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