+ if ( GetPageCount() == 0 )
+ {
+ // Prevents droppings on resize, but does cause some flicker
+ // when there are no pages.
+ Refresh();
+ event.Skip();
+ return;
+ }
+#ifndef __WXWINCE__
+ else
+ {
+ // Without this, we can sometimes get droppings at the edges
+ // of a notebook, for example a notebook in a splitter window.
+ // This needs to be reconciled with the RefreshRect calls
+ // at the end of this function, which weren't enough to prevent
+ // the droppings.
+
+ wxSize sz = GetClientSize();
+
+ // Refresh right side
+ wxRect rect(sz.x-4, 0, 4, sz.y);
+ RefreshRect(rect);
+
+ // Refresh bottom side
+ rect = wxRect(0, sz.y-4, sz.x, 4);
+ RefreshRect(rect);
+
+ // Refresh left side
+ rect = wxRect(0, 0, 4, sz.y);
+ RefreshRect(rect);
+ }
+#endif // !__WXWINCE__
+
+ // fit all the notebook pages to the tab control's display area
+
+ RECT rc;
+ rc.left = rc.top = 0;
+ GetSize((int *)&rc.right, (int *)&rc.bottom);
+
+ // save the total size, we'll use it below
+ int widthNbook = rc.right - rc.left,
+ heightNbook = rc.bottom - rc.top;
+
+ // there seems to be a bug in the implementation of TabCtrl_AdjustRect(): it
+ // returns completely false values for multiline tab controls after the tabs
+ // are added but before getting the first WM_SIZE (off by ~50 pixels, see
+ //
+ // http://sf.net/tracker/index.php?func=detail&aid=645323&group_id=9863&atid=109863
+ //
+ // and the only work around I could find was this ugly hack... without it
+ // simply toggling the "multiline" checkbox in the notebook sample resulted
+ // in a noticeable page displacement
+ if ( HasFlag(wxNB_MULTILINE) )
+ {
+ // avoid an infinite recursion: we get another notification too!
+ static bool s_isInOnSize = false;
+
+ if ( !s_isInOnSize )
+ {
+ s_isInOnSize = true;
+ SendMessage(GetHwnd(), WM_SIZE, SIZE_RESTORED,
+ MAKELPARAM(rc.right, rc.bottom));
+ s_isInOnSize = false;
+ }
+
+ // The best size depends on the number of rows of tabs, which can
+ // change when the notepad is resized.
+ InvalidateBestSize();
+ }
+
+#if wxUSE_UXTHEME
+ // background bitmap size has changed, update the brush using it too
+ UpdateBgBrush();
+#endif // wxUSE_UXTHEME
+
+ TabCtrl_AdjustRect(GetHwnd(), false, &rc);
+
+ int width = rc.right - rc.left,
+ height = rc.bottom - rc.top;
+ size_t nCount = m_pages.Count();
+ for ( size_t nPage = 0; nPage < nCount; nPage++ ) {
+ wxNotebookPage *pPage = m_pages[nPage];
+ pPage->SetSize(rc.left, rc.top, width, height);
+ }
+
+
+ // unless we had already repainted everything, we now need to refresh
+ if ( !HasFlag(wxFULL_REPAINT_ON_RESIZE) )
+ {
+ // invalidate areas not covered by pages
+ RefreshRect(wxRect(0, 0, widthNbook, rc.top), false);
+ RefreshRect(wxRect(0, rc.top, rc.left, height), false);
+ RefreshRect(wxRect(0, rc.bottom, widthNbook, heightNbook - rc.bottom),
+ false);
+ RefreshRect(wxRect(rc.right, rc.top, widthNbook - rc.right, height),
+ false);
+ }
+
+#if USE_NOTEBOOK_ANTIFLICKER
+ // subclass the spin control used by the notebook to scroll pages to
+ // prevent it from flickering on resize
+ if ( !m_hasSubclassedUpdown )
+ {
+ // iterate over all child windows to find spin button
+ for ( HWND child = ::GetWindow(GetHwnd(), GW_CHILD);
+ child;
+ child = ::GetWindow(child, GW_HWNDNEXT) )
+ {
+ wxWindow *childWindow = wxFindWinFromHandle((WXHWND)child);
+
+ // see if it exists, if no wxWindow found then assume it's the spin
+ // btn
+ if ( !childWindow )
+ {
+ // subclass the spin button to override WM_ERASEBKGND
+ if ( !gs_wndprocNotebookSpinBtn )
+ gs_wndprocNotebookSpinBtn = (WXFARPROC)wxGetWindowProc(child);
+
+ wxSetWindowProc(child, wxNotebookSpinBtnWndProc);
+ m_hasSubclassedUpdown = true;
+ break;
+ }
+ }
+ }
+
+ // Probably because of the games we play above to avoid flicker sometimes
+ // the text controls inside notebook pages are not shown correctly (they
+ // don't have their borders) when the notebook is shown for the first time.
+ // It's not really clear why does this happen and maybe the bug is in
+ // wxTextCtrl itself and not here but updating the page when it's about to
+ // be shown doesn't cost much and works around the problem so do it here
+ // for now.
+ if ( !m_doneUpdateHack && IsShownOnScreen() )
+ {
+ m_doneUpdateHack = true;
+ wxWindow* const page = GetCurrentPage();
+ if ( page )
+ page->Update();
+ }
+#endif // USE_NOTEBOOK_ANTIFLICKER
+
+ event.Skip();
+}
+
+void wxNotebook::OnNavigationKey(wxNavigationKeyEvent& event)
+{
+ if ( event.IsWindowChange() ) {
+ // change pages
+ AdvanceSelection(event.GetDirection());
+ }
+ else {
+ // we get this event in 3 cases
+ //
+ // a) one of our pages might have generated it because the user TABbed
+ // out from it in which case we should propagate the event upwards and
+ // our parent will take care of setting the focus to prev/next sibling
+ //
+ // or
+ //
+ // b) the parent panel wants to give the focus to us so that we
+ // forward it to our selected page. We can't deal with this in
+ // OnSetFocus() because we don't know which direction the focus came
+ // from in this case and so can't choose between setting the focus to
+ // first or last panel child
+ //
+ // or
+ //
+ // c) we ourselves (see MSWTranslateMessage) generated the event
+ //
+ wxWindow * const parent = GetParent();
+
+ // the wxObject* casts are required to avoid MinGW GCC 2.95.3 ICE
+ const bool isFromParent = event.GetEventObject() == (wxObject*) parent;
+ const bool isFromSelf = event.GetEventObject() == (wxObject*) this;
+ const bool isForward = event.GetDirection();
+
+ if ( isFromSelf && !isForward )
+ {
+ // focus is currently on notebook tab and should leave
+ // it backwards (Shift-TAB)
+ event.SetCurrentFocus(this);
+ parent->HandleWindowEvent(event);
+ }
+ else if ( isFromParent || isFromSelf )
+ {
+ // no, it doesn't come from child, case (b) or (c): forward to a
+ // page but only if entering notebook page (i.e. direction is
+ // backwards (Shift-TAB) comething from out-of-notebook, or
+ // direction is forward (TAB) from ourselves),
+ if ( m_selection != wxNOT_FOUND &&
+ (!event.GetDirection() || isFromSelf) )
+ {
+ // so that the page knows that the event comes from it's parent
+ // and is being propagated downwards
+ event.SetEventObject(this);
+
+ wxWindow *page = m_pages[m_selection];
+ if ( !page->HandleWindowEvent(event) )
+ {
+ page->SetFocus();
+ }
+ //else: page manages focus inside it itself
+ }
+ else // otherwise set the focus to the notebook itself
+ {
+ SetFocus();
+ }
+ }
+ else
+ {
+ // it comes from our child, case (a), pass to the parent, but only
+ // if the direction is forwards. Otherwise set the focus to the
+ // notebook itself. The notebook is always the 'first' control of a
+ // page.
+ if ( !isForward )
+ {
+ SetFocus();
+ }
+ else if ( parent )
+ {
+ event.SetCurrentFocus(this);
+ parent->HandleWindowEvent(event);
+ }
+ }
+ }
+}
projects / wxWidgets.git / blobdiff