virtualx-engine/scene/gui/progress_bar.cpp

159 lines
6.8 KiB
C++

/*************************************************************************/
/* progress_bar.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "progress_bar.h"
#include "scene/resources/text_line.h"
Size2 ProgressBar::get_minimum_size() const {
Ref<StyleBox> bg = get_theme_stylebox(SNAME("bg"));
Ref<StyleBox> fg = get_theme_stylebox(SNAME("fg"));
Ref<Font> font = get_theme_font(SNAME("font"));
int font_size = get_theme_font_size(SNAME("font_size"));
Size2 minimum_size = bg->get_minimum_size();
minimum_size.height = MAX(minimum_size.height, fg->get_minimum_size().height);
minimum_size.width = MAX(minimum_size.width, fg->get_minimum_size().width);
if (percent_visible) {
String txt = "100%";
TextLine tl = TextLine(txt, font, font_size);
minimum_size.height = MAX(minimum_size.height, bg->get_minimum_size().height + tl.get_size().y);
} else { // this is needed, else the progressbar will collapse
minimum_size.width = MAX(minimum_size.width, 1);
minimum_size.height = MAX(minimum_size.height, 1);
}
return minimum_size;
}
void ProgressBar::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_DRAW: {
Ref<StyleBox> bg = get_theme_stylebox(SNAME("bg"));
Ref<StyleBox> fg = get_theme_stylebox(SNAME("fg"));
Ref<Font> font = get_theme_font(SNAME("font"));
int font_size = get_theme_font_size(SNAME("font_size"));
Color font_color = get_theme_color(SNAME("font_color"));
draw_style_box(bg, Rect2(Point2(), get_size()));
float r = get_as_ratio();
switch (mode) {
case FILL_BEGIN_TO_END:
case FILL_END_TO_BEGIN: {
int mp = fg->get_minimum_size().width;
int p = round(r * (get_size().width - mp));
// We want FILL_BEGIN_TO_END to map to right to left when UI layout is RTL,
// and left to right otherwise. And likewise for FILL_END_TO_BEGIN.
bool right_to_left = is_layout_rtl() ? (mode == FILL_BEGIN_TO_END) : (mode == FILL_END_TO_BEGIN);
if (p > 0) {
if (right_to_left) {
int p_remaining = round((1.0 - r) * (get_size().width - mp));
draw_style_box(fg, Rect2(Point2(p_remaining, 0), Size2(p + fg->get_minimum_size().width, get_size().height)));
} else {
draw_style_box(fg, Rect2(Point2(0, 0), Size2(p + fg->get_minimum_size().width, get_size().height)));
}
}
} break;
case FILL_TOP_TO_BOTTOM:
case FILL_BOTTOM_TO_TOP: {
int mp = fg->get_minimum_size().height;
int p = round(r * (get_size().height - mp));
if (p > 0) {
if (mode == FILL_TOP_TO_BOTTOM) {
draw_style_box(fg, Rect2(Point2(0, 0), Size2(get_size().width, p + fg->get_minimum_size().height)));
} else {
int p_remaining = round((1.0 - r) * (get_size().height - mp));
draw_style_box(fg, Rect2(Point2(0, p_remaining), Size2(get_size().width, p + fg->get_minimum_size().height)));
}
}
} break;
case FILL_MODE_MAX:
break;
}
if (percent_visible) {
String txt = TS->format_number(itos(int(get_as_ratio() * 100))) + TS->percent_sign();
TextLine tl = TextLine(txt, font, font_size);
Vector2 text_pos = (Point2(get_size().width - tl.get_size().x, get_size().height - tl.get_size().y) / 2).round();
Color font_outline_color = get_theme_color(SNAME("font_outline_color"));
int outline_size = get_theme_constant(SNAME("outline_size"));
if (outline_size > 0 && font_outline_color.a > 0) {
tl.draw_outline(get_canvas_item(), text_pos, outline_size, font_outline_color);
}
tl.draw(get_canvas_item(), text_pos, font_color);
}
} break;
}
}
void ProgressBar::set_fill_mode(int p_fill) {
ERR_FAIL_INDEX(p_fill, FILL_MODE_MAX);
mode = (FillMode)p_fill;
update();
}
int ProgressBar::get_fill_mode() {
return mode;
}
void ProgressBar::set_percent_visible(bool p_visible) {
if (percent_visible == p_visible) {
return;
}
percent_visible = p_visible;
update_minimum_size();
update();
}
bool ProgressBar::is_percent_visible() const {
return percent_visible;
}
void ProgressBar::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_fill_mode", "mode"), &ProgressBar::set_fill_mode);
ClassDB::bind_method(D_METHOD("get_fill_mode"), &ProgressBar::get_fill_mode);
ClassDB::bind_method(D_METHOD("set_percent_visible", "visible"), &ProgressBar::set_percent_visible);
ClassDB::bind_method(D_METHOD("is_percent_visible"), &ProgressBar::is_percent_visible);
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");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "percent_visible"), "set_percent_visible", "is_percent_visible");
BIND_ENUM_CONSTANT(FILL_BEGIN_TO_END);
BIND_ENUM_CONSTANT(FILL_END_TO_BEGIN);
BIND_ENUM_CONSTANT(FILL_TOP_TO_BOTTOM);
BIND_ENUM_CONSTANT(FILL_BOTTOM_TO_TOP);
}
ProgressBar::ProgressBar() {
set_v_size_flags(0);
set_step(0.01);
}