From df4f9b9c59f9f0b6dccee39891212286306d118e Mon Sep 17 00:00:00 2001
From: Yorik van Havre <yorik@uncreated.net>
Date: Fri, 13 Jan 2023 11:41:55 +0100
Subject: [PATCH] [Draft] Add Units Selector to Status Bar

---
 .../Draft/draftutils/init_draft_statusbar.py  | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/src/Mod/Draft/draftutils/init_draft_statusbar.py b/src/Mod/Draft/draftutils/init_draft_statusbar.py
index 4f761952e3..5f34ba4329 100644
--- a/src/Mod/Draft/draftutils/init_draft_statusbar.py
+++ b/src/Mod/Draft/draftutils/init_draft_statusbar.py
@@ -223,6 +223,24 @@ def init_draft_statusbar_snap():
     this function initializes draft statusbar snap widget
     """
 
+    unitsList = [translate("Draft","Millimeters"),
+                 translate("Draft","Centimeters"),
+                 translate("Draft","Meters"),
+                 translate("Draft","Inches"),
+                 translate("Draft","Feet"),
+                 translate("Draft","Architectural"),
+                    ]
+
+    def setUnit(action):
+
+        # set the label of the unit button
+        utext = action.text().replace("&","")
+        unit = [0,4,1,3,7,5][unitsList.index(utext)]
+        App.ParamGet("User parameter:BaseApp/Preferences/Units").SetInt("UserSchema",unit)
+        if hasattr(App.Units,"setSchema"):
+            App.Units.setSchema(unit)
+        action.parent().parent().parent().setText(utext)
+
     def _spacer():
         """
         empty label instead of snap_widget.addSeparator()
@@ -271,6 +289,25 @@ def init_draft_statusbar_snap():
     # working plane button:
     snap_widget.addAction(Gui.Command.get("Draft_Snap_WorkingPlane").getAction()[0])
 
+    # units chooser
+    snap_widget.unitsList = unitsList
+    unitLabel = QtGui.QPushButton("Unit")
+    unitLabel.setObjectName("UnitLabel")
+    unitLabel.setFlat(True)
+    unit = App.ParamGet("User parameter:BaseApp/Preferences/Units").GetInt("UserSchema",0)
+    menu = QtGui.QMenu(unitLabel)
+    gUnits = QtGui.QActionGroup(menu)
+    for u in unitsList:
+        a = QtGui.QAction(gUnits)
+        a.setText(u)
+        menu.addAction(a)
+    unitLabel.setMenu(menu)
+    gUnits.triggered.connect(setUnit)
+    unitLabel.setText([unitsList[0],unitsList[2],unitsList[3],unitsList[3],unitsList[1],unitsList[5],unitsList[0],unitsList[4]][unit])
+    unitLabel.setToolTip(translate("Draft","The preferred unit you are currently working with."))
+    snap_widget.addWidget(unitLabel)
+    snap_widget.unitLabel = unitLabel
+
     # menu for lock button:
     for cmd in get_draft_snap_commands():
         if cmd not in ["Separator",