src/ui.c

   1 /*
   2  * Copyright (C) 2010-2016 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 <cfg.h>
  22 #include <slog.h>
  23 #include <ui.h>
  24 #include <ui_appindicator.h>
  25 #include <ui_graph.h>
  26 #include <ui_pref.h>
  27 #include <ui_sensorlist.h>
  28 #include <ui_sensorpref.h>
  29 #include <ui_status.h>
  30
  31 static GtkWidget *w_sensors_scrolled_tree;
  32 static GtkWidget *w_graph;
  33 static GtkContainer *w_sensor_box;
  34 static GtkContainer *w_main_box;
  35
  36 static void update_layout(void)
  37 {
  38         enum sensorlist_position sensorlist_pos;
  39
  40         g_object_ref(w_sensors_scrolled_tree);
  41         g_object_ref(w_graph);
  42
  43         gtk_container_remove(w_sensor_box,
  44                              w_sensors_scrolled_tree);
  45
  46         gtk_container_remove(w_sensor_box, w_graph);
  47
  48         gtk_container_remove(w_main_box, GTK_WIDGET(w_sensor_box));
  49
  50         sensorlist_pos = config_get_sensorlist_position();
  51         if (sensorlist_pos == SENSORLIST_POSITION_RIGHT
  52             || sensorlist_pos == SENSORLIST_POSITION_LEFT)
  53                 w_sensor_box
  54                         = GTK_CONTAINER(gtk_paned_new
  55                                         (GTK_ORIENTATION_HORIZONTAL));
  56         else
  57                 w_sensor_box
  58                         = GTK_CONTAINER(gtk_paned_new
  59                                         (GTK_ORIENTATION_VERTICAL));
  60
  61         gtk_box_pack_end(GTK_BOX(w_main_box),
  62                          GTK_WIDGET(w_sensor_box), TRUE, TRUE, 2);
  63
  64         if (sensorlist_pos == SENSORLIST_POSITION_RIGHT
  65             || sensorlist_pos == SENSORLIST_POSITION_BOTTOM) {
  66                 gtk_paned_pack1(GTK_PANED(w_sensor_box), w_graph, TRUE, TRUE);
  67                 gtk_paned_pack2(GTK_PANED(w_sensor_box),
  68                                 w_sensors_scrolled_tree,
  69                                 FALSE,
  70                                 TRUE);
  71         } else {
  72                 gtk_paned_pack1(GTK_PANED(w_sensor_box),
  73                                 w_sensors_scrolled_tree,
  74                                 FALSE,
  75                                 TRUE);
  76                 gtk_paned_pack2(GTK_PANED(w_sensor_box), w_graph, TRUE, TRUE);
  77         }
  78
  79         g_object_unref(w_sensors_scrolled_tree);
  80         g_object_unref(w_graph);
  81
  82         gtk_widget_show_all(GTK_WIDGET(w_sensor_box));
  83 }
  84
  85 static void set_decoration(GtkWindow *win)
  86 {
  87         gtk_window_set_decorated(win, config_is_window_decoration_enabled());
  88 }
  89
  90 static void set_keep_below(GtkWindow *win)
  91 {
  92         gtk_window_set_keep_below(win, config_is_window_keep_below_enabled());
  93 }
  94
  95 static void set_menu_bar_enabled(GtkWidget *bar)
  96 {
  97         if (config_is_menu_bar_enabled())
  98                 gtk_widget_show(bar);
  99         else
 100                 gtk_widget_hide(bar);
 101 }
 102
 103 static void
 104 decoration_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 105 {
 106         set_decoration(GTK_WINDOW(data));
 107 }
 108
 109 static void
 110 keep_below_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 111 {
 112         set_keep_below(GTK_WINDOW(data));
 113 }
 114
 115 static void
 116 menu_bar_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 117 {
 118         set_menu_bar_enabled(GTK_WIDGET(data));
 119 }
 120
 121 static void
 122 sensorlist_position_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 123 {
 124         update_layout();
 125 }
 126
 127 static void connect_cbks(GtkWindow *win, GtkWidget *menu_bar)
 128 {
 129         log_fct_enter();
 130
 131         g_signal_connect_after(config_get_GSettings(),
 132                                "changed::interface-window-decoration-disabled",
 133                                G_CALLBACK(decoration_changed_cbk),
 134                                win);
 135
 136         g_signal_connect_after(config_get_GSettings(),
 137                                "changed::interface-window-keep-below-enabled",
 138                                G_CALLBACK(keep_below_changed_cbk),
 139                                win);
 140
 141         g_signal_connect_after(config_get_GSettings(),
 142                                "changed::interface-menu-bar-disabled",
 143                                G_CALLBACK(menu_bar_changed_cbk),
 144                                menu_bar);
 145
 146         g_signal_connect_after(config_get_GSettings(),
 147                                "changed::interface-sensorlist-position",
 148                                G_CALLBACK(sensorlist_position_changed_cbk),
 149                                menu_bar);
 150
 151
 152         log_fct_exit();
 153 }
 154
 155 static void save_window_pos(struct ui_psensor *ui)
 156 {
 157         gboolean visible;
 158         GtkWindow *win;
 159         struct config *cfg;
 160
 161         visible = gtk_widget_get_visible(ui->main_window);
 162         log_debug("Window visible: %d", visible);
 163
 164         if (visible == TRUE) {
 165                 cfg = ui->config;
 166
 167                 win = GTK_WINDOW(ui->main_window);
 168
 169                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
 170                 log_debug("Window position: %d %d",
 171                           cfg->window_x,
 172                           cfg->window_y);
 173
 174                 gtk_window_get_size(win,
 175                                     &cfg->window_w,
 176                                     &cfg->window_h);
 177                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
 178
 179                 cfg->window_divider_pos
 180                         = gtk_paned_get_position(GTK_PANED(w_sensor_box));
 181
 182                 config_save(cfg);
 183         }
 184 }
 185
 186 static gboolean
 187 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
 188 {
 189         struct ui_psensor *ui = data;
 190
 191         save_window_pos(ui);
 192
 193         log_debug("is_status_supported: %d\n", is_status_supported());
 194
 195         if (is_appindicator_supported() || is_status_supported())
 196                 gtk_widget_hide(ui->main_window);
 197         else
 198                 ui_psensor_quit(ui);
 199
 200         return TRUE;
 201 }
 202
 203 void ui_show_about_dialog(GtkWindow *parent)
 204 {
 205         static const char *const authors[] = { "jeanfi@gmail.com", NULL };
 206
 207         log_fct("parent=%p", parent);
 208
 209         gtk_show_about_dialog
 210                 (parent,
 211                  "authors", authors,
 212                  "comments",
 213                  _("Psensor is a GTK+ application for monitoring hardware "
 214                    "sensors"),
 215                  "copyright",
 216                  _("Copyright(c) 2010-2016 jeanfi@gmail.com"),
 217 #if GTK_CHECK_VERSION(3, 12, 0)
 218                  "license-type", GTK_LICENSE_GPL_2_0,
 219 #endif
 220                  "logo-icon-name", "psensor",
 221                  "program-name", "Psensor",
 222                  "title", _("About Psensor"),
 223                  "translator-credits", _("translator-credits"),
 224                  "version", VERSION,
 225                  "website", PACKAGE_URL,
 226                  "website-label", _("Psensor Homepage"),
 227                  NULL);
 228 }
 229
 230 void ui_cb_about(GtkAction *a, gpointer data)
 231 {
 232         struct ui_psensor *ui;
 233         GtkWidget *parent;
 234
 235         ui = (struct ui_psensor *)data;
 236
 237         log_fct("ui=%p", ui);
 238
 239         if (ui)
 240                 parent = ui->main_window;
 241         else
 242                 parent = NULL;
 243
 244         ui_show_about_dialog(GTK_WINDOW(parent));
 245 }
 246
 247 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 248 {
 249         ui_psensor_quit((struct ui_psensor *)data);
 250 }
 251
 252 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 253 {
 254         ui_pref_dialog_run((struct ui_psensor *)data);
 255 }
 256
 257 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 258 {
 259         struct ui_psensor *ui = data;
 260
 261         if (ui->sensors && *ui->sensors)
 262                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 263 }
 264
 265 void ui_psensor_quit(struct ui_psensor *ui)
 266 {
 267         save_window_pos(ui);
 268
 269         log_debug("Destroy main window");
 270         gtk_widget_destroy(ui->main_window);
 271         gtk_main_quit();
 272 }
 273
 274 void ui_enable_alpha_channel(struct ui_psensor *ui)
 275 {
 276         GdkScreen *screen;
 277         GdkVisual *visual;
 278         struct config *cfg;
 279
 280         cfg = ui->config;
 281
 282         screen = gtk_widget_get_screen(ui->main_window);
 283
 284         log_debug("Config alpha channel enabled: %d",
 285                   cfg->alpha_channel_enabled);
 286         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 287                 log_debug("Screen is composited");
 288                 visual = gdk_screen_get_rgba_visual(screen);
 289                 if (visual) {
 290                         gtk_widget_set_visual(ui->main_window, visual);
 291                 } else {
 292                         cfg->alpha_channel_enabled = 0;
 293                         log_err("Enable alpha channel has failed");
 294                 }
 295         } else {
 296                 cfg->alpha_channel_enabled = 0;
 297         }
 298 }
 299
 300 static void slog_enabled_cbk(void *data)
 301 {
 302         struct ui_psensor *ui;
 303         struct psensor **sensors;
 304         pthread_mutex_t *mutex;
 305
 306         ui = (struct ui_psensor *)data;
 307         sensors = ui->sensors;
 308         mutex = &ui->sensors_mutex;
 309
 310         log_debug("slog_enabled_cbk");
 311
 312         if (is_slog_enabled())
 313                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 314         else
 315                 slog_close();
 316 }
 317
 318 void ui_window_create(struct ui_psensor *ui)
 319 {
 320         GtkWidget *window, *menu_bar;
 321         GdkPixbuf *icon;
 322         GtkIconTheme *icon_theme;
 323         struct config *cfg;
 324         guint ok;
 325         GtkBuilder *builder;
 326         GError *error;
 327
 328         log_fct("ui=%p", ui);
 329
 330         builder = gtk_builder_new();
 331
 332         error = NULL;
 333         ok = gtk_builder_add_from_file
 334                 (builder,
 335                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 336                  &error);
 337
 338         if (!ok) {
 339                 log_printf(LOG_ERR, error->message);
 340                 g_error_free(error);
 341                 return;
 342         }
 343
 344         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 345         gtk_builder_connect_signals(builder, ui);
 346         cfg = ui->config;
 347         if (cfg->window_restore_enabled)
 348                 gtk_window_move(GTK_WINDOW(window),
 349                                 cfg->window_x,
 350                                 cfg->window_y);
 351
 352         config_set_slog_enabled_changed_cbk(slog_enabled_cbk, ui);
 353
 354         gtk_window_set_default_size(GTK_WINDOW(window),
 355                                     cfg->window_w,
 356                                     cfg->window_h);
 357
 358         icon_theme = gtk_icon_theme_get_default();
 359         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 360         if (icon)
 361                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 362         else
 363                 log_err(_("Failed to load Psensor icon."));
 364
 365         g_signal_connect(window,
 366                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 367
 368         set_decoration(GTK_WINDOW(window));
 369         set_keep_below(GTK_WINDOW(window));
 370
 371         menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 372         w_main_box = GTK_CONTAINER(gtk_builder_get_object(builder, "main_box"));
 373         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 374                                                            "popup_menu"));
 375         g_object_ref(G_OBJECT(ui->popup_menu));
 376         ui->main_window = window;
 377         w_graph = GTK_WIDGET(gtk_builder_get_object(builder, "graph"));
 378         ui_graph_create(ui);
 379
 380         w_sensor_box = GTK_CONTAINER(gtk_builder_get_object(builder,
 381                                                             "sensor_box"));
 382         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 383                                            (builder, "sensors_store"));
 384         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 385                                          (builder, "sensors_tree"));
 386         w_sensors_scrolled_tree
 387                 = GTK_WIDGET(gtk_builder_get_object
 388                              (builder, "sensors_scrolled_tree"));
 389
 390         ui_sensorlist_create(ui);
 391
 392         connect_cbks(GTK_WINDOW(window), menu_bar);
 393
 394         log_debug("ui_window_create(): show_all");
 395         update_layout();
 396         gtk_widget_show_all(GTK_WIDGET(w_main_box));
 397         set_menu_bar_enabled(menu_bar);
 398
 399         g_object_unref(G_OBJECT(builder));
 400
 401         log_debug("ui_window_create() ends");
 402 }
 403
 404 void ui_window_update(struct ui_psensor *ui)
 405 {
 406         struct config *cfg;
 407
 408         log_debug("ui_window_update()");
 409
 410         cfg = ui->config;
 411
 412         if (cfg->window_restore_enabled)
 413                 gtk_paned_set_position(GTK_PANED(w_sensor_box),
 414                                        cfg->window_divider_pos);
 415
 416 }
 417
 418 void ui_window_show(struct ui_psensor *ui)
 419 {
 420         log_debug("ui_window_show()");
 421         ui_window_update(ui);
 422         gtk_window_present(GTK_WINDOW(ui->main_window));
 423 }
 424
 425 static int cmp_sensors(const void *p1, const void *p2)
 426 {
 427         const struct psensor *s1, *s2;
 428         int pos1, pos2;
 429
 430         s1 = *(void **)p1;
 431         s2 = *(void **)p2;
 432
 433         pos1 = config_get_sensor_position(s1->id);
 434         pos2 = config_get_sensor_position(s2->id);
 435
 436         return pos1 - pos2;
 437 }
 438
 439 struct psensor **ui_get_sensors_ordered_by_position(struct psensor **sensors)
 440 {
 441         struct psensor **result;
 442
 443         result = psensor_list_copy(sensors);
 444         qsort(result,
 445               psensor_list_size(result),
 446               sizeof(struct psensor *),
 447               cmp_sensors);
 448
 449         return result;
 450 }
 451
 452 GtkWidget *ui_get_graph(void)
 453 {
 454         return w_graph;
 455 }