GUI: Add simple log view.

Adding a simple log view which shows log messages the core code
emits.

gui/gui.pro

@@ -26,7 +26,8 @@ FORMS = main.ui \
     settings.ui \
     file.ui \
     projectfile.ui \
-    about.ui
+    about.ui \
+    logview.ui
 
 TRANSLATIONS =  cppcheck_fi.ts \
                 cppcheck_nl.ts \
@@ -60,7 +61,9 @@ HEADERS += mainwindow.h \
            txtreport.h \
            xmlreport.h \
            translationhandler.h \
-           csvreport.h
+           csvreport.h \
+           logview.h
+
 SOURCES += main.cpp \
            mainwindow.cpp\
            checkthread.cpp \
@@ -81,7 +84,8 @@ SOURCES += main.cpp \
            txtreport.cpp \
            xmlreport.cpp \
            translationhandler.cpp \
-           csvreport.cpp
+           csvreport.cpp \
+           logview.cpp
 
 win32 {
     RC_FILE = cppcheck-gui.rc

gui/logview.cpp

@@ -0,0 +1,30 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "logview.h"
+
+LogView::LogView(QWidget *parent)
+{
+    mUI.setupUi(this);
+    setWindowFlags(Qt::Tool);
+}
+
+void LogView::AppendLine(const QString &line)
+{
+    mUI.mLogEdit->appendPlainText(line);
+}

gui/logview.h

@@ -0,0 +1,51 @@
+/*
+ * Cppcheck - A tool for static C/C++ code analysis
+ * Copyright (C) 2007-2010 Daniel Marjamäki and Cppcheck team.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef LOGVIEW_H
+#define LOGVIEW_H
+
+#include <QWidget>
+#include "ui_logview.h"
+
+/// @addtogroup GUI
+/// @{
+
+/**
+* @brief A tool window that shows checking log.
+*
+*/
+class LogView : public QWidget
+{
+    Q_OBJECT
+public:
+    LogView(QWidget *parent = 0);
+
+    /**
+    * @brief Append new log file to view.
+    * @param line String to add.
+    *
+    */
+    void AppendLine(const QString &line);
+
+private:
+    Ui::LogView mUI;
+};
+
+/// @}
+
+#endif // LOGVIEW_H

gui/logview.ui

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>LogView</class>
+ <widget class="QWidget" name="LogView">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="contextMenuPolicy">
+   <enum>Qt::NoContextMenu</enum>
+  </property>
+  <property name="windowTitle">
+   <string>Checking Log</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QPlainTextEdit" name="mLogEdit">
+     <property name="undoRedoEnabled">
+      <bool>false</bool>
+     </property>
+     <property name="readOnly">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>

gui/main.ui

@@ -100,6 +100,7 @@
     <addaction name="mActionCollapseAll"/>
     <addaction name="mActionExpandAll"/>
     <addaction name="separator"/>
+    <addaction name="mActionViewLog"/>
    </widget>
    <widget class="QMenu" name="mMenuLanguage">
     <property name="title">
@@ -365,6 +366,14 @@
     <string>&amp;New Project File...</string>
    </property>
   </action>
+  <action name="mActionViewLog">
+   <property name="text">
+    <string>&amp;Log View</string>
+   </property>
+   <property name="toolTip">
+    <string>Log View</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>

gui/mainwindow.cpp

@@ -33,6 +33,7 @@
 #include "projectfile.h"
 #include "project.h"
 #include "report.h"
+#include "logview.h"
 #include "../lib/filelister.h"
 
 // HTMLHelp is only available in Windows
@@ -45,12 +46,14 @@ MainWindow::MainWindow() :
     mSettings(new QSettings("Cppcheck", "Cppcheck-GUI", this)),
     mApplications(new ApplicationList(this)),
     mTranslation(new TranslationHandler(this)),
-    mLanguages(new QActionGroup(this))
+    mLanguages(new QActionGroup(this)),
+    mLogView(NULL)
 {
     mUI.setupUi(this);
     mUI.mResults->Initialize(mSettings, mApplications);
 
     mThread = new ThreadHandler(this);
+    mLogView = new LogView(this);
 
     connect(mUI.mActionQuit, SIGNAL(triggered()), this, SLOT(close()));
     connect(mUI.mActionCheckFiles, SIGNAL(triggered()), this, SLOT(CheckFiles()));
@@ -65,6 +68,7 @@ MainWindow::MainWindow() :
     connect(mUI.mActionUncheckAll, SIGNAL(triggered()), this, SLOT(UncheckAll()));
     connect(mUI.mActionCollapseAll, SIGNAL(triggered()), mUI.mResults, SLOT(CollapseAllResults()));
     connect(mUI.mActionExpandAll, SIGNAL(triggered()), mUI.mResults, SLOT(ExpandAllResults()));
+    connect(mUI.mActionViewLog, SIGNAL(triggered()), this, SLOT(ShowLogView()));
 
     connect(mUI.mActionRecheck, SIGNAL(triggered()), this, SLOT(ReCheck()));
 
@@ -114,6 +118,7 @@ MainWindow::MainWindow() :
 
 MainWindow::~MainWindow()
 {
+    delete mLogView;
 }
 
 void MainWindow::CreateLanguageMenuItems()
@@ -731,3 +736,21 @@ void MainWindow::NewProjectFile()
         prj.Edit();
     }
 }
+
+void MainWindow::ShowLogView()
+{
+    if (mLogView == NULL)
+        mLogView = new LogView(this);
+
+    mLogView->show();
+    if (!mLogView->isActiveWindow())
+        mLogView->activateWindow();
+}
+
+void MainWindow::Log(const QString &logline)
+{
+    if (mLogView)
+    {
+        mLogView->AppendLine(logline);
+    }
+}

gui/mainwindow.h

@@ -32,6 +32,7 @@
 
 #include "ui_main.h"
 class ThreadHandler;
+class LogView;
 
 /// @addtogroup GUI
 /// @{
@@ -143,6 +144,12 @@ public slots:
     */
     void OpenProjectFile();
 
+    /**
+    * @brief Slot for showing the log view.
+    *
+    */
+    void ShowLogView();
+
 protected slots:
 
     /**
@@ -190,6 +197,12 @@ protected slots:
     */
     void OpenHelpContents();
 
+    /**
+    * @brief Add new line to log.
+    *
+    */
+    void Log(const QString &logline);
+
 protected:
 
     /**
@@ -325,6 +338,11 @@ protected:
     */
     QString mCurrentDirectory;
 
+    /**
+    * @brief Log view..
+    */
+    LogView *mLogView;
+
 };
 /// @}
 #endif // MAINWINDOW_H

gui/threadhandler.cpp

@@ -144,6 +144,8 @@ void ThreadHandler::Initialize(ResultsView *view)
     connect(&mResults, SIGNAL(Error(const ErrorItem &)),
             view, SLOT(Error(const ErrorItem &)));
 
+    connect(&mResults, SIGNAL(Log(const QString &)),
+            parent(), SLOT(Log(const QString &)));
 }
 
 void ThreadHandler::LoadSettings(QSettings &settings)

gui/threadresult.cpp

@@ -33,7 +33,7 @@ ThreadResult::~ThreadResult()
 
 void ThreadResult::reportOut(const std::string &outmsg)
 {
-    Q_UNUSED(outmsg);
+    emit Log(QString::fromStdString(outmsg));
 }
 
 void ThreadResult::FileChecked(const QString &file)

gui/threadresult.h

@@ -93,6 +93,13 @@ signals:
     */
     void Error(const ErrorItem &item);
 
+    /**
+    * @brief Signal of a new log message
+    *
+    * @param logline Log line
+    */
+    void Log(const QString &logline);
+
 protected:
 
     /**