src/gtk/pluginwindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail Team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include <glib.h>
  26 #include <glib/gi18n.h>
  27 #include <string.h>
  28
  29 #include <gtk/gtk.h>
  30 #include <gdk/gdkkeysyms.h>
  31
  32 #include "defs.h"
  33 #include "plugin.h"
  34
  35 #include "filesel.h"
  36 #include "alertpanel.h"
  37 #include "prefs_common.h"
  38 #include "../inc.h"
  39 #include "manual.h"
  40 #include "manage_window.h"
  41
  42 enum {
  43         PLUGINWINDOW_NAME,              /*<! plugin name */
  44         PLUGINWINDOW_DATA,              /*<! Plugin pointer */
  45         PLUGINWINDOW_STYLE,             /*<! italic if error */
  46         N_PLUGINWINDOW_COLUMNS
  47 };
  48
  49 typedef struct _PluginWindow
  50 {
  51         GtkWidget *window;
  52         GtkWidget *plugin_list_view;
  53         GtkWidget *plugin_desc;
  54         GtkWidget *unload_btn;
  55
  56         Plugin *selected_plugin;
  57
  58         gboolean loading;
  59 } PluginWindow;
  60
  61 static GtkListStore* pluginwindow_create_data_store     (void);
  62 static GtkWidget *pluginwindow_list_view_create         (PluginWindow *pluginwindow);
  63 static void pluginwindow_create_list_view_columns       (GtkWidget *list_view);
  64 static gboolean pluginwindow_selected                   (GtkTreeSelection *selector,
  65                                                          GtkTreeModel *model,
  66                                                          GtkTreePath *path,
  67                                                          gboolean currently_selected,
  68                                                          gpointer data);
  69
  70 static void close_cb(GtkButton *button, PluginWindow *pluginwindow)
  71 {
  72         if (pluginwindow->loading)
  73                 return;
  74         gtk_widget_destroy(pluginwindow->window);
  75         g_free(pluginwindow);
  76         plugin_save_list();
  77         inc_unlock();
  78 }
  79
  80 static gint pluginwindow_delete_cb(GtkWidget *widget, GdkEventAny *event,
  81                                   PluginWindow *pluginwindow)
  82 {
  83         if (pluginwindow->loading)
  84                 return FALSE;
  85         close_cb(NULL,pluginwindow);
  86         return TRUE;
  87 }
  88
  89 static void set_plugin_list(PluginWindow *pluginwindow)
  90 {
  91         GSList *plugins, *cur, *unloaded;
  92         const gchar *text;
  93         GtkListStore *store;
  94         GtkTreeIter iter;
  95         GtkTextBuffer *textbuf;
  96         GtkTextIter start_iter, end_iter;
  97         GtkTreeSelection *selection;
  98
  99         plugins = plugin_get_list();
 100         unloaded = plugin_get_unloaded_list();
 101
 102         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
 103                                 (pluginwindow->plugin_list_view)));
 104         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 105                                              0, GTK_SORT_ASCENDING);
 106         gtk_list_store_clear(store);
 107
 108         textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pluginwindow->plugin_desc));
 109         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
 110         gtk_text_view_set_editable(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
 111         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
 112         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 113         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 114         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 115
 116         for(cur = plugins; cur != NULL; cur = g_slist_next(cur)) {
 117                 Plugin *plugin = (Plugin *) cur->data;
 118
 119                 gtk_list_store_append(store, &iter);
 120                 text = plugin_get_name(plugin);
 121                 gtk_list_store_set(store, &iter,
 122                                    PLUGINWINDOW_NAME, text,
 123                                    PLUGINWINDOW_DATA, plugin,
 124                                    PLUGINWINDOW_STYLE, PANGO_STYLE_NORMAL,
 125                                    -1);
 126         }
 127
 128         for(cur = unloaded; cur != NULL; cur = g_slist_next(cur)) {
 129                 Plugin *plugin = (Plugin *) cur->data;
 130
 131                 gtk_list_store_append(store, &iter);
 132                 text = plugin_get_name(plugin);
 133                 gtk_list_store_set(store, &iter,
 134                                    PLUGINWINDOW_NAME, text,
 135                                    PLUGINWINDOW_DATA, plugin,
 136                                    PLUGINWINDOW_STYLE, PANGO_STYLE_ITALIC,
 137                                    -1);
 138         }
 139
 140         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(pluginwindow->plugin_list_view));
 141         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
 142                 gtk_tree_selection_select_iter(selection, &iter);
 143
 144         g_slist_free(plugins);
 145 }
 146
 147 static void select_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 148 {
 149         GtkTextView *plugin_desc = GTK_TEXT_VIEW(pluginwindow->plugin_desc);
 150         GtkTextBuffer *textbuf = gtk_text_view_get_buffer(plugin_desc);
 151         GtkTextIter start_iter, end_iter;
 152         gchar *text;
 153
 154         pluginwindow->selected_plugin = plugin;
 155
 156         if (pluginwindow->selected_plugin != NULL) {
 157                 const gchar *desc = plugin_get_desc(plugin);
 158                 const gchar *err = plugin_get_error(plugin);
 159                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
 160                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 161                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 162
 163                 if (err == NULL)
 164                         text = g_strconcat(desc, _("\n\nVersion: "),
 165                                    plugin_get_version(plugin), "\n", NULL);
 166                 else
 167                         text = g_strconcat(_("Error: "),
 168                                    err, "\n", _("Plugin is not functional."),
 169                                    "\n\n", desc, _("\n\nVersion: "),
 170                                    plugin_get_version(plugin), "\n", NULL);
 171                 gtk_text_buffer_insert(textbuf, &start_iter, text, strlen(text));
 172                 g_free(text);
 173                 gtk_widget_set_sensitive(pluginwindow->unload_btn, TRUE);
 174         } else {
 175                 gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 176         }
 177 }
 178
 179 static void unselect_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 180 {
 181         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 182 }
 183
 184 static void unload_cb(GtkButton *button, PluginWindow *pluginwindow)
 185 {
 186         Plugin *plugin = pluginwindow->selected_plugin;
 187
 188         cm_return_if_fail(plugin != NULL);
 189         pluginwindow->loading = TRUE;
 190         plugin_unload(plugin);
 191         pluginwindow->loading = FALSE;
 192         pluginwindow->selected_plugin = NULL;
 193         set_plugin_list(pluginwindow);
 194 }
 195
 196 static void load_cb(GtkButton *button, PluginWindow *pluginwindow)
 197 {
 198         GList *file_list;
 199
 200         file_list = filesel_select_multiple_files_open_with_filter(
 201                         _("Select the Plugins to load"), get_plugin_dir(),
 202                         "*." G_MODULE_SUFFIX);
 203
 204         if (file_list) {
 205                 GList *tmp;
 206                 pluginwindow->loading = TRUE;
 207                 for ( tmp = file_list; tmp; tmp = tmp->next) {
 208                         gchar *file, *error = NULL;
 209
 210                         file = (gchar *) tmp->data;
 211                         if (!file) continue;
 212                         plugin_load(file, &error);
 213                         if (error != NULL) {
 214                                 gchar *basename = g_path_get_basename(file);
 215                                 alertpanel_error(
 216                                 _("The following error occurred while loading %s :\n\n%s\n"),
 217                                 basename, error);
 218                                 g_free(basename);
 219                                 g_free(error);
 220                         }
 221
 222                         /* FIXME: globally or atom-ly : ? */
 223                         set_plugin_list(pluginwindow);
 224                         g_free(file);
 225                 }
 226                 pluginwindow->loading = FALSE;
 227                 g_list_free(file_list);
 228         }
 229 }
 230
 231 static gboolean pluginwindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 232                                      PluginWindow *pluginwindow)
 233 {
 234         if (event) {
 235                 switch (event->keyval) {
 236                         case GDK_KEY_Escape :
 237                         case GDK_KEY_Return :
 238                         case GDK_KEY_KP_Enter :
 239                                 close_cb(NULL, pluginwindow);
 240                                 break;
 241                         case GDK_KEY_Insert :
 242                         case GDK_KEY_KP_Insert :
 243                         case GDK_KEY_KP_Add :
 244                         case GDK_KEY_plus :
 245                                 load_cb(NULL, pluginwindow);
 246                                 break;
 247                         case GDK_KEY_Delete :
 248                         case GDK_KEY_KP_Delete :
 249                         case GDK_KEY_KP_Subtract :
 250                         case GDK_KEY_minus :
 251                                 unload_cb(NULL, pluginwindow);
 252                                 break;
 253                         default :
 254                                 break;
 255                 }
 256         }
 257         return FALSE;
 258 }
 259
 260 /*!
 261  *\brief        Save Gtk object size to prefs dataset
 262  */
 263 static void pluginwindow_size_allocate_cb(GtkWidget *widget,
 264                                          GtkAllocation *allocation)
 265 {
 266         cm_return_if_fail(allocation != NULL);
 267
 268         prefs_common.pluginswin_width = allocation->width;
 269         prefs_common.pluginswin_height = allocation->height;
 270 }
 271
 272
 273 void pluginwindow_create()
 274 {
 275         PluginWindow *pluginwindow;
 276         GtkWidget *window;
 277         GtkWidget *vbox1;
 278         GtkWidget *hbox2;
 279         GtkWidget *scrolledwindow2;
 280         GtkWidget *plugin_list_view;
 281         GtkWidget *vbox2;
 282         GtkWidget *frame2;
 283         GtkWidget *label13;
 284         GtkWidget *scrolledwindow3;
 285         GtkWidget *plugin_desc;
 286         GtkWidget *hbuttonbox1;
 287         GtkWidget *hbuttonbox2;
 288         GtkWidget *help_btn;
 289         GtkWidget *load_btn;
 290         GtkWidget *unload_btn;
 291         GtkWidget *close_btn;
 292         GtkWidget *get_more_btn;
 293         GtkWidget *desc_lbl;
 294         GtkWidget *vbox3;
 295         GtkWidget *hbox_info;
 296         static GdkGeometry geometry;
 297
 298         debug_print("Creating plugins window...\n");
 299
 300         pluginwindow = g_new0(PluginWindow, 1);
 301
 302         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "pluginwindow");
 303         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 304         gtk_window_set_title(GTK_WINDOW(window), _("Plugins"));
 305         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 306         manage_window_set_transient(GTK_WINDOW(window));
 307
 308         vbox1 = gtk_vbox_new(FALSE, 4);
 309         gtk_widget_show(vbox1);
 310         gtk_container_add(GTK_CONTAINER(window), vbox1);
 311         gtk_box_set_homogeneous(GTK_BOX(vbox1), FALSE);
 312         gtk_widget_realize(window);
 313
 314         hbox2 = gtk_hbox_new(FALSE, 8);
 315         gtk_widget_show(hbox2);
 316         gtk_box_pack_start(GTK_BOX(vbox1), hbox2, TRUE, TRUE, 0);
 317
 318         vbox3 = gtk_vbox_new(FALSE, 4);
 319         gtk_widget_show(vbox3);
 320         gtk_box_pack_start(GTK_BOX(hbox2), vbox3, FALSE, FALSE, 0);
 321
 322         scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 323         gtk_widget_show(scrolledwindow2);
 324         gtk_box_pack_start(GTK_BOX(vbox3), scrolledwindow2, TRUE, TRUE, 0);
 325         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwindow2),
 326                                         GTK_SHADOW_ETCHED_IN);
 327         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 328                                        (scrolledwindow2), GTK_POLICY_NEVER,
 329                                        GTK_POLICY_AUTOMATIC);
 330
 331         plugin_list_view = pluginwindow_list_view_create(pluginwindow);
 332         gtk_widget_show(plugin_list_view);
 333         gtk_container_add(GTK_CONTAINER(scrolledwindow2), plugin_list_view);
 334         gtk_widget_grab_focus(GTK_WIDGET(plugin_list_view));
 335
 336         gtkut_stock_button_set_create(&hbuttonbox1,
 337                                 &load_btn, _("Load..."),
 338                                 &unload_btn, _("Unload"),
 339                                 NULL, NULL);
 340         gtk_widget_show(hbuttonbox1);
 341         gtk_box_pack_start(GTK_BOX(vbox3), hbuttonbox1, FALSE, FALSE, 0);
 342
 343         vbox2 = gtk_vbox_new(FALSE, 0);
 344         gtk_widget_show(vbox2);
 345         gtk_box_pack_start(GTK_BOX(hbox2), vbox2, TRUE, TRUE, 0);
 346
 347         frame2 = gtk_frame_new(NULL);
 348         gtk_widget_show(frame2);
 349         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
 350
 351         label13 = gtk_label_new(_("Description"));
 352         gtk_widget_show(label13);
 353         gtk_container_add(GTK_CONTAINER(frame2), label13);
 354         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
 355         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
 356
 357         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
 358         gtk_widget_show(scrolledwindow3);
 359         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
 360         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwindow3),
 361                                         GTK_SHADOW_ETCHED_IN);
 362         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 363                                        (scrolledwindow3), GTK_POLICY_NEVER,
 364                                        GTK_POLICY_ALWAYS);
 365
 366         plugin_desc = gtk_text_view_new();
 367         gtk_widget_show(plugin_desc);
 368         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
 369
 370         hbox_info = gtk_hbox_new(FALSE, 5);
 371         gtk_widget_show(hbox_info);
 372
 373         desc_lbl = gtk_label_new(_("More plugins are available from the "
 374                                    "Claws Mail website."));
 375         gtk_misc_set_alignment(GTK_MISC(desc_lbl), 0, 0.5);
 376         gtk_widget_show(desc_lbl);
 377         gtk_box_pack_start(GTK_BOX(hbox_info), desc_lbl, FALSE, FALSE, 0);
 378
 379         get_more_btn = gtkut_get_link_btn(window, PLUGINS_URI, _("Get more..."));
 380         gtk_misc_set_alignment(GTK_MISC(gtk_bin_get_child(GTK_BIN((get_more_btn)))), 0, 0.5);
 381         gtk_widget_show(get_more_btn);
 382         gtk_box_pack_start(GTK_BOX(hbox_info), get_more_btn, FALSE, FALSE, 0);
 383         gtk_box_pack_start(GTK_BOX(hbox_info), gtk_label_new(""), TRUE, TRUE, 0);
 384         gtk_box_pack_start(GTK_BOX(vbox1), hbox_info, FALSE, FALSE, 0);
 385
 386         gtkut_stock_button_set_create_with_help(&hbuttonbox2, &help_btn,
 387                         &close_btn, GTK_STOCK_CLOSE,
 388                         NULL, NULL, NULL, NULL);
 389
 390         gtk_box_set_spacing(GTK_BOX(hbuttonbox2), 6);
 391         gtk_widget_show(hbuttonbox2);
 392         gtk_box_pack_end(GTK_BOX(vbox1), hbuttonbox2, FALSE, FALSE, 0);
 393
 394         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
 395         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
 396
 397         g_signal_connect(G_OBJECT(help_btn), "clicked",
 398                          G_CALLBACK(manual_open_with_anchor_cb),
 399                          MANUAL_ANCHOR_PLUGINS);
 400         g_signal_connect(G_OBJECT(load_btn), "clicked",
 401                          G_CALLBACK(load_cb), pluginwindow);
 402         g_signal_connect(G_OBJECT(unload_btn), "clicked",
 403                          G_CALLBACK(unload_cb), pluginwindow);
 404         g_signal_connect(G_OBJECT(close_btn), "clicked",
 405                          G_CALLBACK(close_cb), pluginwindow);
 406         g_signal_connect(G_OBJECT(window), "size_allocate",
 407                          G_CALLBACK(pluginwindow_size_allocate_cb), NULL);
 408         g_signal_connect(G_OBJECT(window), "key_press_event",
 409                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
 410         g_signal_connect(G_OBJECT(window), "delete_event",
 411                          G_CALLBACK(pluginwindow_delete_cb), pluginwindow);
 412         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 413
 414         CLAWS_SET_TIP(load_btn,
 415                         _("Click here to load one or more plugins"));
 416
 417         CLAWS_SET_TIP(unload_btn,
 418                         _("Unload the selected plugin"));
 419
 420         pluginwindow->window = window;
 421         pluginwindow->plugin_list_view = plugin_list_view;
 422         pluginwindow->plugin_desc = plugin_desc;
 423         pluginwindow->unload_btn = unload_btn;
 424         pluginwindow->selected_plugin = NULL;
 425
 426         set_plugin_list(pluginwindow);
 427
 428         inc_lock();
 429
 430         if (!geometry.min_height) {
 431                 geometry.min_width = -1;
 432                 geometry.min_height = 300;
 433         }
 434
 435         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 436                                       GDK_HINT_MIN_SIZE);
 437         gtk_window_set_default_size(GTK_WINDOW(window), prefs_common.pluginswin_width,
 438                                     prefs_common.pluginswin_height);
 439
 440         gtk_widget_show(window);
 441 }
 442
 443 static GtkListStore* pluginwindow_create_data_store(void)
 444 {
 445         return gtk_list_store_new(N_PLUGINWINDOW_COLUMNS,
 446                                   G_TYPE_STRING,
 447                                   G_TYPE_POINTER,
 448                                   PANGO_TYPE_STYLE,
 449                                   -1);
 450 }
 451
 452 static GtkWidget *pluginwindow_list_view_create(PluginWindow *pluginwindow)
 453 {
 454         GtkTreeView *list_view;
 455         GtkTreeSelection *selector;
 456         GtkTreeModel *model;
 457
 458         model = GTK_TREE_MODEL(pluginwindow_create_data_store());
 459         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 460         g_object_unref(model);
 461
 462         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 463         gtk_tree_view_set_search_column (list_view, 0);
 464
 465         selector = gtk_tree_view_get_selection(list_view);
 466         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 467         gtk_tree_selection_set_select_function(selector, pluginwindow_selected,
 468                                                pluginwindow, NULL);
 469
 470         /* create the columns */
 471         pluginwindow_create_list_view_columns(GTK_WIDGET(list_view));
 472
 473         return GTK_WIDGET(list_view);
 474 }
 475
 476 static void pluginwindow_create_list_view_columns(GtkWidget *list_view)
 477 {
 478         GtkTreeViewColumn *column;
 479         GtkCellRenderer *renderer;
 480
 481         renderer = gtk_cell_renderer_text_new();
 482         column = gtk_tree_view_column_new_with_attributes
 483                 (_("Loaded plugins"),
 484                  renderer,
 485                  "text", PLUGINWINDOW_NAME,
 486                  "style", PLUGINWINDOW_STYLE,
 487                  NULL);
 488         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 489 }
 490
 491 static gboolean pluginwindow_selected(GtkTreeSelection *selector,
 492                                       GtkTreeModel *model,
 493                                       GtkTreePath *path,
 494                                       gboolean currently_selected,
 495                                       gpointer data)
 496 {
 497         GtkTreeIter iter;
 498         Plugin *plugin;
 499
 500         if (!gtk_tree_model_get_iter(model, &iter, path))
 501                 return TRUE;
 502
 503         gtk_tree_model_get(model, &iter,
 504                            PLUGINWINDOW_DATA, &plugin,
 505                            -1);
 506
 507         if (currently_selected)
 508                 unselect_row_cb(plugin, data);
 509         else
 510                 select_row_cb(plugin, data);
 511
 512         return TRUE;
 513 }
 514