void wxBookCtrlBase::Init()
{
+ m_selection = wxNOT_FOUND;
m_bookctrl = NULL;
m_imageList = NULL;
m_ownsImageList = false;
// geometry
// ----------------------------------------------------------------------------
+void wxBookCtrlBase::DoInvalidateBestSize()
+{
+ // notice that it is not necessary to invalidate our own best size
+ // explicitly if we have m_bookctrl as it will already invalidate the best
+ // size of its parent when its own size is invalidated and its parent is
+ // this control
+ if ( m_bookctrl )
+ m_bookctrl->InvalidateBestSize();
+ else
+ wxControl::InvalidateBestSize();
+}
+
+wxSize wxBookCtrlBase::CalcSizeFromPage(const wxSize& sizePage) const
+{
+ // we need to add the size of the choice control and the border between
+ const wxSize sizeController = GetControllerSize();
+
+ wxSize size = sizePage;
+ if ( IsVertical() )
+ {
+ if ( sizeController.x > sizePage.x )
+ size.x = sizeController.x;
+ size.y += sizeController.y + GetInternalBorder();
+ }
+ else // left/right aligned
+ {
+ size.x += sizeController.x + GetInternalBorder();
+ if ( sizeController.y > sizePage.y )
+ size.y = sizeController.y;
+ }
+
+ return size;
+}
+
void wxBookCtrlBase::SetPageSize(const wxSize& size)
{
SetClientSize(CalcSizeFromPage(size));
return best;
}
-#if wxUSE_HELP
-void wxBookCtrlBase::OnHelp(wxHelpEvent& event)
-{
- // ignore the events not coming from the book control itself, otherwise we
- // could attempt to redirect a help event generated by one of our pages
- // back to the same page resulting in an infinite loop
- if ( event.GetEventObject() != this )
- {
- event.Skip();
- return;
- }
-
- // find the corresponding page
- wxWindow *page = NULL;
-
- if ( event.GetOrigin() == wxHelpEvent::Origin_HelpButton )
- {
- // show help for the page under the mouse
- const int pagePos = HitTest(ScreenToClient(event.GetPosition()));
-
- if ( pagePos != wxNOT_FOUND)
- {
- page = GetPage((size_t)pagePos);
- }
- }
-
- if ( !page )
- {
- page = GetCurrentPage();
- }
-
- if ( !page || !page->GetEventHandler()->ProcessEvent(event) )
- {
- event.Skip();
- }
-}
-#endif // wxUSE_HELP
-
-// ----------------------------------------------------------------------------
-// pages management
-// ----------------------------------------------------------------------------
-
-bool
-wxBookCtrlBase::InsertPage(size_t nPage,
- wxWindow *page,
- const wxString& WXUNUSED(text),
- bool WXUNUSED(bSelect),
- int WXUNUSED(imageId))
-{
- wxCHECK_MSG( page || AllowNullPage(), false,
- _T("NULL page in wxBookCtrlBase::InsertPage()") );
- wxCHECK_MSG( nPage <= m_pages.size(), false,
- _T("invalid page index in wxBookCtrlBase::InsertPage()") );
-
- m_pages.Insert(page, nPage);
- if ( page )
- page->SetSize(GetPageRect());
-
- InvalidateBestSize();
-
- return true;
-}
-
-bool wxBookCtrlBase::DeletePage(size_t nPage)
-{
- wxWindow *page = DoRemovePage(nPage);
- if ( !(page || AllowNullPage()) )
- return false;
-
- // delete NULL is harmless
- delete page;
-
- return true;
-}
-
-wxWindow *wxBookCtrlBase::DoRemovePage(size_t nPage)
-{
- wxCHECK_MSG( nPage < m_pages.size(), NULL,
- _T("invalid page index in wxBookCtrlBase::DoRemovePage()") );
-
- wxWindow *pageRemoved = m_pages[nPage];
- m_pages.RemoveAt(nPage);
- InvalidateBestSize();
-
- return pageRemoved;
-}
-
-int wxBookCtrlBase::GetNextPage(bool forward) const
-{
- int nPage;
-
- int nMax = GetPageCount();
- if ( nMax-- ) // decrement it to get the last valid index
- {
- int nSel = GetSelection();
-
- // change selection wrapping if it becomes invalid
- nPage = forward ? nSel == nMax ? 0
- : nSel + 1
- : nSel == 0 ? nMax
- : nSel - 1;
- }
- else // notebook is empty, no next page
- {
- nPage = wxNOT_FOUND;
- }
-
- return nPage;
-}
-
wxRect wxBookCtrlBase::GetPageRect() const
{
const wxSize size = GetControllerSize();
switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
{
default:
- wxFAIL_MSG( _T("unexpected alignment") );
+ wxFAIL_MSG( wxT("unexpected alignment") );
// fall through
case wxBK_TOP:
case wxBK_BOTTOM:
rectPage.height -= size.y + GetInternalBorder();
+ if (rectPage.height < 0)
+ rectPage.height = 0;
break;
case wxBK_LEFT:
case wxBK_RIGHT:
rectPage.width -= size.x + GetInternalBorder();
+ if (rectPage.width < 0)
+ rectPage.width = 0;
break;
}
sizeCtrl( GetControllerSize() );
m_bookctrl->SetClientSize( sizeCtrl.x - sizeBorder.x, sizeCtrl.y - sizeBorder.y );
+ // if this changes the visibility of the scrollbars the best size changes, relayout in this case
+ wxSize sizeCtrl2 = GetControllerSize();
+ if ( sizeCtrl != sizeCtrl2 )
+ {
+ wxSize sizeBorder2 = m_bookctrl->GetSize() - m_bookctrl->GetClientSize();
+ m_bookctrl->SetClientSize( sizeCtrl2.x - sizeBorder2.x, sizeCtrl2.y - sizeBorder2.y );
+ }
const wxSize sizeNew = m_bookctrl->GetSize();
wxPoint posCtrl;
switch ( GetWindowStyle() & wxBK_ALIGN_MASK )
{
default:
- wxFAIL_MSG( _T("unexpected alignment") );
+ wxFAIL_MSG( wxT("unexpected alignment") );
// fall through
case wxBK_TOP:
// resize all pages to fit the new control size
const wxRect pageRect = GetPageRect();
- const unsigned pagesCount = m_pages.Count();
+ const unsigned pagesCount = m_pages.GetCount();
for ( unsigned int i = 0; i < pagesCount; ++i )
{
wxWindow * const page = m_pages[i];
if ( !page )
{
wxASSERT_MSG( AllowNullPage(),
- _T("Null page in a control that does not allow null pages?") );
+ wxT("Null page in a control that does not allow null pages?") );
continue;
}
wxSize wxBookCtrlBase::GetControllerSize() const
{
- if(!m_bookctrl)
- return wxSize(0,0);
+ // For at least some book controls (e.g. wxChoicebook) it may make sense to
+ // (temporarily?) hide the controller and we shouldn't leave extra space
+ // for the hidden control in this case.
+ if ( !m_bookctrl || !m_bookctrl->IsShown() )
+ return wxSize(0, 0);
const wxSize sizeClient = GetClientSize(),
- sizeBorder = m_bookctrl->GetSize() - m_bookctrl->GetClientSize(),
- sizeCtrl = m_bookctrl->GetBestSize() + sizeBorder;
+ sizeCtrl = m_bookctrl->GetBestSize();
wxSize size;
return size;
}
+// ----------------------------------------------------------------------------
+// miscellaneous stuff
+// ----------------------------------------------------------------------------
+
+#if wxUSE_HELP
+
+void wxBookCtrlBase::OnHelp(wxHelpEvent& event)
+{
+ // determine where does this even originate from to avoid redirecting it
+ // back to the page which generated it (resulting in an infinite loop)
+
+ // notice that we have to check in the hard(er) way instead of just testing
+ // if the event object == this because the book control can have other
+ // subcontrols inside it (e.g. wxSpinButton in case of a notebook in wxUniv)
+ wxWindow *source = wxStaticCast(event.GetEventObject(), wxWindow);
+ while ( source && source != this && source->GetParent() != this )
+ {
+ source = source->GetParent();
+ }
+
+ if ( source && m_pages.Index(source) == wxNOT_FOUND )
+ {
+ // this event is for the book control itself, redirect it to the
+ // corresponding page
+ wxWindow *page = NULL;
+
+ if ( event.GetOrigin() == wxHelpEvent::Origin_HelpButton )
+ {
+ // show help for the page under the mouse
+ const int pagePos = HitTest(ScreenToClient(event.GetPosition()));
+
+ if ( pagePos != wxNOT_FOUND)
+ {
+ page = GetPage((size_t)pagePos);
+ }
+ }
+ else // event from keyboard or unknown source
+ {
+ // otherwise show the current page help
+ page = GetCurrentPage();
+ }
+
+ if ( page )
+ {
+ // change event object to the page to avoid infinite recursion if
+ // we get this event ourselves if the page doesn't handle it
+ event.SetEventObject(page);
+
+ if ( page->GetEventHandler()->ProcessEvent(event) )
+ {
+ // don't call event.Skip()
+ return;
+ }
+ }
+ }
+ //else: event coming from one of our pages already
+
+ event.Skip();
+}
+
+#endif // wxUSE_HELP
+
+// ----------------------------------------------------------------------------
+// pages management
+// ----------------------------------------------------------------------------
+
+bool
+wxBookCtrlBase::InsertPage(size_t nPage,
+ wxWindow *page,
+ const wxString& WXUNUSED(text),
+ bool WXUNUSED(bSelect),
+ int WXUNUSED(imageId))
+{
+ wxCHECK_MSG( page || AllowNullPage(), false,
+ wxT("NULL page in wxBookCtrlBase::InsertPage()") );
+ wxCHECK_MSG( nPage <= m_pages.size(), false,
+ wxT("invalid page index in wxBookCtrlBase::InsertPage()") );
+
+ m_pages.Insert(page, nPage);
+ if ( page )
+ page->SetSize(GetPageRect());
+
+ DoInvalidateBestSize();
+
+ return true;
+}
+
+bool wxBookCtrlBase::DeletePage(size_t nPage)
+{
+ wxWindow *page = DoRemovePage(nPage);
+ if ( !(page || AllowNullPage()) )
+ return false;
+
+ // delete NULL is harmless
+ delete page;
+
+ return true;
+}
+
+wxWindow *wxBookCtrlBase::DoRemovePage(size_t nPage)
+{
+ wxCHECK_MSG( nPage < m_pages.size(), NULL,
+ wxT("invalid page index in wxBookCtrlBase::DoRemovePage()") );
+
+ wxWindow *pageRemoved = m_pages[nPage];
+ m_pages.RemoveAt(nPage);
+ DoInvalidateBestSize();
+
+ return pageRemoved;
+}
+
+int wxBookCtrlBase::GetNextPage(bool forward) const
+{
+ int nPage;
+
+ int nMax = GetPageCount();
+ if ( nMax-- ) // decrement it to get the last valid index
+ {
+ int nSel = GetSelection();
+
+ // change selection wrapping if it becomes invalid
+ nPage = forward ? nSel == nMax ? 0
+ : nSel + 1
+ : nSel == 0 ? nMax
+ : nSel - 1;
+ }
+ else // notebook is empty, no next page
+ {
+ nPage = wxNOT_FOUND;
+ }
+
+ return nPage;
+}
+
+bool wxBookCtrlBase::DoSetSelectionAfterInsertion(size_t n, bool bSelect)
+{
+ if ( bSelect )
+ SetSelection(n);
+ else if ( m_selection == wxNOT_FOUND )
+ ChangeSelection(0);
+ else // We're not going to select this page.
+ return false;
+
+ // Return true to indicate that we selected this page.
+ return true;
+}
+
+int wxBookCtrlBase::DoSetSelection(size_t n, int flags)
+{
+ wxCHECK_MSG( n < GetPageCount(), wxNOT_FOUND,
+ wxT("invalid page index in wxBookCtrlBase::DoSetSelection()") );
+
+ const int oldSel = GetSelection();
+
+ if ( n != (size_t)oldSel )
+ {
+ wxBookCtrlEvent *event = CreatePageChangingEvent();
+ bool allowed = false;
+
+ if ( flags & SetSelection_SendEvent )
+ {
+ event->SetSelection(n);
+ event->SetOldSelection(oldSel);
+ event->SetEventObject(this);
+
+ allowed = !GetEventHandler()->ProcessEvent(*event) || event->IsAllowed();
+ }
+
+ if ( !(flags & SetSelection_SendEvent) || allowed)
+ {
+ if ( oldSel != wxNOT_FOUND )
+ m_pages[oldSel]->Hide();
+
+ wxWindow *page = m_pages[n];
+ page->SetSize(GetPageRect());
+ page->Show();
+
+ // change selection now to ignore the selection change event
+ UpdateSelectedPage(n);
+
+ if ( flags & SetSelection_SendEvent )
+ {
+ // program allows the page change
+ MakeChangedEvent(*event);
+ (void)GetEventHandler()->ProcessEvent(*event);
+ }
+ }
+
+ delete event;
+ }
+
+ return oldSel;
+}
+
+IMPLEMENT_DYNAMIC_CLASS(wxBookCtrlEvent, wxNotifyEvent)
+
#endif // wxUSE_BOOKCTRL
projects / wxWidgets.git / blobdiff