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