Пример #1
0
        /// <summary>
        /// Displays the <see cref="ContextMenu"/> if
        /// it was set.
        /// </summary>
        private void ShowContextMenu(Point cursorPosition)
        {
            if (IsDisposed)
            {
                return;
            }

            //raise preview event no matter whether context menu is currently set
            //or not (enables client to set it on demand)
            var args = RaisePreviewTrayContextMenuOpenEvent();

            if (args.Handled)
            {
                return;
            }

            if (ContextMenu != null)
            {
                //use absolute position
                ContextMenu.Placement        = PlacementMode.AbsolutePoint;
                ContextMenu.HorizontalOffset = cursorPosition.X;
                ContextMenu.VerticalOffset   = cursorPosition.Y;
                ContextMenu.IsOpen           = true;

                //activate the message window to track deactivation - otherwise, the context menu
                //does not close if the user clicks somewhere else
                WinApi.SetForegroundWindow(messageSink.MessageWindowHandle);

                //bubble event
                RaiseTrayContextMenuOpenEvent();
            }
        }
Пример #2
0
        /// <summary>
        /// Displays the <see cref="TrayPopup"/> control if
        /// it was set.
        /// </summary>
        private void ShowTrayPopup(Point cursorPosition)
        {
            if (IsDisposed)
            {
                return;
            }

            //raise preview event no matter whether popup is currently set
            //or not (enables client to set it on demand)
            var args = RaisePreviewTrayPopupOpenEvent();

            if (args.Handled)
            {
                return;
            }

            if (TrayPopup != null)
            {
                //use absolute position, but place the popup centered above the icon
                TrayPopupResolved.Placement        = PlacementMode.AbsolutePoint;
                TrayPopupResolved.HorizontalOffset = cursorPosition.X;
                TrayPopupResolved.VerticalOffset   = cursorPosition.Y;

                //open popup
                TrayPopupResolved.IsOpen = true;

                //activate the message window to track deactivation - otherwise, the context menu
                //does not close if the user clicks somewhere else
                WinApi.SetForegroundWindow(messageSink.MessageWindowHandle);

                //raise attached event - item should never be null unless developers
                //changed the CustomPopup directly...
                if (TrayPopup != null)
                {
                    RaisePopupOpenedEvent(TrayPopup);
                }

                //bubble routed event
                RaiseTrayPopupOpenEvent();
            }
        }
Пример #3
0
        /// <summary>
        /// Processes mouse events, which are bubbled
        /// through the class' routed events, trigger
        /// certain actions (e.g. show a popup), or
        /// both.
        /// </summary>
        /// <param name="me">Event flag.</param>
        private void OnMouseEvent(MouseEvent me)
        {
            if (IsDisposed)
            {
                return;
            }

            switch (me)
            {
            case MouseEvent.MouseMove:
                RaiseTrayMouseMoveEvent();
                //immediately return - there's nothing left to evaluate
                return;

            case MouseEvent.IconRightMouseDown:
                RaiseTrayRightMouseDownEvent();
                break;

            case MouseEvent.IconLeftMouseDown:
                RaiseTrayLeftMouseDownEvent();
                break;

            case MouseEvent.IconRightMouseUp:
                RaiseTrayRightMouseUpEvent();
                break;

            case MouseEvent.IconLeftMouseUp:
                RaiseTrayLeftMouseUpEvent();
                break;

            case MouseEvent.IconMiddleMouseDown:
                RaiseTrayMiddleMouseDownEvent();
                break;

            case MouseEvent.IconMiddleMouseUp:
                RaiseTrayMiddleMouseUpEvent();
                break;

            case MouseEvent.IconDoubleClick:
                //cancel single click timer
                singleClickTimer.Change(Timeout.Infinite, Timeout.Infinite);
                //bubble event
                RaiseTrayMouseDoubleClickEvent();
                break;

            case MouseEvent.BalloonToolTipClicked:
                RaiseTrayBalloonTipClickedEvent();
                break;

            default:
                throw new ArgumentOutOfRangeException("me", "Missing handler for mouse event flag: " + me);
            }


            //get mouse coordinates
            Point cursorPosition = new Point();

            WinApi.GetCursorPos(ref cursorPosition);

            bool isLeftClickCommandInvoked = false;

            //show popup, if requested
            if (me.IsMatch(PopupActivation))
            {
                if (me == MouseEvent.IconLeftMouseUp)
                {
                    //show popup once we are sure it's not a double click
                    delayedTimerAction = () =>
                    {
                        LeftClickCommand.ExecuteIfEnabled(LeftClickCommandParameter, LeftClickCommandTarget ?? this);
                        ShowTrayPopup(cursorPosition);
                    };
                    singleClickTimer.Change(WinApi.GetDoubleClickTime(), Timeout.Infinite);
                    isLeftClickCommandInvoked = true;
                }
                else
                {
                    //show popup immediately
                    ShowTrayPopup(cursorPosition);
                }
            }


            //show context menu, if requested
            if (me.IsMatch(MenuActivation))
            {
                if (me == MouseEvent.IconLeftMouseUp)
                {
                    //show context menu once we are sure it's not a double click
                    delayedTimerAction = () =>
                    {
                        LeftClickCommand.ExecuteIfEnabled(LeftClickCommandParameter, LeftClickCommandTarget ?? this);
                        ShowContextMenu(cursorPosition);
                    };
                    singleClickTimer.Change(WinApi.GetDoubleClickTime(), Timeout.Infinite);
                    isLeftClickCommandInvoked = true;
                }
                else
                {
                    //show context menu immediately
                    ShowContextMenu(cursorPosition);
                }
            }

            //make sure the left click command is invoked on mouse clicks
            if (me == MouseEvent.IconLeftMouseUp && !isLeftClickCommandInvoked)
            {
                //show context menu once we are sure it's not a double click
                delayedTimerAction = () => LeftClickCommand.ExecuteIfEnabled(LeftClickCommandParameter, LeftClickCommandTarget ?? this);
                singleClickTimer.Change(WinApi.GetDoubleClickTime(), Timeout.Infinite);
            }
        }
Пример #4
0
        /// <summary>
        /// Shows a custom control as a tooltip in the tray location.
        /// </summary>
        /// <param name="balloon"></param>
        /// <param name="animation">An optional animation for the popup.</param>
        /// <param name="timeout">The time after which the popup is being closed.
        /// Submit null in order to keep the balloon open inde
        /// </param>
        /// <exception cref="ArgumentNullException">If <paramref name="balloon"/>
        /// is a null reference.</exception>
        public void ShowCustomBalloon(UIElement balloon, PopupAnimation animation, int?timeout)
        {
            if (!Application.Current.Dispatcher.CheckAccess())
            {
                var action = new Action(() => ShowCustomBalloon(balloon, animation, timeout));
                Application.Current.Dispatcher.Invoke(DispatcherPriority.Normal, action);
                return;
            }

            if (balloon == null)
            {
                throw new ArgumentNullException("balloon");
            }
            if (timeout.HasValue && timeout < 500)
            {
                string msg = "Invalid timeout of {0} milliseconds. Timeout must be at least 500 ms";
                msg = String.Format(msg, timeout);
                throw new ArgumentOutOfRangeException("timeout", msg);
            }

            EnsureNotDisposed();

            //make sure we don't have an open balloon
            lock (this)
            {
                CloseBalloon();
            }

            //create an invisible popup that hosts the UIElement
            Popup popup = new Popup();

            popup.AllowsTransparency = true;

            //provide the popup with the taskbar icon's data context
            UpdateDataContext(popup, null, DataContext);

            //don't animate by default - devs can use attached
            //events or override
            popup.PopupAnimation = animation;

            popup.Child = balloon;

            //don't set the PlacementTarget as it causes the popup to become hidden if the
            //TaskbarIcon's parent is hidden, too...
            //popup.PlacementTarget = this;

            popup.Placement = PlacementMode.AbsolutePoint;
            popup.StaysOpen = true;

            Point position = TrayInfo.GetTrayLocation();

            popup.HorizontalOffset = position.X - 1;
            popup.VerticalOffset   = position.Y - 1;

            //store reference
            lock (this)
            {
                SetCustomBalloon(popup);
            }

            //assign this instance as an attached property
            SetParentTaskbarIcon(balloon, this);

            //fire attached event
            RaiseBalloonShowingEvent(balloon, this);

            //display item
            popup.IsOpen = true;

            if (timeout.HasValue)
            {
                //register timer to close the popup
                balloonCloseTimer.Change(timeout.Value, Timeout.Infinite);
            }

            return;
        }
Пример #5
0
        /// <summary>
        /// Displays the <see cref="TrayPopup"/> control if
        /// it was set.
        /// </summary>
        private void ShowTrayPopup(Point cursorPosition)
        {
            if (IsDisposed) return;

            //raise preview event no matter whether popup is currently set
            //or not (enables client to set it on demand)
            var args = RaisePreviewTrayPopupOpenEvent();
            if (args.Handled) return;

            if (TrayPopup != null)
            {
                //use absolute position, but place the popup centered above the icon
                TrayPopupResolved.Placement = PlacementMode.AbsolutePoint;
                TrayPopupResolved.HorizontalOffset = cursorPosition.X;
                TrayPopupResolved.VerticalOffset = cursorPosition.Y;

                //open popup
                TrayPopupResolved.IsOpen = true;

                //activate the message window to track deactivation - otherwise, the context menu
                //does not close if the user clicks somewhere else
                WinApi.SetForegroundWindow(messageSink.MessageWindowHandle);

                //raise attached event - item should never be null unless developers
                //changed the CustomPopup directly...
                if (TrayPopup != null) RaisePopupOpenedEvent(TrayPopup);

                //bubble routed event
                RaiseTrayPopupOpenEvent();
            }
        }
Пример #6
0
        /// <summary>
        /// Displays the <see cref="ContextMenu"/> if
        /// it was set.
        /// </summary>
        private void ShowContextMenu(Point cursorPosition)
        {
            if (IsDisposed) return;

            //raise preview event no matter whether context menu is currently set
            //or not (enables client to set it on demand)
            var args = RaisePreviewTrayContextMenuOpenEvent();
            if (args.Handled) return;

            if (ContextMenu != null)
            {
                //use absolute position
                ContextMenu.Placement = PlacementMode.AbsolutePoint;
                ContextMenu.HorizontalOffset = cursorPosition.X;
                ContextMenu.VerticalOffset = cursorPosition.Y;
                ContextMenu.IsOpen = true;

                //activate the message window to track deactivation - otherwise, the context menu
                //does not close if the user clicks somewhere else
                WinApi.SetForegroundWindow(messageSink.MessageWindowHandle);

                //bubble event
                RaiseTrayContextMenuOpenEvent();
            }
        }
Пример #7
0
        /// <summary>
        /// Processes mouse events, which are bubbled
        /// through the class' routed events, trigger
        /// certain actions (e.g. show a popup), or
        /// both.
        /// </summary>
        /// <param name="me">Event flag.</param>
        private void OnMouseEvent(MouseEvent me)
        {
            if (IsDisposed) return;

            switch (me)
            {
                case MouseEvent.MouseMove:
                    RaiseTrayMouseMoveEvent();
                    //immediately return - there's nothing left to evaluate
                    return;
                case MouseEvent.IconRightMouseDown:
                    RaiseTrayRightMouseDownEvent();
                    break;
                case MouseEvent.IconLeftMouseDown:
                    RaiseTrayLeftMouseDownEvent();
                    break;
                case MouseEvent.IconRightMouseUp:
                    RaiseTrayRightMouseUpEvent();
                    break;
                case MouseEvent.IconLeftMouseUp:
                    RaiseTrayLeftMouseUpEvent();
                    break;
                case MouseEvent.IconMiddleMouseDown:
                    RaiseTrayMiddleMouseDownEvent();
                    break;
                case MouseEvent.IconMiddleMouseUp:
                    RaiseTrayMiddleMouseUpEvent();
                    break;
                case MouseEvent.IconDoubleClick:
                    //cancel single click timer
                    singleClickTimer.Change(Timeout.Infinite, Timeout.Infinite);
                    //bubble event
                    RaiseTrayMouseDoubleClickEvent();
                    break;
                case MouseEvent.BalloonToolTipClicked:
                    RaiseTrayBalloonTipClickedEvent();
                    break;
                default:
                    throw new ArgumentOutOfRangeException("me", "Missing handler for mouse event flag: " + me);
            }

            //get mouse coordinates
            Point cursorPosition = new Point();
            WinApi.GetCursorPos(ref cursorPosition);

            bool isLeftClickCommandInvoked = false;

            //show popup, if requested
            if (me.IsMatch(PopupActivation))
            {
                if (me == MouseEvent.IconLeftMouseUp)
                {
                    //show popup once we are sure it's not a double click
                    delayedTimerAction = () =>
                                             {
                                                 LeftClickCommand.ExecuteIfEnabled(LeftClickCommandParameter, LeftClickCommandTarget ?? this);
                                                 ShowTrayPopup(cursorPosition);
                                             };
                    singleClickTimer.Change(WinApi.GetDoubleClickTime(), Timeout.Infinite);
                    isLeftClickCommandInvoked = true;
                }
                else
                {
                    //show popup immediately
                    ShowTrayPopup(cursorPosition);
                }
            }

            //show context menu, if requested
            if (me.IsMatch(MenuActivation))
            {
                if (me == MouseEvent.IconLeftMouseUp)
                {
                    //show context menu once we are sure it's not a double click
                    delayedTimerAction = () =>
                                             {
                                                 LeftClickCommand.ExecuteIfEnabled(LeftClickCommandParameter, LeftClickCommandTarget ?? this);
                                                 ShowContextMenu(cursorPosition);
                                             };
                    singleClickTimer.Change(WinApi.GetDoubleClickTime(), Timeout.Infinite);
                    isLeftClickCommandInvoked = true;
                }
                else
                {
                    //show context menu immediately
                    ShowContextMenu(cursorPosition);
                }
            }

            //make sure the left click command is invoked on mouse clicks
            if (me == MouseEvent.IconLeftMouseUp && !isLeftClickCommandInvoked)
            {
                //show context menu once we are sure it's not a double click
                delayedTimerAction = () => LeftClickCommand.ExecuteIfEnabled(LeftClickCommandParameter, LeftClickCommandTarget ?? this);
                singleClickTimer.Change(WinApi.GetDoubleClickTime(), Timeout.Infinite);
            }
        }