+// 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/statusbr.h"
+ #include "wx/toolbar.h"
+ #include "wx/dcclient.h"
+ #include "wx/scrolbar.h"
+ #include "wx/layout.h"
+ #include "wx/sizer.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
+
+// For reporting compile- and runtime version of GTK+ in the ctrl+alt+mclick dialog.
+// The gtk includes don't pull any other headers in, at least not on my system - MR
+#ifdef __WXGTK__
+ #ifdef __WXGTK20__
+ #include <gtk/gtkversion.h>
+ #else
+ #include <gtk/gtkfeatures.h>
+ #endif
+ extern const unsigned int gtk_major_version;
+ extern const unsigned int gtk_minor_version;
+ extern const unsigned int gtk_micro_version;
+#endif
+
+#include "wx/platinfo.h"
+
+// Windows List
+WXDLLIMPEXP_DATA_CORE(wxWindowList) wxTopLevelWindows;
+
+// ----------------------------------------------------------------------------
+// static data
+// ----------------------------------------------------------------------------
+
+#if defined(__WXPALMOS__)
+int wxWindowBase::ms_lastControlId = 32767;
+#elif 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_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 = (wxValidator *) 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_SYSTEM;
+
+#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_scrollHelper = (wxScrollHelper *) NULL;
+
+ m_minVirtualWidth =
+ m_maxVirtualWidth = wxDefaultCoord;
+ m_minVirtualHeight =
+ m_maxVirtualHeight = wxDefaultCoord;
+
+ 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;
+
+ // VZ: this one shouldn't exist...
+ m_isBeingDeleted = 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 wxWidgets 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;
+
+ // 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;
+
+ SetName(name);
+ 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;
+}
+
+bool wxWindowBase::ToggleWindowStyle(int flag)
+{
+ wxASSERT_MSG( flag, _T("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);
+
+ 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);
+ 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
+}
+
+void wxWindowBase::SendDestroyEvent()
+{
+ wxWindowDestroyEvent event;
+ event.SetEventObject(this);
+ event.SetId(GetId());
+ GetEventHandler()->ProcessEvent(event);
+}
+
+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::DoCentre(int dir)
+{
+ wxCHECK_RET( !(dir & wxCENTRE_ON_SCREEN) && GetParent(),
+ _T("this method only implements centering child windows") );
+
+ SetSize(GetRect().CentreIn(GetParent()->GetClientSize(), dir));
+}
+
+// fits the window around the children
+void wxWindowBase::Fit()
+{
+ if ( !GetChildren().empty() )
+ {
+ SetSize(GetBestSize());
+ }
+ //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() );
+ }
+}
+
+// On Mac, scrollbars are explicitly children.
+#ifdef __WXMAC__
+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() && !win->IsKindOf(CLASSINFO(wxScrollBar)))
+ 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()
+#ifdef __WXMAC__
+ && 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
+ {
+ // for a generic window there is no natural best size so, if the
+ // minimal size is not set, use the current size but take care to
+ // remember it as minimal size for the next time because our best size
+ // should be constant: otherwise we could get into a situation when the
+ // window is initially at some size, then expanded to a larger size and
+ // then, when the containing window is shrunk back (because our initial
+ // best size had been used for computing the parent min size), we can't
+ // be shrunk back any more because our best size is now bigger
+ wxSize size = GetMinSize();
+ if ( !size.IsFullySpecified() )
+ {
+ size.SetDefaults(GetSize());
+ wxConstCast(this, wxWindowBase)->SetMinSize(size);
+ }
+
+ // return as-is, unadjusted by the client size difference.
+ return size;
+ }
+
+ // Add any difference between size and client size
+ wxSize diff = GetSize() - GetClientSize();
+ best.x += wxMax(0, diff.x);
+ best.y += wxMax(0, diff.y);
+
+ return best;
+}
+
+// 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)
+{
+ int rc = wxSystemSettings::GetMetric(what);
+ 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( _T("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);
+ size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y);
+ break;
+
+ case wxBORDER_SUNKEN:
+ case wxBORDER_RAISED:
+ size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X),
+ wxGetMetricOrDefault(wxSYS_BORDER_X));
+ size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y),
+ wxGetMetricOrDefault(wxSYS_BORDER_Y));
+ break;
+
+ case wxBORDER_DOUBLE:
+ size.x = wxGetMetricOrDefault(wxSYS_EDGE_X) +
+ wxGetMetricOrDefault(wxSYS_BORDER_X);
+ size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y) +
+ wxGetMetricOrDefault(wxSYS_BORDER_Y);
+ break;
+
+ default:
+ wxFAIL_MSG(_T("Unknown border style."));
+ break;
+ }
+
+ // we have borders on both sides
+ return size*2;
+}
+
+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;
+}
+
+
+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);
+}
+
+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 *= 3;
+ size /= 4;
+ break;
+
+ case wxWINDOW_VARIANT_MINI:
+ size *= 2;
+ size /= 3;
+ break;
+
+ case wxWINDOW_VARIANT_LARGE:
+ size *= 5;
+ size /= 4;
+ break;
+
+ default:
+ wxFAIL_MSG(_T("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),
+ _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::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 != wxDefaultCoord && m_minVirtualWidth > x )
+ x = m_minVirtualWidth;
+ if ( m_maxVirtualWidth != wxDefaultCoord && m_maxVirtualWidth < x )
+ x = m_maxVirtualWidth;
+ if ( m_minVirtualHeight != wxDefaultCoord && m_minVirtualHeight > y )
+ y = m_minVirtualHeight;
+ if ( m_maxVirtualHeight != wxDefaultCoord && m_maxVirtualHeight < y )
+ y = m_maxVirtualHeight;
+
+ 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);
+}
+
+// ----------------------------------------------------------------------------
+// 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)
+{
+#ifndef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enabled);
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ OnEnabled(enabled);
+
+ // If we are top-level then the logic doesn't apply - otherwise
+ // showing a modal dialog would result in total greying out (and ungreying
+ // out later) of everything which would be really ugly
+ if ( IsTopLevel() )
+ return;
+
+ 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;
+
+#ifdef wxHAS_NATIVE_ENABLED_MANAGEMENT
+ DoEnable(enable);
+#else // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+ wxWindowBase * const parent = GetParent();
+ if( !IsTopLevel() && parent && !parent->IsEnabled() )
+ {
+ return true;
+ }
+#endif // !defined(wxHAS_NATIVE_ENABLED_MANAGEMENT)
+
+ NotifyWindowOnEnableChange(enable);
+
+ return true;
+}
+
+bool wxWindowBase::IsShownOnScreen() const
+{
+ return IsShown() &&
+ (GetParent() == NULL || GetParent()->IsShownOnScreen());
+}
+
+// ----------------------------------------------------------------------------
+// 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;
+ }
+
+ 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::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;
+}
+
+// ----------------------------------------------------------------------------
+// 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.Ok() )
+ {
+ wxASSERT_MSG( !m_hasBgCol, _T("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 surprizing 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.Ok() )
+ colBg = GetClassDefaultAttributes().colBg;
+
+ return colBg;
+ }
+ else
+ return m_backgroundColour;
+}
+
+wxColour wxWindowBase::GetForegroundColour() const
+{
+ // logic is the same as above
+ if ( !m_hasFgCol && !m_foregroundColour.Ok() )
+ {
+ wxASSERT_MSG( !m_hasFgCol, _T("we have invalid explicit fg colour?") );
+
+ wxColour colFg = GetDefaultAttributes().colFg;
+
+ if ( !colFg.Ok() )
+ colFg = GetClassDefaultAttributes().colFg;
+
+ return colFg;
+ }
+ else
+ return m_foregroundColour;
+}
+
+bool wxWindowBase::SetBackgroundColour( const wxColour &colour )
+{
+ if ( colour == m_backgroundColour )
+ return false;
+
+ m_hasBgCol = colour.Ok();
+ if ( m_backgroundStyle != wxBG_STYLE_CUSTOM )
+ m_backgroundStyle = m_hasBgCol ? wxBG_STYLE_COLOUR : wxBG_STYLE_SYSTEM;
+
+ m_inheritBgCol = m_hasBgCol;
+ m_backgroundColour = colour;
+ SetThemeEnabled( !m_hasBgCol && !m_foregroundColour.Ok() );
+ return true;
+}
+
+bool wxWindowBase::SetForegroundColour( const wxColour &colour )
+{
+ if (colour == m_foregroundColour )
+ return false;
+
+ m_hasFgCol = colour.Ok();
+ m_inheritFgCol = m_hasFgCol;
+ m_foregroundColour = colour;
+ SetThemeEnabled( !m_hasFgCol && !m_backgroundColour.Ok() );
+ 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.Ok() )
+ {
+ wxASSERT_MSG( !m_hasFont, _T("we have invalid explicit font?") );
+
+ wxFont font = GetDefaultAttributes().font;
+ if ( !font.Ok() )
+ 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.Ok();
+ 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(), wxSOLID);
+ 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 = (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) const
+{
+ 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, wxEmptyString, 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)
+// 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 )
+ {
+ if ( helpProvider->ShowHelpAtPoint(this, event.GetPosition(), event.GetOrigin()) )
+ {
+ // skip the event.Skip() below
+ return;
+ }
+ }
+
+ event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// tooltips
+// ----------------------------------------------------------------------------
+
+#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 != 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 ( 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,
+ _T("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;
+}
+
+#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 != 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
+{
+ // 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;
+ }
+ }
+}
+
+// ----------------------------------------------------------------------------
+// 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());
+}
+
+// ----------------------------------------------------------------------------
+// dialog units translations
+// ----------------------------------------------------------------------------
+
+wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
+{
+ int charWidth = GetCharWidth();
+ int charHeight = GetCharHeight();
+ wxPoint pt2 = wxDefaultPosition;
+ if (pt.x != wxDefaultCoord)
+ pt2.x = (int) ((pt.x * 4) / charWidth);
+ if (pt.y != wxDefaultCoord)
+ pt2.y = (int) ((pt.y * 8) / charHeight);
+
+ return pt2;
+}
+
+wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
+{
+ int charWidth = GetCharWidth();
+ int charHeight = GetCharHeight();
+ wxPoint pt2 = wxDefaultPosition;
+ if (pt.x != wxDefaultCoord)
+ pt2.x = (int) ((pt.x * charWidth) / 4);
+ if (pt.y != wxDefaultCoord)
+ 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.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);
+}
+
+// methods for drawing the sizers in a visible way
+#ifdef __WXDEBUG__
+
+static void DrawSizers(wxWindowBase *win);
+
+static void DrawBorder(wxWindowBase *win, const wxRect& rect, bool fill = false)
+{
+ wxClientDC dc((wxWindow *)win);
+ dc.SetPen(*wxRED_PEN);
+ dc.SetBrush(fill ? wxBrush(*wxRED, wxCROSSDIAG_HATCH): *wxTRANSPARENT_BRUSH);
+ dc.DrawRectangle(rect.Deflate(1, 1));
+}
+
+static void DrawSizer(wxWindowBase *win, wxSizer *sizer)
+{
+ const wxSizerItemList& items = sizer->GetChildren();
+ for ( wxSizerItemList::const_iterator i = items.begin(),
+ end = items.end();
+ i != end;
+ ++i )
+ {
+ wxSizerItem *item = *i;
+ if ( item->IsSizer() )
+ {
+ DrawBorder(win, item->GetRect().Deflate(2));
+ DrawSizer(win, item->GetSizer());
+ }
+ else if ( item->IsSpacer() )
+ {
+ DrawBorder(win, item->GetRect().Deflate(2), true);
+ }
+ else if ( item->IsWindow() )
+ {
+ DrawSizers(item->GetWindow());
+ }
+ }
+}
+
+static void DrawSizers(wxWindowBase *win)
+{
+ wxSizer *sizer = win->GetSizer();
+ if ( sizer )
+ {
+ DrawBorder(win, win->GetClientSize());
+ DrawSizer(win, sizer);
+ }
+ else // no sizer, still recurse into the children
+ {
+ const wxWindowList& children = win->GetChildren();
+ for ( wxWindowList::const_iterator i = children.begin(),
+ end = children.end();
+ i != end;
+ ++i )
+ {
+ DrawSizers(*i);
+ }
+ }
+}
+
+#endif // __WXDEBUG__
+
+// process special middle clicks
+void wxWindowBase::OnMiddleClick( wxMouseEvent& event )
+{
+ if ( event.ControlDown() && event.AltDown() )
+ {
+#ifdef __WXDEBUG__
+ // Ctrl-Alt-Shift-mclick makes the sizers visible in debug builds
+ if ( event.ShiftDown() )
+ {
+ DrawSizers(this);
+ return;
+ }
+#endif // __WXDEBUG__
+
+#if wxUSE_MSGDLG
+ // don't translate these strings, they're for diagnostics purposes only
+ wxString msg;
+ msg.Printf(_T("wxWidgets Library (%s port)\n")
+ _T("Version %d.%d.%d%s%s, compiled at %s %s\n")
+ _T("Runtime version of toolkit used is %d.%d.%s\n")
+ _T("Copyright (c) 1995-2007 wxWidgets team"),
+ wxPlatformInfo::Get().GetPortIdName().c_str(),
+ wxMAJOR_VERSION,
+ wxMINOR_VERSION,
+ wxRELEASE_NUMBER,
+#if wxUSE_UNICODE
+ L" (Unicode)",
+#else
+ wxEmptyString,
+#endif
+#ifdef __WXDEBUG__
+ _T(" Debug build"),
+#else
+ wxEmptyString,
+#endif
+ __TDATE__,
+ __TTIME__,
+ wxPlatformInfo::Get().GetToolkitMajorVersion(),
+ wxPlatformInfo::Get().GetToolkitMinorVersion(),
+#ifdef __WXGTK__
+ wxString::Format(_T("\nThe compile-time GTK+ version is %d.%d.%d."), GTK_MAJOR_VERSION, GTK_MINOR_VERSION, GTK_MICRO_VERSION).c_str()
+#else
+ wxEmptyString
+#endif
+ );
+
+ wxMessageBox(msg, _T("wxWidgets information"),
+ wxICON_INFORMATION | wxOK,
+ (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_STL
+
+#include "wx/listimpl.cpp"
+WX_DEFINE_LIST(wxWindowList)
+
+#else // !wxUSE_STL
+
+void wxWindowListNode::DeleteData()
projects / wxWidgets.git / blobdiff