src/ui_sensorpref.c

   1 /*
   2     Copyright (C) 2010-2011 jeanfi@gmail.com
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU 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
  20 #include <stdlib.h>
  21
  22 #include <gtk/gtk.h>
  23
  24 #include "cfg.h"
  25 #include "ui_pref.h"
  26 #include "ui_sensorlist.h"
  27 #include "ui_sensorpref.h"
  28 #include "ui_color.h"
  29
  30 struct sensor_pref {
  31         struct psensor *sensor;
  32         char *name;
  33         int enabled;
  34         struct color *color;
  35         int alarm_enabled;
  36         double alarm_limit;
  37 };
  38
  39 struct cb_data {
  40         struct ui_psensor *ui;
  41         GtkBuilder *builder;
  42         struct sensor_pref **prefs;
  43 };
  44
  45 static struct sensor_pref *sensor_pref_new(struct psensor *s)
  46 {
  47         struct sensor_pref *p = malloc(sizeof(struct sensor_pref));
  48
  49         p->sensor = s;
  50
  51         p->name = strdup(s->name);
  52         p->enabled = s->enabled;
  53         p->alarm_enabled = s->alarm_enabled;
  54         p->alarm_limit = s->alarm_limit;
  55         p->color = color_dup(s->color);
  56
  57         return p;
  58 }
  59
  60 static void sensor_pref_free(struct sensor_pref *p)
  61 {
  62         if (!p)
  63                 return ;
  64
  65         free(p->name);
  66         free(p->color);
  67
  68         free(p);
  69 }
  70
  71 static struct sensor_pref **sensor_pref_list_new(struct psensor **sensors)
  72 {
  73         int n, i;
  74         struct sensor_pref **pref_list;
  75
  76         n = psensor_list_size(sensors);
  77         pref_list = malloc(sizeof(struct sensor_pref *) * (n+1));
  78
  79         for (i = 0; i < n; i++)
  80                 pref_list[i] = sensor_pref_new(sensors[i]);
  81
  82         pref_list[n] = NULL;
  83
  84         return pref_list;
  85 }
  86
  87 static void sensor_pref_list_free(struct sensor_pref **list)
  88 {
  89         struct sensor_pref **cur = list;
  90
  91         while (*cur) {
  92                 sensor_pref_free(*cur);
  93
  94                 cur++;
  95         }
  96
  97         free(list);
  98 }
  99
 100 static struct sensor_pref *
 101 sensor_pref_get(struct sensor_pref **ps, struct psensor *s)
 102 {
 103         struct sensor_pref **p_cur = ps;
 104
 105         while (*p_cur) {
 106                 struct sensor_pref *p = *p_cur;
 107
 108                 if (p->sensor == s)
 109                         return p;
 110
 111                 p_cur++;
 112         }
 113
 114         return NULL;
 115 }
 116
 117 static struct sensor_pref *
 118 get_seleted_sensor_pref(GtkBuilder *builder, struct sensor_pref **ps)
 119 {
 120         GtkTreeModel *model;
 121         GtkTreeIter iter;
 122         struct sensor_pref *pref = NULL;
 123         GtkTreeSelection *selection;
 124         GtkTreeView *tree;
 125
 126         tree = GTK_TREE_VIEW(gtk_builder_get_object(builder,
 127                                      "sensors_list"));
 128
 129         selection = gtk_tree_view_get_selection(tree);
 130
 131         if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 132                 GtkTreePath *p = gtk_tree_model_get_path(model, &iter);
 133                 gint *indices = gtk_tree_path_get_indices(p);
 134
 135                 pref = ps[*indices];
 136
 137                 gtk_tree_path_free(p);
 138         }
 139
 140         return pref;
 141 }
 142
 143 static void on_name_changed(GtkEntry *entry, gpointer data)
 144 {
 145         struct cb_data *cbdata = data;
 146         struct sensor_pref *p;
 147         const char *str;
 148
 149         str = gtk_entry_get_text(entry);
 150
 151         p = get_seleted_sensor_pref(cbdata->builder, cbdata->prefs);
 152
 153         if (p && strcmp(p->name, str)) {
 154                 free(p->name);
 155                 p->name = strdup(str);
 156         }
 157 }
 158
 159 static void
 160 on_drawed_toggled(GtkToggleButton *btn, gpointer data)
 161 {
 162         struct cb_data *cbdata = data;
 163         struct sensor_pref *p;
 164
 165         p = get_seleted_sensor_pref(cbdata->builder, cbdata->prefs);
 166
 167         if (p)
 168                 p->enabled = gtk_toggle_button_get_active(btn);
 169 }
 170
 171 static void
 172 on_alarm_toggled(GtkToggleButton *btn, gpointer data)
 173 {
 174         struct cb_data *cbdata = data;
 175         struct sensor_pref *p;
 176
 177         p = get_seleted_sensor_pref(cbdata->builder, cbdata->prefs);
 178
 179         if (p)
 180                 p->alarm_enabled = gtk_toggle_button_get_active(btn);
 181 }
 182
 183 static void on_color_set(GtkColorButton *widget, gpointer data)
 184 {
 185         struct cb_data *cbdata = data;
 186         struct sensor_pref *p;
 187         GdkColor color;
 188
 189         p = get_seleted_sensor_pref(cbdata->builder, cbdata->prefs);
 190
 191         if (p) {
 192                 gtk_color_button_get_color(widget, &color);
 193                 color_set(p->color, color.red, color.green, color.blue);
 194         }
 195 }
 196
 197 static void on_temp_limit_changed(GtkSpinButton *btn, gpointer data)
 198 {
 199         struct cb_data *cbdata = data;
 200         struct sensor_pref *p;
 201
 202         p = get_seleted_sensor_pref(cbdata->builder, cbdata->prefs);
 203
 204         if (p)
 205                 p->alarm_limit = gtk_spin_button_get_value(btn);
 206 }
 207
 208 static void connect_signals(GtkBuilder *builder, struct cb_data *cbdata)
 209 {
 210         g_signal_connect(gtk_builder_get_object(builder, "sensor_name"),
 211                          "changed", G_CALLBACK(on_name_changed), cbdata);
 212
 213         g_signal_connect(gtk_builder_get_object(builder, "sensor_draw"),
 214                          "toggled", G_CALLBACK(on_drawed_toggled), cbdata);
 215
 216         g_signal_connect(gtk_builder_get_object(builder, "sensor_color"),
 217                          "color-set", G_CALLBACK(on_color_set), cbdata);
 218
 219         g_signal_connect(gtk_builder_get_object(builder, "sensor_alarm"),
 220                          "toggled", G_CALLBACK(on_alarm_toggled), cbdata);
 221
 222         g_signal_connect(gtk_builder_get_object(builder, "sensor_temp_limit"),
 223                          "value-changed", G_CALLBACK(on_temp_limit_changed),
 224                          cbdata);
 225 }
 226
 227 static void
 228 update_pref(struct psensor *s, struct sensor_pref **prefs, GtkBuilder *builder)
 229 {
 230         GtkLabel *w_id, *w_type;
 231         GtkEntry *w_name;
 232         GtkToggleButton *w_draw, *w_alarm;
 233         GtkColorButton *w_color;
 234         GtkSpinButton *w_temp_limit;
 235         GdkColor *color;
 236         struct sensor_pref *p = sensor_pref_get(prefs, s);
 237
 238         w_id = GTK_LABEL(gtk_builder_get_object(builder, "sensor_id"));
 239         gtk_label_set_text(w_id, s->id);
 240
 241         w_type = GTK_LABEL(gtk_builder_get_object(builder, "sensor_type"));
 242         gtk_label_set_text(w_type, psensor_type_to_str(s->type));
 243
 244         w_name = GTK_ENTRY(gtk_builder_get_object(builder, "sensor_name"));
 245         gtk_entry_set_text(w_name, p->name);
 246
 247         w_draw = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder,
 248                                                           "sensor_draw"));
 249         gtk_toggle_button_set_active(w_draw, p->enabled);
 250
 251         color = color_to_gdkcolor(p->color);
 252         w_color = GTK_COLOR_BUTTON(gtk_builder_get_object(builder,
 253                                                           "sensor_color"));
 254         gtk_color_button_set_color(w_color, color);
 255
 256         w_alarm = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder,
 257                                                            "sensor_alarm"));
 258         w_temp_limit
 259                 = GTK_SPIN_BUTTON(gtk_builder_get_object(builder,
 260                                                          "sensor_temp_limit"));
 261
 262         if (is_temp_type(s->type)) {
 263                 gtk_toggle_button_set_active(w_alarm, p->alarm_enabled);
 264                 gtk_spin_button_set_value(w_temp_limit, p->alarm_limit);
 265                 gtk_widget_set_sensitive(GTK_WIDGET(w_alarm), TRUE);
 266                 gtk_widget_set_sensitive(GTK_WIDGET(w_temp_limit), TRUE);
 267         } else {
 268                 gtk_toggle_button_set_active(w_alarm, 0);
 269                 gtk_spin_button_set_value(w_temp_limit, 0);
 270                 gtk_widget_set_sensitive(GTK_WIDGET(w_alarm), FALSE);
 271                 gtk_widget_set_sensitive(GTK_WIDGET(w_temp_limit), FALSE);
 272         }
 273 }
 274
 275 static void on_changed(GtkTreeSelection *selection, gpointer data)
 276 {
 277         GtkTreeModel *model;
 278         GtkTreeIter iter;
 279         struct cb_data *cbdata = data;
 280         struct ui_psensor *ui = cbdata->ui;
 281
 282         if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 283                 GtkTreePath *p = gtk_tree_model_get_path(model, &iter);
 284                 gint *indices = gtk_tree_path_get_indices(p);
 285                 struct psensor *s = *(ui->sensors + *indices);
 286
 287                 update_pref(s, cbdata->prefs, cbdata->builder);
 288
 289                 gtk_tree_path_free(p);
 290         }
 291 }
 292
 293 static void
 294 select_sensor(struct psensor *s, struct psensor **sensors, GtkTreeView *tree)
 295 {
 296         struct psensor **s_cur = sensors;
 297         int i = 0;
 298         GtkTreePath *p = NULL;
 299
 300         while (*s_cur) {
 301                 if (s == *s_cur) {
 302                         p = gtk_tree_path_new_from_indices(i, -1);
 303                         break;
 304                 }
 305
 306                 i++;
 307                 s_cur++;
 308         }
 309
 310         if (p) {
 311                 GtkTreeSelection *s = gtk_tree_view_get_selection(tree);
 312
 313                 gtk_tree_selection_select_path(s, p);
 314                 gtk_tree_path_free(p);
 315         }
 316 }
 317
 318 static void
 319 apply_prefs(struct sensor_pref **prefs, struct psensor **sensors)
 320 {
 321         int n = psensor_list_size(sensors);
 322         int i;
 323
 324         for (i = 0; i < n; i++) {
 325                 struct psensor *s = sensors[i];
 326                 struct sensor_pref *p = prefs[i];
 327
 328                 if (strcmp(p->name, s->name)) {
 329                         free(s->name);
 330                         s->name = strdup(p->name);
 331                         config_set_sensor_name(s->id, s->name);
 332                 }
 333
 334                 if (s->enabled != p->enabled) {
 335                         s->enabled = p->enabled;
 336                         config_set_sensor_enabled(s->id, s->enabled);
 337                 }
 338
 339                 if (s->alarm_limit != p->alarm_limit) {
 340                         s->alarm_limit = p->alarm_limit;
 341                         config_set_sensor_alarm_limit(s->id,
 342                                                       s->alarm_limit);
 343                 }
 344
 345                 if (s->alarm_enabled != p->alarm_enabled) {
 346                         s->alarm_enabled = p->alarm_enabled;
 347                         config_set_sensor_alarm_enabled(s->id,
 348                                                         s->alarm_enabled);
 349                 }
 350
 351                 color_set(s->color,
 352                           p->color->red, p->color->green, p->color->blue);
 353                 config_set_sensor_color(s->id, s->color);
 354         }
 355 }
 356
 357 void ui_sensorpref_dialog_run(struct psensor *sensor, struct ui_psensor *ui)
 358 {
 359         GtkDialog *diag;
 360         gint result;
 361         GtkBuilder *builder;
 362         GError *error = NULL;
 363         GtkTreeView *w_sensors_list;
 364         guint ok;
 365         GtkCellRenderer *renderer;
 366         GtkListStore *store;
 367         struct psensor **s_cur;
 368         GtkTreeSelection *selection;
 369         struct cb_data cbdata;
 370
 371         cbdata.ui = ui;
 372         cbdata.prefs = sensor_pref_list_new(ui->sensors);
 373
 374         builder = gtk_builder_new();
 375         cbdata.builder = builder;
 376
 377         ok = gtk_builder_add_from_file
 378                 (builder,
 379                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "sensor-edit.glade",
 380                  &error);
 381
 382         if (!ok) {
 383                 g_warning("%s", error->message);
 384                 g_error_free(error);
 385                 return ;
 386         }
 387
 388         update_pref(sensor, cbdata.prefs, builder);
 389         connect_signals(builder, &cbdata);
 390
 391         w_sensors_list
 392                 = GTK_TREE_VIEW(gtk_builder_get_object(builder,
 393                                                        "sensors_list"));
 394
 395         renderer = gtk_cell_renderer_text_new();
 396         gtk_tree_view_insert_column_with_attributes(w_sensors_list,
 397                                                     -1,
 398                                                     _("Sensor Name"),
 399                                                     renderer,
 400                                                     "text", 0, NULL);
 401
 402         store = GTK_LIST_STORE(gtk_tree_view_get_model(w_sensors_list));
 403
 404         s_cur = ui->sensors;
 405         while (*s_cur) {
 406                 GtkTreeIter iter;
 407                 struct psensor *s = *s_cur;
 408
 409                 gtk_list_store_append(store, &iter);
 410                 gtk_list_store_set(store, &iter, 0, s->name, -1);
 411
 412                 s_cur++;
 413         }
 414
 415         selection = gtk_tree_view_get_selection(w_sensors_list);
 416         g_signal_connect(selection, "changed", G_CALLBACK(on_changed), &cbdata);
 417         select_sensor(sensor, ui->sensors, w_sensors_list);
 418
 419         diag = GTK_DIALOG(gtk_builder_get_object(builder, "dialog1"));
 420         result = gtk_dialog_run(diag);
 421
 422         if (result == GTK_RESPONSE_ACCEPT) {
 423                 apply_prefs(cbdata.prefs, ui->sensors);
 424                 ui_sensorlist_update_sensors_preferences(ui);
 425         }
 426
 427         g_object_unref(G_OBJECT(builder));
 428
 429         gtk_widget_destroy(GTK_WIDGET(diag));
 430
 431         sensor_pref_list_free(cbdata.prefs);
 432 }