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fixed SetSelection() (and hence SetInsertionPoint()) behaviour when using richedit 3.0 with wxTE_RICH2 style and the control doesn't have focus

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@18359 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2002-12-20 00:18:35 +00:00
parent c76b1a30fa
commit 98e19a5863
1 changed files with 30 additions and 0 deletions
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30
src/msw/textctrl.cpp
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@@ -1006,6 +1006,26 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
#if wxUSE_RICHEDIT #if wxUSE_RICHEDIT
if ( IsRich() ) if ( IsRich() )
{ {
// richedit 3.0 (i.e. the version living in riched20.dll distributed
// with Windows 2000 and beyond) doesn't honour EM_SCROLLCARET when
// emulating richedit 2.0 unless the control has focus or ECO_NOHIDESEL
// option is set (but it does work ok in richedit 1.0 mode...)
//
// so to make it work we either need to give focus to it here which
// will probably create many problems (dummy focus events; window
// containing the text control being brought to foreground
// unexpectedly; ...) or to temporarily set ECO_NOHIDESEL which may
// create other problems too -- or it might not, so let's try to do it
if ( GetRichVersion() > 1 )
{
if ( !HasFlag(wxTE_NOHIDESEL) )
{
::SendMessage(GetHwnd(), EM_SETOPTIONS,
ECOOP_OR, ECO_NOHIDESEL);
}
//else: everything is already ok
}
CHARRANGE range; CHARRANGE range;
range.cpMin = from; range.cpMin = from;
range.cpMax = to; range.cpMax = to;
@@ -1021,6 +1041,16 @@ void wxTextCtrl::DoSetSelection(long from, long to, bool scrollCaret)
{ {
SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0); SendMessage(hWnd, EM_SCROLLCARET, (WPARAM)0, (LPARAM)0);
} }
#if wxUSE_RICHEDIT
// restore ECO_NOHIDESEL if we changed it
if ( GetRichVersion() > 1 && !HasFlag(wxTE_NOHIDESEL) )
{
::SendMessage(GetHwnd(), EM_SETOPTIONS,
ECOOP_AND, ~ECO_NOHIDESEL);
}
#endif // wxUSE_RICHEDIT
#else // Win16 #else // Win16
// WPARAM is 0: selection is scrolled into view // WPARAM is 0: selection is scrolled into view
SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to)); SendMessage(hWnd, EM_SETSEL, (WPARAM)0, (LPARAM)MAKELONG(from, to));