src/gtk/pluginwindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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 #endif
  23
  24 #include <glib.h>
  25 #include <glib/gi18n.h>
  26 #include <string.h>
  27
  28 #include <gtk/gtk.h>
  29 #include <gdk/gdkkeysyms.h>
  30
  31 #include "defs.h"
  32 #include "plugin.h"
  33
  34 #include "filesel.h"
  35 #include "alertpanel.h"
  36 #include "prefs_common.h"
  37 #include "../inc.h"
  38 #include "manual.h"
  39 #include "manage_window.h"
  40
  41 enum {
  42         PLUGINWINDOW_NAME,              /*<! plugin name */
  43         PLUGINWINDOW_DATA,              /*<! Plugin pointer */
  44         PLUGINWINDOW_STYLE,             /*<! italic if error */
  45         N_PLUGINWINDOW_COLUMNS
  46 };
  47
  48 typedef struct _PluginWindow
  49 {
  50         GtkWidget *window;
  51         GtkWidget *plugin_list_view;
  52         GtkWidget *plugin_desc;
  53         GtkWidget *unload_btn;
  54
  55         Plugin *selected_plugin;
  56
  57         gboolean loading;
  58 } PluginWindow;
  59
  60 static GtkListStore* pluginwindow_create_data_store     (void);
  61 static GtkWidget *pluginwindow_list_view_create         (PluginWindow *pluginwindow);
  62 static void pluginwindow_create_list_view_columns       (GtkWidget *list_view);
  63 static gboolean pluginwindow_selected                   (GtkTreeSelection *selector,
  64                                                          GtkTreeModel *model,
  65                                                          GtkTreePath *path,
  66                                                          gboolean currently_selected,
  67                                                          gpointer data);
  68
  69 static void close_cb(GtkButton *button, PluginWindow *pluginwindow)
  70 {
  71         if (pluginwindow->loading)
  72                 return;
  73         gtk_widget_destroy(pluginwindow->window);
  74         g_free(pluginwindow);
  75         plugin_save_list();
  76         inc_unlock();
  77 }
  78
  79 static gint pluginwindow_delete_cb(GtkWidget *widget, GdkEventAny *event,
  80                                   PluginWindow *pluginwindow)
  81 {
  82         if (pluginwindow->loading)
  83                 return FALSE;
  84         close_cb(NULL,pluginwindow);
  85         return TRUE;
  86 }
  87
  88 static void set_plugin_list(PluginWindow *pluginwindow)
  89 {
  90         GSList *plugins, *cur, *unloaded;
  91         const gchar *text;
  92         GtkListStore *store;
  93         GtkTreeIter iter;
  94         GtkTextBuffer *textbuf;
  95         GtkTextIter start_iter, end_iter;
  96         GtkTreeSelection *selection;
  97
  98         plugins = plugin_get_list();
  99         unloaded = plugin_get_unloaded_list();
 100
 101         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
 102                                 (pluginwindow->plugin_list_view)));
 103         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 104                                              0, GTK_SORT_ASCENDING);
 105         gtk_list_store_clear(store);
 106
 107         textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pluginwindow->plugin_desc));
 108         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
 109         gtk_text_view_set_editable(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
 110         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
 111         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 112         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 113         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 114
 115         for(cur = plugins; cur != NULL; cur = g_slist_next(cur)) {
 116                 Plugin *plugin = (Plugin *) cur->data;
 117
 118                 gtk_list_store_append(store, &iter);
 119                 text = plugin_get_name(plugin);
 120                 gtk_list_store_set(store, &iter,
 121                                    PLUGINWINDOW_NAME, text,
 122                                    PLUGINWINDOW_DATA, plugin,
 123                                    PLUGINWINDOW_STYLE, PANGO_STYLE_NORMAL,
 124                                    -1);
 125         }
 126
 127         for(cur = unloaded; cur != NULL; cur = g_slist_next(cur)) {
 128                 Plugin *plugin = (Plugin *) cur->data;
 129
 130                 gtk_list_store_append(store, &iter);
 131                 text = plugin_get_name(plugin);
 132                 gtk_list_store_set(store, &iter,
 133                                    PLUGINWINDOW_NAME, text,
 134                                    PLUGINWINDOW_DATA, plugin,
 135                                    PLUGINWINDOW_STYLE, PANGO_STYLE_ITALIC,
 136                                    -1);
 137         }
 138
 139         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(pluginwindow->plugin_list_view));
 140         if (gtk_tree_model_get_iter_first(GTK_TREE_MODEL(store), &iter))
 141                 gtk_tree_selection_select_iter(selection, &iter);
 142
 143         g_slist_free(plugins);
 144 }
 145
 146 static void select_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 147 {
 148         GtkTextView *plugin_desc = GTK_TEXT_VIEW(pluginwindow->plugin_desc);
 149         GtkTextBuffer *textbuf = gtk_text_view_get_buffer(plugin_desc);
 150         GtkTextIter start_iter, end_iter;
 151         gchar *text;
 152
 153         pluginwindow->selected_plugin = plugin;
 154
 155         if (pluginwindow->selected_plugin != NULL) {
 156                 const gchar *desc = plugin_get_desc(plugin);
 157                 const gchar *err = plugin_get_error(plugin);
 158                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
 159                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 160                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 161
 162                 if (err == NULL)
 163                         text = g_strconcat(desc, _("\n\nVersion: "),
 164                                    plugin_get_version(plugin), "\n", NULL);
 165                 else
 166                         text = g_strconcat(_("Error: "),
 167                                    err, "\n", _("Plugin is not functional."),
 168                                    "\n\n", desc, _("\n\nVersion: "),
 169                                    plugin_get_version(plugin), "\n", NULL);
 170                 gtk_text_buffer_insert(textbuf, &start_iter, text, strlen(text));
 171                 g_free(text);
 172                 gtk_widget_set_sensitive(pluginwindow->unload_btn, TRUE);
 173         } else {
 174                 gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 175         }
 176 }
 177
 178 static void unselect_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 179 {
 180         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 181 }
 182
 183 static void unload_cb(GtkButton *button, PluginWindow *pluginwindow)
 184 {
 185         Plugin *plugin = pluginwindow->selected_plugin;
 186
 187         cm_return_if_fail(plugin != NULL);
 188         pluginwindow->loading = TRUE;
 189         plugin_unload(plugin);
 190         pluginwindow->loading = FALSE;
 191         pluginwindow->selected_plugin = NULL;
 192         set_plugin_list(pluginwindow);
 193 }
 194
 195 static void load_cb(GtkButton *button, PluginWindow *pluginwindow)
 196 {
 197         GList *file_list;
 198
 199         file_list = filesel_select_multiple_files_open_with_filter(
 200                         _("Select the Plugins to load"), get_plugin_dir(),
 201                         "*." G_MODULE_SUFFIX);
 202
 203         if (file_list) {
 204                 GList *tmp;
 205                 pluginwindow->loading = TRUE;
 206                 for ( tmp = file_list; tmp; tmp = tmp->next) {
 207                         gchar *file, *error = NULL;
 208
 209                         file = (gchar *) tmp->data;
 210                         if (!file) continue;
 211                         plugin_load(file, &error);
 212                         if (error != NULL) {
 213                                 gchar *basename = g_path_get_basename(file);
 214                                 alertpanel_error(
 215                                 _("The following error occurred while loading %s :\n\n%s\n"),
 216                                 basename, error);
 217                                 g_free(basename);
 218                                 g_free(error);
 219                         }
 220
 221                         /* FIXME: globally or atom-ly : ? */
 222                         set_plugin_list(pluginwindow);
 223                         g_free(file);
 224                 }
 225                 pluginwindow->loading = FALSE;
 226                 g_list_free(file_list);
 227         }
 228 }
 229
 230 static gboolean pluginwindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 231                                      PluginWindow *pluginwindow)
 232 {
 233         if (event) {
 234                 switch (event->keyval) {
 235                         case GDK_KEY_Escape :
 236                         case GDK_KEY_Return :
 237                         case GDK_KEY_KP_Enter :
 238                                 close_cb(NULL, pluginwindow);
 239                                 break;
 240                         case GDK_KEY_Insert :
 241                         case GDK_KEY_KP_Insert :
 242                         case GDK_KEY_KP_Add :
 243                         case GDK_KEY_plus :
 244                                 load_cb(NULL, pluginwindow);
 245                                 break;
 246                         case GDK_KEY_Delete :
 247                         case GDK_KEY_KP_Delete :
 248                         case GDK_KEY_KP_Subtract :
 249                         case GDK_KEY_minus :
 250                                 unload_cb(NULL, pluginwindow);
 251                                 break;
 252                         default :
 253                                 break;
 254                 }
 255         }
 256         return FALSE;
 257 }
 258
 259 /*!
 260  *\brief        Save Gtk object size to prefs dataset
 261  */
 262 static void pluginwindow_size_allocate_cb(GtkWidget *widget,
 263                                          GtkAllocation *allocation)
 264 {
 265         cm_return_if_fail(allocation != NULL);
 266
 267         prefs_common.pluginswin_width = allocation->width;
 268         prefs_common.pluginswin_height = allocation->height;
 269 }
 270
 271
 272 void pluginwindow_create()
 273 {
 274         PluginWindow *pluginwindow;
 275         GtkWidget *window;
 276         GtkWidget *vbox1;
 277         GtkWidget *hbox2;
 278         GtkWidget *scrolledwindow2;
 279         GtkWidget *plugin_list_view;
 280         GtkWidget *vbox2;
 281         GtkWidget *frame2;
 282         GtkWidget *label13;
 283         GtkWidget *scrolledwindow3;
 284         GtkWidget *plugin_desc;
 285         GtkWidget *hbuttonbox1;
 286         GtkWidget *hbuttonbox2;
 287         GtkWidget *help_btn;
 288         GtkWidget *load_btn;
 289         GtkWidget *unload_btn;
 290         GtkWidget *close_btn;
 291         GtkWidget *get_more_btn;
 292         GtkWidget *desc_lbl;
 293         GtkWidget *vbox3;
 294         GtkWidget *hbox_info;
 295         static GdkGeometry geometry;
 296
 297         debug_print("Creating plugins window...\n");
 298
 299         pluginwindow = g_new0(PluginWindow, 1);
 300
 301         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "pluginwindow");
 302         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 303         gtk_window_set_title(GTK_WINDOW(window), _("Plugins"));
 304         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 305         manage_window_set_transient(GTK_WINDOW(window));
 306
 307         vbox1 = gtk_vbox_new(FALSE, 4);
 308         gtk_widget_show(vbox1);
 309         gtk_container_add(GTK_CONTAINER(window), vbox1);
 310         gtk_box_set_homogeneous(GTK_BOX(vbox1), FALSE);
 311         gtk_widget_realize(window);
 312
 313         hbox2 = gtk_hbox_new(FALSE, 8);
 314         gtk_widget_show(hbox2);
 315         gtk_box_pack_start(GTK_BOX(vbox1), hbox2, TRUE, TRUE, 0);
 316
 317         vbox3 = gtk_vbox_new(FALSE, 4);
 318         gtk_widget_show(vbox3);
 319         gtk_box_pack_start(GTK_BOX(hbox2), vbox3, FALSE, FALSE, 0);
 320
 321         scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 322         gtk_widget_show(scrolledwindow2);
 323         gtk_box_pack_start(GTK_BOX(vbox3), scrolledwindow2, TRUE, TRUE, 0);
 324         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwindow2),
 325                                         GTK_SHADOW_ETCHED_IN);
 326         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 327                                        (scrolledwindow2), GTK_POLICY_NEVER,
 328                                        GTK_POLICY_AUTOMATIC);
 329
 330         plugin_list_view = pluginwindow_list_view_create(pluginwindow);
 331         gtk_widget_show(plugin_list_view);
 332         gtk_container_add(GTK_CONTAINER(scrolledwindow2), plugin_list_view);
 333         gtk_widget_grab_focus(GTK_WIDGET(plugin_list_view));
 334
 335         gtkut_stock_button_set_create(&hbuttonbox1,
 336                                 &load_btn, _("Load..."),
 337                                 &unload_btn, _("Unload"),
 338                                 NULL, NULL);
 339         gtk_widget_show(hbuttonbox1);
 340         gtk_box_pack_start(GTK_BOX(vbox3), hbuttonbox1, FALSE, FALSE, 0);
 341
 342         vbox2 = gtk_vbox_new(FALSE, 0);
 343         gtk_widget_show(vbox2);
 344         gtk_box_pack_start(GTK_BOX(hbox2), vbox2, TRUE, TRUE, 0);
 345
 346         frame2 = gtk_frame_new(NULL);
 347         gtk_widget_show(frame2);
 348         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
 349
 350         label13 = gtk_label_new(_("Description"));
 351         gtk_widget_show(label13);
 352         gtk_container_add(GTK_CONTAINER(frame2), label13);
 353         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
 354         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
 355
 356         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
 357         gtk_widget_show(scrolledwindow3);
 358         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
 359         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwindow3),
 360                                         GTK_SHADOW_ETCHED_IN);
 361         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 362                                        (scrolledwindow3), GTK_POLICY_NEVER,
 363                                        GTK_POLICY_ALWAYS);
 364
 365         plugin_desc = gtk_text_view_new();
 366         gtk_widget_show(plugin_desc);
 367         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
 368
 369         hbox_info = gtk_hbox_new(FALSE, 5);
 370         gtk_widget_show(hbox_info);
 371
 372         desc_lbl = gtk_label_new(_("More plugins are available from the "
 373                                    "Claws Mail website."));
 374         gtk_misc_set_alignment(GTK_MISC(desc_lbl), 0, 0.5);
 375         gtk_widget_show(desc_lbl);
 376         gtk_box_pack_start(GTK_BOX(hbox_info), desc_lbl, FALSE, FALSE, 0);
 377
 378         get_more_btn = gtkut_get_link_btn(window, PLUGINS_URI, _("Get more..."));
 379         gtk_misc_set_alignment(GTK_MISC(gtk_bin_get_child(GTK_BIN((get_more_btn)))), 0, 0.5);
 380         gtk_widget_show(get_more_btn);
 381         gtk_box_pack_start(GTK_BOX(hbox_info), get_more_btn, FALSE, FALSE, 0);
 382         gtk_box_pack_start(GTK_BOX(hbox_info), gtk_label_new(""), TRUE, TRUE, 0);
 383         gtk_box_pack_start(GTK_BOX(vbox1), hbox_info, FALSE, FALSE, 0);
 384
 385         gtkut_stock_button_set_create_with_help(&hbuttonbox2, &help_btn,
 386                         &close_btn, GTK_STOCK_CLOSE,
 387                         NULL, NULL, NULL, NULL);
 388
 389         gtk_box_set_spacing(GTK_BOX(hbuttonbox2), 6);
 390         gtk_widget_show(hbuttonbox2);
 391         gtk_box_pack_end(GTK_BOX(vbox1), hbuttonbox2, FALSE, FALSE, 0);
 392
 393         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
 394         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
 395
 396         g_signal_connect(G_OBJECT(help_btn), "clicked",
 397                          G_CALLBACK(manual_open_with_anchor_cb),
 398                          MANUAL_ANCHOR_PLUGINS);
 399         g_signal_connect(G_OBJECT(load_btn), "clicked",
 400                          G_CALLBACK(load_cb), pluginwindow);
 401         g_signal_connect(G_OBJECT(unload_btn), "clicked",
 402                          G_CALLBACK(unload_cb), pluginwindow);
 403         g_signal_connect(G_OBJECT(close_btn), "clicked",
 404                          G_CALLBACK(close_cb), pluginwindow);
 405         g_signal_connect(G_OBJECT(window), "size_allocate",
 406                          G_CALLBACK(pluginwindow_size_allocate_cb), NULL);
 407         g_signal_connect(G_OBJECT(window), "key_press_event",
 408                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
 409         g_signal_connect(G_OBJECT(window), "delete_event",
 410                          G_CALLBACK(pluginwindow_delete_cb), pluginwindow);
 411
 412         CLAWS_SET_TIP(load_btn,
 413                         _("Click here to load one or more plugins"));
 414
 415         CLAWS_SET_TIP(unload_btn,
 416                         _("Unload the selected plugin"));
 417
 418         pluginwindow->window = window;
 419         pluginwindow->plugin_list_view = plugin_list_view;
 420         pluginwindow->plugin_desc = plugin_desc;
 421         pluginwindow->unload_btn = unload_btn;
 422         pluginwindow->selected_plugin = NULL;
 423
 424         set_plugin_list(pluginwindow);
 425
 426         inc_lock();
 427
 428         if (!geometry.min_height) {
 429                 geometry.min_width = -1;
 430                 geometry.min_height = 300;
 431         }
 432
 433         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 434                                       GDK_HINT_MIN_SIZE);
 435         gtk_window_set_default_size(GTK_WINDOW(window), prefs_common.pluginswin_width,
 436                                     prefs_common.pluginswin_height);
 437
 438         gtk_widget_show(window);
 439 }
 440
 441 static GtkListStore* pluginwindow_create_data_store(void)
 442 {
 443         return gtk_list_store_new(N_PLUGINWINDOW_COLUMNS,
 444                                   G_TYPE_STRING,
 445                                   G_TYPE_POINTER,
 446                                   PANGO_TYPE_STYLE,
 447                                   -1);
 448 }
 449
 450 static GtkWidget *pluginwindow_list_view_create(PluginWindow *pluginwindow)
 451 {
 452         GtkTreeView *list_view;
 453         GtkTreeSelection *selector;
 454         GtkTreeModel *model;
 455
 456         model = GTK_TREE_MODEL(pluginwindow_create_data_store());
 457         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 458         g_object_unref(model);
 459
 460         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 461         gtk_tree_view_set_search_column (list_view, 0);
 462
 463         selector = gtk_tree_view_get_selection(list_view);
 464         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 465         gtk_tree_selection_set_select_function(selector, pluginwindow_selected,
 466                                                pluginwindow, NULL);
 467
 468         /* create the columns */
 469         pluginwindow_create_list_view_columns(GTK_WIDGET(list_view));
 470
 471         return GTK_WIDGET(list_view);
 472 }
 473
 474 static void pluginwindow_create_list_view_columns(GtkWidget *list_view)
 475 {
 476         GtkTreeViewColumn *column;
 477         GtkCellRenderer *renderer;
 478
 479         renderer = gtk_cell_renderer_text_new();
 480         column = gtk_tree_view_column_new_with_attributes
 481                 (_("Loaded plugins"),
 482                  renderer,
 483                  "text", PLUGINWINDOW_NAME,
 484                  "style", PLUGINWINDOW_STYLE,
 485                  NULL);
 486         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 487 }
 488
 489 static gboolean pluginwindow_selected(GtkTreeSelection *selector,
 490                                       GtkTreeModel *model,
 491                                       GtkTreePath *path,
 492                                       gboolean currently_selected,
 493                                       gpointer data)
 494 {
 495         GtkTreeIter iter;
 496         Plugin *plugin;
 497
 498         if (!gtk_tree_model_get_iter(model, &iter, path))
 499                 return TRUE;
 500
 501         gtk_tree_model_get(model, &iter,
 502                            PLUGINWINDOW_DATA, &plugin,
 503                            -1);
 504
 505         if (currently_selected)
 506                 unselect_row_cb(plugin, data);
 507         else
 508                 select_row_cb(plugin, data);
 509
 510         return TRUE;
 511 }
 512