Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / v8plus / lib / python2.4 / idlelib / CallTipWindow.py

"""A CallTip window class for Tkinter/IDLE.

After ToolTip.py, which uses ideas gleaned from PySol
Used by the CallTips IDLE extension.

"""
from Tkinter import *

class CallTip:

   def __init__(self, widget):
       self.widget = widget
       self.tipwindow = None
       self.id = None
       self.x = self.y = 0

   def showtip(self, text):
       " Display text in calltip window"
       # 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.tipwindow = tw = Toplevel(self.widget)
       # 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
           # the focus.
           tw.tk.call("::tk::unsupported::MacWindowStyle", "style", tw._w,
                      "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()

   def hidetip(self):
       tw = self.tipwindow
       self.tipwindow = None
       if tw:
           tw.destroy()


###############################
#
# Test Code
#
class container: # Conceptually an editor_window
   def __init__(self):
       root = Tk()
       text = self.text = Text(root)
       text.pack(side=LEFT, fill=BOTH, expand=1)
       text.insert("insert", "string.split")
       root.update()
       self.calltip = CallTip(text)

       text.event_add("<<calltip-show>>", "(")
       text.event_add("<<calltip-hide>>", ")")
       text.bind("<<calltip-show>>", self.calltip_show)
       text.bind("<<calltip-hide>>", self.calltip_hide)

       text.focus_set()
       root.mainloop()

   def calltip_show(self, event):
       self.calltip.showtip("Hello world")

   def calltip_hide(self, event):
       self.calltip.hidetip()

def main():
   # Test code
   c=container()

if __name__=='__main__':
   main()