src/gtk/pluginwindow.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 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, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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 "plugin.h"
  32
  33 #include "filesel.h"
  34 #include "alertpanel.h"
  35 #include "prefs_common.h"
  36 #include "../inc.h"
  37
  38 enum {
  39         PLUGINWINDOW_NAME,              /*<! plugin name */
  40         PLUGINWINDOW_DATA,              /*<! Plugin pointer */
  41         N_PLUGINWINDOW_COLUMNS
  42 };
  43
  44 typedef struct _PluginWindow
  45 {
  46         GtkWidget *window;
  47         GtkWidget *plugin_list_view;
  48         GtkWidget *plugin_desc;
  49         GtkWidget *unload_btn;
  50
  51         Plugin *selected_plugin;
  52 } PluginWindow;
  53
  54 static GtkListStore* pluginwindow_create_data_store     (void);
  55 static GtkWidget *pluginwindow_list_view_create         (PluginWindow *pluginwindow);
  56 static void pluginwindow_create_list_view_columns       (GtkWidget *list_view);
  57 static gboolean pluginwindow_selected                   (GtkTreeSelection *selector,
  58                                                          GtkTreeModel *model,
  59                                                          GtkTreePath *path,
  60                                                          gboolean currently_selected,
  61                                                          gpointer data);
  62
  63 static void close_cb(GtkButton *button, PluginWindow *pluginwindow)
  64 {
  65         gtk_widget_destroy(pluginwindow->window);
  66         g_free(pluginwindow);
  67         plugin_save_list();
  68         inc_unlock();
  69 }
  70
  71 static void set_plugin_list(PluginWindow *pluginwindow)
  72 {
  73         GSList *plugins, *cur;
  74         const gchar *text;
  75         GtkListStore *store;
  76         GtkTreeIter iter;
  77         GtkTextBuffer *textbuf;
  78         GtkTextIter start_iter, end_iter;
  79         GtkTreeSelection *selection;
  80
  81         plugins = plugin_get_list();
  82
  83         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW
  84                                 (pluginwindow->plugin_list_view)));
  85         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
  86                                              0, GTK_SORT_ASCENDING);
  87         gtk_list_store_clear(store);
  88
  89         textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pluginwindow->plugin_desc));
  90         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
  91         gtk_text_view_set_editable(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
  92         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
  93         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
  94         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
  95         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
  96
  97         for(cur = plugins; cur != NULL; cur = g_slist_next(cur)) {
  98                 Plugin *plugin = (Plugin *) cur->data;
  99
 100                 gtk_list_store_append(store, &iter);
 101                 text = plugin_get_name(plugin);
 102                 gtk_list_store_set(store, &iter,
 103                                    PLUGINWINDOW_NAME, text,
 104                                    PLUGINWINDOW_DATA, plugin,
 105                                    -1);
 106         }
 107
 108         if (pluginwindow->selected_plugin == NULL) {
 109                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW
 110                                 (pluginwindow->plugin_list_view));
 111                 gtk_tree_selection_unselect_all(selection);
 112         }
 113         g_slist_free(plugins);
 114 }
 115
 116 static void select_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 117 {
 118         GtkTextView *plugin_desc = GTK_TEXT_VIEW(pluginwindow->plugin_desc);
 119         GtkTextBuffer *textbuf = gtk_text_view_get_buffer(plugin_desc);
 120         GtkTextIter start_iter, end_iter;
 121         const gchar *text;
 122
 123         pluginwindow->selected_plugin = plugin;
 124
 125         if (pluginwindow->selected_plugin != NULL) {
 126                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
 127                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 128                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 129                 text = plugin_get_desc(plugin);
 130                 gtk_text_buffer_insert(textbuf, &start_iter, text, strlen(text));
 131                 gtk_widget_set_sensitive(pluginwindow->unload_btn, TRUE);
 132         } else {
 133                 gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 134         }
 135 }
 136
 137 static void unselect_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 138 {
 139         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 140 }
 141
 142 static void unload_cb(GtkButton *button, PluginWindow *pluginwindow)
 143 {
 144         Plugin *plugin = pluginwindow->selected_plugin;
 145
 146         g_return_if_fail(plugin != NULL);
 147         plugin_unload(plugin);
 148         pluginwindow->selected_plugin = NULL;
 149         set_plugin_list(pluginwindow);
 150 }
 151
 152 static void load_cb(GtkButton *button, PluginWindow *pluginwindow)
 153 {
 154         gchar *file, *error = NULL;
 155
 156         file = filesel_select_file_open_with_filter(_("Select Plugin to load"),
 157                                                     PLUGINDIR,
 158                                                     "*." G_MODULE_SUFFIX);
 159         if (file == NULL)
 160                 return;
 161
 162         plugin_load(file, &error);
 163         if (error != NULL) {
 164                 alertpanel_error("The following error occured while loading the plugin:\n%s\n", error);
 165                 g_free(error);
 166         }
 167
 168         set_plugin_list(pluginwindow);
 169         g_free(file);
 170 }
 171
 172 static gboolean pluginwindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 173                                      PluginWindow *pluginwindow)
 174 {
 175         if (event) {
 176                 switch (event->keyval) {
 177                         case GDK_Escape :
 178                         case GDK_Return :
 179                         case GDK_KP_Enter :
 180                                 close_cb(NULL, pluginwindow);
 181                                 break;
 182                         case GDK_Insert :
 183                         case GDK_KP_Insert :
 184                         case GDK_KP_Add :
 185                         case GDK_plus :
 186                                 load_cb(NULL, pluginwindow);
 187                                 break;
 188                         case GDK_Delete :
 189                         case GDK_KP_Delete :
 190                         case GDK_KP_Subtract :
 191                         case GDK_minus :
 192                                 unload_cb(NULL, pluginwindow);
 193                                 break;
 194                         default :
 195                                 break;
 196                 }
 197         }
 198         return FALSE;
 199 }
 200
 201 void pluginwindow_create()
 202 {
 203         PluginWindow *pluginwindow;
 204         /* ---------------------- code made by glade ---------------------- */
 205         GtkWidget *window;
 206         GtkWidget *vbox1;
 207         GtkWidget *hbox2;
 208         GtkWidget *scrolledwindow2;
 209         GtkWidget *plugin_list_view;
 210         GtkWidget *vbox2;
 211         GtkWidget *frame2;
 212         GtkWidget *label13;
 213         GtkWidget *scrolledwindow3;
 214         GtkWidget *plugin_desc;
 215         GtkWidget *hbuttonbox1;
 216         GtkWidget *load_btn;
 217         GtkWidget *unload_btn;
 218         GtkWidget *close_btn;
 219
 220         pluginwindow = g_new0(PluginWindow, 1);
 221
 222         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 223         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 224         gtk_window_set_default_size(GTK_WINDOW(window), 480, 300);
 225         gtk_window_set_title(GTK_WINDOW(window), _("Plugins"));
 226         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 227
 228         vbox1 = gtk_vbox_new(FALSE, 4);
 229         gtk_widget_show(vbox1);
 230         gtk_container_add(GTK_CONTAINER(window), vbox1);
 231
 232         hbox2 = gtk_hbox_new(FALSE, 8);
 233         gtk_widget_show(hbox2);
 234         gtk_box_pack_start(GTK_BOX(vbox1), hbox2, TRUE, TRUE, 0);
 235
 236         scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 237         gtk_widget_show(scrolledwindow2);
 238         gtk_box_pack_start(GTK_BOX(hbox2), scrolledwindow2, FALSE, FALSE, 0);
 239         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 240                                        (scrolledwindow2), GTK_POLICY_NEVER,
 241                                        GTK_POLICY_AUTOMATIC);
 242
 243         plugin_list_view = pluginwindow_list_view_create(pluginwindow);
 244         gtk_widget_show(plugin_list_view);
 245         gtk_container_add(GTK_CONTAINER(scrolledwindow2), plugin_list_view);
 246         gtk_widget_grab_focus(GTK_WIDGET(plugin_list_view));
 247
 248         vbox2 = gtk_vbox_new(FALSE, 0);
 249         gtk_widget_show(vbox2);
 250         gtk_box_pack_start(GTK_BOX(hbox2), vbox2, TRUE, TRUE, 0);
 251
 252         frame2 = gtk_frame_new(NULL);
 253         gtk_widget_show(frame2);
 254         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
 255
 256         label13 = gtk_label_new(_("Description"));
 257         gtk_widget_show(label13);
 258         gtk_container_add(GTK_CONTAINER(frame2), label13);
 259         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
 260         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
 261
 262         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
 263         gtk_widget_show(scrolledwindow3);
 264         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
 265         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 266                                        (scrolledwindow3), GTK_POLICY_NEVER,
 267                                        GTK_POLICY_ALWAYS);
 268
 269         plugin_desc = gtk_text_view_new();
 270         gtk_widget_show(plugin_desc);
 271         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
 272
 273         hbuttonbox1 = gtk_hbutton_box_new();
 274         gtk_widget_show(hbuttonbox1);
 275         gtk_box_pack_start(GTK_BOX(vbox1), hbuttonbox1, FALSE, FALSE, 0);
 276         gtk_button_box_set_layout(GTK_BUTTON_BOX(hbuttonbox1),
 277                                   GTK_BUTTONBOX_END);
 278         gtk_button_box_set_spacing(GTK_BUTTON_BOX(hbuttonbox1), 6);
 279
 280         load_btn = gtk_button_new_with_label(_("Load Plugin"));
 281         gtk_widget_show(load_btn);
 282         gtk_container_add(GTK_CONTAINER(hbuttonbox1), load_btn);
 283         GTK_WIDGET_SET_FLAGS(load_btn, GTK_CAN_DEFAULT);
 284
 285         unload_btn = gtk_button_new_with_label(_("Unload Plugin"));
 286         gtk_widget_show(unload_btn);
 287         gtk_container_add(GTK_CONTAINER(hbuttonbox1), unload_btn);
 288         GTK_WIDGET_SET_FLAGS(unload_btn, GTK_CAN_DEFAULT);
 289
 290         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 291         gtk_widget_show(close_btn);
 292         gtk_container_add(GTK_CONTAINER(hbuttonbox1), close_btn);
 293         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
 294         /* ----------------------------------------------------------- */
 295
 296         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
 297         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
 298
 299
 300         g_signal_connect(G_OBJECT(load_btn), "released",
 301                          G_CALLBACK(load_cb), pluginwindow);
 302         g_signal_connect(G_OBJECT(unload_btn), "released",
 303                          G_CALLBACK(unload_cb), pluginwindow);
 304         g_signal_connect(G_OBJECT(close_btn), "released",
 305                          G_CALLBACK(close_cb), pluginwindow);
 306         g_signal_connect(G_OBJECT(window), "key_press_event",
 307                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
 308
 309         pluginwindow->window = window;
 310         pluginwindow->plugin_list_view = plugin_list_view;
 311         pluginwindow->plugin_desc = plugin_desc;
 312         pluginwindow->unload_btn = unload_btn;
 313         pluginwindow->selected_plugin = NULL;
 314
 315         set_plugin_list(pluginwindow);
 316
 317         inc_lock();
 318         gtk_widget_show(window);
 319 }
 320
 321 static GtkListStore* pluginwindow_create_data_store(void)
 322 {
 323         return gtk_list_store_new(N_PLUGINWINDOW_COLUMNS,
 324                                   G_TYPE_STRING,
 325                                   G_TYPE_POINTER,
 326                                   -1);
 327 }
 328
 329 static GtkWidget *pluginwindow_list_view_create(PluginWindow *pluginwindow)
 330 {
 331         GtkTreeView *list_view;
 332         GtkTreeSelection *selector;
 333         GtkTreeModel *model;
 334
 335         model = GTK_TREE_MODEL(pluginwindow_create_data_store());
 336         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 337         g_object_unref(model);
 338
 339         gtk_tree_view_set_rules_hint(list_view, prefs_common.enable_rules_hint);
 340
 341         selector = gtk_tree_view_get_selection(list_view);
 342         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 343         gtk_tree_selection_set_select_function(selector, pluginwindow_selected,
 344                                                pluginwindow, NULL);
 345
 346         /* create the columns */
 347         pluginwindow_create_list_view_columns(GTK_WIDGET(list_view));
 348
 349         return GTK_WIDGET(list_view);
 350 }
 351
 352 static void pluginwindow_create_list_view_columns(GtkWidget *list_view)
 353 {
 354         GtkTreeViewColumn *column;
 355         GtkCellRenderer *renderer;
 356
 357         renderer = gtk_cell_renderer_text_new();
 358         column = gtk_tree_view_column_new_with_attributes
 359                 (_("Plugins"),
 360                  renderer,
 361                  "text", PLUGINWINDOW_NAME,
 362                  NULL);
 363         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 364 }
 365
 366 static gboolean pluginwindow_selected(GtkTreeSelection *selector,
 367                                       GtkTreeModel *model,
 368                                       GtkTreePath *path,
 369                                       gboolean currently_selected,
 370                                       gpointer data)
 371 {
 372         GtkTreeIter iter;
 373         Plugin *plugin;
 374
 375         if (!gtk_tree_model_get_iter(model, &iter, path))
 376                 return TRUE;
 377
 378         gtk_tree_model_get(model, &iter,
 379                            PLUGINWINDOW_DATA, &plugin,
 380                            -1);
 381
 382         if (currently_selected)
 383                 unselect_row_cb(plugin, data);
 384         else
 385                 select_row_cb(plugin, data);
 386
 387         return TRUE;
 388 }
 389