// NB: if this code is changed, wxGetWindowForHWND() which relies on having the // radiobox pointer in GWL_USERDATA for radio buttons must be updated too! void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn) { HWND hwndBtn = (HWND)hWndBtn; if ( !s_wndprocRadioBtn ) s_wndprocRadioBtn = (WXFARPROC)wxGetWindowProc(hwndBtn); wxSetWindowProc(hwndBtn, wxRadioBtnWndProc); wxSetWindowUserData(hwndBtn, this); }
// NB: if this code is changed, wxGetWindowForHWND() which relies on having the // radiobox pointer in GWL_USERDATA for radio buttons must be updated too! void wxRadioBox::SubclassRadioButton(WXHWND hWndBtn) { HWND hwndBtn = (HWND)hWndBtn; if ( !s_wndprocRadioBtn ) s_wndprocRadioBtn = (WXFARPROC)wxGetWindowProc(hwndBtn); wxSetWindowProc(hwndBtn, wxRadioBtnWndProc); gs_boxFromButton[hwndBtn] = this; }
void wxNotebook::OnSize(wxSizeEvent& event) { 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(); }