136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
// SPDX-FileCopyrightText: 2021 Nheko Contributors
|
|
//
|
|
// SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
#include <QPainter>
|
|
|
|
#include "SnackBar.h"
|
|
|
|
constexpr int STARTING_OFFSET = 1;
|
|
constexpr int BOX_PADDING = 10;
|
|
constexpr double MIN_WIDTH = 400.0;
|
|
constexpr double MIN_WIDTH_PERCENTAGE = 0.3;
|
|
|
|
SnackBar::SnackBar(QWidget *parent)
|
|
: OverlayWidget(parent)
|
|
, offset_anim(this, "offset", this)
|
|
{
|
|
QFont font;
|
|
font.setPointSizeF(font.pointSizeF() * 1.2);
|
|
font.setWeight(50);
|
|
setFont(font);
|
|
|
|
boxHeight_ = QFontMetrics(font).height() * 2;
|
|
offset_ = STARTING_OFFSET;
|
|
position_ = SnackBarPosition::Top;
|
|
|
|
hideTimer_.setSingleShot(true);
|
|
|
|
offset_anim.setStartValue(1.0);
|
|
offset_anim.setEndValue(0.0);
|
|
offset_anim.setDuration(100);
|
|
offset_anim.setEasingCurve(QEasingCurve::OutCubic);
|
|
|
|
connect(this, &SnackBar::offsetChanged, this, [this]() mutable { repaint(); });
|
|
connect(
|
|
&offset_anim, &QPropertyAnimation::finished, this, [this]() { hideTimer_.start(10000); });
|
|
|
|
connect(&hideTimer_, SIGNAL(timeout()), this, SLOT(hideMessage()));
|
|
|
|
hide();
|
|
}
|
|
|
|
void
|
|
SnackBar::start()
|
|
{
|
|
if (messages_.empty())
|
|
return;
|
|
|
|
show();
|
|
raise();
|
|
|
|
offset_anim.start();
|
|
}
|
|
|
|
void
|
|
SnackBar::hideMessage()
|
|
{
|
|
stopTimers();
|
|
hide();
|
|
|
|
if (!messages_.empty())
|
|
// Moving on to the next message.
|
|
messages_.pop_front();
|
|
|
|
// Resetting the starting position of the widget.
|
|
offset_ = STARTING_OFFSET;
|
|
|
|
if (!messages_.empty())
|
|
start();
|
|
}
|
|
|
|
void
|
|
SnackBar::stopTimers()
|
|
{
|
|
hideTimer_.stop();
|
|
}
|
|
|
|
void
|
|
SnackBar::showMessage(const QString &msg)
|
|
{
|
|
messages_.push_back(msg);
|
|
|
|
// There is already an active message.
|
|
if (isVisible())
|
|
return;
|
|
|
|
start();
|
|
}
|
|
|
|
void
|
|
SnackBar::mousePressEvent(QMouseEvent *)
|
|
{
|
|
hideMessage();
|
|
}
|
|
|
|
void
|
|
SnackBar::paintEvent(QPaintEvent *event)
|
|
{
|
|
Q_UNUSED(event)
|
|
|
|
if (messages_.empty())
|
|
return;
|
|
|
|
auto message_ = messages_.front();
|
|
|
|
QPainter p(this);
|
|
p.setRenderHint(QPainter::Antialiasing);
|
|
|
|
QBrush brush;
|
|
brush.setStyle(Qt::SolidPattern);
|
|
brush.setColor(bgColor_);
|
|
p.setBrush(brush);
|
|
|
|
QRect r(0, 0, std::max(MIN_WIDTH, width() * MIN_WIDTH_PERCENTAGE), boxHeight_);
|
|
|
|
p.setPen(Qt::white);
|
|
QRect br = p.boundingRect(r, Qt::AlignHCenter | Qt::AlignTop | Qt::TextWordWrap, message_);
|
|
|
|
p.setPen(Qt::NoPen);
|
|
r = br.united(r).adjusted(-BOX_PADDING, -BOX_PADDING, BOX_PADDING, BOX_PADDING);
|
|
|
|
const qreal s = 1 - offset_;
|
|
|
|
if (position_ == SnackBarPosition::Bottom)
|
|
p.translate((width() - (r.width() - 2 * BOX_PADDING)) / 2,
|
|
height() - BOX_PADDING - s * (r.height()));
|
|
else
|
|
p.translate((width() - (r.width() - 2 * BOX_PADDING)) / 2,
|
|
s * (r.height()) - 2 * BOX_PADDING);
|
|
|
|
br.moveCenter(r.center());
|
|
p.drawRoundedRect(r.adjusted(0, 0, 0, 4), 4, 4);
|
|
p.setPen(textColor_);
|
|
p.drawText(br, Qt::AlignHCenter | Qt::AlignTop | Qt::TextWordWrap, message_);
|
|
}
|