Merge IDLE-syntax-branch r39668:41449 into trunk

A    idlelib/AutoCompleteWindow.py
A    idlelib/AutoComplete.py
A    idlelib/HyperParser.py
M    idlelib/PyShell.py
M    idlelib/ParenMatch.py
M    idlelib/configDialog.py
M    idlelib/EditorWindow.py
M    idlelib/PyParse.py
M    idlelib/CallTips.py
M    idlelib/CallTipWindow.py
M    idlelib/run.py
M    idlelib/config-extensions.def
A    idlelib/MultiCall.py

Lib/idlelib/CallTipWindow.py

@@ -6,33 +6,65 @@ Used by the CallTips IDLE extension.
 """
 from Tkinter import *
 
+HIDE_VIRTUAL_EVENT_NAME = "<<caltipwindow-hide>>"
+HIDE_SEQUENCES = ("<Key-Escape>", "<FocusOut>")
+CHECKHIDE_VIRTUAL_EVENT_NAME = "<<calltipwindow-checkhide>>"
+CHECKHIDE_SEQUENCES = ("<KeyRelease>", "<ButtonRelease>")
+CHECKHIDE_TIME = 100 # miliseconds
+
+MARK_RIGHT = "calltipwindowregion_right"
+
 class CallTip:
 
     def __init__(self, widget):
         self.widget = widget
-        self.tipwindow = None
-        self.id = None
-        self.x = self.y = 0
+        self.tipwindow = self.label = None
+        self.parenline = self.parencol = None
+        self.lastline = None
+        self.hideid = self.checkhideid = None
 
-    def showtip(self, text):
-        " Display text in calltip window"
+    def position_window(self):
+        """Check if needs to reposition the window, and if so - do it."""
+        curline = int(self.widget.index("insert").split('.')[0])
+        if curline == self.lastline:
+            return
+        self.lastline = curline
+        self.widget.see("insert")
+        if curline == self.parenline:
+            box = self.widget.bbox("%d.%d" % (self.parenline,
+                                              self.parencol))
+        else:
+            box = self.widget.bbox("%d.0" % curline)
+        if not box:
+            box = list(self.widget.bbox("insert"))
+            # align to left of window
+            box[0] = 0
+            box[2] = 0
+        x = box[0] + self.widget.winfo_rootx() + 2
+        y = box[1] + box[3] + self.widget.winfo_rooty()
+        self.tipwindow.wm_geometry("+%d+%d" % (x, y))
+
+    def showtip(self, text, parenleft, parenright):
+        """Show the calltip, bind events which will close it and reposition it.
+        """
         # truncate overly long calltip
         if len(text) >= 79:
             text = text[:75] + ' ...'
         self.text = text
         if self.tipwindow or not self.text:
             return
-        self.widget.see("insert")
-        x, y, cx, cy = self.widget.bbox("insert")
-        x = x + self.widget.winfo_rootx() + 2
-        y = y + cy + self.widget.winfo_rooty()
+
+        self.widget.mark_set(MARK_RIGHT, parenright)
+        self.parenline, self.parencol = map(
+            int, self.widget.index(parenleft).split("."))
+
         self.tipwindow = tw = Toplevel(self.widget)
+        self.position_window()
         # XXX 12 Dec 2002 KBK The following command has two effects: It removes
         #     the calltip window border (good) but also causes (at least on
         #     Linux) the calltip to show as a top level window, burning through
         #     any other window dragged over it.  Also, shows on all viewports!
         tw.wm_overrideredirect(1)
-        tw.wm_geometry("+%d+%d" % (x, y))
         try:
             # This command is only needed and available on Tk >= 8.4.0 for OSX
             # Without it, call tips intrude on the typing process by grabbing
@@ -41,16 +73,66 @@ class CallTip:
                        "help", "noActivates")
         except TclError:
             pass
-        label = Label(tw, text=self.text, justify=LEFT,
-                      background="#ffffe0", relief=SOLID, borderwidth=1,
-                      font = self.widget['font'])
-        label.pack()
+        self.label = Label(tw, text=self.text, justify=LEFT,
+                           background="#ffffe0", relief=SOLID, borderwidth=1,
+                           font = self.widget['font'])
+        self.label.pack()
+
+        self.checkhideid = self.widget.bind(CHECKHIDE_VIRTUAL_EVENT_NAME,
+                                            self.checkhide_event)
+        for seq in CHECKHIDE_SEQUENCES:
+            self.widget.event_add(CHECKHIDE_VIRTUAL_EVENT_NAME, seq)
+        self.widget.after(CHECKHIDE_TIME, self.checkhide_event)
+        self.hideid = self.widget.bind(HIDE_VIRTUAL_EVENT_NAME,
+                                       self.hide_event)
+        for seq in HIDE_SEQUENCES:
+            self.widget.event_add(HIDE_VIRTUAL_EVENT_NAME, seq)
+
+    def checkhide_event(self, event=None):
+        if not self.tipwindow:
+            # If the event was triggered by the same event that unbinded
+            # this function, the function will be called nevertheless,
+            # so do nothing in this case.
+            return
+        curline, curcol = map(int, self.widget.index("insert").split('.'))
+        if curline < self.parenline or \
+           (curline == self.parenline and curcol <= self.parencol) or \
+           self.widget.compare("insert", ">", MARK_RIGHT):
+            self.hidetip()
+        else:
+            self.position_window()
+            self.widget.after(CHECKHIDE_TIME, self.checkhide_event)
+
+    def hide_event(self, event):
+        if not self.tipwindow:
+            # See the explanation in checkhide_event.
+            return
+        self.hidetip()
 
     def hidetip(self):
-        tw = self.tipwindow
+        if not self.tipwindow:
+            return
+
+        for seq in CHECKHIDE_SEQUENCES:
+            self.widget.event_delete(CHECKHIDE_VIRTUAL_EVENT_NAME, seq)
+        self.widget.unbind(CHECKHIDE_VIRTUAL_EVENT_NAME, self.checkhideid)
+        self.checkhideid = None
+        for seq in HIDE_SEQUENCES:
+            self.widget.event_delete(HIDE_VIRTUAL_EVENT_NAME, seq)
+        self.widget.unbind(HIDE_VIRTUAL_EVENT_NAME, self.hideid)
+        self.hideid = None
+
+        self.label.destroy()
+        self.label = None
+        self.tipwindow.destroy()
         self.tipwindow = None
-        if tw:
-            tw.destroy()
+
+        self.widget.mark_unset(MARK_RIGHT)
+        self.parenline = self.parencol = self.lastline = None
+
+    def is_active(self):
+        return bool(self.tipwindow)
+
 
 
 ###############################