src/ui_graph.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 "graph.h"
  21 #include "ui_graph.h"
  22 #include "ui_pref.h"
  23 #include "ui_sensorpref.h"
  24
  25 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
  26 {
  27         ui_psensor_quit();
  28 }
  29
  30 static void cb_preferences(GtkMenuItem *mi, gpointer data)
  31 {
  32         ui_pref_dialog_run((struct ui_psensor *)data);
  33 }
  34
  35 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
  36 {
  37         struct ui_psensor *ui = data;
  38
  39         if (ui->sensors && *ui->sensors)
  40                 ui_sensorpref_dialog_run(*ui->sensors, ui);
  41 }
  42
  43 static const char *menu_desc =
  44 "<ui>"
  45 "  <popup name='MainMenu'>"
  46 "      <menuitem name='Preferences' action='PreferencesAction' />"
  47 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
  48 "      <separator />"
  49 "      <menuitem name='Quit' action='QuitAction' />"
  50 "  </popup>"
  51 "</ui>";
  52
  53 static GtkActionEntry entries[] = {
  54   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
  55
  56   { "PreferencesAction", GTK_STOCK_PREFERENCES,     /* name, stock id */
  57     "_Preferences", NULL,                           /* label, accelerator */
  58     "Preferences",                                  /* tooltip */
  59     G_CALLBACK(cb_preferences) },
  60
  61   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,/* name, stock id */
  62     "_Sensor Preferences", NULL,                     /* label, accelerator */
  63     "Sensor Preferences",                            /* tooltip */
  64     G_CALLBACK(cb_sensor_preferences) },
  65
  66   { "QuitAction",
  67     GTK_STOCK_QUIT, "_Quit", NULL, "Quit", G_CALLBACK(cb_menu_quit) }
  68 };
  69 static guint n_entries = G_N_ELEMENTS(entries);
  70
  71 static GtkWidget *get_menu(struct ui_psensor *ui)
  72 {
  73         GtkActionGroup      *action_group;
  74         GtkUIManager        *menu_manager;
  75         GError              *error;
  76
  77         action_group = gtk_action_group_new("PsensorActions");
  78         gtk_action_group_set_translation_domain(action_group, PACKAGE);
  79         menu_manager = gtk_ui_manager_new();
  80
  81         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
  82         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
  83
  84         error = NULL;
  85         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
  86
  87         if (error)
  88                 g_error(_("building menus failed: %s"), error->message);
  89
  90         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
  91 }
  92
  93
  94 static int
  95 on_graph_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
  96 {
  97         GtkWidget *menu;
  98
  99         if (event->type != GDK_BUTTON_PRESS)
 100                 return FALSE;
 101
 102         menu = get_menu((struct ui_psensor *)data);
 103
 104         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
 105                        event->button, event->time);
 106
 107         return TRUE;
 108 }
 109
 110 static gboolean
 111 on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 112 {
 113         struct ui_psensor *ui_psensor = (struct ui_psensor *)data;
 114
 115         graph_update(ui_psensor->sensors,
 116                      ui_psensor->w_graph, ui_psensor->config);
 117
 118         return FALSE;
 119 }
 120
 121 GtkWidget *ui_graph_create(struct ui_psensor * ui)
 122 {
 123         GtkWidget *w_graph;
 124
 125         w_graph = gtk_drawing_area_new();
 126
 127         g_signal_connect(GTK_WIDGET(w_graph),
 128                          "expose-event", G_CALLBACK(on_expose_event), ui);
 129
 130         gtk_widget_add_events(w_graph, GDK_BUTTON_PRESS_MASK);
 131
 132         g_signal_connect(GTK_WIDGET(w_graph),
 133                            "button_press_event",
 134                            (GCallback) on_graph_clicked, ui);
 135
 136         return w_graph;
 137 }