src/gtk/pluginwindow.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2015 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 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.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         gchar *markup, *span;
 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         gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
 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_frame_set_shadow_type(GTK_FRAME(frame2), GTK_SHADOW_OUT);
 349         gtk_widget_show(frame2);
 350         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
 351
 352         label13 = gtk_label_new(_("Description"));
 353         gtk_widget_show(label13);
 354         gtk_container_add(GTK_CONTAINER(frame2), label13);
 355         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
 356         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
 357
 358         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
 359         gtk_widget_show(scrolledwindow3);
 360         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
 361         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwindow3),
 362                                         GTK_SHADOW_ETCHED_IN);
 363         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 364                                        (scrolledwindow3), GTK_POLICY_NEVER,
 365                                        GTK_POLICY_ALWAYS);
 366
 367         plugin_desc = gtk_text_view_new();
 368         gtk_widget_show(plugin_desc);
 369         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
 370
 371         hbox_info = gtk_hbox_new(FALSE, 5);
 372         gtk_widget_show(hbox_info);
 373
 374         desc_lbl = gtk_label_new("");
 375         span = g_strdup_printf("<a href=\"%s\"><span underline=\"none\">", PLUGINS_URI);
 376         markup = g_strdup_printf(_("For more information about plugins see the "
 377                                            "%sClaws Mail website%s."), span, "</span></a>");
 378         gtk_label_set_markup(GTK_LABEL(desc_lbl), markup);
 379         g_free(markup);
 380         g_free(span);
 381         gtk_misc_set_alignment(GTK_MISC(desc_lbl), 0, 0.5);
 382         gtk_widget_show(desc_lbl);
 383         gtk_box_pack_start(GTK_BOX(hbox_info), desc_lbl, FALSE, FALSE, 0);
 384
 385         gtk_box_pack_start(GTK_BOX(hbox_info), gtk_label_new(""), TRUE, TRUE, 0);
 386         gtk_box_pack_start(GTK_BOX(vbox1), hbox_info, FALSE, FALSE, 0);
 387
 388         gtkut_stock_button_set_create_with_help(&hbuttonbox2, &help_btn,
 389                         &close_btn, GTK_STOCK_CLOSE,
 390                         NULL, NULL, NULL, NULL);
 391
 392         gtk_box_set_spacing(GTK_BOX(hbuttonbox2), 6);
 393         gtk_widget_show(hbuttonbox2);
 394         gtk_box_pack_end(GTK_BOX(vbox1), hbuttonbox2, FALSE, FALSE, 0);
 395
 396         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
 397         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
 398
 399         g_signal_connect(G_OBJECT(help_btn), "clicked",
 400                          G_CALLBACK(manual_open_with_anchor_cb),
 401                          MANUAL_ANCHOR_PLUGINS);
 402         g_signal_connect(G_OBJECT(load_btn), "clicked",
 403                          G_CALLBACK(load_cb), pluginwindow);
 404         g_signal_connect(G_OBJECT(unload_btn), "clicked",
 405                          G_CALLBACK(unload_cb), pluginwindow);
 406         g_signal_connect(G_OBJECT(close_btn), "clicked",
 407                          G_CALLBACK(close_cb), pluginwindow);
 408         g_signal_connect(G_OBJECT(window), "size_allocate",
 409                          G_CALLBACK(pluginwindow_size_allocate_cb), NULL);
 410         g_signal_connect(G_OBJECT(window), "key_press_event",
 411                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
 412         g_signal_connect(G_OBJECT(window), "delete_event",
 413                          G_CALLBACK(pluginwindow_delete_cb), pluginwindow);
 414         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 415
 416         CLAWS_SET_TIP(load_btn,
 417                         _("Click here to load one or more plugins"));
 418
 419         CLAWS_SET_TIP(unload_btn,
 420                         _("Unload the selected plugin"));
 421
 422         pluginwindow->window = window;
 423         pluginwindow->plugin_list_view = plugin_list_view;
 424         pluginwindow->plugin_desc = plugin_desc;
 425         pluginwindow->unload_btn = unload_btn;
 426         pluginwindow->selected_plugin = NULL;
 427
 428         set_plugin_list(pluginwindow);
 429
 430         inc_lock();
 431
 432         if (!geometry.min_height) {
 433                 geometry.min_width = -1;
 434                 geometry.min_height = 300;
 435         }
 436
 437         gtk_window_set_geometry_hints(GTK_WINDOW(window), NULL, &geometry,
 438                                       GDK_HINT_MIN_SIZE);
 439         gtk_window_set_default_size(GTK_WINDOW(window), prefs_common.pluginswin_width,
 440                                     prefs_common.pluginswin_height);
 441
 442         gtk_widget_show(window);
 443 }
 444
 445 static GtkListStore* pluginwindow_create_data_store(void)
 446 {
 447         return gtk_list_store_new(N_PLUGINWINDOW_COLUMNS,
 448                                   G_TYPE_STRING,
 449                                   G_TYPE_POINTER,
 450                                   PANGO_TYPE_STYLE,
 451                                   -1);
 452 }
 453
 454 static GtkWidget *pluginwindow_list_view_create(PluginWindow *pluginwindow)
 455 {
 456         GtkTreeView *list_view;
 457         GtkTreeSelection *selector;
 458         GtkTreeModel *model;
 459
 460         model = GTK_TREE_MODEL(pluginwindow_create_data_store());
 461         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 462         g_object_unref(model);
 463
 464         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 465         gtk_tree_view_set_search_column (list_view, 0);
 466
 467         selector = gtk_tree_view_get_selection(list_view);
 468         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 469         gtk_tree_selection_set_select_function(selector, pluginwindow_selected,
 470                                                pluginwindow, NULL);
 471
 472         /* create the columns */
 473         pluginwindow_create_list_view_columns(GTK_WIDGET(list_view));
 474
 475         return GTK_WIDGET(list_view);
 476 }
 477
 478 static void pluginwindow_create_list_view_columns(GtkWidget *list_view)
 479 {
 480         GtkTreeViewColumn *column;
 481         GtkCellRenderer *renderer;
 482
 483         renderer = gtk_cell_renderer_text_new();
 484         column = gtk_tree_view_column_new_with_attributes
 485                 (_("Loaded plugins"),
 486                  renderer,
 487                  "text", PLUGINWINDOW_NAME,
 488                  "style", PLUGINWINDOW_STYLE,
 489                  NULL);
 490         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 491 }
 492
 493 static gboolean pluginwindow_selected(GtkTreeSelection *selector,
 494                                       GtkTreeModel *model,
 495                                       GtkTreePath *path,
 496                                       gboolean currently_selected,
 497                                       gpointer data)
 498 {
 499         GtkTreeIter iter;
 500         Plugin *plugin;
 501
 502         if (!gtk_tree_model_get_iter(model, &iter, path))
 503                 return TRUE;
 504
 505         gtk_tree_model_get(model, &iter,
 506                            PLUGINWINDOW_DATA, &plugin,
 507                            -1);
 508
 509         if (currently_selected)
 510                 unselect_row_cb(plugin, data);
 511         else
 512                 select_row_cb(plugin, data);
 513
 514         return TRUE;
 515 }
 516