+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+ #include "wx/string.h"
+ #include "wx/log.h"
+ #include "wx/intl.h"
+ #include "wx/frame.h"
+ #include "wx/window.h"
+ #include "wx/control.h"
+ #include "wx/checkbox.h"
+ #include "wx/radiobut.h"
+ #include "wx/statbox.h"
+ #include "wx/textctrl.h"
+ #include "wx/settings.h"
+ #include "wx/dialog.h"
+ #include "wx/msgdlg.h"
+ #include "wx/msgout.h"
+ #include "wx/statusbr.h"
+ #include "wx/toolbar.h"
+ #include "wx/dcclient.h"
+ #include "wx/scrolbar.h"
+ #include "wx/layout.h"
+ #include "wx/sizer.h"
+ #include "wx/menu.h"
+#endif //WX_PRECOMP
+
+#if wxUSE_DRAG_AND_DROP
+ #include "wx/dnd.h"
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_ACCESSIBILITY
+ #include "wx/access.h"
+#endif
+
+#if wxUSE_HELP
+ #include "wx/cshelp.h"
+#endif // wxUSE_HELP
+
+#if wxUSE_TOOLTIPS
+ #include "wx/tooltip.h"
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_CARET
+ #include "wx/caret.h"
+#endif // wxUSE_CARET
+
+#if wxUSE_SYSTEM_OPTIONS
+ #include "wx/sysopt.h"
+#endif
+
+#include "wx/platinfo.h"
+#include "wx/private/window.h"
+
+#ifdef __WINDOWS__
+ #include "wx/msw/wrapwin.h"
+#endif
+
+// Windows List
+WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
+// globals
+#if wxUSE_MENUS
+wxMenu *wxCurrentPopupMenu = NULL;
+#endif // wxUSE_MENUS
+
+extern WXDLLEXPORT_DATA(const char) wxPanelNameStr[] = "panel";
+
+// ----------------------------------------------------------------------------
+// static data
+// ----------------------------------------------------------------------------
+
+
+IMPLEMENT_ABSTRACT_CLASS(wxWindowBase, wxEvtHandler)
+
+// ----------------------------------------------------------------------------
+// event table
+// ----------------------------------------------------------------------------
+
+BEGIN_EVENT_TABLE(wxWindowBase, wxEvtHandler)
+ EVT_SYS_COLOUR_CHANGED(wxWindowBase::OnSysColourChanged)
+ EVT_INIT_DIALOG(wxWindowBase::OnInitDialog)
+ EVT_MIDDLE_DOWN(wxWindowBase::OnMiddleClick)
+
+#if wxUSE_HELP
+ EVT_HELP(wxID_ANY, wxWindowBase::OnHelp)
+#endif // wxUSE_HELP
+
+ EVT_SIZE(wxWindowBase::InternalOnSize)
+END_EVENT_TABLE()
+
+// ============================================================================
+// implementation of the common functionality of the wxWindow class
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// XTI
+// ----------------------------------------------------------------------------
+
+#if wxUSE_EXTENDED_RTTI
+
+// windows that are created from a parent window during its Create method,
+// eg. spin controls in a calendar controls must never been streamed out
+// separately otherwise chaos occurs. Right now easiest is to test for negative ids,
+// as windows with negative ids never can be recreated anyway
+
+
+bool wxWindowStreamingCallback( const wxObject *object, wxObjectWriter *,
+ wxObjectWriterCallback *, const wxStringToAnyHashMap & )
+{
+ const wxWindow * win = wx_dynamic_cast(const wxWindow*, object);
+ if ( win && win->GetId() < 0 )
+ return false;
+ return true;
+}
+
+wxIMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK(wxWindow, wxWindowBase, "wx/window.h", \
+ wxWindowStreamingCallback)
+
+// make wxWindowList known before the property is used
+
+wxCOLLECTION_TYPE_INFO( wxWindow*, wxWindowList );
+
+template<> void wxCollectionToVariantArray( wxWindowList const &theList,
+ wxAnyList &value)
+{
+ wxListCollectionToAnyList<wxWindowList::compatibility_iterator>( theList, value );
+}
+
+wxDEFINE_FLAGS( wxWindowStyle )
+
+wxBEGIN_FLAGS( wxWindowStyle )
+// new style border flags, we put them first to
+// use them for streaming out
+
+wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+wxFLAGS_MEMBER(wxBORDER_RAISED)
+wxFLAGS_MEMBER(wxBORDER_STATIC)
+wxFLAGS_MEMBER(wxBORDER_NONE)
+
+// old style border flags
+wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+wxFLAGS_MEMBER(wxRAISED_BORDER)
+wxFLAGS_MEMBER(wxSTATIC_BORDER)
+wxFLAGS_MEMBER(wxBORDER)
+
+// standard window styles
+wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+wxFLAGS_MEMBER(wxWANTS_CHARS)
+wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+wxFLAGS_MEMBER(wxVSCROLL)
+wxFLAGS_MEMBER(wxHSCROLL)
+
+wxEND_FLAGS( wxWindowStyle )
+
+wxBEGIN_PROPERTIES_TABLE(wxWindow)
+wxEVENT_PROPERTY( Close, wxEVT_CLOSE_WINDOW, wxCloseEvent)
+wxEVENT_PROPERTY( Create, wxEVT_CREATE, wxWindowCreateEvent )
+wxEVENT_PROPERTY( Destroy, wxEVT_DESTROY, wxWindowDestroyEvent )
+// Always constructor Properties first
+
+wxREADONLY_PROPERTY( Parent,wxWindow*, GetParent, wxEMPTY_PARAMETER_VALUE, \
+ 0 /*flags*/, wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Id,wxWindowID, SetId, GetId, -1 /*wxID_ANY*/, 0 /*flags*/, \
+ wxT("Helpstring"), wxT("group") )
+wxPROPERTY( Position,wxPoint, SetPosition, GetPosition, wxDefaultPosition, \
+ 0 /*flags*/, wxT("Helpstring"), wxT("group")) // pos
+wxPROPERTY( Size,wxSize, SetSize, GetSize, wxDefaultSize, 0 /*flags*/, \
+ wxT("Helpstring"), wxT("group")) // size
+wxPROPERTY( WindowStyle, long, SetWindowStyleFlag, GetWindowStyleFlag, \
+ wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, wxT("Helpstring"), wxT("group")) // style
+wxPROPERTY( Name,wxString, SetName, GetName, wxEmptyString, 0 /*flags*/, \
+ wxT("Helpstring"), wxT("group") )
+
+// Then all relations of the object graph
+
+wxREADONLY_PROPERTY_COLLECTION( Children, wxWindowList, wxWindowBase*, \
+ GetWindowChildren, wxPROP_OBJECT_GRAPH /*flags*/, \
+ wxT("Helpstring"), wxT("group"))
+
+// and finally all other properties
+
+wxPROPERTY( ExtraStyle, long, SetExtraStyle, GetExtraStyle, wxEMPTY_PARAMETER_VALUE, \
+ 0 /*flags*/, wxT("Helpstring"), wxT("group")) // extstyle
+wxPROPERTY( BackgroundColour, wxColour, SetBackgroundColour, GetBackgroundColour, \
+ wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, wxT("Helpstring"), wxT("group")) // bg
+wxPROPERTY( ForegroundColour, wxColour, SetForegroundColour, GetForegroundColour, \
+ wxEMPTY_PARAMETER_VALUE, 0 /*flags*/, wxT("Helpstring"), wxT("group")) // fg
+wxPROPERTY( Enabled, bool, Enable, IsEnabled, wxAny((bool)true), 0 /*flags*/, \
+ wxT("Helpstring"), wxT("group"))
+wxPROPERTY( Shown, bool, Show, IsShown, wxAny((bool)true), 0 /*flags*/, \
+ wxT("Helpstring"), wxT("group"))
+
+#if 0
+// possible property candidates (not in xrc) or not valid in all subclasses
+wxPROPERTY( Title,wxString, SetTitle, GetTitle, wxEmptyString )
+wxPROPERTY( Font, wxFont, SetFont, GetWindowFont , )
+wxPROPERTY( Label,wxString, SetLabel, GetLabel, wxEmptyString )
+// MaxHeight, Width, MinHeight, Width
+// TODO switch label to control and title to toplevels
+
+wxPROPERTY( ThemeEnabled, bool, SetThemeEnabled, GetThemeEnabled, )
+//wxPROPERTY( Cursor, wxCursor, SetCursor, GetCursor, )
+// wxPROPERTY( ToolTip, wxString, SetToolTip, GetToolTipText, )
+wxPROPERTY( AutoLayout, bool, SetAutoLayout, GetAutoLayout, )
+#endif
+wxEND_PROPERTIES_TABLE()
+
+wxEMPTY_HANDLERS_TABLE(wxWindow)
+
+wxCONSTRUCTOR_DUMMY(wxWindow)
+
+#else
+
+#ifndef __WXUNIVERSAL__
+IMPLEMENT_DYNAMIC_CLASS(wxWindow, wxWindowBase)
+#endif
+
+#endif
+
+// ----------------------------------------------------------------------------
+// initialization
+// ----------------------------------------------------------------------------
+
+// the default initialization
+wxWindowBase::wxWindowBase()
+{
+ // no window yet, no parent nor children
+ m_parent = NULL;
+ m_windowId = wxID_ANY;
+
+ // no constraints on the minimal window size
+ m_minWidth =
+ m_maxWidth = wxDefaultCoord;
+ m_minHeight =
+ m_maxHeight = wxDefaultCoord;
+
+ // invalidiated cache value
+ m_bestSizeCache = wxDefaultSize;
+
+ // window are created enabled and visible by default
+ m_isShown =
+ m_isEnabled = true;
+
+ // the default event handler is just this window
+ m_eventHandler = this;
+
+#if wxUSE_VALIDATORS
+ // no validator
+ m_windowValidator = NULL;
+#endif // wxUSE_VALIDATORS
+
+ // the colours/fonts are default for now, so leave m_font,
+ // m_backgroundColour and m_foregroundColour uninitialized and set those
+ m_hasBgCol =
+ m_hasFgCol =
+ m_hasFont = false;
+ m_inheritBgCol =
+ m_inheritFgCol =
+ m_inheritFont = false;
+
+ // no style bits
+ m_exStyle =
+ m_windowStyle = 0;
+
+ m_backgroundStyle = wxBG_STYLE_ERASE;
+
+#if wxUSE_CONSTRAINTS
+ // no constraints whatsoever
+ m_constraints = NULL;
+ m_constraintsInvolvedIn = NULL;
+#endif // wxUSE_CONSTRAINTS
+
+ m_windowSizer = NULL;
+ m_containingSizer = NULL;
+ m_autoLayout = false;
+
+#if wxUSE_DRAG_AND_DROP
+ m_dropTarget = NULL;
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_TOOLTIPS
+ m_tooltip = NULL;
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_CARET
+ m_caret = NULL;
+#endif // wxUSE_CARET
+
+#if wxUSE_PALETTE
+ m_hasCustomPalette = false;
+#endif // wxUSE_PALETTE
+
+#if wxUSE_ACCESSIBILITY
+ m_accessible = NULL;
+#endif
+
+ m_virtualSize = wxDefaultSize;
+
+ m_scrollHelper = NULL;
+
+ m_windowVariant = wxWINDOW_VARIANT_NORMAL;
+#if wxUSE_SYSTEM_OPTIONS
+ if ( wxSystemOptions::HasOption(wxWINDOW_DEFAULT_VARIANT) )
+ {
+ m_windowVariant = (wxWindowVariant) wxSystemOptions::GetOptionInt( wxWINDOW_DEFAULT_VARIANT ) ;
+ }
+#endif
+
+ // Whether we're using the current theme for this window (wxGTK only for now)
+ m_themeEnabled = false;
+
+ // This is set to true by SendDestroyEvent() which should be called by the
+ // most derived class to ensure that the destruction event is sent as soon
+ // as possible to allow its handlers to still see the undestroyed window
+ m_isBeingDeleted = false;
+
+ m_freezeCount = 0;
+}
+
+// common part of window creation process
+bool wxWindowBase::CreateBase(wxWindowBase *parent,
+ wxWindowID id,
+ const wxPoint& WXUNUSED(pos),
+ const wxSize& size,
+ long style,
+ const wxString& name)
+{
+ // ids are limited to 16 bits under MSW so if you care about portability,
+ // it's not a good idea to use ids out of this range (and negative ids are
+ // reserved for wxWidgets own usage)
+ wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767) ||
+ (id >= wxID_AUTO_LOWEST && id <= wxID_AUTO_HIGHEST),
+ wxT("invalid id value") );
+
+ // generate a new id if the user doesn't care about it
+ if ( id == wxID_ANY )
+ {
+ m_windowId = NewControlId();
+ }
+ else // valid id specified
+ {
+ m_windowId = id;
+ }
+
+ // don't use SetWindowStyleFlag() here, this function should only be called
+ // to change the flag after creation as it tries to reflect the changes in
+ // flags by updating the window dynamically and we don't need this here
+ m_windowStyle = style;
+
+ // assume the user doesn't want this window to shrink beneath its initial
+ // size, this worked like this in wxWidgets 2.8 and before and generally
+ // often makes sense for child windows (for top level ones it definitely
+ // does not as the user should be able to resize the window)
+ //
+ // note that we can't use IsTopLevel() from ctor
+ if ( size != wxDefaultSize && !wxTopLevelWindows.Find((wxWindow *)this) )
+ SetMinSize(size);
+
+ SetName(name);
+ SetParent(parent);
+
+ return true;
+}
+
+bool wxWindowBase::CreateBase(wxWindowBase *parent,
+ wxWindowID id,
+ const wxPoint& pos,
+ const wxSize& size,
+ long style,
+ const wxValidator& wxVALIDATOR_PARAM(validator),
+ const wxString& name)
+{
+ if ( !CreateBase(parent, id, pos, size, style, name) )
+ return false;
+
+#if wxUSE_VALIDATORS
+ SetValidator(validator);
+#endif // wxUSE_VALIDATORS
+
+ // if the parent window has wxWS_EX_VALIDATE_RECURSIVELY set, we want to
+ // have it too - like this it's possible to set it only in the top level
+ // dialog/frame and all children will inherit it by defult
+ if ( parent && (parent->GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) )
+ {
+ SetExtraStyle(GetExtraStyle() | wxWS_EX_VALIDATE_RECURSIVELY);
+ }
+
+ return true;
+}
+
+bool wxWindowBase::ToggleWindowStyle(int flag)
+{
+ wxASSERT_MSG( flag, wxT("flags with 0 value can't be toggled") );
+
+ bool rc;
+ long style = GetWindowStyleFlag();
+ if ( style & flag )
+ {
+ style &= ~flag;
+ rc = false;
+ }
+ else // currently off
+ {
+ style |= flag;
+ rc = true;
+ }
+
+ SetWindowStyleFlag(style);
+
+ return rc;
+}
+
+// ----------------------------------------------------------------------------
+// destruction
+// ----------------------------------------------------------------------------
+
+// common clean up
+wxWindowBase::~wxWindowBase()
+{
+ wxASSERT_MSG( GetCapture() != this, wxT("attempt to destroy window with mouse capture") );
+
+ // FIXME if these 2 cases result from programming errors in the user code
+ // we should probably assert here instead of silently fixing them
+
+ // Just in case the window has been Closed, but we're then deleting
+ // immediately: don't leave dangling pointers.
+ wxPendingDelete.DeleteObject(this);
+
+ // Just in case we've loaded a top-level window via LoadNativeDialog but
+ // we weren't a dialog class
+ wxTopLevelWindows.DeleteObject((wxWindow*)this);
+
+ // Any additional event handlers should be popped before the window is
+ // deleted as otherwise the last handler will be left with a dangling
+ // pointer to this window result in a difficult to diagnose crash later on.
+ wxASSERT_MSG( GetEventHandler() == this,
+ wxT("any pushed event handlers must have been removed") );
+
+#if wxUSE_MENUS
+ // The associated popup menu can still be alive, disassociate from it in
+ // this case
+ if ( wxCurrentPopupMenu && wxCurrentPopupMenu->GetInvokingWindow() == this )
+ wxCurrentPopupMenu->SetInvokingWindow(NULL);
+#endif // wxUSE_MENUS
+
+ wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
+
+ // notify the parent about this window destruction
+ if ( m_parent )
+ m_parent->RemoveChild(this);
+
+#if wxUSE_CARET
+ delete m_caret;
+#endif // wxUSE_CARET
+
+#if wxUSE_VALIDATORS
+ delete m_windowValidator;
+#endif // wxUSE_VALIDATORS
+
+#if wxUSE_CONSTRAINTS
+ // Have to delete constraints/sizer FIRST otherwise sizers may try to look
+ // at deleted windows as they delete themselves.
+ DeleteRelatedConstraints();
+
+ if ( m_constraints )
+ {
+ // This removes any dangling pointers to this window in other windows'
+ // constraintsInvolvedIn lists.
+ UnsetConstraints(m_constraints);
+ wxDELETE(m_constraints);
+ }
+#endif // wxUSE_CONSTRAINTS
+
+ if ( m_containingSizer )
+ m_containingSizer->Detach( (wxWindow*)this );
+
+ delete m_windowSizer;
+
+#if wxUSE_DRAG_AND_DROP
+ delete m_dropTarget;
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_TOOLTIPS
+ delete m_tooltip;
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_ACCESSIBILITY
+ delete m_accessible;
+#endif
+
+#if wxUSE_HELP
+ // NB: this has to be called unconditionally, because we don't know
+ // whether this window has associated help text or not
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ helpProvider->RemoveHelp(this);
+#endif
+}
+
+bool wxWindowBase::IsBeingDeleted() const
+{
+ return m_isBeingDeleted ||
+ (!IsTopLevel() && m_parent && m_parent->IsBeingDeleted());
+}
+
+void wxWindowBase::SendDestroyEvent()
+{
+ if ( m_isBeingDeleted )
+ {
+ // we could have been already called from a more derived class dtor,
+ // e.g. ~wxTLW calls us and so does ~wxWindow and the latter call
+ // should be simply ignored
+ return;
+ }
+
+ m_isBeingDeleted = true;
+
+ wxWindowDestroyEvent event;
+ event.SetEventObject(this);
+ event.SetId(GetId());
+ GetEventHandler()->ProcessEvent(event);
+}
+
+bool wxWindowBase::Destroy()
+{
+ // If our handle is invalid, it means that this window has never been
+ // created, either because creating it failed or, more typically, because
+ // this wxWindow object was default-constructed and its Create() method had
+ // never been called. As we didn't send wxWindowCreateEvent in this case
+ // (which is sent after successful creation), don't send the matching
+ // wxWindowDestroyEvent neither.
+ if ( GetHandle() )
+ SendDestroyEvent();
+
+ delete this;
+
+ return true;
+}
+
+bool wxWindowBase::Close(bool force)
+{
+ wxCloseEvent event(wxEVT_CLOSE_WINDOW, m_windowId);
+ event.SetEventObject(this);
+ event.SetCanVeto(!force);
+
+ // return false if window wasn't closed because the application vetoed the
+ // close event
+ return HandleWindowEvent(event) && !event.GetVeto();
+}
+
+bool wxWindowBase::DestroyChildren()
+{
+ wxWindowList::compatibility_iterator node;
+ for ( ;; )
+ {
+ // we iterate until the list becomes empty
+ node = GetChildren().GetFirst();
+ if ( !node )
+ break;
+
+ wxWindow *child = node->GetData();
+
+ // note that we really want to delete it immediately so don't call the
+ // possible overridden Destroy() version which might not delete the
+ // child immediately resulting in problems with our (top level) child
+ // outliving its parent
+ child->wxWindowBase::Destroy();
+
+ wxASSERT_MSG( !GetChildren().Find(child),
+ wxT("child didn't remove itself using RemoveChild()") );
+ }
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// size/position related methods
+// ----------------------------------------------------------------------------
+
+// centre the window with respect to its parent in either (or both) directions
+void wxWindowBase::DoCentre(int dir)
+{
+ wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
+ wxT("this method only implements centering child windows") );
+
+ SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
+}
+
+// fits the window around the children
+void wxWindowBase::Fit()
+{
+ SetSize(GetBestSize());
+}
+
+// fits virtual size (ie. scrolled area etc.) around children
+void wxWindowBase::FitInside()
+{
+ SetVirtualSize( GetBestVirtualSize() );
+}
+
+// On Mac, scrollbars are explicitly children.
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__)
+static bool wxHasRealChildren(const wxWindowBase* win)
+{
+ int realChildCount = 0;
+
+ for ( wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() && win->IsShown()
+#if wxUSE_SCROLLBAR
+ && !wxDynamicCast(win, wxScrollBar)
+#endif
+ )
+ realChildCount ++;
+ }
+ return (realChildCount > 0);
+}
+#endif
+
+void wxWindowBase::InvalidateBestSize()
+{
+ m_bestSizeCache = wxDefaultSize;
+
+ // parent's best size calculation may depend on its children's
+ // as long as child window we are in is not top level window itself
+ // (because the TLW size is never resized automatically)
+ // so let's invalidate it as well to be safe:
+ if (m_parent && !IsTopLevel())
+ m_parent->InvalidateBestSize();
+}
+
+// return the size best suited for the current window
+wxSize wxWindowBase::DoGetBestSize() const
+{
+ wxSize best;
+
+ if ( m_windowSizer )
+ {
+ best = m_windowSizer->GetMinSize();
+ }
+#if wxUSE_CONSTRAINTS
+ else if ( m_constraints )
+ {
+ wxConstCast(this, wxWindowBase)->SatisfyConstraints();
+
+ // our minimal acceptable size is such that all our windows fit inside
+ int maxX = 0,
+ maxY = 0;
+
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxLayoutConstraints *c = node->GetData()->GetConstraints();
+ if ( !c )
+ {
+ // it's not normal that we have an unconstrained child, but
+ // what can we do about it?
+ continue;
+ }
+
+ int x = c->right.GetValue(),
+ y = c->bottom.GetValue();
+
+ if ( x > maxX )
+ maxX = x;
+
+ if ( y > maxY )
+ maxY = y;
+
+ // TODO: we must calculate the overlaps somehow, otherwise we
+ // will never return a size bigger than the current one :-(
+ }
+
+ best = wxSize(maxX, maxY);
+ }
+#endif // wxUSE_CONSTRAINTS
+ else if ( !GetChildren().empty()
+#if defined( __WXMAC__ ) && !defined(__WXUNIVERSAL__)
+ && wxHasRealChildren(this)
+#endif
+ )
+ {
+ // our minimal acceptable size is such that all our visible child
+ // windows fit inside
+ int maxX = 0,
+ maxY = 0;
+
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *win = node->GetData();
+ if ( win->IsTopLevel()
+ || !win->IsShown()
+#if wxUSE_STATUSBAR
+ || wxDynamicCast(win, wxStatusBar)
+#endif // wxUSE_STATUSBAR
+ )
+ {
+ // dialogs and frames lie in different top level windows -
+ // don't deal with them here; as for the status bars, they
+ // don't lie in the client area at all
+ continue;
+ }
+
+ int wx, wy, ww, wh;
+ win->GetPosition(&wx, &wy);
+
+ // if the window hadn't been positioned yet, assume that it is in
+ // the origin
+ if ( wx == wxDefaultCoord )
+ wx = 0;
+ if ( wy == wxDefaultCoord )
+ wy = 0;
+
+ win->GetSize(&ww, &wh);
+ if ( wx + ww > maxX )
+ maxX = wx + ww;
+ if ( wy + wh > maxY )
+ maxY = wy + wh;
+ }
+
+ best = wxSize(maxX, maxY);
+ }
+ else // ! has children
+ {
+ wxSize size = GetMinSize();
+ if ( !size.IsFullySpecified() )
+ {
+ // if the window doesn't define its best size we assume that it can
+ // be arbitrarily small -- usually this is not the case, of course,
+ // but we have no way to know what the limit is, it should really
+ // override DoGetBestClientSize() itself to tell us
+ size.SetDefaults(wxSize(1, 1));
+ }
+
+ // 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;
+}
+
+// helper of GetWindowBorderSize(): as many ports don't implement support for
+// wxSYS_BORDER/EDGE_X/Y metrics in their wxSystemSettings, use hard coded
+// fallbacks in this case
+static int wxGetMetricOrDefault(wxSystemMetric what, const wxWindowBase* win)
+{
+ int rc = wxSystemSettings::GetMetric(
+ what, static_cast<wxWindow*>(const_cast<wxWindowBase*>(win)));
+ if ( rc == -1 )
+ {
+ switch ( what )
+ {
+ case wxSYS_BORDER_X:
+ case wxSYS_BORDER_Y:
+ // 2D border is by default 1 pixel wide
+ rc = 1;
+ break;
+
+ case wxSYS_EDGE_X:
+ case wxSYS_EDGE_Y:
+ // 3D borders are by default 2 pixels
+ rc = 2;
+ break;
+
+ default:
+ wxFAIL_MSG( wxT("unexpected wxGetMetricOrDefault() argument") );
+ rc = 0;
+ }
+ }
+
+ return rc;
+}
+
+wxSize wxWindowBase::GetWindowBorderSize() const
+{
+ wxSize size;
+
+ switch ( GetBorder() )
+ {
+ case wxBORDER_NONE:
+ // nothing to do, size is already (0, 0)
+ break;
+
+ case wxBORDER_SIMPLE:
+ case wxBORDER_STATIC:
+ size.x = wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+ size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
+ break;
+
+ case wxBORDER_SUNKEN:
+ case wxBORDER_RAISED:
+ size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X, this),
+ wxGetMetricOrDefault(wxSYS_BORDER_X, this));
+ size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y, this),
+ wxGetMetricOrDefault(wxSYS_BORDER_Y, this));
+ break;
+
+ case wxBORDER_DOUBLE:
+ size.x = wxGetMetricOrDefault(wxSYS_EDGE_X, this) +
+ wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+ size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y, this) +
+ wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
+ break;
+
+ default:
+ wxFAIL_MSG(wxT("Unknown border style."));
+ break;
+ }
+
+ // we have borders on both sides
+ return size*2;
+}
+
+bool
+wxWindowBase::InformFirstDirection(int direction,
+ int size,
+ int availableOtherDir)
+{
+ return GetSizer() && GetSizer()->InformFirstDirection(direction,
+ size,
+ availableOtherDir);
+}
+
+wxSize wxWindowBase::GetEffectiveMinSize() const
+{
+ // merge the best size with the min size, giving priority to the min size
+ wxSize min = GetMinSize();
+
+ if (min.x == wxDefaultCoord || min.y == wxDefaultCoord)
+ {
+ wxSize best = GetBestSize();
+ if (min.x == wxDefaultCoord) min.x = best.x;
+ if (min.y == wxDefaultCoord) min.y = best.y;
+ }
+
+ return min;
+}
+
+wxSize wxWindowBase::DoGetBorderSize() const
+{
+ // there is one case in which we can implement it for all ports easily
+ if ( GetBorder() == wxBORDER_NONE )
+ return wxSize(0, 0);
+
+ // otherwise use the difference between the real size and the client size
+ // as a fallback: notice that this is incorrect in general as client size
+ // also doesn't take the scrollbars into account
+ return GetSize() - GetClientSize();
+}
+
+wxSize wxWindowBase::GetBestSize() const
+{
+ if ( !m_windowSizer && m_bestSizeCache.IsFullySpecified() )
+ return m_bestSizeCache;
+
+ // call DoGetBestClientSize() first, if a derived class overrides it wants
+ // it to be used
+ wxSize size = DoGetBestClientSize();
+ if ( size != wxDefaultSize )
+ size += DoGetBorderSize();
+ else
+ size = DoGetBestSize();
+
+ // Ensure that the best size is at least as large as min size.
+ size.IncTo(GetMinSize());
+
+ // And not larger than max size.
+ size.DecToIfSpecified(GetMaxSize());
+
+ // Finally cache result and return.
+ CacheBestSize(size);
+ return size;
+}
+
+int wxWindowBase::GetBestHeight(int width) const
+{
+ const int height = DoGetBestClientHeight(width);
+
+ return height == wxDefaultCoord
+ ? GetBestSize().y
+ : height + DoGetBorderSize().y;
+}
+
+int wxWindowBase::GetBestWidth(int height) const
+{
+ const int width = DoGetBestClientWidth(height);
+
+ return width == wxDefaultCoord
+ ? GetBestSize().x
+ : width + DoGetBorderSize().x;
+}
+
+void wxWindowBase::SetMinSize(const wxSize& minSize)
+{
+ m_minWidth = minSize.x;
+ m_minHeight = minSize.y;
+
+ InvalidateBestSize();
+}
+
+void wxWindowBase::SetMaxSize(const wxSize& maxSize)
+{
+ m_maxWidth = maxSize.x;
+ m_maxHeight = maxSize.y;
+
+ InvalidateBestSize();
+}
+
+void wxWindowBase::SetInitialSize(const wxSize& size)
+{
+ // Set the min size to the size passed in. This will usually either be
+ // wxDefaultSize or the size passed to this window's ctor/Create function.
+ SetMinSize(size);
+
+ // Merge the size with the best size if needed
+ wxSize best = GetEffectiveMinSize();
+
+ // If the current size doesn't match then change it
+ if (GetSize() != best)
+ SetSize(best);
+}
+
+
+// by default the origin is not shifted
+wxPoint wxWindowBase::GetClientAreaOrigin() const
+{
+ return wxPoint(0,0);
+}
+
+wxSize wxWindowBase::ClientToWindowSize(const wxSize& size) const
+{
+ const wxSize diff(GetSize() - GetClientSize());
+
+ return wxSize(size.x == -1 ? -1 : size.x + diff.x,
+ size.y == -1 ? -1 : size.y + diff.y);
+}
+
+wxSize wxWindowBase::WindowToClientSize(const wxSize& size) const
+{
+ const wxSize diff(GetSize() - GetClientSize());
+
+ return wxSize(size.x == -1 ? -1 : size.x - diff.x,
+ size.y == -1 ? -1 : size.y - diff.y);
+}
+
+void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
+{
+ if ( m_windowVariant != variant )
+ {
+ m_windowVariant = variant;
+
+ DoSetWindowVariant(variant);
+ }
+}
+
+void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
+{
+ // adjust the font height to correspond to our new variant (notice that
+ // we're only called if something really changed)
+ wxFont font = GetFont();
+ int size = font.GetPointSize();
+ switch ( variant )
+ {
+ case wxWINDOW_VARIANT_NORMAL:
+ break;
+
+ case wxWINDOW_VARIANT_SMALL:
+ size = wxRound(size * 3.0 / 4.0);
+ break;
+
+ case wxWINDOW_VARIANT_MINI:
+ size = wxRound(size * 2.0 / 3.0);
+ break;
+
+ case wxWINDOW_VARIANT_LARGE:
+ size = wxRound(size * 5.0 / 4.0);
+ break;
+
+ default:
+ wxFAIL_MSG(wxT("unexpected window variant"));
+ break;
+ }
+
+ font.SetPointSize(size);
+ SetFont(font);
+}
+
+void wxWindowBase::DoSetSizeHints( int minW, int minH,
+ int maxW, int maxH,
+ int WXUNUSED(incW), int WXUNUSED(incH) )
+{
+ wxCHECK_RET( (minW == wxDefaultCoord || maxW == wxDefaultCoord || minW <= maxW) &&
+ (minH == wxDefaultCoord || maxH == wxDefaultCoord || minH <= maxH),
+ wxT("min width/height must be less than max width/height!") );
+
+ m_minWidth = minW;
+ m_maxWidth = maxW;
+ m_minHeight = minH;
+ m_maxHeight = maxH;
+}
+
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::SetVirtualSizeHints(int WXUNUSED(minW), int WXUNUSED(minH),
+ int WXUNUSED(maxW), int WXUNUSED(maxH))
+{
+}
+
+void wxWindowBase::SetVirtualSizeHints(const wxSize& WXUNUSED(minsize),
+ const wxSize& WXUNUSED(maxsize))
+{
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
+ m_virtualSize = wxSize(x, y);
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+ // 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 size;
+}
+
+void wxWindowBase::DoGetScreenPosition(int *x, int *y) const
+{
+ // screen position is the same as (0, 0) in client coords for non TLWs (and
+ // TLWs override this method)
+ if ( x )
+ *x = 0;
+ if ( y )
+ *y = 0;
+
+ ClientToScreen(x, y);
+}
+
+void wxWindowBase::SendSizeEvent(int flags)
+{
+ wxSizeEvent event(GetSize(), GetId());
+ event.SetEventObject(this);
+ if ( flags & wxSEND_EVENT_POST )
+ wxPostEvent(GetEventHandler(), event);
+ else
+ HandleWindowEvent(event);
+}
+
+void wxWindowBase::SendSizeEventToParent(int flags)
+{
+ wxWindow * const parent = GetParent();
+ if ( parent && !parent->IsBeingDeleted() )
+ parent->SendSizeEvent(flags);
+}
+
+bool wxWindowBase::HasScrollbar(int orient) const
+{
+ // if scrolling in the given direction is disabled, we can't have the
+ // corresponding scrollbar no matter what
+ if ( !CanScroll(orient) )
+ return false;
+
+ const wxSize sizeVirt = GetVirtualSize();
+ const wxSize sizeClient = GetClientSize();
+
+ return orient == wxHORIZONTAL ? sizeVirt.x > sizeClient.x
+ : sizeVirt.y > sizeClient.y;
+}
+
+// ----------------------------------------------------------------------------
+// show/hide/enable/disable the window
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::Show(bool show)
+{
+ if ( show != m_isShown )
+ {
+ m_isShown = show;
+
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+bool wxWindowBase::IsEnabled() const
+{
+ return IsThisEnabled() && (IsTopLevel() || !GetParent() || GetParent()->IsEnabled());
+}
+
+void wxWindowBase::NotifyWindowOnEnableChange(bool enabled)
+{
+ // Under some platforms there is no need to update the window state
+ // explicitly, it will become disabled when its parent is. On other ones we
+ // do need to disable all windows recursively though.
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ OnEnabled(enabled);
+
+ // Disabling a top level window is typically done when showing a modal
+ // dialog and we don't need to disable its children in this case, they will
+ // be logically disabled anyhow (i.e. their IsEnabled() will return false)
+ // and the TLW won't accept any input for them. Moreover, explicitly
+ // disabling them would look ugly as the entire TLW would be greyed out
+ // whenever a modal dialog is shown and no native applications under any
+ // platform behave like this.
+ if ( IsTopLevel() && !enabled )
+ return;
+
+ // When disabling (or enabling back) a non-TLW window we need to
+ // recursively propagate the change of the state to its children, otherwise
+ // they would still show as enabled even though they wouldn't actually
+ // accept any input (at least under MSW where children don't accept input
+ // if any of the windows in their parent chain is enabled).
+ //
+ // Notice that we must do this even for wxHAS_NATIVE_ENABLED_MANAGEMENT
+ // platforms as we still need to call the children OnEnabled() recursively.
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindowBase * const child = node->GetData();
+ if ( !child->IsTopLevel() && child->IsThisEnabled() )
+ child->NotifyWindowOnEnableChange(enabled);
+ }
+}
+
+bool wxWindowBase::Enable(bool enable)
+{
+ if ( enable == IsThisEnabled() )
+ return false;
+
+ m_isEnabled = enable;
+
+ // If we call DoEnable() from NotifyWindowOnEnableChange(), we don't need
+ // to do it from here.
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enable);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ NotifyWindowOnEnableChange(enable);
+
+ return true;
+}
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+ // A window is shown on screen if it itself is shown and so are all its
+ // parents. But if a window is toplevel one, then its always visible on
+ // screen if IsShown() returns true, even if it has a hidden parent.
+ return IsShown() &&
+ (IsTopLevel() || GetParent() == NULL || GetParent()->IsShownOnScreen());
+}
+
+// ----------------------------------------------------------------------------
+// RTTI
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::IsTopLevel() const
+{
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// Freeze/Thaw
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::Freeze()
+{
+ if ( !m_freezeCount++ )
+ {
+ // physically freeze this window:
+ DoFreeze();
+
+ // and recursively freeze all children:
+ for ( wxWindowList::iterator i = GetChildren().begin();
+ i != GetChildren().end(); ++i )
+ {
+ wxWindow *child = *i;
+ if ( child->IsTopLevel() )
+ continue;
+
+ child->Freeze();
+ }
+ }
+}
+
+void wxWindowBase::Thaw()
+{
+ wxASSERT_MSG( m_freezeCount, "Thaw() without matching Freeze()" );
+
+ if ( !--m_freezeCount )
+ {
+ // recursively thaw all children:
+ for ( wxWindowList::iterator i = GetChildren().begin();
+ i != GetChildren().end(); ++i )
+ {
+ wxWindow *child = *i;
+ if ( child->IsTopLevel() )
+ continue;
+
+ child->Thaw();
+ }
+
+ // physically thaw this window:
+ DoThaw();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// Dealing with parents and children.
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::IsDescendant(wxWindowBase* win) const
+{
+ // Iterate until we find this window in the parent chain or exhaust it.
+ while ( win )
+ {
+ if ( win == this )
+ return true;
+
+ // Stop iterating on reaching the top level window boundary.
+ if ( win->IsTopLevel() )
+ break;
+
+ win = win->GetParent();
+ }
+
+ return false;
+}
+
+void wxWindowBase::AddChild(wxWindowBase *child)
+{
+ wxCHECK_RET( child, wxT("can't add a NULL child") );
+
+ // this should never happen and it will lead to a crash later if it does
+ // because RemoveChild() will remove only one node from the children list
+ // and the other(s) one(s) will be left with dangling pointers in them
+ wxASSERT_MSG( !GetChildren().Find((wxWindow*)child), wxT("AddChild() called twice") );
+
+ GetChildren().Append((wxWindow*)child);
+ child->SetParent(this);
+
+ // adding a child while frozen will assert when thawed, so freeze it as if
+ // it had been already present when we were frozen
+ if ( IsFrozen() && !child->IsTopLevel() )
+ child->Freeze();
+}
+
+void wxWindowBase::RemoveChild(wxWindowBase *child)
+{
+ wxCHECK_RET( child, wxT("can't remove a NULL child") );
+
+ // removing a child while frozen may result in permanently frozen window
+ // if used e.g. from Reparent(), so thaw it
+ //
+ // NB: IsTopLevel() doesn't return true any more when a TLW child is being
+ // removed from its ~wxWindowBase, so check for IsBeingDeleted() too
+ if ( IsFrozen() && !child->IsBeingDeleted() && !child->IsTopLevel() )
+ child->Thaw();
+
+ GetChildren().DeleteObject((wxWindow *)child);
+ child->SetParent(NULL);
+}
+
+void wxWindowBase::SetParent(wxWindowBase *parent)
+{
+ // This assert catches typos which may result in using "this" instead of
+ // "parent" when creating the window. This doesn't happen often but when it
+ // does the results are unpleasant because the program typically just
+ // crashes when due to a stack overflow or something similar and this
+ // assert doesn't cost much (OTOH doing a more general check that the
+ // parent is not one of our children would be more expensive and probably
+ // not worth it).
+ wxASSERT_MSG( parent != this, wxS("Can't use window as its own parent") );
+
+ m_parent = (wxWindow *)parent;
+}
+
+bool wxWindowBase::Reparent(wxWindowBase *newParent)
+{
+ wxWindow *oldParent = GetParent();
+ if ( newParent == oldParent )
+ {
+ // nothing done
+ return false;
+ }
+
+ const bool oldEnabledState = IsEnabled();
+
+ // unlink this window from the existing parent.
+ if ( oldParent )
+ {
+ oldParent->RemoveChild(this);
+ }
+ else
+ {
+ wxTopLevelWindows.DeleteObject((wxWindow *)this);
+ }
+
+ // add it to the new one
+ if ( newParent )
+ {
+ newParent->AddChild(this);
+ }
+ else
+ {
+ wxTopLevelWindows.Append((wxWindow *)this);
+ }
+
+ // We need to notify window (and its subwindows) if by changing the parent
+ // we also change our enabled/disabled status.
+ const bool newEnabledState = IsEnabled();
+ if ( newEnabledState != oldEnabledState )
+ {
+ NotifyWindowOnEnableChange(newEnabledState);
+ }
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// event handler stuff
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::SetEventHandler(wxEvtHandler *handler)
+{
+ wxCHECK_RET(handler != NULL, "SetEventHandler(NULL) called");
+
+ m_eventHandler = handler;
+}
+
+void wxWindowBase::SetNextHandler(wxEvtHandler *WXUNUSED(handler))
+{
+ // disable wxEvtHandler chain mechanism for wxWindows:
+ // wxWindow uses its own stack mechanism which doesn't mix well with wxEvtHandler's one
+
+ wxFAIL_MSG("wxWindow cannot be part of a wxEvtHandler chain");
+}
+void wxWindowBase::SetPreviousHandler(wxEvtHandler *WXUNUSED(handler))
+{
+ // we can't simply wxFAIL here as in SetNextHandler: in fact the last
+ // handler of our stack when is destroyed will be Unlink()ed and thus
+ // will call this function to update the pointer of this window...
+
+ //wxFAIL_MSG("wxWindow cannot be part of a wxEvtHandler chain");
+}
+
+void wxWindowBase::PushEventHandler(wxEvtHandler *handlerToPush)
+{
+ wxCHECK_RET( handlerToPush != NULL, "PushEventHandler(NULL) called" );
+
+ // the new handler is going to be part of the wxWindow stack of event handlers:
+ // it can't be part also of an event handler double-linked chain:
+ wxASSERT_MSG(handlerToPush->IsUnlinked(),
+ "The handler being pushed in the wxWindow stack shouldn't be part of "
+ "a wxEvtHandler chain; call Unlink() on it first");
+
+ wxEvtHandler *handlerOld = GetEventHandler();
+ wxCHECK_RET( handlerOld, "an old event handler is NULL?" );
+
+ // now use wxEvtHandler double-linked list to implement a stack:
+ handlerToPush->SetNextHandler(handlerOld);
+
+ if (handlerOld != this)
+ handlerOld->SetPreviousHandler(handlerToPush);
+
+ SetEventHandler(handlerToPush);
+
+#if wxDEBUG_LEVEL
+ // final checks of the operations done above:
+ wxASSERT_MSG( handlerToPush->GetPreviousHandler() == NULL,
+ "the first handler of the wxWindow stack should "
+ "have no previous handlers set" );
+ wxASSERT_MSG( handlerToPush->GetNextHandler() != NULL,
+ "the first handler of the wxWindow stack should "
+ "have non-NULL next handler" );
+
+ wxEvtHandler* pLast = handlerToPush;
+ while ( pLast && pLast != this )
+ pLast = pLast->GetNextHandler();
+ wxASSERT_MSG( pLast->GetNextHandler() == NULL,
+ "the last handler of the wxWindow stack should "
+ "have this window as next handler" );
+#endif // wxDEBUG_LEVEL
+}
+
+wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
+{
+ // we need to pop the wxWindow stack, i.e. we need to remove the first handler
+
+ wxEvtHandler *firstHandler = GetEventHandler();
+ wxCHECK_MSG( firstHandler != NULL, NULL, "wxWindow cannot have a NULL event handler" );
+ wxCHECK_MSG( firstHandler != this, NULL, "cannot pop the wxWindow itself" );
+ wxCHECK_MSG( firstHandler->GetPreviousHandler() == NULL, NULL,
+ "the first handler of the wxWindow stack should have no previous handlers set" );
+
+ wxEvtHandler *secondHandler = firstHandler->GetNextHandler();
+ wxCHECK_MSG( secondHandler != NULL, NULL,
+ "the first handler of the wxWindow stack should have non-NULL next handler" );
+
+ firstHandler->SetNextHandler(NULL);
+
+ // It is harmless but useless to unset the previous handler of the window
+ // itself as it's always NULL anyhow, so don't do this.
+ if ( secondHandler != this )
+ secondHandler->SetPreviousHandler(NULL);
+
+ // now firstHandler is completely unlinked; set secondHandler as the new window event handler
+ SetEventHandler(secondHandler);
+
+ if ( deleteHandler )
+ {
+ wxDELETE(firstHandler);
+ }
+
+ return firstHandler;
+}
+
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handlerToRemove)
+{
+ wxCHECK_MSG( handlerToRemove != NULL, false, "RemoveEventHandler(NULL) called" );
+ wxCHECK_MSG( handlerToRemove != this, false, "Cannot remove the window itself" );
+
+ if (handlerToRemove == GetEventHandler())
+ {
+ // removing the first event handler is equivalent to "popping" the stack
+ PopEventHandler(false);
+ return true;
+ }
+
+ // NOTE: the wxWindow event handler list is always terminated with "this" handler
+ wxEvtHandler *handlerCur = GetEventHandler()->GetNextHandler();
+ while ( handlerCur != this && handlerCur )
+ {
+ wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
+
+ if ( handlerCur == handlerToRemove )
+ {
+ handlerCur->Unlink();
+
+ wxASSERT_MSG( handlerCur != GetEventHandler(),
+ "the case Remove == Pop should was already handled" );
+ return true;
+ }
+
+ handlerCur = handlerNext;
+ }
+
+ wxFAIL_MSG( wxT("where has the event handler gone?") );
+
+ return false;
+}
+
+bool wxWindowBase::HandleWindowEvent(wxEvent& event) const
+{
+ // SafelyProcessEvent() will handle exceptions nicely
+ return GetEventHandler()->SafelyProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// colours, fonts &c
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::InheritAttributes()
+{
+ const wxWindowBase * const parent = GetParent();
+ if ( !parent )
+ return;
+
+ // we only inherit attributes which had been explicitly set for the parent
+ // which ensures that this only happens if the user really wants it and
+ // not by default which wouldn't make any sense in modern GUIs where the
+ // controls don't all use the same fonts (nor colours)
+ if ( parent->m_inheritFont && !m_hasFont )
+ SetFont(parent->GetFont());
+
+ // in addition, there is a possibility to explicitly forbid inheriting
+ // colours at each class level by overriding ShouldInheritColours()
+ if ( ShouldInheritColours() )
+ {
+ 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
+ }
+}
+
+/* static */ wxVisualAttributes
+wxWindowBase::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
+{
+ // it is important to return valid values for all attributes from here,
+ // GetXXX() below rely on this
+ wxVisualAttributes attrs;
+ attrs.font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+ attrs.colFg = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+
+ // 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;
+}
+
+wxColour wxWindowBase::GetBackgroundColour() const
+{
+ if ( !m_backgroundColour.IsOk() )
+ {
+ wxASSERT_MSG( !m_hasBgCol, wxT("we have invalid explicit bg colour?") );
+
+ // get our default background colour
+ wxColour colBg = GetDefaultAttributes().colBg;
+
+ // we must return some valid colour to avoid redoing this every time
+ // and also to avoid surprising the applications written for older
+ // wxWidgets versions where GetBackgroundColour() always returned
+ // something -- so give them something even if it doesn't make sense
+ // for this window (e.g. it has a themed background)
+ if ( !colBg.IsOk() )
+ colBg = GetClassDefaultAttributes().colBg;
+
+ return colBg;
+ }
+ else
+ return m_backgroundColour;
+}
+
+wxColour wxWindowBase::GetForegroundColour() const
+{
+ // logic is the same as above
+ if ( !m_hasFgCol && !m_foregroundColour.IsOk() )
+ {
+ wxColour colFg = GetDefaultAttributes().colFg;
+
+ if ( !colFg.IsOk() )
+ colFg = GetClassDefaultAttributes().colFg;
+
+ return colFg;
+ }
+ else
+ return m_foregroundColour;
+}
+
+bool wxWindowBase::SetBackgroundStyle(wxBackgroundStyle style)
+{
+ // The checks below shouldn't be triggered if we're not really changing the
+ // style.
+ if ( style == m_backgroundStyle )
+ return true;
+
+ // Transparent background style can be only set before creation because of
+ // wxGTK limitation.
+ wxCHECK_MSG( (style != wxBG_STYLE_TRANSPARENT) || !GetHandle(),
+ false,
+ "wxBG_STYLE_TRANSPARENT style can only be set before "
+ "Create()-ing the window." );
+
+ // And once it is set, wxBG_STYLE_TRANSPARENT can't be unset.
+ wxCHECK_MSG( (m_backgroundStyle != wxBG_STYLE_TRANSPARENT) ||
+ (style == wxBG_STYLE_TRANSPARENT),
+ false,
+ "wxBG_STYLE_TRANSPARENT can't be unset once it was set." );
+
+ m_backgroundStyle = style;
+
+ return true;
+}
+
+bool wxWindowBase::IsTransparentBackgroundSupported(wxString *reason) const
+{
+ if ( reason )
+ *reason = _("This platform does not support background transparency.");
+
+ return false;
+}
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+ if ( colour == m_backgroundColour )
+ return false;
+
+ m_hasBgCol = colour.IsOk();
+
+ m_inheritBgCol = m_hasBgCol;
+ m_backgroundColour = colour;
+ SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.IsOk() );
+ return true;
+}
+
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+ if (colour == m_foregroundColour )
+ return false;
+
+ m_hasFgCol = colour.IsOk();
+ m_inheritFgCol = m_hasFgCol;
+ m_foregroundColour = colour;
+ SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.IsOk() );
+ return true;
+}
+
+bool wxWindowBase::SetCursor(const wxCursor& cursor)
+{
+ // setting an invalid cursor is ok, it means that we don't have any special
+ // cursor
+ if ( m_cursor.IsSameAs(cursor) )
+ {
+ // no change
+ return false;
+ }
+
+ m_cursor = cursor;
+
+ return true;
+}
+
+wxFont wxWindowBase::GetFont() const
+{
+ // logic is the same as in GetBackgroundColour()
+ if ( !m_font.IsOk() )
+ {
+ wxASSERT_MSG( !m_hasFont, wxT("we have invalid explicit font?") );
+
+ wxFont font = GetDefaultAttributes().font;
+ if ( !font.IsOk() )
+ font = GetClassDefaultAttributes().font;
+
+ return font;
+ }
+ else
+ return m_font;
+}
+
+bool wxWindowBase::SetFont(const wxFont& font)
+{
+ if ( font == m_font )
+ {
+ // no change
+ return false;
+ }
+
+ m_font = font;
+ m_hasFont = font.IsOk();
+ m_inheritFont = m_hasFont;
+
+ InvalidateBestSize();
+
+ return true;
+}
+
+#if wxUSE_PALETTE
+
+void wxWindowBase::SetPalette(const wxPalette& pal)
+{
+ m_hasCustomPalette = true;
+ m_palette = pal;
+
+ // VZ: can anyone explain me what do we do here?
+ wxWindowDC d((wxWindow *) this);
+ d.SetPalette(pal);
+}
+
+wxWindow *wxWindowBase::GetAncestorWithCustomPalette() const
+{
+ wxWindow *win = (wxWindow *)this;
+ while ( win && !win->HasCustomPalette() )
+ {
+ win = win->GetParent();
+ }
+
+ return win;
+}
+
+#endif // wxUSE_PALETTE
+
+#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
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::SetValidator(const wxValidator& validator)
+{
+ if ( m_windowValidator )
+ delete m_windowValidator;
+
+ m_windowValidator = (wxValidator *)validator.Clone();
+
+ if ( m_windowValidator )
+ m_windowValidator->SetWindow(this);
+}
+#endif // wxUSE_VALIDATORS
+
+// ----------------------------------------------------------------------------
+// update region stuff
+// ----------------------------------------------------------------------------
+
+wxRect wxWindowBase::GetUpdateClientRect() const
+{
+ wxRegion rgnUpdate = GetUpdateRegion();
+ rgnUpdate.Intersect(GetClientRect());
+ wxRect rectUpdate = rgnUpdate.GetBox();
+ wxPoint ptOrigin = GetClientAreaOrigin();
+ rectUpdate.x -= ptOrigin.x;
+ rectUpdate.y -= ptOrigin.y;
+
+ return rectUpdate;
+}
+
+bool wxWindowBase::DoIsExposed(int x, int y) const
+{
+ return m_updateRegion.Contains(x, y) != wxOutRegion;
+}
+
+bool wxWindowBase::DoIsExposed(int x, int y, int w, int h) const
+{
+ return m_updateRegion.Contains(x, y, w, h) != wxOutRegion;
+}
+
+void wxWindowBase::ClearBackground()
+{
+ // wxGTK uses its own version, no need to add never used code
+#ifndef __WXGTK__
+ wxClientDC dc((wxWindow *)this);
+ wxBrush brush(GetBackgroundColour(), wxBRUSHSTYLE_SOLID);
+ dc.SetBackground(brush);
+ dc.Clear();
+#endif // __WXGTK__
+}
+
+// ----------------------------------------------------------------------------
+// find child window by id or name
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::FindWindow(long id) const
+{
+ if ( id == m_windowId )
+ return (wxWindow *)this;
+
+ wxWindowBase *res = NULL;
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
+ {
+ wxWindowBase *child = node->GetData();
+ res = child->FindWindow( id );
+ }
+
+ return (wxWindow *)res;
+}
+
+wxWindow *wxWindowBase::FindWindow(const wxString& name) const
+{
+ if ( name == m_windowName )
+ return (wxWindow *)this;
+
+ wxWindowBase *res = NULL;
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node && !res; node = node->GetNext() )
+ {
+ wxWindow *child = node->GetData();
+ res = child->FindWindow(name);
+ }
+
+ return (wxWindow *)res;
+}
+
+
+// find any window by id or name or label: If parent is non-NULL, look through
+// children for a label or title matching the specified string. If NULL, look
+// through all top-level windows.
+//
+// to avoid duplicating code we reuse the same helper function but with
+// different comparators
+
+typedef bool (*wxFindWindowCmp)(const wxWindow *win,
+ const wxString& label, long id);
+
+static
+bool wxFindWindowCmpLabels(const wxWindow *win, const wxString& label,
+ long WXUNUSED(id))
+{
+ return win->GetLabel() == label;
+}
+
+static
+bool wxFindWindowCmpNames(const wxWindow *win, const wxString& label,
+ long WXUNUSED(id))
+{
+ return win->GetName() == label;
+}
+
+static
+bool wxFindWindowCmpIds(const wxWindow *win, const wxString& WXUNUSED(label),
+ long id)
+{
+ return win->GetId() == id;
+}
+
+// recursive helper for the FindWindowByXXX() functions
+static
+wxWindow *wxFindWindowRecursively(const wxWindow *parent,
+ const wxString& label,
+ long id,
+ wxFindWindowCmp cmp)
+{
+ if ( parent )
+ {
+ // see if this is the one we're looking for
+ if ( (*cmp)(parent, label, id) )
+ return (wxWindow *)parent;
+
+ // It wasn't, so check all its children
+ for ( wxWindowList::compatibility_iterator node = parent->GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ // recursively check each child
+ wxWindow *win = (wxWindow *)node->GetData();
+ wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
+ if (retwin)
+ return retwin;
+ }
+ }
+
+ // Not found
+ return NULL;
+}
+
+// helper for FindWindowByXXX()
+static
+wxWindow *wxFindWindowHelper(const wxWindow *parent,
+ const wxString& label,
+ long id,
+ wxFindWindowCmp cmp)
+{
+ if ( parent )
+ {
+ // just check parent and all its children
+ return wxFindWindowRecursively(parent, label, id, cmp);
+ }
+
+ // start at very top of wx's windows
+ for ( wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ // recursively check each window & its children
+ wxWindow *win = node->GetData();
+ wxWindow *retwin = wxFindWindowRecursively(win, label, id, cmp);
+ if (retwin)
+ return retwin;
+ }
+
+ return NULL;
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowByLabel(const wxString& title, const wxWindow *parent)
+{
+ return wxFindWindowHelper(parent, title, 0, wxFindWindowCmpLabels);
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowByName(const wxString& title, const wxWindow *parent)
+{
+ wxWindow *win = wxFindWindowHelper(parent, title, 0, wxFindWindowCmpNames);
+
+ if ( !win )
+ {
+ // fall back to the label
+ win = FindWindowByLabel(title, parent);
+ }
+
+ return win;
+}
+
+/* static */
+wxWindow *
+wxWindowBase::FindWindowById( long id, const wxWindow* parent )
+{
+ return wxFindWindowHelper(parent, wxEmptyString, id, wxFindWindowCmpIds);
+}
+
+// ----------------------------------------------------------------------------
+// dialog oriented functions
+// ----------------------------------------------------------------------------
+
+#if WXWIN_COMPATIBILITY_2_8
+void wxWindowBase::MakeModal(bool modal)
+{
+ // Disable all other windows
+ if ( IsTopLevel() )
+ {
+ wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ if (win != this)
+ win->Enable(!modal);
+
+ node = node->GetNext();
+ }
+ }
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+#if wxUSE_VALIDATORS
+
+namespace
+{
+
+// This class encapsulates possibly recursive iteration on window children done
+// by Validate() and TransferData{To,From}Window() and allows to avoid code
+// duplication in all three functions.
+class ValidationTraverserBase
+{
+public:
+ wxEXPLICIT ValidationTraverserBase(wxWindowBase* win)
+ : m_win(static_cast<wxWindow*>(win))
+ {
+ }
+
+ // Traverse all the direct children calling OnDo() on them and also all
+ // grandchildren if wxWS_EX_VALIDATE_RECURSIVELY is used, calling
+ // OnRecurse() for them.
+ bool DoForAllChildren()
+ {
+ const bool recurse = m_win->HasExtraStyle(wxWS_EX_VALIDATE_RECURSIVELY);
+
+ wxWindowList& children = m_win->GetChildren();
+ for ( wxWindowList::iterator i = children.begin();
+ i != children.end();
+ ++i )
+ {
+ wxWindow* const child = static_cast<wxWindow*>(*i);
+ wxValidator* const validator = child->GetValidator();
+ if ( validator && !OnDo(validator) )
+ {
+ return false;
+ }
+
+ // Notice that validation should never recurse into top level
+ // children, e.g. some other dialog which might happen to be
+ // currently shown.
+ if ( recurse && !child->IsTopLevel() && !OnRecurse(child) )
+ {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+protected:
+ // Called for each child, validator is guaranteed to be non-NULL.
+ virtual bool OnDo(wxValidator* validator) = 0;
+
+ // Called for each child if we need to recurse into its children.
+ virtual bool OnRecurse(wxWindow* child) = 0;
+
+
+ // The window whose children we're traversing.
+ wxWindow* const m_win;
+
+ wxDECLARE_NO_COPY_CLASS(ValidationTraverserBase);
+};
+
+} // anonymous namespace
+
+#endif // wxUSE_VALIDATORS
+
+bool wxWindowBase::Validate()
+{
+#if wxUSE_VALIDATORS
+ class ValidateTraverser : public ValidationTraverserBase
+ {
+ public:
+ wxEXPLICIT ValidateTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
+ {
+ }
+
+ virtual bool OnDo(wxValidator* validator)
+ {
+ return validator->Validate(m_win);
+ }
+
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->Validate();
+ }
+ };
+
+ return ValidateTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
+ return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+}
+
+bool wxWindowBase::TransferDataToWindow()
+{
+#if wxUSE_VALIDATORS
+ class DataToWindowTraverser : public ValidationTraverserBase
+ {
+ public:
+ wxEXPLICIT DataToWindowTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
+ {
+ }
+
+ virtual bool OnDo(wxValidator* validator)
+ {
+ if ( !validator->TransferToWindow() )
+ {
+ wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ return false;
+ }
+
+ return true;
+ }
+
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->TransferDataToWindow();
+ }
+ };
+
+ return DataToWindowTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
+ return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+}
+
+bool wxWindowBase::TransferDataFromWindow()
+{
+#if wxUSE_VALIDATORS
+ class DataFromWindowTraverser : public ValidationTraverserBase
+ {
+ public:
+ DataFromWindowTraverser(wxWindowBase* win)
+ : ValidationTraverserBase(win)
+ {
+ }
+
+ virtual bool OnDo(wxValidator* validator)
+ {
+ return validator->TransferFromWindow();
+ }
+
+ virtual bool OnRecurse(wxWindow* child)
+ {
+ return child->TransferDataFromWindow();
+ }
+ };
+
+ return DataFromWindowTraverser(this).DoForAllChildren();
+#else // !wxUSE_VALIDATORS
+ return true;
+#endif // wxUSE_VALIDATORS/!wxUSE_VALIDATORS
+}
+
+void wxWindowBase::InitDialog()
+{
+ wxInitDialogEvent event(GetId());
+ event.SetEventObject( this );
+ GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// context-sensitive help support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_HELP
+
+// associate this help text with this window
+void wxWindowBase::SetHelpText(const wxString& text)
+{
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ helpProvider->AddHelp(this, text);
+ }
+}
+
+#if WXWIN_COMPATIBILITY_2_8
+// associate this help text with all windows with the same id as this
+// one
+void wxWindowBase::SetHelpTextForId(const wxString& text)
+{
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ helpProvider->AddHelp(GetId(), text);
+ }
+}
+#endif // WXWIN_COMPATIBILITY_2_8
+
+// get the help string associated with this window (may be empty)
+// default implementation forwards calls to the help provider
+wxString
+wxWindowBase::GetHelpTextAtPoint(const wxPoint & WXUNUSED(pt),
+ wxHelpEvent::Origin WXUNUSED(origin)) const
+{
+ wxString text;
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ text = helpProvider->GetHelp(this);
+ }
+
+ return text;
+}
+
+// show help for this window
+void wxWindowBase::OnHelp(wxHelpEvent& event)
+{
+ wxHelpProvider *helpProvider = wxHelpProvider::Get();
+ if ( helpProvider )
+ {
+ wxPoint pos = event.GetPosition();
+ const wxHelpEvent::Origin origin = event.GetOrigin();
+ if ( origin == wxHelpEvent::Origin_Keyboard )
+ {
+ // if the help event was generated from keyboard it shouldn't
+ // appear at the mouse position (which is still the only position
+ // associated with help event) if the mouse is far away, although
+ // we still do use the mouse position if it's over the window
+ // because we suppose the user looks approximately at the mouse
+ // already and so it would be more convenient than showing tooltip
+ // at some arbitrary position which can be quite far from it
+ const wxRect rectClient = GetClientRect();
+ if ( !rectClient.Contains(ScreenToClient(pos)) )
+ {
+ // position help slightly under and to the right of this window
+ pos = ClientToScreen(wxPoint(
+ 2*GetCharWidth(),
+ rectClient.height + GetCharHeight()
+ ));
+ }
+ }
+
+ if ( helpProvider->ShowHelpAtPoint(this, pos, origin) )
+ {
+ // skip the event.Skip() below
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// tooltips
+// ----------------------------------------------------------------------------
+
+#if wxUSE_TOOLTIPS
+
+wxString wxWindowBase::GetToolTipText() const
+{
+ return m_tooltip ? m_tooltip->GetTip() : wxString();
+}
+
+void wxWindowBase::SetToolTip( const wxString &tip )
+{
+ // don't create the new tooltip if we already have one
+ if ( m_tooltip )
+ {
+ m_tooltip->SetTip( tip );
+ }
+ else
+ {
+ SetToolTip( new wxToolTip( tip ) );
+ }
+
+ // setting empty tooltip text does not remove the tooltip any more - use
+ // SetToolTip(NULL) for this
+}
+
+void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
+{
+ if ( m_tooltip != tooltip )
+ {
+ if ( m_tooltip )
+ delete m_tooltip;
+
+ m_tooltip = tooltip;
+ }
+}
+
+bool wxWindowBase::CopyToolTip(wxToolTip *tip)
+{
+ SetToolTip(tip ? new wxToolTip(tip->GetTip()) : NULL);
+
+ return tip != NULL;
+}
+
+#endif // wxUSE_TOOLTIPS
+
+// ----------------------------------------------------------------------------
+// constraints and sizers
+// ----------------------------------------------------------------------------
+
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetConstraints( wxLayoutConstraints *constraints )
+{
+ if ( m_constraints )
+ {
+ UnsetConstraints(m_constraints);
+ delete m_constraints;
+ }
+ m_constraints = constraints;
+ if ( m_constraints )
+ {
+ // Make sure other windows know they're part of a 'meaningful relationship'
+ if ( m_constraints->left.GetOtherWindow() && (m_constraints->left.GetOtherWindow() != this) )
+ m_constraints->left.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->top.GetOtherWindow() && (m_constraints->top.GetOtherWindow() != this) )
+ m_constraints->top.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->right.GetOtherWindow() && (m_constraints->right.GetOtherWindow() != this) )
+ m_constraints->right.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->bottom.GetOtherWindow() && (m_constraints->bottom.GetOtherWindow() != this) )
+ m_constraints->bottom.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->width.GetOtherWindow() && (m_constraints->width.GetOtherWindow() != this) )
+ m_constraints->width.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->height.GetOtherWindow() && (m_constraints->height.GetOtherWindow() != this) )
+ m_constraints->height.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->centreX.GetOtherWindow() && (m_constraints->centreX.GetOtherWindow() != this) )
+ m_constraints->centreX.GetOtherWindow()->AddConstraintReference(this);
+ if ( m_constraints->centreY.GetOtherWindow() && (m_constraints->centreY.GetOtherWindow() != this) )
+ m_constraints->centreY.GetOtherWindow()->AddConstraintReference(this);
+ }
+}
+
+// This removes any dangling pointers to this window in other windows'
+// constraintsInvolvedIn lists.
+void wxWindowBase::UnsetConstraints(wxLayoutConstraints *c)
+{
+ if ( c )
+ {
+ if ( c->left.GetOtherWindow() && (c->left.GetOtherWindow() != this) )
+ c->left.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->top.GetOtherWindow() && (c->top.GetOtherWindow() != this) )
+ c->top.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->right.GetOtherWindow() && (c->right.GetOtherWindow() != this) )
+ c->right.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->bottom.GetOtherWindow() && (c->bottom.GetOtherWindow() != this) )
+ c->bottom.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->width.GetOtherWindow() && (c->width.GetOtherWindow() != this) )
+ c->width.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->height.GetOtherWindow() && (c->height.GetOtherWindow() != this) )
+ c->height.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->centreX.GetOtherWindow() && (c->centreX.GetOtherWindow() != this) )
+ c->centreX.GetOtherWindow()->RemoveConstraintReference(this);
+ if ( c->centreY.GetOtherWindow() && (c->centreY.GetOtherWindow() != this) )
+ c->centreY.GetOtherWindow()->RemoveConstraintReference(this);
+ }
+}
+
+// Back-pointer to other windows we're involved with, so if we delete this
+// window, we must delete any constraints we're involved with.
+void wxWindowBase::AddConstraintReference(wxWindowBase *otherWin)
+{
+ if ( !m_constraintsInvolvedIn )
+ m_constraintsInvolvedIn = new wxWindowList;
+ if ( !m_constraintsInvolvedIn->Find((wxWindow *)otherWin) )
+ m_constraintsInvolvedIn->Append((wxWindow *)otherWin);
+}
+
+// REMOVE back-pointer to other windows we're involved with.
+void wxWindowBase::RemoveConstraintReference(wxWindowBase *otherWin)
+{
+ if ( m_constraintsInvolvedIn )
+ m_constraintsInvolvedIn->DeleteObject((wxWindow *)otherWin);
+}
+
+// Reset any constraints that mention this window
+void wxWindowBase::DeleteRelatedConstraints()
+{
+ if ( m_constraintsInvolvedIn )
+ {
+ wxWindowList::compatibility_iterator node = m_constraintsInvolvedIn->GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ wxLayoutConstraints *constr = win->GetConstraints();
+
+ // Reset any constraints involving this window
+ if ( constr )
+ {
+ constr->left.ResetIfWin(this);
+ constr->top.ResetIfWin(this);
+ constr->right.ResetIfWin(this);
+ constr->bottom.ResetIfWin(this);
+ constr->width.ResetIfWin(this);
+ constr->height.ResetIfWin(this);
+ constr->centreX.ResetIfWin(this);
+ constr->centreY.ResetIfWin(this);
+ }
+
+ wxWindowList::compatibility_iterator next = node->GetNext();
+ m_constraintsInvolvedIn->Erase(node);
+ node = next;
+ }
+
+ wxDELETE(m_constraintsInvolvedIn);
+ }
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
+{
+ if ( sizer == m_windowSizer)
+ return;
+
+ if ( m_windowSizer )
+ {
+ m_windowSizer->SetContainingWindow(NULL);
+
+ if ( deleteOld )
+ delete m_windowSizer;
+ }
+
+ m_windowSizer = sizer;
+ if ( m_windowSizer )
+ {
+ m_windowSizer->SetContainingWindow((wxWindow *)this);
+ }
+
+ SetAutoLayout(m_windowSizer != NULL);
+}
+
+void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
+{
+ SetSizer( sizer, deleteOld );
+ sizer->SetSizeHints( (wxWindow*) this );
+}
+
+
+void wxWindowBase::SetContainingSizer(wxSizer* sizer)
+{
+ // adding a window to a sizer twice is going to result in fatal and
+ // hard to debug problems later because when deleting the second
+ // associated wxSizerItem we're going to dereference a dangling
+ // pointer; so try to detect this as early as possible
+ wxASSERT_MSG( !sizer || m_containingSizer != sizer,
+ wxT("Adding a window to the same sizer twice?") );
+
+ m_containingSizer = sizer;
+}
+
+#if wxUSE_CONSTRAINTS
+
+void wxWindowBase::SatisfyConstraints()
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ bool wasOk = constr && constr->AreSatisfied();
+
+ ResetConstraints(); // Mark all constraints as unevaluated
+
+ int noChanges = 1;
+
+ // if we're a top level panel (i.e. our parent is frame/dialog), our
+ // own constraints will never be satisfied any more unless we do it
+ // here
+ if ( wasOk )
+ {
+ while ( noChanges > 0 )
+ {
+ LayoutPhase1(&noChanges);
+ }
+ }
+
+ LayoutPhase2(&noChanges);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+bool wxWindowBase::Layout()
+{
+ // If there is a sizer, use it instead of the constraints
+ if ( GetSizer() )
+ {
+ int w = 0, h = 0;
+ GetVirtualSize(&w, &h);
+ GetSizer()->SetDimension( 0, 0, w, h );
+ }
+#if wxUSE_CONSTRAINTS
+ else
+ {
+ SatisfyConstraints(); // Find the right constraints values
+ SetConstraintSizes(); // Recursively set the real window sizes
+ }
+#endif
+
+ return true;
+}
+
+void wxWindowBase::InternalOnSize(wxSizeEvent& event)
+{
+ if ( GetAutoLayout() )
+ Layout();
+
+ event.Skip();
+}
+
+#if wxUSE_CONSTRAINTS
+
+// first phase of the constraints evaluation: set our own constraints
+bool wxWindowBase::LayoutPhase1(int *noChanges)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+
+ return !constr || constr->SatisfyConstraints(this, noChanges);
+}
+
+// second phase: set the constraints for our children
+bool wxWindowBase::LayoutPhase2(int *noChanges)
+{
+ *noChanges = 0;
+
+ // Layout children
+ DoPhase(1);
+
+ // Layout grand children
+ DoPhase(2);
+
+ return true;
+}
+
+// Do a phase of evaluating child constraints
+bool wxWindowBase::DoPhase(int phase)
+{
+ // the list containing the children for which the constraints are already
+ // set correctly
+ wxWindowList succeeded;
+
+ // the max number of iterations we loop before concluding that we can't set
+ // the constraints
+ static const int maxIterations = 500;
+
+ for ( int noIterations = 0; noIterations < maxIterations; noIterations++ )
+ {
+ int noChanges = 0;
+
+ // loop over all children setting their constraints
+ for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ node;
+ node = node->GetNext() )
+ {
+ wxWindow *child = node->GetData();
+ if ( child->IsTopLevel() )
+ {
+ // top level children are not inside our client area
+ continue;
+ }
+
+ if ( !child->GetConstraints() || succeeded.Find(child) )
+ {
+ // this one is either already ok or nothing we can do about it
+ continue;
+ }
+
+ int tempNoChanges = 0;
+ bool success = phase == 1 ? child->LayoutPhase1(&tempNoChanges)
+ : child->LayoutPhase2(&tempNoChanges);
+ noChanges += tempNoChanges;
+
+ if ( success )
+ {
+ succeeded.Append(child);
+ }
+ }
+
+ if ( !noChanges )
+ {
+ // constraints are set
+ break;
+ }
+ }
+
+ return true;
+}
+
+void wxWindowBase::ResetConstraints()
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ constr->left.SetDone(false);
+ constr->top.SetDone(false);
+ constr->right.SetDone(false);
+ constr->bottom.SetDone(false);
+ constr->width.SetDone(false);
+ constr->height.SetDone(false);
+ constr->centreX.SetDone(false);
+ constr->centreY.SetDone(false);
+ }
+
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() )
+ win->ResetConstraints();
+ node = node->GetNext();
+ }
+}
+
+// Need to distinguish between setting the 'fake' size for windows and sizers,
+// and setting the real values.
+void wxWindowBase::SetConstraintSizes(bool recurse)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr && constr->AreSatisfied() )
+ {
+ int x = constr->left.GetValue();
+ int y = constr->top.GetValue();
+ int w = constr->width.GetValue();
+ int h = constr->height.GetValue();
+
+ if ( (constr->width.GetRelationship() != wxAsIs ) ||
+ (constr->height.GetRelationship() != wxAsIs) )
+ {
+ // We really shouldn't set negative sizes for the windows so make
+ // them at least of 1*1 size
+ SetSize(x, y, w > 0 ? w : 1, h > 0 ? h : 1);
+ }
+ else
+ {
+ // If we don't want to resize this window, just move it...
+ Move(x, y);
+ }
+ }
+ else if ( constr )
+ {
+ wxLogDebug(wxT("Constraints not satisfied for %s named '%s'."),
+ GetClassInfo()->GetClassName(),
+ GetName().c_str());
+ }
+
+ if ( recurse )
+ {
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() && win->GetConstraints() )
+ win->SetConstraintSizes();
+ node = node->GetNext();
+ }
+ }
+}
+
+// Only set the size/position of the constraint (if any)
+void wxWindowBase::SetSizeConstraint(int x, int y, int w, int h)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ if ( x != wxDefaultCoord )
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(true);
+ }
+ if ( y != wxDefaultCoord )
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(true);
+ }
+ if ( w != wxDefaultCoord )
+ {
+ constr->width.SetValue(w);
+ constr->width.SetDone(true);
+ }
+ if ( h != wxDefaultCoord )
+ {
+ constr->height.SetValue(h);
+ constr->height.SetDone(true);
+ }
+ }
+}
+
+void wxWindowBase::MoveConstraint(int x, int y)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ if ( x != wxDefaultCoord )
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(true);
+ }
+ if ( y != wxDefaultCoord )
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(true);
+ }
+ }
+}
+
+void wxWindowBase::GetSizeConstraint(int *w, int *h) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *w = constr->width.GetValue();
+ *h = constr->height.GetValue();
+ }
+ else
+ GetSize(w, h);
+}
+
+void wxWindowBase::GetClientSizeConstraint(int *w, int *h) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *w = constr->width.GetValue();
+ *h = constr->height.GetValue();
+ }
+ else
+ GetClientSize(w, h);
+}
+
+void wxWindowBase::GetPositionConstraint(int *x, int *y) const
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ *x = constr->left.GetValue();
+ *y = constr->top.GetValue();
+ }
+ else
+ GetPosition(x, y);
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
+{
+ wxWindow *parent = GetParent();
+ if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
+ {
+ wxPoint pt(parent->GetClientAreaOrigin());
+ x += pt.x;
+ y += pt.y;
+ }
+}
+
+// ----------------------------------------------------------------------------
+// Update UI processing
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::UpdateWindowUI(long flags)
+{
+ wxUpdateUIEvent event(GetId());
+ event.SetEventObject(this);
+
+ if ( GetEventHandler()->ProcessEvent(event) )
+ {
+ DoUpdateWindowUI(event);
+ }
+
+ if (flags & wxUPDATE_UI_RECURSE)
+ {
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow* child = (wxWindow*) node->GetData();
+ child->UpdateWindowUI(flags);
+ node = node->GetNext();
+ }
+ }
+}
+
+// do the window-specific processing after processing the update event
+void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
+
+ if ( event.GetSetShown() )
+ Show(event.GetShown());
+}
+
+// ----------------------------------------------------------------------------
+// Idle processing
+// ----------------------------------------------------------------------------
+
+// Send idle event to window and all subwindows
+bool wxWindowBase::SendIdleEvents(wxIdleEvent& event)
+{
+ bool needMore = false;
+
+ OnInternalIdle();
+
+ // should we send idle event to this window?
+ if (wxIdleEvent::GetMode() == wxIDLE_PROCESS_ALL ||
+ HasExtraStyle(wxWS_EX_PROCESS_IDLE))
+ {
+ event.SetEventObject(this);
+ HandleWindowEvent(event);
+
+ if (event.MoreRequested())
+ needMore = true;
+ }
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ for (; node; node = node->GetNext())
+ {
+ wxWindow* child = node->GetData();
+ if (child->SendIdleEvents(event))
+ needMore = true;
+ }
+
+ return needMore;
+}
+
+void wxWindowBase::OnInternalIdle()
+{
+ if ( wxUpdateUIEvent::CanUpdate(this) )
+ UpdateWindowUI(wxUPDATE_UI_FROMIDLE);
+}
+
+// ----------------------------------------------------------------------------
+// dialog units translations
+// ----------------------------------------------------------------------------
+
+// Windows' computes dialog units using average character width over upper-
+// and lower-case ASCII alphabet and not using the average character width
+// metadata stored in the font; see
+// http://support.microsoft.com/default.aspx/kb/145994 for detailed discussion.
+// It's important that we perform the conversion in identical way, because
+// dialog units natively exist only on Windows and Windows HIG is expressed
+// using them.
+wxSize wxWindowBase::GetDlgUnitBase() const
+{
+ const wxWindowBase * const parent = wxGetTopLevelParent((wxWindow*)this);
+
+ wxCHECK_MSG( parent, wxDefaultSize, wxS("Must have TLW parent") );
+
+ if ( !parent->m_font.IsOk() )
+ {
+ // Default GUI font is used. This is the most common case, so
+ // cache the results.
+ static wxSize s_defFontSize;
+ if ( s_defFontSize.x == 0 )
+ s_defFontSize = wxPrivate::GetAverageASCIILetterSize(*parent);
+ return s_defFontSize;
+ }
+ else
+ {
+ // Custom font, we always need to compute the result
+ return wxPrivate::GetAverageASCIILetterSize(*parent);
+ }
+}
+
+wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt) const
+{
+ const wxSize base = GetDlgUnitBase();
+
+ // NB: wxMulDivInt32() is used, because it correctly rounds the result
+
+ wxPoint pt2 = wxDefaultPosition;
+ if (pt.x != wxDefaultCoord)
+ pt2.x = wxMulDivInt32(pt.x, 4, base.x);
+ if (pt.y != wxDefaultCoord)
+ pt2.y = wxMulDivInt32(pt.y, 8, base.y);
+
+ return pt2;
+}
+
+wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt) const
+{
+ const wxSize base = GetDlgUnitBase();
+
+ wxPoint pt2 = wxDefaultPosition;
+ if (pt.x != wxDefaultCoord)
+ pt2.x = wxMulDivInt32(pt.x, base.x, 4);
+ if (pt.y != wxDefaultCoord)
+ pt2.y = wxMulDivInt32(pt.y, base.y, 8);
+
+ return pt2;
+}
+
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+// propagate the colour change event to the subwindows
+void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& WXUNUSED(event))
+{
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while ( node )
+ {
+ // Only propagate to non-top-level windows
+ wxWindow *win = node->GetData();
+ if ( !win->IsTopLevel() )
+ {
+ wxSysColourChangedEvent event2;
+ event2.SetEventObject(win);
+ win->GetEventHandler()->ProcessEvent(event2);
+ }
+
+ node = node->GetNext();
+ }
+
+ Refresh();
+}
+
+// the default action is to populate dialog with data when it's created,
+// and nudge the UI into displaying itself correctly in case
+// we've turned the wxUpdateUIEvents frequency down low.
+void wxWindowBase::OnInitDialog( wxInitDialogEvent &WXUNUSED(event) )
+{
+ TransferDataToWindow();
+
+ // Update the UI at this point
+ UpdateWindowUI(wxUPDATE_UI_RECURSE);
+}
+
+// ----------------------------------------------------------------------------
+// menu-related functions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_MENUS
+
+bool wxWindowBase::PopupMenu(wxMenu *menu, int x, int y)
+{
+ wxCHECK_MSG( menu, false, "can't popup NULL menu" );
+
+ wxMenuInvokingWindowSetter
+ setInvokingWin(*menu, static_cast<wxWindow *>(this));
+
+ wxCurrentPopupMenu = menu;
+ const bool rc = DoPopupMenu(menu, x, y);
+ wxCurrentPopupMenu = NULL;
+
+ return rc;
+}
+
+// this is used to pass the id of the selected item from the menu event handler
+// to the main function itself
+//
+// it's ok to use a global here as there can be at most one popup menu shown at
+// any time
+static int gs_popupMenuSelection = wxID_NONE;
+
+void wxWindowBase::InternalOnPopupMenu(wxCommandEvent& event)
+{
+ // store the id in a global variable where we'll retrieve it from later
+ gs_popupMenuSelection = event.GetId();
+}
+
+void wxWindowBase::InternalOnPopupMenuUpdate(wxUpdateUIEvent& WXUNUSED(event))
+{
+ // nothing to do but do not skip it
+}
+
+int
+wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
+{
+ gs_popupMenuSelection = wxID_NONE;
+
+ Connect(wxEVT_COMMAND_MENU_SELECTED,
+ wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+ NULL,
+ this);
+
+ // it is common to construct the menu passed to this function dynamically
+ // using some fixed range of ids which could clash with the ids used
+ // elsewhere in the program, which could result in some menu items being
+ // unintentionally disabled or otherwise modified by update UI handlers
+ // elsewhere in the program code and this is difficult to avoid in the
+ // program itself, so instead we just temporarily suspend UI updating while
+ // this menu is shown
+ Connect(wxEVT_UPDATE_UI,
+ wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+ NULL,
+ this);
+
+ PopupMenu(&menu, x, y);
+
+ Disconnect(wxEVT_UPDATE_UI,
+ wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+ NULL,
+ this);
+ Disconnect(wxEVT_COMMAND_MENU_SELECTED,
+ wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
+ NULL,
+ this);
+
+ return gs_popupMenuSelection;
+}
+
+#endif // wxUSE_MENUS
+
+// methods for drawing the sizers in a visible way: this is currently only
+// enabled for "full debug" builds with wxDEBUG_LEVEL==2 as it doesn't work
+// that well and also because we don't want to leave it enabled in default
+// builds used for production
+#if wxDEBUG_LEVEL > 1
+
+static void DrawSizers(wxWindowBase *win);
+
+static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill, const wxPen* pen)
+{
+ wxClientDC dc((wxWindow *)win);
+ dc.SetPen(*pen);
+ dc.SetBrush(fill ? wxBrush(pen->GetColour(), wxBRUSHSTYLE_CROSSDIAG_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), false, wxRED_PEN);
+ DrawSizer(win, item->GetSizer());
+ }
+ else if ( item->IsSpacer() )
+ {
+ DrawBorder(win, item->GetRect().Deflate(2), true, wxBLUE_PEN);
+ }
+ else if ( item->IsWindow() )
+ {
+ DrawSizers(item->GetWindow());
+ }
+ else
+ wxFAIL_MSG("inconsistent wxSizerItem status!");
+ }
+}
+
+static void DrawSizers(wxWindowBase *win)
+{
+ DrawBorder(win, win->GetClientSize(), false, wxGREEN_PEN);
+
+ wxSizer *sizer = win->GetSizer();
+ if ( sizer )
+ {
+ 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);
+ }
+
+ // show all kind of sizes of this window; see the "window sizing" topic
+ // overview for more info about the various differences:
+ wxSize fullSz = win->GetSize();
+ wxSize clientSz = win->GetClientSize();
+ wxSize bestSz = win->GetBestSize();
+ wxSize minSz = win->GetMinSize();
+ wxSize maxSz = win->GetMaxSize();
+ wxSize virtualSz = win->GetVirtualSize();
+
+ wxMessageOutputDebug dbgout;
+ dbgout.Printf(
+ "%-10s => fullsz=%4d;%-4d clientsz=%4d;%-4d bestsz=%4d;%-4d minsz=%4d;%-4d maxsz=%4d;%-4d virtualsz=%4d;%-4d\n",
+ win->GetName(),
+ fullSz.x, fullSz.y,
+ clientSz.x, clientSz.y,
+ bestSz.x, bestSz.y,
+ minSz.x, minSz.y,
+ maxSz.x, maxSz.y,
+ virtualSz.x, virtualSz.y);
+ }
+}
+
+#endif // wxDEBUG_LEVEL
+
+// process special middle clicks
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
+{
+ if ( event.ControlDown() && event.AltDown() )
+ {
+#if wxDEBUG_LEVEL > 1
+ // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
+ if ( event.ShiftDown() )
+ {
+ DrawSizers(this);
+ }
+ else
+#endif // __WXDEBUG__
+ {
+#if wxUSE_MSGDLG
+ // just Ctrl-Alt-middle click shows information about wx version
+ ::wxInfoMessageBox((wxWindow*)this);
+#endif // wxUSE_MSGDLG
+ }
+ }
+ else
+ {
+ event.Skip();
+ }
+}
+
+// ----------------------------------------------------------------------------
+// accessibility
+// ----------------------------------------------------------------------------
+
+#if wxUSE_ACCESSIBILITY
+void wxWindowBase::SetAccessible(wxAccessible* accessible)
+{
+ if (m_accessible && (accessible != m_accessible))
+ delete m_accessible;
+ m_accessible = accessible;
+ if (m_accessible)
+ m_accessible->SetWindow((wxWindow*) this);
+}
+
+// Returns the accessible object, creating if necessary.
+wxAccessible* wxWindowBase::GetOrCreateAccessible()
+{
+ if (!m_accessible)
+ m_accessible = CreateAccessible();
+ return m_accessible;
+}
+
+// Override to create a specific accessible object.
+wxAccessible* wxWindowBase::CreateAccessible()
+{
+ return new wxWindowAccessible((wxWindow*) this);
+}
+
+#endif
+
+// ----------------------------------------------------------------------------
+// list classes implementation
+// ----------------------------------------------------------------------------
+
+#if wxUSE_STD_CONTAINERS
+
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxWindowList)
+
+#else // !wxUSE_STD_CONTAINERS
+
+void wxWindowListNode::DeleteData()
+{
+ delete (wxWindow *)GetData();
+}
+
+#endif // wxUSE_STD_CONTAINERS/!wxUSE_STD_CONTAINERS
+
+// ----------------------------------------------------------------------------
+// borders
+// ----------------------------------------------------------------------------
+
+wxBorder wxWindowBase::GetBorder(long flags) const
+{
+ wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
+ if ( border == wxBORDER_DEFAULT )
+ {
+ border = GetDefaultBorder();
+ }
+ else if ( border == wxBORDER_THEME )
+ {
+ border = GetDefaultBorderForControl();
+ }
+
+ return border;
+}
+
+wxBorder wxWindowBase::GetDefaultBorder() const
+{
+ return wxBORDER_NONE;
+}
+
+// ----------------------------------------------------------------------------
+// hit testing
+// ----------------------------------------------------------------------------
+
+wxHitTest wxWindowBase::DoHitTest(wxCoord x, wxCoord y) const
+{
+ // here we just check if the point is inside the window or not
+
+ // check the top and left border first
+ bool outside = x < 0 || y < 0;
+ if ( !outside )
+ {
+ // check the right and bottom borders too
+ wxSize size = GetSize();
+ outside = x >= size.x || y >= size.y;
+ }
+
+ return outside ? wxHT_WINDOW_OUTSIDE : wxHT_WINDOW_INSIDE;
+}
+
+// ----------------------------------------------------------------------------
+// mouse capture
+// ----------------------------------------------------------------------------
+
+struct WXDLLEXPORT wxWindowNext
+{
+ wxWindow *win;
+ wxWindowNext *next;
+} *wxWindowBase::ms_winCaptureNext = NULL;
+wxWindow *wxWindowBase::ms_winCaptureCurrent = NULL;
+bool wxWindowBase::ms_winCaptureChanging = false;
+
+void wxWindowBase::CaptureMouse()