tasks: added elapsed/remaining time displays for all tasks

2020-05-24 18:10:08 +10:00
parent 4c4bcb0989
commit 4f21a930dd
10 changed files with 210 additions and 12 deletions
@@ -0,0 +1,88 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019 Olive Team
+
+  This program 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.
+
+  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "elapsedcounterwidget.h"
+
+#include <QDateTime>
+#include <QHBoxLayout>
+
+#include "common/timecodefunctions.h"
+
+OLIVE_NAMESPACE_ENTER
+
+ElapsedCounterWidget::ElapsedCounterWidget(QWidget* parent) :
+  QWidget(parent),
+  last_progress_(0),
+  start_time_(0)
+{
+  QHBoxLayout* layout = new QHBoxLayout(this);
+  layout->setSpacing(0);
+  layout->setMargin(0);
+
+  elapsed_lbl_ = new QLabel();
+  layout->addWidget(elapsed_lbl_);
+
+  remaining_lbl_ = new QLabel();
+  layout->addWidget(remaining_lbl_);
+
+  elapsed_timer_.setInterval(500);
+  connect(&elapsed_timer_, &QTimer::timeout, this, &ElapsedCounterWidget::UpdateTimers);
+  UpdateTimers();
+}
+
+void ElapsedCounterWidget::SetProgress(double d)
+{
+  last_progress_ = d;
+  UpdateTimers();
+}
+
+void ElapsedCounterWidget::Start()
+{
+  Start(QDateTime::currentMSecsSinceEpoch());
+}
+
+void ElapsedCounterWidget::Start(qint64 start_time)
+{
+  start_time_ = start_time;
+  elapsed_timer_.start();
+  UpdateTimers();
+}
+
+void ElapsedCounterWidget::UpdateTimers()
+{
+  int64_t elapsed_ms, remaining_ms;
+
+  if (last_progress_ > 0) {
+    elapsed_ms = QDateTime::currentMSecsSinceEpoch() - start_time_;
+
+    double ms_per_progress_unit = elapsed_ms / last_progress_;
+    double remaining_progress = 1.0 - last_progress_;
+
+    remaining_ms = qRound64(ms_per_progress_unit * remaining_progress);
+  } else {
+    elapsed_ms = 0;
+    remaining_ms = 0;
+  }
+
+  elapsed_lbl_->setText(tr("Elapsed: %1").arg(Timecode::TimeToString(elapsed_ms)));
+  remaining_lbl_->setText(tr("Remaining: %1").arg(Timecode::TimeToString(remaining_ms)));
+}
+
+OLIVE_NAMESPACE_EXIT