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Add support for focus notifications when tmux pane changes, based on work by

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Aaron Jensen.
This commit is contained in:
Nicholas Marriott
2013-02-22 07:23:11 +00:00
parent 8c50f625b0
commit 4c9f9438ff
4 changed files with 58 additions and 3 deletions
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48
server-client.c
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@ -27,6 +27,7 @@
#include "tmux.h"
void server_client_check_focus(struct window_pane *);
void server_client_check_mouse(struct client *, struct window_pane *);
void server_client_repeat_timer(int, short, void *);
void server_client_check_exit(struct client *);
@ -494,7 +495,7 @@ server_client_loop(void)
/*
* Any windows will have been redrawn as part of clients, so clear
* their flags now.
* their flags now. Also check and update pane focus.
*/
for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
w = ARRAY_ITEM(&windows, i);
@ -502,11 +503,54 @@ server_client_loop(void)
continue;
w->flags &= ~WINDOW_REDRAW;
TAILQ_FOREACH(wp, &w->panes, entry)
TAILQ_FOREACH(wp, &w->panes, entry) {
server_client_check_focus(wp);
wp->flags &= ~PANE_REDRAW;
}
}
}
/* Check whether pane should be focused. */
void
server_client_check_focus(struct window_pane *wp)
{
struct session *s;
/* If we don't care about focus, forget it. */
if (!(wp->base.mode & MODE_FOCUSON))
return;
/* If we're not the active pane in our window, we're not focused. */
if (wp->window->active != wp)
goto not_focused;
/* If we're in a mode, we're not focused. */
if (wp->screen != &wp->base)
goto not_focused;
/*
* If our window is the current window in any attached sessions, we're
* focused.
*/
RB_FOREACH(s, sessions, &sessions) {
if (s->flags & SESSION_UNATTACHED)
continue;
if (s->curw->window == wp->window)
goto focused;
}
not_focused:
if (wp->flags & PANE_FOCUSED)
bufferevent_write(wp->event, "\033[O", 3);
wp->flags &= ~PANE_FOCUSED;
return;
focused:
if (!(wp->flags & PANE_FOCUSED))
bufferevent_write(wp->event, "\033[I", 3);
wp->flags |= PANE_FOCUSED;
}
/*
* Update cursor position and mode settings. The scroll region and attributes
* are cleared when idle (waiting for an event) as this is the most likely time