Gtk

Gtk.

/* helloWorld-3.c
 * Kompileras med:
 * gcc -Wall helloWorld-3.c -o helloWorld-3 `pkg-config --cflags --libs gtk+-2.0` 
 */

#include <gtk/gtk.h>

/* Our callback.
 * The data passed to this function is printed to stdout */
static void callback( GtkWidget *widget,
                      gpointer   data )
{
    g_print ("Hello again - %s was pressed\n", (char *) data);
}

/* This callback quits the program */
static gboolean delete_event( GtkWidget *widget,
                              GdkEvent  *event,
                              gpointer   data )
{
    gtk_main_quit ();
    return FALSE;
}

int main( int   argc,
          char *argv[] )
{
    GtkWidget *window;
    GtkWidget *button;
    GtkWidget *table;

    gtk_init (&argc, &argv);

    /* Create a new window */
    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);

    /* Set the window title */
    gtk_window_set_title (GTK_WINDOW (window), "Table");

    /* Set a handler for delete_event that immediately
     * exits GTK. */
    g_signal_connect (window, "delete-event",
                      G_CALLBACK (delete_event), NULL);

    /* Sets the border width of the window. */
    gtk_container_set_border_width (GTK_CONTAINER (window), 20);

    /* Create a 2x2 table */
    table = gtk_table_new (2, 2, TRUE);

    /* Put the table in the main window */
    gtk_container_add (GTK_CONTAINER (window), table);

    /* Create first button */
    button = gtk_button_new_with_label ("button 1");

    /* When the button is clicked, we call the "callback" function
     * with a pointer to "button 1" as its argument */
    g_signal_connect (button, "clicked",
	              G_CALLBACK (callback), (gpointer) "button 1");


    /* Insert button 1 into the upper left quadrant of the table */
    gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 1, 0, 1);

    gtk_widget_show (button);

    /* Create second button */

    button = gtk_button_new_with_label ("button 2");

    /* When the button is clicked, we call the "callback" function
     * with a pointer to "button 2" as its argument */
    g_signal_connect (button, "clicked",
                      G_CALLBACK (callback), (gpointer) "button 2");
    /* Insert button 2 into the upper right quadrant of the table */
    gtk_table_attach_defaults (GTK_TABLE (table), button, 1, 2, 0, 1);

    gtk_widget_show (button);

    /* Create "Quit" button */
    button = gtk_button_new_with_label ("Quit");

    /* When the button is clicked, we call the "delete-event" function
     * and the program exits */
    g_signal_connect (button, "clicked",
                      G_CALLBACK (delete_event), NULL);

    /* Insert the quit button into the both 
     * lower quadrants of the table */
    gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 2, 1, 2);

    gtk_widget_show (button);

    gtk_widget_show (table);
    gtk_widget_show (window);

    gtk_main ();

    return 0;
}

/****************************************
* gtk-led.c
*
* Kompilera: gcc -Wall -lwiringPi -o gtk-led gtk-led.c `pkg-config --libs --cflags gtk+-2.0`
* Exekvera:  ./gtk-led
*****************************************/

#include <gtk/gtk.h>

#include <wiringPi.h>  
#include <stdio.h>  
#include <stdlib.h>  

  int i=0;
  
void print_msg(GtkWidget *widget, gpointer window) {
  printf("Button clicked.\n");
  int ledPin = 23; 		//  RPi-pinne nr 33, GPIO 23
  int ledPin2 = 29;		//  RPi-pinne nr 40, GPIO 29
  pinMode(ledPin, OUTPUT);
  pinMode(ledPin2, OUTPUT);

  if (i==0){
	digitalWrite(ledPin, HIGH); // On
	digitalWrite(ledPin2, LOW); // Off
	i=1;
  }  
  else{
	digitalWrite(ledPin, LOW);   // Off
	digitalWrite(ledPin2, HIGH); // On
	i=0;
  }  
}  

void avsluta(GtkWidget *widget, gpointer window) {
  printf("Avsluta.\n");
  int ledPin = 23; 		//  RPi-pinne nr 33, GPIO 23
  int ledPin2 = 29;		//  RPi-pinne nr 40, GPIO 29
  pinMode(ledPin, OUTPUT);
  pinMode(ledPin2, OUTPUT);

  digitalWrite(ledPin, LOW);  // Off
  digitalWrite(ledPin2, LOW); // Off
  
  
} 
 

int main(int argc, char *argv[]) {

//   int i = 0;
   int ledPin = 23; 		//  RPi-pinne nr 33, GPIO 23
   int ledPin2 = 29;		//  RPi-pinne nr 40, GPIO 29

  GtkWidget *window;
  GtkWidget *fixed;
  GtkWidget *btn1;
  GtkWidget *btn2;

  gtk_init(&argc, &argv);
  
  if (wiringPiSetup() == -1)  
	exit (1);  

  pinMode(ledPin, OUTPUT);
  pinMode(ledPin2, OUTPUT);

  

  window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  gtk_window_set_title(GTK_WINDOW(window), "Gtk-led");
  gtk_window_set_default_size(GTK_WINDOW(window), 300, 100);
  gtk_container_set_border_width(GTK_CONTAINER(window), 15);
  gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);

  fixed =gtk_fixed_new();
  gtk_container_add(GTK_CONTAINER(window), fixed);
  
  btn1 = gtk_button_new_with_label("Button LED");
  gtk_fixed_put(GTK_FIXED(fixed), btn1, 15, 15);
  gtk_widget_set_size_request(btn1, 90, 30);

  btn2 = gtk_button_new_with_label("QUIT");
  gtk_fixed_put(GTK_FIXED(fixed), btn2, 120, 15);
  gtk_widget_set_size_request(btn2, 80, 30);


  g_signal_connect(btn1, "clicked", G_CALLBACK(print_msg), NULL); 

  g_signal_connect(btn2, "clicked", G_CALLBACK(avsluta), NULL); 

      
  g_signal_connect(btn2, "clicked", 
      G_CALLBACK(gtk_main_quit), NULL); 
             
  
  gtk_widget_show_all(window);
  
  g_signal_connect(window, "destroy",
      G_CALLBACK(gtk_main_quit), NULL);  

  gtk_main();

  return 0;
}

Erfarenheter av Raspberry Pi.