Only send modifier event once for active modifiers

This makes sure that a modifier event is only sent for active bar
modifiers, and that it is only sent once for each of those modifiers.

An active bar modifier is a modifier defined for a bar with `mode hide`
and `hidden_state hide`.

1 files changed, 31 insertions, 0 deletions

diff --git a/sway/config.c b/sway/config.c
index 87b1342d..95d8f339 100644
--- a/sway/config.c
+++ b/sway/config.c
@@ -103,6 +103,8 @@ static void free_config(struct sway_config *config) {
 		free_output_config(config->output_configs->items[i]);
 	}
 	list_free(config->output_configs);
+
+	list_free(config->active_bar_modifiers);
 	free(config);
 }
 
@@ -145,6 +147,33 @@ static void config_defaults(struct sway_config *config) {
 	config->edge_gaps = true;
 	config->gaps_inner = 0;
 	config->gaps_outer = 0;
+
+	config->active_bar_modifiers = create_list();
+}
+
+static int compare_modifiers(const void *left, const void *right) {
+	uint32_t a = *(uint32_t *)left;
+	uint32_t b = *(uint32_t *)right;
+
+	return a - b;
+}
+
+void update_active_bar_modifiers() {
+	if (config->active_bar_modifiers->length > 0) {
+		list_free(config->active_bar_modifiers);
+		config->active_bar_modifiers = create_list();
+	}
+
+	struct bar_config *bar;
+	int i;
+	for (i = 0; i < config->bars->length; ++i) {
+		bar = config->bars->items[i];
+		if (strcmp(bar->mode, "hide") == 0 && strcmp(bar->hidden_state, "hide") == 0) {
+			if (list_seq_find(config->active_bar_modifiers, compare_modifiers, &bar->modifier) < 0) {
+				list_add(config->active_bar_modifiers, &bar->modifier);
+			}
+		}
+	}
 }
 
 static char *get_config_path(void) {
@@ -215,6 +244,8 @@ bool load_config(const char *file) {
 	}
 	fclose(f);
 
+	update_active_bar_modifiers();
+
 	return config_load_success;
 }