From 0a55c373917fc6eb87654a32e869d80e4095d300 Mon Sep 17 00:00:00 2001
From: "Randall C. O'Reilly" <oreilly@ucdavis.edu>
Date: Sun, 7 Jun 2026 13:00:44 +0200
Subject: [PATCH 1/3] canvprop: canvas prevent crash on nil props by using
 SetProperty

---
 canvas/layers.go | 10 +++++-----
 canvas/props.go  |  2 +-
 canvas/text.go   |  2 +-
 canvas/tree.go   |  4 ++--
 4 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/canvas/layers.go b/canvas/layers.go
index af34829d..7cd56bff 100644
--- a/canvas/layers.go
+++ b/canvas/layers.go
@@ -34,13 +34,13 @@ func (l *Layer) ToNode(n tree.Node) {
 	nb := n.AsTree()
 	nb.Name = l.Name
 	if l.Vis {
-		nb.Properties["style"] = ""
-		nb.Properties["display"] = "inline"
+		nb.SetProperty("style", "")
+		nb.SetProperty("display", "inline")
 	} else {
-		nb.Properties["style"] = "display:none"
-		nb.Properties["display"] = "none"
+		nb.SetProperty("style", "display:none")
+		nb.SetProperty("display", "none")
 	}
-	nb.Properties["insensitive"] = l.Lock
+	nb.SetProperty("insensitive", l.Lock)
 }
 
 // Layers is the list of all layers
diff --git a/canvas/props.go b/canvas/props.go
index 8dc89dab..05985523 100644
--- a/canvas/props.go
+++ b/canvas/props.go
@@ -129,7 +129,7 @@ func (sv *SVG) DistributeProps() {
 					}
 					if _, has := nb.Properties[k]; !has {
 						gotSome = true
-						nb.Properties[k] = v
+						nb.SetProperty(k, v)
 					}
 				}
 			}
diff --git a/canvas/text.go b/canvas/text.go
index d069d4c0..7ec36803 100644
--- a/canvas/text.go
+++ b/canvas/text.go
@@ -68,7 +68,7 @@ func (cv *Canvas) SetTextProperties(tps map[string]any) {
 	cv.setPropsOnSelected("SetTextProperties", "", func(nd svg.Node) {
 		nb := nd.AsNodeBase()
 		for k, v := range tps {
-			nb.Properties[k] = v
+			nb.SetProperty(k, v)
 		}
 	})
 }
diff --git a/canvas/tree.go b/canvas/tree.go
index aedf2432..d66dc5c3 100644
--- a/canvas/tree.go
+++ b/canvas/tree.go
@@ -161,7 +161,7 @@ func (tv *Tree) LayerToggleLock() { //types:add
 		tv.LayerClearCurrent()
 		np = "true"
 	}
-	sn.AsTree().Properties["insensitive"] = np
+	sn.AsTree().SetProperty("insensitive", np)
 	cv.UpdateLayers()
 }
 
@@ -176,7 +176,7 @@ func (tv *Tree) LayerToggleVis() { //types:add
 	} else {
 		np = "display:inline"
 	}
-	sn.AsTree().Properties["style"] = np
+	sn.AsTree().SetProperty("style", np)
 	cv.UpdateLayers()
 }
 

From e2fb2dab317ade4e333854fc20da025ea31e9a69 Mon Sep 17 00:00:00 2001
From: "Randall C. O'Reilly" <oreilly@ucdavis.edu>
Date: Tue, 9 Jun 2026 13:30:57 +0200
Subject: [PATCH 2/3] canvprop: update to latest core, lab

---
 go.mod | 4 ++--
 go.sum | 8 ++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/go.mod b/go.mod
index 08ecf194..f639c4b3 100644
--- a/go.mod
+++ b/go.mod
@@ -3,8 +3,8 @@ module cogentcore.org/cogent
 go 1.25.6
 
 require (
-	cogentcore.org/core v0.3.34
-	cogentcore.org/lab v0.1.12
+	cogentcore.org/core v0.3.35
+	cogentcore.org/lab v0.1.13
 	github.com/Knetic/govaluate v3.0.0+incompatible
 	github.com/aandrew-me/tgpt/v2 v2.7.2
 	github.com/alecthomas/chroma/v2 v2.23.0
diff --git a/go.sum b/go.sum
index f84ed9ba..eac92ce6 100644
--- a/go.sum
+++ b/go.sum
@@ -1,9 +1,9 @@
 codeberg.org/go-pdf/fpdf v0.11.0 h1:n3I8WISQ1cr0S2rvx9DOlE/GypbcimMWqLpel3slHmY=
 codeberg.org/go-pdf/fpdf v0.11.0/go.mod h1:Y0DGRAdZ0OmnZPvjbMp/1bYxmIPxm0ws4tfoPOc4LjU=
-cogentcore.org/core v0.3.34 h1:dOkexm9sP0WD6ova2uenBbkq+V4rhhTa3YSYhJdJZTM=
-cogentcore.org/core v0.3.34/go.mod h1:bq1W15L76MTl+Gd+SB2xxdte1hG9HI9rNyAi+Xgv+Wo=
-cogentcore.org/lab v0.1.12 h1:6PQP9/3JRpIT/Nd3kI1DbJ5ijXbaomQ2TouiRgt8SAs=
-cogentcore.org/lab v0.1.12/go.mod h1:5V7X3dUbQOSj9p1UQZYhw5fmPCP433fhekiLpzgrjEg=
+cogentcore.org/core v0.3.35 h1:4MXrFnPT7gz0VwyBeFZLIjiXpFKgz6GiDjxxMn9CV3Q=
+cogentcore.org/core v0.3.35/go.mod h1:bq1W15L76MTl+Gd+SB2xxdte1hG9HI9rNyAi+Xgv+Wo=
+cogentcore.org/lab v0.1.13 h1:ahFKpqdsC0rcgCFCueDb5EMtYZNE/5DNgusjP9b4i7o=
+cogentcore.org/lab v0.1.13/go.mod h1:Ycjrbd2VvHkB4MlcYvyOQ4YJiQZUYN0XqpkadIOJ8eM=
 git.sr.ht/~sbinet/cmpimg v0.1.0 h1:E0zPRk2muWuCqSKSVZIWsgtU9pjsw3eKHi8VmQeScxo=
 git.sr.ht/~sbinet/cmpimg v0.1.0/go.mod h1:FU12psLbF4TfNXkKH2ZZQ29crIqoiqTZmeQ7dkp/pxE=
 github.com/Bios-Marcel/wastebasket/v2 v2.0.3 h1:TkoDPcSqluhLGE+EssHu7UGmLgUEkWg7kNyHyyJ3Q9g=

From e64d8a1355e5d99b0157a7357115792d122f22c5 Mon Sep 17 00:00:00 2001
From: "Randall C. O'Reilly" <oreilly@ucdavis.edu>
Date: Tue, 9 Jun 2026 13:38:44 +0200
Subject: [PATCH 3/3] canvprop: actually fix api

---
 canvas/canvas.go   |  6 +++---
 canvas/svg.go      |  3 ++-
 canvas/tree.go     |  3 ++-
 code/appbar.go     | 24 +++++++++++++-----------
 code/code.go       |  3 ++-
 code/commands.go   | 11 ++++++-----
 code/filetree.go   |  3 ++-
 code/texteditor.go |  4 ++--
 8 files changed, 32 insertions(+), 25 deletions(-)

diff --git a/canvas/canvas.go b/canvas/canvas.go
index 51fc8af3..7362a87e 100644
--- a/canvas/canvas.go
+++ b/canvas/canvas.go
@@ -445,14 +445,14 @@ func (cv *Canvas) MakeToolbar(p *tree.Plan) {
 			})
 	})
 	tree.Add(p, func(w *core.Button) {
-		w.SetText("Size").SetIcon(icons.FormatSize).SetMenu(func(m *core.Scene) {
+		w.SetText("Size").SetIcon(icons.FormatSize).SetMenu(func(m *core.Scene, pos image.Point) {
 			core.NewFuncButton(m).SetFunc(cv.PromptPhysicalSize).SetText("Set size").SetIcon(icons.FormatSize)
 			core.NewFuncButton(m).SetFunc(cv.ResizeToContents).SetIcon(icons.Resize)
 		})
 	})
 
 	tree.Add(p, func(w *core.Button) {
-		w.SetText("Open recent").SetMenu(func(m *core.Scene) {
+		w.SetText("Open recent").SetMenu(func(m *core.Scene, pos image.Point) {
 			for _, rp := range RecentPaths {
 				core.NewButton(m).SetText(rp).OnClick(func(e events.Event) {
 					cv.OpenDrawingCheck(core.Filename(rp))
@@ -478,7 +478,7 @@ func (cv *Canvas) MakeToolbar(p *tree.Plan) {
 	})
 
 	tree.Add(p, func(w *core.Button) {
-		w.SetText("Export").SetIcon(icons.ExportNotes).SetMenu(func(m *core.Scene) {
+		w.SetText("Export").SetIcon(icons.ExportNotes).SetMenu(func(m *core.Scene, pos image.Point) {
 			core.NewFuncButton(m).SetFunc(cv.ExportPNG).SetIcon(icons.Image)
 			core.NewFuncButton(m).SetFunc(cv.ExportPDF).SetIcon(icons.PictureAsPdf)
 		})
diff --git a/canvas/svg.go b/canvas/svg.go
index 7a1985ae..5e54de08 100644
--- a/canvas/svg.go
+++ b/canvas/svg.go
@@ -7,6 +7,7 @@ package canvas
 import (
 	"bytes"
 	"fmt"
+	"image"
 	"strings"
 
 	"cogentcore.org/cogent/canvas/cicons"
@@ -554,7 +555,7 @@ func (sv *SVG) EditNode(n tree.Node) { //types:add
 	d.RunWindowDialog(sv)
 }
 
-func (sv *SVG) contextMenu(m *core.Scene) {
+func (sv *SVG) contextMenu(m *core.Scene, pos image.Point) {
 	es := sv.EditState()
 	itm := es.FirstSelected()
 	if itm != nil {
diff --git a/canvas/tree.go b/canvas/tree.go
index d66dc5c3..ca547dc0 100644
--- a/canvas/tree.go
+++ b/canvas/tree.go
@@ -6,6 +6,7 @@ package canvas
 
 import (
 	"fmt"
+	"image"
 
 	"cogentcore.org/core/base/fileinfo"
 	"cogentcore.org/core/colors"
@@ -180,7 +181,7 @@ func (tv *Tree) LayerToggleVis() { //types:add
 	cv.UpdateLayers()
 }
 
-func (tv *Tree) contextMenu(m *core.Scene) {
+func (tv *Tree) contextMenu(m *core.Scene, pos image.Point) {
 	sn := tv.SyncNode
 	tri := tv.This.(core.Treer)
 	isLay := NodeIsLayer(sn)
diff --git a/code/appbar.go b/code/appbar.go
index 0b822da4..b70533af 100644
--- a/code/appbar.go
+++ b/code/appbar.go
@@ -5,6 +5,8 @@
 package code
 
 import (
+	"image"
+
 	"cogentcore.org/core/core"
 	"cogentcore.org/core/events"
 	"cogentcore.org/core/filetree"
@@ -32,7 +34,7 @@ func (cv *Code) MakeToolbar(p *tree.Plan) {
 	tree.Add(p, func(w *core.Separator) {})
 
 	tree.Add(p, func(w *core.Button) {
-		w.SetText("Open recent").SetMenu(func(m *core.Scene) {
+		w.SetText("Open recent").SetMenu(func(m *core.Scene, pos image.Point) {
 			for _, rp := range RecentPaths {
 				core.NewButton(m).SetText(rp).OnClick(func(e events.Event) {
 					cv.OpenRecent(core.Filename(rp))
@@ -120,13 +122,13 @@ func (cv *Code) MakeToolbar(p *tree.Plan) {
 
 	tree.Add(p, func(w *core.Button) {
 		w.SetText("Command").SetShortcut(KeyExecCmd.Chord())
-		w.SetMenu(func(m *core.Scene) {
+		w.SetMenu(func(m *core.Scene, pos image.Point) {
 			ec := ExecCmds(cv)
 			for _, cc := range ec {
 				cc := cc
 				cat := cc[0]
 				icon := CommandIcons[cat]
-				core.NewButton(m).SetText(cat).SetIcon(icon).SetMenu(func(mm *core.Scene) {
+				core.NewButton(m).SetText(cat).SetIcon(icon).SetMenu(func(mm *core.Scene, pos image.Point) {
 					nc := len(cc)
 					for i := 1; i < nc; i++ {
 						cm := cc[i]
@@ -143,9 +145,9 @@ func (cv *Code) MakeToolbar(p *tree.Plan) {
 	tree.Add(p, func(w *core.Separator) {})
 
 	tree.Add(p, func(w *core.Button) {
-		w.SetText("Splits").SetMenu(func(m *core.Scene) {
+		w.SetText("Splits").SetMenu(func(m *core.Scene, pos image.Point) {
 			core.NewButton(m).SetText("Set view").
-				SetMenu(func(mm *core.Scene) {
+				SetMenu(func(mm *core.Scene, pos image.Point) {
 					for _, sp := range AvailableSplitNames {
 						sn := SplitName(sp)
 						mb := core.NewButton(mm).SetText(sp)
@@ -158,7 +160,7 @@ func (cv *Code) MakeToolbar(p *tree.Plan) {
 					}
 				})
 			core.NewFuncButton(m).SetFunc(cv.SplitsSaveAs).SetText("Save as").SetIcon(icons.SaveAs)
-			core.NewButton(m).SetText("Save").SetIcon(icons.Save).SetMenu(func(mm *core.Scene) {
+			core.NewButton(m).SetText("Save").SetIcon(icons.Save).SetMenu(func(mm *core.Scene, pos image.Point) {
 				for _, sp := range AvailableSplitNames {
 					sn := SplitName(sp)
 					mb := core.NewButton(mm).SetText(sp)
@@ -175,8 +177,8 @@ func (cv *Code) MakeToolbar(p *tree.Plan) {
 	})
 }
 
-func (cv *Code) OverflowMenu(m *core.Scene) {
-	core.NewButton(m).SetText("File").SetMenu(func(m *core.Scene) {
+func (cv *Code) OverflowMenu(m *core.Scene, pos image.Point) {
+	core.NewButton(m).SetText("File").SetMenu(func(m *core.Scene, pos image.Point) {
 		core.NewFuncButton(m).SetFunc(cv.NewProject).SetIcon(icons.NewWindow).SetKey(keymap.New)
 		core.NewFuncButton(m).SetFunc(cv.NewFile).SetText("New file").SetIcon(icons.NewWindow)
 
@@ -200,7 +202,7 @@ func (cv *Code) OverflowMenu(m *core.Scene) {
 
 	})
 
-	core.NewButton(m).SetText("Edit").SetMenu(func(m *core.Scene) {
+	core.NewButton(m).SetText("Edit").SetMenu(func(m *core.Scene, pos image.Point) {
 		core.NewButton(m).SetText("Paste history").SetIcon(icons.Paste).
 			SetKey(keymap.PasteHist)
 
@@ -244,7 +246,7 @@ func (cv *Code) OverflowMenu(m *core.Scene) {
 		core.NewFuncButton(m).SetFunc(cv.SpacesToTabs).SetIcon(icons.TabMove)
 	})
 
-	core.NewButton(m).SetText("View").SetMenu(func(m *core.Scene) {
+	core.NewButton(m).SetText("View").SetMenu(func(m *core.Scene, pos image.Point) {
 		core.NewFuncButton(m).SetFunc(cv.FocusPrevPanel).SetText("Focus prev").SetIcon(icons.KeyboardArrowLeft).
 			SetShortcut(KeyPrevPanel.Chord())
 		core.NewFuncButton(m).SetFunc(cv.FocusNextPanel).SetText("Focus next").SetIcon(icons.KeyboardArrowRight).
@@ -259,7 +261,7 @@ func (cv *Code) OverflowMenu(m *core.Scene) {
 		core.NewFuncButton(m).SetFunc(cv.OpenConsoleTab).SetText("Open console").SetIcon(icons.Terminal)
 	})
 
-	core.NewButton(m).SetText("Command").SetMenu(func(m *core.Scene) {
+	core.NewButton(m).SetText("Command").SetMenu(func(m *core.Scene, pos image.Point) {
 		core.NewFuncButton(m).SetFunc(cv.DebugAttach).SetText("Debug attach").SetIcon(icons.Debug)
 		core.NewFuncButton(m).SetFunc(cv.VCSUpdateAll).SetText("VCS update all").SetIcon(icons.Update)
 
diff --git a/code/code.go b/code/code.go
index 89041322..cb462968 100644
--- a/code/code.go
+++ b/code/code.go
@@ -9,6 +9,7 @@ package code
 
 import (
 	"fmt"
+	"image"
 	"io/fs"
 	"log"
 	"log/slog"
@@ -223,7 +224,7 @@ func (cv *Code) makeTextEditor(p *tree.Plan, i int) {
 			w.Styler(func(s *styles.Style) {
 				s.Grow.Set(1, 0)
 			})
-			w.Menu = func(m *core.Scene) {
+			w.Menu = func(m *core.Scene, pos image.Point) {
 				cv.EditorButtonMenu(i, m)
 			}
 			w.OnClick(func(e events.Event) {
diff --git a/code/commands.go b/code/commands.go
index 4435d885..79d38bac 100644
--- a/code/commands.go
+++ b/code/commands.go
@@ -7,6 +7,7 @@ package code
 import (
 	"encoding/json"
 	"fmt"
+	"image"
 	"log"
 	"os"
 	"os/exec"
@@ -804,18 +805,18 @@ func (cm *Commands) ViewStandard() { //types:add
 var CustomCommandsChanged = false
 
 // CommandMenuLines returns a menu function for commands for Lines.
-func (cv *Code) CommandMenuLines(ln *lines.Lines) func(mm *core.Scene) {
+func (cv *Code) CommandMenuLines(ln *lines.Lines) func(mm *core.Scene, pos image.Point) {
 	return cv.CommandMenu(ln.FileInfo().Known, GetVCSRepo(ln), ln.Filename())
 }
 
 // CommandMenuFileNode returns a menu function for commands for FileNode.
-func (cv *Code) CommandMenuFileNode(fn *filetree.Node) func(mm *core.Scene) {
+func (cv *Code) CommandMenuFileNode(fn *filetree.Node) func(mm *core.Scene, pos image.Point) {
 	repo, _ := fn.Repo()
 	return cv.CommandMenu(fn.Info.Known, repo, string(fn.Filepath))
 }
 
 // CommandMenu returns a menu function for commands for given language and vcs name
-func (cv *Code) CommandMenu(lang fileinfo.Known, repo vcs.Repo, fname string) func(mm *core.Scene) {
+func (cv *Code) CommandMenu(lang fileinfo.Known, repo vcs.Repo, fname string) func(mm *core.Scene, pos image.Point) {
 	vcstype := cv.VersionControl()
 	if repo != nil {
 		vcstype = repo.Type()
@@ -826,7 +827,7 @@ func (cv *Code) CommandMenu(lang fileinfo.Known, repo vcs.Repo, fname string) fu
 	if hsz > 0 {
 		lastCmd = string((cv.CmdHistory)[hsz-1])
 	}
-	return func(mm *core.Scene) {
+	return func(mm *core.Scene, pos image.Point) {
 		for _, cc := range cmds {
 			cc := cc
 			n := len(cc)
@@ -836,7 +837,7 @@ func (cv *Code) CommandMenu(lang fileinfo.Known, repo vcs.Repo, fname string) fu
 			cmdCat := cc[0]
 			icon := CommandIcons[cmdCat]
 			cb := core.NewButton(mm).SetText(cmdCat).SetType(core.ButtonMenu).SetIcon(icon)
-			cb.SetMenu(func(m *core.Scene) {
+			cb.SetMenu(func(m *core.Scene, pos image.Point) {
 				for ii := 1; ii < n; ii++ {
 					it := cc[ii]
 					cmdNm := CommandName(cmdCat, it)
diff --git a/code/filetree.go b/code/filetree.go
index 0f8a8cf4..134fb59b 100644
--- a/code/filetree.go
+++ b/code/filetree.go
@@ -5,6 +5,7 @@
 package code
 
 import (
+	"image"
 	"log"
 	"path/filepath"
 
@@ -90,7 +91,7 @@ func (fn *FileNode) ExecCmdNameFile(cmdNm string) {
 	}
 }
 
-func (fn *FileNode) ContextMenu(m *core.Scene) {
+func (fn *FileNode) ContextMenu(m *core.Scene, pos image.Point) {
 	cv, ok := ParentCode(fn.This)
 	if ok {
 		core.NewButton(m).SetText("Exec Cmd").SetIcon(icons.Terminal).
diff --git a/code/texteditor.go b/code/texteditor.go
index 82cc3200..eb730de3 100644
--- a/code/texteditor.go
+++ b/code/texteditor.go
@@ -188,7 +188,7 @@ func ConfigOutputTextEditor(ed *textcore.Editor) {
 }
 
 // ContextMenu builds the text editor context menu
-func (ed *TextEditor) ContextMenu(m *core.Scene) {
+func (ed *TextEditor) ContextMenu(m *core.Scene, pos image.Point) {
 	core.NewButton(m).SetText("Copy").SetIcon(icons.ContentCopy).
 		SetKey(keymap.Copy).SetState(!ed.HasSelection(), states.Disabled).
 		OnClick(func(e events.Event) {
@@ -219,7 +219,7 @@ func (ed *TextEditor) ContextMenu(m *core.Scene) {
 	fn := ed.Code.FileNodeForFile(ed.Lines.Filename())
 	if fn != nil {
 		fn.SelectEvent(events.SelectOne)
-		fn.VCSContextMenu(m)
+		fn.VCSContextMenu(m, pos)
 	}
 
 	if ed.Code.CurDebug() != nil {