/*************************************************************************** * Copyright (c) 2024 Microsoft Corporation * * This program and the accompanying materials are made available under the * terms of the MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT **************************************************************************/ /**************************************************************************/ /**************************************************************************/ /** */ /** GUIX Component */ /** */ /** Scrollbar Management (Scrollbar) */ /** */ /**************************************************************************/ #define GX_SOURCE_CODE /* Include necessary system files. */ #include "gx_api.h" #include "gx_widget.h" #include "gx_scrollbar.h" GX_CALLER_CHECKING_EXTERNS /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _gxe_horizontal_scrollbar_create PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Kenneth Maxwell, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks for errors in the horizontal scrollbar create */ /* function call. */ /* */ /* INPUT */ /* */ /* scrollbar scroll control block */ /* name Name of scroll */ /* parent parent window */ /* appearance style of scroll bar */ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* _gx_horizontal_scrollbar_create Actual horizontal scrollbar */ /* create function */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ /* resulting in version 6.1 */ /* */ /**************************************************************************/ UINT _gxe_horizontal_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, GX_WINDOW *parent, GX_SCROLLBAR_APPEARANCE *appearance, ULONG style, UINT scrollbar_control_block_size) { UINT status; /* Check for appropriate caller. */ GX_INIT_AND_THREADS_CALLER_CHECKING /* Check for invalid input pointers. */ if (scrollbar == GX_NULL) { return(GX_PTR_ERROR); } if (scrollbar_control_block_size != sizeof(GX_SCROLLBAR)) { return(GX_INVALID_SIZE); } /* Check for id is created. */ if (scrollbar -> gx_widget_type != 0) { return(GX_ALREADY_CREATED); } /* Call the actual horizontal scroll*/ status = _gx_horizontal_scrollbar_create(scrollbar, name, parent, appearance, style); /* Return completion status. */ return status; }