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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_widget.h" |
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/* Bring in externs for caller checking code. */ |
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GX_CALLER_CHECKING_EXTERNS |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gxe_widget_create 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 checks for errors in the widget create function call. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* widget Widget control block */ |
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/* name Name of widget */ |
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/* parent Parent widget control block */ |
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/* style Style of widget */ |
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/* Id Application-defined ID of */ |
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/* the widget */ |
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/* size Widget size */ |
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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_create Actual widget create function */ |
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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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/* 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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UINT _gxe_widget_create(GX_WIDGET *widget, GX_CONST GX_CHAR *name, GX_WIDGET *parent, |
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ULONG style, USHORT Id, GX_CONST GX_RECTANGLE *size, UINT widget_block_size) |
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{ |
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UINT status; |
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/* Check for appropriate caller. */ |
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✓✓✓✓
✓✓ |
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GX_INIT_AND_THREADS_CALLER_CHECKING |
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/* Check for invalid input pointers. */ |
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✓✓✓✓
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if ((widget == GX_NULL) || (size == GX_NULL)) |
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{ |
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return(GX_PTR_ERROR); |
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} |
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/* Check for widget already created. */ |
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✓✓ |
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if (widget -> gx_widget_type != 0) |
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{ |
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return(GX_ALREADY_CREATED); |
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} |
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/* Check for invalid parent widget. */ |
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✓✓✓✓
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if (parent && (parent -> gx_widget_type == 0)) |
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{ |
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return(GX_INVALID_WIDGET); |
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} |
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/* Check for invalid control block size. */ |
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✓✓ |
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if (widget_block_size != sizeof(GX_WIDGET)) |
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{ |
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return(GX_INVALID_SIZE); |
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} |
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/* Call actual widget create function. */ |
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status = _gx_widget_create(widget, name, parent, style, Id, size); |
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/* Return completion status. */ |
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return(status); |
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} |
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