X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ff9f7a12ff963859ef4928809f2296fa4fc4afd6..c2794afdbb17b46a677e28e73ac5e50a82e13399:/src/common/wincmn.cpp?ds=sidebyside diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index f2b0a67a0b..891c017583 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: common/window.cpp +// Name: src/common/window.cpp // Purpose: common (to all ports) wxWindow functions // Author: Julian Smart, Vadim Zeitlin // Modified by: @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) - #pragma implementation "windowbase.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -44,6 +40,7 @@ #include "wx/dialog.h" #include "wx/msgdlg.h" #include "wx/statusbr.h" + #include "wx/toolbar.h" #include "wx/dcclient.h" #endif //WX_PRECOMP @@ -77,15 +74,34 @@ #include "wx/caret.h" #endif // wxUSE_CARET +#if wxUSE_DISPLAY + #include "wx/display.h" +#endif + #if wxUSE_SYSTEM_OPTIONS - #include "wx/sysopt.h" + #include "wx/sysopt.h" +#endif + +// For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog. +// The gtk includes don't pull any other headers in, at least not on my system - MR +#ifdef __WXGTK__ + #ifdef __WXGTK20__ + #include + #else + #include + #endif + extern const unsigned int gtk_major_version; + extern const unsigned int gtk_minor_version; + extern const unsigned int gtk_micro_version; #endif // ---------------------------------------------------------------------------- // static data // ---------------------------------------------------------------------------- -#if defined(__WXPM__) +#if defined(__WXPALMOS__) +int wxWindowBase::ms_lastControlId = 32767; +#elif defined(__WXPM__) int wxWindowBase::ms_lastControlId = 2000; #else int wxWindowBase::ms_lastControlId = -200; @@ -156,7 +172,7 @@ wxWindowBase::wxWindowBase() // no style bits m_exStyle = m_windowStyle = 0; - + m_backgroundStyle = wxBG_STYLE_SYSTEM; #if wxUSE_CONSTRAINTS @@ -209,6 +225,9 @@ wxWindowBase::wxWindowBase() // VZ: this one shouldn't exist... m_isBeingDeleted = false; + + // Reserved for future use + m_windowReserved = NULL; } // common part of window creation process @@ -388,6 +407,7 @@ void wxWindowBase::Centre(int direction) int widthParent, heightParent; wxWindow *parent = NULL; + wxTopLevelWindow *winTop = NULL; if ( !(direction & wxCENTRE_ON_SCREEN) ) { @@ -409,9 +429,10 @@ void wxWindowBase::Centre(int direction) // Windows, for example, this places it completely off the screen if ( parent ) { - wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow); + winTop = wxDynamicCast(parent, wxTopLevelWindow); if ( winTop && winTop->IsIconized() ) { + winTop = NULL; parent = NULL; } } @@ -427,6 +448,21 @@ void wxWindowBase::Centre(int direction) if ( direction & wxCENTRE_ON_SCREEN ) { + //RN: If we are using wxDisplay we get + //the dimensions of the monitor the window is on, + //otherwise we get the dimensions of the primary monitor + //FIXME: wxDisplay::GetFromWindow only implemented on MSW +#if wxUSE_DISPLAY && defined(__WXMSW__) + int nDisplay = wxDisplay::GetFromWindow((wxWindow*)this); + if(nDisplay != wxNOT_FOUND) + { + wxDisplay windowDisplay(nDisplay); + wxRect displayRect = windowDisplay.GetGeometry(); + widthParent = displayRect.width; + heightParent = displayRect.height; + } + else +#endif // centre with respect to the whole screen wxDisplaySize(&widthParent, &heightParent); } @@ -434,11 +470,16 @@ void wxWindowBase::Centre(int direction) { if ( IsTopLevel() ) { - // centre on the parent - parent->GetSize(&widthParent, &heightParent); + if(winTop) + winTop->GetRectForTopLevelChildren(&posParent.x, &posParent.y, &widthParent, &heightParent); + else + { + // centre on the parent + parent->GetSize(&widthParent, &heightParent); - // adjust to the parents position - posParent = parent->GetPosition(); + // adjust to the parents position + posParent = parent->GetPosition(); + } } else { @@ -462,11 +503,14 @@ void wxWindowBase::Centre(int direction) xNew += posParent.x; yNew += posParent.y; + // FIXME: This needs to get the client display rect of the display + // the window is (via wxDisplay::GetFromWindow). + // Base size of the visible dimensions of the display // to take into account the taskbar. And the Mac menu bar at top. wxRect clientrect = wxGetClientDisplayRect(); - // NB: in wxMSW, negative position may not neccessary mean "out of screen", + // NB: in wxMSW, negative position may not necessarily mean "out of screen", // but it may mean that the window is placed on other than the main // display. Therefore we only make sure centered window is on the main display // if the parent is at least partially present here. @@ -490,14 +534,14 @@ void wxWindowBase::Centre(int direction) } // move the window to this position (keeping the old size but using - // SetSize() and not Move() to allow xNew and/or yNew to be -1) + // SetSize() and not Move() to allow xNew and/or yNew to be wxDefaultCoord) SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE); } // fits the window around the children void wxWindowBase::Fit() { - if ( GetChildren().GetCount() > 0 ) + if ( !GetChildren().empty() ) { SetClientSize(GetBestSize()); } @@ -518,7 +562,7 @@ void wxWindowBase::FitInside() static bool wxHasRealChildren(const wxWindowBase* win) { int realChildCount = 0; - + for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst(); node; node = node->GetNext() ) @@ -531,12 +575,24 @@ static bool wxHasRealChildren(const wxWindowBase* win) } #endif +void wxWindowBase::InvalidateBestSize() +{ + m_bestSizeCache = wxDefaultSize; + + // parent's best size calculation may depend on its children's + // best sizes, so let's invalidate it as well to be safe: + if (m_parent) + m_parent->InvalidateBestSize(); +} + // return the size best suited for the current window wxSize wxWindowBase::DoGetBestSize() const { + wxSize best; + if ( m_windowSizer ) { - return m_windowSizer->GetMinSize(); + best = GetWindowSizeForVirtualSize(m_windowSizer->GetMinSize()); } #if wxUSE_CONSTRAINTS else if ( m_constraints ) @@ -572,7 +628,7 @@ wxSize wxWindowBase::DoGetBestSize() const // will never return a size bigger than the current one :-( } - return wxSize(maxX, maxY); + best = wxSize(maxX, maxY); } #endif // wxUSE_CONSTRAINTS else if ( !GetChildren().empty() @@ -624,17 +680,35 @@ wxSize wxWindowBase::DoGetBestSize() const maxX += 7; maxY += 14; - return wxSize(maxX, maxY); + best = wxSize(maxX, maxY); } else // ! has children { - // for a generic window there is no natural best size - just use either the - // minimum size if there is one, or the current size - if ( GetMinSize().IsFullySpecified() ) - return GetMinSize(); - else - return GetSize(); + // for a generic window there is no natural best size so, if the + // minimal size is not set, use the current size but take care to + // remember it as minimal size for the next time because our best size + // should be constant: otherwise we could get into a situation when the + // window is initially at some size, then expanded to a larger size and + // then, when the containing window is shrunk back (because our initial + // best size had been used for computing the parent min size), we can't + // be shrunk back any more because our best size is now bigger + wxSize size = GetMinSize(); + if ( !size.IsFullySpecified() ) + { + size.SetDefaults(GetSize()); + wxConstCast(this, wxWindowBase)->SetMinSize(size); + } + + // return as-is, unadjusted by the client size difference. + return size; } + + // Add any difference between size and client size + wxSize diff = GetSize() - GetClientSize(); + best.x += wxMax(0, diff.x); + best.y += wxMax(0, diff.y); + + return best; } @@ -660,7 +734,7 @@ void wxWindowBase::SetBestFittingSize(const wxSize& size) // Merge the size with the best size if needed wxSize best = GetBestFittingSize(); - + // If the current size doesn't match then change it if (GetSize() != best) SetSize(best); @@ -670,13 +744,13 @@ void wxWindowBase::SetBestFittingSize(const wxSize& size) // by default the origin is not shifted wxPoint wxWindowBase::GetClientAreaOrigin() const { - return wxPoint(0, 0); + return wxPoint(0,0); } // set the min/max size of the window -void wxWindowBase::SetSizeHints(int minW, int minH, - int maxW, int maxH, - int WXUNUSED(incW), int WXUNUSED(incH)) +void wxWindowBase::DoSetSizeHints(int minW, int minH, + int maxW, int maxH, + int WXUNUSED(incW), int WXUNUSED(incH)) { // setting min width greater than max width leads to infinite loops under // X11 and generally doesn't make any sense, so don't allow it @@ -760,10 +834,17 @@ void wxWindowBase::DoSetVirtualSize( int x, int y ) wxSize wxWindowBase::DoGetVirtualSize() const { - wxSize s( GetClientSize() ); + // we should use the entire client area so if it is greater than our + // virtual size, expand it to fit (otherwise if the window is big enough we + // wouldn't be using parts of it) + wxSize size = GetClientSize(); + if ( m_virtualSize.x > size.x ) + size.x = m_virtualSize.x; + + if ( m_virtualSize.y >= size.y ) + size.y = m_virtualSize.y; - return wxSize( wxMax( m_virtualSize.GetWidth(), s.GetWidth() ), - wxMax( m_virtualSize.GetHeight(), s.GetHeight() ) ); + return size; } // ---------------------------------------------------------------------------- @@ -966,8 +1047,15 @@ void wxWindowBase::InheritAttributes() if ( parent->m_inheritFgCol && !m_hasFgCol ) SetForegroundColour(parent->GetForegroundColour()); + // inheriting (solid) background colour is wrong as it totally breaks + // any kind of themed backgrounds + // + // instead, the controls should use the same background as their parent + // (ideally by not drawing it at all) +#if 0 if ( parent->m_inheritBgCol && !m_hasBgCol ) SetBackgroundColour(parent->GetBackgroundColour()); +#endif // 0 } } @@ -979,8 +1067,17 @@ wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant)) wxVisualAttributes attrs; attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT); attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT); - attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); + // On Smartphone/PocketPC, wxSYS_COLOUR_WINDOW is a better reflection of + // the usual background colour than wxSYS_COLOUR_BTNFACE. + // It's a pity that wxSYS_COLOUR_WINDOW isn't always a suitable background + // colour on other platforms. + +#if defined(__WXWINCE__) && (defined(__SMARTPHONE__) || defined(__POCKETPC__)) + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW); +#else + attrs.colBg = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE); +#endif return attrs; } @@ -1027,10 +1124,13 @@ wxColour wxWindowBase::GetForegroundColour() const bool wxWindowBase::SetBackgroundColour( const wxColour &colour ) { - if ( colour == m_backgroundColour ) + if ( colour == m_backgroundColour ) return false; m_hasBgCol = colour.Ok(); + if ( m_backgroundStyle != wxBG_STYLE_CUSTOM ) + m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM; + m_inheritBgCol = m_hasBgCol; m_backgroundColour = colour; SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() ); @@ -1199,7 +1299,7 @@ void wxWindowBase::ClearBackground() // find child window by id or name // ---------------------------------------------------------------------------- -wxWindow *wxWindowBase::FindWindow( long id ) +wxWindow *wxWindowBase::FindWindow(long id) const { if ( id == m_windowId ) return (wxWindow *)this; @@ -1215,7 +1315,7 @@ wxWindow *wxWindowBase::FindWindow( long id ) return (wxWindow *)res; } -wxWindow *wxWindowBase::FindWindow( const wxString& name ) +wxWindow *wxWindowBase::FindWindow(const wxString& name) const { if ( name == m_windowName ) return (wxWindow *)this; @@ -1347,7 +1447,7 @@ wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent) wxWindow * wxWindowBase::FindWindowById( long id, const wxWindow* parent ) { - return wxFindWindowHelper(parent, _T(""), id, wxFindWindowCmpIds); + return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds); } // ---------------------------------------------------------------------------- @@ -2006,7 +2106,7 @@ void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) co void wxWindowBase::UpdateWindowUI(long flags) { wxUpdateUIEvent event(GetId()); - event.m_eventObject = this; + event.SetEventObject(this); if ( GetEventHandler()->ProcessEvent(event) ) { @@ -2043,12 +2143,16 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event) if ( event.GetText() != control->GetLabel() ) control->SetLabel(event.GetText()); } + } +#endif // wxUSE_CONTROLS + + if ( event.GetSetChecked() ) + { #if wxUSE_CHECKBOX wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox); if ( checkbox ) { - if ( event.GetSetChecked() ) - checkbox->SetValue(event.GetChecked()); + checkbox->SetValue(event.GetChecked()); } #endif // wxUSE_CHECKBOX @@ -2056,12 +2160,10 @@ void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event) wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton); if ( radiobtn ) { - if ( event.GetSetChecked() ) - radiobtn->SetValue(event.GetChecked()); + radiobtn->SetValue(event.GetChecked()); } #endif // wxUSE_RADIOBTN } -#endif } #if 0 @@ -2089,10 +2191,10 @@ wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2(-1, -1); - if (pt.x != -1) + wxPoint pt2 = wxDefaultPosition; + if (pt.x != wxDefaultCoord) pt2.x = (int) ((pt.x * 4) / charWidth); - if (pt.y != -1) + if (pt.y != wxDefaultCoord) pt2.y = (int) ((pt.y * 8) / charHeight); return pt2; @@ -2102,10 +2204,10 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2(-1, -1); - if (pt.x != -1) + wxPoint pt2 = wxDefaultPosition; + if (pt.x != wxDefaultCoord) pt2.x = (int) ((pt.x * charWidth) / 4); - if (pt.y != -1) + if (pt.y != wxDefaultCoord) pt2.y = (int) ((pt.y * charHeight) / 8); return pt2; @@ -2126,7 +2228,7 @@ void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& event) if ( !win->IsTopLevel() ) { wxSysColourChangedEvent event2; - event.m_eventObject = win; + event.SetEventObject(win); win->GetEventHandler()->ProcessEvent(event2); } @@ -2147,12 +2249,82 @@ void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) ) UpdateWindowUI(wxUPDATE_UI_RECURSE); } -// process Ctrl-Alt-mclick +// methods for drawing the sizers in a visible way +#ifdef __WXDEBUG__ + +static void DrawSizers(wxWindowBase *win); + +static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false) +{ + wxClientDC dc((wxWindow *)win); + dc.SetPen(*wxRED_PEN); + dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH); + dc.DrawRectangle(rect.Deflate(1, 1)); +} + +static void DrawSizer(wxWindowBase *win, wxSizer *sizer) +{ + const wxSizerItemList& items = sizer->GetChildren(); + for ( wxSizerItemList::const_iterator i = items.begin(), + end = items.end(); + i != end; + ++i ) + { + wxSizerItem *item = *i; + if ( item->IsSizer() ) + { + DrawBorder(win, item->GetRect().Deflate(2)); + DrawSizer(win, item->GetSizer()); + } + else if ( item->IsSpacer() ) + { + DrawBorder(win, item->GetRect().Deflate(2), true); + } + else if ( item->IsWindow() ) + { + DrawSizers(item->GetWindow()); + } + } +} + +static void DrawSizers(wxWindowBase *win) +{ + wxSizer *sizer = win->GetSizer(); + if ( sizer ) + { + DrawBorder(win, win->GetClientSize()); + DrawSizer(win, sizer); + } + else // no sizer, still recurse into the children + { + const wxWindowList& children = win->GetChildren(); + for ( wxWindowList::const_iterator i = children.begin(), + end = children.end(); + i != end; + ++i ) + { + DrawSizers(*i); + } + } +} + +#endif // __WXDEBUG__ + +// process special middle clicks void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) { -#if wxUSE_MSGDLG if ( event.ControlDown() && event.AltDown() ) { +#ifdef __WXDEBUG__ + // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds + if ( event.ShiftDown() ) + { + DrawSizers(this); + return; + } +#endif // __WXDEBUG__ + +#if wxUSE_MSGDLG // don't translate these strings wxString port; @@ -2162,32 +2334,36 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) switch ( wxGetOsVersion() ) { - case wxMOTIF_X: port += _T("Motif"); break; + case wxMOTIF_X: port += _T("Motif"); break; case wxMAC: - case wxMAC_DARWIN: port += _T("Mac"); break; - case wxBEOS: port += _T("BeOS"); break; + case wxMAC_DARWIN: port += _T("Mac"); break; + case wxBEOS: port += _T("BeOS"); break; case wxGTK: case wxGTK_WIN32: case wxGTK_OS2: - case wxGTK_BEOS: port += _T("GTK"); break; + case wxGTK_BEOS: port += _T("GTK"); break; case wxWINDOWS: case wxPENWINDOWS: case wxWINDOWS_NT: case wxWIN32S: case wxWIN95: - case wxWIN386: port += _T("MS Windows"); break; + case wxWIN386: port += _T("MS Windows"); break; case wxMGL_UNIX: case wxMGL_X: case wxMGL_WIN32: - case wxMGL_OS2: port += _T("MGL"); break; + case wxMGL_OS2: port += _T("MGL"); break; case wxWINDOWS_OS2: - case wxOS2_PM: port += _T("OS/2"); break; + case wxOS2_PM: port += _T("OS/2"); break; + case wxPALMOS: port += _T("Palm OS"); break; + case wxWINDOWS_CE: port += _T("Windows CE (generic)"); break; + case wxWINDOWS_POCKETPC: port += _T("Windows CE PocketPC"); break; + case wxWINDOWS_SMARTPHONE: port += _T("Windows CE Smartphone"); break; default: port += _T("unknown"); break; } wxMessageBox(wxString::Format( _T( - " wxWidgets Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWidgets team" + " wxWidgets Library (%s port)\nVersion %d.%d.%d%s%s, compiled at %s %s%s\n Copyright (c) 1995-2006 wxWidgets team" ), port.c_str(), wxMAJOR_VERSION, @@ -2197,9 +2373,19 @@ void wxWindowBase::OnMiddleClick( wxMouseEvent& event ) L" (Unicode)", #else "", +#endif +#ifdef __WXDEBUG__ + _T(" Debug build"), +#else + wxEmptyString, #endif __TDATE__, - __TTIME__ + __TTIME__, +#ifdef __WXGTK__ + wxString::Format(_T("\nagainst GTK+ %d.%d.%d. Runtime GTK+ version: %d.%d.%d"), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION, gtk_major_version, gtk_minor_version, gtk_micro_version).c_str() +#else + "" +#endif ), _T("wxWidgets information"), wxICON_INFORMATION | wxOK, @@ -2242,15 +2428,22 @@ wxAccessible* wxWindowBase::CreateAccessible() #endif -#if !wxUSE_STL // ---------------------------------------------------------------------------- // list classes implementation // ---------------------------------------------------------------------------- +#if wxUSE_STL + +#include "wx/listimpl.cpp" +WX_DEFINE_LIST(wxWindowList) + +#else + void wxWindowListNode::DeleteData() { delete (wxWindow *)GetData(); } + #endif // ---------------------------------------------------------------------------- @@ -2397,7 +2590,7 @@ bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event)) bool wxWindowBase::TryParent(wxEvent& event) { - // carry on up the parent-child hierarchy if the propgation count hasn't + // carry on up the parent-child hierarchy if the propagation count hasn't // reached zero yet if ( event.ShouldPropagate() ) { @@ -2443,6 +2636,11 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move) wxCHECK_RET( GetParent(), _T("MoveBefore/AfterInTabOrder() don't work for TLWs!") ); + // detect the special case when we have nothing to do anyhow and when the + // code below wouldn't work + if ( win == this ) + return; + // find the target window in the siblings list wxWindowList& siblings = GetParent()->GetChildren(); wxWindowList::compatibility_iterator i = siblings.Find(win); @@ -2467,6 +2665,16 @@ void wxWindowBase::DoMoveInTabOrder(wxWindow *win, MoveKind move) } } +// ---------------------------------------------------------------------------- +// focus handling +// ---------------------------------------------------------------------------- + +/*static*/ wxWindow* wxWindowBase::FindFocus() +{ + wxWindowBase *win = DoFindFocus(); + return win ? win->GetMainWindowOfCompositeControl() : NULL; +} + // ---------------------------------------------------------------------------- // global functions // ---------------------------------------------------------------------------- @@ -2644,7 +2852,7 @@ wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name) #endif title = GetWindow()->GetName(); - if (!title.IsEmpty()) + if (!title.empty()) { *name = title; return wxACC_OK; @@ -2750,7 +2958,7 @@ wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* return wxACC_FAIL; wxString ht(GetWindow()->GetHelpText()); - if (!ht.IsEmpty()) + if (!ht.empty()) { *description = ht; return wxACC_OK; @@ -2766,7 +2974,7 @@ wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* hel return wxACC_FAIL; wxString ht(GetWindow()->GetHelpText()); - if (!ht.IsEmpty()) + if (!ht.empty()) { *helpText = ht; return wxACC_OK; @@ -2886,7 +3094,7 @@ wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** // Gets a variant representing the selected children // of this object. // Acceptable values: -// - a null variant (IsNull() returns TRUE) +// - a null variant (IsNull() returns true) // - a list variant (GetType() == wxT("list") // - an integer representing the selected child element, // or 0 if this object is selected (GetType() == wxT("long")