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User input/Graphical: Difference between revisions
C
m (→{{header|Java}}: formatting) |
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ExitApp
Return</lang>
=={{header|C}}==
{{libheader|GTK}}
<lang c>#include <gtk/gtk.h>
void ok_hit(GtkButton *o, GtkWidget **w)
{
GtkMessageDialog *msg;
gdouble v = gtk_spin_button_get_value((GtkSpinButton *)w[1]);
const gchar *c = gtk_entry_get_text((GtkEntry *)w[0]);
msg = (GtkMessageDialog *)
gtk_message_dialog_new(NULL,
GTK_DIALOG_MODAL,
(v==75000) ? GTK_MESSAGE_INFO : GTK_MESSAGE_ERROR,
GTK_BUTTONS_OK,
"You wrote '%s' and selected the number %d%s",
c, (gint)v,
(v==75000) ? "" : " which is wrong (75000 expected)!");
gtk_widget_show_all(GTK_WIDGET(msg));
(void)gtk_dialog_run(GTK_DIALOG(msg));
gtk_widget_destroy(GTK_WIDGET(msg));
if ( v==75000 ) gtk_main_quit();
}
int main(int argc, char **argv)
{
GtkWindow *win;
GtkEntry *entry;
GtkSpinButton *spin;
GtkButton *okbutton;
GtkLabel *entry_l, *spin_l;
GtkHBox *hbox[2];
GtkVBox *vbox;
GtkWidget *widgs[3];
gtk_init(&argc, &argv);
win = (GtkWindow *)gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(win, "Insert values");
entry_l = (GtkLabel *)gtk_label_new("Insert a string");
spin_l = (GtkLabel *)gtk_label_new("Insert 75000");
entry = (GtkEntry *)gtk_entry_new();
spin = (GtkSpinButton *)gtk_spin_button_new_with_range(0, 80000, 1);
widgs[0] = GTK_WIDGET(entry);
widgs[1] = GTK_WIDGET(spin);
widgs[2] = GTK_WIDGET(win);
okbutton = (GtkButton *)gtk_button_new_with_label("Ok");
hbox[0] = (GtkHBox *)gtk_hbox_new(FALSE, 1);
hbox[1] = (GtkHBox *)gtk_hbox_new(FALSE, 1);
vbox = (GtkVBox *)gtk_vbox_new(TRUE, 1);
gtk_container_add(GTK_CONTAINER(hbox[0]), GTK_WIDGET(entry_l));
gtk_container_add(GTK_CONTAINER(hbox[0]), GTK_WIDGET(entry));
gtk_container_add(GTK_CONTAINER(hbox[1]), GTK_WIDGET(spin_l));
gtk_container_add(GTK_CONTAINER(hbox[1]), GTK_WIDGET(spin));
gtk_container_add(GTK_CONTAINER(vbox), GTK_WIDGET(hbox[0]));
gtk_container_add(GTK_CONTAINER(vbox), GTK_WIDGET(hbox[1]));
gtk_container_add(GTK_CONTAINER(vbox), GTK_WIDGET(okbutton));
gtk_container_add(GTK_CONTAINER(win), GTK_WIDGET(vbox));
g_signal_connect(G_OBJECT(win), "delete-event", (GCallback)gtk_main_quit, NULL);
g_signal_connect(G_OBJECT(okbutton), "clicked", (GCallback)ok_hit, widgs);
gtk_widget_show_all(GTK_WIDGET(win));
gtk_main();
return 0;
}</lang>
=={{header|Java}}==
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