From ef95bd9a2784db7468df01bebf0166f73179e7a4 Mon Sep 17 00:00:00 2001
From: Dirk Hohndel <dirk@hohndel.org>
Date: Fri, 12 Jun 2015 06:48:51 -0700
Subject: Indicate that there are unsaved changes with a '*' in the window
 title

This seems to be a fairly common way to indicate this property.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
---
 divelist.c           | 2 ++
 qt-ui/mainwindow.cpp | 3 ++-
 qt-ui/mainwindow.h   | 2 +-
 qthelper.cpp         | 6 ++++++
 qthelperfromc.h      | 1 +
 5 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/divelist.c b/divelist.c
index 773f52713..468373591 100644
--- a/divelist.c
+++ b/divelist.c
@@ -43,6 +43,7 @@
 #include "divelist.h"
 #include "display.h"
 #include "planner.h"
+#include "qthelperfromc.h"
 
 static short dive_list_changed = false;
 
@@ -920,6 +921,7 @@ void combine_trips(struct dive_trip *trip_a, struct dive_trip *trip_b)
 void mark_divelist_changed(int changed)
 {
 	dive_list_changed = changed;
+	updateWindowTitle();
 }
 
 int unsaved_changes()
diff --git a/qt-ui/mainwindow.cpp b/qt-ui/mainwindow.cpp
index 80f9fc9f1..571eb15f1 100644
--- a/qt-ui/mainwindow.cpp
+++ b/qt-ui/mainwindow.cpp
@@ -1429,7 +1429,8 @@ void MainWindow::setTitle(enum MainWindowTitleFormat format)
 		QFile f(existing_filename);
 		QFileInfo fileInfo(f);
 		QString fileName(fileInfo.fileName());
-		setWindowTitle("Subsurface: " + fileName);
+		QString unsaved = (unsaved_changes() ? " *" : "");
+		setWindowTitle("Subsurface: " + fileName + unsaved);
 		break;
 	}
 }
diff --git a/qt-ui/mainwindow.h b/qt-ui/mainwindow.h
index 6a5f95921..9bed1d05f 100644
--- a/qt-ui/mainwindow.h
+++ b/qt-ui/mainwindow.h
@@ -72,7 +72,7 @@ public:
 	DivePlannerWidget *divePlannerWidget();
 	PlannerSettingsWidget *divePlannerSettingsWidget();
 	LocationInformationWidget *locationInformationWidget();
-	void setTitle(enum MainWindowTitleFormat format);
+	void setTitle(enum MainWindowTitleFormat format = MWTF_FILENAME);
 
 	// Some shortcuts like "change DC" or "copy/paste dive components"
 	// should only be enabled when the profile's visible.
diff --git a/qthelper.cpp b/qthelper.cpp
index e476df429..5434bcd20 100644
--- a/qthelper.cpp
+++ b/qthelper.cpp
@@ -34,6 +34,7 @@
 #include <QtConcurrent>
 #include "divepicturewidget.h"
 #include "subsurfacewebservices.h"
+#include "mainwindow.h"
 
 #include <libxslt/documents.h>
 
@@ -1057,3 +1058,8 @@ extern "C" bool canReachCloudServer()
 {
 	return CheckCloudConnection::checkServer();
 }
+
+extern "C" void updateWindowTitle()
+{
+	MainWindow::instance()->setTitle();
+}
diff --git a/qthelperfromc.h b/qthelperfromc.h
index 039d9252d..d7ba6f1b7 100644
--- a/qthelperfromc.h
+++ b/qthelperfromc.h
@@ -3,5 +3,6 @@
 
 bool getProxyString(char **buffer);
 bool canReachCloudServer();
+void updateWindowTitle();
 
 #endif // QTHELPERFROMC_H
-- 
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