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Allow control click in design tree view to extend selection

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This commit is contained in:
Eric Horch 2022-02-24 19:11:29 -07:00
parent 5734368188
commit f8e382f19b
3 changed files with 110 additions and 23 deletions
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34
MatterControlLib/CustomWidgets/TreeView/TreeNode.cs
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@ -65,26 +65,38 @@ namespace MatterHackers.MatterControl.CustomWidgets
if (TreeView != null)
{
TreeView.SelectedNode = this;
TreeView.NotifyItemClicked(TitleBar, e);
}
this.TreeView.NotifyItemClicked(this.TitleBar, e);
};
TreeNode hitNode = null;
this.TitleBar.MouseDown += (s, e) =>
{
if (TreeView != null
&& e.Button == MouseButtons.Left
&& e.Clicks == 2)
if (TreeView != null && e.Button == MouseButtons.Left)
{
TreeView.SelectedNode = this;
if (this.Nodes.Count > 0)
if (e.Clicks == 1)
{
this.Expanded = !this.Expanded;
hitNode = this;
}
else
else if (e.Clicks == 2)
{
this.TreeView.NotifyItemDoubleClicked(this.TitleBar, e);
// Nodes can move around in the tree between clicks.
// Make sure we're hitting the same node twice.
if (this != hitNode)
{
return;
}
TreeView.SelectedNode = this;
if (this.Nodes.Count > 0)
{
this.Expanded = !this.Expanded;
}
else
{
this.TreeView.NotifyItemDoubleClicked(TitleBar, e);
}
}
}
};