92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Input Virtual Channel Extension
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*
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* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@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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#ifndef FREERDP_CHANNEL_RDPEI_CLIENT_MAIN_H
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#define FREERDP_CHANNEL_RDPEI_CLIENT_MAIN_H
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <freerdp/dvc.h>
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#include <freerdp/types.h>
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#include <freerdp/addin.h>
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#include <freerdp/channels/log.h>
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#include <freerdp/channels/rdpei.h>
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#include <freerdp/client/rdpei.h>
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#define TAG CHANNELS_TAG("rdpei.client")
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#define RDPINPUT_CONTACT_STATE_INITIAL 0x0000
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#define RDPINPUT_CONTACT_STATE_ENGAGED 0x0001
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#define RDPINPUT_CONTACT_STATE_HOVERING 0x0002
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#define RDPINPUT_CONTACT_STATE_OUT_OF_RANGE 0x0003
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/**
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* Touch Contact State Transitions
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*
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* ENGAGED -> UPDATE | INRANGE | INCONTACT -> ENGAGED
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* ENGAGED -> UP | INRANGE -> HOVERING
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* ENGAGED -> UP -> OUT_OF_RANGE
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* ENGAGED -> UP | CANCELED -> OUT_OF_RANGE
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*
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* HOVERING -> UPDATE | INRANGE -> HOVERING
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* HOVERING -> DOWN | INRANGE | INCONTACT -> ENGAGED
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* HOVERING -> UPDATE -> OUT_OF_RANGE
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* HOVERING -> UPDATE | CANCELED -> OUT_OF_RANGE
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*
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* OUT_OF_RANGE -> DOWN | INRANGE | INCONTACT -> ENGAGED
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* OUT_OF_RANGE -> UPDATE | INRANGE -> HOVERING
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*
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* When a contact is in the "hovering" or "engaged" state, it is referred to as being "active".
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* "Hovering" contacts are in range of the digitizer, while "engaged" contacts are in range of
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* the digitizer and in contact with the digitizer surface. MS-RDPEI remotes only active contacts
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* and contacts that are transitioning to the "out of range" state; see section 2.2.3.3.1.1 for
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* an enumeration of valid state flags combinations.
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*
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* When transitioning from the "engaged" state to the "hovering" state, or from the "engaged"
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* state to the "out of range" state, the contact position cannot change; it is only allowed
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* to change after the transition has taken place.
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*
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*/
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struct _RDPINPUT_CONTACT_POINT
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{
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int lastX;
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int lastY;
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BOOL dirty;
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BOOL active;
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UINT32 state;
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UINT32 flags;
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UINT32 contactId;
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int externalId;
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RDPINPUT_CONTACT_DATA data;
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};
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typedef struct _RDPINPUT_CONTACT_POINT RDPINPUT_CONTACT_POINT;
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#ifdef WITH_DEBUG_DVC
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#define DEBUG_DVC(...) WLog_DBG(TAG, __VA_ARGS__)
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#else
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#define DEBUG_DVC(...) do { } while (0)
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#endif
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#endif /* FREERDP_CHANNEL_RDPEI_CLIENT_MAIN_H */
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