/* * mooplugin.c * * Copyright (C) 2004-2006 by Yevgen Muntyan * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * See COPYING file that comes with this distribution. */ #ifdef HAVE_CONFIG_H #include #endif #include "mooedit/mooplugin.h" #include "mooedit/mooplugin-loader.h" #include "mooedit/moopluginprefs-glade.h" #include "mooedit/plugins/mooeditplugins.h" #include "moopython/moopython-builtin.h" #include "mooutils/mooprefsdialog.h" #include "mooutils/moostock.h" #include "mooutils/mooutils-misc.h" #include #include #include #ifdef __WIN32__ #include #endif #define PLUGIN_PREFS_ENABLED "enabled" typedef struct { MooEditor *editor; GSList *list; /* MooPlugin* */ GHashTable *names; char **dirs; gboolean dirs_read; GQuark plugin_quark; GQuark meths_quark; } PluginStore; static PluginStore *plugin_store = NULL; #define MOO_PLUGIN_QUARK plugin_store->plugin_quark #define MOO_PLUGIN_METHS_QUARK plugin_store->meths_quark static void plugin_store_init (void); static void plugin_store_add (MooPlugin *plugin); static void plugin_type_cleanup (GType type); static void moo_plugin_class_init (MooPluginClass *klass); static void some_plugin_class_init (gpointer klass); static gboolean plugin_init (MooPlugin *plugin); static void plugin_deinit (MooPlugin *plugin); static void plugin_attach_win (MooPlugin *plugin, MooEditWindow *window); static void plugin_detach_win (MooPlugin *plugin, MooEditWindow *window); static void plugin_attach_doc (MooPlugin *plugin, MooEditWindow *window, MooEdit *doc); static void plugin_detach_doc (MooPlugin *plugin, MooEditWindow *window, MooEdit *doc); static gboolean plugin_info_check (const MooPluginInfo *info); static char *make_prefs_key (MooPlugin *plugin, const char *key); static GQuark make_id_quark (MooPlugin *plugin); static MooWinPlugin *window_get_plugin (MooEditWindow *window, MooPlugin *plugin); static MooDocPlugin *doc_get_plugin (MooEdit *doc, MooPlugin *plugin); static void window_set_plugin (MooEditWindow *window, MooPlugin *plugin, MooWinPlugin *win_plugin); static void doc_set_plugin (MooEdit *doc, MooPlugin *plugin, MooDocPlugin *doc_plugin); static gboolean moo_plugin_registered (GType type); static gpointer parent_class = NULL; GType moo_plugin_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { static const GTypeInfo info = { sizeof (MooPluginClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) moo_plugin_class_init, (GClassFinalizeFunc) NULL, NULL, /* class_data */ sizeof (MooPlugin), 0, /* n_preallocs */ NULL, NULL /* value_table */ }; type = g_type_register_static (G_TYPE_OBJECT, "MooPlugin", &info, 0); } return type; } GType moo_win_plugin_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { static const GTypeInfo info = { sizeof (MooWinPluginClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) some_plugin_class_init, (GClassFinalizeFunc) NULL, NULL, /* class_data */ sizeof (MooWinPlugin), 0, /* n_preallocs */ NULL, NULL /* value_table */ }; type = g_type_register_static (G_TYPE_OBJECT, "MooWinPlugin", &info, 0); } return type; } GType moo_doc_plugin_get_type (void) { static GType type = 0; if (G_UNLIKELY (type == 0)) { static const GTypeInfo info = { sizeof (MooDocPluginClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) some_plugin_class_init, (GClassFinalizeFunc) NULL, NULL, /* class_data */ sizeof (MooDocPlugin), 0, /* n_preallocs */ NULL, NULL /* value_table */ }; type = g_type_register_static (G_TYPE_OBJECT, "MooDocPlugin", &info, 0); } return type; } static void some_plugin_class_init (gpointer klass) { parent_class = g_type_class_peek_parent (klass); } static void moo_plugin_finalize (GObject *object) { MooPlugin *plugin = MOO_PLUGIN (object); if (plugin->langs) g_hash_table_destroy (plugin->langs); g_free (plugin->id); moo_plugin_info_free (plugin->info); moo_plugin_params_free (plugin->params); G_OBJECT_CLASS(parent_class)->finalize (object); } static void moo_plugin_class_init (MooPluginClass *klass) { some_plugin_class_init (klass); G_OBJECT_CLASS(klass)->finalize = moo_plugin_finalize; } gboolean moo_plugin_register (const char *id, GType type, const MooPluginInfo *info, const MooPluginParams *params) { MooPluginClass *klass; MooPlugin *plugin; char *prefs_key; GSList *l, *windows; g_return_val_if_fail (id != NULL && id[0] != 0, FALSE); g_return_val_if_fail (g_utf8_validate (id, -1, NULL), FALSE); g_return_val_if_fail (g_type_is_a (type, MOO_TYPE_PLUGIN), FALSE); klass = g_type_class_ref (type); g_return_val_if_fail (klass != NULL, FALSE); if (moo_plugin_registered (type)) { g_warning ("%s: plugin '%s' already registered", G_STRLOC, g_type_name (type)); return FALSE; } if (!plugin_info_check (info)) { g_warning ("%s: invalid info in plugin '%s'", G_STRLOC, g_type_name (type)); return FALSE; } plugin = g_object_new (type, NULL); plugin->id = g_strdup (id); plugin->info = moo_plugin_info_copy ((MooPluginInfo*) info); plugin->params = params ? moo_plugin_params_copy ((MooPluginParams*) params) : moo_plugin_params_new (TRUE, TRUE); if (info->langs) { char **langs, **p; GHashTable *table; /* XXX */ langs = g_strsplit_set (info->langs, " \t\r\n", 0); table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); for (p = langs; p && *p; ++p) { char *lang_id; if (!**p) continue; lang_id = _moo_lang_id_from_name (*p); if (!g_hash_table_lookup (table, lang_id)) g_hash_table_insert (table, lang_id, lang_id); else g_free (lang_id); } if (!g_hash_table_size (table)) { g_warning ("%s: invalid langs string '%s'", G_STRLOC, info->langs); g_hash_table_destroy (table); } else { plugin->langs = table; } g_strfreev (langs); } if (moo_plugin_lookup (moo_plugin_id (plugin))) { _moo_message ("%s: plugin with id %s already registered", G_STRLOC, moo_plugin_id (plugin)); g_object_unref (plugin); return FALSE; } plugin->id_quark = make_id_quark (plugin); prefs_key = make_prefs_key (plugin, PLUGIN_PREFS_ENABLED); moo_prefs_new_key_bool (prefs_key, moo_plugin_enabled (plugin)); plugin->params->enabled = moo_prefs_get_bool (prefs_key); g_free (prefs_key); if (!plugin_init (plugin)) { g_object_unref (plugin); return FALSE; } plugin_store_add (plugin); windows = moo_editor_list_windows (plugin_store->editor); for (l = windows; l != NULL; l = l->next) plugin_attach_win (plugin, l->data); g_slist_free (windows); return TRUE; } static gboolean plugin_init (MooPlugin *plugin) { MooPluginClass *klass; g_return_val_if_fail (MOO_IS_PLUGIN (plugin), FALSE); if (!moo_plugin_enabled (plugin) || plugin->initialized) return TRUE; klass = MOO_PLUGIN_GET_CLASS (plugin); if (!klass->init || klass->init (plugin)) { plugin->initialized = TRUE; return TRUE; } else { return FALSE; } } static void plugin_deinit (MooPlugin *plugin) { MooPluginClass *klass; g_return_if_fail (MOO_IS_PLUGIN (plugin)); if (!plugin->initialized) return; klass = MOO_PLUGIN_GET_CLASS (plugin); if (klass->deinit) klass->deinit (plugin); plugin->initialized = FALSE; } static void plugin_attach_win (MooPlugin *plugin, MooEditWindow *window) { MooPluginClass *klass; MooWinPluginClass *wklass; MooWinPlugin *win_plugin; GType wtype; GSList *l, *docs; g_return_if_fail (MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_PLUGIN (plugin)); if (!moo_plugin_enabled (plugin)) return; klass = MOO_PLUGIN_GET_CLASS (plugin); if (klass->attach_win) klass->attach_win (plugin, window); wtype = plugin->win_plugin_type; if (wtype && g_type_is_a (wtype, MOO_TYPE_WIN_PLUGIN)) { win_plugin = g_object_new (wtype, NULL); g_return_if_fail (win_plugin != NULL); win_plugin->plugin = plugin; win_plugin->window = window; wklass = MOO_WIN_PLUGIN_GET_CLASS (win_plugin); if (!wklass->create || wklass->create (win_plugin)) window_set_plugin (window, plugin, win_plugin); else g_object_unref (win_plugin); } docs = moo_edit_window_list_docs (window); for (l = docs; l != NULL; l = l->next) plugin_attach_doc (plugin, window, l->data); g_slist_free (docs); } static void plugin_detach_win (MooPlugin *plugin, MooEditWindow *window) { MooPluginClass *klass; MooWinPluginClass *wklass; MooWinPlugin *win_plugin; GSList *l, *docs; g_return_if_fail (MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_PLUGIN (plugin)); if (!moo_plugin_enabled (plugin)) return; docs = moo_edit_window_list_docs (window); for (l = docs; l != NULL; l = l->next) plugin_detach_doc (plugin, window, l->data); g_slist_free (docs); win_plugin = window_get_plugin (window, plugin); if (win_plugin) { wklass = MOO_WIN_PLUGIN_GET_CLASS (win_plugin); if (wklass->destroy) wklass->destroy (win_plugin); g_object_unref (win_plugin); window_set_plugin (window, plugin, NULL); } klass = MOO_PLUGIN_GET_CLASS (plugin); if (klass->detach_win) klass->detach_win (plugin, window); } static void plugin_attach_doc (MooPlugin *plugin, MooEditWindow *window, MooEdit *doc) { MooPluginClass *klass; MooDocPluginClass *dklass; MooDocPlugin *doc_plugin; GType dtype; g_return_if_fail (!window || MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_EDIT (doc)); g_return_if_fail (MOO_IS_PLUGIN (plugin)); if (!moo_plugin_enabled (plugin)) return; /* XXX ! */ if (plugin->langs) { MooLang *lang; const char *id; lang = moo_text_view_get_lang (MOO_TEXT_VIEW (doc)); id = _moo_lang_id (lang); if (!g_hash_table_lookup (plugin->langs, id)) return; } plugin->docs = g_slist_prepend (plugin->docs, doc); klass = MOO_PLUGIN_GET_CLASS (plugin); if (klass->attach_doc) klass->attach_doc (plugin, doc, window); dtype = plugin->doc_plugin_type; if (dtype && g_type_is_a (dtype, MOO_TYPE_DOC_PLUGIN)) { doc_plugin = g_object_new (dtype, NULL); g_return_if_fail (doc_plugin != NULL); doc_plugin->plugin = plugin; doc_plugin->window = window; doc_plugin->doc = doc; dklass = MOO_DOC_PLUGIN_GET_CLASS (doc_plugin); if (!dklass->create || dklass->create (doc_plugin)) doc_set_plugin (doc, plugin, doc_plugin); else g_object_unref (doc_plugin); } } static void plugin_detach_doc (MooPlugin *plugin, MooEditWindow *window, MooEdit *doc) { MooPluginClass *klass; MooDocPluginClass *dklass; MooDocPlugin *doc_plugin; g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (!window || MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_EDIT (doc)); if (!moo_plugin_enabled (plugin)) return; if (!g_slist_find (plugin->docs, doc)) return; plugin->docs = g_slist_remove (plugin->docs, doc); doc_plugin = doc_get_plugin (doc, plugin); if (doc_plugin) { dklass = MOO_DOC_PLUGIN_GET_CLASS (doc_plugin); if (dklass->destroy) dklass->destroy (doc_plugin); g_object_unref (doc_plugin); doc_set_plugin (doc, plugin, NULL); } klass = MOO_PLUGIN_GET_CLASS (plugin); if (klass->detach_doc) klass->detach_doc (plugin, doc, window); } static MooWinPlugin* window_get_plugin (MooEditWindow *window, MooPlugin *plugin) { g_return_val_if_fail (MOO_IS_EDIT_WINDOW (window), NULL); g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); return g_object_get_qdata (G_OBJECT (window), plugin->id_quark); } static MooDocPlugin* doc_get_plugin (MooEdit *doc, MooPlugin *plugin) { g_return_val_if_fail (MOO_IS_EDIT (doc), NULL); g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); return g_object_get_qdata (G_OBJECT (doc), plugin->id_quark); } static void window_set_plugin (MooEditWindow *window, MooPlugin *plugin, MooWinPlugin *win_plugin) { g_return_if_fail (MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (!win_plugin || MOO_IS_WIN_PLUGIN (win_plugin)); g_object_set_qdata (G_OBJECT (window), plugin->id_quark, win_plugin); } static void doc_set_plugin (MooEdit *doc, MooPlugin *plugin, MooDocPlugin *doc_plugin) { g_return_if_fail (MOO_IS_EDIT (doc)); g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (!doc_plugin || MOO_IS_DOC_PLUGIN (doc_plugin)); g_object_set_qdata (G_OBJECT (doc), plugin->id_quark, doc_plugin); } static void plugin_store_init (void) { if (G_UNLIKELY (!plugin_store)) { static PluginStore store; store.editor = moo_editor_instance (); store.list = NULL; store.names = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL); store.plugin_quark = g_quark_from_static_string ("moo-plugin"); store.meths_quark = g_quark_from_static_string ("moo-plugin-methods"); plugin_store = &store; } } static void plugin_store_add (MooPlugin *plugin) { g_return_if_fail (MOO_IS_PLUGIN (plugin)); plugin_store_init (); g_return_if_fail (!g_hash_table_lookup (plugin_store->names, moo_plugin_id (plugin))); plugin_store->list = g_slist_append (plugin_store->list, plugin); g_hash_table_insert (plugin_store->names, g_strdup (moo_plugin_id (plugin)), plugin); g_type_set_qdata (G_OBJECT_TYPE (plugin), MOO_PLUGIN_QUARK, plugin); } static void plugin_store_remove (MooPlugin *plugin) { g_return_if_fail (plugin_store != NULL); g_return_if_fail (MOO_IS_PLUGIN (plugin)); plugin_store->list = g_slist_remove (plugin_store->list, plugin); g_hash_table_remove (plugin_store->names, moo_plugin_id (plugin)); g_type_set_qdata (G_OBJECT_TYPE (plugin), MOO_PLUGIN_QUARK, NULL); plugin_type_cleanup (G_OBJECT_TYPE (plugin)); } MooPlugin* moo_plugin_get (GType type) { g_return_val_if_fail (g_type_is_a (type, MOO_TYPE_PLUGIN), NULL); plugin_store_init (); return g_type_get_qdata (type, MOO_PLUGIN_QUARK); } static gboolean moo_plugin_registered (GType type) { return moo_plugin_get (type) != NULL; } gpointer moo_win_plugin_lookup (const char *plugin_id, MooEditWindow *window) { MooPlugin *plugin; g_return_val_if_fail (plugin_id != NULL, NULL); g_return_val_if_fail (MOO_IS_EDIT_WINDOW (window), NULL); plugin = moo_plugin_lookup (plugin_id); return plugin ? window_get_plugin (window, plugin) : NULL; } gpointer moo_doc_plugin_lookup (const char *plugin_id, MooEdit *doc) { MooPlugin *plugin; g_return_val_if_fail (plugin_id != NULL, NULL); g_return_val_if_fail (MOO_IS_EDIT (doc), NULL); plugin = moo_plugin_lookup (plugin_id); return plugin ? doc_get_plugin (doc, plugin) : NULL; } static gboolean plugin_info_check (const MooPluginInfo *info) { return info && info->name && g_utf8_validate (info->name, -1, NULL) && info->description && g_utf8_validate (info->description, -1, NULL); } static char* make_prefs_key (MooPlugin *plugin, const char *key) { g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); g_return_val_if_fail (key != NULL, NULL); return moo_prefs_make_key (MOO_PLUGIN_PREFS_ROOT, moo_plugin_id (plugin), PLUGIN_PREFS_ENABLED, NULL); } static GQuark make_id_quark (MooPlugin *plugin) { char *string; GQuark quark; g_return_val_if_fail (MOO_IS_PLUGIN (plugin), 0); string = g_strdup_printf ("MooPlugin::%s", moo_plugin_id (plugin)); quark = g_quark_from_string (string); g_free (string); return quark; } gboolean moo_plugin_initialized (MooPlugin *plugin) { g_return_val_if_fail (MOO_IS_PLUGIN (plugin), FALSE); return plugin->initialized; } gboolean moo_plugin_enabled (MooPlugin *plugin) { g_return_val_if_fail (MOO_IS_PLUGIN (plugin), FALSE); return plugin->params->enabled; } static gboolean plugin_enable (MooPlugin *plugin) { GSList *l, *windows; g_return_val_if_fail (MOO_IS_PLUGIN (plugin), FALSE); if (moo_plugin_enabled (plugin)) return TRUE; g_assert (!plugin->initialized); plugin->params->enabled = TRUE; if (!plugin_init (plugin)) { plugin->params->enabled = FALSE; return FALSE; } windows = moo_editor_list_windows (plugin_store->editor); for (l = windows; l != NULL; l = l->next) plugin_attach_win (plugin, l->data); g_slist_free (windows); return TRUE; } static void plugin_disable (MooPlugin *plugin) { GSList *l, *windows; g_return_if_fail (MOO_IS_PLUGIN (plugin)); if (!moo_plugin_enabled (plugin)) return; g_assert (plugin->initialized); windows = moo_editor_list_windows (plugin_store->editor); for (l = windows; l != NULL; l = l->next) plugin_detach_win (plugin, l->data); g_slist_free (windows); plugin_deinit (plugin); plugin->params->enabled = FALSE; } gboolean moo_plugin_set_enabled (MooPlugin *plugin, gboolean enabled) { g_return_val_if_fail (MOO_IS_PLUGIN (plugin), FALSE); if (enabled) { return plugin_enable (plugin); } else { plugin_disable (plugin); return TRUE; } } void moo_plugin_unregister (GType type) { MooPlugin *plugin = moo_plugin_get (type); g_return_if_fail (plugin != NULL); moo_plugin_set_enabled (plugin, FALSE); plugin_store_remove (plugin); g_object_unref (plugin); } gboolean moo_module_check_version (guint major, guint minor) { return major == MOO_VERSION_MAJOR && minor <= MOO_VERSION_MINOR; } gpointer moo_plugin_lookup (const char *plugin_id) { g_return_val_if_fail (plugin_id != NULL, NULL); plugin_store_init (); return g_hash_table_lookup (plugin_store->names, plugin_id); } GSList* moo_list_plugins (void) { plugin_store_init (); return g_slist_copy (plugin_store->list); } #define DEFINE_GETTER(what) \ const char* \ moo_plugin_##what (MooPlugin *plugin) \ { \ g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); \ return plugin->info->what; \ } DEFINE_GETTER(name) DEFINE_GETTER(description) DEFINE_GETTER(version) DEFINE_GETTER(author) #undef DEFINE_GETTER const char * moo_plugin_id (MooPlugin *plugin) { g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); return plugin->id; } static void moo_plugin_read_dir (const char *path) { GDir *dir; const char *name; g_return_if_fail (path != NULL); dir = g_dir_open (path, 0, NULL); if (!dir) return; while ((name = g_dir_read_name (dir))) { if (g_str_has_suffix (name, ".ini")) { char *tmp = g_strdup (name); _moo_plugin_load (path, tmp); g_free (tmp); } } g_dir_close (dir); } char ** moo_plugin_get_dirs (void) { plugin_store_init (); return g_strdupv (plugin_store->dirs); } static void moo_plugin_init_builtin (void) { #ifndef __WIN32__ _moo_find_plugin_init (); #endif #if GTK_CHECK_VERSION(2,6,0) _moo_file_selector_plugin_init (); #endif #if 0 _moo_active_strings_plugin_init (); _moo_completion_plugin_init (); #endif } void moo_plugin_read_dirs (void) { char **d, **dirs; guint n_dirs; plugin_store_init (); if (plugin_store->dirs_read) return; plugin_store->dirs_read = TRUE; dirs = moo_get_data_subdirs (MOO_PLUGIN_DIR_BASENAME, MOO_DATA_LIB, &n_dirs); g_strfreev (plugin_store->dirs); plugin_store->dirs = dirs; moo_plugin_init_builtin (); #if MOO_USE_PYGTK #ifndef MOO_BUILD_PYTHON_MODULE /* XXX move it elsewhere */ _moo_python_init (); #endif #endif for (d = plugin_store->dirs; d && *d; ++d) moo_plugin_read_dir (*d); _moo_plugin_finish_load (); } void moo_plugin_shutdown (void) { GSList *list; if (!plugin_store || !plugin_store->dirs_read) return; list = g_slist_copy (plugin_store->list); g_slist_foreach (list, (GFunc) g_object_ref, NULL); while (list) { moo_plugin_unregister (G_OBJECT_TYPE (list->data)); g_object_unref (list->data); list = g_slist_delete_link (list, list); } /* XXX */ #if 0 && defined(MOO_USE_PYGTK) _moo_python_plugin_deinit (); #endif plugin_store->dirs_read = FALSE; plugin_store->editor = NULL; if (plugin_store->list) { g_critical ("%s: could not unregister all plugins", G_STRLOC); g_slist_free (plugin_store->list); plugin_store->list = NULL; } g_hash_table_destroy (plugin_store->names); plugin_store->names = NULL; g_strfreev (plugin_store->dirs); plugin_store->dirs = NULL; plugin_store = NULL; } void _moo_window_attach_plugins (MooEditWindow *window) { GSList *l; g_return_if_fail (MOO_IS_EDIT_WINDOW (window)); plugin_store_init (); for (l = plugin_store->list; l != NULL; l = l->next) plugin_attach_win (l->data, window); } void _moo_window_detach_plugins (MooEditWindow *window) { GSList *l; g_return_if_fail (MOO_IS_EDIT_WINDOW (window)); plugin_store_init (); for (l = plugin_store->list; l != NULL; l = l->next) plugin_detach_win (l->data, window); } static void doc_lang_changed (MooEdit *doc) { GSList *l; MooLang *lang; const char *id; MooEditWindow *window = NULL; g_return_if_fail (MOO_IS_EDIT (doc)); window = moo_edit_get_window (doc); lang = moo_text_view_get_lang (MOO_TEXT_VIEW (doc)); id = _moo_lang_id (lang); for (l = plugin_store->list; l != NULL; l = l->next) { MooPlugin *plugin = l->data; if (moo_plugin_enabled (plugin) && plugin->langs) { if (g_hash_table_lookup (plugin->langs, id)) plugin_attach_doc (plugin, window, doc); else plugin_detach_doc (plugin, window, doc); } } } void _moo_doc_attach_plugins (MooEditWindow *window, MooEdit *doc) { GSList *l; g_return_if_fail (!window || MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_EDIT (doc)); plugin_store_init (); g_signal_connect (doc, "config-notify::lang", G_CALLBACK (doc_lang_changed), plugin_store); for (l = plugin_store->list; l != NULL; l = l->next) plugin_attach_doc (l->data, window, doc); } void _moo_doc_detach_plugins (MooEditWindow *window, MooEdit *doc) { GSList *l; g_return_if_fail (MOO_IS_EDIT_WINDOW (window)); g_return_if_fail (MOO_IS_EDIT (doc)); plugin_store_init (); g_signal_handlers_disconnect_by_func (doc, (gpointer) doc_lang_changed, plugin_store); for (l = plugin_store->list; l != NULL; l = l->next) plugin_detach_doc (l->data, window, doc); } static gboolean moo_plugin_visible (MooPlugin *plugin) { g_return_val_if_fail (MOO_IS_PLUGIN (plugin), FALSE); return plugin->params->visible ? TRUE : FALSE; } void moo_plugin_set_info (MooPlugin *plugin, MooPluginInfo *info) { g_return_if_fail (MOO_IS_PLUGIN (plugin)); if (plugin->info != info) { moo_plugin_info_free (plugin->info); plugin->info = moo_plugin_info_copy (info); } } void moo_plugin_set_doc_plugin_type (MooPlugin *plugin, GType type) { g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (g_type_is_a (type, MOO_TYPE_DOC_PLUGIN)); plugin->doc_plugin_type = type; } void moo_plugin_set_win_plugin_type (MooPlugin *plugin, GType type) { g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (g_type_is_a (type, MOO_TYPE_WIN_PLUGIN)); plugin->win_plugin_type = type; } MooPluginInfo * moo_plugin_info_new (const char *name, const char *description, const char *author, const char *version, const char *langs) { MooPluginInfo *info; g_return_val_if_fail (name != NULL, NULL); info = g_new0 (MooPluginInfo, 1); info->name = g_strdup (name); info->description = description ? g_strdup (description) : g_strdup (""); info->author = author ? g_strdup (author) : g_strdup (""); info->version = version ? g_strdup (version) : g_strdup (""); info->langs = g_strdup (langs); return info; } MooPluginInfo * moo_plugin_info_copy (MooPluginInfo *info) { g_return_val_if_fail (info != NULL, NULL); return moo_plugin_info_new (info->name, info->description, info->author, info->version, info->langs); } void moo_plugin_info_free (MooPluginInfo *info) { if (info) { g_free (info->name); g_free (info->description); g_free (info->author); g_free (info->version); g_free (info->langs); g_free (info); } } MooPluginParams * moo_plugin_params_new (gboolean enabled, gboolean visible) { MooPluginParams *params = g_new0 (MooPluginParams, 1); params->enabled = enabled != 0; params->visible = visible != 0; return params; } MooPluginParams * moo_plugin_params_copy (MooPluginParams *params) { g_return_val_if_fail (params != NULL, NULL); return moo_plugin_params_new (params->enabled, params->visible); } void moo_plugin_params_free (MooPluginParams *params) { g_free (params); } GType moo_plugin_info_get_type (void) { static GType type; if (!type) type = g_boxed_type_register_static ("MooPluginInfo", (GBoxedCopyFunc) moo_plugin_info_copy, (GBoxedFreeFunc) moo_plugin_info_free); return type; } GType moo_plugin_params_get_type (void) { static GType type; if (!type) type = g_boxed_type_register_static ("MooPluginParams", (GBoxedCopyFunc) moo_plugin_params_copy, (GBoxedFreeFunc) moo_plugin_params_free); return type; } /***************************************************************************/ /* Preferences dialog */ enum { COLUMN_ENABLED, COLUMN_PLUGIN_ID, COLUMN_PLUGIN_NAME, N_COLUMNS }; static void selection_changed (GtkTreeSelection *selection, MooPrefsDialogPage *page) { MooPlugin *plugin = NULL; GtkTreeModel *model; GtkTreeIter iter; GtkWidget *info; GtkLabel *version, *author, *description; if (gtk_tree_selection_get_selected (selection, &model, &iter)) { char *id = NULL; gtk_tree_model_get (model, &iter, COLUMN_PLUGIN_ID, &id, -1); plugin = moo_plugin_lookup (id); g_free (id); } info = moo_glade_xml_get_widget (page->xml, "info"); author = moo_glade_xml_get_widget (page->xml, "author"); version = moo_glade_xml_get_widget (page->xml, "version"); description = moo_glade_xml_get_widget (page->xml, "description"); gtk_widget_set_sensitive (info, plugin != NULL); if (plugin) { gtk_label_set_text (author, moo_plugin_author (plugin)); gtk_label_set_text (version, moo_plugin_version (plugin)); gtk_label_set_text (description, moo_plugin_description (plugin)); } else { gtk_label_set_text (author, ""); gtk_label_set_text (version, ""); gtk_label_set_text (description, ""); } } static int cmp_page_and_id (GObject *page, const char *id) { const char *page_id = g_object_get_data (page, "moo-plugin-id"); return page_id ? strcmp (id, page_id) : 1; } static void sync_pages (MooPrefsDialog *dialog) { GSList *old_plugin_pages, *plugin_pages, *plugin_ids, *l, *plugins; plugins = moo_list_plugins (); plugin_ids = NULL; for (l = plugins; l != NULL; l = l->next) { MooPlugin *plugin = l->data; plugin_ids = g_slist_append (plugin_ids, g_strdup (moo_plugin_id (plugin))); } old_plugin_pages = g_object_get_data (G_OBJECT (dialog), "moo-plugin-prefs-pages"); plugin_pages = NULL; for (l = plugins; l != NULL; l = l->next) { MooPlugin *plugin = l->data; if (moo_plugin_enabled (plugin) && MOO_PLUGIN_GET_CLASS(plugin)->create_prefs_page) { GSList *link = g_slist_find_custom (old_plugin_pages, moo_plugin_id (l->data), (GCompareFunc) cmp_page_and_id); if (link) { plugin_pages = g_slist_append (plugin_pages, link->data); } else { GtkWidget *plugin_page = MOO_PLUGIN_GET_CLASS(plugin)->create_prefs_page (plugin); if (plugin_page) { if (!MOO_IS_PREFS_DIALOG_PAGE (plugin_page)) { g_critical ("%s: oops", G_STRLOC); } else { MOO_PREFS_DIALOG_PAGE (plugin_page)->auto_apply = FALSE; g_object_set_data_full (G_OBJECT (plugin_page), "moo-plugin-id", g_strdup (moo_plugin_id (plugin)), g_free); plugin_pages = g_slist_append (plugin_pages, plugin_page); moo_prefs_dialog_insert_page (dialog, plugin_page, -1); } } } } } for (l = old_plugin_pages; l != NULL; l = l->next) if (!g_slist_find (plugin_pages, l->data)) moo_prefs_dialog_remove_page (dialog, l->data); g_object_set_data_full (G_OBJECT (dialog), "moo-plugin-prefs-pages", plugin_pages, (GDestroyNotify) g_slist_free); g_slist_foreach (plugin_ids, (GFunc) g_free, NULL); g_slist_free (plugin_ids); g_slist_free (plugins); } static void prefs_init (MooPrefsDialog *dialog, MooPrefsDialogPage *page) { GtkTreeView *treeview; GtkListStore *store; GtkTreeModel *model; GSList *l, *plugins; treeview = moo_glade_xml_get_widget (page->xml, "treeview"); model = gtk_tree_view_get_model (treeview); store = GTK_LIST_STORE (model); gtk_list_store_clear (store); plugins = moo_list_plugins (); for (l = plugins; l != NULL; l = l->next) { GtkTreeIter iter; MooPlugin *plugin = l->data; if (moo_plugin_visible (plugin)) { gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, COLUMN_ENABLED, moo_plugin_enabled (plugin), COLUMN_PLUGIN_ID, moo_plugin_id (plugin), COLUMN_PLUGIN_NAME, moo_plugin_name (plugin), -1); } } selection_changed (gtk_tree_view_get_selection (treeview), page); g_slist_free (plugins); sync_pages (dialog); } static void prefs_apply (MooPrefsDialog *dialog, MooPrefsDialogPage *page) { GtkTreeView *treeview; GtkTreeModel *model; GtkTreeIter iter; GSList *plugin_pages; treeview = moo_glade_xml_get_widget (page->xml, "treeview"); model = gtk_tree_view_get_model (treeview); if (gtk_tree_model_get_iter_first (model, &iter)) do { MooPlugin *plugin; gboolean enabled; char *id = NULL; char *prefs_key; gtk_tree_model_get (model, &iter, COLUMN_ENABLED, &enabled, COLUMN_PLUGIN_ID, &id, -1); g_return_if_fail (id != NULL); plugin = moo_plugin_lookup (id); g_return_if_fail (plugin != NULL); moo_plugin_set_enabled (plugin, enabled); prefs_key = make_prefs_key (plugin, PLUGIN_PREFS_ENABLED); moo_prefs_set_bool (prefs_key, enabled); g_free (prefs_key); g_free (id); } while (gtk_tree_model_iter_next (model, &iter)); sync_pages (dialog); plugin_pages = g_object_get_data (G_OBJECT (dialog), "moo-plugin-prefs-pages"); while (plugin_pages) { g_signal_emit_by_name (plugin_pages->data, "apply"); plugin_pages = plugin_pages->next; } } static void enable_toggled (GtkCellRendererToggle *cell, gchar *tree_path, GtkListStore *store) { GtkTreePath *path = gtk_tree_path_new_from_string (tree_path); GtkTreeIter iter; if (gtk_tree_model_get_iter (GTK_TREE_MODEL (store), &iter, path)) gtk_list_store_set (store, &iter, COLUMN_ENABLED, !gtk_cell_renderer_toggle_get_active (cell), -1); gtk_tree_path_free (path); } void _moo_plugin_attach_prefs (GtkWidget *dialog) { MooPrefsDialogPage *page; MooGladeXML *xml; GtkTreeView *treeview; GtkCellRenderer *cell; GtkListStore *store; GtkTreeSelection *selection; g_return_if_fail (MOO_IS_PREFS_DIALOG (dialog)); page = moo_prefs_dialog_page_new_from_xml ("Plugins", MOO_STOCK_PLUGINS, NULL, MOO_PLUGIN_PREFS_GLADE_UI, "page", MOO_PLUGIN_PREFS_ROOT); g_return_if_fail (page != NULL); xml = page->xml; treeview = moo_glade_xml_get_widget (xml, "treeview"); selection = gtk_tree_view_get_selection (treeview); gtk_tree_selection_set_mode (selection, GTK_SELECTION_SINGLE); g_signal_connect (selection, "changed", G_CALLBACK (selection_changed), page); store = gtk_list_store_new (N_COLUMNS, G_TYPE_BOOLEAN, G_TYPE_STRING, G_TYPE_STRING); gtk_tree_view_set_model (treeview, GTK_TREE_MODEL (store)); g_object_unref (store); cell = gtk_cell_renderer_toggle_new (); g_object_set (cell, "activatable", TRUE, NULL); g_signal_connect (cell, "toggled", G_CALLBACK (enable_toggled), store); gtk_tree_view_insert_column_with_attributes (treeview, 0, "Enabled", cell, "active", COLUMN_ENABLED, NULL); cell = gtk_cell_renderer_text_new (); gtk_tree_view_insert_column_with_attributes (treeview, 1, "Plugin", cell, "text", COLUMN_PLUGIN_NAME, NULL); g_signal_connect (dialog, "init", G_CALLBACK (prefs_init), page); g_signal_connect (dialog, "apply", G_CALLBACK (prefs_apply), page); moo_prefs_dialog_append_page (MOO_PREFS_DIALOG (dialog), GTK_WIDGET (page)); } /*****************************************************************************/ /* MooPluginMeth */ static void plugin_type_cleanup (GType type) { gpointer meths_table; g_assert (g_type_is_a (type, MOO_TYPE_PLUGIN)); meths_table = g_type_get_qdata (type, MOO_PLUGIN_METHS_QUARK); if (meths_table) { g_hash_table_destroy (meths_table); g_type_set_qdata (type, MOO_PLUGIN_METHS_QUARK, NULL); } } MooPluginMeth * moo_plugin_lookup_method (gpointer plugin, const char *name) { GHashTable *meths; char *norm_name; MooPluginMeth *m = NULL; g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); g_return_val_if_fail (name != NULL, NULL); meths = g_type_get_qdata (G_OBJECT_TYPE (plugin), MOO_PLUGIN_METHS_QUARK); if (!meths) return NULL; norm_name = g_strdelimit (g_strdup (name), "_", '-'); m = g_hash_table_lookup (meths, norm_name); g_free (norm_name); return m; } static void prepend_meth_name (const char *name, G_GNUC_UNUSED gpointer meth, GSList **list) { *list = g_slist_prepend (*list, g_strdup (name)); } GSList * moo_plugin_list_methods (gpointer plugin) { GHashTable *meths; GSList *list = NULL; g_return_val_if_fail (MOO_IS_PLUGIN (plugin), NULL); meths = g_type_get_qdata (G_OBJECT_TYPE (plugin), MOO_PLUGIN_METHS_QUARK); if (!meths) return NULL; g_hash_table_foreach (meths, (GHFunc) prepend_meth_name, &list); return list; } void moo_plugin_call_method (gpointer plugin, const char *name, ...) { va_list args; g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (name != NULL); va_start (args, name); moo_plugin_call_method_valist (plugin, name, args); va_end (args); } #define MAX_STACK_VALUES (16) void moo_plugin_call_method_valist (gpointer plugin, const char *name, va_list var_args) { MooPluginMeth *meth; GValue *plugin_and_args, *args, *freeme = NULL; GValue stack_params[MAX_STACK_VALUES]; guint i; g_return_if_fail (MOO_IS_PLUGIN (plugin)); g_return_if_fail (name != NULL); meth = moo_plugin_lookup_method (plugin, name); if (!meth) { g_warning ("plugin '%s' does not have method '%s'", moo_plugin_id (plugin), name); return; } g_assert (meth->ptype == G_OBJECT_TYPE (plugin)); if (meth->n_params < MAX_STACK_VALUES) plugin_and_args = stack_params; else plugin_and_args = freeme = g_new (GValue, meth->n_params + 1); args = plugin_and_args + 1; for (i = 0; i < meth->n_params; i++) { char *error; GType type = meth->param_types[i] & ~G_SIGNAL_TYPE_STATIC_SCOPE; gboolean static_scope = meth->param_types[i] & G_SIGNAL_TYPE_STATIC_SCOPE; args[i].g_type = 0; g_value_init (args + i, type); G_VALUE_COLLECT (args + i, var_args, static_scope ? G_VALUE_NOCOPY_CONTENTS : 0, &error); if (error) { g_warning ("%s: %s", G_STRLOC, error); g_free (error); while (i--) g_value_unset (args + i); g_free (freeme); return; } } plugin_and_args->g_type = 0; g_value_init (plugin_and_args, G_OBJECT_TYPE (plugin)); g_value_set_object (plugin_and_args, plugin); if (meth->return_type == G_TYPE_NONE) { moo_plugin_call_methodv (plugin_and_args, name, NULL); } else { GValue return_val; char *error = NULL; GType type = meth->return_type & ~G_SIGNAL_TYPE_STATIC_SCOPE; gboolean static_scope = meth->return_type & G_SIGNAL_TYPE_STATIC_SCOPE; return_val.g_type = 0; g_value_init (&return_val, type); moo_plugin_call_methodv (plugin_and_args, name, &return_val); G_VALUE_LCOPY (&return_val, var_args, static_scope ? G_VALUE_NOCOPY_CONTENTS : 0, &error); if (!error) { g_value_unset (&return_val); } else { g_warning ("%s: %s", G_STRLOC, error); g_free (error); } } for (i = 0; i < meth->n_params + 1; i++) g_value_unset (plugin_and_args + i); g_free (freeme); } void moo_plugin_call_methodv (const GValue *plugin_and_args, const char *name, GValue *return_val) { gpointer plugin; MooPluginMeth *meth; g_return_if_fail (plugin_and_args != NULL); g_return_if_fail (name != NULL); plugin = g_value_get_object (plugin_and_args); g_return_if_fail (plugin != NULL); meth = moo_plugin_lookup_method (plugin, name); if (!meth) { g_warning ("plugin '%s' does not have method '%s'", moo_plugin_id (plugin), name); return; } g_return_if_fail (return_val || meth->return_type == G_TYPE_NONE); g_return_if_fail (!return_val || meth->return_type == G_VALUE_TYPE (return_val)); g_closure_invoke (meth->closure, return_val, meth->n_params + 1, plugin_and_args, NULL); } void moo_plugin_method_new (const char *name, GType ptype, GCallback method, GClosureMarshal c_marshaller, GType return_type, guint n_params, ...) { va_list args; GClosure *closure; g_return_if_fail (g_type_is_a (ptype, MOO_TYPE_PLUGIN)); g_return_if_fail (name != NULL); g_return_if_fail (method != NULL); g_return_if_fail (c_marshaller != NULL); closure = g_cclosure_new (method, NULL, NULL); g_closure_sink (g_closure_ref (closure)); va_start (args, n_params); moo_plugin_method_new_valist (name, ptype, closure, c_marshaller, return_type, n_params, args); va_end (args); g_closure_unref (closure); } void moo_plugin_method_new_valist (const char *name, GType ptype, GClosure *closure, GClosureMarshal c_marshaller, GType return_type, guint n_params, va_list args) { GType *param_types = NULL; guint i; g_return_if_fail (g_type_is_a (ptype, MOO_TYPE_PLUGIN)); g_return_if_fail (name != NULL); g_return_if_fail (closure != NULL); g_return_if_fail (c_marshaller != NULL); if (n_params) { param_types = g_new (GType, n_params); for (i = 0; i < n_params; ++i) param_types[i] = va_arg (args, GType); } moo_plugin_method_newv (name, ptype, closure, c_marshaller, return_type, n_params, param_types); g_free (param_types); } static void meth_free (MooPluginMeth *meth) { if (meth) { g_free (meth->param_types); g_closure_invalidate (meth->closure); g_closure_unref (meth->closure); g_free (meth); } } void moo_plugin_method_newv (const char *name, GType ptype, GClosure *closure, GClosureMarshal c_marshaller, GType return_type, guint n_params, const GType *param_types) { MooPluginMeth *m; GHashTable *meths; char *norm_name; g_return_if_fail (g_type_is_a (ptype, MOO_TYPE_PLUGIN)); g_return_if_fail (name != NULL); g_return_if_fail (closure != NULL); g_return_if_fail (c_marshaller != NULL); g_return_if_fail (!n_params || param_types); norm_name = g_strdelimit (g_strdup (name), "_", '-'); meths = g_type_get_qdata (ptype, MOO_PLUGIN_METHS_QUARK); if (meths) { if (g_hash_table_lookup (meths, norm_name) != NULL) { g_warning ("method '%s' is already registered for type '%s'", name, g_type_name (ptype)); g_free (norm_name); return; } } else { meths = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) meth_free); g_type_set_qdata (ptype, MOO_PLUGIN_METHS_QUARK, meths); } m = g_new0 (MooPluginMeth, 1); m->ptype = ptype; m->return_type = return_type; m->n_params = n_params; m->param_types = n_params ? g_memdup (param_types, n_params * sizeof (GType)) : NULL; m->closure = g_closure_ref (closure); g_closure_sink (closure); g_closure_set_marshal (closure, c_marshaller); g_hash_table_insert (meths, norm_name, m); }