tmux/cmd-display-panes.c

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/* $OpenBSD$ */
/*
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <stdlib.h>
#include <string.h>
#include "tmux.h"
/*
* Display panes on a client.
*/
static enum cmd_retval cmd_display_panes_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_display_panes_entry = {
.name = "display-panes",
.alias = "displayp",
.args = { "bd:t:", 0, 1 },
.usage = "[-b] [-d duration] " CMD_TARGET_CLIENT_USAGE " [template]",
.flags = CMD_AFTERHOOK,
.exec = cmd_display_panes_exec
};
struct cmd_display_panes_data {
struct cmdq_item *item;
char *command;
};
static void
cmd_display_panes_draw_pane(struct screen_redraw_ctx *ctx,
struct window_pane *wp)
{
struct client *c = ctx->c;
struct tty *tty = &c->tty;
struct session *s = c->session;
struct options *oo = s->options;
struct window *w = wp->window;
struct grid_cell gc;
u_int idx, px, py, i, j, xoff, yoff, sx, sy;
int colour, active_colour;
char buf[16], *ptr;
size_t len;
if (wp->xoff + wp->sx <= ctx->ox ||
wp->xoff >= ctx->ox + ctx->sx ||
wp->yoff + wp->sy <= ctx->oy ||
wp->yoff >= ctx->oy + ctx->sy)
return;
if (wp->xoff >= ctx->ox && wp->xoff + wp->sx <= ctx->ox + ctx->sx) {
/* All visible. */
xoff = wp->xoff - ctx->ox;
sx = wp->sx;
} else if (wp->xoff < ctx->ox &&
wp->xoff + wp->sx > ctx->ox + ctx->sx) {
/* Both left and right not visible. */
xoff = 0;
sx = ctx->sx;
} else if (wp->xoff < ctx->ox) {
/* Left not visible. */
xoff = 0;
sx = wp->sx - (ctx->ox - wp->xoff);
} else {
/* Right not visible. */
xoff = wp->xoff - ctx->ox;
sx = wp->sx - xoff;
}
if (wp->yoff >= ctx->oy && wp->yoff + wp->sy <= ctx->oy + ctx->sy) {
/* All visible. */
yoff = wp->yoff - ctx->oy;
sy = wp->sy;
} else if (wp->yoff < ctx->oy &&
wp->yoff + wp->sy > ctx->oy + ctx->sy) {
/* Both top and bottom not visible. */
yoff = 0;
sy = ctx->sy;
} else if (wp->yoff < ctx->oy) {
/* Top not visible. */
yoff = 0;
sy = wp->sy - (ctx->oy - wp->yoff);
} else {
/* Bottom not visible. */
yoff = wp->yoff - ctx->oy;
sy = wp->sy - yoff;
}
if (ctx->statustop)
yoff += ctx->statuslines;
px = sx / 2;
py = sy / 2;
if (window_pane_index(wp, &idx) != 0)
fatalx("index not found");
len = xsnprintf(buf, sizeof buf, "%u", idx);
if (sx < len)
return;
colour = options_get_number(oo, "display-panes-colour");
active_colour = options_get_number(oo, "display-panes-active-colour");
if (sx < len * 6 || sy < 5) {
tty_cursor(tty, xoff + px - len / 2, yoff + py);
goto draw_text;
}
px -= len * 3;
py -= 2;
memcpy(&gc, &grid_default_cell, sizeof gc);
if (w->active == wp)
gc.bg = active_colour;
else
gc.bg = colour;
gc.flags |= GRID_FLAG_NOPALETTE;
tty_attributes(tty, &gc, wp);
for (ptr = buf; *ptr != '\0'; ptr++) {
if (*ptr < '0' || *ptr > '9')
continue;
idx = *ptr - '0';
for (j = 0; j < 5; j++) {
for (i = px; i < px + 5; i++) {
tty_cursor(tty, xoff + i, yoff + py + j);
if (window_clock_table[idx][j][i - px])
tty_putc(tty, ' ');
}
}
px += 6;
}
len = xsnprintf(buf, sizeof buf, "%ux%u", wp->sx, wp->sy);
if (sx < len || sy < 6)
return;
tty_cursor(tty, xoff + sx - len, yoff);
draw_text:
memcpy(&gc, &grid_default_cell, sizeof gc);
if (w->active == wp)
gc.fg = active_colour;
else
gc.fg = colour;
gc.flags |= GRID_FLAG_NOPALETTE;
tty_attributes(tty, &gc, wp);
tty_puts(tty, buf);
tty_cursor(tty, 0, 0);
}
static void
cmd_display_panes_draw(struct client *c, struct screen_redraw_ctx *ctx)
{
struct window *w = c->session->curw->window;
struct window_pane *wp;
log_debug("%s: %s @%u", __func__, c->name, w->id);
TAILQ_FOREACH(wp, &w->panes, entry) {
if (window_pane_visible(wp))
cmd_display_panes_draw_pane(ctx, wp);
}
}
static void
cmd_display_panes_free(struct client *c)
{
struct cmd_display_panes_data *cdata = c->overlay_data;
if (cdata->item != NULL)
cmdq_continue(cdata->item);
free(cdata->command);
free(cdata);
}
static int
cmd_display_panes_key(struct client *c, struct key_event *event)
{
struct cmd_display_panes_data *cdata = c->overlay_data;
struct cmdq_item *new_item;
char *cmd, *expanded;
struct window *w = c->session->curw->window;
struct window_pane *wp;
struct cmd_parse_result *pr;
if (event->key < '0' || event->key > '9')
return (-1);
wp = window_pane_at_index(w, event->key - '0');
if (wp == NULL)
return (1);
window_unzoom(w);
xasprintf(&expanded, "%%%u", wp->id);
cmd = cmd_template_replace(cdata->command, expanded, 1);
pr = cmd_parse_from_string(cmd, NULL);
switch (pr->status) {
case CMD_PARSE_EMPTY:
new_item = NULL;
break;
case CMD_PARSE_ERROR:
new_item = cmdq_get_error(pr->error);
free(pr->error);
cmdq_append(c, new_item);
break;
case CMD_PARSE_SUCCESS:
new_item = cmdq_get_command(pr->cmdlist, NULL, NULL, 0);
cmd_list_free(pr->cmdlist);
cmdq_append(c, new_item);
break;
}
free(cmd);
free(expanded);
return (1);
}
static enum cmd_retval
cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct client *c;
struct session *s;
u_int delay;
char *cause;
struct cmd_display_panes_data *cdata;
if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
return (CMD_RETURN_ERROR);
s = c->session;
if (c->overlay_draw != NULL)
return (CMD_RETURN_NORMAL);
if (args_has(args, 'd')) {
delay = args_strtonum(args, 'd', 0, UINT_MAX, &cause);
if (cause != NULL) {
cmdq_error(item, "delay %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
} else
delay = options_get_number(s->options, "display-panes-time");
cdata = xmalloc(sizeof *cdata);
if (args->argc != 0)
cdata->command = xstrdup(args->argv[0]);
else
cdata->command = xstrdup("select-pane -t '%%'");
if (args_has(args, 'b'))
cdata->item = NULL;
else
cdata->item = item;
server_client_set_overlay(c, delay, NULL, NULL, cmd_display_panes_draw,
cmd_display_panes_key, cmd_display_panes_free, cdata);
if (args_has(args, 'b'))
return (CMD_RETURN_NORMAL);
return (CMD_RETURN_WAIT);
}