From d35e8265a7dee7773394e13d34cac2e78f19303b Mon Sep 17 00:00:00 2001
From: Jente Hidskes <hjdskes@gmail.com>
Date: Fri, 4 Jan 2019 17:06:27 +0100
Subject: [PATCH] Add idle tracking

Note that this does not do much without an idle manager "on the other
side". See, for example, swayidle: https://github.com/swaywm/sway/blob/master/swayidle/swayidle.1.scd

Fixes #7.
---
 cage.c   | 11 +++++++++++
 seat.c   | 17 +++++++++++++++++
 server.h |  2 ++
 3 files changed, 30 insertions(+)

diff --git a/cage.c b/cage.c
index 9a67921..a5e606c 100644
--- a/cage.c
+++ b/cage.c
@@ -20,6 +20,7 @@
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_compositor.h>
 #include <wlr/types/wlr_data_device.h>
+#include <wlr/types/wlr_idle.h>
 #include <wlr/types/wlr_output_layout.h>
 #if CAGE_HAS_XWAYLAND
 #include <wlr/types/wlr_xcursor_manager.h>
@@ -151,6 +152,13 @@ main(int argc, char *argv[])
 		goto end;
 	}
 
+	server.idle = wlr_idle_create(server.wl_display);
+	if (!server.idle) {
+		wlr_log(WLR_ERROR, "Unable to create the idle tracker");
+		ret = 1;
+		goto end;
+	}
+
 	xdg_shell = wlr_xdg_shell_create(server.wl_display);
 	if (!xdg_shell) {
 		wlr_log(WLR_ERROR, "Unable to create the XDG shell interface");
@@ -228,6 +236,9 @@ end:
 	wlr_xcursor_manager_destroy(xcursor_manager);
 #endif
 	wlr_xdg_shell_destroy(xdg_shell);
+	if (server.idle) {
+		wlr_idle_destroy(server.idle);
+	}
 	wlr_data_device_manager_destroy(data_device_mgr);
 	wlr_compositor_destroy(compositor);
 	wlr_output_layout_destroy(server.output_layout);
diff --git a/seat.c b/seat.c
index 88e56ed..468ca3c 100644
--- a/seat.c
+++ b/seat.c
@@ -13,6 +13,7 @@
 #include <wayland-server.h>
 #include <wlr/backend.h>
 #include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_idle.h>
 #include <wlr/types/wlr_seat.h>
 #include <wlr/types/wlr_surface.h>
 #include <wlr/types/wlr_xcursor_manager.h>
@@ -195,6 +196,8 @@ handle_keyboard_modifiers(struct wl_listener *listener, void *data)
 	wlr_seat_set_keyboard(keyboard->seat->seat, keyboard->device);
 	wlr_seat_keyboard_notify_modifiers(keyboard->seat->seat,
 					   &keyboard->device->keyboard->modifiers);
+
+	wlr_idle_notify_activity(keyboard->seat->server->idle, keyboard->seat->seat);
 }
 
 static bool
@@ -209,6 +212,7 @@ handle_keybinding(struct cg_server *server, xkb_keysym_t sym)
 	default:
 		return false;
 	}
+	wlr_idle_notify_activity(server->idle, server->seat->seat);
 	return true;
 }
 
@@ -242,6 +246,8 @@ handle_keyboard_key(struct wl_listener *listener, void *data)
 		wlr_seat_keyboard_notify_key(seat->seat, event->time_msec,
 					     event->keycode, event->state);
 	}
+
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -381,6 +387,8 @@ handle_touch_down(struct wl_listener *listener, void *data)
 		press_cursor_button(seat, event->device, event->time_msec,
 				    BTN_LEFT, WLR_BUTTON_PRESSED, lx, ly);
 	}
+
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -400,6 +408,7 @@ handle_touch_up(struct wl_listener *listener, void *data)
 	}
 
 	wlr_seat_touch_notify_up(seat->seat, event->time_msec, event->touch_id);
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -435,6 +444,8 @@ handle_touch_motion(struct wl_listener *listener, void *data)
 		seat->touch_x = lx;
 		seat->touch_y = ly;
 	}
+
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -446,6 +457,7 @@ handle_cursor_axis(struct wl_listener *listener, void *data)
 	wlr_seat_pointer_notify_axis(seat->seat,
 				     event->time_msec, event->orientation, event->delta,
 				     event->delta_discrete, event->source);
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -459,6 +471,7 @@ handle_cursor_button(struct wl_listener *listener, void *data)
 	press_cursor_button(seat, event->device, event->time_msec,
 			    event->button, event->state,
 			    seat->cursor->x, seat->cursor->y);
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -482,6 +495,8 @@ process_cursor_motion(struct cg_seat *seat, uint32_t time)
 			wlr_seat_pointer_notify_motion(wlr_seat, time, sx, sy);
 		}
 	}
+
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -492,6 +507,7 @@ handle_cursor_motion_absolute(struct wl_listener *listener, void *data)
 
 	wlr_cursor_warp_absolute(seat->cursor, event->device, event->x, event->y);
 	process_cursor_motion(seat, event->time_msec);
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
@@ -502,6 +518,7 @@ handle_cursor_motion(struct wl_listener *listener, void *data)
 
 	wlr_cursor_move(seat->cursor, event->device, event->delta_x, event->delta_y);
 	process_cursor_motion(seat, event->time_msec);
+	wlr_idle_notify_activity(seat->server->idle, seat->seat);
 }
 
 static void
diff --git a/server.h b/server.h
index e29bca8..e2bc6a5 100644
--- a/server.h
+++ b/server.h
@@ -5,6 +5,7 @@
 
 #include <wayland-server.h>
 #include <wlr/backend.h>
+#include <wlr/types/wlr_idle.h>
 #include <wlr/types/wlr_output_layout.h>
 #if CAGE_HAS_XWAYLAND
 #include <wlr/xwayland.h>
@@ -21,6 +22,7 @@ struct cg_server {
 	struct wl_list views;
 
 	struct cg_seat *seat;
+	struct wlr_idle *idle;
 
 	struct wlr_output_layout *output_layout;
 	struct cg_output *output;