const wxCoord MARGIN = 5;
// ----------------------------------------------------------------------------
-// various wxWindows macros
+// various wxWidgets macros
+// ----------------------------------------------------------------------------
+
+// check that the page index is valid
+#define IS_VALID_PAGE(nPage) ((nPage) < GetPageCount())
+
+// ----------------------------------------------------------------------------
+// event table
// ----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxListbook, wxControl)
m_line = new wxStaticLine
(
this,
- -1,
+ wxID_ANY,
wxDefaultPosition,
wxDefaultSize,
IsVertical() ? wxLI_HORIZONTAL : wxLI_VERTICAL
}
#endif // wxUSE_LINE_IN_LISTBOOK
- // we should always have some selection if possible
- if ( m_selection == wxNOT_FOUND && GetPageCount() )
- {
- SetSelection(0);
- }
-
- if ( m_selection != wxNOT_FOUND )
+ // resize the currently shown page
+ if (m_selection != wxNOT_FOUND )
{
wxWindow *page = m_pages[m_selection];
wxCHECK_RET( page, _T("NULL page in wxListbook?") );
-
page->SetSize(GetPageRect());
- if ( !page->IsShown() )
- {
- page->Show();
}
- }
}
wxSize wxListbook::CalcSizeFromPage(const wxSize& sizePage) const
int wxListbook::SetSelection(size_t n)
{
- wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND,
- _T("invalid page index in wxListbook::SetSelection()") );
+ wxCHECK_MSG( IS_VALID_PAGE(n), wxNOT_FOUND,
+ wxT("invalid page index in wxListbook::SetSelection()") );
- int selOld = m_selection;
+ const int oldSel = m_selection;
- if ( (int)n != m_selection )
+ if ( int(n) != m_selection )
{
- m_selection = n;
+ wxListbookEvent event(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGING, m_windowId);
+ event.SetSelection(n);
+ event.SetOldSelection(m_selection);
+ event.SetEventObject(this);
+ if ( !GetEventHandler()->ProcessEvent(event) || event.IsAllowed() )
+ {
+ if ( m_selection != wxNOT_FOUND )
+ m_pages[m_selection]->Hide();
- m_list->Select(m_selection);
- m_list->Focus(m_selection);
+ wxWindow *page = m_pages[n];
+ page->SetSize(GetPageRect());
+ page->Show();
+
+ m_selection = n;
+ m_list->Select(n);
+ m_list->Focus(n);
+
+ // program allows the page change
+ event.SetEventType(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED);
+ (void)GetEventHandler()->ProcessEvent(event);
+ }
}
- return selOld;
+ return oldSel;
}
-
// ----------------------------------------------------------------------------
// adding/removing the pages
// ----------------------------------------------------------------------------
m_list->InsertItem(n, text, imageId);
- if ( bSelect )
+ // we should always have some selection if possible
+ if ( bSelect || (m_selection == wxNOT_FOUND) )
{
- m_list->Select(n);
- m_list->Focus(n);
+ SetSelection(n);
}
else // don't select this page
{
page->Hide();
}
+ InvalidateBestSize();
return true;
}
wxWindow *wxListbook::DoRemovePage(size_t page)
{
+ const int page_count = GetPageCount();
wxWindow *win = wxBookCtrl::DoRemovePage(page);
+
if ( win )
{
m_list->DeleteItem(page);
+
+ if (m_selection >= (int)page)
+ {
+ // force new sel valid if possible
+ int sel = m_selection - 1;
+ if (page_count == 1)
+ sel = wxNOT_FOUND;
+ else if ((page_count == 2) || (sel == -1))
+ sel = 0;
+
+ // force sel invalid if deleting current page - don't try to hide it
+ m_selection = (m_selection == (int)page) ? wxNOT_FOUND : m_selection - 1;
+
+ if ((sel != wxNOT_FOUND) && (sel != m_selection))
+ SetSelection(sel);
+ }
}
return win;
}
+
+bool wxListbook::DeleteAllPages()
+{
+ m_list->DeleteAllItems();
+ return wxBookCtrl::DeleteAllPages();
+}
+
// ----------------------------------------------------------------------------
// wxListbook events
// ----------------------------------------------------------------------------
void wxListbook::OnListSelected(wxListEvent& eventList)
{
const int selNew = eventList.GetIndex();
+ const int selOld = m_selection;
if ( selNew == m_selection )
{
eventIng.SetEventObject(this);
eventIng.SetSelection(selNew);
- eventIng.SetOldSelection(m_selection);
+ eventIng.SetOldSelection(selOld);
if ( GetEventHandler()->ProcessEvent(eventIng) && !eventIng.IsAllowed() )
{
m_list->Select(m_selection);
}
// change allowed: do change the page and notify the user about it
- if ( m_selection != wxNOT_FOUND )
- m_pages[m_selection]->Hide();
- wxWindow *page = m_pages[m_selection = selNew];
- page->SetSize(GetPageRect());
- page->Show();
+ SetSelection(selNew);
wxListbookEvent eventEd(wxEVT_COMMAND_LISTBOOK_PAGE_CHANGED, GetId());
eventEd.SetEventObject(this);
eventEd.SetSelection(selNew);
- eventEd.SetOldSelection(m_selection);
+ eventEd.SetOldSelection(selOld);
(void)GetEventHandler()->ProcessEvent(eventEd);
}