From 0db80103caa7534db7eb9d169dc97d79ab259e4e Mon Sep 17 00:00:00 2001
From: Dirk Hohndel <dirk@hohndel.org>
Date: Tue, 25 Aug 2015 12:49:48 -0700
Subject: Add spinner while opening or saving cloud storage

Right now this is quite ugly. And at least in my VM the transparency
doesn't seem to work correctly. But at least we now have some visual
indication that we are doing something while opening or saving cloud
storage.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 qt-ui/mainwindow.cpp | 31 ++++++++++++++++++++++++++++++-
 qt-ui/mainwindow.h   |  5 ++++-
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/qt-ui/mainwindow.cpp b/qt-ui/mainwindow.cpp
index 4d416d2be..7593caf47 100644
--- a/qt-ui/mainwindow.cpp
+++ b/qt-ui/mainwindow.cpp
@@ -58,7 +58,8 @@ MainWindow::MainWindow() : QMainWindow(),
 	actionPreviousDive(0),
 	helpView(0),
 	state(VIEWALL),
-	survey(0)
+	survey(0),
+	spinner(0)
 {
 	Q_ASSERT_X(m_Instance == NULL, "MainWindow", "MainWindow recreated!");
 	m_Instance = this;
@@ -374,6 +375,7 @@ void MainWindow::on_actionCloudstorageopen_triggered()
 
 	int error;
 
+	startSpinner();
 	QByteArray fileNamePtr = QFile::encodeName(filename);
 	error = parse_file(fileNamePtr.data());
 	if (!error) {
@@ -382,6 +384,7 @@ void MainWindow::on_actionCloudstorageopen_triggered()
 	}
 	getNotificationWidget()->hideNotification();
 	process_dives(false, false);
+	stopSpinner();
 	refreshDisplay();
 	ui.actionAutoGroup->setChecked(autogroup);
 }
@@ -397,10 +400,15 @@ void MainWindow::on_actionCloudstoragesave_triggered()
 	if (information()->isEditing())
 		information()->acceptChanges();
 
+	startSpinner();
+
 	if (save_dives(filename.toUtf8().data())) {
 		getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
 		return;
 	}
+
+	stopSpinner();
+
 	getNotificationWidget()->showNotification(get_error_string(), KMessageWidget::Error);
 	set_filename(filename.toUtf8().data(), true);
 	setTitle(MWTF_FILENAME);
@@ -1762,3 +1770,24 @@ void MainWindow::setApplicationState(const QByteArray& state) {
 	}
 #undef SET_CURRENT_INDEX
 }
+
+void MainWindow::startSpinner()
+{
+	if (!spinner) {
+		spinner = new QtWaitingSpinner(Qt::WindowModal, this, true);
+		spinner->setRevolutionsPerSecond(1);
+		spinner->setColor(WHITE1);
+		spinner->setLineWidth(7);
+		spinner->setRoundness(40.0);
+		spinner->setMinimumTrailOpacity(0.25);
+	}
+	int shorterEdge = MIN(this->geometry().height(), this->geometry().width());
+	spinner->setInnerRadius(shorterEdge / 12);
+	spinner->setLineLength(shorterEdge / 8);
+	spinner->start();
+}
+
+void MainWindow::stopSpinner()
+{
+	spinner->stop();
+}
diff --git a/qt-ui/mainwindow.h b/qt-ui/mainwindow.h
index 226e9b6ee..759132146 100644
--- a/qt-ui/mainwindow.h
+++ b/qt-ui/mainwindow.h
@@ -15,6 +15,7 @@
 #include "ui_mainwindow.h"
 #include "notificationwidget.h"
 #include "windowtitleupdate.h"
+#include "qtwaitingspinner.h"
 
 struct DiveList;
 class QSortFilterProxyModel;
@@ -189,7 +190,8 @@ slots:
 	void planCreated();
 	void setEnabledToolbar(bool arg1);
 	void setPlanNotes();
-
+	void startSpinner();
+	void stopSpinner();
 
 private:
 	Ui::MainWindow ui;
@@ -244,6 +246,7 @@ private:
 	QHash<QByteArray, PropertiesForQuadrant> stateProperties;
 
 	WindowTitleUpdate *wtu;
+	QtWaitingSpinner *spinner;
 };
 
 #endif // MAINWINDOW_H
-- 
cgit v1.2.3-70-g09d2