src/ui_graph.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 "graph.h"
  20 #include "ui_graph.h"
  21 #include "ui_pref.h"
  22 #include "ui_sensorpref.h"
  23
  24 static void cb_menu_quit(GtkMenuItem *mi, gpointer data)
  25 {
  26         ui_psensor_quit((struct ui_psensor *)data);
  27 }
  28
  29 static void cb_preferences(GtkMenuItem *mi, gpointer data)
  30 {
  31         ui_pref_dialog_run((struct ui_psensor *)data);
  32 }
  33
  34 static void cb_about(GtkMenuItem *mi, gpointer data)
  35 {
  36         ui_show_about_dialog();
  37 }
  38
  39 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
  40 {
  41         struct ui_psensor *ui = data;
  42
  43         if (ui->sensors && *ui->sensors)
  44                 ui_sensorpref_dialog_run(*ui->sensors, ui);
  45 }
  46
  47 static const char *menu_desc =
  48 "<ui>"
  49 "  <popup name='MainMenu'>"
  50 "      <menuitem name='Preferences' action='PreferencesAction' />"
  51 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
  52 "      <separator />"
  53 "      <menuitem name='About' action='AboutAction' />"
  54 "      <separator />"
  55 "      <menuitem name='Quit' action='QuitAction' />"
  56 "  </popup>"
  57 "</ui>";
  58
  59 static GtkActionEntry entries[] = {
  60         { "PsensorMenuAction", NULL, "_Psensor" },
  61
  62         { "PreferencesAction", GTK_STOCK_PREFERENCES,
  63           "_Preferences", NULL,
  64           "Preferences",
  65           G_CALLBACK(cb_preferences) },
  66
  67         { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,
  68           "_Sensor Preferences", NULL,
  69           "Sensor Preferences",
  70           G_CALLBACK(cb_sensor_preferences) },
  71
  72         { "AboutAction", NULL,
  73           "_About", NULL,
  74           "About",
  75           G_CALLBACK(cb_about) },
  76
  77         { "QuitAction",
  78           GTK_STOCK_QUIT, "_Quit", NULL, "Quit", G_CALLBACK(cb_menu_quit) }
  79 };
  80 static guint n_entries = G_N_ELEMENTS(entries);
  81
  82 static GtkWidget *get_menu(struct ui_psensor *ui)
  83 {
  84         GtkActionGroup      *action_group;
  85         GtkUIManager        *menu_manager;
  86         GError              *error;
  87
  88         action_group = gtk_action_group_new("PsensorActions");
  89         gtk_action_group_set_translation_domain(action_group, PACKAGE);
  90         menu_manager = gtk_ui_manager_new();
  91
  92         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
  93         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
  94
  95         error = NULL;
  96         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
  97
  98         if (error)
  99                 g_error(_("building menus failed: %s"), error->message);
 100
 101         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 102 }
 103
 104
 105 static int
 106 on_graph_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
 107 {
 108         GtkWidget *menu;
 109
 110         if (event->type != GDK_BUTTON_PRESS)
 111                 return FALSE;
 112
 113         menu = get_menu((struct ui_psensor *)data);
 114
 115         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
 116                        event->button, event->time);
 117
 118         return TRUE;
 119 }
 120
 121 static gboolean
 122 on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 123 {
 124         struct ui_psensor *ui_psensor = (struct ui_psensor *)data;
 125
 126         graph_update(ui_psensor->sensors,
 127                      ui_psensor->w_graph, ui_psensor->config);
 128
 129         return FALSE;
 130 }
 131
 132 GtkWidget *ui_graph_create(struct ui_psensor * ui)
 133 {
 134         GtkWidget *w_graph;
 135
 136         w_graph = gtk_drawing_area_new();
 137
 138         if (GTK_MAJOR_VERSION == 2)
 139                 g_signal_connect(GTK_WIDGET(w_graph),
 140                                  "expose-event",
 141                                  G_CALLBACK(on_expose_event),
 142                                  ui);
 143         else
 144                 g_signal_connect(GTK_WIDGET(w_graph),
 145                                  "draw",
 146                                  G_CALLBACK(on_expose_event),
 147                                  ui);
 148
 149         gtk_widget_add_events(w_graph, GDK_BUTTON_PRESS_MASK);
 150
 151         g_signal_connect(GTK_WIDGET(w_graph),
 152                            "button_press_event",
 153                            (GCallback) on_graph_clicked, ui);
 154
 155         return w_graph;
 156 }