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
  25 cb_preferences(gpointer data, guint callback_action, GtkWidget *item)
  26 {
  27         ui_pref_dialog_run((struct ui_psensor *)data);
  28 }
  29
  30 static GtkItemFactoryEntry menu_items[] = {
  31         {N_("/Preferences"),
  32          NULL, cb_preferences, 0, "<Item>"},
  33
  34         {"/sep1",
  35          NULL, NULL, 0, "<Separator>"},
  36
  37         {N_("/Quit"),
  38          "", ui_psensor_exit, 0, "<StockItem>", GTK_STOCK_QUIT},
  39 };
  40
  41 static gint nmenu_items = sizeof(menu_items) / sizeof(menu_items[0]);
  42
  43 GtkWidget *ui_graph_create_popupmenu(struct ui_psensor *ui)
  44 {
  45         GtkItemFactory *item_factory;
  46
  47         item_factory = gtk_item_factory_new(GTK_TYPE_MENU, "<main>", NULL);
  48         gtk_item_factory_create_items(item_factory,
  49                                       nmenu_items, menu_items, ui);
  50         return gtk_item_factory_get_widget(item_factory, "<main>");
  51 }
  52
  53 int on_graph_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
  54 {
  55         GtkWidget *menu;
  56
  57         if (event->type != GDK_BUTTON_PRESS)
  58                 return FALSE;
  59
  60         menu = ui_graph_create_popupmenu((struct ui_psensor *)data);
  61
  62         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL,
  63                        event->button, event->time);
  64
  65         return TRUE;
  66 }
  67
  68 gboolean
  69 on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
  70 {
  71         struct ui_psensor *ui_psensor = (struct ui_psensor *)data;
  72
  73         graph_update(ui_psensor->sensors,
  74                      ui_psensor->w_graph, ui_psensor->config);
  75
  76         return FALSE;
  77 }
  78
  79 GtkWidget *ui_graph_create(struct ui_psensor * ui)
  80 {
  81         GtkWidget *w_graph;
  82
  83         w_graph = gtk_drawing_area_new();
  84
  85         g_signal_connect(G_OBJECT(w_graph),
  86                          "expose-event", G_CALLBACK(on_expose_event), ui);
  87
  88         gtk_widget_add_events(w_graph, GDK_BUTTON_PRESS_MASK);
  89         gtk_signal_connect(GTK_OBJECT(w_graph),
  90                            "button_press_event",
  91                            (GCallback) on_graph_clicked, ui);
  92
  93         return w_graph;
  94 }