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_foreach (chooser->priv->selected_cache, (GFunc) g_free, NULL);
 137
 138         g_object_unref (launcher);
 139 }
 140
 141 static void
 142 on_package_toggled (GtkCellRenderer* renderer,
 143                     const gchar* path,
 144                     AnjutaPkgConfigChooser* chooser)
 145 {
 146         GtkTreeIter sort_iter;
 147         GtkTreeIter filter_iter;
 148         GtkTreeIter iter;
 149         gboolean active;
 150         gchar* package;
 151
 152         GtkTreePath* tree_path = gtk_tree_path_new_from_string (path);
 153
 154         gtk_tree_model_get_iter (GTK_TREE_MODEL (chooser->priv->sort_model),
 155                                  &sort_iter, tree_path);
 156         gtk_tree_model_sort_convert_iter_to_child_iter (chooser->priv->sort_model,
 157                                                         &filter_iter, &sort_iter);
 158         gtk_tree_model_filter_convert_iter_to_child_iter (chooser->priv->filter_model,
 159                                                           &iter, &filter_iter);
 160         g_object_get (renderer, "active", &active, NULL);
 161
 162         active = !active;
 163
 164         gtk_list_store_set (GTK_LIST_STORE (chooser->priv->model),
 165                             &iter, COLUMN_ACTIVE, active, -1);
 166         gtk_tree_model_get (chooser->priv->model, &iter,
 167                             COLUMN_NAME, &package, -1);
 168
 169         if (active)
 170                 g_signal_emit_by_name (chooser, "package-activated", package, NULL);
 171         else
 172                 g_signal_emit_by_name (chooser, "package-deactivated", package, NULL);
 173 }
 174
 175 static void
 176 anjuta_pkg_config_chooser_init (AnjutaPkgConfigChooser *chooser)
 177 {
 178         GtkTreeViewColumn* column;
 179         GtkCellRenderer* renderer;
 180
 181         chooser->priv = G_TYPE_INSTANCE_GET_PRIVATE (chooser, ANJUTA_TYPE_PKG_CONFIG_CHOOSER,
 182                                                      AnjutaPkgConfigChooserPrivate);
 183
 184         /* Create model */
 185         chooser->priv->model = GTK_TREE_MODEL (gtk_list_store_new (N_COLUMNS,
 186                                                                    G_TYPE_BOOLEAN,
 187                                                                    G_TYPE_STRING,
 188                                                                    G_TYPE_STRING));
 189         chooser->priv->filter_model = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (chooser->priv->model,
 190                                                                                         NULL));
 191         gtk_tree_model_filter_set_visible_func (chooser->priv->filter_model,
 192                                                 filter_visible_func,
 193                                                 chooser, NULL);
 194
 195         chooser->priv->sort_model =
 196                 GTK_TREE_MODEL_SORT (gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL(chooser->priv->filter_model)));
 197         gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (chooser->priv->sort_model),
 198                                               COLUMN_NAME, GTK_SORT_ASCENDING);
 199
 200         gtk_tree_view_set_model (GTK_TREE_VIEW (chooser),
 201                                  GTK_TREE_MODEL (chooser->priv->sort_model));
 202
 203         /* Create columns */
 204         renderer = gtk_cell_renderer_toggle_new ();
 205         g_signal_connect (renderer, "toggled", G_CALLBACK(on_package_toggled), chooser);
 206         column = gtk_tree_view_column_new_with_attributes ("",
 207                                                            renderer,
 208                                                            "active", COLUMN_ACTIVE,
 209                                                            NULL);
 210         gtk_tree_view_append_column (GTK_TREE_VIEW (chooser), column);
 211
 212         renderer = gtk_cell_renderer_text_new ();
 213         column = gtk_tree_view_column_new_with_attributes ("",
 214                                                            renderer,
 215                                                            "text", COLUMN_NAME,
 216                                                            NULL);
 217         gtk_tree_view_append_column (GTK_TREE_VIEW (chooser), column);
 218         renderer = gtk_cell_renderer_text_new ();
 219         column = gtk_tree_view_column_new_with_attributes ("",
 220                                                            renderer,
 221                                                            "text", COLUMN_DESCRIPTION,
 222                                                            NULL);
 223         gtk_tree_view_append_column (GTK_TREE_VIEW (chooser), column);
 224         gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (chooser), FALSE);
 225
 226         /* Create launcher */
 227         chooser->priv->scanning = TRUE;
 228         chooser->priv->launcher = anjuta_launcher_new ();
 229         anjuta_launcher_set_check_passwd_prompt (chooser->priv->launcher,
 230                                                  FALSE);
 231
 232         g_signal_connect (G_OBJECT (chooser->priv->launcher), "child-exited",
 233                           G_CALLBACK (on_listall_exit), chooser);
 234
 235         anjuta_launcher_execute (chooser->priv->launcher,
 236                                  PKG_CONFIG_LIST_ALL, on_listall_output,
 237                                  chooser);
 238 }
 239
 240 static void
 241 anjuta_pkg_config_chooser_finalize (GObject *object)
 242 {
 243
 244         G_OBJECT_CLASS (anjuta_pkg_config_chooser_parent_class)->finalize (object);
 245 }
 246
 247 static void
 248 anjuta_pkg_config_chooser_class_init (AnjutaPkgConfigChooserClass *klass)
 249 {
 250         GObjectClass* object_class = G_OBJECT_CLASS (klass);
 251
 252         object_class->finalize = anjuta_pkg_config_chooser_finalize;
 253
 254         /**
 255          * AnjutaPkgConfigChooser::package-activated:
 256          * @widget: the AnjutaPkgConfigChooser that received the signal
 257          * @package: Name of the package that was activated
 258          *
 259          * The ::package-activated signal is emitted when a package is activated in the list
 260          */
 261         pkg_config_chooser_signals[PACKAGE_ACTIVATED] =
 262                 g_signal_new ("package-activated",
 263                               G_OBJECT_CLASS_TYPE (klass),
 264                               0,
 265                               G_STRUCT_OFFSET (AnjutaPkgConfigChooserClass, package_activated),
 266                               NULL, NULL,
 267                               g_cclosure_marshal_VOID__STRING,
 268                               G_TYPE_NONE, 1,
 269                               G_TYPE_STRING);
 270         /**
 271          * AnjutaPkgConfigChooser::package-deactivated:
 272          * @widget: the AnjutaPkgConfigChooser that received the signal
 273          * @package: Name of the package that was deactivated
 274          *
 275          * The ::package-activated signal is emitted when a package is deactivated in the list
 276          */
 277         pkg_config_chooser_signals[PACKAGE_DEACTIVATED] =
 278                 g_signal_new ("package-deactivated",
 279                               G_OBJECT_CLASS_TYPE (klass),
 280                               0,
 281                               G_STRUCT_OFFSET (AnjutaPkgConfigChooserClass, package_deactivated),
 282                               NULL, NULL,
 283                               g_cclosure_marshal_VOID__STRING,
 284                               G_TYPE_NONE, 1,
 285                               G_TYPE_STRING);
 286
 287         g_type_class_add_private (klass, sizeof(AnjutaPkgConfigChooserPrivate));
 288 }
 289
 290 /*
 291  * anjuta_pkg_config_chooser_new:
 292  *
 293  * Returns: A new AnjutaPkgConfigChooser widget
 294  */
 295 GtkWidget*
 296 anjuta_pkg_config_chooser_new (void)
 297 {
 298         return GTK_WIDGET (g_object_new (ANJUTA_TYPE_PKG_CONFIG_CHOOSER, NULL));
 299 }
 300
 301 /*
 302  * anjuta_pkg_config_chooser_get_active_packages:
 303  * @chooser: A AnjutaPkgConfigChooser
 304  *
 305  * Return value: (element-type utf8) (transfer full):
 306  * List of packages that are activated
 307  */
 308 GList*
 309 anjuta_pkg_config_chooser_get_active_packages (AnjutaPkgConfigChooser* chooser)
 310 {
 311         GList* packages = NULL;
 312         GtkTreeIter iter;
 313
 314         g_return_val_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser), NULL);
 315
 316         if (gtk_tree_model_get_iter_first (chooser->priv->model, &iter))
 317         {
 318                 do
 319                 {
 320                         gchar* model_pkg;
 321                         gboolean active;
 322                         gtk_tree_model_get (chooser->priv->model, &iter,
 323                                             COLUMN_NAME, &model_pkg,
 324                                             COLUMN_ACTIVE, &active, -1);
 325                         if (active)
 326                         {
 327                                 packages = g_list_append (packages, model_pkg);
 328                         }
 329                 }
 330                 while (gtk_tree_model_iter_next (chooser->priv->model,
 331                                                  &iter));
 332         }
 333         return packages;
 334 }
 335
 336 /*
 337  * anjuta_pkg_config_chooser_get_active_packages:
 338  * @chooser: A AnjutaPkgConfigChooser
 339  * @packages: (element-type utf8) (transfer full): List of packages to be activated in the list
 340  *
 341  */
 342 void
 343 anjuta_pkg_config_chooser_set_active_packages (AnjutaPkgConfigChooser* chooser, GList* packages)
 344 {
 345         GList* pkg;
 346
 347         g_return_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser));
 348
 349         for (pkg = packages; pkg != NULL; pkg = g_list_next (pkg))
 350         {
 351                 GtkTreeIter iter;
 352                 if (chooser->priv->scanning)
 353                 {
 354                         chooser->priv->selected_cache = g_list_append (chooser->priv->selected_cache,
 355                                                                        g_strdup(pkg->data));
 356                 }
 357                 else if (gtk_tree_model_get_iter_first (chooser->priv->model, &iter))
 358                 {
 359                         do
 360                         {
 361                                 gchar* model_pkg;
 362                                 gtk_tree_model_get (chooser->priv->model, &iter,
 363                                                     COLUMN_NAME, &model_pkg, -1);
 364                                 if (g_str_equal (model_pkg, pkg->data))
 365                                 {
 366                                         gtk_list_store_set (GTK_LIST_STORE (chooser->priv->model), &iter,
 367                                                             COLUMN_ACTIVE, TRUE, -1);
 368                                 }
 369                                 g_free (model_pkg);
 370                         }
 371                         while (gtk_tree_model_iter_next (chooser->priv->model,
 372                                                          &iter));
 373                 }
 374         }
 375 }
 376
 377 /*
 378  * anjuta_pkg_config_chooser_show_active_only:
 379  * @chooser: A AnjutaPkgConfigChooser
 380  * @show_selected: whether to show only activated packages
 381  *
 382  * Show activated packages only, this is mainly useful when the tree is set
 383  * insensitive but the user should be able to see which packages have been activated
 384  */
 385 void
 386 anjuta_pkg_config_chooser_show_active_only (AnjutaPkgConfigChooser* chooser, gboolean show_selected)
 387 {
 388         g_return_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser));
 389
 390         chooser->priv->selected_only = show_selected;
 391         gtk_tree_model_filter_refilter (chooser->priv->filter_model);
 392 }
 393
 394 /*
 395  * anjuta_pkg_config_chooser_show_active_column:
 396  * @chooser: A AnjutaPkgConfigChooser
 397  * @show_column: whether the active column should be shown
 398  *
 399  * Can be used to hide the active column in situation where you are more interested
 400  * in the selection then in the activated packages.
 401  */
 402 void
 403 anjuta_pkg_config_chooser_show_active_column (AnjutaPkgConfigChooser* chooser, gboolean show_column)
 404 {
 405         GtkTreeViewColumn* column;
 406
 407         g_return_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser));
 408
 409         column = gtk_tree_view_get_column (GTK_TREE_VIEW (chooser), COLUMN_ACTIVE);
 410         gtk_tree_view_column_set_visible (column, show_column);
 411 }
 412
 413 /*
 414  * anjuta_pkg_config_chooser_get_selected_package:
 415  * @chooser: A AnjutaPkgConfigChooser
 416  *
 417  * Return value: the currently selected packages in the list
 418  *
 419  */
 420 gchar*
 421 anjuta_pkg_config_chooser_get_selected_package (AnjutaPkgConfigChooser* chooser)
 422 {
 423         GtkTreeIter sort_iter;
 424         GtkTreeSelection* selection;
 425
 426         g_return_val_if_fail (ANJUTA_IS_PKG_CONFIG_CHOOSER (chooser), NULL);
 427
 428         selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (chooser));
 429
 430         if (gtk_tree_selection_get_selected (selection, NULL, &sort_iter))
 431         {
 432                 gchar* package;
 433                 GtkTreeIter filter_iter;
 434                 GtkTreeIter iter;
 435                 gtk_tree_model_sort_convert_iter_to_child_iter (chooser->priv->sort_model,
 436                                                                 &filter_iter, &sort_iter);
 437                 gtk_tree_model_filter_convert_iter_to_child_iter (chooser->priv->filter_model,
 438                                                                   &iter, &filter_iter);
 439                 gtk_tree_model_get (chooser->priv->model, &iter, COLUMN_NAME, &package, -1);
 440
 441                 return package;
 442         }
 443         return NULL;
 444 }