[Tkinter-discuss] Application window icon on Linux

[Michael Lange]

Hi Mark,

Thus spoketh Mark Summerfield <list at qtrac.plus.com> 
unto us on Thu, 7 Jun 2012 17:18:25 +0100:

> This works perfectly on Windows 7. But on Linux (Debian & Ubuntu), I
> just get a default icon. The print() statement produces:
> @/home/mark/hello.xbm

I had to look twice myself, even if you showed the solution yourself in
the sentence above: of course os.path.isfile('@/home/mark/hello.xbm')
will always be False ;) If you change your set_icon() function to use a
simple try...except instead of additional tests as in

    def set_icon(self, iconName):
        windowSystem = self.master.tk.call("tk", "windowingsystem")
        if windowSystem == "win32": # Windows
            iconName += ".ico"
        elif windowSystem == "x11": # Unix
            iconName = "@" + iconName + ".xbm"
        try:
            self.master.iconbitmap(iconName)
        except TclError:
            pass

it should save you some headaches and (hopefully) work fine as long as
the bitmap file is present.

Regards

Michael

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