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-rw-r--r--Lib/idlelib/EditorWindow.py21
1 files changed, 9 insertions, 12 deletions
diff --git a/Lib/idlelib/EditorWindow.py b/Lib/idlelib/EditorWindow.py
index aeec9bf..ffc4e88 100644
--- a/Lib/idlelib/EditorWindow.py
+++ b/Lib/idlelib/EditorWindow.py
@@ -306,10 +306,10 @@ class EditorWindow(object):
if (event.state & 4) != 0 and event.keysym == "Home":
# state&4==Control. If <Control-Home>, use the Tk binding.
return
-
if self.text.index("iomark") and \
self.text.compare("iomark", "<=", "insert lineend") and \
self.text.compare("insert linestart", "<=", "iomark"):
+ # In Shell on input line, go to just after prompt
insertpt = int(self.text.index("iomark").split(".")[1])
else:
line = self.text.get("insert linestart", "insert lineend")
@@ -318,30 +318,27 @@ class EditorWindow(object):
break
else:
insertpt=len(line)
-
lineat = int(self.text.index("insert").split('.')[1])
-
if insertpt == lineat:
insertpt = 0
-
dest = "insert linestart+"+str(insertpt)+"c"
-
if (event.state&1) == 0:
- # shift not pressed
+ # shift was not pressed
self.text.tag_remove("sel", "1.0", "end")
else:
if not self.text.index("sel.first"):
- self.text.mark_set("anchor","insert")
-
+ self.text.mark_set("my_anchor", "insert") # there was no previous selection
+ else:
+ if self.text.compare(self.text.index("sel.first"), "<", self.text.index("insert")):
+ self.text.mark_set("my_anchor", "sel.first") # extend back
+ else:
+ self.text.mark_set("my_anchor", "sel.last") # extend forward
first = self.text.index(dest)
- last = self.text.index("anchor")
-
+ last = self.text.index("my_anchor")
if self.text.compare(first,">",last):
first,last = last,first
-
self.text.tag_remove("sel", "1.0", "end")
self.text.tag_add("sel", first, last)
-
self.text.mark_set("insert", dest)
self.text.see("insert")
return "break"