Location service: instantiate location provider in the desktop UI

We still aren't doing anything with it, but at least it's there now.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

desktop-widgets/mainwindow.cpp

@@ -205,6 +205,7 @@ MainWindow::MainWindow() : QMainWindow(),
 	enableDisableCloudActions();
 #endif
 
+	GpsLocation *locationProvider = new GpsLocation(&report_message, this);
 	ui.mainErrorMessage->hide();
 	graphics()->setEmptyState();
 	initialUiSetup();

desktop-widgets/mainwindow.h

@@ -16,6 +16,7 @@
 #include "ui_mainwindow.h"
 #include "notificationwidget.h"
 #include "windowtitleupdate.h"
+#include "gpslocation.h"
 
 struct DiveList;
 class QSortFilterProxyModel;
@@ -93,6 +94,7 @@ public:
 	NotificationWidget *getNotificationWidget();
 	void enableDisableCloudActions();
 	void showError();
+
 private
 slots:
 	/* file menu action */
@@ -254,6 +256,7 @@ private:
 	QHash<QByteArray, PropertiesForQuadrant> stateProperties;
 
 	WindowTitleUpdate *wtu;
+	GpsLocation *locationProvider;
 };
 
 #endif // MAINWINDOW_H

subsurface-core/dive.h

@@ -637,6 +637,7 @@ extern "C" {
 #endif
 
 extern int report_error(const char *fmt, ...);
+extern void report_message(const char *msg);
 extern const char *get_error_string(void);
 
 extern struct dive *find_dive_including(timestamp_t when);

subsurface-core/save-git.c

@@ -445,6 +445,11 @@ int report_error(const char *fmt, ...)
 	return -1;
 }
 
+void report_message(const char *msg)
+{
+	(void)report_error("%s", msg);
+}
+
 /*
  * libgit2 has a "git_treebuilder" concept, but it's broken, and can not
  * be used to do a flat tree (like the git "index") nor a recursive tree.