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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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/** Slider Management (Slider) */ |
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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_slider.h" |
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/* Bring in externs for caller checking code. */ |
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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_slider_value_calculate 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 slider value calculate call. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* slider Slider widget control block */ |
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/* info Pointer to slider info */ |
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/* new_position New slider position */ |
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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_slider_value_calculate Actual slider value calculate */ |
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/* call */ |
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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_slider_value_calculate(GX_SLIDER *slider, GX_SLIDER_INFO *info, INT new_position) |
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{ |
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UINT status; |
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/* Check for invalid caller. */ |
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✓✓✓✓
✓✓ |
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GX_INIT_AND_THREADS_CALLER_CHECKING |
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/* Check for invalid pointer. */ |
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✓✓✓✓
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if ((slider == GX_NULL) || (info == GX_NULL)) |
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{ |
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return(GX_PTR_ERROR); |
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} |
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/* Check for invalid widget. */ |
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✓✓ |
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if (slider -> gx_widget_type == 0) |
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{ |
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return(GX_INVALID_WIDGET); |
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} |
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/* Check for invalid slider info. */ |
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✓✓ |
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if ((info -> gx_slider_info_current_val < info -> gx_slider_info_min_val) || |
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✓✓ |
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(info -> gx_slider_info_current_val > info -> gx_slider_info_max_val) || |
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✓✓ |
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(info -> gx_slider_info_min_val >= info -> gx_slider_info_max_val)) |
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{ |
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return(GX_INVALID_VALUE); |
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} |
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/* Call actual slider value caculate function. */ |
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status = _gx_slider_value_calculate(slider, info, new_position); |
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return(status); |
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} |
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