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