Create AppImages

[geeqie.git] / src / main.c

diff --git a/src/main.c b/src/main.c
index 14c0a7f..a70b7fa 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -69,6 +69,14 @@
 gboolean thumb_format_changed = FALSE;
 static RemoteConnection *remote_connection = NULL;
 
+gchar *gq_prefix;
+gchar *gq_localedir;
+gchar *gq_helpdir;
+gchar *gq_htmldir;
+gchar *gq_app_dir;
+gchar *gq_bin_dir;
+gchar *desktop_file_template;
+
 /*
  *-----------------------------------------------------------------------------
  * keyboard functions
@@ -609,7 +617,7 @@ static gboolean parse_command_line_for_clutter_option(gint argc, gchar *argv[])
 static void setup_env_path(void)
 {
        const gchar *old_path = g_getenv("PATH");
-       gchar *path = g_strconcat(GQ_BIN_DIR, ":", old_path, NULL);
+       gchar *path = g_strconcat(gq_bin_dir, ":", old_path, NULL);
         g_setenv("PATH", path, TRUE);
        g_free(path);
 }
@@ -921,6 +929,46 @@ static void setup_sigbus_handler(void)
 #endif
 }
 
+/**
+ * @brief Set up the application paths
+ * 
+ * This function is required for use of AppImages. AppImages are
+ * relocatable, and therefore cannot use fixed paths to various components.
+ * These paths were originally #defines created during compilation.
+ * They are now variables, all defined relative to one level above the
+ * directory that the executable is run from.
+ */
+static void create_application_paths()
+{
+       gchar buf[1024];
+       gchar *dirname;
+       gchar *basename;
+       gchar *tmp;
+
+       memset(buf, 0, sizeof(buf));
+       if (readlink("/proc/self/exe", buf, sizeof(buf) - 1) < 0)
+               {
+               /* There was an error. Perhaps the path does not exist
+                * or the buffer is not big enough. */
+               log_printf("Can't get path from /proc/self/exe");
+               exit(1);
+               }
+
+       dirname = g_path_get_dirname(buf); // default is /usr/bin/
+       gq_prefix = g_path_get_dirname(dirname);
+
+       gq_localedir = g_build_filename(gq_prefix, "share", "locale", NULL);
+       tmp = g_build_filename(gq_prefix, "share", "doc", NULL);
+       gq_helpdir = g_strconcat(tmp, G_DIR_SEPARATOR_S, "geeqie-", VERSION, NULL);
+       gq_htmldir = g_build_filename(gq_helpdir, "html", NULL);
+       gq_app_dir = g_build_filename(gq_prefix, "share", "geeqie", NULL);
+       gq_bin_dir = g_build_filename(gq_prefix, "lib", "geeqie", NULL);
+       desktop_file_template = g_build_filename(gq_app_dir, "template.desktop", NULL);
+
+       g_free(tmp);
+       g_free(dirname);
+}
+
 gint main(gint argc, gchar *argv[])
 {
        CollectionData *first_collection = NULL;
@@ -942,11 +990,13 @@ gint main(gint argc, gchar *argv[])
        /* init execution time counter (debug only) */
        init_exec_time();
 
+       create_application_paths();
+
        /* setup locale, i18n */
        setlocale(LC_ALL, "");
 
 #ifdef ENABLE_NLS
-       bindtextdomain(PACKAGE, GQ_LOCALEDIR);
+       bindtextdomain(PACKAGE, gq_localedir);
        bind_textdomain_codeset(PACKAGE, "UTF-8");
        textdomain(PACKAGE);
 #endif