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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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/** Text Input Management (Single 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_single_line_text_input.h" |
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#include "gx_text_input_cursor.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_single_line_text_input_text_select 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 highlighs text with specified start mark and end mark */ |
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/* index. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* text_input Single-line text input widget */ |
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/* control block */ |
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/* start_mark The index of the first */ |
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/* highlight character. */ |
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/* end_mark The index of the last */ |
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/* highlight character */ |
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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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/* _gx_system_dirty_mark Mark widget as drity */ |
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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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/* 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_single_line_text_input_text_select(GX_SINGLE_LINE_TEXT_INPUT *input, UINT start_index, UINT end_index) |
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{ |
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GX_RECTANGLE dirty_rect; |
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UINT start_mark = input -> gx_single_line_text_input_start_mark; |
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UINT end_mark = input -> gx_single_line_text_input_end_mark; |
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✓✓ |
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if (start_index <= end_index) |
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{ |
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input -> gx_single_line_text_input_start_mark = start_index; |
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input -> gx_single_line_text_input_end_mark = end_index + 1; |
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} |
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else |
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{ |
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input -> gx_single_line_text_input_start_mark = start_index + 1; |
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input -> gx_single_line_text_input_end_mark = end_index; |
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} |
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✓✓ |
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if (input -> gx_widget_status & GX_STATUS_VISIBLE) |
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{ |
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✓✓ |
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if (start_mark != end_mark) |
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{ |
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_gx_single_line_text_input_text_rectangle_get(input, (INT)(start_mark - end_mark), &dirty_rect); |
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/* Mark old highlight area as dirty. */ |
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_gx_system_dirty_partial_add((GX_WIDGET *)input, &dirty_rect); |
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} |
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else |
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{ |
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_gx_text_input_cursor_dirty_rectangle_get(&input->gx_single_line_text_input_cursor_instance, &dirty_rect); |
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/* Mark cursor area as dirty. */ |
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_gx_system_dirty_partial_add((GX_WIDGET *)input, &dirty_rect); |
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} |
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start_mark = input -> gx_single_line_text_input_start_mark; |
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end_mark = input -> gx_single_line_text_input_end_mark; |
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✓✓ |
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if (input -> gx_single_line_text_input_insert_pos != end_mark) |
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{ |
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input -> gx_single_line_text_input_insert_pos = end_mark; |
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_gx_single_line_text_input_position_update(input); |
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} |
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_gx_single_line_text_input_text_rectangle_get(input, (INT)(start_mark - end_mark), &dirty_rect); |
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/* Mark highlight text area as dirty. */ |
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_gx_system_dirty_partial_add((GX_WIDGET *)input, &dirty_rect); |
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} |
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return GX_SUCCESS; |
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} |
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