[PATCH v5] crecord: add an event that scrolls the selected line to the top of the screen
Pierre-Yves David
pierre-yves.david at ens-lyon.org
Tue Sep 20 11:26:42 EDT 2016
On 09/20/2016 05:04 PM, Nathan Goldbaum wrote:
> # HG changeset patch
> # User Nathan Goldbaum <ngoldbau at illinois.edu>
> # Date 1474383830 18000
> # Tue Sep 20 10:03:50 2016 -0500
> # Node ID da914962b6c3f55c3f14cd7b82a4c0204c2d6a0d
> # Parent 769aee32fae0f7eb8768ea2e90780af4e9a92761
> crecord: add an event that scrolls the selected line to the top of the screen
>
> Using ctrl-l for this purpose seems to be a fairly widely used practice,
> presumably following emacs. This doesn't scroll the selected line all
> the way to the top of the window, instead it leaves a 3 line buffer for
> context. Use curses.unctrl() to resolve keypressed to '^L' to avoid
> hard-coding hexadecimal key codes.
Pushed, thanks.
I've dropped the first hunk with the new empty line.
> diff -r 769aee32fae0 -r da914962b6c3 mercurial/crecord.py
> --- a/mercurial/crecord.py Mon Sep 19 09:14:35 2016 -0700
> +++ b/mercurial/crecord.py Tue Sep 20 10:03:50 2016 -0500
> @@ -715,6 +715,7 @@ class curseschunkselector(object):
>
> self.currentselecteditem = currentitem
>
> +
> def updatescroll(self):
> "scroll the screen to fully show the currently-selected"
> selstart = self.selecteditemstartline
> @@ -1338,6 +1339,7 @@ the following are valid keystrokes:
> shift-left-arrow [H] : go to parent header / fold selected header
> f : fold / unfold item, hiding/revealing its children
> F : fold / unfold parent item and all of its ancestors
> + ctrl-l : scroll the selected line to the top of the screen
> m : edit / resume editing the commit message
> e : edit the currently selected hunk
> a : toggle amend mode, only with commit -i
> @@ -1582,6 +1584,9 @@ are you sure you want to review/edit and
> self.helpwindow()
> self.stdscr.clear()
> self.stdscr.refresh()
> + elif curses.unctrl(keypressed) in ["^L"]:
> + # scroll the current line to the top of the screen
> + self.scrolllines(self.selecteditemstartline)
>
> def main(self, stdscr):
> """
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--
Pierre-Yves David
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