src/common/combocmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/combocmn.cpp
   3 // Purpose:     wxComboCtrlBase
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_COMBOCTRL
  27
  28 #include "wx/combobox.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/settings.h"
  34     #include "wx/dialog.h"
  35     #include "wx/timer.h"
  36 #endif
  37
  38 #include "wx/tooltip.h"
  39
  40 #include "wx/combo.h"
  41
  42
  43
  44 // constants
  45 // ----------------------------------------------------------------------------
  46
  47 // Milliseconds to wait for two mouse-ups after focus inorder
  48 // to trigger a double-click.
  49 #define DOUBLE_CLICK_CONVERSION_TRESHOLD        500
  50
  51 #define DEFAULT_DROPBUTTON_WIDTH                19
  52
  53 #define BMP_BUTTON_MARGIN                       4
  54
  55 #define DEFAULT_POPUP_HEIGHT                    400
  56
  57 #define DEFAULT_TEXT_INDENT                     3
  58
  59 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  60
  61
  62 #if defined(__WXMSW__)
  63
  64 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  65 #define TEXTCTRL_TEXT_CENTERED        0 // 1 if text in textctrl is vertically centered
  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 #define TEXTCTRL_TEXT_CENTERED        1 // 1 if text in textctrl is vertically centered
  74
  75 #elif defined(__WXMAC__)
  76
  77 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  78 #define TEXTCTRL_TEXT_CENTERED        1 // 1 if text in textctrl is vertically centered
  79
  80 #else
  81
  82 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  83 #define TEXTCTRL_TEXT_CENTERED        1 // 1 if text in textctrl is vertically centered
  84
  85 #endif
  86
  87
  88 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
  89 // what the wxUSE_POPUPWIN says.
  90 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
  91 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
  92 #undef wxUSE_POPUPWIN
  93 #define wxUSE_POPUPWIN 0
  94 #endif
  95
  96
  97 #if wxUSE_POPUPWIN
  98     #include "wx/popupwin.h"
  99 #else
 100     #undef USE_TRANSIENT_POPUP
 101     #define USE_TRANSIENT_POPUP 0
 102 #endif
 103
 104
 105 #if USE_TRANSIENT_POPUP
 106
 107     #define wxComboPopupWindowBase wxPopupTransientWindow
 108     #define INSTALL_TOPLEV_HANDLER       0
 109
 110 #elif wxUSE_POPUPWIN
 111
 112     #define wxComboPopupWindowBase wxPopupWindow
 113     #define INSTALL_TOPLEV_HANDLER       1
 114
 115 #else
 116
 117     #define wxComboPopupWindowBase wxDialog
 118     #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
 119
 120 #endif
 121
 122
 123
 124 //
 125 // ** TODO **
 126 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 127 //
 128
 129
 130 // ----------------------------------------------------------------------------
 131 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 132 // in its top level parent.
 133 // ----------------------------------------------------------------------------
 134
 135 #if INSTALL_TOPLEV_HANDLER
 136
 137 //
 138 // This will no longer be necessary after wxTransientPopupWindow
 139 // works well on all platforms.
 140 //
 141
 142 class wxComboFrameEventHandler : public wxEvtHandler
 143 {
 144 public:
 145     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 146     virtual ~wxComboFrameEventHandler();
 147
 148     void OnPopup();
 149
 150     void OnIdle( wxIdleEvent& event );
 151     void OnMouseEvent( wxMouseEvent& event );
 152     void OnActivate( wxActivateEvent& event );
 153     void OnResize( wxSizeEvent& event );
 154     void OnMove( wxMoveEvent& event );
 155     void OnMenuEvent( wxMenuEvent& event );
 156     void OnClose( wxCloseEvent& event );
 157
 158 protected:
 159     wxWindow*                       m_focusStart;
 160     wxComboCtrlBase*     m_combo;
 161
 162 private:
 163     DECLARE_EVENT_TABLE()
 164 };
 165
 166 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 167     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 168     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 169     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 170     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 171     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 172     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 173     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 174     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 175     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 176 END_EVENT_TABLE()
 177
 178 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 179     : wxEvtHandler()
 180 {
 181     m_combo = combo;
 182 }
 183
 184 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 185 {
 186 }
 187
 188 void wxComboFrameEventHandler::OnPopup()
 189 {
 190     m_focusStart = ::wxWindow::FindFocus();
 191 }
 192
 193 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 194 {
 195     wxWindow* winFocused = ::wxWindow::FindFocus();
 196
 197     wxWindow* popup = m_combo->GetPopupControl()->GetControl();
 198     wxWindow* winpopup = m_combo->GetPopupWindow();
 199
 200     if (
 201          winFocused != m_focusStart &&
 202          winFocused != popup &&
 203          winFocused->GetParent() != popup &&
 204          winFocused != winpopup &&
 205          winFocused->GetParent() != winpopup &&
 206          winFocused != m_combo &&
 207          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 208         )
 209     {
 210         m_combo->HidePopup();
 211     }
 212
 213     event.Skip();
 214 }
 215
 216 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 217 {
 218     m_combo->HidePopup();
 219     event.Skip();
 220 }
 221
 222 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 223 {
 224     m_combo->HidePopup();
 225     event.Skip();
 226 }
 227
 228 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 229 {
 230     m_combo->HidePopup();
 231     event.Skip();
 232 }
 233
 234 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 235 {
 236     m_combo->HidePopup();
 237     event.Skip();
 238 }
 239
 240 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 241 {
 242     m_combo->HidePopup();
 243     event.Skip();
 244 }
 245
 246 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 247 {
 248     m_combo->HidePopup();
 249     event.Skip();
 250 }
 251
 252 #endif // INSTALL_TOPLEV_HANDLER
 253
 254 // ----------------------------------------------------------------------------
 255 // wxComboPopupWindow is wxPopupWindow customized for
 256 // wxComboCtrl.
 257 // ----------------------------------------------------------------------------
 258
 259 class wxComboPopupWindow : public wxComboPopupWindowBase
 260 {
 261 public:
 262
 263     wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
 264
 265 #if USE_TRANSIENT_POPUP
 266     virtual bool ProcessLeftDown(wxMouseEvent& event);
 267 #endif
 268
 269     void OnKeyEvent(wxKeyEvent& event);
 270
 271     void OnMouseEvent( wxMouseEvent& event );
 272 #if !wxUSE_POPUPWIN
 273     void OnActivate( wxActivateEvent& event );
 274 #endif
 275
 276 protected:
 277
 278 #if USE_TRANSIENT_POPUP
 279     virtual void OnDismiss();
 280 #endif
 281
 282 private:
 283     DECLARE_EVENT_TABLE()
 284 };
 285
 286
 287 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
 288     EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
 289 #if !wxUSE_POPUPWIN
 290     EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
 291 #endif
 292     EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
 293     EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
 294 END_EVENT_TABLE()
 295
 296
 297 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
 298                                         int style )
 299 #if wxUSE_POPUPWIN
 300                                        : wxComboPopupWindowBase(parent,style)
 301 #else
 302                                        : wxComboPopupWindowBase(parent,
 303                                                                 wxID_ANY,
 304                                                                 wxEmptyString,
 305                                                                 wxPoint(-21,-21),
 306                                                                 wxSize(20,20),
 307                                                                 style)
 308 #endif
 309 {
 310 }
 311
 312 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
 313 {
 314     // Relay keyboard event to the main child controls
 315     // (just skipping may just cause the popup to close)
 316     wxWindowList children = GetChildren();
 317     wxWindowList::iterator node = children.begin();
 318     wxWindow* child = (wxWindow*)*node;
 319     child->AddPendingEvent(event);
 320 }
 321
 322 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
 323 {
 324     event.Skip();
 325 }
 326
 327 #if !wxUSE_POPUPWIN
 328 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
 329 {
 330     if ( !event.GetActive() )
 331     {
 332         // Tell combo control that we are dismissed.
 333         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 334         wxASSERT( combo );
 335         wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
 336
 337         combo->HidePopup();
 338
 339         event.Skip();
 340     }
 341 }
 342 #endif
 343
 344 #if USE_TRANSIENT_POPUP
 345 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
 346 {
 347     return wxComboPopupWindowBase::ProcessLeftDown(event);
 348 }
 349 #endif
 350
 351 #if USE_TRANSIENT_POPUP
 352 // First thing that happens when a transient popup closes is that this method gets called.
 353 void wxComboPopupWindow::OnDismiss()
 354 {
 355     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 356     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 357                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 358
 359     combo->OnPopupDismiss();
 360 }
 361 #endif
 362
 363 // ----------------------------------------------------------------------------
 364 // wxComboPopup
 365 //
 366 // ----------------------------------------------------------------------------
 367
 368 wxComboPopup::~wxComboPopup()
 369 {
 370 }
 371
 372 void wxComboPopup::OnPopup()
 373 {
 374 }
 375
 376 void wxComboPopup::OnDismiss()
 377 {
 378 }
 379
 380 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 381                                       int prefHeight,
 382                                       int WXUNUSED(maxHeight) )
 383 {
 384     return wxSize(minWidth,prefHeight);
 385 }
 386
 387 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 388                                              wxDC& dc, const wxRect& rect )
 389 {
 390     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 391     {
 392         combo->PrepareBackground(dc,rect,0);
 393
 394         dc.DrawText( combo->GetValue(),
 395                      rect.x + combo->GetTextIndent(),
 396                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 397     }
 398 }
 399
 400 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 401 {
 402     DefaultPaintComboControl(m_combo,dc,rect);
 403 }
 404
 405 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 406 {
 407     event.Skip();
 408 }
 409
 410 void wxComboPopup::OnComboDoubleClick()
 411 {
 412 }
 413
 414 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 415 {
 416 }
 417
 418 bool wxComboPopup::LazyCreate()
 419 {
 420     return false;
 421 }
 422
 423 void wxComboPopup::Dismiss()
 424 {
 425     m_combo->HidePopup();
 426 }
 427
 428 // ----------------------------------------------------------------------------
 429 // input handling
 430 // ----------------------------------------------------------------------------
 431
 432 //
 433 // This is pushed to the event handler queue of the child textctrl.
 434 //
 435 class wxComboBoxExtraInputHandler : public wxEvtHandler
 436 {
 437 public:
 438
 439     wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
 440         : wxEvtHandler()
 441     {
 442         m_combo = combo;
 443     }
 444     virtual ~wxComboBoxExtraInputHandler() { }
 445     void OnKey(wxKeyEvent& event);
 446     void OnFocus(wxFocusEvent& event);
 447
 448 protected:
 449     wxComboCtrlBase*   m_combo;
 450
 451 private:
 452     DECLARE_EVENT_TABLE()
 453 };
 454
 455
 456 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
 457     EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
 458     EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 459 END_EVENT_TABLE()
 460
 461
 462 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 463 {
 464     // Let the wxComboCtrl event handler have a go first.
 465     wxComboCtrlBase* combo = m_combo;
 466     wxObject* prevObj = event.GetEventObject();
 467
 468     event.SetId(combo->GetId());
 469     event.SetEventObject(combo);
 470     combo->GetEventHandler()->ProcessEvent(event);
 471
 472     event.SetId(((wxWindow*)prevObj)->GetId());
 473     event.SetEventObject(prevObj);
 474 }
 475
 476 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
 477 {
 478     // FIXME: This code does run when control is clicked,
 479     //        yet on Windows it doesn't select all the text.
 480     if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
 481     {
 482         if ( m_combo->GetTextCtrl() )
 483             m_combo->GetTextCtrl()->SelectAll();
 484         else
 485             m_combo->SetSelection(-1,-1);
 486     }
 487
 488     // Send focus indication to parent.
 489     // NB: This is needed for cases where the textctrl gets focus
 490     //     instead of its parent. While this may trigger multiple
 491     //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
 492     //     from combo's focus event handler), they should be quite
 493     //     harmless.
 494     wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
 495     evt2.SetEventObject(m_combo);
 496     m_combo->GetEventHandler()->ProcessEvent(evt2);
 497
 498     event.Skip();
 499 }
 500
 501
 502 //
 503 // This is pushed to the event handler queue of the control in popup.
 504 //
 505
 506 class wxComboPopupExtraEventHandler : public wxEvtHandler
 507 {
 508 public:
 509
 510     wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
 511         : wxEvtHandler()
 512     {
 513         m_combo = combo;
 514         m_beenInside = false;
 515     }
 516     virtual ~wxComboPopupExtraEventHandler() { }
 517
 518     void OnMouseEvent( wxMouseEvent& event );
 519
 520     // Called from wxComboCtrlBase::OnPopupDismiss
 521     void OnPopupDismiss()
 522     {
 523         m_beenInside = false;
 524     }
 525
 526 protected:
 527     wxComboCtrlBase*     m_combo;
 528
 529     bool                    m_beenInside;
 530
 531 private:
 532     DECLARE_EVENT_TABLE()
 533 };
 534
 535
 536 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
 537     EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
 538 END_EVENT_TABLE()
 539
 540
 541 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
 542 {
 543     wxPoint pt = event.GetPosition();
 544     wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
 545     int evtType = event.GetEventType();
 546     bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
 547
 548     if ( evtType == wxEVT_MOTION ||
 549          evtType == wxEVT_LEFT_DOWN ||
 550          evtType == wxEVT_RIGHT_DOWN )
 551     {
 552         // Block motion and click events outside the popup
 553         if ( !isInside )
 554         {
 555             event.Skip(false);
 556             return;
 557         }
 558     }
 559     else if ( evtType == wxEVT_LEFT_UP )
 560     {
 561         // Don't let left-down events in if outside
 562         if ( evtType == wxEVT_LEFT_DOWN )
 563         {
 564             if ( !isInside )
 565                 return;
 566         }
 567
 568         if ( !m_beenInside )
 569         {
 570             if ( isInside )
 571             {
 572                 m_beenInside = true;
 573             }
 574             else
 575             {
 576                 //
 577                 // Some mouse events to popup that happen outside it, before cursor
 578                 // has been inside the popu, need to be ignored by it but relayed to
 579                 // the dropbutton.
 580                 //
 581                 wxWindow* btn = m_combo->GetButton();
 582                 if ( btn )
 583                     btn->GetEventHandler()->AddPendingEvent(event);
 584                 else
 585                     m_combo->GetEventHandler()->AddPendingEvent(event);
 586
 587                 return;
 588             }
 589
 590             event.Skip();
 591         }
 592     }
 593
 594     event.Skip();
 595 }
 596
 597 // ----------------------------------------------------------------------------
 598 // wxComboCtrlBase
 599 // ----------------------------------------------------------------------------
 600
 601
 602 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
 603     EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 604     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
 605     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
 606     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
 607     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
 608     EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
 609     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 610     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 611 END_EVENT_TABLE()
 612
 613
 614 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
 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_ignoreEvtText = 0;
 642     m_btnWid = m_btnHei = -1;
 643     m_btnSide = wxRIGHT;
 644     m_btnSpacingX = 0;
 645
 646     m_extLeft = 0;
 647     m_extRight = 0;
 648     m_absIndent = -1;
 649     m_iFlags = 0;
 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         if ( m_text )
 705             m_text->Destroy();
 706
 707         // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
 708         // not used by the wxPropertyGrid and therefore the tab is processed by
 709         // looking at ancestors to see if they have wxTAB_TRAVERSAL. The
 710         // navigation event is then sent to the wrong window.
 711         style |= wxTE_PROCESS_TAB;
 712
 713         if ( HasFlag(wxTE_PROCESS_ENTER) )
 714             style |= wxTE_PROCESS_ENTER;
 715
 716         // Ignore EVT_TEXT generated by the constructor (but only
 717         // if the event redirector already exists)
 718         // NB: This must be " = 1" instead of "++";
 719         if ( m_textEvtHandler )
 720             m_ignoreEvtText = 1;
 721         else
 722             m_ignoreEvtText = 0;
 723
 724         m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
 725                                 wxDefaultPosition, wxDefaultSize,
 726                                 style, validator);
 727
 728         // This is required for some platforms (GTK+ atleast)
 729         m_text->SetSizeHints(2,4);
 730     }
 731 }
 732
 733 void wxComboCtrlBase::OnThemeChange()
 734 {
 735     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 736 }
 737
 738 wxComboCtrlBase::~wxComboCtrlBase()
 739 {
 740     if ( HasCapture() )
 741         ReleaseMouse();
 742
 743 #if INSTALL_TOPLEV_HANDLER
 744     delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
 745     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 746 #endif
 747
 748     DestroyPopup();
 749
 750     if ( m_text )
 751         m_text->RemoveEventHandler(m_textEvtHandler);
 752
 753     delete m_textEvtHandler;
 754 }
 755
 756
 757 // ----------------------------------------------------------------------------
 758 // geometry stuff
 759 // ----------------------------------------------------------------------------
 760
 761 // Recalculates button and textctrl areas
 762 void wxComboCtrlBase::CalculateAreas( int btnWidth )
 763 {
 764     wxSize sz = GetClientSize();
 765     int customBorder = m_widthCustomBorder;
 766     int btnBorder; // border for button only
 767
 768     // check if button should really be outside the border: we'll do it it if
 769     // its platform default or bitmap+pushbutton background is used, but not if
 770     // there is vertical size adjustment or horizontal spacing.
 771     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
 772                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
 773          m_btnSpacingX == 0 &&
 774          m_btnHei <= 0 )
 775     {
 776         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
 777         btnBorder = 0;
 778     }
 779     else
 780     {
 781         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 782         btnBorder = customBorder;
 783     }
 784
 785     // Defaul indentation
 786     if ( m_absIndent < 0 )
 787         m_absIndent = GetNativeTextIndent();
 788
 789     int butWidth = btnWidth;
 790
 791     if ( butWidth <= 0 )
 792         butWidth = m_btnWidDefault;
 793     else
 794         m_btnWidDefault = butWidth;
 795
 796     if ( butWidth <= 0 )
 797         return;
 798
 799     int butHeight = sz.y - btnBorder*2;
 800
 801     // Adjust button width
 802     if ( m_btnWid > 0 )
 803         butWidth = m_btnWid;
 804     else
 805     {
 806         // Adjust button width to match aspect ratio
 807         // (but only if control is smaller than best size).
 808         int bestHeight = GetBestSize().y;
 809         int height = GetSize().y;
 810
 811         if ( height < bestHeight )
 812         {
 813             // Make very small buttons square, as it makes
 814             // them accommodate arrow image better and still
 815             // looks decent.
 816             if ( height > 18 )
 817                 butWidth = (height*butWidth)/bestHeight;
 818             else
 819                 butWidth = butHeight;
 820         }
 821     }
 822
 823     // Adjust button height
 824     if ( m_btnHei > 0 )
 825         butHeight = m_btnHei;
 826
 827     // Use size of normal bitmap if...
 828     //   It is larger
 829     //   OR
 830     //   button width is set to default and blank button bg is not drawn
 831     if ( m_bmpNormal.Ok() )
 832     {
 833         int bmpReqWidth = m_bmpNormal.GetWidth();
 834         int bmpReqHeight = m_bmpNormal.GetHeight();
 835
 836         // If drawing blank button background, we need to add some margin.
 837         if ( m_blankButtonBg )
 838         {
 839             bmpReqWidth += BMP_BUTTON_MARGIN*2;
 840             bmpReqHeight += BMP_BUTTON_MARGIN*2;
 841         }
 842
 843         if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
 844             butWidth = bmpReqWidth;
 845         if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
 846             butHeight = bmpReqHeight;
 847
 848         // Need to fix height?
 849         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
 850         {
 851             int newY = butHeight+(customBorder*2);
 852             SetClientSize(wxDefaultCoord,newY);
 853             sz.y = newY;
 854         }
 855     }
 856
 857     int butAreaWid = butWidth + (m_btnSpacingX*2);
 858
 859     m_btnSize.x = butWidth;
 860     m_btnSize.y = butHeight;
 861
 862     m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
 863     m_btnArea.y = btnBorder;
 864     m_btnArea.width = butAreaWid;
 865     m_btnArea.height = sz.y - (btnBorder*2);
 866
 867     m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
 868     m_tcArea.y = customBorder;
 869     m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
 870     m_tcArea.height = sz.y - (customBorder*2);
 871
 872 /*
 873     if ( m_text )
 874     {
 875         ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
 876                        wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
 877     }
 878 */
 879 }
 880
 881 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
 882 {
 883     if ( !m_text )
 884         return;
 885
 886     wxSize sz = GetClientSize();
 887     int customBorder = m_widthCustomBorder;
 888
 889 #if !TEXTCTRL_TEXT_CENTERED
 890     if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
 891     {
 892         // Centre textctrl
 893         int tcSizeY = m_text->GetBestSize().y;
 894         int diff = sz.y - tcSizeY;
 895         int y = textCtrlYAdjust + (diff/2);
 896
 897         if ( y < customBorder )
 898             y = customBorder;
 899
 900         m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
 901                          y,
 902                          m_tcArea.width - COMBO_MARGIN -
 903                          (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
 904                          -1 );
 905
 906         // Make sure textctrl doesn't exceed the bottom custom border
 907         wxSize tsz = m_text->GetSize();
 908         diff = (y + tsz.y) - (sz.y - customBorder);
 909         if ( diff >= 0 )
 910         {
 911             tsz.y = tsz.y - diff - 1;
 912             m_text->SetSize(tsz);
 913         }
 914     }
 915     else
 916 #endif
 917     {
 918         // If it has border, have textctrl will the entire text field.
 919         m_text->SetSize( m_tcArea.x + m_widthCustomPaint,
 920                          customBorder,
 921                          sz.x - m_btnArea.width - m_widthCustomPaint - customBorder,
 922                          sz.y-(customBorder*2) );
 923     }
 924 }
 925
 926 wxSize wxComboCtrlBase::DoGetBestSize() const
 927 {
 928     wxSize sizeText(150,0);
 929
 930     if ( m_text )
 931         sizeText = m_text->GetBestSize();
 932
 933     // TODO: Better method to calculate close-to-native control height.
 934
 935     int fhei;
 936     if ( m_font.Ok() )
 937         fhei = (m_font.GetPointSize()*2) + 5;
 938     else if ( wxNORMAL_FONT->Ok() )
 939         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
 940     else
 941         fhei = sizeText.y + 4;
 942
 943     // Need to force height to accomodate bitmap?
 944     int btnSizeY = m_btnSize.y;
 945     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
 946         fhei = btnSizeY;
 947
 948     // Control height doesn't depend on border
 949 /*
 950     // Add border
 951     int border = m_windowStyle & wxBORDER_MASK;
 952     if ( border == wxSIMPLE_BORDER )
 953         fhei += 2;
 954     else if ( border == wxNO_BORDER )
 955         fhei += (m_widthCustomBorder*2);
 956     else
 957         // Sunken etc.
 958         fhei += 4;
 959 */
 960
 961     // Final adjustments
 962 #ifdef __WXGTK__
 963     fhei += 1;
 964 #endif
 965
 966     wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
 967                fhei);
 968
 969     CacheBestSize(ret);
 970     return ret;
 971 }
 972
 973 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
 974 {
 975     if ( !IsCreated() )
 976         return;
 977
 978     // defined by actual wxComboCtrls
 979     OnResize();
 980
 981     event.Skip();
 982 }
 983
 984 // ----------------------------------------------------------------------------
 985 // standard operations
 986 // ----------------------------------------------------------------------------
 987
 988 bool wxComboCtrlBase::Enable(bool enable)
 989 {
 990     if ( !wxControl::Enable(enable) )
 991         return false;
 992
 993     if ( m_btn )
 994         m_btn->Enable(enable);
 995     if ( m_text )
 996         m_text->Enable(enable);
 997
 998     return true;
 999 }
1000
1001 bool wxComboCtrlBase::Show(bool show)
1002 {
1003     if ( !wxControl::Show(show) )
1004         return false;
1005
1006     if (m_btn)
1007         m_btn->Show(show);
1008
1009     if (m_text)
1010         m_text->Show(show);
1011
1012     return true;
1013 }
1014
1015 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1016 {
1017     if ( !wxControl::SetFont(font) )
1018         return false;
1019
1020     if (m_text)
1021         m_text->SetFont(font);
1022
1023     return true;
1024 }
1025
1026 #if wxUSE_TOOLTIPS
1027 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1028 {
1029     wxControl::DoSetToolTip(tooltip);
1030
1031     // Set tool tip for button and text box
1032     if ( tooltip )
1033     {
1034         const wxString &tip = tooltip->GetTip();
1035         if ( m_text ) m_text->SetToolTip(tip);
1036         if ( m_btn ) m_btn->SetToolTip(tip);
1037     }
1038     else
1039     {
1040         if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1041         if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1042     }
1043 }
1044 #endif // wxUSE_TOOLTIPS
1045
1046 // ----------------------------------------------------------------------------
1047 // painting
1048 // ----------------------------------------------------------------------------
1049
1050 #if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
1051 // prepare combo box background on area in a way typical on platform
1052 void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
1053 {
1054     wxSize sz = GetClientSize();
1055     bool isEnabled;
1056     bool isFocused; // also selected
1057
1058     // For smaller size control (and for disabled background) use less spacing
1059     int focusSpacingX;
1060     int focusSpacingY;
1061
1062     if ( !(flags & wxCONTROL_ISSUBMENU) )
1063     {
1064         // Drawing control
1065         isEnabled = IsEnabled();
1066         isFocused = ShouldDrawFocus();
1067
1068         // Windows-style: for smaller size control (and for disabled background) use less spacing
1069         focusSpacingX = isEnabled ? 2 : 1;
1070         focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1071     }
1072     else
1073     {
1074         // Drawing a list item
1075         isEnabled = true; // they are never disabled
1076         isFocused = flags & wxCONTROL_SELECTED ? true : false;
1077
1078         focusSpacingX = 0;
1079         focusSpacingY = 0;
1080     }
1081
1082     // Set the background sub-rectangle for selection, disabled etc
1083     wxRect selRect(rect);
1084     selRect.y += focusSpacingY;
1085     selRect.height -= (focusSpacingY*2);
1086
1087     int wcp = 0;
1088
1089     if ( !(flags & wxCONTROL_ISSUBMENU) )
1090         wcp += m_widthCustomPaint;
1091
1092     selRect.x += wcp + focusSpacingX;
1093     selRect.width -= wcp + (focusSpacingX*2);
1094
1095     wxColour bgCol;
1096
1097     if ( isEnabled )
1098     {
1099         // If popup is hidden and this control is focused,
1100         // then draw the focus-indicator (selbgcolor background etc.).
1101         if ( isFocused )
1102         {
1103             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1104             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1105         }
1106         else
1107         {
1108             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1109             bgCol = GetBackgroundColour();
1110         }
1111     }
1112     else
1113     {
1114         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1115         bgCol = GetBackgroundColour();
1116     }
1117
1118     dc.SetBrush( bgCol );
1119     dc.SetPen( bgCol );
1120     dc.DrawRectangle( selRect );
1121
1122     // Don't clip exactly to the selection rectangle so we can draw
1123     // to the non-selected area in front of it.
1124     wxRect clipRect(rect.x,rect.y,
1125                     (selRect.x+selRect.width)-rect.x,rect.height);
1126     dc.SetClippingRegion(clipRect);
1127 }
1128 #else
1129 // Save the library size a bit for platforms that re-implement this.
1130 void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
1131 {
1132 }
1133 #endif
1134
1135 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1136 {
1137     int drawState = m_btnState;
1138
1139 #ifdef __WXGTK__
1140     if ( m_isPopupShown )
1141         drawState |= wxCONTROL_PRESSED;
1142 #endif
1143
1144     wxRect drawRect(rect.x+m_btnSpacingX,
1145                     rect.y+((rect.height-m_btnSize.y)/2),
1146                     m_btnSize.x,
1147                     m_btnSize.y);
1148
1149     // Make sure area is not larger than the control
1150     if ( drawRect.y < rect.y )
1151         drawRect.y = rect.y;
1152     if ( drawRect.height > rect.height )
1153         drawRect.height = rect.height;
1154
1155     bool enabled = IsEnabled();
1156
1157     if ( !enabled )
1158         drawState |= wxCONTROL_DISABLED;
1159
1160     if ( !m_bmpNormal.Ok() )
1161     {
1162         // Need to clear button background even if m_btn is present
1163         if ( paintBg )
1164         {
1165             wxColour bgCol;
1166
1167             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1168                 bgCol = GetParent()->GetBackgroundColour();
1169             else
1170                 bgCol = GetBackgroundColour();
1171
1172             dc.SetBrush(bgCol);
1173             dc.SetPen(bgCol);
1174             dc.DrawRectangle(rect);
1175         }
1176
1177         // Draw standard button
1178         wxRendererNative::Get().DrawComboBoxDropButton(this,
1179                                                        dc,
1180                                                        drawRect,
1181                                                        drawState);
1182     }
1183     else
1184     {
1185         // Draw bitmap
1186
1187         wxBitmap* pBmp;
1188
1189         if ( !enabled )
1190             pBmp = &m_bmpDisabled;
1191         else if ( m_btnState & wxCONTROL_PRESSED )
1192             pBmp = &m_bmpPressed;
1193         else if ( m_btnState & wxCONTROL_CURRENT )
1194             pBmp = &m_bmpHover;
1195         else
1196             pBmp = &m_bmpNormal;
1197
1198         if ( m_blankButtonBg )
1199         {
1200             // If using blank button background, we need to clear its background
1201             // with button face colour instead of colour for rest of the control.
1202             if ( paintBg )
1203             {
1204                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1205                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1206                 dc.SetPen(bgCol);
1207                 dc.SetBrush(bgCol);
1208                 dc.DrawRectangle(rect);
1209             }
1210
1211             wxRendererNative::Get().DrawPushButton(this,
1212                                                    dc,
1213                                                    drawRect,
1214                                                    drawState);
1215
1216         }
1217         else
1218
1219         {
1220             // Need to clear button background even if m_btn is present
1221             // (assume non-button background was cleared just before this call so brushes are good)
1222             if ( paintBg )
1223                 dc.DrawRectangle(rect);
1224         }
1225
1226         // Draw bitmap centered in drawRect
1227         dc.DrawBitmap(*pBmp,
1228                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1229                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1230                       true);
1231     }
1232 }
1233
1234 void wxComboCtrlBase::RecalcAndRefresh()
1235 {
1236     if ( IsCreated() )
1237     {
1238         wxSizeEvent evt(GetSize(),GetId());
1239         GetEventHandler()->ProcessEvent(evt);
1240         Refresh();
1241     }
1242 }
1243
1244 // ----------------------------------------------------------------------------
1245 // miscellaneous event handlers
1246 // ----------------------------------------------------------------------------
1247
1248 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1249 {
1250     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1251     {
1252         if ( m_ignoreEvtText > 0 )
1253         {
1254             m_ignoreEvtText--;
1255             return;
1256         }
1257     }
1258
1259     // Change event id, object and string before relaying it forward
1260     event.SetId(GetId());
1261     wxString s = event.GetString();
1262     event.SetEventObject(this);
1263     event.SetString(s);
1264     event.Skip();
1265 }
1266
1267 // call if cursor is on button area or mouse is captured for the button
1268 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1269                                                  int flags )
1270 {
1271     int type = event.GetEventType();
1272
1273     if ( type == wxEVT_MOTION )
1274     {
1275         if ( flags & wxCC_MF_ON_BUTTON )
1276         {
1277             if ( !(m_btnState & wxCONTROL_CURRENT) )
1278             {
1279                 // Mouse hover begins
1280                 m_btnState |= wxCONTROL_CURRENT;
1281                 if ( HasCapture() ) // Retain pressed state.
1282                     m_btnState |= wxCONTROL_PRESSED;
1283                 Refresh();
1284             }
1285         }
1286         else if ( (m_btnState & wxCONTROL_CURRENT) )
1287         {
1288             // Mouse hover ends
1289             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1290             Refresh();
1291         }
1292     }
1293     else if ( type == wxEVT_LEFT_DOWN )
1294     {
1295         if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1296         {
1297             m_btnState |= wxCONTROL_PRESSED;
1298             Refresh();
1299
1300             if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1301                 OnButtonClick();
1302             else
1303                 // If showing popup now, do not capture mouse or there will be interference
1304                 CaptureMouse();
1305         }
1306     }
1307     else if ( type == wxEVT_LEFT_UP )
1308     {
1309
1310         // Only accept event if mouse was left-press was previously accepted
1311         if ( HasCapture() )
1312             ReleaseMouse();
1313
1314         if ( m_btnState & wxCONTROL_PRESSED )
1315         {
1316             // If mouse was inside, fire the click event.
1317             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1318             {
1319                 if ( flags & (wxCC_MF_ON_CLICK_AREA|wxCC_MF_ON_BUTTON) )
1320                     OnButtonClick();
1321             }
1322
1323             m_btnState &= ~(wxCONTROL_PRESSED);
1324             Refresh();
1325         }
1326     }
1327     else if ( type == wxEVT_LEAVE_WINDOW )
1328     {
1329         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1330         {
1331             m_btnState &= ~(wxCONTROL_CURRENT);
1332
1333             // Mouse hover ends
1334             if ( !m_isPopupShown )
1335             {
1336                 m_btnState &= ~(wxCONTROL_PRESSED);
1337                 Refresh();
1338             }
1339         }
1340     }
1341     else
1342         return false;
1343
1344     return true;
1345 }
1346
1347 // returns true if event was consumed or filtered
1348 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1349                                             int WXUNUSED(flags) )
1350 {
1351     wxLongLong t = ::wxGetLocalTimeMillis();
1352     int evtType = event.GetEventType();
1353
1354 #if !USE_TRANSIENT_POPUP
1355     if ( m_isPopupShown &&
1356          ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
1357     {
1358         HidePopup();
1359         return true;
1360     }
1361 #endif
1362
1363     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1364     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1365     {
1366         event.SetEventType(0);
1367         return true;
1368     }
1369
1370     return false;
1371 }
1372
1373 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1374 {
1375     int evtType = event.GetEventType();
1376
1377     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1378          (m_windowStyle & wxCB_READONLY) )
1379     {
1380         if ( m_isPopupShown )
1381         {
1382     #if !wxUSE_POPUPWIN
1383         // Normally do nothing - evt handler should close it for us
1384     #elif !USE_TRANSIENT_POPUP
1385             // Click here always hides the popup.
1386             HidePopup();
1387     #endif
1388         }
1389         else
1390         {
1391             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1392             {
1393                 // In read-only mode, clicking the text is the
1394                 // same as clicking the button.
1395                 OnButtonClick();
1396             }
1397             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1398             {
1399                 //if ( m_popupInterface->CycleValue() )
1400                 //    Refresh();
1401                 if ( m_popupInterface )
1402                     m_popupInterface->OnComboDoubleClick();
1403             }
1404         }
1405     }
1406     else
1407     if ( m_isPopupShown )
1408     {
1409         // relay (some) mouse events to the popup
1410         if ( evtType == wxEVT_MOUSEWHEEL )
1411             m_popup->AddPendingEvent(event);
1412     }
1413     else if ( evtType )
1414         event.Skip();
1415 }
1416
1417 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1418 {
1419     if ( IsPopupShown() )
1420     {
1421         // pass it to the popped up control
1422         GetPopupControl()->GetControl()->AddPendingEvent(event);
1423     }
1424     else // no popup
1425     {
1426         int keycode = event.GetKeyCode();
1427
1428         if ( keycode == WXK_TAB )
1429         {
1430             wxNavigationKeyEvent evt;
1431             evt.SetFlags(wxNavigationKeyEvent::FromTab|
1432                          (!event.ShiftDown() ? wxNavigationKeyEvent::IsForward
1433                                              : wxNavigationKeyEvent::IsBackward));
1434             evt.SetEventObject(this);
1435             GetParent()->GetEventHandler()->AddPendingEvent(evt);
1436             return;
1437         }
1438
1439         if ( IsKeyPopupToggle(event) )
1440         {
1441             OnButtonClick();
1442             return;
1443         }
1444
1445         int comboStyle = GetWindowStyle();
1446         wxComboPopup* popupInterface = GetPopupControl();
1447
1448         if ( !popupInterface )
1449         {
1450             event.Skip();
1451             return;
1452         }
1453
1454         if ( (comboStyle & wxCB_READONLY) ||
1455              (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1456         {
1457             popupInterface->OnComboKeyEvent(event);
1458         }
1459         else
1460             event.Skip();
1461     }
1462 }
1463
1464 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1465 {
1466     if ( event.GetEventType() == wxEVT_SET_FOCUS )
1467     {
1468         if ( m_text && m_text != ::wxWindow::FindFocus() )
1469             m_text->SetFocus();
1470     }
1471
1472     Refresh();
1473 }
1474
1475 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1476 {
1477     OnThemeChange();
1478     // indentation may also have changed
1479     if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1480         m_absIndent = GetNativeTextIndent();
1481     RecalcAndRefresh();
1482 }
1483
1484 // ----------------------------------------------------------------------------
1485 // popup handling
1486 // ----------------------------------------------------------------------------
1487
1488 // Create popup window and the child control
1489 void wxComboCtrlBase::CreatePopup()
1490 {
1491     wxComboPopup* popupInterface = m_popupInterface;
1492     wxWindow* popup;
1493
1494     if ( !m_winPopup )
1495         m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1496
1497     popupInterface->Create(m_winPopup);
1498     m_popup = popup = popupInterface->GetControl();
1499
1500     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1501     popup->PushEventHandler( m_popupExtraHandler );
1502
1503     // This may be helpful on some platforms
1504     //   (eg. it bypasses a wxGTK popupwindow bug where
1505     //    window is not initially hidden when it should be)
1506     m_winPopup->Hide();
1507
1508     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1509 }
1510
1511 // Destroy popup window and the child control
1512 void wxComboCtrlBase::DestroyPopup()
1513 {
1514     HidePopup();
1515
1516     if ( m_popup )
1517         m_popup->RemoveEventHandler(m_popupExtraHandler);
1518
1519     delete m_popupExtraHandler;
1520
1521     delete m_popupInterface;
1522
1523     if ( m_winPopup )
1524         m_winPopup->Destroy();
1525
1526     m_popupExtraHandler = (wxEvtHandler*) NULL;
1527     m_popupInterface = (wxComboPopup*) NULL;
1528     m_winPopup = (wxWindow*) NULL;
1529     m_popup = (wxWindow*) NULL;
1530 }
1531
1532 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1533 {
1534     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1535
1536     DestroyPopup();
1537
1538     iface->InitBase(this);
1539     iface->Init();
1540
1541     m_popupInterface = iface;
1542
1543     if ( !iface->LazyCreate() )
1544     {
1545         CreatePopup();
1546     }
1547     else
1548     {
1549         m_popup = (wxWindow*) NULL;
1550     }
1551
1552     // This must be done after creation
1553     if ( m_valueString.length() )
1554     {
1555         iface->SetStringValue(m_valueString);
1556         //Refresh();
1557     }
1558 }
1559
1560 // Ensures there is atleast the default popup
1561 void wxComboCtrlBase::EnsurePopupControl()
1562 {
1563     if ( !m_popupInterface )
1564         SetPopupControl(NULL);
1565 }
1566
1567 void wxComboCtrlBase::OnButtonClick()
1568 {
1569     // Derived classes can override this method for totally custom
1570     // popup action
1571     ShowPopup();
1572 }
1573
1574 void wxComboCtrlBase::ShowPopup()
1575 {
1576     EnsurePopupControl();
1577     wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1578
1579     SetFocus();
1580
1581     // Space above and below
1582     int screenHeight;
1583     wxPoint scrPos;
1584     int spaceAbove;
1585     int spaceBelow;
1586     int maxHeightPopup;
1587     wxSize ctrlSz = GetSize();
1588
1589     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1590     scrPos = GetParent()->ClientToScreen(GetPosition());
1591
1592     spaceAbove = scrPos.y;
1593     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1594
1595     maxHeightPopup = spaceBelow;
1596     if ( spaceAbove > spaceBelow )
1597         maxHeightPopup = spaceAbove;
1598
1599     // Width
1600     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1601
1602     if ( widthPopup < m_widthMinPopup )
1603         widthPopup = m_widthMinPopup;
1604
1605     wxWindow* winPopup = m_winPopup;
1606     wxWindow* popup;
1607
1608     // Need to disable tab traversal of parent
1609     //
1610     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1611     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1612     //     that if transient popup is open, then tab traversal is to be ignored.
1613     //     However, I think this code would still be needed for cases where
1614     //     transient popup doesn't work yet (wxWinCE?).
1615     wxWindow* parent = GetParent();
1616     int parentFlags = parent->GetWindowStyle();
1617     if ( parentFlags & wxTAB_TRAVERSAL )
1618     {
1619         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1620         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1621     }
1622
1623     if ( !winPopup )
1624     {
1625         CreatePopup();
1626         winPopup = m_winPopup;
1627         popup = m_popup;
1628     }
1629     else
1630     {
1631         popup = m_popup;
1632     }
1633
1634     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1635
1636     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1637                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1638                                                             maxHeightPopup);
1639
1640     popup->SetSize(adjustedSize);
1641     popup->Move(0,0);
1642     m_popupInterface->OnPopup();
1643
1644     //
1645     // Reposition and resize popup window
1646     //
1647
1648     wxSize szp = popup->GetSize();
1649
1650     int popupX;
1651     int popupY = scrPos.y + ctrlSz.y;
1652
1653     // Default anchor is wxLEFT
1654     int anchorSide = m_anchorSide;
1655     if ( !anchorSide )
1656         anchorSide = wxLEFT;
1657
1658     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1659     int leftX = scrPos.x - m_extLeft;
1660     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1661
1662     // If there is not enough horizontal space, anchor on the other side.
1663     // If there is no space even then, place the popup at x 0.
1664     if ( anchorSide == wxRIGHT )
1665     {
1666         if ( rightX < 0 )
1667         {
1668             if ( (leftX+szp.x) < screenWidth )
1669                 anchorSide = wxLEFT;
1670             else
1671                 anchorSide = 0;
1672         }
1673     }
1674     else
1675     {
1676         if ( (leftX+szp.x) >= screenWidth )
1677         {
1678             if ( rightX >= 0 )
1679                 anchorSide = wxRIGHT;
1680             else
1681                 anchorSide = 0;
1682         }
1683     }
1684
1685     // Select x coordinate according to the anchor side
1686     if ( anchorSide == wxRIGHT )
1687         popupX = rightX;
1688     else if ( anchorSide == wxLEFT )
1689         popupX = leftX;
1690     else
1691         popupX = 0;
1692
1693     if ( spaceBelow < szp.y )
1694     {
1695         popupY = scrPos.y - szp.y;
1696     }
1697
1698     // Move to position
1699     //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1700     //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1701
1702     // Some platforms (GTK) may need these two to be separate
1703     winPopup->SetSize( szp.x, szp.y );
1704     winPopup->Move( popupX, popupY );
1705
1706     //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1707
1708     m_popup = popup;
1709
1710     // Set string selection (must be this way instead of SetStringSelection)
1711     if ( m_text )
1712     {
1713         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1714             m_text->SelectAll();
1715
1716         m_popupInterface->SetStringValue( m_text->GetValue() );
1717     }
1718     else
1719     {
1720         // This is neede since focus/selection indication may change when popup is shown
1721         Refresh();
1722     }
1723
1724     // This must be after SetStringValue
1725     m_isPopupShown = true;
1726
1727     // Show it
1728 #if USE_TRANSIENT_POPUP
1729     ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1730 #else
1731     winPopup->Show();
1732 #endif
1733
1734 #if INSTALL_TOPLEV_HANDLER
1735     // Put top level window event handler into place
1736     if ( !m_toplevEvtHandler )
1737         m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1738
1739     wxWindow* toplev = ::wxGetTopLevelParent( this );
1740     wxASSERT( toplev );
1741     ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1742     toplev->PushEventHandler( m_toplevEvtHandler );
1743 #endif
1744
1745 }
1746
1747 void wxComboCtrlBase::OnPopupDismiss()
1748 {
1749     // Just in case, avoid double dismiss
1750     if ( !m_isPopupShown )
1751         return;
1752
1753     // *Must* set this before focus etc.
1754     m_isPopupShown = false;
1755
1756     // Inform popup control itself
1757     m_popupInterface->OnDismiss();
1758
1759     if ( m_popupExtraHandler )
1760         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1761
1762 #if INSTALL_TOPLEV_HANDLER
1763     // Remove top level window event handler
1764     if ( m_toplevEvtHandler )
1765     {
1766         wxWindow* toplev = ::wxGetTopLevelParent( this );
1767         if ( toplev )
1768             toplev->RemoveEventHandler( m_toplevEvtHandler );
1769     }
1770 #endif
1771
1772     m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1773
1774     // If cursor not on dropdown button, then clear its state
1775     // (technically not required by all ports, but do it for all just in case)
1776     if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
1777         m_btnState = 0;
1778
1779     // Return parent's tab traversal flag.
1780     // See ShowPopup for notes.
1781     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1782     {
1783         wxWindow* parent = GetParent();
1784         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1785         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1786     }
1787
1788     // refresh control (necessary even if m_text)
1789     Refresh();
1790
1791 #if !wxUSE_POPUPWIN
1792     SetFocus();
1793 #endif
1794
1795 }
1796
1797 void wxComboCtrlBase::HidePopup()
1798 {
1799     // Should be able to call this without popup interface
1800     //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1801     if ( !m_isPopupShown )
1802         return;
1803
1804     // transfer value and show it in textctrl, if any
1805     SetValue( m_popupInterface->GetStringValue() );
1806
1807 #if USE_TRANSIENT_POPUP
1808     ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1809 #else
1810     m_winPopup->Hide();
1811 #endif
1812
1813     OnPopupDismiss();
1814 }
1815
1816 // ----------------------------------------------------------------------------
1817 // customization methods
1818 // ----------------------------------------------------------------------------
1819
1820 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1821                                          int side, int spacingX )
1822 {
1823     m_btnWid = width;
1824     m_btnHei = height;
1825     m_btnSide = side;
1826     m_btnSpacingX = spacingX;
1827
1828     RecalcAndRefresh();
1829 }
1830
1831 wxSize wxComboCtrlBase::GetButtonSize()
1832 {
1833     if ( m_btnSize.x > 0 )
1834         return m_btnSize;
1835
1836     wxSize retSize(m_btnWid,m_btnHei);
1837
1838     // Need to call CalculateAreas now if button size is
1839     // is not explicitly specified.
1840     if ( retSize.x <= 0 || retSize.y <= 0)
1841     {
1842         OnResize();
1843
1844         retSize = m_btnSize;
1845     }
1846
1847     return retSize;
1848 }
1849
1850 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1851                                            bool blankButtonBg,
1852                                            const wxBitmap& bmpPressed,
1853                                            const wxBitmap& bmpHover,
1854                                            const wxBitmap& bmpDisabled )
1855 {
1856     m_bmpNormal = bmpNormal;
1857     m_blankButtonBg = blankButtonBg;
1858
1859     if ( bmpPressed.Ok() )
1860         m_bmpPressed = bmpPressed;
1861     else
1862         m_bmpPressed = bmpNormal;
1863
1864     if ( bmpHover.Ok() )
1865         m_bmpHover = bmpHover;
1866     else
1867         m_bmpHover = bmpNormal;
1868
1869     if ( bmpDisabled.Ok() )
1870         m_bmpDisabled = bmpDisabled;
1871     else
1872         m_bmpDisabled = bmpNormal;
1873
1874     RecalcAndRefresh();
1875 }
1876
1877 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1878 {
1879     if ( m_text )
1880     {
1881         // move textctrl accordingly
1882         wxRect r = m_text->GetRect();
1883         int inc = width - m_widthCustomPaint;
1884         r.x += inc;
1885         r.width -= inc;
1886         m_text->SetSize( r );
1887     }
1888
1889     m_widthCustomPaint = width;
1890
1891     RecalcAndRefresh();
1892 }
1893
1894 void wxComboCtrlBase::SetTextIndent( int indent )
1895 {
1896     if ( indent < 0 )
1897     {
1898         m_absIndent = GetNativeTextIndent();
1899         m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1900     }
1901     else
1902     {
1903         m_absIndent = indent;
1904         m_iFlags |= wxCC_IFLAG_INDENT_SET;
1905     }
1906
1907     RecalcAndRefresh();
1908 }
1909
1910 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1911 {
1912     return DEFAULT_TEXT_INDENT;
1913 }
1914
1915 // ----------------------------------------------------------------------------
1916 // methods forwarded to wxTextCtrl
1917 // ----------------------------------------------------------------------------
1918
1919 wxString wxComboCtrlBase::GetValue() const
1920 {
1921     if ( m_text )
1922         return m_text->GetValue();
1923     return m_valueString;
1924 }
1925
1926 void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
1927 {
1928     if ( m_text )
1929     {
1930         if ( !withEvent )
1931             m_ignoreEvtText++;
1932
1933         m_text->SetValue(value);
1934         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1935             m_text->SelectAll();
1936     }
1937
1938     m_valueString = value;
1939
1940     Refresh();
1941
1942     // Since wxComboPopup may want to paint the combo as well, we need
1943     // to set the string value here (as well as sometimes in ShowPopup).
1944     if ( m_valueString != value && m_popupInterface )
1945     {
1946         m_popupInterface->SetStringValue(value);
1947     }
1948 }
1949
1950 void wxComboCtrlBase::SetValue(const wxString& value)
1951 {
1952     SetValueWithEvent(value, false);
1953 }
1954
1955 // In this SetValue variant wxComboPopup::SetStringValue is not called
1956 void wxComboCtrlBase::SetText(const wxString& value)
1957 {
1958     // Unlike in SetValue(), this must be called here or
1959     // the behaviour will no be consistent in readonlys.
1960     EnsurePopupControl();
1961
1962     m_valueString = value;
1963
1964     if ( m_text )
1965     {
1966         m_ignoreEvtText++;
1967         m_text->SetValue( value );
1968     }
1969
1970     Refresh();
1971 }
1972
1973 void wxComboCtrlBase::Copy()
1974 {
1975     if ( m_text )
1976         m_text->Copy();
1977 }
1978
1979 void wxComboCtrlBase::Cut()
1980 {
1981     if ( m_text )
1982         m_text->Cut();
1983 }
1984
1985 void wxComboCtrlBase::Paste()
1986 {
1987     if ( m_text )
1988         m_text->Paste();
1989 }
1990
1991 void wxComboCtrlBase::SetInsertionPoint(long pos)
1992 {
1993     if ( m_text )
1994         m_text->SetInsertionPoint(pos);
1995 }
1996
1997 void wxComboCtrlBase::SetInsertionPointEnd()
1998 {
1999     if ( m_text )
2000         m_text->SetInsertionPointEnd();
2001 }
2002
2003 long wxComboCtrlBase::GetInsertionPoint() const
2004 {
2005     if ( m_text )
2006         return m_text->GetInsertionPoint();
2007
2008     return 0;
2009 }
2010
2011 long wxComboCtrlBase::GetLastPosition() const
2012 {
2013     if ( m_text )
2014         return m_text->GetLastPosition();
2015
2016     return 0;
2017 }
2018
2019 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2020 {
2021     if ( m_text )
2022         m_text->Replace(from, to, value);
2023 }
2024
2025 void wxComboCtrlBase::Remove(long from, long to)
2026 {
2027     if ( m_text )
2028         m_text->Remove(from, to);
2029 }
2030
2031 void wxComboCtrlBase::SetSelection(long from, long to)
2032 {
2033     if ( m_text )
2034         m_text->SetSelection(from, to);
2035 }
2036
2037 void wxComboCtrlBase::Undo()
2038 {
2039     if ( m_text )
2040         m_text->Undo();
2041 }
2042
2043 #endif // wxUSE_COMBOCTRL