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richedit: Keep scrollbars hidden without WS_HSCROLL & WS_VSCROLL.

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This commit is contained in:
Dylan Smith 2009-07-16 18:46:04 -04:00 committed by Alexandre Julliard
parent eddccdd1f2
commit f59e41e8d5
1 changed files with 51 additions and 39 deletions
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90
dlls/riched20/paint.c
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@ -1061,22 +1061,28 @@ void ME_ScrollAbs(ME_TextEditor *editor, int x, int y)
if (editor->hWnd)
{
LONG winStyle = GetWindowLongW(editor->hWnd, GWL_STYLE);
bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
bScrollBarWillBeVisible = (editor->nTotalWidth > editor->sizeWindow.cx
&& (editor->styleFlags & WS_HSCROLL))
|| (editor->styleFlags & ES_DISABLENOSCROLL);
if (bScrollBarIsVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ,
bScrollBarWillBeVisible);
if (editor->styleFlags & WS_HSCROLL)
{
bScrollBarIsVisible = (winStyle & WS_HSCROLL) != 0;
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
&& (editor->styleFlags & WS_VSCROLL)
&& (editor->styleFlags & ES_MULTILINE))
|| (editor->styleFlags & ES_DISABLENOSCROLL);
if (bScrollBarIsVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
bScrollBarWillBeVisible);
if (editor->styleFlags & WS_VSCROLL)
{
bScrollBarIsVisible = (winStyle & WS_VSCROLL) != 0;
bScrollBarWillBeVisible = (editor->nTotalLength > editor->sizeWindow.cy
&& (editor->styleFlags & WS_VSCROLL)
&& (editor->styleFlags & ES_MULTILINE))
|| (editor->styleFlags & ES_DISABLENOSCROLL);
if (bScrollBarIsVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
bScrollBarWillBeVisible);
}
}
ME_UpdateScrollBar(editor);
}
@ -1136,6 +1142,7 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
si.cbSize = sizeof(si);
si.fMask = SIF_PAGE | SIF_RANGE | SIF_POS;
si.nMin = 0;
if (editor->styleFlags & ES_DISABLENOSCROLL)
si.fMask |= SIF_DISABLENOSCROLL;
@ -1150,20 +1157,19 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
return;
}
si.nMin = 0;
si.nMax = editor->nTotalWidth;
si.nPos = editor->horz_si.nPos;
si.nPage = editor->sizeWindow.cx;
if (si.nMin != editor->horz_si.nMin ||
si.nMax != editor->horz_si.nMax ||
if (si.nMax != editor->horz_si.nMax ||
si.nPage != editor->horz_si.nPage)
{
TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
editor->horz_si.nMin = si.nMin;
editor->horz_si.nMax = si.nMax;
editor->horz_si.nPage = si.nPage;
if (bScrollBarWillBeVisible || bScrollBarWasVisible) {
if ((bScrollBarWillBeVisible || bScrollBarWasVisible) &&
editor->styleFlags & WS_HSCROLL)
{
if (editor->hWnd) {
SetScrollInfo(editor->hWnd, SB_HORZ, &si, TRUE);
} else {
@ -1175,14 +1181,17 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
}
}
if (si.fMask & SIF_DISABLENOSCROLL) {
bScrollBarWillBeVisible = TRUE;
} else if (!(editor->styleFlags & WS_HSCROLL)) {
bScrollBarWillBeVisible = FALSE;
}
if (editor->styleFlags & WS_HSCROLL)
{
if (si.fMask & SIF_DISABLENOSCROLL) {
bScrollBarWillBeVisible = TRUE;
} else if (!(editor->styleFlags & WS_HSCROLL)) {
bScrollBarWillBeVisible = FALSE;
}
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, bScrollBarWillBeVisible);
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_HORZ, bScrollBarWillBeVisible);
}
/* Update vertical scrollbar */
bScrollBarWasVisible = editor->vert_si.nMax > editor->vert_si.nPage;
@ -1201,15 +1210,15 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
si.nPos = editor->vert_si.nPos;
si.nPage = editor->sizeWindow.cy;
if (si.nMin != editor->vert_si.nMin ||
si.nMax != editor->vert_si.nMax ||
if (si.nMax != editor->vert_si.nMax ||
si.nPage != editor->vert_si.nPage)
{
TRACE("min=%d max=%d page=%d\n", si.nMin, si.nMax, si.nPage);
editor->vert_si.nMin = si.nMin;
editor->vert_si.nMax = si.nMax;
editor->vert_si.nPage = si.nPage;
if (bScrollBarWillBeVisible || bScrollBarWasVisible) {
if ((bScrollBarWillBeVisible || bScrollBarWasVisible) &&
editor->styleFlags & WS_VSCROLL)
{
if (editor->hWnd) {
SetScrollInfo(editor->hWnd, SB_VERT, &si, TRUE);
} else {
@ -1221,15 +1230,18 @@ void ME_UpdateScrollBar(ME_TextEditor *editor)
}
}
if (si.fMask & SIF_DISABLENOSCROLL) {
bScrollBarWillBeVisible = TRUE;
} else if (!(editor->styleFlags & WS_VSCROLL)) {
bScrollBarWillBeVisible = FALSE;
}
if (editor->styleFlags & WS_VSCROLL)
{
if (si.fMask & SIF_DISABLENOSCROLL) {
bScrollBarWillBeVisible = TRUE;
} else if (!(editor->styleFlags & WS_VSCROLL)) {
bScrollBarWillBeVisible = FALSE;
}
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
bScrollBarWillBeVisible);
if (bScrollBarWasVisible != bScrollBarWillBeVisible)
ITextHost_TxShowScrollBar(editor->texthost, SB_VERT,
bScrollBarWillBeVisible);
}
}
void ME_EnsureVisible(ME_TextEditor *editor, ME_Cursor *pCursor)