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-rw-r--r--cmd-display-panes.c312
1 files changed, 312 insertions, 0 deletions
diff --git a/cmd-display-panes.c b/cmd-display-panes.c
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+++ b/cmd-display-panes.c
@@ -0,0 +1,312 @@
+/* $OpenBSD$ */
+
+/*
+ * 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 args_parse_type cmd_display_panes_args_parse(struct args *,
+ u_int, char **);
+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:Nt:", 0, 1, cmd_display_panes_args_parse },
+ .usage = "[-bN] [-d duration] " CMD_TARGET_CLIENT_USAGE " [template]",
+
+ .flags = CMD_AFTERHOOK|CMD_CLIENT_TFLAG,
+ .exec = cmd_display_panes_exec
+};
+
+struct cmd_display_panes_data {
+ struct cmdq_item *item;
+ struct args_command_state *state;
+};
+
+static enum args_parse_type
+cmd_display_panes_args_parse(__unused struct args *args, __unused u_int idx,
+ __unused char **cause)
+{
+ return (ARGS_PARSE_COMMANDS_OR_STRING);
+}
+
+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 fgc, bgc;
+ u_int pane, idx, px, py, i, j, xoff, yoff, sx, sy;
+ int colour, active_colour;
+ char buf[16], lbuf[16], rbuf[16], *ptr;
+ size_t len, llen, rlen;
+
+ 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, &pane) != 0)
+ fatalx("index not found");
+ len = xsnprintf(buf, sizeof buf, "%u", pane);
+
+ if (sx < len)
+ return;
+ colour = options_get_number(oo, "display-panes-colour");
+ active_colour = options_get_number(oo, "display-panes-active-colour");
+
+ memcpy(&fgc, &grid_default_cell, sizeof fgc);
+ memcpy(&bgc, &grid_default_cell, sizeof bgc);
+ if (w->active == wp) {
+ fgc.fg = active_colour;
+ bgc.bg = active_colour;
+ } else {
+ fgc.fg = colour;
+ bgc.bg = colour;
+ }
+
+ rlen = xsnprintf(rbuf, sizeof rbuf, "%ux%u", wp->sx, wp->sy);
+ if (pane > 9 && pane < 35)
+ llen = xsnprintf(lbuf, sizeof lbuf, "%c", 'a' + (pane - 10));
+ else
+ llen = 0;
+
+ if (sx < len * 6 || sy < 5) {
+ tty_attributes(tty, &fgc, &grid_default_cell, NULL);
+ if (sx >= len + llen + 1) {
+ len += llen + 1;
+ tty_cursor(tty, xoff + px - len / 2, yoff + py);
+ tty_putn(tty, buf, len, len);
+ tty_putn(tty, " ", 1, 1);
+ tty_putn(tty, lbuf, llen, llen);
+ } else {
+ tty_cursor(tty, xoff + px - len / 2, yoff + py);
+ tty_putn(tty, buf, len, len);
+ }
+ goto out;
+ }
+
+ px -= len * 3;
+ py -= 2;
+
+ tty_attributes(tty, &bgc, &grid_default_cell, NULL);
+ 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;
+ }
+
+ if (sy <= 6)
+ goto out;
+ tty_attributes(tty, &fgc, &grid_default_cell, NULL);
+ if (rlen != 0 && sx >= rlen) {
+ tty_cursor(tty, xoff + sx - rlen, yoff);
+ tty_putn(tty, rbuf, rlen, rlen);
+ }
+ if (llen != 0) {
+ tty_cursor(tty, xoff + sx / 2 + len * 3 - llen - 1,
+ yoff + py + 5);
+ tty_putn(tty, lbuf, llen, llen);
+ }
+
+out:
+ tty_cursor(tty, 0, 0);
+}
+
+static void
+cmd_display_panes_draw(struct client *c, __unused void *data,
+ 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(__unused struct client *c, void *data)
+{
+ struct cmd_display_panes_data *cdata = data;
+
+ if (cdata->item != NULL)
+ cmdq_continue(cdata->item);
+ args_make_commands_free(cdata->state);
+ free(cdata);
+}
+
+static int
+cmd_display_panes_key(struct client *c, void *data, struct key_event *event)
+{
+ struct cmd_display_panes_data *cdata = data;
+ char *expanded, *error;
+ struct cmdq_item *item = cdata->item, *new_item;
+ struct cmd_list *cmdlist;
+ struct window *w = c->session->curw->window;
+ struct window_pane *wp;
+ u_int index;
+ key_code key;
+
+ if (event->key >= '0' && event->key <= '9')
+ index = event->key - '0';
+ else if ((event->key & KEYC_MASK_MODIFIERS) == 0) {
+ key = (event->key & KEYC_MASK_KEY);
+ if (key >= 'a' && key <= 'z')
+ index = 10 + (key - 'a');
+ else
+ return (-1);
+ } else
+ return (-1);
+
+ wp = window_pane_at_index(w, index);
+ if (wp == NULL)
+ return (1);
+ window_unzoom(w);
+
+ xasprintf(&expanded, "%%%u", wp->id);
+
+ cmdlist = args_make_commands(cdata->state, 1, &expanded, &error);
+ if (cmdlist == NULL) {
+ cmdq_append(c, cmdq_get_error(error));
+ free(error);
+ } else if (item == NULL) {
+ new_item = cmdq_get_command(cmdlist, NULL);
+ cmdq_append(c, new_item);
+ } else {
+ new_item = cmdq_get_command(cmdlist, cmdq_get_state(item));
+ cmdq_insert_after(item, new_item);
+ }
+
+ free(expanded);
+ return (1);
+}
+
+static enum cmd_retval
+cmd_display_panes_exec(struct cmd *self, struct cmdq_item *item)
+{
+ struct args *args = cmd_get_args(self);
+ struct client *tc = cmdq_get_target_client(item);
+ struct session *s = tc->session;
+ u_int delay;
+ char *cause;
+ struct cmd_display_panes_data *cdata;
+ int wait = !args_has(args, 'b');
+
+ if (tc->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 = xcalloc(1, sizeof *cdata);
+ if (wait)
+ cdata->item = item;
+ cdata->state = args_make_commands_prepare(self, item, 0,
+ "select-pane -t \"%%%\"", wait, 0);
+
+ if (args_has(args, 'N')) {
+ server_client_set_overlay(tc, delay, NULL, NULL,
+ cmd_display_panes_draw, NULL, cmd_display_panes_free, NULL,
+ cdata);
+ } else {
+ server_client_set_overlay(tc, delay, NULL, NULL,
+ cmd_display_panes_draw, cmd_display_panes_key,
+ cmd_display_panes_free, NULL, cdata);
+ }
+
+ if (!wait)
+ return (CMD_RETURN_NORMAL);
+ return (CMD_RETURN_WAIT);
+}