[issue25198] Idle: improve idle.html help viewer.
Terry J. Reedy
report at bugs.python.org
Fri Sep 25 01:16:00 CEST 2015
Terry J. Reedy added the comment:
Fixed. I added a light background as with Sphinx html. I am delighted with how well this is working so far. I like the little always-there [TOC] button better than the browser sidebar. Besides making it easy to verify the look of doc changes, I think it looks better. I like the appearance of the tk version, without the down arrow, a bit better than the ttk version with an arrow, but would switch, when possible, if there were functional reason (see below).
To improve the button: I want to add an activebackground (or foreground) so when moused over, the button is more obviously a live button to be pushed. Any particular suggestion? Is there a standard? Or do I worry too much? Idle buttons don't change when moused over, but they have relief to convey 'push me'.
So that people can navigate without mouse, I tested adding takefocus=True to toc creation, takefocus=False to text, and toc.focus_set(). <space> (and <click>), <enter>, and <esc> work as expected. However the tk Menubutton (but not ttk version) seems to have a bug (at least here, ). After <space>, it is left in a 'pressed' state, with a black outline, while the menu is displayed, and after. (With <click> the outline and menu appear on button-press and the outline disappears on button-release, while the menu remains.) A click on the button is required to reset it and remove the outline. Then either <space> or <click> work as before. I tried an expanded command function to reset toc,
def cmd(mark=tag):
toc['state'] = 'disabled'
toc['state'] = 'normal'
text.see(mark)
but this does not work. If this bug windows-only or general? Do you know of any other workaround to make the tk version work right? Since click-to-reset is not obvious, and defeats keyboard-only use, I will not enable focus when click-reset is needed.
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<http://bugs.python.org/issue25198>
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