Initial commit.

src/widgets/multiloadingindicator.cpp

@@ -0,0 +1,94 @@
+/*
+ * Strawberry Music Player
+ * This file was part of Clementine.
+ * Copyright 2010, David Sansome <me@davidsansome.com>
+ *
+ * Strawberry 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.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ * 
+ */
+
+#include "config.h"
+
+#include "multiloadingindicator.h"
+#include "core/taskmanager.h"
+#include "widgets/busyindicator.h"
+
+#include <QHBoxLayout>
+#include <QPainter>
+
+const int MultiLoadingIndicator::kVerticalPadding = 4;
+const int MultiLoadingIndicator::kHorizontalPadding = 6;
+const int MultiLoadingIndicator::kSpacing = 6;
+
+MultiLoadingIndicator::MultiLoadingIndicator(QWidget *parent)
+  : QWidget(parent),
+    spinner_(new BusyIndicator(this))
+{
+  spinner_->move(kHorizontalPadding, kVerticalPadding);
+  setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Fixed);
+}
+
+QSize MultiLoadingIndicator::sizeHint() const {
+  const int width = kHorizontalPadding * 2 + spinner_->sizeHint().width() + kSpacing + fontMetrics().width(text_);
+  const int height = kVerticalPadding * 2 + qMax(spinner_->sizeHint().height(), fontMetrics().height());
+
+  return QSize(width, height);
+}
+
+void MultiLoadingIndicator::SetTaskManager(TaskManager* task_manager) {
+  task_manager_ = task_manager;
+  connect(task_manager_, SIGNAL(TasksChanged()), SLOT(UpdateText()));
+}
+
+void MultiLoadingIndicator::UpdateText() {
+
+  QList<TaskManager::Task> tasks = task_manager_->GetTasks();
+
+  QStringList strings;
+  for (const TaskManager::Task& task : tasks) {
+    QString task_text(task.name);
+    task_text[0] = task_text[0].toLower();
+
+    if (task.progress_max) {
+      int percentage = float(task.progress) / task.progress_max * 100;
+      task_text += QString(" %1%").arg(percentage);
+    }
+
+    strings << task_text;
+  }
+
+  text_ = strings.join(", ");
+  if (!text_.isEmpty()) {
+    text_[0] = text_[0].toUpper();
+    text_ += "...";
+  }
+
+  emit TaskCountChange(tasks.count());
+  update();
+  updateGeometry();
+
+}
+
+void MultiLoadingIndicator::paintEvent(QPaintEvent*) {
+
+  QPainter p(this);
+
+  const QRect text_rect(
+      kHorizontalPadding + spinner_->sizeHint().width() + kSpacing, kVerticalPadding,
+      width() - kHorizontalPadding * 2 - spinner_->sizeHint().width() - kSpacing,
+      height() - kVerticalPadding * 2);
+  p.drawText(text_rect, Qt::TextSingleLine | Qt::AlignLeft, fontMetrics().elidedText(text_, Qt::ElideRight, text_rect.width()));
+
+}
+