56 lines
1.7 KiB
Python
56 lines
1.7 KiB
Python
import tkinter
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class CreateToolTip(object):
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"""
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create a tooltip for a given widget
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"""
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def __init__(self, widget, text='widget info'):
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self.waittime = 500 # miliseconds
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self.wraplength = 180 # pixels
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self.widget = widget
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self.text = text
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self.widget.bind("<Enter>", self.enter)
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self.widget.bind("<Leave>", self.leave)
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self.widget.bind("<ButtonPress>", self.leave)
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self.id = None
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self.tw = None
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def enter(self, event=None):
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self.schedule()
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def leave(self, event=None):
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self.unschedule()
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self.hidetip()
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def schedule(self):
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self.unschedule()
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self.id = self.widget.after(self.waittime, self.showtip)
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def unschedule(self):
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unscheduleid = self.id
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self.id = None
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if unscheduleid:
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self.widget.after_cancel(unscheduleid)
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def showtip(self, event=None):
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x, y, cx, cy = self.widget.bbox("insert")
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x += self.widget.winfo_rootx() + 25
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y += self.widget.winfo_rooty() + 20
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# creates a toplevel window
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self.tw = tkinter.Toplevel(self.widget)
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# Leaves only the label and removes the app window
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self.tw.wm_overrideredirect(True)
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self.tw.wm_geometry("+%d+%d" % (x, y))
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label = tkinter.Label(self.tw, text=self.text, justify='left',
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background="#ffffff", relief='solid', borderwidth=1,
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wraplength=self.wraplength)
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label.pack(ipadx=1)
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def hidetip(self):
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tw = self.tw
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self.tw = None
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if tw:
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tw.destroy()
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