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richedit: Suppress scrollbar if missing WS_[VH]SCROLL style.

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If the scrollbar style isn't initially used, then the scrollbar should
be shown.  Otherwise this can be a problem when the horizontal scrollbar
is shown for a single line richedit control, since it will cover all the
text (See bug 12088).
This commit is contained in:
Dylan Smith 2009-01-28 01:35:02 -05:00 committed by Alexandre Julliard
parent 5d74f58382
commit a051a23119
1 changed files with 18 additions and 4 deletions
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22
dlls/riched20/paint.c
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@ -1067,14 +1067,16 @@ void ME_ScrollAbs(ME_TextEditor *editor, int x, int y)
{
LONG winStyle = GetWindowLongW(editor->hWnd, GWL_STYLE);
bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx)
bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx
&& (editor->styleFlags & WS_HSCROLL))
|| (editor->styleFlags & ES_DISABLENOSCROLL);
if (bScrollBarIsVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ,
bScrollBarWillBeVisible);
bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy)
bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy
&& (editor->styleFlags & WS_VSCROLL))
|| (editor->styleFlags & ES_DISABLENOSCROLL);
if (bScrollBarIsVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
@ -1163,8 +1165,14 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
}
}
if (si.fMask & SIF_DISABLENOSCROLL)
if (si.fMask & SIF_DISABLENOSCROLL) {
bScrollBarWillBeVisible = TRUE;
} else if (!(editor->styleFlags & WS_HSCROLL)) {
/* SetScrollInfo or SetScrollRange may cause the scrollbar to be
* shown, so hide the scrollbar if necessary. */
bScrollBarWasVisible = bScrollBarWillBeVisible;
bScrollBarWillBeVisible = FALSE;
}
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, bScrollBarWillBeVisible);
@ -1203,8 +1211,14 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
}
}
if (si.fMask & SIF_DISABLENOSCROLL)
if (si.fMask & SIF_DISABLENOSCROLL) {
bScrollBarWillBeVisible = TRUE;
} else if (!(editor->styleFlags & WS_VSCROLL)) {
/* SetScrollInfo or SetScrollRange may cause the scrollbar to be
* shown, so hide the scrollbar if necessary. */
bScrollBarWasVisible = bScrollBarWillBeVisible;
bScrollBarWillBeVisible = FALSE;
}
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,