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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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/** Widget Management (Widget) */ |
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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_utility.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_widget_link 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 links a child widget to it's parent */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* parent The parent widget */ |
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/* widget The child widget */ |
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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_widget_unlink Unlink from previous parent */ |
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/* _gx_widget_show Show the widget */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* GUIX Internal 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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154968 |
VOID _gx_widget_link(GX_WIDGET *parent, GX_WIDGET *widget) |
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{ |
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GX_WIDGET *sibling; |
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/* if this widget already has a different parent, then first unlink it */ |
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✓✓ |
154968 |
if (widget -> gx_widget_parent) |
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{ |
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✓✓ |
1278 |
if (widget -> gx_widget_parent == parent) |
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{ |
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/* already linked as child of this parent, nothing to do */ |
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return; |
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} |
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_gx_widget_unlink(widget); |
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} |
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/* Determine if a parent widget was provided. */ |
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✓✓ |
153693 |
if (parent) |
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{ |
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/* Yes, is there already a child for this parent? */ |
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✓✓ |
153692 |
if (parent -> gx_widget_first_child) |
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{ |
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/* Yes, find the last child. */ |
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106225 |
sibling = parent -> gx_widget_last_child; |
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/* Put this widget at the end of the list. */ |
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106225 |
sibling -> gx_widget_next = widget; |
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106225 |
widget -> gx_widget_previous = sibling; |
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106225 |
widget -> gx_widget_next = NULL; |
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} |
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else |
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{ |
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/* First child, simply add the widget. */ |
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parent -> gx_widget_first_child = widget; |
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} |
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/* Setup the last child pointer and remember the parent widget. */ |
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153692 |
parent -> gx_widget_last_child = widget; |
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153692 |
widget -> gx_widget_parent = parent; |
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✓✓ |
153692 |
if (parent -> gx_widget_status & GX_STATUS_VISIBLE) |
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{ |
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_gx_widget_show(widget); |
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} |
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} |
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} |
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