Clementine-audio-player-Mac.../src/widgets/didyoumean.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "didyoumean.h"
#include <QEvent>
#include <QKeyEvent>
#include <QPainter>
#include <QToolButton>
2020-09-18 16:15:19 +02:00
#include "core/logging.h"
const int DidYouMean::kPadding = 3;
DidYouMean::DidYouMean(QWidget* buddy, QWidget* parent)
: QWidget(parent, Qt::ToolTip),
buddy_(buddy),
close_(new QToolButton(this)),
normal_font_(font()),
correction_font_(font()),
press_enter_font_(font()) {
// Close icon
close_->setToolTip(tr("Close"));
close_->setIcon(QIcon(":/trolltech/styles/macstyle/images/closedock-16.png"));
close_->setIconSize(QSize(16, 16));
connect(close_, SIGNAL(clicked()), SLOT(hide()));
// Cursors
setCursor(Qt::PointingHandCursor);
close_->setCursor(Qt::ArrowCursor);
// Fonts
correction_font_.setBold(true);
press_enter_font_.setBold(true);
press_enter_font_.setPointSizeF(7.5);
hide();
buddy_->installEventFilter(this);
// Texts
did_you_mean_ = tr("Did you mean") + ": ";
press_enter_ = "(" + tr("press enter") + ")";
// Texts' sizes
did_you_mean_size_ = QFontMetrics(normal_font_).width(did_you_mean_);
press_enter_size_ = QFontMetrics(press_enter_font_).width(press_enter_);
}
bool DidYouMean::eventFilter(QObject* object, QEvent* event) {
if (object != buddy_) {
return QObject::eventFilter(object, event);
}
switch (event->type()) {
case QEvent::Move:
case QEvent::Resize:
if (isVisible()) {
UpdateGeometry();
}
break;
case QEvent::KeyPress:
if (!isVisible()) {
break;
}
switch (static_cast<QKeyEvent*>(event)->key()) {
case Qt::Key_Return:
case Qt::Key_Enter:
emit Accepted(correction_);
// fallthrough
case Qt::Key_Escape:
hide();
return true;
default:
break;
}
break;
case QEvent::FocusOut:
case QEvent::WindowDeactivate:
hide();
break;
default:
break;
}
return QObject::eventFilter(object, event);
}
void DidYouMean::showEvent(QShowEvent*) { UpdateGeometry(); }
void DidYouMean::UpdateGeometry() {
const int text_height = fontMetrics().height();
const int height = text_height + kPadding * 2;
move(buddy_->mapToGlobal(buddy_->rect().bottomLeft()));
// Resize to len(text to display) + total number of padding added +
// size(close button), so the "Did you mean" widget is always fully displayed
resize(QSize(did_you_mean_size_ +
QFontMetrics(correction_font_).width(correction_ + " ") +
press_enter_size_ + kPadding * 6 + close_->width(),
height));
close_->move(kPadding, kPadding);
close_->resize(text_height, text_height);
}
void DidYouMean::paintEvent(QPaintEvent*) {
QPainter p(this);
// Draw the background
QColor bg(palette().color(QPalette::Inactive, QPalette::ToolTipBase));
p.fillRect(0, 0, width() - 1, height() - 1, bg);
// Border
p.setPen(Qt::black);
p.drawRect(0, 0, width() - 1, height() - 1);
// Text rectangle
QRect text_rect(kPadding + close_->width() + kPadding, kPadding,
rect().width() - kPadding, rect().height() - kPadding);
// Text
p.setFont(normal_font_);
p.drawText(text_rect, Qt::AlignLeft | Qt::AlignVCenter, did_you_mean_);
text_rect.setLeft(text_rect.left() + p.fontMetrics().width(did_you_mean_));
p.setFont(correction_font_);
p.drawText(text_rect, Qt::AlignLeft | Qt::AlignVCenter, correction_);
text_rect.setLeft(text_rect.left() +
p.fontMetrics().width(correction_ + " "));
p.setPen(palette().color(QPalette::Disabled, QPalette::Text));
p.setFont(press_enter_font_);
p.drawText(text_rect, Qt::AlignLeft | Qt::AlignVCenter, press_enter_);
}
void DidYouMean::SetCorrection(const QString& correction) {
correction_ = correction;
UpdateGeometry();
update();
}
void DidYouMean::Show(const QString& correction) {
SetCorrection(correction);
show();
}
void DidYouMean::mouseReleaseEvent(QMouseEvent* e) {
emit Accepted(correction_);
hide();
}