Merge pull request #2330 from progandy/set-modifier-locks

Configure initial state for numlock/capslock

include/sway/commands.h

@@ -213,8 +213,10 @@ sway_cmd input_cmd_scroll_button;
 sway_cmd input_cmd_scroll_method;
 sway_cmd input_cmd_tap;
 sway_cmd input_cmd_tap_button_map;
+sway_cmd input_cmd_xkb_capslock;
 sway_cmd input_cmd_xkb_layout;
 sway_cmd input_cmd_xkb_model;
+sway_cmd input_cmd_xkb_numlock;
 sway_cmd input_cmd_xkb_options;
 sway_cmd input_cmd_xkb_rules;
 sway_cmd input_cmd_xkb_variant;

include/sway/config.h

@@ -101,6 +101,9 @@ struct input_config {
 	char *xkb_rules;
 	char *xkb_variant;
 
+	int xkb_numlock;
+	int xkb_capslock;
+
 	struct input_config_mapped_from_region *mapped_from_region;
 	char *mapped_to_output;
 

sway/commands/input.c

@@ -31,6 +31,12 @@ static struct cmd_handler input_handlers[] = {
 	{ "xkb_variant", input_cmd_xkb_variant },
 };
 
+// must be in order for the bsearch
+static struct cmd_handler input_config_handlers[] = {
+	{ "xkb_capslock", input_cmd_xkb_capslock },
+	{ "xkb_numlock", input_cmd_xkb_numlock },
+};
+
 struct cmd_results *cmd_input(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "input", EXPECTED_AT_LEAST, 2))) {
@@ -44,8 +50,21 @@ struct cmd_results *cmd_input(int argc, char **argv) {
 		return cmd_results_new(CMD_FAILURE, NULL, "Couldn't allocate config");
 	}
 
-	struct cmd_results *res = config_subcommand(argv + 1, argc - 1,
+	struct cmd_results *res;
+
+	if (find_handler(argv[1], input_config_handlers,
+			sizeof(input_config_handlers))) {
+		if (config->reading) {
+			res = config_subcommand(argv + 1, argc - 1,
+				input_config_handlers, sizeof(input_config_handlers));
+		} else {
+			res = cmd_results_new(CMD_FAILURE, "input",
+				"Can only be used in config file.");
+		}
+	} else {
+		res = config_subcommand(argv + 1, argc - 1,
 			input_handlers, sizeof(input_handlers));
+	}
 
 	free_input_config(config->handler_context.input_config);
 	config->handler_context.input_config = NULL;

sway/commands/input/xkb_capslock.c

@@ -0,0 +1,33 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/config.h"
+#include "sway/commands.h"
+#include "sway/input/input-manager.h"
+
+struct cmd_results *input_cmd_xkb_capslock(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "xkb_capslock", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	struct input_config *current_input_config =
+		config->handler_context.input_config;
+	if (!current_input_config) {
+		return cmd_results_new(CMD_FAILURE, "xkb_capslock", 
+			"No input device defined.");
+	}
+	struct input_config *new_config =
+		new_input_config(current_input_config->identifier);
+
+	if (strcasecmp(argv[0], "enabled") == 0) {
+		new_config->xkb_capslock = 1;
+	} else if (strcasecmp(argv[0], "disabled") == 0) {
+		new_config->xkb_capslock = 0; 
+	} else {
+		free_input_config(new_config);
+		return cmd_results_new(CMD_INVALID, "xkb_capslock",
+			"Expected 'xkb_capslock <enabled|disabled>'");
+	}
+
+	apply_input_config(new_config);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/commands/input/xkb_numlock.c

@@ -0,0 +1,33 @@
+#include <string.h>
+#include <strings.h>
+#include "sway/config.h"
+#include "sway/commands.h"
+#include "sway/input/input-manager.h"
+
+struct cmd_results *input_cmd_xkb_numlock(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "xkb_numlock", EXPECTED_AT_LEAST, 1))) {
+		return error;
+	}
+	struct input_config *current_input_config =
+		config->handler_context.input_config;
+	if (!current_input_config) {
+		return cmd_results_new(CMD_FAILURE, "xkb_numlock", 
+			"No input device defined.");
+	}
+	struct input_config *new_config =
+		new_input_config(current_input_config->identifier);
+
+	if (strcasecmp(argv[0], "enabled") == 0) {
+		new_config->xkb_numlock = 1;
+	} else if (strcasecmp(argv[0], "disabled") == 0) {
+		new_config->xkb_numlock = 0; 
+	} else {
+		free_input_config(new_config);
+		return cmd_results_new(CMD_INVALID, "xkb_numlock",
+			"Expected 'xkb_numlock <enabled|disabled>'");
+	}
+
+	apply_input_config(new_config);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}

sway/config/input.c

@@ -33,6 +33,8 @@ struct input_config *new_input_config(const char* identifier) {
 	input->left_handed = INT_MIN;
 	input->repeat_delay = INT_MIN;
 	input->repeat_rate = INT_MIN;
+	input->xkb_numlock = INT_MIN;
+	input->xkb_capslock = INT_MIN;
 
 	return input;
 }
@@ -104,6 +106,12 @@ void merge_input_config(struct input_config *dst, struct input_config *src) {
 		free(dst->xkb_variant);
 		dst->xkb_variant = strdup(src->xkb_variant);
 	}
+	if (src->xkb_numlock != INT_MIN) {
+		dst->xkb_numlock = src->xkb_numlock;
+	}
+	if (src->xkb_capslock != INT_MIN) {
+		dst->xkb_capslock = src->xkb_capslock;
+	}
 	if (src->mapped_from_region) {
 		free(dst->mapped_from_region);
 		dst->mapped_from_region =

sway/input/keyboard.c

@@ -3,6 +3,7 @@
 #include <wlr/backend/multi.h>
 #include <wlr/backend/session.h>
 #include <wlr/types/wlr_idle.h>
+#include <wlr/interfaces/wlr_keyboard.h>
 #include "sway/commands.h"
 #include "sway/desktop/transaction.h"
 #include "sway/input/input-manager.h"
@@ -385,6 +386,31 @@ void sway_keyboard_configure(struct sway_keyboard *keyboard) {
 	keyboard->keymap = keymap;
 	wlr_keyboard_set_keymap(wlr_device->keyboard, keyboard->keymap);
 
+	xkb_mod_mask_t locked_mods = 0;
+	if (!input_config || input_config->xkb_numlock != 0) {
+		xkb_mod_index_t mod_index = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_NUM);
+		if (mod_index != XKB_MOD_INVALID) {
+		       locked_mods |= (uint32_t)1 << mod_index;
+		}
+	}
+	if (input_config && input_config->xkb_capslock > 0) {
+		xkb_mod_index_t mod_index = xkb_map_mod_get_index(keymap, XKB_MOD_NAME_CAPS);
+		if (mod_index != XKB_MOD_INVALID) {
+		       locked_mods |= (uint32_t)1 << mod_index;
+		}
+	}
+	if (locked_mods) {
+		wlr_keyboard_notify_modifiers(wlr_device->keyboard, 0, 0, locked_mods, 0);
+		uint32_t leds = 0;
+		for (uint32_t i = 0; i < WLR_LED_COUNT; ++i) {
+			if (xkb_state_led_index_is_active(wlr_device->keyboard->xkb_state,
+					wlr_device->keyboard->led_indexes[i])) {
+				leds |= (1 << i);
+			}
+		}
+		wlr_keyboard_led_update(wlr_device->keyboard, leds);
+	}
+
 	if (input_config && input_config->repeat_delay != INT_MIN
 			&& input_config->repeat_rate != INT_MIN) {
 		wlr_keyboard_set_repeat_info(wlr_device->keyboard,

sway/meson.build

@@ -128,8 +128,10 @@ sway_sources = files(
 	'commands/input/scroll_method.c',
 	'commands/input/tap.c',
 	'commands/input/tap_button_map.c',
+	'commands/input/xkb_capslock.c',
 	'commands/input/xkb_layout.c',
 	'commands/input/xkb_model.c',
+	'commands/input/xkb_numlock.c',
 	'commands/input/xkb_options.c',
 	'commands/input/xkb_rules.c',
 	'commands/input/xkb_variant.c',

sway/sway-input.5.scd

@@ -33,6 +33,14 @@ For more information on these xkb configuration options, see
 *input* <identifier> xkb\_variant <variant>
 	Sets the variant of the keyboard like _dvorak_ or _colemak_.
 
+The following commands may only be used in the configuration file.
+
+*input* <identifier> xkb\_capslock enabled|disabled
+	Initially enables or disables CapsLock, the default is disabled.
+
+*input* <identifier> xkb\_numlock enabled|disabled
+	Initially enables or disables NumLock, the default is enabled.
+
 ## MAPPING CONFIGURATION
 
 *input* <identifier> map\_to\_output <identifier>