Implement force_display_urgency_hint

The directive sets the timeout before an urgent view becomes normal
again after switching to it from another workspace.

Also:

* When an xwayland surface removes the urgent hint while the timer is
active, we now ignore the request. This happens as soon as the view
receives focus, so it was effectively making the timer pointless.
* The timeout is now only applied when switching to it from another
workspace.

6 files changed, 40 insertions, 1 deletions

diff --git a/sway/commands.c b/sway/commands.c
index 73c968ea..f1f03574 100644
--- a/sway/commands.c
+++ b/sway/commands.c
@@ -108,6 +108,7 @@ static struct cmd_handler handlers[] = {
 	{ "focus_wrapping", cmd_focus_wrapping },
 	{ "font", cmd_font },
 	{ "for_window", cmd_for_window },
+	{ "force_display_urgency_hint", cmd_force_display_urgency_hint },
 	{ "force_focus_wrapping", cmd_force_focus_wrapping },
 	{ "fullscreen", cmd_fullscreen },
 	{ "gaps", cmd_gaps },
diff --git a/sway/commands/force_display_urgency_hint.c b/sway/commands/force_display_urgency_hint.c
new file mode 100644
index 00000000..a25ffff8
--- /dev/null
+++ b/sway/commands/force_display_urgency_hint.c
@@ -0,0 +1,28 @@
+#include "log.h"
+#include "sway/commands.h"
+#include "sway/config.h"
+#include "sway/tree/arrange.h"
+#include "sway/tree/container.h"
+#include "sway/tree/view.h"
+#include "sway/tree/layout.h"
+
+struct cmd_results *cmd_force_display_urgency_hint(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "force_display_urgency_hint",
+					EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+
+	char *err;
+	int timeout = (int)strtol(argv[0], &err, 10);
+	if (*err) {
+		if (strcmp(err, "ms") != 0) {
+			return cmd_results_new(CMD_INVALID, "force_display_urgency_hint",
+					"Expected 'force_display_urgency_hint <timeout> ms'");
+		}
+	}
+
+	config->urgent_timeout = timeout > 0 ? timeout : 0;
+
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
diff --git a/sway/config.c b/sway/config.c
index 00500812..4b892852 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -186,6 +186,7 @@ static void config_defaults(struct sway_config *config) {
 	config->default_orientation = L_NONE;
 	if (!(config->font = strdup("monospace 10"))) goto cleanup;
 	config->font_height = 17; // height of monospace 10
+	config->urgent_timeout = 500;
 
 	// floating view
 	config->floating_maximum_width = 0;
diff --git a/sway/desktop/xwayland.c b/sway/desktop/xwayland.c
index 72dc7ca2..bce0a37b 100644
--- a/sway/desktop/xwayland.c
+++ b/sway/desktop/xwayland.c
@@ -442,6 +442,12 @@ static void handle_set_hints(struct wl_listener *listener, void *data) {
 	if (!xsurface->mapped) {
 		return;
 	}
+	if (!xsurface->hints_urgency && view->urgent_timer) {
+		// The view is is in the timeout period. We'll ignore the request to
+		// unset urgency so that the view remains urgent until the timer clears
+		// it.
+		return;
+	}
 	if (view->allow_request_urgent) {
 		view_set_urgent(view, (bool)xsurface->hints_urgency);
 	}
diff --git a/sway/input/seat.c b/sway/input/seat.c
index eadf3b26..816429d3 100644
--- a/sway/input/seat.c
+++ b/sway/input/seat.c
@@ -679,12 +679,14 @@ void seat_set_focus_warp(struct sway_seat *seat,
 
 	// If urgent, start a timer to unset it
 	if (container && container->type == C_VIEW &&
+			last_workspace && last_workspace != new_workspace &&
 			view_is_urgent(container->sway_view) &&
+			config->urgent_timeout > 0 &&
 			!container->sway_view->urgent_timer) {
 		struct sway_view *view = container->sway_view;
 		view->urgent_timer = wl_event_loop_add_timer(server.wl_event_loop,
 				handle_urgent_timeout, view);
-		wl_event_source_timer_update(view->urgent_timer, 1000);
+		wl_event_source_timer_update(view->urgent_timer, config->urgent_timeout);
 	}
 
 	// If we've focused a floating container, bring it to the front.
diff --git a/sway/meson.build b/sway/meson.build
index c58d3470..09bc40b8 100644
--- a/sway/meson.build
+++ b/sway/meson.build
@@ -47,6 +47,7 @@ sway_sources = files(
 	'commands/focus_wrapping.c',
 	'commands/font.c',
 	'commands/for_window.c',
+	'commands/force_display_urgency_hint.c',
 	'commands/force_focus_wrapping.c',
 	'commands/fullscreen.c',
 	'commands/gaps.c',