src/ui_sensorpref.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 <stdlib.h>
  20
  21 #include <gtk/gtk.h>
  22
  23 #include "cfg.h"
  24 #include "ui_pref.h"
  25 #include "ui_sensorlist.h"
  26 #include "ui_sensorpref.h"
  27 #include "ui_color.h"
  28
  29 struct sensor_pref {
  30         struct psensor *sensor;
  31         char *name;
  32         int enabled;
  33         struct color *color;
  34         int alarm_enabled;
  35         int alarm_high_thresold;
  36         int alarm_low_thresold;
  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                                            struct config *cfg)
  47 {
  48         struct sensor_pref *p;
  49
  50         p = malloc(sizeof(struct sensor_pref));
  51
  52         p->sensor = s;
  53         p->name = strdup(s->name);
  54         p->enabled = s->enabled;
  55         p->alarm_enabled = s->alarm_enabled;
  56         p->color = color_dup(s->color);
  57
  58         if (cfg->temperature_unit == CELCIUS) {
  59                 p->alarm_high_thresold = s->alarm_high_thresold;
  60                 p->alarm_low_thresold = s->alarm_low_thresold;
  61         } else {
  62                 p->alarm_high_thresold
  63                         = celcius_to_fahrenheit(s->alarm_high_thresold);
  64                 p->alarm_low_thresold
  65                         = celcius_to_fahrenheit(s->alarm_low_thresold);
  66         }
  67
  68         return p;
  69 }
  70
  71 static void sensor_pref_free(struct sensor_pref *p)
  72 {
  73         if (!p)
  74                 return ;
  75
  76         free(p->name);
  77         free(p->color);
  78
  79         free(p);
  80 }
  81
  82 static struct sensor_pref **sensor_pref_list_new(struct psensor **sensors,
  83                                                  struct config *cfg)
  84 {
  85         int n, i;
  86         struct sensor_pref **pref_list;
  87
  88         n = psensor_list_size(sensors);
  89         pref_list = malloc(sizeof(struct sensor_pref *) * (n+1));
  90
  91         for (i = 0; i < n; i++)
  92                 pref_list[i] = sensor_pref_new(sensors[i],
  93                                                cfg);
  94
  95         pref_list[n] = NULL;
  96
  97         return pref_list;
  98 }
  99
 100 static void sensor_pref_list_free(struct sensor_pref **list)
 101 {
 102         struct sensor_pref **cur = list;
 103
 104         while (*cur) {
 105                 sensor_pref_free(*cur);
 106
 107                 cur++;
 108         }
 109
 110         free(list);
 111 }
 112
 113 static struct sensor_pref *
 114 sensor_pref_get(struct sensor_pref **ps, struct psensor *s)
 115 {
 116         struct sensor_pref **p_cur = ps;
 117
 118         while (*p_cur) {
 119                 struct sensor_pref *p = *p_cur;
 120
 121                 if (p->sensor == s)
 122                         return p;
 123
 124                 p_cur++;
 125         }
 126
 127         return NULL;
 128 }
 129
 130 static struct sensor_pref *
 131 get_selected_sensor_pref(GtkBuilder *builder, struct sensor_pref **ps)
 132 {
 133         GtkTreeModel *model;
 134         GtkTreeIter iter;
 135         struct sensor_pref *pref = NULL;
 136         GtkTreeSelection *selection;
 137         GtkTreeView *tree;
 138
 139         tree = GTK_TREE_VIEW(gtk_builder_get_object(builder,
 140                                      "sensors_list"));
 141
 142         selection = gtk_tree_view_get_selection(tree);
 143
 144         if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 145                 GtkTreePath *p = gtk_tree_model_get_path(model, &iter);
 146                 gint *indices = gtk_tree_path_get_indices(p);
 147
 148                 pref = ps[*indices];
 149
 150                 gtk_tree_path_free(p);
 151         }
 152
 153         return pref;
 154 }
 155
 156 static void on_name_changed(GtkEntry *entry, gpointer data)
 157 {
 158         struct cb_data *cbdata = data;
 159         struct sensor_pref *p;
 160         const char *str;
 161
 162         str = gtk_entry_get_text(entry);
 163
 164         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 165
 166         if (p && strcmp(p->name, str)) {
 167                 free(p->name);
 168                 p->name = strdup(str);
 169         }
 170 }
 171
 172 static void
 173 on_drawed_toggled(GtkToggleButton *btn, gpointer data)
 174 {
 175         struct cb_data *cbdata = data;
 176         struct sensor_pref *p;
 177
 178         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 179
 180         if (p)
 181                 p->enabled = gtk_toggle_button_get_active(btn);
 182 }
 183
 184 static void
 185 on_alarm_toggled(GtkToggleButton *btn, gpointer data)
 186 {
 187         struct cb_data *cbdata = data;
 188         struct sensor_pref *p;
 189
 190         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 191
 192         if (p)
 193                 p->alarm_enabled = gtk_toggle_button_get_active(btn);
 194 }
 195
 196 static void on_color_set(GtkColorButton *widget, gpointer data)
 197 {
 198         struct cb_data *cbdata = data;
 199         struct sensor_pref *p;
 200         GdkColor color;
 201
 202         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 203
 204         if (p) {
 205                 gtk_color_button_get_color(widget, &color);
 206                 color_set(p->color, color.red, color.green, color.blue);
 207         }
 208 }
 209
 210 static void on_alarm_high_thresold_changed(GtkSpinButton *btn, gpointer data)
 211 {
 212         struct cb_data *cbdata;
 213         struct sensor_pref *p;
 214
 215         cbdata = data;
 216
 217         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 218
 219         if (p)
 220                 p->alarm_high_thresold = gtk_spin_button_get_value(btn);
 221 }
 222
 223 static void on_alarm_low_thresold_changed(GtkSpinButton *btn, gpointer data)
 224 {
 225         struct cb_data *cbdata;
 226         struct sensor_pref *p;
 227
 228         cbdata = data;
 229
 230         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 231
 232         if (p)
 233                 p->alarm_low_thresold = gtk_spin_button_get_value(btn);
 234 }
 235
 236 static void connect_signals(GtkBuilder *builder, struct cb_data *cbdata)
 237 {
 238         g_signal_connect(gtk_builder_get_object(builder, "sensor_name"),
 239                          "changed", G_CALLBACK(on_name_changed), cbdata);
 240
 241         g_signal_connect(gtk_builder_get_object(builder, "sensor_draw"),
 242                          "toggled", G_CALLBACK(on_drawed_toggled), cbdata);
 243
 244         g_signal_connect(gtk_builder_get_object(builder, "sensor_color"),
 245                          "color-set", G_CALLBACK(on_color_set), cbdata);
 246
 247         g_signal_connect(gtk_builder_get_object(builder, "sensor_alarm"),
 248                          "toggled", G_CALLBACK(on_alarm_toggled), cbdata);
 249
 250         g_signal_connect(gtk_builder_get_object(builder,
 251                                                 "sensor_alarm_high_thresold"),
 252                          "value-changed",
 253                          G_CALLBACK(on_alarm_high_thresold_changed),
 254                          cbdata);
 255
 256         g_signal_connect(gtk_builder_get_object(builder,
 257                                                 "sensor_alarm_low_thresold"),
 258                          "value-changed",
 259                          G_CALLBACK(on_alarm_low_thresold_changed),
 260                          cbdata);
 261 }
 262
 263 static void
 264 update_pref(struct psensor *s,
 265             struct sensor_pref **prefs,
 266             struct config *cfg,
 267             GtkBuilder *builder)
 268 {
 269         GtkLabel *w_id, *w_type, *w_high_thresold_unit, *w_low_thresold_unit;
 270         GtkEntry *w_name;
 271         GtkToggleButton *w_draw, *w_alarm;
 272         GtkColorButton *w_color;
 273         GtkSpinButton *w_high_thresold, *w_low_thresold;
 274         GdkColor *color;
 275         struct sensor_pref *p = sensor_pref_get(prefs, s);
 276         int use_celcius;
 277
 278         w_id = GTK_LABEL(gtk_builder_get_object(builder, "sensor_id"));
 279         gtk_label_set_text(w_id, s->id);
 280
 281         w_type = GTK_LABEL(gtk_builder_get_object(builder, "sensor_type"));
 282         gtk_label_set_text(w_type, psensor_type_to_str(s->type));
 283
 284         w_name = GTK_ENTRY(gtk_builder_get_object(builder, "sensor_name"));
 285         gtk_entry_set_text(w_name, p->name);
 286
 287         w_draw = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder,
 288                                                           "sensor_draw"));
 289         gtk_toggle_button_set_active(w_draw, p->enabled);
 290
 291         color = color_to_gdkcolor(p->color);
 292         w_color = GTK_COLOR_BUTTON(gtk_builder_get_object(builder,
 293                                                           "sensor_color"));
 294         gtk_color_button_set_color(w_color, color);
 295
 296         w_alarm = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder,
 297                                                            "sensor_alarm"));
 298         w_high_thresold = GTK_SPIN_BUTTON(gtk_builder_get_object
 299                                           (builder,
 300                                            "sensor_alarm_high_thresold"));
 301         w_low_thresold = GTK_SPIN_BUTTON(gtk_builder_get_object
 302                                          (builder,
 303                                           "sensor_alarm_low_thresold"));
 304
 305         w_high_thresold_unit = GTK_LABEL(gtk_builder_get_object
 306                                          (builder,
 307                                           "sensor_alarm_high_thresold_unit"));
 308         w_low_thresold_unit = GTK_LABEL(gtk_builder_get_object
 309                                         (builder,
 310                                          "sensor_alarm_low_thresold_unit"));
 311
 312         use_celcius = cfg->temperature_unit == CELCIUS ? 1 : 0;
 313         gtk_label_set_text(w_high_thresold_unit,
 314                            psensor_type_to_unit_str(s->type,
 315                                                     use_celcius));
 316         gtk_label_set_text(w_low_thresold_unit,
 317                            psensor_type_to_unit_str(s->type,
 318                                                     use_celcius));
 319
 320         if (is_temp_type(s->type)) {
 321                 gtk_toggle_button_set_active(w_alarm, p->alarm_enabled);
 322                 gtk_spin_button_set_value(w_high_thresold,
 323                                           p->alarm_high_thresold);
 324                 gtk_spin_button_set_value(w_low_thresold,
 325                                           p->alarm_low_thresold);
 326                 gtk_widget_set_sensitive(GTK_WIDGET(w_alarm), TRUE);
 327                 gtk_widget_set_sensitive(GTK_WIDGET(w_high_thresold), TRUE);
 328                 gtk_widget_set_sensitive(GTK_WIDGET(w_low_thresold), TRUE);
 329         } else {
 330                 gtk_toggle_button_set_active(w_alarm, 0);
 331                 gtk_spin_button_set_value(w_high_thresold, 0);
 332                 gtk_spin_button_set_value(w_low_thresold, 0);
 333                 gtk_widget_set_sensitive(GTK_WIDGET(w_alarm), FALSE);
 334                 gtk_widget_set_sensitive(GTK_WIDGET(w_high_thresold), FALSE);
 335                 gtk_widget_set_sensitive(GTK_WIDGET(w_low_thresold), FALSE);
 336         }
 337 }
 338
 339 static void on_changed(GtkTreeSelection *selection, gpointer data)
 340 {
 341         GtkTreeModel *model;
 342         GtkTreeIter iter;
 343         struct cb_data *cbdata = data;
 344         struct ui_psensor *ui = cbdata->ui;
 345
 346         if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 347                 GtkTreePath *p = gtk_tree_model_get_path(model, &iter);
 348                 gint *indices = gtk_tree_path_get_indices(p);
 349                 struct psensor *s = *(ui->sensors + *indices);
 350
 351                 update_pref(s,
 352                             cbdata->prefs,
 353                             ui->config,
 354                             cbdata->builder);
 355
 356                 gtk_tree_path_free(p);
 357         }
 358 }
 359
 360 static void
 361 select_sensor(struct psensor *s, struct psensor **sensors, GtkTreeView *tree)
 362 {
 363         struct psensor **s_cur = sensors;
 364         int i = 0;
 365         GtkTreePath *p = NULL;
 366
 367         while (*s_cur) {
 368                 if (s == *s_cur) {
 369                         p = gtk_tree_path_new_from_indices(i, -1);
 370                         break;
 371                 }
 372
 373                 i++;
 374                 s_cur++;
 375         }
 376
 377         if (p) {
 378                 GtkTreeSelection *s = gtk_tree_view_get_selection(tree);
 379
 380                 gtk_tree_selection_select_path(s, p);
 381                 gtk_tree_path_free(p);
 382         }
 383 }
 384
 385 static void
 386 apply_prefs(struct sensor_pref **prefs,
 387             struct psensor **sensors,
 388             struct config *cfg)
 389 {
 390         int n = psensor_list_size(sensors);
 391         int i;
 392
 393         for (i = 0; i < n; i++) {
 394                 struct psensor *s = sensors[i];
 395                 struct sensor_pref *p = prefs[i];
 396
 397                 if (strcmp(p->name, s->name)) {
 398                         free(s->name);
 399                         s->name = strdup(p->name);
 400                         config_set_sensor_name(s->id, s->name);
 401                 }
 402
 403                 if (s->enabled != p->enabled) {
 404                         s->enabled = p->enabled;
 405                         config_set_sensor_enabled(s->id, s->enabled);
 406                 }
 407
 408                 if (is_temp_type(s->type) && cfg->temperature_unit == CELCIUS) {
 409                         s->alarm_high_thresold = p->alarm_high_thresold;
 410                         s->alarm_low_thresold = p->alarm_low_thresold;
 411                 } else {
 412                         s->alarm_high_thresold = fahrenheit_to_celcius
 413                                 (p->alarm_high_thresold);
 414                         s->alarm_low_thresold = fahrenheit_to_celcius
 415                                 (p->alarm_low_thresold);
 416                 }
 417
 418                 config_set_sensor_alarm_high_thresold(s->id,
 419                                                       s->alarm_high_thresold);
 420                 config_set_sensor_alarm_low_thresold(s->id,
 421                                                      s->alarm_low_thresold);
 422
 423                 if (s->alarm_enabled != p->alarm_enabled) {
 424                         s->alarm_enabled = p->alarm_enabled;
 425                         config_set_sensor_alarm_enabled(s->id,
 426                                                         s->alarm_enabled);
 427                 }
 428
 429                 color_set(s->color,
 430                           p->color->red, p->color->green, p->color->blue);
 431                 config_set_sensor_color(s->id, s->color);
 432         }
 433 }
 434
 435 void ui_sensorpref_dialog_run(struct psensor *sensor, struct ui_psensor *ui)
 436 {
 437         GtkDialog *diag;
 438         gint result;
 439         GtkBuilder *builder;
 440         GError *error = NULL;
 441         GtkTreeView *w_sensors_list;
 442         guint ok;
 443         GtkCellRenderer *renderer;
 444         GtkListStore *store;
 445         struct psensor **s_cur;
 446         GtkTreeSelection *selection;
 447         struct cb_data cbdata;
 448
 449         cbdata.ui = ui;
 450         cbdata.prefs = sensor_pref_list_new(ui->sensors,
 451                                             ui->config);
 452
 453         builder = gtk_builder_new();
 454         cbdata.builder = builder;
 455
 456         ok = gtk_builder_add_from_file
 457                 (builder,
 458                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "sensor-edit.glade",
 459                  &error);
 460
 461         if (!ok) {
 462                 log_printf(LOG_ERR, error->message);
 463                 g_error_free(error);
 464                 return ;
 465         }
 466
 467         update_pref(sensor, cbdata.prefs, ui->config, builder);
 468         connect_signals(builder, &cbdata);
 469
 470         w_sensors_list
 471                 = GTK_TREE_VIEW(gtk_builder_get_object(builder,
 472                                                        "sensors_list"));
 473
 474         renderer = gtk_cell_renderer_text_new();
 475         gtk_tree_view_insert_column_with_attributes(w_sensors_list,
 476                                                     -1,
 477                                                     _("Sensor Name"),
 478                                                     renderer,
 479                                                     "text", 0, NULL);
 480
 481         store = GTK_LIST_STORE(gtk_tree_view_get_model(w_sensors_list));
 482
 483         s_cur = ui->sensors;
 484         while (*s_cur) {
 485                 GtkTreeIter iter;
 486                 struct psensor *s = *s_cur;
 487
 488                 gtk_list_store_append(store, &iter);
 489                 gtk_list_store_set(store, &iter, 0, s->name, -1);
 490
 491                 s_cur++;
 492         }
 493
 494         selection = gtk_tree_view_get_selection(w_sensors_list);
 495         g_signal_connect(selection, "changed", G_CALLBACK(on_changed), &cbdata);
 496         select_sensor(sensor, ui->sensors, w_sensors_list);
 497
 498         diag = GTK_DIALOG(gtk_builder_get_object(builder, "dialog1"));
 499         result = gtk_dialog_run(diag);
 500
 501         if (result == GTK_RESPONSE_ACCEPT) {
 502                 apply_prefs(cbdata.prefs, ui->sensors, ui->config);
 503                 ui_sensorlist_update_sensors_preferences(ui);
 504         }
 505
 506         g_object_unref(G_OBJECT(builder));
 507
 508         gtk_widget_destroy(GTK_WIDGET(diag));
 509
 510         sensor_pref_list_free(cbdata.prefs);
 511 }