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