anastasis-gtk

Demonstrator GUI for Anastasis
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anastasis-gtk_progress.c (4032B)

      1 /*
      2      This file is part of anastasis-gtk.
      3      Copyright (C) 2021 Anastasis SARL
      4 
      5      Anastasis is free software; you can redistribute it and/or modify
      6      it under the terms of the GNU General Public License as published
      7      by the Free Software Foundation; either version 3, or (at your
      8      option) any later version.
      9 
     10      Anastasis 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 Anastasis; see the file COPYING.  If not, write to the
     17      Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     18      Boston, MA 02110-1301, USA.
     19 */
     20 /**
     21  * @file src/anastasis/anastasis-gtk_progress.c
     22  * @brief Functions dealing with the tree views used to show the user where we are in the process
     23  * @author Christian Grothoff
     24  */
     25 #include <gnunet/gnunet_util_lib.h>
     26 #include "anastasis-gtk_helper.h"
     27 #include <gdk-pixbuf/gdk-pixbuf.h>
     28 
     29 
     30 /**
     31  * Ensure signals are ignored where the user
     32  * clicks in the widget.
     33  */
     34 gboolean
     35 anastasis_gtk_backup_progress_treeview_button_press_event_cb (
     36   GtkWidget *widget,
     37   GdkEvent  *event,
     38   gpointer user_data)
     39 {
     40   return TRUE;
     41 }
     42 
     43 
     44 /**
     45  * Ensure signals are ignored where the user
     46  * clicks in the widget.
     47  */
     48 gboolean
     49 anastasis_gtk_recovery_progress_treeview_button_press_event_cb (
     50   GtkWidget *widget,
     51   GdkEvent  *event,
     52   gpointer
     53   user_data)
     54 {
     55   return TRUE;
     56 }
     57 
     58 
     59 /**
     60  * Function to validate an input by regular expression ("validation-regex").
     61  *
     62  * @param input text to validate
     63  * @param regexp regular expression to validate form
     64  * @return true if validation passed, else false
     65  */
     66 static bool
     67 validate_regex (const char *input,
     68                 const char *regexp)
     69 {
     70   regex_t regex;
     71 
     72   if (0 != regcomp (&regex,
     73                     regexp,
     74                     REG_EXTENDED))
     75   {
     76     GNUNET_break (0);
     77     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
     78                 "Failed to compile regular expression `%s'.",
     79                 regexp);
     80     return true;
     81   }
     82   /* check if input has correct form */
     83   if (0 != regexec (&regex,
     84                     input,
     85                     0,
     86                     NULL,
     87                     0))
     88   {
     89     regfree (&regex);
     90     return false;
     91   }
     92   regfree (&regex);
     93   return true;
     94 }
     95 
     96 
     97 void
     98 AG_progress_update (void)
     99 {
    100   GtkTreeSelection *ts;
    101   GtkTreeModel *tm;
    102   GtkTreeIter iter;
    103   const char *state;
    104 
    105   state = json_string_value (json_object_get (AG_redux_state,
    106                                               "backup_state"));
    107   if (NULL == state)
    108   {
    109     state = json_string_value (json_object_get (AG_redux_state,
    110                                                 "recovery_state"));
    111     if (NULL == state)
    112     {
    113       GNUNET_break (0);
    114       return;
    115     }
    116     ts = GTK_TREE_SELECTION (GCG_get_main_window_object (
    117                                "anastasis_gtk_recovery_progress_tree_selection")
    118                              );
    119   }
    120   else
    121   {
    122     ts = GTK_TREE_SELECTION (GCG_get_main_window_object (
    123                                "anastasis_gtk_backup_progress_tree_selection"));
    124   }
    125   if (! gtk_tree_selection_get_selected (ts,
    126                                          &tm,
    127                                          &iter))
    128   {
    129     return;
    130   }
    131   if (! gtk_tree_model_get_iter_first (tm,
    132                                        &iter))
    133   {
    134     GNUNET_break (0);
    135     return;
    136   }
    137   do {
    138     char *regex;
    139 
    140     gtk_tree_model_get (tm,
    141                         &iter,
    142                         AG_PRGMC_REGEX, &regex,
    143                         -1);
    144     if (validate_regex (state,
    145                         regex))
    146     {
    147       g_free (regex);
    148       gtk_tree_selection_select_iter (ts,
    149                                       &iter);
    150       return;
    151     }
    152     g_free (regex);
    153   } while (gtk_tree_model_iter_next (tm,
    154                                      &iter));
    155   GNUNET_break (0);
    156   return;
    157 }