src/ui.c

   1 /*
   2  * Copyright (C) 2010-2012 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 static void cb_about(GtkMenuItem *mi, gpointer data)
  96 {
  97         ui_show_about_dialog();
  98 }
  99
 100 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
 101 {
 102         ui_psensor_quit((struct ui_psensor *)data);
 103 }
 104
 105 static void cb_preferences(GtkMenuItem *mi, gpointer data)
 106 {
 107         ui_pref_dialog_run((struct ui_psensor *)data);
 108 }
 109
 110 static void 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 static const char *menu_desc =
 128 "<ui>"
 129 "  <menubar name='MainMenu'>"
 130 "    <menu name='Psensor' action='PsensorMenuAction'>"
 131 "      <menuitem name='Preferences' action='PreferencesAction' />"
 132 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
 133 "      <separator />"
 134 "      <menuitem name='Quit' action='QuitAction' />"
 135 "    </menu>"
 136 "    <menu name='Help' action='HelpMenuAction'>"
 137 "      <menuitem name='About' action='AboutAction' />"
 138 "    </menu>"
 139 "  </menubar>"
 140 "</ui>";
 141
 142 static GtkActionEntry entries[] = {
 143         { "PsensorMenuAction", NULL, "_Psensor" },
 144
 145         { "PreferencesAction", GTK_STOCK_PREFERENCES,
 146           N_("_Preferences"), NULL,
 147           N_("Preferences"),
 148           G_CALLBACK(cb_preferences) },
 149
 150         { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
 151           N_("S_ensor Preferences"), NULL,
 152           N_("Sensor Preferences"),
 153           G_CALLBACK(cb_sensor_preferences) },
 154
 155         { "QuitAction",
 156           GTK_STOCK_QUIT, N_("_Quit"), NULL, N_("Quit"),
 157           G_CALLBACK(cb_menu_quit) },
 158
 159         { "HelpMenuAction", NULL, N_("_Help") },
 160
 161         { "AboutAction", GTK_STOCK_PREFERENCES,
 162           N_("_About"), NULL,
 163           N_("About"),
 164           G_CALLBACK(cb_about) }
 165 };
 166 static guint n_entries = G_N_ELEMENTS(entries);
 167
 168 static GtkWidget *get_menu(struct ui_psensor *ui)
 169 {
 170         GtkActionGroup *action_group;
 171         GtkUIManager *menu_manager;
 172         GError *error;
 173
 174         action_group = gtk_action_group_new("PsensorActions");
 175         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 176         menu_manager = gtk_ui_manager_new();
 177
 178         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 179         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 180
 181         error = NULL;
 182         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 183
 184         if (error)
 185                 g_error(_("building menus failed: %s"), error->message);
 186
 187         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 188 }
 189
 190 void ui_enable_alpha_channel(struct ui_psensor *ui)
 191 {
 192         GdkScreen *screen;
 193         GdkVisual *visual;
 194         struct config *cfg;
 195
 196         cfg = ui->config;
 197
 198         screen = gtk_widget_get_screen(ui->main_window);
 199
 200         log_debug("Config alpha channel enabled: %d",
 201                   cfg->alpha_channel_enabled);
 202         if (cfg->alpha_channel_enabled && gdk_screen_is_composited(screen)) {
 203                 log_debug("Screen is composited");
 204                 visual = gdk_screen_get_rgba_visual(screen);
 205                 if (visual) {
 206                         gtk_widget_set_visual(ui->main_window, visual);
 207                 } else {
 208                         cfg->alpha_channel_enabled = 0;
 209                         log_err("Enable alpha channel has failed");
 210                 }
 211         } else {
 212                 cfg->alpha_channel_enabled = 0;
 213         }
 214
 215 }
 216
 217 static void on_slog_enabled_cb(GConfClient *client,
 218                                guint cnxn_id,
 219                                GConfEntry *entry,
 220                                gpointer user_data)
 221 {
 222         struct ui_psensor *ui;
 223         struct psensor **sensors;
 224         pthread_mutex_t *mutex;
 225
 226         ui = (struct ui_psensor *)user_data;
 227         sensors = ui->sensors;
 228         mutex = &ui->sensors_mutex;
 229
 230         log_debug("cbk_slog_enabled");
 231
 232         if (is_slog_enabled())
 233                 slog_activate(NULL, sensors, mutex, 5);
 234         else
 235                 slog_close(NULL, sensors);
 236 }
 237
 238 void ui_window_create(struct ui_psensor *ui)
 239 {
 240         GtkWidget *window, *menubar;
 241         GdkPixbuf *icon;
 242         GtkIconTheme *icon_theme;
 243         struct config *cfg;
 244
 245         window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
 246
 247         cfg = ui->config;
 248         if (cfg->window_restore_enabled)
 249                 gtk_window_move(GTK_WINDOW(window),
 250                                 cfg->window_x,
 251                                 cfg->window_y);
 252
 253         config_slog_enabled_notify_add(on_slog_enabled_cb, ui);
 254
 255         gtk_window_set_default_size(GTK_WINDOW(window),
 256                                     cfg->window_w,
 257                                     cfg->window_h);
 258
 259         gtk_window_set_title(GTK_WINDOW(window),
 260                              _("Psensor - Temperature Monitor"));
 261         gtk_window_set_role(GTK_WINDOW(window), "psensor");
 262
 263         icon_theme = gtk_icon_theme_get_default();
 264         icon = gtk_icon_theme_load_icon(icon_theme, "psensor", 48, 0, NULL);
 265         if (icon)
 266                 gtk_window_set_icon(GTK_WINDOW(window), icon);
 267         else
 268                 log_err(_("Failed to load Psensor icon."));
 269
 270         g_signal_connect(window,
 271                          "delete_event", G_CALLBACK(on_delete_event_cb), ui);
 272
 273         gtk_window_set_decorated(GTK_WINDOW(window),
 274                                  cfg->window_decoration_enabled);
 275
 276         gtk_window_set_keep_below(GTK_WINDOW(window),
 277                                   cfg->window_keep_below_enabled);
 278
 279         /* main box */
 280         menubar = get_menu(ui);
 281
 282         ui->main_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 1);
 283         gtk_box_set_homogeneous(GTK_BOX(ui->main_box), FALSE);
 284         gtk_box_pack_start(GTK_BOX(ui->main_box), menubar,
 285                            FALSE, TRUE, 0);
 286
 287         gtk_container_add(GTK_CONTAINER(window), ui->main_box);
 288
 289         ui->main_window = window;
 290         ui->menu_bar = menubar;
 291
 292         gtk_widget_show_all(ui->main_box);
 293 }
 294
 295 static void menu_bar_show(unsigned int show, struct ui_psensor *ui)
 296 {
 297         if (show)
 298                 gtk_widget_show(ui->menu_bar);
 299         else
 300                 gtk_widget_hide(ui->menu_bar);
 301 }
 302
 303 void ui_window_update(struct ui_psensor *ui)
 304 {
 305         struct config *cfg;
 306         int init = 1;
 307
 308         cfg = ui->config;
 309
 310         if (ui->sensor_box) {
 311                 g_object_ref(GTK_WIDGET(ui->ui_sensorlist->widget));
 312
 313                 gtk_container_remove(GTK_CONTAINER(ui->sensor_box),
 314                                      ui->ui_sensorlist->widget);
 315
 316                 gtk_container_remove(GTK_CONTAINER(ui->main_box),
 317                                      ui->sensor_box);
 318
 319                 ui->w_graph = ui_graph_create(ui);
 320
 321                 init = 0;
 322         }
 323
 324         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 325             || cfg->sensorlist_position == SENSORLIST_POSITION_LEFT)
 326                 ui->sensor_box = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL);
 327         else
 328                 ui->sensor_box = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
 329
 330         gtk_box_pack_end(GTK_BOX(ui->main_box), ui->sensor_box, TRUE, TRUE, 2);
 331
 332         if (cfg->sensorlist_position == SENSORLIST_POSITION_RIGHT
 333             || cfg->sensorlist_position == SENSORLIST_POSITION_BOTTOM) {
 334                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 335                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 336                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 337                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 338         } else {
 339                 gtk_paned_pack1(GTK_PANED(ui->sensor_box),
 340                                 ui->ui_sensorlist->widget, FALSE, TRUE);
 341                 gtk_paned_pack2(GTK_PANED(ui->sensor_box),
 342                                 GTK_WIDGET(ui->w_graph), TRUE, TRUE);
 343         }
 344
 345         if (cfg->window_restore_enabled)
 346                 gtk_paned_set_position(GTK_PANED(ui->sensor_box),
 347                                        ui->config->window_divider_pos);
 348
 349         if (!init)
 350                 g_object_unref(GTK_WIDGET(ui->ui_sensorlist->widget));
 351
 352         gtk_widget_show_all(ui->sensor_box);
 353
 354         if (cfg->menu_bar_disabled)
 355                 menu_bar_show(0, ui);
 356         else
 357                 menu_bar_show(1, ui);
 358 }
 359
 360 void ui_window_show(struct ui_psensor *ui)
 361 {
 362         log_debug("ui_window_show()");
 363         gtk_window_present(GTK_WINDOW(ui->main_window));
 364 }