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 };
  37
  38 struct cb_data {
  39         struct ui_psensor *ui;
  40         GtkBuilder *builder;
  41         struct sensor_pref **prefs;
  42 };
  43
  44 static struct sensor_pref *sensor_pref_new(struct psensor *s,
  45                                            struct config *cfg)
  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->color = color_dup(s->color);
  55
  56         if (cfg->temperature_unit == CELCIUS)
  57                 p->alarm_high_thresold = s->alarm_high_thresold;
  58         else
  59                 p->alarm_high_thresold
  60                         = celcius_to_fahrenheit(s->alarm_high_thresold);
  61
  62         return p;
  63 }
  64
  65 static void sensor_pref_free(struct sensor_pref *p)
  66 {
  67         if (!p)
  68                 return ;
  69
  70         free(p->name);
  71         free(p->color);
  72
  73         free(p);
  74 }
  75
  76 static struct sensor_pref **sensor_pref_list_new(struct psensor **sensors,
  77                                                  struct config *cfg)
  78 {
  79         int n, i;
  80         struct sensor_pref **pref_list;
  81
  82         n = psensor_list_size(sensors);
  83         pref_list = malloc(sizeof(struct sensor_pref *) * (n+1));
  84
  85         for (i = 0; i < n; i++)
  86                 pref_list[i] = sensor_pref_new(sensors[i],
  87                                                cfg);
  88
  89         pref_list[n] = NULL;
  90
  91         return pref_list;
  92 }
  93
  94 static void sensor_pref_list_free(struct sensor_pref **list)
  95 {
  96         struct sensor_pref **cur = list;
  97
  98         while (*cur) {
  99                 sensor_pref_free(*cur);
 100
 101                 cur++;
 102         }
 103
 104         free(list);
 105 }
 106
 107 static struct sensor_pref *
 108 sensor_pref_get(struct sensor_pref **ps, struct psensor *s)
 109 {
 110         struct sensor_pref **p_cur = ps;
 111
 112         while (*p_cur) {
 113                 struct sensor_pref *p = *p_cur;
 114
 115                 if (p->sensor == s)
 116                         return p;
 117
 118                 p_cur++;
 119         }
 120
 121         return NULL;
 122 }
 123
 124 static struct sensor_pref *
 125 get_selected_sensor_pref(GtkBuilder *builder, struct sensor_pref **ps)
 126 {
 127         GtkTreeModel *model;
 128         GtkTreeIter iter;
 129         struct sensor_pref *pref = NULL;
 130         GtkTreeSelection *selection;
 131         GtkTreeView *tree;
 132
 133         tree = GTK_TREE_VIEW(gtk_builder_get_object(builder,
 134                                      "sensors_list"));
 135
 136         selection = gtk_tree_view_get_selection(tree);
 137
 138         if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 139                 GtkTreePath *p = gtk_tree_model_get_path(model, &iter);
 140                 gint *indices = gtk_tree_path_get_indices(p);
 141
 142                 pref = ps[*indices];
 143
 144                 gtk_tree_path_free(p);
 145         }
 146
 147         return pref;
 148 }
 149
 150 static void on_name_changed(GtkEntry *entry, gpointer data)
 151 {
 152         struct cb_data *cbdata = data;
 153         struct sensor_pref *p;
 154         const char *str;
 155
 156         str = gtk_entry_get_text(entry);
 157
 158         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 159
 160         if (p && strcmp(p->name, str)) {
 161                 free(p->name);
 162                 p->name = strdup(str);
 163         }
 164 }
 165
 166 static void
 167 on_drawed_toggled(GtkToggleButton *btn, gpointer data)
 168 {
 169         struct cb_data *cbdata = data;
 170         struct sensor_pref *p;
 171
 172         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 173
 174         if (p)
 175                 p->enabled = gtk_toggle_button_get_active(btn);
 176 }
 177
 178 static void
 179 on_alarm_toggled(GtkToggleButton *btn, gpointer data)
 180 {
 181         struct cb_data *cbdata = data;
 182         struct sensor_pref *p;
 183
 184         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 185
 186         if (p)
 187                 p->alarm_enabled = gtk_toggle_button_get_active(btn);
 188 }
 189
 190 static void on_color_set(GtkColorButton *widget, gpointer data)
 191 {
 192         struct cb_data *cbdata = data;
 193         struct sensor_pref *p;
 194         GdkColor color;
 195
 196         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 197
 198         if (p) {
 199                 gtk_color_button_get_color(widget, &color);
 200                 color_set(p->color, color.red, color.green, color.blue);
 201         }
 202 }
 203
 204 static void on_temp_limit_changed(GtkSpinButton *btn, gpointer data)
 205 {
 206         struct cb_data *cbdata = data;
 207         struct sensor_pref *p;
 208
 209         p = get_selected_sensor_pref(cbdata->builder, cbdata->prefs);
 210
 211         if (p)
 212                 p->alarm_high_thresold = gtk_spin_button_get_value(btn);
 213 }
 214
 215 static void connect_signals(GtkBuilder *builder, struct cb_data *cbdata)
 216 {
 217         g_signal_connect(gtk_builder_get_object(builder, "sensor_name"),
 218                          "changed", G_CALLBACK(on_name_changed), cbdata);
 219
 220         g_signal_connect(gtk_builder_get_object(builder, "sensor_draw"),
 221                          "toggled", G_CALLBACK(on_drawed_toggled), cbdata);
 222
 223         g_signal_connect(gtk_builder_get_object(builder, "sensor_color"),
 224                          "color-set", G_CALLBACK(on_color_set), cbdata);
 225
 226         g_signal_connect(gtk_builder_get_object(builder, "sensor_alarm"),
 227                          "toggled", G_CALLBACK(on_alarm_toggled), cbdata);
 228
 229         g_signal_connect(gtk_builder_get_object(builder, "sensor_temp_limit"),
 230                          "value-changed", G_CALLBACK(on_temp_limit_changed),
 231                          cbdata);
 232 }
 233
 234 static void
 235 update_pref(struct psensor *s,
 236             struct sensor_pref **prefs,
 237             struct config *cfg,
 238             GtkBuilder *builder)
 239 {
 240         GtkLabel *w_id, *w_type, *w_temp_unit;
 241         GtkEntry *w_name;
 242         GtkToggleButton *w_draw, *w_alarm;
 243         GtkColorButton *w_color;
 244         GtkSpinButton *w_temp_limit;
 245         GdkColor *color;
 246         struct sensor_pref *p = sensor_pref_get(prefs, s);
 247         int use_celcius;
 248
 249         w_id = GTK_LABEL(gtk_builder_get_object(builder, "sensor_id"));
 250         gtk_label_set_text(w_id, s->id);
 251
 252         w_type = GTK_LABEL(gtk_builder_get_object(builder, "sensor_type"));
 253         gtk_label_set_text(w_type, psensor_type_to_str(s->type));
 254
 255         w_name = GTK_ENTRY(gtk_builder_get_object(builder, "sensor_name"));
 256         gtk_entry_set_text(w_name, p->name);
 257
 258         w_draw = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder,
 259                                                           "sensor_draw"));
 260         gtk_toggle_button_set_active(w_draw, p->enabled);
 261
 262         color = color_to_gdkcolor(p->color);
 263         w_color = GTK_COLOR_BUTTON(gtk_builder_get_object(builder,
 264                                                           "sensor_color"));
 265         gtk_color_button_set_color(w_color, color);
 266
 267         w_alarm = GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder,
 268                                                            "sensor_alarm"));
 269         w_temp_limit
 270                 = GTK_SPIN_BUTTON(gtk_builder_get_object(builder,
 271                                                          "sensor_temp_limit"));
 272
 273         w_temp_unit
 274                 = GTK_LABEL(gtk_builder_get_object(builder,
 275                                                    "sensor_temp_unit"));
 276
 277         use_celcius = cfg->temperature_unit == CELCIUS ? 1 : 0;
 278         gtk_label_set_text(w_temp_unit,
 279                            psensor_type_to_unit_str(s->type,
 280                                                     use_celcius));
 281
 282         if (is_temp_type(s->type)) {
 283                 gtk_toggle_button_set_active(w_alarm, p->alarm_enabled);
 284                 gtk_spin_button_set_value(w_temp_limit, p->alarm_high_thresold);
 285                 gtk_widget_set_sensitive(GTK_WIDGET(w_alarm), TRUE);
 286                 gtk_widget_set_sensitive(GTK_WIDGET(w_temp_limit), TRUE);
 287         } else {
 288                 gtk_toggle_button_set_active(w_alarm, 0);
 289                 gtk_spin_button_set_value(w_temp_limit, 0);
 290                 gtk_widget_set_sensitive(GTK_WIDGET(w_alarm), FALSE);
 291                 gtk_widget_set_sensitive(GTK_WIDGET(w_temp_limit), FALSE);
 292         }
 293 }
 294
 295 static void on_changed(GtkTreeSelection *selection, gpointer data)
 296 {
 297         GtkTreeModel *model;
 298         GtkTreeIter iter;
 299         struct cb_data *cbdata = data;
 300         struct ui_psensor *ui = cbdata->ui;
 301
 302         if (gtk_tree_selection_get_selected(selection, &model, &iter)) {
 303                 GtkTreePath *p = gtk_tree_model_get_path(model, &iter);
 304                 gint *indices = gtk_tree_path_get_indices(p);
 305                 struct psensor *s = *(ui->sensors + *indices);
 306
 307                 update_pref(s,
 308                             cbdata->prefs,
 309                             ui->config,
 310                             cbdata->builder);
 311
 312                 gtk_tree_path_free(p);
 313         }
 314 }
 315
 316 static void
 317 select_sensor(struct psensor *s, struct psensor **sensors, GtkTreeView *tree)
 318 {
 319         struct psensor **s_cur = sensors;
 320         int i = 0;
 321         GtkTreePath *p = NULL;
 322
 323         while (*s_cur) {
 324                 if (s == *s_cur) {
 325                         p = gtk_tree_path_new_from_indices(i, -1);
 326                         break;
 327                 }
 328
 329                 i++;
 330                 s_cur++;
 331         }
 332
 333         if (p) {
 334                 GtkTreeSelection *s = gtk_tree_view_get_selection(tree);
 335
 336                 gtk_tree_selection_select_path(s, p);
 337                 gtk_tree_path_free(p);
 338         }
 339 }
 340
 341 static void
 342 apply_prefs(struct sensor_pref **prefs,
 343             struct psensor **sensors,
 344             struct config *cfg)
 345 {
 346         int n = psensor_list_size(sensors);
 347         int i;
 348
 349         for (i = 0; i < n; i++) {
 350                 struct psensor *s = sensors[i];
 351                 struct sensor_pref *p = prefs[i];
 352
 353                 if (strcmp(p->name, s->name)) {
 354                         free(s->name);
 355                         s->name = strdup(p->name);
 356                         config_set_sensor_name(s->id, s->name);
 357                 }
 358
 359                 if (s->enabled != p->enabled) {
 360                         s->enabled = p->enabled;
 361                         config_set_sensor_enabled(s->id, s->enabled);
 362                 }
 363
 364                 if (cfg->temperature_unit == CELCIUS)
 365                         s->alarm_high_thresold = p->alarm_high_thresold;
 366                 else
 367                         s->alarm_high_thresold = fahrenheit_to_celcius
 368                                 (p->alarm_high_thresold);
 369
 370                 config_set_sensor_alarm_high_thresold(s->id,
 371                                                       s->alarm_high_thresold);
 372
 373                 if (s->alarm_enabled != p->alarm_enabled) {
 374                         s->alarm_enabled = p->alarm_enabled;
 375                         config_set_sensor_alarm_enabled(s->id,
 376                                                         s->alarm_enabled);
 377                 }
 378
 379                 color_set(s->color,
 380                           p->color->red, p->color->green, p->color->blue);
 381                 config_set_sensor_color(s->id, s->color);
 382         }
 383 }
 384
 385 void ui_sensorpref_dialog_run(struct psensor *sensor, struct ui_psensor *ui)
 386 {
 387         GtkDialog *diag;
 388         gint result;
 389         GtkBuilder *builder;
 390         GError *error = NULL;
 391         GtkTreeView *w_sensors_list;
 392         guint ok;
 393         GtkCellRenderer *renderer;
 394         GtkListStore *store;
 395         struct psensor **s_cur;
 396         GtkTreeSelection *selection;
 397         struct cb_data cbdata;
 398
 399         cbdata.ui = ui;
 400         cbdata.prefs = sensor_pref_list_new(ui->sensors,
 401                                             ui->config);
 402
 403         builder = gtk_builder_new();
 404         cbdata.builder = builder;
 405
 406         ok = gtk_builder_add_from_file
 407                 (builder,
 408                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "sensor-edit.glade",
 409                  &error);
 410
 411         if (!ok) {
 412                 log_printf(LOG_ERR, error->message);
 413                 g_error_free(error);
 414                 return ;
 415         }
 416
 417         update_pref(sensor, cbdata.prefs, ui->config, builder);
 418         connect_signals(builder, &cbdata);
 419
 420         w_sensors_list
 421                 = GTK_TREE_VIEW(gtk_builder_get_object(builder,
 422                                                        "sensors_list"));
 423
 424         renderer = gtk_cell_renderer_text_new();
 425         gtk_tree_view_insert_column_with_attributes(w_sensors_list,
 426                                                     -1,
 427                                                     _("Sensor Name"),
 428                                                     renderer,
 429                                                     "text", 0, NULL);
 430
 431         store = GTK_LIST_STORE(gtk_tree_view_get_model(w_sensors_list));
 432
 433         s_cur = ui->sensors;
 434         while (*s_cur) {
 435                 GtkTreeIter iter;
 436                 struct psensor *s = *s_cur;
 437
 438                 gtk_list_store_append(store, &iter);
 439                 gtk_list_store_set(store, &iter, 0, s->name, -1);
 440
 441                 s_cur++;
 442         }
 443
 444         selection = gtk_tree_view_get_selection(w_sensors_list);
 445         g_signal_connect(selection, "changed", G_CALLBACK(on_changed), &cbdata);
 446         select_sensor(sensor, ui->sensors, w_sensors_list);
 447
 448         diag = GTK_DIALOG(gtk_builder_get_object(builder, "dialog1"));
 449         result = gtk_dialog_run(diag);
 450
 451         if (result == GTK_RESPONSE_ACCEPT) {
 452                 apply_prefs(cbdata.prefs, ui->sensors, ui->config);
 453                 ui_sensorlist_update_sensors_preferences(ui);
 454         }
 455
 456         g_object_unref(G_OBJECT(builder));
 457
 458         gtk_widget_destroy(GTK_WIDGET(diag));
 459
 460         sensor_pref_list_free(cbdata.prefs);
 461 }