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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
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#include <glib.h>
#ifdef G_OS_UNIX
#include <glib-unix.h>
#endif
#include "zero-panel.h"
typedef struct {
GApplication *app;
ZeroPanel *proxy;
} AppData;
AppData appdata;
#ifdef G_OS_UNIX
/**
* handle SIGTERM gracefully.
*/
static gboolean
on_sigterm_received(gpointer user_data)
{
AppData *appdata = (AppData *) user_data;
g_application_quit(appdata->app);
return G_SOURCE_REMOVE;
}
/**
* allow graceful shutdown by Ctrl-C and SIGTERM.
*/
static void
setup_sigint_sigterm_handler(AppData *appdata)
{
GSource *source = NULL;
source = g_unix_signal_source_new(SIGTERM);
g_source_set_callback(source, on_sigterm_received, appdata, NULL);
g_source_attach(source, NULL);
g_source_unref(source);
source = g_unix_signal_source_new(SIGINT);
g_source_set_callback(source, on_sigterm_received, appdata, NULL);
g_source_attach(source, NULL);
g_source_unref(source);
}
#endif
static gint
hide_then_quit(gpointer user_data)
{
AppData *appdata = (AppData *) user_data;
GError *err = NULL;
zero_panel_call_hide_sync(appdata->proxy, NULL, &err);
if (err) {
g_warning("call Hide() failed: %s", err->message);
g_error_free(err);
} else {
g_message("call Hide() okay");
g_application_quit(appdata->app);
}
return G_SOURCE_REMOVE;
}
static void
startup(GApplication *app,
AppData *appdata)
{
ZeroPanel *proxy = NULL;
GError *err = NULL;
#ifdef G_OS_UNIX
setup_sigint_sigterm_handler(appdata);
#endif
appdata->proxy = NULL;
proxy = zero_panel_proxy_new_for_bus_sync(
G_BUS_TYPE_SESSION,
G_DBUS_PROXY_FLAGS_NONE,
ZERO_PANEL_WELL_KNOWN_NAME,
ZERO_PANEL_OBJECT_PATH,
NULL, /* GCancellable */
&err);
if (err) {
g_warning("connect to zero panel proxy failed: %s", err->message);
g_error_free(err);
} else {
appdata->proxy = proxy;
}
/* show panel, wait 3s, then hide panel and exit app */
err = NULL;
const gchar *const candidates[] = {"第一个", "第二个", "第三个"};
GVariant *hints = NULL;
GVariantBuilder b = {0};
g_variant_builder_init(&b, G_VARIANT_TYPE("a{sv}"));
g_variant_builder_add(&b, "{sv}", "has_next_page",
g_variant_new_boolean(TRUE));
g_variant_builder_add(&b, "{sv}", "has_previous_page",
g_variant_new_boolean(FALSE));
hints = g_variant_builder_end(&b);
zero_panel_call_show_candidates_sync(proxy, "abc", 3, candidates, hints, NULL, &err);
if (err) {
g_warning("call ShowCandidates() failed: %s", err->message);
g_error_free(err);
} else {
g_message("call ShowCandidates() okay");
g_timeout_add_seconds(3, hide_then_quit, appdata);
}
g_application_hold(app);
}
static void
activate(GApplication *app,
AppData *appdata)
{
g_message("activate()");
/* activate is a no-op. */
}
static void
shutdown(GApplication *app,
AppData *appdata)
{
g_message("shutdown()");
if (appdata->proxy) {
zero_panel_call_hide(appdata->proxy, NULL, NULL, NULL);
g_object_unref(appdata->proxy);
appdata->proxy = NULL;
}
}
int
main(int argc, char *argv[])
{
GApplication *app = NULL;
int status = 0;
app = g_application_new("com.emacsos.zero.ZeroPanelClientDemo", 0);
g_assert_nonnull(app);
appdata.app = app;
g_signal_connect(app, "startup", G_CALLBACK(startup), &appdata);
g_signal_connect(app, "activate", G_CALLBACK(activate), &appdata);
g_signal_connect(app, "shutdown", G_CALLBACK(shutdown), &appdata);
status = g_application_run(G_APPLICATION(app), argc, argv);
g_object_unref(app);
return status;
}