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richedit: Scroll up with less than page of text with ES_DISABLENOSCROLL.

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This commit is contained in:
Dylan Smith 2009-01-05 13:14:18 -05:00 committed by Alexandre Julliard
parent e31188d9da
commit a16db0afc6
1 changed files with 14 additions and 15 deletions
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29
dlls/riched20/paint.c
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@ -1083,7 +1083,15 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
si.cbSize = sizeof(si);
bScrollBarWasVisible = ME_GetYScrollVisible(editor);
bScrollBarWillBeVisible = editor->nTotalLength > editor->sizeWindow.cy;
if (editor->vert_si.nPos && !bScrollBarWillBeVisible)
{
ME_ScrollAbs(editor, 0);
/* ME_ScrollAbs will call this function,
* so nothing else needs to be done here. */
return;
}
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
if (GetWindowLongW(hWnd, GWL_STYLE) & ES_DISABLENOSCROLL)
{
@ -1102,26 +1110,17 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
si.nMax = editor->nTotalLength;
si.nPos = editor->vert_si.nPos;
si.nPage = editor->sizeWindow.cy;
if (!(si.nMin == editor->vert_si.nMin && si.nMax == editor->vert_si.nMax && si.nPage == editor->vert_si.nPage))
if (!(si.nMin == editor->vert_si.nMin &&
si.nMax == editor->vert_si.nMax &&
si.nPage == editor->vert_si.nPage))
{
TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
editor->vert_si.nMin = si.nMin;
editor->vert_si.nMax = si.nMax;
editor->vert_si.nPage = si.nPage;
if (bScrollBarWillBeVisible)
{
if (bScrollBarWillBeVisible || bScrollBarWasVisible)
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
}
else
{
if (bScrollBarWasVisible && !(si.fMask & SIF_DISABLENOSCROLL))
{
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
ShowScrollBar(hWnd, SB_VERT, FALSE);
ME_ScrollAbs(editor, 0);
}
}
}
}