src/common/combocmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/combocmn.cpp
   3 // Purpose:     wxComboCtrlBase
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_COMBOCTRL
  27
  28 #include "wx/combobox.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/settings.h"
  34     #include "wx/dialog.h"
  35     #include "wx/timer.h"
  36 #endif
  37
  38 #include "wx/dcbuffer.h"
  39 #include "wx/tooltip.h"
  40
  41 #include "wx/combo.h"
  42
  43
  44
  45 // constants
  46 // ----------------------------------------------------------------------------
  47
  48 // Milliseconds to wait for two mouse-ups after focus inorder
  49 // to trigger a double-click.
  50 #define DOUBLE_CLICK_CONVERSION_TRESHOLD        500
  51
  52 #define DEFAULT_DROPBUTTON_WIDTH                19
  53
  54 #define BMP_BUTTON_MARGIN                       4
  55
  56 #define DEFAULT_POPUP_HEIGHT                    200
  57
  58 #define DEFAULT_TEXT_INDENT                     3
  59
  60 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  61
  62
  63 #if defined(__WXMSW__)
  64
  65 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  66
  67 //#undef wxUSE_POPUPWIN
  68 //#define wxUSE_POPUPWIN 0
  69
  70 #elif defined(__WXGTK__)
  71
  72 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  73
  74 #elif defined(__WXMAC__)
  75
  76 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  77
  78 #else
  79
  80 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  81
  82 #endif
  83
  84
  85 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
  86 // what the wxUSE_POPUPWIN says.
  87 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
  88 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
  89 #undef wxUSE_POPUPWIN
  90 #define wxUSE_POPUPWIN 0
  91 #endif
  92
  93
  94 #if wxUSE_POPUPWIN
  95     #include "wx/popupwin.h"
  96 #else
  97     #undef USE_TRANSIENT_POPUP
  98     #define USE_TRANSIENT_POPUP 0
  99 #endif
 100
 101
 102 #if USE_TRANSIENT_POPUP
 103
 104     #define wxComboPopupWindowBase wxPopupTransientWindow
 105     #define INSTALL_TOPLEV_HANDLER       0
 106
 107 #elif wxUSE_POPUPWIN
 108
 109     #define wxComboPopupWindowBase wxPopupWindow
 110     #define INSTALL_TOPLEV_HANDLER       1
 111
 112 #else
 113
 114     #define wxComboPopupWindowBase wxDialog
 115     #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
 116
 117 #endif
 118
 119
 120
 121 //
 122 // ** TODO **
 123 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 124 //
 125
 126
 127 // ----------------------------------------------------------------------------
 128 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 129 // in its top level parent.
 130 // ----------------------------------------------------------------------------
 131
 132 #if INSTALL_TOPLEV_HANDLER
 133
 134 //
 135 // This will no longer be necessary after wxTransientPopupWindow
 136 // works well on all platforms.
 137 //
 138
 139 class wxComboFrameEventHandler : public wxEvtHandler
 140 {
 141 public:
 142     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 143     ~wxComboFrameEventHandler();
 144
 145     void OnPopup();
 146
 147     void OnIdle( wxIdleEvent& event );
 148     void OnMouseEvent( wxMouseEvent& event );
 149     void OnActivate( wxActivateEvent& event );
 150     void OnResize( wxSizeEvent& event );
 151     void OnMove( wxMoveEvent& event );
 152     void OnMenuEvent( wxMenuEvent& event );
 153     void OnClose( wxCloseEvent& event );
 154
 155 protected:
 156     wxWindow*                       m_focusStart;
 157     wxComboCtrlBase*     m_combo;
 158
 159 private:
 160     DECLARE_EVENT_TABLE()
 161 };
 162
 163 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 164     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 165     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 166     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 167     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 168     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 169     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 170     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 171     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 172     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 173 END_EVENT_TABLE()
 174
 175 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 176     : wxEvtHandler()
 177 {
 178     m_combo = combo;
 179 }
 180
 181 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 182 {
 183 }
 184
 185 void wxComboFrameEventHandler::OnPopup()
 186 {
 187     m_focusStart = ::wxWindow::FindFocus();
 188 }
 189
 190 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 191 {
 192     wxWindow* winFocused = ::wxWindow::FindFocus();
 193
 194     wxWindow* popup = m_combo->GetPopupControl();
 195     wxWindow* winpopup = m_combo->GetPopupWindow();
 196
 197     if (
 198          winFocused != m_focusStart &&
 199          winFocused != popup &&
 200          winFocused->GetParent() != popup &&
 201          winFocused != winpopup &&
 202          winFocused->GetParent() != winpopup &&
 203          winFocused != m_combo &&
 204          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 205         )
 206     {
 207         m_combo->HidePopup();
 208     }
 209
 210     event.Skip();
 211 }
 212
 213 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 214 {
 215     m_combo->HidePopup();
 216     event.Skip();
 217 }
 218
 219 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 220 {
 221     m_combo->HidePopup();
 222     event.Skip();
 223 }
 224
 225 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 226 {
 227     m_combo->HidePopup();
 228     event.Skip();
 229 }
 230
 231 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 232 {
 233     m_combo->HidePopup();
 234     event.Skip();
 235 }
 236
 237 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 238 {
 239     m_combo->HidePopup();
 240     event.Skip();
 241 }
 242
 243 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 244 {
 245     m_combo->HidePopup();
 246     event.Skip();
 247 }
 248
 249 #endif // INSTALL_TOPLEV_HANDLER
 250
 251 // ----------------------------------------------------------------------------
 252 // wxComboPopupWindow is wxPopupWindow customized for
 253 // wxComboCtrl.
 254 // ----------------------------------------------------------------------------
 255
 256 class wxComboPopupWindow : public wxComboPopupWindowBase
 257 {
 258 public:
 259
 260     wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
 261
 262 #if USE_TRANSIENT_POPUP
 263     virtual bool ProcessLeftDown(wxMouseEvent& event);
 264 #endif
 265
 266     void OnKeyEvent(wxKeyEvent& event);
 267
 268     void OnMouseEvent( wxMouseEvent& event );
 269 #if !wxUSE_POPUPWIN
 270     void OnActivate( wxActivateEvent& event );
 271 #endif
 272
 273 protected:
 274
 275 #if USE_TRANSIENT_POPUP
 276     virtual void OnDismiss();
 277 #endif
 278
 279 private:
 280     DECLARE_EVENT_TABLE()
 281 };
 282
 283
 284 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
 285     EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
 286 #if !wxUSE_POPUPWIN
 287     EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
 288 #endif
 289     EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
 290     EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
 291 END_EVENT_TABLE()
 292
 293
 294 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
 295                                         int style )
 296 #if wxUSE_POPUPWIN
 297                                        : wxComboPopupWindowBase(parent,style)
 298 #else
 299                                        : wxComboPopupWindowBase(parent,
 300                                                                 wxID_ANY,
 301                                                                 wxEmptyString,
 302                                                                 wxPoint(-21,-21),
 303                                                                 wxSize(20,20),
 304                                                                 style)
 305 #endif
 306 {
 307 }
 308
 309 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
 310 {
 311     // Relay keyboard event to the main child controls
 312     // (just skipping may just cause the popup to close)
 313     wxWindowList children = GetChildren();
 314     wxWindowList::iterator node = children.begin();
 315     wxWindow* child = (wxWindow*)*node;
 316     child->AddPendingEvent(event);
 317 }
 318
 319 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
 320 {
 321     event.Skip();
 322 }
 323
 324 #if !wxUSE_POPUPWIN
 325 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
 326 {
 327     if ( !event.GetActive() )
 328     {
 329         // Tell combo control that we are dismissed.
 330         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 331         wxASSERT( combo );
 332         wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
 333
 334         combo->HidePopup();
 335
 336         event.Skip();
 337     }
 338 }
 339 #endif
 340
 341 #if USE_TRANSIENT_POPUP
 342 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
 343 {
 344     return wxComboPopupWindowBase::ProcessLeftDown(event);
 345 }
 346 #endif
 347
 348 #if USE_TRANSIENT_POPUP
 349 // First thing that happens when a transient popup closes is that this method gets called.
 350 void wxComboPopupWindow::OnDismiss()
 351 {
 352     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 353     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 354                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 355
 356     combo->OnPopupDismiss();
 357 }
 358 #endif
 359
 360 // ----------------------------------------------------------------------------
 361 // wxComboPopup
 362 //
 363 // ----------------------------------------------------------------------------
 364
 365 wxComboPopup::~wxComboPopup()
 366 {
 367 }
 368
 369 void wxComboPopup::OnPopup()
 370 {
 371 }
 372
 373 void wxComboPopup::OnDismiss()
 374 {
 375 }
 376
 377 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 378                                       int prefHeight,
 379                                       int WXUNUSED(maxHeight) )
 380 {
 381     return wxSize(minWidth,prefHeight);
 382 }
 383
 384 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 385                                              wxDC& dc, const wxRect& rect )
 386 {
 387     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 388     {
 389         combo->DrawFocusBackground(dc,rect,0);
 390
 391         dc.DrawText( combo->GetValue(),
 392                      rect.x + combo->GetTextIndent(),
 393                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 394     }
 395 }
 396
 397 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 398 {
 399     DefaultPaintComboControl(m_combo,dc,rect);
 400 }
 401
 402 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 403 {
 404     event.Skip();
 405 }
 406
 407 void wxComboPopup::OnComboDoubleClick()
 408 {
 409 }
 410
 411 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 412 {
 413 }
 414
 415 bool wxComboPopup::LazyCreate()
 416 {
 417     return false;
 418 }
 419
 420 void wxComboPopup::Dismiss()
 421 {
 422     m_combo->HidePopup();
 423 }
 424
 425 // ----------------------------------------------------------------------------
 426 // input handling
 427 // ----------------------------------------------------------------------------
 428
 429 //
 430 // This is pushed to the event handler queue of 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     ~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     ~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_downReceived = false;
 650     m_timeCanAcceptClick = 0;
 651 }
 652
 653 bool wxComboCtrlBase::Create(wxWindow *parent,
 654                              wxWindowID id,
 655                              const wxString& value,
 656                              const wxPoint& pos,
 657                              const wxSize& size,
 658                              long style,
 659                              const wxValidator& validator,
 660                              const wxString& name)
 661 {
 662     if ( !wxControl::Create(parent,
 663                             id,
 664                             pos,
 665                             size,
 666                             style | wxWANTS_CHARS,
 667                             validator,
 668                             name) )
 669         return false;
 670
 671     m_valueString = value;
 672
 673     // Get colours
 674     OnThemeChange();
 675     m_absIndent = GetNativeTextIndent();
 676
 677     m_iFlags |= wxCC_IFLAG_CREATED;
 678
 679     // If x and y indicate valid size, wxSizeEvent won't be
 680     // emitted automatically, so we need to add artifical one.
 681     if ( size.x > 0 && size.y > 0 )
 682     {
 683         wxSizeEvent evt(size,GetId());
 684         GetEventHandler()->AddPendingEvent(evt);
 685     }
 686
 687     return true;
 688 }
 689
 690 void wxComboCtrlBase::InstallInputHandlers()
 691 {
 692     if ( m_text )
 693     {
 694         m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
 695         m_text->PushEventHandler(m_textEvtHandler);
 696     }
 697 }
 698
 699 void
 700 wxComboCtrlBase::CreateTextCtrl(int style, const wxValidator& validator)
 701 {
 702     if ( !(m_windowStyle & wxCB_READONLY) )
 703     {
 704         // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
 705         // not used by the wxPropertyGrid and therefore the tab is processed by
 706         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
 707         // navigation event is then sent to the wrong window.
 708         style |= wxTE_PROCESS_TAB;
 709
 710         if ( HasFlag(wxTE_PROCESS_ENTER) )
 711             style |= wxTE_PROCESS_ENTER;
 712
 713         m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
 714                                 wxDefaultPosition, wxDefaultSize,
 715                                 style, validator);
 716
 717         // This is required for some platforms (GTK+ atleast)
 718         m_text->SetSizeHints(2,4);
 719     }
 720 }
 721
 722 void wxComboCtrlBase::OnThemeChange()
 723 {
 724     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 725 }
 726
 727 wxComboCtrlBase::~wxComboCtrlBase()
 728 {
 729     if ( HasCapture() )
 730         ReleaseMouse();
 731
 732     delete gs_doubleBuffer;
 733     gs_doubleBuffer = (wxBitmap*) NULL;
 734
 735 #if INSTALL_TOPLEV_HANDLER
 736     delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
 737     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 738 #endif
 739
 740     DestroyPopup();
 741
 742     if ( m_text )
 743         m_text->RemoveEventHandler(m_textEvtHandler);
 744
 745     delete m_textEvtHandler;
 746 }
 747
 748
 749 // ----------------------------------------------------------------------------
 750 // geometry stuff
 751 // ----------------------------------------------------------------------------
 752
 753 // Recalculates button and textctrl areas
 754 void wxComboCtrlBase::CalculateAreas( int btnWidth )
 755 {
 756     wxSize sz = GetClientSize();
 757     int customBorder = m_widthCustomBorder;
 758     int btnBorder; // border for button only
 759
 760     // check if button should really be outside the border: we'll do it it if
 761     // its platform default or bitmap+pushbutton background is used, but not if
 762     // there is vertical size adjustment or horizontal spacing.
 763     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
 764                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
 765          m_btnSpacingX == 0 &&
 766          m_btnHei <= 0 )
 767     {
 768         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
 769         btnBorder = 0;
 770     }
 771     else
 772     {
 773         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 774         btnBorder = customBorder;
 775     }
 776
 777     // Defaul indentation
 778     if ( m_absIndent < 0 )
 779         m_absIndent = GetNativeTextIndent();
 780
 781     int butWidth = btnWidth;
 782
 783     if ( butWidth <= 0 )
 784         butWidth = m_btnWidDefault;
 785     else
 786         m_btnWidDefault = butWidth;
 787
 788     if ( butWidth <= 0 )
 789         return;
 790
 791     int butHeight = sz.y - btnBorder*2;
 792
 793     // Adjust button width
 794     if ( m_btnWid > 0 )
 795         butWidth = m_btnWid;
 796     else
 797     {
 798         // Adjust button width to match aspect ratio
 799         // (but only if control is smaller than best size).
 800         int bestHeight = GetBestSize().y;
 801         int height = GetSize().y;
 802
 803         if ( height < bestHeight )
 804         {
 805             // Make very small buttons square, as it makes
 806             // them accommodate arrow image better and still
 807             // looks decent.
 808             if ( height > 18 )
 809                 butWidth = (height*butWidth)/bestHeight;
 810             else
 811                 butWidth = butHeight;
 812         }
 813     }
 814
 815     // Adjust button height
 816     if ( m_btnHei > 0 )
 817         butHeight = m_btnHei;
 818
 819     // Use size of normal bitmap if...
 820     //   It is larger
 821     //   OR
 822     //   button width is set to default and blank button bg is not drawn
 823     if ( m_bmpNormal.Ok() )
 824     {
 825         int bmpReqWidth = m_bmpNormal.GetWidth();
 826         int bmpReqHeight = m_bmpNormal.GetHeight();
 827
 828         // If drawing blank button background, we need to add some margin.
 829         if ( m_blankButtonBg )
 830         {
 831             bmpReqWidth += BMP_BUTTON_MARGIN*2;
 832             bmpReqHeight += BMP_BUTTON_MARGIN*2;
 833         }
 834
 835         if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
 836             butWidth = bmpReqWidth;
 837         if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
 838             butHeight = bmpReqHeight;
 839
 840         // Need to fix height?
 841         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
 842         {
 843             int newY = butHeight+(customBorder*2);
 844             SetClientSize(wxDefaultCoord,newY);
 845             sz.y = newY;
 846         }
 847     }
 848
 849     int butAreaWid = butWidth + (m_btnSpacingX*2);
 850
 851     m_btnSize.x = butWidth;
 852     m_btnSize.y = butHeight;
 853
 854     m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
 855     m_btnArea.y = btnBorder;
 856     m_btnArea.width = butAreaWid;
 857     m_btnArea.height = sz.y - (btnBorder*2);
 858
 859     m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
 860     m_tcArea.y = customBorder;
 861     m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
 862     m_tcArea.height = sz.y - (customBorder*2);
 863
 864 /*
 865     if ( m_text )
 866     {
 867         ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
 868                        wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
 869     }
 870 */
 871 }
 872
 873 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
 874 {
 875     if ( !m_text )
 876         return;
 877
 878     wxSize sz = GetClientSize();
 879     int customBorder = m_widthCustomBorder;
 880
 881     if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
 882     {
 883         // Centre textctrl
 884         int tcSizeY = m_text->GetBestSize().y;
 885         int diff = sz.y - tcSizeY;
 886         int y = textCtrlYAdjust + (diff/2);
 887
 888         if ( y < customBorder )
 889             y = customBorder;
 890
 891         m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
 892                          y,
 893                          m_tcArea.width - COMBO_MARGIN -
 894                          (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
 895                          -1 );
 896
 897         // Make sure textctrl doesn't exceed the bottom custom border
 898         wxSize tsz = m_text->GetSize();
 899         diff = (y + tsz.y) - (sz.y - customBorder);
 900         if ( diff >= 0 )
 901         {
 902             tsz.y = tsz.y - diff - 1;
 903             m_text->SetSize(tsz);
 904         }
 905     }
 906     else
 907     {
 908         m_text->SetSize( m_tcArea.x,
 909                          0,
 910                          sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
 911                          sz.y );
 912     }
 913 }
 914
 915 wxSize wxComboCtrlBase::DoGetBestSize() const
 916 {
 917     wxSize sizeText(150,0);
 918
 919     if ( m_text )
 920         sizeText = m_text->GetBestSize();
 921
 922     // TODO: Better method to calculate close-to-native control height.
 923
 924     int fhei;
 925     if ( m_font.Ok() )
 926         fhei = (m_font.GetPointSize()*2) + 5;
 927     else if ( wxNORMAL_FONT->Ok() )
 928         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
 929     else
 930         fhei = sizeText.y + 4;
 931
 932     // Need to force height to accomodate bitmap?
 933     int btnSizeY = m_btnSize.y;
 934     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
 935         fhei = btnSizeY;
 936
 937     // Control height doesn't depend on border
 938 /*
 939     // Add border
 940     int border = m_windowStyle & wxBORDER_MASK;
 941     if ( border == wxSIMPLE_BORDER )
 942         fhei += 2;
 943     else if ( border == wxNO_BORDER )
 944         fhei += (m_widthCustomBorder*2);
 945     else
 946         // Sunken etc.
 947         fhei += 4;
 948 */
 949
 950     // Final adjustments
 951 #ifdef __WXGTK__
 952     fhei += 1;
 953 #endif
 954
 955     wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
 956                fhei);
 957
 958     CacheBestSize(ret);
 959     return ret;
 960 }
 961
 962 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
 963 {
 964     if ( !IsCreated() )
 965         return;
 966
 967     // defined by actual wxComboCtrls
 968     OnResize();
 969
 970     event.Skip();
 971 }
 972
 973 // ----------------------------------------------------------------------------
 974 // standard operations
 975 // ----------------------------------------------------------------------------
 976
 977 bool wxComboCtrlBase::Enable(bool enable)
 978 {
 979     if ( !wxControl::Enable(enable) )
 980         return false;
 981
 982     if ( m_btn )
 983         m_btn->Enable(enable);
 984     if ( m_text )
 985         m_text->Enable(enable);
 986
 987     return true;
 988 }
 989
 990 bool wxComboCtrlBase::Show(bool show)
 991 {
 992     if ( !wxControl::Show(show) )
 993         return false;
 994
 995     if (m_btn)
 996         m_btn->Show(show);
 997
 998     if (m_text)
 999         m_text->Show(show);
1000
1001     return true;
1002 }
1003
1004 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1005 {
1006     if ( !wxControl::SetFont(font) )
1007         return false;
1008
1009     if (m_text)
1010         m_text->SetFont(font);
1011
1012     return true;
1013 }
1014
1015 #if wxUSE_TOOLTIPS
1016 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1017 {
1018     wxControl::DoSetToolTip(tooltip);
1019
1020     // Set tool tip for button and text box
1021     if ( tooltip )
1022     {
1023         const wxString &tip = tooltip->GetTip();
1024         if ( m_text ) m_text->SetToolTip(tip);
1025         if ( m_btn ) m_btn->SetToolTip(tip);
1026     }
1027     else
1028     {
1029         if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1030         if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1031     }
1032 }
1033 #endif // wxUSE_TOOLTIPS
1034
1035 // ----------------------------------------------------------------------------
1036 // painting
1037 // ----------------------------------------------------------------------------
1038
1039 // draw focus background on area in a way typical on platform
1040 void wxComboCtrlBase::DrawFocusBackground( 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
1111 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1112 {
1113     int drawState = m_btnState;
1114
1115 #ifdef __WXGTK__
1116     if ( m_isPopupShown )
1117         drawState |= wxCONTROL_PRESSED;
1118 #endif
1119
1120     wxRect drawRect(rect.x+m_btnSpacingX,
1121                     rect.y+((rect.height-m_btnSize.y)/2),
1122                     m_btnSize.x,
1123                     m_btnSize.y);
1124
1125     // Make sure area is not larger than the control
1126     if ( drawRect.y < rect.y )
1127         drawRect.y = rect.y;
1128     if ( drawRect.height > rect.height )
1129         drawRect.height = rect.height;
1130
1131     bool enabled = IsEnabled();
1132
1133     if ( !enabled )
1134         drawState |= wxCONTROL_DISABLED;
1135
1136     if ( !m_bmpNormal.Ok() )
1137     {
1138         // Need to clear button background even if m_btn is present
1139         if ( paintBg )
1140         {
1141             wxColour bgCol;
1142
1143             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1144                 bgCol = GetParent()->GetBackgroundColour();
1145             else
1146                 bgCol = GetBackgroundColour();
1147
1148             dc.SetBrush(bgCol);
1149             dc.SetPen(bgCol);
1150             dc.DrawRectangle(rect);
1151         }
1152
1153         // Draw standard button
1154         wxRendererNative::Get().DrawComboBoxDropButton(this,
1155                                                        dc,
1156                                                        drawRect,
1157                                                        drawState);
1158     }
1159     else
1160     {
1161         // Draw bitmap
1162
1163         wxBitmap* pBmp;
1164
1165         if ( !enabled )
1166             pBmp = &m_bmpDisabled;
1167         else if ( m_btnState & wxCONTROL_PRESSED )
1168             pBmp = &m_bmpPressed;
1169         else if ( m_btnState & wxCONTROL_CURRENT )
1170             pBmp = &m_bmpHover;
1171         else
1172             pBmp = &m_bmpNormal;
1173
1174         if ( m_blankButtonBg )
1175         {
1176             // If using blank button background, we need to clear its background
1177             // with button face colour instead of colour for rest of the control.
1178             if ( paintBg )
1179             {
1180                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1181                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1182                 dc.SetPen(bgCol);
1183                 dc.SetBrush(bgCol);
1184                 dc.DrawRectangle(rect);
1185             }
1186
1187             wxRendererNative::Get().DrawPushButton(this,
1188                                                    dc,
1189                                                    drawRect,
1190                                                    drawState);
1191
1192         }
1193         else
1194
1195         {
1196             // Need to clear button background even if m_btn is present
1197             // (assume non-button background was cleared just before this call so brushes are good)
1198             if ( paintBg )
1199                 dc.DrawRectangle(rect);
1200         }
1201
1202         // Draw bitmap centered in drawRect
1203         dc.DrawBitmap(*pBmp,
1204                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1205                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1206                       true);
1207     }
1208 }
1209
1210 void wxComboCtrlBase::RecalcAndRefresh()
1211 {
1212     if ( IsCreated() )
1213     {
1214         wxSizeEvent evt(GetSize(),GetId());
1215         GetEventHandler()->ProcessEvent(evt);
1216         Refresh();
1217     }
1218 }
1219
1220 wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
1221 {
1222     // If size is larger, recalculate double buffer bitmap
1223     if ( !gs_doubleBuffer ||
1224          sz.x > gs_doubleBuffer->GetWidth() ||
1225          sz.y > gs_doubleBuffer->GetHeight() )
1226     {
1227         delete gs_doubleBuffer;
1228         gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1229     }
1230     return *gs_doubleBuffer;
1231 }
1232
1233 // ----------------------------------------------------------------------------
1234 // miscellaneous event handlers
1235 // ----------------------------------------------------------------------------
1236
1237 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1238 {
1239     // Change event id, object and string before relaying it forward
1240     event.SetId(GetId());
1241     wxString s = event.GetString();
1242     event.SetEventObject(this);
1243     event.SetString(s);
1244     event.Skip();
1245 }
1246
1247 // call if cursor is on button area or mouse is captured for the button
1248 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1249                                                  int flags )
1250 {
1251     int type = event.GetEventType();
1252
1253     if ( type == wxEVT_MOTION )
1254     {
1255         if ( flags & wxCC_MF_ON_BUTTON )
1256         {
1257             if ( !(m_btnState & wxCONTROL_CURRENT) )
1258             {
1259                 // Mouse hover begins
1260                 m_btnState |= wxCONTROL_CURRENT;
1261                 if ( HasCapture() ) // Retain pressed state.
1262                     m_btnState |= wxCONTROL_PRESSED;
1263                 Refresh();
1264             }
1265         }
1266         else if ( (m_btnState & wxCONTROL_CURRENT) )
1267         {
1268             // Mouse hover ends
1269             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1270             Refresh();
1271         }
1272     }
1273     else if ( type == wxEVT_LEFT_DOWN )
1274     {
1275         // Only accept event if it wasn't right after popup dismiss
1276         //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1277         {
1278             // Need to test this, because it might be outside.
1279             if ( flags & wxCC_MF_ON_BUTTON )
1280             {
1281                 m_btnState |= wxCONTROL_PRESSED;
1282                 Refresh();
1283
1284                 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1285                     OnButtonClick();
1286                 else
1287                     // If showing popup now, do not capture mouse or there will be interference
1288                     CaptureMouse();
1289             }
1290         }
1291         /*else
1292         {
1293             m_btnState = 0;
1294         }*/
1295     }
1296     else if ( type == wxEVT_LEFT_UP )
1297     {
1298
1299         // Only accept event if mouse was left-press was previously accepted
1300         if ( HasCapture() )
1301             ReleaseMouse();
1302
1303         if ( m_btnState & wxCONTROL_PRESSED )
1304         {
1305             // If mouse was inside, fire the click event.
1306             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1307             {
1308                 if ( flags & wxCC_MF_ON_BUTTON )
1309                     OnButtonClick();
1310             }
1311
1312             m_btnState &= ~(wxCONTROL_PRESSED);
1313             Refresh();
1314         }
1315     }
1316     else if ( type == wxEVT_LEAVE_WINDOW )
1317     {
1318         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1319         {
1320             m_btnState &= ~(wxCONTROL_CURRENT);
1321
1322             // Mouse hover ends
1323             if ( !m_isPopupShown )
1324             {
1325                 m_btnState &= ~(wxCONTROL_PRESSED);
1326                 Refresh();
1327             }
1328         }
1329     }
1330     else
1331         return false;
1332
1333     return true;
1334 }
1335
1336 // Conversion to double-clicks and some basic filtering
1337 // returns true if event was consumed or filtered
1338 //bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
1339 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1340                                                int flags )
1341 {
1342     wxLongLong t = ::wxGetLocalTimeMillis();
1343     int evtType = event.GetEventType();
1344
1345     //
1346     // Generate our own double-clicks
1347     // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
1348     if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
1349          !m_isPopupShown &&
1350          //!(handlerFlags & wxCC_MF_ON_BUTTON) )
1351          !(flags & wxCC_MF_ON_BUTTON) )
1352     {
1353         if ( evtType == wxEVT_LEFT_DOWN )
1354         {
1355             // Set value to avoid up-events without corresponding downs
1356             m_downReceived = true;
1357         }
1358         else if ( evtType == wxEVT_LEFT_DCLICK )
1359         {
1360             // We'll make our own double-clicks
1361             //evtType = 0;
1362             event.SetEventType(0);
1363             return true;
1364         }
1365         else if ( evtType == wxEVT_LEFT_UP )
1366         {
1367             if ( m_downReceived || m_timeLastMouseUp == 1 )
1368             {
1369                 wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
1370
1371                 if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
1372                 {
1373                     //type = wxEVT_LEFT_DCLICK;
1374                     event.SetEventType(wxEVT_LEFT_DCLICK);
1375                     m_timeLastMouseUp = 1;
1376                 }
1377                 else
1378                 {
1379                     m_timeLastMouseUp = t;
1380                 }
1381
1382                 //m_downReceived = false;
1383             }
1384         }
1385     }
1386
1387     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1388     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1389     {
1390         event.SetEventType(0);
1391         return true;
1392     }
1393
1394     return false;
1395 }
1396
1397 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1398 {
1399     int evtType = event.GetEventType();
1400
1401     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1402          (m_windowStyle & wxCB_READONLY) )
1403     {
1404         if ( m_isPopupShown )
1405         {
1406     #if !wxUSE_POPUPWIN
1407         // Normally do nothing - evt handler should close it for us
1408     #elif !USE_TRANSIENT_POPUP
1409             // Click here always hides the popup.
1410             HidePopup();
1411     #endif
1412         }
1413         else
1414         {
1415             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1416             {
1417                 // In read-only mode, clicking the text is the
1418                 // same as clicking the button.
1419                 OnButtonClick();
1420             }
1421             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1422             {
1423                 //if ( m_popupInterface->CycleValue() )
1424                 //    Refresh();
1425                 if ( m_popupInterface )
1426                     m_popupInterface->OnComboDoubleClick();
1427             }
1428         }
1429     }
1430     else
1431     if ( m_isPopupShown )
1432     {
1433         // relay (some) mouse events to the popup
1434         if ( evtType == wxEVT_MOUSEWHEEL )
1435             m_popup->AddPendingEvent(event);
1436     }
1437     else if ( evtType )
1438         event.Skip();
1439 }
1440
1441 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1442 {
1443     if ( IsPopupShown() )
1444     {
1445         // pass it to the popped up control
1446         GetPopupControl()->GetControl()->AddPendingEvent(event);
1447     }
1448     else // no popup
1449     {
1450         int keycode = event.GetKeyCode();
1451
1452         if ( keycode == WXK_TAB )
1453         {
1454             wxNavigationKeyEvent evt;
1455             evt.SetFlags(wxNavigationKeyEvent::FromTab|
1456                          (!event.ShiftDown() ? wxNavigationKeyEvent::IsForward
1457                                              : wxNavigationKeyEvent::IsBackward));
1458             evt.SetEventObject(this);
1459             GetParent()->GetEventHandler()->AddPendingEvent(evt);
1460             return;
1461         }
1462
1463         if ( IsKeyPopupToggle(event) )
1464         {
1465             OnButtonClick();
1466             return;
1467         }
1468
1469         int comboStyle = GetWindowStyle();
1470         wxComboPopup* popupInterface = GetPopupControl();
1471
1472         if ( !popupInterface )
1473         {
1474             event.Skip();
1475             return;
1476         }
1477
1478         if ( (comboStyle & wxCB_READONLY) ||
1479              (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1480         {
1481             popupInterface->OnComboKeyEvent(event);
1482         }
1483         else
1484             event.Skip();
1485     }
1486 }
1487
1488 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1489 {
1490     if ( event.GetEventType() == wxEVT_SET_FOCUS )
1491     {
1492         // First click is the first part of double-click
1493         // Some platforms don't generate down-less mouse up-event
1494         // (Windows does, GTK+2 doesn't), so that's why we have
1495         // to do this.
1496         m_timeLastMouseUp = ::wxGetLocalTimeMillis();
1497
1498         if ( m_text && m_text != ::wxWindow::FindFocus() )
1499             m_text->SetFocus();
1500     }
1501
1502     Refresh();
1503 }
1504
1505 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1506 {
1507     OnThemeChange();
1508     // indentation may also have changed
1509     if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1510         m_absIndent = GetNativeTextIndent();
1511     RecalcAndRefresh();
1512 }
1513
1514 // ----------------------------------------------------------------------------
1515 // popup handling
1516 // ----------------------------------------------------------------------------
1517
1518 // Create popup window and the child control
1519 void wxComboCtrlBase::CreatePopup()
1520 {
1521     wxComboPopup* popupInterface = m_popupInterface;
1522     wxWindow* popup;
1523
1524     if ( !m_winPopup )
1525         m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1526
1527     popupInterface->Create(m_winPopup);
1528     m_popup = popup = popupInterface->GetControl();
1529
1530     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1531     popup->PushEventHandler( m_popupExtraHandler );
1532
1533     // This may be helpful on some platforms
1534     //   (eg. it bypasses a wxGTK popupwindow bug where
1535     //    window is not initially hidden when it should be)
1536     m_winPopup->Hide();
1537
1538     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1539 }
1540
1541 // Destroy popup window and the child control
1542 void wxComboCtrlBase::DestroyPopup()
1543 {
1544     if ( m_popup )
1545         m_popup->RemoveEventHandler(m_popupExtraHandler);
1546
1547     delete m_popupExtraHandler;
1548
1549     HidePopup();
1550
1551     delete m_popupInterface;
1552
1553     if ( m_winPopup )
1554         m_winPopup->Destroy();
1555
1556     m_popupExtraHandler = (wxEvtHandler*) NULL;
1557     m_popupInterface = (wxComboPopup*) NULL;
1558     m_winPopup = (wxWindow*) NULL;
1559     m_popup = (wxWindow*) NULL;
1560 }
1561
1562 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1563 {
1564     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1565
1566     DestroyPopup();
1567
1568     iface->InitBase(this);
1569     iface->Init();
1570
1571     m_popupInterface = iface;
1572
1573     if ( !iface->LazyCreate() )
1574     {
1575         CreatePopup();
1576     }
1577     else
1578     {
1579         m_popup = (wxWindow*) NULL;
1580     }
1581
1582     // This must be done after creation
1583     if ( m_valueString.length() )
1584     {
1585         iface->SetStringValue(m_valueString);
1586         //Refresh();
1587     }
1588 }
1589
1590 // Ensures there is atleast the default popup
1591 void wxComboCtrlBase::EnsurePopupControl()
1592 {
1593     if ( !m_popupInterface )
1594         SetPopupControl(NULL);
1595 }
1596
1597 void wxComboCtrlBase::OnButtonClick()
1598 {
1599     // Derived classes can override this method for totally custom
1600     // popup action
1601     ShowPopup();
1602 }
1603
1604 void wxComboCtrlBase::ShowPopup()
1605 {
1606     EnsurePopupControl();
1607     wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1608
1609     SetFocus();
1610
1611     // Space above and below
1612     int screenHeight;
1613     wxPoint scrPos;
1614     int spaceAbove;
1615     int spaceBelow;
1616     int maxHeightPopup;
1617     wxSize ctrlSz = GetSize();
1618
1619     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1620     scrPos = GetParent()->ClientToScreen(GetPosition());
1621
1622     spaceAbove = scrPos.y;
1623     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1624
1625     maxHeightPopup = spaceBelow;
1626     if ( spaceAbove > spaceBelow )
1627         maxHeightPopup = spaceAbove;
1628
1629     // Width
1630     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1631
1632     if ( widthPopup < m_widthMinPopup )
1633         widthPopup = m_widthMinPopup;
1634
1635     wxWindow* winPopup = m_winPopup;
1636     wxWindow* popup;
1637
1638     // Need to disable tab traversal of parent
1639     //
1640     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1641     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1642     //     that if transient popup is open, then tab traversal is to be ignored.
1643     //     However, I think this code would still be needed for cases where
1644     //     transient popup doesn't work yet (wxWinCE?).
1645     wxWindow* parent = GetParent();
1646     int parentFlags = parent->GetWindowStyle();
1647     if ( parentFlags & wxTAB_TRAVERSAL )
1648     {
1649         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1650         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1651     }
1652
1653     if ( !winPopup )
1654     {
1655         CreatePopup();
1656         winPopup = m_winPopup;
1657         popup = m_popup;
1658     }
1659     else
1660     {
1661         popup = m_popup;
1662     }
1663
1664     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1665
1666     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1667                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1668                                                             maxHeightPopup);
1669
1670     popup->SetSize(adjustedSize);
1671     popup->Move(0,0);
1672     m_popupInterface->OnPopup();
1673
1674     //
1675     // Reposition and resize popup window
1676     //
1677
1678     wxSize szp = popup->GetSize();
1679
1680     int popupX;
1681     int popupY = scrPos.y + ctrlSz.y;
1682
1683     // Default anchor is wxLEFT
1684     int anchorSide = m_anchorSide;
1685     if ( !anchorSide )
1686         anchorSide = wxLEFT;
1687
1688     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1689     int leftX = scrPos.x - m_extLeft;
1690     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1691
1692     // If there is not enough horizontal space, anchor on the other side.
1693     // If there is no space even then, place the popup at x 0.
1694     if ( anchorSide == wxRIGHT )
1695     {
1696         if ( rightX < 0 )
1697         {
1698             if ( (leftX+szp.x) < screenWidth )
1699                 anchorSide = wxLEFT;
1700             else
1701                 anchorSide = 0;
1702         }
1703     }
1704     else
1705     {
1706         if ( (leftX+szp.x) >= screenWidth )
1707         {
1708             if ( rightX >= 0 )
1709                 anchorSide = wxRIGHT;
1710             else
1711                 anchorSide = 0;
1712         }
1713     }
1714
1715     // Select x coordinate according to the anchor side
1716     if ( anchorSide == wxRIGHT )
1717         popupX = rightX;
1718     else if ( anchorSide == wxLEFT )
1719         popupX = leftX;
1720     else
1721         popupX = 0;
1722
1723     if ( spaceBelow < szp.y )
1724     {
1725         popupY = scrPos.y - szp.y;
1726     }
1727
1728     // Move to position
1729     //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1730     //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1731
1732     // Some platforms (GTK) may need these two to be separate
1733     winPopup->SetSize( szp.x, szp.y );
1734     winPopup->Move( popupX, popupY );
1735
1736     //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1737
1738     m_popup = popup;
1739
1740     // Set string selection (must be this way instead of SetStringSelection)
1741     if ( m_text )
1742     {
1743         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1744             m_text->SelectAll();
1745
1746         m_popupInterface->SetStringValue( m_text->GetValue() );
1747     }
1748     else
1749     {
1750         // This is neede since focus/selection indication may change when popup is shown
1751         Refresh();
1752     }
1753
1754     // This must be after SetStringValue
1755     m_isPopupShown = true;
1756
1757     // Show it
1758 #if USE_TRANSIENT_POPUP
1759     ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1760 #else
1761     winPopup->Show();
1762 #endif
1763
1764 #if INSTALL_TOPLEV_HANDLER
1765     // Put top level window event handler into place
1766     if ( !m_toplevEvtHandler )
1767         m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1768
1769     wxWindow* toplev = ::wxGetTopLevelParent( this );
1770     wxASSERT( toplev );
1771     ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1772     toplev->PushEventHandler( m_toplevEvtHandler );
1773 #endif
1774
1775 }
1776
1777 void wxComboCtrlBase::OnPopupDismiss()
1778 {
1779     // Just in case, avoid double dismiss
1780     if ( !m_isPopupShown )
1781         return;
1782
1783     // *Must* set this before focus etc.
1784     m_isPopupShown = false;
1785
1786     // Inform popup control itself
1787     m_popupInterface->OnDismiss();
1788
1789     if ( m_popupExtraHandler )
1790         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1791
1792 #if INSTALL_TOPLEV_HANDLER
1793     // Remove top level window event handler
1794     if ( m_toplevEvtHandler )
1795     {
1796         wxWindow* toplev = ::wxGetTopLevelParent( this );
1797         if ( toplev )
1798             toplev->RemoveEventHandler( m_toplevEvtHandler );
1799     }
1800 #endif
1801
1802     m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1803
1804     // If cursor not on dropdown button, then clear its state
1805     // (technically not required by all ports, but do it for all just in case)
1806     if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) )
1807         m_btnState = 0;
1808
1809     // Return parent's tab traversal flag.
1810     // See ShowPopup for notes.
1811     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1812     {
1813         wxWindow* parent = GetParent();
1814         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1815         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1816     }
1817
1818     // refresh control (necessary even if m_text)
1819     Refresh();
1820
1821 #if !wxUSE_POPUPWIN
1822     SetFocus();
1823 #endif
1824
1825 }
1826
1827 void wxComboCtrlBase::HidePopup()
1828 {
1829     // Should be able to call this without popup interface
1830     //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1831     if ( !m_isPopupShown )
1832         return;
1833
1834     // transfer value and show it in textctrl, if any
1835     SetValue( m_popupInterface->GetStringValue() );
1836
1837 #if USE_TRANSIENT_POPUP
1838     ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1839 #else
1840     m_winPopup->Hide();
1841 #endif
1842
1843     OnPopupDismiss();
1844 }
1845
1846 // ----------------------------------------------------------------------------
1847 // customization methods
1848 // ----------------------------------------------------------------------------
1849
1850 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1851                                          int side, int spacingX )
1852 {
1853     m_btnWid = width;
1854     m_btnHei = height;
1855     m_btnSide = side;
1856     m_btnSpacingX = spacingX;
1857
1858     RecalcAndRefresh();
1859 }
1860
1861 wxSize wxComboCtrlBase::GetButtonSize()
1862 {
1863     if ( m_btnSize.x > 0 )
1864         return m_btnSize;
1865
1866     wxSize retSize(m_btnWid,m_btnHei);
1867
1868     // Need to call CalculateAreas now if button size is
1869     // is not explicitly specified.
1870     if ( retSize.x <= 0 || retSize.y <= 0)
1871     {
1872         OnResize();
1873
1874         retSize = m_btnSize;
1875     }
1876
1877     return retSize;
1878 }
1879
1880 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1881                                            bool blankButtonBg,
1882                                            const wxBitmap& bmpPressed,
1883                                            const wxBitmap& bmpHover,
1884                                            const wxBitmap& bmpDisabled )
1885 {
1886     m_bmpNormal = bmpNormal;
1887     m_blankButtonBg = blankButtonBg;
1888
1889     if ( bmpPressed.Ok() )
1890         m_bmpPressed = bmpPressed;
1891     else
1892         m_bmpPressed = bmpNormal;
1893
1894     if ( bmpHover.Ok() )
1895         m_bmpHover = bmpHover;
1896     else
1897         m_bmpHover = bmpNormal;
1898
1899     if ( bmpDisabled.Ok() )
1900         m_bmpDisabled = bmpDisabled;
1901     else
1902         m_bmpDisabled = bmpNormal;
1903
1904     RecalcAndRefresh();
1905 }
1906
1907 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1908 {
1909     if ( m_text )
1910     {
1911         // move textctrl accordingly
1912         wxRect r = m_text->GetRect();
1913         int inc = width - m_widthCustomPaint;
1914         r.x += inc;
1915         r.width -= inc;
1916         m_text->SetSize( r );
1917     }
1918
1919     m_widthCustomPaint = width;
1920
1921     RecalcAndRefresh();
1922 }
1923
1924 void wxComboCtrlBase::SetTextIndent( int indent )
1925 {
1926     if ( indent < 0 )
1927     {
1928         m_absIndent = GetNativeTextIndent();
1929         m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1930     }
1931     else
1932     {
1933         m_absIndent = indent;
1934         m_iFlags |= wxCC_IFLAG_INDENT_SET;
1935     }
1936
1937     RecalcAndRefresh();
1938 }
1939
1940 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1941 {
1942     return DEFAULT_TEXT_INDENT;
1943 }
1944
1945 // ----------------------------------------------------------------------------
1946 // methods forwarded to wxTextCtrl
1947 // ----------------------------------------------------------------------------
1948
1949 wxString wxComboCtrlBase::GetValue() const
1950 {
1951     if ( m_text )
1952         return m_text->GetValue();
1953     return m_valueString;
1954 }
1955
1956 void wxComboCtrlBase::SetValue(const wxString& value)
1957 {
1958     if ( m_text )
1959     {
1960         m_text->SetValue(value);
1961         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1962             m_text->SelectAll();
1963     }
1964
1965     m_valueString = value;
1966
1967     Refresh();
1968
1969     // Since wxComboPopup may want to paint the combo as well, we need
1970     // to set the string value here (as well as sometimes in ShowPopup).
1971     if ( m_valueString != value && m_popupInterface )
1972     {
1973         m_popupInterface->SetStringValue(value);
1974     }
1975 }
1976
1977 // In this SetValue variant wxComboPopup::SetStringValue is not called
1978 void wxComboCtrlBase::SetText(const wxString& value)
1979 {
1980     // Unlike in SetValue(), this must be called here or
1981     // the behaviour will no be consistent in readonlys.
1982     EnsurePopupControl();
1983
1984     m_valueString = value;
1985
1986     Refresh();
1987 }
1988
1989 void wxComboCtrlBase::Copy()
1990 {
1991     if ( m_text )
1992         m_text->Copy();
1993 }
1994
1995 void wxComboCtrlBase::Cut()
1996 {
1997     if ( m_text )
1998         m_text->Cut();
1999 }
2000
2001 void wxComboCtrlBase::Paste()
2002 {
2003     if ( m_text )
2004         m_text->Paste();
2005 }
2006
2007 void wxComboCtrlBase::SetInsertionPoint(long pos)
2008 {
2009     if ( m_text )
2010         m_text->SetInsertionPoint(pos);
2011 }
2012
2013 void wxComboCtrlBase::SetInsertionPointEnd()
2014 {
2015     if ( m_text )
2016         m_text->SetInsertionPointEnd();
2017 }
2018
2019 long wxComboCtrlBase::GetInsertionPoint() const
2020 {
2021     if ( m_text )
2022         return m_text->GetInsertionPoint();
2023
2024     return 0;
2025 }
2026
2027 long wxComboCtrlBase::GetLastPosition() const
2028 {
2029     if ( m_text )
2030         return m_text->GetLastPosition();
2031
2032     return 0;
2033 }
2034
2035 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2036 {
2037     if ( m_text )
2038         m_text->Replace(from, to, value);
2039 }
2040
2041 void wxComboCtrlBase::Remove(long from, long to)
2042 {
2043     if ( m_text )
2044         m_text->Remove(from, to);
2045 }
2046
2047 void wxComboCtrlBase::SetSelection(long from, long to)
2048 {
2049     if ( m_text )
2050         m_text->SetSelection(from, to);
2051 }
2052
2053 void wxComboCtrlBase::Undo()
2054 {
2055     if ( m_text )
2056         m_text->Undo();
2057 }
2058
2059 #endif // wxUSE_COMBOCTRL