Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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);
+    }
+}