/// <summary>
/// Processes dialog-key events (escape, tab, etc.).
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="keyEventArgs">
/// The <see cref="System.Windows.Forms.KeyEventArgs"/> instance containing the event data.
/// </param>
protected override void ProcessTextAreaKey(object sender, KeyEventArgs keyEventArgs)
{
if (!Visible)
{
return;
}
switch (keyEventArgs.KeyData)
{
case Keys.Home:
_completionListView.SelectItem(0);
keyEventArgs.Handled = true;
return;
case Keys.End:
_completionListView.SelectItem(_completionListView.ItemCount - 1);
keyEventArgs.Handled = true;
return;
case Keys.PageDown:
_completionListView.PageDown();
keyEventArgs.Handled = true;
return;
case Keys.PageUp:
_completionListView.PageUp();
keyEventArgs.Handled = true;
return;
case Keys.Down:
_completionListView.SelectNextItem();
keyEventArgs.Handled = true;
return;
case Keys.Up:
_completionListView.SelectPrevItem();
keyEventArgs.Handled = true;
return;
case Keys.Tab:
InsertSelectedItem('\t');
keyEventArgs.Handled = true;
return;
case Keys.Return:
InsertSelectedItem('\n');
keyEventArgs.Handled = true;
return;
}
base.ProcessTextAreaKey(sender, keyEventArgs);
}
/// <summary>
/// Initializes a new instance of the <see cref="CompletionWindow"/> class.
/// </summary>
/// <param name="completionDataProvider">The completion data provider.</param>
/// <param name="completionData">The completion data.</param>
/// <param name="parentForm">The parent form.</param>
/// <param name="control">The text editor control.</param>
/// <param name="showDeclarationWindow"><c>true</c> to show declaration window; otherwise <c>false</c>.</param>
/// <param name="fixedListViewWidth"><c>true</c> to use a fixed width in the list view.</param>
/// <param name="closeAutomatically"><c>true</c> to close the completion window automatically.</param>
CompletionWindow(ICompletionDataProvider completionDataProvider, ICompletionData[] completionData, Form parentForm, TextEditorControl control, bool showDeclarationWindow, bool fixedListViewWidth, bool closeAutomatically)
: base(parentForm, control)
{
_dataProvider = completionDataProvider;
_completionData = completionData;
_document = control.Document;
_showDeclarationWindow = showDeclarationWindow;
_fixedListViewWidth = fixedListViewWidth;
_closeAutomatically = closeAutomatically;
int caretOffset = control.ActiveTextAreaControl.Caret.Offset;
_startOffset = caretOffset;
_endOffset = caretOffset;
// Move start offset if something is pre-selected.
if (!String.IsNullOrEmpty(completionDataProvider.PreSelection))
{
_startOffset -= completionDataProvider.PreSelection.Length;
}
_completionListView = new CompletionListView(completionData);
_completionListView.Dock = DockStyle.Fill;
_completionListView.FilterList = true;
_completionListView.ImageList = completionDataProvider.ImageList;
_completionListView.Click += CompletionListViewClick;
_completionListView.DoubleClick += CompletionListViewDoubleClick;
_completionListView.FirstItemChanged += CompletionListViewFirstItemChanged;
_completionListView.ItemCountChanged += CompletionListViewItemCountChanged;
_completionListView.SelectedItemChanged += CompletionListViewSelectedItemChanged;
Controls.Add(_completionListView);
_vScrollBar = new VScrollBar();
_vScrollBar.SmallChange = 1;
_vScrollBar.LargeChange = _maxListLength;
_vScrollBar.Dock = DockStyle.Right;
Controls.Add(_vScrollBar);
UpdateScrollBar();
_workingScreen = Screen.GetWorkingArea(Location);
DrawingSize = GetListViewSize();
_textLocation = TextEditorControl.ActiveTextAreaControl.TextArea.Caret.Position;
SetLocation(_textLocation);
if (_declarationViewWindow == null)
{
_declarationViewWindow = new DeclarationViewWindow(parentForm);
}
SetDeclarationViewLocation();
_declarationViewWindow.Show();
_declarationViewWindow.MouseMove += ControlMouseMove;
control.Focus();
CompletionListViewSelectedItemChanged(this, EventArgs.Empty);
if (!String.IsNullOrEmpty(completionDataProvider.PreSelection))
{
// Select item based on pre-selection.
CaretOffsetChanged(this, EventArgs.Empty);
}
else if (completionDataProvider.DefaultIndex >= 0)
{
// Select default item
_completionListView.SelectItem(completionDataProvider.DefaultIndex);
}
_vScrollBar.ValueChanged += VScrollBarValueChanged;
_document.DocumentAboutToBeChanged += DocumentAboutToBeChanged;
}
/// <summary>
/// Initializes a new instance of the <see cref="CompletionWindow"/> class.
/// </summary>
/// <param name="completionDataProvider">The completion data provider.</param>
/// <param name="completionData">The completion data.</param>
/// <param name="parentForm">The parent form.</param>
/// <param name="control">The text editor control.</param>
/// <param name="showDeclarationWindow"><see langword="true"/> to show declaration window; otherwise <see langword="false"/>.</param>
/// <param name="fixedListViewWidth"><see langword="true"/> to use a fixed width in the list view.</param>
/// <param name="closeAutomatically"><see langword="true"/> to close the completion window automatically.</param>
CompletionWindow(ICompletionDataProvider completionDataProvider, ICompletionData[] completionData, Form parentForm, TextEditorControl control, bool showDeclarationWindow, bool fixedListViewWidth, bool closeAutomatically)
: base(parentForm, control)
{
_dataProvider = completionDataProvider;
_completionData = completionData;
_document = control.Document;
_showDeclarationWindow = showDeclarationWindow;
_fixedListViewWidth = fixedListViewWidth;
_closeAutomatically = closeAutomatically;
int caretOffset = control.ActiveTextAreaControl.Caret.Offset;
_startOffset = caretOffset;
_endOffset = caretOffset;
// Move start offset if something is pre-selected.
if (!String.IsNullOrEmpty(completionDataProvider.PreSelection))
_startOffset -= completionDataProvider.PreSelection.Length;
_completionListView = new CompletionListView(completionData);
_completionListView.Dock = DockStyle.Fill;
_completionListView.FilterList = true;
_completionListView.ImageList = completionDataProvider.ImageList;
_completionListView.Click += CompletionListViewClick;
_completionListView.DoubleClick += CompletionListViewDoubleClick;
_completionListView.FirstItemChanged += CompletionListViewFirstItemChanged;
_completionListView.ItemCountChanged += CompletionListViewItemCountChanged;
_completionListView.SelectedItemChanged += CompletionListViewSelectedItemChanged;
Controls.Add(_completionListView);
_vScrollBar = new VScrollBar();
_vScrollBar.SmallChange = 1;
_vScrollBar.LargeChange = _maxListLength;
_vScrollBar.Dock = DockStyle.Right;
Controls.Add(_vScrollBar);
UpdateScrollBar();
_workingScreen = Screen.GetWorkingArea(Location);
DrawingSize = GetListViewSize();
_textLocation = TextEditorControl.ActiveTextAreaControl.TextArea.Caret.Position;
SetLocation(_textLocation);
if (_declarationViewWindow == null)
_declarationViewWindow = new DeclarationViewWindow(parentForm);
SetDeclarationViewLocation();
_declarationViewWindow.Show();
_declarationViewWindow.MouseMove += ControlMouseMove;
control.Focus();
CompletionListViewSelectedItemChanged(this, EventArgs.Empty);
if (!String.IsNullOrEmpty(completionDataProvider.PreSelection))
{
// Select item based on pre-selection.
CaretOffsetChanged(this, EventArgs.Empty);
}
else if (completionDataProvider.DefaultIndex >= 0)
{
// Select default item
_completionListView.SelectItem(completionDataProvider.DefaultIndex);
}
_vScrollBar.ValueChanged += VScrollBarValueChanged;
_document.DocumentAboutToBeChanged += DocumentAboutToBeChanged;
}