forked from openkylin/gimp
153 lines
4.7 KiB
C
153 lines
4.7 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* gimppickbutton-xdg.c
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* Copyright (C) 2021 Niels De Graef <nielsdegraef@gmail.com>
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gegl.h>
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#include <gtk/gtk.h>
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#include "libgimpcolor/gimpcolor.h"
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#include "gimpwidgetstypes.h"
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#include "gimppickbutton.h"
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#include "gimppickbutton-default.h"
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#include "gimppickbutton-xdg.h"
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#include "libgimp/libgimp-intl.h"
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gboolean
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_gimp_pick_button_xdg_available (void)
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{
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GDBusProxy *proxy = NULL;
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proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
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NULL,
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"org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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"org.freedesktop.portal.Screenshot",
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NULL, NULL);
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if (proxy)
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{
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GError *error = NULL;
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g_dbus_proxy_call_sync (proxy, "org.freedesktop.DBus.Peer.Ping",
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NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1, NULL, &error);
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if (! error)
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return TRUE;
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g_clear_error (&error);
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g_object_unref (proxy);
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proxy = NULL;
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}
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return FALSE;
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}
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static void
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pick_color_xdg_dbus_signal (GDBusProxy *proxy,
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gchar *sender_name,
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gchar *signal_name,
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GVariant *parameters,
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GimpPickButton *button)
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{
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if (g_strcmp0 (signal_name, "Response") == 0)
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{
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GVariant *results;
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guint32 response;
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g_variant_get (parameters, "(u@a{sv})",
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&response,
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&results);
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/* Possible values:
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* 0: Success, the request is carried out
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* 1: The user cancelled the interaction
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* 2: The user interaction was ended in some other way
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* Cf. https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.Request.xml
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*/
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if (response == 0)
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{
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GimpRGB color;
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if (g_variant_lookup (results, "color", "(ddd)", &color.r, &color.g, &color.b))
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{
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g_signal_emit_by_name (button, "color-picked", &color);
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}
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}
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g_variant_unref (results);
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/* Quit anyway. */
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gtk_main_quit ();
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}
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}
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/* entry point to this file, called from gimppickbutton.c */
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void
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_gimp_pick_button_xdg_pick (GimpPickButton *button)
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{
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GDBusProxy *proxy = NULL;
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GVariant *retval = NULL;
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gchar *opath = NULL;
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proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
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NULL,
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"org.freedesktop.portal.Desktop",
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"/org/freedesktop/portal/desktop",
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"org.freedesktop.portal.Screenshot",
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NULL, NULL);
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if (!proxy)
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{
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return;
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}
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retval = g_dbus_proxy_call_sync (proxy, "PickColor",
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g_variant_new ("(sa{sv})", "", NULL),
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G_DBUS_CALL_FLAGS_NONE,
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-1, NULL, NULL);
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g_clear_object (&proxy);
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if (retval)
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{
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g_variant_get (retval, "(o)", &opath);
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g_variant_unref (retval);
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}
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if (opath)
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{
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GDBusProxy *proxy2 = NULL;
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proxy2 = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION,
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G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START,
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NULL,
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"org.freedesktop.portal.Desktop",
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opath,
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"org.freedesktop.portal.Request",
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NULL, NULL);
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g_signal_connect (proxy2, "g-signal",
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G_CALLBACK (pick_color_xdg_dbus_signal),
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button);
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gtk_main ();
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g_object_unref (proxy2);
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g_free (opath);
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}
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}
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