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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Scroll Wheel Management (Scroll Wheel) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_scroll_wheel.h" |
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GX_CALLER_CHECKING_EXTERNS |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gxe_scroll_wheel_speed_set PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function checks for errors in scroll wheel speed set. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* wheel Scroll wheel control block */ |
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/* wheel Scroll wheel control block */ |
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/* start_speed_rate The rate of start speed to */ |
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/* flick speed. */ |
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/* end_speed_rate The rate of end speed to */ |
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/* flick speed. */ |
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/* max_steps Max steps for scrolling */ |
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/* delay Delay time of each step */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* status Completion status */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_scroll_wheel_speed_set Actual scroll wheel speed set */ |
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/* call */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gxe_scroll_wheel_speed_set(GX_SCROLL_WHEEL *wheel, GX_FIXED_VAL start_speed_rate, GX_FIXED_VAL end_speed_rate, |
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GX_VALUE max_steps, GX_VALUE delay) |
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{ |
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UINT status; |
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/* Check for appropriate caller. */ |
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✓✓✓✓
✓✓ |
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GX_INIT_AND_THREADS_CALLER_CHECKING |
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✓✓ |
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if (wheel == GX_NULL) |
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{ |
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return GX_PTR_ERROR; |
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} |
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✓✓ |
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if (wheel -> gx_widget_type == 0) |
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{ |
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return GX_INVALID_WIDGET; |
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} |
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✓✓ |
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if (delay <= 0) |
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{ |
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return GX_INVALID_VALUE; |
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} |
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status = _gx_scroll_wheel_speed_set(wheel, start_speed_rate, end_speed_rate, max_steps, delay); |
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return status; |
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} |
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