GVNC plugin using gtk-vnc

This plugin is more suitable for KVM and GNOME Vino servers

Beside the normal features it has:

* Remote power control (reboot, reset, shutdown)
* Audio redirection (still have issues)
* UTF-8 clipboard support (if the server support it)
* Multiple ctrl sequences (CTRL+ALT+DEL, Backspace, F1-12)
* Should work with TLS.

There are still bugs, patches are welcome

Can be compiled with -DWITH_GVNC=ON

6 files changed, 1283 insertions, 0 deletions

diff --git a/plugins/gvnc/CMakeLists.txt b/plugins/gvnc/CMakeLists.txt
new file mode 100644
index 000000000..0fd54df9f
--- /dev/null
+++ b/plugins/gvnc/CMakeLists.txt
@@ -0,0 +1,54 @@
+# remmina-plugin-gvnc - The GTK+ Remote Desktop Client
+#
+# Copyright (C) 2016-2021 Antenore Gatta, Giovanni Panozzo
+#
+# 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,
+# Boston, MA  02110-1301, USA.
+#
+# In addition, as a special exception, the copyright holders give
+# permission to link the code of portions of this program with the
+# OpenSSL library under certain conditions as described in each
+# individual source file, and distribute linked combinations
+# including the two.
+# You must obey the GNU General Public License in all respects
+# for all of the code used other than OpenSSL. If you modify
+# file(s) with this exception, you may extend this exception to your
+# version of the file(s), but you are not obligated to do so. If you
+# do not wish to do so, delete this exception statement from your
+# version. If you delete this exception statement from all source
+# files in the program, then also delete it here.
+
+set(REMMINA_PLUGIN_GVNC_SRCS
+    gvnc_plugin_config.h
+    gvnc_plugin.h
+    gvnc_plugin.c
+    )
+
+add_library(remmina-plugin-gvnc ${REMMINA_PLUGIN_GVNC_SRCS})
+set_target_properties(remmina-plugin-gvnc PROPERTIES PREFIX "")
+set_target_properties(remmina-plugin-gvnc PROPERTIES NO_SONAME 1)
+
+include_directories(${REMMINA_COMMON_INCLUDE_DIRS} ${GTK-VNC_INCLUDE_DIRS})
+target_link_libraries(remmina-plugin-gvnc ${REMMINA_COMMON_LIBRARIES} ${GTK-VNC_LIBRARIES})
+
+install(TARGETS remmina-plugin-gvnc DESTINATION ${REMMINA_PLUGINDIR})
+
+install(FILES
+    scalable/emblems/remmina-gvnc-symbolic.svg
+    DESTINATION ${APPICONSCALE_EMBLEMS_DIR})
+
+if(WITH_ICON_CACHE)
+    gtk_update_icon_cache("${REMMINA_DATADIR}/icons/hicolor")
+endif()
diff --git a/plugins/gvnc/gvnc_plugin.c b/plugins/gvnc/gvnc_plugin.c
new file mode 100644
index 000000000..c5e9a1662
--- /dev/null
+++ b/plugins/gvnc/gvnc_plugin.c
@@ -0,0 +1,872 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2016-2021 Antenore Gatta, Giovanni Panozzo
+ *
+ * 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,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#include "gvnc_plugin_config.h"
+#include "gvnc_plugin.h"
+
+#include <vncdisplay.h>
+#include <vncutil.h>
+#include <vncaudiopulse.h>
+
+#define GVNC_DEFAULT_PORT 5900
+
+#ifndef VNC_CHECK_VERSION
+# define VNC_CHECK_VERSION(a, b, c) 0
+#endif
+#if VNC_CHECK_VERSION(1, 2, 0)
+# define HAVE_VNC_REMOTE_RESIZE
+# define HAVE_VNC_POWER_CONTROL
+#endif
+
+enum {
+	GVNC_PLUGIN_FEATURE_PREF_VIEWONLY = 1,
+	GVNC_PLUGIN_FEATURE_DYNRESUPDATE,
+	GVNC_PLUGIN_FEATURE_PREF_DISABLECLIPBOARD,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTDEL,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTBACKSPACE,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF1,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF2,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF3,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF4,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF5,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF6,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF7,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF8,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF9,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF10,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF11,
+	GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF12,
+#ifdef HAVE_VNC_POWER_CONTROL
+	GVNC_PLUGIN_FEATURE_TOOL_REBOOT,
+	GVNC_PLUGIN_FEATURE_TOOL_RESET,
+	GVNC_PLUGIN_FEATURE_TOOL_SHUTDOWN,
+#endif
+	GVNC_PLUGIN_FEATURE_SCALE
+};
+
+
+static RemminaPluginService *remmina_plugin_service = NULL;
+#define REMMINA_PLUGIN_DEBUG(fmt, ...) remmina_plugin_service->_remmina_debug(__func__, fmt, ## __VA_ARGS__)
+
+/* Send a keystroke to the plugin window */
+static void gvnc_plugin_keystroke(RemminaProtocolWidget *gp, const guint keystrokes[], const gint keylen)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	if (gpdata->vnc) {
+		vnc_display_send_keys(VNC_DISPLAY(gpdata->vnc),
+				      keystrokes,
+				      keylen);
+	}
+}
+
+#ifdef HAVE_VNC_POWER_CONTROL
+static void gvnc_plugin_power_ctrl(RemminaProtocolWidget *gp, VncConnectionPowerAction action)
+{
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	VncConnection *conn = vnc_display_get_connection(VNC_DISPLAY(gpdata->vnc));
+
+	if (!vnc_connection_get_power_control(conn)) {
+		REMMINA_PLUGIN_DEBUG("Power control not available on this server");
+		return;
+	}
+	vnc_connection_power_control(conn, action);
+}
+#endif
+
+
+static void gvnc_plugin_mouse_grab(GtkWidget *vncdisplay, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	VncGrabSequence *seq = vnc_display_get_grab_keys(VNC_DISPLAY(gpdata->vnc));
+	gchar *seqstr = vnc_grab_sequence_as_string(seq);
+
+	REMMINA_PLUGIN_DEBUG("Pointer grabbed: %s", seqstr);
+}
+
+static void gvnc_plugin_mouse_ungrab(GtkWidget *vncdisplay, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	REMMINA_PLUGIN_DEBUG("Pointer ungrabbed");
+}
+
+static void gvnc_plugin_on_vnc_error(GtkWidget *vncdisplay G_GNUC_UNUSED, const gchar *msg, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	REMMINA_PLUGIN_DEBUG("Error: %s\n", msg);
+	/* "vnc-error" is always followed by "vnc-disconnected",
+	 * so save the error for that signal */
+	g_free(gpdata->error_msg);
+	gpdata->error_msg = g_strdup(msg);
+}
+
+static gboolean gvnc_plugin_get_screenshot(RemminaProtocolWidget *gp, RemminaPluginScreenshotData *rpsd)
+{
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	gsize szmem;
+	const VncPixelFormat *currentFormat;
+	GError *err = NULL;
+
+	if (!gpdata)
+		return FALSE;
+
+	/* Get current pixel format for server */
+	currentFormat = vnc_connection_get_pixel_format(gpdata->conn);
+
+
+	GdkPixbuf *pix = vnc_display_get_pixbuf(VNC_DISPLAY(gpdata->vnc));
+
+	rpsd->width = gdk_pixbuf_get_width(pix);
+	rpsd->height = gdk_pixbuf_get_height(pix);
+	rpsd->bitsPerPixel = currentFormat->bits_per_pixel;
+	rpsd->bytesPerPixel = rpsd->bitsPerPixel / 8;
+	//szmem = gdk_pixbuf_get_byte_length(pix);
+
+	//szmem = rpsd->width * rpsd->height * rpsd->bytesPerPixel;
+
+	//REMMINA_PLUGIN_DEBUG("allocating %zu bytes for a full screenshot", szmem);
+	//REMMINA_PLUGIN_DEBUG("Calculated screenshot size: %zu", szcalc);
+	//rpsd->buffer = malloc(szmem);
+
+	//memcpy(rpsd->buffer, pix, szmem);
+	gdk_pixbuf_save_to_buffer(pix, &rpsd->buffer, &szmem, "jpeg", &err, "quality", "100", NULL);
+
+
+	/* Returning TRUE instruct also the caller to deallocate rpsd->buffer */
+	return TRUE;
+}
+
+void gvnc_plugin_paste_text(RemminaProtocolWidget *gp, const gchar *text)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	gchar *out;
+	gsize a, b;
+	GError *error = NULL;
+
+	if (!gpdata) return;
+
+	out = g_convert_with_fallback(text, -1, "iso8859-1//TRANSLIT", "utf-8", NULL, &a, &b, &error);
+	if (out) {
+		REMMINA_PLUGIN_DEBUG("Pasting text");
+		vnc_display_client_cut_text(VNC_DISPLAY(gpdata->vnc), out);
+		g_free(out);
+	} else {
+		REMMINA_PLUGIN_DEBUG("Error pasting text: %s", error->message);
+		g_error_free(error);
+	}
+}
+
+static void gvnc_plugin_clipboard_cb(GtkClipboard *cb, GdkEvent *event, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	//GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	gchar *text;
+
+	REMMINA_PLUGIN_DEBUG("owner-change event received");
+
+	if (cb && gtk_clipboard_get_owner(cb) == (GObject *)gp)
+		return;
+
+	text = gtk_clipboard_wait_for_text(cb);
+	if (!text)
+		return;
+
+	gvnc_plugin_paste_text(gp, text);
+	g_free(text);
+}
+
+
+/* text was actually requested */
+static void gvnc_plugin_clipboard_copy(GtkClipboard *clipboard G_GNUC_UNUSED, GtkSelectionData *data, guint info G_GNUC_UNUSED, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	if (!gpdata) return;
+	gtk_selection_data_set_text(data, gpdata->clipstr, -1);
+	REMMINA_PLUGIN_DEBUG("Text copied");
+}
+
+static void gvnc_plugin_cut_text(VncDisplay *vnc G_GNUC_UNUSED, const gchar *text, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	REMMINA_PLUGIN_DEBUG("Got clipboard request for \"%s\"", text);
+
+	GtkClipboard *cb;
+	gsize a, b;
+	GtkTargetEntry targets[] = {
+		{ g_strdup("UTF8_STRING"),   0, 0 },
+		{ g_strdup("COMPOUND_TEXT"), 0, 0 },
+		{ g_strdup("TEXT"),	     0, 0 },
+		{ g_strdup("STRING"),	     0, 0 },
+	};
+
+	if (!text)
+		return;
+	g_free(gpdata->clipstr);
+	gpdata->clipstr = g_convert(text, -1, "utf-8", "iso8859-1", &a, &b, NULL);
+
+	if (gpdata->clipstr) {
+		cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
+
+		REMMINA_PLUGIN_DEBUG("setting clipboard with owner to owner %p", gp);
+		gtk_clipboard_set_with_owner(cb,
+					     targets,
+					     G_N_ELEMENTS(targets),
+					     (GtkClipboardGetFunc)gvnc_plugin_clipboard_copy,
+					     NULL,
+					     G_OBJECT(gp));
+	}
+
+	//g_signal_emit_by_name(session, "session-cut-text", text);
+}
+
+
+static void gvnc_plugin_desktop_resize(GtkWidget *vncdisplay G_GNUC_UNUSED, int width, int height, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	REMMINA_PLUGIN_DEBUG("Remote desktop size changed to %dx%d\n", width, height);
+	REMMINA_PLUGIN_DEBUG("Desktop size is set to %dx%d\n", gpdata->width, gpdata->height);
+	remmina_plugin_service->protocol_plugin_set_width(gp, width);
+	remmina_plugin_service->protocol_plugin_set_height(gp, height);
+
+	remmina_plugin_service->protocol_plugin_desktop_resize(gp);
+}
+
+static void gvnc_plugin_on_bell(RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	REMMINA_PLUGIN_DEBUG("Bell message received");
+	//GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	RemminaFile *remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
+
+	if (remmina_plugin_service->file_get_int(remminafile, "disableserverbell", FALSE))
+		return;
+	GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(gp));
+
+	if (window)
+		gdk_window_beep(window);
+	REMMINA_PLUGIN_DEBUG("Beep emitted");
+}
+static void gvnc_plugin_update_scale_mode(RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	RemminaScaleMode scaleMode = remmina_plugin_service->remmina_protocol_widget_get_current_scale_mode(gp);
+
+#if 0
+	g_object_set(gpdata->display,
+		     "scaling", (scaleMode == REMMINA_PROTOCOL_WIDGET_SCALE_MODE_SCALED),
+		     "resize-guest", (scaleMode == REMMINA_PROTOCOL_WIDGET_SCALE_MODE_DYNRES),
+		     NULL);
+#endif
+	if (scaleMode == REMMINA_PROTOCOL_WIDGET_SCALE_MODE_SCALED || scaleMode == REMMINA_PROTOCOL_WIDGET_SCALE_MODE_DYNRES)
+		vnc_display_set_scaling(VNC_DISPLAY(gpdata->vnc), TRUE);
+	else
+		vnc_display_set_scaling(VNC_DISPLAY(gpdata->vnc), FALSE);
+
+	//width = remmina_plugin_service->protocol_plugin_get_width(gp);
+	//height = remmina_plugin_service->protocol_plugin_get_height(gp);
+	gpdata->width = vnc_display_get_width(VNC_DISPLAY(gpdata->vnc));
+	gpdata->height = vnc_display_get_height(VNC_DISPLAY(gpdata->vnc));
+
+	if (scaleMode != REMMINA_PROTOCOL_WIDGET_SCALE_MODE_NONE) {
+		/* In scaled mode, the VncDisplay will get its dimensions from its parent */
+		gtk_widget_set_size_request(GTK_WIDGET(gpdata->vnc), -1, -1);
+	} else {
+		/* In non scaled mode, the plugins forces dimensions of the VncDisplay */
+#if 0
+		g_object_get(gpdata->display_channel,
+			     "width", &width,
+			     "height", &height,
+			     NULL);
+		gtk_widget_set_size_request(GTK_WIDGET(gpdata->vnc), width, height);
+#endif
+		gtk_widget_set_size_request(GTK_WIDGET(gpdata->vnc), gpdata->width, gpdata->height);
+	}
+	remmina_plugin_service->protocol_plugin_update_align(gp);
+}
+
+static gboolean gvnc_plugin_query_feature(RemminaProtocolWidget *gp, const RemminaProtocolFeature *feature)
+{
+	TRACE_CALL(__func__);
+
+	return TRUE;
+}
+
+static void gvnc_plugin_call_feature(RemminaProtocolWidget *gp, const RemminaProtocolFeature *feature)
+{
+	TRACE_CALL(__func__);
+
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	RemminaFile *remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
+
+	guint keys[3];
+
+	switch (feature->id) {
+	case GVNC_PLUGIN_FEATURE_PREF_VIEWONLY:
+		gpdata->viewonly = remmina_plugin_service->file_get_int(remminafile, "viewonly", FALSE);
+		break;
+	case GVNC_PLUGIN_FEATURE_DYNRESUPDATE:
+	case GVNC_PLUGIN_FEATURE_SCALE:
+		gvnc_plugin_update_scale_mode(gp);
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTDEL:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_Delete;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTBACKSPACE:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_BackSpace;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF1:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F1;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF2:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F2;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF3:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F3;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF4:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F4;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF5:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F5;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF6:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F6;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF7:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F7;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF9:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F9;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF10:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F10;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF11:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F11;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF12:
+		keys[0] = GDK_KEY_Control_L;
+		keys[1] = GDK_KEY_Alt_L;
+		keys[2] = GDK_KEY_F12;
+		gvnc_plugin_keystroke(gp, keys, G_N_ELEMENTS(keys));
+		break;
+#ifdef HAVE_VNC_POWER_CONTROL
+	case GVNC_PLUGIN_FEATURE_TOOL_REBOOT:
+		gvnc_plugin_power_ctrl(gp, VNC_CONNECTION_POWER_ACTION_REBOOT);
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_RESET:
+		gvnc_plugin_power_ctrl(gp, VNC_CONNECTION_POWER_ACTION_RESET);
+		break;
+	case GVNC_PLUGIN_FEATURE_TOOL_SHUTDOWN:
+		gvnc_plugin_power_ctrl(gp, VNC_CONNECTION_POWER_ACTION_SHUTDOWN);
+		break;
+#endif
+	default:
+		break;
+	}
+}
+
+static void gvnc_plugin_auth_unsupported(VncDisplay *vnc G_GNUC_UNUSED, unsigned int authType, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	g_clear_pointer(&gpdata->error_msg, g_free);
+	gchar *msg = g_strdup_printf(_("Unsupported authentication type %u"), authType);
+
+	remmina_plugin_service->protocol_plugin_set_error(gp, "%s", msg);
+	g_free(msg);
+}
+
+static void gvnc_plugin_auth_failure(VncDisplay *vnc G_GNUC_UNUSED, const gchar *reason, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	g_clear_pointer(&gpdata->error_msg, g_free);
+	gchar *msg = g_strdup_printf(_("Authentication failure: %s"), reason);
+
+	remmina_plugin_service->protocol_plugin_set_error(gp, "%s", msg);
+	g_free(msg);
+}
+
+static gboolean gvnc_plugin_ask_auth(GtkWidget *vncdisplay, GValueArray *credList, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	gint ret;
+	gboolean disablepasswordstoring;
+	gchar *s_username = NULL, *s_password = NULL;
+	gboolean wantPassword = FALSE, wantUsername = FALSE;
+	int i;
+	gboolean save;
+
+
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	RemminaFile *remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
+
+
+	REMMINA_PLUGIN_DEBUG("Got credential request for %u credential(s)\n", credList->n_values);
+
+	for (i = 0; i < credList->n_values; i++) {
+		GValue *cred = g_value_array_get_nth(credList, i);
+		switch (g_value_get_enum(cred)) {
+		case VNC_DISPLAY_CREDENTIAL_USERNAME:
+			wantUsername = TRUE;
+			break;
+		case VNC_DISPLAY_CREDENTIAL_PASSWORD:
+			wantPassword = TRUE;
+			break;
+		case VNC_DISPLAY_CREDENTIAL_CLIENTNAME:
+			break;
+		default:
+			REMMINA_PLUGIN_DEBUG("Unsupported credential type %d", g_value_get_enum(cred));
+			vnc_display_close(VNC_DISPLAY(gpdata->vnc));
+			goto cleanup;
+		}
+	}
+	disablepasswordstoring = remmina_plugin_service->file_get_int(remminafile, "disablepasswordstoring", FALSE);
+
+	ret = remmina_plugin_service->protocol_plugin_init_auth(gp,
+								(disablepasswordstoring ? 0 : REMMINA_MESSAGE_PANEL_FLAG_SAVEPASSWORD)
+								| (wantUsername ? REMMINA_MESSAGE_PANEL_FLAG_USERNAME : 0),
+								_("Enter VNC authentication credentials"),
+								(wantUsername ? remmina_plugin_service->file_get_string(remminafile, "username") : NULL),
+								(wantPassword ? remmina_plugin_service->file_get_string(remminafile, "password") : NULL),
+								NULL,
+								NULL);
+	if (ret == GTK_RESPONSE_OK) {
+		s_username = remmina_plugin_service->protocol_plugin_init_get_username(gp);
+		s_password = remmina_plugin_service->protocol_plugin_init_get_password(gp);
+		remmina_plugin_service->file_set_string(remminafile, "username", s_username);
+
+		save = remmina_plugin_service->protocol_plugin_init_get_savepassword(gp);
+		if (save) {
+			// User has requested to save credentials. We put the password
+			// into remminafile->settings. It will be saved later, on successful connection, by
+			// rcw.c
+			remmina_plugin_service->file_set_string(remminafile, "password", s_password);
+		} else {
+			remmina_plugin_service->file_set_string(remminafile, "password", NULL);
+		}
+
+		for (i = 0; i < credList->n_values; i++) {
+			GValue *cred = g_value_array_get_nth(credList, i);
+			switch (g_value_get_enum(cred)) {
+			case VNC_DISPLAY_CREDENTIAL_USERNAME:
+				if (!s_username ||
+				    vnc_display_set_credential(VNC_DISPLAY(gpdata->vnc),
+							       g_value_get_enum(cred),
+							       s_username)) {
+					g_debug("Failed to set credential type %d", g_value_get_enum(cred));
+					vnc_display_close(VNC_DISPLAY(gpdata->vnc));
+				}
+				break;
+			case VNC_DISPLAY_CREDENTIAL_PASSWORD:
+				if (!s_password ||
+				    vnc_display_set_credential(VNC_DISPLAY(gpdata->vnc),
+							       g_value_get_enum(cred),
+							       s_password)) {
+					g_debug("Failed to set credential type %d", g_value_get_enum(cred));
+					vnc_display_close(VNC_DISPLAY(gpdata->vnc));
+				}
+				break;
+			case VNC_DISPLAY_CREDENTIAL_CLIENTNAME:
+				if (vnc_display_set_credential(VNC_DISPLAY(gpdata->vnc),
+							       g_value_get_enum(cred),
+							       "remmina")) {
+					g_debug("Failed to set credential type %d", g_value_get_enum(cred));
+					vnc_display_close(VNC_DISPLAY(gpdata->vnc));
+				}
+				break;
+			default:
+				g_debug("Unsupported credential type %d", g_value_get_enum(cred));
+				vnc_display_close(VNC_DISPLAY(gpdata->vnc));
+			}
+		}
+
+		if (s_username) g_free(s_username);
+		if (s_password) g_free(s_password);
+
+		return TRUE;
+	} else {
+		return FALSE;
+	}
+
+cleanup:
+	g_free(s_username);
+	g_free(s_password);
+
+	//g_object_set(gpdata->session, "password", s_password, NULL);
+	return TRUE;
+}
+
+static void gvnc_plugin_initialized(GtkWidget *vncdisplay, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	RemminaFile *remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
+
+	REMMINA_PLUGIN_DEBUG("Connection initialized");
+
+	VncAudioFormat format = {
+		VNC_AUDIO_FORMAT_RAW_S32,
+		2,
+		44100,
+	};
+
+	gpdata->conn = vnc_display_get_connection(VNC_DISPLAY(gpdata->vnc));
+
+	if (remmina_plugin_service->file_get_int(remminafile, "enableaudio", FALSE)) {
+		vnc_connection_set_audio_format(gpdata->conn, &format);
+		vnc_connection_set_audio(gpdata->conn, VNC_AUDIO(gpdata->pa));
+		vnc_connection_audio_enable(gpdata->conn);
+	}
+	gpdata->width = vnc_display_get_width(VNC_DISPLAY(gpdata->vnc));
+	gpdata->width = vnc_display_get_height(VNC_DISPLAY(gpdata->vnc));
+}
+
+static void gvnc_plugin_disconnected(VncDisplay *vnc G_GNUC_UNUSED, RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	//GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	REMMINA_PLUGIN_DEBUG("[%s] Plugin disconnected", PLUGIN_NAME);
+}
+static gboolean gvnc_plugin_close_connection(RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+
+	REMMINA_PLUGIN_DEBUG("[%s] Plugin close connection", PLUGIN_NAME);
+
+	if (gpdata) {
+		if (gpdata->error_msg) g_free(gpdata->error_msg);
+		if (gpdata->vnc)
+			vnc_display_close(VNC_DISPLAY(gpdata->vnc));
+		//g_object_unref(gpdata->vnc);
+	}
+
+	/* Remove instance->context from gp object data to avoid double free */
+	g_object_steal_data(G_OBJECT(gp), "plugin-data");
+	remmina_plugin_service->protocol_plugin_signal_connection_closed(gp);
+	return FALSE;
+}
+
+static void gvnc_plugin_init(RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+	GVncPluginData *gpdata;
+	//VncGrabSequence *seq;
+
+	GtkClipboard *cb;
+
+	gpdata = g_new0(GVncPluginData, 1);
+	g_object_set_data_full(G_OBJECT(gp), "plugin-data", gpdata, g_free);
+
+	gpdata->pa = NULL;
+
+	REMMINA_PLUGIN_DEBUG("[%s] Plugin init", PLUGIN_NAME);
+
+	RemminaFile *remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
+
+	if (remmina_plugin_service->file_get_int(remminafile, "gvncdebug", FALSE))
+		vnc_util_set_debug(TRUE);
+
+	gpdata->vnc = vnc_display_new();
+	if (remmina_plugin_service->file_get_int(remminafile, "enableaudio", FALSE))
+		gpdata->pa = vnc_audio_pulse_new();
+
+
+	g_signal_connect(gpdata->vnc, "vnc-auth-credential",
+			 G_CALLBACK(gvnc_plugin_ask_auth), gp);
+	g_signal_connect(gpdata->vnc, "vnc-auth-failure",
+			 G_CALLBACK(gvnc_plugin_auth_failure), gp);
+	g_signal_connect(gpdata->vnc, "vnc-auth-unsupported",
+			 G_CALLBACK(gvnc_plugin_auth_unsupported), gp);
+	g_signal_connect(gpdata->vnc, "vnc-disconnected",
+			 G_CALLBACK(gvnc_plugin_disconnected), gp);
+	g_signal_connect(gpdata->vnc, "vnc-initialized",
+			 G_CALLBACK(gvnc_plugin_initialized), gp);
+	g_signal_connect(gpdata->vnc, "vnc-desktop-resize",
+			 G_CALLBACK(gvnc_plugin_desktop_resize), gp);
+	g_signal_connect(gpdata->vnc, "vnc-bell",
+			 G_CALLBACK(gvnc_plugin_on_bell), gp);
+	g_signal_connect(gpdata->vnc, "vnc-error",
+			 G_CALLBACK(gvnc_plugin_on_vnc_error), gp);
+	g_signal_connect(gpdata->vnc, "vnc-pointer-grab",
+			 G_CALLBACK(gvnc_plugin_mouse_grab), gp);
+	g_signal_connect(gpdata->vnc, "vnc-pointer-ungrab",
+			 G_CALLBACK(gvnc_plugin_mouse_ungrab), gp);
+	g_signal_connect(gpdata->vnc, "vnc-server-cut-text",
+			 G_CALLBACK(gvnc_plugin_cut_text), gp);
+	//seq = vnc_grab_sequence_new_from_string ("Control_R");
+	//vnc_display_set_grab_keys(VNC_DISPLAY(gpdata->vnc), seq);
+	//vnc_grab_sequence_free(seq);
+
+	/* Setup the clipboard */
+	cb = gtk_clipboard_get(GDK_SELECTION_CLIPBOARD);
+	gpdata->signal_clipboard = g_signal_connect(cb,
+						    "owner-change",
+						    G_CALLBACK(gvnc_plugin_clipboard_cb),
+						    gp);
+}
+
+static gboolean gvnc_plugin_open_connection(RemminaProtocolWidget *gp)
+{
+	TRACE_CALL(__func__);
+
+	gint port;
+	gchar *host, *tunnel;
+	GVncPluginData *gpdata = GET_PLUGIN_DATA(gp);
+	RemminaFile *remminafile = remmina_plugin_service->protocol_plugin_get_file(gp);
+
+	REMMINA_PLUGIN_DEBUG("[%s] Plugin open connection", PLUGIN_NAME);
+
+	gpdata->box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
+	gtk_container_add(GTK_CONTAINER(gp), gpdata->box);
+	gtk_widget_set_hexpand(GTK_WIDGET(gpdata->vnc), TRUE);
+	gtk_widget_set_vexpand(GTK_WIDGET(gpdata->vnc), TRUE);
+	gtk_container_add(GTK_CONTAINER(gpdata->box), gpdata->vnc);
+
+	remmina_plugin_service->protocol_plugin_register_hostkey(gp, gpdata->vnc);
+
+
+	/* Setup SSH tunnel if needed */
+	tunnel = remmina_plugin_service->protocol_plugin_start_direct_tunnel(gp, GVNC_DEFAULT_PORT, FALSE);
+
+	if (!tunnel)
+		return FALSE;
+
+	remmina_plugin_service->get_server_port(tunnel,
+						GVNC_DEFAULT_PORT,
+						&host,
+						&port);
+
+	gpdata->depth_profile = remmina_plugin_service->file_get_int(remminafile, "depth_profile", 24);
+	gpdata->viewonly = remmina_plugin_service->file_get_int(remminafile, "viewonly", FALSE);
+	vnc_display_set_depth(VNC_DISPLAY(gpdata->vnc), gpdata->depth_profile);
+	vnc_display_open_host(VNC_DISPLAY(gpdata->vnc), host, g_strdup_printf("%d", port));
+	gpdata->lossy_encoding = remmina_plugin_service->file_get_int(remminafile, "lossy_encoding", FALSE);
+	vnc_display_set_lossy_encoding(VNC_DISPLAY(gpdata->vnc), gpdata->shared);
+	vnc_display_set_shared_flag(VNC_DISPLAY(gpdata->vnc), gpdata->shared);
+
+	g_free(host);
+	g_free(tunnel);
+
+	/* TRUE Conflict with remmina? */
+	vnc_display_set_keyboard_grab(VNC_DISPLAY(gpdata->vnc), FALSE);
+	vnc_display_set_read_only(VNC_DISPLAY(gpdata->vnc), gpdata->viewonly);
+	/* TRUE Conflict with remmina? */
+	vnc_display_set_pointer_grab(VNC_DISPLAY(gpdata->vnc), FALSE);
+	vnc_display_set_pointer_local(VNC_DISPLAY(gpdata->vnc), TRUE);
+
+	vnc_display_set_force_size(VNC_DISPLAY(gpdata->vnc), FALSE);
+	vnc_display_set_scaling(VNC_DISPLAY(gpdata->vnc), TRUE);
+#ifdef HAVE_VNC_REMOTE_RESIZE
+	vnc_display_set_allow_resize(VNC_DISPLAY(gpdata->vnc), TRUE);
+	vnc_display_set_zoom_level(VNC_DISPLAY(gpdata->vnc), opt_zoom);
+#endif
+	remmina_plugin_service->protocol_plugin_signal_connection_opened(gp);
+	gtk_widget_show_all(gpdata->box);
+	return TRUE;
+}
+
+/* Array of key/value pairs for color depths */
+static gpointer colordepth_list[] =
+{
+	"0", N_("Use server settings"),
+	"1", N_("True colour (24 bits)"),
+	"2", N_("High colour (16 bits)"),
+	"3", N_("Low colour (8 bits)"),
+	"4", N_("Ultra low colour (3 bits)"),
+	NULL
+};
+/* Array of RemminaProtocolSetting for basic settings.
+ * Each item is composed by:
+ * a) RemminaProtocolSettingType for setting type
+ * b) Setting name
+ * c) Setting description
+ * d) Compact disposition
+ * e) Values for REMMINA_PROTOCOL_SETTING_TYPE_SELECT or REMMINA_PROTOCOL_SETTING_TYPE_COMBO
+ * f) Setting Tooltip
+ */
+static const RemminaProtocolSetting gvnc_plugin_basic_settings[] =
+{
+	{ REMMINA_PROTOCOL_SETTING_TYPE_SERVER,	  "server",	    NULL,			FALSE, NULL,		NULL					     },
+	{ REMMINA_PROTOCOL_SETTING_TYPE_PASSWORD, "password",	    N_("VNC password"),		FALSE, NULL,		NULL					     },
+	{ REMMINA_PROTOCOL_SETTING_TYPE_SELECT,	  "depth_profile",  N_("Colour depth"),		FALSE, colordepth_list, NULL					     },
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	  "lossy_encoding", N_("Use JPEG Compression"), TRUE,  NULL,		N_("This might not work on all VNC servers") },
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK,	  "gvncdebug",	    N_("Enable GTK-VNC debug"), FALSE, NULL,		NULL					     },
+	{ REMMINA_PROTOCOL_SETTING_TYPE_END,	  NULL,		    NULL,			FALSE, NULL,		NULL					     }
+};
+
+/* Array of RemminaProtocolSetting for advanced settings.
+ * Each item is composed by:
+ * a) RemminaProtocolSettingType for setting type
+ * b) Setting name
+ * c) Setting description
+ * d) Compact disposition
+ * e) Values for REMMINA_PROTOCOL_SETTING_TYPE_SELECT or REMMINA_PROTOCOL_SETTING_TYPE_COMBO
+ * f) Setting Tooltip
+ */
+static const RemminaProtocolSetting gvnc_plugin_advanced_settings[] =
+{
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "disableclipboard",	 N_("No clipboard sync"),	    TRUE,  NULL, NULL											},
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "disablepasswordstoring", N_("Forget passwords after use"),  FALSE, NULL, NULL											},
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "disableserverbell",	 N_("Ignore remote bell messages"), TRUE,  NULL, NULL											},
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "enableaudio",		 N_("Enable audio channel"),	    FALSE, NULL, NULL											},
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "viewonly",		 N_("View only"),		    TRUE,  NULL, NULL											},
+	{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "shared",		 N_("Shared connection"),	    TRUE,  NULL, N_("If the server should try to share the desktop by leaving other clients connected") },
+	{ REMMINA_PROTOCOL_SETTING_TYPE_END,   NULL,			 NULL,				    TRUE,  NULL, NULL											}
+};
+
+/* Array for available features.
+ * The last element of the array must be REMMINA_PROTOCOL_FEATURE_TYPE_END. */
+static const RemminaProtocolFeature gvnc_plugin_features[] =
+{
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_PREF,	      GVNC_PLUGIN_FEATURE_PREF_VIEWONLY,	     GINT_TO_POINTER(REMMINA_PROTOCOL_FEATURE_PREF_CHECK), "viewonly",	       N_("View only")	       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_PREF,	      GVNC_PLUGIN_FEATURE_PREF_DISABLECLIPBOARD,     GINT_TO_POINTER(REMMINA_PROTOCOL_FEATURE_PREF_CHECK), "disableclipboard", N_("No clipboard sync") },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTDEL,	     N_("Send Ctrl+Alt+_Del"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTBACKSPACE, N_("Send Ctrl+Alt+_Backspace"),			   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF1,	     N_("Send Ctrl+Alt+_F1"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF2,	     N_("Send Ctrl+Alt+_F2"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF3,	     N_("Send Ctrl+Alt+_F3"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF4,	     N_("Send Ctrl+Alt+_F4"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF5,	     N_("Send Ctrl+Alt+_F5"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF6,	     N_("Send Ctrl+Alt+_F6"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF7,	     N_("Send Ctrl+Alt+_F7"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF8,	     N_("Send Ctrl+Alt+_F8"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF9,	     N_("Send Ctrl+Alt+_F9"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF10,	     N_("Send Ctrl+Alt+_F10"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF11,	     N_("Send Ctrl+Alt+_F11"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SENDCTRLALTF12,	     N_("Send Ctrl+Alt+_F12"),				   NULL,	       NULL		       },
+#ifdef HAVE_VNC_POWER_CONTROL
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_REBOOT,		     N_("Reboot remote host"),				   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_RESET,		     N_("Reset remote host (hard reboot)"),		   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL,	      GVNC_PLUGIN_FEATURE_TOOL_SHUTDOWN,	     N_("Shutdown remote host"),			   NULL,	       NULL		       },
+#endif
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_DYNRESUPDATE, GVNC_PLUGIN_FEATURE_DYNRESUPDATE,		     NULL,						   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_SCALE,	      GVNC_PLUGIN_FEATURE_SCALE,		     NULL,						   NULL,	       NULL		       },
+	{ REMMINA_PROTOCOL_FEATURE_TYPE_END,	      0,					     NULL,						   NULL,	       NULL		       }
+};
+
+/* Protocol plugin definition and features */
+static RemminaProtocolPlugin remmina_plugin = {
+	REMMINA_PLUGIN_TYPE_PROTOCOL,           // Type
+	PLUGIN_NAME,                            // Name
+	PLUGIN_DESCRIPTION,                     // Description
+	GETTEXT_PACKAGE,                        // Translation domain
+	PLUGIN_VERSION,                         // Version number
+	PLUGIN_APPICON,                         // Icon for normal connection
+	PLUGIN_APPICON,                         // Icon for SSH connection
+	gvnc_plugin_basic_settings,             // Array for basic settings
+	gvnc_plugin_advanced_settings,          // Array for advanced settings
+	REMMINA_PROTOCOL_SSH_SETTING_TUNNEL,    // SSH settings type
+	gvnc_plugin_features,                   // Array for available features
+	gvnc_plugin_init,                       // Plugin initialization
+	gvnc_plugin_open_connection,            // Plugin open connection
+	gvnc_plugin_close_connection,           // Plugin close connection
+	gvnc_plugin_query_feature,              // Query for available features
+	gvnc_plugin_call_feature,               // Call a feature
+	gvnc_plugin_keystroke,                  // Send a keystroke
+	NULL,                                   // No screenshot support available
+	//gvnc_plugin_get_screenshot,             // No screenshot support available
+	NULL,                                   // RCW map event
+	NULL                                    // RCW unmap event
+};
+
+G_MODULE_EXPORT gboolean remmina_plugin_entry(RemminaPluginService *service)
+{
+	TRACE_CALL(__func__);
+	remmina_plugin_service = service;
+
+	bindtextdomain(GETTEXT_PACKAGE, REMMINA_RUNTIME_LOCALEDIR);
+	bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
+
+	if (!service->register_plugin((RemminaPlugin *)&remmina_plugin))
+		return FALSE;
+
+	return TRUE;
+}
diff --git a/plugins/gvnc/gvnc_plugin.h b/plugins/gvnc/gvnc_plugin.h
new file mode 100644
index 000000000..2723d996b
--- /dev/null
+++ b/plugins/gvnc/gvnc_plugin.h
@@ -0,0 +1,109 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2016-2021 Antenore Gatta, Giovanni Panozzo
+ *
+ * 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,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#include "common/remmina_plugin.h"
+
+#include <gdk/gdkkeysyms.h>
+#include <vncdisplay.h>
+#include <vncutil.h>
+#include <vncaudiopulse.h>
+
+
+#ifndef GDK_Return
+#define GDK_Return GDK_KEY_Return
+#endif
+#ifndef GDK_Escape
+#define GDK_Escape GDK_KEY_Escape
+#endif
+#ifndef GDK_BackSpace
+#define GDK_BackSpace GDK_KEY_BackSpace
+#endif
+#ifndef GDK_Delete
+#define GDK_Delete GDK_KEY_Delete
+#endif
+#ifndef GDK_Control_L
+#define GDK_Control_L GDK_KEY_Control_L
+#endif
+#ifndef GDK_Alt_L
+#define GDK_Alt_L GDK_KEY_Alt_L
+#endif
+#ifndef GDK_F1
+#define GDK_F1 GDK_KEY_F1
+#endif
+#ifndef GDK_F2
+#define GDK_F2 GDK_KEY_F2
+#endif
+#ifndef GDK_F3
+#define GDK_F3 GDK_KEY_F3
+#endif
+#ifndef GDK_F4
+#define GDK_F4 GDK_KEY_F4
+#endif
+#ifndef GDK_F5
+#define GDK_F5 GDK_KEY_F5
+#endif
+#ifndef GDK_F6
+#define GDK_F6 GDK_KEY_F6
+#endif
+#ifndef GDK_F7
+#define GDK_F7 GDK_KEY_F7
+#endif
+#ifndef GDK_F8
+#define GDK_F8 GDK_KEY_F8
+#endif
+#ifndef GDK_F11
+#define GDK_F11 GDK_KEY_F11
+#endif
+
+#define GET_PLUGIN_DATA(gp) (GVncPluginData *)g_object_get_data(G_OBJECT(gp), "plugin-data")
+#define REMMINA_PLUGIN_DEBUG(fmt, ...) remmina_plugin_service->_remmina_debug(__func__, fmt, ## __VA_ARGS__)
+
+typedef struct _GVncPluginData {
+	GtkWidget *	box;
+	GtkWidget *	vnc;
+	VncConnection * conn;
+	VncAudioPulse * pa;
+	gchar *		error_msg;
+	gchar *		clipstr;
+	gulong		signal_clipboard;
+	gint		depth_profile;
+	gint		shared;
+	gboolean	lossy_encoding;
+	gboolean	viewonly;
+	gint		width;
+	gint		height;
+} GVncPluginData;
+
+G_BEGIN_DECLS
+G_END_DECLS
diff --git a/plugins/gvnc/gvnc_plugin_config.h b/plugins/gvnc/gvnc_plugin_config.h
new file mode 100644
index 000000000..a51801593
--- /dev/null
+++ b/plugins/gvnc/gvnc_plugin_config.h
@@ -0,0 +1,43 @@
+/*
+ * Remmina - The GTK+ Remote Desktop Client
+ * Copyright (C) 2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
+ * Copyright (C) 2016-2021 Antenore Gatta, Giovanni Panozzo
+ *
+ * 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,
+ * Boston, MA  02110-1301, USA.
+ *
+ *  In addition, as a special exception, the copyright holders give
+ *  permission to link the code of portions of this program with the
+ *  OpenSSL library under certain conditions as described in each
+ *  individual source file, and distribute linked combinations
+ *  including the two.
+ *  You must obey the GNU General Public License in all respects
+ *  for all of the code used other than OpenSSL. *  If you modify
+ *  file(s) with this exception, you may extend this exception to your
+ *  version of the file(s), but you are not obligated to do so. *  If you
+ *  do not wish to do so, delete this exception statement from your
+ *  version. *  If you delete this exception statement from all source
+ *  files in the program, then also delete it here.
+ *
+ */
+
+#ifndef __PLUGIN_CONFIG_H
+#define __PLUGIN_CONFIG_H
+
+#define PLUGIN_NAME        "GVNC"
+#define PLUGIN_DESCRIPTION N_("Remmina VNC plugin GNOME and KVM")
+#define PLUGIN_VERSION     "0.1b"
+#define PLUGIN_APPICON     "remmina-gvnc-symbolic"
+#endif
diff --git a/plugins/gvnc/scalable/emblems/remmina-gvnc-ssh-symbolic.svg b/plugins/gvnc/scalable/emblems/remmina-gvnc-ssh-symbolic.svg
new file mode 100644
index 000000000..6c1da590e
--- /dev/null
+++ b/plugins/gvnc/scalable/emblems/remmina-gvnc-ssh-symbolic.svg
@@ -0,0 +1,90 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
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diff --git a/plugins/gvnc/scalable/emblems/remmina-gvnc-symbolic.svg b/plugins/gvnc/scalable/emblems/remmina-gvnc-symbolic.svg
new file mode 100644
index 000000000..060a62a94
--- /dev/null
+++ b/plugins/gvnc/scalable/emblems/remmina-gvnc-symbolic.svg
@@ -0,0 +1,115 @@
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