#endif
}
+bool wxWindowBase::IsBeingDeleted() const
+{
+ return m_isBeingDeleted ||
+ (!IsTopLevel() && m_parent && m_parent->IsBeingDeleted());
+}
+
void wxWindowBase::SendDestroyEvent()
{
wxWindowDestroyEvent event;
// 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)
+static int wxGetMetricOrDefault(wxSystemMetric what, const wxWindowBase* win)
{
- int rc = wxSystemSettings::GetMetric(what);
+ int rc = wxSystemSettings::GetMetric(
+ what, static_cast<wxWindow*>(const_cast<wxWindowBase*>(win)));
if ( rc == -1 )
{
switch ( what )
case wxBORDER_SIMPLE:
case wxBORDER_STATIC:
- size.x = wxGetMetricOrDefault(wxSYS_BORDER_X);
- size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y);
+ size.x = wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+ size.y = wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
break;
case wxBORDER_SUNKEN:
case wxBORDER_RAISED:
- size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X),
- wxGetMetricOrDefault(wxSYS_BORDER_X));
- size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y),
- wxGetMetricOrDefault(wxSYS_BORDER_Y));
+ size.x = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_X, this),
+ wxGetMetricOrDefault(wxSYS_BORDER_X, this));
+ size.y = wxMax(wxGetMetricOrDefault(wxSYS_EDGE_Y, this),
+ wxGetMetricOrDefault(wxSYS_BORDER_Y, this));
break;
case wxBORDER_DOUBLE:
- size.x = wxGetMetricOrDefault(wxSYS_EDGE_X) +
- wxGetMetricOrDefault(wxSYS_BORDER_X);
- size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y) +
- wxGetMetricOrDefault(wxSYS_BORDER_Y);
+ size.x = wxGetMetricOrDefault(wxSYS_EDGE_X, this) +
+ wxGetMetricOrDefault(wxSYS_BORDER_X, this);
+ size.y = wxGetMetricOrDefault(wxSYS_EDGE_Y, this) +
+ wxGetMetricOrDefault(wxSYS_BORDER_Y, this);
break;
default:
GetChildren().Append((wxWindow*)child);
child->SetParent(this);
- // adding a child while frozen will assert when thawn, so freeze it as if
+ // adding a child while frozen will assert when thawed, so freeze it as if
// it had been already present when we were frozen
if ( IsFrozen() && !child->IsTopLevel() )
child->Freeze();
// removing a child while frozen may result in permanently frozen window
// if used e.g. from Reparent(), so thaw it
- if ( IsFrozen() && !child->IsTopLevel() )
+ //
+ // NB: IsTopLevel() doesn't return true any more when a TLW child is being
+ // removed from its ~wxWindowBase, so check for IsBeingDeleted() too
+ if ( IsFrozen() && !child->IsBeingDeleted() && !child->IsTopLevel() )
child->Thaw();
GetChildren().DeleteObject((wxWindow *)child);
gs_popupMenuSelection = event.GetId();
}
+void wxWindowBase::InternalOnPopupMenuUpdate(wxUpdateUIEvent& WXUNUSED(event))
+{
+ // nothing to do but do not skip it
+}
+
int
wxWindowBase::DoGetPopupMenuSelectionFromUser(wxMenu& menu, int x, int y)
{
NULL,
this);
+ // it is common to construct the menu passed to this function dynamically
+ // using some fixed range of ids which could clash with the ids used
+ // elsewhere in the program, which could result in some menu items being
+ // unintentionally disabled or otherwise modified by update UI handlers
+ // elsewhere in the program code and this is difficult to avoid in the
+ // program itself, so instead we just temporarily suspend UI updating while
+ // this menu is shown
+ Connect(wxEVT_UPDATE_UI,
+ wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+ NULL,
+ this);
+
PopupMenu(&menu, x, y);
+ Disconnect(wxEVT_UPDATE_UI,
+ wxUpdateUIEventHandler(wxWindowBase::InternalOnPopupMenuUpdate),
+ NULL,
+ this);
Disconnect(wxEVT_COMMAND_MENU_SELECTED,
wxCommandEventHandler(wxWindowBase::InternalOnPopupMenu),
NULL,
void wxWindowBase::CaptureMouse()
{
- wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), wx_static_cast(void*, this));
+ wxLogTrace(_T("mousecapture"), _T("CaptureMouse(%p)"), static_cast<void*>(this));
wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive CaptureMouse call?") );
void wxWindowBase::ReleaseMouse()
{
- wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), wx_static_cast(void*, this));
+ wxLogTrace(_T("mousecapture"), _T("ReleaseMouse(%p)"), static_cast<void*>(this));
wxASSERT_MSG( !ms_winCaptureChanging, _T("recursive ReleaseMouse call?") );
- wxASSERT_MSG( GetCapture() == this, wxT("attempt to release mouse, but this window hasn't captured it") );
+ wxASSERT_MSG( GetCapture() == this,
+ "attempt to release mouse, but this window hasn't captured it" );
+ wxASSERT_MSG( ms_winCaptureCurrent == this,
+ "attempt to release mouse, but this window hasn't captured it" );
ms_winCaptureChanging = true;
wxLogTrace(_T("mousecapture"),
(const wxChar *) _T("After ReleaseMouse() mouse is captured by %p"),
- wx_static_cast(void*, GetCapture()));
+ static_cast<void*>(GetCapture()));
}
static void DoNotifyWindowAboutCaptureLost(wxWindow *win)
// is receiving the event
if ( event.GetEventObject() == this )
{
- wxValidator *validator = GetValidator();
- if ( validator && validator->ProcessEvent(event) )
+ wxValidator * const validator = GetValidator();
+ if ( validator && validator->ProcessEventHere(event) )
{
return true;
}
win == wxConstCast(this, wxWindowBase)->GetMainWindowOfCompositeControl();
}
+// ----------------------------------------------------------------------------
+// drag and drop
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP && !defined(__WXMSW__)
+
+namespace
+{
+
+class DragAcceptFilesTarget : public wxFileDropTarget
+{
+public:
+ DragAcceptFilesTarget(wxWindowBase *win) : m_win(win) {}
+
+ virtual bool OnDropFiles(wxCoord x, wxCoord y,
+ const wxArrayString& filenames)
+ {
+ wxDropFilesEvent event(wxEVT_DROP_FILES,
+ filenames.size(),
+ wxCArrayString(filenames).Release());
+ event.SetEventObject(m_win);
+ event.m_pos.x = x;
+ event.m_pos.y = y;
+
+ return m_win->HandleWindowEvent(event);
+ }
+
+private:
+ wxWindowBase * const m_win;
+
+ DECLARE_NO_COPY_CLASS(DragAcceptFilesTarget)
+};
+
+
+} // anonymous namespace
+
+// Generic version of DragAcceptFiles(). It works by installing a simple
+// wxFileDropTarget-to-EVT_DROP_FILES adaptor and therefore cannot be used
+// together with explicit SetDropTarget() calls.
+void wxWindowBase::DragAcceptFiles(bool accept)
+{
+ if ( accept )
+ {
+ wxASSERT_MSG( !GetDropTarget(),
+ "cannot use DragAcceptFiles() and SetDropTarget() together" );
+ SetDropTarget(new DragAcceptFilesTarget(this));
+ }
+ else
+ {
+ SetDropTarget(NULL);
+ }
+}
+
+#endif // wxUSE_DRAG_AND_DROP && !defined(__WXMSW__)
+
// ----------------------------------------------------------------------------
// global functions
// ----------------------------------------------------------------------------
projects / wxWidgets.git / blobdiff