From 57aee700f731262e771ae33c4128aa1385878143 Mon Sep 17 00:00:00 2001
From: Jens Peters <jp7677@gmail.com>
Date: Mon, 18 Nov 2024 19:03:39 +0100
Subject: [PATCH] sfdo: add sfdo_desktop_entry_name_lookup()

---
 include/desktop-entry.h | 11 +++++++++++
 src/desktop-entry.c     | 40 +++++++++++++++++++++++++++++++++++-----
 2 files changed, 46 insertions(+), 5 deletions(-)

diff --git a/include/desktop-entry.h b/include/desktop-entry.h
index 30db1546..42b47081 100644
--- a/include/desktop-entry.h
+++ b/include/desktop-entry.h
@@ -6,7 +6,18 @@ struct server;
 
 void desktop_entry_init(struct server *server);
 void desktop_entry_finish(struct server *server);
+
 struct lab_data_buffer *desktop_entry_icon_lookup(struct server *server,
 	const char *app_id, int size, float scale);
 
+/**
+ * desktop_entry_name_lookup() - return the application name
+ * from the sfdo desktop entry database based on app_id
+ *
+ * The lifetime of the returned value is the same as that
+ * of sfdo_desktop_db (from `struct sfdo.desktop_db`)
+ */
+const char *desktop_entry_name_lookup(struct server *server,
+	const char *app_id);
+
 #endif /* LABWC_DESKTOP_ENTRY_H */
diff --git a/src/desktop-entry.c b/src/desktop-entry.c
index d51451ed..404bc989 100644
--- a/src/desktop-entry.c
+++ b/src/desktop-entry.c
@@ -255,6 +255,18 @@ get_db_entry_by_id_fuzzy(struct sfdo_desktop_db *db, const char *app_id)
 	return NULL;
 }
 
+static struct sfdo_desktop_entry *
+get_desktop_entry(struct sfdo *sfdo, const char *app_id)
+{
+	struct sfdo_desktop_entry *entry = sfdo_desktop_db_get_entry_by_id(
+		sfdo->desktop_db, app_id, SFDO_NT);
+	if (!entry) {
+		entry = get_db_entry_by_id_fuzzy(sfdo->desktop_db, app_id);
+	}
+
+	return entry;
+}
+
 struct lab_data_buffer *
 desktop_entry_icon_lookup(struct server *server, const char *app_id, int size,
 		float scale)
@@ -265,11 +277,7 @@ desktop_entry_icon_lookup(struct server *server, const char *app_id, int size,
 	}
 
 	const char *icon_name = NULL;
-	struct sfdo_desktop_entry *entry = sfdo_desktop_db_get_entry_by_id(
-		sfdo->desktop_db, app_id, SFDO_NT);
-	if (!entry) {
-		entry = get_db_entry_by_id_fuzzy(sfdo->desktop_db, app_id);
-	}
+	struct sfdo_desktop_entry *entry = get_desktop_entry(sfdo, app_id);
 	if (entry) {
 		icon_name = sfdo_desktop_entry_get_icon(entry, NULL);
 	}
@@ -321,3 +329,25 @@ desktop_entry_icon_lookup(struct server *server, const char *app_id, int size,
 	free(ctx.path);
 	return icon_buffer;
 }
+
+const char *
+desktop_entry_name_lookup(struct server *server, const char *app_id)
+{
+	struct sfdo *sfdo = server->sfdo;
+	if (!sfdo) {
+		return NULL;
+	}
+
+	struct sfdo_desktop_entry *entry = get_desktop_entry(sfdo, app_id);
+	if (!entry) {
+		return NULL;
+	}
+
+	size_t len;
+	const char *name = sfdo_desktop_entry_get_name(entry, &len);
+	if (!len) {
+		return NULL;
+	}
+
+	return name;
+}