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