71 lines
1.9 KiB
Python
71 lines
1.9 KiB
Python
# A CallTip window class for Tkinter/IDLE.
|
|
# After ToolTip.py, which uses ideas gleaned from PySol
|
|
|
|
# Used by the CallTips IDLE extension.
|
|
import os
|
|
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):
|
|
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)
|
|
tw.wm_overrideredirect(1)
|
|
tw.wm_geometry("+%d+%d" % (x, y))
|
|
label = Label(tw, text=self.text, justify=LEFT,
|
|
background="#ffffe0", relief=SOLID, borderwidth=1)
|
|
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() # not in idle
|
|
|
|
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()
|