src/ui_graph.c

   1 /*
   2  * Copyright (C) 2010-2013 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 int
  25 on_graph_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
  26 {
  27         if (event->type != GDK_BUTTON_PRESS)
  28                 return FALSE;
  29
  30         gtk_menu_popup(GTK_MENU(((struct ui_psensor *)data)->popup_menu),
  31                        NULL, NULL, NULL, NULL,
  32                        event->button, event->time);
  33
  34         return TRUE;
  35 }
  36
  37 static gboolean
  38 on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
  39 {
  40         struct ui_psensor *ui_psensor = (struct ui_psensor *)data;
  41
  42         graph_update(ui_psensor->sensors,
  43                      ui_psensor->w_graph,
  44                      ui_psensor->config,
  45                      ui_psensor->main_window);
  46
  47         return FALSE;
  48 }
  49
  50 GtkWidget *ui_graph_create(struct ui_psensor *ui)
  51 {
  52         GtkWidget *w_graph;
  53
  54         w_graph = gtk_drawing_area_new();
  55
  56         g_signal_connect(GTK_WIDGET(w_graph),
  57                          "draw",
  58                          G_CALLBACK(on_expose_event),
  59                          ui);
  60
  61         gtk_widget_add_events(w_graph, GDK_BUTTON_PRESS_MASK);
  62
  63         g_signal_connect(GTK_WIDGET(w_graph),
  64                          "button_press_event",
  65                          (GCallback) on_graph_clicked, ui);
  66
  67         return w_graph;
  68 }