1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/StringBuilder.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GProgressBar.h>
namespace GUI {
ProgressBar::ProgressBar(Widget* parent)
: Frame(parent)
{
set_frame_shape(Gfx::FrameShape::Container);
set_frame_shadow(Gfx::FrameShadow::Sunken);
set_frame_thickness(2);
}
ProgressBar::~ProgressBar()
{
}
void ProgressBar::set_value(int value)
{
if (m_value == value)
return;
m_value = value;
update();
}
void ProgressBar::set_range(int min, int max)
{
ASSERT(min < max);
m_min = min;
m_max = max;
m_value = clamp(m_value, m_min, m_max);
}
void ProgressBar::paint_event(PaintEvent& event)
{
Frame::paint_event(event);
Painter painter(*this);
auto rect = frame_inner_rect();
painter.add_clip_rect(rect);
painter.add_clip_rect(event.rect());
String progress_text;
if (m_format != Format::NoText) {
// Then we draw the progress text over the gradient.
// We draw it twice, once offset (1, 1) for a drop shadow look.
StringBuilder builder;
builder.append(m_caption);
if (m_format == Format::Percentage) {
float range_size = m_max - m_min;
float progress = (m_value - m_min) / range_size;
builder.appendf("%d%%", (int)(progress * 100));
} else if (m_format == Format::ValueSlashMax) {
builder.appendf("%d/%d", m_value, m_max);
}
progress_text = builder.to_string();
}
Gfx::StylePainter::paint_progress_bar(painter, rect, palette(), m_min, m_max, m_value, progress_text);
}
}
|