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 set_keep_below(GtkWindow *win)
  38 {
  39         gtk_window_set_keep_below(win, config_is_window_keep_below_enabled());
  40 }
  41
  42 static void
  43 decoration_changed_cbk(GSettings *settings, gchar *key, gpointer data)
  44 {
  45         set_decoration((GtkWindow *)data);
  46 }
  47
  48 static void
  49 keep_below_changed_cbk(GSettings *settings, gchar *key, gpointer data)
  50 {
  51         set_keep_below((GtkWindow *)data);
  52 }
  53
  54 static void connect_cbks(GtkWindow *win)
  55 {
  56         log_fct_enter();
  57
  58         g_signal_connect_after(config_get_GSettings(),
  59                                "changed::interface-window-decoration-disabled",
  60                                G_CALLBACK(decoration_changed_cbk),
  61                                win);
  62
  63         g_signal_connect_after(config_get_GSettings(),
  64                                "changed::interface-window-keep-below-enabled",
  65                                G_CALLBACK(keep_below_changed_cbk),
  66                                win);
  67
  68         log_fct_exit();
  69 }
  70
  71 static void save_window_pos(struct ui_psensor *ui)
  72 {
  73         gboolean visible;
  74         GtkWindow *win;
  75         struct config *cfg;
  76
  77         visible = gtk_widget_get_visible(ui->main_window);
  78         log_debug("Window visible: %d", visible);
  79
  80         if (visible == TRUE) {
  81                 cfg = ui->config;
  82
  83                 win = GTK_WINDOW(ui->main_window);
  84
  85                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
  86                 log_debug("Window position: %d %d",
  87                           cfg->window_x,
  88                           cfg->window_y);
  89
  90                 gtk_window_get_size(win,
  91                                     &cfg->window_w,
  92                                     &cfg->window_h);
  93                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
  94
  95                 cfg->window_divider_pos
  96                         = gtk_paned_get_position(GTK_PANED(ui->sensor_box));
  97
  98                 config_save(cfg);
  99         }
 100 }
 101
 102 static gboolean
 103 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
 104 {
 105         struct ui_psensor *ui = data;
 106
 107         save_window_pos(ui);
 108
 109         log_debug("is_status_supported: %d\n", is_status_supported());
 110
 111         if (is_appindicator_supported() || is_status_supported())
 112                 gtk_widget_hide(ui->main_window);
 113         else
 114                 ui_psensor_quit(ui);
 115
 116         return TRUE;
 117 }
 118
 119 void ui_show_about_dialog(void)
 120 {
 121         static const char *const authors[] = { "jeanfi@gmail.com", NULL };
 122
 123         gtk_show_about_dialog
 124                 (NULL,
 125                  "authors", authors,
 126                  "comments",
 127                  _("Psensor is a GTK+ application for monitoring hardware "
 128                    "sensors"),
 129                  "copyright",
 130                  _("Copyright(c) 2010-2014 jeanfi@gmail.com"),
 131 #if GTK_CHECK_VERSION(3, 12, 0)
 132                  "license-type", GTK_LICENSE_GPL_2_0,
 133 #endif
 134                  "logo-icon-name", "psensor",
 135                  "program-name", "Psensor",
 136                  "title", _("About Psensor"),
 137                  "translator-credits", _("translator-credits"),
 138                  "version", VERSION,
 139                  "website", PACKAGE_URL,
 140                  "website-label", _("Psensor Homepage"),
 141                  NULL);
 142 }
 143
 144 void ui_cb_about(GtkMenuItem *mi, gpointer data)
 145 {
 146         ui_show_about_dialog();
 147 }
 148
 149 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 150 {
 151         ui_psensor_quit((struct ui_psensor *)data);
 152 }
 153
 154 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 155 {
 156         ui_pref_dialog_run((struct ui_psensor *)data);
 157 }
 158
 159 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 160 {
 161         struct ui_psensor *ui = data;
 162
 163         if (ui->sensors && *ui->sensors)
 164                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 165 }
 166
 167 void ui_psensor_quit(struct ui_psensor *ui)
 168 {
 169         save_window_pos(ui);
 170
 171         log_debug("Destroy main window");
 172         gtk_widget_destroy(ui->main_window);
 173         gtk_main_quit();
 174 }
 175
 176 void ui_enable_alpha_channel(struct ui_psensor *ui)
 177 {
 178         GdkScreen *screen;
 179         GdkVisual *visual;
 180         struct config *cfg;
 181
 182         cfg = ui->config;
 183
 184         screen = gtk_widget_get_screen(ui->main_window);
 185
 186         log_debug("Config alpha channel enabled: %d",
 187                   cfg->alpha_channel_enabled);
 188         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 189                 log_debug("Screen is composited");
 190                 visual = gdk_screen_get_rgba_visual(screen);
 191                 if (visual) {
 192                         gtk_widget_set_visual(ui->main_window, visual);
 193                 } else {
 194                         cfg->alpha_channel_enabled = 0;
 195                         log_err("Enable alpha channel has failed");
 196                 }
 197         } else {
 198                 cfg->alpha_channel_enabled = 0;
 199         }
 200 }
 201
 202 static void slog_enabled_cbk(void *data)
 203 {
 204         struct ui_psensor *ui;
 205         struct psensor **sensors;
 206         pthread_mutex_t *mutex;
 207
 208         ui = (struct ui_psensor *)data;
 209         sensors = ui->sensors;
 210         mutex = &ui->sensors_mutex;
 211
 212         log_debug("slog_enabled_cbk");
 213
 214         if (is_slog_enabled())
 215                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 216         else
 217                 slog_close();
 218 }
 219
 220 void ui_window_create(struct ui_psensor *ui)
 221 {
 222         GtkWidget *window;
 223         GdkPixbuf *icon;
 224         GtkIconTheme *icon_theme;
 225         struct config *cfg;
 226         guint ok;
 227         GtkBuilder *builder;
 228         GError *error;
 229
 230         builder = gtk_builder_new();
 231
 232         error = NULL;
 233         ok = gtk_builder_add_from_file
 234                 (builder,
 235                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 236                  &error);
 237
 238         if (!ok) {
 239                 log_printf(LOG_ERR, error->message);
 240                 g_error_free(error);
 241                 return;
 242         }
 243
 244         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 245         gtk_builder_connect_signals(builder, ui);
 246         cfg = ui->config;
 247         if (cfg->window_restore_enabled)
 248                 gtk_window_move(GTK_WINDOW(window),
 249                                 cfg->window_x,
 250                                 cfg->window_y);
 251
 252         config_set_slog_enabled_changed_cbk(slog_enabled_cbk, ui);
 253
 254         gtk_window_set_default_size(GTK_WINDOW(window),
 255                                     cfg->window_w,
 256                                     cfg->window_h);
 257
 258         icon_theme = gtk_icon_theme_get_default();
 259         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 260         if (icon)
 261                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 262         else
 263                 log_err(_("Failed to load Psensor icon."));
 264
 265         g_signal_connect(window,
 266                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 267
 268         set_decoration(GTK_WINDOW(window));
 269         set_keep_below(GTK_WINDOW(window));
 270
 271         ui->menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 272         ui->main_box = GTK_WIDGET(gtk_builder_get_object(builder, "main_box"));
 273         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 274                                                            "popup_menu"));
 275         g_object_ref(G_OBJECT(ui->popup_menu));
 276         ui->main_window = window;
 277         ui->w_graph = GTK_WIDGET(gtk_builder_get_object(builder,
 278                                                         "graph"));
 279         ui_graph_create(ui);
 280
 281         ui->sensor_box = GTK_PANED(gtk_builder_get_object(builder,
 282                                                           "sensor_box"));
 283         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 284                                            (builder, "sensors_store"));
 285         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 286                                          (builder, "sensors_tree"));
 287         ui->sensors_scrolled_tree
 288                 = GTK_SCROLLED_WINDOW(gtk_builder_get_object
 289                                       (builder, "sensors_scrolled_tree"));
 290
 291         ui_sensorlist_create(ui);
 292
 293         connect_cbks(GTK_WINDOW(window));
 294
 295         log_debug("ui_window_create(): show_all");
 296         gtk_widget_show_all(ui->main_box);
 297
 298         g_object_unref(G_OBJECT(builder));
 299
 300         log_debug("ui_window_create() ends");
 301 }
 302
 303 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 304 {
 305         if (show)
 306                 gtk_widget_show(ui->menu_bar);
 307         else
 308                 gtk_widget_hide(ui->menu_bar);
 309 }
 310
 311 void ui_window_update(struct ui_psensor *ui)
 312 {
 313         struct config *cfg;
 314
 315         log_debug("ui_window_update()");
 316
 317         cfg = ui->config;
 318
 319         g_object_ref(GTK_WIDGET(ui->sensors_scrolled_tree));
 320         g_object_ref(GTK_WIDGET(ui->w_graph));
 321
 322         gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 323                              GTK_WIDGET(ui->sensors_scrolled_tree));
 324
 325         gtk_container_remove(GTK_CONTAINER(ui->sensor_box), ui->w_graph);
 326
 327         gtk_container_remove(GTK_CONTAINER(ui->main_box),
 328                              GTK_WIDGET(ui->sensor_box));
 329
 330         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 331             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 332                 ui->sensor_box
 333                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_HORIZONTAL));
 334         else
 335                 ui->sensor_box
 336                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_VERTICAL));
 337
 338         gtk_box_pack_end(GTK_BOX(ui->main_box),
 339                          GTK_WIDGET(ui->sensor_box), TRUE, TRUE, 2);
 340
 341         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 342             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 343                 gtk_paned_pack1(ui->sensor_box,
 344                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 345                 gtk_paned_pack2(ui->sensor_box,
 346                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 347                                 FALSE, TRUE);
 348         } else {
 349                 gtk_paned_pack1(ui->sensor_box,
 350                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 351                                 FALSE, TRUE);
 352                 gtk_paned_pack2(ui->sensor_box,
 353                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 354         }
 355
 356         if (cfg->window_restore_enabled)
 357                 gtk_paned_set_position(ui->sensor_box, cfg->window_divider_pos);
 358
 359         g_object_unref(GTK_WIDGET(ui->sensors_scrolled_tree));
 360         g_object_unref(GTK_WIDGET(ui->w_graph));
 361
 362         gtk_widget_show_all(GTK_WIDGET(ui->sensor_box));
 363
 364         if (cfg->menu_bar_disabled)
 365                 menu_bar_show(0, ui);
 366         else
 367                 menu_bar_show(1, ui);
 368 }
 369
 370 void ui_window_show(struct ui_psensor *ui)
 371 {
 372         log_debug("ui_window_show()");
 373         ui_window_update(ui);
 374         gtk_window_present(GTK_WINDOW(ui->main_window));
 375 }
 376
 377 static int cmp_sensors(const void *p1, const void *p2)
 378 {
 379         const struct psensor *s1, *s2;
 380         int pos1, pos2;
 381
 382         s1 = *(void **)p1;
 383         s2 = *(void **)p2;
 384
 385         pos1 = config_get_sensor_position(s1->id);
 386         pos2 = config_get_sensor_position(s2->id);
 387
 388         return pos1 - pos2;
 389 }
 390
 391 struct psensor **ui_get_sensors_ordered_by_position(struct psensor **sensors)
 392 {
 393         struct psensor **result;
 394
 395         result = psensor_list_copy(sensors);
 396         qsort(result,
 397               psensor_list_size(result),
 398               sizeof(struct psensor *),
 399               cmp_sensors);
 400
 401         return result;
 402 }