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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
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@@ -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>