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* UILineChart: 增加鼠标可框选缩放属性MouseZoom

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Sunny 2022-09-19 22:52:46 +08:00
parent 20e6545a51
commit 5af94b9023
1 changed files with 10 additions and 4 deletions
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14
SunnyUI/Charts/UILineChart.cs
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@ -39,6 +39,7 @@
* 2022-07-30: V3.2.2 坐标轴的小数位数重构调整至坐标轴标签 AxisLabel.DecimalPlaces * 2022-07-30: V3.2.2 坐标轴的小数位数重构调整至坐标轴标签 AxisLabel.DecimalPlaces
* 2022-07-30: V3.2.2 坐标轴的日期格式重构调整至坐标轴标签 AxisLabel.DateTimeFormat * 2022-07-30: V3.2.2 坐标轴的日期格式重构调整至坐标轴标签 AxisLabel.DateTimeFormat
* 2022-08-17: V3.2.3 修复数据全为Nan时绘制出错 * 2022-08-17: V3.2.3 修复数据全为Nan时绘制出错
* 2022-09-19: V3.2.4 增加鼠标可框选缩放属性MouseZoom
******************************************************************************/ ******************************************************************************/
using System; using System;
@ -897,7 +898,7 @@ namespace Sunny.UI
} }
else else
{ {
if (e.Button == MouseButtons.Left && e.X > Option.Grid.Left && e.X < Width - Option.Grid.Right && if (MouseZoom && e.Button == MouseButtons.Left && e.X > Option.Grid.Left && e.X < Width - Option.Grid.Right &&
e.Y > Option.Grid.Top && e.Y < Height - Option.Grid.Bottom) e.Y > Option.Grid.Top && e.Y < Height - Option.Grid.Bottom)
{ {
StopPoint = e.Location; StopPoint = e.Location;
@ -922,14 +923,14 @@ namespace Sunny.UI
{ {
base.OnMouseDown(e); base.OnMouseDown(e);
if (e.Button == MouseButtons.Left && e.X > Option.Grid.Left && e.X < Width - Option.Grid.Right && if (MouseZoom && e.Button == MouseButtons.Left && e.X > Option.Grid.Left && e.X < Width - Option.Grid.Right &&
e.Y > Option.Grid.Top && e.Y < Height - Option.Grid.Bottom) e.Y > Option.Grid.Top && e.Y < Height - Option.Grid.Bottom)
{ {
IsMouseDown = true; IsMouseDown = true;
StartPoint = StopPoint = e.Location; StartPoint = StopPoint = e.Location;
} }
if (e.Button == MouseButtons.Right && ContextMenuStrip == null) if (MouseZoom && e.Button == MouseButtons.Right && ContextMenuStrip == null)
{ {
ZoomBack(); ZoomBack();
} }
@ -942,7 +943,8 @@ namespace Sunny.UI
protected override void OnMouseUp(MouseEventArgs e) protected override void OnMouseUp(MouseEventArgs e)
{ {
base.OnMouseUp(e); base.OnMouseUp(e);
if (IsMouseDown)
if (MouseZoom && IsMouseDown)
{ {
IsMouseDown = false; IsMouseDown = false;
Invalidate(); Invalidate();
@ -950,6 +952,10 @@ namespace Sunny.UI
} }
} }
[DefaultValue(true)]
[Description("鼠标可框选缩放"), Category("SunnyUI")]
public bool MouseZoom { get; set; } = true;
public bool IsZoom { get; private set; } public bool IsZoom { get; private set; }
private readonly List<ZoomArea> ZoomAreas = new List<ZoomArea>(); private readonly List<ZoomArea> ZoomAreas = new List<ZoomArea>();
private ZoomArea BaseArea; private ZoomArea BaseArea;