gtk/tests/testswitch.c

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4.9 KiB
C
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#include <stdlib.h>
#include <gtk/gtk.h>
static gboolean
boolean_to_text (GBinding *binding,
const GValue *source,
GValue *target,
gpointer dummy G_GNUC_UNUSED)
{
if (g_value_get_boolean (source))
g_value_set_string (target, "Enabled");
else
g_value_set_string (target, "Disabled");
return TRUE;
}
static GtkWidget *
make_switch (gboolean is_on,
gboolean is_sensitive)
{
GtkWidget *hbox;
GtkWidget *sw, *label;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
sw = gtk_switch_new ();
gtk_switch_set_active (GTK_SWITCH (sw), is_on);
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gtk_box_pack_start (GTK_BOX (hbox), sw, FALSE, FALSE);
gtk_widget_set_sensitive (sw, is_sensitive);
gtk_widget_show (sw);
label = gtk_label_new (is_on ? "Enabled" : "Disabled");
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gtk_box_pack_end (GTK_BOX (hbox), label, TRUE, TRUE);
gtk_widget_show (label);
g_object_bind_property_full (sw, "active",
label, "label",
G_BINDING_DEFAULT,
boolean_to_text,
NULL,
NULL, NULL);
return hbox;
}
typedef struct {
GtkSwitch *sw;
gboolean state;
} SetStateData;
static gboolean
set_state_delayed (gpointer data)
{
SetStateData *d = data;
gtk_switch_set_state (d->sw, d->state);
g_object_set_data (G_OBJECT (d->sw), "timeout", NULL);
return G_SOURCE_REMOVE;
}
static gboolean
set_state (GtkSwitch *sw, gboolean state, gpointer data)
{
SetStateData *d;
guint id;
id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (sw), "timeout"));
if (id != 0)
g_source_remove (id);
d = g_new (SetStateData, 1);
d->sw = sw;
d->state = state;
id = g_timeout_add_full (G_PRIORITY_DEFAULT, 2000, set_state_delayed, d, g_free);
g_object_set_data (G_OBJECT (sw), "timeout", GUINT_TO_POINTER (id));
return TRUE;
}
static void
sw_delay_notify (GObject *obj, GParamSpec *pspec, gpointer data)
{
GtkWidget *spinner = data;
gboolean active;
gboolean state;
g_object_get (obj,
"active", &active,
"state", &state,
NULL);
if (active != state)
{
gtk_spinner_start (GTK_SPINNER (spinner));
gtk_widget_set_opacity (spinner, 1.0);
}
else
{
gtk_widget_set_opacity (spinner, 0.0);
gtk_spinner_stop (GTK_SPINNER (spinner));
}
}
static GtkWidget *
make_delayed_switch (gboolean is_on,
gboolean is_sensitive)
{
GtkWidget *hbox;
GtkWidget *sw, *label, *spinner, *check;
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
sw = gtk_switch_new ();
gtk_switch_set_active (GTK_SWITCH (sw), is_on);
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gtk_box_pack_start (GTK_BOX (hbox), sw, FALSE, FALSE);
gtk_widget_set_sensitive (sw, is_sensitive);
gtk_widget_show (sw);
g_signal_connect (sw, "state-set", G_CALLBACK (set_state), NULL);
spinner = gtk_spinner_new ();
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gtk_box_pack_start (GTK_BOX (hbox), spinner, FALSE, TRUE);
gtk_widget_set_opacity (spinner, 0.0);
gtk_widget_show (spinner);
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check = gtk_check_button_new ();
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gtk_box_pack_end (GTK_BOX (hbox), check, FALSE, TRUE);
gtk_widget_show (check);
g_object_bind_property (sw, "state",
check, "active",
G_BINDING_BIDIRECTIONAL | G_BINDING_SYNC_CREATE);
label = gtk_label_new (is_on ? "Enabled" : "Disabled");
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gtk_box_pack_end (GTK_BOX (hbox), label, TRUE, TRUE);
gtk_widget_show (label);
g_object_bind_property_full (sw, "active",
label, "label",
G_BINDING_DEFAULT,
boolean_to_text,
NULL,
NULL, NULL);
g_signal_connect (sw, "notify", G_CALLBACK (sw_delay_notify), spinner);
return hbox;
}
int main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *vbox, *hbox;
gtk_init (&argc, &argv);
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
gtk_window_set_title (GTK_WINDOW (window), "GtkSwitch");
gtk_window_set_default_size (GTK_WINDOW (window), 400, -1);
g_signal_connect (window, "destroy", G_CALLBACK (gtk_main_quit), NULL);
gtk_widget_show (window);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
gtk_container_add (GTK_CONTAINER (window), vbox);
gtk_widget_show (vbox);
hbox = make_switch (FALSE, TRUE);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_widget_show (hbox);
hbox = make_switch (TRUE, TRUE);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_widget_show (hbox);
hbox = make_switch (FALSE, FALSE);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_widget_show (hbox);
hbox = make_switch (TRUE, FALSE);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_widget_show (hbox);
hbox = make_delayed_switch (FALSE, TRUE);
gtk_container_add (GTK_CONTAINER (vbox), hbox);
gtk_widget_show (hbox);
gtk_main ();
return EXIT_SUCCESS;
}