mirror of
https://github.com/godotengine/godot.git
synced 2024-12-03 09:52:18 +08:00
56a8d3f30c
- Added options to trim the text in case it overruns - Added more autowrap modes - Improved line breaking, which ignores trailing spaces
176 lines
5.4 KiB
C++
176 lines
5.4 KiB
C++
/*************************************************************************/
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/* label.h */
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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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#ifndef LABEL_H
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#define LABEL_H
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#include "scene/gui/control.h"
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class Label : public Control {
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GDCLASS(Label, Control);
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public:
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enum Align {
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ALIGN_LEFT,
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ALIGN_CENTER,
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ALIGN_RIGHT,
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ALIGN_FILL
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};
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enum VAlign {
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VALIGN_TOP,
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VALIGN_CENTER,
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VALIGN_BOTTOM,
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VALIGN_FILL
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};
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enum AutowrapMode {
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AUTOWRAP_OFF,
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AUTOWRAP_ARBITRARY,
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AUTOWRAP_WORD,
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AUTOWRAP_WORD_SMART
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};
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enum OverrunBehavior {
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OVERRUN_NO_TRIMMING,
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OVERRUN_TRIM_CHAR,
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OVERRUN_TRIM_WORD,
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OVERRUN_TRIM_ELLIPSIS,
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OVERRUN_TRIM_WORD_ELLIPSIS,
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};
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private:
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Align align = ALIGN_LEFT;
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VAlign valign = VALIGN_TOP;
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String text;
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String xl_text;
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AutowrapMode autowrap_mode = AUTOWRAP_OFF;
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bool clip = false;
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OverrunBehavior overrun_behavior = OVERRUN_NO_TRIMMING;
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Size2 minsize;
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bool uppercase = false;
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bool lines_dirty = true;
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bool dirty = true;
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RID text_rid;
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Vector<RID> lines_rid;
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Dictionary opentype_features;
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String language;
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TextDirection text_direction = TEXT_DIRECTION_AUTO;
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Control::StructuredTextParser st_parser = STRUCTURED_TEXT_DEFAULT;
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Array st_args;
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float percent_visible = 1.0;
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int visible_chars = -1;
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int lines_skipped = 0;
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int max_lines_visible = -1;
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void _update_visible();
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void _shape();
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protected:
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void _notification(int p_what);
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static void _bind_methods();
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bool _set(const StringName &p_name, const Variant &p_value);
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bool _get(const StringName &p_name, Variant &r_ret) const;
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void _get_property_list(List<PropertyInfo> *p_list) const;
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public:
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virtual Size2 get_minimum_size() const override;
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void set_align(Align p_align);
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Align get_align() const;
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void set_valign(VAlign p_align);
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VAlign get_valign() const;
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void set_text(const String &p_string);
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String get_text() const;
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void set_text_direction(TextDirection p_text_direction);
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TextDirection get_text_direction() const;
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void set_opentype_feature(const String &p_name, int p_value);
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int get_opentype_feature(const String &p_name) const;
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void clear_opentype_features();
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void set_language(const String &p_language);
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String get_language() const;
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void set_structured_text_bidi_override(Control::StructuredTextParser p_parser);
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Control::StructuredTextParser get_structured_text_bidi_override() const;
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void set_structured_text_bidi_override_options(Array p_args);
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Array get_structured_text_bidi_override_options() const;
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void set_autowrap_mode(AutowrapMode p_mode);
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AutowrapMode get_autowrap_mode() const;
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void set_uppercase(bool p_uppercase);
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bool is_uppercase() const;
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void set_visible_characters(int p_amount);
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int get_visible_characters() const;
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int get_total_character_count() const;
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void set_clip_text(bool p_clip);
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bool is_clipping_text() const;
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void set_text_overrun_behavior(OverrunBehavior p_behavior);
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OverrunBehavior get_text_overrun_behavior() const;
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void set_percent_visible(float p_percent);
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float get_percent_visible() const;
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void set_lines_skipped(int p_lines);
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int get_lines_skipped() const;
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void set_max_lines_visible(int p_lines);
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int get_max_lines_visible() const;
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int get_line_height(int p_line = -1) const;
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int get_line_count() const;
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int get_visible_line_count() const;
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Label(const String &p_text = String());
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~Label();
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};
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VARIANT_ENUM_CAST(Label::Align);
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VARIANT_ENUM_CAST(Label::VAlign);
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VARIANT_ENUM_CAST(Label::AutowrapMode);
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VARIANT_ENUM_CAST(Label::OverrunBehavior);
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#endif
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