mirror of
https://github.com/godotengine/godot
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284 lines
12 KiB
C++
284 lines
12 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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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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#include "scene/theme/theme_db.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 = minimum_size.max(theme_cache.fill_style->get_minimum_size());
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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 = minimum_size.maxf(1);
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}
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return minimum_size;
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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_INTERNAL_PROCESS: {
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if (is_visible_in_tree()) {
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_inderminate_fill_progress += get_process_delta_time() * MAX(indeterminate_min_speed, MAX(get_size().width, get_size().height) / 2);
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queue_redraw();
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}
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} break;
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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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if (indeterminate) {
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Size2 size = get_size();
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real_t fill_size = MIN(size.width, size.height) * 2;
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if (Engine::get_singleton()->is_editor_hint() && !editor_preview_indeterminate) {
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// Center the filled bar when we're not previewing the animation.
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_inderminate_fill_progress = (MAX(size.width, size.height) / 2) + (fill_size / 2);
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}
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switch (mode) {
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case FILL_END_TO_BEGIN:
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case FILL_BEGIN_TO_END: {
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// Follow the RTL layout with the animation to match how the bar would fill.
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bool right_to_left = mode == (is_layout_rtl() ? FILL_BEGIN_TO_END : FILL_END_TO_BEGIN);
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if (_inderminate_fill_progress > size.width + fill_size) {
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_inderminate_fill_progress = right_to_left ? -fill_size : 0;
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}
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real_t x = right_to_left ? size.width - _inderminate_fill_progress : _inderminate_fill_progress - fill_size;
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draw_style_box(theme_cache.fill_style, Rect2(x, 0, fill_size, size.height).intersection(Rect2(Point2(), size)));
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} break;
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case FILL_TOP_TO_BOTTOM: {
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if (_inderminate_fill_progress > size.height + fill_size) {
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_inderminate_fill_progress = 0;
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}
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draw_style_box(theme_cache.fill_style, Rect2(0, _inderminate_fill_progress - fill_size, size.width, fill_size).intersection(Rect2(Point2(), size)));
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} break;
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case FILL_BOTTOM_TO_TOP: {
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if (_inderminate_fill_progress > size.height + fill_size) {
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_inderminate_fill_progress = -fill_size;
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}
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draw_style_box(theme_cache.fill_style, Rect2(0, size.height - _inderminate_fill_progress, size.width, fill_size).intersection(Rect2(Point2(), size)));
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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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return;
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}
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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 = mode == (is_layout_rtl() ? FILL_BEGIN_TO_END : 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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double ratio = 0;
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// Avoid division by zero.
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if (Math::is_equal_approx(get_max(), get_min())) {
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ratio = 1;
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} else if (is_ratio_exp() && get_min() >= 0 && get_value() >= 0) {
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double exp_min = get_min() == 0 ? 0.0 : Math::log(get_min()) / Math::log((double)2);
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double exp_max = Math::log(get_max()) / Math::log((double)2);
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double exp_value = get_value() == 0 ? 0.0 : Math::log(get_value()) / Math::log((double)2);
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double percentage = (exp_value - exp_min) / (exp_max - exp_min);
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ratio = CLAMP(percentage, is_lesser_allowed() ? percentage : 0, is_greater_allowed() ? percentage : 1);
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} else {
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double percentage = (get_value() - get_min()) / (get_max() - get_min());
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ratio = CLAMP(percentage, is_lesser_allowed() ? percentage : 0, is_greater_allowed() ? percentage : 1);
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}
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String txt = itos(int(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::_validate_property(PropertyInfo &p_property) const {
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if (indeterminate && p_property.name == "show_percentage") {
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p_property.usage |= PROPERTY_USAGE_READ_ONLY;
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}
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if (!indeterminate && p_property.name == "editor_preview_indeterminate") {
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p_property.usage = PROPERTY_USAGE_NONE;
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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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_inderminate_fill_progress = 0;
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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::set_indeterminate(bool p_indeterminate) {
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if (indeterminate == p_indeterminate) {
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return;
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}
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indeterminate = p_indeterminate;
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_inderminate_fill_progress = 0;
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bool should_process = !Engine::get_singleton()->is_editor_hint() || editor_preview_indeterminate;
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set_process_internal(indeterminate && should_process);
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notify_property_list_changed();
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update_minimum_size();
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queue_redraw();
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}
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bool ProgressBar::is_indeterminate() const {
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return indeterminate;
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}
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void ProgressBar::set_editor_preview_indeterminate(bool p_preview_indeterminate) {
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if (editor_preview_indeterminate == p_preview_indeterminate) {
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return;
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}
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editor_preview_indeterminate = p_preview_indeterminate;
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if (Engine::get_singleton()->is_editor_hint()) {
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_inderminate_fill_progress = 0;
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set_process_internal(indeterminate && editor_preview_indeterminate);
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queue_redraw();
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}
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}
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bool ProgressBar::is_editor_preview_indeterminate_enabled() const {
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return editor_preview_indeterminate;
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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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ClassDB::bind_method(D_METHOD("set_indeterminate", "indeterminate"), &ProgressBar::set_indeterminate);
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ClassDB::bind_method(D_METHOD("is_indeterminate"), &ProgressBar::is_indeterminate);
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ClassDB::bind_method(D_METHOD("set_editor_preview_indeterminate", "preview_indeterminate"), &ProgressBar::set_editor_preview_indeterminate);
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ClassDB::bind_method(D_METHOD("is_editor_preview_indeterminate_enabled"), &ProgressBar::is_editor_preview_indeterminate_enabled);
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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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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "indeterminate"), "set_indeterminate", "is_indeterminate");
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ADD_GROUP("Editor", "editor_");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "editor_preview_indeterminate"), "set_editor_preview_indeterminate", "is_editor_preview_indeterminate_enabled");
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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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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, ProgressBar, background_style, "background");
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_STYLEBOX, ProgressBar, fill_style, "fill");
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BIND_THEME_ITEM(Theme::DATA_TYPE_FONT, ProgressBar, font);
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BIND_THEME_ITEM(Theme::DATA_TYPE_FONT_SIZE, ProgressBar, font_size);
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, ProgressBar, font_color);
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BIND_THEME_ITEM_CUSTOM(Theme::DATA_TYPE_CONSTANT, ProgressBar, font_outline_size, "outline_size");
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BIND_THEME_ITEM(Theme::DATA_TYPE_COLOR, ProgressBar, font_outline_color);
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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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