git.maemo.org Git - speedometer/blob - callbacks.c

   1 /****
   2         Speedometer, shows your current speed using GPS
   3         Copyright (C) 2008 Wellu Mäkinen <wellu@wellu.org>
   4
   5         This program is free software: you can redistribute it and/or modify
   6         it under the terms of the GNU General Public License as published by
   7         the Free Software Foundation, either version 3 of the License, or
   8         (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13         GNU General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License
  16         along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 ****/
  18
  19 #include <math.h>
  20
  21 #include "callbacks.h"
  22 #include "appdata.h"
  23 #include "util.h"
  24
  25 // this is just here for debugging
  26 static void print_location(LocationGPSDevice* device) {
  27         g_print("Latitude: %.2f\n"
  28                         "Longitude: %.2f\n"
  29                         "Altitude: %.2f\n"
  30                         "Speed: %.2d\n",
  31                         device->fix->latitude,
  32                         device->fix->longitude,
  33                         device->fix->altitude,
  34                         device->fix->speed);
  35 }
  36
  37 void location_changed(LocationGPSDevice* device, gpointer data) {
  38         //print_location(device);
  39         g_assert(data);
  40         g_assert(device);
  41
  42         AppData* appdata = (AppData*) data;
  43
  44         // check for NaN before passing values
  45         if(device->fix->fields & LOCATION_GPS_DEVICE_SPEED_SET) {
  46                 if(!isnan(device->fix->speed)) {
  47                         interpret_speed_from_gps(appdata, device->fix->speed);
  48                         }
  49         }
  50 }
  51
  52 gboolean key_press_cb(GtkWidget* widget, GdkEventKey* event, HildonWindow* window) {
  53         switch (event->keyval) {
  54         case GDK_Up:
  55                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Navigation Key Up");
  56                 return TRUE;
  57
  58         case GDK_Down:
  59                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Navigation Key Down");
  60                 return TRUE;
  61
  62         case GDK_Left:
  63                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Navigation Key Left");
  64                 return TRUE;
  65
  66         case GDK_Right:
  67                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Navigation Key Right");
  68                 return TRUE;
  69
  70         case GDK_Return:
  71                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Navigation Key select");
  72                 return TRUE;
  73
  74         case GDK_F6:
  75                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Full screen");
  76                 return TRUE;
  77
  78         case GDK_F7:
  79                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Increase (zoom in)");
  80                 return TRUE;
  81
  82         case GDK_F8:
  83                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Decrease (zoom out)");
  84                 return TRUE;
  85
  86         case GDK_Escape:
  87                 hildon_banner_show_information(GTK_WIDGET(window), NULL, "Cancel/Close");
  88                 return TRUE;
  89         }
  90
  91         return FALSE;
  92 }
  93
  94 gboolean top_event_box_button_press(GtkWidget* widget, GdkEventButton* event, gpointer data) {
  95         gdouble x = event->x;
  96         g_print("Top event box pressed at: %f\n", x);
  97         AppData* appdata = (AppData*) data;
  98
  99         if(x > 750) {
 100                 g_print("Exiting..\n");
 101                 stop_gps(appdata);
 102                 g_signal_emit_by_name(appdata->window, "delete_event");
 103         }
 104         else {
 105                 randomize(appdata);
 106         }
 107         return TRUE;
 108 }
 109
 110
 111 gboolean bottom_event_box_button_press(GtkWidget* widget, GdkEventButton* event, gpointer data) {
 112         gdouble x = event->x;
 113         g_print("Bottom event box pressed at: %f\n", x);
 114         AppData* appdata = (AppData*) data;
 115
 116         randomize(data);
 117         return TRUE;
 118 }
 119