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 <string.h>
  25
  26 #include <gtk/gtk.h>
  27 #include <gdk/gdkkeysyms.h>
  28
  29 #include "intl.h"
  30 #include "plugin.h"
  31
  32 #include "filesel.h"
  33 #include "alertpanel.h"
  34 #include "../inc.h"
  35
  36 typedef struct _PluginWindow
  37 {
  38         GtkWidget *window;
  39         GtkWidget *plugin_list;
  40         GtkWidget *plugin_desc;
  41         GtkWidget *unload_btn;
  42
  43         Plugin *selected_plugin;
  44 } PluginWindow;
  45
  46 static void close_cb(GtkButton *button, PluginWindow *pluginwindow)
  47 {
  48         gtk_widget_destroy(pluginwindow->window);
  49         g_free(pluginwindow);
  50         plugin_save_list();
  51         inc_unlock();
  52 }
  53
  54 static void set_plugin_list(PluginWindow *pluginwindow)
  55 {
  56         GSList *plugins, *cur;
  57         gchar *text[1];
  58         gint row;
  59         GtkCList *clist = GTK_CLIST(pluginwindow->plugin_list);
  60         GtkTextBuffer *textbuf;
  61         GtkTextIter start_iter, end_iter;
  62
  63         plugins = plugin_get_list();
  64         gtk_clist_freeze(clist);
  65         gtk_clist_clear(clist);
  66         textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(pluginwindow->plugin_desc));
  67         gtk_text_buffer_get_start_iter(textbuf, &start_iter);
  68         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
  69         gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
  70         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
  71
  72         for(cur = plugins; cur != NULL; cur = g_slist_next(cur)) {
  73                 Plugin *plugin = (Plugin *) cur->data;
  74
  75                 text[0] = (gchar *) plugin_get_name(plugin);
  76                 row = gtk_clist_append(clist, text);
  77                 gtk_clist_set_row_data(clist, row, plugin);
  78         }
  79         gtk_clist_thaw(clist);
  80         if (pluginwindow->selected_plugin == NULL)
  81                 gtk_clist_select_row (clist, 0, -1);
  82 }
  83
  84 static void select_row_cb(GtkCList *clist, gint row, gint column,
  85                           GdkEventButton *event, PluginWindow *pluginwindow)
  86 {
  87         Plugin *plugin;
  88         GtkTextView *plugin_desc = GTK_TEXT_VIEW(pluginwindow->plugin_desc);
  89         GtkTextBuffer *textbuf = gtk_text_view_get_buffer(plugin_desc);
  90         GtkTextIter start_iter, end_iter;
  91         const gchar *text;
  92
  93         plugin = (Plugin *) gtk_clist_get_row_data(clist, row);
  94         pluginwindow->selected_plugin = plugin;
  95
  96         if (pluginwindow->selected_plugin != NULL) {
  97                 gtk_text_buffer_get_start_iter(textbuf, &start_iter);
  98                 gtk_text_buffer_get_end_iter(textbuf, &end_iter);
  99                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
 100                 text = plugin_get_desc(plugin);
 101                 gtk_text_buffer_insert(textbuf, &start_iter, text, strlen(text));
 102                 gtk_widget_set_sensitive(pluginwindow->unload_btn, TRUE);
 103         } else {
 104                 gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 105         }
 106 }
 107
 108 static void unselect_row_cb(GtkCList * clist, gint row, gint column,
 109                             GdkEventButton * event, PluginWindow *pluginwindow)
 110 {
 111         gtk_widget_set_sensitive(pluginwindow->unload_btn, FALSE);
 112 }
 113
 114 static void unload_cb(GtkButton *button, PluginWindow *pluginwindow)
 115 {
 116         Plugin *plugin = pluginwindow->selected_plugin;
 117
 118         g_return_if_fail(plugin != NULL);
 119         plugin_unload(plugin);
 120         pluginwindow->selected_plugin = NULL;
 121         set_plugin_list(pluginwindow);
 122 }
 123
 124 static void load_cb(GtkButton *button, PluginWindow *pluginwindow)
 125 {
 126         gchar *file, *error = NULL;
 127
 128         file = filesel_select_file_open(_("Select Plugin to load"), PLUGINDIR);
 129         if (file == NULL)
 130                 return;
 131
 132         plugin_load(file, &error);
 133         if (error != NULL) {
 134                 alertpanel_error("The following error occured while loading the plugin:\n%s\n", error);
 135                 g_free(error);
 136         }
 137
 138         set_plugin_list(pluginwindow);
 139 }
 140
 141 static gboolean pluginwindow_key_pressed(GtkWidget *widget, GdkEventKey *event,
 142                                      PluginWindow *pluginwindow)
 143 {
 144         if (event) {
 145                 switch (event->keyval) {
 146                         case GDK_Escape :
 147                         case GDK_Return :
 148                         case GDK_KP_Enter :
 149                                 close_cb(NULL, pluginwindow);
 150                                 break;
 151                         case GDK_Insert :
 152                         case GDK_KP_Insert :
 153                         case GDK_KP_Add :
 154                         case GDK_plus :
 155                                 load_cb(NULL, pluginwindow);
 156                                 break;
 157                         case GDK_Delete :
 158                         case GDK_KP_Delete :
 159                         case GDK_KP_Subtract :
 160                         case GDK_minus :
 161                                 unload_cb(NULL, pluginwindow);
 162                                 break;
 163                         default :
 164                                 break;
 165                 }
 166         }
 167         return FALSE;
 168 }
 169
 170 void pluginwindow_create()
 171 {
 172         PluginWindow *pluginwindow;
 173         /* ---------------------- code made by glade ---------------------- */
 174         GtkWidget *window;
 175         GtkWidget *vbox1;
 176         GtkWidget *hbox2;
 177         GtkWidget *scrolledwindow2;
 178         GtkWidget *plugin_list;
 179         GtkWidget *label12;
 180         GtkWidget *vbox2;
 181         GtkWidget *frame2;
 182         GtkWidget *label13;
 183         GtkWidget *scrolledwindow3;
 184         GtkWidget *plugin_desc;
 185         GtkWidget *hbuttonbox1;
 186         GtkWidget *load_btn;
 187         GtkWidget *unload_btn;
 188         GtkWidget *close_btn;
 189
 190         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 191         gtk_container_set_border_width(GTK_CONTAINER(window), 8);
 192         gtk_window_set_default_size(GTK_WINDOW(window), 480, 300);
 193         gtk_window_set_title(GTK_WINDOW(window), _("Plugins"));
 194         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 195
 196         vbox1 = gtk_vbox_new(FALSE, 4);
 197         gtk_widget_show(vbox1);
 198         gtk_container_add(GTK_CONTAINER(window), vbox1);
 199
 200         hbox2 = gtk_hbox_new(FALSE, 8);
 201         gtk_widget_show(hbox2);
 202         gtk_box_pack_start(GTK_BOX(vbox1), hbox2, TRUE, TRUE, 0);
 203
 204         scrolledwindow2 = gtk_scrolled_window_new(NULL, NULL);
 205         gtk_widget_show(scrolledwindow2);
 206         gtk_box_pack_start(GTK_BOX(hbox2), scrolledwindow2, TRUE, TRUE, 0);
 207         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 208                                        (scrolledwindow2), GTK_POLICY_NEVER,
 209                                        GTK_POLICY_ALWAYS);
 210
 211         plugin_list = gtk_clist_new(1);
 212         gtk_widget_show(plugin_list);
 213         gtk_container_add(GTK_CONTAINER(scrolledwindow2), plugin_list);
 214         gtk_clist_set_column_width(GTK_CLIST(plugin_list), 0, 80);
 215         gtk_clist_set_column_auto_resize(GTK_CLIST(plugin_list), 0, TRUE);
 216         gtk_clist_column_titles_show(GTK_CLIST(plugin_list));
 217         gtk_clist_set_selection_mode(GTK_CLIST (plugin_list), GTK_SELECTION_BROWSE);
 218         gtk_widget_grab_focus(GTK_WIDGET(plugin_list));
 219
 220         label12 = gtk_label_new(_("Plugins"));
 221         gtk_widget_show(label12);
 222         gtk_clist_set_column_widget(GTK_CLIST(plugin_list), 0, label12);
 223         gtk_label_set_justify(GTK_LABEL(label12), GTK_JUSTIFY_LEFT);
 224         gtk_misc_set_alignment(GTK_MISC(label12), 0, 0.5);
 225
 226         vbox2 = gtk_vbox_new(FALSE, 0);
 227         gtk_widget_show(vbox2);
 228         gtk_box_pack_start(GTK_BOX(hbox2), vbox2, TRUE, TRUE, 0);
 229
 230         frame2 = gtk_frame_new(NULL);
 231         gtk_widget_show(frame2);
 232         gtk_box_pack_start(GTK_BOX(vbox2), frame2, FALSE, TRUE, 0);
 233
 234         label13 = gtk_label_new(_("Description"));
 235         gtk_widget_show(label13);
 236         gtk_container_add(GTK_CONTAINER(frame2), label13);
 237         gtk_misc_set_alignment(GTK_MISC(label13), 0, 0.5);
 238         gtk_misc_set_padding(GTK_MISC(label13), 2, 2);
 239
 240         scrolledwindow3 = gtk_scrolled_window_new(NULL, NULL);
 241         gtk_widget_show(scrolledwindow3);
 242         gtk_box_pack_start(GTK_BOX(vbox2), scrolledwindow3, TRUE, TRUE, 0);
 243         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW
 244                                        (scrolledwindow3), GTK_POLICY_NEVER,
 245                                        GTK_POLICY_ALWAYS);
 246
 247         plugin_desc = gtk_text_view_new();
 248         gtk_widget_show(plugin_desc);
 249         gtk_container_add(GTK_CONTAINER(scrolledwindow3), plugin_desc);
 250
 251         hbuttonbox1 = gtk_hbutton_box_new();
 252         gtk_widget_show(hbuttonbox1);
 253         gtk_box_pack_start(GTK_BOX(vbox1), hbuttonbox1, FALSE, FALSE, 0);
 254         gtk_button_box_set_layout(GTK_BUTTON_BOX(hbuttonbox1),
 255                                   GTK_BUTTONBOX_END);
 256         gtk_button_box_set_spacing(GTK_BUTTON_BOX(hbuttonbox1), 0);
 257
 258         load_btn = gtk_button_new_with_label(_("Load Plugin"));
 259         gtk_widget_show(load_btn);
 260         gtk_container_add(GTK_CONTAINER(hbuttonbox1), load_btn);
 261         GTK_WIDGET_SET_FLAGS(load_btn, GTK_CAN_DEFAULT);
 262
 263         unload_btn = gtk_button_new_with_label(_("Unload Plugin"));
 264         gtk_widget_show(unload_btn);
 265         gtk_container_add(GTK_CONTAINER(hbuttonbox1), unload_btn);
 266         GTK_WIDGET_SET_FLAGS(unload_btn, GTK_CAN_DEFAULT);
 267
 268         close_btn = gtk_button_new_with_label(_("Close"));
 269         gtk_widget_show(close_btn);
 270         gtk_container_add(GTK_CONTAINER(hbuttonbox1), close_btn);
 271         GTK_WIDGET_SET_FLAGS(close_btn, GTK_CAN_DEFAULT);
 272         /* ----------------------------------------------------------- */
 273
 274         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(plugin_desc), GTK_WRAP_WORD);
 275         gtk_widget_set_sensitive(GTK_WIDGET(unload_btn), FALSE);
 276
 277         pluginwindow = g_new0(PluginWindow, 1);
 278
 279         g_signal_connect(G_OBJECT(load_btn), "released",
 280                          G_CALLBACK(load_cb), pluginwindow);
 281         g_signal_connect(G_OBJECT(unload_btn), "released",
 282                          G_CALLBACK(unload_cb), pluginwindow);
 283         g_signal_connect(G_OBJECT(close_btn), "released",
 284                          G_CALLBACK(close_cb), pluginwindow);
 285         g_signal_connect(G_OBJECT(plugin_list), "select-row",
 286                          G_CALLBACK(select_row_cb), pluginwindow);
 287         g_signal_connect(G_OBJECT(plugin_list), "unselect-row",
 288                          G_CALLBACK(unselect_row_cb), pluginwindow);
 289         g_signal_connect(G_OBJECT(window), "key_press_event",
 290                            G_CALLBACK(pluginwindow_key_pressed), pluginwindow);
 291
 292         pluginwindow->window = window;
 293         pluginwindow->plugin_list = plugin_list;
 294         pluginwindow->plugin_desc = plugin_desc;
 295         pluginwindow->unload_btn = unload_btn;
 296         pluginwindow->selected_plugin = NULL;
 297
 298         set_plugin_list(pluginwindow);
 299
 300         inc_lock();
 301         gtk_widget_show(window);
 302 }