Added new graph view (WIP)

* This known unstable just a PoC

src/cutter.pro

@@ -18,7 +18,7 @@ QT += core gui widgets webengine webenginewidgets
 
 QT_CONFIG -= no-pkg-config
 
-CONFIG += c++11
+CONFIG += debug c++11
 
 # Define the preprocessor macro to get the application version in our application.
 DEFINES += APP_VERSION=\\\"$$VERSION\\\"
@@ -56,7 +56,6 @@ SOURCES += \
     widgets/commentswidget.cpp \
     widgets/stringswidget.cpp \
     widgets/flagswidget.cpp \
-    widgets/memorywidget.cpp \
     widgets/exportswidget.cpp \
     widgets/sdbdock.cpp \
     analthread.cpp \
@@ -71,7 +70,10 @@ SOURCES += \
     widgets/consolewidget.cpp \
     radarewebserver.cpp \
     widgets/entrypointwidget.cpp \
-    dialogs/flagdialog.cpp
+    dialogs/flagdialog.cpp \
+    widgets/DisassemblerGraphView.cpp \
+    widgets/MemoryWidget.cpp \
+    utils/RichTextPainter.cpp
 
 HEADERS  += \
     mainwindow.h \
@@ -94,7 +96,6 @@ HEADERS  += \
     widgets/commentswidget.h \
     widgets/stringswidget.h \
     widgets/flagswidget.h \
-    widgets/memorywidget.h \
     widgets/exportswidget.h \
     widgets/sdbdock.h \
     analthread.h \
@@ -112,7 +113,11 @@ HEADERS  += \
     settings.h \
     widgets/entrypointwidget.h \
     cutter.h \
-    dialogs/flagdialog.h
+    dialogs/flagdialog.h \
+    widgets/DisassemblerGraphView.h \
+    widgets/MemoryWidget.h \
+    utils/RichTextPainter.h \
+    utils/CachedFontMetrics.h
 FORMS    += \
     mainwindow.ui \
     newfiledialog.ui \
@@ -128,7 +133,6 @@ FORMS    += \
     widgets/commentswidget.ui \
     widgets/stringswidget.ui \
     widgets/flagswidget.ui \
-    widgets/memorywidget.ui \
     widgets/exportswidget.ui \
     widgets/sdbdock.ui \
     dialogs/commentsdialog.ui \
@@ -138,7 +142,8 @@ FORMS    += \
     widgets/sectionsdock.ui \
     widgets/consolewidget.ui \
     widgets/entrypointwidget.ui \
-    dialogs/flagdialog.ui
+    dialogs/flagdialog.ui \
+    widgets/MemoryWidget.ui
 
 RESOURCES += \
     resources.qrc

src/mainwindow.cpp

@@ -39,7 +39,7 @@
 #include "newfiledialog.h"
 #include "helpers.h"
 
-#include "widgets/memorywidget.h"
+#include "widgets/MemoryWidget.h"
 #include "widgets/functionswidget.h"
 #include "widgets/sectionswidget.h"
 #include "widgets/commentswidget.h"
@@ -60,6 +60,7 @@
 #include "settings.h"
 #include "optionsdialog.h"
 #include "widgets/entrypointwidget.h"
+#include "widgets/DisassemblerGraphView.h"
 
 // graphics
 #include <QGraphicsEllipseItem>
@@ -204,7 +205,7 @@ void MainWindow::initUI()
     /*
      * Dock Widgets
      */
-    dockWidgets.reserve(11);
+    dockWidgets.reserve(12);
 
     // Add Memory DockWidget
     this->memoryDock = new MemoryWidget(this);

src/optionsdialog.cpp

@@ -5,7 +5,7 @@
 #include "helpers.h"
 
 // TODO: remove us
-#include "widgets/memorywidget.h"
+#include "widgets/MemoryWidget.h"
 #include "widgets/notepad.h"
 #include "settings.h"
 

src/utils/CachedFontMetrics.h

@@ -0,0 +1,63 @@
+#ifndef CACHEDFONTMETRICS_H
+#define CACHEDFONTMETRICS_H
+
+#include <QObject>
+#include <QFont>
+#include <QFontMetrics>
+
+class CachedFontMetrics : public QObject
+{
+    Q_OBJECT
+public:
+    explicit CachedFontMetrics(QObject* parent, const QFont & font)
+        : QObject(parent),
+          mFontMetrics(font)
+    {
+        memset(mWidths, 0, sizeof(mWidths));
+        mHeight = mFontMetrics.height();
+    }
+
+    int width(const QChar & ch)
+    {
+        auto unicode = ch.unicode();
+        if(unicode >= 0xD800)
+        {
+            if(unicode >= 0xE000)
+                unicode -= 0xE000 - 0xD800;
+            else
+                // is lonely surrogate
+                return mFontMetrics.width(ch);
+        }
+        if(!mWidths[unicode])
+            return mWidths[unicode] = mFontMetrics.width(ch);
+        return mWidths[unicode];
+    }
+
+    int width(const QString & text)
+    {
+        int result = 0;
+        QChar temp;
+        for(const QChar & ch : text)
+        {
+            if(ch.isHighSurrogate())
+                temp = ch;
+            else if(ch.isLowSurrogate())
+                result += mFontMetrics.width(QString(temp) + ch);
+            else
+                result += width(ch);
+        }
+        return result;
+    }
+
+    int height()
+    {
+        return mHeight;
+    }
+
+private:
+    QFontMetrics mFontMetrics;
+    uchar mWidths[0x10000 - 0xE000 + 0xD800];
+    int mHeight;
+};
+
+#endif // CACHEDFONTMETRICS_H

src/utils/RichTextPainter.cpp

@@ -0,0 +1,103 @@
+/* x64dbg RichTextPainter */
+#include "RichTextPainter.h"
+#include "CachedFontMetrics.h"
+#include <QPainter>
+
+//TODO: fix performance (possibly use QTextLayout?)
+void RichTextPainter::paintRichText(QPainter* painter, int x, int y, int w, int h, int xinc, const List & richText, CachedFontMetrics* fontMetrics)
+{
+    QPen pen;
+    QPen highlightPen;
+    QBrush brush(Qt::cyan);
+    for(const CustomRichText_t & curRichText : richText)
+    {
+        int textWidth = fontMetrics->width(curRichText.text);
+        int backgroundWidth = textWidth;
+        if(backgroundWidth + xinc > w)
+            backgroundWidth = w - xinc;
+        if(backgroundWidth <= 0) //stop drawing when going outside the specified width
+            break;
+        switch(curRichText.flags)
+        {
+        case FlagNone: //defaults
+            break;
+        case FlagColor: //color only
+            pen.setColor(curRichText.textColor);
+            painter->setPen(pen);
+            break;
+        case FlagBackground: //background only
+            if(backgroundWidth > 0 && curRichText.textBackground.alpha())
+            {
+                brush.setColor(curRichText.textBackground);
+                painter->fillRect(QRect(x + xinc, y, backgroundWidth, h), brush);
+            }
+            break;
+        case FlagAll: //color+background
+            if(backgroundWidth > 0 && curRichText.textBackground.alpha())
+            {
+                brush.setColor(curRichText.textBackground);
+                painter->fillRect(QRect(x + xinc, y, backgroundWidth, h), brush);
+            }
+            pen.setColor(curRichText.textColor);
+            painter->setPen(pen);
+            break;
+        }
+        painter->drawText(QRect(x + xinc, y, w - xinc, h), Qt::TextBypassShaping, curRichText.text);
+        if(curRichText.highlight && curRichText.highlightColor.alpha())
+        {
+            highlightPen.setColor(curRichText.highlightColor);
+            highlightPen.setWidth(curRichText.highlightWidth);
+            painter->setPen(highlightPen);
+            int highlightOffsetX = curRichText.highlightConnectPrev ? -1 : 1;
+            painter->drawLine(x + xinc + highlightOffsetX, y + h - 1, x + xinc + backgroundWidth - 1, y + h - 1);
+        }
+        xinc += textWidth;
+    }
+}
+
+/**
+ * @brief RichTextPainter::htmlRichText Convert rich text in x64dbg to HTML, for use by other applications
+ * @param richText The rich text to be converted to HTML format
+ * @param textHtml The HTML source. Any previous content will be preserved and new content will be appended at the end.
+ * @param textPlain The plain text. Any previous content will be preserved and new content will be appended at the end.
+ */
+void RichTextPainter::htmlRichText(const List & richText, QString & textHtml, QString & textPlain)
+{
+    for(const CustomRichText_t & curRichText : richText)
+    {
+        if(curRichText.text == " ") //blank
+        {
+            textHtml += " ";
+            textPlain += " ";
+            continue;
+        }
+        switch(curRichText.flags)
+        {
+        case FlagNone: //defaults
+            textHtml += "<span>";
+            break;
+        case FlagColor: //color only
+            textHtml += QString("<span style=\"color:%1\">").arg(curRichText.textColor.name());
+            break;
+        case FlagBackground: //background only
+            if(curRichText.textBackground != Qt::transparent) // QColor::name() returns "#000000" for transparent color. That's not desired. Leave it blank.
+                textHtml += QString("<span style=\"background-color:%1\">").arg(curRichText.textBackground.name());
+            else
+                textHtml += QString("<span>");
+            break;
+        case FlagAll: //color+background
+            if(curRichText.textBackground != Qt::transparent) // QColor::name() returns "#000000" for transparent color. That's not desired. Leave it blank.
+                textHtml += QString("<span style=\"color:%1; background-color:%2\">").arg(curRichText.textColor.name(), curRichText.textBackground.name());
+            else
+                textHtml += QString("<span style=\"color:%1\">").arg(curRichText.textColor.name());
+            break;
+        }
+        if(curRichText.highlight) //Underline highlighted token
+            textHtml += "<u>";
+        textHtml += curRichText.text.toHtmlEscaped();
+        if(curRichText.highlight)
+            textHtml += "</u>";
+        textHtml += "</span>"; //Close the tag
+        textPlain += curRichText.text;
+    }
+}

src/utils/RichTextPainter.h

@@ -0,0 +1,43 @@
+/* x64dbg RichTextPainter */
+#ifndef RICHTEXTPAINTER_H
+#define RICHTEXTPAINTER_H
+
+#include <QString>
+#include <QColor>
+#include <vector>
+
+class CachedFontMetrics;
+class QPainter;
+
+class RichTextPainter
+{
+public:
+    //structures
+    enum CustomRichTextFlags
+    {
+        FlagNone,
+        FlagColor,
+        FlagBackground,
+        FlagAll
+    };
+
+    struct CustomRichText_t
+    {
+        QString text;
+        QColor textColor;
+        QColor textBackground;
+        CustomRichTextFlags flags;
+        bool highlight;
+        QColor highlightColor;
+        int highlightWidth = 2;
+        bool highlightConnectPrev = false;
+    };
+
+    typedef std::vector<CustomRichText_t> List;
+
+    //functions
+    static void paintRichText(QPainter* painter, int x, int y, int w, int h, int xinc, const List & richText, CachedFontMetrics* fontMetrics);
+    static void htmlRichText(const List & richText, QString & textHtml, QString & textPlain);
+};
+
+#endif // RICHTEXTPAINTER_H

src/widgets/DisassemblerGraphView.h

@@ -0,0 +1,363 @@
+/* x64dbg DisassemblerGraphView */
+#ifndef DISASSEMBLERGRAPHVIEW_H
+#define DISASSEMBLERGRAPHVIEW_H
+
+#include <QObject>
+#include <QWidget>
+#include <QAbstractScrollArea>
+#include <QPaintEvent>
+#include <QTimer>
+#include <QSize>
+#include <QResizeEvent>
+#include <tuple>
+#include <unordered_map>
+#include <unordered_set>
+#include <queue>
+#include <QMutex>
+#include <QMenu>
+#include <QJsonDocument>
+#include <QJsonArray>
+#include <QJsonObject>
+#include "cutter.h"
+#include "utils/RichTextPainter.h"
+#include "utils/CachedFontMetrics.h"
+
+#define duint ut64
+
+class MenuBuilder;
+class CachedFontMetrics;
+class GotoDialog;
+class XrefBrowseDialog;
+
+class DisassemblerGraphView : public QAbstractScrollArea
+{
+    Q_OBJECT
+public:
+    struct DisassemblerBlock;
+
+    struct Point
+    {
+        int row; //point[0]
+        int col; //point[1]
+        int index; //point[2]
+    };
+
+    struct DisassemblerEdge
+    {
+        QColor color;
+        DisassemblerBlock* dest;
+        std::vector<Point> points;
+        int start_index = 0;
+
+        QPolygonF polyline;
+        QPolygonF arrow;
+
+        void addPoint(int row, int col, int index = 0)
+        {
+            Point point = {row, col, 0};
+            this->points.push_back(point);
+            if(int(this->points.size()) > 1)
+                this->points[this->points.size() - 2].index = index;
+        }
+    };
+
+    struct Token
+    {
+        int start; //token[0]
+        int length; //token[1]
+        QString type; //token[2]
+        duint addr; //token[3]
+        QString name; //token[4]
+    };
+
+    struct HighlightToken
+    {
+        QString type; //highlight_token[0]
+        duint addr; //highlight_token[1]
+        QString name; //highlight_token[2]
+
+        bool equalsToken(const Token & token)
+        {
+            return this->type == token.type &&
+                   this->addr == token.addr &&
+                   this->name == token.name;
+        }
+
+        static HighlightToken* fromToken(const Token & token)
+        {
+            //TODO: memory leaks
+            auto result = new HighlightToken();
+            result->type = token.type;
+            result->addr = token.addr;
+            result->name = token.name;
+            return result;
+        }
+    };
+
+    struct Text
+    {
+        std::vector<RichTextPainter::List> lines;
+
+        Text() {}
+
+        Text(const QString & text, QColor color, QColor background)
+        {
+            RichTextPainter::List richText;
+            RichTextPainter::CustomRichText_t rt;
+            rt.highlight = false;
+            rt.text = text;
+            rt.textColor = color;
+            rt.textBackground = background;
+            rt.flags = rt.textBackground.alpha() ? RichTextPainter::FlagAll : RichTextPainter::FlagColor;
+            richText.push_back(rt);
+            lines.push_back(richText);
+        }
+
+        Text(const RichTextPainter::List & richText)
+        {
+            lines.push_back(richText);
+        }
+
+        QString ToQString() const
+        {
+            QString result;
+            for(auto & line : lines)
+            {
+                for(auto & t : line)
+                {
+                    result += t.text;
+                }
+            }
+            return std::move(result);
+        }
+    };
+
+    struct Instr
+    {
+        duint addr = 0;
+        Text text;
+        std::vector<unsigned char> opcode; //instruction bytes
+    };
+
+    struct Block
+    {
+        Text header_text;
+        std::vector<Instr> instrs;
+        std::vector<duint> exits;
+        duint entry = 0;
+        duint true_path = 0;
+        duint false_path = 0;
+        bool terminal = false;
+        bool indirectcall = false;
+    };
+
+    struct DisassemblerBlock
+    {
+        DisassemblerBlock() {}
+        explicit DisassemblerBlock(Block & block)
+            : block(block) {}
+
+        Block block;
+        std::vector<DisassemblerEdge> edges;
+        std::vector<duint> incoming;
+        std::vector<duint> new_exits;
+
+        qreal x = 0.0;
+        qreal y = 0.0;
+        int width = 0;
+        int height = 0;
+        int col = 0;
+        int col_count = 0;
+        int row = 0;
+        int row_count = 0;
+    };
+
+    struct Function
+    {
+        bool ready;
+        duint entry;
+        duint update_id;
+        std::vector<Block> blocks;
+    };
+
+    struct Analysis
+    {
+        duint entry = 0;
+        std::unordered_map<duint, Function> functions;
+        bool ready = false;
+        duint update_id = 0;
+        QString status = "Analyzing...";
+
+        bool find_instr(duint addr, duint & func, duint & instr)
+        {
+            //TODO implement
+            Q_UNUSED(addr);
+            Q_UNUSED(func);
+            Q_UNUSED(instr);
+            return false;
+        }
+
+        //dummy class
+    };
+
+    enum class LayoutType
+    {
+        Wide,
+        Medium,
+        Narrow,
+    };
+
+    DisassemblerGraphView(QWidget *parent, CutterCore *core);
+    ~DisassemblerGraphView();
+    void initFont();
+    void adjustSize(int width, int height);
+    void resizeEvent(QResizeEvent* event);
+    duint get_cursor_pos();
+    void set_cursor_pos(duint addr);
+    std::tuple<duint, duint> get_selection_range();
+    void set_selection_range(std::tuple<duint, duint> range);
+    void copy_address();
+    //void analysis_thread_proc();
+    //void closeRequest();
+    void paintNormal(QPainter & p, QRect & viewportRect, int xofs, int yofs);
+    void paintOverview(QPainter & p, QRect & viewportRect, int xofs, int yofs);
+    void paintEvent(QPaintEvent* event);
+    bool isMouseEventInBlock(QMouseEvent* event);
+    duint getInstrForMouseEvent(QMouseEvent* event);
+    bool getTokenForMouseEvent(QMouseEvent* event, Token & token);
+    bool find_instr(duint addr, Instr & instr);
+    void mousePressEvent(QMouseEvent* event);
+    void mouseMoveEvent(QMouseEvent* event);
+    void mouseReleaseEvent(QMouseEvent* event);
+    void mouseDoubleClickEvent(QMouseEvent* event);
+    void prepareGraphNode(DisassemblerBlock & block);
+    void adjustGraphLayout(DisassemblerBlock & block, int col, int row);
+    void computeGraphLayout(DisassemblerBlock & block);
+    void setupContextMenu();
+    void keyPressEvent(QKeyEvent* event);
+
+    template<typename T>
+    using Matrix = std::vector<std::vector<T>>;
+    using EdgesVector = Matrix<std::vector<bool>>;
+    bool isEdgeMarked(EdgesVector & edges, int row, int col, int index);
+    void markEdge(EdgesVector & edges, int row, int col, int index, bool used = true);
+    int findHorizEdgeIndex(EdgesVector & edges, int row, int min_col, int max_col);
+    int findVertEdgeIndex(EdgesVector & edges, int col, int min_row, int max_row);
+    DisassemblerEdge routeEdge(EdgesVector & horiz_edges, EdgesVector & vert_edges, Matrix<bool> & edge_valid, DisassemblerBlock & start, DisassemblerBlock & end, QColor color);
+    void renderFunction(Function & func);
+    void show_cur_instr(bool force = false);
+    bool navigate(duint addr);
+    void fontChanged();
+    void setGraphLayout(LayoutType layout);
+
+    //VaHistory mHistory;
+
+signals:
+    void displaySnowmanWidget();
+
+public slots:
+    void updateTimerEvent();
+    //void loadGraphSlot(BridgeCFGraphList* graph, duint addr);
+    void graphAtSlot(duint addr);
+    void updateGraphSlot();
+    void followDisassemblerSlot();
+    void colorsUpdatedSlot();
+    void fontsUpdatedSlot();
+    void shortcutsUpdatedSlot();
+    void toggleOverviewSlot();
+    void toggleSummarySlot();
+    //void selectionGetSlot(SELECTIONDATA* selection);
+    void tokenizerConfigUpdatedSlot();
+    void loadCurrentGraph();
+    //void disassembleAtSlot(dsint va, dsint cip);
+    void gotoExpressionSlot();
+    void gotoOriginSlot();
+    void gotoPreviousSlot();
+    void gotoNextSlot();
+    void toggleSyncOriginSlot();
+    void followActionSlot();
+    void refreshSlot();
+    void saveImageSlot();
+    void setCommentSlot();
+    void setLabelSlot();
+    void xrefSlot();
+    void decompileSlot();
+
+private:
+    CutterCore *mCore;
+    QString status;
+    Analysis analysis;
+    duint function;
+    QTimer* updateTimer;
+    int baseline;
+    qreal charWidth;
+    int charHeight;
+    int charOffset;
+    int width;
+    int height;
+    int renderWidth;
+    int renderHeight;
+    int renderXOfs;
+    int renderYOfs;
+    duint cur_instr;
+    int scroll_base_x;
+    int scroll_base_y;
+    duint update_id;
+    bool scroll_mode;
+    bool ready;
+    int* desired_pos;
+    std::unordered_map<duint, DisassemblerBlock> blocks;
+    HighlightToken* highlight_token;
+    std::vector<int> col_edge_x;
+    std::vector<int> row_edge_y;
+    CachedFontMetrics* mFontMetrics;
+    MenuBuilder* mMenuBuilder;
+    bool drawOverview;
+    bool onlySummary;
+    bool syncOrigin;
+    int overviewXOfs;
+    int overviewYOfs;
+    qreal overviewScale;
+    duint mCip;
+    bool forceCenter;
+    bool saveGraph;
+    bool mHistoryLock; //Don't add a history while going to previous/next
+    LayoutType layoutType;
+
+    QAction* mToggleOverview;
+    QAction* mToggleSummary;
+    QAction* mToggleSyncOrigin;
+
+    QColor disassemblyBackgroundColor;
+    QColor disassemblySelectionColor;
+    QColor disassemblyTracedColor;
+    QColor disassemblyTracedSelectionColor;
+    QColor jmpColor;
+    QColor brtrueColor;
+    QColor brfalseColor;
+    QColor retShadowColor;
+    QColor indirectcallShadowColor;
+    QColor backgroundColor;
+    QColor mAutoCommentColor;
+    QColor mAutoCommentBackgroundColor;
+    QColor mCommentColor;
+    QColor mCommentBackgroundColor;
+    QColor mLabelColor;
+    QColor mLabelBackgroundColor;
+    QColor graphNodeColor;
+    QColor mAddressColor;
+    QColor mAddressBackgroundColor;
+    QColor mCipColor;
+    QColor mBreakpointColor;
+    QColor mDisabledBreakpointColor;
+
+    //BridgeCFGraph currentGraph;
+    std::unordered_map<duint, duint> currentBlockMap;
+    //QBeaEngine disasm;
+    GotoDialog* mGoto;
+    XrefBrowseDialog* mXrefDlg;
+
+    void addReferenceAction(QMenu* menu, duint addr);
+};
+
+#endif // DISASSEMBLERGRAPHVIEW_H

src/widgets/MemoryWidget.cpp

@@ -1,5 +1,6 @@
-#include "memorywidget.h"
-#include "ui_memorywidget.h"
+#include "MemoryWidget.h"
+#include "ui_MemoryWidget.h"
+#include "DisassemblerGraphView.h"
 
 #include "mainwindow.h"
 #include "helpers.h"
@@ -159,6 +160,11 @@ MemoryWidget::MemoryWidget(MainWindow *main) :
     connect(new QShortcut(Qt::SHIFT + Qt::Key_X, ui->disasTextEdit_2),
             SIGNAL(activated()), this, SLOT(showXrefsDialog()));
 
+    // Create Graph View
+    ui->tabGraph->setLayout(new QGridLayout);
+    mGraphView = new DisassemblerGraphView(ui->tabGraph, main->core);
+    ui->tabGraph->layout()->addWidget(mGraphView);
+
     // Space to switch between disassembly and graph
     QShortcut *graph_shortcut = new QShortcut(QKeySequence(Qt::Key_Space), this->main);
     connect(graph_shortcut, SIGNAL(activated()), this, SLOT(cycleViews()));
@@ -1136,7 +1142,7 @@ void MemoryWidget::on_actionSettings_menu_1_triggered()
     bool ok = true;
 
     // QFont font = QFont("Monospace", 8);
-
+    // TODO Use global configuration
     QFont font = QFontDialog::getFont(&ok, ui->disasTextEdit_2->font(), this);
 
     if (ok)
@@ -1267,6 +1273,12 @@ void MemoryWidget::on_graphButton_2_clicked()
     ui->memSideTabWidget_2->setCurrentIndex(0);
 }
 
+void MemoryWidget::on_graphButton_clicked()
+{
+    ui->memTabWidget->setCurrentIndex(3);
+    ui->memSideTabWidget_2->setCurrentIndex(3);
+}
+
 void MemoryWidget::on_actionSend_to_Notepad_triggered()
 {
     QTextCursor cursor = ui->disasTextEdit_2->textCursor();

src/widgets/MemoryWidget.h

@@ -15,6 +15,7 @@
 #include "hexascii_highlighter.h"
 #include "hexhighlighter.h"
 #include "dashboard.h"
+#include "widgets/DisassemblerGraphView.h"
 
 class MainWindow;
 
@@ -46,6 +47,7 @@ public:
     QTabWidget       *memTabWidget;
     QWebEngineView         *graphWebView;
     QWebEngineView         *histoWebView;
+    DisassemblerGraphView *mGraphView;
 
     Highlighter        *highlighter;
     Highlighter        *highlighter_5;
@@ -139,6 +141,7 @@ private slots:
     void on_disButton_2_clicked();
     void on_hexButton_2_clicked();
     void on_graphButton_2_clicked();
+    void on_graphButton_clicked();
     void showDisasContextMenu(const QPoint &pt);
     void showHexdumpContextMenu(const QPoint &pt);
     void showHexASCIIContextMenu(const QPoint &pt);

src/widgets/MemoryWidget.ui

@@ -178,7 +178,7 @@ QToolTip {
 }</string>
          </property>
          <property name="text">
-          <string/>
+          <string>...</string>
          </property>
          <property name="icon">
           <iconset resource="../resources.qrc">
@@ -255,6 +255,63 @@ QToolTip {
          </attribute>
         </widget>
        </item>
+       <item>
+        <widget class="QToolButton" name="graphButton">
+         <property name="sizePolicy">
+          <sizepolicy hsizetype="Preferred" vsizetype="Fixed">
+           <horstretch>0</horstretch>
+           <verstretch>0</verstretch>
+          </sizepolicy>
+         </property>
+         <property name="toolTip">
+          <string>Graph</string>
+         </property>
+         <property name="styleSheet">
+          <string notr="true">QToolButton { /* all types of tool button */
+     border: 5px solid #333;
+     border-left: 10px solid #333;
+	 border-right: 10px solid #333;
+     border-radius: 0px;
+     background-color: #333;
+ }
+
+QToolButton:hover {
+     border: 5px solid #444;
+     border-radius: 0px;
+     background-color: #444;
+ }
+
+QToolButton:checked {
+     border: 5px solid #2180a9;
+     border-radius: 0px;
+     background-color: #2180a9;
+}
+
+QToolTip {
+	background-color: #444;
+	border: 3px solid #444;
+	color: rgb(232, 232, 232);
+}</string>
+         </property>
+         <property name="text">
+          <string>...</string>
+         </property>
+         <property name="icon">
+          <iconset resource="../resources.qrc">
+           <normaloff>:/img/icons/graph_light.svg</normaloff>
+           <normalon>:/img/icons/graph_white.svg</normalon>:/img/icons/graph_light.svg</iconset>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+         <property name="checked">
+          <bool>false</bool>
+         </property>
+         <attribute name="buttonGroup">
+          <string notr="true">buttonGroup</string>
+         </attribute>
+        </widget>
+       </item>
        <item>
         <spacer name="verticalSpacer_6">
          <property name="orientation">
@@ -456,7 +513,7 @@ border-top: 0px;
        <enum>QTabWidget::South</enum>
       </property>
       <property name="currentIndex">
-       <number>0</number>
+       <number>2</number>
       </property>
       <property name="documentMode">
        <bool>false</bool>
@@ -1249,6 +1306,12 @@ p, li { white-space: pre-wrap; }
         </item>
        </layout>
       </widget>
+      <widget class="QWidget" name="tabGraph">
+       <attribute name="title">
+        <string>Page</string>
+       </attribute>
+       <layout class="QHBoxLayout" name="horizontalLayout_19"/>
+      </widget>
      </widget>
     </item>
     <item>
@@ -3046,8 +3109,8 @@ QToolTip {
  </resources>
  <connections/>
  <buttongroups>
-  <buttongroup name="buttonGroup_3"/>
   <buttongroup name="buttonGroup_2"/>
+  <buttongroup name="buttonGroup_3"/>
   <buttongroup name="buttonGroup"/>
  </buttongroups>
 </ui>