X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f03fc89fff2d6e823e7d4d14fbe14822ad6777b1..f22e0c3c3f90510f1a92ab148f20b2453e338626:/src/common/wincmn.cpp diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp index 34eb0c66ee..dd3822251d 100644 --- a/src/common/wincmn.cpp +++ b/src/common/wincmn.cpp @@ -17,6 +17,10 @@ // headers // ---------------------------------------------------------------------------- +#ifdef __GNUG__ + #pragma implementation "windowbase.h" +#endif + // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -33,12 +37,14 @@ #include "wx/window.h" #include "wx/checkbox.h" #include "wx/radiobut.h" + #include "wx/textctrl.h" #include "wx/settings.h" #include "wx/dialog.h" #endif //WX_PRECOMP #if wxUSE_CONSTRAINTS #include "wx/layout.h" + #include "wx/sizer.h" #endif // wxUSE_CONSTRAINTS #if wxUSE_DRAG_AND_DROP @@ -49,11 +55,15 @@ #include "wx/tooltip.h" #endif // wxUSE_TOOLTIPS +#if wxUSE_CARET + #include "wx/caret.h" +#endif // wxUSE_CARET + // ---------------------------------------------------------------------------- // static data // ---------------------------------------------------------------------------- -int wxWindowBase::ms_lastControlId = 0; +int wxWindowBase::ms_lastControlId = -200; IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler) @@ -78,7 +88,6 @@ END_EVENT_TABLE() void wxWindowBase::InitBase() { // no window yet, no parent nor children - m_widget = (WXWidget)0; m_parent = (wxWindow *)NULL; m_windowId = -1; m_children.DeleteContents( FALSE ); // don't auto delete node data @@ -93,23 +102,28 @@ void wxWindowBase::InitBase() m_isShown = FALSE; m_isEnabled = TRUE; - // no client data - m_clientObject = (wxClientData *)NULL; + // no client data (yet) m_clientData = NULL; + m_clientDataType = ClientData_None; // the default event handler is just this window m_eventHandler = this; +#if wxUSE_VALIDATORS // no validator m_windowValidator = (wxValidator *) NULL; +#endif // wxUSE_VALIDATORS // use the system default colours wxSystemSettings settings; m_backgroundColour = settings.GetSystemColour(wxSYS_COLOUR_BTNFACE); m_foregroundColour = *wxBLACK; // TODO take this from sys settings too? +#ifndef __WXMAC__ m_font = *wxSWISS_FONT; // and this? - +#else + m_font = settings.GetSystemFont(wxSYS_DEFAULT_GUI_FONT); +#endif // no style bits m_windowStyle = 0; @@ -122,7 +136,6 @@ void wxWindowBase::InitBase() m_constraints = (wxLayoutConstraints *) NULL; m_constraintsInvolvedIn = (wxWindowList *) NULL; m_windowSizer = (wxSizer *) NULL; - m_sizerParent = (wxWindowBase *) NULL; m_autoLayout = FALSE; #endif // wxUSE_CONSTRAINTS @@ -133,20 +146,27 @@ void wxWindowBase::InitBase() #if wxUSE_TOOLTIPS m_tooltip = (wxToolTip *)NULL; #endif // wxUSE_TOOLTIPS + +#if wxUSE_CARET + m_caret = (wxCaret *)NULL; +#endif // wxUSE_CARET } // common part of window creation process bool wxWindowBase::CreateBase(wxWindowBase *parent, wxWindowID id, - const wxPoint& pos, - const wxSize& size, + const wxPoint& WXUNUSED(pos), + const wxSize& WXUNUSED(size), long style, +#if wxUSE_VALIDATORS + const wxValidator& validator, +#endif const wxString& name) { // m_isWindow is set to TRUE in wxWindowBase::Init() as well as many other // member variables - check that it has been called (will catch the case // when a new ctor is added which doesn't call InitWindow) - wxASSERT_MSG( m_isWindow, _T("Init() must have been called before!") ); + wxASSERT_MSG( m_isWindow, wxT("Init() must have been called before!") ); // generate a new id if the user doesn't care about it m_windowId = id == -1 ? NewControlId() : id; @@ -154,6 +174,7 @@ bool wxWindowBase::CreateBase(wxWindowBase *parent, SetName(name); SetWindowStyleFlag(style); SetParent(parent); + SetValidator(validator); return TRUE; } @@ -176,12 +197,30 @@ wxWindowBase::~wxWindowBase() // we weren't a dialog class wxTopLevelWindows.DeleteObject(this); - DestroyChildren(); + wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") ); + // make sure that there are no dangling pointers left pointing to us + wxPanel *panel = wxDynamicCast(GetParent(), wxPanel); + if ( panel ) + { + if ( panel->GetLastFocus() == this ) + { + panel->SetLastFocus((wxWindow *)NULL); + } + } + +#if wxUSE_CARET + if ( m_caret ) + delete m_caret; +#endif // wxUSE_CARET + +#if wxUSE_VALIDATORS if ( m_windowValidator ) delete m_windowValidator; +#endif // wxUSE_VALIDATORS - if ( m_clientObject ) + // we only delete object data, not untyped + if ( m_clientDataType == ClientData_Object ) delete m_clientObject; #if wxUSE_CONSTRAINTS @@ -201,9 +240,6 @@ wxWindowBase::~wxWindowBase() if ( m_windowSizer ) delete m_windowSizer; - // If this is a child of a sizer, remove self from parent - if ( m_sizerParent ) - m_sizerParent->RemoveChild(this); #endif // wxUSE_CONSTRAINTS #if wxUSE_DRAG_AND_DROP @@ -241,21 +277,28 @@ bool wxWindowBase::Close(bool force) bool wxWindowBase::DestroyChildren() { wxWindowList::Node *node; - for ( node = m_children.GetFirst(); node; node = node->GetNext() ) + for ( ;; ) { + // we iterate until the list becomes empty + node = GetChildren().GetFirst(); + if ( !node ) + break; + wxWindow *child = node->GetData(); - if ( child ) - { - delete child; - delete node; - } + + wxASSERT_MSG( child, wxT("children list contains empty nodes") ); + + delete child; + + wxASSERT_MSG( !GetChildren().Find(child), + wxT("child didn't remove itself using RemoveChild()") ); } return TRUE; } // ---------------------------------------------------------------------------- -// centre/fit the window +// size/position related methods // ---------------------------------------------------------------------------- // centre the window with respect to its parent in either (or both) directions @@ -264,58 +307,105 @@ void wxWindowBase::Centre(int direction) int widthParent, heightParent; wxWindow *parent = GetParent(); - if ( parent ) + if ( !parent ) { - parent->GetClientSize(&widthParent, &heightParent); + // no other choice + direction |= wxCENTRE_ON_SCREEN; } - else + + if ( direction & wxCENTRE_ON_SCREEN ) { // centre with respect to the whole screen wxDisplaySize(&widthParent, &heightParent); } + else + { + // centre inside the parents rectangle + parent->GetClientSize(&widthParent, &heightParent); + } int width, height; GetSize(&width, &height); - int new_x = -1, - new_y = -1; + int xNew = -1, + yNew = -1; if ( direction & wxHORIZONTAL ) - new_x = (widthParent - width)/2; + xNew = (widthParent - width)/2; if ( direction & wxVERTICAL ) - new_y = (heightParent - height)/2; + yNew = (heightParent - height)/2; + + // controls are always centered on their parent because it doesn't make + // sense to centre them on the screen + if ( !(direction & wxCENTRE_ON_SCREEN) || wxDynamicCast(this, wxControl) ) + { + // theo nly chance to get this is to have a wxControl without parent + wxCHECK_RET( parent, wxT("a control must have a parent") ); + + // adjust to the parents client area origin + wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0)); + + xNew += posParent.x; + yNew += posParent.y; + } - Move(new_x, new_y); + // move the centre of this window to this position + Move(xNew, yNew); } // fits the window around the children void wxWindowBase::Fit() { - int maxX = 0, - maxY = 0; + if ( GetChildren().GetCount() > 0 ) + { + SetClientSize(DoGetBestSize()); + } + //else: do nothing if we have no children +} - wxWindowList::Node *node = GetChildren().GetFirst(); - while ( node ) +// return the size best suited for the current window +wxSize wxWindowBase::DoGetBestSize() const +{ + if ( GetChildren().GetCount() > 0 ) { - wxWindow *win = node->GetData(); - int wx, wy, ww, wh; - win->GetPosition(&wx, &wy); - win->GetSize(&ww, &wh); - if ( wx + ww > maxX ) - maxX = wx + ww; - if ( wy + wh > maxY ) - maxY = wy + wh; + // our minimal acceptable size is such that all our windows fit inside + int maxX = 0, + maxY = 0; - node = node->GetNext(); - } + for ( wxWindowList::Node *node = GetChildren().GetFirst(); + node; + node = node->GetNext() ) + { + wxWindow *win = node->GetData(); + if ( win->IsTopLevel() ) + { + // dialogs and frames lie in different top level windows - + // don't deal with them here + continue; + } + + int wx, wy, ww, wh; + win->GetPosition(&wx, &wy); + win->GetSize(&ww, &wh); + if ( wx + ww > maxX ) + maxX = wx + ww; + if ( wy + wh > maxY ) + maxY = wy + wh; + } - // leave a margin - SetClientSize(maxX + 7, maxY + 14); + // leave a margin + return wxSize(maxX + 7, maxY + 14); + } + else + { + // for a generic window there is no natural best size - just use the + // current one + return GetSize(); + } } // 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)) @@ -357,6 +447,14 @@ bool wxWindowBase::Enable(bool enable) return FALSE; } } +// ---------------------------------------------------------------------------- +// RTTI +// ---------------------------------------------------------------------------- + +bool wxWindowBase::IsTopLevel() const +{ + return FALSE; +} // ---------------------------------------------------------------------------- // reparenting the window @@ -364,7 +462,7 @@ bool wxWindowBase::Enable(bool enable) void wxWindowBase::AddChild(wxWindowBase *child) { - wxCHECK_RET( child, _T("can't add a NULL child") ); + wxCHECK_RET( child, wxT("can't add a NULL child") ); GetChildren().Append(child); child->SetParent(this); @@ -372,7 +470,7 @@ void wxWindowBase::AddChild(wxWindowBase *child) void wxWindowBase::RemoveChild(wxWindowBase *child) { - wxCHECK_RET( child, _T("can't remove a NULL child") ); + wxCHECK_RET( child, wxT("can't remove a NULL child") ); GetChildren().DeleteObject(child); child->SetParent((wxWindow *)NULL); @@ -467,7 +565,7 @@ bool wxWindowBase::SetCursor(const wxCursor& cursor) // don't try to set invalid cursor, always fall back to the default const wxCursor& cursorOk = cursor.Ok() ? cursor : *wxSTANDARD_CURSOR; - if ( cursorOk == m_cursor ) + if ( (wxCursor&)cursorOk == m_cursor ) { // no change return FALSE; @@ -483,7 +581,7 @@ bool wxWindowBase::SetFont(const wxFont& font) // don't try to set invalid font, always fall back to the default const wxFont& fontOk = font.Ok() ? font : *wxSWISS_FONT; - if ( fontOk == m_font ) + if ( (wxFont&)fontOk == m_font ) { // no change return FALSE; @@ -494,6 +592,25 @@ bool wxWindowBase::SetFont(const wxFont& font) return TRUE; } +#if wxUSE_CARET +void wxWindowBase::SetCaret(wxCaret *caret) +{ + if ( m_caret ) + { + delete m_caret; + } + + m_caret = caret; + + if ( m_caret ) + { + wxASSERT_MSG( m_caret->GetWindow() == this, + wxT("caret should be created associated to this window") ); + } +} +#endif // wxUSE_CARET + +#if wxUSE_VALIDATORS // ---------------------------------------------------------------------------- // validators // ---------------------------------------------------------------------------- @@ -508,6 +625,7 @@ void wxWindowBase::SetValidator(const wxValidator& validator) if ( m_windowValidator ) m_windowValidator->SetWindow(this) ; } +#endif // wxUSE_VALIDATORS // ---------------------------------------------------------------------------- // update region testing @@ -565,27 +683,42 @@ wxWindow *wxWindowBase::FindWindow( const wxString& name ) void wxWindowBase::MakeModal(bool modal) { - wxFAIL_MSG("TODO"); + // Disable all other windows + if ( IsTopLevel() ) + { + wxWindowList::Node *node = wxTopLevelWindows.GetFirst(); + while (node) + { + wxWindow *win = node->GetData(); + if (win != this) + win->Enable(!modal); + + node = node->GetNext(); + } + } } bool wxWindowBase::Validate() { +#if wxUSE_VALIDATORS wxWindowList::Node *node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { wxWindowBase *child = node->GetData(); wxValidator *validator = child->GetValidator(); - if ( validator && validator->Validate(this) ) + if ( validator && !validator->Validate((wxWindow *)this) ) { return FALSE; } } +#endif // wxUSE_VALIDATORS return TRUE; } bool wxWindowBase::TransferDataToWindow() { +#if wxUSE_VALIDATORS wxWindowList::Node *node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { @@ -603,12 +736,14 @@ bool wxWindowBase::TransferDataToWindow() return FALSE; } } +#endif // wxUSE_VALIDATORS return TRUE; } bool wxWindowBase::TransferDataFromWindow() { +#if wxUSE_VALIDATORS wxWindowList::Node *node; for ( node = m_children.GetFirst(); node; node = node->GetNext() ) { @@ -619,6 +754,7 @@ bool wxWindowBase::TransferDataFromWindow() return FALSE; } } +#endif // wxUSE_VALIDATORS return TRUE; } @@ -776,39 +912,35 @@ void wxWindowBase::DeleteRelatedConstraints() void wxWindowBase::SetSizer(wxSizer *sizer) { + if (m_windowSizer) delete m_windowSizer; + m_windowSizer = sizer; - if ( sizer ) - sizer->SetSizerParent(this); } bool wxWindowBase::Layout() { - if ( GetConstraints() ) - { - int w, h; - GetClientSize(&w, &h); - GetConstraints()->width.SetValue(w); - GetConstraints()->height.SetValue(h); - } + int w, h; + GetClientSize(&w, &h); - // If top level (one sizer), evaluate the sizer's constraints. + // If there is a sizer, use it instead of the constraints if ( GetSizer() ) { - int noChanges; - GetSizer()->ResetConstraints(); // Mark all constraints as unevaluated - GetSizer()->LayoutPhase1(&noChanges); - GetSizer()->LayoutPhase2(&noChanges); - GetSizer()->SetConstraintSizes(); // Recursively set the real window sizes + GetSizer()->SetDimension( 0, 0, w, h ); return TRUE; } - else + + if ( GetConstraints() ) { - // Otherwise, evaluate child constraints - ResetConstraints(); // Mark all constraints as unevaluated - DoPhase(1); // Just one phase need if no sizers involved - DoPhase(2); - SetConstraintSizes(); // Recursively set the real window sizes + GetConstraints()->width.SetValue(w); + GetConstraints()->height.SetValue(h); } + + // Evaluate child constraints + ResetConstraints(); // Mark all constraints as unevaluated + DoPhase(1); // Just one phase need if no sizers involved + DoPhase(2); + SetConstraintSizes(); // Recursively set the real window sizes + return TRUE; } @@ -853,7 +985,7 @@ bool wxWindowBase::DoPhase(int phase) while (node) { wxWindow *child = node->GetData(); - if ( !child->IsKindOf(CLASSINFO(wxFrame)) && !child->IsKindOf(CLASSINFO(wxDialog)) ) + if ( !child->IsTopLevel() ) { wxLayoutConstraints *constr = child->GetConstraints(); if ( constr ) @@ -897,7 +1029,7 @@ void wxWindowBase::ResetConstraints() while (node) { wxWindow *win = node->GetData(); - if ( !win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) ) + if ( !win->IsTopLevel() ) win->ResetConstraints(); node = node->GetNext(); } @@ -916,17 +1048,15 @@ void wxWindowBase::SetConstraintSizes(bool recurse) int w = constr->width.GetValue(); int h = constr->height.GetValue(); - // If we don't want to resize this window, just move it... if ( (constr->width.GetRelationship() != wxAsIs ) || - (constr->height.GetRelationship() != wxAsIs)) + (constr->height.GetRelationship() != wxAsIs) ) { - // Calls Layout() recursively. AAAGH. How can we stop that. - // Simply take Layout() out of non-top level OnSizes. - SizerSetSize(x, y, w, h); + SetSize(x, y, w, h); } else { - SizerMove(x, y); + // If we don't want to resize this window, just move it... + Move(x, y); } } else if ( constr ) @@ -934,18 +1064,18 @@ void wxWindowBase::SetConstraintSizes(bool recurse) wxChar *windowClass = GetClassInfo()->GetClassName(); wxString winName; - if ( GetName() == _T("") ) - winName = _T("unnamed"); + if ( GetName() == wxT("") ) + winName = wxT("unnamed"); else winName = GetName(); - wxLogDebug( _T("Constraint(s) not satisfied for window of type %s, name %s:\n"), + wxLogDebug( wxT("Constraint(s) not satisfied for window of type %s, name %s:\n"), (const wxChar *)windowClass, (const wxChar *)winName); - if ( !constr->left.GetDone()) wxLogDebug( _T(" unsatisfied 'left' constraint.\n") ); - if ( !constr->right.GetDone()) wxLogDebug( _T(" unsatisfied 'right' constraint.\n") ); - if ( !constr->width.GetDone()) wxLogDebug( _T(" unsatisfied 'width' constraint.\n") ); - if ( !constr->height.GetDone()) wxLogDebug( _T(" unsatisfied 'height' constraint.\n") ); - wxLogDebug( _T("Please check constraints: try adding AsIs() constraints.\n") ); + if ( !constr->left.GetDone()) wxLogDebug( wxT(" unsatisfied 'left' constraint.\n") ); + if ( !constr->right.GetDone()) wxLogDebug( wxT(" unsatisfied 'right' constraint.\n") ); + if ( !constr->width.GetDone()) wxLogDebug( wxT(" unsatisfied 'width' constraint.\n") ); + if ( !constr->height.GetDone()) wxLogDebug( wxT(" unsatisfied 'height' constraint.\n") ); + wxLogDebug( wxT("Please check constraints: try adding AsIs() constraints.\n") ); } if ( recurse ) @@ -954,44 +1084,13 @@ void wxWindowBase::SetConstraintSizes(bool recurse) while (node) { wxWindow *win = node->GetData(); - if ( !win->IsKindOf(CLASSINFO(wxFrame)) && !win->IsKindOf(CLASSINFO(wxDialog)) ) + if ( !win->IsTopLevel() ) win->SetConstraintSizes(); node = node->GetNext(); } } } -// This assumes that all sizers are 'on' the same window, i.e. the parent of -// this window. -void wxWindowBase::TransformSizerToActual(int *x, int *y) const -{ - if ( !m_sizerParent || m_sizerParent->IsKindOf(CLASSINFO(wxDialog) ) || - m_sizerParent->IsKindOf(CLASSINFO(wxFrame)) ) - return; - - int xp, yp; - m_sizerParent->GetPosition(&xp, &yp); - m_sizerParent->TransformSizerToActual(&xp, &yp); - *x += xp; - *y += yp; -} - -void wxWindowBase::SizerSetSize(int x, int y, int w, int h) -{ - int xx = x; - int yy = y; - TransformSizerToActual(&xx, &yy); - SetSize(xx, yy, w, h); -} - -void wxWindowBase::SizerMove(int x, int y) -{ - int xx = x; - int yy = y; - TransformSizerToActual(&xx, &yy); - Move(xx, yy); -} - // Only set the size/position of the constraint (if any) void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h) { @@ -1087,34 +1186,44 @@ void wxWindowBase::GetPositionConstraint(int *x, int *y) const // of control classes. void wxWindowBase::UpdateWindowUI() { - wxWindowID id = GetId(); - if ( id > 0 ) + wxUpdateUIEvent event(GetId()); + event.m_eventObject = this; + + if ( GetEventHandler()->ProcessEvent(event) ) { - wxUpdateUIEvent event(id); - event.m_eventObject = this; + if ( event.GetSetEnabled() ) + Enable(event.GetEnabled()); - if ( GetEventHandler()->ProcessEvent(event) ) + if ( event.GetSetText() ) { - if ( event.GetSetEnabled() ) - Enable(event.GetEnabled()); - - if ( event.GetSetText() && IsKindOf(CLASSINFO(wxControl)) ) - ((wxControl*)this)->SetLabel(event.GetText()); - - if ( IsKindOf(CLASSINFO(wxCheckBox)) ) - { - if ( event.GetSetChecked() ) - ((wxCheckBox *)this)->SetValue(event.GetChecked()); - } - // TODO No radio buttons in wxGTK yet -#ifndef __WXGTK__ - else if ( IsKindOf(CLASSINFO(wxRadioButton)) ) + wxControl *control = wxDynamicCast(this, wxControl); + if ( control ) { - if ( event.GetSetChecked() ) - ((wxRadioButton *) this)->SetValue(event.GetChecked()); + wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl); + if ( text ) + text->SetValue(event.GetText()); + else + control->SetLabel(event.GetText()); } -#endif // !wxGTK } + +#if wxUSE_CHECKBOX + wxCheckBox *checkbox = wxDynamicCast(this, wxCheckBox); + if ( checkbox ) + { + if ( event.GetSetChecked() ) + checkbox->SetValue(event.GetChecked()); + } +#endif // wxUSE_CHECKBOX + +#if wxUSE_RADIOBUTTON + wxRadioButton *radiobtn = wxDynamicCast(this, wxRadioButton); + if ( radiobtn ) + { + if ( event.GetSetChecked() ) + radiobtn->SetValue(event.GetChecked()); + } +#endif // wxUSE_RADIOBUTTON } } @@ -1126,9 +1235,11 @@ wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2; - pt2.x = (int) ((pt.x * 4) / charWidth) ; - pt2.y = (int) ((pt.y * 8) / charHeight) ; + wxPoint pt2(-1, -1); + if (pt.x != -1) + pt2.x = (int) ((pt.x * 4) / charWidth) ; + if (pt.y != -1) + pt2.y = (int) ((pt.y * 8) / charHeight) ; return pt2; } @@ -1137,13 +1248,56 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) { int charWidth = GetCharWidth(); int charHeight = GetCharHeight(); - wxPoint pt2; - pt2.x = (int) ((pt.x * charWidth) / 4) ; - pt2.y = (int) ((pt.y * charHeight) / 8) ; + wxPoint pt2(-1, -1); + if (pt.x != -1) + pt2.x = (int) ((pt.x * charWidth) / 4) ; + if (pt.y != -1) + pt2.y = (int) ((pt.y * charHeight) / 8) ; return pt2; } +// ---------------------------------------------------------------------------- +// client data +// ---------------------------------------------------------------------------- + +void wxWindowBase::DoSetClientObject( wxClientData *data ) +{ + wxASSERT_MSG( m_clientDataType != ClientData_Void, + wxT("can't have both object and void client data") ); + + if ( m_clientObject ) + delete m_clientObject; + + m_clientObject = data; + m_clientDataType = ClientData_Object; +} + +wxClientData *wxWindowBase::DoGetClientObject() const +{ + wxASSERT_MSG( m_clientDataType == ClientData_Object, + wxT("this window doesn't have object client data") ); + + return m_clientObject; +} + +void wxWindowBase::DoSetClientData( void *data ) +{ + wxASSERT_MSG( m_clientDataType != ClientData_Object, + wxT("can't have both object and void client data") ); + + m_clientData = data; + m_clientDataType = ClientData_Void; +} + +void *wxWindowBase::DoGetClientData() const +{ + wxASSERT_MSG( m_clientDataType == ClientData_Void, + wxT("this window doesn't have void client data") ); + + return m_clientData; +} + // ---------------------------------------------------------------------------- // event handlers // ----------------------------------------------------------------------------