Add input cmd for setting pointer accel profile.

include/config.h

@@ -52,6 +52,8 @@ struct sway_mode {
  */
 struct input_config {
 	char *identifier;
+
+	int accel_profile;
 	int click_method;
 	int drag_lock;
 	int dwt;

sway/commands.c

@@ -1149,6 +1149,29 @@ static void input_cmd_apply(struct input_config *input) {
 	}
 }
 
+static struct cmd_results *input_cmd_accel_profile(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "accel_profile", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	if (!current_input_config) {
+		return cmd_results_new(CMD_FAILURE, "accel_profile", "No input device defined.");
+	}
+	struct input_config *new_config = new_input_config(current_input_config->identifier);
+
+	if (strcasecmp(argv[0], "adaptive") == 0) {
+		new_config->accel_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_ADAPTIVE;
+	} else if (strcasecmp(argv[0], "flat") == 0) {
+		new_config->accel_profile = LIBINPUT_CONFIG_ACCEL_PROFILE_FLAT;
+	} else {
+		return cmd_results_new(CMD_INVALID, "accel_profile",
+				"Expected 'accel_profile <adaptive|flat>'");
+	}
+
+	input_cmd_apply(new_config);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 static struct cmd_results *input_cmd_click_method(int argc, char **argv) {
 	sway_log(L_DEBUG, "click_method for device:  %d %s", current_input_config==NULL, current_input_config->identifier);
 	struct cmd_results *error = NULL;
@@ -1388,7 +1411,9 @@ static struct cmd_results *cmd_input(int argc, char **argv) {
 
 		struct cmd_results *res;
 		current_input_config = new_input_config(argv[0]);
-		if (strcasecmp("click_method", argv[1]) == 0) {
+		if (strcasecmp("accel_profile", argv[1]) == 0) {
+			res = input_cmd_accel_profile(argc_new, argv_new);
+		} else if (strcasecmp("click_method", argv[1]) == 0) {
 			res = input_cmd_click_method(argc_new, argv_new);
 		} else if (strcasecmp("drag_lock", argv[1]) == 0) {
 			res = input_cmd_drag_lock(argc_new, argv_new);
@@ -1407,7 +1432,7 @@ static struct cmd_results *cmd_input(int argc, char **argv) {
 		} else if (strcasecmp("tap", argv[1]) == 0) {
 			res = input_cmd_tap(argc_new, argv_new);
 		} else {
-			res = cmd_results_new(CMD_INVALID, "input <device>", "Unknonwn command %s", argv[1]);
+			res = cmd_results_new(CMD_INVALID, "input <device>", "Unknown command %s", argv[1]);
 		}
 		current_input_config = NULL;
 		return res;
@@ -3127,6 +3152,7 @@ static struct cmd_results *bar_colors_cmd_urgent_workspace(int argc, char **argv
 }
 
 static struct cmd_handler input_handlers[] = {
+	{ "accel_profile", input_cmd_accel_profile },
 	{ "click_method", input_cmd_click_method },
 	{ "drag_lock", input_cmd_drag_lock },
 	{ "dwt", input_cmd_dwt },

sway/config.c

@@ -562,6 +562,9 @@ void merge_input_config(struct input_config *dst, struct input_config *src) {
 		}
 		dst->identifier = strdup(src->identifier);
 	}
+	if (src->accel_profile != INT_MIN) {
+		dst->accel_profile = src->accel_profile;
+	}
 	if (src->click_method != INT_MIN) {
 		dst->click_method = src->click_method;
 	}
@@ -735,6 +738,10 @@ void apply_input_config(struct input_config *ic, struct libinput_device *dev) {
 			ic->identifier);
 	}
 
+	if (ic && ic->accel_profile != INT_MIN) {
+		sway_log(L_DEBUG, "apply_input_config(%s) accel_set_profile(%d)", ic->identifier, ic->accel_profile);
+		libinput_device_config_accel_set_profile(dev, ic->accel_profile);
+	}
 	if (ic && ic->click_method != INT_MIN) {
 		sway_log(L_DEBUG, "apply_input_config(%s) click_set_method(%d)", ic->identifier, ic->click_method);
 		libinput_device_config_click_set_method(dev, ic->click_method);

sway/input.c

@@ -21,6 +21,7 @@ struct input_config *new_input_config(const char* identifier) {
 	input->click_method = INT_MIN;
 	input->middle_emulation = INT_MIN;
 	input->natural_scroll = INT_MIN;
+	input->accel_profile = INT_MIN;
 	input->pointer_accel = FLT_MIN;
 	input->scroll_method = INT_MIN;
 

sway/sway-input.5.txt

@@ -17,6 +17,9 @@ your config file.
 Commands
 --------
 
+**input** <identifier> accel_profile <adaptive|flat>::
+	Sets the pointer acceleration profile for the specified input device.
+
 **input** <identifier> click_method <none|button_areas|clickfinger>::
 	Changes the click method for the specified device.