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