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Handle focus events from the terminal, from Aaron Jensen.

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This commit is contained in:
Nicholas Marriott
2013-03-24 09:28:59 +00:00
parent bb8457b166
commit a60687f9ba
4 changed files with 111 additions and 5 deletions
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90
server-client.c
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@@ -17,6 +17,7 @@
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <event.h>
#include <fcntl.h>
@@ -28,6 +29,8 @@
#include "tmux.h"
void server_client_check_focus(struct window_pane *);
void server_client_check_resize(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 *);
@@ -94,6 +97,8 @@ server_client_create(int fd)
c->tty.mouse.event = MOUSE_EVENT_UP;
c->tty.mouse.flags = 0;
c->flags |= CLIENT_FOCUSED;
evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
@@ -495,7 +500,7 @@ server_client_loop(void)
/*
* Any windows will have been redrawn as part of clients, so clear
* their flags now.
* their flags now. Also check pane focus and resize.
*/
for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
w = ARRAY_ITEM(&windows, i);
@@ -503,11 +508,92 @@ 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);
server_client_check_resize(wp);
wp->flags &= ~PANE_REDRAW;
}
}
}
/* Check if pane should be resized. */
void
server_client_check_resize(struct window_pane *wp)
{
struct winsize ws;
if (wp->fd == -1 || !(wp->flags & PANE_RESIZE))
return;
memset(&ws, 0, sizeof ws);
ws.ws_col = wp->sx;
ws.ws_row = wp->sy;
if (ioctl(wp->fd, TIOCSWINSZ, &ws) == -1) {
#ifdef __sun
/*
* Some versions of Solaris apparently can return an error when
* resizing; don't know why this happens, can't reproduce on
* other platforms and ignoring it doesn't seem to cause any
* issues.
*/
if (errno != EINVAL)
#endif
fatal("ioctl failed");
}
wp->flags &= ~PANE_RESIZE;
}
/* Check whether pane should be focused. */
void
server_client_check_focus(struct window_pane *wp)
{
u_int i;
struct client *c;
/* 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 focused clients with an
* attached session, we're focused.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (!(c->flags & CLIENT_FOCUSED))
continue;
if (c->session->flags & SESSION_UNATTACHED)
continue;
if (c->session->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