private IntPtr WindowProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handeled)
        {
            switch (msg)
            {
            case WM_GETMINMAXINFO:
                WmGetMinMaxInfo(hwnd, lParam);
                handeled = true;
                break;

            case WM_WINDOWPOSCHANGING:
                WINDOWPOS pos = (WINDOWPOS)Marshal.PtrToStructure(lParam, typeof(WINDOWPOS));

                if ((pos.flags & 0x0002) != 0)
                {
                    return(IntPtr.Zero);
                }

                Window wnd = (Window)HwndSource.FromHwnd(hwnd).RootVisual;
                if (wnd == null)
                {
                    return(IntPtr.Zero);
                }

                bool changedPos = false;

                PresentationSource source = PresentationSource.FromVisual(this);

                double wpfDpi = 96;

                double dpiX = wpfDpi;
                double dpiY = wpfDpi;

                if (source != null)
                {
                    dpiX = wpfDpi * source.CompositionTarget.TransformToDevice.M11;
                    dpiY = wpfDpi * source.CompositionTarget.TransformToDevice.M22;
                }

                int minWidth = (int)Math.Round(this.MinWidth / 96 * dpiX, 0);

                if (pos.cx < minWidth)
                {
                    pos.cx     = minWidth;
                    changedPos = true;
                }

                int minHeight = (int)Math.Round(this.MinHeight / 96 * dpiY, 0);

                if (pos.cy < minHeight)
                {
                    pos.cy     = minHeight;
                    changedPos = true;
                }

                if (!changedPos)
                {
                    return(IntPtr.Zero);
                }

                Marshal.StructureToPtr(pos, lParam, true);
                handeled = true;
                break;
            }

            return((System.IntPtr) 0);
        }
Exemple #2
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 private bool IsPresented()
 {
     return(PresentationSource.FromVisual(this) != null && ActualWidth > 0 && ActualHeight > 0);
 }
Exemple #3
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 private void OnSourceInitialized(object sender, EventArgs e)
 {
     _hwndSource = (HwndSource)PresentationSource.FromVisual(this);
 }
        private void WindowResize(object sender, MouseButtonEventArgs e) //PreviewMousLeftButtonDown
        {
            HwndSource hwndSource = PresentationSource.FromVisual((Visual)sender) as HwndSource;

            SendMessage(hwndSource.Handle, 0x112, (IntPtr)61448, IntPtr.Zero);
        }
        public static Size TransformFromDevice(this Size size, Visual visual)
        {
            Matrix matrix = PresentationSource.FromVisual(visual).CompositionTarget.TransformFromDevice;

            return(new Size(size.Width * matrix.M11, size.Height * matrix.M22));
        }
Exemple #6
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        protected override void OnRender(DrawingContext dc)
        {
            Matrix m         = PresentationSource.FromVisual(this).CompositionTarget.TransformToDevice;
            double dpiFactor = 1 / m.M11;

            RenderOptions.SetEdgeMode(this, EdgeMode.Unspecified);

            Brush brushTextLabel  = new SolidColorBrush((Color)FindResource("ColorControlLightBackground"));
            Brush brushBodyLine   = IsDarkMode ? Brushes.Red : Brushes.Yellow;
            Brush brushBackground = IsDarkMode ? new SolidColorBrush(Color.FromRgb(20, 0, 0)) : new SolidColorBrush(Color.FromRgb(20, 20, 20));
            Pen   penBodyLine     = new Pen(brushBodyLine, dpiFactor);

            double padding = 20;
            double radius  = Math.Min(ActualWidth, ActualHeight) / 2 - padding;

            dc.DrawEllipse(brushBackground, null, new Point(ActualWidth / 2, ActualHeight / 2), radius, radius);

            if (ShowChart && bodyCoordinatesInterpolated != null)
            {
                Geometry clipGeometry = new EllipseGeometry(new Point(ActualWidth / 2, ActualHeight / 2), radius, radius);
                dc.PushClip(clipGeometry);

                var figure = new PathFigure();

                double timeFrom    = FromTime.TotalHours;
                double timeTo      = ToTime.TotalHours;
                double obsDuration = timeTo < timeFrom ? timeTo - timeFrom + 24 : timeTo - timeFrom;

                int fromIndex = (int)(bodyCoordinatesInterpolated.Length / 24 * timeFrom);
                int count     = Math.Max(1, (int)(bodyCoordinatesInterpolated.Length / 24 * obsDuration));

                for (int i = fromIndex; i <= fromIndex + count; i++)
                {
                    var    c     = bodyCoordinatesInterpolated[i > bodyCoordinatesInterpolated.Length - 1 ? i - bodyCoordinatesInterpolated.Length : i];
                    double angle = Angle.ToRadians(c.Azimuth - 90);
                    double r     = radius * (90 - c.Altitude) / 90;
                    double x     = ActualWidth / 2 + r * Math.Cos(angle);
                    double y     = ActualHeight / 2 - r * Math.Sin(angle);

                    if (!figure.Segments.Any())
                    {
                        figure.StartPoint = new Point(x, y);
                    }
                    figure.Segments.Add(new LineSegment(new Point(x, y), true));
                }

                var geometry = new PathGeometry();
                geometry.Figures.Add(figure);
                dc.DrawGeometry(null, penBodyLine, geometry);

                dc.Pop();
            }

            string[] labels = new string[] { "S", "W", "N", "E" };
            for (int i = 0; i < 4; i++)
            {
                var    text  = new FormattedText(Text.Get($"Planner.DirectionChart.{labels[i]}"), System.Globalization.CultureInfo.InvariantCulture, FlowDirection.LeftToRight, new Typeface("Arial"), 10, brushTextLabel);
                double angle = Angle.ToRadians(i * 90 - 90);
                double r     = radius + 5 + Math.Max(text.WidthIncludingTrailingWhitespace / 2, text.Height / 2);
                double x     = ActualWidth / 2 + r * Math.Cos(angle);
                double y     = ActualHeight / 2 - r * Math.Sin(angle);
                dc.DrawText(text, new Point(x - text.WidthIncludingTrailingWhitespace / 2, y - text.Height / 2));
            }
        }
Exemple #7
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 protected override void OnSourceInitialized(EventArgs e)
 {
     base.OnSourceInitialized(e);
     simConnectAdapter.AttachWindow((HwndSource)PresentationSource.FromVisual(this));
 }
        private void HookWin32Message()
        {
            var source = PresentationSource.FromVisual(this) as HwndSource;

            source?.AddHook(WndProc); // Hook Win32 Messages to method
        }
Exemple #9
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        /// <summary>
        ///     Get cropping areas as BitmapFrame
        /// </summary>
        /// <returns></returns>
        public BitmapFrame GetCroppedBitmapFrame()
        {
            var parent =
                VisualTreeHelper.GetParent(_originalCanvas) as UIElement;

            // 1) get current dpi
            PresentationSource source =
                PresentationSource.FromVisual(Application.Current.MainWindow);

            Matrix matrix = source.CompositionTarget.TransformToDevice;

            double dpiX = matrix.M11 * 96;
            double dpiY = matrix.M22 * 96;

            // 2) create RenderTargetBitmap
            var elementBitmap =
                new RenderTargetBitmap(( int )_originalCanvas.ActualWidth,
                                       ( int )_originalCanvas.ActualHeight,
                                       dpiX,
                                       dpiY,
                                       PixelFormats.Pbgra32);

            elementBitmap =
                new RenderTargetBitmap(( int )_originalCanvas
                                       .RenderSize.Width,
                                       ( int )_originalCanvas
                                       .RenderSize.Height,
                                       dpiX,
                                       dpiY,
                                       PixelFormats.Default);

            //Important
            _originalCanvas.Measure(_originalCanvas.RenderSize);
            _originalCanvas.Arrange(new Rect(_originalCanvas.RenderSize));

            // 3) draw element
            elementBitmap.Render(_originalCanvas);

            if (parent != null)
            {
                //Important
                parent.Measure(_originalCanvas.RenderSize);
                parent.Arrange(new Rect(_originalCanvas.RenderSize));
            }

            var crop = new CroppedBitmap(elementBitmap,
                                         new Int32Rect(( int )
                                                       _rectangleManager
                                                       .TopLeft.X,
                                                       ( int )
                                                       _rectangleManager
                                                       .TopLeft.Y,
                                                       ( int )
                                                       _rectangleManager
                                                       .RectangleWidth,
                                                       ( int )
                                                       _rectangleManager
                                                       .RectangleHeight));

            return(BitmapFrame.Create(crop));
        }
        private static IntPtr GetHwnd(Popup popup)
        {
            var source = (HwndSource)PresentationSource.FromVisual(popup.Child);

            return(source.Handle);
        }
        //MainWindow构造函数
        public MainWindow()
        {
            #region "读取注册表(必须在初始化之前读取)"
            //背景图片
            string bg        = RegeditRW.RegReadString("Background");
            double bgStretch = RegeditRW.RegRead("BackgroundStretch");
            //透明度
            double bgAlpha      = RegeditRW.RegRead("BGAlpha");
            double bgPanelAlpha = RegeditRW.RegRead("BGPanelAlpha");
            double windowAlpha  = RegeditRW.RegRead("WindowAlpha");
            //窗口大小
            double mainWindowHeight = RegeditRW.RegRead("MainWindowHeight");
            double mainWindowWidth  = RegeditRW.RegRead("MainWindowWidth");
            //字体
            string mainWindowFont = RegeditRW.RegReadString("MainWindowFont");
            //设置菜单
            double winTopmost = RegeditRW.RegRead("Topmost");
            //游戏版本
            double gameVersion = RegeditRW.RegRead("GameVersion");
            #endregion
            //初始化
            InitializeComponent();
            //窗口缩放
            SourceInitialized += delegate(object sender, EventArgs e) { _HwndSource = PresentationSource.FromVisual((Visual)sender) as HwndSource; };
            MouseMove         += new System.Windows.Input.MouseEventHandler(Window_MouseMove);
            //mainWindow初始化标志
            MWInit = true;
            #region "读取设置"
            //设置字体
            if (mainWindowFont == "" || mainWindowFont == null)
            {
                RegeditRW.RegWrite("MainWindowFont", "微软雅黑");
                mainWindowFont = "微软雅黑";
            }
            mainWindow.FontFamily = new FontFamily(mainWindowFont);
            //版本初始化
            UI_Version.Text = "v" + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
            //窗口可视化计时器
            VisiTimer.Enabled  = true;
            VisiTimer.Interval = 200;
            VisiTimer.Tick    += new EventHandler(VisiTimerEvent);
            VisiTimer.Start();
            //设置光标资源字典路径
            cursorDictionary.Source = new Uri("Dictionary/CursorDictionary.xaml", UriKind.Relative);
            //显示窗口
            MWVisivility = true;
            //右侧面板Visibility属性初始化
            RightPanelVisibility("Welcome");

            //窗口置顶
            if (winTopmost == 1)
            {
                Se_button_Topmost_Click(null, null);
            }
            //设置背景
            if (bg == "")
            {
                Se_BG_Alpha_Text.Foreground = Brushes.Silver;
                Se_BG_Alpha.IsEnabled       = false;
            }
            else
            {
                Se_BG_Alpha_Text.Foreground = Brushes.Black;
                try
                {
                    var brush = new ImageBrush()
                    {
                        ImageSource = new BitmapImage(new Uri(bg))
                    };
                    UI_BackGroundBorder.Background = brush;
                }
                catch
                {
                    Visi.VisiCol(true, UI_BackGroundBorder);
                }
            }
            //设置背景拉伸方式
            if (bgStretch == 0)
            {
                bgStretch = 2;
            }
            Se_ComboBox_Background_Stretch.SelectedIndex = (int)bgStretch - 1;
            //设置背景透明度
            if (bgAlpha == 0)
            {
                bgAlpha = 101;
            }
            Se_BG_Alpha.Value           = bgAlpha - 1;
            Se_BG_Alpha_Text.Text       = "背景不透明度:" + (int)Se_BG_Alpha.Value + "%";
            UI_BackGroundBorder.Opacity = (bgAlpha - 1) / 100;
            //设置面板透明度
            if (bgPanelAlpha == 0)
            {
                bgPanelAlpha = 61;
            }
            Se_Panel_Alpha.Value         = bgPanelAlpha - 1;
            Se_Panel_Alpha_Text.Text     = "面板不透明度:" + (int)Se_Panel_Alpha.Value + "%";
            RightGrid.Background.Opacity = (bgPanelAlpha - 1) / 100;
            //设置窗口透明度
            if (windowAlpha == 0)
            {
                windowAlpha = 101;
            }
            Se_Window_Alpha.Value     = windowAlpha - 1;
            Se_Window_Alpha_Text.Text = "窗口不透明度:" + (int)Se_Window_Alpha.Value + "%";
            Opacity = (windowAlpha - 1) / 100;
            //设置高度和宽度
            Width  = mainWindowWidth;
            Height = mainWindowHeight;
            //设置游戏版本
            UI_gameversion.SelectedIndex = (int)gameVersion;
            #endregion
        }
Exemple #12
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        public static Point TransformFromDeviceDPI(this Visual visual, Point pt)
        {
            Matrix m = PresentationSource.FromVisual(visual).CompositionTarget.TransformToDevice;

            return(new Point(pt.X * m.M11, pt.Y * m.M22));
        }
Exemple #13
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        public static Size TransformFromDeviceDPI(this Visual visual, Size size)
        {
            Matrix m = PresentationSource.FromVisual(visual).CompositionTarget.TransformToDevice;

            return(new Size(size.Width * m.M11, size.Height * m.M22));
        }
Exemple #14
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 public static bool CanTransform(this Visual visual)
 {
     return(PresentationSource.FromVisual(visual) != null);
 }
Exemple #15
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        /// <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)
            {
                return;
            }

            // 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;

            IntPtr handle = IntPtr.Zero;

            if (TrayPopupResolved.Child != null)
            {
                // try to get a handle on the popup itself (via its child)
                HwndSource source = (HwndSource)PresentationSource.FromVisual(TrayPopupResolved.Child);
                if (source != null)
                {
                    handle = source.Handle;
                }
            }

            // if we don't have a handle for the popup, fall back to the message sink
            if (handle == IntPtr.Zero)
            {
                handle = messageSink.MessageWindowHandle;
            }

            // activate either popup or message sink to track deactivation.
            // otherwise, the popup does not close if the user clicks somewhere else
            WinApi.SetForegroundWindow(handle);

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

            // bubble routed event
            RaiseTrayPopupOpenEvent();
        }
Exemple #16
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        private static void ABSetPos(RegisterInfo info, Window appbarWindow, FrameworkElement childElement)
        {
            var edge = info.Edge;
            var barData = new Interop.APPBARDATA();
            barData.cbSize = Marshal.SizeOf(barData);
            barData.hWnd = new WindowInteropHelper(appbarWindow).Handle;
            barData.uEdge = (int)edge;

            // Transforms a coordinate from WPF space to Screen space
            var toPixel = PresentationSource.FromVisual(appbarWindow).CompositionTarget.TransformToDevice;
            // Transforms a coordinate from Screen space to WPF space
            var toWpfUnit = PresentationSource.FromVisual(appbarWindow).CompositionTarget.TransformFromDevice;

            // Transform window size from wpf units (1/96 ") to real pixels, for win32 usage
            var sizeInPixels = (childElement != null ?
                toPixel.Transform(new Vector(childElement.ActualWidth, childElement.ActualHeight)) :
                toPixel.Transform(new Vector(appbarWindow.ActualWidth, appbarWindow.ActualHeight)));
            // Even if the documentation says SystemParameters.PrimaryScreen{Width, Height} return values in
            // "pixels", they return wpf units instead.
            var actualWorkArea = GetActualWorkArea(info);
            var screenSizeInPixels =
                toPixel.Transform(new Vector(actualWorkArea.Width, actualWorkArea.Height));
            var workTopLeftInPixels =
                toPixel.Transform(new Point(actualWorkArea.Left, actualWorkArea.Top));
            var workAreaInPixelsF = new Rect(workTopLeftInPixels, screenSizeInPixels);

            if (barData.uEdge == (int)ABEdge.Left || barData.uEdge == (int)ABEdge.Right)
            {
                barData.rc.top = (int)workAreaInPixelsF.Top;
                barData.rc.bottom = (int)workAreaInPixelsF.Bottom;
                if (barData.uEdge == (int)ABEdge.Left)
                {
                    barData.rc.left = (int)workAreaInPixelsF.Left;
                    //Left might not always be zero so we need to accommodate for that.
                    //For example, if the Start Menu is docked LEFT, if we don't do the math, we'll end up with a negative size error
                    barData.rc.right = barData.rc.left + (int)Math.Round(sizeInPixels.X);
                }
                else {
                    barData.rc.right = (int)workAreaInPixelsF.Right;
                    barData.rc.left = barData.rc.right - (int)Math.Round(sizeInPixels.X);
                }
            }
            else
            {
                barData.rc.left = (int)workAreaInPixelsF.Left;
                barData.rc.right = (int)workAreaInPixelsF.Right;
                if (barData.uEdge == (int)ABEdge.Top)
                {
                    barData.rc.top = (int)workAreaInPixelsF.Top;
                    //Top might not always be zero so we need to accommodate for that.
                    //For example, if the Start Menu is docked TOP, if we don't do the math, we'll end up with a negative size error
                    barData.rc.bottom = barData.rc.top + (int)Math.Round(sizeInPixels.Y);
                }
                else {
                    barData.rc.bottom = (int)workAreaInPixelsF.Bottom;
                    barData.rc.top = barData.rc.bottom - (int)Math.Round(sizeInPixels.Y);
                }
            }

            Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_QUERYPOS, ref barData);
            Interop.SHAppBarMessage((int)Interop.ABMsg.ABM_SETPOS, ref barData);

            // transform back to wpf units, for wpf window resizing in DoResize.
            var location = toWpfUnit.Transform(new Point(barData.rc.left, barData.rc.top));
            var dimension = toWpfUnit.Transform(new Vector(
                (barData.rc.right - barData.rc.left),
                (barData.rc.bottom - barData.rc.top)));

            // sometimes it calculates invalid new size, so ignore it if either X or Y is zero or negative.
            if (dimension.X <= 0 || dimension.Y <= 0) return;

            var rect = new Rect(location, new Size(dimension.X, dimension.Y));
            info.DockedSize = rect;

            //This is done async, because WPF will send a resize after a new appbar is added.
            //if we size right away, WPFs resize comes last and overrides us.
            appbarWindow.Dispatcher.BeginInvoke(DispatcherPriority.ApplicationIdle,
                new ResizeDelegate(DoResize), appbarWindow, rect);
        }
Exemple #17
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 /// <summary>
 /// 获得控件句柄
 /// </summary>
 public static IntPtr GetVisualHandle(Visual visual)
 {
     return(((HwndSource)PresentationSource.FromVisual(visual)).Handle);
 }
 /// <summary>
 ///  Direct reference to the window pointer
 /// </summary>
 /// <returns></returns>
 protected HwndSource GetHWinSource()
 {
     return(PresentationSource.FromVisual(this) as HwndSource);
 }
Exemple #19
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 public static bool IsAttachedToPresentationSource(this Visual element)
 {
     return(PresentationSource.FromVisual(element) != null);
 }
Exemple #20
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        public MainWindow()
        {
            var connectedOk = true;

            GazeManager.Instance.Activate(GazeManager.ApiVersion.VERSION_1_0, GazeManager.ClientMode.Push);
            GazeManager.Instance.AddGazeListener(this);

            if (!GazeManager.Instance.IsActivated)
            {
                Dispatcher.BeginInvoke(new Action(() => MessageBox.Show("EyeTribe Server has not been started")));
                connectedOk = false;
            }

            /*else if (!GazeManager.Instance.IsCalibrated)
             * {
             *  Dispatcher.BeginInvoke(new Action(() => MessageBox.Show("User is not calibrated")));
             *  connectedOk = false;
             * }*/
            if (!connectedOk)
            {
                Close();
                return;
            }

            InitializeComponent();

            // Check if multi-touch capability is available
            IsTouchEnabled = TouchHandler.DigitizerCapabilities.IsMultiTouchReady;
            if (IsTouchEnabled)
            {
                // Register for stylus (touch) events
                StylusDown += MainWindowStylusDown;
                StylusUp   += MainWindowStylusUp;
            }

            // Register for mouse clicks
            PreviewMouseDown += TapDown;
            PreviewMouseUp   += TapUp;

            // Register for key events
            KeyDown += WindowKeyDown;
            KeyUp   += WindowKeyUp;

            // Get the current DIP scale
            dpiScale = CalcDpiScale();

            // Hide all from start
            GridTop.Visibility = Visibility.Collapsed;

            scrollTimer = new Timer {
                Interval = 30, Enabled = true
            };
            scrollTimer.Tick += ScrollTimerTick;

            Loaded += (sender, args) =>
            {
                if (Screen.PrimaryScreen.Bounds.Width > MAX_IMAGE_WIDTH)
                {
                    WebImage.Width = MAX_IMAGE_WIDTH * dpiScale;
                }
                else
                {
                    WebImage.Width = Screen.PrimaryScreen.Bounds.Width * dpiScale;
                }

                // Transformation matrix that accomodate for the DPI settings
                var presentationSource = PresentationSource.FromVisual(this);
                transfrm = presentationSource.CompositionTarget.TransformFromDevice;

                // enable stylus (touch) events
                if (IsTouchEnabled)
                {
                    Factory.EnableStylusEvents(this);
                }

                ExecuteSelectedButton("newyorktimes");
            };
        }
        /// <summary>
        ///  Connects the filters of a previously created graph
        ///  (created by CreateGraph()). Once rendered the graph
        ///  is ready to be used. This method may also destroy
        ///  streams if we have streams we no longer want.
        /// </summary>
        protected void RenderGraph()
        {
            var       didSomething    = false;
            const int WS_CHILD        = 0x40000000;
            const int WS_CLIPCHILDREN = 0x02000000;
            const int WS_CLIPSIBLINGS = 0x04000000;

            // Stop the graph
            MediaControl?.Stop();

            // Create the graph if needed (group should already be created)
            CreateGraph();

            // Derender the graph if we have a capture or preview stream
            // that we no longer want. We can't derender the capture and
            // preview streams seperately.
            // Notice the second case will leave a capture stream intact
            // even if we no longer want it. This allows the user that is
            // not using the preview to Stop() and Start() without
            // rerendering the graph.
            if (!WantPreviewRendered && IsPreviewRendered)
            {
                DerenderGraph();
            }

            // Render preview stream (only if necessary)
            if (WantPreviewRendered && !IsPreviewRendered)
            {
                // Render preview (video -> renderer)
                var cat = Uuid.PinCategory.Preview;
                var med = Uuid.MediaType.Video;
                var hr  = CaptureGraphBuilder.RenderStream(ref cat, ref med, VideoDeviceFilter, _baseGrabFlt, null);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                // Get the IVideoWindow interface
                VideoWindow = (ControlStreaming.IVideoWindow)GraphBuilder;

                // Set the video window to be a child of the main window
                var source = PresentationSource.FromVisual(PreviewWindow) as HwndSource;
                hr = VideoWindow.put_Owner(source.Handle);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                // Set video window style
                hr = VideoWindow.put_WindowStyle(WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                // Position video window in client rect of owner window
                PreviewWindow.SizeChanged += OnPreviewWindowResize;
                OnPreviewWindowResize(this, null);

                // Make the video window visible, now that it is properly positioned
                hr = VideoWindow.put_Visible(CoreStreaming.DsHlp.OATRUE);
                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }

                IsPreviewRendered = true;
                didSomething      = true;

                var media = new CoreStreaming.AMMediaType();
                hr = SampGrabber.GetConnectedMediaType(media);

                if (hr < 0)
                {
                    Marshal.ThrowExceptionForHR(hr);
                }
                if ((media.formatType != Uuid.FormatType.VideoInfo) || (media.formatPtr == IntPtr.Zero))
                {
                    throw new NotSupportedException("Unknown Grabber Media Format");
                }

                _videoInfoHeader = (EditStreaming.VideoInfoHeader)Marshal.PtrToStructure(media.formatPtr, typeof(EditStreaming.VideoInfoHeader));
                Marshal.FreeCoTaskMem(media.formatPtr); media.formatPtr = IntPtr.Zero;
            }

            if (didSomething)
            {
                ActualGraphState = GraphState.Rendered;
            }
        }
Exemple #22
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        public static void Init_WndProc(System.Windows.Window window, HwndSourceHook hwndSourceHook)
        {
            HwndSource source = PresentationSource.FromVisual(window) as HwndSource;

            source.AddHook(hwndSourceHook);
        }
        public static Rect TransformFromDevice(this Rect rect, Visual visual)
        {
            Matrix matrix = PresentationSource.FromVisual(visual).CompositionTarget.TransformFromDevice;

            return(Rect.Transform(rect, matrix));
        }
Exemple #24
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        /// <summary>
        /// Displays the child window and collects results for <see cref="IInteractionRequest"/>.
        /// </summary>
        /// <param name="parameter">The parameter to the action. If the action does not require a parameter, the parameter may be set to a null reference.</param>
        protected override void Invoke(object parameter)
        {
            var args = parameter as InteractionRequestedEventArgs;

            if (args == null)
            {
                return;
            }

            // If the WindowContent shouldn't be part of another visual tree.
            if (this.WindowContent != null && this.WindowContent.Parent != null)
            {
                return;
            }

            Window wrapperWindow = this.GetWindow(args.Context);

            // We invoke the callback when the interaction's window is closed.
            var          callback = args.Callback;
            EventHandler handler  = null;

            handler =
                (o, e) =>
            {
                wrapperWindow.Closed -= handler;
                wrapperWindow.Content = null;
                if (callback != null)
                {
                    callback();
                }
            };
            wrapperWindow.Closed += handler;

            if (this.CenterOverAssociatedObject && this.AssociatedObject != null)
            {
                // If we should center the popup over the parent window we subscribe to the SizeChanged event
                // so we can change its position after the dimensions are set.
                SizeChangedEventHandler sizeHandler = null;
                sizeHandler =
                    (o, e) =>
                {
                    wrapperWindow.SizeChanged -= sizeHandler;

                    FrameworkElement view = this.AssociatedObject;

                    // Position is the top left position of the view from which the request was initiated.
                    // On multiple monitors, if the X or Y coordinate is negative it represent that the monitor from which
                    // the request was initiated is either on the left or above the PrimaryScreen

                    Point position            = view.PointToScreen(new Point(0, 0));
                    PresentationSource source = PresentationSource.FromVisual(view);
                    position = source.CompositionTarget.TransformFromDevice.Transform(position);

                    // Find the middle of the calling view.
                    // Take the width and height of the view divided by 2 and add to the X and Y coordinates.

                    var middleOfView = new Point(position.X + (view.ActualWidth / 2),
                                                 position.Y + (view.ActualHeight / 2));

                    // Set the coordinates for the top left part of the wrapperWindow.
                    // Take the width of the wrapperWindow, divide it by 2 and substract it from
                    // the X coordinate of middleOfView. Do the same thing for the Y coordinate.
                    // If the wrapper window is wider or taller than the view, it will be behind the view.

                    wrapperWindow.Left = middleOfView.X - (wrapperWindow.ActualWidth / 2);
                    wrapperWindow.Top  = middleOfView.Y - (wrapperWindow.ActualHeight / 2);
                };
                wrapperWindow.SizeChanged += sizeHandler;
            }

            if (this.IsModal)
            {
                wrapperWindow.ShowDialog();
            }
            else
            {
                wrapperWindow.Show();
            }
        }
        public static Point TransformFromDevice(this Point point, Visual visual)
        {
            Matrix matrix = PresentationSource.FromVisual(visual).CompositionTarget.TransformFromDevice;

            return(new Point(point.X * matrix.M11, point.Y * matrix.M22));
        }
        private void FillDpiCombobox()
        {
            double systemDpiScale;

            _isInternalChange = true;

            // We can get the system DPI scale from
            // PresentationSource.FromVisual(this).CompositionTarget.TransformToDevice.M11 and M22
            var presentationSource = PresentationSource.FromVisual(this);

            if (presentationSource != null && presentationSource.CompositionTarget != null)
            {
                // Theoretically we can have different x any y DPI scale so we make an average
                systemDpiScale = (presentationSource.CompositionTarget.TransformToDevice.M11 + presentationSource.CompositionTarget.TransformToDevice.M22) / 2;
            }
            else
            {
                systemDpiScale = 1.0; // This should not happen
            }

            // First entry is "System default"
            var systemDefaultComboBoxItem = new ComboBoxItem()
            {
                Content = string.Format(System.Globalization.CultureInfo.InvariantCulture,
                                        "System default - {0:0} DPI (scale: {1:0.0#})",
                                        96.0 * systemDpiScale, systemDpiScale),

                Tag = double.NaN // Tag = DpiScale (NaN = system default)
            };

            if (double.IsNaN(SelectedDpiScale))
            {
                systemDefaultComboBoxItem.IsSelected = true;
            }

            DpiComboBox.Items.Add(systemDefaultComboBoxItem);

            foreach (var possibleDpiValue in _possibleDpiValues)
            {
                double scale = possibleDpiValue / 96.0;

                var comboBoxItem = new ComboBoxItem()
                {
                    Content = string.Format(System.Globalization.CultureInfo.InvariantCulture,
                                            "{0:0} DPI (scale: {1:0.0#})",
                                            possibleDpiValue, scale),

                    Tag = scale // Tag = DpiScale
                };

                // ReSharper disable once CompareOfFloatsByEqualityOperator
                if (SelectedDpiScale == scale)
                {
                    comboBoxItem.IsSelected = true;
                }

                DpiComboBox.Items.Add(comboBoxItem);
            }

            _isInternalChange = false;
        }
        protected override void OnAttached()
        {
            if (PresentationSource.FromVisual(AssociatedObject) != null)
            {
                AddHwndHook();
            }
            else
            {
                AssociatedObject.SourceInitialized += AssociatedObject_SourceInitialized;
            }

            if (AllowsTransparency && EnableDWMDropShadow)
            {
                throw new InvalidOperationException("EnableDWMDropShadow cannot be set to True when AllowsTransparency is True.");
            }

            AssociatedObject.WindowStyle = WindowStyle.None;
            if (!AssociatedObject.IsLoaded)
            {
                try
                {
                    AssociatedObject.AllowsTransparency = AllowsTransparency;
                }
                catch (Exception)
                {
                    //For some reason, we can't determine if the window has loaded or not. So we will swallow the exception.
                }
            }
            AssociatedObject.StateChanged += AssociatedObjectStateChanged;
            AssociatedObject.SetValue(WindowChrome.GlassFrameThicknessProperty, new Thickness(-1));

            var window = AssociatedObject as MetroWindow;

            if (window != null)
            {
                AssociatedObject.Activated += (s, e) => HandleMaximize();
                //MetroWindow already has a border we can use
                AssociatedObject.Loaded += (s, e) =>
                {
                    var ancestors = window.GetPart <Border>("PART_Border");
                    Border = ancestors;
                    if (ShouldHaveBorder())
                    {
                        AddBorder();
                    }
                    var titleBar = window.GetPart <Grid>("PART_TitleBar");
                    if (titleBar != null)
                    {
                        titleBar.SetValue(WindowChrome.IsHitTestVisibleInChromeProperty, true);
                    }
                    var windowCommands = window.GetPart <ContentPresenter>("PART_WindowCommands");
                    if (windowCommands != null)
                    {
                        windowCommands.SetValue(WindowChrome.IsHitTestVisibleInChromeProperty, true);
                    }
                    var windowButtonCommands = window.GetPart <ContentControl>("PART_WindowButtonCommands");
                    if (windowButtonCommands != null)
                    {
                        windowButtonCommands.SetValue(WindowChrome.IsHitTestVisibleInChromeProperty, true);
                    }
                };

                switch (AssociatedObject.ResizeMode)
                {
                case ResizeMode.NoResize:
                    window.ShowMaxRestoreButton = false;
                    window.ShowMinButton        = false;
                    ResizeWithGrip = false;
                    break;

                case ResizeMode.CanMinimize:
                    window.ShowMaxRestoreButton = false;
                    ResizeWithGrip = false;
                    break;

                case ResizeMode.CanResize:
                    ResizeWithGrip = false;
                    break;

                case ResizeMode.CanResizeWithGrip:
                    ResizeWithGrip = true;
                    break;
                }
            }
            else
            {
                //Other windows may not, easiest to just inject one!
                var content = (UIElement)AssociatedObject.Content;
                AssociatedObject.Content = null;

                Border = new Border
                {
                    Child       = content,
                    BorderBrush = new SolidColorBrush(Colors.Black)
                };

                AssociatedObject.Content = Border;
            }

            if (ResizeWithGrip)
            {
                AssociatedObject.ResizeMode = ResizeMode.CanResizeWithGrip;
            }

            if (AutoSizeToContent)
            {
                AssociatedObject.Loaded += (s, e) =>
                {
                    //Temp fix, thanks @lynnx
                    AssociatedObject.SizeToContent = SizeToContent.Height;
                    AssociatedObject.SizeToContent = AutoSizeToContent ?
                                                     SizeToContent.WidthAndHeight : SizeToContent.Manual;
                }
            }
            ;

            base.OnAttached();
        }
Exemple #28
0
        private async void RegionClickCanvas_MouseUp(object sender, MouseButtonEventArgs e)
        {
            isSelecting = false;
            Matrix m = PresentationSource.FromVisual(this).CompositionTarget.TransformToDevice;

            var mPt = GetMousePos();

            System.Windows.Point movingPoint = e.GetPosition(this);
            movingPoint.X *= m.M11;
            movingPoint.Y *= m.M22;



            movingPoint.X = Math.Round(movingPoint.X);
            movingPoint.Y = Math.Round(movingPoint.Y);

            if (mPt == movingPoint)
            {
                Debug.WriteLine("Probably on Screen 1");
            }

            double correctedLeft = this.Left;
            double correctedTop  = this.Top;

            if (correctedLeft < 0)
            {
                correctedLeft = 0;
            }

            if (correctedTop < 0)
            {
                correctedTop = 0;
            }

            double xDimScaled = (Canvas.GetLeft(selectBorder) * m.M11);
            double yDimScaled = (Canvas.GetTop(selectBorder) * m.M22);

            Rectangle regionScaled = new Rectangle(
                (int)xDimScaled,
                (int)yDimScaled,
                (int)(selectBorder.Width * m.M11),
                (int)(selectBorder.Height * m.M22));

            string grabbedText = "";

            // remove selectBorder before capture - force screen Re-render to actually remove it
            try { RegionClickCanvas.Children.Remove(selectBorder); } catch { }
            RegionClickCanvas.Background.Opacity = 0;
            RegionClickCanvas.UpdateLayout();
            RegionClickCanvas.Dispatcher.Invoke(() => { }, DispatcherPriority.Render);

            if (regionScaled.Width < 3 || regionScaled.Height < 3)
            {
                grabbedText = await GetClickedWord(new System.Windows.Point(xDimScaled, yDimScaled));
            }
            else
            {
                grabbedText = await GetRegionsText(regionScaled);
            }

            if (string.IsNullOrWhiteSpace(grabbedText) == false)
            {
                Clipboard.SetText(grabbedText);
                if (Settings.Default.ShowToast)
                {
                    ShowToast(grabbedText);
                }
                App.Current.Shutdown();
            }
            else
            {
                RegionClickCanvas.Background.Opacity = .2;
            }
        }
Exemple #29
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        void Timer_Elapsed(object sender, ElapsedEventArgs e)
        {
            if (Dispatcher.Thread != Thread.CurrentThread)
            {
                Dispatcher.BeginInvoke(new EventHandler <ElapsedEventArgs>(Timer_Elapsed), new object[] { sender, e });
                return;
            }
            try
            {
                Point curMousePos = m_lastItemOver != null?Win32Calls.GetPosition(m_lastItemOver) : new Point(-1, -1);

                if (m_lastItemOver != null && new Rect(0, 0, m_lastItemOver.ActualWidth, m_lastItemOver.ActualHeight).Contains(curMousePos))
                {
                    TimeSpan ts = DateTime.Now - m_timerTime;
                    if (ts.TotalMilliseconds > 500 || Mouse.LeftButton == MouseButtonState.Pressed)
                    {
                        ShowPopup();
                        m_lastItemOver.IsChecked = true;
                        m_lastItemOver           = null;
                        m_timerTime = DateTime.Now;
                    }
                    m_timer.Start();
                }
                else
                {
                    var app = Application.Current;
                    if (app == null)
                    {
                        return;
                    }

                    var window = app.MainWindow;
                    if (window == null || !window.IsActive)
                    {
                        return;
                    }

                    if (PART_Popup.IsOpen && !PART_Popup.Resizing)
                    {
                        Win32Calls.Win32Point pt32 = new Win32Calls.Win32Point();
                        Win32Calls.GetCursorPos(ref pt32);
                        Point  mousePos = new Point(pt32.X, pt32.Y);
                        Point  pos      = PointToScreen(new Point(0, 0));
                        Matrix m        = PresentationSource.FromVisual(Window.GetWindow(this)).CompositionTarget.TransformToDevice;
                        if (m != Matrix.Identity)
                        {
                            m.Invert();
                            mousePos = m.Transform(mousePos);
                            pos      = m.Transform(pos);
                        }
                        switch (TabsPlacement)
                        {
                        case System.Windows.Controls.Dock.Top:
                            pos.Y += ActualHeight;
                            break;

                        case System.Windows.Controls.Dock.Bottom:
                            pos.Y -= PART_Popup.Height;
                            break;

                        case System.Windows.Controls.Dock.Left:
                            pos.X += ActualWidth;
                            break;

                        case System.Windows.Controls.Dock.Right:
                            pos.X -= PART_Popup.Width;
                            break;
                        }
                        bool  b2      = new Rect(pos.X, pos.Y, PART_Popup.Width, PART_Popup.Height).Contains(mousePos);
                        Point posThis = Win32Calls.GetPosition(this);
                        bool  b3      = new Rect(0, 0, ActualWidth, ActualHeight).Contains(posThis);
                        if (!b2 && !b3)
                        {
                            TimeSpan ts = DateTime.Now - m_timerTime;
                            if (ts.TotalMilliseconds > 1000)
                            {
                                // if mouse is outside for more than some time, then collapse this popup
                                ClosePopup();
                            }
                            else
                            {
                                m_timer.Start();
                            }
                        }
                        else
                        {
                            m_timerTime = DateTime.Now;
                            m_timer.Start();
                        }
                    }
                }
            }
            catch (InvalidOperationException)
            {
                // Can be thrown when closing the application and popup is still open...
            }
        }
Exemple #30
0
 /// <summary>
 /// Credit the code below to https://engy.us/blog/2020/01/01/implementing-a-custom-window-title-bar-in-wpf/
 /// </summary>
 /// <param name="hwnd"></param>
 /// <param name="msg"></param>
 /// <param name="wParam"></param>
 /// <param name="lParam"></param>
 /// <param name="handled"></param>
 /// <returns></returns>
 protected override void OnSourceInitialized(EventArgs e)
 {
     base.OnSourceInitialized(e);
     ((HwndSource)PresentationSource.FromVisual(this)).AddHook(HookProc);
 }