bool isEnabled;
1356     bool doDrawFocusRect; // also selected
1357
1358     // For smaller size control (and for disabled background) use less spacing
1359     int focusSpacingX;
1360     int focusSpacingY;
1361
1362     if ( !(flags & wxCONTROL_ISSUBMENU) )
1363     {
1364         // Drawing control
1365         isEnabled = IsEnabled();
1366         doDrawFocusRect = ShouldDrawFocus() && !(m_iFlags & wxCC_FULL_BUTTON);
1367
1368         // Windows-style: for smaller size control (and for disabled background) use less spacing
1369         focusSpacingX = isEnabled ? 2 : 1;
1370         focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1371     }
1372     else
1373     {
1374         // Drawing a list item
1375         isEnabled = true; // they are never disabled
1376         doDrawFocusRect = (flags & wxCONTROL_SELECTED) != 0;
1377
1378         focusSpacingX = 0;
1379         focusSpacingY = 0;
1380     }
1381
1382     // Set the background sub-rectangle for selection, disabled etc
1383     wxRect selRect(rect);
1384     selRect.y += focusSpacingY;
1385     selRect.height -= (focusSpacingY*2);
1386
1387     int wcp = 0;
1388
1389     if ( !(flags & wxCONTROL_ISSUBMENU) )
1390         wcp += m_widthCustomPaint;
1391
1392     selRect.x += wcp + focusSpacingX;
1393     selRect.width -= wcp + (focusSpacingX*2);
1394
1395     wxColour bgCol;
1396     wxColour fgCol;
1397
1398     bool doDrawSelRect = true;
1399
1400     // Determine foreground colour
1401     if ( isEnabled )
1402     {
1403         if ( doDrawFocusRect )
1404         {
1405             fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
1406         }
1407         else if ( m_hasFgCol )
1408         {
1409             // Honour the custom foreground colour
1410             fgCol = GetForegroundColour();
1411         }
1412         else
1413         {
1414             fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
1415         }
1416     }
1417     else
1418     {
1419         fgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT);
1420     }
1421
1422     // Determine background colour
1423     if ( isEnabled )
1424     {
1425         if ( doDrawFocusRect )
1426         {
1427             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1428         }
1429         else if ( m_hasBgCol )
1430         {
1431             // Honour the custom background colour
1432             bgCol = GetBackgroundColour();
1433         }
1434         else
1435         {
1436 #ifndef __WXMAC__  // see note in OnThemeChange
1437             doDrawSelRect = false;
1438             bgCol = GetBackgroundColour();
1439 #else
1440             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1441 #endif
1442         }
1443     }
1444     else
1445     {
1446 #ifndef __WXMAC__  // see note in OnThemeChange
1447         bgCol = GetBackgroundColour();
1448 #else
1449         bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1450 #endif
1451     }
1452
1453     dc.SetTextForeground( fgCol );
1454     dc.SetBrush( bgCol );
1455     if ( doDrawSelRect )
1456     {
1457         dc.SetPen( bgCol );
1458         dc.DrawRectangle( selRect );
1459     }
1460
1461     // Don't clip exactly to the selection rectangle so we can draw
1462     // to the non-selected area in front of it.
1463     wxRect clipRect(rect.x,rect.y,
1464                     (selRect.x+selRect.width)-rect.x,rect.height);
1465     dc.SetClippingRegion(clipRect);
1466 }
1467 #else
1468 // Save the library size a bit for platforms that re-implement this.
1469 void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
1470 {
1471 }
1472 #endif
1473
1474 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, int flags )
1475 {
1476     int drawState = m_btnState;
1477
1478     if ( (m_iFlags & wxCC_BUTTON_STAYS_DOWN) &&
1479          GetPopupWindowState() >= Animating )
1480         drawState |= wxCONTROL_PRESSED;
1481
1482     wxRect drawRect(rect.x+m_btnSpacingX,
1483                     rect.y+((rect.height-m_btnSize.y)/2),
1484                     m_btnSize.x,
1485                     m_btnSize.y);
1486
1487     // Make sure area is not larger than the control
1488     if ( drawRect.y < rect.y )
1489         drawRect.y = rect.y;
1490     if ( drawRect.height > rect.height )
1491         drawRect.height = rect.height;
1492
1493     bool enabled = IsEnabled();
1494
1495     if ( !enabled )
1496         drawState |= wxCONTROL_DISABLED;
1497
1498     if ( !m_bmpNormal.Ok() )
1499     {
1500         if ( flags & Button_BitmapOnly )
1501             return;
1502
1503         // Need to clear button background even if m_btn is present
1504         if ( flags & Button_PaintBackground )
1505         {
1506             wxColour bgCol;
1507
1508             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1509                 bgCol = GetParent()->GetBackgroundColour();
1510             else
1511                 bgCol = GetBackgroundColour();
1512
1513             dc.SetBrush(bgCol);
1514             dc.SetPen(bgCol);
1515             dc.DrawRectangle(rect);
1516         }
1517
1518         // Draw standard button
1519         wxRendererNative::Get().DrawComboBoxDropButton(this,
1520                                                        dc,
1521                                                        drawRect,
1522                                                        drawState);
1523     }
1524     else
1525     {
1526         // Draw bitmap
1527
1528         wxBitmap* pBmp;
1529
1530         if ( !enabled )
1531             pBmp = &m_bmpDisabled;
1532         else if ( m_btnState & wxCONTROL_PRESSED )
1533             pBmp = &m_bmpPressed;
1534         else if ( m_btnState & wxCONTROL_CURRENT )
1535             pBmp = &m_bmpHover;
1536         else
1537             pBmp = &m_bmpNormal;
1538
1539         if ( m_blankButtonBg )
1540         {
1541             // If using blank button background, we need to clear its background
1542             // with button face colour instead of colour for rest of the control.
1543             if ( flags & Button_PaintBackground )
1544             {
1545                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1546                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1547                 dc.SetPen(bgCol);
1548                 dc.SetBrush(bgCol);
1549                 dc.DrawRectangle(rect);
1550             }
1551
1552             if ( !(flags & Button_BitmapOnly) )
1553             {
1554                 wxRendererNative::Get().DrawPushButton(this,
1555                                                        dc,
1556                                                        drawRect,
1557                                                        drawState);
1558             }
1559         }
1560         else
1561
1562         {
1563             // Need to clear button background even if m_btn is present
1564             // (assume non-button background was cleared just before this call so brushes are good)
1565             if ( flags & Button_PaintBackground )
1566                 dc.DrawRectangle(rect);
1567         }
1568
1569         // Draw bitmap centered in drawRect
1570         dc.DrawBitmap(*pBmp,
1571                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1572                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1573                       true);
1574     }
1575 }
1576
1577 void wxComboCtrlBase::RecalcAndRefresh()
1578 {
1579     if ( IsCreated() )
1580     {
1581         wxSizeEvent evt(GetSize(),GetId());
1582         GetEventHandler()->ProcessEvent(evt);
1583         Refresh();
1584     }
1585 }
1586
1587 // ----------------------------------------------------------------------------
1588 // miscellaneous event handlers
1589 // ----------------------------------------------------------------------------
1590
1591 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1592 {
1593     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1594     {
1595         if ( m_ignoreEvtText > 0 )
1596         {
1597             m_ignoreEvtText--;
1598             return;
1599         }
1600     }
1601
1602     // Change event id, object and string before relaying it forward
1603     event.SetId(GetId());
1604     wxString s = event.GetString();
1605     event.SetEventObject(this);
1606     event.SetString(s);
1607     event.Skip();
1608 }
1609
1610 // call if cursor is on button area or mouse is captured for the button
1611 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1612                                               int flags )
1613 {
1614     int type = event.GetEventType();
1615
1616     if ( type == wxEVT_MOTION )
1617     {
1618         if ( (flags & wxCC_MF_ON_BUTTON) &&
1619              IsPopupWindowState(Hidden) )
1620         {
1621             if ( !(m_btnState & wxCONTROL_CURRENT) )
1622             {
1623                 // Mouse hover begins
1624                 m_btnState |= wxCONTROL_CURRENT;
1625                 if ( HasCapture() ) // Retain pressed state.
1626                     m_btnState |= wxCONTROL_PRESSED;
1627                 Refresh();
1628             }
1629         }
1630         else if ( (m_btnState & wxCONTROL_CURRENT) )
1631         {
1632             // Mouse hover ends
1633             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1634             Refresh();
1635         }
1636     }
1637     else if ( type == wxEVT_LEFT_DOWN || type == wxEVT_LEFT_DCLICK )
1638     {
1639         if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1640         {
1641             m_btnState |= wxCONTROL_PRESSED;
1642             Refresh();
1643
1644             if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1645                 OnButtonClick();
1646             else
1647                 // If showing popup now, do not capture mouse or there will be interference
1648                 CaptureMouse();
1649         }
1650     }
1651     else if ( type == wxEVT_LEFT_UP )
1652     {
1653
1654         // Only accept event if mouse was left-press was previously accepted
1655         if ( HasCapture() )
1656             ReleaseMouse();
1657
1658         if ( m_btnState & wxCONTROL_PRESSED )
1659         {
1660             // If mouse was inside, fire the click event.
1661             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1662             {
1663                 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1664                     OnButtonClick();
1665             }
1666
1667             m_btnState &= ~(wxCONTROL_PRESSED);
1668             Refresh();
1669         }
1670     }
1671     else if ( type == wxEVT_LEAVE_WINDOW )
1672     {
1673         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1674         {
1675             m_btnState &= ~(wxCONTROL_CURRENT);
1676
1677             // Mouse hover ends
1678             if ( IsPopupWindowState(Hidden) )
1679             {
1680                 m_btnState &= ~(wxCONTROL_PRESSED);
1681                 Refresh();
1682             }
1683         }
1684     }
1685     else
1686         return false;
1687
1688     // Never have 'hot' state when popup is being shown
1689     // (this is mostly needed because of the animation).
1690     if ( !IsPopupWindowState(Hidden) )
1691         m_btnState &= ~wxCONTROL_CURRENT;
1692
1693     return true;
1694 }
1695
1696 // returns true if event was consumed or filtered
1697 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1698                                             int WXUNUSED(flags) )
1699 {
1700     wxLongLong t = ::wxGetLocalTimeMillis();
1701     int evtType = event.GetEventType();
1702
1703 #if USES_WXPOPUPWINDOW || USES_GENERICTLW
1704     if ( m_popupWinType != POPUPWIN_WXPOPUPTRANSIENTWINDOW )
1705     {
1706         if ( IsPopupWindowState(Visible) &&
1707              ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
1708         {
1709             HidePopup(true);
1710             return true;
1711         }
1712     }
1713 #endif
1714
1715     // Filter out clicks on button immediately after popup dismiss
1716     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1717     {
1718         event.SetEventType(0);
1719         return true;
1720     }
1721
1722     return false;
1723 }
1724
1725 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1726 {
1727     int evtType = event.GetEventType();
1728
1729     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1730          (m_windowStyle & wxCB_READONLY) )
1731     {
1732         if ( GetPopupWindowState() >= Animating )
1733         {
1734     #if USES_WXPOPUPWINDOW
1735             // Click here always hides the popup.
1736             if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
1737                 HidePopup(true);
1738     #endif
1739         }
1740         else
1741         {
1742             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1743             {
1744                 // In read-only mode, clicking the text is the
1745                 // same as clicking the button.
1746                 OnButtonClick();
1747             }
1748             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1749             {
1750                 //if ( m_popupInterface->CycleValue() )
1751                 //    Refresh();
1752                 if ( m_popupInterface )
1753                     m_popupInterface->OnComboDoubleClick();
1754             }
1755         }
1756     }
1757     else
1758     if ( IsPopupShown() )
1759     {
1760         // relay (some) mouse events to the popup
1761         if ( evtType == wxEVT_MOUSEWHEEL )
1762             m_popup->GetEventHandler()->AddPendingEvent(event);
1763     }
1764     else if ( evtType )
1765         event.Skip();
1766 }
1767
1768 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1769 {
1770     if ( IsPopupShown() )
1771     {
1772         // pass it to the popped up control
1773         GetPopupControl()->GetControl()->GetEventHandler()->AddPendingEvent(event);
1774     }
1775     else // no popup
1776     {
1777         if ( GetParent()->HasFlag(wxTAB_TRAVERSAL) &&
1778              HandleAsNavigationKey(event) )
1779             return;
1780
1781         if ( IsKeyPopupToggle(event) )
1782         {
1783             OnButtonClick();
1784             return;
1785         }
1786
1787         int comboStyle = GetWindowStyle();
1788         wxComboPopup* popupInterface = GetPopupControl();
1789
1790         if ( !popupInterface )
1791         {
1792             event.Skip();
1793             return;
1794         }
1795
1796         int keycode = event.GetKeyCode();
1797
1798         if ( (comboStyle & wxCB_READONLY) ||
1799              (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1800         {
1801             popupInterface->OnComboKeyEvent(event);
1802         }
1803         else
1804             event.Skip();
1805     }
1806 }
1807
1808 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1809 {
1810     if ( event.GetEventType() == wxEVT_SET_FOCUS )
1811     {
1812         wxWindow* tc = GetTextCtrl();
1813         if ( tc && tc != DoFindFocus() )
1814         {
1815             tc->SetFocus();
1816         }
1817     }
1818
1819     Refresh();
1820 }
1821
1822 void wxComboCtrlBase::OnIdleEvent( wxIdleEvent& WXUNUSED(event) )
1823 {
1824     if ( m_resetFocus )
1825     {
1826         m_resetFocus = false;
1827         wxWindow* tc = GetTextCtrl();
1828         if ( tc )
1829             tc->SetFocus();
1830     }
1831 }
1832
1833 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1834 {
1835     OnThemeChange();
1836     // left margin may also have changed
1837     if ( !(m_iFlags & wxCC_IFLAG_LEFT_MARGIN_SET) )
1838         m_marginLeft = GetNativeTextIndent();
1839     RecalcAndRefresh();
1840 }
1841
1842 // ----------------------------------------------------------------------------
1843 // popup handling
1844 // ----------------------------------------------------------------------------
1845
1846 // Create popup window and the child control
1847 void wxComboCtrlBase::CreatePopup()
1848 {
1849     wxComboPopup* popupInterface = m_popupInterface;
1850     wxWindow* popup;
1851
1852     if ( !m_winPopup )
1853     {
1854 #ifdef wxComboPopupWindowBase2
1855         if ( m_iFlags & wxCC_IFLAG_USE_ALT_POPUP )
1856         {
1857         #if !USES_GENERICTLW
1858             m_winPopup = new wxComboPopupWindowBase2( this, wxNO_BORDER );
1859         #else
1860             int tlwFlags = wxNO_BORDER;
1861           #ifdef wxCC_GENERIC_TLW_IS_FRAME
1862             tlwFlags |= wxFRAME_NO_TASKBAR;
1863           #endif
1864
1865           #ifdef wxCC_GENERIC_TLW_IS_NONOWNEDWINDOW
1866             m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY,
1867                                                       wxPoint(-21,-21), wxSize(20, 20),
1868                                                       tlwFlags );
1869           #else
1870             m_winPopup = new wxComboPopupWindowBase2( this, wxID_ANY, wxEmptyString,
1871                                                       wxPoint(-21,-21), wxSize(20, 20),
1872                                                       tlwFlags );
1873           #endif
1874         #endif
1875             m_popupWinType = SECONDARY_POPUP_TYPE;
1876         }
1877         else
1878 #endif // wxComboPopupWindowBase2
1879         {
1880             m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1881             m_popupWinType = PRIMARY_POPUP_TYPE;
1882         }
1883         m_popupWinEvtHandler = new wxComboPopupWindowEvtHandler(this);
1884         m_winPopup->PushEventHandler(m_popupWinEvtHandler);
1885     }
1886
1887     popupInterface->Create(m_winPopup);
1888     m_popup = popup = popupInterface->GetControl();
1889
1890     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1891     popup->PushEventHandler( m_popupExtraHandler );
1892
1893     // This may be helpful on some platforms
1894     //   (eg. it bypasses a wxGTK popupwindow bug where
1895     //    window is not initially hidden when it should be)
1896     m_winPopup->Hide();
1897
1898     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1899 }
1900
1901 // Destroy popup window and the child control
1902 void wxComboCtrlBase::DestroyPopup()
1903 {
1904     HidePopup(true);
1905
1906     if ( m_popup )
1907         m_popup->RemoveEventHandler(m_popupExtraHandler);
1908
1909     delete m_popupExtraHandler;
1910
1911     delete m_popupInterface;
1912
1913     if ( m_winPopup )
1914     {
1915         m_winPopup->RemoveEventHandler(m_popupWinEvtHandler);
1916         delete m_popupWinEvtHandler;
1917         m_popupWinEvtHandler = NULL;
1918         m_winPopup->Destroy();
1919     }
1920
1921     m_popupExtraHandler = NULL;
1922     m_popupInterface = NULL;
1923     m_winPopup = NULL;
1924     m_popup = NULL;
1925 }
1926
1927 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1928 {
1929     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1930
1931     DestroyPopup();
1932
1933     iface->InitBase(this);
1934     iface->Init();
1935
1936     m_popupInterface = iface;
1937
1938     if ( !iface->LazyCreate() )
1939     {
1940         CreatePopup();
1941     }
1942     else
1943     {
1944         m_popup = NULL;
1945     }
1946
1947     // This must be done after creation
1948     if ( m_valueString.length() )
1949     {
1950         iface->SetStringValue(m_valueString);
1951         //Refresh();
1952     }
1953 }
1954
1955 // Ensures there is atleast the default popup
1956 void wxComboCtrlBase::EnsurePopupControl()
1957 {
1958     if ( !m_popupInterface )
1959         SetPopupControl(NULL);
1960 }
1961
1962 void wxComboCtrlBase::OnButtonClick()
1963 {
1964     // Derived classes can override this method for totally custom
1965     // popup action
1966     if ( !IsPopupWindowState(Visible) )
1967     {
1968         wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_DROPDOWN, GetId());
1969         event.SetEventObject(this);
1970         HandleWindowEvent(event);
1971
1972         ShowPopup();
1973     }
1974     else
1975     {
1976         HidePopup(true);
1977     }
1978 }
1979
1980 void wxComboCtrlBase::ShowPopup()
1981 {
1982     EnsurePopupControl();
1983     wxCHECK_RET( !IsPopupWindowState(Visible), wxT("popup window already shown") );
1984
1985     if ( IsPopupWindowState(Animating) )
1986         return;
1987
1988     SetFocus();
1989
1990     // Space above and below
1991     int screenHeight;
1992     wxPoint scrPos;
1993     int spaceAbove;
1994     int spaceBelow;
1995     int maxHeightPopup;
1996     wxSize ctrlSz = GetSize();
1997
1998     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1999     scrPos = GetParent()->ClientToScreen(GetPosition());
2000
2001     spaceAbove = scrPos.y;
2002     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
2003
2004     maxHeightPopup = spaceBelow;
2005     if ( spaceAbove > spaceBelow )
2006         maxHeightPopup = spaceAbove;
2007
2008     // Width
2009     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
2010
2011     if ( widthPopup < m_widthMinPopup )
2012         widthPopup = m_widthMinPopup;
2013
2014     wxWindow* winPopup = m_winPopup;
2015     wxWindow* popup;
2016
2017     // Need to disable tab traversal of parent
2018     //
2019     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
2020     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
2021     //     that if transient popup is open, then tab traversal is to be ignored.
2022     //     However, I think this code would still be needed for cases where
2023     //     transient popup doesn't work yet (wxWinCE?).
2024     wxWindow* parent = GetParent();
2025     int parentFlags = parent->GetWindowStyle();
2026     if ( parentFlags & wxTAB_TRAVERSAL )
2027     {
2028         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
2029         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
2030     }
2031
2032     if ( !winPopup )
2033     {
2034         CreatePopup();
2035         winPopup = m_winPopup;
2036         popup = m_popup;
2037     }
2038     else
2039     {
2040         popup = m_popup;
2041     }
2042
2043     winPopup->Enable();
2044
2045     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
2046
2047     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
2048                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
2049                                                             maxHeightPopup);
2050
2051     popup->SetSize(adjustedSize);
2052     popup->Move(0,0);
2053     m_popupInterface->OnPopup();
2054
2055     //
2056     // Reposition and resize popup window
2057     //
2058
2059     wxSize szp = popup->GetSize();
2060
2061     int popupX;
2062     int popupY = scrPos.y + ctrlSz.y;
2063
2064     // Default anchor is wxLEFT
2065     int anchorSide = m_anchorSide;
2066     if ( !anchorSide )
2067         anchorSide = wxLEFT;
2068
2069     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
2070     int leftX = scrPos.x - m_extLeft;
2071
2072     if ( wxTheApp->GetLayoutDirection() == wxLayout_RightToLeft )
2073         leftX -= ctrlSz.x;
2074
2075     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
2076
2077     // If there is not enough horizontal space, anchor on the other side.
2078     // If there is no space even then, place the popup at x 0.
2079     if ( anchorSide == wxRIGHT )
2080     {
2081         if ( rightX < 0 )
2082         {
2083             if ( (leftX+szp.x) < screenWidth )
2084                 anchorSide = wxLEFT;
2085             else
2086                 anchorSide = 0;
2087         }
2088     }
2089     else
2090     {
2091         if ( (leftX+szp.x) >= screenWidth )
2092         {
2093             if ( rightX >= 0 )
2094                 anchorSide = wxRIGHT;
2095             else
2096                 anchorSide = 0;
2097         }
2098     }
2099
2100     // Select x coordinate according to the anchor side
2101     if ( anchorSide == wxRIGHT )
2102         popupX = rightX;
2103     else if ( anchorSide == wxLEFT )
2104         popupX = leftX;
2105     else
2106         popupX = 0;
2107
2108     int showFlags = CanDeferShow;
2109
2110     if ( spaceBelow < szp.y )
2111     {
2112         popupY = scrPos.y - szp.y;
2113         showFlags |= ShowAbove;
2114     }
2115
2116 #if INSTALL_TOPLEV_HANDLER
2117     // Put top level window event handler into place
2118     if ( m_popupWinType == POPUPWIN_WXPOPUPWINDOW )
2119     {
2120         if ( !m_toplevEvtHandler )
2121             m_toplevEvtHandler = new wxComboFrameEventHandler(this);
2122
2123         wxWindow* toplev = ::wxGetTopLevelParent( this );
2124         wxASSERT( toplev );
2125         ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
2126         toplev->PushEventHandler( m_toplevEvtHandler );
2127     }
2128 #endif
2129
2130     // Set string selection (must be this way instead of SetStringSelection)
2131     if ( m_text )
2132     {
2133         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
2134             m_text->SelectAll();
2135
2136         m_popupInterface->SetStringValue( m_text->GetValue() );
2137     }
2138     else
2139     {
2140         // This is neede since focus/selection indication may change when popup is shown
2141         Refresh();
2142     }
2143
2144     // This must be after SetStringValue
2145     m_popupWinState = Animating;
2146
2147     wxRect popupWinRect( popupX, popupY, szp.x, szp.y );
2148
2149     m_popup = popup;
2150     if ( (m_iFlags & wxCC_IFLAG_DISABLE_POPUP_ANIM) ||
2151          AnimateShow( popupWinRect, showFlags ) )
2152     {
2153         DoShowPopup( popupWinRect, showFlags );
2154     }
2155 }
2156
2157 bool wxComboCtrlBase::AnimateShow( const wxRect& WXUNUSED(rect), int WXUNUSED(flags) )
2158 {
2159     return true;
2160 }
2161
2162 void wxComboCtrlBase::DoShowPopup( const wxRect& rect, int WXUNUSED(flags) )
2163 {
2164     wxWindow* winPopup = m_winPopup;
2165
2166     if ( IsPopupWindowState(Animating) )
2167     {
2168         // Make sure the popup window is shown in the right position.
2169         // Should not matter even if animation already did this.
2170
2171         // Some platforms (GTK) may like SetSize and Move to be separate
2172         // (though the bug was probably fixed).
2173         winPopup->SetSize( rect );
2174
2175 #if USES_WXPOPUPTRANSIENTWINDOW
2176         if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
2177             ((wxPopupTransientWindow*)winPopup)->Popup(m_popup);
2178         else
2179 #endif
2180             winPopup->Show();
2181
2182         m_popupWinState = Visible;
2183     }
2184     else if ( IsPopupWindowState(Hidden) )
2185     {
2186         // Animation was aborted
2187
2188         wxASSERT( !winPopup->IsShown() );
2189
2190         m_popupWinState = Hidden;
2191     }
2192
2193     Refresh();
2194 }
2195
2196 void wxComboCtrlBase::OnPopupDismiss(bool generateEvent)
2197 {
2198     // Just in case, avoid double dismiss
2199     if ( IsPopupWindowState(Hidden) )
2200         return;
2201
2202     // This must be set before focus - otherwise there will be recursive
2203     // OnPopupDismisses.
2204     m_popupWinState = Hidden;
2205
2206     //SetFocus();
2207     m_winPopup->Disable();
2208
2209     // Inform popup control itself
2210     m_popupInterface->OnDismiss();
2211
2212     if ( m_popupExtraHandler )
2213         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
2214
2215 #if INSTALL_TOPLEV_HANDLER
2216     // Remove top level window event handler
2217     if ( m_toplevEvtHandler )
2218     {
2219         wxWindow* toplev = ::wxGetTopLevelParent( this );
2220         if ( toplev )
2221             toplev->RemoveEventHandler( m_toplevEvtHandler );
2222     }
2223 #endif
2224
2225     m_timeCanAcceptClick = ::wxGetLocalTimeMillis();
2226
2227     if ( m_popupWinType == POPUPWIN_WXPOPUPTRANSIENTWINDOW )
2228         m_timeCanAcceptClick += 150;
2229
2230     // If cursor not on dropdown button, then clear its state
2231     // (technically not required by all ports, but do it for all just in case)
2232     if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
2233         m_btnState = 0;
2234
2235     // Return parent's tab traversal flag.
2236     // See ShowPopup for notes.
2237     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
2238     {
2239         wxWindow* parent = GetParent();
2240         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
2241         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
2242     }
2243
2244     // refresh control (necessary even if m_text)
2245     Refresh();
2246
2247     SetFocus();
2248
2249     if ( generateEvent )
2250     {
2251         wxCommandEvent event(wxEVT_COMMAND_COMBOBOX_CLOSEUP, GetId());
2252         event.SetEventObject(this);
2253         HandleWindowEvent(event);
2254     }
2255 }
2256
2257 void wxComboCtrlBase::HidePopup(bool generateEvent)
2258 {
2259     // Should be able to call this without popup interface
2260     if ( IsPopupWindowState(Hidden) )
2261         return;
2262
2263     // transfer value and show it in textctrl, if any
2264     if ( !IsPopupWindowState(Animating) )
2265         SetValue( m_popupInterface->GetStringValue() );
2266
2267     m_winPopup->Hide();
2268
2269     OnPopupDismiss(generateEvent);
2270 }
2271
2272 // ----------------------------------------------------------------------------
2273 // customization methods
2274 // ----------------------------------------------------------------------------
2275
2276 void wxComboCtrlBase::SetButtonPosition( int width, int height,
2277                                          int side, int spacingX )
2278 {
2279     m_btnWid = width;
2280     m_btnHei = height;
2281     m_btnSide = side;
2282     m_btnSpacingX = spacingX;
2283
2284     RecalcAndRefresh();
2285 }
2286
2287 wxSize wxComboCtrlBase::GetButtonSize()
2288 {
2289     if ( m_btnSize.x > 0 )
2290         return m_btnSize;
2291
2292     wxSize retSize(m_btnWid,m_btnHei);
2293
2294     // Need to call CalculateAreas now if button size is
2295     // is not explicitly specified.
2296     if ( retSize.x <= 0 || retSize.y <= 0)
2297     {
2298         OnResize();
2299
2300         retSize = m_btnSize;
2301     }
2302
2303     return retSize;
2304 }
2305
2306 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
2307                                            bool blankButtonBg,
2308                                            const wxBitmap& bmpPressed,
2309                                            const wxBitmap& bmpHover,
2310                                            const wxBitmap& bmpDisabled )
2311 {
2312     m_bmpNormal = bmpNormal;
2313     m_blankButtonBg = blankButtonBg;
2314
2315     if ( bmpPressed.Ok() )
2316         m_bmpPressed = bmpPressed;
2317     else
2318         m_bmpPressed = bmpNormal;
2319
2320     if ( bmpHover.Ok() )
2321         m_bmpHover = bmpHover;
2322     else
2323         m_bmpHover = bmpNormal;
2324
2325     if ( bmpDisabled.Ok() )
2326         m_bmpDisabled = bmpDisabled;
2327     else
2328         m_bmpDisabled = bmpNormal;
2329
2330     RecalcAndRefresh();
2331 }
2332
2333 void wxComboCtrlBase::SetCustomPaintWidth( int width )
2334 {
2335     if ( m_text )
2336     {
2337         // move textctrl accordingly
2338         wxRect r = m_text->GetRect();
2339         int inc = width - m_widthCustomPaint;
2340         r.x += inc;
2341         r.width -= inc;
2342         m_text->SetSize( r );
2343     }
2344
2345     m_widthCustomPaint = width;
2346
2347     RecalcAndRefresh();
2348 }
2349
2350 bool wxComboCtrlBase::DoSetMargins(const wxPoint& margins)
2351 {
2352     // For general sanity's sake, we ignore top margin. Instead
2353     // we will always try to center the text vertically.
2354     bool res = true;
2355
2356     if ( margins.x != -1 )
2357     {
2358         m_marginLeft = margins.x;
2359         m_iFlags |= wxCC_IFLAG_LEFT_MARGIN_SET;
2360     }
2361     else
2362     {
2363         m_marginLeft = GetNativeTextIndent();
2364         m_iFlags &= ~(wxCC_IFLAG_LEFT_MARGIN_SET);
2365     }
2366
2367     if ( margins.y != -1 )
2368     {
2369         res = false;
2370     }
2371
2372     RecalcAndRefresh();
2373
2374     return res;
2375 }
2376
2377 wxPoint wxComboCtrlBase::DoGetMargins() const
2378 {
2379     return wxPoint(m_marginLeft, -1);
2380 }
2381
2382 #if WXWIN_COMPATIBILITY_2_8
2383 void wxComboCtrlBase::SetTextIndent( int indent )
2384 {
2385     if ( indent < 0 )
2386     {
2387         m_marginLeft = GetNativeTextIndent();
2388         m_iFlags &= ~(wxCC_IFLAG_LEFT_MARGIN_SET);
2389     }
2390     else
2391     {
2392         m_marginLeft = indent;
2393         m_iFlags |= wxCC_IFLAG_LEFT_MARGIN_SET;
2394     }
2395
2396     RecalcAndRefresh();
2397 }
2398
2399 wxCoord wxComboCtrlBase::GetTextIndent() const
2400 {
2401     return m_marginLeft;
2402 }
2403 #endif
2404
2405 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
2406 {
2407     return DEFAULT_TEXT_INDENT;
2408 }
2409
2410 // ----------------------------------------------------------------------------
2411 // methods forwarded to wxTextCtrl
2412 // ----------------------------------------------------------------------------
2413
2414 wxString wxComboCtrlBase::GetValue() const
2415 {
2416     if ( m_text )
2417         return m_text->GetValue();
2418     return m_valueString;
2419 }
2420
2421 void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
2422 {
2423     if ( m_text )
2424     {
2425         if ( !withEvent )
2426             m_ignoreEvtText++;
2427
2428         m_text->SetValue(value);
2429
2430         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
2431             m_text->SelectAll();
2432     }
2433
2434     // Since wxComboPopup may want to paint the combo as well, we need
2435     // to set the string value here (as well as sometimes in ShowPopup).
2436     if ( m_valueString != value )
2437     {
2438         m_valueString = value;
2439
2440         EnsurePopupControl();
2441
2442         if (m_popupInterface)
2443             m_popupInterface->SetStringValue(value);
2444     }
2445
2446     Refresh();
2447 }
2448
2449 void wxComboCtrlBase::SetValue(const wxString& value)
2450 {
2451     SetValueWithEvent(value, false);
2452 }
2453
2454 // In this SetValue variant wxComboPopup::SetStringValue is not called
2455 void wxComboCtrlBase::SetText(const wxString& value)
2456 {
2457     // Unlike in SetValue(), this must be called here or
2458     // the behaviour will no be consistent in readonlys.
2459     EnsurePopupControl();
2460
2461     m_valueString = value;
2462
2463     if ( m_text )
2464     {
2465         m_ignoreEvtText++;
2466         m_text->SetValue( value );
2467     }
2468
2469     Refresh();
2470 }
2471
2472 void wxComboCtrlBase::Copy()
2473 {
2474     if ( m_text )
2475         m_text->Copy();
2476 }
2477
2478 void wxComboCtrlBase::Cut()
2479 {
2480     if ( m_text )
2481         m_text->Cut();
2482 }
2483
2484 void wxComboCtrlBase::Paste()
2485 {
2486     if ( m_text )
2487         m_text->Paste();
2488 }
2489
2490 void wxComboCtrlBase::SetInsertionPoint(long pos)
2491 {
2492     if ( m_text )
2493         m_text->SetInsertionPoint(pos);
2494 }
2495
2496 void wxComboCtrlBase::SetInsertionPointEnd()
2497 {
2498     if ( m_text )
2499         m_text->SetInsertionPointEnd();
2500 }
2501
2502 long wxComboCtrlBase::GetInsertionPoint() const
2503 {
2504     if ( m_text )
2505         return m_text->GetInsertionPoint();
2506
2507     return 0;
2508 }
2509
2510 long wxComboCtrlBase::GetLastPosition() const
2511 {
2512     if ( m_text )
2513         return m_text->GetLastPosition();
2514
2515     return 0;
2516 }
2517
2518 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2519 {
2520     if ( m_text )
2521         m_text->Replace(from, to, value);
2522 }
2523
2524 void wxComboCtrlBase::Remove(long from, long to)
2525 {
2526     if ( m_text )
2527         m_text->Remove(from, to);
2528 }
2529
2530 void wxComboCtrlBase::SetSelection(long from, long to)
2531 {
2532     if ( m_text )
2533         m_text->SetSelection(from, to);
2534 }
2535
2536 void wxComboCtrlBase::Undo()
2537 {
2538     if ( m_text )
2539         m_text->Undo();
2540 }
2541
2542 #endif // wxUSE_COMBOCTRL