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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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/** Scroll Wheel Management (Generic Scroll Wheel) */ |
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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_scroll_wheel.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_generic_scroll_wheel_event_process PORTABLE C */ |
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/* 6.1.7 */ |
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/* AUTHOR */ |
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/* */ |
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/* Ting Zhu, 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 generic scroll wheel event */ |
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/* process function call. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* wheel Generic scroll wheel control */ |
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/* block */ |
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/* event_ptr Pointer to event to process */ |
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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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/* _gxe_generic_scroll_wheel_event_process */ |
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/* Actual generic scroll wheel */ |
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/* event process 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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/* 06-02-2021 Ting Zhu Initial Version 6.1.7 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gxe_generic_scroll_wheel_event_process(GX_GENERIC_SCROLL_WHEEL *wheel, GX_EVENT *event_ptr) |
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{ |
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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 ((wheel == GX_NULL) || (event_ptr == GX_NULL)) |
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{ |
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return GX_PTR_ERROR; |
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} |
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/* Check for invalid widget. */ |
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✓✓ |
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if (wheel -> gx_widget_type == 0) |
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{ |
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return GX_INVALID_WIDGET; |
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} |
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/* Call the actual generic scroll wheel event process function. */ |
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return _gx_generic_scroll_wheel_event_process(wheel, event_ptr); |
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} |
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