guacamole-spice-protocol/src/protocols/rdp/rdp_disp.c

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/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include "client.h"
#include <freerdp/freerdp.h>
#include <freerdp/client/disp.h>
#include <guacamole/client.h>
/**
* Called whenever a channel connects. If that channel happens to be the
* display update channel, a reference to that channel will be stored within
* the guac_client data.
*/
static void guac_rdp_disp_channel_connected(rdpContext* context,
ChannelConnectedEventArgs* e) {
/* Store reference to the display update plugin once it's connected */
if (strcmp(e->name, DISP_DVC_CHANNEL_NAME) == 0) {
DispClientContext* disp = (DispClientContext*) e->pInterface;
guac_client* client = ((rdp_freerdp_context*) context)->client;
rdp_guac_client_data* guac_client_data =
(rdp_guac_client_data*) client->data;
guac_client_data->disp = disp;
guac_client_log(client, GUAC_LOG_DEBUG,
"Display update channel connected.");
}
}
void guac_rdp_disp_load_plugin(rdpContext* context) {
/* Subscribe to and handle channel connected events */
PubSub_SubscribeChannelConnected(context->pubSub,
(pChannelConnectedEventHandler) guac_rdp_disp_channel_connected);
#ifdef HAVE_RDPSETTINGS_SUPPORTDISPLAYCONTROL
context->settings->SupportDisplayControl = TRUE;
#endif
/* Add "disp" channel */
ADDIN_ARGV* args = malloc(sizeof(ADDIN_ARGV));
args->argc = 1;
args->argv = malloc(sizeof(char**) * 1);
args->argv[0] = strdup("disp");
freerdp_dynamic_channel_collection_add(context->settings, args);
}
void guac_rdp_disp_send_size(rdpContext* context, int width, int height) {
guac_client* client = ((rdp_freerdp_context*) context)->client;
rdp_guac_client_data* guac_client_data =
(rdp_guac_client_data*) client->data;
/* Send display update notification if display channel is connected */
if (guac_client_data->disp != NULL) {
guac_client_log(client, GUAC_LOG_DEBUG,
"Resizing remote display to %ix%i\n",
width, height);
DISPLAY_CONTROL_MONITOR_LAYOUT monitors[1] = {{
.Flags = 0x1, /* DISPLAYCONTROL_MONITOR_PRIMARY */
.Left = 0,
.Top = 0,
.Width = width,
.Height = height,
.PhysicalWidth = 0,
.PhysicalHeight = 0,
.Orientation = 0,
.DesktopScaleFactor = 0,
.DeviceScaleFactor = 0
}};
guac_client_data->disp->SendMonitorLayout(guac_client_data->disp, 1,
monitors);
}
}