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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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/** System Management (System) */ |
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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_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_system_all_views_free 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 releaes the views attached to the given root window */ |
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/* and it's chilren back to the free list. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* root Root window that needs to */ |
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/* have it's views released */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* views owned by this root and children are returned to free list */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* _gx_system_views_free Free views for one window */ |
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/* _gx_system_error_process Process error code */ |
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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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VOID _gx_system_all_views_free(GX_WINDOW_ROOT *root) |
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{ |
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#ifndef GX_DISABLE_ERROR_CHECKING |
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int viewcount; |
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#endif |
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GX_VIEW *test; |
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GX_WIDGET *child; |
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GX_WINDOW *win; |
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/* pick up pointer to first child window */ |
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child = root -> gx_widget_first_child; |
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/* free each of the top-level window's views */ |
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✓✓ |
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while (child) |
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{ |
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✓✓ |
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if (child -> gx_widget_type >= GX_TYPE_WINDOW) |
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{ |
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win = (GX_WINDOW *)child; |
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test = win -> gx_window_views; |
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/* does this window have any views? */ |
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✓✓ |
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if (test) |
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{ |
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_gx_system_views_free(test); |
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win -> gx_window_views = GX_NULL; |
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} |
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} |
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child = (child -> gx_widget_next); |
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} |
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/* lastly, free the root window's views */ |
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test = root -> gx_window_views; |
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✓✓ |
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if (test) |
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{ |
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_gx_system_views_free(test); |
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root -> gx_window_views = GX_NULL; |
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} |
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#ifndef GX_DISABLE_ERROR_CHECKING |
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test = _gx_system_free_views; |
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viewcount = 0; |
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✓✓ |
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while (test) |
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{ |
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viewcount++; |
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test = test -> gx_view_next; |
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} |
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✓✓ |
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if (viewcount != GX_MAX_VIEWS) |
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{ |
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_gx_system_error_process(GX_SYSTEM_OUT_OF_VIEWS); |
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} |
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#endif |
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} |
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