Clementine-audio-player-Mac.../src/globalsearch/tooltipactionwidget.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 "tooltipactionwidget.h"
#include "core/logging.h"
#include <QAction>
#include <QPainter>
const int TooltipActionWidget::kBorder = 16;
const int TooltipActionWidget::kSpacing = 6;
TooltipActionWidget::TooltipActionWidget(QWidget* parent)
: QWidget(parent),
kTextHeight(fontMetrics().height()),
shortcut_width_(0),
description_width_(0)
{
}
void TooltipActionWidget::SetActions(QList<QAction*> actions) {
actions_ = actions;
int h = 3 + kTextHeight * actions.count();
shortcut_width_ = 0;
description_width_ = 0;
foreach (const QAction* action, actions) {
shortcut_width_ =
qMax(shortcut_width_,
fontMetrics().width(action->shortcut().toString(QKeySequence::NativeText)));
description_width_ =
qMax(description_width_, fontMetrics().width(action->text()));
}
size_hint_ = QSize(
kBorder*2 + shortcut_width_ + kSpacing + description_width_, h);
updateGeometry();
update();
}
void TooltipActionWidget::paintEvent(QPaintEvent*) {
int y = 3;
const qreal shortcut_opacity = 0.4;
const qreal description_opacity = 0.7;
QPainter p(this);
p.setPen(palette().color(QPalette::Text));
foreach (const QAction* action, actions_) {
const QRect shortcut_rect(kBorder, y, shortcut_width_, kTextHeight);
const QRect description_rect(shortcut_rect.right() + kSpacing, y,
description_width_, kTextHeight);
p.setOpacity(shortcut_opacity);
p.drawText(shortcut_rect, Qt::AlignRight | Qt::AlignVCenter,
action->shortcut().toString(QKeySequence::NativeText));
p.setOpacity(description_opacity);
p.drawText(description_rect, Qt::AlignVCenter, action->text());
y += kTextHeight;
}
}
void TooltipActionWidget::mousePressEvent(QMouseEvent* e) {
}