555 lines
13 KiB
C
555 lines
13 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Wayland Input
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*
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* Copyright 2014 Manuel Bachmann <tarnyko@tarnyko.net>
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* Copyright 2015 David Fort <contact@hardening-consulting.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 <stdlib.h>
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#include <float.h>
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#include <linux/input.h>
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#include <winpr/assert.h>
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#include <freerdp/locale/keyboard.h>
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#include <freerdp/client/rdpei.h>
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#include <uwac/uwac.h>
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#include "wlfreerdp.h"
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#include "wlf_input.h"
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#define TAG CLIENT_TAG("wayland.input")
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static BOOL scale_signed_coordinates(rdpContext* context, int32_t* x, int32_t* y,
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BOOL fromLocalToRDP)
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{
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BOOL rc;
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UINT32 ux;
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UINT32 uy;
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WINPR_ASSERT(context);
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WINPR_ASSERT(x);
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WINPR_ASSERT(y);
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WINPR_ASSERT(*x >= 0);
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WINPR_ASSERT(*y >= 0);
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ux = (UINT32)*x;
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uy = (UINT32)*y;
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rc = wlf_scale_coordinates(context, &ux, &uy, fromLocalToRDP);
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WINPR_ASSERT(ux < INT32_MAX);
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WINPR_ASSERT(uy < INT32_MAX);
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*x = (int32_t)ux;
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*y = (int32_t)uy;
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return rc;
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}
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BOOL wlf_handle_pointer_enter(freerdp* instance, const UwacPointerEnterLeaveEvent* ev)
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{
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uint32_t x, y;
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if (!instance || !ev || !instance->input)
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return FALSE;
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x = ev->x;
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y = ev->y;
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if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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WINPR_ASSERT(x <= UINT16_MAX);
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WINPR_ASSERT(y <= UINT16_MAX);
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return freerdp_input_send_mouse_event(instance->input, PTR_FLAGS_MOVE, (UINT16)x, (UINT16)y);
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}
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BOOL wlf_handle_pointer_motion(freerdp* instance, const UwacPointerMotionEvent* ev)
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{
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uint32_t x, y;
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if (!instance || !ev || !instance->input)
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return FALSE;
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x = ev->x;
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y = ev->y;
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if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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WINPR_ASSERT(x <= UINT16_MAX);
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WINPR_ASSERT(y <= UINT16_MAX);
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return freerdp_input_send_mouse_event(instance->input, PTR_FLAGS_MOVE, (UINT16)x, (UINT16)y);
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}
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BOOL wlf_handle_pointer_buttons(freerdp* instance, const UwacPointerButtonEvent* ev)
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{
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rdpInput* input;
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UINT16 flags = 0;
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UINT16 xflags = 0;
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uint32_t x, y;
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if (!instance || !ev || !instance->input)
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return FALSE;
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x = ev->x;
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y = ev->y;
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if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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input = instance->input;
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if (ev->state == WL_POINTER_BUTTON_STATE_PRESSED)
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{
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flags |= PTR_FLAGS_DOWN;
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xflags |= PTR_XFLAGS_DOWN;
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}
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switch (ev->button)
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{
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case BTN_LEFT:
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flags |= PTR_FLAGS_BUTTON1;
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break;
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case BTN_RIGHT:
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flags |= PTR_FLAGS_BUTTON2;
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break;
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case BTN_MIDDLE:
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flags |= PTR_FLAGS_BUTTON3;
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break;
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case BTN_SIDE:
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xflags |= PTR_XFLAGS_BUTTON1;
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break;
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case BTN_EXTRA:
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xflags |= PTR_XFLAGS_BUTTON2;
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break;
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default:
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return TRUE;
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}
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WINPR_ASSERT(x <= UINT16_MAX);
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WINPR_ASSERT(y <= UINT16_MAX);
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if ((flags & ~PTR_FLAGS_DOWN) != 0)
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return freerdp_input_send_mouse_event(input, flags, (UINT16)x, (UINT16)y);
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if ((xflags & ~PTR_XFLAGS_DOWN) != 0)
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return freerdp_input_send_extended_mouse_event(input, xflags, (UINT16)x, (UINT16)y);
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return FALSE;
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}
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BOOL wlf_handle_pointer_axis(freerdp* instance, const UwacPointerAxisEvent* ev)
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{
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wlfContext* context;
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if (!instance || !instance->context || !ev)
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return FALSE;
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context = (wlfContext*)instance->context;
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return ArrayList_Append(context->events, ev);
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}
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BOOL wlf_handle_pointer_axis_discrete(freerdp* instance, const UwacPointerAxisEvent* ev)
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{
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wlfContext* context;
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if (!instance || !instance->context || !ev)
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return FALSE;
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context = (wlfContext*)instance->context;
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return ArrayList_Append(context->events, ev);
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}
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static BOOL wlf_handle_wheel(freerdp* instance, uint32_t x, uint32_t y, uint32_t axis,
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int32_t value)
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{
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rdpInput* input;
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UINT16 flags = 0;
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int32_t direction;
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uint32_t avalue = (uint32_t)abs(value);
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WINPR_ASSERT(instance);
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input = instance->input;
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WINPR_ASSERT(input);
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if (!wlf_scale_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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input = instance->input;
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direction = value;
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switch (axis)
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{
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case WL_POINTER_AXIS_VERTICAL_SCROLL:
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flags |= PTR_FLAGS_WHEEL;
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if (direction > 0)
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flags |= PTR_FLAGS_WHEEL_NEGATIVE;
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break;
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case WL_POINTER_AXIS_HORIZONTAL_SCROLL:
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flags |= PTR_FLAGS_HWHEEL;
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if (direction < 0)
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flags |= PTR_FLAGS_WHEEL_NEGATIVE;
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break;
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default:
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return FALSE;
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}
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/* Wheel rotation steps:
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*
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* positive: 0 ... 0xFF -> slow ... fast
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* negative: 0 ... 0xFF -> fast ... slow
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*/
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while (avalue > 0)
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{
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const UINT16 cval = (avalue > 0xFF) ? 0xFF : (UINT16)avalue;
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UINT16 cflags = flags | cval;
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/* Convert negative values to 9bit twos complement */
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if (flags & PTR_FLAGS_WHEEL_NEGATIVE)
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cflags = (flags & 0xFF00) | (0x100 - cval);
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if (!freerdp_input_send_mouse_event(input, cflags, (UINT16)x, (UINT16)y))
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return FALSE;
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avalue -= cval;
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}
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return TRUE;
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}
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BOOL wlf_handle_pointer_frame(freerdp* instance, const UwacPointerFrameEvent* ev)
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{
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BOOL success = TRUE;
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BOOL handle = FALSE;
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size_t x;
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wlfContext* context;
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enum wl_pointer_axis_source source = WL_POINTER_AXIS_SOURCE_CONTINUOUS;
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if (!instance || !ev || !instance->input || !instance->context)
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return FALSE;
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context = (wlfContext*)instance->context;
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for (x = 0; x < ArrayList_Count(context->events); x++)
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{
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UwacEvent* cev = ArrayList_GetItem(context->events, x);
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if (!cev)
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continue;
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if (cev->type == UWAC_EVENT_POINTER_SOURCE)
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{
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handle = TRUE;
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source = cev->mouse_source.axis_source;
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}
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}
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/* We need source events to determine how to interpret the data */
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if (handle)
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{
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for (x = 0; x < ArrayList_Count(context->events); x++)
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{
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UwacEvent* cev = ArrayList_GetItem(context->events, x);
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if (!cev)
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continue;
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switch (source)
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{
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/* If we have a mouse wheel, just use discrete data */
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case WL_POINTER_AXIS_SOURCE_WHEEL:
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#if defined(WL_POINTER_AXIS_SOURCE_WHEEL_TILT_SINCE_VERSION)
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case WL_POINTER_AXIS_SOURCE_WHEEL_TILT:
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#endif
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if (cev->type == UWAC_EVENT_POINTER_AXIS_DISCRETE)
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{
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/* Get the number of steps, multiply by default step width of 120 */
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int32_t val = cev->mouse_axis.value * 0x78;
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/* No wheel event received, success! */
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if (!wlf_handle_wheel(instance, cev->mouse_axis.x, cev->mouse_axis.y,
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cev->mouse_axis.axis, val))
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success = FALSE;
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}
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break;
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/* If we have a touch pad we get actual data, scale */
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case WL_POINTER_AXIS_SOURCE_FINGER:
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case WL_POINTER_AXIS_SOURCE_CONTINUOUS:
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if (cev->type == UWAC_EVENT_POINTER_AXIS)
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{
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double dval = wl_fixed_to_double(cev->mouse_axis.value);
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int32_t val = (int32_t)(dval * 0x78 / 10.0);
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if (!wlf_handle_wheel(instance, cev->mouse_axis.x, cev->mouse_axis.y,
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cev->mouse_axis.axis, val))
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success = FALSE;
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}
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break;
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default:
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break;
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}
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}
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}
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ArrayList_Clear(context->events);
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return success;
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}
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BOOL wlf_handle_pointer_source(freerdp* instance, const UwacPointerSourceEvent* ev)
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{
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wlfContext* context;
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if (!instance || !instance->context || !ev)
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return FALSE;
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context = (wlfContext*)instance->context;
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return ArrayList_Append(context->events, ev);
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}
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BOOL wlf_handle_key(freerdp* instance, const UwacKeyEvent* ev)
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{
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rdpInput* input;
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DWORD rdp_scancode;
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if (!instance || !ev || !instance->input)
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return FALSE;
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if (instance->context->settings->GrabKeyboard && ev->raw_key == KEY_RIGHTCTRL)
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wlf_handle_ungrab_key(instance, ev);
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input = instance->input;
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rdp_scancode = freerdp_keyboard_get_rdp_scancode_from_x11_keycode(ev->raw_key + 8);
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if (rdp_scancode == RDP_SCANCODE_UNKNOWN)
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return TRUE;
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return freerdp_input_send_keyboard_event_ex(input, ev->pressed, rdp_scancode);
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}
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BOOL wlf_handle_ungrab_key(freerdp* instance, const UwacKeyEvent* ev)
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{
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wlfContext* context;
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if (!instance || !instance->context || !ev)
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return FALSE;
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context = (wlfContext*)instance->context;
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return UwacSeatInhibitShortcuts(context->seat, false) == UWAC_SUCCESS;
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}
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BOOL wlf_keyboard_enter(freerdp* instance, const UwacKeyboardEnterLeaveEvent* ev)
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{
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if (!instance || !ev || !instance->input)
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return FALSE;
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((wlfContext*)instance->context)->focusing = TRUE;
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return TRUE;
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}
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BOOL wlf_keyboard_modifiers(freerdp* instance, const UwacKeyboardModifiersEvent* ev)
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{
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rdpInput* input;
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UINT16 syncFlags;
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if (!instance || !ev || !instance->input)
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return FALSE;
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input = instance->input;
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syncFlags = 0;
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if (ev->modifiers & UWAC_MOD_CAPS_MASK)
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syncFlags |= KBD_SYNC_CAPS_LOCK;
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if (ev->modifiers & UWAC_MOD_NUM_MASK)
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syncFlags |= KBD_SYNC_NUM_LOCK;
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if (!((wlfContext*)instance->context)->focusing)
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return TRUE;
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((wlfContext*)instance->context)->focusing = FALSE;
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return freerdp_input_send_focus_in_event(input, syncFlags) &&
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freerdp_input_send_mouse_event(input, PTR_FLAGS_MOVE, 0, 0);
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}
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BOOL wlf_handle_touch_up(freerdp* instance, const UwacTouchUp* ev)
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{
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int32_t x = 0, y = 0;
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size_t i;
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int touchId;
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int contactId;
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wlfContext* wlf;
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if (!instance || !ev || !instance->context)
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return FALSE;
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wlf = (wlfContext*)instance->context;
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touchId = ev->id;
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for (i = 0; i < MAX_CONTACTS; i++)
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{
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touchContact* contact = &wlf->contacts[i];
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if (contact->id == touchId)
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{
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contact->id = 0;
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x = (int32_t)contact->pos_x;
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y = (int32_t)contact->pos_y;
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break;
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}
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}
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if (i == MAX_CONTACTS)
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return FALSE;
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WLog_DBG(TAG, "%s called | event_id: %u | x: %u / y: %u", __FUNCTION__, touchId, x, y);
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if (!scale_signed_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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RdpeiClientContext* rdpei = wlf->rdpei;
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if (wlf->contacts[i].emulate_mouse == TRUE)
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{
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UINT16 flags = 0;
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flags |= PTR_FLAGS_BUTTON1;
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WINPR_ASSERT(x <= UINT16_MAX);
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WINPR_ASSERT(y <= UINT16_MAX);
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return freerdp_input_send_mouse_event(instance->input, flags, (UINT16)x, (UINT16)y);
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}
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if (!rdpei)
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return FALSE;
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WINPR_ASSERT(rdpei->TouchEnd);
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rdpei->TouchEnd(rdpei, touchId, x, y, &contactId);
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return TRUE;
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}
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BOOL wlf_handle_touch_down(freerdp* instance, const UwacTouchDown* ev)
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{
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int32_t x, y;
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int i;
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int touchId;
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int contactId;
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wlfContext* wlf;
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if (!instance || !ev || !instance->context)
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return FALSE;
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wlf = (wlfContext*)instance->context;
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x = ev->x;
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y = ev->y;
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touchId = ev->id;
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for (i = 0; i < MAX_CONTACTS; i++)
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{
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if (wlf->contacts[i].id == 0)
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{
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wlf->contacts[i].id = touchId;
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wlf->contacts[i].pos_x = x;
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wlf->contacts[i].pos_y = y;
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wlf->contacts[i].emulate_mouse = FALSE;
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break;
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}
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}
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if (i == MAX_CONTACTS)
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return FALSE;
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WLog_DBG(TAG, "%s called | event_id: %u | x: %u / y: %u", __FUNCTION__, touchId, x, y);
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if (!scale_signed_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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RdpeiClientContext* rdpei = wlf->rdpei;
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// Emulate mouse click if touch is not possible, like in login screen
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if (!rdpei)
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{
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wlf->contacts[i].emulate_mouse = TRUE;
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UINT16 flags = 0;
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flags |= PTR_FLAGS_DOWN;
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flags |= PTR_FLAGS_MOVE;
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flags |= PTR_FLAGS_BUTTON1;
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WINPR_ASSERT(x <= UINT16_MAX);
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WINPR_ASSERT(y <= UINT16_MAX);
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return freerdp_input_send_mouse_event(instance->input, flags, (UINT16)x, (UINT16)y);
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}
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WINPR_ASSERT(rdpei);
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WINPR_ASSERT(rdpei->TouchBegin);
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rdpei->TouchBegin(rdpei, touchId, x, y, &contactId);
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return TRUE;
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}
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BOOL wlf_handle_touch_motion(freerdp* instance, const UwacTouchMotion* ev)
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{
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int32_t x, y;
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int i;
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int touchId;
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int contactId;
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wlfContext* wlf;
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if (!instance || !ev || !instance->context)
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return FALSE;
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wlf = (wlfContext*)instance->context;
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x = ev->x;
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y = ev->y;
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touchId = ev->id;
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for (i = 0; i < MAX_CONTACTS; i++)
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{
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if (wlf->contacts[i].id == touchId)
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{
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if ((fabs(wlf->contacts[i].pos_x - x) < DBL_EPSILON) &&
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(fabs(wlf->contacts[i].pos_y - y) < DBL_EPSILON))
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{
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return TRUE;
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}
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wlf->contacts[i].pos_x = x;
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wlf->contacts[i].pos_y = y;
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break;
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}
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}
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if (i == MAX_CONTACTS)
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return FALSE;
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WLog_DBG(TAG, "%s called | event_id: %u | x: %u / y: %u", __FUNCTION__, touchId, x, y);
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if (!scale_signed_coordinates(instance->context, &x, &y, TRUE))
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return FALSE;
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RdpeiClientContext* rdpei = ((wlfContext*)instance->context)->rdpei;
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|
if (wlf->contacts[i].emulate_mouse == TRUE)
|
|
{
|
|
UINT16 flags = 0;
|
|
flags |= PTR_FLAGS_MOVE;
|
|
|
|
WINPR_ASSERT(x <= UINT16_MAX);
|
|
WINPR_ASSERT(y <= UINT16_MAX);
|
|
return freerdp_input_send_mouse_event(instance->input, flags, (UINT16)x, (UINT16)y);
|
|
}
|
|
|
|
if (!rdpei)
|
|
return FALSE;
|
|
|
|
WINPR_ASSERT(rdpei->TouchUpdate);
|
|
rdpei->TouchUpdate(rdpei, touchId, x, y, &contactId);
|
|
|
|
return TRUE;
|
|
}
|