/// ------------------------------------------------------------------------------------
/// <summary>
/// Handle a selection change by growing it to a word (unless the new selection IS
/// the one we're growing to a word).
/// </summary>
/// ------------------------------------------------------------------------------------
private void HandleSelectionChange(object sender, VwSelectionArgs args)
{
CheckDisposed();
IVwRootBox rootb = args.RootBox;
IVwSelection vwselNew = args.Selection;
Debug.Assert(vwselNew != null);
if (!m_fInSelChange)
{
m_fInSelChange = true;
try
{
if (!vwselNew.IsRange)
{
vwselNew.GrowToWord().Install();
}
}
finally
{
m_fInSelChange = false;
}
}
if (SelChanged != null)
{
SelChanged(this, new EventArgs());
}
}
/// <summary>
/// This override ensures that we always have whole objects selected.
/// Enhance: it may cause flicker during drag, in which case, we may change to only do it on mouse up,
/// or only IF the mouse is up.
/// </summary>
protected override void HandleSelectionChange(object sender, VwSelectionArgs args)
{
if (m_InSelectionChanged || RootBox.Selection == null)
{
return;
}
TextSelInfo info = new TextSelInfo(RootBox);
int end = Math.Max(info.ContainingObjectIndex(info.Levels(true) - 1, true),
info.ContainingObjectIndex(info.Levels(false) - 1, false));
int begin = Math.Min(info.ContainingObjectIndex(info.Levels(true) - 1, true),
info.ContainingObjectIndex(info.Levels(false) - 1, false));
SelectRange(begin, end);
}
/// <summary>
/// This override ensures that we always have whole objects selected.
/// Enhance: it may cause flicker during drag, in which case, we may change to only do it on mouse up,
/// or only IF the mouse is up.
/// </summary>
protected virtual void HandleSelectionChange(object sender, VwSelectionArgs args)
{
CheckDisposed();
if (m_InSelectionChanged || RootBox.Selection == null)
{
return;
}
var info = new TextSelInfo(RootBox);
var end = Math.Max(info.ContainingObjectIndex(info.Levels(true) - 1, true),
info.ContainingObjectIndex(info.Levels(false) - 1, false));
SelectUpTo(end);
}
/// <summary>
/// Event handler to grow selection if it's not a range when the selection changes.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
void m_xv_VwSelectionChanged(object sender, VwSelectionArgs e)
{
Debug.Assert(e.RootBox == m_xv.RootBox);
if (!m_fInSelChange)
{
m_fInSelChange = true;
try
{
// Expand the selection to cover the entire LexEntry object.
int cvsli = e.Selection.CLevels(false) - 1;
int ihvoRoot;
int tagTextProp;
int cpropPrev;
int ichAnchor;
int ichEnd;
int ws;
bool fAssocPrev;
int ihvoEnd;
ITsTextProps ttp;
SelLevInfo[] rgvsli = SelLevInfo.AllTextSelInfo(e.Selection, cvsli,
out ihvoRoot, out tagTextProp, out cpropPrev, out ichAnchor, out ichEnd,
out ws, out fAssocPrev, out ihvoEnd, out ttp);
// The selection should cover the outermost object (which should be a LexEntry).
SelLevInfo[] rgvsliOuter = new SelLevInfo[1];
rgvsliOuter[0] = rgvsli[cvsli - 1];
e.RootBox.MakeTextSelInObj(ihvoRoot, 1, rgvsliOuter, 0, null,
false, false, false, true, true);
// Save the selected object for possible use later.
m_hvoSelected = rgvsliOuter[0].hvo;
Debug.Assert(m_rghvo.Contains(m_hvoSelected));
// Make the "Open Lexicon" button the default action after making a selection.
this.AcceptButton = btnLexicon;
}
finally
{
m_fInSelChange = false;
}
}
}
/// ------------------------------------------------------------------------------------
/// <summary>
/// Handles a VwSelectionChanged event in the key terms draft view.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="T:SIL.FieldWorks.Common.RootSites.VwSelectionArgs"/>
/// instance containing the event data.</param>
/// ------------------------------------------------------------------------------------
internal void OnSelChangedInDraftView(object sender, VwSelectionArgs e)
{
UpdateToolStripButtons();
}
