Idle handling for dpms/lockscreen et al

Swayidle handles idle events and allows
for dpms and lockscreen handling. It also
handles systemd sleep events, and can
raise a lockscreen on sleep

Fixes swaywm#541

config.in

@@ -4,6 +4,14 @@
 #
 # Read `man 5 sway` for a complete reference.
 
+### Session setup
+#
+# Power off screen on idle and raise lockscreen
+#exec swayidle before-sleep exec 'swaylock -c 000000' \
+#	timeout 300 exec 'swaylock -c 000000' \
+#	timeout 600 exec 'swaymsg "output * dpms off"' \
+#	    resume exec 'swaymsg "output * dpms on"'
+
 ### Variables
 #
 # Logo key. Use Mod1 for Alt.

include/sway/config.h

@@ -107,6 +107,12 @@ struct seat_config {
 	list_t *attachments; // list of seat_attachment configs
 };
 
+enum config_dpms {
+	DPMS_IGNORE,
+	DPMS_ON,
+	DPMS_OFF
+};
+
 /**
  * Size and position configuration for a particular output.
  *
@@ -123,6 +129,7 @@ struct output_config {
 
 	char *background;
 	char *background_option;
+	enum config_dpms dpms_state;
 };
 
 /**

include/sway/server.h

@@ -21,6 +21,7 @@ struct sway_server {
 
 	struct wlr_compositor *compositor;
 	struct wlr_data_device_manager *data_device_manager;
+	struct wlr_idle *idle;
 
 	struct sway_input_manager *input;
 

meson.build

@@ -20,6 +20,8 @@ datadir = get_option('datadir')
 sysconfdir = get_option('sysconfdir')
 prefix = get_option('prefix')
 
+swayidle_deps = []
+
 jsonc          = dependency('json-c', version: '>=0.13')
 pcre           = dependency('libpcre')
 wlroots        = dependency('wlroots', fallback: ['wlroots', 'wlroots'])
@@ -37,6 +39,8 @@ pixman         = dependency('pixman-1')
 libcap         = dependency('libcap')
 libinput       = dependency('libinput', version: '>=1.6.0')
 libpam         = cc.find_library('pam')
+systemd        = dependency('libsystemd', required: false)
+elogind        = dependency('libelogind', required: false)
 math           = cc.find_library('m')
 rt             = cc.find_library('rt')
 git = find_program('git', required: false)
@@ -48,6 +52,16 @@ if gdk_pixbuf.found()
 	conf_data.set('HAVE_GDK_PIXBUF', true)
 endif
 
+if systemd.found()
+	conf_data.set('SWAY_IDLE_HAS_SYSTEMD', true)
+	swayidle_deps += systemd
+endif
+
+if elogind.found()
+	conf_data.set('SWAY_IDLE_HAS_ELOGIND', true)
+	swayidle_deps += elogind
+endif
+
 if a2x.found()
 	mandir = get_option('mandir')
 	man_files = [
@@ -57,6 +71,7 @@ if a2x.found()
 		'sway/sway-input.5.txt',
 		'sway/sway-security.7.txt',
 		'swaymsg/swaymsg.1.txt',
+		'swayidle/swayidle.1.txt',
 	]
 	foreach filename : man_files
 		topic = filename.split('.')[-3].split('/')[-1]
@@ -108,6 +123,7 @@ subdir('client')
 subdir('swaybg')
 subdir('swaybar')
 subdir('swaylock')
+subdir('swayidle')
 
 config = configuration_data()
 config.set('sysconfdir', join_paths(prefix, sysconfdir))

protocols/idle.xml

@@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="idle">
+  <copyright><![CDATA[
+    Copyright (C) 2015 Martin Gräßlin
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2.1 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+  ]]></copyright>
+  <interface  name="org_kde_kwin_idle" version="1">
+      <description summary="User idle time manager">
+        This interface allows to monitor user idle time on a given seat. The interface
+        allows to register timers which trigger after no user activity was registered
+        on the seat for a given interval. It notifies when user activity resumes.
+
+        This is useful for applications wanting to perform actions when the user is not
+        interacting with the system, e.g. chat applications setting the user as away, power
+        management features to dim screen, etc..
+      </description>
+      <request name="get_idle_timeout">
+        <arg name="id" type="new_id" interface="org_kde_kwin_idle_timeout"/>
+        <arg name="seat" type="object" interface="wl_seat"/>
+        <arg name="timeout" type="uint" summary="The idle timeout in msec"/>
+      </request>
+  </interface>
+  <interface name="org_kde_kwin_idle_timeout" version="1">
+      <request name="release" type="destructor">
+        <description summary="release the timeout object"/>
+      </request>
+      <request name="simulate_user_activity">
+          <description summary="Simulates user activity for this timeout, behaves just like real user activity on the seat"/>
+      </request>
+      <event name="idle">
+          <description summary="Triggered when there has not been any user activity in the requested idle time interval"/>
+      </event>
+      <event name="resumed">
+          <description summary="Triggered on the first user activity after an idle event"/>
+      </event>
+  </interface>
+</protocol>

protocols/meson.build

@@ -30,6 +30,7 @@ wayland_scanner_server = generator(
 client_protocols = [
 	[wl_protocol_dir, 'stable/xdg-shell/xdg-shell.xml'],
 	['wlr-layer-shell-unstable-v1.xml'],
+	['idle.xml'],
 	['wlr-input-inhibitor-unstable-v1.xml']
 ]
 

sway/commands/output.c

@@ -20,6 +20,22 @@ static char *bg_options[] = {
 	"tile",
 };
 
+static struct cmd_results *cmd_output_dpms(struct output_config *output,
+		int *i, int argc, char **argv) {
+
+	if (++*i >= argc) {
+		return cmd_results_new(CMD_INVALID, "output", "Missing dpms argument.");
+	}
+
+	char *value = argv[*i];
+	if (strcmp(value, "on") == 0) {
+		output->dpms_state = DPMS_ON;
+	} else if (strcmp(value, "off") == 0) {
+		output->dpms_state = DPMS_OFF;
+	}
+	return NULL;
+}
+
 static struct cmd_results *cmd_output_mode(struct output_config *output,
 		int *i, int argc, char **argv) {
 	if (++*i >= argc) {
@@ -263,6 +279,8 @@ struct cmd_results *cmd_output(int argc, char **argv) {
 		} else if (strcasecmp(command, "background") == 0 ||
 				strcasecmp(command, "bg") == 0) {
 			error = cmd_output_background(output, &i, argc, argv);
+		} else if (strcasecmp(command, "dpms") == 0) {
+			error = cmd_output_dpms(output, &i, argc, argv);
 		} else {
 			error = cmd_results_new(CMD_INVALID, "output",
 				"Invalid output subcommand: %s.", command);
@@ -285,10 +303,10 @@ struct cmd_results *cmd_output(int argc, char **argv) {
 	}
 
 	wlr_log(L_DEBUG, "Config stored for output %s (enabled: %d) (%dx%d@%fHz "
-		"position %d,%d scale %f transform %d) (bg %s %s)",
+		"position %d,%d scale %f transform %d) (bg %s %s) (dpms %d)",
 		output->name, output->enabled, output->width, output->height,
 		output->refresh_rate, output->x, output->y, output->scale,
-		output->transform, output->background, output->background_option);
+		output->transform, output->background, output->background_option, output->dpms_state);
 
 	// Try to find the output container and apply configuration now. If
 	// this is during startup then there will be no container and config

sway/config.c

@@ -165,6 +165,7 @@ static void config_defaults(struct sway_config *config) {
 	config->floating_mod = 0;
 	config->dragging_key = BTN_LEFT;
 	config->resizing_key = BTN_RIGHT;
+
 	if (!(config->floating_scroll_up_cmd = strdup(""))) goto cleanup;
 	if (!(config->floating_scroll_down_cmd = strdup(""))) goto cleanup;
 	if (!(config->floating_scroll_left_cmd = strdup(""))) goto cleanup;

sway/config/output.c

@@ -81,6 +81,9 @@ void merge_output_config(struct output_config *dst, struct output_config *src) {
 		free(dst->background_option);
 		dst->background_option = strdup(src->background_option);
 	}
+	if (src->dpms_state != 0) {
+		dst->dpms_state = src->dpms_state;
+	}
 }
 
 static void set_mode(struct wlr_output *output, int width, int height,
@@ -204,6 +207,20 @@ void apply_output_config(struct output_config *oc, struct sway_container *output
 			execvp(cmd[0], cmd);
 		}
 	}
+	if (oc && oc->dpms_state != DPMS_IGNORE) {
+		switch(oc->dpms_state) {
+			case DPMS_ON:
+				wlr_log(L_DEBUG, "Turning on screen");
+				wlr_output_enable(wlr_output, true);
+				break;
+			case DPMS_OFF:
+				wlr_log(L_DEBUG, "Turning off screen");
+				wlr_output_enable(wlr_output, false);
+				break;
+			case DPMS_IGNORE:
+				break;
+		}
+	}
 }
 
 void free_output_config(struct output_config *oc) {

sway/input/cursor.c

@@ -7,6 +7,7 @@
 #endif
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_xcursor_manager.h>
+#include <wlr/types/wlr_idle.h>
 #include "list.h"
 #include "log.h"
 #include "sway/input/cursor.h"
@@ -172,6 +173,7 @@ void cursor_send_pointer_motion(struct sway_cursor *cursor, uint32_t time_msec)
 
 static void handle_cursor_motion(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, motion);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_pointer_motion *event = data;
 	wlr_cursor_move(cursor->cursor, event->device,
 		event->delta_x, event->delta_y);
@@ -182,6 +184,7 @@ static void handle_cursor_motion_absolute(
 		struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor =
 		wl_container_of(listener, cursor, motion_absolute);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_pointer_motion_absolute *event = data;
 	wlr_cursor_warp_absolute(cursor->cursor, event->device, event->x, event->y);
 	cursor_send_pointer_motion(cursor, event->time_msec);
@@ -231,20 +234,23 @@ void dispatch_cursor_button(struct sway_cursor *cursor,
 
 static void handle_cursor_button(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, button);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_pointer_button *event = data;
 	dispatch_cursor_button(cursor,
 			event->time_msec, event->button, event->state);
 }
 
 static void handle_cursor_axis(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, axis);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_pointer_axis *event = data;
 	wlr_seat_pointer_notify_axis(cursor->seat->wlr_seat, event->time_msec,
 		event->orientation, event->delta);
 }
 
 static void handle_touch_down(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_down);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_touch_down *event = data;
 
 	struct wlr_seat *seat = cursor->seat->wlr_seat;
@@ -271,6 +277,7 @@ static void handle_touch_down(struct wl_listener *listener, void *data) {
 
 static void handle_touch_up(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, touch_up);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_touch_up *event = data;
 	struct wlr_seat *seat = cursor->seat->wlr_seat;
 	// TODO: fall back to cursor simulation if client has not bound to touch
@@ -280,6 +287,7 @@ static void handle_touch_up(struct wl_listener *listener, void *data) {
 static void handle_touch_motion(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor =
 		wl_container_of(listener, cursor, touch_motion);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_touch_motion *event = data;
 
 	struct wlr_seat *seat = cursor->seat->wlr_seat;
@@ -331,6 +339,7 @@ static void apply_mapping_from_region(struct wlr_input_device *device,
 
 static void handle_tool_axis(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_axis);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_tablet_tool_axis *event = data;
 	struct sway_input_device *input_device = event->device->data;
 
@@ -353,6 +362,7 @@ static void handle_tool_axis(struct wl_listener *listener, void *data) {
 
 static void handle_tool_tip(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_tip);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_tablet_tool_tip *event = data;
 	dispatch_cursor_button(cursor, event->time_msec,
 			BTN_LEFT, event->state == WLR_TABLET_TOOL_TIP_DOWN ?
@@ -361,6 +371,7 @@ static void handle_tool_tip(struct wl_listener *listener, void *data) {
 
 static void handle_tool_button(struct wl_listener *listener, void *data) {
 	struct sway_cursor *cursor = wl_container_of(listener, cursor, tool_button);
+	wlr_idle_notify_activity(cursor->seat->input->server->idle, cursor->seat->wlr_seat);
 	struct wlr_event_tablet_tool_button *event = data;
 	// TODO: the user may want to configure which tool buttons are mapped to
 	// which simulated pointer buttons

sway/input/keyboard.c

@@ -2,6 +2,7 @@
 #include <limits.h>
 #include <wlr/backend/multi.h>
 #include <wlr/backend/session.h>
+#include <wlr/types/wlr_idle.h>
 #include "sway/input/seat.h"
 #include "sway/input/keyboard.h"
 #include "sway/input/input-manager.h"
@@ -330,6 +331,7 @@ static void handle_keyboard_key(struct wl_listener *listener, void *data) {
 	struct wlr_seat *wlr_seat = keyboard->seat_device->sway_seat->wlr_seat;
 	struct wlr_input_device *wlr_device =
 		keyboard->seat_device->input_device->wlr_device;
+	wlr_idle_notify_activity(keyboard->seat_device->sway_seat->input->server->idle, wlr_seat);
 	struct wlr_event_keyboard_key *event = data;
 
 	xkb_keycode_t keycode = event->keycode + 8;

sway/server.c

@@ -16,6 +16,7 @@
 #include <wlr/types/wlr_xcursor_manager.h>
 #include <wlr/types/wlr_xdg_output.h>
 #include <wlr/types/wlr_wl_shell.h>
+#include <wlr/types/wlr_idle.h>
 #include <wlr/util/log.h>
 // TODO WLR: make Xwayland optional
 #include <wlr/xwayland.h>
@@ -61,6 +62,7 @@ bool server_init(struct sway_server *server) {
 	server->data_device_manager =
 		wlr_data_device_manager_create(server->wl_display);
 
+	server->idle = wlr_idle_create(server->wl_display);
 	wlr_screenshooter_create(server->wl_display);
 	wlr_gamma_control_manager_create(server->wl_display);
 	wlr_primary_selection_device_manager_create(server->wl_display);