1 files changed, 90 insertions, 0 deletions
diff --git a/libfreerdp/core/display.c b/libfreerdp/core/display.c
new file mode 100644
index 0000000..cda250a
--- /dev/null
+++ b/libfreerdp/core/display.c
@@ -0,0 +1,90 @@
+/**
+ * FreeRDP: A Remote Desktop Protocol Implementation
+ * Display update notifications
+ *
+ * Copyright 2019 Kobi Mizrachi <kmizrachi18@gmail.com>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "display.h"
+
+static BOOL display_write_monitor_layout_pdu(wStream* s, UINT32 monitorCount,
+                                             const MONITOR_DEF* monitorDefArray)
+{
+	if (!Stream_EnsureRemainingCapacity(s, 4 + (monitorCount * 20)))
+		return FALSE;
+
+	Stream_Write_UINT32(s, monitorCount); /* monitorCount (4 bytes) */
+
+	for (UINT32 index = 0; index < monitorCount; index++)
+	{
+		const MONITOR_DEF* monitor = &monitorDefArray[index];
+
+		Stream_Write_INT32(s, monitor->left);   /* left (4 bytes) */
+		Stream_Write_INT32(s, monitor->top);    /* top (4 bytes) */
+		Stream_Write_INT32(s, monitor->right);  /* right (4 bytes) */
+		Stream_Write_INT32(s, monitor->bottom); /* bottom (4 bytes) */
+		Stream_Write_UINT32(s, monitor->flags); /* flags (4 bytes) */
+	}
+
+	return TRUE;
+}
+
+BOOL display_convert_rdp_monitor_to_monitor_def(UINT32 monitorCount,
+                                                const rdpMonitor* monitorDefArray,
+                                                MONITOR_DEF** result)
+{
+	MONITOR_DEF* mdef = NULL;
+
+	if (!monitorDefArray || !result || (*result))
+		return FALSE;
+
+	mdef = (MONITOR_DEF*)calloc(monitorCount, sizeof(MONITOR_DEF));
+
+	if (!mdef)
+		return FALSE;
+
+	for (UINT32 index = 0; index < monitorCount; index++)
+	{
+		const rdpMonitor* monitor = &monitorDefArray[index];
+		MONITOR_DEF* current = &mdef[index];
+
+		current->left = monitor->x;                                   /* left (4 bytes) */
+		current->top = monitor->y;                                    /* top (4 bytes) */
+		current->right = monitor->x + monitor->width - 1;             /* right (4 bytes) */
+		current->bottom = monitor->y + monitor->height - 1;           /* bottom (4 bytes) */
+		current->flags = monitor->is_primary ? MONITOR_PRIMARY : 0x0; /* flags (4 bytes) */
+	}
+
+	*result = mdef;
+	return TRUE;
+}
+
+BOOL freerdp_display_send_monitor_layout(rdpContext* context, UINT32 monitorCount,
+                                         const MONITOR_DEF* monitorDefArray)
+{
+	rdpRdp* rdp = context->rdp;
+	wStream* st = rdp_data_pdu_init(rdp);
+
+	if (!st)
+		return FALSE;
+
+	if (!display_write_monitor_layout_pdu(st, monitorCount, monitorDefArray))
+	{
+		Stream_Release(st);
+		return FALSE;
+	}
+
+	return rdp_send_data_pdu(rdp, st, DATA_PDU_TYPE_MONITOR_LAYOUT, 0);
+}