src/common/combocmn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/combocmn.cpp
   3 // Purpose:     wxComboCtrlBase
   4 // Author:      Jaakko Salli
   5 // Modified by:
   6 // Created:     Apr-30-2006
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Jaakko Salli
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #include "wx/wxprec.h"
  21
  22 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #if wxUSE_COMBOCTRL
  27
  28 #include "wx/combobox.h"
  29
  30 #ifndef WX_PRECOMP
  31     #include "wx/log.h"
  32     #include "wx/dcclient.h"
  33     #include "wx/settings.h"
  34     #include "wx/dialog.h"
  35     #include "wx/timer.h"
  36 #endif
  37
  38 #include "wx/dcbuffer.h"
  39 #include "wx/tooltip.h"
  40
  41 #include "wx/combo.h"
  42
  43
  44
  45 // constants
  46 // ----------------------------------------------------------------------------
  47
  48 // Milliseconds to wait for two mouse-ups after focus inorder
  49 // to trigger a double-click.
  50 #define DOUBLE_CLICK_CONVERSION_TRESHOLD        500
  51
  52 #define DEFAULT_DROPBUTTON_WIDTH                19
  53
  54 #define BMP_BUTTON_MARGIN                       4
  55
  56 #define DEFAULT_POPUP_HEIGHT                    200
  57
  58 #define DEFAULT_TEXT_INDENT                     3
  59
  60 #define COMBO_MARGIN                            2 // spacing right of wxTextCtrl
  61
  62
  63 #if defined(__WXMSW__)
  64
  65 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  66
  67 //#undef wxUSE_POPUPWIN
  68 //#define wxUSE_POPUPWIN 0
  69
  70 #elif defined(__WXGTK__)
  71
  72 #define USE_TRANSIENT_POPUP           1 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  73
  74 #elif defined(__WXMAC__)
  75
  76 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  77
  78 #else
  79
  80 #define USE_TRANSIENT_POPUP           0 // Use wxPopupWindowTransient (preferred, if it works properly on platform)
  81
  82 #endif
  83
  84
  85 // Popupwin is really only supported on wxMSW (not WINCE) and wxGTK, regardless
  86 // what the wxUSE_POPUPWIN says.
  87 // FIXME: Why isn't wxUSE_POPUPWIN reliable any longer? (it was in wxW2.6.2)
  88 #if (!defined(__WXMSW__) && !defined(__WXGTK__)) || defined(__WXWINCE__)
  89 #undef wxUSE_POPUPWIN
  90 #define wxUSE_POPUPWIN 0
  91 #endif
  92
  93
  94 #if wxUSE_POPUPWIN
  95     #include "wx/popupwin.h"
  96 #else
  97     #undef USE_TRANSIENT_POPUP
  98     #define USE_TRANSIENT_POPUP 0
  99 #endif
 100
 101
 102 #if USE_TRANSIENT_POPUP
 103
 104     #define wxComboPopupWindowBase wxPopupTransientWindow
 105     #define INSTALL_TOPLEV_HANDLER       0
 106
 107 #elif wxUSE_POPUPWIN
 108
 109     #define wxComboPopupWindowBase wxPopupWindow
 110     #define INSTALL_TOPLEV_HANDLER       1
 111
 112 #else
 113
 114     #define wxComboPopupWindowBase wxDialog
 115     #define INSTALL_TOPLEV_HANDLER      0 // Doesn't need since can monitor active event
 116
 117 #endif
 118
 119
 120
 121 //
 122 // ** TODO **
 123 // * wxComboPopupWindow for external use (ie. replace old wxUniv wxPopupComboWindow)
 124 //
 125
 126
 127 // ----------------------------------------------------------------------------
 128 // wxComboFrameEventHandler takes care of hiding the popup when events happen
 129 // in its top level parent.
 130 // ----------------------------------------------------------------------------
 131
 132 #if INSTALL_TOPLEV_HANDLER
 133
 134 //
 135 // This will no longer be necessary after wxTransientPopupWindow
 136 // works well on all platforms.
 137 //
 138
 139 class wxComboFrameEventHandler : public wxEvtHandler
 140 {
 141 public:
 142     wxComboFrameEventHandler( wxComboCtrlBase* pCb );
 143     ~wxComboFrameEventHandler();
 144
 145     void OnPopup();
 146
 147     void OnIdle( wxIdleEvent& event );
 148     void OnMouseEvent( wxMouseEvent& event );
 149     void OnActivate( wxActivateEvent& event );
 150     void OnResize( wxSizeEvent& event );
 151     void OnMove( wxMoveEvent& event );
 152     void OnMenuEvent( wxMenuEvent& event );
 153     void OnClose( wxCloseEvent& event );
 154
 155 protected:
 156     wxWindow*                       m_focusStart;
 157     wxComboCtrlBase*     m_combo;
 158
 159 private:
 160     DECLARE_EVENT_TABLE()
 161 };
 162
 163 BEGIN_EVENT_TABLE(wxComboFrameEventHandler, wxEvtHandler)
 164     EVT_IDLE(wxComboFrameEventHandler::OnIdle)
 165     EVT_LEFT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 166     EVT_RIGHT_DOWN(wxComboFrameEventHandler::OnMouseEvent)
 167     EVT_SIZE(wxComboFrameEventHandler::OnResize)
 168     EVT_MOVE(wxComboFrameEventHandler::OnMove)
 169     EVT_MENU_HIGHLIGHT(wxID_ANY,wxComboFrameEventHandler::OnMenuEvent)
 170     EVT_MENU_OPEN(wxComboFrameEventHandler::OnMenuEvent)
 171     EVT_ACTIVATE(wxComboFrameEventHandler::OnActivate)
 172     EVT_CLOSE(wxComboFrameEventHandler::OnClose)
 173 END_EVENT_TABLE()
 174
 175 wxComboFrameEventHandler::wxComboFrameEventHandler( wxComboCtrlBase* combo )
 176     : wxEvtHandler()
 177 {
 178     m_combo = combo;
 179 }
 180
 181 wxComboFrameEventHandler::~wxComboFrameEventHandler()
 182 {
 183 }
 184
 185 void wxComboFrameEventHandler::OnPopup()
 186 {
 187     m_focusStart = ::wxWindow::FindFocus();
 188 }
 189
 190 void wxComboFrameEventHandler::OnIdle( wxIdleEvent& event )
 191 {
 192     wxWindow* winFocused = ::wxWindow::FindFocus();
 193
 194     wxWindow* popup = m_combo->GetPopupControl();
 195     wxWindow* winpopup = m_combo->GetPopupWindow();
 196
 197     if (
 198          winFocused != m_focusStart &&
 199          winFocused != popup &&
 200          winFocused->GetParent() != popup &&
 201          winFocused != winpopup &&
 202          winFocused->GetParent() != winpopup &&
 203          winFocused != m_combo &&
 204          winFocused != m_combo->GetButton() // GTK (atleast) requires this
 205         )
 206     {
 207         m_combo->HidePopup();
 208     }
 209
 210     event.Skip();
 211 }
 212
 213 void wxComboFrameEventHandler::OnMenuEvent( wxMenuEvent& event )
 214 {
 215     m_combo->HidePopup();
 216     event.Skip();
 217 }
 218
 219 void wxComboFrameEventHandler::OnMouseEvent( wxMouseEvent& event )
 220 {
 221     m_combo->HidePopup();
 222     event.Skip();
 223 }
 224
 225 void wxComboFrameEventHandler::OnClose( wxCloseEvent& event )
 226 {
 227     m_combo->HidePopup();
 228     event.Skip();
 229 }
 230
 231 void wxComboFrameEventHandler::OnActivate( wxActivateEvent& event )
 232 {
 233     m_combo->HidePopup();
 234     event.Skip();
 235 }
 236
 237 void wxComboFrameEventHandler::OnResize( wxSizeEvent& event )
 238 {
 239     m_combo->HidePopup();
 240     event.Skip();
 241 }
 242
 243 void wxComboFrameEventHandler::OnMove( wxMoveEvent& event )
 244 {
 245     m_combo->HidePopup();
 246     event.Skip();
 247 }
 248
 249 #endif // INSTALL_TOPLEV_HANDLER
 250
 251 // ----------------------------------------------------------------------------
 252 // wxComboPopupWindow is wxPopupWindow customized for
 253 // wxComboCtrl.
 254 // ----------------------------------------------------------------------------
 255
 256 class wxComboPopupWindow : public wxComboPopupWindowBase
 257 {
 258 public:
 259
 260     wxComboPopupWindow( wxComboCtrlBase *parent, int style = wxBORDER_NONE );
 261
 262 #if USE_TRANSIENT_POPUP
 263     virtual bool ProcessLeftDown(wxMouseEvent& event);
 264 #endif
 265
 266     void OnKeyEvent(wxKeyEvent& event);
 267
 268     void OnMouseEvent( wxMouseEvent& event );
 269 #if !wxUSE_POPUPWIN
 270     void OnActivate( wxActivateEvent& event );
 271 #endif
 272
 273 protected:
 274
 275 #if USE_TRANSIENT_POPUP
 276     virtual void OnDismiss();
 277 #endif
 278
 279 private:
 280     DECLARE_EVENT_TABLE()
 281 };
 282
 283
 284 BEGIN_EVENT_TABLE(wxComboPopupWindow, wxComboPopupWindowBase)
 285     EVT_MOUSE_EVENTS(wxComboPopupWindow::OnMouseEvent)
 286 #if !wxUSE_POPUPWIN
 287     EVT_ACTIVATE(wxComboPopupWindow::OnActivate)
 288 #endif
 289     EVT_KEY_DOWN(wxComboPopupWindow::OnKeyEvent)
 290     EVT_KEY_UP(wxComboPopupWindow::OnKeyEvent)
 291 END_EVENT_TABLE()
 292
 293
 294 wxComboPopupWindow::wxComboPopupWindow( wxComboCtrlBase *parent,
 295                                         int style )
 296 #if wxUSE_POPUPWIN
 297                                        : wxComboPopupWindowBase(parent,style)
 298 #else
 299                                        : wxComboPopupWindowBase(parent,
 300                                                                 wxID_ANY,
 301                                                                 wxEmptyString,
 302                                                                 wxPoint(-21,-21),
 303                                                                 wxSize(20,20),
 304                                                                 style)
 305 #endif
 306 {
 307 }
 308
 309 void wxComboPopupWindow::OnKeyEvent( wxKeyEvent& event )
 310 {
 311     // Relay keyboard event to the main child controls
 312     // (just skipping may just cause the popup to close)
 313     wxWindowList children = GetChildren();
 314     wxWindowList::iterator node = children.begin();
 315     wxWindow* child = (wxWindow*)*node;
 316     child->AddPendingEvent(event);
 317 }
 318
 319 void wxComboPopupWindow::OnMouseEvent( wxMouseEvent& event )
 320 {
 321     event.Skip();
 322 }
 323
 324 #if !wxUSE_POPUPWIN
 325 void wxComboPopupWindow::OnActivate( wxActivateEvent& event )
 326 {
 327     if ( !event.GetActive() )
 328     {
 329         // Tell combo control that we are dismissed.
 330         wxComboCtrl* combo = (wxComboCtrl*) GetParent();
 331         wxASSERT( combo );
 332         wxASSERT( combo->IsKindOf(CLASSINFO(wxComboCtrl)) );
 333
 334         combo->HidePopup();
 335
 336         event.Skip();
 337     }
 338 }
 339 #endif
 340
 341 #if USE_TRANSIENT_POPUP
 342 bool wxComboPopupWindow::ProcessLeftDown(wxMouseEvent& event )
 343 {
 344     return wxComboPopupWindowBase::ProcessLeftDown(event);
 345 }
 346 #endif
 347
 348 #if USE_TRANSIENT_POPUP
 349 // First thing that happens when a transient popup closes is that this method gets called.
 350 void wxComboPopupWindow::OnDismiss()
 351 {
 352     wxComboCtrlBase* combo = (wxComboCtrlBase*) GetParent();
 353     wxASSERT_MSG( combo->IsKindOf(CLASSINFO(wxComboCtrlBase)),
 354                   wxT("parent might not be wxComboCtrl, but check IMPLEMENT_DYNAMIC_CLASS(2) macro for correctness") );
 355
 356     combo->OnPopupDismiss();
 357 }
 358 #endif
 359
 360 // ----------------------------------------------------------------------------
 361 // wxComboPopup
 362 //
 363 // ----------------------------------------------------------------------------
 364
 365 wxComboPopup::~wxComboPopup()
 366 {
 367 }
 368
 369 void wxComboPopup::OnPopup()
 370 {
 371 }
 372
 373 void wxComboPopup::OnDismiss()
 374 {
 375 }
 376
 377 wxSize wxComboPopup::GetAdjustedSize( int minWidth,
 378                                       int prefHeight,
 379                                       int WXUNUSED(maxHeight) )
 380 {
 381     return wxSize(minWidth,prefHeight);
 382 }
 383
 384 void wxComboPopup::DefaultPaintComboControl( wxComboCtrlBase* combo,
 385                                              wxDC& dc, const wxRect& rect )
 386 {
 387     if ( combo->GetWindowStyle() & wxCB_READONLY ) // ie. no textctrl
 388     {
 389         combo->DrawFocusBackground(dc,rect,0);
 390
 391         dc.DrawText( combo->GetValue(),
 392                      rect.x + combo->GetTextIndent(),
 393                      (rect.height-dc.GetCharHeight())/2 + rect.y );
 394     }
 395 }
 396
 397 void wxComboPopup::PaintComboControl( wxDC& dc, const wxRect& rect )
 398 {
 399     DefaultPaintComboControl(m_combo,dc,rect);
 400 }
 401
 402 void wxComboPopup::OnComboKeyEvent( wxKeyEvent& event )
 403 {
 404     event.Skip();
 405 }
 406
 407 void wxComboPopup::OnComboDoubleClick()
 408 {
 409 }
 410
 411 void wxComboPopup::SetStringValue( const wxString& WXUNUSED(value) )
 412 {
 413 }
 414
 415 bool wxComboPopup::LazyCreate()
 416 {
 417     return false;
 418 }
 419
 420 void wxComboPopup::Dismiss()
 421 {
 422     m_combo->HidePopup();
 423 }
 424
 425 // ----------------------------------------------------------------------------
 426 // input handling
 427 // ----------------------------------------------------------------------------
 428
 429 //
 430 // This is pushed to the event handler queue of either combo box
 431 // or its textctrl (latter if not readonly combo).
 432 //
 433 class wxComboBoxExtraInputHandler : public wxEvtHandler
 434 {
 435 public:
 436
 437     wxComboBoxExtraInputHandler( wxComboCtrlBase* combo )
 438         : wxEvtHandler()
 439     {
 440         m_combo = combo;
 441     }
 442     ~wxComboBoxExtraInputHandler() { }
 443     void OnKey(wxKeyEvent& event);
 444     void OnFocus(wxFocusEvent& event);
 445
 446 protected:
 447     wxComboCtrlBase*   m_combo;
 448
 449 private:
 450     DECLARE_EVENT_TABLE()
 451 };
 452
 453
 454 BEGIN_EVENT_TABLE(wxComboBoxExtraInputHandler, wxEvtHandler)
 455     EVT_KEY_DOWN(wxComboBoxExtraInputHandler::OnKey)
 456     EVT_SET_FOCUS(wxComboBoxExtraInputHandler::OnFocus)
 457 END_EVENT_TABLE()
 458
 459
 460 void wxComboBoxExtraInputHandler::OnKey(wxKeyEvent& event)
 461 {
 462     int keycode = event.GetKeyCode();
 463
 464     if ( keycode == WXK_TAB )
 465     {
 466         wxNavigationKeyEvent evt;
 467         evt.SetFlags(wxNavigationKeyEvent::FromTab|
 468                      (!event.ShiftDown()?wxNavigationKeyEvent::IsForward:
 469                                          wxNavigationKeyEvent::IsBackward));
 470         evt.SetEventObject(m_combo);
 471         m_combo->GetParent()->GetEventHandler()->AddPendingEvent(evt);
 472         return;
 473     }
 474
 475     if ( m_combo->IsPopupShown() )
 476     {
 477         // pass it to the popped up control
 478         m_combo->GetPopupControl()->GetControl()->AddPendingEvent(event);
 479     }
 480     else // no popup
 481     {
 482         int comboStyle = m_combo->GetWindowStyle();
 483         wxComboPopup* popupInterface = m_combo->GetPopupControl();
 484
 485         if ( !popupInterface )
 486         {
 487             event.Skip();
 488             return;
 489         }
 490
 491         if ( (comboStyle & wxCB_READONLY) ||
 492              ( keycode != WXK_RIGHT && keycode != WXK_LEFT )
 493             )
 494         {
 495             // Alternate keys: UP and DOWN show the popup instead of cycling
 496             if ( (comboStyle & wxCC_ALT_KEYS) )
 497             {
 498                 if ( keycode == WXK_UP || keycode == WXK_DOWN )
 499                 {
 500                     m_combo->OnButtonClick();
 501                     return;
 502                 }
 503                 else
 504                     event.Skip();
 505             }
 506             else
 507                 popupInterface->OnComboKeyEvent(event);
 508         }
 509         else
 510             event.Skip();
 511     }
 512 }
 513
 514 void wxComboBoxExtraInputHandler::OnFocus(wxFocusEvent& event)
 515 {
 516     // FIXME: This code does run when control is clicked,
 517     //        yet on Windows it doesn't select all the text.
 518     if ( !(m_combo->GetInternalFlags() & wxCC_NO_TEXT_AUTO_SELECT) )
 519     {
 520         if ( m_combo->GetTextCtrl() )
 521             m_combo->GetTextCtrl()->SelectAll();
 522         else
 523             m_combo->SetSelection(-1,-1);
 524     }
 525
 526     if ( event.GetId() != m_combo->GetId() )
 527     {
 528         // Add textctrl set focus events as combo set focus events
 529         // NOTE: Simply changing the event and skipping didn't seem
 530         // to do the trick.
 531         wxFocusEvent evt2(wxEVT_SET_FOCUS,m_combo->GetId());
 532         evt2.SetEventObject(m_combo);
 533         m_combo->GetEventHandler()->ProcessEvent(evt2);
 534     }
 535     else
 536         event.Skip();
 537
 538     event.Skip();
 539 }
 540
 541
 542 //
 543 // This is pushed to the event handler queue of the control in popup.
 544 //
 545
 546 class wxComboPopupExtraEventHandler : public wxEvtHandler
 547 {
 548 public:
 549
 550     wxComboPopupExtraEventHandler( wxComboCtrlBase* combo )
 551         : wxEvtHandler()
 552     {
 553         m_combo = combo;
 554         m_beenInside = false;
 555     }
 556     ~wxComboPopupExtraEventHandler() { }
 557
 558     void OnMouseEvent( wxMouseEvent& event );
 559
 560     // Called from wxComboCtrlBase::OnPopupDismiss
 561     void OnPopupDismiss()
 562     {
 563         m_beenInside = false;
 564     }
 565
 566 protected:
 567     wxComboCtrlBase*     m_combo;
 568
 569     bool                    m_beenInside;
 570
 571 private:
 572     DECLARE_EVENT_TABLE()
 573 };
 574
 575
 576 BEGIN_EVENT_TABLE(wxComboPopupExtraEventHandler, wxEvtHandler)
 577     EVT_MOUSE_EVENTS(wxComboPopupExtraEventHandler::OnMouseEvent)
 578 END_EVENT_TABLE()
 579
 580
 581 void wxComboPopupExtraEventHandler::OnMouseEvent( wxMouseEvent& event )
 582 {
 583     wxPoint pt = event.GetPosition();
 584     wxSize sz = m_combo->GetPopupControl()->GetControl()->GetClientSize();
 585     int evtType = event.GetEventType();
 586     bool isInside = pt.x >= 0 && pt.y >= 0 && pt.x < sz.x && pt.y < sz.y;
 587
 588     if ( evtType == wxEVT_MOTION ||
 589          evtType == wxEVT_LEFT_DOWN ||
 590          evtType == wxEVT_RIGHT_DOWN )
 591     {
 592         // Block motion and click events outside the popup
 593         if ( !isInside )
 594         {
 595             event.Skip(false);
 596             return;
 597         }
 598     }
 599     else if ( evtType == wxEVT_LEFT_UP )
 600     {
 601         // Don't let left-down events in if outside
 602         if ( evtType == wxEVT_LEFT_DOWN )
 603         {
 604             if ( !isInside )
 605                 return;
 606         }
 607
 608         if ( !m_beenInside )
 609         {
 610             if ( isInside )
 611             {
 612                 m_beenInside = true;
 613             }
 614             else
 615             {
 616                 //
 617                 // Some mouse events to popup that happen outside it, before cursor
 618                 // has been inside the popu, need to be ignored by it but relayed to
 619                 // the dropbutton.
 620                 //
 621                 wxWindow* btn = m_combo->GetButton();
 622                 if ( btn )
 623                     btn->GetEventHandler()->AddPendingEvent(event);
 624                 else
 625                     m_combo->GetEventHandler()->AddPendingEvent(event);
 626
 627                 return;
 628             }
 629
 630             event.Skip();
 631         }
 632     }
 633
 634     event.Skip();
 635 }
 636
 637 // ----------------------------------------------------------------------------
 638 // wxComboCtrlBase
 639 // ----------------------------------------------------------------------------
 640
 641
 642 BEGIN_EVENT_TABLE(wxComboCtrlBase, wxControl)
 643     EVT_TEXT(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 644     EVT_SIZE(wxComboCtrlBase::OnSizeEvent)
 645     EVT_SET_FOCUS(wxComboCtrlBase::OnFocusEvent)
 646     EVT_KILL_FOCUS(wxComboCtrlBase::OnFocusEvent)
 647     //EVT_BUTTON(wxID_ANY,wxComboCtrlBase::OnButtonClickEvent)
 648     EVT_TEXT_ENTER(wxID_ANY,wxComboCtrlBase::OnTextCtrlEvent)
 649     EVT_SYS_COLOUR_CHANGED(wxComboCtrlBase::OnSysColourChanged)
 650 END_EVENT_TABLE()
 651
 652
 653 IMPLEMENT_ABSTRACT_CLASS(wxComboCtrlBase, wxControl)
 654
 655 // Have global double buffer - should be enough for multiple combos
 656 static wxBitmap* gs_doubleBuffer = (wxBitmap*) NULL;
 657
 658 void wxComboCtrlBase::Init()
 659 {
 660     m_winPopup = (wxWindow *)NULL;
 661     m_popup = (wxWindow *)NULL;
 662     m_isPopupShown = false;
 663     m_btn = (wxWindow*) NULL;
 664     m_text = (wxTextCtrl*) NULL;
 665     m_popupInterface = (wxComboPopup*) NULL;
 666
 667     m_extraEvtHandler = (wxEvtHandler*) NULL;
 668     m_popupExtraHandler = (wxEvtHandler*) NULL;
 669     m_textEvtHandler = (wxEvtHandler*) NULL;
 670
 671 #if INSTALL_TOPLEV_HANDLER
 672     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 673 #endif
 674
 675     m_heightPopup = -1;
 676     m_widthMinPopup = -1;
 677     m_anchorSide = 0;
 678     m_widthCustomPaint = 0;
 679     m_widthCustomBorder = 0;
 680
 681     m_btnState = 0;
 682     m_btnWidDefault = 0;
 683     m_blankButtonBg = false;
 684     m_btnWid = m_btnHei = 0;
 685     m_btnSide = wxRIGHT;
 686     m_btnSpacingX = 0;
 687
 688     m_extLeft = 0;
 689     m_extRight = 0;
 690     m_absIndent = -1;
 691     m_iFlags = 0;
 692     m_downReceived = false;
 693     m_timeCanAcceptClick = 0;
 694 }
 695
 696 bool wxComboCtrlBase::Create(wxWindow *parent,
 697                              wxWindowID id,
 698                              const wxString& value,
 699                              const wxPoint& pos,
 700                              const wxSize& size,
 701                              long style,
 702                              const wxValidator& validator,
 703                              const wxString& name)
 704 {
 705     if ( !wxControl::Create(parent,
 706                             id,
 707                             pos,
 708                             size,
 709                             style | wxWANTS_CHARS,
 710                             validator,
 711                             name) )
 712         return false;
 713
 714     m_valueString = value;
 715
 716     // Get colours
 717     OnThemeChange();
 718     m_absIndent = GetNativeTextIndent();
 719
 720     m_iFlags |= wxCC_IFLAG_CREATED;
 721
 722     // If x and y indicate valid size, wxSizeEvent won't be
 723     // emitted automatically, so we need to add artifical one.
 724     if ( size.x > 0 && size.y > 0 )
 725     {
 726         wxSizeEvent evt(size,GetId());
 727         GetEventHandler()->AddPendingEvent(evt);
 728     }
 729
 730     return true;
 731 }
 732
 733 void wxComboCtrlBase::InstallInputHandlers( bool alsoTextCtrl )
 734 {
 735     if ( m_text && alsoTextCtrl )
 736     {
 737         m_textEvtHandler = new wxComboBoxExtraInputHandler(this);
 738         m_text->PushEventHandler(m_textEvtHandler);
 739     }
 740
 741     wxComboBoxExtraInputHandler* inputHandler = new wxComboBoxExtraInputHandler(this);
 742     PushEventHandler(inputHandler);
 743     m_extraEvtHandler = inputHandler;
 744 }
 745
 746 void wxComboCtrlBase::CreateTextCtrl( int extraStyle, const wxValidator& validator )
 747 {
 748     if ( !(m_windowStyle & wxCB_READONLY) )
 749     {
 750         m_text = new wxTextCtrl(this,
 751                                 wxID_ANY,
 752                                 m_valueString,
 753                                 wxDefaultPosition,
 754                                 wxDefaultSize,
 755                                 // wxTE_PROCESS_TAB is needed because on Windows, wxTAB_TRAVERSAL is
 756                                 // not used by the wxPropertyGrid and therefore the tab is
 757                                 // processed by looking at ancestors to see if they have
 758                                 // wxTAB_TRAVERSAL. The navigation event is then sent to
 759                                 // the wrong window.
 760                                 wxTE_PROCESS_TAB |
 761                                 wxTE_PROCESS_ENTER |
 762                                 extraStyle,
 763                                 validator);
 764
 765         // This is required for some platforms (GTK+ atleast)
 766         m_text->SetSizeHints(2,4);
 767     }
 768 }
 769
 770 void wxComboCtrlBase::OnThemeChange()
 771 {
 772     SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
 773 }
 774
 775 wxComboCtrlBase::~wxComboCtrlBase()
 776 {
 777     if ( HasCapture() )
 778         ReleaseMouse();
 779
 780     delete gs_doubleBuffer;
 781     gs_doubleBuffer = (wxBitmap*) NULL;
 782
 783 #if INSTALL_TOPLEV_HANDLER
 784     delete ((wxComboFrameEventHandler*)m_toplevEvtHandler);
 785     m_toplevEvtHandler = (wxEvtHandler*) NULL;
 786 #endif
 787
 788     DestroyPopup();
 789
 790     RemoveEventHandler(m_extraEvtHandler);
 791
 792     if ( m_text )
 793         m_text->RemoveEventHandler(m_textEvtHandler);
 794
 795     delete m_textEvtHandler;
 796     delete m_extraEvtHandler;
 797 }
 798
 799
 800 // ----------------------------------------------------------------------------
 801 // geometry stuff
 802 // ----------------------------------------------------------------------------
 803
 804 // Recalculates button and textctrl areas
 805 void wxComboCtrlBase::CalculateAreas( int btnWidth )
 806 {
 807     wxSize sz = GetClientSize();
 808     int customBorder = m_widthCustomBorder;
 809     int btnBorder; // border for button only
 810
 811     // check if button should really be outside the border: we'll do it it if
 812     // its platform default or bitmap+pushbutton background is used, but not if
 813     // there is vertical size adjustment or horizontal spacing.
 814     if ( ( (m_iFlags & wxCC_BUTTON_OUTSIDE_BORDER) ||
 815                 (m_bmpNormal.Ok() && m_blankButtonBg) ) &&
 816          m_btnSpacingX == 0 &&
 817          m_btnHei == 0 )
 818     {
 819         m_iFlags |= wxCC_IFLAG_BUTTON_OUTSIDE;
 820         btnBorder = 0;
 821     }
 822     else
 823     {
 824         m_iFlags &= ~(wxCC_IFLAG_BUTTON_OUTSIDE);
 825         btnBorder = customBorder;
 826     }
 827
 828     // Defaul indentation
 829     if ( m_absIndent < 0 )
 830         m_absIndent = GetNativeTextIndent();
 831
 832     int butWidth = btnWidth;
 833
 834     if ( butWidth <= 0 )
 835         butWidth = m_btnWidDefault;
 836     else
 837         m_btnWidDefault = butWidth;
 838
 839     if ( butWidth <= 0 )
 840         return;
 841
 842     int butHeight = sz.y - btnBorder*2;
 843
 844     // Adjust button width
 845     if ( m_btnWid < 0 )
 846         butWidth += m_btnWid;
 847     else if ( m_btnWid > 0 )
 848         butWidth = m_btnWid;
 849     else
 850     {
 851         // Adjust button width to match aspect ratio
 852         // (but only if control is smaller than best size).
 853         int bestHeight = GetBestSize().y;
 854         int height = GetSize().y;
 855
 856         if ( height < bestHeight )
 857         {
 858             // Make very small buttons square, as it makes
 859             // them accommodate arrow image better and still
 860             // looks decent.
 861             if ( height > 18 )
 862                 butWidth = (height*butWidth)/bestHeight;
 863             else
 864                 butWidth = butHeight;
 865         }
 866     }
 867
 868     // Adjust button height
 869     if ( m_btnHei < 0 )
 870         butHeight += m_btnHei;
 871     else if ( m_btnHei > 0 )
 872         butHeight = m_btnHei;
 873
 874     // Use size of normal bitmap if...
 875     //   It is larger
 876     //   OR
 877     //   button width is set to default and blank button bg is not drawn
 878     if ( m_bmpNormal.Ok() )
 879     {
 880         int bmpReqWidth = m_bmpNormal.GetWidth();
 881         int bmpReqHeight = m_bmpNormal.GetHeight();
 882
 883         // If drawing blank button background, we need to add some margin.
 884         if ( m_blankButtonBg )
 885         {
 886             bmpReqWidth += BMP_BUTTON_MARGIN*2;
 887             bmpReqHeight += BMP_BUTTON_MARGIN*2;
 888         }
 889
 890         if ( butWidth < bmpReqWidth || ( m_btnWid == 0 && !m_blankButtonBg ) )
 891             butWidth = bmpReqWidth;
 892         if ( butHeight < bmpReqHeight || ( m_btnHei == 0 && !m_blankButtonBg ) )
 893             butHeight = bmpReqHeight;
 894
 895         // Need to fix height?
 896         if ( (sz.y-(customBorder*2)) < butHeight && btnWidth == 0 )
 897         {
 898             int newY = butHeight+(customBorder*2);
 899             SetClientSize(wxDefaultCoord,newY);
 900             sz.y = newY;
 901         }
 902     }
 903
 904     int butAreaWid = butWidth + (m_btnSpacingX*2);
 905
 906     m_btnSize.x = butWidth;
 907     m_btnSize.y = butHeight;
 908
 909     m_btnArea.x = ( m_btnSide==wxRIGHT ? sz.x - butAreaWid - btnBorder : btnBorder );
 910     m_btnArea.y = btnBorder;
 911     m_btnArea.width = butAreaWid;
 912     m_btnArea.height = sz.y - (btnBorder*2);
 913
 914     m_tcArea.x = ( m_btnSide==wxRIGHT ? 0 : butAreaWid ) + customBorder;
 915     m_tcArea.y = customBorder;
 916     m_tcArea.width = sz.x - butAreaWid - (customBorder*2);
 917     m_tcArea.height = sz.y - (customBorder*2);
 918
 919 /*
 920     if ( m_text )
 921     {
 922         ::wxMessageBox(wxString::Format(wxT("ButtonArea (%i,%i,%i,%i)\n"),m_btnArea.x,m_btnArea.y,m_btnArea.width,m_btnArea.height) +
 923                        wxString::Format(wxT("TextCtrlArea (%i,%i,%i,%i)"),m_tcArea.x,m_tcArea.y,m_tcArea.width,m_tcArea.height));
 924     }
 925 */
 926 }
 927
 928 void wxComboCtrlBase::PositionTextCtrl( int textCtrlXAdjust, int textCtrlYAdjust )
 929 {
 930     if ( !m_text )
 931         return;
 932
 933     wxSize sz = GetClientSize();
 934     int customBorder = m_widthCustomBorder;
 935
 936     if ( (m_text->GetWindowStyleFlag() & wxBORDER_MASK) == wxNO_BORDER )
 937     {
 938         // Centre textctrl
 939         int tcSizeY = m_text->GetBestSize().y;
 940         int diff = sz.y - tcSizeY;
 941         int y = textCtrlYAdjust + (diff/2);
 942
 943         if ( y < customBorder )
 944             y = customBorder;
 945
 946         m_text->SetSize( m_tcArea.x + m_widthCustomPaint + m_absIndent + textCtrlXAdjust,
 947                          y,
 948                          m_tcArea.width - COMBO_MARGIN -
 949                          (textCtrlXAdjust + m_widthCustomPaint + m_absIndent),
 950                          -1 );
 951
 952         // Make sure textctrl doesn't exceed the bottom custom border
 953         wxSize tsz = m_text->GetSize();
 954         diff = (y + tsz.y) - (sz.y - customBorder);
 955         if ( diff >= 0 )
 956         {
 957             tsz.y = tsz.y - diff - 1;
 958             m_text->SetSize(tsz);
 959         }
 960     }
 961     else
 962     {
 963         m_text->SetSize( m_tcArea.x,
 964                          0,
 965                          sz.x - m_btnArea.x - m_widthCustomPaint - customBorder,
 966                          sz.y );
 967     }
 968 }
 969
 970 wxSize wxComboCtrlBase::DoGetBestSize() const
 971 {
 972     wxSize sizeText(150,0);
 973
 974     if ( m_text )
 975         sizeText = m_text->GetBestSize();
 976
 977     // TODO: Better method to calculate close-to-native control height.
 978
 979     int fhei;
 980     if ( m_font.Ok() )
 981         fhei = (m_font.GetPointSize()*2) + 5;
 982     else if ( wxNORMAL_FONT->Ok() )
 983         fhei = (wxNORMAL_FONT->GetPointSize()*2) + 5;
 984     else
 985         fhei = sizeText.y + 4;
 986
 987     // Need to force height to accomodate bitmap?
 988     int btnSizeY = m_btnSize.y;
 989     if ( m_bmpNormal.Ok() && fhei < btnSizeY )
 990         fhei = btnSizeY;
 991
 992     // Control height doesn't depend on border
 993 /*
 994     // Add border
 995     int border = m_windowStyle & wxBORDER_MASK;
 996     if ( border == wxSIMPLE_BORDER )
 997         fhei += 2;
 998     else if ( border == wxNO_BORDER )
 999         fhei += (m_widthCustomBorder*2);
1000     else
1001         // Sunken etc.
1002         fhei += 4;
1003 */
1004
1005     // Final adjustments
1006 #ifdef __WXGTK__
1007     fhei += 1;
1008 #endif
1009
1010     wxSize ret(sizeText.x + COMBO_MARGIN + DEFAULT_DROPBUTTON_WIDTH,
1011                fhei);
1012
1013     CacheBestSize(ret);
1014     return ret;
1015 }
1016
1017 void wxComboCtrlBase::OnSizeEvent( wxSizeEvent& event )
1018 {
1019     if ( !IsCreated() )
1020         return;
1021
1022     // defined by actual wxComboCtrls
1023     OnResize();
1024
1025     event.Skip();
1026 }
1027
1028 // ----------------------------------------------------------------------------
1029 // standard operations
1030 // ----------------------------------------------------------------------------
1031
1032 bool wxComboCtrlBase::Enable(bool enable)
1033 {
1034     if ( !wxControl::Enable(enable) )
1035         return false;
1036
1037     if ( m_btn )
1038         m_btn->Enable(enable);
1039     if ( m_text )
1040         m_text->Enable(enable);
1041
1042     return true;
1043 }
1044
1045 bool wxComboCtrlBase::Show(bool show)
1046 {
1047     if ( !wxControl::Show(show) )
1048         return false;
1049
1050     if (m_btn)
1051         m_btn->Show(show);
1052
1053     if (m_text)
1054         m_text->Show(show);
1055
1056     return true;
1057 }
1058
1059 bool wxComboCtrlBase::SetFont ( const wxFont& font )
1060 {
1061     if ( !wxControl::SetFont(font) )
1062         return false;
1063
1064     if (m_text)
1065         m_text->SetFont(font);
1066
1067     return true;
1068 }
1069
1070 #if wxUSE_TOOLTIPS
1071 void wxComboCtrlBase::DoSetToolTip(wxToolTip *tooltip)
1072 {
1073     wxControl::DoSetToolTip(tooltip);
1074
1075     // Set tool tip for button and text box
1076     if ( tooltip )
1077     {
1078         const wxString &tip = tooltip->GetTip();
1079         if ( m_text ) m_text->SetToolTip(tip);
1080         if ( m_btn ) m_btn->SetToolTip(tip);
1081     }
1082     else
1083     {
1084         if ( m_text ) m_text->SetToolTip( (wxToolTip*) NULL );
1085         if ( m_btn ) m_btn->SetToolTip( (wxToolTip*) NULL );
1086     }
1087 }
1088 #endif // wxUSE_TOOLTIPS
1089
1090 // ----------------------------------------------------------------------------
1091 // painting
1092 // ----------------------------------------------------------------------------
1093
1094 // draw focus background on area in a way typical on platform
1095 void wxComboCtrlBase::DrawFocusBackground( wxDC& dc, const wxRect& rect, int flags ) const
1096 {
1097     wxSize sz = GetClientSize();
1098     bool isEnabled;
1099     bool isFocused; // also selected
1100
1101     // For smaller size control (and for disabled background) use less spacing
1102     int focusSpacingX;
1103     int focusSpacingY;
1104
1105     if ( !(flags & wxCONTROL_ISSUBMENU) )
1106     {
1107         // Drawing control
1108         isEnabled = IsEnabled();
1109         isFocused = ShouldDrawFocus();
1110
1111         // Windows-style: for smaller size control (and for disabled background) use less spacing
1112         focusSpacingX = isEnabled ? 2 : 1;
1113         focusSpacingY = sz.y > (GetCharHeight()+2) && isEnabled ? 2 : 1;
1114     }
1115     else
1116     {
1117         // Drawing a list item
1118         isEnabled = true; // they are never disabled
1119         isFocused = flags & wxCONTROL_SELECTED ? true : false;
1120
1121         focusSpacingX = 0;
1122         focusSpacingY = 0;
1123     }
1124
1125     // Set the background sub-rectangle for selection, disabled etc
1126     wxRect selRect(rect);
1127     selRect.y += focusSpacingY;
1128     selRect.height -= (focusSpacingY*2);
1129     selRect.x += m_widthCustomPaint + focusSpacingX;
1130     selRect.width -= m_widthCustomPaint + (focusSpacingX*2);
1131
1132     wxColour bgCol;
1133
1134     if ( isEnabled )
1135     {
1136         // If popup is hidden and this control is focused,
1137         // then draw the focus-indicator (selbgcolor background etc.).
1138         if ( isFocused )
1139         {
1140             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT) );
1141             bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
1142         }
1143         else
1144         {
1145             dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT) );
1146             bgCol = GetBackgroundColour();
1147         }
1148     }
1149     else
1150     {
1151         dc.SetTextForeground( wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT) );
1152         bgCol = GetBackgroundColour();
1153     }
1154
1155     dc.SetBrush( bgCol );
1156     dc.SetPen( bgCol );
1157     dc.DrawRectangle( selRect );
1158 }
1159
1160 void wxComboCtrlBase::DrawButton( wxDC& dc, const wxRect& rect, bool paintBg )
1161 {
1162     int drawState = m_btnState;
1163
1164 #ifdef __WXGTK__
1165     if ( m_isPopupShown )
1166         drawState |= wxCONTROL_PRESSED;
1167 #endif
1168
1169     wxRect drawRect(rect.x+m_btnSpacingX,
1170                     rect.y+((rect.height-m_btnSize.y)/2),
1171                     m_btnSize.x,
1172                     m_btnSize.y);
1173
1174     // Make sure area is not larger than the control
1175     if ( drawRect.y < rect.y )
1176         drawRect.y = rect.y;
1177     if ( drawRect.height > rect.height )
1178         drawRect.height = rect.height;
1179
1180     bool enabled = IsEnabled();
1181
1182     if ( !enabled )
1183         drawState |= wxCONTROL_DISABLED;
1184
1185     if ( !m_bmpNormal.Ok() )
1186     {
1187         // Need to clear button background even if m_btn is present
1188         if ( paintBg )
1189         {
1190             wxColour bgCol;
1191
1192             if ( m_iFlags & wxCC_IFLAG_BUTTON_OUTSIDE )
1193                 bgCol = GetParent()->GetBackgroundColour();
1194             else
1195                 bgCol = GetBackgroundColour();
1196
1197             dc.SetBrush(bgCol);
1198             dc.SetPen(bgCol);
1199             dc.DrawRectangle(rect);
1200         }
1201
1202         // Draw standard button
1203         wxRendererNative::Get().DrawComboBoxDropButton(this,
1204                                                        dc,
1205                                                        drawRect,
1206                                                        drawState);
1207     }
1208     else
1209     {
1210         // Draw bitmap
1211
1212         wxBitmap* pBmp;
1213
1214         if ( !enabled )
1215             pBmp = &m_bmpDisabled;
1216         else if ( m_btnState & wxCONTROL_PRESSED )
1217             pBmp = &m_bmpPressed;
1218         else if ( m_btnState & wxCONTROL_CURRENT )
1219             pBmp = &m_bmpHover;
1220         else
1221             pBmp = &m_bmpNormal;
1222
1223         if ( m_blankButtonBg )
1224         {
1225             // If using blank button background, we need to clear its background
1226             // with button face colour instead of colour for rest of the control.
1227             if ( paintBg )
1228             {
1229                 wxColour bgCol = GetParent()->GetBackgroundColour(); //wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
1230                 //wxColour bgCol = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW);
1231                 dc.SetPen(bgCol);
1232                 dc.SetBrush(bgCol);
1233                 dc.DrawRectangle(rect);
1234             }
1235
1236             wxRendererNative::Get().DrawPushButton(this,
1237                                                    dc,
1238                                                    drawRect,
1239                                                    drawState);
1240
1241         }
1242         else
1243
1244         {
1245             // Need to clear button background even if m_btn is present
1246             // (assume non-button background was cleared just before this call so brushes are good)
1247             if ( paintBg )
1248                 dc.DrawRectangle(rect);
1249         }
1250
1251         // Draw bitmap centered in drawRect
1252         dc.DrawBitmap(*pBmp,
1253                       drawRect.x + (drawRect.width-pBmp->GetWidth())/2,
1254                       drawRect.y + (drawRect.height-pBmp->GetHeight())/2,
1255                       true);
1256     }
1257 }
1258
1259 void wxComboCtrlBase::RecalcAndRefresh()
1260 {
1261     if ( IsCreated() )
1262     {
1263         wxSizeEvent evt(GetSize(),GetId());
1264         GetEventHandler()->ProcessEvent(evt);
1265         Refresh();
1266     }
1267 }
1268
1269 wxBitmap& wxComboCtrlBase::GetBufferBitmap( const wxSize& sz ) const
1270 {
1271     // If size is larger, recalculate double buffer bitmap
1272     if ( !gs_doubleBuffer ||
1273          sz.x > gs_doubleBuffer->GetWidth() ||
1274          sz.y > gs_doubleBuffer->GetHeight() )
1275     {
1276         delete gs_doubleBuffer;
1277         gs_doubleBuffer = new wxBitmap(sz.x+25,sz.y);
1278     }
1279     return *gs_doubleBuffer;
1280 }
1281
1282 // ----------------------------------------------------------------------------
1283 // miscellaneous event handlers
1284 // ----------------------------------------------------------------------------
1285
1286 void wxComboCtrlBase::OnTextCtrlEvent(wxCommandEvent& event)
1287 {
1288     // Change event id and relay it forward
1289     event.SetId(GetId());
1290     event.Skip();
1291 }
1292
1293 // call if cursor is on button area or mouse is captured for the button
1294 bool wxComboCtrlBase::HandleButtonMouseEvent( wxMouseEvent& event,
1295                                                  int flags )
1296 {
1297     int type = event.GetEventType();
1298
1299     if ( type == wxEVT_MOTION )
1300     {
1301         if ( flags & wxCC_MF_ON_BUTTON )
1302         {
1303             if ( !(m_btnState & wxCONTROL_CURRENT) )
1304             {
1305                 // Mouse hover begins
1306                 m_btnState |= wxCONTROL_CURRENT;
1307                 if ( HasCapture() ) // Retain pressed state.
1308                     m_btnState |= wxCONTROL_PRESSED;
1309                 Refresh();
1310             }
1311         }
1312         else if ( (m_btnState & wxCONTROL_CURRENT) )
1313         {
1314             // Mouse hover ends
1315             m_btnState &= ~(wxCONTROL_CURRENT|wxCONTROL_PRESSED);
1316             Refresh();
1317         }
1318     }
1319     else if ( type == wxEVT_LEFT_DOWN )
1320     {
1321         // Only accept event if it wasn't right after popup dismiss
1322         //if ( ::wxGetLocalTimeMillis() > m_timeCanClick )
1323         {
1324             // Need to test this, because it might be outside.
1325             if ( flags & wxCC_MF_ON_BUTTON )
1326             {
1327                 m_btnState |= wxCONTROL_PRESSED;
1328                 Refresh();
1329
1330                 if ( !(m_iFlags & wxCC_POPUP_ON_MOUSE_UP) )
1331                     OnButtonClick();
1332                 else
1333                     // If showing popup now, do not capture mouse or there will be interference
1334                     CaptureMouse();
1335             }
1336         }
1337         /*else
1338         {
1339             m_btnState = 0;
1340         }*/
1341     }
1342     else if ( type == wxEVT_LEFT_UP )
1343     {
1344
1345         // Only accept event if mouse was left-press was previously accepted
1346         if ( HasCapture() )
1347             ReleaseMouse();
1348
1349         if ( m_btnState & wxCONTROL_PRESSED )
1350         {
1351             // If mouse was inside, fire the click event.
1352             if ( m_iFlags & wxCC_POPUP_ON_MOUSE_UP )
1353             {
1354                 if ( flags & wxCC_MF_ON_BUTTON )
1355                     OnButtonClick();
1356             }
1357
1358             m_btnState &= ~(wxCONTROL_PRESSED);
1359             Refresh();
1360         }
1361     }
1362     else if ( type == wxEVT_LEAVE_WINDOW )
1363     {
1364         if ( m_btnState & (wxCONTROL_CURRENT|wxCONTROL_PRESSED) )
1365         {
1366             m_btnState &= ~(wxCONTROL_CURRENT);
1367
1368             // Mouse hover ends
1369             if ( !m_isPopupShown )
1370             {
1371                 m_btnState &= ~(wxCONTROL_PRESSED);
1372                 Refresh();
1373             }
1374         }
1375     }
1376     else
1377         return false;
1378
1379     return true;
1380 }
1381
1382 // Conversion to double-clicks and some basic filtering
1383 // returns true if event was consumed or filtered
1384 //bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event, bool isOnButtonArea )
1385 bool wxComboCtrlBase::PreprocessMouseEvent( wxMouseEvent& event,
1386                                                int flags )
1387 {
1388     wxLongLong t = ::wxGetLocalTimeMillis();
1389     int evtType = event.GetEventType();
1390
1391     //
1392     // Generate our own double-clicks
1393     // (to allow on-focus dc-event on double-clicks instead of triple-clicks)
1394     if ( (m_windowStyle & wxCC_SPECIAL_DCLICK) &&
1395          !m_isPopupShown &&
1396          //!(handlerFlags & wxCC_MF_ON_BUTTON) )
1397          !(flags & wxCC_MF_ON_BUTTON) )
1398     {
1399         if ( evtType == wxEVT_LEFT_DOWN )
1400         {
1401             // Set value to avoid up-events without corresponding downs
1402             m_downReceived = true;
1403         }
1404         else if ( evtType == wxEVT_LEFT_DCLICK )
1405         {
1406             // We'll make our own double-clicks
1407             //evtType = 0;
1408             event.SetEventType(0);
1409             return true;
1410         }
1411         else if ( evtType == wxEVT_LEFT_UP )
1412         {
1413             if ( m_downReceived || m_timeLastMouseUp == 1 )
1414             {
1415                 wxLongLong timeFromLastUp = (t-m_timeLastMouseUp);
1416
1417                 if ( timeFromLastUp < DOUBLE_CLICK_CONVERSION_TRESHOLD )
1418                 {
1419                     //type = wxEVT_LEFT_DCLICK;
1420                     event.SetEventType(wxEVT_LEFT_DCLICK);
1421                     m_timeLastMouseUp = 1;
1422                 }
1423                 else
1424                 {
1425                     m_timeLastMouseUp = t;
1426                 }
1427
1428                 //m_downReceived = false;
1429             }
1430         }
1431     }
1432
1433     // Filter out clicks on button immediately after popup dismiss (Windows like behaviour)
1434     if ( evtType == wxEVT_LEFT_DOWN && t < m_timeCanAcceptClick )
1435     {
1436         event.SetEventType(0);
1437         return true;
1438     }
1439
1440     return false;
1441 }
1442
1443 void wxComboCtrlBase::HandleNormalMouseEvent( wxMouseEvent& event )
1444 {
1445     int evtType = event.GetEventType();
1446
1447     if ( (evtType == wxEVT_LEFT_DOWN || evtType == wxEVT_LEFT_DCLICK) &&
1448          (m_windowStyle & wxCB_READONLY) )
1449     {
1450         if ( m_isPopupShown )
1451         {
1452     #if !wxUSE_POPUPWIN
1453         // Normally do nothing - evt handler should close it for us
1454     #elif !USE_TRANSIENT_POPUP
1455             // Click here always hides the popup.
1456             HidePopup();
1457     #endif
1458         }
1459         else
1460         {
1461             if ( !(m_windowStyle & wxCC_SPECIAL_DCLICK) )
1462             {
1463                 // In read-only mode, clicking the text is the
1464                 // same as clicking the button.
1465                 OnButtonClick();
1466             }
1467             else if ( /*evtType == wxEVT_LEFT_UP || */evtType == wxEVT_LEFT_DCLICK )
1468             {
1469                 //if ( m_popupInterface->CycleValue() )
1470                 //    Refresh();
1471                 if ( m_popupInterface )
1472                     m_popupInterface->OnComboDoubleClick();
1473             }
1474         }
1475     }
1476     else
1477     if ( m_isPopupShown )
1478     {
1479         // relay (some) mouse events to the popup
1480         if ( evtType == wxEVT_MOUSEWHEEL )
1481             m_popup->AddPendingEvent(event);
1482     }
1483     else if ( evtType )
1484         event.Skip();
1485 }
1486
1487 void wxComboCtrlBase::OnFocusEvent( wxFocusEvent& )
1488 {
1489     // First click is the first part of double-click
1490     // Some platforms don't generate down-less mouse up-event
1491     // (Windows does, GTK+2 doesn't), so that's why we have
1492     // to do this.
1493     m_timeLastMouseUp = ::wxGetLocalTimeMillis();
1494
1495     if ( m_text )
1496     {
1497         m_text->SetFocus();
1498     }
1499     else
1500         // no need to check for m_widthCustomPaint - that
1501         // area never gets special handling when selected
1502         // (in writable mode, that is)
1503         Refresh();
1504 }
1505
1506 void wxComboCtrlBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
1507 {
1508     OnThemeChange();
1509     // indentation may also have changed
1510     if ( !(m_iFlags & wxCC_IFLAG_INDENT_SET) )
1511         m_absIndent = GetNativeTextIndent();
1512     RecalcAndRefresh();
1513 }
1514
1515 // ----------------------------------------------------------------------------
1516 // popup handling
1517 // ----------------------------------------------------------------------------
1518
1519 // Create popup window and the child control
1520 void wxComboCtrlBase::CreatePopup()
1521 {
1522     wxComboPopup* popupInterface = m_popupInterface;
1523     wxWindow* popup;
1524
1525     if ( !m_winPopup )
1526         m_winPopup = new wxComboPopupWindow( this, wxNO_BORDER );
1527
1528     popupInterface->Create(m_winPopup);
1529     m_popup = popup = popupInterface->GetControl();
1530
1531     m_popupExtraHandler = new wxComboPopupExtraEventHandler(this);
1532     popup->PushEventHandler( m_popupExtraHandler );
1533
1534     // This may be helpful on some platforms
1535     //   (eg. it bypasses a wxGTK popupwindow bug where
1536     //    window is not initially hidden when it should be)
1537     m_winPopup->Hide();
1538
1539     popupInterface->m_iFlags |= wxCP_IFLAG_CREATED;
1540 }
1541
1542 // Destroy popup window and the child control
1543 void wxComboCtrlBase::DestroyPopup()
1544 {
1545     if ( m_popup )
1546         m_popup->RemoveEventHandler(m_popupExtraHandler);
1547
1548     delete m_popupExtraHandler;
1549
1550     HidePopup();
1551
1552     delete m_popupInterface;
1553
1554     if ( m_winPopup )
1555         m_winPopup->Destroy();
1556
1557     m_popupInterface = (wxComboPopup*) NULL;
1558     m_winPopup = (wxWindow*) NULL;
1559     m_popup = (wxWindow*) NULL;
1560 }
1561
1562 void wxComboCtrlBase::DoSetPopupControl(wxComboPopup* iface)
1563 {
1564     wxCHECK_RET( iface, wxT("no popup interface set for wxComboCtrl") );
1565
1566     DestroyPopup();
1567
1568     iface->InitBase(this);
1569     iface->Init();
1570
1571     m_popupInterface = iface;
1572
1573     if ( !iface->LazyCreate() )
1574     {
1575         CreatePopup();
1576     }
1577     else
1578     {
1579         m_popup = (wxWindow*) NULL;
1580     }
1581
1582     // This must be done after creation
1583     if ( m_valueString.length() )
1584     {
1585         iface->SetStringValue(m_valueString);
1586         //Refresh();
1587     }
1588 }
1589
1590 // Ensures there is atleast the default popup
1591 void wxComboCtrlBase::EnsurePopupControl()
1592 {
1593     if ( !m_popupInterface )
1594         SetPopupControl(NULL);
1595 }
1596
1597 void wxComboCtrlBase::OnButtonClick()
1598 {
1599     // Derived classes can override this method for totally custom
1600     // popup action
1601     ShowPopup();
1602 }
1603
1604 void wxComboCtrlBase::ShowPopup()
1605 {
1606     EnsurePopupControl();
1607     wxCHECK_RET( !IsPopupShown(), wxT("popup window already shown") );
1608
1609     SetFocus();
1610
1611     // Space above and below
1612     int screenHeight;
1613     wxPoint scrPos;
1614     int spaceAbove;
1615     int spaceBelow;
1616     int maxHeightPopup;
1617     wxSize ctrlSz = GetSize();
1618
1619     screenHeight = wxSystemSettings::GetMetric( wxSYS_SCREEN_Y );
1620     scrPos = GetParent()->ClientToScreen(GetPosition());
1621
1622     spaceAbove = scrPos.y;
1623     spaceBelow = screenHeight - spaceAbove - ctrlSz.y;
1624
1625     maxHeightPopup = spaceBelow;
1626     if ( spaceAbove > spaceBelow )
1627         maxHeightPopup = spaceAbove;
1628
1629     // Width
1630     int widthPopup = ctrlSz.x + m_extLeft + m_extRight;
1631
1632     if ( widthPopup < m_widthMinPopup )
1633         widthPopup = m_widthMinPopup;
1634
1635     wxWindow* winPopup = m_winPopup;
1636     wxWindow* popup;
1637
1638     // Need to disable tab traversal of parent
1639     //
1640     // NB: This is to fix a bug in wxMSW. In theory it could also be fixed
1641     //     by, for instance, adding check to window.cpp:wxWindowMSW::MSWProcessMessage
1642     //     that if transient popup is open, then tab traversal is to be ignored.
1643     //     However, I think this code would still be needed for cases where
1644     //     transient popup doesn't work yet (wxWinCE?).
1645     wxWindow* parent = GetParent();
1646     int parentFlags = parent->GetWindowStyle();
1647     if ( parentFlags & wxTAB_TRAVERSAL )
1648     {
1649         parent->SetWindowStyle( parentFlags & ~(wxTAB_TRAVERSAL) );
1650         m_iFlags |= wxCC_IFLAG_PARENT_TAB_TRAVERSAL;
1651     }
1652
1653     if ( !winPopup )
1654     {
1655         CreatePopup();
1656         winPopup = m_winPopup;
1657         popup = m_popup;
1658     }
1659     else
1660     {
1661         popup = m_popup;
1662     }
1663
1664     wxASSERT( !m_popup || m_popup == popup ); // Consistency check.
1665
1666     wxSize adjustedSize = m_popupInterface->GetAdjustedSize(widthPopup,
1667                                                             m_heightPopup<=0?DEFAULT_POPUP_HEIGHT:m_heightPopup,
1668                                                             maxHeightPopup);
1669
1670     popup->SetSize(adjustedSize);
1671     popup->Move(0,0);
1672     m_popupInterface->OnPopup();
1673
1674     //
1675     // Reposition and resize popup window
1676     //
1677
1678     wxSize szp = popup->GetSize();
1679
1680     int popupX;
1681     int popupY = scrPos.y + ctrlSz.y;
1682
1683     // Default anchor is wxLEFT
1684     int anchorSide = m_anchorSide;
1685     if ( !anchorSide )
1686         anchorSide = wxLEFT;
1687
1688     int rightX = scrPos.x + ctrlSz.x + m_extRight - szp.x;
1689     int leftX = scrPos.x - m_extLeft;
1690     int screenWidth = wxSystemSettings::GetMetric( wxSYS_SCREEN_X );
1691
1692     // If there is not enough horizontal space, anchor on the other side.
1693     // If there is no space even then, place the popup at x 0.
1694     if ( anchorSide == wxRIGHT )
1695     {
1696         if ( rightX < 0 )
1697         {
1698             if ( (leftX+szp.x) < screenWidth )
1699                 anchorSide = wxLEFT;
1700             else
1701                 anchorSide = 0;
1702         }
1703     }
1704     else
1705     {
1706         if ( (leftX+szp.x) >= screenWidth )
1707         {
1708             if ( rightX >= 0 )
1709                 anchorSide = wxRIGHT;
1710             else
1711                 anchorSide = 0;
1712         }
1713     }
1714
1715     // Select x coordinate according to the anchor side
1716     if ( anchorSide == wxRIGHT )
1717         popupX = rightX;
1718     else if ( anchorSide == wxLEFT )
1719         popupX = leftX;
1720     else
1721         popupX = 0;
1722
1723     if ( spaceBelow < szp.y )
1724     {
1725         popupY = scrPos.y - szp.y;
1726     }
1727
1728     // Move to position
1729     //wxLogDebug(wxT("popup scheduled position1: %i,%i"),ptp.x,ptp.y);
1730     //wxLogDebug(wxT("popup position1: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1731
1732     // Some platforms (GTK) may need these two to be separate
1733     winPopup->SetSize( szp.x, szp.y );
1734     winPopup->Move( popupX, popupY );
1735
1736     //wxLogDebug(wxT("popup position2: %i,%i"),winPopup->GetPosition().x,winPopup->GetPosition().y);
1737
1738     m_popup = popup;
1739
1740     // Set string selection (must be this way instead of SetStringSelection)
1741     if ( m_text )
1742     {
1743         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1744             m_text->SelectAll();
1745
1746         m_popupInterface->SetStringValue( m_text->GetValue() );
1747     }
1748     else
1749     {
1750         // This is neede since focus/selection indication may change when popup is shown
1751         Refresh();
1752     }
1753
1754     // This must be after SetStringValue
1755     m_isPopupShown = true;
1756
1757     // Show it
1758 #if USE_TRANSIENT_POPUP
1759     ((wxPopupTransientWindow*)winPopup)->Popup(popup);
1760 #else
1761     winPopup->Show();
1762 #endif
1763
1764 #if INSTALL_TOPLEV_HANDLER
1765     // Put top level window event handler into place
1766     if ( !m_toplevEvtHandler )
1767         m_toplevEvtHandler = new wxComboFrameEventHandler(this);
1768
1769     wxWindow* toplev = ::wxGetTopLevelParent( this );
1770     wxASSERT( toplev );
1771     ((wxComboFrameEventHandler*)m_toplevEvtHandler)->OnPopup();
1772     toplev->PushEventHandler( m_toplevEvtHandler );
1773 #endif
1774
1775 }
1776
1777 void wxComboCtrlBase::OnPopupDismiss()
1778 {
1779     // Just in case, avoid double dismiss
1780     if ( !m_isPopupShown )
1781         return;
1782
1783     // *Must* set this before focus etc.
1784     m_isPopupShown = false;
1785
1786     // Inform popup control itself
1787     m_popupInterface->OnDismiss();
1788
1789     if ( m_popupExtraHandler )
1790         ((wxComboPopupExtraEventHandler*)m_popupExtraHandler)->OnPopupDismiss();
1791
1792 #if INSTALL_TOPLEV_HANDLER
1793     // Remove top level window event handler
1794     if ( m_toplevEvtHandler )
1795     {
1796         wxWindow* toplev = ::wxGetTopLevelParent( this );
1797         if ( toplev )
1798             toplev->RemoveEventHandler( m_toplevEvtHandler );
1799     }
1800 #endif
1801
1802     m_timeCanAcceptClick = ::wxGetLocalTimeMillis() + 150;
1803
1804     // If cursor not on dropdown button, then clear its state
1805     // (technically not required by all ports, but do it for all just in case)
1806     if ( !m_btnArea.Inside(ScreenToClient(::wxGetMousePosition())) )
1807         m_btnState = 0;
1808
1809     // Return parent's tab traversal flag.
1810     // See ShowPopup for notes.
1811     if ( m_iFlags & wxCC_IFLAG_PARENT_TAB_TRAVERSAL )
1812     {
1813         wxWindow* parent = GetParent();
1814         parent->SetWindowStyle( parent->GetWindowStyle() | wxTAB_TRAVERSAL );
1815         m_iFlags &= ~(wxCC_IFLAG_PARENT_TAB_TRAVERSAL);
1816     }
1817
1818     // refresh control (necessary even if m_text)
1819     Refresh();
1820
1821 #if !wxUSE_POPUPWIN
1822     SetFocus();
1823 #endif
1824
1825 }
1826
1827 void wxComboCtrlBase::HidePopup()
1828 {
1829     // Should be able to call this without popup interface
1830     //wxCHECK_RET( m_popupInterface, _T("no popup interface") );
1831     if ( !m_isPopupShown )
1832         return;
1833
1834     // transfer value and show it in textctrl, if any
1835     SetValue( m_popupInterface->GetStringValue() );
1836
1837 #if USE_TRANSIENT_POPUP
1838     ((wxPopupTransientWindow*)m_winPopup)->Dismiss();
1839 #else
1840     m_winPopup->Hide();
1841 #endif
1842
1843     OnPopupDismiss();
1844 }
1845
1846 // ----------------------------------------------------------------------------
1847 // customization methods
1848 // ----------------------------------------------------------------------------
1849
1850 void wxComboCtrlBase::SetButtonPosition( int width, int height,
1851                                             int side, int spacingX )
1852 {
1853     m_btnWid = width;
1854     m_btnHei = height;
1855     m_btnSide = side;
1856     m_btnSpacingX = spacingX;
1857
1858     RecalcAndRefresh();
1859 }
1860
1861 void wxComboCtrlBase::SetButtonBitmaps( const wxBitmap& bmpNormal,
1862                                            bool blankButtonBg,
1863                                            const wxBitmap& bmpPressed,
1864                                            const wxBitmap& bmpHover,
1865                                            const wxBitmap& bmpDisabled )
1866 {
1867     m_bmpNormal = bmpNormal;
1868     m_blankButtonBg = blankButtonBg;
1869
1870     if ( bmpPressed.Ok() )
1871         m_bmpPressed = bmpPressed;
1872     else
1873         m_bmpPressed = bmpNormal;
1874
1875     if ( bmpHover.Ok() )
1876         m_bmpHover = bmpHover;
1877     else
1878         m_bmpHover = bmpNormal;
1879
1880     if ( bmpDisabled.Ok() )
1881         m_bmpDisabled = bmpDisabled;
1882     else
1883         m_bmpDisabled = bmpNormal;
1884
1885     RecalcAndRefresh();
1886 }
1887
1888 void wxComboCtrlBase::SetCustomPaintWidth( int width )
1889 {
1890     if ( m_text )
1891     {
1892         // move textctrl accordingly
1893         wxRect r = m_text->GetRect();
1894         int inc = width - m_widthCustomPaint;
1895         r.x += inc;
1896         r.width -= inc;
1897         m_text->SetSize( r );
1898     }
1899
1900     m_widthCustomPaint = width;
1901
1902     RecalcAndRefresh();
1903 }
1904
1905 void wxComboCtrlBase::SetTextIndent( int indent )
1906 {
1907     if ( indent < 0 )
1908     {
1909         m_absIndent = GetNativeTextIndent();
1910         m_iFlags &= ~(wxCC_IFLAG_INDENT_SET);
1911     }
1912     else
1913     {
1914         m_absIndent = indent;
1915         m_iFlags |= wxCC_IFLAG_INDENT_SET;
1916     }
1917
1918     RecalcAndRefresh();
1919 }
1920
1921 wxCoord wxComboCtrlBase::GetNativeTextIndent() const
1922 {
1923     return DEFAULT_TEXT_INDENT;
1924 }
1925
1926 // ----------------------------------------------------------------------------
1927 // methods forwarded to wxTextCtrl
1928 // ----------------------------------------------------------------------------
1929
1930 wxString wxComboCtrlBase::GetValue() const
1931 {
1932     if ( m_text )
1933         return m_text->GetValue();
1934     return m_valueString;
1935 }
1936
1937 void wxComboCtrlBase::SetValue(const wxString& value)
1938 {
1939     if ( m_text )
1940     {
1941         m_text->SetValue(value);
1942         if ( !(m_iFlags & wxCC_NO_TEXT_AUTO_SELECT) )
1943             m_text->SelectAll();
1944     }
1945
1946     m_valueString = value;
1947
1948     Refresh();
1949
1950     // Since wxComboPopup may want to paint the combo as well, we need
1951     // to set the string value here (as well as sometimes in ShowPopup).
1952     if ( m_valueString != value && m_popupInterface )
1953     {
1954         m_popupInterface->SetStringValue(value);
1955     }
1956 }
1957
1958 // In this SetValue variant wxComboPopup::SetStringValue is not called
1959 void wxComboCtrlBase::SetText(const wxString& value)
1960 {
1961     // Unlike in SetValue(), this must be called here or
1962     // the behaviour will no be consistent in readonlys.
1963     EnsurePopupControl();
1964
1965     m_valueString = value;
1966
1967     Refresh();
1968 }
1969
1970 void wxComboCtrlBase::Copy()
1971 {
1972     if ( m_text )
1973         m_text->Copy();
1974 }
1975
1976 void wxComboCtrlBase::Cut()
1977 {
1978     if ( m_text )
1979         m_text->Cut();
1980 }
1981
1982 void wxComboCtrlBase::Paste()
1983 {
1984     if ( m_text )
1985         m_text->Paste();
1986 }
1987
1988 void wxComboCtrlBase::SetInsertionPoint(long pos)
1989 {
1990     if ( m_text )
1991         m_text->SetInsertionPoint(pos);
1992 }
1993
1994 void wxComboCtrlBase::SetInsertionPointEnd()
1995 {
1996     if ( m_text )
1997         m_text->SetInsertionPointEnd();
1998 }
1999
2000 long wxComboCtrlBase::GetInsertionPoint() const
2001 {
2002     if ( m_text )
2003         return m_text->GetInsertionPoint();
2004
2005     return 0;
2006 }
2007
2008 long wxComboCtrlBase::GetLastPosition() const
2009 {
2010     if ( m_text )
2011         return m_text->GetLastPosition();
2012
2013     return 0;
2014 }
2015
2016 void wxComboCtrlBase::Replace(long from, long to, const wxString& value)
2017 {
2018     if ( m_text )
2019         m_text->Replace(from, to, value);
2020 }
2021
2022 void wxComboCtrlBase::Remove(long from, long to)
2023 {
2024     if ( m_text )
2025         m_text->Remove(from, to);
2026 }
2027
2028 void wxComboCtrlBase::SetSelection(long from, long to)
2029 {
2030     if ( m_text )
2031         m_text->SetSelection(from, to);
2032 }
2033
2034 void wxComboCtrlBase::Undo()
2035 {
2036     if ( m_text )
2037         m_text->Undo();
2038 }
2039
2040 #endif // wxUSE_COMBOCTRL