/// <summary> /// Right mouse button is released /// </summary> public override void OnMouseUp(MkaDocument docArea, MouseEventArgs e) { if (selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)), Color.Black, FrameStyle.Dashed); // Make group selection docArea.MokkanList.SelectInRectangle( DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)); selectMode = SelectionMode.None; } if (resizedObject != null) { // after resizing resizedObject.Normalize(); resizedObject = null; } docArea.Capture = false; docArea.Refresh(); if (commandChangeState != null && wasMove) { // Keep state after moving/resizing and add command to history commandChangeState.NewState(docArea.MokkanList); docArea.AddCommandToHistory(commandChangeState); commandChangeState = null; } }
/// <summary> /// Mouse move - resize new polygon /// </summary> public override void OnMouseMove(MkaDocument docArea, MouseEventArgs e) { docArea.Cursor = Cursor; if (e.Button != MouseButtons.Left) { return; } if (newPolygon == null) { return; // precaution } Point point = new Point(e.X, e.Y); int distance = (e.X - lastX) * (e.X - lastX) + (e.Y - lastY) * (e.Y - lastY); if (distance < minDistance) { // Distance between last two points is less than minimum - // move last point newPolygon.MoveHandleTo(point, newPolygon.HandleCount); } else { // Add new point newPolygon.AddPoint(point); lastX = e.X; lastY = e.Y; } docArea.Refresh(); }
/// <summary> /// Mouse is moved, left mouse button is pressed or none button is pressed /// </summary> public override void OnMouseMove(MkaDocument docArea, MouseEventArgs e) { docArea.Cursor = Cursor; if (e.Button == MouseButtons.Left) { Point point = new Point(e.X, e.Y); docArea.MokkanList[0].MoveHandleTo(point, 5); docArea.Refresh(); } }
/// <summary> /// Left mouse is released. /// New object is created and resized. /// </summary> public override void OnMouseUp(MkaDocument docArea, MouseEventArgs e) { docArea.MokkanList[0].Normalize(); List <DrawObject> list = new List <DrawObject>(); list.Add(docArea.MokkanList[0]); docArea.AddCommandToHistory(new CommandAdd(list)); docArea.ActiveTool = ToolType.Pointer; docArea.Capture = false; docArea.Refresh(); }
/// <summary> /// Add new object to draw area. /// Function is called when user left-clicks draw area, /// and one of ToolObject-derived tools is active. /// </summary> protected void AddNewObject(MkaDocument docArea, DrawObject o) { docArea.MokkanList.UnselectAll(); o.Selected = true; docArea.MokkanList.Add(o); docArea.MokkanList[0].MokkanInfo.RBangou = docArea.MokkanList.GetNextRBangou(docArea.MokkanList[0].MokkanInfo.RBangou, 1); MkaMokkanInfo.LastRBangou = docArea.MokkanList.GetNextRBangou(MkaMokkanInfo.LastRBangou + 1, 0); docArea.Capture = true; docArea.Refresh(); docArea.SetDirty(); }
/// <summary> /// Left mouse button is pressed /// </summary> public override void OnMouseDown(MkaDocument docArea, MouseEventArgs e) { commandChangeState = null; wasMove = false; selectMode = SelectionMode.None; Point point = new Point(e.X, e.Y); // Test for resizing (only if control is selected, cursor is on the handle) foreach (DrawObject o in docArea.MokkanList.Selection) { int handleNumber = o.HitTest(point); if (handleNumber > 0) { selectMode = SelectionMode.Size; // keep resized object in class member resizedObject = o; resizedObjectHandle = handleNumber; // Since we want to resize only one object, unselect all other objects docArea.MokkanList.UnselectAll(); o.Selected = true; commandChangeState = new CommandChangeState(docArea.MokkanList); break; } } // Test for move (cursor is on the object) if (selectMode == SelectionMode.None) { int n1 = docArea.MokkanList.Count; DrawObject o = null; for (int i = 0; i < n1; i++) { if (docArea.MokkanList[i].HitTest(point) == 0) { o = docArea.MokkanList[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) { docArea.MokkanList.UnselectAll(); } // Select clicked object o.Selected = true; commandChangeState = new CommandChangeState(docArea.MokkanList); docArea.Cursor = Cursors.SizeAll; } } // Net selection if (selectMode == SelectionMode.None) { // click on background if ((Control.ModifierKeys & Keys.Control) == 0) { docArea.MokkanList.UnselectAll(); } selectMode = SelectionMode.NetSelection; } lastPoint.X = e.X; lastPoint.Y = e.Y; startPoint.X = e.X; startPoint.Y = e.Y; docArea.Capture = true; docArea.Refresh(); if (selectMode == SelectionMode.NetSelection) { // Draw selection rectangle in initial position ControlPaint.DrawReversibleFrame( docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, lastPoint)), Color.Black, FrameStyle.Dashed); } }
/// <summary> /// Mouse is moved. /// None button is pressed, or left button is pressed. /// </summary> public override void OnMouseMove(MkaDocument docArea, MouseEventArgs e) { Point point = new Point(e.X, e.Y); Point oldPoint = lastPoint; wasMove = true; // set cursor when mouse button is not pressed if (e.Button == MouseButtons.None) { Cursor cursor = null; for (int i = 0; i < docArea.MokkanList.Count; i++) { int n = docArea.MokkanList[i].HitTest(point); if (n > 0) { cursor = docArea.MokkanList[i].GetHandleCursor(n); break; } } if (cursor == null) { cursor = Cursors.Default; } docArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } /// Left button is pressed // Find difference between previous and current position int dx = e.X - lastPoint.X; int dy = e.Y - lastPoint.Y; lastPoint.X = e.X; lastPoint.Y = e.Y; // resize if (selectMode == SelectionMode.Size) { if (resizedObject != null) { resizedObject.MoveHandleTo(point, resizedObjectHandle); docArea.SetDirty(); docArea.Refresh(); } } // move if (selectMode == SelectionMode.Move) { foreach (DrawObject o in docArea.MokkanList.Selection) { o.Move(dx, dy); } docArea.Cursor = Cursors.SizeAll; docArea.SetDirty(); docArea.Refresh(); } if (selectMode == SelectionMode.NetSelection) { // Remove old selection rectangle ControlPaint.DrawReversibleFrame( docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, oldPoint)), Color.Black, FrameStyle.Dashed); // Draw new selection rectangle ControlPaint.DrawReversibleFrame( docArea.RectangleToScreen(DrawRectangle.GetNormalizedRectangle(startPoint, point)), Color.Black, FrameStyle.Dashed); return; } }