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以另一种方式实现了画布拓展大小

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fengjiayi
2024-09-10 11:05:48 +08:00
parent 181acff16b
commit ce947d4472
3 changed files with 417 additions and 195 deletions
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115
WorkBench/MainWindow.xaml
View File

@@ -9,8 +9,17 @@
Loaded="Window_Loaded"
Closing="Window_Closing">
<Window.Resources>
<local:RightThumbPositionConverter x:Key="RightThumbPositionConverter" />
<local:BottomThumbPositionConverter x:Key="BottomThumbPositionConverter" />
<local:VerticalCenterThumbPositionConverter x:Key="VerticalCenterThumbPositionConverter" />
<local:HorizontalCenterThumbPositionConverter x:Key="HorizontalCenterThumbPositionConverter" />
</Window.Resources>
<Window.InputBindings>
<KeyBinding Key="Escape" Command="{Binding CancelConnectionCommand}"/>
</Window.InputBindings>
<Grid>
<Grid.ColumnDefinitions>
@@ -65,6 +74,9 @@
<GridSplitter Grid.Column="1" Width="5" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" ResizeBehavior="PreviousAndNext" Background="Gray"/>
<Grid Grid.Column="2" >
<Grid.ColumnDefinitions>
<ColumnDefinition Width="*"></ColumnDefinition>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="60"></RowDefinition>
<RowDefinition Height="*"></RowDefinition>
@@ -73,22 +85,93 @@
<Button x:Name="ButtonDebugRun" Content="运行" Width="100" Margin="10" Click="ButtonDebugRun_Click"></Button>
<Button x:Name="ButtonDebugFlipflopNode" Content="停止" Width="100" Margin="10" Click="ButtonDebugFlipflopNode_Click"></Button>
</StackPanel>
<ScrollViewer Grid.Row="1"
x:Name="FlowChartScrollViewer"
HorizontalScrollBarVisibility="Auto"
VerticalScrollBarVisibility="Auto">
<Canvas
x:Name="FlowChartCanvas"
Background="#F2EEE8"
AllowDrop="True"
MouseDown="FlowChartCanvas_MouseDown"
MouseMove="FlowChartCanvas_MouseMove"
MouseUp="FlowChartCanvas_MouseUp"
MouseWheel="FlowChartCanvas_MouseWheel"
Drop="FlowChartCanvas_Drop"
DragOver="FlowChartCanvas_DragOver"/>
</ScrollViewer>
<StackPanel Grid.Row="1"
x:Name="FlowChartStackPanel">
<Canvas
x:Name="FlowChartCanvas"
Background="#F2EEE8"
AllowDrop="True"
MouseDown="FlowChartCanvas_MouseDown"
MouseMove="FlowChartCanvas_MouseMove"
MouseUp="FlowChartCanvas_MouseUp"
MouseWheel="FlowChartCanvas_MouseWheel"
Drop="FlowChartCanvas_Drop"
DragOver="FlowChartCanvas_DragOver">
<!-- Top-Left Thumb -->
<!--<Thumb x:Name="TopLeftThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_TopLeft"
Cursor="SizeNWSE"
Canvas.Left="0" Canvas.Top="0"/>-->
<!-- Top-Right Thumb -->
<Thumb x:Name="TopRightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_TopRight"
Cursor="SizeNESW"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="0"/>
<!-- Bottom-Left Thumb -->
<!--<Thumb x:Name="BottomLeftThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_BottomLeft"
Cursor="SizeNESW"
Canvas.Left="0"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"/>-->
<!-- Bottom-Right Thumb -->
<Thumb x:Name="BottomRightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_BottomRight"
Cursor="SizeNWSE"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"/>
<!-- Left Thumb -->
<!--<Thumb x:Name="LeftThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Left"
Cursor="SizeWE"
Canvas.Left="0"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"/>-->
<!-- Right Thumb -->
<Thumb x:Name="RightThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Right"
Cursor="SizeWE"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource RightThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource VerticalCenterThumbPositionConverter}}"/>
<!-- Top Thumb -->
<!--<Thumb x:Name="TopThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Top"
Cursor="SizeNS"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource HorizontalCenterThumbPositionConverter}}"
Canvas.Top="0"/>-->
<!-- Bottom Thumb -->
<Thumb x:Name="BottomThumb"
Width="10" Height="10"
DragDelta="Thumb_DragDelta_Bottom"
Cursor="SizeNS"
Canvas.Left="{Binding ActualWidth, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource HorizontalCenterThumbPositionConverter}}"
Canvas.Top="{Binding ActualHeight, ElementName=FlowChartCanvas, Mode=OneWay, Converter={StaticResource BottomThumbPositionConverter}}"/>
</Canvas>
</StackPanel>
</Grid>

427
WorkBench/MainWindow.xaml.cs
View File

@@ -14,6 +14,7 @@ using System.Reflection;
using System.Security.Cryptography.Xml;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
@@ -263,12 +264,6 @@ namespace Serein.WorkBench
}
}
}
// 设置画布宽度高度
private void InitializeCanvas(double width, double height)
{
FlowChartCanvas.Width = width;
FlowChartCanvas.Height = height;
}
/// <summary>
/// 加载配置文件时加载DLL
@@ -1235,8 +1230,8 @@ namespace Serein.WorkBench
if (!adjusted)
{
// 确保 FlowChartCanvas 的最小尺寸
var scrollViewerViewportWidth = FlowChartScrollViewer.ViewportWidth;
var scrollViewerViewportHeight = FlowChartScrollViewer.ViewportHeight;
var scrollViewerViewportWidth = FlowChartStackPanel.ViewportWidth;
var scrollViewerViewportHeight = FlowChartStackPanel.ViewportHeight;
if (FlowChartCanvas.Width < scrollViewerViewportWidth)
{
@@ -1288,151 +1283,6 @@ namespace Serein.WorkBench
}
#region 拖动画布实现缩放平移效果
private void FlowChartCanvas_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.MiddleButton == MouseButtonState.Pressed)
{
IsCanvasDragging = true;
startPoint = e.GetPosition(FlowChartScrollViewer);
FlowChartCanvas.CaptureMouse();
e.Handled = true; // 防止事件传播影响其他控件
}
}
private void FlowChartCanvas_MouseUp(object sender, MouseButtonEventArgs e)
{
if (IsCanvasDragging)
{
IsCanvasDragging = false;
FlowChartCanvas.ReleaseMouseCapture();
}
}
// 缩放功能有问题
private void FlowChartCanvas_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
//double scale = e.Delta > 0 ? 0.1 : -0.1;
//scaleTransform.ScaleX += scale;
//scaleTransform.ScaleY += scale;
//AdjustCanvasSize();
//double zoomFactor = e.Delta > 0 ? 1.1 : 0.9;
//// 获取鼠标相对于Canvas的位置
//Point mousePosition = e.GetPosition(FlowChartCanvas);
//// 计算缩放后的Canvas中心位置
//double absoluteX = mousePosition.X * scaleTransform.ScaleX;
//double absoluteY = mousePosition.Y * scaleTransform.ScaleY;
//// 应用缩放
//scaleTransform.ScaleX *= zoomFactor;
//scaleTransform.ScaleY *= zoomFactor;
//// 平移，使缩放中心保持在鼠标光标处
//translateTransform.X = mousePosition.X - absoluteX * zoomFactor;
//translateTransform.Y = mousePosition.Y - absoluteY * zoomFactor;
// 调整画布大小，使其始终占据整个容器
//AdjustCanvasSizeToContainer();
}
}
private void AdjustCanvasSizeToContainer()
{
// 获取当前缩放后的画布大小
double newWidth = FlowChartCanvas.Width * scaleTransform.ScaleX;
double newHeight = FlowChartCanvas.Height * scaleTransform.ScaleY;
// 设置画布大小，使其至少与ScrollViewer的可视区域大小相同
FlowChartCanvas.Width = Math.Max(FlowChartScrollViewer.Width, newWidth);
FlowChartCanvas.Height = Math.Max(FlowChartScrollViewer.Height, newHeight);
}
private void AdjustCanvasSize()
{
// 获取 ScrollViewer 可视区域的宽度和高度
double scrollViewerWidth = FlowChartScrollViewer.Width * scaleTransform.ScaleX;
double scrollViewerHeight = FlowChartScrollViewer.Height * scaleTransform.ScaleY;
// 调整 Canvas 大小
if (scrollViewerWidth > 0 && scrollViewerHeight > 0)
{
FlowChartCanvas.Width = scrollViewerWidth;
FlowChartCanvas.Height = scrollViewerHeight;
}
}
private void AdjustCanvasSizeAndContent(double deltaX, double deltaY)
{
// 获取画布的边界框
Rect transformedBounds = FlowChartCanvas.RenderTransform.TransformBounds(new Rect(FlowChartCanvas.RenderSize));
// Debug.Print($" {FlowChartScrollViewer.ActualWidth} / {FlowChartScrollViewer.ActualHeight} -- {transformedBounds.Right} / {transformedBounds.Bottom}");
// Debug.Print($" {transformedBounds.Left} / {transformedBounds.Top} -- {deltaX} / {deltaY}");
// 检查画布的左边缘是否超出视图
if (deltaX > 0 && transformedBounds.Left > 0)
{
double offsetX = transformedBounds.Left;
FlowChartCanvas.Width += offsetX;
translateTransform.X -= offsetX;
Debug.Print($" offsetX : {offsetX}");
// 移动所有控件的位置
foreach (UIElement child in FlowChartCanvas.Children)
{
Canvas.SetLeft(child, Canvas.GetLeft(child) + offsetX);
}
}
// 检查画布的上边缘是否超出视图
//if (transformedBounds.Top > 0)
if (deltaY > 0 & transformedBounds.Top > 0)
{
double offsetY = transformedBounds.Top;
FlowChartCanvas.Height += offsetY;
translateTransform.Y -= offsetY;
Debug.Print($" offsetY : {offsetY}");
// 移动所有控件的位置
foreach (UIElement child in FlowChartCanvas.Children)
{
Canvas.SetTop(child, Canvas.GetTop(child) + offsetY);
}
}
var size = 50;
// 检查画布的右边缘是否超出当前宽度
if ( transformedBounds.Right + size < FlowChartScrollViewer.ActualWidth)
{
double extraWidth = FlowChartScrollViewer.ActualWidth - transformedBounds.Right;
this.FlowChartCanvas.Width += extraWidth;
}
// 检查画布的下边缘是否超出当前高度
if (transformedBounds.Bottom + size < FlowChartScrollViewer.ActualHeight)
{
double extraHeight = FlowChartScrollViewer.ActualHeight - transformedBounds.Bottom;
this.FlowChartCanvas.Height += extraHeight;
}
}
#endregion
/// <summary>
/// FlowChartCanvas中移动时处理，用于实时更新连接线的终点位置。
/// </summary>
@@ -1452,7 +1302,7 @@ namespace Serein.WorkBench
}
if (IsCanvasDragging)
{
Point currentMousePosition = e.GetPosition(FlowChartScrollViewer);
Point currentMousePosition = e.GetPosition(this);
double deltaX = currentMousePosition.X - startPoint.X;
double deltaY = currentMousePosition.Y - startPoint.Y;
@@ -1461,7 +1311,9 @@ namespace Serein.WorkBench
startPoint = currentMousePosition;
AdjustCanvasSizeAndContent(deltaX, deltaY);
// AdjustCanvasSizeAndContent(deltaX, deltaY);
foreach (var line in connections)
{
line.Refresh();
@@ -1555,8 +1407,6 @@ namespace Serein.WorkBench
}
}
/// <summary>
/// 主窗口的KeyDown事件处理，用于在连接操作中按下Esc键取消连接。
/// </summary>
@@ -1600,27 +1450,6 @@ namespace Serein.WorkBench
}
}
/// <summary>
/// 确保 FlowChartCanvas 的最小尺寸不小于 FlowChartScrollViewer 的可见区域的尺寸
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void FlowChartScrollViewer_SizeChanged(object sender, SizeChangedEventArgs e)
{
//// 确保 FlowChartCanvas 的最小尺寸等于 ScrollViewer 的可见尺寸
//var scrollViewerViewportWidth = FlowChartScrollViewer.ViewportWidth;
//var scrollViewerViewportHeight = FlowChartScrollViewer.ViewportHeight;
//if (FlowChartCanvas.Width < scrollViewerViewportWidth)
//{
// FlowChartCanvas.Width = scrollViewerViewportWidth;
//}
//if (FlowChartCanvas.Height < scrollViewerViewportHeight)
//{
// FlowChartCanvas.Height = scrollViewerViewportHeight;
//}
}
/// <summary>
@@ -1811,6 +1640,246 @@ namespace Serein.WorkBench
}
#region 拖动画布实现缩放平移效果
private void FlowChartCanvas_MouseDown(object sender, MouseButtonEventArgs e)
{
if (e.MiddleButton == MouseButtonState.Pressed)
{
IsCanvasDragging = true;
startPoint = e.GetPosition(this);
FlowChartCanvas.CaptureMouse();
e.Handled = true; // 防止事件传播影响其他控件
}
}
private void FlowChartCanvas_MouseUp(object sender, MouseButtonEventArgs e)
{
if (IsCanvasDragging)
{
IsCanvasDragging = false;
FlowChartCanvas.ReleaseMouseCapture();
}
}
// 单纯缩放画布，不改变画布大小
private void FlowChartCanvas_MouseWheel(object sender, MouseWheelEventArgs e)
{
if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
{
if (e.Delta < 0 && scaleTransform.ScaleX < 0.4) return;
if (e.Delta > 0 && scaleTransform.ScaleX > 3.0) return;
double scale = e.Delta > 0 ? 0.1 : -0.1;
scaleTransform.ScaleX += scale;
scaleTransform.ScaleY += scale;
//AdjustCanvasSize();
//double zoomFactor = e.Delta > 0 ? 1.1 : 0.9;
//// 获取鼠标相对于Canvas的位置
//Point mousePosition = e.GetPosition(this);
//// 计算缩放后的Canvas中心位置
//double absoluteX = mousePosition.X * scaleTransform.ScaleX;
//double absoluteY = mousePosition.Y * scaleTransform.ScaleY;
//// 应用缩放
//scaleTransform.ScaleX *= zoomFactor;
//scaleTransform.ScaleY *= zoomFactor;
//// 平移，使缩放中心保持在鼠标光标处
//translateTransform.X = mousePosition.X - absoluteX * zoomFactor;
//translateTransform.Y = mousePosition.Y - absoluteY * zoomFactor;
//// 调整画布大小，使其始终占据整个容器
//AdjustCanvasSizeToContainer();
}
}
// 设置画布宽度高度
private void InitializeCanvas(double width, double height)
{
FlowChartCanvas.Width = width;
FlowChartCanvas.Height = height;
}
#region 准备弃用
// 画布缩放时调整画布大小（已弃用）
private void AdjustCanvasSizeToContainer()
{
// 获取当前缩放后的画布大小
double newWidth = FlowChartCanvas.Width * scaleTransform.ScaleX;
double newHeight = FlowChartCanvas.Height * scaleTransform.ScaleY;
// 设置画布大小，使其至少与ScrollViewer的可视区域大小相同
FlowChartCanvas.Width = Math.Max(FlowChartStackPanel.Width, newWidth);
FlowChartCanvas.Height = Math.Max(FlowChartStackPanel.Height, newHeight);
}
// 窗体尺寸发生变化时调整画布大小（已弃用）
private void AdjustCanvasSize()
{
// 获取 ScrollViewer 可视区域的宽度和高度
double scrollViewerWidth = FlowChartStackPanel.Width * scaleTransform.ScaleX;
double scrollViewerHeight = FlowChartStackPanel.Height * scaleTransform.ScaleY;
// 调整 Canvas 大小
if (scrollViewerWidth > 0 && scrollViewerHeight > 0)
{
FlowChartCanvas.Width = scrollViewerWidth;
FlowChartCanvas.Height = scrollViewerHeight;
}
}
// 随着平移拖动动态调整画布大小（弃用）
private void AdjustCanvasSizeAndContent(double deltaX, double deltaY)
{
// 获取画布的边界框
Rect transformedBounds = FlowChartCanvas.RenderTransform.TransformBounds(new Rect(FlowChartCanvas.RenderSize));
Debug.WriteLine($"deltaX : {deltaX},{deltaY}");
Debug.WriteLine($" LTRP : {transformedBounds.Left},{transformedBounds.Top},{transformedBounds.Right},{transformedBounds.Bottom}");
// 检查画布的左边缘是否超出视图
if (deltaX > 0 && transformedBounds.Left > 0)
{
double offsetX = transformedBounds.Left;
FlowChartCanvas.Width += offsetX;
translateTransform.X -= offsetX;
Debug.Print($" offsetX : {offsetX}");
// 移动所有控件的位置
foreach (UIElement child in FlowChartCanvas.Children)
{
Canvas.SetLeft(child, Canvas.GetLeft(child) + offsetX);
}
}
// 检查画布的上边缘是否超出视图
//if (transformedBounds.Top > 0)
if (deltaY > 0 & transformedBounds.Top > 0)
{
double offsetY = transformedBounds.Top;
FlowChartCanvas.Height += offsetY;
translateTransform.Y -= offsetY;
Debug.Print($" offsetY : {offsetY}");
// 移动所有控件的位置
foreach (UIElement child in FlowChartCanvas.Children)
{
Canvas.SetTop(child, Canvas.GetTop(child) + offsetY);
}
}
var size = 50;
// 检查画布的右边缘是否超出当前宽度
if (transformedBounds.Right + size < FlowChartStackPanel.ActualWidth)
{
double extraWidth = FlowChartStackPanel.ActualWidth - transformedBounds.Right;
this.FlowChartCanvas.Width += extraWidth;
}
// 检查画布的下边缘是否超出当前高度
if (transformedBounds.Bottom + size < FlowChartStackPanel.ActualHeight)
{
double extraHeight = FlowChartStackPanel.ActualHeight - transformedBounds.Bottom;
this.FlowChartCanvas.Height += extraHeight;
}
}
#endregion
#region 动态调整区域大小
private void Thumb_DragDelta_TopLeft(object sender, DragDeltaEventArgs e)
{
// 从左上角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
}
private void Thumb_DragDelta_TopRight(object sender, DragDeltaEventArgs e)
{
// 从右上角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
}
private void Thumb_DragDelta_BottomLeft(object sender, DragDeltaEventArgs e)
{
// 从左下角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
}
private void Thumb_DragDelta_BottomRight(object sender, DragDeltaEventArgs e)
{
// 从右下角调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
FlowChartCanvas.Width = newWidth;
FlowChartCanvas.Height = newHeight;
}
private void Thumb_DragDelta_Left(object sender, DragDeltaEventArgs e)
{
// 从左侧调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
FlowChartCanvas.Width = newWidth;
Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
}
private void Thumb_DragDelta_Right(object sender, DragDeltaEventArgs e)
{
//从右侧调整大小
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
FlowChartCanvas.Width = newWidth;
}
private void Thumb_DragDelta_Top(object sender, DragDeltaEventArgs e)
{
// 从顶部调整大小
double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
FlowChartCanvas.Height = newHeight;
Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
}
private void Thumb_DragDelta_Bottom(object sender, DragDeltaEventArgs e)
{
// 从底部调整大小
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
FlowChartCanvas.Height = newHeight;
}
#endregion
#endregion
#endregion
@@ -2183,7 +2252,7 @@ namespace Serein.WorkBench
private void Window_SizeChanged(object sender, SizeChangedEventArgs e)
{
AdjustCanvasSize();
// AdjustCanvasSize();
}
}
#region 创建两个控件之间的连接关系，在UI层面上显示为 带箭头指向的贝塞尔曲线

70
WorkBench/RightThumbPositionConverter.cs Normal file
View File

@@ -0,0 +1,70 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
namespace Serein.WorkBench
{
public class RightThumbPositionConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value is double width)
return width - 10; // Adjust for Thumb width
return 0;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
public class BottomThumbPositionConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value is double height)
return height - 10; // Adjust for Thumb height
return 0;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
public class VerticalCenterThumbPositionConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value is double height)
return (height / 2) - 5; // Centering Thumb vertically
return 0;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
public class HorizontalCenterThumbPositionConverter : IValueConverter
{
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
if (value is double width)
return (width / 2) - 5; // Centering Thumb horizontally
return 0;
}
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
throw new NotImplementedException();
}
}
}