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/* screenshot-area-selection.c - interactive screenshot area selection
*
* Copyright (C) 2001-2006 Jonathan Blandford <jrb@alum.mit.edu>
* Copyright (C) 2008 Cosimo Cecchi <cosimoc@gnome.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
*/
#include "config.h"
#include <gtk/gtk.h>
#include "screenshot-area-selection.h"
typedef struct {
GdkRectangle rectangle;
SelectAreaCallback callback;
gpointer callback_data;
gboolean aborted;
} CallbackData;
static gboolean
emit_select_callback_in_idle (gpointer user_data)
{
CallbackData *data = user_data;
if (!data->aborted)
data->callback (&data->rectangle, data->callback_data);
else
data->callback (NULL, data->callback_data);
g_slice_free (CallbackData, data);
return FALSE;
}
static void
select_area_done (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
CallbackData *cb_data = user_data;
g_autoptr(GError) error = NULL;
g_autoptr(GVariant) ret = NULL;
ret = g_dbus_connection_call_finish (G_DBUS_CONNECTION (source_object), res, &error);
if (error != NULL)
{
if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
{
cb_data->aborted = TRUE;
g_idle_add (emit_select_callback_in_idle, cb_data);
return;
}
g_message ("Unable to select area.");
return;
}
g_variant_get (ret, "(iiii)",
&cb_data->rectangle.x,
&cb_data->rectangle.y,
&cb_data->rectangle.width,
&cb_data->rectangle.height);
g_idle_add (emit_select_callback_in_idle, cb_data);
}
void
screenshot_select_area_async (SelectAreaCallback callback,
gpointer callback_data)
{
CallbackData *cb_data;
GDBusConnection *connection;
cb_data = g_slice_new0 (CallbackData);
cb_data->callback = callback;
cb_data->callback_data = callback_data;
connection = g_application_get_dbus_connection (g_application_get_default ());
g_dbus_connection_call (connection,
"org.gnome.Shell.Screenshot",
"/org/gnome/Shell/Screenshot",
"org.gnome.Shell.Screenshot",
"SelectArea",
NULL,
NULL,
G_DBUS_CALL_FLAGS_NONE,
G_MAXINT,
NULL,
select_area_done,
cb_data);
}
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