src/ui.c

   1 /*
   2  * Copyright (C) 2010-2014 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_PANED(gtk_paned_new(GTK_ORIENTATION_HORIZONTAL));
  55         else
  56                 w_sensor_box
  57                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_VERTICAL));
  58
  59         gtk_box_pack_end(GTK_BOX(w_main_box),
  60                          GTK_WIDGET(w_sensor_box), TRUE, TRUE, 2);
  61
  62         if (sensorlist_pos == SENSORLIST_POSITION_RIGHT
  63             || sensorlist_pos == SENSORLIST_POSITION_BOTTOM) {
  64                 gtk_paned_pack1(w_sensor_box, w_graph, TRUE, TRUE);
  65                 gtk_paned_pack2(w_sensor_box,
  66                                 w_sensors_scrolled_tree,
  67                                 FALSE,
  68                                 TRUE);
  69         } else {
  70                 gtk_paned_pack1(w_sensor_box,
  71                                 w_sensors_scrolled_tree,
  72                                 FALSE,
  73                                 TRUE);
  74                 gtk_paned_pack2(w_sensor_box, w_graph, TRUE, TRUE);
  75         }
  76
  77         g_object_unref(w_sensors_scrolled_tree);
  78         g_object_unref(w_graph);
  79
  80         gtk_widget_show_all(GTK_WIDGET(w_sensor_box));
  81 }
  82
  83 static void set_decoration(GtkWindow *win)
  84 {
  85         gtk_window_set_decorated(win, config_is_window_decoration_enabled());
  86 }
  87
  88 static void set_keep_below(GtkWindow *win)
  89 {
  90         gtk_window_set_keep_below(win, config_is_window_keep_below_enabled());
  91 }
  92
  93 static void set_menu_bar_enabled(GtkWidget *bar)
  94 {
  95         if (config_is_menu_bar_enabled())
  96                 gtk_widget_show(bar);
  97         else
  98                 gtk_widget_hide(bar);
  99 }
 100
 101 static void
 102 decoration_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 103 {
 104         set_decoration(GTK_WINDOW(data));
 105 }
 106
 107 static void
 108 keep_below_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 109 {
 110         set_keep_below(GTK_WINDOW(data));
 111 }
 112
 113 static void
 114 menu_bar_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 115 {
 116         set_menu_bar_enabled(GTK_WIDGET(data));
 117 }
 118
 119 static void
 120 sensorlist_position_changed_cbk(GSettings *settings, gchar *key, gpointer data)
 121 {
 122         update_layout();
 123 }
 124
 125 static void connect_cbks(GtkWindow *win, GtkWidget *menu_bar)
 126 {
 127         log_fct_enter();
 128
 129         g_signal_connect_after(config_get_GSettings(),
 130                                "changed::interface-window-decoration-disabled",
 131                                G_CALLBACK(decoration_changed_cbk),
 132                                win);
 133
 134         g_signal_connect_after(config_get_GSettings(),
 135                                "changed::interface-window-keep-below-enabled",
 136                                G_CALLBACK(keep_below_changed_cbk),
 137                                win);
 138
 139         g_signal_connect_after(config_get_GSettings(),
 140                                "changed::interface-menu-bar-disabled",
 141                                G_CALLBACK(menu_bar_changed_cbk),
 142                                menu_bar);
 143
 144         g_signal_connect_after(config_get_GSettings(),
 145                                "changed::interface-sensorlist-position",
 146                                G_CALLBACK(sensorlist_position_changed_cbk),
 147                                menu_bar);
 148
 149
 150         log_fct_exit();
 151 }
 152
 153 static void save_window_pos(struct ui_psensor *ui)
 154 {
 155         gboolean visible;
 156         GtkWindow *win;
 157         struct config *cfg;
 158
 159         visible = gtk_widget_get_visible(ui->main_window);
 160         log_debug("Window visible: %d", visible);
 161
 162         if (visible == TRUE) {
 163                 cfg = ui->config;
 164
 165                 win = GTK_WINDOW(ui->main_window);
 166
 167                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
 168                 log_debug("Window position: %d %d",
 169                           cfg->window_x,
 170                           cfg->window_y);
 171
 172                 gtk_window_get_size(win,
 173                                     &cfg->window_w,
 174                                     &cfg->window_h);
 175                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
 176
 177                 cfg->window_divider_pos
 178                         = gtk_paned_get_position(GTK_PANED(w_sensor_box));
 179
 180                 config_save(cfg);
 181         }
 182 }
 183
 184 static gboolean
 185 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
 186 {
 187         struct ui_psensor *ui = data;
 188
 189         save_window_pos(ui);
 190
 191         log_debug("is_status_supported: %d\n", is_status_supported());
 192
 193         if (is_appindicator_supported() || is_status_supported())
 194                 gtk_widget_hide(ui->main_window);
 195         else
 196                 ui_psensor_quit(ui);
 197
 198         return TRUE;
 199 }
 200
 201 void ui_show_about_dialog(void)
 202 {
 203         static const char *const authors[] = { "jeanfi@gmail.com", NULL };
 204
 205         gtk_show_about_dialog
 206                 (NULL,
 207                  "authors", authors,
 208                  "comments",
 209                  _("Psensor is a GTK+ application for monitoring hardware "
 210                    "sensors"),
 211                  "copyright",
 212                  _("Copyright(c) 2010-2014 jeanfi@gmail.com"),
 213 #if GTK_CHECK_VERSION(3, 12, 0)
 214                  "license-type", GTK_LICENSE_GPL_2_0,
 215 #endif
 216                  "logo-icon-name", "psensor",
 217                  "program-name", "Psensor",
 218                  "title", _("About Psensor"),
 219                  "translator-credits", _("translator-credits"),
 220                  "version", VERSION,
 221                  "website", PACKAGE_URL,
 222                  "website-label", _("Psensor Homepage"),
 223                  NULL);
 224 }
 225
 226 void ui_cb_about(GtkMenuItem *mi, gpointer data)
 227 {
 228         ui_show_about_dialog();
 229 }
 230
 231 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 232 {
 233         ui_psensor_quit((struct ui_psensor *)data);
 234 }
 235
 236 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 237 {
 238         ui_pref_dialog_run((struct ui_psensor *)data);
 239 }
 240
 241 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 242 {
 243         struct ui_psensor *ui = data;
 244
 245         if (ui->sensors && *ui->sensors)
 246                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 247 }
 248
 249 void ui_psensor_quit(struct ui_psensor *ui)
 250 {
 251         save_window_pos(ui);
 252
 253         log_debug("Destroy main window");
 254         gtk_widget_destroy(ui->main_window);
 255         gtk_main_quit();
 256 }
 257
 258 void ui_enable_alpha_channel(struct ui_psensor *ui)
 259 {
 260         GdkScreen *screen;
 261         GdkVisual *visual;
 262         struct config *cfg;
 263
 264         cfg = ui->config;
 265
 266         screen = gtk_widget_get_screen(ui->main_window);
 267
 268         log_debug("Config alpha channel enabled: %d",
 269                   cfg->alpha_channel_enabled);
 270         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 271                 log_debug("Screen is composited");
 272                 visual = gdk_screen_get_rgba_visual(screen);
 273                 if (visual) {
 274                         gtk_widget_set_visual(ui->main_window, visual);
 275                 } else {
 276                         cfg->alpha_channel_enabled = 0;
 277                         log_err("Enable alpha channel has failed");
 278                 }
 279         } else {
 280                 cfg->alpha_channel_enabled = 0;
 281         }
 282 }
 283
 284 static void slog_enabled_cbk(void *data)
 285 {
 286         struct ui_psensor *ui;
 287         struct psensor **sensors;
 288         pthread_mutex_t *mutex;
 289
 290         ui = (struct ui_psensor *)data;
 291         sensors = ui->sensors;
 292         mutex = &ui->sensors_mutex;
 293
 294         log_debug("slog_enabled_cbk");
 295
 296         if (is_slog_enabled())
 297                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 298         else
 299                 slog_close();
 300 }
 301
 302 void ui_window_create(struct ui_psensor *ui)
 303 {
 304         GtkWidget *window, *menu_bar;
 305         GdkPixbuf *icon;
 306         GtkIconTheme *icon_theme;
 307         struct config *cfg;
 308         guint ok;
 309         GtkBuilder *builder;
 310         GError *error;
 311
 312         builder = gtk_builder_new();
 313
 314         error = NULL;
 315         ok = gtk_builder_add_from_file
 316                 (builder,
 317                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 318                  &error);
 319
 320         if (!ok) {
 321                 log_printf(LOG_ERR, error->message);
 322                 g_error_free(error);
 323                 return;
 324         }
 325
 326         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 327         gtk_builder_connect_signals(builder, ui);
 328         cfg = ui->config;
 329         if (cfg->window_restore_enabled)
 330                 gtk_window_move(GTK_WINDOW(window),
 331                                 cfg->window_x,
 332                                 cfg->window_y);
 333
 334         config_set_slog_enabled_changed_cbk(slog_enabled_cbk, ui);
 335
 336         gtk_window_set_default_size(GTK_WINDOW(window),
 337                                     cfg->window_w,
 338                                     cfg->window_h);
 339
 340         icon_theme = gtk_icon_theme_get_default();
 341         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 342         if (icon)
 343                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 344         else
 345                 log_err(_("Failed to load Psensor icon."));
 346
 347         g_signal_connect(window,
 348                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 349
 350         set_decoration(GTK_WINDOW(window));
 351         set_keep_below(GTK_WINDOW(window));
 352
 353         menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 354         w_main_box = GTK_CONTAINER(gtk_builder_get_object(builder, "main_box"));
 355         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 356                                                            "popup_menu"));
 357         g_object_ref(G_OBJECT(ui->popup_menu));
 358         ui->main_window = window;
 359         w_graph = GTK_WIDGET(gtk_builder_get_object(builder, "graph"));
 360         ui_graph_create(ui);
 361
 362         w_sensor_box = GTK_PANED(gtk_builder_get_object(builder,
 363                                                         "sensor_box"));
 364         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 365                                            (builder, "sensors_store"));
 366         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 367                                          (builder, "sensors_tree"));
 368         w_sensors_scrolled_tree
 369                 = GTK_SCROLLED_WINDOW(gtk_builder_get_object
 370                                       (builder, "sensors_scrolled_tree"));
 371
 372         ui_sensorlist_create(ui);
 373
 374         connect_cbks(GTK_WINDOW(window), menu_bar);
 375
 376         log_debug("ui_window_create(): show_all");
 377         update_layout();
 378         gtk_widget_show_all(GTK_WIDGET(w_main_box));
 379         set_menu_bar_enabled(menu_bar);
 380
 381         g_object_unref(G_OBJECT(builder));
 382
 383         log_debug("ui_window_create() ends");
 384 }
 385
 386 void ui_window_update(struct ui_psensor *ui)
 387 {
 388         struct config *cfg;
 389         enum sensorlist_position sensorlist_pos;
 390
 391         log_debug("ui_window_update()");
 392
 393         cfg = ui->config;
 394
 395         if (cfg->window_restore_enabled)
 396                 gtk_paned_set_position(w_sensor_box, cfg->window_divider_pos);
 397
 398 }
 399
 400 void ui_window_show(struct ui_psensor *ui)
 401 {
 402         log_debug("ui_window_show()");
 403         ui_window_update(ui);
 404         gtk_window_present(GTK_WINDOW(ui->main_window));
 405 }
 406
 407 static int cmp_sensors(const void *p1, const void *p2)
 408 {
 409         const struct psensor *s1, *s2;
 410         int pos1, pos2;
 411
 412         s1 = *(void **)p1;
 413         s2 = *(void **)p2;
 414
 415         pos1 = config_get_sensor_position(s1->id);
 416         pos2 = config_get_sensor_position(s2->id);
 417
 418         return pos1 - pos2;
 419 }
 420
 421 struct psensor **ui_get_sensors_ordered_by_position(struct psensor **sensors)
 422 {
 423         struct psensor **result;
 424
 425         result = psensor_list_copy(sensors);
 426         qsort(result,
 427               psensor_list_size(result),
 428               sizeof(struct psensor *),
 429               cmp_sensors);
 430
 431         return result;
 432 }
 433
 434 GtkWidget *ui_get_graph(void)
 435 {
 436         return w_graph;
 437 }