public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { drawArea.Cursor = Cursor; if (e.Button == MouseButtons.Left) { Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y)); int al = drawArea.TheLayers.ActiveLayerIndex; drawArea.TheLayers[al].Graphics[0].MoveHandleTo(point, 5); drawArea.Refresh(); } }
private void selectAllToolStripMenuItem_Click(object sender, EventArgs e) { this._panMode = false; drawArea.Panning = this._panMode; int x = drawArea.TheLayers.ActiveLayerIndex; drawArea.TheLayers[x].Graphics.SelectAll(); drawArea.Refresh(); }
/// Добавить новый объект в область рисования. /// Функция вызывается, когда пользователь щелкает левой кнопкой мыши область рисования, /// и один из инструментов, производных от ToolObject, активен. protected void AddNewObject(DrawArea drawArea, DrawObject o) { int al = drawArea.TheLayers.ActiveLayerIndex; drawArea.TheLayers[al].Graphics.UnselectAll(); o.Selected = true; o.Dirty = true; int objectID = 0; for (int i = 0; i < drawArea.TheLayers.Count; i++) { objectID = +drawArea.TheLayers[i].Graphics.Count; } objectID++; o.ID = objectID; drawArea.TheLayers[al].Graphics.Add(o); drawArea.Capture = true; drawArea.Refresh(); }
//левая кнопка мышки 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)); 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; 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.Refresh(); }
//Mouse is moved. public override void OnMouseMove(DrawArea drawArea, MouseEventArgs e) { Point point = drawArea.BackTrackMouse(new Point(e.X, e.Y)); int al = drawArea.TheLayers.ActiveLayerIndex; wasMove = true; if (e.Button == MouseButtons.None) { Cursor cursor = null; if (drawArea.TheLayers[al].Graphics != null) { for (int i = 0; i < drawArea.TheLayers[al].Graphics.Count; i++) { int n = drawArea.TheLayers[al].Graphics[i].HitTest(point); if (n > 0) { cursor = drawArea.TheLayers[al].Graphics[i].GetHandleCursor(n); break; } } } if (cursor == null) { cursor = Cursors.Default; } drawArea.Cursor = cursor; return; } if (e.Button != MouseButtons.Left) { return; } // Left button is pressed // Find difference between previous and current position int dx = point.X - lastPoint.X; int dy = point.Y - lastPoint.Y; lastPoint.X = point.X; lastPoint.Y = point.Y; // resize if (selectMode == SelectionMode.Size) { if (resizedObject != null) { resizedObject.MoveHandleTo(point, resizedObjectHandle); drawArea.Refresh(); } } // move if (selectMode == SelectionMode.Move) { int n = drawArea.TheLayers[al].Graphics.SelectionCount; for (int i = 0; i < n; i++) { drawArea.TheLayers[al].Graphics.GetSelectedObject(i).Move(dx, dy); } drawArea.Cursor = Cursors.SizeAll; drawArea.Refresh(); } if (selectMode == SelectionMode.NetSelection) { drawArea.Refresh(); return; } }