src/ui_appindicator.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 <stdio.h>
  20 #include <stdlib.h>
  21 #include <string.h>
  22
  23 #include <gtk/gtk.h>
  24 #include <libappindicator/app-indicator.h>
  25
  26 #include "cfg.h"
  27 #include "psensor.h"
  28 #include "ui.h"
  29 #include "ui_appindicator.h"
  30 #include "ui_sensorpref.h"
  31 #include "ui_status.h"
  32 #include "ui_pref.h"
  33
  34 static const char *ICON = "psensor_normal";
  35 static const char *ATTENTION_ICON = "psensor_hot";
  36
  37 static GtkMenuItem **sensor_menu_items;
  38 static GtkWidget *main_window;
  39 static int appindicator_supported = 1;
  40 static AppIndicator *indicator;
  41 static struct ui_psensor *ui_psensor;
  42
  43 static void cb_menu_show(GtkMenuItem *mi, gpointer data)
  44 {
  45         ui_window_show((struct ui_psensor *)data);
  46 }
  47
  48 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
  49 {
  50         ui_psensor_quit(data);
  51 }
  52
  53 static void cb_menu_preferences(GtkMenuItem *mi, gpointer data)
  54 {
  55 #ifdef HAVE_APPINDICATOR_029
  56         gdk_threads_enter();
  57 #endif
  58
  59         ui_pref_dialog_run((struct ui_psensor *)data);
  60
  61 #ifdef HAVE_APPINDICATOR_029
  62         gdk_threads_leave();
  63 #endif
  64 }
  65
  66 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
  67 {
  68         struct ui_psensor *ui = data;
  69
  70 #ifdef HAVE_APPINDICATOR_029
  71         gdk_threads_enter();
  72 #endif
  73
  74         if (ui->sensors && *ui->sensors)
  75                 ui_sensorpref_dialog_run(*ui->sensors, ui);
  76
  77 #ifdef HAVE_APPINDICATOR_029
  78         gdk_threads_leave();
  79 #endif
  80 }
  81
  82 static void cb_about(GtkMenuItem *mi, gpointer data)
  83 {
  84         ui_show_about_dialog();
  85 }
  86
  87 static const char *menu_desc =
  88 "<ui>"
  89 "  <popup name='MainMenu'>"
  90 "      <menuitem name='Show' action='ShowAction' />"
  91 "      <separator />"
  92 "      <separator />"
  93 "      <menuitem name='Preferences' action='PreferencesAction' />"
  94 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
  95 "      <separator />"
  96 "      <menuitem name='About' action='AboutAction' />"
  97 "      <separator />"
  98 "      <menuitem name='Quit' action='QuitAction' />"
  99 "  </popup>"
 100 "</ui>";
 101
 102 static GtkActionEntry entries[] = {
 103         { "PsensorMenuAction", NULL, "_Psensor" },
 104
 105         { "ShowAction", NULL,
 106           "_Show", NULL,
 107           "Show",
 108           G_CALLBACK(cb_menu_show) },
 109
 110         { "PreferencesAction", GTK_STOCK_PREFERENCES,
 111           "_Preferences", NULL,
 112           "Preferences",
 113           G_CALLBACK(cb_menu_preferences) },
 114
 115         { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
 116           "S_ensor Preferences",
 117           NULL,
 118           "SensorPreferences",
 119           G_CALLBACK(cb_sensor_preferences) },
 120
 121         { "AboutAction", NULL,
 122           "_About",
 123           NULL,
 124           "About",
 125           G_CALLBACK(cb_about) },
 126
 127         { "QuitAction",
 128           GTK_STOCK_QUIT, "_Quit", NULL, "Quit", G_CALLBACK(cb_menu_quit) }
 129 };
 130 static guint n_entries = G_N_ELEMENTS(entries);
 131
 132 static void update_sensor_menu_item(GtkMenuItem *item,
 133                                     struct psensor *s,
 134                                     int use_celcius)
 135 {
 136         gchar *str;
 137         double v;
 138
 139         v = psensor_get_current_value(s);
 140
 141         if (!use_celcius)
 142                 v = celcius_to_fahrenheit(v);
 143
 144         str = g_strdup_printf("%s: %2.f %s",
 145                               s->name,
 146                               v,
 147                               psensor_type_to_unit_str(s->type, use_celcius));
 148
 149         gtk_menu_item_set_label(item, str);
 150
 151         g_free(str);
 152 }
 153
 154 static void update_sensor_menu_items(struct psensor **sensors,
 155                                      int use_celcius)
 156 {
 157         int n, i;
 158
 159         n = psensor_list_size(sensors);
 160         for (i = 0; i < n; i++)
 161                 update_sensor_menu_item(sensor_menu_items[i],
 162                                         sensors[i],
 163                                         use_celcius);
 164 }
 165
 166 static GtkWidget *get_menu(struct ui_psensor *ui)
 167 {
 168         GtkActionGroup *action_group;
 169         GtkUIManager *menu_manager;
 170         GError *error;
 171         GtkMenu *menu;
 172         int i;
 173         int n = psensor_list_size(ui->sensors);
 174         struct psensor **sensors = ui->sensors;
 175
 176         action_group = gtk_action_group_new("PsensorActions");
 177         gtk_action_group_set_translation_domain(action_group, PACKAGE);
 178         menu_manager = gtk_ui_manager_new();
 179
 180         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
 181         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
 182
 183         error = NULL;
 184         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
 185
 186         if (error)
 187                 g_error(_("building menus failed: %s"), error->message);
 188
 189         menu = GTK_MENU(gtk_ui_manager_get_widget(menu_manager, "/MainMenu"));
 190
 191         sensor_menu_items = malloc(sizeof(GtkWidget *)*n);
 192         for (i = 0; i < n; i++) {
 193                 struct psensor *s = sensors[i];
 194
 195                 sensor_menu_items[i]
 196                         = GTK_MENU_ITEM(gtk_menu_item_new_with_label(s->name));
 197
 198                 gtk_menu_shell_insert(GTK_MENU_SHELL(menu),
 199                                       GTK_WIDGET(sensor_menu_items[i]),
 200                                       i+2);
 201
 202                 update_sensor_menu_item
 203                         (sensor_menu_items[i],
 204                          s,
 205                          ui->config->temperature_unit == CELCIUS);
 206         }
 207
 208
 209         return GTK_WIDGET(menu);
 210 }
 211
 212 void ui_appindicator_update(struct ui_psensor *ui, unsigned int attention)
 213 {
 214         AppIndicatorStatus status;
 215
 216         if (!indicator)
 217                 return;
 218
 219         status = app_indicator_get_status(indicator);
 220
 221         if (!attention && status == APP_INDICATOR_STATUS_ATTENTION)
 222                 app_indicator_set_status
 223                         (indicator, APP_INDICATOR_STATUS_ACTIVE);
 224
 225         if (attention && status == APP_INDICATOR_STATUS_ACTIVE)
 226                 app_indicator_set_status
 227                     (indicator, APP_INDICATOR_STATUS_ATTENTION);
 228
 229         update_sensor_menu_items(ui->sensors,
 230                                  ui->config->temperature_unit == CELCIUS);
 231 }
 232
 233 static GtkStatusIcon *unity_fallback(AppIndicator *indicator)
 234 {
 235         GtkStatusIcon *ico;
 236
 237         log_debug("ui_appindicator#unity_fallback");
 238
 239         appindicator_supported = 0;
 240
 241         ico = ui_status_get_icon(ui_psensor);
 242
 243         ui_status_set_visible(1);
 244
 245         return ico;
 246 }
 247
 248 static void
 249 unity_unfallback(AppIndicator *indicator, GtkStatusIcon *status_icon)
 250 {
 251         log_debug("ui_appindicator#unity_unfallback");
 252
 253         ui_status_set_visible(0);
 254
 255         appindicator_supported = 1;
 256 }
 257
 258 void ui_appindicator_init(struct ui_psensor *ui)
 259 {
 260         GtkWidget *menu;
 261
 262         ui_psensor = ui;
 263         main_window = ui->main_window;
 264
 265         indicator = app_indicator_new
 266                 ("psensor",
 267                  ICON,
 268                  APP_INDICATOR_CATEGORY_APPLICATION_STATUS);
 269
 270         APP_INDICATOR_GET_CLASS(indicator)->fallback = unity_fallback;
 271         APP_INDICATOR_GET_CLASS(indicator)->unfallback = unity_unfallback;
 272
 273         app_indicator_set_status(indicator, APP_INDICATOR_STATUS_ACTIVE);
 274         app_indicator_set_attention_icon(indicator, ATTENTION_ICON);
 275
 276         menu = get_menu(ui);
 277         app_indicator_set_menu(indicator, GTK_MENU(menu));
 278
 279         gtk_widget_show_all(menu);
 280 }
 281
 282 int is_appindicator_supported()
 283 {
 284         return appindicator_supported;
 285 }
 286
 287 void ui_appindicator_cleanup()
 288 {
 289         /* TODO: cleanup menu items. */
 290 }