1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** GUIX Component */ 17 /** */ 18 /** Animation Management (Animation) */ 19 /** */ 20 /**************************************************************************/ 21 22 #define GX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "gx_api.h" 28 #include "gx_animation.h" 29 30 31 /**************************************************************************/ 32 /* */ 33 /* FUNCTION RELEASE */ 34 /* */ 35 /* _gxe_animation_drag_enable PORTABLE C */ 36 /* 6.1 */ 37 /* AUTHOR */ 38 /* */ 39 /* Kenneth Maxwell, Microsoft Corporation */ 40 /* */ 41 /* DESCRIPTION */ 42 /* */ 43 /* This function checks for error in animation slide enable call. */ 44 /* */ 45 /* */ 46 /* INPUT */ 47 /* */ 48 /* animation Pointer to animation control */ 49 /* block */ 50 /* widget Pointer to widget control */ 51 /* block */ 52 /* info Animation information */ 53 /* */ 54 /* OUTPUT */ 55 /* */ 56 /* status Completion status */ 57 /* */ 58 /* CALLS */ 59 /* */ 60 /* _gx_animation_slide_enable Actual animation slide enable */ 61 /* call. */ 62 /* */ 63 /* CALLED BY */ 64 /* */ 65 /* Application Code */ 66 /* */ 67 /* RELEASE HISTORY */ 68 /* */ 69 /* DATE NAME DESCRIPTION */ 70 /* */ 71 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 72 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 73 /* resulting in version 6.1 */ 74 /* */ 75 /**************************************************************************/ _gxe_animation_drag_enable(GX_ANIMATION * animation,GX_WIDGET * widget,GX_ANIMATION_INFO * info)76UINT _gxe_animation_drag_enable(GX_ANIMATION *animation, GX_WIDGET *widget, GX_ANIMATION_INFO *info) 77 { 78 /* Check for invalid pointer. */ 79 if ((animation == GX_NULL) || 80 (widget == GX_NULL) || 81 (info == GX_NULL)) 82 { 83 return GX_PTR_ERROR; 84 } 85 86 /* animation drag is already enabled ? */ 87 if (animation -> gx_animation_original_event_process_function != GX_NULL) 88 { 89 return GX_INVALID_ANIMATION; 90 } 91 92 if ((info -> gx_animation_style & GX_ANIMATION_EASING_FUNC_MASK) && 93 (info -> gx_animation_steps < 2)) 94 { 95 return GX_INVALID_VALUE; 96 } 97 98 if (info -> gx_animation_frame_interval < 1) 99 { 100 return GX_INVALID_VALUE; 101 } 102 103 if (info -> gx_animation_slide_screen_list == GX_NULL) 104 { 105 /* Slide screen list has not been created */ 106 return GX_INVALID_WIDGET; 107 } 108 109 return(_gx_animation_drag_enable(animation, widget, info)); 110 } 111 112
