Add basic Pseudocode tab (Fixes #142) (#184)

* Add basic Pseudocode tab (Fixes #142)
* Add missing include to fix Windows build
* PseudocodeWidget: Move refreshPseudocode to slots to silence warning

src/MainWindow.cpp

@@ -99,6 +99,7 @@ MainWindow::MainWindow(QWidget *parent) :
     relocsDock(nullptr),
     commentsDock(nullptr),
     stringsDock(nullptr),
+    pseudocodeDock(nullptr),
     flagsDock(nullptr),
     dashboardDock(nullptr),
     gotoEntry(nullptr),
@@ -191,6 +192,9 @@ void MainWindow::initUI()
     hexdumpDock = new HexdumpWidget(tr("Hexdump"), this);
     dockWidgets.push_back(hexdumpDock);
 
+    pseudocodeDock = new PseudocodeWidget(tr("Pseudocode"), this);
+    dockWidgets.push_back(pseudocodeDock);
+
     // Add graph view as dockable
     graphDock = new QDockWidget(tr("Graph"), this);
     graphDock->setObjectName("Graph");
@@ -659,6 +663,7 @@ void MainWindow::restoreDocks()
     tabifyDockWidget(dashboardDock, disassemblyDock);
     tabifyDockWidget(dashboardDock, graphDock);
     tabifyDockWidget(dashboardDock, hexdumpDock);
+    tabifyDockWidget(dashboardDock, pseudocodeDock);
     tabifyDockWidget(dashboardDock, entrypointDock);
     tabifyDockWidget(dashboardDock, flagsDock);
     tabifyDockWidget(dashboardDock, stringsDock);
@@ -695,6 +700,7 @@ void MainWindow::showDefaultDocks()
                                                 disassemblyDock,
                                                 sidebarDock,
                                                 hexdumpDock,
+                                                pseudocodeDock,
                                                 dashboardDock
                                               };
 

src/MainWindow.h

@@ -8,6 +8,7 @@
 #include "widgets/DisassemblerGraphView.h"
 #include "widgets/SidebarWidget.h"
 #include "widgets/HexdumpWidget.h"
+#include "widgets/PseudocodeWidget.h"
 #include "utils/Configuration.h"
 
 #include <QMainWindow>
@@ -169,6 +170,7 @@ private:
     DisassemblyWidget  *disassemblyDock;
     SidebarWidget    *sidebarDock;
     HexdumpWidget    *hexdumpDock;
+    PseudocodeWidget *pseudocodeDock;
     QDockWidget      *graphDock;
     DisassemblerGraphView *graphView;
     QDockWidget      *asmDock;

src/cutter.cpp

@@ -721,6 +721,11 @@ RVA CutterCore::getOffsetJump(RVA addr)
     return value;
 }
 
+QString CutterCore::getDecompiledCode(RVA addr)
+{
+    return cmd("pdc @ " + QString::number(addr));
+}
+
 QString CutterCore::getDecompiledCode(QString addr)
 {
     return cmd("pdc @ " + addr);

src/cutter.h

@@ -225,8 +225,8 @@ public:
     RVA prevOpAddr(RVA startAddr, int count);
     RVA nextOpAddr(RVA startAddr, int count);
 
-    // Disassembly/Graph/Hexdump view priority
+    // Disassembly/Graph/Hexdump/Pseudocode view priority
-    enum class MemoryWidgetType { Disassembly, Graph, Hexdump };
+    enum class MemoryWidgetType { Disassembly, Graph, Hexdump, Pseudocode };
     MemoryWidgetType getMemoryWidgetPriority() const            { return memoryWidgetPriority; }
     void setMemoryWidgetPriority(MemoryWidgetType type)         { memoryWidgetPriority = type; }
     void triggerRaisePrioritizedMemoryWidget()                  { emit raisePrioritizedMemoryWidget(memoryWidgetPriority); }
@@ -262,6 +262,7 @@ public:
     QList<QList<QString>> get_exec_sections();
     QString getOffsetInfo(QString addr);
     RVA getOffsetJump(RVA addr);
+    QString getDecompiledCode(RVA addr);
     QString getDecompiledCode(QString addr);
     QString getFileInfo();
     QStringList getStats();

src/cutter.pro

@@ -79,7 +79,8 @@ SOURCES += \
     utils/Colors.cpp \
     dialogs/SaveProjectDialog.cpp \
     utils/TempConfig.cpp \
-    utils/SvgIconEngine.cpp
+    utils/SvgIconEngine.cpp \
+    widgets/PseudocodeWidget.cpp
 
 HEADERS  += \
     cutter.h \
@@ -129,7 +130,8 @@ HEADERS  += \
     utils/Colors.h \
     dialogs/SaveProjectDialog.h \
     utils/TempConfig.h \
-    utils/SvgIconEngine.h
+    utils/SvgIconEngine.h \
+    widgets/PseudocodeWidget.h
 
 FORMS    += \
     dialogs/AboutDialog.ui \
@@ -159,7 +161,8 @@ FORMS    += \
     widgets/SymbolsWidget.ui \
     widgets/SidebarWidget.ui \
     widgets/HexdumpWidget.ui \
-    dialogs/SaveProjectDialog.ui
+    dialogs/SaveProjectDialog.ui \
+    widgets/PseudocodeWidget.ui
 
 RESOURCES += \
     resources.qrc

src/widgets/PseudocodeWidget.cpp

@@ -0,0 +1,103 @@
+#include "PseudocodeWidget.h"
+#include "ui_PseudocodeWidget.h"
+
+#include "utils/Configuration.h"
+#include "utils/Helpers.h"
+#include "utils/TempConfig.h"
+
+PseudocodeWidget::PseudocodeWidget(QWidget *parent, Qt::WindowFlags flags) :
+    QDockWidget(parent, flags),
+    ui(new Ui::PseudocodeWidget)
+{
+    ui->setupUi(this);
+
+    setupFonts();
+    colorsUpdatedSlot();
+
+    connect(Config(), SIGNAL(fontsUpdated()), this, SLOT(fontsUpdated()));
+    connect(Config(), SIGNAL(colorsUpdated()), this, SLOT(colorsUpdatedSlot()));
+
+    connect(Core(), SIGNAL(commentsChanged()), this, SLOT(refreshPseudocode()));
+    connect(Core(), SIGNAL(flagsChanged()), this, SLOT(refreshPseudocode()));
+    connect(Core(), SIGNAL(functionRenamed(QString, QString)), this, SLOT(refreshPseudocode()));
+    connect(Core(), SIGNAL(varsChanged()), this, SLOT(refreshPseudocode()));
+    connect(Core(), SIGNAL(asmOptionsChanged()), this, SLOT(refreshPseudocode()));
+    connect(Core(), &CutterCore::instructionChanged, this, [this](RVA offset) {
+            refreshPseudocode();
+    });
+
+
+
+
+    connect(Core(), SIGNAL(seekChanged(RVA)), this, SLOT(on_seekChanged(RVA)));
+    connect(Core(), SIGNAL(raisePrioritizedMemoryWidget(CutterCore::MemoryWidgetType)), this, SLOT(raisePrioritizedMemoryWidget(CutterCore::MemoryWidgetType)));
+    connect(this, &QDockWidget::visibilityChanged, this, [](bool visibility) {
+        if (visibility)
+        {
+            Core()->setMemoryWidgetPriority(CutterCore::MemoryWidgetType::Pseudocode);
+        }
+    });
+
+    // Get alerted when there's a refresh
+    connect(Core(), &CutterCore::refreshAll, this, [this]() {
+        refresh(Core()->getOffset());
+    });
+
+    refresh(Core()->getOffset());
+}
+
+PseudocodeWidget::PseudocodeWidget(const QString &title, QWidget *parent, Qt::WindowFlags flags)
+        : PseudocodeWidget(parent, flags)
+{
+    setWindowTitle(title);
+}
+
+PseudocodeWidget::~PseudocodeWidget() {}
+
+
+void PseudocodeWidget::on_seekChanged(RVA addr)
+{
+    refresh(addr);
+}
+
+void PseudocodeWidget::refresh(RVA addr)
+{
+    QString decompiledCode = Core()->getDecompiledCode(addr);
+    if (decompiledCode.length() == 0)
+    {
+        decompiledCode = tr("Cannot decompile at") + " " + RAddressString(addr) + " " + tr("(Not a function?)");
+    }
+    ui->pseudocodeTextBrowser->setText(decompiledCode);
+}
+
+void PseudocodeWidget::refreshPseudocode()
+{
+    refresh(Core()->getOffset());
+}
+
+void PseudocodeWidget::raisePrioritizedMemoryWidget(CutterCore::MemoryWidgetType type)
+{
+    if (type == CutterCore::MemoryWidgetType::Pseudocode)
+    {
+        raise();
+    }
+}
+
+void PseudocodeWidget::setupFonts()
+{
+    QFont font = Config()->getFont();
+    ui->pseudocodeTextBrowser->setFont(font);
+}
+
+void PseudocodeWidget::fontsUpdated()
+{
+    setupFonts();
+}
+
+void PseudocodeWidget::colorsUpdatedSlot()
+{
+    QString styleSheet = QString("QTextBrowser { background-color: %1; color: %2; }")
+            .arg(ConfigColor("gui.background").name())
+            .arg(ConfigColor("btext").name());
+    ui->pseudocodeTextBrowser->setStyleSheet(styleSheet);
+}

src/widgets/PseudocodeWidget.h

@@ -0,0 +1,40 @@
+#ifndef PSEUDOCODEWIDGET_H
+#define PSEUDOCODEWIDGET_H
+
+#include <QDockWidget>
+#include <memory>
+
+#include "ui_PseudocodeWidget.h"
+#include "cutter.h"
+
+namespace Ui
+{
+    class PseudocodeWidget;
+}
+
+class PseudocodeWidget : public QDockWidget
+{
+Q_OBJECT
+
+public:
+    explicit PseudocodeWidget(const QString &title, QWidget *parent = nullptr, Qt::WindowFlags flags = 0);
+    explicit PseudocodeWidget(QWidget *parent = nullptr, Qt::WindowFlags flags = 0);
+    ~PseudocodeWidget();
+
+private:
+    std::unique_ptr<Ui::PseudocodeWidget> ui;
+    void refresh(RVA addr);
+    void setupFonts();
+
+signals:
+
+public slots:
+private slots:
+    void on_seekChanged(RVA addr);
+    void raisePrioritizedMemoryWidget(CutterCore::MemoryWidgetType type);
+    void fontsUpdated();
+    void colorsUpdatedSlot();
+    void refreshPseudocode();
+};
+
+#endif // PSEUDOCODEWIDGET_H

src/widgets/PseudocodeWidget.ui

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>PseudocodeWidget</class>
+ <widget class="QDockWidget" name="PseudocodeWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>686</width>
+    <height>646</height>
+   </rect>
+  </property>
+  <property name="toolTipDuration">
+   <number>0</number>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <widget class="QTextBrowser" name="pseudocodeTextBrowser"/>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>