/////////////////////////////////////////////////////////////////////////////
-// Name: windows.cpp
+// Name: common/window.cpp
// Purpose: common (to all ports) wxWindow functions
// Author: Julian Smart, Vadim Zeitlin
// Modified by:
// Created: 13/07/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) wxWindows team
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-// For compilers that support precompilation, includes "wx.h".
-#include "wx/wxprec.h"
+// ============================================================================
+// declarations
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
+ #pragma implementation "windowbase.h"
+#endif
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
+#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/defs.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/statusbr.h"
+ #include "wx/dcclient.h"
+#endif //WX_PRECOMP
+
+#if wxUSE_CONSTRAINTS
+ #include "wx/layout.h"
+#endif // wxUSE_CONSTRAINTS
+
+#include "wx/sizer.h"
+
+#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
+
+// ----------------------------------------------------------------------------
+// static data
+// ----------------------------------------------------------------------------
+
+#if defined(__WXPM__)
+int wxWindowBase::ms_lastControlId = 2000;
+#else
+int wxWindowBase::ms_lastControlId = -200;
+#endif
+
+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
+
+END_EVENT_TABLE()
+
+// ============================================================================
+// implementation of the common functionality of the wxWindow class
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// initialization
+// ----------------------------------------------------------------------------
+
+// the default initialization
+wxWindowBase::wxWindowBase()
+{
+ // no window yet, no parent nor children
+ m_parent = (wxWindow *)NULL;
+ m_windowId = wxID_ANY;
+
+ // no constraints on the minimal window size
+ m_minWidth =
+ m_minHeight =
+ m_maxWidth =
+ m_maxHeight = -1;
+
+ // 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 = (wxValidator *) NULL;
+#endif // wxUSE_VALIDATORS
+
+ // use the system default colours
+ m_backgroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE);
+ m_foregroundColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT);
+
+ // don't set the font here for wxMSW as we don't call WM_SETFONT here and
+ // so the font is *not* really set - but calls to SetFont() later won't do
+ // anything because m_font appears to be already set!
+#ifndef __WXMSW__
+ m_font = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+#endif // __WXMSW__
+
+ // the colours/fonts are default for now
+ m_hasBgCol =
+ m_hasFgCol =
+ m_hasFont = false;
+
+ m_isBeingDeleted = false;
+
+ // no style bits
+ m_exStyle =
+ m_windowStyle = 0;
+
+#if wxUSE_CONSTRAINTS
+ // no constraints whatsoever
+ m_constraints = (wxLayoutConstraints *) NULL;
+ m_constraintsInvolvedIn = (wxWindowList *) NULL;
+#endif // wxUSE_CONSTRAINTS
+
+ m_windowSizer = (wxSizer *) NULL;
+ m_containingSizer = (wxSizer *) NULL;
+ m_autoLayout = false;
+
+#if wxUSE_DRAG_AND_DROP
+ m_dropTarget = (wxDropTarget *)NULL;
+#endif // wxUSE_DRAG_AND_DROP
+
+#if wxUSE_TOOLTIPS
+ m_tooltip = (wxToolTip *)NULL;
+#endif // wxUSE_TOOLTIPS
+
+#if wxUSE_CARET
+ m_caret = (wxCaret *)NULL;
+#endif // wxUSE_CARET
+
+#if wxUSE_PALETTE
+ m_hasCustomPalette = false;
+#endif // wxUSE_PALETTE
+
+#if wxUSE_ACCESSIBILITY
+ m_accessible = NULL;
+#endif
+
+ m_virtualSize = wxDefaultSize;
+
+ m_minVirtualWidth =
+ m_minVirtualHeight =
+ m_maxVirtualWidth =
+ m_maxVirtualHeight = -1;
+
+ m_windowVariant = wxWINDOW_VARIANT_NORMAL ;
+
+ // Whether we're using the current theme for this window (wxGTK only for now)
+ m_themeEnabled = false;
+}
+
+// common part of window creation process
+bool wxWindowBase::CreateBase(wxWindowBase *parent,
+ wxWindowID id,
+ const wxPoint& WXUNUSED(pos),
+ const wxSize& WXUNUSED(size),
+ long style,
+ const wxValidator& wxVALIDATOR_PARAM(validator),
+ const wxString& name)
+{
+#if wxUSE_STATBOX
+ // wxGTK doesn't allow to create controls with static box as the parent so
+ // this will result in a crash when the program is ported to wxGTK so warn
+ // the user about it
+
+ // if you get this assert, the correct solution is to create the controls
+ // as siblings of the static box
+ wxASSERT_MSG( !parent || !wxDynamicCast(parent, wxStaticBox),
+ _T("wxStaticBox can't be used as a window parent!") );
+#endif // wxUSE_STATBOX
+
+ // 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 wxWindows own usage)
+ wxASSERT_MSG( id == wxID_ANY || (id >= 0 && id < 32767),
+ _T("invalid id value") );
+
+ // generate a new id if the user doesn't care about it
+ m_windowId = id == wxID_ANY ? NewControlId() : id;
+
+ SetName(name);
+ SetWindowStyleFlag(style);
+ SetParent(parent);
+
+#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;
+}
+
+// ----------------------------------------------------------------------------
+// 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);
+
+ wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("children not destroyed") );
+
+ // reset the dangling pointer our parent window may keep to us
+ if ( m_parent )
+ {
+ if ( m_parent->GetDefaultItem() == this )
+ {
+ m_parent->SetDefaultItem(NULL);
+ }
+
+ 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);
+ delete m_constraints;
+ m_constraints = NULL;
+ }
+#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
+}
+
+bool wxWindowBase::Destroy()
+{
+ 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 GetEventHandler()->ProcessEvent(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 call delete and not ->Destroy() here
+ // because we want to delete the child immediately, before we are
+ // deleted, and delayed deletion would result in problems as our (top
+ // level) child could outlive its parent
+ delete child;
+
+ 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::Centre(int direction)
+{
+ // the position/size of the parent window or of the entire screen
+ wxPoint posParent;
+ int widthParent, heightParent;
+
+ wxWindow *parent = NULL;
+
+ if ( !(direction & wxCENTRE_ON_SCREEN) )
+ {
+ // find the parent to centre this window on: it should be the
+ // immediate parent for the controls but the top level parent for the
+ // top level windows (like dialogs)
+ parent = GetParent();
+ if ( IsTopLevel() )
+ {
+ while ( parent && !parent->IsTopLevel() )
+ {
+ parent = parent->GetParent();
+ }
+ }
+
+ // there is no wxTopLevelWindow under wxMotif yet
+#ifndef __WXMOTIF__
+ // we shouldn't center the dialog on the iconized window: under
+ // Windows, for example, this places it completely off the screen
+ if ( parent )
+ {
+ wxTopLevelWindow *winTop = wxDynamicCast(parent, wxTopLevelWindow);
+ if ( winTop && winTop->IsIconized() )
+ {
+ parent = NULL;
+ }
+ }
+#endif // __WXMOTIF__
+
+ // did we find the parent?
+ if ( !parent )
+ {
+ // no other choice
+ direction |= wxCENTRE_ON_SCREEN;
+ }
+ }
+
+ if ( direction & wxCENTRE_ON_SCREEN )
+ {
+ // centre with respect to the whole screen
+ wxDisplaySize(&widthParent, &heightParent);
+ }
+ else
+ {
+ if ( IsTopLevel() )
+ {
+ // centre on the parent
+ parent->GetSize(&widthParent, &heightParent);
+
+ // adjust to the parents position
+ posParent = parent->GetPosition();
+ }
+ else
+ {
+ // centre inside the parents client rectangle
+ parent->GetClientSize(&widthParent, &heightParent);
+ }
+ }
+
+ int width, height;
+ GetSize(&width, &height);
+
+ int xNew = -1,
+ yNew = -1;
+
+ if ( direction & wxHORIZONTAL )
+ xNew = (widthParent - width)/2;
+
+ if ( direction & wxVERTICAL )
+ yNew = (heightParent - height)/2;
+
+ xNew += posParent.x;
+ yNew += posParent.y;
+
+ // Base size of the visible dimensions of the display
+ // to take into account the taskbar
+ wxRect rect = wxGetClientDisplayRect();
+ wxSize size (rect.width,rect.height);
+
+ // NB: in wxMSW, negative position may not neccessary mean "out of screen",
+ // but it may mean that the window is placed on other than the main
+ // display. Therefore we only make sure centered window is on the main display
+ // if the parent is at least partially present here.
+ if (posParent.x + widthParent >= 0) // if parent is (partially) on the main display
+ {
+ if (xNew < 0)
+ xNew = 0;
+ else if (xNew+width > size.x)
+ xNew = size.x-width-1;
+ }
+ if (posParent.y + heightParent >= 0) // if parent is (partially) on the main display
+ {
+ if (yNew+height > size.y)
+ yNew = size.y-height-1;
+
+ // Make certain that the title bar is initially visible
+ // always, even if this would push the bottom of the
+ // dialog of the visible area of the display
+ if (yNew < 0)
+ yNew = 0;
+ }
+
+ // move the window to this position (keeping the old size but using
+ // SetSize() and not Move() to allow xNew and/or yNew to be -1)
+ SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
+}
+
+// fits the window around the children
+void wxWindowBase::Fit()
+{
+ if ( GetChildren().GetCount() > 0 )
+ {
+ SetClientSize(DoGetBestSize());
+ }
+ //else: do nothing if we have no children
+}
+
+// fits virtual size (ie. scrolled area etc.) around children
+void wxWindowBase::FitInside()
+{
+ if ( GetChildren().GetCount() > 0 )
+ {
+ SetVirtualSize( GetBestVirtualSize() );
+ }
+}
+
+// return the size best suited for the current window
+wxSize wxWindowBase::DoGetBestSize() const
+{
+ if ( m_windowSizer )
+ {
+ return 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 :-(
+ }
+
+ return wxSize(maxX, maxY);
+ }
+#endif // wxUSE_CONSTRAINTS
+ else if ( GetChildren().GetCount() > 0 )
+ {
+ // 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() )
+ {
+ wxWindow *win = node->GetData();
+ if ( win->IsTopLevel()
+#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 == -1 )
+ wx = 0;
+ if ( wy == -1 )
+ wy = 0;
+
+ win->GetSize(&ww, &wh);
+ if ( wx + ww > maxX )
+ maxX = wx + ww;
+ if ( wy + wh > maxY )
+ maxY = wy + wh;
+ }
+
+ // for compatibility with the old versions and because it really looks
+ // slightly more pretty like this, add a pad
+ maxX += 7;
+ maxY += 14;
+
+ return wxSize(maxX, maxY);
+ }
+ else
+ {
+ // for a generic window there is no natural best size - just use the
+ // current one
+ return GetSize();
+ }
+}
+
+// by default the origin is not shifted
+wxPoint wxWindowBase::GetClientAreaOrigin() const
+{
+ return wxPoint(0, 0);
+}
+
+// set the min/max size of the window
+void wxWindowBase::SetSizeHints(int minW, int minH,
+ int maxW, int maxH,
+ int WXUNUSED(incW), int WXUNUSED(incH))
+{
+ // setting min width greater than max width leads to infinite loops under
+ // X11 and generally doesn't make any sense, so don't allow it
+ wxCHECK_RET( (minW == -1 || maxW == -1 || minW <= maxW) &&
+ (minH == -1 || maxH == -1 || minH <= maxH),
+ _T("min width/height must be less than max width/height!") );
+
+ m_minWidth = minW;
+ m_maxWidth = maxW;
+ m_minHeight = minH;
+ m_maxHeight = maxH;
+}
+
+void wxWindowBase::SetWindowVariant( wxWindowVariant variant )
+{
+ if ( m_windowVariant == variant )
+ return ;
+
+ m_windowVariant = variant ;
+
+ DoSetWindowVariant( variant ) ;
+ return ;
+}
+
+void wxWindowBase::DoSetWindowVariant( wxWindowVariant variant )
+{
+ wxFont font = wxSystemSettings::GetSystemFont( wxSYS_DEFAULT_GUI_FONT ) ;
+ int size = font.GetPointSize() ;
+ switch ( variant )
+ {
+ case wxWINDOW_VARIANT_NORMAL :
+ break ;
+ case wxWINDOW_VARIANT_SMALL :
+ font.SetPointSize( size * 3 / 4 ) ;
+ break ;
+ case wxWINDOW_VARIANT_MINI :
+ font.SetPointSize( size * 2 / 3 ) ;
+ break ;
+ case wxWINDOW_VARIANT_LARGE :
+ font.SetPointSize( size * 5 / 4 ) ;
+ break ;
+ default:
+ wxFAIL_MSG(_T("unexpected window variant"));
+ break ;
+ }
+ SetFont( font ) ;
+}
+
+void wxWindowBase::SetVirtualSizeHints( int minW, int minH,
+ int maxW, int maxH )
+{
+ m_minVirtualWidth = minW;
+ m_maxVirtualWidth = maxW;
+ m_minVirtualHeight = minH;
+ m_maxVirtualHeight = maxH;
+}
+
+void wxWindowBase::DoSetVirtualSize( int x, int y )
+{
+ if ( m_minVirtualWidth != -1 && m_minVirtualWidth > x )
+ x = m_minVirtualWidth;
+ if ( m_maxVirtualWidth != -1 && m_maxVirtualWidth < x )
+ x = m_maxVirtualWidth;
+ if ( m_minVirtualHeight != -1 && m_minVirtualHeight > y )
+ y = m_minVirtualHeight;
+ if ( m_maxVirtualHeight != -1 && m_maxVirtualHeight < y )
+ y = m_maxVirtualHeight;
+
+ m_virtualSize = wxSize(x, y);
+}
+
+wxSize wxWindowBase::DoGetVirtualSize() const
+{
+ wxSize s( GetClientSize() );
+
+ return wxSize( wxMax( m_virtualSize.GetWidth(), s.GetWidth() ),
+ wxMax( m_virtualSize.GetHeight(), s.GetHeight() ) );
+}
+
+// ----------------------------------------------------------------------------
+// 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::Enable(bool enable)
+{
+ if ( enable != m_isEnabled )
+ {
+ m_isEnabled = enable;
+
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+// ----------------------------------------------------------------------------
+// RTTI
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::IsTopLevel() const
+{
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// reparenting the window
+// ----------------------------------------------------------------------------
+
+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), _T("AddChild() called twice") );
+
+ GetChildren().Append((wxWindow*)child);
+ child->SetParent(this);
+}
+
+void wxWindowBase::RemoveChild(wxWindowBase *child)
+{
+ wxCHECK_RET( child, wxT("can't remove a NULL child") );
+
+ GetChildren().DeleteObject((wxWindow *)child);
+ child->SetParent(NULL);
+}
+
+bool wxWindowBase::Reparent(wxWindowBase *newParent)
+{
+ wxWindow *oldParent = GetParent();
+ if ( newParent == oldParent )
+ {
+ // nothing done
+ return false;
+ }
+
+ // 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);
+ }
+
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// event handler stuff
+// ----------------------------------------------------------------------------
+
+void wxWindowBase::PushEventHandler(wxEvtHandler *handler)
+{
+ wxEvtHandler *handlerOld = GetEventHandler();
+
+ handler->SetNextHandler(handlerOld);
+
+ if ( handlerOld )
+ GetEventHandler()->SetPreviousHandler(handler);
+
+ SetEventHandler(handler);
+}
+
+wxEvtHandler *wxWindowBase::PopEventHandler(bool deleteHandler)
+{
+ wxEvtHandler *handlerA = GetEventHandler();
+ if ( handlerA )
+ {
+ wxEvtHandler *handlerB = handlerA->GetNextHandler();
+ handlerA->SetNextHandler((wxEvtHandler *)NULL);
+
+ if ( handlerB )
+ handlerB->SetPreviousHandler((wxEvtHandler *)NULL);
+ SetEventHandler(handlerB);
+
+ if ( deleteHandler )
+ {
+ delete handlerA;
+ handlerA = (wxEvtHandler *)NULL;
+ }
+ }
+
+ return handlerA;
+}
+
+bool wxWindowBase::RemoveEventHandler(wxEvtHandler *handler)
+{
+ wxCHECK_MSG( handler, false, _T("RemoveEventHandler(NULL) called") );
+
+ wxEvtHandler *handlerPrev = NULL,
+ *handlerCur = GetEventHandler();
+ while ( handlerCur )
+ {
+ wxEvtHandler *handlerNext = handlerCur->GetNextHandler();
+
+ if ( handlerCur == handler )
+ {
+ if ( handlerPrev )
+ {
+ handlerPrev->SetNextHandler(handlerNext);
+ }
+ else
+ {
+ SetEventHandler(handlerNext);
+ }
+
+ if ( handlerNext )
+ {
+ handlerNext->SetPreviousHandler ( handlerPrev );
+ }
+
+ handler->SetNextHandler(NULL);
+ handler->SetPreviousHandler(NULL);
+
+ return true;
+ }
+
+ handlerPrev = handlerCur;
+ handlerCur = handlerNext;
+ }
+
+ wxFAIL_MSG( _T("where has the event handler gone?") );
+
+ return false;
+}
+
+// ----------------------------------------------------------------------------
+// cursors, fonts &c
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+ if ( !colour.Ok() || (colour == m_backgroundColour) )
+ return false;
+
+ m_backgroundColour = colour;
+
+ m_hasBgCol = true;
+
+ return true;
+}
+
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+ if ( !colour.Ok() || (colour == m_foregroundColour) )
+ return false;
+
+ m_foregroundColour = colour;
+
+ m_hasFgCol = true;
+
+ 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 == cursor )
+ {
+ // no change
+ return false;
+ }
+
+ m_cursor = cursor;
+
+ return true;
+}
+
+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 )
+ {
+ // no change
+ return false;
+ }
+
+ m_font = fontOk;
+
+ m_hasFont = true;
+
+ 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::IsExposed(int x, int y) const
+{
+ return m_updateRegion.Contains(x, y) != wxOutRegion;
+}
+
+bool wxWindowBase::IsExposed(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(), wxSOLID);
+ dc.SetBackground(brush);
+ dc.Clear();
+#endif // __WXGTK__
+}
+
+// ----------------------------------------------------------------------------
+// find child window by id or name
+// ----------------------------------------------------------------------------
+
+wxWindow *wxWindowBase::FindWindow( long id )
+{
+ if ( id == m_windowId )
+ return (wxWindow *)this;
+
+ wxWindowBase *res = (wxWindow *)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 )
+{
+ if ( name == m_windowName )
+ return (wxWindow *)this;
+
+ wxWindowBase *res = (wxWindow *)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, _T(""), id, wxFindWindowCmpIds);
+}
+
+// ----------------------------------------------------------------------------
+// dialog oriented functions
+// ----------------------------------------------------------------------------
+
+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();
+ }
+ }
+}
+
+bool wxWindowBase::Validate()
+{
+#if wxUSE_VALIDATORS
+ bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
+
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+ {
+ wxWindowBase *child = node->GetData();
+ wxValidator *validator = child->GetValidator();
+ if ( validator && !validator->Validate((wxWindow *)this) )
+ {
+ return false;
+ }
+
+ if ( recurse && !child->Validate() )
+ {
+ return false;
+ }
+ }
+#endif // wxUSE_VALIDATORS
+
+ return true;
+}
+
+bool wxWindowBase::TransferDataToWindow()
+{
+#if wxUSE_VALIDATORS
+ bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
+
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+ {
+ wxWindowBase *child = node->GetData();
+ wxValidator *validator = child->GetValidator();
+ if ( validator && !validator->TransferToWindow() )
+ {
+ wxLogWarning(_("Could not transfer data to window"));
+#if wxUSE_LOG
+ wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+ return false;
+ }
+
+ if ( recurse )
+ {
+ if ( !child->TransferDataToWindow() )
+ {
+ // warning already given
+ return false;
+ }
+ }
+ }
+#endif // wxUSE_VALIDATORS
+
+ return true;
+}
+
+bool wxWindowBase::TransferDataFromWindow()
+{
+#if wxUSE_VALIDATORS
+ bool recurse = (GetExtraStyle() & wxWS_EX_VALIDATE_RECURSIVELY) != 0;
+
+ wxWindowList::compatibility_iterator node;
+ for ( node = m_children.GetFirst(); node; node = node->GetNext() )
+ {
+ wxWindow *child = node->GetData();
+ wxValidator *validator = child->GetValidator();
+ if ( validator && !validator->TransferFromWindow() )
+ {
+ // nop warning here because the application is supposed to give
+ // one itself - we don't know here what might have gone wrongly
+
+ return false;
+ }
+
+ if ( recurse )
+ {
+ if ( !child->TransferDataFromWindow() )
+ {
+ // warning already given
+ return false;
+ }
+ }
+ }
+#endif // wxUSE_VALIDATORS
+
+ return true;
+}
+
+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);
+ }
+}
+
+// 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);
+ }
+}
+
+// get the help string associated with this window (may be empty)
+wxString wxWindowBase::GetHelpText() 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 )
+ {
+ if ( helpProvider->ShowHelp(this) )
+ {
+ // skip the event.Skip() below
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// tooltipsroot.Replace("\\", "/");
+// ----------------------------------------------------------------------------
+
+#if wxUSE_TOOLTIPS
+
+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((wxToolTip *)NULL) for this
+}
+
+void wxWindowBase::DoSetToolTip(wxToolTip *tooltip)
+{
+ if ( m_tooltip )
+ delete m_tooltip;
+
+ m_tooltip = tooltip;
+}
+
+#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->top.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;
+ }
+
+ delete m_constraintsInvolvedIn;
+ m_constraintsInvolvedIn = (wxWindowList *) NULL;
+ }
+}
+
+#endif // wxUSE_CONSTRAINTS
+
+void wxWindowBase::SetSizer(wxSizer *sizer, bool deleteOld)
+{
+ if ( sizer == m_windowSizer)
+ return;
+
+ if ( deleteOld )
+ delete m_windowSizer;
+
+ m_windowSizer = sizer;
+
+ SetAutoLayout( sizer != NULL );
+}
+
+void wxWindowBase::SetSizerAndFit(wxSizer *sizer, bool deleteOld)
+{
+ SetSizer( sizer, deleteOld );
+ sizer->SetSizeHints( (wxWindow*) this );
+}
+
+#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, h;
+ 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;
+}
+
+#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) )
+ {
+ SetSize(x, y, w, h);
+ }
+ 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 != -1 )
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(true);
+ }
+ if ( y != -1 )
+ {
+ constr->top.SetValue(y);
+ constr->top.SetDone(true);
+ }
+ if ( w != -1 )
+ {
+ constr->width.SetValue(w);
+ constr->width.SetDone(true);
+ }
+ if ( h != -1 )
+ {
+ constr->height.SetValue(h);
+ constr->height.SetDone(true);
+ }
+ }
+}
+
+void wxWindowBase::MoveConstraint(int x, int y)
+{
+ wxLayoutConstraints *constr = GetConstraints();
+ if ( constr )
+ {
+ if ( x != -1 )
+ {
+ constr->left.SetValue(x);
+ constr->left.SetDone(true);
+ }
+ if ( y != -1 )
+ {
+ 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);
+}
-#include "wx/frame.h"
-#include "wx/defs.h"
-#include "wx/window.h"
+#endif // wxUSE_CONSTRAINTS
-// Do Update UI processing for child controls
+void wxWindowBase::AdjustForParentClientOrigin(int& x, int& y, int sizeFlags) const
+{
+ // don't do it for the dialogs/frames - they float independently of their
+ // parent
+ if ( !IsTopLevel() )
+ {
+ wxWindow *parent = GetParent();
+ if ( !(sizeFlags & wxSIZE_NO_ADJUSTMENTS) && parent )
+ {
+ wxPoint pt(parent->GetClientAreaOrigin());
+ x += pt.x;
+ y += pt.y;
+ }
+ }
+}
-// TODO: should this be implemented for the child window rather
-// than the parent? Then you can override it e.g. for wxCheckBox
-// to do the Right Thing rather than having to assume a fixed number
-// of control classes.
-#include "wx/checkbox.h"
-#include "wx/radiobut.h"
+// ----------------------------------------------------------------------------
+// do Update UI processing for child controls
+// ----------------------------------------------------------------------------
-void wxWindow::UpdateWindowUI()
+void wxWindowBase::UpdateWindowUI(long flags)
{
- wxWindowID id = GetId();
- if (id > 0)
- {
- wxUpdateUIEvent event(id);
+ wxUpdateUIEvent event(GetId());
event.m_eventObject = this;
- if (this->GetEventHandler()->ProcessEvent(event))
+ if ( GetEventHandler()->ProcessEvent(event) )
+ {
+ DoUpdateWindowUI(event);
+ }
+
+ if (flags & wxUPDATE_UI_RECURSE)
{
- if (event.GetSetEnabled())
- this->Enable(event.GetEnabled());
+ 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
+// TODO: take specific knowledge out of this function and
+// put in each control's base class. Unfortunately we don't
+// yet have base implementation files for wxCheckBox and wxRadioButton.
+void wxWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+ if ( event.GetSetEnabled() )
+ Enable(event.GetEnabled());
- if (event.GetSetText() && this->IsKindOf(CLASSINFO(wxControl)))
- ((wxControl*)this)->SetLabel(event.GetText());
+#if wxUSE_CONTROLS
+ if ( event.GetSetText() )
+ {
+ wxControl *control = wxDynamicCastThis(wxControl);
+ if ( control )
+ {
+ if ( event.GetText() != control->GetLabel() )
+ control->SetLabel(event.GetText());
+ }
+#if wxUSE_CHECKBOX
+ wxCheckBox *checkbox = wxDynamicCastThis(wxCheckBox);
+ if ( checkbox )
+ {
+ if ( event.GetSetChecked() )
+ checkbox->SetValue(event.GetChecked());
+ }
+#endif // wxUSE_CHECKBOX
- if (this->IsKindOf(CLASSINFO(wxCheckBox)))
- {
- if (event.GetSetChecked())
- ((wxCheckBox *) this)->SetValue(event.GetChecked());
- }
- // @@@ No radio buttons in wxGTK yet
-#ifndef __WXGTK__
- else if (this->IsKindOf(CLASSINFO(wxRadioButton)))
- {
- if (event.GetSetChecked())
- ((wxRadioButton *) this)->SetValue(event.GetChecked());
- }
+#if wxUSE_RADIOBTN
+ wxRadioButton *radiobtn = wxDynamicCastThis(wxRadioButton);
+ if ( radiobtn )
+ {
+ if ( event.GetSetChecked() )
+ radiobtn->SetValue(event.GetChecked());
+ }
+#endif // wxUSE_RADIOBTN
+ }
#endif
+}
+
+#if 0
+// call internal idle recursively
+// may be obsolete (wait until OnIdle scheme stabilises)
+void wxWindowBase::ProcessInternalIdle()
+{
+ OnInternalIdle();
+
+ wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
+ while (node)
+ {
+ wxWindow *child = node->GetData();
+ child->ProcessInternalIdle();
+ node = node->GetNext();
}
- }
}
+#endif
-// Dialog units translations. Implemented in wincmn.cpp.
-wxPoint wxWindow::ConvertPixelsToDialog(const wxPoint& pt)
+// ----------------------------------------------------------------------------
+// dialog units translations
+// ----------------------------------------------------------------------------
+
+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;
}
-wxPoint wxWindow::ConvertDialogToPixels(const wxPoint& pt)
+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;
}
+// ----------------------------------------------------------------------------
+// event handlers
+// ----------------------------------------------------------------------------
+
+// propagate the colour change event to the subwindows
+void wxWindowBase::OnSysColourChanged(wxSysColourChangedEvent& 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;
+ event.m_eventObject = win;
+ win->GetEventHandler()->ProcessEvent(event2);
+ }
+
+ node = node->GetNext();
+ }
+}
+
+// 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);
+}
+
+// process Ctrl-Alt-mclick
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
+{
+#if wxUSE_MSGDLG
+ if ( event.ControlDown() && event.AltDown() )
+ {
+ // don't translate these strings
+ wxString port;
+
+#ifdef __WXUNIVERSAL__
+ port = _T("Univ/");
+#endif // __WXUNIVERSAL__
+
+ switch ( wxGetOsVersion() )
+ {
+ case wxMOTIF_X: port += _T("Motif"); break;
+ case wxMAC:
+ case wxMAC_DARWIN: port += _T("Mac"); break;
+ case wxBEOS: port += _T("BeOS"); break;
+ case wxGTK:
+ case wxGTK_WIN32:
+ case wxGTK_OS2:
+ case wxGTK_BEOS: port += _T("GTK"); break;
+ case wxWINDOWS:
+ case wxPENWINDOWS:
+ case wxWINDOWS_NT:
+ case wxWIN32S:
+ case wxWIN95:
+ case wxWIN386: port += _T("MS Windows"); break;
+ case wxMGL_UNIX:
+ case wxMGL_X:
+ case wxMGL_WIN32:
+ case wxMGL_OS2: port += _T("MGL"); break;
+ case wxWINDOWS_OS2:
+ case wxOS2_PM: port += _T("OS/2"); break;
+ default: port += _T("unknown"); break;
+ }
+
+ wxMessageBox(wxString::Format(
+ _T(
+ " wxWindows Library (%s port)\nVersion %u.%u.%u%s, compiled at %s %s\n Copyright (c) 1995-2002 wxWindows team"
+ ),
+ port.c_str(),
+ wxMAJOR_VERSION,
+ wxMINOR_VERSION,
+ wxRELEASE_NUMBER,
+#if wxUSE_UNICODE
+ L" (Unicode)",
+#else
+ "",
+#endif
+ __TDATE__,
+ __TTIME__
+ ),
+ _T("wxWindows information"),
+ wxICON_INFORMATION | wxOK,
+ (wxWindow *)this);
+ }
+ else
+#endif // wxUSE_MSGDLG
+ {
+ 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
+
+#if !wxUSE_STL
+// ----------------------------------------------------------------------------
+// list classes implementation
+// ----------------------------------------------------------------------------
+
+void wxWindowListNode::DeleteData()
+{
+ delete (wxWindow *)GetData();
+}
+#endif
+
+// ----------------------------------------------------------------------------
+// borders
+// ----------------------------------------------------------------------------
+
+wxBorder wxWindowBase::GetBorder(long flags) const
+{
+ wxBorder border = (wxBorder)(flags & wxBORDER_MASK);
+ if ( border == wxBORDER_DEFAULT )
+ {
+ border = GetDefaultBorder();
+ }
+
+ 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;
+
+void wxWindowBase::CaptureMouse()
+{
+ wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), this);
+
+ wxWindow *winOld = GetCapture();
+ if ( winOld )
+ {
+ ((wxWindowBase*) winOld)->DoReleaseMouse();
+
+ // save it on stack
+ wxWindowNext *item = new wxWindowNext;
+ item->win = winOld;
+ item->next = ms_winCaptureNext;
+ ms_winCaptureNext = item;
+ }
+ //else: no mouse capture to save
+
+ DoCaptureMouse();
+}
+
+void wxWindowBase::ReleaseMouse()
+{
+ wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), this);
+
+ wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
+
+ DoReleaseMouse();
+
+ if ( ms_winCaptureNext )
+ {
+ ((wxWindowBase*)ms_winCaptureNext->win)->DoCaptureMouse();
+
+ wxWindowNext *item = ms_winCaptureNext;
+ ms_winCaptureNext = item->next;
+ delete item;
+ }
+ //else: stack is empty, no previous capture
+
+ wxLogTrace(_T("mousecapture"),
+ (const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
+ GetCapture());
+}
+
+#if wxUSE_HOTKEY
+
+bool
+wxWindowBase::RegisterHotKey(int WXUNUSED(hotkeyId),
+ int WXUNUSED(modifiers),
+ int WXUNUSED(keycode))
+{
+ // not implemented
+ return false;
+}
+
+bool wxWindowBase::UnregisterHotKey(int WXUNUSED(hotkeyId))
+{
+ // not implemented
+ return false;
+}
+
+#endif // wxUSE_HOTKEY
+
+void wxWindowBase::SendDestroyEvent()
+{
+ wxWindowDestroyEvent event;
+ event.SetEventObject(this);
+ event.SetId(GetId());
+ GetEventHandler()->ProcessEvent(event);
+}
+
+// ----------------------------------------------------------------------------
+// event processing
+// ----------------------------------------------------------------------------
+
+bool wxWindowBase::TryValidator(wxEvent& wxVALIDATOR_PARAM(event))
+{
+#if wxUSE_VALIDATORS
+ // Can only use the validator of the window which
+ // is receiving the event
+ if ( event.GetEventObject() == this )
+ {
+ wxValidator *validator = GetValidator();
+ if ( validator && validator->ProcessEvent(event) )
+ {
+ return true;
+ }
+ }
+#endif // wxUSE_VALIDATORS
+
+ return false;
+}
+
+bool wxWindowBase::TryParent(wxEvent& event)
+{
+ // carry on up the parent-child hierarchy if the propgation count hasn't
+ // reached zero yet
+ if ( event.ShouldPropagate() )
+ {
+ // honour the requests to stop propagation at this window: this is
+ // used by the dialogs, for example, to prevent processing the events
+ // from the dialog controls in the parent frame which rarely, if ever,
+ // makes sense
+ if ( !(GetExtraStyle() & wxWS_EX_BLOCK_EVENTS) )
+ {
+ wxWindow *parent = GetParent();
+ if ( parent && !parent->IsBeingDeleted() )
+ {
+ wxPropagateOnce propagateOnce(event);
+
+ return parent->GetEventHandler()->ProcessEvent(event);
+ }
+ }
+ }
+
+ return wxEvtHandler::TryParent(event);
+}
+
+// ----------------------------------------------------------------------------
+// global functions
+// ----------------------------------------------------------------------------
+
+wxWindow* wxGetTopLevelParent(wxWindow *win)
+{
+ while ( win && !win->IsTopLevel() )
+ win = win->GetParent();
+
+ return win;
+}
+
+#if wxUSE_ACCESSIBILITY
+// ----------------------------------------------------------------------------
+// accessible object for windows
+// ----------------------------------------------------------------------------
+
+// Can return either a child object, or an integer
+// representing the child element, starting from 1.
+wxAccStatus wxWindowAccessible::HitTest(const wxPoint& WXUNUSED(pt), int* WXUNUSED(childId), wxAccessible** WXUNUSED(childObject))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the rectangle for this object (id = 0) or a child element (id > 0).
+wxAccStatus wxWindowAccessible::GetLocation(wxRect& rect, int elementId)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxWindow* win = NULL;
+ if (elementId == 0)
+ {
+ win = GetWindow();
+ }
+ else
+ {
+ if (elementId <= (int) GetWindow()->GetChildren().GetCount())
+ {
+ win = GetWindow()->GetChildren().Item(elementId-1)->GetData();
+ }
+ else
+ return wxACC_FAIL;
+ }
+ if (win)
+ {
+ rect = win->GetRect();
+ if (win->GetParent() && !win->IsKindOf(CLASSINFO(wxTopLevelWindow)))
+ rect.SetPosition(win->GetParent()->ClientToScreen(rect.GetPosition()));
+ return wxACC_OK;
+ }
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Navigates from fromId to toId/toObject.
+wxAccStatus wxWindowAccessible::Navigate(wxNavDir navDir, int fromId,
+ int* WXUNUSED(toId), wxAccessible** toObject)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ switch (navDir)
+ {
+ case wxNAVDIR_FIRSTCHILD:
+ {
+ if (GetWindow()->GetChildren().GetCount() == 0)
+ return wxACC_FALSE;
+ wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetFirst()->GetData();
+ *toObject = childWindow->GetOrCreateAccessible();
+
+ return wxACC_OK;
+ }
+ case wxNAVDIR_LASTCHILD:
+ {
+ if (GetWindow()->GetChildren().GetCount() == 0)
+ return wxACC_FALSE;
+ wxWindow* childWindow = (wxWindow*) GetWindow()->GetChildren().GetLast()->GetData();
+ *toObject = childWindow->GetOrCreateAccessible();
+
+ return wxACC_OK;
+ }
+ case wxNAVDIR_RIGHT:
+ case wxNAVDIR_DOWN:
+ case wxNAVDIR_NEXT:
+ {
+ wxWindowList::compatibility_iterator node =
+ wxWindowList::compatibility_iterator();
+ if (fromId == 0)
+ {
+ // Can't navigate to sibling of this window
+ // if we're a top-level window.
+ if (!GetWindow()->GetParent())
+ return wxACC_NOT_IMPLEMENTED;
+
+ node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
+ }
+ else
+ {
+ if (fromId <= (int) GetWindow()->GetChildren().GetCount())
+ node = GetWindow()->GetChildren().Item(fromId-1);
+ }
+
+ if (node && node->GetNext())
+ {
+ wxWindow* nextWindow = node->GetNext()->GetData();
+ *toObject = nextWindow->GetOrCreateAccessible();
+ return wxACC_OK;
+ }
+ else
+ return wxACC_FALSE;
+ }
+ case wxNAVDIR_LEFT:
+ case wxNAVDIR_UP:
+ case wxNAVDIR_PREVIOUS:
+ {
+ wxWindowList::compatibility_iterator node =
+ wxWindowList::compatibility_iterator();
+ if (fromId == 0)
+ {
+ // Can't navigate to sibling of this window
+ // if we're a top-level window.
+ if (!GetWindow()->GetParent())
+ return wxACC_NOT_IMPLEMENTED;
+
+ node = GetWindow()->GetParent()->GetChildren().Find(GetWindow());
+ }
+ else
+ {
+ if (fromId <= (int) GetWindow()->GetChildren().GetCount())
+ node = GetWindow()->GetChildren().Item(fromId-1);
+ }
+
+ if (node && node->GetPrevious())
+ {
+ wxWindow* previousWindow = node->GetPrevious()->GetData();
+ *toObject = previousWindow->GetOrCreateAccessible();
+ return wxACC_OK;
+ }
+ else
+ return wxACC_FALSE;
+ }
+ }
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the name of the specified object.
+wxAccStatus wxWindowAccessible::GetName(int childId, wxString* name)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString title;
+
+ // If a child, leave wxWindows to call the function on the actual
+ // child object.
+ if (childId > 0)
+ return wxACC_NOT_IMPLEMENTED;
+
+ // This will eventually be replaced by specialised
+ // accessible classes, one for each kind of wxWindows
+ // control or window.
+ if (GetWindow()->IsKindOf(CLASSINFO(wxButton)))
+ title = ((wxButton*) GetWindow())->GetLabel();
+ else
+ title = GetWindow()->GetName();
+
+ if (!title.IsEmpty())
+ {
+ *name = title;
+ return wxACC_OK;
+ }
+ else
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the number of children.
+wxAccStatus wxWindowAccessible::GetChildCount(int* childId)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ *childId = (int) GetWindow()->GetChildren().GetCount();
+ return wxACC_OK;
+}
+
+// Gets the specified child (starting from 1).
+// If *child is NULL and return value is wxACC_OK,
+// this means that the child is a simple element and
+// not an accessible object.
+wxAccStatus wxWindowAccessible::GetChild(int childId, wxAccessible** child)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ if (childId == 0)
+ {
+ *child = this;
+ return wxACC_OK;
+ }
+
+ if (childId > (int) GetWindow()->GetChildren().GetCount())
+ return wxACC_FAIL;
+
+ wxWindow* childWindow = GetWindow()->GetChildren().Item(childId-1)->GetData();
+ *child = childWindow->GetOrCreateAccessible();
+ if (*child)
+ return wxACC_OK;
+ else
+ return wxACC_FAIL;
+}
+
+// Gets the parent, or NULL.
+wxAccStatus wxWindowAccessible::GetParent(wxAccessible** parent)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxWindow* parentWindow = GetWindow()->GetParent();
+ if (!parentWindow)
+ {
+ *parent = NULL;
+ return wxACC_OK;
+ }
+ else
+ {
+ *parent = parentWindow->GetOrCreateAccessible();
+ if (*parent)
+ return wxACC_OK;
+ else
+ return wxACC_FAIL;
+ }
+}
+
+// Performs the default action. childId is 0 (the action for this object)
+// or > 0 (the action for a child).
+// Return wxACC_NOT_SUPPORTED if there is no default action for this
+// window (e.g. an edit control).
+wxAccStatus wxWindowAccessible::DoDefaultAction(int WXUNUSED(childId))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the default action for this object (0) or > 0 (the action for a child).
+// Return wxACC_OK even if there is no action. actionName is the action, or the empty
+// string if there is no action.
+// The retrieved string describes the action that is performed on an object,
+// not what the object does as a result. For example, a toolbar button that prints
+// a document has a default action of "Press" rather than "Prints the current document."
+wxAccStatus wxWindowAccessible::GetDefaultAction(int WXUNUSED(childId), wxString* WXUNUSED(actionName))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the description for this object or a child.
+wxAccStatus wxWindowAccessible::GetDescription(int WXUNUSED(childId), wxString* description)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpText());
+ if (!ht.IsEmpty())
+ {
+ *description = ht;
+ return wxACC_OK;
+ }
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns help text for this object or a child, similar to tooltip text.
+wxAccStatus wxWindowAccessible::GetHelpText(int WXUNUSED(childId), wxString* helpText)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ wxString ht(GetWindow()->GetHelpText());
+ if (!ht.IsEmpty())
+ {
+ *helpText = ht;
+ return wxACC_OK;
+ }
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns the keyboard shortcut for this object or child.
+// Return e.g. ALT+K
+wxAccStatus wxWindowAccessible::GetKeyboardShortcut(int WXUNUSED(childId), wxString* WXUNUSED(shortcut))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Returns a role constant.
+wxAccStatus wxWindowAccessible::GetRole(int childId, wxAccRole* role)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ // If a child, leave wxWindows to call the function on the actual
+ // child object.
+ if (childId > 0)
+ return wxACC_NOT_IMPLEMENTED;
+
+ if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
+ return wxACC_NOT_IMPLEMENTED;
+#if wxUSE_STATUSBAR
+ if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+#if wxUSE_TOOLBAR
+ if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+
+ //*role = wxROLE_SYSTEM_CLIENT;
+ *role = wxROLE_SYSTEM_CLIENT;
+ return wxACC_OK;
+
+ #if 0
+ return wxACC_NOT_IMPLEMENTED;
+ #endif
+}
+
+// Returns a state constant.
+wxAccStatus wxWindowAccessible::GetState(int childId, long* state)
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ // If a child, leave wxWindows to call the function on the actual
+ // child object.
+ if (childId > 0)
+ return wxACC_NOT_IMPLEMENTED;
+
+ if (GetWindow()->IsKindOf(CLASSINFO(wxControl)))
+ return wxACC_NOT_IMPLEMENTED;
+
+#if wxUSE_STATUSBAR
+ if (GetWindow()->IsKindOf(CLASSINFO(wxStatusBar)))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+#if wxUSE_TOOLBAR
+ if (GetWindow()->IsKindOf(CLASSINFO(wxToolBar)))
+ return wxACC_NOT_IMPLEMENTED;
+#endif
+
+ *state = 0;
+ return wxACC_OK;
+
+ #if 0
+ return wxACC_NOT_IMPLEMENTED;
+ #endif
+}
+
+// Returns a localized string representing the value for the object
+// or child.
+wxAccStatus wxWindowAccessible::GetValue(int WXUNUSED(childId), wxString* WXUNUSED(strValue))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Selects the object or child.
+wxAccStatus wxWindowAccessible::Select(int WXUNUSED(childId), wxAccSelectionFlags WXUNUSED(selectFlags))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets the window with the keyboard focus.
+// If childId is 0 and child is NULL, no object in
+// this subhierarchy has the focus.
+// If this object has the focus, child should be 'this'.
+wxAccStatus wxWindowAccessible::GetFocus(int* WXUNUSED(childId), wxAccessible** WXUNUSED(child))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+// Gets a variant representing the selected children
+// of this object.
+// Acceptable values:
+// - a null variant (IsNull() returns TRUE)
+// - a list variant (GetType() == wxT("list")
+// - an integer representing the selected child element,
+// or 0 if this object is selected (GetType() == wxT("long")
+// - a "void*" pointer to a wxAccessible child object
+wxAccStatus wxWindowAccessible::GetSelections(wxVariant* WXUNUSED(selections))
+{
+ wxASSERT( GetWindow() != NULL );
+ if (!GetWindow())
+ return wxACC_FAIL;
+
+ return wxACC_NOT_IMPLEMENTED;
+}
+
+#endif // wxUSE_ACCESSIBILITY
projects / wxWidgets.git / blobdiff