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_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(GtkWidget *parent)
 202 {
 203         static const char *const authors[] = { "jeanfi@gmail.com", NULL };
 204
 205         log_fct("parent=%p", parent);
 206
 207         gtk_show_about_dialog
 208                 (parent,
 209                  "authors", authors,
 210                  "comments",
 211                  _("Psensor is a GTK+ application for monitoring hardware "
 212                    "sensors"),
 213                  "copyright",
 214                  _("Copyright(c) 2010-2016 jeanfi@gmail.com"),
 215 #if GTK_CHECK_VERSION(3, 12, 0)
 216                  "license-type", GTK_LICENSE_GPL_2_0,
 217 #endif
 218                  "logo-icon-name", "psensor",
 219                  "program-name", "Psensor",
 220                  "title", _("About Psensor"),
 221                  "translator-credits", _("translator-credits"),
 222                  "version", VERSION,
 223                  "website", PACKAGE_URL,
 224                  "website-label", _("Psensor Homepage"),
 225                  NULL);
 226 }
 227
 228 void ui_cb_about(GtkAction *a, gpointer data)
 229 {
 230         struct ui_psensor *ui;
 231         GtkWidget *parent;
 232
 233         ui = (struct ui_psensor *)data;
 234
 235         log_fct("ui=%p", ui);
 236
 237         if (ui)
 238                 parent = ui->main_window;
 239         else
 240                 parent = NULL;
 241
 242         ui_show_about_dialog(parent);
 243 }
 244
 245 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 246 {
 247         ui_psensor_quit((struct ui_psensor *)data);
 248 }
 249
 250 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 251 {
 252         ui_pref_dialog_run((struct ui_psensor *)data);
 253 }
 254
 255 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 256 {
 257         struct ui_psensor *ui = data;
 258
 259         if (ui->sensors && *ui->sensors)
 260                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 261 }
 262
 263 void ui_psensor_quit(struct ui_psensor *ui)
 264 {
 265         save_window_pos(ui);
 266
 267         log_debug("Destroy main window");
 268         gtk_widget_destroy(ui->main_window);
 269         gtk_main_quit();
 270 }
 271
 272 void ui_enable_alpha_channel(struct ui_psensor *ui)
 273 {
 274         GdkScreen *screen;
 275         GdkVisual *visual;
 276         struct config *cfg;
 277
 278         cfg = ui->config;
 279
 280         screen = gtk_widget_get_screen(ui->main_window);
 281
 282         log_debug("Config alpha channel enabled: %d",
 283                   cfg->alpha_channel_enabled);
 284         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 285                 log_debug("Screen is composited");
 286                 visual = gdk_screen_get_rgba_visual(screen);
 287                 if (visual) {
 288                         gtk_widget_set_visual(ui->main_window, visual);
 289                 } else {
 290                         cfg->alpha_channel_enabled = 0;
 291                         log_err("Enable alpha channel has failed");
 292                 }
 293         } else {
 294                 cfg->alpha_channel_enabled = 0;
 295         }
 296 }
 297
 298 static void slog_enabled_cbk(void *data)
 299 {
 300         struct ui_psensor *ui;
 301         struct psensor **sensors;
 302         pthread_mutex_t *mutex;
 303
 304         ui = (struct ui_psensor *)data;
 305         sensors = ui->sensors;
 306         mutex = &ui->sensors_mutex;
 307
 308         log_debug("slog_enabled_cbk");
 309
 310         if (is_slog_enabled())
 311                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 312         else
 313                 slog_close();
 314 }
 315
 316 void ui_window_create(struct ui_psensor *ui)
 317 {
 318         GtkWidget *window, *menu_bar;
 319         GdkPixbuf *icon;
 320         GtkIconTheme *icon_theme;
 321         struct config *cfg;
 322         guint ok;
 323         GtkBuilder *builder;
 324         GError *error;
 325
 326         log_fct("ui=%p", ui);
 327
 328         builder = gtk_builder_new();
 329
 330         error = NULL;
 331         ok = gtk_builder_add_from_file
 332                 (builder,
 333                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 334                  &error);
 335
 336         if (!ok) {
 337                 log_printf(LOG_ERR, error->message);
 338                 g_error_free(error);
 339                 return;
 340         }
 341
 342         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 343         gtk_builder_connect_signals(builder, ui);
 344         cfg = ui->config;
 345         if (cfg->window_restore_enabled)
 346                 gtk_window_move(GTK_WINDOW(window),
 347                                 cfg->window_x,
 348                                 cfg->window_y);
 349
 350         config_set_slog_enabled_changed_cbk(slog_enabled_cbk, ui);
 351
 352         gtk_window_set_default_size(GTK_WINDOW(window),
 353                                     cfg->window_w,
 354                                     cfg->window_h);
 355
 356         icon_theme = gtk_icon_theme_get_default();
 357         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 358         if (icon)
 359                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 360         else
 361                 log_err(_("Failed to load Psensor icon."));
 362
 363         g_signal_connect(window,
 364                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 365
 366         set_decoration(GTK_WINDOW(window));
 367         set_keep_below(GTK_WINDOW(window));
 368
 369         menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 370         w_main_box = GTK_CONTAINER(gtk_builder_get_object(builder, "main_box"));
 371         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 372                                                            "popup_menu"));
 373         g_object_ref(G_OBJECT(ui->popup_menu));
 374         ui->main_window = window;
 375         w_graph = GTK_WIDGET(gtk_builder_get_object(builder, "graph"));
 376         ui_graph_create(ui);
 377
 378         w_sensor_box = GTK_PANED(gtk_builder_get_object(builder,
 379                                                         "sensor_box"));
 380         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 381                                            (builder, "sensors_store"));
 382         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 383                                          (builder, "sensors_tree"));
 384         w_sensors_scrolled_tree
 385                 = GTK_SCROLLED_WINDOW(gtk_builder_get_object
 386                                       (builder, "sensors_scrolled_tree"));
 387
 388         ui_sensorlist_create(ui);
 389
 390         connect_cbks(GTK_WINDOW(window), menu_bar);
 391
 392         log_debug("ui_window_create(): show_all");
 393         update_layout();
 394         gtk_widget_show_all(GTK_WIDGET(w_main_box));
 395         set_menu_bar_enabled(menu_bar);
 396
 397         g_object_unref(G_OBJECT(builder));
 398
 399         log_debug("ui_window_create() ends");
 400 }
 401
 402 void ui_window_update(struct ui_psensor *ui)
 403 {
 404         struct config *cfg;
 405         enum sensorlist_position sensorlist_pos;
 406
 407         log_debug("ui_window_update()");
 408
 409         cfg = ui->config;
 410
 411         if (cfg->window_restore_enabled)
 412                 gtk_paned_set_position(w_sensor_box, cfg->window_divider_pos);
 413
 414 }
 415
 416 void ui_window_show(struct ui_psensor *ui)
 417 {
 418         log_debug("ui_window_show()");
 419         ui_window_update(ui);
 420         gtk_window_present(GTK_WINDOW(ui->main_window));
 421 }
 422
 423 static int cmp_sensors(const void *p1, const void *p2)
 424 {
 425         const struct psensor *s1, *s2;
 426         int pos1, pos2;
 427
 428         s1 = *(void **)p1;
 429         s2 = *(void **)p2;
 430
 431         pos1 = config_get_sensor_position(s1->id);
 432         pos2 = config_get_sensor_position(s2->id);
 433
 434         return pos1 - pos2;
 435 }
 436
 437 struct psensor **ui_get_sensors_ordered_by_position(struct psensor **sensors)
 438 {
 439         struct psensor **result;
 440
 441         result = psensor_list_copy(sensors);
 442         qsort(result,
 443               psensor_list_size(result),
 444               sizeof(struct psensor *),
 445               cmp_sensors);
 446
 447         return result;
 448 }
 449
 450 GtkWidget *ui_get_graph(void)
 451 {
 452         return w_graph;
 453 }