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bug#38013: [PATCH] Rectangular region selection with mouse
From: |
Mattias Engdegård |
Subject: |
bug#38013: [PATCH] Rectangular region selection with mouse |
Date: |
Fri, 1 Nov 2019 12:53:44 +0100 |
1 nov. 2019 kl. 08.51 skrev Eli Zaretskii <eliz@gnu.org>:
> Could you please tell how to try and test this feature? The patch
> comes without any documentation, so it's hard to understand quickly
> what to do to see this in action.
With the default settings, click and drag (mouse button 1) with meta held to
mark a rectangular region.
Sorry about the lack of documentation; it will be written once we agree on the
design.
> I'd prefer not to step on another feature, if possible. How about
> defining a minor mode, and then using the usual mouse selection
> gestures instead? That would be more natural, IMO, and will not
> require users to give up another feature.
Very much agree that other features should be left alone, but in this case
there seemed to be no really good unused binding.
A minor mode is less ideal: rectangular selection is something the user wants
to be able to do on a whim, without having to plan ahead by activating a minor
mode. It is also good to follow standard practice in other editors and terminal
emulators
Competing mouse bindings are:
Meta: secondary selection
Shift: mouse-appearance-menu (mouse-save-then-kill for NS)
Control: mouse-buffer-menu
The secondary selection appeared weaker than the rest, in the sense that
repurposing its binding would annoy fewer users than the alternatives. (Annoyed
users can still regain the old behaviour by customisation.)
Other possibilities:
A. Unbind mouse-appearance-menu, mouse-save-then-kill or mouse-buffer-menu
instead. The trade-offs are similar.
B. Combined modifiers (Shift-Meta etc). Less ergonomic; there may be platform
restrictions.
C. Use a different mouse button. Diverges from other platforms; messy on Macs.
D. Less common modifiers (Super, Hyper). Many don't have them.
E. Follow the platform conventions. Not the Emacs tradition, and makes for more
binding clashes.
F. Leaving rectangular selection unbound by default. This is tantamount to
stating that it is less useful. Is it?
- bug#38013: [PATCH] Rectangular region selection with mouse, Eli Zaretskii, 2019/11/01
- bug#38013: [PATCH] Rectangular region selection with mouse,
Mattias Engdegård <=
- bug#38013: [PATCH] Rectangular region selection with mouse, Eli Zaretskii, 2019/11/01
- bug#38013: [PATCH] Rectangular region selection with mouse, Eli Zaretskii, 2019/11/01
- bug#38013: [PATCH] Rectangular region selection with mouse, Mattias Engdegård, 2019/11/03
- bug#38013: [PATCH] Rectangular region selection with mouse, Drew Adams, 2019/11/03
- bug#38013: [PATCH] Rectangular region selection with mouse, martin rudalics, 2019/11/04
- bug#38013: [PATCH] Rectangular region selection with mouse, Mattias Engdegård, 2019/11/04
- bug#38013: [PATCH] Rectangular region selection with mouse, Drew Adams, 2019/11/04
- bug#38013: [PATCH] Rectangular region selection with mouse, martin rudalics, 2019/11/04
- bug#38013: [PATCH] Rectangular region selection with mouse, Mattias Engdegård, 2019/11/04
- bug#38013: [PATCH] Rectangular region selection with mouse, martin rudalics, 2019/11/05