This switch toggles the title of the window.
#include <gtk/gtk.h>
/*Signal handler for the "active" signal of the Switch*/
static void
activate_cb (GObject *switcher,
GParamSpec *pspec,
gpointer user_data)
{
GtkWindow *window = user_data;
if (gtk_switch_get_active (GTK_SWITCH (switcher)))
gtk_window_set_title (GTK_WINDOW (window), "Switch Example");
else
gtk_window_set_title (GTK_WINDOW (window), "");
}
static void
activate (GtkApplication *app,
gpointer user_data)
{
GtkWidget *grid;
GtkWidget *window;
GtkWidget *label;
GtkWidget *switcher;
/*Create a window with a set title and default size.
Also, set a border width for the amount of space to leave
inside the window*/
window = gtk_application_window_new (app);
gtk_window_set_title (GTK_WINDOW (window), "Switch Example");
gtk_window_set_default_size (GTK_WINDOW (window), 300, 100);
gtk_container_set_border_width (GTK_CONTAINER (window), 10);
/*Create a label*/
label = gtk_label_new ("Title");
/*Create a switch with a default active state*/
switcher = gtk_switch_new ();
gtk_switch_set_active (GTK_SWITCH (switcher), TRUE);
/*Create a grid and set the column spacing, attach the label and
switch onto the grid and position them accordingly*/
grid = gtk_grid_new();
gtk_grid_set_column_spacing (GTK_GRID (grid), 10);
gtk_grid_attach (GTK_GRID (grid), label, 0, 0, 1, 1);
gtk_grid_attach (GTK_GRID (grid), switcher, 1, 0, 1, 1);
/*Connecting the clicked signal to the callback function*/
g_signal_connect (GTK_SWITCH (switcher),
"notify::active",
G_CALLBACK (activate_cb),
window);
gtk_container_add (GTK_CONTAINER (window), GTK_WIDGET (grid));
gtk_widget_show_all (window);
}
int
main (int argc, char **argv)
{
GtkApplication *app;
int status;
app = gtk_application_new ("org.gtk.example", G_APPLICATION_FLAGS_NONE);
g_signal_connect (app, "activate", G_CALLBACK (activate), NULL);
status = g_application_run (G_APPLICATION (app), argc, argv);
g_object_unref (app);
return status;
}
In this sample we used the following:
GtkApplication
GtkWindow
GtkLabel
GtkSwitch
GtkGrid