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richedit: Prevent redundant rewraps when scrollbar is shown. 

A common case for richedit controls are that a large amount of text is
set initially with word wrap enabled.  This causes the initially
wrapping of the text, which also calculates the text length.  After
this the vertical scrollbar will be shown, which causes the text to be
rewrapped again.  After this there are two redundant rewraps that are
done which this patch eliminates.
This commit is contained in:
Dylan Smith 2009-01-05 13:14:31 -05:00 committed by Alexandre Julliard
parent a16db0afc6
commit 6df4148b04
1 changed files with 4 additions and 8 deletions
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12
dlls/riched20/paint.c
View File

@ -1099,14 +1099,7 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
bScrollBarWillBeVisible = TRUE;
}
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
{
ShowScrollBar(hWnd, SB_VERT, bScrollBarWillBeVisible);
ME_MarkAllForWrapping(editor);
ME_WrapMarkedParagraphs(editor);
}
si.nMin = 0;
si.nMin = 0;
si.nMax = editor->nTotalLength;
si.nPos = editor->vert_si.nPos;
si.nPage = editor->sizeWindow.cy;
@ -1122,6 +1115,9 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
if (bScrollBarWillBeVisible || bScrollBarWasVisible)
SetScrollInfo(hWnd, SB_VERT, &si, TRUE);
}
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ShowScrollBar(hWnd, SB_VERT, bScrollBarWillBeVisible);
}
int ME_GetYScrollPos(ME_TextEditor *editor)