1 /*************************************************************************/
2 /*  progress_bar.cpp                                                     */
3 /*************************************************************************/
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5 /*                           GODOT ENGINE                                */
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8 /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
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30 
31 #include "progress_bar.h"
32 
get_minimum_size() const33 Size2 ProgressBar::get_minimum_size() const {
34 
35 	Ref<StyleBox> bg = get_stylebox("bg");
36 	Ref<StyleBox> fg = get_stylebox("fg");
37 	Ref<Font> font = get_font("font");
38 
39 	Size2 minimum_size = bg->get_minimum_size();
40 	minimum_size.height = MAX(minimum_size.height, fg->get_minimum_size().height);
41 	minimum_size.width = MAX(minimum_size.width, fg->get_minimum_size().width);
42 	if (percent_visible) {
43 		minimum_size.height = MAX(minimum_size.height, bg->get_minimum_size().height + font->get_height());
44 	} else { // this is needed, else the progressbar will collapse
45 		minimum_size.width = MAX(minimum_size.width, 1);
46 		minimum_size.height = MAX(minimum_size.height, 1);
47 	}
48 	return minimum_size;
49 }
50 
_notification(int p_what)51 void ProgressBar::_notification(int p_what) {
52 
53 	if (p_what == NOTIFICATION_DRAW) {
54 
55 		Ref<StyleBox> bg = get_stylebox("bg");
56 		Ref<StyleBox> fg = get_stylebox("fg");
57 		Ref<Font> font = get_font("font");
58 		Color font_color = get_color("font_color");
59 
60 		draw_style_box(bg, Rect2(Point2(), get_size()));
61 		float r = get_as_ratio();
62 		int mp = fg->get_minimum_size().width;
63 		int p = r * (get_size().width - mp);
64 		if (p > 0) {
65 
66 			draw_style_box(fg, Rect2(Point2(), Size2(p + fg->get_minimum_size().width, get_size().height)));
67 		}
68 
69 		if (percent_visible) {
70 			String txt = itos(int(get_as_ratio() * 100)) + "%";
71 			font->draw_halign(get_canvas_item(), Point2(0, font->get_ascent() + (get_size().height - font->get_height()) / 2), HALIGN_CENTER, get_size().width, txt, font_color);
72 		}
73 	}
74 }
75 
set_percent_visible(bool p_visible)76 void ProgressBar::set_percent_visible(bool p_visible) {
77 
78 	percent_visible = p_visible;
79 	update();
80 }
81 
is_percent_visible() const82 bool ProgressBar::is_percent_visible() const {
83 
84 	return percent_visible;
85 }
86 
_bind_methods()87 void ProgressBar::_bind_methods() {
88 
89 	ClassDB::bind_method(D_METHOD("set_percent_visible", "visible"), &ProgressBar::set_percent_visible);
90 	ClassDB::bind_method(D_METHOD("is_percent_visible"), &ProgressBar::is_percent_visible);
91 	ADD_GROUP("Percent", "percent_");
92 	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "percent_visible"), "set_percent_visible", "is_percent_visible");
93 }
94 
ProgressBar()95 ProgressBar::ProgressBar() {
96 
97 	set_v_size_flags(0);
98 	set_step(0.01);
99 	percent_visible = true;
100 }
101