167 lines
7.3 KiB
C++
167 lines
7.3 KiB
C++
/*************************************************************************/
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/* progress_bar.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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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 "progress_bar.h"
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#include "scene/resources/text_line.h"
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Size2 ProgressBar::get_minimum_size() const {
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Size2 minimum_size = theme_cache.background_style->get_minimum_size();
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minimum_size.height = MAX(minimum_size.height, theme_cache.fill_style->get_minimum_size().height);
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minimum_size.width = MAX(minimum_size.width, theme_cache.fill_style->get_minimum_size().width);
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if (show_percentage) {
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String txt = "100%";
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TextLine tl = TextLine(txt, theme_cache.font, theme_cache.font_size);
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minimum_size.height = MAX(minimum_size.height, theme_cache.background_style->get_minimum_size().height + tl.get_size().y);
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} else { // this is needed, else the progressbar will collapse
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minimum_size.width = MAX(minimum_size.width, 1);
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minimum_size.height = MAX(minimum_size.height, 1);
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}
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return minimum_size;
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}
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void ProgressBar::_update_theme_item_cache() {
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Range::_update_theme_item_cache();
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theme_cache.background_style = get_theme_stylebox(SNAME("background"));
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theme_cache.fill_style = get_theme_stylebox(SNAME("fill"));
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theme_cache.font = get_theme_font(SNAME("font"));
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theme_cache.font_size = get_theme_font_size(SNAME("font_size"));
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theme_cache.font_color = get_theme_color(SNAME("font_color"));
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theme_cache.font_outline_size = get_theme_constant(SNAME("outline_size"));
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theme_cache.font_outline_color = get_theme_color(SNAME("font_outline_color"));
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}
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void ProgressBar::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_DRAW: {
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draw_style_box(theme_cache.background_style, Rect2(Point2(), get_size()));
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float r = get_as_ratio();
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switch (mode) {
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case FILL_BEGIN_TO_END:
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case FILL_END_TO_BEGIN: {
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int mp = theme_cache.fill_style->get_minimum_size().width;
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int p = round(r * (get_size().width - mp));
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// We want FILL_BEGIN_TO_END to map to right to left when UI layout is RTL,
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// and left to right otherwise. And likewise for FILL_END_TO_BEGIN.
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bool right_to_left = is_layout_rtl() ? (mode == FILL_BEGIN_TO_END) : (mode == FILL_END_TO_BEGIN);
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if (p > 0) {
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if (right_to_left) {
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int p_remaining = round((1.0 - r) * (get_size().width - mp));
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draw_style_box(theme_cache.fill_style, Rect2(Point2(p_remaining, 0), Size2(p + theme_cache.fill_style->get_minimum_size().width, get_size().height)));
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} else {
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draw_style_box(theme_cache.fill_style, Rect2(Point2(0, 0), Size2(p + theme_cache.fill_style->get_minimum_size().width, get_size().height)));
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}
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}
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} break;
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case FILL_TOP_TO_BOTTOM:
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case FILL_BOTTOM_TO_TOP: {
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int mp = theme_cache.fill_style->get_minimum_size().height;
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int p = round(r * (get_size().height - mp));
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if (p > 0) {
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if (mode == FILL_TOP_TO_BOTTOM) {
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draw_style_box(theme_cache.fill_style, Rect2(Point2(0, 0), Size2(get_size().width, p + theme_cache.fill_style->get_minimum_size().height)));
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} else {
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int p_remaining = round((1.0 - r) * (get_size().height - mp));
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draw_style_box(theme_cache.fill_style, Rect2(Point2(0, p_remaining), Size2(get_size().width, p + theme_cache.fill_style->get_minimum_size().height)));
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}
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}
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} break;
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case FILL_MODE_MAX:
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break;
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}
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if (show_percentage) {
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String txt = itos(int(get_as_ratio() * 100));
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if (is_localizing_numeral_system()) {
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txt = TS->format_number(txt) + TS->percent_sign();
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} else {
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txt += String("%");
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}
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TextLine tl = TextLine(txt, theme_cache.font, theme_cache.font_size);
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Vector2 text_pos = (Point2(get_size().width - tl.get_size().x, get_size().height - tl.get_size().y) / 2).round();
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if (theme_cache.font_outline_size > 0 && theme_cache.font_outline_color.a > 0) {
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tl.draw_outline(get_canvas_item(), text_pos, theme_cache.font_outline_size, theme_cache.font_outline_color);
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}
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tl.draw(get_canvas_item(), text_pos, theme_cache.font_color);
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}
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} break;
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}
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}
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void ProgressBar::set_fill_mode(int p_fill) {
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ERR_FAIL_INDEX(p_fill, FILL_MODE_MAX);
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mode = (FillMode)p_fill;
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queue_redraw();
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}
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int ProgressBar::get_fill_mode() {
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return mode;
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}
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void ProgressBar::set_show_percentage(bool p_visible) {
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if (show_percentage == p_visible) {
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return;
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}
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show_percentage = p_visible;
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update_minimum_size();
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queue_redraw();
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}
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bool ProgressBar::is_percentage_shown() const {
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return show_percentage;
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}
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void ProgressBar::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_fill_mode", "mode"), &ProgressBar::set_fill_mode);
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ClassDB::bind_method(D_METHOD("get_fill_mode"), &ProgressBar::get_fill_mode);
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ClassDB::bind_method(D_METHOD("set_show_percentage", "visible"), &ProgressBar::set_show_percentage);
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ClassDB::bind_method(D_METHOD("is_percentage_shown"), &ProgressBar::is_percentage_shown);
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ADD_PROPERTY(PropertyInfo(Variant::INT, "fill_mode", PROPERTY_HINT_ENUM, "Begin to End,End to Begin,Top to Bottom,Bottom to Top"), "set_fill_mode", "get_fill_mode");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_percentage"), "set_show_percentage", "is_percentage_shown");
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BIND_ENUM_CONSTANT(FILL_BEGIN_TO_END);
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BIND_ENUM_CONSTANT(FILL_END_TO_BEGIN);
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BIND_ENUM_CONSTANT(FILL_TOP_TO_BOTTOM);
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BIND_ENUM_CONSTANT(FILL_BOTTOM_TO_TOP);
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}
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ProgressBar::ProgressBar() {
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set_v_size_flags(0);
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set_step(0.01);
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}
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