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richedit: Avoid unconditionally rewrapping text on scroll.

This commit is contained in:
Dylan Smith 2008-09-18 01:17:45 -04:00 committed by Alexandre Julliard
parent da058cbf67
commit 87292d81ee
1 changed files with 12 additions and 1 deletions
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13
dlls/riched20/paint.c
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@ -1046,6 +1046,9 @@ void ME_Scroll(ME_TextEditor *editor, int value, int type)
{
SCROLLINFO si;
int nOrigPos, nNewPos, nActualScroll;
HWND hWnd;
LONG winStyle;
BOOL bScrollBarIsVisible, bScrollBarWillBeVisible;
nOrigPos = ME_GetYScrollPos(editor);
@ -1083,7 +1086,15 @@ void ME_Scroll(ME_TextEditor *editor, int value, int type)
ME_Repaint(editor);
}
editor->vert_si.nMax = 0;
hWnd = editor->hWnd;
winStyle = GetWindowLongW(hWnd, GWL_STYLE);
bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
bScrollBarWillBeVisible = (editor->nHeight > editor->sizeWindow.cy)
|| (winStyle & ES_DISABLENOSCROLL);
if (bScrollBarIsVisible != bScrollBarWillBeVisible)
{
ShowScrollBar(hWnd, SB_VERT, bScrollBarWillBeVisible);
}
ME_UpdateScrollBar(editor);
}