2 Speedometer, shows your current speed using GPS
3 Copyright (C) 2008 Wellu Mäkinen <wellu@wellu.org>
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.
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.
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/>.
22 #include "callbacks.h"
24 #define IMAGE_PATH "/usr/share/speedometer/%d.png"
26 static void set_widget_bg_black(GtkWidget* widget) {
31 gtk_widget_modify_bg(GTK_WIDGET(widget), GTK_STATE_NORMAL, &black);
34 void load_images(AppData *appdata) {
35 g_print("Loading images\n");
38 char* path = malloc(30);
39 g_sprintf(path, IMAGE_PATH, i);
40 appdata->image_array[i] = (GtkImage*) gtk_image_new_from_file(path);
48 void reset_speed(AppData* appdata) {
50 GdkPixbuf* zero = gtk_image_get_pixbuf(appdata->image_array[0]);
52 appdata->speed_array[0] = (GtkImage*) gtk_image_new_from_pixbuf(zero);
53 appdata->speed_array[1] = (GtkImage*) gtk_image_new_from_pixbuf(zero);
54 appdata->speed_array[2] = (GtkImage*) gtk_image_new_from_pixbuf(zero);
57 guint randomize(AppData* appdata) {
59 gint32 n = g_random_int_range(0, 3);
60 GtkImage* image = appdata->speed_array[n];
62 gint32 m = g_random_int_range(0, 10);
63 GdkPixbuf* buf = gtk_image_get_pixbuf(appdata->image_array[m]);
65 g_print("Setting number %d to %d.. ", n+1, m);
67 gtk_image_set_from_pixbuf(image, buf);
68 gtk_widget_queue_draw(GTK_WIDGET(appdata->speed_array[n]));
73 void create_ui(AppData* appdata) {
78 vbox = gtk_vbox_new(FALSE, 0);
79 hbox = gtk_hbox_new(TRUE, 0);
81 GtkWidget* top_e = gtk_event_box_new();
82 GtkWidget* bottom_e = gtk_event_box_new();
84 g_signal_connect(G_OBJECT(top_e),
86 G_CALLBACK(top_event_box_button_press),
89 g_signal_connect(G_OBJECT(bottom_e),
91 G_CALLBACK(bottom_event_box_button_press),
94 g_signal_connect(G_OBJECT(appdata->window),
96 G_CALLBACK(gtk_main_quit),
99 g_signal_connect(G_OBJECT(appdata->window),
101 G_CALLBACK(key_press_cb),
104 // add three digits to the hbox
105 gtk_box_pack_start(GTK_BOX(hbox), GTK_WIDGET(appdata->speed_array[0]), FALSE, FALSE, 0);
106 gtk_box_pack_start(GTK_BOX(hbox), GTK_WIDGET(appdata->speed_array[1]), FALSE, FALSE, 0);
107 gtk_box_pack_start(GTK_BOX(hbox), GTK_WIDGET(appdata->speed_array[2]), FALSE, FALSE, 0);
109 gtk_box_pack_start_defaults(GTK_BOX(vbox), top_e); // add event box on top
110 gtk_box_pack_start_defaults(GTK_BOX(vbox), hbox); // numbers to the middle
111 gtk_box_pack_start_defaults(GTK_BOX(vbox), bottom_e); // add event box on bottom
113 gtk_container_add(GTK_CONTAINER(appdata->window), GTK_WIDGET(vbox));
116 // set backgrounds black
117 set_widget_bg_black(GTK_WIDGET(appdata->window));
118 set_widget_bg_black(bottom_e);
119 set_widget_bg_black(top_e);