libanjuta/anjuta-pkg-config-chooser.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * pkg-config-chooser
   4  * Copyright (C) Johannes Schmid 2010 <jhs@gnome.org>
   5  *
   6  * pkg-config-chooser is free software: you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation, either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * pkg-config-chooser is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14  * See the GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "anjuta-pkg-config-chooser.h"
  21 #include <glib/gi18n.h>
  22 #include <libanjuta/anjuta-launcher.h>
  23
  24 #define PKG_CONFIG_LIST_ALL "pkg-config --list-all"
  25
  26 enum
  27 {
  28         PACKAGE_ACTIVATED,
  29         PACKAGE_DEACTIVATED,
  30         LAST_SIGNAL
  31 };
  32
  33 enum
  34 {
  35         COLUMN_ACTIVE,
  36         COLUMN_NAME,
  37         COLUMN_DESCRIPTION,
  38         N_COLUMNS
  39 };
  40
  41 struct _AnjutaPkgConfigChooserPrivate
  42 {
  43         AnjutaLauncher* launcher;
  44         GtkTreeModel* model;
  45         GtkTreeModelFilter* filter_model;
  46         GtkTreeModelSort* sort_model;
  47
  48         gboolean selected_only;
  49         gboolean scanning;
  50
  51         GList* selected_cache;
  52 };
  53
  54 static guint pkg_config_chooser_signals[LAST_SIGNAL] = { 0 };
  55
  56 G_DEFINE_TYPE (AnjutaPkgConfigChooser, anjuta_pkg_config_chooser, GTK_TYPE_TREE_VIEW);
  57
  58 static gboolean
  59 filter_visible_func (GtkTreeModel* model,
  60                      GtkTreeIter* iter,
  61                      gpointer data)
  62 {
  63         AnjutaPkgConfigChooser* chooser = data;
  64
  65         if (!chooser->priv->selected_only)
  66                 return TRUE;
  67         else
  68         {
  69                 gboolean show;
  70                 gtk_tree_model_get (model, iter,
  71                                     COLUMN_ACTIVE, &show, -1);
  72                 return show;
  73         }
  74 }
  75
  76 static void
  77 on_listall_output (AnjutaLauncher * launcher,
  78                    AnjutaLauncherOutputType output_type,
  79                    const gchar * chars, gpointer user_data)
  80 {
  81         gchar **lines;
  82         const gchar *curr_line;
  83         gint i = 0;
  84         AnjutaPkgConfigChooser* chooser;
  85         GtkListStore* store;
  86
  87         if (output_type == ANJUTA_LAUNCHER_OUTPUT_STDERR)
  88         {
  89                 /* no way. We don't like errors on stderr... */
  90                 return;
  91         }
  92
  93         chooser = ANJUTA_PKG_CONFIG_CHOOSER (user_data);
  94
  95         store = GTK_LIST_STORE (chooser->priv->model);
  96         lines = g_strsplit (chars, "\n", -1);
  97
  98         while ((curr_line = lines[i++]) != NULL)
  99         {
 100                 gchar **pkgs;
 101                 GtkTreeIter iter;
 102
 103                 pkgs = g_strsplit (curr_line, " ", 2);
 104
 105                 /* just take the first token as it's the package-name */
 106                 if (pkgs == NULL)
 107                         return;
 108
 109                 if (pkgs[0] == NULL || pkgs[1] == NULL) {
 110                         g_strfreev (pkgs);
 111                         continue;
 112                 }
 113
 114                 gtk_list_store_append (store, &iter);
 115                 gtk_list_store_set (store, &iter,
 116                                     COLUMN_ACTIVE, FALSE,
 117                                     COLUMN_NAME, pkgs[0],
 118                                     COLUMN_DESCRIPTION, g_strstrip(pkgs[1]), -1);
 119                 g_strfreev (pkgs);
 120         }
 121         g_strfreev (lines);
 122 }
 123
 124 static void
 125 on_listall_exit (AnjutaLauncher * launcher, int child_pid,
 126                                    int exit_status, gulong time_taken_in_seconds,
 127                                    gpointer user_data)
 128 {
 129         AnjutaPkgConfigChooser* chooser = ANJUTA_PKG_CONFIG_CHOOSER (user_data);
 130
 131         g_signal_handlers_disconnect_by_func (launcher, on_listall_exit,
 132                                                                                   user_data);
 133         chooser->priv->scanning = FALSE;
 134
 135         anjuta_pkg_config_chooser_set_active_packages (chooser, chooser->priv->selected_cache);
 136         g_list_free_full (chooser->priv->selected_cache, g_free);
 137         chooser->priv->selected_cache = NULL;
 138
 139         g_clear_object (&chooser->priv->launcher);
 140 }
 141
 142 static void
 143 on_package_toggled (GtkCellRenderer* renderer,
 144                     const gchar* path,
 145                     AnjutaPkgConfigChooser* chooser)
 146 {
 147         GtkTreeIter sort_iter;
 148         GtkTreeIter filter_iter;
 149         GtkTreeIter iter;
 150         gboolean active;
 151         gchar* package;
 152
 153         GtkTreePath* tree_path = gtk_tree_path_new_from_string (path);
 154
 155         gtk_tree_model_get_iter (GTK_TREE_MODEL (chooser->priv->sort_model),
 156                                  &sort_iter, tree_path);
 157         gtk_tree_model_sort_convert_iter_to_child_iter (chooser->priv->sort_model,
 158                                                         &filter_iter, &sort_iter);
 159         gtk_tree_model_filter_convert_iter_to_child_iter (chooser->priv->filter_model,
 160                                                           &iter, &filter_iter);
 161         g_object_get (renderer, "active", &active, NULL);
 162
 163         active = !active;
 164
 165         gtk_list_store_set (GTK_LIST_STORE (chooser->priv->model),
 166                             &iter, COLUMN_ACTIVE, active, -1);
 167         gtk_tree_model_get (chooser->priv->model, &iter,
 168                             COLUMN_NAME, &package, -1);
 169
 170         if (active)
 171                 g_signal_emit_by_name (chooser, "package-activated", package, NULL);
 172         else
 173                 g_signal_emit_by_name (chooser, "package-deactivated", package, NULL);
 174 }
 175
 176 static void
 177 anjuta_pkg_config_chooser_init (AnjutaPkgConfigChooser *chooser)
 178 {
 179         GtkTreeViewColumn* column;
 180         GtkCellRenderer* renderer;
 181
 182         chooser->priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser, ANJUTA_TYPE_PKG_CONFIG_CHOOSER,
 183                                                      AnjutaPkgConfigChooserPrivate);
 184
 185         /* Create model */
 186         chooser->priv->model = GTK_TREE_MODEL (gtk_list_store_new (N_COLUMNS,
 187                                                                    G_TYPE_BOOLEAN,
 188                                                                    G_TYPE_STRING,
 189                                                                    G_TYPE_STRING));
 190         chooser->priv->filter_model = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (chooser->priv->model,
 191                                                                                         NULL));
 192         gtk_tree_model_filter_set_visible_func (chooser->priv->filter_model,
 193                                                 filter_visible_func,
 194                                                 chooser, NULL);
 195
 196         chooser->priv->sort_model =
 197                 GTK_TREE_MODEL_SORT (gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(chooser->priv->filter_model)));
 198         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (chooser->priv->sort_model),
 199                                               COLUMN_NAME, GTK_SORT_ASCENDING);
 200
 201         gtk_tree_view_set_model (GTK_TREE_VIEW (chooser),
 202                                  GTK_TREE_MODEL (chooser->priv->sort_model));
 203
 204         /* Create columns */
 205         renderer = gtk_cell_renderer_toggle_new ();
 206         g_signal_connect (renderer, "toggled", G_CALLBACK(on_package_toggled), chooser);
 207         column = gtk_tree_view_column_new_with_attributes ("",
 208                                                            renderer,
 209                                                            "active", COLUMN_ACTIVE,
 210                                                            NULL);
 211         gtk_tree_view_append_column (GTK_TREE_VIEW (chooser), column);
 212
 213         renderer = gtk_cell_renderer_text_new ();
 214         column = gtk_tree_view_column_new_with_attributes ("",
 215                                                            renderer,
 216                                                            "text", COLUMN_NAME,
 217                                                            NULL);
 218         gtk_tree_view_append_column (GTK_TREE_VIEW (chooser), column);
 219         renderer = gtk_cell_renderer_text_new ();
 220         column = gtk_tree_view_column_new_with_attributes ("",
 221                                                            renderer,
 222                                                            "text", COLUMN_DESCRIPTION,
 223                                                            NULL);
 224         gtk_tree_view_append_column (GTK_TREE_VIEW (chooser), column);
 225         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (chooser), FALSE);
 226
 227         gtk_tree_view_set_search_column (GTK_TREE_VIEW (chooser),
 228                                          COLUMN_NAME);
 229
 230         /* Create launcher */
 231         chooser->priv->scanning = TRUE;
 232         chooser->priv->launcher = anjuta_launcher_new ();
 233         anjuta_launcher_set_check_passwd_prompt (chooser->priv->launcher,
 234                                                  FALSE);
 235
 236         g_signal_connect (G_OBJECT (chooser->priv->launcher), "child-exited",
 237                           G_CALLBACK (on_listall_exit), chooser);
 238
 239         anjuta_launcher_execute (chooser->priv->launcher,
 240                                  PKG_CONFIG_LIST_ALL, on_listall_output,
 241                                  chooser);
 242 }
 243
 244 static void
 245 anjuta_pkg_config_chooser_finalize (GObject *object)
 246 {
 247         AnjutaPkgConfigChooser *chooser = ANJUTA_PKG_CONFIG_CHOOSER (object);
 248
 249         g_object_unref (chooser->priv->model);
 250         g_object_unref (chooser->priv->filter_model);
 251         g_object_unref (chooser->priv->sort_model);
 252
 253         if (chooser->priv->launcher)
 254                 g_object_unref (chooser->priv->launcher);
 255
 256         g_list_free_full (chooser->priv->selected_cache, g_free);
 257
 258         G_OBJECT_CLASS (anjuta_pkg_config_chooser_parent_class)->finalize (object);
 259 }
 260
 261 static void
 262 anjuta_pkg_config_chooser_class_init (AnjutaPkgConfigChooserClass *klass)
 263 {
 264         GObjectClass* object_class = G_OBJECT_CLASS (klass);
 265
 266         object_class->finalize = anjuta_pkg_config_chooser_finalize;
 267
 268         /**
 269          * AnjutaPkgConfigChooser::package-activated:
 270          * @widget: the AnjutaPkgConfigChooser that received the signal
 271          * @package: Name of the package that was activated
 272          *
 273          * The ::package-activated signal is emitted when a package is activated in the list
 274          */
 275         pkg_config_chooser_signals[PACKAGE_ACTIVATED] =
 276                 g_signal_new ("package-activated",
 277                               G_OBJECT_CLASS_TYPE (klass),
 278                               0,
 279                               G_STRUCT_OFFSET (AnjutaPkgConfigChooserClass, package_activated),
 280                               NULL, NULL,
 281                               g_cclosure_marshal_VOID__STRING,
 282                               G_TYPE_NONE, 1,
 283                               G_TYPE_STRING);
 284         /**
 285          * AnjutaPkgConfigChooser::package-deactivated:
 286          * @widget: the AnjutaPkgConfigChooser that received the signal
 287          * @package: Name of the package that was deactivated
 288          *
 289          * The ::package-activated signal is emitted when a package is deactivated in the list
 290          */
 291         pkg_config_chooser_signals[PACKAGE_DEACTIVATED] =
 292                 g_signal_new ("package-deactivated",
 293                               G_OBJECT_CLASS_TYPE (klass),
 294                               0,
 295                               G_STRUCT_OFFSET (AnjutaPkgConfigChooserClass, package_deactivated),
 296                               NULL, NULL,
 297                               g_cclosure_marshal_VOID__STRING,
 298                               G_TYPE_NONE, 1,
 299                               G_TYPE_STRING);
 300
 301         g_type_class_add_private (klass, sizeof(AnjutaPkgConfigChooserPrivate));
 302 }
 303
 304 /*
 305  * anjuta_pkg_config_chooser_new:
 306  *
 307  * Returns: A new AnjutaPkgConfigChooser widget
 308  */
 309 GtkWidget*
 310 anjuta_pkg_config_chooser_new (void)
 311 {
 312         return GTK_WIDGET (g_object_new (ANJUTA_TYPE_PKG_CONFIG_CHOOSER, NULL));
 313 }
 314
 315 /*
 316  * anjuta_pkg_config_chooser_get_active_packages:
 317  * @chooser: A AnjutaPkgConfigChooser
 318  *
 319  * Return value: (element-type utf8) (transfer full):
 320  * List of packages that are activated
 321  */
 322 GList*
 323 anjuta_pkg_config_chooser_get_active_packages (AnjutaPkgConfigChooser* chooser)
 324 {
 325         GList* packages = NULL;
 326         GtkTreeIter iter;
 327
 328         g_return_val_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser), NULL);
 329
 330         if (gtk_tree_model_get_iter_first (chooser->priv->model, &iter))
 331         {
 332                 do
 333                 {
 334                         gchar* model_pkg;
 335                         gboolean active;
 336                         gtk_tree_model_get (chooser->priv->model, &iter,
 337                                             COLUMN_NAME, &model_pkg,
 338                                             COLUMN_ACTIVE, &active, -1);
 339                         if (active)
 340                         {
 341                                 packages = g_list_append (packages, model_pkg);
 342                         }
 343                 }
 344                 while (gtk_tree_model_iter_next (chooser->priv->model,
 345                                                  &iter));
 346         }
 347         return packages;
 348 }
 349
 350 /*
 351  * anjuta_pkg_config_chooser_get_active_packages:
 352  * @chooser: A AnjutaPkgConfigChooser
 353  * @packages: (element-type utf8) (transfer full): List of packages to be activated in the list
 354  *
 355  */
 356 void
 357 anjuta_pkg_config_chooser_set_active_packages (AnjutaPkgConfigChooser* chooser, GList* packages)
 358 {
 359         GList* pkg;
 360         GtkTreeIter iter;
 361
 362         g_return_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser));
 363
 364         /* Deselect all packages */
 365         if (gtk_tree_model_get_iter_first (chooser->priv->model, &iter))
 366         {
 367                 do
 368                 {
 369                         gtk_list_store_set (GTK_LIST_STORE (chooser->priv->model), &iter,
 370                                                     COLUMN_ACTIVE, FALSE, -1);
 371                 }
 372                 while (gtk_tree_model_iter_next (chooser->priv->model,
 373                                                  &iter));
 374         }
 375
 376         for (pkg = packages; pkg != NULL; pkg = g_list_next (pkg))
 377         {
 378                 if (chooser->priv->scanning)
 379                 {
 380                         chooser->priv->selected_cache = g_list_append (chooser->priv->selected_cache,
 381                                                                        g_strdup(pkg->data));
 382                 }
 383                 else if (gtk_tree_model_get_iter_first (chooser->priv->model, &iter))
 384                 {
 385                         do
 386                         {
 387                                 gchar* model_pkg;
 388                                 gtk_tree_model_get (chooser->priv->model, &iter,
 389                                                     COLUMN_NAME, &model_pkg, -1);
 390                                 if (g_str_equal (model_pkg, pkg->data))
 391                                 {
 392                                         gtk_list_store_set (GTK_LIST_STORE (chooser->priv->model), &iter,
 393                                                             COLUMN_ACTIVE, TRUE, -1);
 394                                 }
 395                                 g_free (model_pkg);
 396                         }
 397                         while (gtk_tree_model_iter_next (chooser->priv->model,
 398                                                          &iter));
 399                 }
 400         }
 401 }
 402
 403 /*
 404  * anjuta_pkg_config_chooser_show_active_only:
 405  * @chooser: A AnjutaPkgConfigChooser
 406  * @show_selected: whether to show only activated packages
 407  *
 408  * Show activated packages only, this is mainly useful when the tree is set
 409  * insensitive but the user should be able to see which packages have been activated
 410  */
 411 void
 412 anjuta_pkg_config_chooser_show_active_only (AnjutaPkgConfigChooser* chooser, gboolean show_selected)
 413 {
 414         g_return_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser));
 415
 416         chooser->priv->selected_only = show_selected;
 417         gtk_tree_model_filter_refilter (chooser->priv->filter_model);
 418 }
 419
 420 /*
 421  * anjuta_pkg_config_chooser_show_active_column:
 422  * @chooser: A AnjutaPkgConfigChooser
 423  * @show_column: whether the active column should be shown
 424  *
 425  * Can be used to hide the active column in situation where you are more interested
 426  * in the selection then in the activated packages.
 427  */
 428 void
 429 anjuta_pkg_config_chooser_show_active_column (AnjutaPkgConfigChooser* chooser, gboolean show_column)
 430 {
 431         GtkTreeViewColumn* column;
 432
 433         g_return_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser));
 434
 435         column = gtk_tree_view_get_column (GTK_TREE_VIEW (chooser), COLUMN_ACTIVE);
 436         gtk_tree_view_column_set_visible (column, show_column);
 437 }
 438
 439 /*
 440  * anjuta_pkg_config_chooser_get_selected_package:
 441  * @chooser: A AnjutaPkgConfigChooser
 442  *
 443  * Return value: the currently selected packages in the list
 444  *
 445  */
 446 gchar*
 447 anjuta_pkg_config_chooser_get_selected_package (AnjutaPkgConfigChooser* chooser)
 448 {
 449         GtkTreeIter sort_iter;
 450         GtkTreeSelection* selection;
 451
 452         g_return_val_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser), NULL);
 453
 454         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (chooser));
 455
 456         if (gtk_tree_selection_get_selected (selection, NULL, &sort_iter))
 457         {
 458                 gchar* package;
 459                 GtkTreeIter filter_iter;
 460                 GtkTreeIter iter;
 461                 gtk_tree_model_sort_convert_iter_to_child_iter (chooser->priv->sort_model,
 462                                                                 &filter_iter, &sort_iter);
 463                 gtk_tree_model_filter_convert_iter_to_child_iter (chooser->priv->filter_model,
 464                                                                   &iter, &filter_iter);
 465                 gtk_tree_model_get (chooser->priv->model, &iter, COLUMN_NAME, &package, -1);
 466
 467                 return package;
 468         }
 469         return NULL;
 470 }