Exemplo n.º 1
0
        /// <summary>
        /// Right mouse button is released
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
        {
            int al = drawArea.TheLayers.ActiveLayerIndex;

            if (selectMode == SelectionMode.NetSelection)
            {
                // Group selection
                drawArea.TheLayers[al].Graphics.SelectInRectangle(drawArea.NetRectangle);

                selectMode = SelectionMode.None;
                drawArea.DrawNetRectangle = false;
            }

            if (resizedObject != null)
            {
                // after resizing
                resizedObject.Normalize();
                resizedObject = null;
            }

            drawArea.Capture = false;
            drawArea.Refresh();

            if (commandChangeState != null && wasMove)
            {
                // Keep state after moving/resizing and add command to history
                commandChangeState.NewState(drawArea.TheLayers);
                drawArea.AddCommandToHistory(commandChangeState);
                commandChangeState = null;
            }
            lastPoint = drawArea.BackTrackMouse(e.Location);
        }
Exemplo n.º 2
0
		/// <summary>
		/// Left mouse button is pressed
		/// </summary>
		/// <param name="drawArea"></param>
		/// <param name="e"></param>
		public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
		{
			commandChangeState = null;
			wasMove = false;

			selectMode = SelectionMode.None;
			Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y));

			// Test for resizing (only if control is selected, cursor is on the handle)
			int al = drawArea.TheLayers.ActiveLayerIndex;
			int n = drawArea.TheLayers[al].Graphics.SelectionCount;

			for (int i = 0; i < n; i++)
			{
				DrawObject o = drawArea.TheLayers[al].Graphics.GetSelectedObject(i);
				int handleNumber = o.HitTest(point);

				if (handleNumber > 0)
				{
					selectMode = SelectionMode.Size;
					// keep resized object in class members
					resizedObject = o;
					resizedObjectHandle = handleNumber;
					// Since we want to resize only one object, unselect all other objects
					drawArea.TheLayers[al].Graphics.UnselectAll();
					o.Selected = true;
					commandChangeState = new CommandChangeState(drawArea.TheLayers);
					break;
				}
			}

			// Test for move (cursor is on the object)
			if (selectMode == SelectionMode.None)
			{
				int n1 = drawArea.TheLayers[al].Graphics.Count;
				DrawObject o = null;

				for (int i = 0; i < n1; i++)
				{
					if (drawArea.TheLayers[al].Graphics[i].HitTest(point) == 0)
					{
						o = drawArea.TheLayers[al].Graphics[i];
						break;
					}
				}

				if (o != null)
				{
					selectMode = SelectionMode.Move;

					// Unselect all if Ctrl is not pressed and clicked object is not selected yet
					if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
						drawArea.TheLayers[al].Graphics.UnselectAll();

					// Select clicked object
					o.Selected = true;
					commandChangeState = new CommandChangeState(drawArea.TheLayers);

					drawArea.Cursor = Cursors.SizeAll;
				}
			}

			// Net selection
			if (selectMode == SelectionMode.None)
			{
				// click on background
				if ((Control.ModifierKeys & Keys.Control) == 0)
					drawArea.TheLayers[al].Graphics.UnselectAll();

				selectMode = SelectionMode.NetSelection;
				drawArea.DrawNetRectangle = true;
			}

			lastPoint.X = point.X;
			lastPoint.Y = point.Y;
			startPoint.X = point.X;
			startPoint.Y = point.Y;

			drawArea.Capture = true;
			drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint);
			drawArea.Refresh();
		}
Exemplo n.º 3
0
		/// <summary>
		/// Right mouse button is released
		/// </summary>
		/// <param name="drawArea"></param>
		/// <param name="e"></param>
		public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e)
		{
			int al = drawArea.TheLayers.ActiveLayerIndex;
			if (selectMode == SelectionMode.NetSelection)
			{
				// Group selection
				drawArea.TheLayers[al].Graphics.SelectInRectangle(drawArea.NetRectangle);

				selectMode = SelectionMode.None;
				drawArea.DrawNetRectangle = false;
			}

			if (resizedObject != null)
			{
				// after resizing
				resizedObject.Normalize();
				resizedObject = null;
			}

			drawArea.Capture = false;
			drawArea.Refresh();

			if (commandChangeState != null && wasMove)
			{
				// Keep state after moving/resizing and add command to history
				commandChangeState.NewState(drawArea.TheLayers);
				drawArea.AddCommandToHistory(commandChangeState);
				commandChangeState = null;
			}
			lastPoint = drawArea.BackTrackMouse(e.Location);
		}
Exemplo n.º 4
0
        /// <summary>
        /// Left mouse button is pressed
        /// </summary>
        /// <param name="drawArea"></param>
        /// <param name="e"></param>
        public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e)
        {
            commandChangeState = null;
            wasMove            = false;

            selectMode = SelectionMode.None;
            Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y));

            // Test for resizing (only if control is selected, cursor is on the handle)
            int al = drawArea.TheLayers.ActiveLayerIndex;
            int n  = drawArea.TheLayers[al].Graphics.SelectionCount;

            for (int i = 0; i < n; i++)
            {
                DrawObject o            = drawArea.TheLayers[al].Graphics.GetSelectedObject(i);
                int        handleNumber = o.HitTest(point);

                if (handleNumber > 0)
                {
                    selectMode = SelectionMode.Size;
                    // keep resized object in class members
                    resizedObject       = o;
                    resizedObjectHandle = handleNumber;
                    // Since we want to resize only one object, unselect all other objects
                    drawArea.TheLayers[al].Graphics.UnselectAll();
                    o.Selected         = true;
                    commandChangeState = new CommandChangeState(drawArea.TheLayers);
                    break;
                }
            }

            // Test for move (cursor is on the object)
            if (selectMode == SelectionMode.None)
            {
                int        n1 = drawArea.TheLayers[al].Graphics.Count;
                DrawObject o  = null;

                for (int i = 0; i < n1; i++)
                {
                    if (drawArea.TheLayers[al].Graphics[i].HitTest(point) == 0)
                    {
                        o = drawArea.TheLayers[al].Graphics[i];
                        break;
                    }
                }

                if (o != null)
                {
                    selectMode = SelectionMode.Move;

                    // Unselect all if Ctrl is not pressed and clicked object is not selected yet
                    if ((Control.ModifierKeys & Keys.Control) == 0 && !o.Selected)
                    {
                        drawArea.TheLayers[al].Graphics.UnselectAll();
                    }

                    // Select clicked object
                    o.Selected         = true;
                    commandChangeState = new CommandChangeState(drawArea.TheLayers);

                    drawArea.Cursor = Cursors.SizeAll;
                }
            }

            // Net selection
            if (selectMode == SelectionMode.None)
            {
                // click on background
                if ((Control.ModifierKeys & Keys.Control) == 0)
                {
                    drawArea.TheLayers[al].Graphics.UnselectAll();
                }

                selectMode = SelectionMode.NetSelection;
                drawArea.DrawNetRectangle = true;
            }

            lastPoint.X  = point.X;
            lastPoint.Y  = point.Y;
            startPoint.X = point.X;
            startPoint.Y = point.Y;

            drawArea.Capture      = true;
            drawArea.NetRectangle = DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint);
            drawArea.Refresh();
        }