1 /*************************************************************************** 2 * Copyright (c) 2024 Microsoft Corporation 3 * 4 * This program and the accompanying materials are made available under the 5 * terms of the MIT License which is available at 6 * https://opensource.org/licenses/MIT. 7 * 8 * SPDX-License-Identifier: MIT 9 **************************************************************************/ 10 11 12 /**************************************************************************/ 13 /**************************************************************************/ 14 /** */ 15 /** GUIX Component */ 16 /** */ 17 /** Scroll Wheel Management (Generic Scroll Wheel) */ 18 /** */ 19 /**************************************************************************/ 20 21 #define GX_SOURCE_CODE 22 23 24 /* Include necessary system files. */ 25 26 #include "gx_api.h" 27 #include "gx_scroll_wheel.h" 28 29 /**************************************************************************/ 30 /* */ 31 /* FUNCTION RELEASE */ 32 /* */ 33 /* _gx_generic_scroll_wheel_wrap_style_check PORTABLE C */ 34 /* 6.1.7 */ 35 /* AUTHOR */ 36 /* */ 37 /* Ting Zhu, Microsoft Corporation */ 38 /* */ 39 /* DESCRIPTION */ 40 /* */ 41 /* This function checks if wrap style is supported. */ 42 /* */ 43 /* INPUT */ 44 /* */ 45 /* wheel Generic scroll wheel control */ 46 /* block */ 47 /* */ 48 /* OUTPUT */ 49 /* */ 50 /* GX_BOOL Wrap style check result */ 51 /* */ 52 /* CALLS */ 53 /* */ 54 /* None */ 55 /* */ 56 /* CALLED BY */ 57 /* */ 58 /* GUIX Internal Code */ 59 /* */ 60 /* RELEASE HISTORY */ 61 /* */ 62 /* DATE NAME DESCRIPTION */ 63 /* */ 64 /* 06-02-2021 Ting Zhu Initial Version 6.1.7 */ 65 /* */ 66 /**************************************************************************/ _gx_generic_scroll_wheel_wrap_style_check(GX_GENERIC_SCROLL_WHEEL * wheel)67GX_BOOL _gx_generic_scroll_wheel_wrap_style_check(GX_GENERIC_SCROLL_WHEEL *wheel) 68 { 69 70 if ((wheel -> gx_widget_style & GX_STYLE_WRAP) && 71 (wheel -> gx_generic_scroll_wheel_callback != GX_NULL) && 72 (wheel -> gx_generic_scroll_wheel_visible_rows < wheel -> gx_scroll_wheel_total_rows)) 73 { 74 75 /* Wrap style is supported. */ 76 return GX_TRUE; 77 } 78 79 return GX_FALSE; 80 } 81 82
