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richedit: Suppress scrollbar if missing WS_[VH]SCROLL style.
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).
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5d74f58382
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@ -1067,14 +1067,16 @@ void ME_ScrollAbs(ME_TextEditor *editor, int x, int y)
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{
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{
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LONG winStyle = GetWindowLongW(editor->hWnd, GWL_STYLE);
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LONG winStyle = GetWindowLongW(editor->hWnd, GWL_STYLE);
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bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
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bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
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bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx)
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bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx
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&& (editor->styleFlags & WS_HSCROLL))
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|| (editor->styleFlags & ES_DISABLENOSCROLL);
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|| (editor->styleFlags & ES_DISABLENOSCROLL);
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if (bScrollBarIsVisible != bScrollBarWillBeVisible)
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if (bScrollBarIsVisible != bScrollBarWillBeVisible)
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ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ,
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ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ,
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bScrollBarWillBeVisible);
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bScrollBarWillBeVisible);
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bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
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bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
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bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy)
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bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy
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&& (editor->styleFlags & WS_VSCROLL))
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|| (editor->styleFlags & ES_DISABLENOSCROLL);
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|| (editor->styleFlags & ES_DISABLENOSCROLL);
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if (bScrollBarIsVisible != bScrollBarWillBeVisible)
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if (bScrollBarIsVisible != bScrollBarWillBeVisible)
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ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
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ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
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@ -1163,8 +1165,14 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
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}
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}
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}
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}
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if (si.fMask & SIF_DISABLENOSCROLL)
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if (si.fMask & SIF_DISABLENOSCROLL) {
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bScrollBarWillBeVisible = TRUE;
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bScrollBarWillBeVisible = TRUE;
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} else if (!(editor->styleFlags & WS_HSCROLL)) {
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/* SetScrollInfo or SetScrollRange may cause the scrollbar to be
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* shown, so hide the scrollbar if necessary. */
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bScrollBarWasVisible = bScrollBarWillBeVisible;
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bScrollBarWillBeVisible = FALSE;
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}
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if (bScrollBarWasVisible != bScrollBarWillBeVisible)
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if (bScrollBarWasVisible != bScrollBarWillBeVisible)
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ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, bScrollBarWillBeVisible);
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ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, bScrollBarWillBeVisible);
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@ -1203,8 +1211,14 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
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}
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}
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}
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}
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if (si.fMask & SIF_DISABLENOSCROLL)
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if (si.fMask & SIF_DISABLENOSCROLL) {
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bScrollBarWillBeVisible = TRUE;
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bScrollBarWillBeVisible = TRUE;
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} else if (!(editor->styleFlags & WS_VSCROLL)) {
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/* SetScrollInfo or SetScrollRange may cause the scrollbar to be
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* shown, so hide the scrollbar if necessary. */
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bScrollBarWasVisible = bScrollBarWillBeVisible;
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bScrollBarWillBeVisible = FALSE;
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}
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if (bScrollBarWasVisible != bScrollBarWillBeVisible)
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if (bScrollBarWasVisible != bScrollBarWillBeVisible)
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ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
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ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
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