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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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/** Vertical List (List) */ |
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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_widget.h" |
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#include "gx_window.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_vertical_list_selected_visible 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 make the selected list item visible. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* vertical_list Vertical list widget control */ |
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/* block */ |
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/* list_entry Pointer to new list entry */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* NONE */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_vertical_list_scroll */ |
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/* _gx_window_scrollbar_find */ |
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/* _gx_scrollbar_reset */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_vertical_list_selected_set */ |
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/* */ |
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/**************************************************************************/ |
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VOID _gx_vertical_list_selected_visible(GX_VERTICAL_LIST *list, GX_WIDGET *child) |
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{ |
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GX_SCROLLBAR *pScroll; |
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GX_BOOL update_scroll = GX_FALSE; |
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✓✓ |
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if (child -> gx_widget_size.gx_rectangle_top < list -> gx_window_client.gx_rectangle_top) |
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{ |
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/* need to scroll children down */ |
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_gx_vertical_list_scroll(list, list -> gx_window_client.gx_rectangle_top - child -> gx_widget_size.gx_rectangle_top); |
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update_scroll = GX_TRUE; |
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} |
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else |
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{ |
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✓✓ |
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if (child -> gx_widget_size.gx_rectangle_bottom > list -> gx_window_client.gx_rectangle_bottom) |
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{ |
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/* need to scroll children up */ |
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_gx_vertical_list_scroll(list, list -> gx_window_client.gx_rectangle_bottom - child -> gx_widget_size.gx_rectangle_bottom); |
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update_scroll = GX_TRUE; |
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} |
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} |
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✓✓ |
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if (update_scroll) |
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{ |
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_gx_window_scrollbar_find((GX_WINDOW *)list, GX_TYPE_VERTICAL_SCROLL, &pScroll); |
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✓✓ |
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if (pScroll) |
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{ |
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_gx_scrollbar_reset(pScroll, GX_NULL); |
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} |
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} |
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} |
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