tmux already moves the content into the history on clear.
On Thu, Mar 08, 2012 at 11:32:02AM -0800, Gustavo Baratto wrote: > Hi guys... > > Is there any news regarding this? > I'm on tmux 1.5, and having problem with tmux overwriting existing content > on the terminal when starting vi. > I cannot send clear as '\E[H\E[2J' with either terminal-override: > > set -g terminal-overrides *'*:smcup@:rmcup@:clear=\E[H\E[2J' > > or by compiling my own terminal. > > Recapping what the problem is (in the well crafted words of Fabian in an > earlier post): > --- > > What typically happens is something like this for a 4 line terminal: > > shell% ls > file1 > file2 > shell% > > Now if I would type vim as command (and execute it by pressing enter), > what I want to happen, is that the above 4 lines are moved up in my > terminal's buffer, and Vim to use "new space" below what was already on > the screen. > --- > > I really like tmux, but this behavior is a showstopper for me and many > co-workers that now use screen. > Thanks a bunch :) > g. > > On Sun, Sep 25, 2011 at 07:55:27AM +0100, Nicholas Marriott wrote: > > It wasn't supported in tmux 1.4, try tmux 1.5? > > > > If that doesn't work, send me the output of "clear|cat -v" on your > > box. > > > > > > On Sat, Sep 24, 2011 at 06:25:40PM -0700, Robin Lee Powell wrote: > > > Note, by the way, that on other machines "clear" *used* to do the > > > right thing for me; we had a long thread about it a while back; > > > [1]http://www.mail-archive.com/tmux-users@...> > > > > > > This is a completely new system, and I don't know what changed. > > > It's Fedora 15, running tmux 1.4. > > > > > > Suggestions welcome for how to test/debug this, as usual. > > > > > > -Robin > > > > > > On Sat, Sep 24, 2011 at 06:15:29PM -0700, Robin Lee Powell wrote: > > > > On my current Fedora machine, no, it doesn't. > > > > > > > > If I run "clear", with alternate-screen off, it simply destroys > > > > what's on the screen; it doesn't go into tmux's backscroll/history > > > > or anything, it's just *gone*. > > > > > > > > I want this fixed so very, very badly. ;_; > > > > > > > > It annoys me so much that I may have to switch back to GNU screen, > > > > where I never had this problem, despite it being a worse program in > > > > basically every other respect. > > > > > > > > -Robin > > > > > > > > On Mon, Aug 22, 2011 at 10:28:09PM +0100, Nicholas Marriott wrote: > > > > > Don't we do this already? Clear screen scrolls lines into the > history? > > > > > Or do you want something else? It isn't very obvious. > > > > > > > > > > > > > > > > > > > > On Mon, Aug 22, 2011 at 10:22:16PM +0200, Fabian Groffen wrote: > > > > > > Hi list, > > > > > > > > > > > > In my quest to get rid of the alternative buffer feature of > todays > > > > > > terminals, I've configured tmux with: > > > > > > > > > > > > set -g terminal-overrides 'xterm*:smcup@...@' > > > > > > set -g alternate-screen off > > > > > > > > > > > > This basically does everything I want, except that compared to a > > > > > > non-tmux session (with terminfo settings to remove smcup and > rmcup > > > > > > capabilities) a "clear" overwrites the existing contents of the > > > > > > terminal. E.g. when I run Vim in tmux, I lose the information on > my > > > > > > screen, whereas outside it isn't. The \E[2J sequence triggers a > full > > > > > > clear screen, and the attached patch changes the behaviour for > that > > > > > > sequence in the tty_cmd_clearscreen function not to overwrite, > but > > > > > > rather add empty lines to make the terminal clean. This is only > done > > > > > > when alternate-screen is set to off, when this behaviour makes > sense. > > > > > > > > > > > > Please consider the attached patch. > > > > > > > > > > > > > > > > > > -- > > > > > > Fabian Groffen > > > > > > Gentoo on a different level > > > > > > > > > > > # HG changeset patch > > > > > > # User Fabian Groffen <grobian@...> > > > > > > # Date 1314042382 -7200 > > > > > > # Node ID 1b455a85ed6ca5e6aeea23a7152bffcc902966b3 > > > > > > # Parent 051fdc014dc5bc730e4b0eb380af8b09938dd9b8 > > > > > > tty_cmd_clearscreen: don't overwrite the buffer if > alternate-screen=off > > > > > > > > > > > > If the alternative-screen isn't used, overwriting the buffer > contents > > > > > > loses the information that the user probably wanted to retain > (hence no > > > > > > alternate-screen). Instead, write enough newlines to clear the > screen > > > > > > and reset the cursor, such that we retain all information that > was on > > > > > > the screen before the clear. > > > > > > > > > > > > For example: having ls output and starting Vim won't overwrite > the ls > > > > > > output, but show the output including the vim invocation. > > > > > > > > > > > > diff -r 051fdc014dc5 -r 1b455a85ed6c tty.c > > > > > > --- a/tty.c Mon Aug 22 20:14:55 2011 +0200 > > > > > > +++ b/tty.c Mon Aug 22 21:46:22 2011 +0200 > > > > > > @@ -899,24 +899,32 @@ > > > > > > > > > > > > tty_reset(tty); > > > > > > > > > > > > - tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1); > > > > > > - tty_cursor_pane(tty, ctx, 0, 0); > > > > > > + if (options_get_number(&wp->window->options, > "alternate-screen")) { > > > > > > + tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1); > > > > > > + tty_cursor_pane(tty, ctx, 0, 0); > > > > > > > > > > > > - if (wp->xoff == 0 && screen_size_x(s) >= tty->sx && > > > > > > - tty_term_has(tty->term, TTYC_EL)) { > > > > > > - for (i = 0; i < screen_size_y(s); i++) { > > > > > > - tty_putcode(tty, TTYC_EL); > > > > > > - if (i != screen_size_y(s) - 1) { > > > > > > - tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1); > > > > > > - tty->cy++; > > > > > > + if (wp->xoff == 0 && screen_size_x(s) >= tty->sx && > > > > > > + tty_term_has(tty->term, TTYC_EL)) { > > > > > > + for (i = 0; i < screen_size_y(s); i++) { > > > > > > + tty_putcode(tty, TTYC_EL); > > > > > > + if (i != screen_size_y(s) - 1) { > > > > > > + tty_emulate_repeat(tty, TTYC_CUD, TTYC_CUD1, 1); > > > > > > + tty->cy++; > > > > > > + } > > > > > > + } > > > > > > + } else { > > > > > > + for (j = 0; j < screen_size_y(s); j++) { > > > > > > + tty_cursor_pane(tty, ctx, 0, j); > > > > > > + for (i = 0; i < screen_size_x(s); i++) > > > > > > + tty_putc(tty, ' '); > > > > > > } > > > > > > } > > > > > > } else { > > > > > > - for (j = 0; j < screen_size_y(s); j++) { > > > > > > - tty_cursor_pane(tty, ctx, 0, j); > > > > > > - for (i = 0; i < screen_size_x(s); i++) > > > > > > - tty_putc(tty, ' '); > > > > > > - } > > > > > > + /* make sure we don't overwrite buffer contents, move down */ > > > > > > + for (j = 0; j < screen_size_y(s); j++) > > > > > > + tty_putc(tty, '\n'); > > > > > > + tty_region_pane(tty, ctx, 0, screen_size_y(s) - 1); > > > > > > + tty_cursor_pane(tty, ctx, 0, 0); > > > > > > } > > > > > > } > > > > > > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > > > > > > uberSVN's rich system and user administration capabilities and > model > > > > > > configuration take the hassle out of deploying and managing > Subversion and > > > > > > the tools developers use with it. Learn more about uberSVN and > get a free > > > > > > download at: [2]http://p.sf.net/sfu/wandisco-dev2dev > > > > > > > > > > > _______________________________________________ > > > > > > tmux-users mailing list > > > > > > tmux-users@... > > > > > > [3]https://lists.sourceforge.net/lists/listinfo/tmux-users > > > > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > > > > > uberSVN's rich system and user administration capabilities and > model > > > > > configuration take the hassle out of deploying and managing > Subversion and > > > > > the tools developers use with it. Learn more about uberSVN and get > a free > > > > > download at: [4]http://p.sf.net/sfu/wandisco-dev2dev > > > > > _______________________________________________ > > > > > tmux-users mailing list > > > > > tmux-users@... > > > > > [5]https://lists.sourceforge.net/lists/listinfo/tmux-users > > > > > > ------------------------------------------------------------------------------ > > All of the data generated in your IT infrastructure is seriously > valuable. > > Why? It contains a definitive record of application performance, > security > > threats, fraudulent activity, and more. Splunk takes this data and makes > > sense of it. IT sense. And common sense. > > [6]http://p.sf.net/sfu/splunk-d2dcopy2 > > _______________________________________________ > > tmux-users mailing list > > tmux-users@... > > [7]https://lists.sourceforge.net/lists/listinfo/tmux-users > > > > References > > Visible links > 1. http://www.mail-archive.com/tmux-users@.. > 2. http://p.sf.net/sfu/wandisco-dev2dev > 3. https://lists.sourceforge.net/lists/listinfo/tmux-users > 4. http://p.sf.net/sfu/wandisco-dev2dev > 5. https://lists.sourceforge.net/lists/listinfo/tmux-users > 6. http://p.sf.net/sfu/splunk-d2dcopy2 > 7. https://lists.sourceforge.net/lists/listinfo/tmux-users > ------------------------------------------------------------------------------ > Virtualization & Cloud Management Using Capacity Planning > Cloud computing makes use of virtualization - but cloud computing > also focuses on allowing computing to be delivered as a service. > http://www.accelacomm.com/jaw/sfnl/114/51521223/ > _______________________________________________ > tmux-users mailing list > tmux-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/tmux-users ------------------------------------------------------------------------------ Virtualization & Cloud Management Using Capacity Planning Cloud computing makes use of virtualization - but cloud computing also focuses on allowing computing to be delivered as a service. http://www.accelacomm.com/jaw/sfnl/114/51521223/ _______________________________________________ tmux-users mailing list tmux-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/tmux-users
