From 5c4384235989b16d6931cc0cfa26dd192af68b96 Mon Sep 17 00:00:00 2001
From: Jan Dalheimer <jan@dalheimer.de>
Date: Sat, 12 Jul 2014 17:58:23 +0200
Subject: Add a new page that can show all sorts of logs

---
 logic/OneSixInstance.cpp             | 14 +++---
 logic/RecursiveFileSystemWatcher.cpp | 97 ++++++++++++++++++++++++++++++++++++
 logic/RecursiveFileSystemWatcher.h   | 51 +++++++++++++++++++
 3 files changed, 156 insertions(+), 6 deletions(-)
 create mode 100644 logic/RecursiveFileSystemWatcher.cpp
 create mode 100644 logic/RecursiveFileSystemWatcher.h

(limited to 'logic')

diff --git a/logic/OneSixInstance.cpp b/logic/OneSixInstance.cpp
index 3eb817a5..82d4e480 100644
--- a/logic/OneSixInstance.cpp
+++ b/logic/OneSixInstance.cpp
@@ -31,12 +31,13 @@
 #include "logic/MinecraftProcess.h"
 #include "gui/pagedialog/PageDialog.h"
 #include "gui/pages/VersionPage.h"
-#include <gui/pages/ModFolderPage.h>
-#include <gui/pages/ResourcePackPage.h>
-#include <gui/pages/TexturePackPage.h>
-#include <gui/pages/InstanceSettingsPage.h>
-#include <gui/pages/NotesPage.h>
-#include <gui/pages/ScreenshotsPage.h>
+#include "gui/pages/ModFolderPage.h"
+#include "gui/pages/ResourcePackPage.h"
+#include "gui/pages/TexturePackPage.h"
+#include "gui/pages/InstanceSettingsPage.h"
+#include "gui/pages/NotesPage.h"
+#include "gui/pages/ScreenshotsPage.h"
+#include "gui/pages/OtherLogsPage.h"
 
 OneSixInstance::OneSixInstance(const QString &rootDir, SettingsObject *settings,
 							   QObject *parent)
@@ -72,6 +73,7 @@ QList<BasePage *> OneSixInstance::getPages()
 	values.append(new NotesPage(this));
 	values.append(new ScreenshotsPage(this));
 	values.append(new InstanceSettingsPage(this));
+	values.append(new OtherLogsPage(this));
 	return values;
 }
 
diff --git a/logic/RecursiveFileSystemWatcher.cpp b/logic/RecursiveFileSystemWatcher.cpp
new file mode 100644
index 00000000..5cfa7e4e
--- /dev/null
+++ b/logic/RecursiveFileSystemWatcher.cpp
@@ -0,0 +1,97 @@
+#include "RecursiveFileSystemWatcher.h"
+
+#include <QRegularExpression>
+
+RecursiveFileSystemWatcher::RecursiveFileSystemWatcher(QObject *parent)
+	: QObject(parent),
+	  m_watcher(new QFileSystemWatcher(this))
+{
+	connect(m_watcher, &QFileSystemWatcher::fileChanged, this, &RecursiveFileSystemWatcher::fileChange);
+	connect(m_watcher, &QFileSystemWatcher::directoryChanged, this, &RecursiveFileSystemWatcher::directoryChange);
+}
+
+void RecursiveFileSystemWatcher::setRootDir(const QDir &root)
+{
+	bool wasEnabled = m_isEnabled;
+	disable();
+	m_root = root;
+	setFiles(scanRecursive(m_root));
+	if (wasEnabled)
+	{
+		enable();
+	}
+}
+void RecursiveFileSystemWatcher::setWatchFiles(const bool watchFiles)
+{
+	bool wasEnabled = m_isEnabled;
+	disable();
+	m_watchFiles = watchFiles;
+	if (wasEnabled)
+	{
+		enable();
+	}
+}
+
+void RecursiveFileSystemWatcher::enable()
+{
+	Q_ASSERT(m_root != QDir::root());
+	addFilesToWatcherRecursive(m_root);
+	m_isEnabled = true;
+}
+void RecursiveFileSystemWatcher::disable()
+{
+	m_isEnabled = false;
+	m_watcher->removePaths(m_watcher->files());
+	m_watcher->removePaths(m_watcher->directories());
+}
+
+void RecursiveFileSystemWatcher::setFiles(const QStringList &files)
+{
+	if (files != m_files)
+	{
+		m_files = files;
+		emit filesChanged();
+	}
+}
+
+void RecursiveFileSystemWatcher::addFilesToWatcherRecursive(const QDir &dir)
+{
+	m_watcher->addPath(dir.absolutePath());
+	for (const QFileInfo &info : dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot))
+	{
+		addFilesToWatcherRecursive(info.absoluteDir());
+	}
+	if (m_watchFiles)
+	{
+		for (const QFileInfo &info : dir.entryInfoList(QDir::Files))
+		{
+			m_watcher->addPath(info.absoluteFilePath());
+		}
+	}
+}
+QStringList RecursiveFileSystemWatcher::scanRecursive(const QDir &dir)
+{
+	QStringList ret;
+	QRegularExpression exp(m_exp);
+	for (const QFileInfo &info : dir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::Files))
+	{
+		if (info.isFile() && exp.match(info.absoluteFilePath()).hasMatch())
+		{
+			ret.append(info.absoluteFilePath());
+		}
+		else if (info.isDir())
+		{
+			ret.append(scanRecursive(info.absoluteDir()));
+		}
+	}
+	return ret;
+}
+
+void RecursiveFileSystemWatcher::fileChange(const QString &path)
+{
+	emit fileChanged(path);
+}
+void RecursiveFileSystemWatcher::directoryChange(const QString &path)
+{
+	setFiles(scanRecursive(m_root));
+}
diff --git a/logic/RecursiveFileSystemWatcher.h b/logic/RecursiveFileSystemWatcher.h
new file mode 100644
index 00000000..54fc1d12
--- /dev/null
+++ b/logic/RecursiveFileSystemWatcher.h
@@ -0,0 +1,51 @@
+#pragma once
+
+#include <QFileSystemWatcher>
+#include <QDir>
+
+class RecursiveFileSystemWatcher : public QObject
+{
+	Q_OBJECT
+public:
+	RecursiveFileSystemWatcher(QObject *parent);
+
+	void setRootDir(const QDir &root);
+	QDir rootDir() const { return m_root; }
+
+	// WARNING: setting this to true may be bad for performance
+	void setWatchFiles(const bool watchFiles);
+	bool watchFiles() const { return m_watchFiles; }
+
+	void setFileExpression(const QString &exp) { m_exp = exp; }
+	QString fileExpression() const { return m_exp; }
+
+	QStringList files() const { return m_files; }
+
+signals:
+	void filesChanged();
+	void fileChanged(const QString &path);
+
+public
+slots:
+	void enable();
+	void disable();
+
+private:
+	QDir m_root;
+	bool m_watchFiles = false;
+	bool m_isEnabled = false;
+	QString m_exp;
+
+	QFileSystemWatcher *m_watcher;
+
+	QStringList m_files;
+	void setFiles(const QStringList &scanRecursive);
+
+	void addFilesToWatcherRecursive(const QDir &dir);
+	QStringList scanRecursive(const QDir &dir);
+
+private
+slots:
+	void fileChange(const QString &path);
+	void directoryChange(const QString &path);
+};
-- 
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