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#include <stdio.h>
#include <gtk/gtk.h>
static GtkWidget *spinner1;
void toggle_snap( GtkWidget *widget,
GtkSpinButton *spin )
{
gtk_spin_button_set_snap_to_ticks (spin, GTK_TOGGLE_BUTTON (widget)->active);
}
void toggle_numeric( GtkWidget *widget,
GtkSpinButton *spin )
{
gtk_spin_button_set_numeric (spin, GTK_TOGGLE_BUTTON (widget)->active);
}
void change_digits( GtkWidget *widget,
GtkSpinButton *spin )
{
gtk_spin_button_set_digits (GTK_SPIN_BUTTON (spinner1),
gtk_spin_button_get_value_as_int (spin));
}
void get_value( GtkWidget *widget,
gpointer data )
{
gchar buf[32];
GtkLabel *label;
GtkSpinButton *spin;
spin = GTK_SPIN_BUTTON (spinner1);
label = GTK_LABEL (g_object_get_data (G_OBJECT (widget), "user_data"));
if (GPOINTER_TO_INT (data) == 1)
sprintf (buf, "%d", gtk_spin_button_get_value_as_int (spin));
else
sprintf (buf, "%0.*f", spin->digits,
gtk_spin_button_get_value (spin));
gtk_label_set_text (label, buf);
}
int main( int argc,
char *argv[] )
{
GtkWidget *window;
GtkWidget *frame;
GtkWidget *hbox;
GtkWidget *main_vbox;
GtkWidget *vbox;
GtkWidget *vbox2;
GtkWidget *spinner2;
GtkWidget *spinner;
GtkWidget *button;
GtkWidget *label;
GtkWidget *val_label;
GtkAdjustment *adj;
/* 初始化 */
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (G_OBJECT (window), "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
gtk_window_set_title (GTK_WINDOW (window), "Spin Button");
main_vbox = gtk_vbox_new (FALSE, 5);
gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 10);
gtk_container_add (GTK_CONTAINER (window), main_vbox);
frame = gtk_frame_new ("Not accelerated");
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
gtk_container_add (GTK_CONTAINER (frame), vbox);
/* 日、月、年微调器 */
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 5);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label = gtk_label_new ("Day :");
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 31.0, 1.0,
5.0, 0.0);
spinner = gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label = gtk_label_new ("Month :");
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
adj = (GtkAdjustment *) gtk_adjustment_new (1.0, 1.0, 12.0, 1.0,
5.0, 0.0);
spinner = gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), TRUE);
gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label = gtk_label_new ("Year :");
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
adj = (GtkAdjustment *) gtk_adjustment_new (1998.0, 0.0, 2100.0,
1.0, 100.0, 0.0);
spinner = gtk_spin_button_new (adj, 0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner), FALSE);
gtk_widget_set_size_request (spinner, 55, -1);
gtk_box_pack_start (GTK_BOX (vbox2), spinner, FALSE, TRUE, 0);
frame = gtk_frame_new ("Accelerated");
gtk_box_pack_start (GTK_BOX (main_vbox), frame, TRUE, TRUE, 0);
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 5);
gtk_container_add (GTK_CONTAINER (frame), vbox);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label = gtk_label_new ("Value :");
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
adj = (GtkAdjustment *) gtk_adjustment_new (0.0, -10000.0, 10000.0,
0.5, 100.0, 0.0);
spinner1 = gtk_spin_button_new (adj, 1.0, 2);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner1), TRUE);
gtk_widget_set_size_request (spinner1, 100, -1);
gtk_box_pack_start (GTK_BOX (vbox2), spinner1, FALSE, TRUE, 0);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox2, TRUE, TRUE, 5);
label = gtk_label_new ("Digits :");
gtk_misc_set_alignment (GTK_MISC (label), 0, 0.5);
gtk_box_pack_start (GTK_BOX (vbox2), label, FALSE, TRUE, 0);
adj = (GtkAdjustment *) gtk_adjustment_new (2, 1, 5, 1, 1, 0);
spinner2 = gtk_spin_button_new (adj, 0.0, 0);
gtk_spin_button_set_wrap (GTK_SPIN_BUTTON (spinner2), TRUE);
g_signal_connect (G_OBJECT (adj), "value_changed",
G_CALLBACK (change_digits),
spinner2);
gtk_box_pack_start (GTK_BOX (vbox2), spinner2, FALSE, TRUE, 0);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
button = gtk_check_button_new_with_label ("Snap to 0.5-ticks");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (toggle_snap),
spinner1);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
button = gtk_check_button_new_with_label ("Numeric only input mode");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (toggle_numeric),
spinner1);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (button), TRUE);
val_label = gtk_label_new ("");
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 5);
button = gtk_button_new_with_label ("Value as Int");
g_object_set_data (G_OBJECT (button), "user_data", val_label);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (get_value),
GINT_TO_POINTER (1));
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
button = gtk_button_new_with_label ("Value as Float");
g_object_set_data (G_OBJECT (button), "user_data", val_label);
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (get_value),
GINT_TO_POINTER (2));
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
gtk_box_pack_start (GTK_BOX (vbox), val_label, TRUE, TRUE, 0);
gtk_label_set_text (GTK_LABEL (val_label), "0");
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (main_vbox), hbox, FALSE, TRUE, 0);
button = gtk_button_new_with_label ("Close");
g_signal_connect_swapped (G_OBJECT (button), "clicked",
G_CALLBACK (gtk_widget_destroy),
window);
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 5);
gtk_widget_show_all (window);
/* 进入事件循环 */
gtk_main ();
return 0;
}
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