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89 lines
2.9 KiB
C++
89 lines
2.9 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/StringBuilder.h>
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#include <LibGUI/Painter.h>
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#include <LibGUI/ProgressBar.h>
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namespace GUI {
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ProgressBar::ProgressBar(Widget* parent)
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: Frame(parent)
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{
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set_frame_shape(Gfx::FrameShape::Container);
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set_frame_shadow(Gfx::FrameShadow::Sunken);
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set_frame_thickness(2);
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}
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ProgressBar::~ProgressBar()
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{
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}
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void ProgressBar::set_value(int value)
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{
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if (m_value == value)
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return;
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m_value = value;
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update();
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}
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void ProgressBar::set_range(int min, int max)
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{
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ASSERT(min < max);
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m_min = min;
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m_max = max;
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m_value = clamp(m_value, m_min, m_max);
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}
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void ProgressBar::paint_event(PaintEvent& event)
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{
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Frame::paint_event(event);
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Painter painter(*this);
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auto rect = frame_inner_rect();
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painter.add_clip_rect(rect);
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painter.add_clip_rect(event.rect());
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String progress_text;
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if (m_format != Format::NoText) {
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// Then we draw the progress text over the gradient.
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// We draw it twice, once offset (1, 1) for a drop shadow look.
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StringBuilder builder;
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builder.append(m_caption);
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if (m_format == Format::Percentage) {
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float range_size = m_max - m_min;
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float progress = (m_value - m_min) / range_size;
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builder.appendf("%d%%", (int)(progress * 100));
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} else if (m_format == Format::ValueSlashMax) {
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builder.appendf("%d/%d", m_value, m_max);
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}
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progress_text = builder.to_string();
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}
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Gfx::StylePainter::paint_progress_bar(painter, rect, palette(), m_min, m_max, m_value, progress_text);
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}
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}
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