fixed UI freeze on Ubuntu Lucid when 'sensor preferences' is selected with applicatio...
[psensor.git] / src / ui_appindicator.c
1 /*
2     Copyright (C) 2010-2011 jeanfi@gmail.com
3
4     This program is free software; you can redistribute it and/or modify
5     it under the terms of the GNU General Public License as published by
6     the Free Software Foundation; either version 2 of the License, or
7     (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10     but WITHOUT ANY WARRANTY; without even the implied warranty of
11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12     GNU 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
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string.h>
23
24 #include <gtk/gtk.h>
25 #include <libappindicator/app-indicator.h>
26
27 #include "psensor.h"
28 #include "ui.h"
29 #include "ui_appindicator.h"
30 #include "ui_sensorpref.h"
31 #include "ui_pref.h"
32
33 static GtkMenuItem **sensor_menu_items;
34
35 static void cb_menu_show(GtkMenuItem *mi, gpointer data)
36 {
37         struct ui_psensor *ui = (struct ui_psensor *)data;
38
39         gtk_window_present(GTK_WINDOW(ui->main_window));
40 }
41
42 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
43 {
44         ui_psensor_quit(data);
45 }
46
47 static void
48 cb_menu_preferences(GtkMenuItem *mi, gpointer data)
49 {
50 #ifdef HAVE_APPINDICATOR_029
51         gdk_threads_enter();
52 #endif
53
54         ui_pref_dialog_run((struct ui_psensor *)data);
55
56 #ifdef HAVE_APPINDICATOR_029
57         gdk_threads_leave();
58 #endif
59 }
60
61 static void
62 cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
63 {
64         struct ui_psensor *ui = data;
65
66 #ifdef HAVE_APPINDICATOR_029
67         gdk_threads_enter();
68 #endif
69
70         if (ui->sensors && *ui->sensors)
71                 ui_sensorpref_dialog_run(*ui->sensors, ui);
72
73 #ifdef HAVE_APPINDICATOR_029
74         gdk_threads_leave();
75 #endif
76 }
77
78 static const char *menu_desc =
79 "<ui>"
80 "  <popup name='MainMenu'>"
81 "      <menuitem name='Show' action='ShowAction' />"
82 "      <separator />"
83 "      <separator />"
84 "      <menuitem name='Preferences' action='PreferencesAction' />"
85 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
86 "      <separator />"
87 "      <menuitem name='Quit' action='QuitAction' />"
88 "  </popup>"
89 "</ui>";
90
91 static GtkActionEntry entries[] = {
92   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
93
94   { "ShowAction", NULL,        /* name, stock id */
95     "_Show", NULL, /* label, accelerator */
96     "Show",                    /* tooltip */
97     G_CALLBACK(cb_menu_show) },
98
99   { "PreferencesAction", GTK_STOCK_PREFERENCES,     /* name, stock id */
100     "_Preferences", NULL,                           /* label, accelerator */
101     "Preferences",                                  /* tooltip */
102     G_CALLBACK(cb_menu_preferences) },
103
104   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
105     "S_ensor Preferences",
106     NULL,
107     "SensorPreferences",
108     G_CALLBACK(cb_sensor_preferences) },
109
110   { "QuitAction",
111     GTK_STOCK_QUIT, "_Quit", NULL, "Quit", G_CALLBACK(cb_menu_quit) }
112 };
113 static guint n_entries = G_N_ELEMENTS(entries);
114
115 static void update_sensor_menu_item(GtkMenuItem *item, struct psensor *s)
116 {
117         gchar *str;
118
119         str = g_strdup_printf("%s: %2.f",
120                               s->name,
121                               psensor_get_current_value(s));
122
123         gtk_menu_item_set_label(item, str);
124
125         g_free(str);
126 }
127
128 static void update_sensor_menu_items(struct psensor **sensors)
129 {
130         int n = psensor_list_size(sensors);
131         int i;
132
133         for (i = 0; i < n; i++)
134                 update_sensor_menu_item(sensor_menu_items[i],
135                                         sensors[i]);
136 }
137
138 static GtkWidget *get_menu(struct ui_psensor *ui)
139 {
140         GtkActionGroup *action_group;
141         GtkUIManager *menu_manager;
142         GError *error;
143         GtkMenu *menu;
144         int i;
145         int n = psensor_list_size(ui->sensors);
146         struct psensor **sensors = ui->sensors;
147
148
149         action_group = gtk_action_group_new("PsensorActions");
150         gtk_action_group_set_translation_domain(action_group, PACKAGE);
151         menu_manager = gtk_ui_manager_new();
152
153         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
154         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
155
156         error = NULL;
157         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
158
159         if (error)
160                 g_error(_("building menus failed: %s"), error->message);
161
162         menu = GTK_MENU(gtk_ui_manager_get_widget(menu_manager, "/MainMenu"));
163
164         sensor_menu_items = malloc(sizeof(GtkWidget *)*n);
165         for (i = 0; i < n; i++) {
166                 struct psensor *s = sensors[i];
167
168                 sensor_menu_items[i]
169                         = GTK_MENU_ITEM(gtk_menu_item_new_with_label(s->name));
170
171                 gtk_menu_shell_insert(GTK_MENU_SHELL(menu),
172                                       GTK_WIDGET(sensor_menu_items[i]),
173                                       i+2);
174
175                 update_sensor_menu_item(sensor_menu_items[i],
176                                         s);
177         }
178
179
180         return GTK_WIDGET(menu);
181 }
182
183
184 void ui_appindicator_update(struct ui_psensor *ui)
185 {
186         struct psensor **sensor_cur = ui->sensors;
187         AppIndicatorStatus status;
188         int attention = 0;
189
190         if (!ui->indicator)
191                 return;
192
193         while (*sensor_cur) {
194                 struct psensor *s = *sensor_cur;
195
196                 if (s->alarm_enabled && s->alarm_raised) {
197                         attention = 1;
198                         break;
199                 }
200
201                 sensor_cur++;
202         }
203
204         status = app_indicator_get_status(ui->indicator);
205
206         if (!attention && status == APP_INDICATOR_STATUS_ATTENTION)
207                 app_indicator_set_status
208                     (ui->indicator, APP_INDICATOR_STATUS_ACTIVE);
209
210         if (attention && status == APP_INDICATOR_STATUS_ACTIVE)
211                 app_indicator_set_status
212                     (ui->indicator, APP_INDICATOR_STATUS_ATTENTION);
213
214         update_sensor_menu_items(ui->sensors);
215 }
216
217 void ui_appindicator_init(struct ui_psensor *ui)
218 {
219         GtkWidget *indicatormenu;
220
221         ui->indicator
222             = app_indicator_new("psensor",
223                                 "psensor",
224                                 APP_INDICATOR_CATEGORY_APPLICATION_STATUS);
225
226         app_indicator_set_status(ui->indicator, APP_INDICATOR_STATUS_ACTIVE);
227         app_indicator_set_attention_icon(ui->indicator, "psensor_hot");
228
229         indicatormenu = get_menu(ui);
230
231         gtk_widget_show_all(indicatormenu);
232
233         app_indicator_set_menu(ui->indicator, GTK_MENU(indicatormenu));
234 }