示例#1
0
        protected override void OnMouseDown(MouseEventArgs e)
        {
            base.OnMouseDown(e);

            if (textBox.Visible)
            {
                if (SelectImageRect.Contains(e.Location) ||
                    e.Button == MouseButtons.Left)
                {
                    string text  = textBox.Text;
                    Font   font  = textBox.Font;
                    Color  color = textBox.ForeColor;

                    HideTextBox();
                    if (OperateManager.OperateCount > 0)
                    {
                        OperateObject obj =
                            OperateManager.OperateList[OperateManager.OperateCount - 1];
                        if (obj.OperateType == OperateType.DrawText)
                        {
                            DrawTextData textData = obj.Data as DrawTextData;
                            if (!textData.Completed)
                            {
                                if (string.IsNullOrEmpty(text))
                                {
                                    OperateManager.RedoOperate();
                                }
                                else
                                {
                                    obj.Color          = color;
                                    textData.Font      = font;
                                    textData.Text      = text;
                                    textData.Completed = true;
                                }
                            }
                        }
                    }
                }
                base.Invalidate();
                return;
            }

            if (e.Button == MouseButtons.Left)
            {
                if (SelectedImage)
                {
                    if (SizeGrip != SizeGrip.None)
                    {
                        _mouseDown      = true;
                        _mouseDownPoint = e.Location;
                        HideDrawToolsControl();
                        base.Invalidate();
                    }

                    if (DrawStyle != DrawStyle.None)
                    {
                        if (SelectImageRect.Contains(e.Location))
                        {
                            _mouseDown      = true;
                            _mouseDownPoint = e.Location;

                            if (DrawStyle == DrawStyle.Line)
                            {
                                LinePointList.Add(_mouseDownPoint);
                            }
                            ClipCursor(false);
                        }
                    }
                }
                else
                {
                    _mouseDown      = true;
                    _mouseDownPoint = e.Location;
                }
            }

            if (e.Button == MouseButtons.Right)
            {
                this.DialogResult = System.Windows.Forms.DialogResult.Cancel;
                return;
            }
        }