diff options
Diffstat (limited to 'plug-ins/screenshot/screenshot-freedesktop.c')
| -rw-r--r-- | plug-ins/screenshot/screenshot-freedesktop.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/plug-ins/screenshot/screenshot-freedesktop.c b/plug-ins/screenshot/screenshot-freedesktop.c new file mode 100644 index 0000000..206d70a --- /dev/null +++ b/plug-ins/screenshot/screenshot-freedesktop.c @@ -0,0 +1,199 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * Screenshot plug-in + * Copyright 1998-2007 Sven Neumann <sven@gimp.org> + * Copyright 2003 Henrik Brix Andersen <brix@gimp.org> + * Copyright 2016 Michael Natterer <mitch@gimp.org> + * Copyright 2017 Jehan <jehan@gimp.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 3 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, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <glib.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include "screenshot.h" +#include "screenshot-freedesktop.h" + + +static GDBusProxy *proxy = NULL; + +gboolean +screenshot_freedesktop_available (void) +{ + 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; +} + +ScreenshotCapabilities +screenshot_freedesktop_get_capabilities (void) +{ + /* Portal has no capabilities other than root screenshot! */ + return 0; +} + +static void +screenshot_freedesktop_dbus_signal (GDBusProxy *proxy, + gchar *sender_name, + gchar *signal_name, + GVariant *parameters, + gint32 *image_ID) +{ + 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) + { + gchar *uri; + + if (g_variant_lookup (results, "uri", "s", &uri)) + { + GFile *file = g_file_new_for_uri (uri); + gchar *path = g_file_get_path (file); + + *image_ID = gimp_file_load (GIMP_RUN_NONINTERACTIVE, + path, path); + gimp_image_set_filename (*image_ID, "screenshot.png"); + + /* Delete the actual file. */ + g_file_delete (file, NULL, NULL); + + g_object_unref (file); + g_free (path); + g_free (uri); + } + } + + g_variant_unref (results); + /* Quit anyway. */ + gtk_main_quit (); + } +} + +GimpPDBStatusType +screenshot_freedesktop_shoot (ScreenshotValues *shootvals, + GdkScreen *screen, + gint32 *image_ID, + GError **error) +{ + GVariant *retval; + gchar *opath = NULL; + + if (shootvals->shoot_type != SHOOT_ROOT) + { + /* This should not happen. */ + return GIMP_PDB_EXECUTION_ERROR; + } + + if (shootvals->screenshot_delay > 0) + screenshot_delay (shootvals->screenshot_delay); + + retval = g_dbus_proxy_call_sync (proxy, "Screenshot", + g_variant_new ("(sa{sv})", "", NULL), + G_DBUS_CALL_FLAGS_NONE, + -1, NULL, error); + g_object_unref (proxy); + proxy = NULL; + 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); + *image_ID = 0; + g_signal_connect (proxy2, "g-signal", + G_CALLBACK (screenshot_freedesktop_dbus_signal), + image_ID); + + gtk_main (); + g_object_unref (proxy2); + g_free (opath); + + /* Signal got a response. */ + if (*image_ID) + { + GimpColorProfile *profile; + + /* Just assign profile of current monitor. This will work only + * as long as this is a single-display setup. + * We need to figure out how to do better color management for + * portal screenshots. + * TODO! + */ + profile = gimp_screen_get_color_profile (screen, + shootvals->monitor); + if (profile) + { + gimp_image_set_color_profile (*image_ID, profile); + g_object_unref (profile); + } + + return GIMP_PDB_SUCCESS; + } + } + + return GIMP_PDB_EXECUTION_ERROR; +} |