add plugin engine (supports C and Perl plugins)

[chaz/homebank] / src / homebank.c

diff --git a/src/homebank.c b/src/homebank.c
index c452bdd263d1b2a0c031c9600674e0eaeb38e0a8..106b8ecb90e5e7d97dcb0a521aad1aa48c6f8229 100644 (file)
--- a/src/homebank.c
+++ b/src/homebank.c
@@ -18,6 +18,7 @@
  */
 
 #include "homebank.h"
+#include "ext.h"
 
 #include "dsp_mainwindow.h"
 #include "hb-preferences.h"
@@ -52,6 +53,7 @@ static gchar *pixmaps_dir  = NULL;
 static gchar *locale_dir   = NULL;
 static gchar *help_dir     = NULL;
 static gchar *datas_dir    = NULL;
+static gchar *pkglib_dir   = NULL;
 
 
 //#define MARKUP_STRING "<span size='small'>%s</span>"
@@ -543,7 +545,8 @@ homebank_register_stock_icons()
                "prf-display",
                "prf-euro",
                "prf-report",
-               "prf-import"
+               "prf-import",
+               "prf-plugins"
        };
 
        factory = gtk_icon_factory_new ();
@@ -635,6 +638,12 @@ homebank_app_get_datas_dir (void)
        return datas_dir;
 }
 
+const gchar *
+homebank_app_get_pkglib_dir (void)
+{
+       return pkglib_dir;
+}
+
 
 /* build package paths at runtime */
 static void
@@ -651,6 +660,7 @@ build_package_paths (void)
        pixmaps_dir  = g_build_filename (prefix, "share", PACKAGE, "icons", NULL);
        help_dir     = g_build_filename (prefix, "share", PACKAGE, "help", NULL);
        datas_dir    = g_build_filename (prefix, "share", PACKAGE, "datas", NULL);
+       pkglib_dir   = g_build_filename (prefix, "lib", PACKAGE, NULL);
 #ifdef PORTABLE_APP
        DB( g_print("- app is portable under windows\n") );
        config_dir   = g_build_filename(prefix, "config", NULL);
@@ -664,8 +674,9 @@ build_package_paths (void)
        pixmaps_dir  = g_build_filename (DATA_DIR, PACKAGE, "icons", NULL);
        help_dir     = g_build_filename (DATA_DIR, PACKAGE, "help", NULL);
        datas_dir    = g_build_filename (DATA_DIR, PACKAGE, "datas", NULL);
-       config_dir   = g_build_filename(g_get_user_config_dir(), HB_DATA_PATH, NULL);
-       
+       config_dir   = g_build_filename (g_get_user_config_dir(), HB_DATA_PATH, NULL);
+       pkglib_dir   = g_build_filename (PKGLIB_DIR, NULL);
+
        //#870023 Ubuntu packages the help files in "/usr/share/doc/homebank-data/help/" for some strange reason
        if(! g_file_test(help_dir, (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR)))
        {
@@ -680,6 +691,7 @@ build_package_paths (void)
        DB( g_print("- locale_dir : %s\n", locale_dir) );
        DB( g_print("- help_dir   : %s\n", help_dir) );
        DB( g_print("- datas_dir  : %s\n", datas_dir) );
+       DB( g_print("- pkglib_dir : %s\n", pkglib_dir) );
 
 }
 
@@ -826,6 +838,7 @@ static void homebank_cleanup()
        g_free (pixmaps_dir);
        g_free (locale_dir);
        g_free (help_dir);
+       g_free (pkglib_dir);
 
 }
 
@@ -957,7 +970,7 @@ homebank_init_i18n (void)
 
 
 int
-main (int argc, char *argv[])
+main (int argc, char *argv[], char *env[])
 {
 GOptionContext *option_context;
 GOptionGroup *option_group;
@@ -1029,6 +1042,22 @@ gboolean openlast;
                /*  change the locale if a language is specified  */
                language_init (PREFS->language);
 
+               DB( g_print(" -> loading plugins\n") );
+               ext_init(&argc, &argv, &env);
+
+               GList* it;
+               for (it = PREFS->ext_whitelist; it; it = g_list_next(it)) {
+                       ext_load_plugin(it->data);
+               }
+
+               gchar** plugins = ext_list_plugins();
+               gchar** plugins_it;
+               for (plugins_it = plugins; *plugins_it; ++plugins_it) {
+                       gboolean loaded = ext_is_plugin_loaded(*plugins_it);
+                       g_print("found plugin: %s, loaded: %d\n", *plugins_it, loaded);
+               }
+               g_strfreev(plugins);
+
                if( PREFS->showsplash == TRUE )
                {
                        splash = homebank_construct_splash();
@@ -1054,6 +1083,9 @@ gboolean openlast;
 
                mainwin = (GtkWidget *)create_hbfile_window (NULL);
 
+               GValue mainwin_val = G_VALUE_INIT;
+               ext_hook("create_main_window", EXT_OBJECT(&mainwin_val, mainwin), NULL);
+
                if(mainwin)
                {
 
@@ -1134,11 +1166,17 @@ gboolean openlast;
                        /* update the mainwin display */
                        ui_mainwindow_update(mainwin, GINT_TO_POINTER(UF_TITLE+UF_SENSITIVE+UF_BALANCE+UF_VISUAL));
 
-               DB( g_print(" -> gtk_main()\n" ) );
+                       ext_hook("enter_main_loop", NULL);
 
+               DB( g_print(" -> gtk_main()\n" ) );
                        gtk_main ();
+
+                       ext_hook("exit_main_loop", NULL);
                }
 
+               DB( g_print(" -> unloading plugins\n") );
+               ext_term();
+
        }