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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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/** Multi Line Text Input Management(Multi Line Text Input) */ |
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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_system.h" |
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#include "gx_utility.h" |
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#include "gx_window.h" |
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#include "gx_scrollbar.h" |
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#include "gx_multi_line_text_input.h" |
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#include "gx_multi_line_text_view.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_multi_line_text_input_char_remove PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This function removes a substring from a specified position */ |
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/* of input buffer. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* text_input Multi line text input control */ |
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/* block */ |
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/* start_pos Specified position in input */ |
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/* buffer */ |
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/* del_bytes The number of bytes that to */ |
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/* be removed */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* memmove Move the rest of the string */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* _gx_multi_line_text_input_backspace */ |
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/* _gx_multi_line_text_input_delete */ |
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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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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gx_multi_line_text_input_char_remove(GX_MULTI_LINE_TEXT_INPUT *text_input, UINT start_pos, UINT del_bytes) |
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{ |
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UINT string_size; |
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GX_CHAR *input_buffer; |
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input_buffer = (GX_CHAR *) text_input -> gx_multi_line_text_view_text.gx_string_ptr; |
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string_size = text_input -> gx_multi_line_text_view_text.gx_string_length; |
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memmove(input_buffer + start_pos, input_buffer + start_pos + del_bytes, string_size - start_pos - del_bytes); |
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input_buffer[string_size - del_bytes] = '\0'; |
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/* Update the input string size and cursor position. */ |
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text_input -> gx_multi_line_text_view_text.gx_string_length -= del_bytes; |
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/* Set the text modified flag to GX_TRUE. */ |
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text_input -> gx_multi_line_text_input_text_was_modified = GX_TRUE; |
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return GX_SUCCESS; |
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} |
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