From 8a56b699ad0074fe16a60068020b51461e134558 Mon Sep 17 00:00:00 2001
From: Tuyen Pham <tuyenpm9@gmail.com>
Date: Wed, 7 Jul 2021 16:37:15 +0000
Subject: [PATCH] Do not VTs switch, block tty access

---
 include/sway/commands.h   |  1 +
 include/sway/config.h     |  1 +
 sway/commands.c           |  1 +
 sway/commands/ttyaccess.c | 23 +++++++++++++++++++++++
 sway/config.c             |  1 +
 sway/input/keyboard.c     | 12 ++++++++++--
 sway/meson.build          |  1 +
 sway/sway.5.scd           |  3 +++
 8 files changed, 41 insertions(+), 2 deletions(-)
 create mode 100644 sway/commands/ttyaccess.c

diff --git a/include/sway/commands.h b/include/sway/commands.h
index 29a6bec3f..b972489ee 100644
--- a/include/sway/commands.h
+++ b/include/sway/commands.h
@@ -104,6 +104,7 @@ sway_cmd cmd_exec_validate;
 sway_cmd cmd_exec_process;
 
 sway_cmd cmd_assign;
+sway_cmd cmd_ttyaccess;
 sway_cmd cmd_bar;
 sway_cmd cmd_bindcode;
 sway_cmd cmd_bindswitch;
diff --git a/include/sway/config.h b/include/sway/config.h
index b8327e9cc..a2ef0f317 100644
--- a/include/sway/config.h
+++ b/include/sway/config.h
@@ -506,6 +506,7 @@ struct sway_config {
 	enum focus_follows_mouse_mode focus_follows_mouse;
 	enum mouse_warping_mode mouse_warping;
 	enum focus_wrapping_mode focus_wrapping;
+  bool ttyaccess;
 	bool active;
 	bool failed;
 	bool reloading;
diff --git a/sway/commands.c b/sway/commands.c
index b09a04c71..fbc79e045 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -44,6 +44,7 @@ struct cmd_results *checkarg(int argc, const char *name, enum expected_args type
 /* Keep alphabetized */
 static const struct cmd_handler handlers[] = {
 	{ "assign", cmd_assign },
+  { "ttyaccess", cmd_ttyaccess },
 	{ "bar", cmd_bar },
 	{ "bindcode", cmd_bindcode },
 	{ "bindswitch", cmd_bindswitch },
diff --git a/sway/commands/ttyaccess.c b/sway/commands/ttyaccess.c
new file mode 100644
index 000000000..187a6fdb8
--- /dev/null
+++ b/sway/commands/ttyaccess.c
@@ -0,0 +1,23 @@
+#include <string.h>
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/tree/arrange.h"
+#include "sway/tree/view.h"
+#include "sway/tree/container.h"
+#include "log.h"
+#include "stringop.h"
+#include "util.h"
+
+struct cmd_results *cmd_no_titlebars(int argc, char **argv) {
+	struct cmd_results *error = checkarg(argc, "ttyaccess", EXPECTED_EQUAL_TO, 1);
+
+	if (error) {
+		return error;
+	}
+
+	config->ttyaccess = parse_boolean(argv[0], config->ttyaccess);
+
+	arrange_root();
+
+	return cmd_results_new(CMD_SUCCESS, NULL);
+}
diff --git a/sway/config.c b/sway/config.c
index 390138652..dcc7f718c 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -254,6 +254,7 @@ static void config_defaults(struct sway_config *config) {
 
 	// Flags
 	config->focus_follows_mouse = FOLLOWS_YES;
+  config->ttyaccess = false;
 	config->mouse_warping = WARP_OUTPUT;
 	config->focus_wrapping = WRAP_YES;
 	config->validating = false;
diff --git a/sway/input/keyboard.c b/sway/input/keyboard.c
index f258ac7d5..fe10aa775 100644
--- a/sway/input/keyboard.c
+++ b/sway/input/keyboard.c
@@ -500,14 +500,22 @@ static void handle_key_event(struct sway_keyboard *keyboard,
 
 	// Compositor bindings
 	if (!handled && event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
+		if (config->ttyaccess) {
+			return;
+		} else {
 		handled = keyboard_execute_compositor_binding(
 				keyboard, keyinfo.translated_keysyms,
 				keyinfo.translated_modifiers, keyinfo.translated_keysyms_len);
+		}
 	}
 	if (!handled && event->state == WL_KEYBOARD_KEY_STATE_PRESSED) {
+		if (config->ttyaccess) {
+			return;
+		} else {
 		handled = keyboard_execute_compositor_binding(
 				keyboard, keyinfo.raw_keysyms, keyinfo.raw_modifiers,
 				keyinfo.raw_keysyms_len);
+		}
 	}
 
 	if (event->state == WL_KEYBOARD_KEY_STATE_RELEASED) {
@@ -970,10 +978,10 @@ static void sway_keyboard_group_add(struct sway_keyboard *keyboard) {
 	wl_signal_add(&sway_group->wlr_group->keyboard.events.modifiers,
 			&sway_group->keyboard_modifiers);
 	sway_group->keyboard_modifiers.notify = handle_keyboard_group_modifiers;
-	
+
 	wl_signal_add(&sway_group->wlr_group->events.enter, &sway_group->enter);
 	sway_group->enter.notify = handle_keyboard_group_enter;
-	
+
 	wl_signal_add(&sway_group->wlr_group->events.leave, &sway_group->leave);
 	sway_group->leave.notify = handle_keyboard_group_leave;
 	return;
diff --git a/sway/meson.build b/sway/meson.build
index 1402db154..2ce5075f1 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -41,6 +41,7 @@ sway_sources = files(
 	'config/input.c',
 
 	'commands/assign.c',
+  'commands/ttyaccess.c',
 	'commands/bar.c',
 	'commands/bind.c',
 	'commands/border.c',
diff --git a/sway/sway.5.scd b/sway/sway.5.scd
index 02592b5f1..88920462a 100644
--- a/sway/sway.5.scd
+++ b/sway/sway.5.scd
@@ -154,6 +154,9 @@ They are expected to be used with *bindsym* or at runtime through *swaymsg*(1).
 	is now. If no argument is given, it does the same as _toggle_. If _global_
 	is specified, the view will be fullscreen across all outputs.
 
+*ttyaccess* enable|disable
+	Do not switch VTs, block tty access.
+
 *gaps* inner|outer|horizontal|vertical|top|right|bottom|left all|current
 set|plus|minus <amount>
 	Changes the _inner_ or _outer_ gaps for either _all_ workspaces or the