implement up/forward/back/top buttons

CMakeLists.txt

@@ -27,9 +27,12 @@ macro(make_qt_project TARGET_NAME)
 	target_compile_definitions(
 		${TARGET_NAME}
 		PUBLIC
-			-DQT_DEPRECATED_WARNINGS
-			-DQT_STRICT_ITERATORS
-			-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT)
+			-DQT_DISABLE_DEPRECATED_BEFORE=0x051300
+			-DQT_NO_CAST_FROM_ASCII
+			-DQT_NO_CAST_TO_ASCII
+			-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT
+			-DQT_NO_URL_CAST_FROM_STRING
+			-DQT_STRICT_ITERATORS)
 endmacro()
 
 find_package(

source/common.h

@@ -11,6 +11,7 @@
 #include <array>
 #include <filesystem>
 #include <fstream>
+#include <functional>
 #include <ios>
 #include <istream>
 #include <iterator>
@@ -28,8 +29,6 @@ using Option = std::optional<T>;
 template<typename... Ts>
 using Variant = std::variant<Ts...>;
 
-using Path = std::filesystem::path;
-
 template<typename T>
 using UniquePtr = std::unique_ptr<T>;
 
@@ -104,7 +103,7 @@ static inline std::array<char, N> readBytes(std::istream &st) {
 	return std::move(b);
 }
 
-static inline std::ifstream openReadBin(Path path) {
+static inline std::ifstream openReadBin(std::filesystem::path path) {
 	return std::ifstream{path, std::ios_base::in | std::ios_base::binary};
 }
 

source/quam/archive.cc

@@ -18,42 +18,120 @@ namespace Arc {
 		return None;
 	}
 
-	Node::Node(std::string _name, Dir *_parent) :
+	Node::Node(std::string _name) :
 		name(_name),
-		parent(_parent)
+		parent(nullptr)
 	{
 	}
 
 	Node::~Node() {
 	}
 
-	Dir::Dir(std::string _name, Dir *_parent) :
-		Node(_name, _parent),
-		baseType()
+	Dir *Node::getRoot() {
+		if(!parent) {
+			return getDir();
+		} else {
+			Dir *rover = parent;
+			while(rover->parent) {
+				rover = rover->parent;
+			}
+			return rover;
+		}
+	}
+
+	Node *Node::findPath(std::string path) {
+		if(path.empty()) {
+			return nullptr;
+		}
+
+		Dir *rover;
+
+		// get the initial dir, which will either be:
+		// - the root if the path starts with /
+		// - the node itself
+		// - the node's current Dir (when it's not a Dir)
+		if(path.front() == '/') {
+			path.erase(path.begin());
+			rover = getRoot();
+		} else {
+			rover = getDir();
+			if(!rover) {
+				rover = parent;
+			}
+		}
+
+		if(path.empty()) {
+			// no file, so just the directory itself
+			return rover;
+		} else if(auto slash = path.find('/'); slash != std::string::npos) {
+			std::string prev;
+			prev = path.substr(0, slash);
+			path = path.substr(slash + 1);
+
+			if(prev == "..") {
+				// parent dir on ".."
+				rover = rover->parent ? rover->parent : rover;
+			} else if(prev != ".") {
+				if(auto node = rover->findNode(prev)) {
+					// we want a subdirectory since this path continues
+					rover = node->getDir();
+				} else {
+					// took a wrong turn
+					rover = nullptr;
+				}
+			}
+
+			// recurse
+			return rover ? rover->findPath(path) : nullptr;
+		} else {
+			// must be a node inside a directory
+			return rover->findNode(path);
+		}
+	}
+
+	std::string Node::getPath(bool fromChild) const {
+		if(parent) {
+			return parent->getPath(true) + '/' + name;
+		} else if(fromChild) {
+			return std::string{};
+		} else {
+			return "/";
+		}
+	}
+
+	Dir::Dir(std::string _name) :
+		Node(_name),
+		m_data()
 	{
 	}
 
 	Dir::~Dir() {
 	}
 
+	UniquePtr<Node> const &Dir::emplaceBack(Node *node) {
+		node->parent = this;
+		return m_data.emplace_back(node);
+	}
+
 	Dir Dir::readArchive(std::istream &st, ArcType type) {
 		switch(type) {
 			case ArcType::Pack: return readPack(st);
 			case ArcType::Wad2: return readWad2(st);
 		}
+		Q_UNREACHABLE();
 	}
 
 	Node *Dir::findNode(std::string const &name) {
-		auto it = std::find_if(begin(), end(),
+		auto it = std::find_if(m_data.begin(), m_data.end(),
 			[&name](auto const &node) {
 				return node->name == name;
 			});
-		return it != end() ? &**it : nullptr;
+		return it != m_data.end() ? &**it : nullptr;
 	}
 
-	File::File(std::string _name, Dir *_parent) :
-		Node(_name, _parent),
-		baseType()
+	File::File(std::string _name, QByteArray &&_data) :
+		Node(_name),
+		m_data(std::move(_data))
 	{
 	}
 
@@ -110,7 +188,7 @@ namespace Arc {
 			case Qt::DecorationRole:
 				if(col == Column::Name) {
 					auto icon = node->getDir() ? "folder" : "text-x-generic";
-					return QVariant{QIcon::fromTheme(icon)};
+					return QVariant{QIcon::fromTheme(QString::fromUtf8(icon))};
 				}
 				break;
 			case Qt::DisplayRole:
@@ -167,7 +245,7 @@ namespace Arc {
 		if(!m_dir || !hasIndex(row, col, parent) || row > m_dir->size()) {
 			return QModelIndex{};
 		} else {
-			return createIndex(row, col, &*m_dir->at(row));
+			return createIndex(row, col, m_dir->at(row));
 		}
 	}
 
@@ -187,6 +265,10 @@ namespace Arc {
 		return m_dir;
 	}
 
+	Node *Model::findPath(std::string path) {
+		return m_dir->findPath(path);
+	}
+
 	void Model::setDir(Dir *to) {
 		auto from = m_dir;
 		if(to != from) {
@@ -209,7 +291,7 @@ namespace Arc {
 		}
 	}
 
-	bool Model::dirUp() {
+	bool Model::goUp() {
 		if(m_dir && m_dir->parent) {
 			setDir(m_dir->parent);
 			return true;
@@ -217,6 +299,17 @@ namespace Arc {
 			return false;
 		}
 	}
+
+	bool Model::goPath(std::string path) {
+		Node *node;
+		Dir  *dir;
+		if(m_dir && (node = m_dir->findPath(path)) && (dir = node->getDir())) {
+			setDir(dir);
+			return true;
+		} else {
+			return false;
+		}
+	}
 }
 
 // EOF

source/quam/archive.h

@@ -50,18 +50,23 @@ namespace Arc {
 		virtual File const *getFile() const = 0;
 		virtual File       *getFile()       = 0;
 
+		Dir  *getRoot();
+		Node *findPath(std::string path);
+
+		std::string getPath(bool fromChild = false) const;
+
 		Dir        *parent{nullptr};
 		std::string name;
 
 	protected:
-		Node(std::string name, Dir *parent);
+		Node(std::string name);
 	};
 
-	class Dir : public Node, public std::vector<UniquePtr<Node>> {
+	class Dir : public Node {
 	public:
-		using baseType = std::vector<UniquePtr<Node>>;
+		using DataType = std::vector<UniquePtr<Node>>;
 
-		Dir(std::string name, Dir *parent = nullptr);
+		Dir(std::string name);
 		Dir(Dir const &) = delete;
 		Dir(Dir &&)      = default;
 		virtual ~Dir();
@@ -71,16 +76,25 @@ namespace Arc {
 		File const *getFile() const override {return nullptr;}
 		File       *getFile()       override {return nullptr;}
 
+		DataType const &data()            const {return m_data;}
+		Node           *at(std::size_t i) const {return &*m_data.at(i);}
+
+		std::size_t size() const {return m_data.size();}
+
+		UniquePtr<Node> const &emplaceBack(Node *node);
 		Node *findNode(std::string const &name);
 
 		static Dir readArchive(std::istream &st, ArcType type);
+
+	private:
+		DataType m_data;
 	};
 
-	class File : public Node, public QByteArray {
+	class File : public Node {
 	public:
-		using baseType = QByteArray;
+		using DataType = QByteArray;
 
-		File(std::string name, Dir *parent = nullptr);
+		File(std::string name, QByteArray &&data);
 		File(File const &) = delete;
 		File(File &&)      = default;
 		virtual ~File();
@@ -90,7 +104,14 @@ namespace Arc {
 		File const *getFile() const override {return this;}
 		File       *getFile()       override {return this;}
 
+		DataType const &data() const {return m_data;}
+
+		std::size_t size() const {return m_data.size();}
+
 		FileType type{FileType::Normal};
+
+	private:
+		DataType m_data;
 	};
 
 	class Model : public QAbstractItemModel {
@@ -115,10 +136,14 @@ namespace Arc {
 
 		Dir *dir() const;
 
+		Node *findPath(std::string path);
+
 	public slots:
 		void setDir(Dir *dir);
 		void setDirToIndex(QModelIndex const &ind);
-		bool dirUp();
+
+		bool goUp();
+		bool goPath(std::string path);
 
 	signals:
 		void dirChanged(Dir *from, Dir *to);
@@ -152,12 +177,12 @@ namespace Arc {
 }
 
 static inline QDebug operator<<(QDebug debug, Arc::Dir const &t) {
-	debug << static_cast<Arc::Dir::baseType const &>(t);
+	debug << t.data();
 	return debug;
 }
 
 static inline QDebug operator<<(QDebug debug, Arc::File const &t) {
-	debug << static_cast<Arc::File::baseType const &>(t);
+	debug << t.data();
 	return debug;
 }
 

source/quam/main.cc

@@ -6,10 +6,10 @@
 #include <QCoreApplication>
 
 static void setupAppl(QCoreApplication &appl) {
-	appl.setApplicationName("QuAM!");
-	appl.setApplicationVersion("1.0");
-	appl.setOrganizationDomain("greyserv.net");
-	appl.setOrganizationName("Project Golan");
+	appl.setApplicationName(QString::fromUtf8("QuAM!"));
+	appl.setApplicationVersion(QString::fromUtf8("1.0"));
+	appl.setOrganizationDomain(QString::fromUtf8("greyserv.net"));
+	appl.setOrganizationName(QString::fromUtf8("Project Golan"));
 }
 
 static int modeGui(int argc, char *argv[]) {
@@ -26,14 +26,15 @@ static int modeText(int argc, char *argv[]) {
 
 	QCommandLineParser par;
 
-	par.setApplicationDescription("Quake Archive Manager");
+	par.setApplicationDescription(QString::fromUtf8("Quake Archive Manager"));
 	par.setSingleDashWordOptionMode(
 		QCommandLineParser::ParseAsCompactedShortOptions);
 
 	par.addHelpOption();
 	par.addVersionOption();
 
-	QCommandLineOption fileNameOpt{QStringList{"f", "file"},
+	QCommandLineOption fileNameOpt{QStringList{QString::fromUtf8("f"),
+	                                           QString::fromUtf8("file")},
 	                               trMain("Open the archive <file>."),
 	                               trMain("file")};
 	par.addOption(fileNameOpt);

source/quam/main_window.cc

@@ -5,6 +5,16 @@
 
 #include <QErrorMessage>
 #include <QFileDialog>
+#include <QMdiSubWindow>
+
+static bool applyActiveWin(QMdiArea *area, std::function<bool(Project *)> fn) {
+	if(auto subWin = area->activeSubWindow()) {
+		if(auto win = qobject_cast<Project *>(subWin->widget())) {
+			return fn(win);
+		}
+	}
+	return false;
+}
 
 MainWindow::MainWindow(QWidget *parent) :
 	QMainWindow{parent},
@@ -16,6 +26,11 @@ MainWindow::MainWindow(QWidget *parent) :
 	actionClose->setShortcut(QKeySequence{QKeySequence::Close});
 	actionOpen->setShortcut(QKeySequence{QKeySequence::Open});
 	actionQuit->setShortcut(QKeySequence{QKeySequence::Quit});
+
+	actionUp->setShortcut(Qt::ALT + Qt::Key_Up);
+	actionTop->setShortcut(Qt::ALT + Qt::Key_Home);
+	actionBack->setShortcut(QKeySequence{QKeySequence::Back});
+	actionForward->setShortcut(QKeySequence{QKeySequence::Forward});
 }
 
 MainWindow::~MainWindow() {
@@ -34,8 +49,15 @@ void MainWindow::fileOpen() {
 
 	if(!fileName.isEmpty()) {
 		try {
-			auto st = openReadBin(fileName.toStdString());
-			new Project{st, m_errors, mdiArea};
+			auto path = std::filesystem::path(fileName.toStdString());
+			auto st   = openReadBin(path);
+			auto win  = new QMdiSubWindow;
+			auto proj = new Project{st, m_errors, win};
+			win->setWidget(proj);
+			win->setAttribute(Qt::WA_DeleteOnClose);
+			win->setWindowTitle(QString::fromStdString(path.filename()));
+			mdiArea->addSubWindow(win);
+			win->showMaximized();
 		} catch(std::exception const &exc) {
 			m_errors->showMessage(tr(exc.what()));
 		}
@@ -48,4 +70,20 @@ void MainWindow::fileClose() {
 	}
 }
 
+bool MainWindow::goBack() {
+	return applyActiveWin(mdiArea, [](auto win) {return win->goBack();});
+}
+
+bool MainWindow::goForward() {
+	return applyActiveWin(mdiArea, [](auto win) {return win->goForward();});
+}
+
+bool MainWindow::goTop() {
+	return applyActiveWin(mdiArea, [](auto win) {return win->goTop();});
+}
+
+bool MainWindow::goUp() {
+	return applyActiveWin(mdiArea, [](auto win) {return win->goUp();});
+}
+
 // EOF

source/quam/main_window.h

@@ -20,6 +20,11 @@ public slots:
 	void fileOpen();
 	void fileClose();
 
+	bool goBack();
+	bool goForward();
+	bool goTop();
+	bool goUp();
+
 private:
 	QErrorMessage *m_errors;
 };

source/quam/main_window.ui

@@ -17,6 +17,15 @@
    <layout class="QHBoxLayout" name="horizontalLayout_4">
     <item>
      <widget class="QMdiArea" name="mdiArea">
+      <property name="background">
+       <brush brushstyle="Dense7Pattern">
+        <color alpha="255">
+         <red>0</red>
+         <green>0</green>
+         <blue>0</blue>
+        </color>
+       </brush>
+      </property>
       <property name="viewMode">
        <enum>QMdiArea::TabbedView</enum>
       </property>
@@ -39,7 +48,7 @@
      <x>0</x>
      <y>0</y>
      <width>640</width>
-     <height>29</height>
+     <height>24</height>
     </rect>
    </property>
    <widget class="QMenu" name="menuFile">
@@ -53,7 +62,7 @@
    </widget>
    <widget class="QMenu" name="menuGo">
     <property name="title">
-     <string>Go</string>
+     <string>&amp;Go</string>
     </property>
     <addaction name="actionUp"/>
     <addaction name="actionBack"/>
@@ -93,34 +102,38 @@
   </action>
   <action name="actionUp">
    <property name="icon">
-    <iconset theme="go-up"/>
+    <iconset theme="go-up">
+     <normaloff>.</normaloff>.</iconset>
    </property>
    <property name="text">
-    <string>Up</string>
+    <string>&amp;Up</string>
    </property>
   </action>
   <action name="actionBack">
    <property name="icon">
-    <iconset theme="go-previous"/>
+    <iconset theme="go-previous">
+     <normaloff>.</normaloff>.</iconset>
    </property>
    <property name="text">
-    <string>Back</string>
+    <string>&amp;Back</string>
    </property>
   </action>
   <action name="actionForward">
    <property name="icon">
-    <iconset theme="go-next"/>
+    <iconset theme="go-next">
+     <normaloff>.</normaloff>.</iconset>
    </property>
    <property name="text">
-    <string>Forward</string>
+    <string>&amp;Forward</string>
    </property>
   </action>
   <action name="actionTop">
    <property name="icon">
-    <iconset theme="go-top"/>
+    <iconset theme="go-top">
+     <normaloff>.</normaloff>.</iconset>
    </property>
    <property name="text">
-    <string>Top</string>
+    <string>&amp;Top</string>
    </property>
   </action>
  </widget>
@@ -174,10 +187,78 @@
     </hint>
    </hints>
   </connection>
+  <connection>
+   <sender>actionUp</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>goUp()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>actionTop</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>goTop()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>actionBack</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>goBack()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>actionForward</sender>
+   <signal>triggered()</signal>
+   <receiver>MainWindow</receiver>
+   <slot>goForward()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>-1</x>
+     <y>-1</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
  </connections>
  <slots>
   <slot>fileOpen()</slot>
   <slot>selectCell(int,int)</slot>
   <slot>fileClose()</slot>
+  <slot>goUp()</slot>
+  <slot>goForward()</slot>
+  <slot>goBack()</slot>
+  <slot>goTop()</slot>
  </slots>
 </ui>

source/quam/pack.cc

@@ -24,21 +24,20 @@ static Arc::File readPackEntry(std::istream &st) {
 	auto entOffset = readLE<quint32>(st);
 	auto entSize   = readLE<quint32>(st);
 
+	if(entName.front() == '/') {
+		throw FileFormatError("empty root directory name");
+	}
+
 	auto pos = st.tellg();
 
 	st.seekg(entOffset);
 
-	Arc::File file{ntbsToString(entName)};
-
-	file.resize(entSize);
-	st.read(file.data(), entSize);
+	QByteArray data;
+	data.resize(entSize);
+	st.read(data.data(), entSize);
 	st.seekg(pos);
 
-	if(file.name.front() == '/') {
-		throw FileFormatError("empty root directory name");
-	}
-
-	return file;
+	return Arc::File{ntbsToString(entName), std::move(data)};
 }
 
 static void insertFile(Arc::Dir &dir, Arc::File &file, std::string name) {
@@ -55,12 +54,14 @@ static void insertFile(Arc::Dir &dir, Arc::File &file, std::string name) {
 		if(existing) {
 			ref = existing;
 		} else {
-			ref = &*dir.emplace_back(new Arc::Dir(name, &dir));
+			ref = new Arc::Dir(name);
+			dir.emplaceBack(ref);
 		}
 		insertFile(*ref->getDir(), file, *next);
 	} else if(!existing) {
-		file.name = name;
-		dir.emplace_back(new Arc::File(std::move(file)));
+		file.name   = name;
+		file.parent = &dir;
+		dir.emplaceBack(new Arc::File(std::move(file)));
 	} else {
 		throw FileFormatError("duplicate file");
 	}

source/quam/project.cc

@@ -1,24 +1,20 @@
 #include "quam/project.h"
 
-#include <QAbstractItemModel>
 #include <QErrorMessage>
-#include <QMdiArea>
 #include <QSortFilterProxyModel>
 
-Project::Project(std::istream &st, QErrorMessage *errors, QMdiArea *parent) :
-	QMdiSubWindow{parent},
+Project::Project(std::istream &st, QErrorMessage *errors, QWidget *parent) :
+	QWidget{parent},
 	Ui::Project{},
+	m_seekingDir{false},
+	m_histPos{0},
+	m_hist(),
 	m_arc{new Arc::Arc{st, this}},
-	m_root{&m_arc->root},
 	m_errors{errors},
 	m_model{new Arc::Model{this}},
 	m_sorter{new QSortFilterProxyModel{this}}
 {
-	auto widget = new QWidget{this};
-	setupUi(widget);
-	setWidget(widget);
-	setAttribute(Qt::WA_DeleteOnClose);
-	showMaximized();
+	setupUi(this);
 
 	connect(m_model, &Arc::Model::dirChanged,
 	        this,    &Project::dirChanged);
@@ -28,18 +24,80 @@ Project::Project(std::istream &st, QErrorMessage *errors, QMdiArea *parent) :
 	dirName->setValidator(m_arc->validator);
 	m_sorter->setSourceModel(m_model);
 	tableView->setModel(m_sorter);
-	m_model->setDir(m_root);
+	seekTop();
 }
 
 Project::~Project() {
 }
 
 void Project::dirChanged(Arc::Dir *from, Arc::Dir *to) {
+	if(!m_seekingDir) {
+		if(std::ptrdiff_t(m_histPos) < std::ptrdiff_t(m_hist.size()) - 1) {
+			auto beg = m_hist.begin();
+			std::advance(beg, m_histPos + 1);
+			m_hist.erase(beg, m_hist.end());
+		}
+
+		m_hist.push_back(to->getPath());
+		m_histPos = m_hist.size() - 1;
+	} else {
+		m_seekingDir = false;
+	}
+
+	tableView->sortByColumn(int(Arc::Column::Type), Qt::AscendingOrder);
 	tableView->resizeColumnsToContents();
 }
 
-bool Project::dirUp() {
-	return m_model->dirUp();
+void Project::seekTop() {
+	m_model->setDir(&m_arc->root);
+}
+
+bool Project::seekHistory(std::ptrdiff_t newPos) {
+	if(newPos < 0 || newPos >= m_hist.size()) {
+		return false;
+	}
+
+	m_histPos = newPos;
+
+	qDebug() << "hist pos changed:" << m_histPos;
+
+	auto newPath = m_hist.at(newPos);
+	if(auto node = m_model->findPath(newPath)) {
+		if(auto dir = node->getDir()) {
+			m_seekingDir = true;
+			m_model->setDir(dir);
+			return true;
+		} else {
+			m_errors->showMessage(QString::fromStdString("'"s + newPath + "' ") +
+			                      tr("is not a directory"));
+			return false;
+		}
+	} else {
+		m_errors->showMessage(tr("could not find directory") +
+		                      QString::fromStdString(" '"s + newPath + "'"));
+		return false;
+	}
+}
+
+bool Project::goBack() {
+	return seekHistory(std::ptrdiff_t(m_histPos) - 1);
+}
+
+bool Project::goForward() {
+	return seekHistory(std::ptrdiff_t(m_histPos) + 1);
+}
+
+bool Project::goTop() {
+	seekTop();
+	return true;
+}
+
+bool Project::goUp() {
+	return m_model->goUp();
+}
+
+bool Project::goPath(std::string path) {
+	return m_model->goPath(path);
 }
 
 // EOF

source/quam/project.h

@@ -5,33 +5,40 @@
 #include "quam/archive.h"
 #include "quam/ui_project.h"
 
-#include <QMainWindow>
-#include <QMdiSubWindow>
 #include <QWidget>
 
-class QAbstractItemModel;
 class QErrorMessage;
 class QSortFilterProxyModel;
 
-class Project : public QMdiSubWindow, private Ui::Project {
+class Project : public QWidget, private Ui::Project {
 	Q_OBJECT
 
 public:
-	explicit Project(std::istream &st, QErrorMessage *errors, QMdiArea *parent);
+	explicit Project(std::istream &st, QErrorMessage *errors, QWidget *parent);
 	virtual ~Project();
 
+	bool seekHistory(std::ptrdiff_t newPos);
+	void seekTop();
+
 public slots:
-	bool dirUp();
+	bool goBack();
+	bool goForward();
+	bool goTop();
+	bool goUp();
+
+	bool goPath(std::string path);
 
 private slots:
 	void dirChanged(Arc::Dir *from, Arc::Dir *to);
 
 private:
-	Arc::Arc              *m_arc;
-	Arc::Dir              *m_root;
-	QErrorMessage         *m_errors;
-	Arc::Model            *m_model;
-	QSortFilterProxyModel *m_sorter;
+	bool                     m_seekingDir;
+	std::size_t              m_histPos;
+	std::vector<std::string> m_hist;
+	Arc::Arc                *m_arc;
+	QErrorMessage           *m_errors;
+	Arc::Model              *m_model;
+	QSortFilterProxyModel   *m_sorter;
 };
 
 // EOF

source/quam/project.ui

@@ -13,16 +13,68 @@
   <property name="windowTitle">
    <string>Project View</string>
   </property>
-  <layout class="QHBoxLayout" name="horizontalLayout">
+  <layout class="QHBoxLayout" name="horizontalLayout_2">
    <item>
     <widget class="QSplitter" name="splitter">
      <property name="orientation">
       <enum>Qt::Horizontal</enum>
      </property>
      <widget class="QWidget" name="">
-      <layout class="QVBoxLayout" name="verticalLayout_3">
+      <layout class="QVBoxLayout" name="verticalLayout">
        <item>
-        <widget class="QLineEdit" name="dirName"/>
+        <layout class="QHBoxLayout" name="horizontalLayout">
+         <item>
+          <widget class="QPushButton" name="buttonBack">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="icon">
+            <iconset theme="go-previous"/>
+           </property>
+           <property name="flat">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="buttonForward">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="icon">
+            <iconset theme="go-next"/>
+           </property>
+           <property name="flat">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QPushButton" name="buttonUp">
+           <property name="sizePolicy">
+            <sizepolicy hsizetype="Minimum" vsizetype="Minimum">
+             <horstretch>0</horstretch>
+             <verstretch>0</verstretch>
+            </sizepolicy>
+           </property>
+           <property name="icon">
+            <iconset theme="go-up"/>
+           </property>
+           <property name="flat">
+            <bool>true</bool>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLineEdit" name="dirName"/>
+         </item>
+        </layout>
        </item>
        <item>
         <widget class="QTableView" name="tableView">
@@ -72,5 +124,60 @@
   </layout>
  </widget>
  <resources/>
- <connections/>
+ <connections>
+  <connection>
+   <sender>buttonBack</sender>
+   <signal>clicked()</signal>
+   <receiver>Project</receiver>
+   <slot>goBack()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>18</x>
+     <y>17</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonForward</sender>
+   <signal>clicked()</signal>
+   <receiver>Project</receiver>
+   <slot>goForward()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>47</x>
+     <y>17</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonUp</sender>
+   <signal>clicked()</signal>
+   <receiver>Project</receiver>
+   <slot>goUp()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>76</x>
+     <y>17</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>319</x>
+     <y>239</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+ <slots>
+  <slot>goUp()</slot>
+  <slot>goForward()</slot>
+  <slot>goBack()</slot>
+  <slot>goTop()</slot>
+ </slots>
 </ui>

source/quam/wad2.cc

@@ -49,14 +49,14 @@ static Arc::File readWad2Entry(std::istream &st) {
 
 	st.seekg(entOffset);
 
-	Arc::File file{ntbsToString(entName)};
+	QByteArray data;
 
-	file.resize(entSize);
-	st.read(file.data(), entSize);
+	data.resize(entSize);
+	st.read(data.data(), entSize);
 	st.seekg(pos);
 
+	Arc::File file{ntbsToString(entName), std::move(data)};
 	file.type = getFileType(entType);
-
 	return file;
 }
 
@@ -67,7 +67,7 @@ Arc::Dir readWad2(std::istream &st) {
 	Arc::Dir root{std::string{}};
 
 	for(quint32 i = 0; i < hdr.second; i++) {
-		root.emplace_back(new Arc::File(readWad2Entry(st)));
+		root.emplaceBack(new Arc::File(readWad2Entry(st)));
 	}
 
 	return root;