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| #include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
/*VARIABLES D'ENVIRONNEMENT*/
GtkWidget * p_win = NULL;
GtkWidget * p_vbox = NULL;
GtkWidget * p_entry [3];
GtkWidget * p_label [3];
GtkWidget * p_button [1];
typedef struct
{
double op1;
double op2;
double resultat;
}
operandes;
void cb_activate (GtkEntry * p_wid, gpointer p_data)
{
GtkEntry * p_entry = (GtkEntry *) p_data;
g_return_if_fail (p_wid != NULL);
g_return_if_fail (p_data != NULL);
gtk_widget_grab_focus (GTK_WIDGET (p_entry));
}
void cb_clicked (GtkButton * p_wid, gpointer p_data)
{
char buff [20];
operandes * op = NULL;
g_return_if_fail (p_wid != NULL);
g_return_if_fail (p_data != NULL);
op = (operandes *) p_data;
op->op1 = strtod (gtk_entry_get_text (GTK_ENTRY (p_entry[0])), NULL);
op->op2 = strtod (gtk_entry_get_text (GTK_ENTRY (p_entry[1])), NULL);
op->resultat = op->op1 + op->op2;
sprintf (buff, "%.3f", op->resultat);
buff [strlen (buff) - 1] = '\0';
gtk_entry_set_text (GTK_ENTRY (p_entry[2]), buff);
}
int main (int argc, char ** argv)
{
/*VARIABLES DE CALCUL*/
operandes op;
gtk_init (& argc, & argv);
p_win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (p_win), "GtkEntry...");
gtk_container_set_border_width (GTK_CONTAINER (p_win), 5);
g_signal_connect (
G_OBJECT (p_win), "destroy",
G_CALLBACK (gtk_main_quit), NULL
);
p_vbox = gtk_vbox_new (TRUE, 5);
gtk_container_add (GTK_CONTAINER (p_win), p_vbox);
/*MISE EN PLACE DES ELEMENTS DE LA FENETRE*/
p_entry[0] = gtk_entry_new ();
p_entry[1] = gtk_entry_new ();
p_entry[2] = gtk_entry_new ();
p_label[0] = gtk_label_new("TAPEZ VOTRE 1er NOMBRE ");
p_label[1] = gtk_label_new("TAPEZ VOTRE 2eme NOMBRE ");
p_label[2] = gtk_label_new("RESULTAT DE L'ADDITION =");
p_button[0] = gtk_button_new_with_label("VALIDATION");
gtk_entry_set_alignment (GTK_ENTRY (p_entry[0]), 1);
gtk_entry_set_alignment (GTK_ENTRY (p_entry[1]), 1);
gtk_entry_set_alignment (GTK_ENTRY (p_entry[2]), 1);
gtk_box_pack_start(GTK_BOX(p_vbox), p_label[0], TRUE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (p_vbox), p_entry[0], TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(p_vbox), p_label[1], TRUE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (p_vbox), p_entry[1], TRUE, TRUE, 5);
gtk_box_pack_start(GTK_BOX(p_vbox), p_button[0], TRUE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(p_vbox), p_label[2], TRUE, FALSE, 0);
gtk_box_pack_start (GTK_BOX (p_vbox), p_entry[2], TRUE, TRUE, 5);
g_signal_connect (
G_OBJECT (p_button[0]), "clicked",
G_CALLBACK (cb_clicked), (void *) &op
);
g_signal_connect (
G_OBJECT (p_entry[0]), "activate",
G_CALLBACK (cb_activate), (GtkEntry *) p_entry[1]
);
gtk_widget_show_all (p_win);
gtk_main ();
return 0;
} |
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