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;
 }