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 /** Multi Line Text View Management (Multi Line Text View) */ 19 /** */ 20 /**************************************************************************/ 21 22 #define GX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "gx_api.h" 28 #include "gx_system.h" 29 #include "gx_multi_line_text_view.h" 30 #include "gx_scrollbar.h" 31 #include "gx_utility.h" 32 #include "gx_window.h" 33 #include "gx_widget.h" 34 35 /**************************************************************************/ 36 /* */ 37 /* FUNCTION RELEASE */ 38 /* */ 39 /* _gx_multi_line_text_view_text_id_set PORTABLE C */ 40 /* 6.1 */ 41 /* AUTHOR */ 42 /* */ 43 /* Kenneth Maxwell, Microsoft Corporation */ 44 /* */ 45 /* DESCRIPTION */ 46 /* */ 47 /* This function creates a text input widget. */ 48 /* */ 49 /* INPUT */ 50 /* */ 51 /* text_view Multi-line view control block */ 52 /* text_id Resource ID for the text */ 53 /* string */ 54 /* */ 55 /* OUTPUT */ 56 /* */ 57 /* status Completion status */ 58 /* */ 59 /* CALLS */ 60 /* */ 61 /* _gx_utility_string_length_check Test string length */ 62 /* _gx_system_string_get Get the string from the ID */ 63 /* _gx_system_memory_free Application-defined memory */ 64 /* free function */ 65 /* _gx_multi_line_text_view_string_total_rows_compute */ 66 /* Compute the total rows of */ 67 /* of the display text */ 68 /* _gx_multi_line_text_view_line_cache_update */ 69 /* Update line cache */ 70 /* _gx_window_scrollbar_find Find scrollbar for a window */ 71 /* _gx_scrollbar_reset Reset scrollbar information */ 72 /* _gx_utility_utf8_string_character_count_get */ 73 /* Get character count of utf8 */ 74 /* string */ 75 /* _gx_system_dirty_mark Mark a widget as dirty */ 76 /* */ 77 /* CALLED BY */ 78 /* */ 79 /* Application Code */ 80 /* */ 81 /* RELEASE HISTORY */ 82 /* */ 83 /* DATE NAME DESCRIPTION */ 84 /* */ 85 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 86 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 87 /* added logic to delete */ 88 /* dynamic bidi text, */ 89 /* resulting in version 6.1 */ 90 /* */ 91 /**************************************************************************/ _gx_multi_line_text_view_text_id_set(GX_MULTI_LINE_TEXT_VIEW * text_view,GX_RESOURCE_ID text_id)92UINT _gx_multi_line_text_view_text_id_set(GX_MULTI_LINE_TEXT_VIEW *text_view, 93 GX_RESOURCE_ID text_id) 94 { 95 if (text_view -> gx_widget_style & GX_STYLE_TEXT_COPY) 96 { 97 if (text_view -> gx_multi_line_text_view_text.gx_string_ptr) 98 { 99 _gx_system_memory_free((void *)text_view -> gx_multi_line_text_view_text.gx_string_ptr); 100 } 101 } 102 103 text_view -> gx_multi_line_text_view_text_id = text_id; 104 text_view -> gx_multi_line_text_view_text_total_rows = 0; 105 text_view -> gx_multi_line_text_view_line_index_old = GX_TRUE; 106 107 _gx_widget_string_get_ext((GX_WIDGET *)text_view, text_id, &text_view -> gx_multi_line_text_view_text); 108 text_view -> gx_multi_line_text_view_text.gx_string_ptr = GX_NULL; 109 110 #if defined(GX_DYNAMIC_BIDI_TEXT_SUPPORT) 111 if (text_view -> gx_multi_line_text_view_bidi_resolved_text_info) 112 { 113 _gx_utility_bidi_resolved_text_info_delete(&text_view -> gx_multi_line_text_view_bidi_resolved_text_info); 114 } 115 #endif 116 117 if (text_view -> gx_widget_status & GX_STATUS_VISIBLE) 118 { 119 _gx_system_dirty_mark((GX_WIDGET *)text_view); 120 } 121 122 return(GX_SUCCESS); 123 } 124 125
