gmoccapy: fix detection of file change

Author: hansu

lib/python/gladevcp/hal_sourceview.py

@@ -46,6 +46,7 @@ def __init__(self, *a, **kw):
         self.buf = gtksourceview.Buffer()
         self.buf.set_max_undo_levels(20)
         self.buf.connect('changed', self.update_iter)
+        self.buf.connect('modified-changed', self.modified_changed)
         self.set_buffer(self.buf)
         self.lm = gtksourceview.LanguageManager()
         self.sm = gtksourceview.StyleSchemeManager()
@@ -206,6 +207,9 @@ def update_iter(self,widget=None):
         self.match_start = self.match_end = None
         start, end = self.buf.get_bounds()
         self.buf.remove_tag(self.found_text_tag, start, end)
+
+    def modified_changed(self,widget):
+        self.update_iter()
         self.emit("changed")
 
     # This will search the buffer for a specified text string.

src/emc/usr_intf/gmoccapy/gmoccapy.py

@@ -4679,9 +4679,10 @@ def on_btn_edit_clicked(self, widget, data=None):
         self.gcodeerror = ""
         self.file_changed = False
 
-    def on_gcode_view_changed(self, state):
-        print("gcode view changed")
-        self.file_changed = True
+    def on_gcode_view_changed(self, widget):
+        buf_modified = self.widgets.gcode_view.buf.get_modified()
+        print("gcode view changed (modified: {})".format(buf_modified))
+        self.file_changed = buf_modified
 
     # Search and replace handling in edit mode
     # undo changes while in edit mode