src/ui_graph.c

   1 /*
   2  * Copyright (C) 2010-2016 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
  22 static int
  23 on_graph_clicked(GtkWidget *widget, GdkEventButton *event, gpointer data)
  24 {
  25         if (event->type != GDK_BUTTON_PRESS)
  26                 return FALSE;
  27
  28         gtk_menu_popup(GTK_MENU(((struct ui_psensor *)data)->popup_menu),
  29                        NULL, NULL, NULL, NULL,
  30                        event->button, event->time);
  31
  32         return TRUE;
  33 }
  34
  35 static gboolean
  36 on_expose_event(GtkWidget *widget, GdkEventExpose *event, gpointer data)
  37 {
  38         struct ui_psensor *ui_psensor = (struct ui_psensor *)data;
  39
  40         graph_update(ui_psensor->sensors,
  41                      ui_get_graph(),
  42                      ui_psensor->config,
  43                      ui_psensor->main_window);
  44
  45         return FALSE;
  46 }
  47
  48 static void smooth_curves_enabled_changed_cbk(void *data)
  49 {
  50         is_smooth_curves_enabled = config_is_smooth_curves_enabled();
  51 }
  52
  53 void ui_graph_create(struct ui_psensor *ui)
  54 {
  55         GtkWidget *w_graph;
  56
  57         log_debug("ui_graph_create()");
  58
  59         w_graph = ui_get_graph();
  60
  61         is_smooth_curves_enabled = config_is_smooth_curves_enabled();
  62         g_signal_connect_after(config_get_GSettings(),
  63                                "changed::graph-smooth-curves-enabled",
  64                                G_CALLBACK(smooth_curves_enabled_changed_cbk),
  65                                NULL);
  66
  67         g_signal_connect(GTK_WIDGET(w_graph),
  68                          "draw",
  69                          G_CALLBACK(on_expose_event),
  70                          ui);
  71
  72         gtk_widget_add_events(w_graph, GDK_BUTTON_PRESS_MASK);
  73
  74         g_signal_connect(GTK_WIDGET(w_graph),
  75                          "button_press_event",
  76                          (GCallback) on_graph_clicked, ui);
  77
  78         log_debug("ui_graph_create() ends");
  79 }