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