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/* Application Class
*
* Demonstrates a simple application.
*
* This example uses GtkApplication, GtkApplicationWindow, GtkBuilder
* as well as GMenu and GResource. Due to the way GtkApplication is structured,
* it is run as a separate process.
*/
#include "config.h"
#include <gtk/gtk.h>
static gboolean name_seen;
static GtkWidget *placeholder;
static void
on_name_appeared (GDBusConnection *connection,
const char *name,
const char *name_owner,
gpointer user_data)
{
name_seen = TRUE;
}
static void
on_name_vanished (GDBusConnection *connection,
const char *name,
gpointer user_data)
{
if (!name_seen)
return;
g_clear_object (&placeholder);
}
#ifdef G_OS_WIN32
#define APP_EXTENSION ".exe"
#else
#define APP_EXTENSION
#endif
GtkWidget *
do_application_demo (GtkWidget *toplevel)
{
static guint watch = 0;
if (watch == 0)
watch = g_bus_watch_name (G_BUS_TYPE_SESSION,
"org.gtk.Demo4.App",
0,
on_name_appeared,
on_name_vanished,
NULL, NULL);
if (placeholder == NULL)
{
const char *command;
GError *error = NULL;
if (g_file_test ("./gtk4-demo-application" APP_EXTENSION, G_FILE_TEST_IS_EXECUTABLE))
command = "./gtk4-demo-application" APP_EXTENSION;
else
command = "gtk4-demo-application";
if (!g_spawn_command_line_async (command, &error))
{
g_warning ("%s", error->message);
g_error_free (error);
}
placeholder = gtk_label_new ("");
g_object_ref_sink (placeholder);
}
else
{
g_dbus_connection_call_sync (g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL),
"org.gtk.Demo4.App",
"/org/gtk/Demo4/App",
"org.gtk.Actions",
"Activate",
g_variant_new ("(sava{sv})", "quit", NULL, NULL),
NULL,
0,
G_MAXINT,
NULL, NULL);
}
return placeholder;
}
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