plugins/scintilla/plugin.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3     plugin.c
   4     Copyright (C) 2000 Naba Kumar
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19 */
  20
  21 #include <config.h>
  22 #include <libanjuta/anjuta-shell.h>
  23 #include <libanjuta/anjuta-debug.h>
  24 #include <libanjuta/anjuta-encodings.h>
  25 #include <libanjuta/interfaces/ianjuta-document-manager.h>
  26 #include <libanjuta/interfaces/ianjuta-symbol-manager.h>
  27 #include <libanjuta/interfaces/ianjuta-file.h>
  28 #include <libanjuta/interfaces/ianjuta-file-savable.h>
  29 #include <libanjuta/interfaces/ianjuta-editor-factory.h>
  30 #include <libanjuta/interfaces/ianjuta-preferences.h>
  31
  32
  33 #include "aneditor.h"
  34 #include "lexer.h"
  35 #include "plugin.h"
  36 #include "style-editor.h"
  37 #include "text_editor.h"
  38
  39 #define PREFS_GLADE PACKAGE_DATA_DIR "/glade/anjuta-editor-scintilla.ui"
  40 #define ICON_FILE "anjuta-editor-scintilla-plugin-48.png"
  41
  42 gpointer parent_class;
  43
  44 /* Plugin types
  45  *---------------------------------------------------------------------------*/
  46
  47 struct _EditorPlugin{
  48         AnjutaPlugin parent;
  49
  50         GtkWidget* style_button;
  51
  52         IAnjutaSymbolQuery *query_system;
  53         IAnjutaSymbolQuery *query_project;
  54
  55         /* Settings */
  56         GSettings *settings;
  57         AnjutaPreferences* prefs;
  58 };
  59
  60 struct _EditorPluginClass{
  61         AnjutaPluginClass parent_class;
  62 };
  63
  64 /* Keep an up to date list of type name
  65  *---------------------------------------------------------------------------*/
  66
  67 static void
  68 update_type_list (AnjutaShell *shell, IAnjutaIterable *iter, const gchar *name)
  69 {
  70         gchar *list = NULL;
  71         GValue value = {0,};
  72
  73         if (iter)
  74         {
  75                 ianjuta_iterable_first (iter, NULL);
  76                 if (ianjuta_iterable_get_length (iter, NULL) > 0)
  77                 {
  78                         GString *s = g_string_sized_new(ianjuta_iterable_get_length (iter, NULL) * 10);
  79                         do {
  80                                 IAnjutaSymbol *symbol = IANJUTA_SYMBOL (iter);
  81                                 const gchar *sname = ianjuta_symbol_get_string (symbol, IANJUTA_SYMBOL_FIELD_NAME, NULL);
  82                                 g_string_append(s, sname);
  83                                 g_string_append_c(s, ' ');
  84                         } while (ianjuta_iterable_next (iter, NULL));
  85                         list =  g_string_free(s, FALSE);
  86                 }
  87         }
  88
  89         anjuta_shell_get_value (shell, name, &value, NULL);
  90         if (G_VALUE_HOLDS_STRING(&value))
  91         {
  92                 const gchar *value_list = g_value_get_string (&value);
  93
  94                 if (list == NULL)
  95                 {
  96                         anjuta_shell_remove_value (shell, name, NULL);
  97                 }
  98                 else if (strcmp (list, value_list) == 0)
  99                 {
 100                         g_free (list);
 101                 }
 102                 else
 103                 {
 104                         g_value_take_string (&value, list);
 105                         anjuta_shell_add_value (shell, name, &value, NULL);
 106                 }
 107         }
 108         else
 109         {
 110                 if (list != NULL)
 111                 {
 112                         g_value_init (&value, G_TYPE_STRING);
 113                         g_value_take_string (&value, list);
 114                         anjuta_shell_add_value (shell, name, &value, NULL);
 115                 }
 116         }
 117         if (G_IS_VALUE (&value))
 118                 g_value_unset (&value);
 119 }
 120
 121 static void
 122 project_symbol_found (IAnjutaSymbolQuery *query, IAnjutaIterable* symbols, gpointer user_data)
 123 {
 124         update_type_list (ANJUTA_SHELL (user_data), symbols, TEXT_EDITOR_PROJECT_TYPE_LIST);
 125 }
 126
 127 static void
 128 system_symbol_found (IAnjutaSymbolQuery *query, IAnjutaIterable* symbols, gpointer user_data)
 129 {
 130         update_type_list (ANJUTA_SHELL (user_data), symbols, TEXT_EDITOR_SYSTEM_TYPE_LIST);
 131 }
 132
 133 static void
 134 on_project_symbol_scanned (IAnjutaSymbolManager *manager, guint process, IAnjutaSymbolQuery *query_project)
 135 {
 136         ianjuta_symbol_query_search_all (query_project, NULL);
 137 }
 138
 139 static void
 140 on_system_symbol_scanned (IAnjutaSymbolManager *manager, guint process, IAnjutaSymbolQuery *query_system)
 141 {
 142         ianjuta_symbol_query_search_all (query_system, NULL);
 143 }
 144
 145 static void
 146 on_style_button_clicked(GtkWidget* button, EditorPlugin *plugin)
 147 {
 148         StyleEditor* se = style_editor_new(plugin->prefs, plugin->settings);
 149         style_editor_show(se);
 150 }
 151
 152 static gboolean
 153 activate_plugin (AnjutaPlugin *plugin)
 154 {
 155         static IAnjutaSymbolField query_fields[] = {
 156                 IANJUTA_SYMBOL_FIELD_ID,
 157                 IANJUTA_SYMBOL_FIELD_NAME,
 158                 IANJUTA_SYMBOL_FIELD_KIND,
 159                 IANJUTA_SYMBOL_FIELD_TYPE
 160         };
 161         EditorPlugin* editor = ANJUTA_PLUGIN_EDITOR (plugin);
 162         IAnjutaSymbolManager *manager;
 163         IAnjutaSymbolQuery *query_project;
 164         IAnjutaSymbolQuery *query_system;
 165
 166         manager = anjuta_shell_get_interface (plugin->shell,
 167             IAnjutaSymbolManager, NULL);
 168
 169         /* query project */
 170         query_project =
 171                 ianjuta_symbol_manager_create_query (manager,
 172                                                      IANJUTA_SYMBOL_QUERY_SEARCH_ALL,
 173                                                      IANJUTA_SYMBOL_QUERY_DB_PROJECT,
 174                                                      NULL);
 175
 176         ianjuta_symbol_query_set_fields (query_project,
 177                                          G_N_ELEMENTS (query_fields),
 178                                          query_fields, NULL);
 179         ianjuta_symbol_query_set_file_scope (query_project,
 180                                              IANJUTA_SYMBOL_QUERY_SEARCH_FS_IGNORE, NULL);
 181         ianjuta_symbol_query_set_mode (query_project,
 182                                        IANJUTA_SYMBOL_QUERY_MODE_QUEUED, NULL);
 183         ianjuta_symbol_query_set_filters (query_project, IANJUTA_SYMBOL_TYPE_TYPEDEF,
 184                                                                   TRUE, NULL);
 185         g_signal_connect (query_project, "async-result",
 186                           G_CALLBACK (project_symbol_found), plugin->shell);
 187
 188         /* query system */
 189         query_system =
 190                 ianjuta_symbol_manager_create_query (manager,
 191                                                      IANJUTA_SYMBOL_QUERY_SEARCH_ALL,
 192                                                      IANJUTA_SYMBOL_QUERY_DB_SYSTEM,
 193                                                      NULL);
 194
 195         ianjuta_symbol_query_set_fields (query_system,
 196                                          G_N_ELEMENTS (query_fields),
 197                                          query_fields, NULL);
 198         ianjuta_symbol_query_set_file_scope (query_system,
 199                                              IANJUTA_SYMBOL_QUERY_SEARCH_FS_IGNORE, NULL);
 200         ianjuta_symbol_query_set_mode (query_system,
 201                                        IANJUTA_SYMBOL_QUERY_MODE_QUEUED, NULL);
 202         ianjuta_symbol_query_set_filters (query_system, IANJUTA_SYMBOL_TYPE_TYPEDEF,
 203                                                                   TRUE, NULL);
 204
 205         g_signal_connect (query_system, "async-result",
 206                           G_CALLBACK (system_symbol_found), plugin->shell);
 207
 208
 209         /* Get notified when scan end, to update type list */
 210         g_signal_connect (G_OBJECT (manager), "prj_scan_end", G_CALLBACK (on_project_symbol_scanned), query_project);
 211         g_signal_connect (G_OBJECT (manager), "sys_scan_end", G_CALLBACK (on_system_symbol_scanned), query_system);
 212
 213         /* Initialize type list */
 214         on_project_symbol_scanned (manager, 0, query_project);
 215         on_system_symbol_scanned (manager, 0, query_system);
 216
 217         /* Keep queries to be able to unref them when needed */
 218         editor->query_project = query_project;
 219         editor->query_system = query_system;
 220
 221
 222         return TRUE;
 223 }
 224
 225 static gboolean
 226 deactivate_plugin (AnjutaPlugin *plugin)
 227 {
 228         EditorPlugin* editor = ANJUTA_PLUGIN_EDITOR (plugin);
 229         IAnjutaSymbolManager *manager = anjuta_shell_get_interface (plugin->shell, IAnjutaSymbolManager, NULL);
 230
 231         /* Disconnect signals */
 232         g_signal_handlers_disconnect_by_func (G_OBJECT (manager), G_CALLBACK (on_project_symbol_scanned), editor->query_project);
 233         g_signal_handlers_disconnect_by_func (G_OBJECT (manager), G_CALLBACK (on_system_symbol_scanned), editor->query_system);
 234
 235         g_object_unref (editor->query_project);
 236         g_object_unref (editor->query_system);
 237
 238         return TRUE;
 239 }
 240
 241 static void
 242 dispose (GObject *obj)
 243 {
 244         EditorPlugin *plugin = ANJUTA_PLUGIN_EDITOR (obj);
 245
 246         g_object_unref (plugin->settings);
 247
 248         G_OBJECT_CLASS (parent_class)->dispose (obj);
 249 }
 250
 251 static void
 252 finalize (GObject *obj)
 253 {
 254         /* Finalization codes here */
 255         G_OBJECT_CLASS (parent_class)->finalize (obj);
 256 }
 257
 258 static void
 259 editor_plugin_instance_init (GObject *obj)
 260 {
 261         EditorPlugin *plugin = ANJUTA_PLUGIN_EDITOR (obj);
 262
 263         plugin->settings = g_settings_new (PREF_SCHEMA);
 264         plugin->prefs = NULL;
 265 }
 266
 267 static void
 268 editor_plugin_class_init (GObjectClass *klass)
 269 {
 270         AnjutaPluginClass *plugin_class = ANJUTA_PLUGIN_CLASS (klass);
 271
 272         parent_class = g_type_class_peek_parent (klass);
 273
 274         plugin_class->activate = activate_plugin;
 275         plugin_class->deactivate = deactivate_plugin;
 276         klass->dispose = dispose;
 277         klass->finalize = finalize;
 278 }
 279
 280 static IAnjutaEditor*
 281 itext_editor_factory_new_editor(IAnjutaEditorFactory* factory,
 282                                                                 GFile* file,
 283                                                                 const gchar* filename,
 284                                                                 GError** error)
 285 {
 286         AnjutaShell *shell = ANJUTA_PLUGIN (factory)->shell;
 287         AnjutaStatus *status = anjuta_shell_get_status (shell, NULL);
 288         /* file can be NULL, if we open a buffer, not a file */
 289         gchar* uri = file ? g_file_get_uri (file) : NULL;
 290         IAnjutaEditor* editor = IANJUTA_EDITOR(text_editor_new(status,shell,
 291                                                                                                                    uri, filename));
 292         g_free(uri);
 293         return editor;
 294 }
 295
 296 static void
 297 itext_editor_factory_iface_init (IAnjutaEditorFactoryIface *iface)
 298 {
 299         iface->new_editor = itext_editor_factory_new_editor;
 300 }
 301
 302 static void
 303 ipreferences_merge(IAnjutaPreferences* ipref, AnjutaPreferences* prefs, GError** e)
 304 {
 305         GtkBuilder* bxml = gtk_builder_new ();
 306         EditorPlugin* plugin = ANJUTA_PLUGIN_EDITOR (ipref);
 307         GError* error = NULL;
 308         if (!gtk_builder_add_from_file (bxml, PREFS_GLADE, &error))
 309         {
 310                 g_warning ("Couldn't load builder file: %s", error->message);
 311                 g_error_free (error);
 312         }
 313         plugin->prefs = prefs;
 314         plugin->style_button = GTK_WIDGET (gtk_builder_get_object (bxml, "style_button"));
 315         g_signal_connect(G_OBJECT(plugin->style_button), "clicked",
 316                 G_CALLBACK(on_style_button_clicked), plugin);
 317         anjuta_preferences_add_from_builder (prefs,
 318                                                                  bxml, plugin->settings, "prefs_editor", _("Scintilla Editor"),  ICON_FILE);
 319         g_object_unref(bxml);
 320 }
 321
 322 static void
 323 ipreferences_unmerge(IAnjutaPreferences* ipref, AnjutaPreferences* prefs, GError** e)
 324 {
 325         EditorPlugin* plugin = ANJUTA_PLUGIN_EDITOR (ipref);
 326         g_signal_handlers_disconnect_by_func(G_OBJECT(plugin->style_button),
 327                 G_CALLBACK(on_style_button_clicked),
 328                 anjuta_shell_get_preferences(ANJUTA_PLUGIN(plugin)->shell, NULL));
 329
 330         anjuta_preferences_remove_page(prefs, _("Scintilla Editor"));
 331 }
 332
 333 static void
 334 ipreferences_iface_init(IAnjutaPreferencesIface* iface)
 335 {
 336         iface->merge = ipreferences_merge;
 337         iface->unmerge = ipreferences_unmerge;
 338 }
 339
 340 ANJUTA_PLUGIN_BEGIN (EditorPlugin, editor_plugin);
 341 ANJUTA_TYPE_ADD_INTERFACE(itext_editor_factory, IANJUTA_TYPE_EDITOR_FACTORY);
 342 ANJUTA_TYPE_ADD_INTERFACE(ipreferences, IANJUTA_TYPE_PREFERENCES);
 343 ANJUTA_PLUGIN_END;
 344
 345 ANJUTA_SIMPLE_PLUGIN (EditorPlugin, editor_plugin);