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822 lines
29 KiB
C++
822 lines
29 KiB
C++
/*************************************************************************/
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/* label.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "label.h"
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#include "core/config/project_settings.h"
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#include "core/string/print_string.h"
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#include "core/string/translation.h"
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#include "servers/text_server.h"
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void Label::set_autowrap_mode(Label::AutowrapMode p_mode) {
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if (autowrap_mode != p_mode) {
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autowrap_mode = p_mode;
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lines_dirty = true;
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}
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update();
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if (clip || overrun_behavior != OVERRUN_NO_TRIMMING) {
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minimum_size_changed();
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}
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}
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Label::AutowrapMode Label::get_autowrap_mode() const {
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return autowrap_mode;
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}
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void Label::set_uppercase(bool p_uppercase) {
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uppercase = p_uppercase;
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dirty = true;
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update();
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}
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bool Label::is_uppercase() const {
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return uppercase;
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}
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int Label::get_line_height(int p_line) const {
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Ref<Font> font = get_theme_font(SNAME("font"));
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if (p_line >= 0 && p_line < lines_rid.size()) {
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return TS->shaped_text_get_size(lines_rid[p_line]).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM);
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} else if (lines_rid.size() > 0) {
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int h = 0;
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for (int i = 0; i < lines_rid.size(); i++) {
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h = MAX(h, TS->shaped_text_get_size(lines_rid[i]).y) + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM);
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}
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return h;
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} else {
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return font->get_height(get_theme_font_size(SNAME("font_size")));
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}
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}
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void Label::_shape() {
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Ref<StyleBox> style = get_theme_stylebox(SNAME("normal"), SNAME("Label"));
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int width = (get_size().width - style->get_minimum_size().width);
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if (dirty) {
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TS->shaped_text_clear(text_rid);
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if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
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TS->shaped_text_set_direction(text_rid, is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR);
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} else {
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TS->shaped_text_set_direction(text_rid, (TextServer::Direction)text_direction);
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}
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TS->shaped_text_add_string(text_rid, (uppercase) ? xl_text.to_upper() : xl_text, get_theme_font(SNAME("font"))->get_rids(), get_theme_font_size(SNAME("font_size")), opentype_features, (language != "") ? language : TranslationServer::get_singleton()->get_tool_locale());
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TS->shaped_text_set_bidi_override(text_rid, structured_text_parser(st_parser, st_args, xl_text));
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dirty = false;
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lines_dirty = true;
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}
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uint8_t overrun_flags = TextServer::OVERRUN_NO_TRIMMING;
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if (lines_dirty) {
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for (int i = 0; i < lines_rid.size(); i++) {
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TS->free(lines_rid[i]);
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}
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lines_rid.clear();
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uint8_t autowrap_flags = TextServer::BREAK_MANDATORY;
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switch (autowrap_mode) {
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case AUTOWRAP_WORD_SMART:
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autowrap_flags = TextServer::BREAK_WORD_BOUND_ADAPTIVE | TextServer::BREAK_MANDATORY;
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break;
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case AUTOWRAP_WORD:
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autowrap_flags = TextServer::BREAK_WORD_BOUND | TextServer::BREAK_MANDATORY;
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break;
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case AUTOWRAP_ARBITRARY:
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autowrap_flags = TextServer::BREAK_GRAPHEME_BOUND | TextServer::BREAK_MANDATORY;
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break;
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case AUTOWRAP_OFF:
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break;
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}
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Vector<Vector2i> lines = TS->shaped_text_get_line_breaks(text_rid, width, 0, autowrap_flags);
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for (int i = 0; i < lines.size(); i++) {
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RID line = TS->shaped_text_substr(text_rid, lines[i].x, lines[i].y - lines[i].x);
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switch (overrun_behavior) {
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case OVERRUN_TRIM_WORD_ELLIPSIS:
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overrun_flags |= TextServer::OVERRUN_TRIM;
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overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
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overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
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break;
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case OVERRUN_TRIM_ELLIPSIS:
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overrun_flags |= TextServer::OVERRUN_TRIM;
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overrun_flags |= TextServer::OVERRUN_ADD_ELLIPSIS;
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break;
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case OVERRUN_TRIM_WORD:
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overrun_flags |= TextServer::OVERRUN_TRIM;
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overrun_flags |= TextServer::OVERRUN_TRIM_WORD_ONLY;
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break;
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case OVERRUN_TRIM_CHAR:
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overrun_flags |= TextServer::OVERRUN_TRIM;
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break;
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case OVERRUN_NO_TRIMMING:
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break;
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}
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if (autowrap_mode == AUTOWRAP_OFF && align != ALIGN_FILL && overrun_behavior != OVERRUN_NO_TRIMMING) {
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TS->shaped_text_overrun_trim_to_width(line, width, overrun_flags);
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}
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lines_rid.push_back(line);
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}
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if (autowrap_mode != AUTOWRAP_OFF && overrun_behavior != OVERRUN_NO_TRIMMING) {
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int visible_lines = get_visible_line_count();
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if (visible_lines < lines_rid.size() && visible_lines > 0) {
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overrun_flags |= TextServer::OVERRUN_ENFORCE_ELLIPSIS;
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TS->shaped_text_overrun_trim_to_width(lines_rid[visible_lines - 1], width, overrun_flags);
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}
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}
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}
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if (xl_text.length() == 0) {
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minsize = Size2(1, get_line_height());
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return;
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}
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if (autowrap_mode == AUTOWRAP_OFF) {
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minsize.width = 0.0f;
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for (int i = 0; i < lines_rid.size(); i++) {
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if (minsize.width < TS->shaped_text_get_size(lines_rid[i]).x) {
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minsize.width = TS->shaped_text_get_size(lines_rid[i]).x;
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}
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}
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}
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if (lines_dirty) {
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// Fill after min_size calculation.
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if (align == ALIGN_FILL) {
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for (int i = 0; i < lines_rid.size(); i++) {
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if (overrun_behavior != OVERRUN_NO_TRIMMING && autowrap_mode == AUTOWRAP_OFF) {
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float line_unaltered_width = TS->shaped_text_get_width(lines_rid[i]);
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TS->shaped_text_fit_to_width(lines_rid[i], width);
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float new_line_width = TS->shaped_text_get_width(lines_rid[i]);
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// Begin trimming when there is no space between words available anymore.
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if (new_line_width < line_unaltered_width) {
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TS->shaped_text_overrun_trim_to_width(lines_rid[i], width, overrun_flags);
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}
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} else {
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TS->shaped_text_fit_to_width(lines_rid[i], width);
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}
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}
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}
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lines_dirty = false;
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}
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_update_visible();
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if (autowrap_mode == AUTOWRAP_OFF || !clip || overrun_behavior == OVERRUN_NO_TRIMMING) {
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minimum_size_changed();
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}
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}
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void Label::_update_visible() {
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int line_spacing = get_theme_constant(SNAME("line_spacing"), SNAME("Label"));
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Ref<StyleBox> style = get_theme_stylebox(SNAME("normal"), SNAME("Label"));
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Ref<Font> font = get_theme_font(SNAME("font"));
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int lines_visible = lines_rid.size();
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if (max_lines_visible >= 0 && lines_visible > max_lines_visible) {
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lines_visible = max_lines_visible;
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}
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minsize.height = 0;
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int last_line = MIN(lines_rid.size(), lines_visible + lines_skipped);
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for (int64_t i = lines_skipped; i < last_line; i++) {
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minsize.height += TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM) + line_spacing;
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if (minsize.height > (get_size().height - style->get_minimum_size().height + line_spacing)) {
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break;
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}
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}
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}
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void Label::_notification(int p_what) {
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if (p_what == NOTIFICATION_TRANSLATION_CHANGED) {
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String new_text = atr(text);
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if (new_text == xl_text) {
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return; //nothing new
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}
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xl_text = new_text;
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dirty = true;
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update();
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}
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if (p_what == NOTIFICATION_DRAW) {
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if (clip) {
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RenderingServer::get_singleton()->canvas_item_set_clip(get_canvas_item(), true);
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}
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if (dirty || lines_dirty) {
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_shape();
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}
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RID ci = get_canvas_item();
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Size2 string_size;
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Size2 size = get_size();
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Ref<StyleBox> style = get_theme_stylebox(SNAME("normal"));
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Ref<Font> font = get_theme_font(SNAME("font"));
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Color font_color = get_theme_color(SNAME("font_color"));
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Color font_shadow_color = get_theme_color(SNAME("font_shadow_color"));
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Point2 shadow_ofs(get_theme_constant(SNAME("shadow_offset_x")), get_theme_constant(SNAME("shadow_offset_y")));
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int line_spacing = get_theme_constant(SNAME("line_spacing"));
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Color font_outline_color = get_theme_color(SNAME("font_outline_color"));
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int outline_size = get_theme_constant(SNAME("outline_size"));
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int shadow_outline_size = get_theme_constant(SNAME("shadow_outline_size"));
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bool rtl = is_layout_rtl();
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style->draw(ci, Rect2(Point2(0, 0), get_size()));
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float total_h = 0.0;
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int lines_visible = 0;
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// Get number of lines to fit to the height.
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for (int64_t i = lines_skipped; i < lines_rid.size(); i++) {
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total_h += TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM) + line_spacing;
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if (total_h > (get_size().height - style->get_minimum_size().height + line_spacing)) {
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break;
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}
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lines_visible++;
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}
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if (max_lines_visible >= 0 && lines_visible > max_lines_visible) {
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lines_visible = max_lines_visible;
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}
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int last_line = MIN(lines_rid.size(), lines_visible + lines_skipped);
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// Get real total height.
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total_h = 0;
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for (int64_t i = lines_skipped; i < last_line; i++) {
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total_h += TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM) + line_spacing;
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}
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total_h += style->get_margin(SIDE_TOP) + style->get_margin(SIDE_BOTTOM);
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int vbegin = 0, vsep = 0;
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if (lines_visible > 0) {
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switch (valign) {
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case VALIGN_TOP: {
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//nothing
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} break;
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case VALIGN_CENTER: {
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vbegin = (size.y - (total_h - line_spacing)) / 2;
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vsep = 0;
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} break;
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case VALIGN_BOTTOM: {
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vbegin = size.y - (total_h - line_spacing);
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vsep = 0;
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} break;
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case VALIGN_FILL: {
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vbegin = 0;
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if (lines_visible > 1) {
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vsep = (size.y - (total_h - line_spacing)) / (lines_visible - 1);
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} else {
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vsep = 0;
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}
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} break;
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}
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}
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int visible_glyphs = -1;
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int glyhps_drawn = 0;
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if (percent_visible < 1) {
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int total_glyphs = 0;
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for (int i = lines_skipped; i < last_line; i++) {
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const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(lines_rid[i]);
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const TextServer::Glyph *glyphs = visual.ptr();
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int gl_size = visual.size();
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for (int j = 0; j < gl_size; j++) {
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if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
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total_glyphs++;
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}
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}
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}
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visible_glyphs = MIN(total_glyphs, visible_chars);
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}
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Vector2 ofs;
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ofs.y = style->get_offset().y + vbegin;
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for (int i = lines_skipped; i < last_line; i++) {
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ofs.x = 0;
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ofs.y += TS->shaped_text_get_ascent(lines_rid[i]) + font->get_spacing(Font::SPACING_TOP);
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switch (align) {
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case ALIGN_FILL:
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case ALIGN_LEFT: {
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if (rtl) {
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ofs.x = int(size.width - style->get_margin(SIDE_RIGHT) - TS->shaped_text_get_size(lines_rid[i]).x);
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} else {
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ofs.x = style->get_offset().x;
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}
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} break;
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case ALIGN_CENTER: {
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ofs.x = int(size.width - TS->shaped_text_get_size(lines_rid[i]).x) / 2;
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} break;
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case ALIGN_RIGHT: {
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if (rtl) {
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ofs.x = style->get_offset().x;
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} else {
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ofs.x = int(size.width - style->get_margin(SIDE_RIGHT) - TS->shaped_text_get_size(lines_rid[i]).x);
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}
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} break;
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}
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const Vector<TextServer::Glyph> visual = TS->shaped_text_get_glyphs(lines_rid[i]);
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const TextServer::Glyph *glyphs = visual.ptr();
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int gl_size = visual.size();
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float x = ofs.x;
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int outlines_drawn = glyhps_drawn;
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for (int j = 0; j < gl_size; j++) {
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for (int k = 0; k < glyphs[j].repeat; k++) {
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if (glyphs[j].font_rid != RID()) {
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if (font_shadow_color.a > 0) {
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TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + shadow_ofs, glyphs[j].index, font_shadow_color);
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if (shadow_outline_size > 0) {
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//draw shadow
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TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, shadow_outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + Vector2(-shadow_ofs.x, shadow_ofs.y), glyphs[j].index, font_shadow_color);
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TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, shadow_outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + Vector2(shadow_ofs.x, -shadow_ofs.y), glyphs[j].index, font_shadow_color);
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TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, shadow_outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off) + Vector2(-shadow_ofs.x, -shadow_ofs.y), glyphs[j].index, font_shadow_color);
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}
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}
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if (font_outline_color.a != 0.0 && outline_size > 0) {
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TS->font_draw_glyph_outline(glyphs[j].font_rid, ci, glyphs[j].font_size, outline_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_outline_color);
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}
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}
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ofs.x += glyphs[j].advance;
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}
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if (visible_glyphs != -1) {
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if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
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outlines_drawn++;
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if (outlines_drawn >= visible_glyphs) {
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break;
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}
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}
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}
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}
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ofs.x = x;
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for (int j = 0; j < gl_size; j++) {
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for (int k = 0; k < glyphs[j].repeat; k++) {
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if (glyphs[j].font_rid != RID()) {
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TS->font_draw_glyph(glyphs[j].font_rid, ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_color);
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} else if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
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TS->draw_hex_code_box(ci, glyphs[j].font_size, ofs + Vector2(glyphs[j].x_off, glyphs[j].y_off), glyphs[j].index, font_color);
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}
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ofs.x += glyphs[j].advance;
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}
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if (visible_glyphs != -1) {
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if ((glyphs[j].flags & TextServer::GRAPHEME_IS_VIRTUAL) != TextServer::GRAPHEME_IS_VIRTUAL) {
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glyhps_drawn++;
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if (glyhps_drawn >= visible_glyphs) {
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return;
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}
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}
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}
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}
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ofs.y += TS->shaped_text_get_descent(lines_rid[i]) + vsep + line_spacing + font->get_spacing(Font::SPACING_BOTTOM);
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}
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}
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if (p_what == NOTIFICATION_THEME_CHANGED) {
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dirty = true;
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update();
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}
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if (p_what == NOTIFICATION_RESIZED) {
|
|
lines_dirty = true;
|
|
}
|
|
}
|
|
|
|
Size2 Label::get_minimum_size() const {
|
|
// don't want to mutable everything
|
|
if (dirty || lines_dirty) {
|
|
const_cast<Label *>(this)->_shape();
|
|
}
|
|
|
|
Size2 min_size = minsize;
|
|
|
|
Ref<Font> font = get_theme_font(SNAME("font"));
|
|
min_size.height = MAX(min_size.height, font->get_height(get_theme_font_size(SNAME("font_size"))) + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM));
|
|
|
|
Size2 min_style = get_theme_stylebox(SNAME("normal"))->get_minimum_size();
|
|
if (autowrap_mode != AUTOWRAP_OFF) {
|
|
return Size2(1, (clip || overrun_behavior != OVERRUN_NO_TRIMMING) ? 1 : min_size.height) + min_style;
|
|
} else {
|
|
if (clip || overrun_behavior != OVERRUN_NO_TRIMMING) {
|
|
min_size.width = 1;
|
|
}
|
|
return min_size + min_style;
|
|
}
|
|
}
|
|
|
|
int Label::get_line_count() const {
|
|
if (!is_inside_tree()) {
|
|
return 1;
|
|
}
|
|
if (dirty || lines_dirty) {
|
|
const_cast<Label *>(this)->_shape();
|
|
}
|
|
|
|
return lines_rid.size();
|
|
}
|
|
|
|
int Label::get_visible_line_count() const {
|
|
Ref<Font> font = get_theme_font(SNAME("font"));
|
|
Ref<StyleBox> style = get_theme_stylebox(SNAME("normal"));
|
|
int line_spacing = get_theme_constant(SNAME("line_spacing"));
|
|
int lines_visible = 0;
|
|
float total_h = 0.0;
|
|
for (int64_t i = lines_skipped; i < lines_rid.size(); i++) {
|
|
total_h += TS->shaped_text_get_size(lines_rid[i]).y + font->get_spacing(Font::SPACING_TOP) + font->get_spacing(Font::SPACING_BOTTOM) + line_spacing;
|
|
if (total_h > (get_size().height - style->get_minimum_size().height + line_spacing)) {
|
|
break;
|
|
}
|
|
lines_visible++;
|
|
}
|
|
|
|
if (lines_visible > lines_rid.size()) {
|
|
lines_visible = lines_rid.size();
|
|
}
|
|
|
|
if (max_lines_visible >= 0 && lines_visible > max_lines_visible) {
|
|
lines_visible = max_lines_visible;
|
|
}
|
|
|
|
return lines_visible;
|
|
}
|
|
|
|
void Label::set_align(Align p_align) {
|
|
ERR_FAIL_INDEX((int)p_align, 4);
|
|
if (align != p_align) {
|
|
if (align == ALIGN_FILL || p_align == ALIGN_FILL) {
|
|
lines_dirty = true; // Reshape lines.
|
|
}
|
|
align = p_align;
|
|
}
|
|
update();
|
|
}
|
|
|
|
Label::Align Label::get_align() const {
|
|
return align;
|
|
}
|
|
|
|
void Label::set_valign(VAlign p_align) {
|
|
ERR_FAIL_INDEX((int)p_align, 4);
|
|
valign = p_align;
|
|
update();
|
|
}
|
|
|
|
Label::VAlign Label::get_valign() const {
|
|
return valign;
|
|
}
|
|
|
|
void Label::set_text(const String &p_string) {
|
|
if (text == p_string) {
|
|
return;
|
|
}
|
|
text = p_string;
|
|
xl_text = atr(p_string);
|
|
dirty = true;
|
|
if (percent_visible < 1) {
|
|
visible_chars = get_total_character_count() * percent_visible;
|
|
}
|
|
update();
|
|
minimum_size_changed();
|
|
}
|
|
|
|
void Label::set_text_direction(Control::TextDirection p_text_direction) {
|
|
ERR_FAIL_COND((int)p_text_direction < -1 || (int)p_text_direction > 3);
|
|
if (text_direction != p_text_direction) {
|
|
text_direction = p_text_direction;
|
|
dirty = true;
|
|
update();
|
|
}
|
|
}
|
|
|
|
void Label::set_structured_text_bidi_override(Control::StructuredTextParser p_parser) {
|
|
if (st_parser != p_parser) {
|
|
st_parser = p_parser;
|
|
dirty = true;
|
|
update();
|
|
}
|
|
}
|
|
|
|
Control::StructuredTextParser Label::get_structured_text_bidi_override() const {
|
|
return st_parser;
|
|
}
|
|
|
|
void Label::set_structured_text_bidi_override_options(Array p_args) {
|
|
st_args = p_args;
|
|
dirty = true;
|
|
update();
|
|
}
|
|
|
|
Array Label::get_structured_text_bidi_override_options() const {
|
|
return st_args;
|
|
}
|
|
|
|
Control::TextDirection Label::get_text_direction() const {
|
|
return text_direction;
|
|
}
|
|
|
|
void Label::clear_opentype_features() {
|
|
opentype_features.clear();
|
|
dirty = true;
|
|
update();
|
|
}
|
|
|
|
void Label::set_opentype_feature(const String &p_name, int p_value) {
|
|
int32_t tag = TS->name_to_tag(p_name);
|
|
if (!opentype_features.has(tag) || (int)opentype_features[tag] != p_value) {
|
|
opentype_features[tag] = p_value;
|
|
dirty = true;
|
|
update();
|
|
}
|
|
}
|
|
|
|
int Label::get_opentype_feature(const String &p_name) const {
|
|
int32_t tag = TS->name_to_tag(p_name);
|
|
if (!opentype_features.has(tag)) {
|
|
return -1;
|
|
}
|
|
return opentype_features[tag];
|
|
}
|
|
|
|
void Label::set_language(const String &p_language) {
|
|
if (language != p_language) {
|
|
language = p_language;
|
|
dirty = true;
|
|
update();
|
|
}
|
|
}
|
|
|
|
String Label::get_language() const {
|
|
return language;
|
|
}
|
|
|
|
void Label::set_clip_text(bool p_clip) {
|
|
clip = p_clip;
|
|
update();
|
|
minimum_size_changed();
|
|
}
|
|
|
|
bool Label::is_clipping_text() const {
|
|
return clip;
|
|
}
|
|
|
|
void Label::set_text_overrun_behavior(Label::OverrunBehavior p_behavior) {
|
|
if (overrun_behavior != p_behavior) {
|
|
overrun_behavior = p_behavior;
|
|
lines_dirty = true;
|
|
}
|
|
update();
|
|
if (clip || overrun_behavior != OVERRUN_NO_TRIMMING) {
|
|
minimum_size_changed();
|
|
}
|
|
}
|
|
|
|
Label::OverrunBehavior Label::get_text_overrun_behavior() const {
|
|
return overrun_behavior;
|
|
}
|
|
|
|
String Label::get_text() const {
|
|
return text;
|
|
}
|
|
|
|
void Label::set_visible_characters(int p_amount) {
|
|
visible_chars = p_amount;
|
|
if (get_total_character_count() > 0) {
|
|
percent_visible = (float)p_amount / (float)get_total_character_count();
|
|
} else {
|
|
percent_visible = 1.0;
|
|
}
|
|
update();
|
|
}
|
|
|
|
int Label::get_visible_characters() const {
|
|
return visible_chars;
|
|
}
|
|
|
|
void Label::set_percent_visible(float p_percent) {
|
|
if (p_percent < 0 || p_percent >= 1) {
|
|
visible_chars = -1;
|
|
percent_visible = 1;
|
|
|
|
} else {
|
|
visible_chars = get_total_character_count() * p_percent;
|
|
percent_visible = p_percent;
|
|
}
|
|
update();
|
|
}
|
|
|
|
float Label::get_percent_visible() const {
|
|
return percent_visible;
|
|
}
|
|
|
|
void Label::set_lines_skipped(int p_lines) {
|
|
ERR_FAIL_COND(p_lines < 0);
|
|
lines_skipped = p_lines;
|
|
_update_visible();
|
|
update();
|
|
}
|
|
|
|
int Label::get_lines_skipped() const {
|
|
return lines_skipped;
|
|
}
|
|
|
|
void Label::set_max_lines_visible(int p_lines) {
|
|
max_lines_visible = p_lines;
|
|
_update_visible();
|
|
update();
|
|
}
|
|
|
|
int Label::get_max_lines_visible() const {
|
|
return max_lines_visible;
|
|
}
|
|
|
|
int Label::get_total_character_count() const {
|
|
if (dirty || lines_dirty) {
|
|
const_cast<Label *>(this)->_shape();
|
|
}
|
|
|
|
return xl_text.length();
|
|
}
|
|
|
|
bool Label::_set(const StringName &p_name, const Variant &p_value) {
|
|
String str = p_name;
|
|
if (str.begins_with("opentype_features/")) {
|
|
String name = str.get_slicec('/', 1);
|
|
int32_t tag = TS->name_to_tag(name);
|
|
double value = p_value;
|
|
if (value == -1) {
|
|
if (opentype_features.has(tag)) {
|
|
opentype_features.erase(tag);
|
|
dirty = true;
|
|
update();
|
|
}
|
|
} else {
|
|
if ((double)opentype_features[tag] != value) {
|
|
opentype_features[tag] = value;
|
|
dirty = true;
|
|
update();
|
|
}
|
|
}
|
|
notify_property_list_changed();
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool Label::_get(const StringName &p_name, Variant &r_ret) const {
|
|
String str = p_name;
|
|
if (str.begins_with("opentype_features/")) {
|
|
String name = str.get_slicec('/', 1);
|
|
int32_t tag = TS->name_to_tag(name);
|
|
if (opentype_features.has(tag)) {
|
|
r_ret = opentype_features[tag];
|
|
return true;
|
|
} else {
|
|
r_ret = -1;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void Label::_get_property_list(List<PropertyInfo> *p_list) const {
|
|
for (const Variant *ftr = opentype_features.next(nullptr); ftr != nullptr; ftr = opentype_features.next(ftr)) {
|
|
String name = TS->tag_to_name(*ftr);
|
|
p_list->push_back(PropertyInfo(Variant::FLOAT, "opentype_features/" + name));
|
|
}
|
|
p_list->push_back(PropertyInfo(Variant::NIL, "opentype_features/_new", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_EDITOR));
|
|
}
|
|
|
|
void Label::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("set_align", "align"), &Label::set_align);
|
|
ClassDB::bind_method(D_METHOD("get_align"), &Label::get_align);
|
|
ClassDB::bind_method(D_METHOD("set_valign", "valign"), &Label::set_valign);
|
|
ClassDB::bind_method(D_METHOD("get_valign"), &Label::get_valign);
|
|
ClassDB::bind_method(D_METHOD("set_text", "text"), &Label::set_text);
|
|
ClassDB::bind_method(D_METHOD("get_text"), &Label::get_text);
|
|
ClassDB::bind_method(D_METHOD("set_text_direction", "direction"), &Label::set_text_direction);
|
|
ClassDB::bind_method(D_METHOD("get_text_direction"), &Label::get_text_direction);
|
|
ClassDB::bind_method(D_METHOD("set_opentype_feature", "tag", "value"), &Label::set_opentype_feature);
|
|
ClassDB::bind_method(D_METHOD("get_opentype_feature", "tag"), &Label::get_opentype_feature);
|
|
ClassDB::bind_method(D_METHOD("clear_opentype_features"), &Label::clear_opentype_features);
|
|
ClassDB::bind_method(D_METHOD("set_language", "language"), &Label::set_language);
|
|
ClassDB::bind_method(D_METHOD("get_language"), &Label::get_language);
|
|
ClassDB::bind_method(D_METHOD("set_autowrap_mode", "autowrap_mode"), &Label::set_autowrap_mode);
|
|
ClassDB::bind_method(D_METHOD("get_autowrap_mode"), &Label::get_autowrap_mode);
|
|
ClassDB::bind_method(D_METHOD("set_clip_text", "enable"), &Label::set_clip_text);
|
|
ClassDB::bind_method(D_METHOD("is_clipping_text"), &Label::is_clipping_text);
|
|
ClassDB::bind_method(D_METHOD("set_text_overrun_behavior", "overrun_behavior"), &Label::set_text_overrun_behavior);
|
|
ClassDB::bind_method(D_METHOD("get_text_overrun_behavior"), &Label::get_text_overrun_behavior);
|
|
ClassDB::bind_method(D_METHOD("set_uppercase", "enable"), &Label::set_uppercase);
|
|
ClassDB::bind_method(D_METHOD("is_uppercase"), &Label::is_uppercase);
|
|
ClassDB::bind_method(D_METHOD("get_line_height", "line"), &Label::get_line_height, DEFVAL(-1));
|
|
ClassDB::bind_method(D_METHOD("get_line_count"), &Label::get_line_count);
|
|
ClassDB::bind_method(D_METHOD("get_visible_line_count"), &Label::get_visible_line_count);
|
|
ClassDB::bind_method(D_METHOD("get_total_character_count"), &Label::get_total_character_count);
|
|
ClassDB::bind_method(D_METHOD("set_visible_characters", "amount"), &Label::set_visible_characters);
|
|
ClassDB::bind_method(D_METHOD("get_visible_characters"), &Label::get_visible_characters);
|
|
ClassDB::bind_method(D_METHOD("set_percent_visible", "percent_visible"), &Label::set_percent_visible);
|
|
ClassDB::bind_method(D_METHOD("get_percent_visible"), &Label::get_percent_visible);
|
|
ClassDB::bind_method(D_METHOD("set_lines_skipped", "lines_skipped"), &Label::set_lines_skipped);
|
|
ClassDB::bind_method(D_METHOD("get_lines_skipped"), &Label::get_lines_skipped);
|
|
ClassDB::bind_method(D_METHOD("set_max_lines_visible", "lines_visible"), &Label::set_max_lines_visible);
|
|
ClassDB::bind_method(D_METHOD("get_max_lines_visible"), &Label::get_max_lines_visible);
|
|
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override", "parser"), &Label::set_structured_text_bidi_override);
|
|
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override"), &Label::get_structured_text_bidi_override);
|
|
ClassDB::bind_method(D_METHOD("set_structured_text_bidi_override_options", "args"), &Label::set_structured_text_bidi_override_options);
|
|
ClassDB::bind_method(D_METHOD("get_structured_text_bidi_override_options"), &Label::get_structured_text_bidi_override_options);
|
|
|
|
BIND_ENUM_CONSTANT(ALIGN_LEFT);
|
|
BIND_ENUM_CONSTANT(ALIGN_CENTER);
|
|
BIND_ENUM_CONSTANT(ALIGN_RIGHT);
|
|
BIND_ENUM_CONSTANT(ALIGN_FILL);
|
|
|
|
BIND_ENUM_CONSTANT(VALIGN_TOP);
|
|
BIND_ENUM_CONSTANT(VALIGN_CENTER);
|
|
BIND_ENUM_CONSTANT(VALIGN_BOTTOM);
|
|
BIND_ENUM_CONSTANT(VALIGN_FILL);
|
|
|
|
BIND_ENUM_CONSTANT(AUTOWRAP_OFF);
|
|
BIND_ENUM_CONSTANT(AUTOWRAP_ARBITRARY);
|
|
BIND_ENUM_CONSTANT(AUTOWRAP_WORD);
|
|
BIND_ENUM_CONSTANT(AUTOWRAP_WORD_SMART);
|
|
|
|
BIND_ENUM_CONSTANT(OVERRUN_NO_TRIMMING);
|
|
BIND_ENUM_CONSTANT(OVERRUN_TRIM_CHAR);
|
|
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD);
|
|
BIND_ENUM_CONSTANT(OVERRUN_TRIM_ELLIPSIS);
|
|
BIND_ENUM_CONSTANT(OVERRUN_TRIM_WORD_ELLIPSIS);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_direction", PROPERTY_HINT_ENUM, "Auto,Left-to-Right,Right-to-Left,Inherited"), "set_text_direction", "get_text_direction");
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "language"), "set_language", "get_language");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_align", "get_align");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "valign", PROPERTY_HINT_ENUM, "Top,Center,Bottom,Fill"), "set_valign", "get_valign");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "autowrap_mode", PROPERTY_HINT_ENUM, "Off,Arbitrary,Word,Word (Smart)"), "set_autowrap_mode", "get_autowrap_mode");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "is_clipping_text");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "text_overrun_behavior", PROPERTY_HINT_ENUM, "Trim nothing,Trim characters,Trim words,Ellipsis,Word ellipsis"), "set_text_overrun_behavior", "get_text_overrun_behavior");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "visible_characters", PROPERTY_HINT_RANGE, "-1,128000,1", PROPERTY_USAGE_EDITOR), "set_visible_characters", "get_visible_characters");
|
|
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "percent_visible", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_percent_visible", "get_percent_visible");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "lines_skipped", PROPERTY_HINT_RANGE, "0,999,1"), "set_lines_skipped", "get_lines_skipped");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "max_lines_visible", PROPERTY_HINT_RANGE, "-1,999,1"), "set_max_lines_visible", "get_max_lines_visible");
|
|
ADD_GROUP("Structured Text", "structured_text_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::INT, "structured_text_bidi_override", PROPERTY_HINT_ENUM, "Default,URI,File,Email,List,None,Custom"), "set_structured_text_bidi_override", "get_structured_text_bidi_override");
|
|
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "structured_text_bidi_override_options"), "set_structured_text_bidi_override_options", "get_structured_text_bidi_override_options");
|
|
}
|
|
|
|
Label::Label(const String &p_text) {
|
|
text_rid = TS->create_shaped_text();
|
|
|
|
set_mouse_filter(MOUSE_FILTER_IGNORE);
|
|
set_text(p_text);
|
|
set_v_size_flags(SIZE_SHRINK_CENTER);
|
|
}
|
|
|
|
Label::~Label() {
|
|
for (int i = 0; i < lines_rid.size(); i++) {
|
|
TS->free(lines_rid[i]);
|
|
}
|
|
lines_rid.clear();
|
|
TS->free(text_rid);
|
|
}
|