LRESULT CMultiLineEditCanvasWnd::OnEditChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
if( m_pOwner == NULL ) return 0;
// Rearrange the scrollbar
int nLineCount = Edit_GetLineCount(m_pOwner->m_pWindow->GetHWND());
if ((nLineCount > 0) && (m_pOwner->m_pWindow->GetVerticalScrollbar() != NULL))
{
SCROLLINFO si = {0};
si.cbSize = sizeof(SCROLLINFO);
si.fMask = SIF_ALL;
if (GetScrollInfo(m_pOwner->m_pWindow->GetHWND(), SB_VERT, &si))
{
m_pOwner->m_pWindow->GetVerticalScrollbar()->SetEnabled((si.nMax >= static_cast<int>(si.nPage)));
m_pOwner->m_pWindow->GetVerticalScrollbar()->SetScrollRange(si.nMax - si.nMin);
m_pOwner->m_pWindow->GetVerticalScrollbar()->SetScrollPos(si.nPos);
}
}
// Copy text back
int cchLen = ::GetWindowTextLength(m_pOwner->m_pWindow->GetHWND()) + 1;
LPTSTR pstr = static_cast<LPTSTR>(_alloca(cchLen * sizeof(TCHAR)));
ASSERT(pstr);
::GetWindowText(m_pOwner->m_pWindow->GetHWND(), pstr, cchLen);
m_pOwner->m_sText = pstr;
m_pOwner->GetManager()->SendNotify(m_pOwner, _T("textchanged"));
return 0;
}
LRESULT CMultiLineEditWnd::OnEditChanged(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
{
if( m_pOwner == NULL ) return 0;
// Copy text back
int cchLen = ::GetWindowTextLength(m_hWnd) + 1;
LPTSTR pstr = static_cast<LPTSTR>(_alloca(cchLen * sizeof(TCHAR)));
ASSERT(pstr);
::GetWindowText(m_hWnd, pstr, cchLen);
m_pOwner->m_sText = pstr;
m_pOwner->GetManager()->SendNotify(m_pOwner, _T("changed"));
return 0;
}
LRESULT CMultiLineEditWnd::OnSize(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& bHandled)
{
SCROLLINFO vsi = {0};
vsi.cbSize = sizeof(SCROLLINFO);
vsi.fMask = SIF_ALL;
SCROLLINFO hsi = {0};
hsi.cbSize = sizeof(SCROLLINFO);
hsi.fMask = SIF_ALL;
if ((m_pOwner != NULL) && (m_pOwner->GetManager() != NULL) && GetScrollInfo(m_pOwner->m_pWindow->GetHWND(), SB_VERT, &vsi))
{
m_pVScrollBar = static_cast<CScrollbarUI*>(m_pOwner->GetManager()->FindControl(_T("vEditScrollbar")));
m_pHScrollBar = static_cast<CScrollbarUI*>(m_pOwner->GetManager()->FindControl(_T("hEditScrollbar")));
if (m_pVScrollBar != NULL)
{
m_pVScrollBar->SetNotifier(m_pOwner);
m_pVScrollBar->SetEnabled(vsi.nMax >= static_cast<int>(vsi.nPage));
m_pVScrollBar->SetScrollRange(vsi.nMax - vsi.nMin);
m_pVScrollBar->SetScrollPos(vsi.nPos);
}
if ((m_pHScrollBar != NULL) && GetScrollInfo(m_pOwner->m_pWindow->GetHWND(), SB_VERT, &hsi))
{
m_pHScrollBar->SetNotifier(m_pOwner);
m_pVScrollBar->SetEnabled(hsi.nMax >= static_cast<int>(hsi.nPage));
m_pHScrollBar->SetScrollRange(hsi.nMax - hsi.nMin);
m_pHScrollBar->SetScrollPos(hsi.nPos);
}
m_pOwner->SetScrollRange(CSize(hsi.nMax - hsi.nMin, vsi.nMax - vsi.nMin));
}
bHandled = FALSE;
return 0;
}