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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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/** Scrollbar Management (Scrollbar) */ |
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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_scrollbar.h" |
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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_horizontal_scrollbar_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 horizontal scrollbar create */ |
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/* function call. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* scrollbar scroll control block */ |
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/* name Name of scroll */ |
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/* parent parent window */ |
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/* appearance style of scroll bar */ |
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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_horizontal_scrollbar_create Actual horizontal scrollbar */ |
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/* 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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/**************************************************************************/ |
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UINT _gxe_horizontal_scrollbar_create(GX_SCROLLBAR *scrollbar, GX_CONST GX_CHAR *name, |
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GX_WINDOW *parent, GX_SCROLLBAR_APPEARANCE *appearance, |
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ULONG style, UINT scrollbar_control_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 (scrollbar == GX_NULL) |
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{ |
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return(GX_PTR_ERROR); |
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} |
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✓✓ |
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if (scrollbar_control_block_size != sizeof(GX_SCROLLBAR)) |
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{ |
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return(GX_INVALID_SIZE); |
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} |
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/* Check for id is created. */ |
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✓✓ |
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if (scrollbar -> gx_widget_type != 0) |
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{ |
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return(GX_ALREADY_CREATED); |
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} |
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/* Call the actual horizontal scroll*/ |
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status = _gx_horizontal_scrollbar_create(scrollbar, name, parent, appearance, style); |
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/* Return completion status. */ |
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return status; |
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} |
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