108 lines
3.3 KiB
C++
108 lines
3.3 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <QtGlobal>
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#include <QWidget>
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#include <QList>
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#include <QString>
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#include <QStringList>
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#include <QPainter>
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#include <QSize>
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#include <QRect>
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#include <QSizePolicy>
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#include <QPaintEvent>
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#include "core/shared_ptr.h"
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#include "core/taskmanager.h"
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#include "multiloadingindicator.h"
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#include "widgets/busyindicator.h"
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const int MultiLoadingIndicator::kVerticalPadding = 4;
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const int MultiLoadingIndicator::kHorizontalPadding = 6;
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const int MultiLoadingIndicator::kSpacing = 6;
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MultiLoadingIndicator::MultiLoadingIndicator(QWidget *parent)
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: QWidget(parent),
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task_manager_(nullptr),
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spinner_(new BusyIndicator(this)) {
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spinner_->move(kHorizontalPadding, kVerticalPadding);
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setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
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}
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QSize MultiLoadingIndicator::sizeHint() const {
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const int width = kHorizontalPadding * 2 + spinner_->sizeHint().width() + kSpacing + fontMetrics().horizontalAdvance(text_);
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const int height = kVerticalPadding * 2 + qMax(spinner_->sizeHint().height(), fontMetrics().height());
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return QSize(width, height);
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}
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void MultiLoadingIndicator::SetTaskManager(SharedPtr<TaskManager> task_manager) {
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task_manager_ = task_manager;
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QObject::connect(&*task_manager_, &TaskManager::TasksChanged, this, &MultiLoadingIndicator::UpdateText);
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}
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void MultiLoadingIndicator::UpdateText() {
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const QList<TaskManager::Task> tasks = task_manager_->GetTasks();
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QStringList strings;
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strings.reserve(tasks.count());
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for (const TaskManager::Task &task : tasks) {
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QString task_text(task.name);
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task_text[0] = task_text[0].toLower();
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if (task.progress_max > 0) {
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int percentage = static_cast<int>(static_cast<float>(task.progress) / static_cast<float>(task.progress_max) * 100.0F);
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task_text += QStringLiteral(" %1%").arg(percentage);
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}
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strings << task_text;
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}
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text_ = strings.join(QStringLiteral(", "));
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if (!text_.isEmpty()) {
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text_[0] = text_[0].toUpper();
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text_ += QLatin1String("...");
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}
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emit TaskCountChange(static_cast<int>(tasks.count()));
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update();
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updateGeometry();
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}
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void MultiLoadingIndicator::paintEvent(QPaintEvent*) {
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QPainter p(this);
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const QRect text_rect(
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kHorizontalPadding + spinner_->sizeHint().width() + kSpacing, kVerticalPadding,
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width() - kHorizontalPadding * 2 - spinner_->sizeHint().width() - kSpacing,
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height() - kVerticalPadding * 2);
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p.drawText(text_rect, Qt::TextSingleLine | Qt::AlignLeft, fontMetrics().elidedText(text_, Qt::ElideRight, text_rect.width())); // NOLINT(bugprone-suspicious-enum-usage)
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}
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