Log redirection (#849)

* Log redirection

* invalid handle is INVALID_HANDLE_VALUE not NULL

* Use cstdio

* fix issue with Unicode file name

* update icons

* update error message

src/gui/Src/Gui/CPUMultiDump.cpp

@@ -23,7 +23,7 @@ CPUMultiDump::CPUMultiDump(CPUDisassembly* disas, int nbCpuDumpTabs, QWidget* pa
     mWatch = new WatchView(this);
 
     //mMaxCPUDumpTabs++;
-    this->addTabEx(mWatch, DIcon("geolocation-goto.png"), tr("Watch ") + QString::number(1), QString("Watch 1"));
+    this->addTabEx(mWatch, DIcon("animal-dog.png"), tr("Watch ") + QString::number(1), QString("Watch 1"));
     mWatch->loadColumnFromConfig("Watch1");
 
     connect(this, SIGNAL(currentChanged(int)), this, SLOT(updateCurrentTabSlot(int)));

src/gui/Src/Gui/LogView.cpp

@@ -1,8 +1,9 @@
 #include "LogView.h"
 #include "Configuration.h"
 #include "Bridge.h"
+#include "BrowseDialog.h"
 
-LogView::LogView(QWidget* parent) : QTextEdit(parent)
+LogView::LogView(QWidget* parent) : QTextEdit(parent), logRedirection(NULL)
 {
     updateStyle();
     this->setUndoRedoEnabled(false);
@@ -17,6 +18,13 @@ LogView::LogView(QWidget* parent) : QTextEdit(parent)
     setupContextMenu();
 }
 
+LogView::~LogView()
+{
+    if(logRedirection != NULL)
+        fclose(logRedirection);
+    logRedirection = NULL;
+}
+
 void LogView::updateStyle()
 {
     setFont(ConfigFont("Log"));
@@ -45,6 +53,9 @@ void LogView::setupContextMenu()
     actionToggleLogging->setShortcutContext(Qt::WidgetShortcut);
     connect(actionToggleLogging, SIGNAL(triggered()), this, SLOT(toggleLoggingSlot()));
     this->addAction(actionToggleLogging);
+    actionRedirectLog = new QAction(tr("&Redirect Log..."), this);
+    connect(actionRedirectLog, SIGNAL(triggered()), this, SLOT(redirectLogSlot()));
+    this->addAction(actionRedirectLog);
 
     refreshShortcutsSlot();
     connect(Config(), SIGNAL(shortcutsUpdated()), this, SLOT(refreshShortcutsSlot()));
@@ -68,12 +79,26 @@ void LogView::contextMenuEvent(QContextMenuEvent* event)
     else
         actionToggleLogging->setText(tr("Enable &Logging"));
     wMenu.addAction(actionToggleLogging);
+    wMenu.addAction(actionRedirectLog);
 
     wMenu.exec(event->globalPos());
 }
 
 void LogView::addMsgToLogSlot(QString msg)
 {
+    // fix Unix-style line endings.
+    msg.replace(QString("\r\n"), QString("\n"));
+    msg.replace(QChar('\n'), QString("\r\n"));
+    // redirect the log
+    if(logRedirection != NULL)
+    {
+        if(!fwrite(msg.data_ptr()->data(), msg.size() * 2, 1, logRedirection))
+        {
+            fclose(logRedirection);
+            logRedirection = NULL;
+            msg += tr("fwrite() failed (GetLastError()= %1 ). Log redirection stopped.\r\n").arg(GetLastError());
+        }
+    }
     if(!loggingEnabled)
         return;
     if(this->document()->characterCount() > 10000 * 100) //limit the log to ~100mb
@@ -87,6 +112,29 @@ void LogView::clearLogSlot()
     this->clear();
 }
 
+void LogView::redirectLogSlot()
+{
+    if(logRedirection != NULL)
+        fclose(logRedirection);
+    logRedirection = NULL;
+    BrowseDialog browse(this, tr("Redirect log to file"), tr("Enter the file to which you want to redirect log messages."), tr("Log files(*.txt);;All files(*.*)"), QCoreApplication::applicationDirPath(), true);
+    if(browse.exec() == QDialog::Accepted)
+    {
+        logRedirection = _wfopen(browse.path.toStdWString().c_str(), L"ab");
+        if(logRedirection == NULL)
+            addMsgToLogSlot(tr("_wfopen() failed. Log will not be redirected to %1.\n").arg(browse.path));
+        else
+        {
+            if(ftell(logRedirection) == 0)
+            {
+                unsigned short BOM = 0xfeff;
+                fwrite(&BOM, 2, 1, logRedirection);
+            }
+            addMsgToLogSlot(tr("Log will be redirected to %1.\n").arg(browse.path));
+        }
+    }
+}
+
 void LogView::setLoggingEnabled(bool enabled)
 {
     loggingEnabled = enabled;

src/gui/Src/Gui/LogView.h

@@ -2,12 +2,14 @@
 #define LOGVIEW_H
 
 #include <QTextEdit>
+#include <cstdio>
 
 class LogView : public QTextEdit
 {
     Q_OBJECT
 public:
     explicit LogView(QWidget* parent = 0);
+    ~LogView();
     void setupContextMenu();
     void contextMenuEvent(QContextMenuEvent* event);
 
@@ -15,6 +17,7 @@ public slots:
     void refreshShortcutsSlot();
     void updateStyle();
     void addMsgToLogSlot(QString msg);
+    void redirectLogSlot();
     void setLoggingEnabled(bool enabled);
     bool getLoggingEnabled();
 
@@ -29,6 +32,9 @@ private:
     QAction* actionClear;
     QAction* actionSave;
     QAction* actionToggleLogging;
+    QAction* actionRedirectLog;
+
+    FILE* logRedirection;
 };
 
 #endif // LOGVIEW_H

src/gui/Src/Gui/MainWindow.ui

@@ -894,7 +894,7 @@
   <action name="actionRtu">
    <property name="icon">
     <iconset resource="../../resource.qrc">
-     <normaloff>:/icons/images/recentfiles.png</normaloff>:/icons/images/recentfiles.png</iconset>
+     <normaloff>:/icons/images/runtouser.png</normaloff>:/icons/images/runtouser.png</iconset>
    </property>
    <property name="text">
     <string>Run to &amp;user code</string>

src/gui/resource.qrc

@@ -248,5 +248,6 @@
         <file>images/runtouser.png</file>
         <file>images/undo.png</file>
         <file>images/binary_save.png</file>
+        <file>images/animal-dog.png</file>
     </qresource>
 </RCC>