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                    400
  57
  58 #define DEFAULT_TEXT_INDENT                     3
  59
  60 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  61
  62
  63 #if defined(__WXMSW__)
  64
  65 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  66
  67 //#undef wxUSE_POPUPWIN
  68 //#define wxUSE_POPUPWIN 0
  69
  70 #elif defined(__WXGTK__)
  71
  72 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  73
  74 #elif defined(__WXMAC__)
  75
  76 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  77
  78 #else
  79
  80 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  81
  82 #endif
  83
  84
  85 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
  86 // what the wxUSE_POPUPWIN says.
  87 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
  88 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
  89 #undef wxUSE_POPUPWIN
  90 #define wxUSE_POPUPWIN 0
  91 #endif
  92
  93
  94 #if wxUSE_POPUPWIN
  95     #include "wx/popupwin.h"
  96 #else
  97     #undef USE_TRANSIENT_POPUP
  98     #define USE_TRANSIENT_POPUP 0
  99 #endif
 100
 101
 102 #if USE_TRANSIENT_POPUP
 103
 104     #define wxComboPopupWindowBase wxPopupTransientWindow
 105     #define INSTALL_TOPLEV_HANDLER       0
 106
 107 #elif wxUSE_POPUPWIN
 108
 109     #define wxComboPopupWindowBase wxPopupWindow
 110     #define INSTALL_TOPLEV_HANDLER       1
 111
 112 #else
 113
 114     #define wxComboPopupWindowBase wxDialog
 115     #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
 116
 117 #endif
 118
 119
 120
 121 //
 122 // ** TODO **
 123 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 124 //
 125
 126
 127 // ----------------------------------------------------------------------------
 128 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 129 // in its top level parent.
 130 // ----------------------------------------------------------------------------
 131
 132 #if INSTALL_TOPLEV_HANDLER
 133
 134 //
 135 // This will no longer be necessary after wxTransientPopupWindow
 136 // works well on all platforms.
 137 //
 138
 139 class wxComboFrameEventHandler : public wxEvtHandler
 140 {
 141 public:
 142     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 143     virtual ~wxComboFrameEventHandler();
 144
 145     void OnPopup();
 146
 147     void OnIdle( wxIdleEvent& event );
 148     void OnMouseEvent( wxMouseEvent& event );
 149     void OnActivate( wxActivateEvent& event );
 150     void OnResize( wxSizeEvent& event );
 151     void OnMove( wxMoveEvent& event );
 152     void OnMenuEvent( wxMenuEvent& event );
 153     void OnClose( wxCloseEvent& event );
 154
 155 protected:
 156     wxWindow*                       m_focusStart;
 157     wxComboCtrlBase*     m_combo;
 158
 159 private:
 160     DECLARE_EVENT_TABLE()
 161 };
 162
 163 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 164     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 165     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 166     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 167     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 168     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 169     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 170     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 171     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 172     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 173 END_EVENT_TABLE()
 174
 175 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 176     : wxEvtHandler()
 177 {
 178     m_combo = combo;
 179 }
 180
 181 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 182 {
 183 }
 184
 185 void wxComboFrameEventHandler::OnPopup()
 186 {
 187     m_focusStart = ::wxWindow::FindFocus();
 188 }
 189
 190 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 191 {
 192     wxWindow* winFocused = ::wxWindow::FindFocus();
 193
 194     wxWindow* popup = m_combo->GetPopupControl()->GetControl();
 195     wxWindow* winpopup = m_combo->GetPopupWindow();
 196
 197     if (
 198          winFocused != m_focusStart &&
 199          winFocused != popup &&
 200          winFocused->GetParent() != popup &&
 201          winFocused != winpopup &&
 202          winFocused->GetParent() != winpopup &&
 203          winFocused != m_combo &&
 204          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 205         )
 206     {
 207         m_combo->HidePopup();
 208     }
 209
 210     event.Skip();
 211 }
 212
 213 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 214 {
 215     m_combo->HidePopup();
 216     event.Skip();
 217 }
 218
 219 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 220 {
 221     m_combo->HidePopup();
 222     event.Skip();
 223 }
 224
 225 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 226 {
 227     m_combo->HidePopup();
 228     event.Skip();
 229 }
 230
 231 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 232 {
 233     m_combo->HidePopup();
 234     event.Skip();
 235 }
 236
 237 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 238 {
 239     m_combo->HidePopup();
 240     event.Skip();
 241 }
 242
 243 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 244 {
 245     m_combo->HidePopup();
 246     event.Skip();
 247 }
 248
 249 #endif // INSTALL_TOPLEV_HANDLER
 250
 251 // ----------------------------------------------------------------------------
 252 // wxComboPopupWindow is wxPopupWindow customized for
 253 // wxComboCtrl.
 254 // ----------------------------------------------------------------------------
 255
 256 class wxComboPopupWindow : public wxComboPopupWindowBase
 257 {
 258 public:
 259
 260     wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
 261
 262 #if USE_TRANSIENT_POPUP
 263     virtual bool ProcessLeftDown(wxMouseEvent& event);
 264 #endif
 265
 266     void OnKeyEvent(wxKeyEvent& event);
 267
 268     void OnMouseEvent( wxMouseEvent& event );
 269 #if !wxUSE_POPUPWIN
 270     void OnActivate( wxActivateEvent& event );
 271 #endif
 272
 273 protected:
 274
 275 #if USE_TRANSIENT_POPUP
 276     virtual void OnDismiss();
 277 #endif
 278
 279 private:
 280     DECLARE_EVENT_TABLE()
 281 };
 282
 283
 284 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
 285     EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
 286 #if !wxUSE_POPUPWIN
 287     EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
 288 #endif
 289     EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
 290     EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
 291 END_EVENT_TABLE()
 292
 293
 294 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
 295                                         int style )
 296 #if wxUSE_POPUPWIN
 297                                        : wxComboPopupWindowBase(parent,style)
 298 #else
 299                                        : wxComboPopupWindowBase(parent,
 300                                                                 wxID_ANY,
 301                                                                 wxEmptyString,
 302                                                                 wxPoint(-21,-21),
 303                                                                 wxSize(20,20),
 304                                                                 style)
 305 #endif
 306 {
 307 }
 308
 309 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
 310 {
 311     // Relay keyboard event to the main child controls
 312     // (just skipping may just cause the popup to close)
 313     wxWindowList children = GetChildren();
 314     wxWindowList::iterator node = children.begin();
 315     wxWindow* child = (wxWindow*)*node;
 316     child->AddPendingEvent(event);
 317 }
 318
 319 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
 320 {
 321     event.Skip();
 322 }
 323
 324 #if !wxUSE_POPUPWIN
 325 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
 326 {
 327     if ( !event.GetActive() )
 328     {
 329         // Tell combo control that we are dismissed.
 330         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 331         wxASSERT( combo );
 332         wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
 333
 334         combo->HidePopup();
 335
 336         event.Skip();
 337     }
 338 }
 339 #endif
 340
 341 #if USE_TRANSIENT_POPUP
 342 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
 343 {
 344     return wxComboPopupWindowBase::ProcessLeftDown(event);
 345 }
 346 #endif
 347
 348 #if USE_TRANSIENT_POPUP
 349 // First thing that happens when a transient popup closes is that this method gets called.
 350 void wxComboPopupWindow::OnDismiss()
 351 {
 352     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 353     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 354                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 355
 356     combo->OnPopupDismiss();
 357 }
 358 #endif
 359
 360 // ----------------------------------------------------------------------------
 361 // wxComboPopup
 362 //
 363 // ----------------------------------------------------------------------------
 364
 365 wxComboPopup::~wxComboPopup()
 366 {
 367 }
 368
 369 void wxComboPopup::OnPopup()
 370 {
 371 }
 372
 373 void wxComboPopup::OnDismiss()
 374 {
 375 }
 376
 377 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 378                                       int prefHeight,
 379                                       int WXUNUSED(maxHeight) )
 380 {
 381     return wxSize(minWidth,prefHeight);
 382 }
 383
 384 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 385                                              wxDC& dc, const wxRect& rect )
 386 {
 387     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 388     {
 389         combo->PrepareBackground(dc,rect,0);
 390
 391         dc.DrawText( combo->GetValue(),
 392                      rect.x + combo->GetTextIndent(),
 393                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 394     }
 395 }
 396
 397 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 398 {
 399     DefaultPaintComboControl(m_combo,dc,rect);
 400 }
 401
 402 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 403 {
 404     event.Skip();
 405 }
 406
 407 void wxComboPopup::OnComboDoubleClick()
 408 {
 409 }
 410
 411 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 412 {
 413 }
 414
 415 bool wxComboPopup::LazyCreate()
 416 {
 417     return false;
 418 }
 419
 420 void wxComboPopup::Dismiss()
 421 {
 422     m_combo->HidePopup();
 423 }
 424
 425 // ----------------------------------------------------------------------------
 426 // input handling
 427 // ----------------------------------------------------------------------------
 428
 429 //
 430 // This is pushed to the event handler queue of the child textctrl.
 431 //
 432 class wxComboBoxExtraInputHandler : public wxEvtHandler
 433 {
 434 public:
 435
 436     wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
 437         : wxEvtHandler()
 438     {
 439         m_combo = combo;
 440     }
 441     virtual ~wxComboBoxExtraInputHandler() { }
 442     void OnKey(wxKeyEvent& event);
 443     void OnFocus(wxFocusEvent& event);
 444
 445 protected:
 446     wxComboCtrlBase*   m_combo;
 447
 448 private:
 449     DECLARE_EVENT_TABLE()
 450 };
 451
 452
 453 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
 454     EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
 455     EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 456 END_EVENT_TABLE()
 457
 458
 459 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 460 {
 461     // Let the wxComboCtrl event handler have a go first.
 462     wxComboCtrlBase* combo = m_combo;
 463     wxObject* prevObj = event.GetEventObject();
 464
 465     event.SetId(combo->GetId());
 466     event.SetEventObject(combo);
 467     combo->GetEventHandler()->ProcessEvent(event);
 468
 469     event.SetId(((wxWindow*)prevObj)->GetId());
 470     event.SetEventObject(prevObj);
 471 }
 472
 473 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
 474 {
 475     // FIXME: This code does run when control is clicked,
 476     //        yet on Windows it doesn't select all the text.
 477     if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
 478     {
 479         if ( m_combo->GetTextCtrl() )
 480             m_combo->GetTextCtrl()->SelectAll();
 481         else
 482             m_combo->SetSelection(-1,-1);
 483     }
 484
 485     // Send focus indication to parent.
 486     // NB: This is needed for cases where the textctrl gets focus
 487     //     instead of its parent. While this may trigger multiple
 488     //     wxEVT_SET_FOCUSes (since m_text->SetFocus is called
 489     //     from combo's focus event handler), they should be quite
 490     //     harmless.
 491     wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
 492     evt2.SetEventObject(m_combo);
 493     m_combo->GetEventHandler()->ProcessEvent(evt2);
 494
 495     event.Skip();
 496 }
 497
 498
 499 //
 500 // This is pushed to the event handler queue of the control in popup.
 501 //
 502
 503 class wxComboPopupExtraEventHandler : public wxEvtHandler
 504 {
 505 public:
 506
 507     wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
 508         : wxEvtHandler()
 509     {
 510         m_combo = combo;
 511         m_beenInside = false;
 512     }
 513     virtual ~wxComboPopupExtraEventHandler() { }
 514
 515     void OnMouseEvent( wxMouseEvent& event );
 516
 517     // Called from wxComboCtrlBase::OnPopupDismiss
 518     void OnPopupDismiss()
 519     {
 520         m_beenInside = false;
 521     }
 522
 523 protected:
 524     wxComboCtrlBase*     m_combo;
 525
 526     bool                    m_beenInside;
 527
 528 private:
 529     DECLARE_EVENT_TABLE()
 530 };
 531
 532
 533 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
 534     EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
 535 END_EVENT_TABLE()
 536
 537
 538 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
 539 {
 540     wxPoint pt = event.GetPosition();
 541     wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
 542     int evtType = event.GetEventType();
 543     bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
 544
 545     if ( evtType == wxEVT_MOTION ||
 546          evtType == wxEVT_LEFT_DOWN ||
 547          evtType == wxEVT_RIGHT_DOWN )
 548     {
 549         // Block motion and click events outside the popup
 550         if ( !isInside )
 551         {
 552             event.Skip(false);
 553             return;
 554         }
 555     }
 556     else if ( evtType == wxEVT_LEFT_UP )
 557     {
 558         // Don't let left-down events in if outside
 559         if ( evtType == wxEVT_LEFT_DOWN )
 560         {
 561             if ( !isInside )
 562                 return;
 563         }
 564
 565         if ( !m_beenInside )
 566         {
 567             if ( isInside )
 568             {
 569                 m_beenInside = true;
 570             }
 571             else
 572             {
 573                 //
 574                 // Some mouse events to popup that happen outside it, before cursor
 575                 // has been inside the popu, need to be ignored by it but relayed to
 576                 // the dropbutton.
 577                 //
 578                 wxWindow* btn = m_combo->GetButton();
 579                 if ( btn )
 580                     btn->GetEventHandler()->AddPendingEvent(event);
 581                 else
 582                     m_combo->GetEventHandler()->AddPendingEvent(event);
 583
 584                 return;
 585             }
 586
 587             event.Skip();
 588         }
 589     }
 590
 591     event.Skip();
 592 }
 593
 594 // ----------------------------------------------------------------------------
 595 // wxComboCtrlBase
 596 // ----------------------------------------------------------------------------
 597
 598
 599 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
 600     EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 601     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
 602     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
 603     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
 604     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
 605     EVT_KEY_DOWN(wxComboCtrlBase::OnKeyEvent)
 606     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 607     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 608 END_EVENT_TABLE()
 609
 610
 611 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
 612
 613 // Have global double buffer - should be enough for multiple combos
 614 static wxBitmap* gs_doubleBuffer = (wxBitmap*) NULL;
 615
 616 void wxComboCtrlBase::Init()
 617 {
 618     m_winPopup = (wxWindow *)NULL;
 619     m_popup = (wxWindow *)NULL;
 620     m_isPopupShown = false;
 621     m_btn = (wxWindow*) NULL;
 622     m_text = (wxTextCtrl*) NULL;
 623     m_popupInterface = (wxComboPopup*) NULL;
 624
 625     m_popupExtraHandler = (wxEvtHandler*) NULL;
 626     m_textEvtHandler = (wxEvtHandler*) NULL;
 627
 628 #if INSTALL_TOPLEV_HANDLER
 629     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 630 #endif
 631
 632     m_heightPopup = -1;
 633     m_widthMinPopup = -1;
 634     m_anchorSide = 0;
 635     m_widthCustomPaint = 0;
 636     m_widthCustomBorder = 0;
 637
 638     m_btnState = 0;
 639     m_btnWidDefault = 0;
 640     m_blankButtonBg = false;
 641     m_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         // 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         // Ignore EVT_TEXT generated by the constructor (but only
 714         // if the event redirector already exists)
 715         // NB: This must be " = 1" instead of "++";
 716         if ( m_textEvtHandler )
 717             m_ignoreEvtText = 1;
 718         else
 719             m_ignoreEvtText = 0;
 720
 721         m_text = new wxTextCtrl(this, wxID_ANY, m_valueString,
 722                                 wxDefaultPosition, wxDefaultSize,
 723                                 style, validator);
 724
 725         // This is required for some platforms (GTK+ atleast)
 726         m_text->SetSizeHints(2,4);
 727     }
 728 }
 729
 730 void wxComboCtrlBase::OnThemeChange()
 731 {
 732     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 733 }
 734
 735 wxComboCtrlBase::~wxComboCtrlBase()
 736 {
 737     if ( HasCapture() )
 738         ReleaseMouse();
 739
 740     delete gs_doubleBuffer;
 741     gs_doubleBuffer = (wxBitmap*) NULL;
 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 ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
 890     {
 891         // Centre textctrl
 892         int tcSizeY = m_text->GetBestSize().y;
 893         int diff = sz.y - tcSizeY;
 894         int y = textCtrlYAdjust + (diff/2);
 895
 896         if ( y < customBorder )
 897             y = customBorder;
 898
 899         m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
 900                          y,
 901                          m_tcArea.width - COMBO_MARGIN -
 902                          (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
 903                          -1 );
 904
 905         // Make sure textctrl doesn't exceed the bottom custom border
 906         wxSize tsz = m_text->GetSize();
 907         diff = (y + tsz.y) - (sz.y - customBorder);
 908         if ( diff >= 0 )
 909         {
 910             tsz.y = tsz.y - diff - 1;
 911             m_text->SetSize(tsz);
 912         }
 913     }
 914     else
 915     {
 916         m_text->SetSize( m_tcArea.x,
 917                          0,
 918                          sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
 919                          sz.y );
 920     }
 921 }
 922
 923 wxSize wxComboCtrlBase::DoGetBestSize() const
 924 {
 925     wxSize sizeText(150,0);
 926
 927     if ( m_text )
 928         sizeText = m_text->GetBestSize();
 929
 930     // TODO: Better method to calculate close-to-native control height.
 931
 932     int fhei;
 933     if ( m_font.Ok() )
 934         fhei = (m_font.GetPointSize()*2) + 5;
 935     else if ( wxNORMAL_FONT->Ok() )
 936         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
 937     else
 938         fhei = sizeText.y + 4;
 939
 940     // Need to force height to accomodate bitmap?
 941     int btnSizeY = m_btnSize.y;
 942     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
 943         fhei = btnSizeY;
 944
 945     // Control height doesn't depend on border
 946 /*
 947     // Add border
 948     int border = m_windowStyle & wxBORDER_MASK;
 949     if ( border == wxSIMPLE_BORDER )
 950         fhei += 2;
 951     else if ( border == wxNO_BORDER )
 952         fhei += (m_widthCustomBorder*2);
 953     else
 954         // Sunken etc.
 955         fhei += 4;
 956 */
 957
 958     // Final adjustments
 959 #ifdef __WXGTK__
 960     fhei += 1;
 961 #endif
 962
 963     wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
 964                fhei);
 965
 966     CacheBestSize(ret);
 967     return ret;
 968 }
 969
 970 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
 971 {
 972     if ( !IsCreated() )
 973         return;
 974
 975     // defined by actual wxComboCtrls
 976     OnResize();
 977
 978     event.Skip();
 979 }
 980
 981 // ----------------------------------------------------------------------------
 982 // standard operations
 983 // ----------------------------------------------------------------------------
 984
 985 bool wxComboCtrlBase::Enable(bool enable)
 986 {
 987     if ( !wxControl::Enable(enable) )
 988         return false;
 989
 990     if ( m_btn )
 991         m_btn->Enable(enable);
 992     if ( m_text )
 993         m_text->Enable(enable);
 994
 995     return true;
 996 }
 997
 998 bool wxComboCtrlBase::Show(bool show)
 999 {
1000     if ( !wxControl::Show(show) )
1001         return false;
1002
1003     if (m_btn)
1004         m_btn->Show(show);
1005
1006     if (m_text)
1007         m_text->Show(show);
1008
1009     return true;
1010 }
1011
1012 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1013 {
1014     if ( !wxControl::SetFont(font) )
1015         return false;
1016
1017     if (m_text)
1018         m_text->SetFont(font);
1019
1020     return true;
1021 }
1022
1023 #if wxUSE_TOOLTIPS
1024 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1025 {
1026     wxControl::DoSetToolTip(tooltip);
1027
1028     // Set tool tip for button and text box
1029     if ( tooltip )
1030     {
1031         const wxString &tip = tooltip->GetTip();
1032         if ( m_text ) m_text->SetToolTip(tip);
1033         if ( m_btn ) m_btn->SetToolTip(tip);
1034     }
1035     else
1036     {
1037         if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1038         if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1039     }
1040 }
1041 #endif // wxUSE_TOOLTIPS
1042
1043 // ----------------------------------------------------------------------------
1044 // painting
1045 // ----------------------------------------------------------------------------
1046
1047 #if (!defined(__WXMSW__)) || defined(__WXUNIVERSAL__)
1048 // prepare combo box background on area in a way typical on platform
1049 void wxComboCtrlBase::PrepareBackground( wxDC& dc, const wxRect& rect, int flags ) const
1050 {
1051     wxSize sz = GetClientSize();
1052     bool isEnabled;
1053     bool isFocused; // also selected
1054
1055     // For smaller size control (and for disabled background) use less spacing
1056     int focusSpacingX;
1057     int focusSpacingY;
1058
1059     if ( !(flags & wxCONTROL_ISSUBMENU) )
1060     {
1061         // Drawing control
1062         isEnabled = IsEnabled();
1063         isFocused = ShouldDrawFocus();
1064
1065         // Windows-style: for smaller size control (and for disabled background) use less spacing
1066         focusSpacingX = isEnabled ? 2 : 1;
1067         focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1068     }
1069     else
1070     {
1071         // Drawing a list item
1072         isEnabled = true; // they are never disabled
1073         isFocused = flags & wxCONTROL_SELECTED ? true : false;
1074
1075         focusSpacingX = 0;
1076         focusSpacingY = 0;
1077     }
1078
1079     // Set the background sub-rectangle for selection, disabled etc
1080     wxRect selRect(rect);
1081     selRect.y += focusSpacingY;
1082     selRect.height -= (focusSpacingY*2);
1083
1084     int wcp = 0;
1085
1086     if ( !(flags & wxCONTROL_ISSUBMENU) )
1087         wcp += m_widthCustomPaint;
1088
1089     selRect.x += wcp + focusSpacingX;
1090     selRect.width -= wcp + (focusSpacingX*2);
1091
1092     wxColour bgCol;
1093
1094     if ( isEnabled )
1095     {
1096         // If popup is hidden and this control is focused,
1097         // then draw the focus-indicator (selbgcolor background etc.).
1098         if ( isFocused )
1099         {
1100             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1101             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1102         }
1103         else
1104         {
1105             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1106             bgCol = GetBackgroundColour();
1107         }
1108     }
1109     else
1110     {
1111         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1112         bgCol = GetBackgroundColour();
1113     }
1114
1115     dc.SetBrush( bgCol );
1116     dc.SetPen( bgCol );
1117     dc.DrawRectangle( selRect );
1118
1119     // Don't clip exactly to the selection rectangle so we can draw
1120     // to the non-selected area in front of it.
1121     wxRect clipRect(rect.x,rect.y,
1122                     (selRect.x+selRect.width)-rect.x,rect.height);
1123     dc.SetClippingRegion(clipRect);
1124 }
1125 #else
1126 // Save the library size a bit for platforms that re-implement this.
1127 void wxComboCtrlBase::PrepareBackground( wxDC&, const wxRect&, int ) const
1128 {
1129 }
1130 #endif
1131
1132 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1133 {
1134     int drawState = m_btnState;
1135
1136 #ifdef __WXGTK__
1137     if ( m_isPopupShown )
1138         drawState |= wxCONTROL_PRESSED;
1139 #endif
1140
1141     wxRect drawRect(rect.x+m_btnSpacingX,
1142                     rect.y+((rect.height-m_btnSize.y)/2),
1143                     m_btnSize.x,
1144                     m_btnSize.y);
1145
1146     // Make sure area is not larger than the control
1147     if ( drawRect.y < rect.y )
1148         drawRect.y = rect.y;
1149     if ( drawRect.height > rect.height )
1150         drawRect.height = rect.height;
1151
1152     bool enabled = IsEnabled();
1153
1154     if ( !enabled )
1155         drawState |= wxCONTROL_DISABLED;
1156
1157     if ( !m_bmpNormal.Ok() )
1158     {
1159         // Need to clear button background even if m_btn is present
1160         if ( paintBg )
1161         {
1162             wxColour bgCol;
1163
1164             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1165                 bgCol = GetParent()->GetBackgroundColour();
1166             else
1167                 bgCol = GetBackgroundColour();
1168
1169             dc.SetBrush(bgCol);
1170             dc.SetPen(bgCol);
1171             dc.DrawRectangle(rect);
1172         }
1173
1174         // Draw standard button
1175         wxRendererNative::Get().DrawComboBoxDropButton(this,
1176                                                        dc,
1177                                                        drawRect,
1178                                                        drawState);
1179     }
1180     else
1181     {
1182         // Draw bitmap
1183
1184         wxBitmap* pBmp;
1185
1186         if ( !enabled )
1187             pBmp = &m_bmpDisabled;
1188         else if ( m_btnState & wxCONTROL_PRESSED )
1189             pBmp = &m_bmpPressed;
1190         else if ( m_btnState & wxCONTROL_CURRENT )
1191             pBmp = &m_bmpHover;
1192         else
1193             pBmp = &m_bmpNormal;
1194
1195         if ( m_blankButtonBg )
1196         {
1197             // If using blank button background, we need to clear its background
1198             // with button face colour instead of colour for rest of the control.
1199             if ( paintBg )
1200             {
1201                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1202                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1203                 dc.SetPen(bgCol);
1204                 dc.SetBrush(bgCol);
1205                 dc.DrawRectangle(rect);
1206             }
1207
1208             wxRendererNative::Get().DrawPushButton(this,
1209                                                    dc,
1210                                                    drawRect,
1211                                                    drawState);
1212
1213         }
1214         else
1215
1216         {
1217             // Need to clear button background even if m_btn is present
1218             // (assume non-button background was cleared just before this call so brushes are good)
1219             if ( paintBg )
1220                 dc.DrawRectangle(rect);
1221         }
1222
1223         // Draw bitmap centered in drawRect
1224         dc.DrawBitmap(*pBmp,
1225                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1226                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1227                       true);
1228     }
1229 }
1230
1231 void wxComboCtrlBase::RecalcAndRefresh()
1232 {
1233     if ( IsCreated() )
1234     {
1235         wxSizeEvent evt(GetSize(),GetId());
1236         GetEventHandler()->ProcessEvent(evt);
1237         Refresh();
1238     }
1239 }
1240
1241 wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
1242 {
1243     // If size is larger, recalculate double buffer bitmap
1244     if ( !gs_doubleBuffer ||
1245          sz.x > gs_doubleBuffer->GetWidth() ||
1246          sz.y > gs_doubleBuffer->GetHeight() )
1247     {
1248         delete gs_doubleBuffer;
1249         gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1250     }
1251     return *gs_doubleBuffer;
1252 }
1253
1254 // ----------------------------------------------------------------------------
1255 // miscellaneous event handlers
1256 // ----------------------------------------------------------------------------
1257
1258 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1259 {
1260     if ( event.GetEventType() == wxEVT_COMMAND_TEXT_UPDATED )
1261     {
1262         if ( m_ignoreEvtText > 0 )
1263         {
1264             m_ignoreEvtText--;
1265             return;
1266         }
1267     }
1268
1269     // Change event id, object and string before relaying it forward
1270     event.SetId(GetId());
1271     wxString s = event.GetString();
1272     event.SetEventObject(this);
1273     event.SetString(s);
1274     event.Skip();
1275 }
1276
1277 // call if cursor is on button area or mouse is captured for the button
1278 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1279                                                  int flags )
1280 {
1281     int type = event.GetEventType();
1282
1283     if ( type == wxEVT_MOTION )
1284     {
1285         if ( flags & wxCC_MF_ON_BUTTON )
1286         {
1287             if ( !(m_btnState & wxCONTROL_CURRENT) )
1288             {
1289                 // Mouse hover begins
1290                 m_btnState |= wxCONTROL_CURRENT;
1291                 if ( HasCapture() ) // Retain pressed state.
1292                     m_btnState |= wxCONTROL_PRESSED;
1293                 Refresh();
1294             }
1295         }
1296         else if ( (m_btnState & wxCONTROL_CURRENT) )
1297         {
1298             // Mouse hover ends
1299             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1300             Refresh();
1301         }
1302     }
1303     else if ( type == wxEVT_LEFT_DOWN )
1304     {
1305         // Only accept event if it wasn't right after popup dismiss
1306         //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1307         {
1308             // Need to test this, because it might be outside.
1309             if ( flags & wxCC_MF_ON_BUTTON )
1310             {
1311                 m_btnState |= wxCONTROL_PRESSED;
1312                 Refresh();
1313
1314                 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1315                     OnButtonClick();
1316                 else
1317                     // If showing popup now, do not capture mouse or there will be interference
1318                     CaptureMouse();
1319             }
1320         }
1321         /*else
1322         {
1323             m_btnState = 0;
1324         }*/
1325     }
1326     else if ( type == wxEVT_LEFT_UP )
1327     {
1328
1329         // Only accept event if mouse was left-press was previously accepted
1330         if ( HasCapture() )
1331             ReleaseMouse();
1332
1333         if ( m_btnState & wxCONTROL_PRESSED )
1334         {
1335             // If mouse was inside, fire the click event.
1336             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1337             {
1338                 if ( flags & wxCC_MF_ON_BUTTON )
1339                     OnButtonClick();
1340             }
1341
1342             m_btnState &= ~(wxCONTROL_PRESSED);
1343             Refresh();
1344         }
1345     }
1346     else if ( type == wxEVT_LEAVE_WINDOW )
1347     {
1348         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1349         {
1350             m_btnState &= ~(wxCONTROL_CURRENT);
1351
1352             // Mouse hover ends
1353             if ( !m_isPopupShown )
1354             {
1355                 m_btnState &= ~(wxCONTROL_PRESSED);
1356                 Refresh();
1357             }
1358         }
1359     }
1360     else
1361         return false;
1362
1363     return true;
1364 }
1365
1366 // returns true if event was consumed or filtered
1367 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1368                                             int WXUNUSED(flags) )
1369 {
1370     wxLongLong t = ::wxGetLocalTimeMillis();
1371     int evtType = event.GetEventType();
1372
1373 #if !USE_TRANSIENT_POPUP
1374     if ( m_isPopupShown &&
1375          ( evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_RIGHT_DOWN ) )
1376     {
1377         HidePopup();
1378         return true;
1379     }
1380 #endif
1381
1382     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1383     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1384     {
1385         event.SetEventType(0);
1386         return true;
1387     }
1388
1389     return false;
1390 }
1391
1392 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1393 {
1394     int evtType = event.GetEventType();
1395
1396     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1397          (m_windowStyle & wxCB_READONLY) )
1398     {
1399         if ( m_isPopupShown )
1400         {
1401     #if !wxUSE_POPUPWIN
1402         // Normally do nothing - evt handler should close it for us
1403     #elif !USE_TRANSIENT_POPUP
1404             // Click here always hides the popup.
1405             HidePopup();
1406     #endif
1407         }
1408         else
1409         {
1410             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1411             {
1412                 // In read-only mode, clicking the text is the
1413                 // same as clicking the button.
1414                 OnButtonClick();
1415             }
1416             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1417             {
1418                 //if ( m_popupInterface->CycleValue() )
1419                 //    Refresh();
1420                 if ( m_popupInterface )
1421                     m_popupInterface->OnComboDoubleClick();
1422             }
1423         }
1424     }
1425     else
1426     if ( m_isPopupShown )
1427     {
1428         // relay (some) mouse events to the popup
1429         if ( evtType == wxEVT_MOUSEWHEEL )
1430             m_popup->AddPendingEvent(event);
1431     }
1432     else if ( evtType )
1433         event.Skip();
1434 }
1435
1436 void wxComboCtrlBase::OnKeyEvent(wxKeyEvent& event)
1437 {
1438     if ( IsPopupShown() )
1439     {
1440         // pass it to the popped up control
1441         GetPopupControl()->GetControl()->AddPendingEvent(event);
1442     }
1443     else // no popup
1444     {
1445         int keycode = event.GetKeyCode();
1446
1447         if ( keycode == WXK_TAB )
1448         {
1449             wxNavigationKeyEvent evt;
1450             evt.SetFlags(wxNavigationKeyEvent::FromTab|
1451                          (!event.ShiftDown() ? wxNavigationKeyEvent::IsForward
1452                                              : wxNavigationKeyEvent::IsBackward));
1453             evt.SetEventObject(this);
1454             GetParent()->GetEventHandler()->AddPendingEvent(evt);
1455             return;
1456         }
1457
1458         if ( IsKeyPopupToggle(event) )
1459         {
1460             OnButtonClick();
1461             return;
1462         }
1463
1464         int comboStyle = GetWindowStyle();
1465         wxComboPopup* popupInterface = GetPopupControl();
1466
1467         if ( !popupInterface )
1468         {
1469             event.Skip();
1470             return;
1471         }
1472
1473         if ( (comboStyle & wxCB_READONLY) ||
1474              (keycode != WXK_RIGHT && keycode != WXK_LEFT) )
1475         {
1476             popupInterface->OnComboKeyEvent(event);
1477         }
1478         else
1479             event.Skip();
1480     }
1481 }
1482
1483 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& event )
1484 {
1485     if ( event.GetEventType() == wxEVT_SET_FOCUS )
1486     {
1487         if ( m_text && m_text != ::wxWindow::FindFocus() )
1488             m_text->SetFocus();
1489     }
1490
1491     Refresh();
1492 }
1493
1494 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1495 {
1496     OnThemeChange();
1497     // indentation may also have changed
1498     if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1499         m_absIndent = GetNativeTextIndent();
1500     RecalcAndRefresh();
1501 }
1502
1503 // ----------------------------------------------------------------------------
1504 // popup handling
1505 // ----------------------------------------------------------------------------
1506
1507 // Create popup window and the child control
1508 void wxComboCtrlBase::CreatePopup()
1509 {
1510     wxComboPopup* popupInterface = m_popupInterface;
1511     wxWindow* popup;
1512
1513     if ( !m_winPopup )
1514         m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1515
1516     popupInterface->Create(m_winPopup);
1517     m_popup = popup = popupInterface->GetControl();
1518
1519     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1520     popup->PushEventHandler( m_popupExtraHandler );
1521
1522     // This may be helpful on some platforms
1523     //   (eg. it bypasses a wxGTK popupwindow bug where
1524     //    window is not initially hidden when it should be)
1525     m_winPopup->Hide();
1526
1527     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1528 }
1529
1530 // Destroy popup window and the child control
1531 void wxComboCtrlBase::DestroyPopup()
1532 {
1533     HidePopup();
1534
1535     if ( m_popup )
1536         m_popup->RemoveEventHandler(m_popupExtraHandler);
1537
1538     delete m_popupExtraHandler;
1539
1540     delete m_popupInterface;
1541
1542     if ( m_winPopup )
1543         m_winPopup->Destroy();
1544
1545     m_popupExtraHandler = (wxEvtHandler*) NULL;
1546     m_popupInterface = (wxComboPopup*) NULL;
1547     m_winPopup = (wxWindow*) NULL;
1548     m_popup = (wxWindow*) NULL;
1549 }
1550
1551 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1552 {
1553     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1554
1555     DestroyPopup();
1556
1557     iface->InitBase(this);
1558     iface->Init();
1559
1560     m_popupInterface = iface;
1561
1562     if ( !iface->LazyCreate() )
1563     {
1564         CreatePopup();
1565     }
1566     else
1567     {
1568         m_popup = (wxWindow*) NULL;
1569     }
1570
1571     // This must be done after creation
1572     if ( m_valueString.length() )
1573     {
1574         iface->SetStringValue(m_valueString);
1575         //Refresh();
1576     }
1577 }
1578
1579 // Ensures there is atleast the default popup
1580 void wxComboCtrlBase::EnsurePopupControl()
1581 {
1582     if ( !m_popupInterface )
1583         SetPopupControl(NULL);
1584 }
1585
1586 void wxComboCtrlBase::OnButtonClick()
1587 {
1588     // Derived classes can override this method for totally custom
1589     // popup action
1590     ShowPopup();
1591 }
1592
1593 void wxComboCtrlBase::ShowPopup()
1594 {
1595     EnsurePopupControl();
1596     wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1597
1598     SetFocus();
1599
1600     // Space above and below
1601     int screenHeight;
1602     wxPoint scrPos;
1603     int spaceAbove;
1604     int spaceBelow;
1605     int maxHeightPopup;
1606     wxSize ctrlSz = GetSize();
1607
1608     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1609     scrPos = GetParent()->ClientToScreen(GetPosition());
1610
1611     spaceAbove = scrPos.y;
1612     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1613
1614     maxHeightPopup = spaceBelow;
1615     if ( spaceAbove > spaceBelow )
1616         maxHeightPopup = spaceAbove;
1617
1618     // Width
1619     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1620
1621     if ( widthPopup < m_widthMinPopup )
1622         widthPopup = m_widthMinPopup;
1623
1624     wxWindow* winPopup = m_winPopup;
1625     wxWindow* popup;
1626
1627     // Need to disable tab traversal of parent
1628     //
1629     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1630     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1631     //     that if transient popup is open, then tab traversal is to be ignored.
1632     //     However, I think this code would still be needed for cases where
1633     //     transient popup doesn't work yet (wxWinCE?).
1634     wxWindow* parent = GetParent();
1635     int parentFlags = parent->GetWindowStyle();
1636     if ( parentFlags & wxTAB_TRAVERSAL )
1637     {
1638         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1639         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1640     }
1641
1642     if ( !winPopup )
1643     {
1644         CreatePopup();
1645         winPopup = m_winPopup;
1646         popup = m_popup;
1647     }
1648     else
1649     {
1650         popup = m_popup;
1651     }
1652
1653     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1654
1655     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1656                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1657                                                             maxHeightPopup);
1658
1659     popup->SetSize(adjustedSize);
1660     popup->Move(0,0);
1661     m_popupInterface->OnPopup();
1662
1663     //
1664     // Reposition and resize popup window
1665     //
1666
1667     wxSize szp = popup->GetSize();
1668
1669     int popupX;
1670     int popupY = scrPos.y + ctrlSz.y;
1671
1672     // Default anchor is wxLEFT
1673     int anchorSide = m_anchorSide;
1674     if ( !anchorSide )
1675         anchorSide = wxLEFT;
1676
1677     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1678     int leftX = scrPos.x - m_extLeft;
1679     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1680
1681     // If there is not enough horizontal space, anchor on the other side.
1682     // If there is no space even then, place the popup at x 0.
1683     if ( anchorSide == wxRIGHT )
1684     {
1685         if ( rightX < 0 )
1686         {
1687             if ( (leftX+szp.x) < screenWidth )
1688                 anchorSide = wxLEFT;
1689             else
1690                 anchorSide = 0;
1691         }
1692     }
1693     else
1694     {
1695         if ( (leftX+szp.x) >= screenWidth )
1696         {
1697             if ( rightX >= 0 )
1698                 anchorSide = wxRIGHT;
1699             else
1700                 anchorSide = 0;
1701         }
1702     }
1703
1704     // Select x coordinate according to the anchor side
1705     if ( anchorSide == wxRIGHT )
1706         popupX = rightX;
1707     else if ( anchorSide == wxLEFT )
1708         popupX = leftX;
1709     else
1710         popupX = 0;
1711
1712     if ( spaceBelow < szp.y )
1713     {
1714         popupY = scrPos.y - szp.y;
1715     }
1716
1717     // Move to position
1718     //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1719     //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1720
1721     // Some platforms (GTK) may need these two to be separate
1722     winPopup->SetSize( szp.x, szp.y );
1723     winPopup->Move( popupX, popupY );
1724
1725     //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1726
1727     m_popup = popup;
1728
1729     // Set string selection (must be this way instead of SetStringSelection)
1730     if ( m_text )
1731     {
1732         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1733             m_text->SelectAll();
1734
1735         m_popupInterface->SetStringValue( m_text->GetValue() );
1736     }
1737     else
1738     {
1739         // This is neede since focus/selection indication may change when popup is shown
1740         Refresh();
1741     }
1742
1743     // This must be after SetStringValue
1744     m_isPopupShown = true;
1745
1746     // Show it
1747 #if USE_TRANSIENT_POPUP
1748     ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1749 #else
1750     winPopup->Show();
1751 #endif
1752
1753 #if INSTALL_TOPLEV_HANDLER
1754     // Put top level window event handler into place
1755     if ( !m_toplevEvtHandler )
1756         m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1757
1758     wxWindow* toplev = ::wxGetTopLevelParent( this );
1759     wxASSERT( toplev );
1760     ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1761     toplev->PushEventHandler( m_toplevEvtHandler );
1762 #endif
1763
1764 }
1765
1766 void wxComboCtrlBase::OnPopupDismiss()
1767 {
1768     // Just in case, avoid double dismiss
1769     if ( !m_isPopupShown )
1770         return;
1771
1772     // *Must* set this before focus etc.
1773     m_isPopupShown = false;
1774
1775     // Inform popup control itself
1776     m_popupInterface->OnDismiss();
1777
1778     if ( m_popupExtraHandler )
1779         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1780
1781 #if INSTALL_TOPLEV_HANDLER
1782     // Remove top level window event handler
1783     if ( m_toplevEvtHandler )
1784     {
1785         wxWindow* toplev = ::wxGetTopLevelParent( this );
1786         if ( toplev )
1787             toplev->RemoveEventHandler( m_toplevEvtHandler );
1788     }
1789 #endif
1790
1791     m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1792
1793     // If cursor not on dropdown button, then clear its state
1794     // (technically not required by all ports, but do it for all just in case)
1795     if ( !m_btnArea.Contains(ScreenToClient(::wxGetMousePosition())) )
1796         m_btnState = 0;
1797
1798     // Return parent's tab traversal flag.
1799     // See ShowPopup for notes.
1800     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1801     {
1802         wxWindow* parent = GetParent();
1803         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1804         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1805     }
1806
1807     // refresh control (necessary even if m_text)
1808     Refresh();
1809
1810 #if !wxUSE_POPUPWIN
1811     SetFocus();
1812 #endif
1813
1814 }
1815
1816 void wxComboCtrlBase::HidePopup()
1817 {
1818     // Should be able to call this without popup interface
1819     //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1820     if ( !m_isPopupShown )
1821         return;
1822
1823     // transfer value and show it in textctrl, if any
1824     SetValue( m_popupInterface->GetStringValue() );
1825
1826 #if USE_TRANSIENT_POPUP
1827     ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1828 #else
1829     m_winPopup->Hide();
1830 #endif
1831
1832     OnPopupDismiss();
1833 }
1834
1835 // ----------------------------------------------------------------------------
1836 // customization methods
1837 // ----------------------------------------------------------------------------
1838
1839 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1840                                          int side, int spacingX )
1841 {
1842     m_btnWid = width;
1843     m_btnHei = height;
1844     m_btnSide = side;
1845     m_btnSpacingX = spacingX;
1846
1847     RecalcAndRefresh();
1848 }
1849
1850 wxSize wxComboCtrlBase::GetButtonSize()
1851 {
1852     if ( m_btnSize.x > 0 )
1853         return m_btnSize;
1854
1855     wxSize retSize(m_btnWid,m_btnHei);
1856
1857     // Need to call CalculateAreas now if button size is
1858     // is not explicitly specified.
1859     if ( retSize.x <= 0 || retSize.y <= 0)
1860     {
1861         OnResize();
1862
1863         retSize = m_btnSize;
1864     }
1865
1866     return retSize;
1867 }
1868
1869 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1870                                            bool blankButtonBg,
1871                                            const wxBitmap& bmpPressed,
1872                                            const wxBitmap& bmpHover,
1873                                            const wxBitmap& bmpDisabled )
1874 {
1875     m_bmpNormal = bmpNormal;
1876     m_blankButtonBg = blankButtonBg;
1877
1878     if ( bmpPressed.Ok() )
1879         m_bmpPressed = bmpPressed;
1880     else
1881         m_bmpPressed = bmpNormal;
1882
1883     if ( bmpHover.Ok() )
1884         m_bmpHover = bmpHover;
1885     else
1886         m_bmpHover = bmpNormal;
1887
1888     if ( bmpDisabled.Ok() )
1889         m_bmpDisabled = bmpDisabled;
1890     else
1891         m_bmpDisabled = bmpNormal;
1892
1893     RecalcAndRefresh();
1894 }
1895
1896 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1897 {
1898     if ( m_text )
1899     {
1900         // move textctrl accordingly
1901         wxRect r = m_text->GetRect();
1902         int inc = width - m_widthCustomPaint;
1903         r.x += inc;
1904         r.width -= inc;
1905         m_text->SetSize( r );
1906     }
1907
1908     m_widthCustomPaint = width;
1909
1910     RecalcAndRefresh();
1911 }
1912
1913 void wxComboCtrlBase::SetTextIndent( int indent )
1914 {
1915     if ( indent < 0 )
1916     {
1917         m_absIndent = GetNativeTextIndent();
1918         m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1919     }
1920     else
1921     {
1922         m_absIndent = indent;
1923         m_iFlags |= wxCC_IFLAG_INDENT_SET;
1924     }
1925
1926     RecalcAndRefresh();
1927 }
1928
1929 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1930 {
1931     return DEFAULT_TEXT_INDENT;
1932 }
1933
1934 // ----------------------------------------------------------------------------
1935 // methods forwarded to wxTextCtrl
1936 // ----------------------------------------------------------------------------
1937
1938 wxString wxComboCtrlBase::GetValue() const
1939 {
1940     if ( m_text )
1941         return m_text->GetValue();
1942     return m_valueString;
1943 }
1944
1945 void wxComboCtrlBase::SetValueWithEvent(const wxString& value, bool withEvent)
1946 {
1947     if ( m_text )
1948     {
1949         if ( !withEvent )
1950             m_ignoreEvtText++;
1951
1952         m_text->SetValue(value);
1953         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1954             m_text->SelectAll();
1955     }
1956
1957     m_valueString = value;
1958
1959     Refresh();
1960
1961     // Since wxComboPopup may want to paint the combo as well, we need
1962     // to set the string value here (as well as sometimes in ShowPopup).
1963     if ( m_valueString != value && m_popupInterface )
1964     {
1965         m_popupInterface->SetStringValue(value);
1966     }
1967 }
1968
1969 void wxComboCtrlBase::SetValue(const wxString& value)
1970 {
1971     SetValueWithEvent(value, false);
1972 }
1973
1974 // In this SetValue variant wxComboPopup::SetStringValue is not called
1975 void wxComboCtrlBase::SetText(const wxString& value)
1976 {
1977     // Unlike in SetValue(), this must be called here or
1978     // the behaviour will no be consistent in readonlys.
1979     EnsurePopupControl();
1980
1981     m_valueString = value;
1982
1983     if ( m_text )
1984     {
1985         m_ignoreEvtText++;
1986         m_text->SetValue( value );
1987     }
1988
1989     Refresh();
1990 }
1991
1992 void wxComboCtrlBase::Copy()
1993 {
1994     if ( m_text )
1995         m_text->Copy();
1996 }
1997
1998 void wxComboCtrlBase::Cut()
1999 {
2000     if ( m_text )
2001         m_text->Cut();
2002 }
2003
2004 void wxComboCtrlBase::Paste()
2005 {
2006     if ( m_text )
2007         m_text->Paste();
2008 }
2009
2010 void wxComboCtrlBase::SetInsertionPoint(long pos)
2011 {
2012     if ( m_text )
2013         m_text->SetInsertionPoint(pos);
2014 }
2015
2016 void wxComboCtrlBase::SetInsertionPointEnd()
2017 {
2018     if ( m_text )
2019         m_text->SetInsertionPointEnd();
2020 }
2021
2022 long wxComboCtrlBase::GetInsertionPoint() const
2023 {
2024     if ( m_text )
2025         return m_text->GetInsertionPoint();
2026
2027     return 0;
2028 }
2029
2030 long wxComboCtrlBase::GetLastPosition() const
2031 {
2032     if ( m_text )
2033         return m_text->GetLastPosition();
2034
2035     return 0;
2036 }
2037
2038 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2039 {
2040     if ( m_text )
2041         m_text->Replace(from, to, value);
2042 }
2043
2044 void wxComboCtrlBase::Remove(long from, long to)
2045 {
2046     if ( m_text )
2047         m_text->Remove(from, to);
2048 }
2049
2050 void wxComboCtrlBase::SetSelection(long from, long to)
2051 {
2052     if ( m_text )
2053         m_text->SetSelection(from, to);
2054 }
2055
2056 void wxComboCtrlBase::Undo()
2057 {
2058     if ( m_text )
2059         m_text->Undo();
2060 }
2061
2062 #endif // wxUSE_COMBOCTRL