src/main.c

   1 /*
   2  * Copyright (C) 2010-2012 jeanfi@gmail.com
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  17  * 02110-1301 USA
  18  */
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 #include <json/json.h>
  24
  25 #include <gtk/gtk.h>
  26
  27 struct task {
  28         int id;
  29         char *description;
  30         char *status;
  31         char *uuid;
  32 };
  33
  34 static struct task **tasks;
  35 static GtkTextView *w_description;
  36 static GtkTreeView *w_treeview;
  37
  38 static char *task_exec(char *opts)
  39 {
  40         FILE *f;
  41         int ret, s;
  42         char *str, *tmp, *cmd, buf[1024];
  43
  44         str = NULL;
  45
  46         cmd = malloc(strlen("task rc.json.array=on ") + strlen(opts) + 1);
  47         strcpy(cmd, "task rc.json.array=on ");
  48         strcat(cmd, opts);
  49
  50         printf("execute: %s\n", cmd);
  51
  52         f = popen(cmd, "r");
  53
  54         if (!f) {
  55                 perror("popen");
  56                 goto exit_free;
  57         }
  58
  59         str = malloc(1);
  60         str[0] = '\0';
  61         while ((s = fread(buf, 1, 1024, f))) {
  62                 tmp = malloc(strlen(str) + s + 1);
  63                 memcpy(tmp, str, strlen(str));
  64                 memcpy(tmp + strlen(str), buf, s);
  65                 tmp[strlen(str) + s] = '\0';
  66                 free(str);
  67                 str = tmp;
  68         }
  69
  70         ret = pclose(f);
  71
  72         if (ret == -1) {
  73                 printf("pclose fails\n");
  74                 perror("pclose");
  75         }
  76
  77  exit_free:
  78         free(cmd);
  79
  80         return str;
  81 }
  82
  83 static struct json_object *task_exec_json(char *opts)
  84 {
  85         struct json_object *o;
  86         char *str;
  87
  88         str = task_exec(opts);
  89
  90         if (str) {
  91                 o = json_tokener_parse(str);
  92                 free(str);
  93                 return o;
  94         }
  95
  96         return NULL;
  97 }
  98
  99 static struct task **get_all_tasks()
 100 {
 101         int i, n;
 102         struct json_object *jtasks, *jtask, *json;
 103         struct task **tasks;
 104
 105         jtasks = task_exec_json("export");
 106
 107         if (!jtasks)
 108                 return NULL;
 109
 110         n = json_object_array_length(jtasks);
 111
 112         tasks = malloc((n + 1) * sizeof(struct task *));
 113
 114         for (i = 0; i < n; i++) {
 115                 jtask = json_object_array_get_idx(jtasks, i);
 116
 117                 tasks[i] = malloc(sizeof(struct task));
 118
 119                 json = json_object_object_get(jtask, "id");
 120                 tasks[i]->id = json_object_get_int(json);
 121
 122                 json = json_object_object_get(jtask, "description");
 123                 tasks[i]->description = strdup(json_object_get_string(json));
 124
 125                 json = json_object_object_get(jtask, "status");
 126                 tasks[i]->status = strdup(json_object_get_string(json));
 127
 128                 json = json_object_object_get(jtask, "uuid");
 129                 tasks[i]->uuid = strdup(json_object_get_string(json));
 130         }
 131
 132         tasks[n] = NULL;
 133
 134         json_object_put(jtasks);
 135
 136         return tasks;
 137 }
 138
 139 static struct task *get_selected_task(GtkTreeView *treeview)
 140 {
 141         GtkTreePath *path;
 142         GtkTreeViewColumn *cols;
 143         gint *i;
 144         struct task *task;
 145
 146         gtk_tree_view_get_cursor(treeview, &path, &cols);
 147
 148         if (path) {
 149                 i = gtk_tree_path_get_indices(path);
 150
 151                 if (i)
 152                         printf("row selected: %d\n", *i);
 153
 154                 task = tasks[*i];
 155
 156                 gtk_tree_path_free(path);
 157
 158                 return task;
 159         }
 160
 161         return NULL;
 162 }
 163
 164 static char *escape(char *txt)
 165 {
 166         char *result;
 167         char *c;
 168
 169         result = malloc(2*strlen(txt)+1);
 170         c = result;
 171
 172         while(*txt) {
 173                 switch(*txt) {
 174                 case '"':
 175                         *c = '\\'; c++;
 176                         *c = '"';
 177                         break;
 178                 case '$':
 179                         *c = '\\'; c++;
 180                         *c = '$';
 181                         break;
 182                 case '&':
 183                         *c = '\\'; c++;
 184                         *c = '&';
 185                         break;
 186                 default:
 187                         *c = *txt;
 188                 }
 189                 c++;
 190                 txt++;
 191         }
 192
 193         *c = '\0';
 194
 195         return result;
 196 }
 197
 198 static int tasksave_clicked_cbk(GtkButton *btn, gpointer data)
 199 {
 200         struct task *task;
 201         GtkTextBuffer *buf;
 202         char *txt, *opts;
 203         GtkTextIter sIter, eIter;
 204
 205         task = get_selected_task(GTK_TREE_VIEW(w_treeview));
 206
 207         printf("tasksave_clicked_cbk %d\n", task->id);
 208
 209         buf = gtk_text_view_get_buffer(w_description);
 210
 211         gtk_text_buffer_get_iter_at_offset(buf, &sIter, 0);
 212         gtk_text_buffer_get_iter_at_offset(buf, &eIter, -1);
 213         txt = gtk_text_buffer_get_text(buf, &sIter, &eIter, TRUE);
 214
 215         txt = escape(txt);
 216
 217         printf("%s\n", txt);
 218
 219         opts = malloc(1
 220                       + strlen(task->uuid)
 221                       + strlen(" modify description:\"")
 222                       + strlen(txt)
 223                       + strlen("\"")
 224                       + 1);
 225         sprintf(opts, " %s modify \"%s\"", task->uuid, txt);
 226
 227         task_exec(opts);
 228
 229         return FALSE;
 230 }
 231
 232 static int cursor_changed_cbk(GtkTreeView *treeview, gpointer data)
 233 {
 234         struct task *task;
 235         GtkTextBuffer *buf;
 236
 237         printf("cursor_changed_cbk\n");
 238
 239         task = get_selected_task(treeview);
 240
 241         if (task) {
 242                 buf = gtk_text_view_get_buffer(w_description);
 243                 gtk_text_buffer_set_text(buf,
 244                                          task->description,
 245                                          strlen(task->description));
 246
 247         }
 248
 249         return FALSE;
 250 }
 251
 252 int main(int argc, char **argv)
 253 {
 254         GtkWidget *window;
 255         GtkWidget *btn;
 256         GtkBuilder *builder;
 257         GtkTreeIter iter;
 258         int i;
 259         GtkTreeModel *model;
 260         struct task **tasks_cur;
 261
 262         gtk_init(NULL, NULL);
 263         builder = gtk_builder_new();
 264         gtk_builder_add_from_file
 265                 (builder,
 266                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "gtask.glade",
 267                  NULL);
 268         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 269         printf("%p\n", window);
 270
 271         w_treeview = GTK_TREE_VIEW(gtk_builder_get_object(builder, "treeview"));
 272
 273         w_description = GTK_TEXT_VIEW(gtk_builder_get_object(builder,
 274                                                              "taskdescription"));
 275
 276         model = gtk_tree_view_get_model(GTK_TREE_VIEW(w_treeview));
 277
 278         tasks = get_all_tasks();
 279
 280         for (tasks_cur = tasks, i = 0; *tasks_cur; tasks_cur++, i++) {
 281                 gtk_list_store_append(GTK_LIST_STORE(model), &iter);
 282                 gtk_list_store_set(GTK_LIST_STORE(model),
 283                                    &iter,
 284                                    0, (*tasks_cur)->id,
 285                                    1, (*tasks_cur)->description,
 286                                    -1);
 287         }
 288
 289         g_signal_connect(w_treeview,
 290                          "cursor-changed", (GCallback)cursor_changed_cbk, tasks);
 291
 292         btn = GTK_WIDGET(gtk_builder_get_object(builder, "tasksave"));
 293         g_signal_connect(btn,
 294                          "clicked", (GCallback)tasksave_clicked_cbk, tasks);
 295
 296         g_object_unref(G_OBJECT(builder));
 297
 298         gtk_widget_show_all(window);
 299
 300         gtk_main();
 301
 302         exit(EXIT_SUCCESS);
 303 }