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 void set_decoration(GtkWindow *win)
  32 {
  33         gtk_window_set_decorated(win, config_is_window_decoration_enabled());
  34 }
  35
  36 static void set_keep_below(GtkWindow *win)
  37 {
  38         gtk_window_set_keep_below(win, config_is_window_keep_below_enabled());
  39 }
  40
  41 static void set_menu_bar_enabled(GtkWidget *bar)
  42 {
  43         if (config_is_menu_bar_enabled())
  44                 gtk_widget_show(bar);
  45         else
  46                 gtk_widget_hide(bar);
  47 }
  48
  49 static void
  50 decoration_changed_cbk(GSettings *settings, gchar *key, gpointer data)
  51 {
  52         set_decoration(GTK_WINDOW(data));
  53 }
  54
  55 static void
  56 keep_below_changed_cbk(GSettings *settings, gchar *key, gpointer data)
  57 {
  58         set_keep_below(GTK_WINDOW(data));
  59 }
  60
  61 static void
  62 menu_bar_changed_cbk(GSettings *settings, gchar *key, gpointer data)
  63 {
  64         set_menu_bar_enabled(GTK_WIDGET(data));
  65 }
  66
  67 static void connect_cbks(GtkWindow *win, GtkWidget *menu_bar)
  68 {
  69         log_fct_enter();
  70
  71         g_signal_connect_after(config_get_GSettings(),
  72                                "changed::interface-window-decoration-disabled",
  73                                G_CALLBACK(decoration_changed_cbk),
  74                                win);
  75
  76         g_signal_connect_after(config_get_GSettings(),
  77                                "changed::interface-window-keep-below-enabled",
  78                                G_CALLBACK(keep_below_changed_cbk),
  79                                win);
  80
  81         g_signal_connect_after(config_get_GSettings(),
  82                                "changed::interface-menu-bar-disabled",
  83                                G_CALLBACK(menu_bar_changed_cbk),
  84                                menu_bar);
  85
  86         log_fct_exit();
  87 }
  88
  89 static void save_window_pos(struct ui_psensor *ui)
  90 {
  91         gboolean visible;
  92         GtkWindow *win;
  93         struct config *cfg;
  94
  95         visible = gtk_widget_get_visible(ui->main_window);
  96         log_debug("Window visible: %d", visible);
  97
  98         if (visible == TRUE) {
  99                 cfg = ui->config;
 100
 101                 win = GTK_WINDOW(ui->main_window);
 102
 103                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
 104                 log_debug("Window position: %d %d",
 105                           cfg->window_x,
 106                           cfg->window_y);
 107
 108                 gtk_window_get_size(win,
 109                                     &cfg->window_w,
 110                                     &cfg->window_h);
 111                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
 112
 113                 cfg->window_divider_pos
 114                         = gtk_paned_get_position(GTK_PANED(ui->sensor_box));
 115
 116                 config_save(cfg);
 117         }
 118 }
 119
 120 static gboolean
 121 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
 122 {
 123         struct ui_psensor *ui = data;
 124
 125         save_window_pos(ui);
 126
 127         log_debug("is_status_supported: %d\n", is_status_supported());
 128
 129         if (is_appindicator_supported() || is_status_supported())
 130                 gtk_widget_hide(ui->main_window);
 131         else
 132                 ui_psensor_quit(ui);
 133
 134         return TRUE;
 135 }
 136
 137 void ui_show_about_dialog(void)
 138 {
 139         static const char *const authors[] = { "jeanfi@gmail.com", NULL };
 140
 141         gtk_show_about_dialog
 142                 (NULL,
 143                  "authors", authors,
 144                  "comments",
 145                  _("Psensor is a GTK+ application for monitoring hardware "
 146                    "sensors"),
 147                  "copyright",
 148                  _("Copyright(c) 2010-2014 jeanfi@gmail.com"),
 149 #if GTK_CHECK_VERSION(3, 12, 0)
 150                  "license-type", GTK_LICENSE_GPL_2_0,
 151 #endif
 152                  "logo-icon-name", "psensor",
 153                  "program-name", "Psensor",
 154                  "title", _("About Psensor"),
 155                  "translator-credits", _("translator-credits"),
 156                  "version", VERSION,
 157                  "website", PACKAGE_URL,
 158                  "website-label", _("Psensor Homepage"),
 159                  NULL);
 160 }
 161
 162 void ui_cb_about(GtkMenuItem *mi, gpointer data)
 163 {
 164         ui_show_about_dialog();
 165 }
 166
 167 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 168 {
 169         ui_psensor_quit((struct ui_psensor *)data);
 170 }
 171
 172 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 173 {
 174         ui_pref_dialog_run((struct ui_psensor *)data);
 175 }
 176
 177 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 178 {
 179         struct ui_psensor *ui = data;
 180
 181         if (ui->sensors && *ui->sensors)
 182                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 183 }
 184
 185 void ui_psensor_quit(struct ui_psensor *ui)
 186 {
 187         save_window_pos(ui);
 188
 189         log_debug("Destroy main window");
 190         gtk_widget_destroy(ui->main_window);
 191         gtk_main_quit();
 192 }
 193
 194 void ui_enable_alpha_channel(struct ui_psensor *ui)
 195 {
 196         GdkScreen *screen;
 197         GdkVisual *visual;
 198         struct config *cfg;
 199
 200         cfg = ui->config;
 201
 202         screen = gtk_widget_get_screen(ui->main_window);
 203
 204         log_debug("Config alpha channel enabled: %d",
 205                   cfg->alpha_channel_enabled);
 206         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 207                 log_debug("Screen is composited");
 208                 visual = gdk_screen_get_rgba_visual(screen);
 209                 if (visual) {
 210                         gtk_widget_set_visual(ui->main_window, visual);
 211                 } else {
 212                         cfg->alpha_channel_enabled = 0;
 213                         log_err("Enable alpha channel has failed");
 214                 }
 215         } else {
 216                 cfg->alpha_channel_enabled = 0;
 217         }
 218 }
 219
 220 static void slog_enabled_cbk(void *data)
 221 {
 222         struct ui_psensor *ui;
 223         struct psensor **sensors;
 224         pthread_mutex_t *mutex;
 225
 226         ui = (struct ui_psensor *)data;
 227         sensors = ui->sensors;
 228         mutex = &ui->sensors_mutex;
 229
 230         log_debug("slog_enabled_cbk");
 231
 232         if (is_slog_enabled())
 233                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 234         else
 235                 slog_close();
 236 }
 237
 238 void ui_window_create(struct ui_psensor *ui)
 239 {
 240         GtkWidget *window, *menu_bar;
 241         GdkPixbuf *icon;
 242         GtkIconTheme *icon_theme;
 243         struct config *cfg;
 244         guint ok;
 245         GtkBuilder *builder;
 246         GError *error;
 247
 248         builder = gtk_builder_new();
 249
 250         error = NULL;
 251         ok = gtk_builder_add_from_file
 252                 (builder,
 253                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 254                  &error);
 255
 256         if (!ok) {
 257                 log_printf(LOG_ERR, error->message);
 258                 g_error_free(error);
 259                 return;
 260         }
 261
 262         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 263         gtk_builder_connect_signals(builder, ui);
 264         cfg = ui->config;
 265         if (cfg->window_restore_enabled)
 266                 gtk_window_move(GTK_WINDOW(window),
 267                                 cfg->window_x,
 268                                 cfg->window_y);
 269
 270         config_set_slog_enabled_changed_cbk(slog_enabled_cbk, ui);
 271
 272         gtk_window_set_default_size(GTK_WINDOW(window),
 273                                     cfg->window_w,
 274                                     cfg->window_h);
 275
 276         icon_theme = gtk_icon_theme_get_default();
 277         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 278         if (icon)
 279                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 280         else
 281                 log_err(_("Failed to load Psensor icon."));
 282
 283         g_signal_connect(window,
 284                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 285
 286         set_decoration(GTK_WINDOW(window));
 287         set_keep_below(GTK_WINDOW(window));
 288
 289         menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 290         ui->main_box = GTK_WIDGET(gtk_builder_get_object(builder, "main_box"));
 291         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 292                                                            "popup_menu"));
 293         g_object_ref(G_OBJECT(ui->popup_menu));
 294         ui->main_window = window;
 295         ui->w_graph = GTK_WIDGET(gtk_builder_get_object(builder, "graph"));
 296         ui_graph_create(ui);
 297
 298         ui->sensor_box = GTK_PANED(gtk_builder_get_object(builder,
 299                                                           "sensor_box"));
 300         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 301                                            (builder, "sensors_store"));
 302         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 303                                          (builder, "sensors_tree"));
 304         ui->sensors_scrolled_tree
 305                 = GTK_SCROLLED_WINDOW(gtk_builder_get_object
 306                                       (builder, "sensors_scrolled_tree"));
 307
 308         ui_sensorlist_create(ui);
 309
 310         connect_cbks(GTK_WINDOW(window), menu_bar);
 311
 312         log_debug("ui_window_create(): show_all");
 313         gtk_widget_show_all(ui->main_box);
 314         set_menu_bar_enabled(menu_bar);
 315
 316         g_object_unref(G_OBJECT(builder));
 317
 318         log_debug("ui_window_create() ends");
 319 }
 320
 321 void ui_window_update(struct ui_psensor *ui)
 322 {
 323         struct config *cfg;
 324
 325         log_debug("ui_window_update()");
 326
 327         cfg = ui->config;
 328
 329         g_object_ref(GTK_WIDGET(ui->sensors_scrolled_tree));
 330         g_object_ref(GTK_WIDGET(ui->w_graph));
 331
 332         gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 333                              GTK_WIDGET(ui->sensors_scrolled_tree));
 334
 335         gtk_container_remove(GTK_CONTAINER(ui->sensor_box), ui->w_graph);
 336
 337         gtk_container_remove(GTK_CONTAINER(ui->main_box),
 338                              GTK_WIDGET(ui->sensor_box));
 339
 340         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 341             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 342                 ui->sensor_box
 343                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_HORIZONTAL));
 344         else
 345                 ui->sensor_box
 346                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_VERTICAL));
 347
 348         gtk_box_pack_end(GTK_BOX(ui->main_box),
 349                          GTK_WIDGET(ui->sensor_box), TRUE, TRUE, 2);
 350
 351         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 352             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 353                 gtk_paned_pack1(ui->sensor_box,
 354                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 355                 gtk_paned_pack2(ui->sensor_box,
 356                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 357                                 FALSE, TRUE);
 358         } else {
 359                 gtk_paned_pack1(ui->sensor_box,
 360                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 361                                 FALSE, TRUE);
 362                 gtk_paned_pack2(ui->sensor_box,
 363                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 364         }
 365
 366         if (cfg->window_restore_enabled)
 367                 gtk_paned_set_position(ui->sensor_box, cfg->window_divider_pos);
 368
 369         g_object_unref(GTK_WIDGET(ui->sensors_scrolled_tree));
 370         g_object_unref(GTK_WIDGET(ui->w_graph));
 371
 372         gtk_widget_show_all(GTK_WIDGET(ui->sensor_box));
 373 }
 374
 375 void ui_window_show(struct ui_psensor *ui)
 376 {
 377         log_debug("ui_window_show()");
 378         ui_window_update(ui);
 379         gtk_window_present(GTK_WINDOW(ui->main_window));
 380 }
 381
 382 static int cmp_sensors(const void *p1, const void *p2)
 383 {
 384         const struct psensor *s1, *s2;
 385         int pos1, pos2;
 386
 387         s1 = *(void **)p1;
 388         s2 = *(void **)p2;
 389
 390         pos1 = config_get_sensor_position(s1->id);
 391         pos2 = config_get_sensor_position(s2->id);
 392
 393         return pos1 - pos2;
 394 }
 395
 396 struct psensor **ui_get_sensors_ordered_by_position(struct psensor **sensors)
 397 {
 398         struct psensor **result;
 399
 400         result = psensor_list_copy(sensors);
 401         qsort(result,
 402               psensor_list_size(result),
 403               sizeof(struct psensor *),
 404               cmp_sensors);
 405
 406         return result;
 407 }