Added workspace_gesture_threshold config option

include/sway/commands.h

@@ -231,6 +231,7 @@ sway_cmd cmd_workspace;
 sway_cmd cmd_workspace_layout;
 sway_cmd cmd_ws_auto_back_and_forth;
 sway_cmd cmd_ws_gesture_spring_size;
+sway_cmd cmd_ws_gesture_threshold;
 sway_cmd cmd_ws_gesture_wrap_around;
 sway_cmd cmd_xwayland;
 

include/sway/config.h

@@ -509,6 +509,7 @@ struct sway_config {
 
 	int workspace_gesture_spring_size;
 	bool workspace_gesture_wrap_around;
+	float workspace_gesture_threshold;
 
 	list_t *layer_criteria;
 

sway/commands.c

@@ -123,6 +123,7 @@ static const struct cmd_handler handlers[] = {
 	{ "workspace", cmd_workspace },
 	{ "workspace_auto_back_and_forth", cmd_ws_auto_back_and_forth },
 	{ "workspace_gesture_spring_size", cmd_ws_gesture_spring_size },
+	{ "workspace_gesture_threshold", cmd_ws_gesture_threshold },
 	{ "workspace_gesture_wrap_around", cmd_ws_gesture_wrap_around },
 };
 

sway/commands/workspace_gesture.c

@@ -30,3 +30,20 @@ struct cmd_results *cmd_ws_gesture_wrap_around(int argc, char **argv) {
 
 	return cmd_results_new(CMD_SUCCESS, NULL);
 }
+
+struct cmd_results *cmd_ws_gesture_threshold(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "workspace_gesture_threshold", EXPECTED_EQUAL_TO, 1))) {
+		return error;
+	}
+
+	char *err;
+	float val = strtof(argv[0], &err);
+	if (*err || val < 0.1f || val > 0.9f) {
+		return cmd_results_new(CMD_INVALID, "workspace_gesture_threshold float invalid. "
+				"Should be between 0.1 and 0.9");
+	}
+	config->workspace_gesture_threshold = val;
+
+	return cmd_results_new(CMD_SUCCESS, NULL);
+}

sway/config.c

@@ -370,6 +370,7 @@ static void config_defaults(struct sway_config *config) {
 
 	config->workspace_gesture_spring_size = 50;
 	config->workspace_gesture_wrap_around = false;
+	config->workspace_gesture_threshold = 0.35;
 
 	if (!(config->layer_criteria = create_list())) goto cleanup;
 

sway/desktop/output.c

@@ -1135,15 +1135,14 @@ void update_workspace_scroll_percent(struct sway_seat *seat, int gesture_percent
 
 	float min = PREV_WS_LIMIT, max = NEXT_WS_LIMIT;
 	if (!config->workspace_gesture_wrap_around) {
-		// TODO: Make the threshold configurable??
-		const float THRESHOLD = MAX(0.35 - 0.1, 0);
-
 		// Visualized to the user that this is the last / first workspace by
 		// allowing a small swipe, a "Spring effect"
 		float spring_limit = (float) config->workspace_gesture_spring_size /
 			output->width * output->wlr_output->scale;
-		// Make sure that the limit is always smaller than the threshold
-		spring_limit = MIN(THRESHOLD, spring_limit);
+		// Make sure that the limit is always smaller than the threshold to
+		// avoid accidental workspace switches
+		float small_threshold = MAX(config->workspace_gesture_threshold - 0.1, 0);
+		spring_limit = MIN(small_threshold, spring_limit);
 		// Limit the percent depending on if the workspace is the first/last or in
 		// the middle somewhere.
 		if (visible_index + 1 >= output->workspaces->length) {
@@ -1164,9 +1163,7 @@ void snap_workspace_scroll_percent(struct sway_seat *seat) {
 	struct sway_workspace *focused_ws = seat_get_focused_workspace(seat);
 	struct sway_output *output = focused_ws->output;
 
-	// TODO: Make the threshold configurable??
-	const float THRESHOLD = 0.35;
-	if (fabs(output->workspace_scroll.percent) <= THRESHOLD) {
+	if (fabs(output->workspace_scroll.percent) <= config->workspace_gesture_threshold) {
 		goto reset_state;
 	}
 

sway/sway.5.scd

@@ -597,6 +597,11 @@ runtime.
 	swipe past the first/last workspace. Disables the
 	_workspace_gesture_spring_size_ config option. Disabled by default.
 
+*workspace_gesture_spring_size* <value>
+	Adjusts the swipe threshold of switching workspaces. A lower value makes it
+	easier to switch workspaces. Accepts values between 0.1 (small swipes) and
+	0.9 (large swipes). The default value is set to 0.35.
+
 *client.background* <color>
 	This command is ignored and is only present for i3 compatibility.