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Diffstat (limited to 'plugins/modelines/pluma-modeline-plugin.c')
| -rwxr-xr-x | plugins/modelines/pluma-modeline-plugin.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/plugins/modelines/pluma-modeline-plugin.c b/plugins/modelines/pluma-modeline-plugin.c new file mode 100755 index 00000000..db5fc1e3 --- /dev/null +++ b/plugins/modelines/pluma-modeline-plugin.c @@ -0,0 +1,248 @@ +/* + * pluma-modeline-plugin.c + * Emacs, Kate and Vim-style modelines support for pluma. + * + * Copyright (C) 2005-2007 - Steve Frécinaux <[email protected]> + * + * 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, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +# include <config.h> +#endif + +#include <glib/gi18n-lib.h> +#include <gmodule.h> +#include "pluma-modeline-plugin.h" +#include "modeline-parser.h" + +#include <pluma/pluma-debug.h> +#include <pluma/pluma-utils.h> + +#define WINDOW_DATA_KEY "PlumaModelinePluginWindowData" +#define DOCUMENT_DATA_KEY "PlumaModelinePluginDocumentData" + +typedef struct +{ + gulong tab_added_handler_id; + gulong tab_removed_handler_id; +} WindowData; + +typedef struct +{ + gulong document_loaded_handler_id; + gulong document_saved_handler_id; +} DocumentData; + +static void pluma_modeline_plugin_activate (PlumaPlugin *plugin, PlumaWindow *window); +static void pluma_modeline_plugin_deactivate (PlumaPlugin *plugin, PlumaWindow *window); +static GObject *pluma_modeline_plugin_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_param); +static void pluma_modeline_plugin_finalize (GObject *object); + +PLUMA_PLUGIN_REGISTER_TYPE(PlumaModelinePlugin, pluma_modeline_plugin) + +static void +window_data_free (WindowData *wdata) +{ + g_slice_free (WindowData, wdata); +} + +static void +document_data_free (DocumentData *ddata) +{ + g_slice_free (DocumentData, ddata); +} + +static void +pluma_modeline_plugin_class_init (PlumaModelinePluginClass *klass) +{ + GObjectClass *object_class = G_OBJECT_CLASS (klass); + PlumaPluginClass *plugin_class = PLUMA_PLUGIN_CLASS (klass); + + object_class->constructor = pluma_modeline_plugin_constructor; + object_class->finalize = pluma_modeline_plugin_finalize; + + plugin_class->activate = pluma_modeline_plugin_activate; + plugin_class->deactivate = pluma_modeline_plugin_deactivate; +} + +static GObject * +pluma_modeline_plugin_constructor (GType type, + guint n_construct_properties, + GObjectConstructParam *construct_param) +{ + GObject *object; + gchar *data_dir; + + object = G_OBJECT_CLASS (pluma_modeline_plugin_parent_class)->constructor (type, + n_construct_properties, + construct_param); + + data_dir = pluma_plugin_get_data_dir (PLUMA_PLUGIN (object)); + + modeline_parser_init (data_dir); + + g_free (data_dir); + + return object; +} + +static void +pluma_modeline_plugin_init (PlumaModelinePlugin *plugin) +{ + pluma_debug_message (DEBUG_PLUGINS, "PlumaModelinePlugin initializing"); +} + +static void +pluma_modeline_plugin_finalize (GObject *object) +{ + pluma_debug_message (DEBUG_PLUGINS, "PlumaModelinePlugin finalizing"); + + modeline_parser_shutdown (); + + G_OBJECT_CLASS (pluma_modeline_plugin_parent_class)->finalize (object); +} + +static void +on_document_loaded_or_saved (PlumaDocument *document, + const GError *error, + GtkSourceView *view) +{ + modeline_parser_apply_modeline (view); +} + +static void +connect_handlers (PlumaView *view) +{ + DocumentData *data; + GtkTextBuffer *doc; + + doc = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); + + data = g_slice_new (DocumentData); + + data->document_loaded_handler_id = + g_signal_connect (doc, "loaded", + G_CALLBACK (on_document_loaded_or_saved), + view); + data->document_saved_handler_id = + g_signal_connect (doc, "saved", + G_CALLBACK (on_document_loaded_or_saved), + view); + + g_object_set_data_full (G_OBJECT (doc), DOCUMENT_DATA_KEY, + data, (GDestroyNotify) document_data_free); +} + +static void +disconnect_handlers (PlumaView *view) +{ + DocumentData *data; + GtkTextBuffer *doc; + + doc = gtk_text_view_get_buffer (GTK_TEXT_VIEW (view)); + + data = g_object_steal_data (G_OBJECT (doc), DOCUMENT_DATA_KEY); + + if (data) + { + g_signal_handler_disconnect (doc, data->document_loaded_handler_id); + g_signal_handler_disconnect (doc, data->document_saved_handler_id); + + document_data_free (data); + } + else + { + g_warning ("Modeline handlers not found"); + } +} + +static void +on_window_tab_added (PlumaWindow *window, + PlumaTab *tab, + gpointer user_data) +{ + connect_handlers (pluma_tab_get_view (tab)); +} + +static void +on_window_tab_removed (PlumaWindow *window, + PlumaTab *tab, + gpointer user_data) +{ + disconnect_handlers (pluma_tab_get_view (tab)); +} + +static void +pluma_modeline_plugin_activate (PlumaPlugin *plugin, + PlumaWindow *window) +{ + WindowData *wdata; + GList *views; + GList *l; + + pluma_debug (DEBUG_PLUGINS); + + views = pluma_window_get_views (window); + for (l = views; l != NULL; l = l->next) + { + connect_handlers (PLUMA_VIEW (l->data)); + modeline_parser_apply_modeline (GTK_SOURCE_VIEW (l->data)); + } + g_list_free (views); + + wdata = g_slice_new (WindowData); + + wdata->tab_added_handler_id = + g_signal_connect (window, "tab-added", + G_CALLBACK (on_window_tab_added), NULL); + + wdata->tab_removed_handler_id = + g_signal_connect (window, "tab-removed", + G_CALLBACK (on_window_tab_removed), NULL); + + g_object_set_data_full (G_OBJECT (window), WINDOW_DATA_KEY, + wdata, (GDestroyNotify) window_data_free); +} + +static void +pluma_modeline_plugin_deactivate (PlumaPlugin *plugin, + PlumaWindow *window) +{ + WindowData *wdata; + GList *views; + GList *l; + + pluma_debug (DEBUG_PLUGINS); + + wdata = g_object_steal_data (G_OBJECT (window), WINDOW_DATA_KEY); + + g_signal_handler_disconnect (window, wdata->tab_added_handler_id); + g_signal_handler_disconnect (window, wdata->tab_removed_handler_id); + + window_data_free (wdata); + + views = pluma_window_get_views (window); + + for (l = views; l != NULL; l = l->next) + { + disconnect_handlers (PLUMA_VIEW (l->data)); + + modeline_parser_deactivate (GTK_SOURCE_VIEW (l->data)); + } + + g_list_free (views); +} + |