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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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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 Management (Scroll) */ |
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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_system.h" |
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#include "gx_widget.h" |
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#include "gx_scrollbar.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_scrollbar_limit_check 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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/* Check the scrollbar assigned value and make sure it is within the */ |
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/* range limits. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* scrollbar Scrollbar control block */ |
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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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/* None */ |
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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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/**************************************************************************/ |
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UINT _gx_scrollbar_limit_check(GX_SCROLLBAR *scrollbar) |
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{ |
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if (scrollbar -> gx_scrollbar_info.gx_scroll_value > |
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✓✓ |
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((scrollbar -> gx_scrollbar_info.gx_scroll_maximum - scrollbar -> gx_scrollbar_info.gx_scroll_visible) + 1)) |
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{ |
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scrollbar -> gx_scrollbar_info.gx_scroll_value = |
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(scrollbar -> gx_scrollbar_info.gx_scroll_maximum - scrollbar -> gx_scrollbar_info.gx_scroll_visible) + 1; |
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} |
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✓✓ |
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if (scrollbar -> gx_scrollbar_info.gx_scroll_value < scrollbar -> gx_scrollbar_info.gx_scroll_minimum) |
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{ |
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scrollbar -> gx_scrollbar_info.gx_scroll_value = scrollbar -> gx_scrollbar_info.gx_scroll_minimum; |
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} |
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return(GX_SUCCESS); |
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} |
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