Clock mode.

CHANGES

@@ -1,5 +1,8 @@
 10 January 2009
 
+* New mode to display a large clock. Entered with clock-mode command (bound to
+  C-b t by default); two window options: clock-mode-colour and clock-mode-style
+  (12 or 24). This will probably be used as the basis for window locking.
 * New command, server-info, to show some server information and terminal
   details.
 
@@ -838,7 +841,7 @@
   (including mutt, emacs). No status bar yet and no key remapping or other
   customisation.
 
-$Id: CHANGES,v 1.187 2009-01-10 01:51:21 nicm Exp $
+$Id: CHANGES,v 1.188 2009-01-10 19:35:39 nicm Exp $
 
  LocalWords:  showw utf UTF fulvio ciriaco joshe OSC APC gettime abc DEF OA clr
  LocalWords:  rivo nurges lscm Erdely eol smysession mysession ek dstname RB

Makefile

@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.84 2009-01-10 15:21:31 nicm Exp $
+# $Id: Makefile,v 1.85 2009-01-10 19:35:39 nicm Exp $
 
 .SUFFIXES: .c .o .y .h
 .PHONY: clean update-index.html upload-index.html
@@ -36,8 +36,10 @@ SRCS= tmux.c server.c server-msg.c server-fn.c buffer.c buffer-poll.c status.c \
       cmd-show-buffer.c cmd-list-buffers.c cmd-delete-buffer.c \
       cmd-list-commands.c cmd-move-window.c cmd-select-prompt.c \
       cmd-respawn-window.c cmd-source-file.c cmd-server-info.c \
-      window-scroll.c window-more.c window-copy.c options.c paste.c \
-      tty.c tty-term.c tty-keys.c tty-write.c colour.c utf8.c options-cmd.c
+      cmd-clock-mode.c \
+      window-clock.c window-scroll.c window-more.c window-copy.c \
+      options.c options-cmd.c paste.c colour.c utf8.c \
+      tty.c tty-term.c tty-keys.c tty-write.c
 
 CC?= cc
 INCDIRS+= -I. -I- -I/usr/local/include

TODO

@@ -62,7 +62,9 @@
 - document xterm-keys
 - document server-info
 - document window options changes
-- a window mode to show a clock
+- document clock-mode
+- automatic lock/screensaver after $time inactivity (switch all windows into
+  clock mode/blank)
 - a key binding to display the status line when it is turned off
 - FAQ "Can I have some examples of cool things I can do with tmux?" -- linkw
 - clone session command

cmd-clock-mode.c

@@ -0,0 +1,55 @@
+/* $Id: cmd-clock-mode.c,v 1.1 2009-01-10 19:35:39 nicm Exp $ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * 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 "tmux.h"
+
+/*
+ * Enter clock mode.
+ */
+
+void	cmd_clock_mode_exec(struct cmd *, struct cmd_ctx *);
+
+const struct cmd_entry cmd_clock_mode_entry = {
+	"clock-mode", NULL,
+	CMD_TARGET_WINDOW_USAGE,
+	0,
+	cmd_target_init,
+	cmd_target_parse,
+	cmd_clock_mode_exec,
+       	cmd_target_send,
+	cmd_target_recv,
+	cmd_target_free,
+	cmd_target_print
+};
+
+void
+cmd_clock_mode_exec(struct cmd *self, struct cmd_ctx *ctx)
+{
+	struct cmd_target_data	*data = self->data;
+	struct winlink		*wl;
+
+	if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
+		return;
+
+	window_set_mode(wl->window, &window_clock_mode);
+
+	if (ctx->cmdclient != NULL)
+		server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
+}

cmd-set-window-option.c

@@ -1,4 +1,4 @@
-/* $Id: cmd-set-window-option.c,v 1.18 2009-01-10 01:51:21 nicm Exp $ */
+/* $Id: cmd-set-window-option.c,v 1.19 2009-01-10 19:35:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -50,8 +50,14 @@ const struct cmd_entry cmd_set_window_option_entry = {
 const char *set_option_mode_keys_list[] = {
 	"emacs", "vi", NULL
 };
+const char *set_option_clock_mode_style_list[] = {
+	"12", "24", NULL
+};
 const struct set_option_entry set_window_option_table[NSETWINDOWOPTION] = {
 	{ "aggressive-resize", SET_OPTION_FLAG, 0, 0, NULL },
+	{ "clock-mode-colour", SET_OPTION_COLOUR, 0, 0, NULL },
+	{ "clock-mode-style",
+	  SET_OPTION_CHOICE, 0, 0, set_option_clock_mode_style_list },
 	{ "force-height", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 	{ "force-width", SET_OPTION_NUMBER, 0, INT_MAX, NULL },
 	{ "mode-bg", SET_OPTION_COLOUR, 0, 0, NULL },

cmd.c

@@ -1,4 +1,4 @@
-/* $Id: cmd.c,v 1.70 2009-01-10 01:51:21 nicm Exp $ */
+/* $Id: cmd.c,v 1.71 2009-01-10 19:35:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -28,6 +28,7 @@
 const struct cmd_entry *cmd_table[] = {
 	&cmd_attach_session_entry,
 	&cmd_bind_key_entry,
+	&cmd_clock_mode_entry,
 	&cmd_command_prompt_entry,
 	&cmd_copy_mode_entry,
 	&cmd_delete_buffer_entry,

key-bindings.c

@@ -1,4 +1,4 @@
-/* $Id: key-bindings.c,v 1.41 2009-01-07 22:52:33 nicm Exp $ */
+/* $Id: key-bindings.c,v 1.42 2009-01-10 19:35:39 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -102,6 +102,7 @@ key_bindings_init(void)
 		{ 'p', &cmd_previous_window_entry },
 		{ 'r', &cmd_refresh_client_entry },
 		{ 's', &cmd_list_sessions_entry },
+		{ 't', &cmd_clock_mode_entry },
 		{ 'w', &cmd_list_windows_entry },
 		{ '\'', &cmd_select_prompt_entry },
 		{ META, &cmd_send_prefix_entry },

server.c

@@ -1,4 +1,4 @@
-/* $Id: server.c,v 1.91 2009-01-10 01:51:22 nicm Exp $ */
+/* $Id: server.c,v 1.92 2009-01-10 19:35:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -54,6 +54,7 @@ void		 server_lost_client(struct client *);
 void	 	 server_lost_window(struct window *);
 void		 server_check_redraw(struct client *);
 void		 server_check_timers(struct client *);
+void		 server_second_timers(void);
 int		 server_update_socket(const char *);
 
 /* Fork new server. */
@@ -168,9 +169,12 @@ server_main(const char *srv_path, int srv_fd)
 	struct pollfd	*pfds, *pfd;
 	int		 nfds, xtimeout;
 	u_int		 i, n;
+	time_t		 now, last;
 
 	siginit();
 
+	last = time(NULL);
+
 	pfds = NULL;
 	while (!sigterm) {
 		/* Initialise pollfd array. */
@@ -211,6 +215,13 @@ server_main(const char *srv_path, int srv_fd)
 		}
 		pfd++;
 
+		/* Call seconds-based timers. */
+		now = time(NULL);
+		if (now != last) {
+			last = now;
+			server_second_timers();
+		}
+
 		/*
 		 * Handle window and client sockets. Clients can create
 		 * windows, so windows must come first to avoid messing up by
@@ -688,6 +699,21 @@ server_lost_window(struct window *w)
 	recalculate_sizes();
 }
 
+/* Call any once-per-second timers. */
+void
+server_second_timers(void)
+{
+	struct window	*w;
+	u_int		 i;
+
+	for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
+		w = ARRAY_ITEM(&windows, i);
+		if (w->mode != NULL && w->mode->timer != NULL)
+			w->mode->timer(w);
+	}
+}
+
+/* Update socket execute permissions based on whether sessions are attached. */
 int
 server_update_socket(const char *path)
 {

tmux.c

@@ -1,4 +1,4 @@
-/* $Id: tmux.c,v 1.89 2009-01-10 14:43:43 nicm Exp $ */
+/* $Id: tmux.c,v 1.90 2009-01-10 19:35:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -248,6 +248,8 @@ main(int argc, char **argv)
 	options_set_number(&global_window_options, "mode-keys", MODEKEY_EMACS);
 	options_set_number(&global_window_options, "force-width", 0);
 	options_set_number(&global_window_options, "force-height", 0);
+	options_set_number(&global_window_options, "clock-mode-colour", 4);
+	options_set_number(&global_window_options, "clock-mode-style", 1);
 
 	if (cfg_file == NULL) {
 		home = getenv("HOME");
@@ -302,6 +304,7 @@ main(int argc, char **argv)
 	options_set_string(
 	    &global_options, "default-command", "exec %s", shell);
 	
+
 	if (argc == 0) {
 		cmd = xmalloc(sizeof *cmd);
   		cmd->entry = &cmd_new_session_entry;

tmux.h

@@ -1,4 +1,4 @@
-/* $Id: tmux.h,v 1.217 2009-01-10 18:37:08 nicm Exp $ */
+/* $Id: tmux.h,v 1.218 2009-01-10 19:35:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -584,6 +584,7 @@ struct window_mode {
 	void	(*free)(struct window *);
 	void	(*resize)(struct window *, u_int, u_int);
 	void	(*key)(struct window *, struct client *, int);
+	void	(*timer)(struct window *);
 };
 
 /* Window structure. */
@@ -866,7 +867,7 @@ struct set_option_entry {
 extern const struct set_option_entry set_option_table[];
 extern const struct set_option_entry set_window_option_table[];
 #define NSETOPTION 17
-#define NSETWINDOWOPTION 10
+#define NSETWINDOWOPTION 12
 
 /* Edit keys. */
 enum mode_key {
@@ -1043,6 +1044,7 @@ struct winlink	*cmd_find_window(
 extern const struct cmd_entry *cmd_table[];
 extern const struct cmd_entry cmd_attach_session_entry;
 extern const struct cmd_entry cmd_bind_key_entry;
+extern const struct cmd_entry cmd_clock_mode_entry;
 extern const struct cmd_entry cmd_command_prompt_entry;
 extern const struct cmd_entry cmd_copy_mode_entry;
 extern const struct cmd_entry cmd_delete_buffer_entry;
@@ -1350,6 +1352,9 @@ void		 window_reset_mode(struct window *);
 void		 window_parse(struct window *);
 void		 window_key(struct window *, struct client *, int);
 
+/* window-clock.c */
+extern const struct window_mode window_clock_mode;
+
 /* window-copy.c */
 extern const struct window_mode window_copy_mode;
 

window-clock.c

@@ -0,0 +1,235 @@
+/* $Id: window-clock.c,v 1.1 2009-01-10 19:35:40 nicm Exp $ */
+
+/*
+ * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
+ *
+ * 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 <string.h>
+
+#include "tmux.h"
+
+struct screen *window_clock_init(struct window *);
+void	window_clock_free(struct window *);
+void	window_clock_resize(struct window *, u_int, u_int);
+void	window_clock_key(struct window *, struct client *, int);
+void	window_clock_timer(struct window *);
+
+void	window_clock_draw_screen(struct window *);
+
+const struct window_mode window_clock_mode = {
+	window_clock_init,
+	window_clock_free,
+	window_clock_resize,
+	window_clock_key,
+	window_clock_timer
+};
+
+struct window_clock_mode_data {
+	struct screen	        screen;
+};
+
+struct screen *
+window_clock_init(struct window *w)
+{
+	struct window_clock_mode_data	*data;
+	struct screen			*s;
+
+	w->modedata = data = xmalloc(sizeof *data);
+
+	s = &data->screen;
+	screen_init(s, screen_size_x(&w->base), screen_size_y(&w->base), 0);
+	s->mode &= ~MODE_CURSOR;
+
+	window_clock_draw_screen(w);
+
+	return (s);
+}
+
+void
+window_clock_free(struct window *w)
+{
+	struct window_clock_mode_data	*data = w->modedata;
+
+	screen_free(&data->screen);
+	xfree(data);
+}
+
+void
+window_clock_resize(struct window *w, u_int sx, u_int sy)
+{
+	struct window_clock_mode_data	*data = w->modedata;
+	struct screen			*s = &data->screen;
+
+ 	screen_resize(s, sx, sy);
+	window_clock_draw_screen(w);
+}
+
+void
+window_clock_key(struct window *w, unused struct client *c, unused int key)
+{
+	window_reset_mode(w);
+}
+
+void
+window_clock_timer(struct window *w)
+{
+	window_clock_draw_screen(w);
+	server_redraw_window(w);
+}
+
+void
+window_clock_draw_screen(struct window *w)
+{
+	struct window_clock_mode_data	*data = w->modedata;
+	struct screen			*s = &data->screen;
+	struct screen_write_ctx	 	 ctx;
+	struct grid_cell		 gc;
+	char				 tim[64], *ptr;
+	time_t				 t;
+	u_int				 colour, i, j, x, y, idx;
+	char				 table[14][5][5] = {
+ 		{ { 1,1,1,1,1 }, /* 0 */
+		  { 1,0,0,0,1 },
+		  { 1,0,0,0,1 },
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 } },
+ 		{ { 0,0,0,0,1 }, /* 1 */
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 } },
+ 		{ { 1,1,1,1,1 }, /* 2 */
+		  { 0,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 1,0,0,0,0 },
+		  { 1,1,1,1,1 } },
+ 		{ { 1,1,1,1,1 }, /* 3 */
+		  { 0,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 0,0,0,0,1 },
+		  { 1,1,1,1,1 } },
+ 		{ { 1,0,0,0,1 }, /* 4 */
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 } },
+ 		{ { 1,1,1,1,1 }, /* 5 */
+		  { 1,0,0,0,0 },
+		  { 1,1,1,1,1 },
+		  { 0,0,0,0,1 },
+		  { 1,1,1,1,1 } },
+ 		{ { 1,1,1,1,1 }, /* 6 */
+		  { 1,0,0,0,0 },
+		  { 1,1,1,1,1 },
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 } },
+ 		{ { 1,1,1,1,1 }, /* 7 */
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 },
+		  { 0,0,0,0,1 } },
+ 		{ { 1,1,1,1,1 }, /* 8 */
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 } },
+ 		{ { 1,1,1,1,1 }, /* 9 */
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 0,0,0,0,1 },
+		  { 1,1,1,1,1 } },
+ 		{ { 0,0,0,0,0 }, /* : */
+		  { 0,0,1,0,0 },
+		  { 0,0,0,0,0 },
+		  { 0,0,1,0,0 },
+		  { 0,0,0,0,0 } },
+ 		{ { 1,1,1,1,1 }, /* A */
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 1,0,0,0,1 },
+		  { 1,0,0,0,1 } },
+ 		{ { 1,1,1,1,1 }, /* P */
+		  { 1,0,0,0,1 },
+		  { 1,1,1,1,1 },
+		  { 1,0,0,0,0 },
+		  { 1,0,0,0,0 } },
+ 		{ { 1,0,0,0,1 }, /* M */
+		  { 1,1,0,1,1 },
+		  { 1,0,1,0,1 },
+		  { 1,0,0,0,1 },
+		  { 1,0,0,0,1 } },
+	};
+
+	colour = options_get_number(&w->options, "clock-mode-colour");
+
+	t = time(NULL);
+	if (options_get_number(&w->options, "clock-mode-style") == 0)
+		strftime(tim, sizeof tim, "%l:%M %p", localtime(&t));
+	else
+		strftime(tim, sizeof tim, "%H:%M", localtime(&t));
+
+	screen_write_start(&ctx, s, NULL, NULL);
+	screen_write_clearscreen(&ctx);
+	memcpy(&gc, &grid_default_cell, sizeof gc);
+
+	if (screen_size_x(s) < 6 * strlen(tim) || screen_size_y(s) < 6) {
+		if (screen_size_x(s) >= strlen(tim) && screen_size_y(s) != 0) {
+			x = (screen_size_x(s) / 2) - (strlen(tim) / 2);
+			y = screen_size_y(s) / 2;
+			screen_write_cursormove(&ctx, x, y);
+
+			gc.fg = colour;
+			screen_write_puts(&ctx, &gc, "%s", tim);
+		}
+		screen_write_stop(&ctx);
+		return;
+	}		
+
+	x = (screen_size_x(s) / 2) - 3 * strlen(tim);
+	y = (screen_size_y(s) / 2) - 3;
+
+	for (ptr = tim; *ptr != '\0'; ptr++) {
+		if (*ptr >= '0' && *ptr <= '9')
+			idx = *ptr - '0';
+ 		else if (*ptr == ':')
+			idx = 10;
+ 		else if (*ptr == 'A')
+			idx = 11;
+ 		else if (*ptr == 'P')
+			idx = 12;
+ 		else if (*ptr == 'M')
+			idx = 13;
+		else {
+			x += 6;
+			continue;
+		}
+
+		for (j = 0; j < 5; j++) {
+			screen_write_cursormove(&ctx, x, y + j);
+			for (i = 0; i < 5; i++) {
+				if (table[idx][j][i])
+					gc.bg = colour;
+				else
+					gc.bg = 0;
+				screen_write_putc(&ctx, &gc, ' ');
+			}
+		}
+		x += 6;
+	}
+
+	screen_write_stop(&ctx);
+}

window-copy.c

@@ -1,4 +1,4 @@
-/* $Id: window-copy.c,v 1.36 2009-01-10 01:51:22 nicm Exp $ */
+/* $Id: window-copy.c,v 1.37 2009-01-10 19:35:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -63,7 +63,8 @@ const struct window_mode window_copy_mode = {
 	window_copy_init,
 	window_copy_free,
 	window_copy_resize,
-	window_copy_key
+	window_copy_key,
+	NULL
 };
 
 struct window_copy_mode_data {

window-more.c

@@ -1,4 +1,4 @@
-/* $Id: window-more.c,v 1.22 2009-01-10 01:41:32 nicm Exp $ */
+/* $Id: window-more.c,v 1.23 2009-01-10 19:35:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -38,7 +38,8 @@ const struct window_mode window_more_mode = {
 	window_more_init,
 	window_more_free,
 	window_more_resize,
-	window_more_key
+	window_more_key,
+	NULL
 };
 
 struct window_more_mode_data {

window-scroll.c

@@ -1,4 +1,4 @@
-/* $Id: window-scroll.c,v 1.25 2008-12-08 16:19:51 nicm Exp $ */
+/* $Id: window-scroll.c,v 1.26 2009-01-10 19:35:40 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -42,7 +42,8 @@ const struct window_mode window_scroll_mode = {
 	window_scroll_init,
 	window_scroll_free,
 	window_scroll_resize,
-	window_scroll_key
+	window_scroll_key,
+	NULL
 };
 
 struct window_scroll_mode_data {