debug: try to capture changes that don't invalidate git cache

At least in those cases where we are sending a divesChanged signal we can
easily check if the cache was properly invalidated. Of course this won't help
in cases where we don't notify the dive list about changes, either.

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

commands/command_edit.cpp

@@ -688,7 +688,6 @@ void EditTagsBase::undo()
 #else
 	emit diveListNotifier.divesChanged(QVector<dive *>::fromStdVector(dives), id);
 #endif
-
 	setSelection(selectedDives, current);
 }
 

desktop-widgets/mainwindow.cpp

@@ -37,8 +37,6 @@
 #include "core/settings/qPrefPartialPressureGas.h"
 #include "core/settings/qPrefTechnicalDetails.h"
 
-#include "core/subsurface-qt/divelistnotifier.h"
-
 #include "desktop-widgets/about.h"
 #include "desktop-widgets/divecomputermanagementdialog.h"
 #include "desktop-widgets/divelistview.h"
@@ -218,6 +216,11 @@ MainWindow::MainWindow() : QMainWindow(),
 
 	connect(&windowTitleUpdate, &WindowTitleUpdate::updateTitle, this, &MainWindow::setAutomaticTitle);
 	connect(&diveListNotifier, &DiveListNotifier::numShownChanged, this, &MainWindow::setAutomaticTitle);
+	// monitor when dives changed - but only in verbose mode
+	// careful - changing verbose at runtime isn't enough (of course that could be added if we want it)
+	if (verbose)
+		connect(&diveListNotifier, &DiveListNotifier::divesChanged, this, &MainWindow::divesChanged);
+
 #ifdef NO_PRINTING
 	plannerDetails->printPlan()->hide();
 	ui.menuFile->removeAction(ui.actionPrint);
@@ -1944,3 +1947,13 @@ void MainWindow::unsetProfTissues()
 	ui.profTissues->setChecked(false);
 	qPrefTechnicalDetails::set_percentagegraph(false);
 }
+
+void MainWindow::divesChanged(const QVector<dive *> &dives, DiveField field)
+{
+	Q_UNUSED(field)
+	for (struct dive *d: dives) {
+		qDebug() << "dive #" << d->number << "changed, cache is" << (dive_cache_is_valid(d) ? "valid" : "invalidated");
+		// a brute force way to deal with that would of course be to call
+		// invalidate_dive_cache(d);
+	}
+}

desktop-widgets/mainwindow.h

@@ -22,6 +22,7 @@
 #include "core/applicationstate.h"
 #include "core/gpslocation.h"
 #include "core/dive.h"
+#include "core/subsurface-qt/divelistnotifier.h"
 
 #define NUM_RECENT_FILES 4
 
@@ -252,6 +253,7 @@ private:
 	GpsLocation *locationProvider;
 	QMenu *connections;
 	QAction *share_on_fb;
+	void divesChanged(const QVector<dive *> &dives, DiveField field);
 };
 
 #endif // MAINWINDOW_H

mobile-widgets/qmlmanager.cpp

@@ -264,6 +264,11 @@ QMLManager::QMLManager() : m_locationServiceEnabled(false),
 	what.tags = true;
 	what.cylinders = true;
 	what.weights = true;
+
+	// monitor when dives changed - but only in verbose mode
+	// careful - changing verbose at runtime isn't enough (of course that could be added if we want it)
+	if (verbose)
+		connect(&diveListNotifier, &DiveListNotifier::divesChanged, this, &QMLManager::divesChanged);
 }
 
 void QMLManager::applicationStateChanged(Qt::ApplicationState state)
@@ -2189,3 +2194,13 @@ void QMLManager::setOldStatus(const qPrefCloudStorage::cloud_status value)
 		emit oldStatusChanged();
 	}
 }
+
+void QMLManager::divesChanged(const QVector<dive *> &dives, DiveField field)
+{
+	Q_UNUSED(field)
+	for (struct dive *d: dives) {
+		qDebug() << "dive #" << d->number << "changed, cache is" << (dive_cache_is_valid(d) ? "valid" : "invalidated");
+		// a brute force way to deal with that would of course be to call
+		// invalidate_dive_cache(d);
+	}
+}

mobile-widgets/qmlmanager.h

@@ -17,6 +17,7 @@
 #include "qt-models/completionmodels.h"
 #include "qt-models/divelocationmodel.h"
 #include "core/settings/qPrefCloudStorage.h"
+#include "core/subsurface-qt/divelistnotifier.h"
 
 #define NOCLOUD_LOCALSTORAGE format_string("%s/cloudstorage/localrepo[master]", system_default_directory())
 
@@ -226,6 +227,7 @@ public slots:
 	void hasLocationSourceChanged();
 	void btRescan();
 	void showDownloadPage(QString deviceString);
+	void divesChanged(const QVector<dive *> &dives, DiveField field);
 
 private:
 	BuddyCompletionModel buddyModel;