Implement storage for list box specific values.
Inheritance: PaletteDoubleRedirect
Esempio n. 1
0
        public KryptonListBox()
        {
            // Contains another control and needs marking as such for validation to work
            SetStyle(ControlStyles.ContainerControl, true);

            // Cannot select this control, only the child ListBox and does not generate a click event
            SetStyle(ControlStyles.Selectable | ControlStyles.StandardClick, false);

            // Default fields
            _alwaysActive = true;
            _lastSelectedIndex = -1;
            _style = ButtonStyle.ListItem;
            base.Padding = new Padding(1);

            // Create the palette storage
            _stateCommon = new PaletteListStateRedirect(Redirector, PaletteBackStyle.InputControlStandalone, PaletteBorderStyle.InputControlStandalone, NeedPaintDelegate);
            _stateFocus = new PaletteListItemTripleRedirect(Redirector, PaletteBackStyle.ButtonListItem, PaletteBorderStyle.ButtonListItem, PaletteContentStyle.ButtonListItem, NeedPaintDelegate);
            _stateDisabled = new PaletteListState(_stateCommon, NeedPaintDelegate);
            _stateActive = new PaletteDouble(_stateCommon, NeedPaintDelegate);
            _stateNormal = new PaletteListState(_stateCommon, NeedPaintDelegate);
            _stateTracking = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate);
            _statePressed = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate);
            _stateCheckedNormal = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate);
            _stateCheckedTracking = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate);
            _stateCheckedPressed = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate);

            // Create the override handling classes
            _overrideNormal = new PaletteTripleOverride(_stateFocus.Item, _stateNormal.Item, PaletteState.FocusOverride);
            _overrideTracking = new PaletteTripleOverride(_stateFocus.Item, _stateTracking.Item, PaletteState.FocusOverride);
            _overridePressed = new PaletteTripleOverride(_stateFocus.Item, _statePressed.Item, PaletteState.FocusOverride);
            _overrideCheckedNormal = new PaletteTripleOverride(_stateFocus.Item, _stateCheckedNormal.Item, PaletteState.FocusOverride);
            _overrideCheckedTracking = new PaletteTripleOverride(_stateFocus.Item, _stateCheckedTracking.Item, PaletteState.FocusOverride);
            _overrideCheckedPressed = new PaletteTripleOverride(_stateFocus.Item, _stateCheckedPressed.Item, PaletteState.FocusOverride);

            // Create the draw element for owner drawing individual items
            _contentValues = new FixedContentValue();
            _drawButton = new ViewDrawButton(StateDisabled.Item, _overrideNormal,
                                             _overrideTracking, _overridePressed,
                                             _overrideCheckedNormal, _overrideCheckedTracking,
                                             _overrideCheckedPressed,
                                             new PaletteMetricRedirect(Redirector),
                                             _contentValues, VisualOrientation.Top, false);

            // Create the internal list box used for containing content
            _listBox = new InternalListBox(this);
            _listBox.DrawItem += new DrawItemEventHandler(OnListBoxDrawItem);
            _listBox.MeasureItem += new MeasureItemEventHandler(OnListBoxMeasureItem);
            _listBox.TrackMouseEnter += new EventHandler(OnListBoxMouseChange);
            _listBox.TrackMouseLeave += new EventHandler(OnListBoxMouseChange);
            _listBox.DataSourceChanged += new EventHandler(OnListBoxDataSourceChanged);
            _listBox.DisplayMemberChanged += new EventHandler(OnListBoxDisplayMemberChanged);
            _listBox.ValueMemberChanged += new EventHandler(OnListBoxValueMemberChanged);
            _listBox.SelectedIndexChanged += new EventHandler(OnListBoxSelectedIndexChanged);
            _listBox.SelectedValueChanged += new EventHandler(OnListBoxSelectedValueChanged);
            _listBox.DisplayMemberChanged += new EventHandler(OnListBoxDisplayMemberChanged);
            _listBox.Format += new ListControlConvertEventHandler(OnListBoxFormat);
            _listBox.FormatInfoChanged += new EventHandler(OnListBoxFormatInfoChanged);
            _listBox.FormatStringChanged += new EventHandler(OnListBoxFormatStringChanged);
            _listBox.FormattingEnabledChanged += new EventHandler(OnListBoxFormattingEnabledChanged);
            _listBox.GotFocus += new EventHandler(OnListBoxGotFocus);
            _listBox.LostFocus += new EventHandler(OnListBoxLostFocus);
            _listBox.KeyDown += new KeyEventHandler(OnListBoxKeyDown);
            _listBox.KeyUp += new KeyEventHandler(OnListBoxKeyUp);
            _listBox.KeyPress += new KeyPressEventHandler(OnListBoxKeyPress);
            _listBox.PreviewKeyDown += new PreviewKeyDownEventHandler(OnListBoxPreviewKeyDown);
            _listBox.Validating += new CancelEventHandler(OnListBoxValidating);
            _listBox.Validated += new EventHandler(OnListBoxValidated);

            // Create the element that fills the remainder space and remembers fill rectange
            _layoutFill = new ViewLayoutFill(_listBox);
            _layoutFill.DisplayPadding = new Padding(1);

            // Create inner view for placing inside the drawing docker
            _drawDockerInner = new ViewLayoutDocker();
            _drawDockerInner.Add(_layoutFill, ViewDockStyle.Fill);

            // Create view for the control border and background
            _drawDockerOuter = new ViewDrawDocker(_stateNormal.Back, _stateNormal.Border);
            _drawDockerOuter.Add(_drawDockerInner, ViewDockStyle.Fill);

            // Create the view manager instance
            ViewManager = new ViewManager(this, _drawDockerOuter);

            // We need to create and cache a device context compatible with the display
            _screenDC = PI.CreateCompatibleDC(IntPtr.Zero);

            // Add list box to the controls collection
            ((KryptonReadOnlyControls)Controls).AddInternal(_listBox);
        }
 /// <summary>
 /// Initialize a new instance of the PaletteListState class.
 /// </summary>
 /// <param name="inherit">Source for inheriting values.</param>
 /// <param name="needPaint">Delegate for notifying paint requests.</param>
 public PaletteListState(PaletteListStateRedirect inherit,
                         NeedPaintHandler needPaint)
     : base(inherit, needPaint)
 {
     _itemTriple = new PaletteTriple(inherit.Item, needPaint);
 }