chiark - git - mdw - disorder/blob - disobedience/users.c

   1 /*
   2  * This file is part of DisOrder
   3  * Copyright (C) 2008 Richard Kettlewell
   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, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * 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
  18  * USA
  19  */
  20 /** @file disobedience/users.c
  21  * @brief User management for Disobedience
  22  */
  23
  24 #include "disobedience.h"
  25
  26 static GtkWidget *users_window;
  27 static GtkListStore *users_list;
  28 static GtkTreeSelection *users_selection;
  29
  30 static GtkWidget *users_details_window;
  31 static GtkWidget *users_details_name;
  32 static GtkWidget *users_details_email;
  33 static GtkWidget *users_details_password;
  34 static GtkWidget *users_details_password2;
  35 //static GtkWidget *users_details_rights;
  36
  37 static int usercmp(const void *a, const void *b) {
  38   return strcmp(*(char **)a, *(char **)b);
  39 }
  40
  41 static void users_got_list(void attribute((unused)) *v, int nvec, char **vec) {
  42   int n;
  43   GtkTreeIter iter;
  44
  45   /* Present users in alphabetical order */
  46   qsort(vec, nvec, sizeof (char *), usercmp);
  47   /* Set the list contents */
  48   gtk_list_store_clear(users_list);
  49   for(n = 0; n < nvec; ++n)
  50     gtk_list_store_insert_with_values(users_list, &iter, n/*position*/,
  51                                       0, vec[n], /* column 0 */
  52                                       -1);       /* no more columns */
  53   /* Only show the window when the list is populated */
  54   gtk_widget_show_all(users_window);
  55 }
  56
  57 static char *users_getuser(void) {
  58   GtkTreeIter iter;
  59   char *who, *c;
  60
  61   if(gtk_tree_selection_get_selected(users_selection, 0, &iter)) {
  62     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
  63                        0, &who, -1);
  64     if(who) {
  65       c = xstrdup(who);
  66       g_free(who);
  67       return c;
  68     }
  69   }
  70   return 0;
  71 }
  72
  73 /** @brief Text should be visible */
  74 #define DETAIL_VISIBLE 1
  75
  76 /** @brief Text should be editable */
  77 #define DETAIL_EDITABLE 2
  78
  79 /** @brief Add a row to the user details table
  80  * @param table Containin table widget
  81  * @param rowp Pointer to row number, incremented
  82  * @param title Label for this row
  83  * @param value Initial value or NULL
  84  * @param flags Flags word
  85  *
  86  * @return The text entry widget
  87  */
  88 static GtkWidget *users_add_detail(GtkWidget *table,
  89                                    int *rowp,
  90                                    const char *title,
  91                                    const char *value,
  92                                    unsigned flags) {
  93   const int row = (*rowp)++;
  94   GtkWidget *label, *entry;
  95
  96   label = gtk_label_new(title);
  97   gtk_misc_set_alignment(GTK_MISC(label), 1, 0);
  98   gtk_table_attach(GTK_TABLE(table),
  99                    label,
 100                    0, 1,                /* left/right_attach */
 101                    row, row+1,          /* top/bottom_attach */
 102                    GTK_FILL,            /* xoptions */
 103                    0,                   /* yoptions */
 104                    1, 1);               /* x/ypadding */
 105   entry = gtk_entry_new();
 106   gtk_entry_set_visibility(GTK_ENTRY(entry),
 107                            !!(flags & DETAIL_VISIBLE));
 108   gtk_editable_set_editable(GTK_EDITABLE(entry),
 109                             !!(flags & DETAIL_EDITABLE));
 110   if(value)
 111     gtk_entry_set_text(GTK_ENTRY(entry), value);
 112   gtk_table_attach(GTK_TABLE(table),
 113                    entry,
 114                    1, 2,                /* left/right_attach */
 115                    row, row + 1,        /* top/bottom_attach */
 116                    GTK_EXPAND|GTK_FILL, /* xoptions */
 117                    GTK_FILL,            /* yoptions */
 118                    1, 1);               /* x/ypadding */
 119   return entry;
 120 }
 121
 122
 123 /** @brief Create the user details window
 124  * @param title Window title
 125  * @param name User name (users_edit()) or NULL (users_add())
 126  * @param email Email address
 127  * @param rights User rights string
 128  * @param password Password
 129  *
 130  * This is used both by users_add() and users_edit().
 131  *
 132  * The window contains:
 133  * - display or edit fields for the username
 134  * - edit fields for the email address
 135  * - two hidden edit fields for the password (they must match)
 136  * - check boxes for the rights
 137  */
 138 static void users_makedetails(const char *title,
 139                               const char *name,
 140                               const char *email,
 141                               const char attribute((unused)) *rights,
 142                               const char *password) {
 143   GtkWidget *table;
 144   int row = 0;
 145
 146   /* Create the window */
 147   users_details_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 148   gtk_widget_set_style(users_details_window, tool_style);
 149   g_signal_connect(users_details_window, "destroy",
 150                    G_CALLBACK(gtk_widget_destroyed), &users_details_window);
 151   gtk_window_set_title(GTK_WINDOW(users_details_window), title);
 152   gtk_window_set_transient_for(GTK_WINDOW(users_details_window),
 153                                GTK_WINDOW(users_window));
 154   table = gtk_table_new(4, 2, FALSE/*!homogeneous*/);
 155
 156   users_details_name = users_add_detail(table, &row, "Username", name,
 157                                         (name ? 0 : DETAIL_EDITABLE)
 158                                         |DETAIL_VISIBLE);
 159
 160   users_details_email = users_add_detail(table, &row, "Email", email,
 161                                          DETAIL_EDITABLE|DETAIL_VISIBLE);
 162
 163   users_details_password = users_add_detail(table, &row, "Password",
 164                                             password,
 165                                             DETAIL_EDITABLE);
 166   users_details_password2 = users_add_detail(table, &row, "Password",
 167                                              password,
 168                                              DETAIL_EDITABLE);
 169
 170   /* TODO rights */
 171
 172   gtk_container_add(GTK_CONTAINER(users_details_window), table);
 173   gtk_widget_show_all(users_details_window);
 174 }
 175
 176 static void users_add(GtkButton attribute((unused)) *button,
 177                       gpointer attribute((unused)) userdata) {
 178 }
 179
 180 static void users_deleted_error(struct callbackdata attribute((unused)) *cbd,
 181                                 int attribute((unused)) code,
 182                                 const char *msg) {
 183   popup_msg(GTK_MESSAGE_ERROR, msg);
 184 }
 185
 186 static void users_deleted(void *v) {
 187   const struct callbackdata *const cbd = v;
 188   GtkTreeIter iter;
 189   char *who;
 190
 191   /* Find the user */
 192   if(!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(users_list), &iter))
 193     return;
 194   do {
 195     gtk_tree_model_get(GTK_TREE_MODEL(users_list), &iter,
 196                        0, &who, -1);
 197     if(!strcmp(who, cbd->u.user))
 198       break;
 199     g_free(who);
 200     who = 0;
 201   } while(gtk_tree_model_iter_next(GTK_TREE_MODEL(users_list), &iter));
 202   /* Remove them */
 203   gtk_list_store_remove(users_list, &iter);
 204   g_free(who);
 205 }
 206
 207 static void users_delete(GtkButton attribute((unused)) *button,
 208                          gpointer attribute((unused)) userdata) {
 209   GtkWidget *yesno;
 210   char *who;
 211   int res;
 212   struct callbackdata *cbd;
 213
 214   if(!(who = users_getuser()))
 215     return;
 216   yesno = gtk_message_dialog_new(GTK_WINDOW(users_window),
 217                                  GTK_DIALOG_MODAL,
 218                                  GTK_MESSAGE_QUESTION,
 219                                  GTK_BUTTONS_YES_NO,
 220                                  "Do you really want to delete user %s?"
 221                                  " This action cannot be undone.", who);
 222   res = gtk_dialog_run(GTK_DIALOG(yesno));
 223   gtk_widget_destroy(yesno);
 224   if(res == GTK_RESPONSE_YES) {
 225     cbd = xmalloc(sizeof *cbd);
 226     cbd->onerror = users_deleted_error;
 227     cbd->u.user = who;
 228     disorder_eclient_deluser(client, users_deleted, cbd->u.user, cbd);
 229   }
 230 }
 231
 232 static void users_edit(GtkButton attribute((unused)) *button,
 233                        gpointer attribute((unused)) userdata) {
 234   char *who;
 235
 236   if(!(who = users_getuser()))
 237     return;
 238   users_makedetails("editing user details", who, "foo@bar", "wibble", "wobble");
 239 }
 240
 241 static const struct button users_buttons[] = {
 242   {
 243     "Add user",
 244     users_add,
 245     "Create a new user"
 246   },
 247   {
 248     "Edit user",
 249     users_edit,
 250     "Edit a user"
 251   },
 252   {
 253     "Delete user",
 254     users_delete,
 255     "Delete a user"
 256   },
 257 };
 258 #define NUSERS_BUTTONS (sizeof users_buttons / sizeof *users_buttons)
 259
 260 void manage_users(void) {
 261   GtkWidget *tree, *buttons, *hbox;
 262   GtkCellRenderer *cr;
 263   GtkTreeViewColumn *col;
 264
 265   /* If the window already exists just raise it */
 266   if(users_window) {
 267     gtk_window_present(GTK_WINDOW(users_window));
 268     return;
 269   }
 270   /* Create the window */
 271   users_window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 272   gtk_widget_set_style(users_window, tool_style);
 273   g_signal_connect(users_window, "destroy",
 274                    G_CALLBACK(gtk_widget_destroyed), &users_window);
 275   gtk_window_set_title(GTK_WINDOW(users_window), "User Management");
 276   /* default size is too small */
 277   gtk_window_set_default_size(GTK_WINDOW(users_window), 240, 240);
 278
 279   /* Create the list of users and populate it asynchronously */
 280   users_list = gtk_list_store_new(1, G_TYPE_STRING);
 281   disorder_eclient_users(client, users_got_list, 0);
 282   /* Create the view */
 283   tree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(users_list));
 284   /* ...and the renderers for it */
 285   cr = gtk_cell_renderer_text_new();
 286   col = gtk_tree_view_column_new_with_attributes("Username",
 287                                                  cr,
 288                                                  "text", 0,
 289                                                  NULL);
 290   gtk_tree_view_append_column(GTK_TREE_VIEW(tree), col);
 291   /* Get the selection for the view and set its mode */
 292   users_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(tree));
 293   gtk_tree_selection_set_mode(users_selection, GTK_SELECTION_BROWSE);
 294   /* Create the control buttons */
 295   buttons = create_buttons_box(users_buttons,
 296                                NUSERS_BUTTONS,
 297                                gtk_vbox_new(FALSE, 1));
 298   /* Put it all together in an hbox */
 299   hbox = gtk_hbox_new(FALSE, 2);
 300   gtk_box_pack_start(GTK_BOX(hbox), tree, TRUE/*expand*/, TRUE/*fill*/, 0);
 301   gtk_box_pack_start(GTK_BOX(hbox), buttons, FALSE, FALSE, 0);
 302   gtk_container_add(GTK_CONTAINER(users_window), hbox);
 303 }
 304
 305 /*
 306 Local Variables:
 307 c-basic-offset:2
 308 comment-column:40
 309 fill-column:79
 310 indent-tabs-mode:nil
 311 End:
 312 */