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