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Diffstat (limited to '')
| -rw-r--r-- | libgimpwidgets/gimppickbutton-xdg.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/libgimpwidgets/gimppickbutton-xdg.c b/libgimpwidgets/gimppickbutton-xdg.c new file mode 100644 index 0000000..4ef42ab --- /dev/null +++ b/libgimpwidgets/gimppickbutton-xdg.c @@ -0,0 +1,152 @@ +/* LIBGIMP - The GIMP Library + * Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball + * + * gimppickbutton-xdg.c + * Copyright (C) 2021 Niels De Graef <nielsdegraef@gmail.com> + * + * This library 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 + * Library General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library. If not, see + * <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <gegl.h> +#include <gtk/gtk.h> + +#include "libgimpcolor/gimpcolor.h" + +#include "gimpwidgetstypes.h" +#include "gimppickbutton.h" +#include "gimppickbutton-default.h" +#include "gimppickbutton-xdg.h" + +#include "libgimp/libgimp-intl.h" + +gboolean +_gimp_pick_button_xdg_available (void) +{ + GDBusProxy *proxy = NULL; + + proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, + G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, + NULL, + "org.freedesktop.portal.Desktop", + "/org/freedesktop/portal/desktop", + "org.freedesktop.portal.Screenshot", + NULL, NULL); + + if (proxy) + { + GError *error = NULL; + + g_dbus_proxy_call_sync (proxy, "org.freedesktop.DBus.Peer.Ping", + NULL, + G_DBUS_CALL_FLAGS_NONE, + -1, NULL, &error); + if (! error) + return TRUE; + + g_clear_error (&error); + + g_object_unref (proxy); + proxy = NULL; + } + + return FALSE; +} + +static void +pick_color_xdg_dbus_signal (GDBusProxy *proxy, + gchar *sender_name, + gchar *signal_name, + GVariant *parameters, + GimpPickButton *button) +{ + if (g_strcmp0 (signal_name, "Response") == 0) + { + GVariant *results; + guint32 response; + + g_variant_get (parameters, "(u@a{sv})", + &response, + &results); + + /* Possible values: + * 0: Success, the request is carried out + * 1: The user cancelled the interaction + * 2: The user interaction was ended in some other way + * Cf. https://github.com/flatpak/xdg-desktop-portal/blob/master/data/org.freedesktop.portal.Request.xml + */ + if (response == 0) + { + GimpRGB color; + + if (g_variant_lookup (results, "color", "(ddd)", &color.r, &color.g, &color.b)) + { + g_signal_emit_by_name (button, "color-picked", &color); + } + } + + g_variant_unref (results); + /* Quit anyway. */ + gtk_main_quit (); + } +} + +/* entry point to this file, called from gimppickbutton.c */ +void +_gimp_pick_button_xdg_pick (GimpPickButton *button) +{ + GDBusProxy *proxy = NULL; + GVariant *retval = NULL; + gchar *opath = NULL; + + proxy = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, + G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, + NULL, + "org.freedesktop.portal.Desktop", + "/org/freedesktop/portal/desktop", + "org.freedesktop.portal.Screenshot", + NULL, NULL); + if (!proxy) + { + return; + } + + retval = g_dbus_proxy_call_sync (proxy, "PickColor", + g_variant_new ("(sa{sv})", "", NULL), + G_DBUS_CALL_FLAGS_NONE, + -1, NULL, NULL); + g_clear_object (&proxy); + if (retval) + { + g_variant_get (retval, "(o)", &opath); + g_variant_unref (retval); + } + + if (opath) + { + GDBusProxy *proxy2 = NULL; + + proxy2 = g_dbus_proxy_new_for_bus_sync (G_BUS_TYPE_SESSION, + G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START, + NULL, + "org.freedesktop.portal.Desktop", + opath, + "org.freedesktop.portal.Request", + NULL, NULL); + g_signal_connect (proxy2, "g-signal", + G_CALLBACK (pick_color_xdg_dbus_signal), + button); + + gtk_main (); + g_object_unref (proxy2); + g_free (opath); + } +} |