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richedit: Use 32-bit rather than 16-bit trackbar value for scrolling.

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Dylan Smith 2009-01-06 00:34:28 -05:00 committed by Alexandre Julliard
parent ba01d15b1f
commit f361910514
1 changed files with 11 additions and 1 deletions
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12
dlls/riched20/editor.c
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@ -4004,8 +4004,18 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
break;
case SB_THUMBTRACK:
case SB_THUMBPOSITION:
ME_ScrollAbs(editor,HIWORD(wParam));
{
SCROLLINFO sbi;
sbi.cbSize = sizeof(sbi);
sbi.fMask = SIF_TRACKPOS;
/* Try to get 32-bit track position value. */
if (!GetScrollInfo(editor->hWnd, SB_VERT, &sbi))
/* GetScrollInfo failed, settle for 16-bit value in wParam. */
sbi.nTrackPos = HIWORD(wParam);
ME_ScrollAbs(editor, sbi.nTrackPos);
break;
}
}
if (msg == EM_SCROLL)
return 0x00010000 | (((ME_GetYScrollPos(editor) - origNPos)/lineHeight) & 0xffff);