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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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/** 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_window.h" |
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#include "gx_scroll_wheel.h" |
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#include "gx_widget.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_generic_scroll_wheel_create 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 creates a generic scroll wheel selector widget. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* wheel Scroll wheel control block */ |
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/* name Name of widget */ |
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/* parent Parent widget control block */ |
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/* total_rows Total rows of the scroll wheel*/ |
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/* callback Callback function to create a */ |
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/* widget row */ |
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/* style Style of widget */ |
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/* id Application-defined ID of the */ |
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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_scroll_wheel_create Create a scroll wheel widget */ |
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/* _gx_widget_link Link a widget to its parent */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gx_generic_scroll_wheel_create(GX_GENERIC_SCROLL_WHEEL *wheel, |
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GX_CONST GX_CHAR *name, |
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GX_WIDGET *parent, |
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INT total_rows, |
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VOID (*callback)(GX_GENERIC_SCROLL_WHEEL *, GX_WIDGET *, INT), |
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ULONG style, |
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USHORT id, |
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GX_CONST GX_RECTANGLE *size) |
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{ |
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/* Call default widget create. */ |
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_gx_scroll_wheel_create((GX_SCROLL_WHEEL *)wheel, name, parent, total_rows, style, id, size); |
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wheel -> gx_widget_type = GX_TYPE_GENERIC_SCROLL_WHEEL; |
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wheel -> gx_generic_scroll_wheel_top_index = 0; |
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wheel -> gx_generic_scroll_wheel_callback = callback; |
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wheel -> gx_generic_scroll_wheel_child_count = 0; |
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wheel -> gx_generic_scroll_wheel_visible_rows = 0; |
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wheel -> gx_widget_event_process_function = (UINT (*)(GX_WIDGET *, GX_EVENT *))_gx_generic_scroll_wheel_event_process; |
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wheel -> gx_widget_draw_function = (VOID (*)(GX_WIDGET *))_gx_generic_scroll_wheel_draw; |
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wheel -> gx_scroll_wheel_scroll = (UINT(*)(GX_SCROLL_WHEEL*, GX_VALUE))_gx_generic_scroll_wheel_scroll; |
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wheel -> gx_scroll_wheel_wrap_style_check = (GX_BOOL(*)(GX_SCROLL_WHEEL*))_gx_generic_scroll_wheel_wrap_style_check; |
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/* Determine if a parent widget was provided. */ |
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✓✓ |
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if (parent) |
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{ |
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_gx_widget_link((GX_WIDGET *)parent, (GX_WIDGET *)wheel); |
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} |
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return GX_SUCCESS; |
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} |
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