mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-12-26 05:31:07 +00:00
f58d55300b
Fri May 17 13:56:23 2002 Owen Taylor <otaylor@redhat.com>
* gtk/gtkplug.c (gtk_plug_filter_func): Fix a missing
unref in the local/passive case. (#82067, Michael
Meeks)
* gtk/gtkplug.c (_gtk_plug_remove_from_socket): Fix
reference leak on the plug window.
* tests/testsocket.c (add_child): Fix memory leak.
* gtk/gtkdnd.c (gtk_drag_dest_site_destroy): Unref
the proxy window.
365 lines
8.8 KiB
C
365 lines
8.8 KiB
C
#include <gtk/gtk.h>
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
|
|
int n_children = 0;
|
|
|
|
GSList *sockets = NULL;
|
|
|
|
GtkWidget *window;
|
|
GtkWidget *vbox;
|
|
|
|
typedef struct
|
|
{
|
|
GtkWidget *box;
|
|
GtkWidget *frame;
|
|
GtkWidget *socket;
|
|
} Socket;
|
|
|
|
extern guint32 create_child_plug (guint32 xid,
|
|
gboolean local);
|
|
|
|
static void
|
|
quit_cb (gpointer callback_data,
|
|
guint callback_action,
|
|
GtkWidget *widget)
|
|
{
|
|
GtkWidget *message_dialog = gtk_message_dialog_new (GTK_WINDOW (window), 0,
|
|
GTK_MESSAGE_QUESTION,
|
|
GTK_BUTTONS_YES_NO,
|
|
"Really Quit?");
|
|
gtk_dialog_set_default_response (GTK_DIALOG (message_dialog), GTK_RESPONSE_NO);
|
|
|
|
if (gtk_dialog_run (GTK_DIALOG (message_dialog)) == GTK_RESPONSE_YES)
|
|
gtk_widget_destroy (window);
|
|
|
|
gtk_widget_destroy (message_dialog);
|
|
}
|
|
|
|
static GtkItemFactoryEntry menu_items[] =
|
|
{
|
|
{ "/_File", NULL, 0, 0, "<Branch>" },
|
|
{ "/File/_Quit", "<control>Q", quit_cb, 0 },
|
|
};
|
|
|
|
static void
|
|
socket_destroyed (GtkWidget *widget,
|
|
Socket *socket)
|
|
{
|
|
sockets = g_slist_remove (sockets, socket);
|
|
g_free (socket);
|
|
}
|
|
|
|
static void
|
|
plug_added (GtkWidget *widget,
|
|
Socket *socket)
|
|
{
|
|
g_print ("Plug added to socket\n");
|
|
|
|
gtk_widget_show (socket->socket);
|
|
gtk_widget_hide (socket->frame);
|
|
}
|
|
|
|
static gboolean
|
|
plug_removed (GtkWidget *widget,
|
|
Socket *socket)
|
|
{
|
|
g_print ("Plug removed from socket\n");
|
|
|
|
gtk_widget_hide (socket->socket);
|
|
gtk_widget_show (socket->frame);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static Socket *
|
|
create_socket (void)
|
|
{
|
|
GtkWidget *label;
|
|
|
|
Socket *socket = g_new (Socket, 1);
|
|
|
|
socket->box = gtk_vbox_new (FALSE, 0);
|
|
|
|
socket->socket = gtk_socket_new ();
|
|
|
|
gtk_box_pack_start (GTK_BOX (socket->box), socket->socket, TRUE, TRUE, 0);
|
|
|
|
socket->frame = gtk_frame_new (NULL);
|
|
gtk_frame_set_shadow_type (GTK_FRAME (socket->frame), GTK_SHADOW_IN);
|
|
gtk_box_pack_start (GTK_BOX (socket->box), socket->frame, TRUE, TRUE, 0);
|
|
gtk_widget_show (socket->frame);
|
|
|
|
label = gtk_label_new (NULL);
|
|
gtk_label_set_markup (GTK_LABEL (label), "<span color=\"red\">Empty</span>");
|
|
gtk_container_add (GTK_CONTAINER (socket->frame), label);
|
|
gtk_widget_show (label);
|
|
|
|
sockets = g_slist_prepend (sockets, socket);
|
|
|
|
|
|
g_signal_connect (G_OBJECT (socket->socket), "destroy",
|
|
G_CALLBACK (socket_destroyed), socket);
|
|
g_signal_connect (G_OBJECT (socket->socket), "plug_added",
|
|
G_CALLBACK (plug_added), socket);
|
|
g_signal_connect (G_OBJECT (socket->socket), "plug_removed",
|
|
G_CALLBACK (plug_removed), socket);
|
|
|
|
return socket;
|
|
}
|
|
|
|
void
|
|
steal (GtkWidget *window, GtkEntry *entry)
|
|
{
|
|
guint32 xid;
|
|
const gchar *text;
|
|
Socket *socket;
|
|
|
|
text = gtk_entry_get_text (entry);
|
|
|
|
xid = strtol (text, NULL, 0);
|
|
if (xid == 0)
|
|
{
|
|
g_warning ("Invalid window id '%s'\n", text);
|
|
return;
|
|
}
|
|
|
|
socket = create_socket ();
|
|
gtk_box_pack_start (GTK_BOX (vbox), socket->box, TRUE, TRUE, 0);
|
|
gtk_widget_show (socket->box);
|
|
|
|
gtk_socket_steal (GTK_SOCKET (socket->socket), xid);
|
|
}
|
|
|
|
void
|
|
remove_child (GtkWidget *window)
|
|
{
|
|
if (sockets)
|
|
{
|
|
Socket *socket = sockets->data;
|
|
gtk_widget_destroy (socket->box);
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
child_read_watch (GIOChannel *channel, GIOCondition cond, gpointer data)
|
|
{
|
|
GIOStatus status;
|
|
GError *error = NULL;
|
|
char *line;
|
|
gsize term;
|
|
int xid;
|
|
|
|
status = g_io_channel_read_line (channel, &line, NULL, &term, &error);
|
|
switch (status)
|
|
{
|
|
case G_IO_STATUS_NORMAL:
|
|
line[term] = '\0';
|
|
xid = strtol (line, NULL, 0);
|
|
if (xid == 0)
|
|
{
|
|
fprintf (stderr, "Invalid window id '%s'\n", line);
|
|
}
|
|
else
|
|
{
|
|
Socket *socket = create_socket ();
|
|
gtk_box_pack_start (GTK_BOX (vbox), socket->box, TRUE, TRUE, 0);
|
|
gtk_widget_show (socket->box);
|
|
|
|
gtk_socket_add_id (GTK_SOCKET (socket->socket), xid);
|
|
}
|
|
g_free (line);
|
|
return TRUE;
|
|
case G_IO_STATUS_AGAIN:
|
|
return TRUE;
|
|
case G_IO_STATUS_EOF:
|
|
n_children--;
|
|
g_io_channel_close (channel);
|
|
return FALSE;
|
|
case G_IO_STATUS_ERROR:
|
|
fprintf (stderr, "Error reading fd from child: %s\n", error->message);
|
|
exit (1);
|
|
return FALSE;
|
|
default:
|
|
g_assert_not_reached ();
|
|
return FALSE;
|
|
}
|
|
|
|
}
|
|
|
|
void
|
|
add_child (GtkWidget *window,
|
|
gboolean active)
|
|
{
|
|
Socket *socket;
|
|
char *argv[3] = { "./testsocket_child", NULL, NULL };
|
|
char buffer[20];
|
|
int out_fd;
|
|
GIOChannel *channel;
|
|
GError *error = NULL;
|
|
|
|
if (active)
|
|
{
|
|
socket = create_socket ();
|
|
gtk_box_pack_start (GTK_BOX (vbox), socket->box, TRUE, TRUE, 0);
|
|
gtk_widget_show (socket->box);
|
|
sprintf(buffer, "%#lx", (gulong) gtk_socket_get_id (GTK_SOCKET (socket->socket)));
|
|
argv[1] = buffer;
|
|
}
|
|
|
|
if (!g_spawn_async_with_pipes (NULL, argv, NULL, 0, NULL, NULL, NULL, NULL, &out_fd, NULL, &error))
|
|
{
|
|
fprintf (stderr, "Can't exec testsocket_child: %s\n", error->message);
|
|
exit (1);
|
|
}
|
|
|
|
n_children++;
|
|
channel = g_io_channel_unix_new (out_fd);
|
|
g_io_channel_set_flags (channel, G_IO_FLAG_NONBLOCK, &error);
|
|
if (error)
|
|
{
|
|
fprintf (stderr, "Error making channel non-blocking: %s\n", error->message);
|
|
exit (1);
|
|
}
|
|
|
|
g_io_add_watch (channel, G_IO_IN | G_IO_HUP, child_read_watch, NULL);
|
|
g_io_channel_unref (channel);
|
|
}
|
|
|
|
void
|
|
add_active_child (GtkWidget *window)
|
|
{
|
|
add_child (window, TRUE);
|
|
}
|
|
|
|
void
|
|
add_passive_child (GtkWidget *window)
|
|
{
|
|
add_child (window, FALSE);
|
|
}
|
|
|
|
void
|
|
add_local_active_child (GtkWidget *window)
|
|
{
|
|
Socket *socket;
|
|
|
|
socket = create_socket ();
|
|
gtk_box_pack_start (GTK_BOX (vbox), socket->box, TRUE, TRUE, 0);
|
|
gtk_widget_show (socket->box);
|
|
|
|
create_child_plug (gtk_socket_get_id (GTK_SOCKET (socket->socket)), TRUE);
|
|
}
|
|
|
|
void
|
|
add_local_passive_child (GtkWidget *window)
|
|
{
|
|
Socket *socket;
|
|
GdkNativeWindow xid;
|
|
|
|
socket = create_socket ();
|
|
gtk_box_pack_start (GTK_BOX (vbox), socket->box, TRUE, TRUE, 0);
|
|
gtk_widget_show (socket->box);
|
|
|
|
xid = create_child_plug (0, TRUE);
|
|
gtk_socket_add_id (GTK_SOCKET (socket->socket), xid);
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
GtkWidget *button;
|
|
GtkWidget *hbox;
|
|
GtkWidget *entry;
|
|
GtkAccelGroup *accel_group;
|
|
GtkItemFactory *item_factory;
|
|
|
|
gtk_init (&argc, &argv);
|
|
|
|
window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
|
|
gtk_signal_connect (GTK_OBJECT (window), "destroy",
|
|
(GtkSignalFunc) gtk_main_quit, NULL);
|
|
|
|
gtk_window_set_title (GTK_WINDOW (window), "Socket Test");
|
|
gtk_container_set_border_width (GTK_CONTAINER (window), 0);
|
|
|
|
vbox = gtk_vbox_new (FALSE, 0);
|
|
gtk_container_add (GTK_CONTAINER (window), vbox);
|
|
|
|
accel_group = gtk_accel_group_new ();
|
|
gtk_window_add_accel_group (GTK_WINDOW (window), accel_group);
|
|
item_factory = gtk_item_factory_new (GTK_TYPE_MENU_BAR, "<main>", accel_group);
|
|
|
|
|
|
gtk_item_factory_create_items (item_factory,
|
|
G_N_ELEMENTS (menu_items), menu_items,
|
|
NULL);
|
|
|
|
gtk_box_pack_start (GTK_BOX (vbox),
|
|
gtk_item_factory_get_widget (item_factory, "<main>"),
|
|
FALSE, FALSE, 0);
|
|
|
|
button = gtk_button_new_with_label ("Add Active Child");
|
|
gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect_object (GTK_OBJECT(button), "clicked",
|
|
GTK_SIGNAL_FUNC(add_active_child),
|
|
GTK_OBJECT(vbox));
|
|
|
|
button = gtk_button_new_with_label ("Add Passive Child");
|
|
gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect_object (GTK_OBJECT(button), "clicked",
|
|
GTK_SIGNAL_FUNC(add_passive_child),
|
|
GTK_OBJECT(vbox));
|
|
|
|
button = gtk_button_new_with_label ("Add Local Active Child");
|
|
gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect_object (GTK_OBJECT(button), "clicked",
|
|
GTK_SIGNAL_FUNC(add_local_active_child),
|
|
GTK_OBJECT(vbox));
|
|
|
|
button = gtk_button_new_with_label ("Add Local Passive Child");
|
|
gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect_object (GTK_OBJECT(button), "clicked",
|
|
GTK_SIGNAL_FUNC(add_local_passive_child),
|
|
GTK_OBJECT(vbox));
|
|
|
|
button = gtk_button_new_with_label ("Remove Last Child");
|
|
gtk_box_pack_start (GTK_BOX(vbox), button, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect_object (GTK_OBJECT(button), "clicked",
|
|
GTK_SIGNAL_FUNC(remove_child),
|
|
GTK_OBJECT(vbox));
|
|
|
|
hbox = gtk_hbox_new (FALSE, 0);
|
|
gtk_box_pack_start (GTK_BOX(vbox), hbox, FALSE, FALSE, 0);
|
|
|
|
entry = gtk_entry_new ();
|
|
gtk_box_pack_start (GTK_BOX(hbox), entry, FALSE, FALSE, 0);
|
|
|
|
button = gtk_button_new_with_label ("Steal");
|
|
gtk_box_pack_start (GTK_BOX(hbox), button, FALSE, FALSE, 0);
|
|
|
|
gtk_signal_connect (GTK_OBJECT(button), "clicked",
|
|
GTK_SIGNAL_FUNC(steal),
|
|
entry);
|
|
|
|
gtk_widget_show_all (window);
|
|
|
|
gtk_main ();
|
|
|
|
if (n_children)
|
|
{
|
|
g_print ("Waiting for children to exit\n");
|
|
|
|
while (n_children)
|
|
g_main_iteration (TRUE);
|
|
}
|
|
|
|
return 0;
|
|
}
|