src/ui.c

   1 /*
   2  * Copyright (C) 2010-2013 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 "cfg.h"
  20 #include "slog.h"
  21 #include "ui.h"
  22 #include "ui_graph.h"
  23 #include "ui_pref.h"
  24 #include "ui_sensorpref.h"
  25 #include "ui_sensorlist.h"
  26 #include "ui_status.h"
  27 #include "ui_appindicator.h"
  28
  29 static void save_window_pos(struct ui_psensor *ui)
  30 {
  31         gboolean visible;
  32         GtkWindow *win;
  33         struct config *cfg;
  34
  35         visible = gtk_widget_get_visible(ui->main_window);
  36         log_debug("Window visible: %d", visible);
  37
  38         if (visible == TRUE) {
  39                 cfg = ui->config;
  40
  41                 win = GTK_WINDOW(ui->main_window);
  42
  43                 gtk_window_get_position(win, &cfg->window_x, &cfg->window_y);
  44                 log_debug("Window position: %d %d",
  45                           cfg->window_x,
  46                           cfg->window_y);
  47
  48                 gtk_window_get_size(win,
  49                                     &cfg->window_w,
  50                                     &cfg->window_h);
  51                 log_debug("Window size: %d %d", cfg->window_w, cfg->window_h);
  52
  53                 cfg->window_divider_pos
  54                         = gtk_paned_get_position(GTK_PANED(ui->sensor_box));
  55
  56                 config_save(cfg);
  57         }
  58 }
  59
  60 static gboolean
  61 on_delete_event_cb(GtkWidget *widget, GdkEvent *event, gpointer data)
  62 {
  63         struct ui_psensor *ui = data;
  64
  65         save_window_pos(ui);
  66
  67         log_debug("is_status_supported: %d\n", is_status_supported());
  68
  69         if (is_appindicator_supported() || is_status_supported())
  70                 gtk_widget_hide(ui->main_window);
  71         else
  72                 ui_psensor_quit(ui);
  73
  74         return TRUE;
  75 }
  76
  77 void ui_show_about_dialog()
  78 {
  79         gtk_show_about_dialog
  80                 (NULL,
  81                  "comments",
  82                  _("Psensor is a GTK+ application for monitoring hardware "
  83                    "sensors"),
  84                  "copyright",
  85                  _("Copyright(c) 2010-2012\njeanfi@gmail.com"),
  86                  "logo-icon-name", "psensor",
  87                  "program-name", "Psensor",
  88                  "title", _("About Psensor"),
  89                  "version", VERSION,
  90                  "website", PACKAGE_URL,
  91                  "website-label", _("Psensor Homepage"),
  92                  NULL);
  93 }
  94
  95 void ui_cb_about(GtkMenuItem *mi, gpointer data)
  96 {
  97         ui_show_about_dialog();
  98 }
  99
 100 void ui_cb_menu_quit(GtkMenuItem *mi, gpointer data)
 101 {
 102         ui_psensor_quit((struct ui_psensor *)data);
 103 }
 104
 105 void ui_cb_preferences(GtkMenuItem *mi, gpointer data)
 106 {
 107         ui_pref_dialog_run((struct ui_psensor *)data);
 108 }
 109
 110 void ui_cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
 111 {
 112         struct ui_psensor *ui = data;
 113
 114         if (ui->sensors && *ui->sensors)
 115                 ui_sensorpref_dialog_run(*ui->sensors, ui);
 116 }
 117
 118 void ui_psensor_quit(struct ui_psensor *ui)
 119 {
 120         save_window_pos(ui);
 121
 122         log_debug("Destroy main window");
 123         gtk_widget_destroy(ui->main_window);
 124         gtk_main_quit();
 125 }
 126
 127 void ui_enable_alpha_channel(struct ui_psensor *ui)
 128 {
 129         GdkScreen *screen;
 130         GdkVisual *visual;
 131         struct config *cfg;
 132
 133         cfg = ui->config;
 134
 135         screen = gtk_widget_get_screen(ui->main_window);
 136
 137         log_debug("Config alpha channel enabled: %d",
 138                   cfg->alpha_channel_enabled);
 139         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 140                 log_debug("Screen is composited");
 141                 visual = gdk_screen_get_rgba_visual(screen);
 142                 if (visual) {
 143                         gtk_widget_set_visual(ui->main_window, visual);
 144                 } else {
 145                         cfg->alpha_channel_enabled = 0;
 146                         log_err("Enable alpha channel has failed");
 147                 }
 148         } else {
 149                 cfg->alpha_channel_enabled = 0;
 150         }
 151 }
 152
 153 static void on_slog_enabled_cb(GConfClient *client,
 154                                guint cnxn_id,
 155                                GConfEntry *entry,
 156                                gpointer user_data)
 157 {
 158         struct ui_psensor *ui;
 159         struct psensor **sensors;
 160         pthread_mutex_t *mutex;
 161
 162         ui = (struct ui_psensor *)user_data;
 163         sensors = ui->sensors;
 164         mutex = &ui->sensors_mutex;
 165
 166         log_debug("cbk_slog_enabled");
 167
 168         if (is_slog_enabled())
 169                 slog_activate(NULL, sensors, mutex, config_get_slog_interval());
 170         else
 171                 slog_close();
 172 }
 173
 174 void ui_window_create(struct ui_psensor *ui)
 175 {
 176         GtkWidget *window;
 177         GdkPixbuf *icon;
 178         GtkIconTheme *icon_theme;
 179         struct config *cfg;
 180         guint ok;
 181         GtkBuilder *builder;
 182         GError *error;
 183
 184         builder = gtk_builder_new();
 185
 186         error = NULL;
 187         ok = gtk_builder_add_from_file
 188                 (builder,
 189                  PACKAGE_DATA_DIR G_DIR_SEPARATOR_S "psensor.glade",
 190                  &error);
 191
 192         if (!ok) {
 193                 log_printf(LOG_ERR, error->message);
 194                 g_error_free(error);
 195                 return ;
 196         }
 197
 198         window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
 199         gtk_builder_connect_signals(builder, ui);
 200         cfg = ui->config;
 201         if (cfg->window_restore_enabled)
 202                 gtk_window_move(GTK_WINDOW(window),
 203                                 cfg->window_x,
 204                                 cfg->window_y);
 205
 206         config_slog_enabled_notify_add(on_slog_enabled_cb, ui);
 207
 208         gtk_window_set_default_size(GTK_WINDOW(window),
 209                                     cfg->window_w,
 210                                     cfg->window_h);
 211
 212         icon_theme = gtk_icon_theme_get_default();
 213         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 214         if (icon)
 215                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 216         else
 217                 log_err(_("Failed to load Psensor icon."));
 218
 219         g_signal_connect(window,
 220                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 221
 222         gtk_window_set_decorated(GTK_WINDOW(window),
 223                                  cfg->window_decoration_enabled);
 224
 225         gtk_window_set_keep_below(GTK_WINDOW(window),
 226                                   cfg->window_keep_below_enabled);
 227
 228         ui->menu_bar = GTK_WIDGET(gtk_builder_get_object(builder, "menu_bar"));
 229         ui->main_box = GTK_WIDGET(gtk_builder_get_object(builder, "main_box"));
 230         ui->popup_menu = GTK_WIDGET(gtk_builder_get_object(builder,
 231                                                            "popup_menu"));
 232         g_object_ref(G_OBJECT(ui->popup_menu));
 233         ui->main_window = window;
 234         ui->w_graph = GTK_WIDGET(gtk_builder_get_object(builder,
 235                                                         "graph"));
 236         ui_graph_create(ui);
 237
 238         ui->sensor_box = GTK_PANED(gtk_builder_get_object(builder,
 239                                                           "sensor_box"));
 240         ui->sensors_store = GTK_LIST_STORE(gtk_builder_get_object
 241                                            (builder, "sensors_store"));
 242         ui->sensors_tree = GTK_TREE_VIEW(gtk_builder_get_object
 243                                          (builder, "sensors_tree"));
 244         ui->sensors_scrolled_tree
 245                 = GTK_SCROLLED_WINDOW(gtk_builder_get_object
 246                                       (builder, "sensors_scrolled_tree"));
 247
 248         ui_sensorlist_create(ui);
 249
 250         log_debug("ui_window_create(): show_all");
 251         gtk_widget_show_all(ui->main_box);
 252
 253         g_object_unref(G_OBJECT(builder));
 254
 255         log_debug("ui_window_create() ends");
 256 }
 257
 258 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 259 {
 260         if (show)
 261                 gtk_widget_show(ui->menu_bar);
 262         else
 263                 gtk_widget_hide(ui->menu_bar);
 264 }
 265
 266 void ui_window_update(struct ui_psensor *ui)
 267 {
 268         struct config *cfg;
 269
 270         log_debug("ui_window_update()");
 271
 272         cfg = ui->config;
 273
 274         g_object_ref(GTK_WIDGET(ui->sensors_scrolled_tree));
 275         g_object_ref(GTK_WIDGET(ui->w_graph));
 276
 277         gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 278                              GTK_WIDGET(ui->sensors_scrolled_tree));
 279
 280         gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 281                              ui->w_graph);
 282
 283         gtk_container_remove(GTK_CONTAINER(ui->main_box),
 284                              GTK_WIDGET(ui->sensor_box));
 285
 286         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 287             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 288                 ui->sensor_box
 289                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_HORIZONTAL));
 290         else
 291                 ui->sensor_box
 292                         = GTK_PANED(gtk_paned_new(GTK_ORIENTATION_VERTICAL));
 293
 294         gtk_box_pack_end(GTK_BOX(ui->main_box),
 295                          GTK_WIDGET(ui->sensor_box), TRUE, TRUE, 2);
 296
 297         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 298             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 299                 gtk_paned_pack1(ui->sensor_box,
 300                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 301                 gtk_paned_pack2(ui->sensor_box,
 302                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 303                                 FALSE, TRUE);
 304         } else {
 305                 gtk_paned_pack1(ui->sensor_box,
 306                                 GTK_WIDGET(ui->sensors_scrolled_tree),
 307                                 FALSE, TRUE);
 308                 gtk_paned_pack2(ui->sensor_box,
 309                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 310         }
 311
 312         if (cfg->window_restore_enabled)
 313                 gtk_paned_set_position(ui->sensor_box, cfg->window_divider_pos);
 314
 315         g_object_unref(GTK_WIDGET(ui->sensors_scrolled_tree));
 316         g_object_unref(GTK_WIDGET(ui->w_graph));
 317
 318         gtk_widget_show_all(GTK_WIDGET(ui->sensor_box));
 319
 320         if (cfg->menu_bar_disabled)
 321                 menu_bar_show(0, ui);
 322         else
 323                 menu_bar_show(1, ui);
 324 }
 325
 326 void ui_window_show(struct ui_psensor *ui)
 327 {
 328         log_debug("ui_window_show()");
 329         ui_window_update(ui);
 330         gtk_window_present(GTK_WINDOW(ui->main_window));
 331 }