Added bar_cmd_bindsym

Defined a sway_mouse_binding for clicks on the swaybar

include/config.h

@@ -26,6 +26,14 @@ struct sway_binding {
 	char *command;
 };
 
+/**
+ * A mouse binding and an associated command.
+ */
+struct sway_mouse_binding {
+	uint32_t button;
+	char *command;
+};
+
 /**
  * A "mode" of keybindings created via the `mode` command.
  */
@@ -81,6 +89,7 @@ struct bar_config {
 	char *id;
 	uint32_t modifier;
 	enum desktop_shell_panel_position position;
+	list_t *bindings;
 	char *status_command;
 	char *font;
 	int bar_height;
@@ -163,6 +172,10 @@ int sway_binding_cmp(const void *a, const void *b);
 int sway_binding_cmp_keys(const void *a, const void *b);
 void free_sway_binding(struct sway_binding *sb);
 
+int sway_mouse_binding_cmp(const void *a, const void *b);
+int sway_mouse_binding_cmp_buttons(const void *a, const void *b);
+void free_sway_mouse_binding(struct sway_mouse_binding *smb);
+
 /**
  * Global config singleton.
  */

sway/commands.c

@@ -65,6 +65,7 @@ static sway_cmd cmd_sticky;
 static sway_cmd cmd_workspace;
 static sway_cmd cmd_ws_auto_back_and_forth;
 
+static sway_cmd bar_cmd_bindsym;
 static sway_cmd bar_cmd_mode;
 static sway_cmd bar_cmd_hidden_state;
 static sway_cmd bar_cmd_id;
@@ -1132,6 +1133,7 @@ static struct cmd_results *cmd_bar(int argc, char **argv) {
 	bar->hidden_state = strdup(config->bar.hidden_state);
 	bar->modifier = config->bar.modifier;
 	bar->position = config->bar.position;
+	bar->bindings = create_list();
 	bar->status_command = strdup(config->bar.status_command);
 	bar->font = strdup(config->bar.font);
 	bar->bar_height = config->bar.bar_height;
@@ -1539,6 +1541,44 @@ static struct cmd_handler handlers[] = {
 	{ "workspace_auto_back_and_forth", cmd_ws_auto_back_and_forth },
 };
 
+static struct cmd_results *bar_cmd_bindsym(int argc, char **argv) {
+	struct cmd_results *error = NULL;
+	if ((error = checkarg(argc, "bindsym", EXPECTED_MORE_THAN, 1))) {
+		return error;
+	} else if (!config->reading) {
+		return cmd_results_new(CMD_FAILURE, "bindsym", "Can only be used in config file.");
+	}
+
+	if (!config->current_bar) {
+		return cmd_results_new(CMD_FAILURE, "bindsym", "No bar defined.");
+	}
+
+	if (strlen(argv[1]) != 7) {
+		return cmd_results_new(CMD_INVALID, "bindsym", "Invalid mouse binding %s", argv[1]);
+	}
+	uint32_t numbutton = (uint32_t)atoi(argv[1] + 6);
+	if (numbutton < 1 || numbutton > 5 || strncmp(argv[1], "button", 6) != 0) {
+		return cmd_results_new(CMD_INVALID, "bindsym", "Invalid mouse binding %s", argv[1]);
+	}
+	struct sway_mouse_binding *binding = malloc(sizeof(struct sway_mouse_binding));
+	binding->button = numbutton;
+	binding->command = join_args(argv + 1, argc - 1);
+
+	struct bar_config *bar = config->current_bar;
+	int i = list_seq_find(bar->bindings, sway_mouse_binding_cmp_buttons, binding);
+	if (i > -1) {
+		sway_log(L_DEBUG, "bindsym - '%s' for swaybar already exists, overwriting", argv[0]);
+		struct sway_mouse_binding *dup = bar->bindings->items[i];
+		free_sway_mouse_binding(dup);
+		list_del(bar->bindings, i);
+	}
+	list_add(bar->bindings, binding);
+	list_sort(bar->bindings, sway_mouse_binding_cmp);
+
+	sway_log(L_DEBUG, "bindsym - Bound %s to command %s when clicking swaybar", argv[0], binding->command);
+	return cmd_results_new(CMD_SUCCESS, NULL, NULL);
+}
+
 static struct cmd_results *bar_cmd_hidden_state(int argc, char **argv) {
 	struct cmd_results *error = NULL;
 	if ((error = checkarg(argc, "hidden_state", EXPECTED_EQUAL_TO, 1))) {
@@ -1723,7 +1763,7 @@ static struct cmd_results *bar_cmd_workspace_buttons(int argc, char **argv) {
 
 static struct cmd_handler bar_handlers[] = {
 	{ "binding_mode_indicator", NULL },
-	{ "bindsym", NULL },
+	{ "bindsym", bar_cmd_bindsym },
 	{ "colors", NULL },
 	{ "font", NULL },
 	{ "hidden_state", bar_cmd_hidden_state },

sway/config.c

@@ -519,3 +519,30 @@ void free_sway_binding(struct sway_binding *binding) {
 	}
 	free(binding);
 }
+
+int sway_mouse_binding_cmp_buttons(const void *a, const void *b) {
+	const struct sway_mouse_binding *binda = a, *bindb = b;
+	if (binda->button > bindb->button) {
+		return 1;
+	}
+	if (binda->button < bindb->button) {
+		return -1;
+	}
+	return 0;
+}
+
+int sway_mouse_binding_cmp(const void *a, const void *b) {
+	int cmp = 0;
+	if ((cmp = sway_binding_cmp_keys(a, b)) != 0) {
+		return cmp;
+	}
+	const struct sway_mouse_binding *binda = a, *bindb = b;
+	return lenient_strcmp(binda->command, bindb->command);
+}
+
+void free_sway_mouse_binding(struct sway_mouse_binding *binding) {
+	if (binding->command) {
+		free(binding->command);
+	}
+	free(binding);
+}