private void canvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!IsSelectable)
{
return;
}
MainCanvas.CaptureMouse(); //Capture mouse to receive events even if the pointer is outside the control
//Start dragging:
_draggingState.StartDragging(WpfCanvasScoreRenderer.ConvertPoint(e.GetPosition(MainCanvas)));
//Check if element under cursor is staff element:
FrameworkElement element = e.OriginalSource as FrameworkElement;
if (element == null)
{
return;
}
if (!Renderer.OwnershipDictionary.ContainsKey(element))
{
return;
}
//Set selected element:
Select(Renderer.OwnershipDictionary[element]);
}
private void MainCanvas_MouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
currentAction = Actions.rotating;
if (SelectedImage == null)
{
var image = e.Source as Image;
if (image == baseImage)
{
return;
}
SelectedImage = image;
}
if (MainCanvas.CaptureMouse())
{
initialClickPosition.X = Canvas.GetLeft(SelectedImage) + SelectedImage.ActualWidth / 2;;
initialClickPosition.Y = Canvas.GetTop(SelectedImage) + SelectedImage.ActualHeight / 2;;
rotateLine.X1 = initialClickPosition.X;
rotateLine.Y1 = initialClickPosition.Y;
rotateLine.X2 = e.GetPosition(MainCanvas).X;
rotateLine.Y2 = e.GetPosition(MainCanvas).Y;
oldAngle = Math2D.AngleBetween(new Vector(1, 0), new Vector(rotateLine.X2 - rotateLine.X1, rotateLine.Y2 - rotateLine.Y1));
Panel.SetZIndex(SelectedImage, 2);
}
}
private void Canvas_MouseDown(object sender, MouseButtonEventArgs e)
{
if (loading)
{
return;
}
Keyboard.Focus(MainCanvas);
mouseDownPoint = e.GetPosition((UIElement)MainCanvas.Parent);
mouseDownPoint.X -= translate.X;
mouseDownPoint.Y -= translate.Y;
MainCanvas.CaptureMouse();
}
private void MainCanvas_OnMouseDown(object sender, MouseButtonEventArgs e)
{
if (e.RightButton == MouseButtonState.Pressed)
{
ResetSelection();
}
if (e.LeftButton != MouseButtonState.Pressed)
{
return;
}
_firstPoint = e.GetPosition(MainCanvas);
if (RegionRectangle.Visibility == Visibility.Collapsed)
{
RegionRectangle.Visibility = Visibility.Visible;
HorizontalLine.Visibility = VerticalLine.Visibility = Visibility.Collapsed;
MainCanvas.CaptureMouse();
_isMouseLeftButtonDown = true;
}
else
{
_isMouseLeftButtonDown = false;
MainCanvas.ReleaseMouseCapture();
var shape = RegionRectangle as Shape;
Util.TryBoundShapeToCanvas(ref shape, MainCanvas);
MainCanvas.Cursor = Cursors.Arrow;
if (SelectedRegionCompleted == null)
{
return;
}
var x = Convert.ToInt32(Canvas.GetLeft(RegionRectangle));
var y = Convert.ToInt32(Canvas.GetTop(RegionRectangle));
var width = Convert.ToInt32(RegionRectangle.Width);
var height = Convert.ToInt32(RegionRectangle.Height);
SelectedRegion = new Int32Rect(x, y, width, height);
SelectedRegionCompleted(this, SelectedRegion);
}
}
private void MainCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var image = e.Source as Image;
if (image == baseImage)
{
return;
}
if (image != null && MainCanvas.CaptureMouse())
{
currentAction = Actions.dragging;
initialClickPosition = e.GetPosition(MainCanvas);
SelectedImage = image;
Panel.SetZIndex(SelectedImage, 2); // in case of multiple images
}
}
private void MainWindow1_MouseDown(object sender, MouseButtonEventArgs e)
{
var rekt = VisualBrush.Viewport;
var cellPos = e.GetPosition(MainCanvas);
int tempX = (int)(cellPos.X / rekt.Width);
int tempY = (int)(cellPos.Y / rekt.Height);
if (e.ChangedButton == MouseButton.Left && e.ButtonState == MouseButtonState.Pressed)
{
Rectangle ClickedRectangle = null;
if (tempX >= Width && tempY >= Height)
{
return;
}
if (_lGrid.LogicGrid1[tempX, tempY] != (int)GlobalSettings.States.Empty)
{
try
{
ClickedRectangle =
VisualTreeHelper.HitTest(MainCanvas, cellPos).VisualHit as Rectangle;
if (Equals(ClickedRectangle.Fill, GlobalSettings.StateColors[(int)GlobalSettings.States.Alive]))
{
ClickedRectangle.Fill = GlobalSettings.StateColors[(int)GlobalSettings.States.Dead];
_lGrid.LogicGrid1[tempX, tempY] = (int)GlobalSettings.States.Dead;
return;
}
if (Equals(ClickedRectangle.Fill, GlobalSettings.StateColors[(int)GlobalSettings.States.Dead]))
{
MainCanvas.Children.Remove(ClickedRectangle);
_visualRectangle.Remove(new Point(tempX, tempY));
_lGrid.LogicGrid1[tempX, tempY] = (int)GlobalSettings.States.Empty;
return;
}
}
catch (NullReferenceException)
{
}
}
else
{
var newCell = new Rectangle
{
Width = rekt.Width,
Height = rekt.Height,
Fill = GlobalSettings.StateColors[(int)GlobalSettings.States.Alive],
Tag = new Point(tempX, tempY)
};
Canvas.SetLeft(newCell, tempX * newCell.Width);
Canvas.SetTop(newCell, tempY * newCell.Height);
_lGrid.LogicGrid1[tempX, tempY] = (int)GlobalSettings.States.Alive;
_visualRectangle.Add(new Point(tempX, tempY), newCell);
MainCanvas.Children.Add(newCell);
}
}
if (e.ChangedButton == MouseButton.Right && e.ButtonState == MouseButtonState.Pressed)
{
_startPoint = e.GetPosition(MainCanvas);
_originalPoint = new Point(TranslateTransform.X, TranslateTransform.Y);
if (!flag)
{
MainCanvas.CaptureMouse();
flag = true;
}
else
{
MainCanvas.ReleaseMouseCapture();
flag = false;
}
}
else if (e.ChangedButton == MouseButton.Right && e.ButtonState == MouseButtonState.Released)
{
MainCanvas.ReleaseMouseCapture();
flag = false;
}
}