Can you send me everything together please?

On Wed, May 03, 2017 at 01:14:09AM -0500, Joshua Brot wrote:
> I've now implemented the client-session-changed control mode hook per
> our discussion. Furthermore, I discovered that client-session-changed
> was not being sent during the switch client command which explains why
> it was not firing enough earlier. My patch corrects this behavior. I
> then proceeded to grep the entire source for "session = " and can say
> with relative confidence that at every other place where the session
> gets changed, the client-session-changed notification is properly
> sent.
> 
> I've attached a separate patch from last time. Let me know if you'd
> prefer to have one patch with both changes. Also let me know if
> there's anything else that needs changing in the patch. All together,
> with these two patches I'm very satisfied with the data provided by
> control mode and I believe I should be able to complete my project as
> planned. :)
> 
> Thanks,
> Joshua
> 
> On 5/2/17, Nicholas Marriott <[email protected]> wrote:
> > I think all sessions windows panes is OK, at the moment only input is
> > filtered by the control client's session (because it is high volume).
> >
> > pane-mode-changed it would be nice if it showed the mode but TBH it is
> > probably not worth the trouble if doing ls/lsp/whatever is fine (can add
> > a format to show the name of the mode if needed).
> >
> > For client-session-changed I suggest splitting it into %%session-changed
> > (for this client's session like now) and %%client-session-changed (for
> > another client's session). You'll need to loop over all clients and
> > choose which one to use, like it does for window-renamed etc.
> >
> >
> >
> >
> > On Tue, May 02, 2017 at 08:37:16PM -0500, Joshua Brot wrote:
> >> Thanks for the pointers. Based off of what you said, I've created a
> >> patch which implements the features I mentioned. Two things I'm not
> >> sure about: 1) it seems like the control mode client will receive
> >> these notifications for all sessions/windows/panes, as opposed to
> >> notifications for the current session only. Should I revise the patch
> >> to add in filtes for this? 2) For the pane-mode-changed notification,
> >> it looks like I only get the pane-id which means the notification
> >> doesn't report much and I'll probably have to perform a list-panes
> >> query in response to get more information. Neither of these issues
> >> seem very problematic, though, so perhaps its best to just leave the
> >> patch as it is.
> >>
> >> With regards to the client_session_changed callback, what I'd like is
> >> to have a notification for when any client changes sessions (not just
> >> the one running Control Mode). I thought that client_session_changed
> >> was called every time a client changed sessions, but in testing this
> >> appears not to be the case (I'm not even quite sure when it does get
> >> called). Should this be a new control mode notification like the ones
> >> I just implemented, or should this be handled in a different way?
> >>
> >> Thanks,
> >> Joshua
> >>
> >> On 5/2/17, Nicholas Marriott <[email protected]> wrote:
> >> > Hi
> >> >
> >> > What have you got so far?
> >> >
> >> > Control mode should already get updated for client-session-changed, if
> >> > you look at notify.c:notify_callback there is already a check that
> >> > passes it into control_notify_client_session_changed.
> >> >
> >> > For new ones you will need to add a notify_add call somewhere and then
> >> > add a control-notify.c function and a check in notify_callback, for
> >> > active pane it'll probably need a notify_add call in
> >> > window.c:window_set_active_pane.
> >> >
> >> > Mode changes you can do in window_pane_set_mode and
> >> > window_pane_reset_mode.
> >> >
> >> >
> >> > On Tue, May 02, 2017 at 02:27:57AM -0500, Joshua Brot wrote:
> >> >> Hi!
> >> >>
> >> >> I???m currently in the process of writing a Wayland Compositor with
> >> >> the
> >> >> goal of using tmux as a tiling window manager. Basically, the
> >> >> compositor
> >> >> provides an interface similar to the TTY with tmux running. When the
> >> >> user
> >> >> launches a visual application, the compositor will then overlay it on
> >> >> the
> >> >> pane from which it was launched. My current strategy for implementing
> >> >> this
> >> >> is to launch an internal tmux client in control mode to every session
> >> >> on
> >> >> the server in order to track what actions the client is taking and
> >> >> respond
> >> >> accordingly.
> >> >>
> >> >> In its current state, tmux???s control mode looks like it provides
> >> >> almost
> >> >> enough capabilities to make this project work. The biggest thing it is
> >> >> missing are notifications for when the user switches active panes
> >> >> within a
> >> >> window and when the user switches active windows in a session. It
> >> >> would
> >> >> also be nice to have a notification for when the user switches into
> >> >> and
> >> >> out of copy mode, but this isn???t essential. Finally, it would be nice
> >> >> to
> >> >> get notifications on the ???client-session-changed??? hook, but since
> >> >> there is a hook already I can very easily work around this.
> >> >>
> >> >> I have begun to look through tmux???s source in order to implement
> >> >> these
> >> >> features myself, but I haven???t made much progress yet as the project
> >> >> is
> >> >> quite large and I???m not familiar enough with all of the use cases
> >> >> needed
> >> >>  to make these notifications always work. Any advice on how to
> >> >> implement
> >> >> these features would be much appreciated (or if someone is willing to
> >> >> implement the features themself, that would be great too :). Finally,
> >> >> any
> >> >> feedback on my general strategy would be appreciated as I???m not
> >> >> entirely
> >> >> sure if I???m going about this in a reasonable way.
> >> >>
> >> >> Thanks!
> >> >> ???Joshua Brot
> >> >>
> >> >> --
> >> >> You received this message because you are subscribed to the Google
> >> >> Groups
> >> >> "tmux-users" group.
> >> >> To unsubscribe from this group and stop receiving emails from it, send
> >> >> an
> >> >> email to [email protected].
> >> >> To post to this group, send an email to [email protected].
> >> >> For more options, visit https://groups.google.com/d/optout.
> >> >
> >
> >> From c830ea1e227b73888f51961eb7517deac2f93981 Mon Sep 17 00:00:00 2001
> >> From: Joshua Brot <[email protected]>
> >> Date: Tue, 2 May 2017 20:12:16 -0500
> >> Subject: [PATCH] Added several features to command mode.
> >>
> >> Signed-off-by: Joshua Brot <[email protected]>
> >> ---
> >>  control-notify.c | 41 +++++++++++++++++++++++++++++++++++++++++
> >>  notify.c         |  6 ++++++
> >>  session.c        |  1 +
> >>  tmux.1           | 14 ++++++++++++++
> >>  tmux.h           |  3 +++
> >>  window.c         | 13 +++++++++++--
> >>  6 files changed, 76 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/control-notify.c b/control-notify.c
> >> index 230bce61..056e1992 100644
> >> --- a/control-notify.c
> >> +++ b/control-notify.c
> >> @@ -60,6 +60,19 @@ control_notify_input(struct client *c, struct
> >> window_pane *wp,
> >>  }
> >>
> >>  void
> >> +control_notify_pane_mode_changed(int pane)
> >> +{
> >> +  struct client   *c;
> >> +
> >> +  TAILQ_FOREACH(c, &clients, entry) {
> >> +          if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
> >> +                  continue;
> >> +
> >> +          control_write(c, "%%pane-mode-changed %%%u", pane);
> >> +  }
> >> +}
> >> +
> >> +void
> >>  control_notify_window_layout_changed(struct window *w)
> >>  {
> >>    struct client           *c;
> >> @@ -97,6 +110,20 @@ control_notify_window_layout_changed(struct window
> >> *w)
> >>  }
> >>
> >>  void
> >> +control_notify_window_pane_changed(struct window *w)
> >> +{
> >> +  struct client   *c;
> >> +
> >> +  TAILQ_FOREACH(c, &clients, entry) {
> >> +          if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
> >> +                  continue;
> >> +
> >> +          control_write(c, "%%window-pane-changed @%u %%%u",
> >> +                        w->id, w->active->id);
> >> +  }
> >> +}
> >> +
> >> +void
> >>  control_notify_window_unlinked(__unused struct session *s, struct window
> >> *w)
> >>  {
> >>    struct client   *c;
> >> @@ -203,3 +230,17 @@ control_notify_session_closed(__unused struct session
> >> *s)
> >>            control_write(c, "%%sessions-changed");
> >>    }
> >>  }
> >> +
> >> +void
> >> +control_notify_session_window_changed(struct session *s)
> >> +{
> >> +  struct client   *c;
> >> +
> >> +  TAILQ_FOREACH(c, &clients, entry) {
> >> +          if (!CONTROL_SHOULD_NOTIFY_CLIENT(c))
> >> +                  continue;
> >> +
> >> +          control_write(c, "%%session-window-changed $%u @%u",
> >> +                        s->id, s->curw->window->id);
> >> +  }
> >> +}
> >> diff --git a/notify.c b/notify.c
> >> index 0241fa60..31284127 100644
> >> --- a/notify.c
> >> +++ b/notify.c
> >> @@ -78,8 +78,12 @@ notify_callback(struct cmdq_item *item, void *data)
> >>
> >>    log_debug("%s: %s", __func__, ne->name);
> >>
> >> +  if (strcmp(ne->name, "pane-mode-changed") == 0)
> >> +          control_notify_pane_mode_changed(ne->pane);
> >>    if (strcmp(ne->name, "window-layout-changed") == 0)
> >>            control_notify_window_layout_changed(ne->window);
> >> +  if (strcmp(ne->name, "window-pane-changed") == 0)
> >> +          control_notify_window_pane_changed(ne->window);
> >>    if (strcmp(ne->name, "window-unlinked") == 0)
> >>            control_notify_window_unlinked(ne->session, ne->window);
> >>    if (strcmp(ne->name, "window-linked") == 0)
> >> @@ -94,6 +98,8 @@ notify_callback(struct cmdq_item *item, void *data)
> >>            control_notify_session_created(ne->session);
> >>    if (strcmp(ne->name, "session-closed") == 0)
> >>            control_notify_session_closed(ne->session);
> >> +  if (strcmp(ne->name, "session-window-changed") == 0)
> >> +          control_notify_session_window_changed(ne->session);
> >>
> >>    notify_hook(item, ne);
> >>
> >> diff --git a/session.c b/session.c
> >> index b52b0274..b9f30428 100644
> >> --- a/session.c
> >> +++ b/session.c
> >> @@ -552,6 +552,7 @@ session_set_current(struct session *s, struct winlink
> >> *wl)
> >>    s->curw = wl;
> >>    winlink_clear_flags(wl);
> >>    window_update_activity(wl->window);
> >> +  notify_session("session-window-changed", s);
> >>    return (0);
> >>  }
> >>
> >> diff --git a/tmux.1 b/tmux.1
> >> index cb069e5e..12bd3509 100644
> >> --- a/tmux.1
> >> +++ b/tmux.1
> >> @@ -4258,6 +4258,10 @@ and the window flags are
> >>  A window pane produced output.
> >>  .Ar value
> >>  escapes non-printable characters and backslash as octal \\xxx.
> >> +.It Ic %pane-mode-changed Ar pane-id
> >> +The pane with ID
> >> +.Ar pane-id
> >> +has changed mode.
> >>  .It Ic %session-changed Ar session-id Ar name
> >>  The client is now attached to the session with ID
> >>  .Ar session-id ,
> >> @@ -4266,6 +4270,11 @@ which is named
> >>  .It Ic %session-renamed Ar name
> >>  The current session was renamed to
> >>  .Ar name .
> >> +.It Ic %session-window-changed Ar session-id Ar window-id
> >> +The session with ID
> >> +.Ar session-id
> >> +changed its active window to the window with ID
> >> +.Ar window-id .
> >>  .It Ic %sessions-changed
> >>  A session was created or destroyed.
> >>  .It Ic %unlinked-window-add Ar window-id
> >> @@ -4280,6 +4289,11 @@ was linked to the current session.
> >>  The window with ID
> >>  .Ar window-id
> >>  closed.
> >> +.It Ic %window-pane-changed Ar window-id Ar pane-id
> >> +The active pane in the window with ID
> >> +.Ar window-id
> >> +changed to the pane with ID
> >> +.Ar pane-id .
> >>  .It Ic %window-renamed Ar window-id Ar name
> >>  The window with ID
> >>  .Ar window-id
> >> diff --git a/tmux.h b/tmux.h
> >> index 417145f1..1139d6ba 100644
> >> --- a/tmux.h
> >> +++ b/tmux.h
> >> @@ -2211,7 +2211,9 @@ void control_write_buffer(struct client *, struct
> >> evbuffer *);
> >>  /* control-notify.c */
> >>  void      control_notify_input(struct client *, struct window_pane *,
> >>        struct evbuffer *);
> >> +void      control_notify_pane_mode_changed(int pane);
> >>  void      control_notify_window_layout_changed(struct window *);
> >> +void      control_notify_window_pane_changed(struct window *);
> >>  void      control_notify_window_unlinked(struct session *, struct window 
> >> *);
> >>  void      control_notify_window_linked(struct session *, struct window *);
> >>  void      control_notify_window_renamed(struct window *);
> >> @@ -2219,6 +2221,7 @@ void control_notify_client_session_changed(struct
> >> client *);
> >>  void      control_notify_session_renamed(struct session *);
> >>  void      control_notify_session_created(struct session *);
> >>  void      control_notify_session_closed(struct session *);
> >> +void      control_notify_session_window_changed(struct session *s);
> >>
> >>  /* session.c */
> >>  extern struct sessions sessions;
> >> diff --git a/window.c b/window.c
> >> index ed73050e..92742685 100644
> >> --- a/window.c
> >> +++ b/window.c
> >> @@ -355,6 +355,8 @@ window_create_spawn(const char *name, int argc, char
> >> **argv, const char *path,
> >>    } else
> >>            w->name = default_window_name(w);
> >>
> >> +  notify_window("window-pane-changed", w);
> >> +
> >>    return (w);
> >>  }
> >>
> >> @@ -441,11 +443,14 @@ window_set_active_pane(struct window *w, struct
> >> window_pane *wp)
> >>            w->active = TAILQ_PREV(w->active, window_panes, entry);
> >>            if (w->active == NULL)
> >>                    w->active = TAILQ_LAST(&w->panes, window_panes);
> >> -          if (w->active == wp)
> >> +          if (w->active == wp) {
> >> +                  notify_window("window-pane-changed", w);
> >>                    return (1);
> >> +          }
> >>    }
> >>    w->active->active_point = next_active_point++;
> >>    w->active->flags |= PANE_CHANGED;
> >> +  notify_window("window-pane-changed", w);
> >>    return (1);
> >>  }
> >>
> >> @@ -621,8 +626,10 @@ window_lost_pane(struct window *w, struct window_pane
> >> *wp)
> >>                    if (w->active == NULL)
> >>                            w->active = TAILQ_NEXT(wp, entry);
> >>            }
> >> -          if (w->active != NULL)
> >> +          if (w->active != NULL) {
> >>                    w->active->flags |= PANE_CHANGED;
> >> +                  notify_window("window-pane-changed", w);
> >> +          }
> >>    } else if (wp == w->last)
> >>            w->last = NULL;
> >>  }
> >> @@ -1196,6 +1203,7 @@ window_pane_set_mode(struct window_pane *wp, const
> >> struct window_mode *mode)
> >>    wp->flags |= (PANE_REDRAW|PANE_CHANGED);
> >>
> >>    server_status_window(wp->window);
> >> +  notify_pane("pane-mode-changed", wp);
> >>    return (0);
> >>  }
> >>
> >> @@ -1215,6 +1223,7 @@ window_pane_reset_mode(struct window_pane *wp)
> >>    wp->flags |= (PANE_REDRAW|PANE_CHANGED);
> >>
> >>    server_status_window(wp->window);
> >> +  notify_pane("pane-mode-changed", wp);
> >>  }
> >>
> >>  void
> >> --
> >> 2.12.2
> >>
> >
> >

> From 4584ea34afd15a75d2480173d2bdceab1bc2df0a Mon Sep 17 00:00:00 2001
> From: Joshua Brot <[email protected]>
> Date: Wed, 3 May 2017 01:03:56 -0500
> Subject: [PATCH] Added missing call to client-session-change and expanded
>  Control Mode notification.
> 
> Signed-off-by: Joshua Brot <[email protected]>
> ---
>  cmd-switch-client.c |  1 +
>  control-notify.c    | 19 +++++++++++++++----
>  tmux.1              |  7 +++++++
>  3 files changed, 23 insertions(+), 4 deletions(-)
> 
> diff --git a/cmd-switch-client.c b/cmd-switch-client.c
> index 2bc1e10c..a24f0276 100644
> --- a/cmd-switch-client.c
> +++ b/cmd-switch-client.c
> @@ -129,6 +129,7 @@ cmd_switch_client_exec(struct cmd *self, struct cmdq_item 
> *item)
>       if (~item->shared->flags & CMDQ_SHARED_REPEAT)
>               server_client_set_key_table(c, NULL);
>       status_timer_start(c);
> +     notify_client("client-session-changed", c);
>       session_update_activity(s, NULL);
>       gettimeofday(&s->last_attached_time, NULL);
>  
> diff --git a/control-notify.c b/control-notify.c
> index 056e1992..af431892 100644
> --- a/control-notify.c
> +++ b/control-notify.c
> @@ -181,15 +181,26 @@ control_notify_window_renamed(struct window *w)
>  }
>  
>  void
> -control_notify_client_session_changed(struct client *c)
> +control_notify_client_session_changed(struct client *cc)
>  {
> +     struct client *c;
>       struct session  *s;
>  
> -     if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
> +     if (cc->session == NULL)
>               return;
> -     s = c->session;
> +     s = cc->session;
>  
> -     control_write(c, "%%session-changed $%u %s", s->id, s->name);
> +     TAILQ_FOREACH(c, &clients, entry) {
> +             if (!CONTROL_SHOULD_NOTIFY_CLIENT(c) || c->session == NULL)
> +                     continue;
> +
> +             if (cc == c) {
> +                     control_write(c, "%%session-changed $%u %s", s->id, 
> s->name);
> +             } else {
> +                     control_write(c, "%%client-session-changed %u $%u %s",
> +                                   cc->pid, s->id, s->name);
> +             }
> +     }
>  }
>  
>  void
> diff --git a/tmux.1 b/tmux.1
> index 12bd3509..9b8215e5 100644
> --- a/tmux.1
> +++ b/tmux.1
> @@ -4236,6 +4236,13 @@ A notification will never occur inside an output block.
>  .Pp
>  The following notifications are defined:
>  .Bl -tag -width Ds
> +.It Ic %client-session-changed Ar client-pid Ar session-id Ar name
> +The client with pid
> +.Ar client-pid
> +is now attached to the session with ID
> +.Ar session-id ,
> +which is named
> +.Ar name .
>  .It Ic %exit Op Ar reason
>  The
>  .Nm
> -- 
> 2.12.2
> 

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