+bool wxControlContainerBase::SetFocusToChild()
+{
+ return wxSetFocusToChild(m_winParent, &m_winLastFocused);
+}
+
+#ifndef wxHAS_NATIVE_TAB_TRAVERSAL
+
+// ----------------------------------------------------------------------------
+// generic wxControlContainer
+// ----------------------------------------------------------------------------
+
+wxControlContainer::wxControlContainer()
+{
+ m_winLastFocused = NULL;
+}
+
+void wxControlContainer::SetLastFocus(wxWindow *win)
+{
+ // the panel itself should never get the focus at all but if it does happen
+ // temporarily (as it seems to do under wxGTK), at the very least don't
+ // forget our previous m_winLastFocused
+ if ( win != m_winParent )
+ {
+ // if we're setting the focus
+ if ( win )
+ {
+ // find the last _immediate_ child which got focus
+ wxWindow *winParent = win;
+ while ( winParent != m_winParent )
+ {
+ win = winParent;
+ winParent = win->GetParent();
+
+ // Yes, this can happen, though in a totally pathological case.
+ // like when detaching a menubar from a frame with a child
+ // which has pushed itself as an event handler for the menubar.
+ // (under wxGTK)
+
+ wxASSERT_MSG( winParent,
+ wxT("Setting last focus for a window that is not our child?") );
+ }
+ }
+
+ m_winLastFocused = win;
+
+ if ( win )
+ {
+ wxLogTrace(TRACE_FOCUS, wxT("Set last focus to %s(%s)"),
+ win->GetClassInfo()->GetClassName(),
+ win->GetLabel().c_str());
+ }
+ else
+ {
+ wxLogTrace(TRACE_FOCUS, wxT("No more last focus"));
+ }
+ }
+
+ // propagate the last focus upwards so that our parent can set focus back
+ // to us if it loses it now and regains later; do *not* do this if we are
+ // a toplevel window (e.g. wxDialog) that has another frame as its parent
+ if ( !m_winParent->IsTopLevel() )
+ {
+ wxWindow *parent = m_winParent->GetParent();
+ if ( parent )
+ {
+ wxChildFocusEvent eventFocus(m_winParent);
+ parent->GetEventHandler()->ProcessEvent(eventFocus);
+ }
+ }
+}
+
+// --------------------------------------------------------------------
+// The following four functions are used to find other radio buttons
+// within the same group. Used by wxSetFocusToChild on wxMSW
+// --------------------------------------------------------------------
+
+#if defined(__WXMSW__) && wxUSE_RADIOBTN
+
+wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn)
+{
+ if ( btn->HasFlag(wxRB_GROUP) || btn->HasFlag(wxRB_SINGLE) )
+ return NULL;
+
+ const wxWindowList& siblings = btn->GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator nodeThis = siblings.Find(btn);
+ wxCHECK_MSG( nodeThis, NULL, wxT("radio button not a child of its parent?") );
+
+ // Iterate over all previous siblings until we find the next radio button
+ wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious();
+ wxRadioButton *prevBtn = 0;
+ while (nodeBefore)
+ {
+ prevBtn = wxDynamicCast(nodeBefore->GetData(), wxRadioButton);
+ if (prevBtn)
+ break;
+
+ nodeBefore = nodeBefore->GetPrevious();
+ }
+
+ if (!prevBtn || prevBtn->HasFlag(wxRB_SINGLE))
+ {
+ // no more buttons in group
+ return NULL;
+ }
+
+ return prevBtn;
+}
+
+wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn)
+{
+ if (btn->HasFlag(wxRB_SINGLE))
+ return NULL;
+
+ const wxWindowList& siblings = btn->GetParent()->GetChildren();
+ wxWindowList::compatibility_iterator nodeThis = siblings.Find(btn);
+ wxCHECK_MSG( nodeThis, NULL, wxT("radio button not a child of its parent?") );
+
+ // Iterate over all previous siblings until we find the next radio button
+ wxWindowList::compatibility_iterator nodeNext = nodeThis->GetNext();
+ wxRadioButton *nextBtn = 0;
+ while (nodeNext)
+ {
+ nextBtn = wxDynamicCast(nodeNext->GetData(), wxRadioButton);
+ if (nextBtn)
+ break;
+
+ nodeNext = nodeNext->GetNext();
+ }
+
+ if ( !nextBtn || nextBtn->HasFlag(wxRB_GROUP) || nextBtn->HasFlag(wxRB_SINGLE) )
+ {
+ // no more buttons or the first button of the next group
+ return NULL;
+ }
+
+ return nextBtn;
+}
+
+wxRadioButton* wxGetFirstButtonInGroup(wxRadioButton *btn)
+{
+ while (true)
+ {
+ wxRadioButton* prevBtn = wxGetPreviousButtonInGroup(btn);
+ if (!prevBtn)
+ return btn;
+
+ btn = prevBtn;
+ }
+}
+
+wxRadioButton* wxGetLastButtonInGroup(wxRadioButton *btn)
+{
+ while (true)
+ {
+ wxRadioButton* nextBtn = wxGetNextButtonInGroup(btn);
+ if (!nextBtn)
+ return btn;
+
+ btn = nextBtn;
+ }
+}
+
+wxRadioButton* wxGetSelectedButtonInGroup(wxRadioButton *btn)
+{
+ // Find currently selected button
+ if (btn->GetValue())
+ return btn;
+
+ if (btn->HasFlag(wxRB_SINGLE))
+ return NULL;
+
+ wxRadioButton *selBtn;
+
+ // First check all previous buttons
+ for (selBtn = wxGetPreviousButtonInGroup(btn); selBtn; selBtn = wxGetPreviousButtonInGroup(selBtn))
+ if (selBtn->GetValue())
+ return selBtn;
+
+ // Now all following buttons
+ for (selBtn = wxGetNextButtonInGroup(btn); selBtn; selBtn = wxGetNextButtonInGroup(selBtn))
+ if (selBtn->GetValue())
+ return selBtn;
+
+ return NULL;
+}
+
+#endif // __WXMSW__
+
projects / wxWidgets.git / blobdiff