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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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_list_store_clear(store);
  86
  87         textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pluginwindow->plugin_desc));
  88         gtk_text_view_set_cursor_visible(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
  89         gtk_text_view_set_editable(GTK_TEXT_VIEW(pluginwindow->plugin_desc), FALSE);
  90         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
  91         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
  92         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
  93         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
  94
  95         for(cur = plugins; cur != NULL; cur = g_slist_next(cur)) {
  96                 Plugin *plugin = (Plugin *) cur->data;
  97
  98                 gtk_list_store_append(store, &iter);
  99                 text = plugin_get_name(plugin);
 100                 gtk_list_store_set(store, &iter,
 101                                    PLUGINWINDOW_NAME, text,
 102                                    PLUGINWINDOW_DATA, plugin,
 103                                    -1);
 104         }
 105
 106         if (pluginwindow->selected_plugin == NULL) {
 107                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW
 108                                 (pluginwindow->plugin_list_view));
 109                 gtk_tree_selection_unselect_all(selection);
 110         }
 111         g_slist_free(plugins);
 112 }
 113
 114 static void select_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 115 {
 116         GtkTextView *plugin_desc = GTK_TEXT_VIEW(pluginwindow->plugin_desc);
 117         GtkTextBuffer *textbuf = gtk_text_view_get_buffer(plugin_desc);
 118         GtkTextIter start_iter, end_iter;
 119         const gchar *text;
 120
 121         pluginwindow->selected_plugin = plugin;
 122
 123         if (pluginwindow->selected_plugin != NULL) {
 124                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
 125                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
 126                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 127                 text = plugin_get_desc(plugin);
 128                 gtk_text_buffer_insert(textbuf, &start_iter, text, strlen(text));
 129                 gtk_widget_set_sensitive(pluginwindow->unload_btn, TRUE);
 130         } else {
 131                 gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 132         }
 133 }
 134
 135 static void unselect_row_cb(Plugin *plugin, PluginWindow *pluginwindow)
 136 {
 137         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 138 }
 139
 140 static void unload_cb(GtkButton *button, PluginWindow *pluginwindow)
 141 {
 142         Plugin *plugin = pluginwindow->selected_plugin;
 143
 144         g_return_if_fail(plugin != NULL);
 145         plugin_unload(plugin);
 146         pluginwindow->selected_plugin = NULL;
 147         set_plugin_list(pluginwindow);
 148 }
 149
 150 static void load_cb(GtkButton *button, PluginWindow *pluginwindow)
 151 {
 152         gchar *file, *error = NULL;
 153
 154         file = filesel_select_file_open_with_filter(_("Select Plugin to load"),
 155                                                     PLUGINDIR,
 156                                                     "*." G_MODULE_SUFFIX);
 157         if (file == NULL)
 158                 return;
 159
 160         plugin_load(file, &error);
 161         if (error != NULL) {
 162                 alertpanel_error("The following error occured while loading the plugin:\n%s\n", error);
 163                 g_free(error);
 164         }
 165
 166         set_plugin_list(pluginwindow);
 167         g_free(file);
 168 }
 169
 170 static gboolean pluginwindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 171                                      PluginWindow *pluginwindow)
 172 {
 173         if (event) {
 174                 switch (event->keyval) {
 175                         case GDK_Escape :
 176                         case GDK_Return :
 177                         case GDK_KP_Enter :
 178                                 close_cb(NULL, pluginwindow);
 179                                 break;
 180                         case GDK_Insert :
 181                         case GDK_KP_Insert :
 182                         case GDK_KP_Add :
 183                         case GDK_plus :
 184                                 load_cb(NULL, pluginwindow);
 185                                 break;
 186                         case GDK_Delete :
 187                         case GDK_KP_Delete :
 188                         case GDK_KP_Subtract :
 189                         case GDK_minus :
 190                                 unload_cb(NULL, pluginwindow);
 191                                 break;
 192                         default :
 193                                 break;
 194                 }
 195         }
 196         return FALSE;
 197 }
 198
 199 void pluginwindow_create()
 200 {
 201         PluginWindow *pluginwindow;
 202         /* ---------------------- code made by glade ---------------------- */
 203         GtkWidget *window;
 204         GtkWidget *vbox1;
 205         GtkWidget *hbox2;
 206         GtkWidget *scrolledwindow2;
 207         GtkWidget *plugin_list_view;
 208         GtkWidget *vbox2;
 209         GtkWidget *frame2;
 210         GtkWidget *label13;
 211         GtkWidget *scrolledwindow3;
 212         GtkWidget *plugin_desc;
 213         GtkWidget *hbuttonbox1;
 214         GtkWidget *load_btn;
 215         GtkWidget *unload_btn;
 216         GtkWidget *close_btn;
 217
 218         pluginwindow = g_new0(PluginWindow, 1);
 219
 220         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 221         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 222         gtk_window_set_default_size(GTK_WINDOW(window), 480, 300);
 223         gtk_window_set_title(GTK_WINDOW(window), _("Plugins"));
 224         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 225
 226         vbox1 = gtk_vbox_new(FALSE, 4);
 227         gtk_widget_show(vbox1);
 228         gtk_container_add(GTK_CONTAINER(window), vbox1);
 229
 230         hbox2 = gtk_hbox_new(FALSE, 8);
 231         gtk_widget_show(hbox2);
 232         gtk_box_pack_start(GTK_BOX(vbox1), hbox2, TRUE, TRUE, 0);
 233
 234         scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 235         gtk_widget_show(scrolledwindow2);
 236         gtk_box_pack_start(GTK_BOX(hbox2), scrolledwindow2, FALSE, FALSE, 0);
 237         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 238                                        (scrolledwindow2), GTK_POLICY_NEVER,
 239                                        GTK_POLICY_AUTOMATIC);
 240
 241         plugin_list_view = pluginwindow_list_view_create(pluginwindow);
 242         gtk_widget_show(plugin_list_view);
 243         gtk_container_add(GTK_CONTAINER(scrolledwindow2), plugin_list_view);
 244         gtk_widget_grab_focus(GTK_WIDGET(plugin_list_view));
 245
 246         vbox2 = gtk_vbox_new(FALSE, 0);
 247         gtk_widget_show(vbox2);
 248         gtk_box_pack_start(GTK_BOX(hbox2), vbox2, TRUE, TRUE, 0);
 249
 250         frame2 = gtk_frame_new(NULL);
 251         gtk_widget_show(frame2);
 252         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
 253
 254         label13 = gtk_label_new(_("Description"));
 255         gtk_widget_show(label13);
 256         gtk_container_add(GTK_CONTAINER(frame2), label13);
 257         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
 258         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
 259
 260         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
 261         gtk_widget_show(scrolledwindow3);
 262         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
 263         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 264                                        (scrolledwindow3), GTK_POLICY_NEVER,
 265                                        GTK_POLICY_ALWAYS);
 266
 267         plugin_desc = gtk_text_view_new();
 268         gtk_widget_show(plugin_desc);
 269         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
 270
 271         hbuttonbox1 = gtk_hbutton_box_new();
 272         gtk_widget_show(hbuttonbox1);
 273         gtk_box_pack_start(GTK_BOX(vbox1), hbuttonbox1, FALSE, FALSE, 0);
 274         gtk_button_box_set_layout(GTK_BUTTON_BOX(hbuttonbox1),
 275                                   GTK_BUTTONBOX_END);
 276         gtk_button_box_set_spacing(GTK_BUTTON_BOX(hbuttonbox1), 6);
 277
 278         load_btn = gtk_button_new_with_label(_("Load Plugin"));
 279         gtk_widget_show(load_btn);
 280         gtk_container_add(GTK_CONTAINER(hbuttonbox1), load_btn);
 281         GTK_WIDGET_SET_FLAGS(load_btn, GTK_CAN_DEFAULT);
 282
 283         unload_btn = gtk_button_new_with_label(_("Unload Plugin"));
 284         gtk_widget_show(unload_btn);
 285         gtk_container_add(GTK_CONTAINER(hbuttonbox1), unload_btn);
 286         GTK_WIDGET_SET_FLAGS(unload_btn, GTK_CAN_DEFAULT);
 287
 288         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 289         gtk_widget_show(close_btn);
 290         gtk_container_add(GTK_CONTAINER(hbuttonbox1), close_btn);
 291         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
 292         /* ----------------------------------------------------------- */
 293
 294         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
 295         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
 296
 297
 298         g_signal_connect(G_OBJECT(load_btn), "released",
 299                          G_CALLBACK(load_cb), pluginwindow);
 300         g_signal_connect(G_OBJECT(unload_btn), "released",
 301                          G_CALLBACK(unload_cb), pluginwindow);
 302         g_signal_connect(G_OBJECT(close_btn), "released",
 303                          G_CALLBACK(close_cb), pluginwindow);
 304         g_signal_connect(G_OBJECT(window), "key_press_event",
 305                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
 306
 307         pluginwindow->window = window;
 308         pluginwindow->plugin_list_view = plugin_list_view;
 309         pluginwindow->plugin_desc = plugin_desc;
 310         pluginwindow->unload_btn = unload_btn;
 311         pluginwindow->selected_plugin = NULL;
 312
 313         set_plugin_list(pluginwindow);
 314
 315         inc_lock();
 316         gtk_widget_show(window);
 317 }
 318
 319 static GtkListStore* pluginwindow_create_data_store(void)
 320 {
 321         return gtk_list_store_new(N_PLUGINWINDOW_COLUMNS,
 322                                   G_TYPE_STRING,
 323                                   G_TYPE_POINTER,
 324                                   -1);
 325 }
 326
 327 static GtkWidget *pluginwindow_list_view_create(PluginWindow *pluginwindow)
 328 {
 329         GtkTreeView *list_view;
 330         GtkTreeSelection *selector;
 331         GtkTreeModel *model;
 332
 333         model = GTK_TREE_MODEL(pluginwindow_create_data_store());
 334         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 335         g_object_unref(model);
 336
 337         gtk_tree_view_set_rules_hint(list_view, prefs_common.enable_rules_hint);
 338
 339         selector = gtk_tree_view_get_selection(list_view);
 340         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 341         gtk_tree_selection_set_select_function(selector, pluginwindow_selected,
 342                                                pluginwindow, NULL);
 343
 344         /* create the columns */
 345         pluginwindow_create_list_view_columns(GTK_WIDGET(list_view));
 346
 347         return GTK_WIDGET(list_view);
 348 }
 349
 350 static void pluginwindow_create_list_view_columns(GtkWidget *list_view)
 351 {
 352         GtkTreeViewColumn *column;
 353         GtkCellRenderer *renderer;
 354
 355         renderer = gtk_cell_renderer_text_new();
 356         column = gtk_tree_view_column_new_with_attributes
 357                 (_("Plugins"),
 358                  renderer,
 359                  "text", PLUGINWINDOW_NAME,
 360                  NULL);
 361         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 362 }
 363
 364 static gboolean pluginwindow_selected(GtkTreeSelection *selector,
 365                                       GtkTreeModel *model,
 366                                       GtkTreePath *path,
 367                                       gboolean currently_selected,
 368                                       gpointer data)
 369 {
 370         GtkTreeIter iter;
 371         Plugin *plugin;
 372
 373         if (!gtk_tree_model_get_iter(model, &iter, path))
 374                 return TRUE;
 375
 376         gtk_tree_model_get(model, &iter,
 377                            PLUGINWINDOW_DATA, &plugin,
 378                            -1);
 379
 380         if (currently_selected)
 381                 unselect_row_cb(plugin, data);
 382         else
 383                 select_row_cb(plugin, data);
 384
 385         return TRUE;
 386 }
 387