// 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();
}
