Learning_GTK4_tree/tests/testlockbutton.c

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2023-12-12 11:36:42 +01:00
/* testlockbutton.c
* Copyright (C) 2011 Red Hat, Inc.
* Authors: Matthias Clasen
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <gtk/gtk.h>
#include <gio/gio.h>
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
/* a fake permission implementation */
#define G_TYPE_TEST_PERMISSION (g_test_permission_get_type ())
#define G_TEST_PERMISSION(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_TEST_PERMISSION, \
GTestPermission))
#define G_IS_TEST_PERMISSION(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_TEST_PERMISSION))
typedef struct _GTestPermission GTestPermission;
typedef struct _GTestPermissionClass GTestPermissionClass;
struct _GTestPermission
{
GPermission parent;
gboolean success;
};
struct _GTestPermissionClass
{
GPermissionClass parent_class;
};
static GType g_test_permission_get_type (void);
G_DEFINE_TYPE (GTestPermission, g_test_permission, G_TYPE_PERMISSION)
static void
g_test_permission_init (GTestPermission *test)
{
}
static gboolean
update_allowed (GTestPermission *test,
gboolean allowed,
GError **error)
{
gboolean can_acquire, can_release;
g_object_get (test,
"can-acquire", &can_acquire,
"can-release", &can_release,
NULL);
if (test->success)
{
g_permission_impl_update (G_PERMISSION (test),
allowed, can_acquire, can_release);
return TRUE;
}
else
{
g_set_error_literal (error,
G_IO_ERROR, G_IO_ERROR_FAILED, "Sorry, no luck");
return FALSE;
}
}
static gboolean
acquire (GPermission *permission,
GCancellable *cancellable,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
return update_allowed (test, TRUE, error);
}
static void
acquire_async (GPermission *permission,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *result;
g_print ("GTestPermission::acquire_async\n");
result = g_task_new ((GObject*)permission,
cancellable,
callback,
user_data);
g_task_return_boolean (result, TRUE);
g_object_unref (result);
}
static gboolean
acquire_finish (GPermission *permission,
GAsyncResult *result,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
g_print ("GTestPermission::acquire_finish\n");
return update_allowed (test, TRUE, error);
}
static gboolean
release (GPermission *permission,
GCancellable *cancellable,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
return update_allowed (test, FALSE, error);
}
static void
release_async (GPermission *permission,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *result;
result = g_task_new ((GObject*)permission,
cancellable,
callback,
user_data);
g_task_return_boolean (result, TRUE);
g_object_unref (result);
}
static gboolean
release_finish (GPermission *permission,
GAsyncResult *result,
GError **error)
{
GTestPermission *test = G_TEST_PERMISSION (permission);
return update_allowed (test, FALSE, error);
}
static void
g_test_permission_class_init (GTestPermissionClass *class)
{
GPermissionClass *permission_class = G_PERMISSION_CLASS (class);
permission_class->acquire = acquire;
permission_class->acquire_async = acquire_async;
permission_class->acquire_finish = acquire_finish;
permission_class->release = release;
permission_class->release_async = release_async;
permission_class->release_finish = release_finish;
}
static void
g_test_permission_set_success (GTestPermission *permission,
gboolean success)
{
permission->success = success;
}
static GtkWidget *allowed_button;
static GtkWidget *can_acquire_button;
static GtkWidget *can_release_button;
static GtkWidget *success_button;
static void
update_clicked (GtkButton *button, GtkLockButton *lockbutton)
{
GPermission *permission;
gboolean allowed, can_acquire, can_release;
gboolean success;
permission = gtk_lock_button_get_permission (lockbutton);
allowed = gtk_check_button_get_active (GTK_CHECK_BUTTON (allowed_button));
can_acquire = gtk_check_button_get_active (GTK_CHECK_BUTTON (can_acquire_button));
can_release = gtk_check_button_get_active (GTK_CHECK_BUTTON (can_release_button));
success = gtk_check_button_get_active (GTK_CHECK_BUTTON (success_button));
g_permission_impl_update (permission, allowed, can_acquire, can_release);
g_test_permission_set_success (G_TEST_PERMISSION (permission), success);
}
static GtkWidget *content;
static void
permission_changed (GPermission *permission,
GParamSpec *pspec)
{
gboolean allowed, can_acquire, can_release;
g_object_get (permission,
"allowed", &allowed,
"can-acquire", &can_acquire,
"can-release", &can_release,
NULL);
gtk_check_button_set_active (GTK_CHECK_BUTTON (allowed_button), allowed);
gtk_check_button_set_active (GTK_CHECK_BUTTON (can_acquire_button), can_acquire);
gtk_check_button_set_active (GTK_CHECK_BUTTON (can_release_button), can_release);
gtk_widget_set_sensitive (content, allowed);
}
int
main (int argc, char *argv[])
{
GtkWidget *window;
GtkWidget *dialog;
GtkWidget *button;
GtkWidget *box;
GtkWidget *update;
GPermission *permission;
gtk_init ();
permission = g_object_new (G_TYPE_TEST_PERMISSION, NULL);
window = gtk_window_new ();
gtk_window_set_resizable (GTK_WINDOW (window), FALSE);
box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
gtk_window_set_child (GTK_WINDOW (window), box);
allowed_button = gtk_check_button_new_with_label ("Allowed");
gtk_box_append (GTK_BOX (box), allowed_button);
can_acquire_button = gtk_check_button_new_with_label ("Can acquire");
gtk_box_append (GTK_BOX (box), can_acquire_button);
can_release_button = gtk_check_button_new_with_label ("Can release");
gtk_box_append (GTK_BOX (box), can_release_button);
success_button = gtk_check_button_new_with_label ("Will succeed");
gtk_box_append (GTK_BOX (box), success_button);
update = gtk_button_new_with_label ("Update");
gtk_box_append (GTK_BOX (box), update);
g_signal_connect (permission, "notify",
G_CALLBACK (permission_changed), NULL);
button = gtk_lock_button_new (permission);
g_signal_connect (update, "clicked",
G_CALLBACK (update_clicked), button);
dialog = gtk_dialog_new_with_buttons ("Dialog", NULL, 0,
"Close", GTK_RESPONSE_CLOSE,
"Some other action", GTK_RESPONSE_APPLY,
NULL);
gtk_window_set_resizable (GTK_WINDOW (dialog), FALSE);
content = gtk_box_new (GTK_ORIENTATION_VERTICAL, 5);
gtk_box_append (GTK_BOX (content), gtk_check_button_new_with_label ("Control 1"));
gtk_box_append (GTK_BOX (content), gtk_check_button_new_with_label ("Control 2"));
gtk_widget_set_sensitive (content, FALSE);
gtk_box_append (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), content);
gtk_box_append (GTK_BOX (gtk_dialog_get_content_area (GTK_DIALOG (dialog))), button);
gtk_window_present (GTK_WINDOW (window));
gtk_window_present (GTK_WINDOW (dialog));
while (TRUE)
g_main_context_iteration (NULL, TRUE);
return 0;
}