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
  32 static void set_decoration(GtkWindow *win)
  33 {
  34         gtk_window_set_decorated(win, config_is_window_decoration_enabled());
  35 }
  36
  37 static void
  38 decoration_changed_cbk(GSettings *settings, gchar *key, gpointer data)
  39 {
  40         set_decoration((GtkWindow *)data);
  41 }
  42
  43 static void connect_cbks(GtkWindow *win)
  44 {
  45         log_fct_enter();
  46
  47         g_signal_connect_after(config_get_GSettings(),
  48                                "changed::interface-window-decoration-disabled",
  49                                G_CALLBACK(decoration_changed_cbk),
  50                                win);
  51
  52         log_fct_exit();
  53 }
  54
  55 static void save_window_pos(struct ui_psensor *ui)
  56 {
  57         gboolean visible;
  58         GtkWindow *win;
  59         struct config *cfg;
  60
  61         visible = gtk_widget_get_visible(ui->main_window);
  62         log_debug("Window visible: %d", visible);
  63
  64         if (visible == TRUE) {
  65                 cfg = ui->config;
  66
  67                 win = GTK_WINDOW(ui->main_window);
  68
  69                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
  70                 log_debug("Window position: %d %d",
  71                           cfg->window_x,
  72                           cfg->window_y);
  73
  74                 gtk_window_get_size(win,
  75                                     &cfg->window_w,
  76                                     &cfg->window_h);
  77                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
  78
  79                 cfg->window_divider_pos
  80                         = gtk_paned_get_position(GTK_PANED(ui->sensor_box));
  81
  82                 config_save(cfg);
  83         }
  84 }
  85
  86 static gboolean
  87 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
  88 {
  89         struct ui_psensor *ui = data;
  90
  91         save_window_pos(ui);
  92
  93         log_debug("is_status_supported: %d\n", is_status_supported());
  94
  95         if (is_appindicator_supported() || is_status_supported())
  96                 gtk_widget_hide(ui->main_window);
  97         else
  98                 ui_psensor_quit(ui);
  99
 100         return TRUE;
 101 }
 102
 103 void ui_show_about_dialog(void)
 104 {
 105         static const char *const authors[] = { "jeanfi@gmail.com", NULL };
 106
 107         gtk_show_about_dialog
 108                 (NULL,
 109                  "authors", authors,
 110                  "comments",
 111                  _("Psensor is a GTK+ application for monitoring hardware "
 112                    "sensors"),
 113                  "copyright",
 114                  _("Copyright(c) 2010-2014 jeanfi@gmail.com"),
 115 #if GTK_CHECK_VERSION(3, 12, 0)
 116                  "license-type", GTK_LICENSE_GPL_2_0,
 117 #endif
 118                  "logo-icon-name", "psensor",
 119                  "program-name", "Psensor",
 120                  "title", _("About Psensor"),
 121                  "translator-credits", _("translator-credits"),
 122                  "version", VERSION,
 123                  "website", PACKAGE_URL,
 124                  "website-label", _("Psensor Homepage"),
 125                  NULL);
 126 }
 127
 128 void ui_cb_about(GtkMenuItem *mi, gpointer data)
 129 {
 130         ui_show_about_dialog();
 131 }
 132
 133 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 134 {
 135         ui_psensor_quit((struct ui_psensor *)data);
 136 }
 137
 138 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 139 {
 140         ui_pref_dialog_run((struct ui_psensor *)data);
 141 }
 142
 143 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 144 {
 145         struct ui_psensor *ui = data;
 146
 147         if (ui->sensors && *ui->sensors)
 148                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 149 }
 150
 151 void ui_psensor_quit(struct ui_psensor *ui)
 152 {
 153         save_window_pos(ui);
 154
 155         log_debug("Destroy main window");
 156         gtk_widget_destroy(ui->main_window);
 157         gtk_main_quit();
 158 }
 159
 160 void ui_enable_alpha_channel(struct ui_psensor *ui)
 161 {
 162         GdkScreen *screen;
 163         GdkVisual *visual;
 164         struct config *cfg;
 165
 166         cfg = ui->config;
 167
 168         screen = gtk_widget_get_screen(ui->main_window);
 169
 170         log_debug("Config alpha channel enabled: %d",
 171                   cfg->alpha_channel_enabled);
 172         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 173                 log_debug("Screen is composited");
 174                 visual = gdk_screen_get_rgba_visual(screen);
 175                 if (visual) {
 176                         gtk_widget_set_visual(ui->main_window, visual);
 177                 } else {
 178                         cfg->alpha_channel_enabled = 0;
 179                         log_err("Enable alpha channel has failed");
 180                 }
 181         } else {
 182                 cfg->alpha_channel_enabled = 0;
 183         }
 184 }
 185
 186 static void slog_enabled_cbk(void *data)
 187 {
 188         struct ui_psensor *ui;
 189         struct psensor **sensors;
 190         pthread_mutex_t *mutex;
 191
 192         ui = (struct ui_psensor *)data;
 193         sensors = ui->sensors;
 194         mutex = &ui->sensors_mutex;
 195
 196         log_debug("slog_enabled_cbk");
 197
 198         if (is_slog_enabled())
 199                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 200         else
 201                 slog_close();
 202 }
 203
 204 void ui_window_create(struct ui_psensor *ui)
 205 {
 206         GtkWidget *window;
 207         GdkPixbuf *icon;
 208         GtkIconTheme *icon_theme;
 209         struct config *cfg;
 210         guint ok;
 211         GtkBuilder *builder;
 212         GError *error;
 213
 214         builder = gtk_builder_new();
 215
 216         error = NULL;
 217         ok = gtk_builder_add_from_file
 218                 (builder,
 219                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 220                  &error);
 221
 222         if (!ok) {
 223                 log_printf(LOG_ERR, error->message);
 224                 g_error_free(error);
 225                 return;
 226         }
 227
 228         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 229         gtk_builder_connect_signals(builder, ui);
 230         cfg = ui->config;
 231         if (cfg->window_restore_enabled)
 232                 gtk_window_move(GTK_WINDOW(window),
 233                                 cfg->window_x,
 234                                 cfg->window_y);
 235
 236         config_set_slog_enabled_changed_cbk(slog_enabled_cbk, ui);
 237
 238         gtk_window_set_default_size(GTK_WINDOW(window),
 239                                     cfg->window_w,
 240                                     cfg->window_h);
 241
 242         icon_theme = gtk_icon_theme_get_default();
 243         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 244         if (icon)
 245                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 246         else
 247                 log_err(_("Failed to load Psensor icon."));
 248
 249         g_signal_connect(window,
 250                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 251
 252         set_decoration(GTK_WINDOW(window));
 253
 254         gtk_window_set_keep_below(GTK_WINDOW(window),
 255                                   cfg->window_keep_below_enabled);
 256
 257         ui->menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 258         ui->main_box = GTK_WIDGET(gtk_builder_get_object(builder, "main_box"));
 259         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 260                                                            "popup_menu"));
 261         g_object_ref(G_OBJECT(ui->popup_menu));
 262         ui->main_window = window;
 263         ui->w_graph = GTK_WIDGET(gtk_builder_get_object(builder,
 264                                                         "graph"));
 265         ui_graph_create(ui);
 266
 267         ui->sensor_box = GTK_PANED(gtk_builder_get_object(builder,
 268                                                           "sensor_box"));
 269         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 270                                            (builder, "sensors_store"));
 271         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 272                                          (builder, "sensors_tree"));
 273         ui->sensors_scrolled_tree
 274                 = GTK_SCROLLED_WINDOW(gtk_builder_get_object
 275                                       (builder, "sensors_scrolled_tree"));
 276
 277         ui_sensorlist_create(ui);
 278
 279         connect_cbks(GTK_WINDOW(window));
 280
 281         log_debug("ui_window_create(): show_all");
 282         gtk_widget_show_all(ui->main_box);
 283
 284         g_object_unref(G_OBJECT(builder));
 285
 286         log_debug("ui_window_create() ends");
 287 }
 288
 289 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 290 {
 291         if (show)
 292                 gtk_widget_show(ui->menu_bar);
 293         else
 294                 gtk_widget_hide(ui->menu_bar);
 295 }
 296
 297 void ui_window_update(struct ui_psensor *ui)
 298 {
 299         struct config *cfg;
 300
 301         log_debug("ui_window_update()");
 302
 303         cfg = ui->config;
 304
 305         g_object_ref(GTK_WIDGET(ui->sensors_scrolled_tree));
 306         g_object_ref(GTK_WIDGET(ui->w_graph));
 307
 308         gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 309                              GTK_WIDGET(ui->sensors_scrolled_tree));
 310
 311         gtk_container_remove(GTK_CONTAINER(ui->sensor_box), ui->w_graph);
 312
 313         gtk_container_remove(GTK_CONTAINER(ui->main_box),
 314                              GTK_WIDGET(ui->sensor_box));
 315
 316         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 317             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 318                 ui->sensor_box
 319                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_HORIZONTAL));
 320         else
 321                 ui->sensor_box
 322                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_VERTICAL));
 323
 324         gtk_box_pack_end(GTK_BOX(ui->main_box),
 325                          GTK_WIDGET(ui->sensor_box), TRUE, TRUE, 2);
 326
 327         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 328             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 329                 gtk_paned_pack1(ui->sensor_box,
 330                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 331                 gtk_paned_pack2(ui->sensor_box,
 332                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 333                                 FALSE, TRUE);
 334         } else {
 335                 gtk_paned_pack1(ui->sensor_box,
 336                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 337                                 FALSE, TRUE);
 338                 gtk_paned_pack2(ui->sensor_box,
 339                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 340         }
 341
 342         if (cfg->window_restore_enabled)
 343                 gtk_paned_set_position(ui->sensor_box, cfg->window_divider_pos);
 344
 345         g_object_unref(GTK_WIDGET(ui->sensors_scrolled_tree));
 346         g_object_unref(GTK_WIDGET(ui->w_graph));
 347
 348         gtk_widget_show_all(GTK_WIDGET(ui->sensor_box));
 349
 350         if (cfg->menu_bar_disabled)
 351                 menu_bar_show(0, ui);
 352         else
 353                 menu_bar_show(1, ui);
 354 }
 355
 356 void ui_window_show(struct ui_psensor *ui)
 357 {
 358         log_debug("ui_window_show()");
 359         ui_window_update(ui);
 360         gtk_window_present(GTK_WINDOW(ui->main_window));
 361 }
 362
 363 static int cmp_sensors(const void *p1, const void *p2)
 364 {
 365         const struct psensor *s1, *s2;
 366         int pos1, pos2;
 367
 368         s1 = *(void **)p1;
 369         s2 = *(void **)p2;
 370
 371         pos1 = config_get_sensor_position(s1->id);
 372         pos2 = config_get_sensor_position(s2->id);
 373
 374         return pos1 - pos2;
 375 }
 376
 377 struct psensor **ui_get_sensors_ordered_by_position(struct psensor **sensors)
 378 {
 379         struct psensor **result;
 380
 381         result = psensor_list_copy(sensors);
 382         qsort(result,
 383               psensor_list_size(result),
 384               sizeof(struct psensor *),
 385               cmp_sensors);
 386
 387         return result;
 388 }