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((struct ui_psensor *)data);
  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_about(GtkMenuItem *mi, gpointer data)
  36 {
  37         ui_show_about_dialog();
  38 }
  39
  40 static void cb_sensor_preferences(GtkMenuItem *mi, gpointer data)
  41 {
  42         struct ui_psensor *ui = data;
  43
  44         if (ui->sensors && *ui->sensors)
  45                 ui_sensorpref_dialog_run(*ui->sensors, ui);
  46 }
  47
  48 static const char *menu_desc =
  49 "<ui>"
  50 "  <popup name='MainMenu'>"
  51 "      <menuitem name='Preferences' action='PreferencesAction' />"
  52 "      <menuitem name='SensorPreferences' action='SensorPreferencesAction' />"
  53 "      <separator />"
  54 "      <menuitem name='About' action='AboutAction' />"
  55 "      <separator />"
  56 "      <menuitem name='Quit' action='QuitAction' />"
  57 "  </popup>"
  58 "</ui>";
  59
  60 static GtkActionEntry entries[] = {
  61   { "PsensorMenuAction", NULL, "_Psensor" }, /* name, stock id, label */
  62
  63   { "PreferencesAction", GTK_STOCK_PREFERENCES,     /* name, stock id */
  64     "_Preferences", NULL,                           /* label, accelerator */
  65     "Preferences",                                  /* tooltip */
  66     G_CALLBACK(cb_preferences) },
  67
  68   { "SensorPreferencesAction", GTK_STOCK_PREFERENCES,/* name, stock id */
  69     "_Sensor Preferences", NULL,                     /* label, accelerator */
  70     "Sensor Preferences",                            /* tooltip */
  71     G_CALLBACK(cb_sensor_preferences) },
  72
  73   { "AboutAction", NULL,
  74     "_About", NULL,
  75     "About",
  76     G_CALLBACK(cb_about) },
  77
  78   { "QuitAction",
  79     GTK_STOCK_QUIT, "_Quit", NULL, "Quit", G_CALLBACK(cb_menu_quit) }
  80 };
  81 static guint n_entries = G_N_ELEMENTS(entries);
  82
  83 static GtkWidget *get_menu(struct ui_psensor *ui)
  84 {
  85         GtkActionGroup      *action_group;
  86         GtkUIManager        *menu_manager;
  87         GError              *error;
  88
  89         action_group = gtk_action_group_new("PsensorActions");
  90         gtk_action_group_set_translation_domain(action_group, PACKAGE);
  91         menu_manager = gtk_ui_manager_new();
  92
  93         gtk_action_group_add_actions(action_group, entries, n_entries, ui);
  94         gtk_ui_manager_insert_action_group(menu_manager, action_group, 0);
  95
  96         error = NULL;
  97         gtk_ui_manager_add_ui_from_string(menu_manager, menu_desc, -1, &error);
  98
  99         if (error)
 100                 g_error(_("building menus failed: %s"), error->message);
 101
 102         return gtk_ui_manager_get_widget(menu_manager, "/MainMenu");
 103 }
 104
 105
 106 static int
 107 on_graph_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
 108 {
 109         GtkWidget *menu;
 110
 111         if (event->type != GDK_BUTTON_PRESS)
 112                 return FALSE;
 113
 114         menu = get_menu((struct ui_psensor *)data);
 115
 116         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
 117                        event->button, event->time);
 118
 119         return TRUE;
 120 }
 121
 122 static gboolean
 123 on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
 124 {
 125         struct ui_psensor *ui_psensor = (struct ui_psensor *)data;
 126
 127         graph_update(ui_psensor->sensors,
 128                      ui_psensor->w_graph, ui_psensor->config);
 129
 130         return FALSE;
 131 }
 132
 133 GtkWidget *ui_graph_create(struct ui_psensor * ui)
 134 {
 135         GtkWidget *w_graph;
 136
 137         w_graph = gtk_drawing_area_new();
 138
 139         if (GTK_MAJOR_VERSION == 2)
 140                 g_signal_connect(GTK_WIDGET(w_graph),
 141                                  "expose-event",
 142                                  G_CALLBACK(on_expose_event),
 143                                  ui);
 144         else
 145                 g_signal_connect(GTK_WIDGET(w_graph),
 146                                  "draw",
 147                                  G_CALLBACK(on_expose_event),
 148                                  ui);
 149
 150         gtk_widget_add_events(w_graph, GDK_BUTTON_PRESS_MASK);
 151
 152         g_signal_connect(GTK_WIDGET(w_graph),
 153                            "button_press_event",
 154                            (GCallback) on_graph_clicked, ui);
 155
 156         return w_graph;
 157 }