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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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/** Scrollbar Management (Scrollbar) */ |
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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_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_reset 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 service resets the scrollbar. */ |
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/* */ |
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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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/* info Pointer to GX_SCROLL */ |
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/* structure that defines the */ |
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/* scrollbar limits, current */ |
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/* value, and step or */ |
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/* increment. */ |
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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_window_scroll_info_get] Get the window scroll info */ |
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/* _gx_scrollbar_size_update Update the scroll size */ |
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/* _gx_scrollbar_thumb_position_calculate */ |
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/* Calculate the scrollbar thumb */ |
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/* position */ |
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/* _gx_system_dirty_mark Mark system block dirty */ |
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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_reset(GX_SCROLLBAR *scrollbar, GX_SCROLL_INFO *info) |
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{ |
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GX_WINDOW *win; |
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✓✓ |
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if (info) |
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{ |
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scrollbar -> gx_scrollbar_info = *info; |
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} |
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else |
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{ |
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win = (GX_WINDOW *)scrollbar -> gx_widget_parent; |
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✓✓ |
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if (win) |
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{ |
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win -> gx_window_scroll_info_get(win, scrollbar -> gx_widget_style, &scrollbar -> gx_scrollbar_info); |
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} |
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} |
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_gx_scrollbar_size_update(scrollbar); |
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_gx_scrollbar_thumb_position_calculate(scrollbar); |
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✓✓ |
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if (scrollbar -> gx_widget_status & GX_STATUS_VISIBLE) |
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{ |
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_gx_system_dirty_mark((GX_WIDGET *)scrollbar); |
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} |
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return(GX_SUCCESS); |
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} |
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