diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8a9d35c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.user
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..9e2d83c
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,11 @@
+#include "mainwindow.h"
+#include <QApplication>
+
+int main(int argc, char *argv[])
+{
+    QApplication a(argc, argv);
+    MainWindow w;
+    w.show();
+    
+    return a.exec();
+}
diff --git a/mainwindow.cpp b/mainwindow.cpp
new file mode 100644
index 0000000..faed78c
--- /dev/null
+++ b/mainwindow.cpp
@@ -0,0 +1,21 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent) :
+    QMainWindow(parent),
+    ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+    search = new Searcher(this);
+
+    connect( ui->mainline, SIGNAL(textChanged(QString)),
+             search,       SLOT(search_update(QString)));
+
+    connect( search, SIGNAL(search_status(QString)),
+             ui->statusBar, SLOT(showMessage(QString)));
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
diff --git a/mainwindow.h b/mainwindow.h
new file mode 100644
index 0000000..19ed5d9
--- /dev/null
+++ b/mainwindow.h
@@ -0,0 +1,27 @@
+#ifndef MAINWINDOW_H
+#define MAINWINDOW_H
+
+#include <QMainWindow>
+
+#include "searcher.h"
+
+
+
+namespace Ui {
+class MainWindow;
+}
+
+class MainWindow : public QMainWindow
+{
+    Q_OBJECT
+    
+public:
+    explicit MainWindow(QWidget *parent = 0);
+    ~MainWindow();
+    
+private:
+    Ui::MainWindow *ui;
+    Searcher* search;
+};
+
+#endif // MAINWINDOW_H
diff --git a/mainwindow.ui b/mainwindow.ui
new file mode 100644
index 0000000..dc659a9
--- /dev/null
+++ b/mainwindow.ui
@@ -0,0 +1,66 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>MainWindow</class>
+ <widget class="QMainWindow" name="MainWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>424</width>
+    <height>290</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>MainWindow</string>
+  </property>
+  <widget class="QWidget" name="centralWidget">
+   <layout class="QVBoxLayout" name="verticalLayout">
+    <item>
+     <layout class="QHBoxLayout" name="horizontalLayout">
+      <item>
+       <widget class="QLineEdit" name="mainline"/>
+      </item>
+      <item>
+       <widget class="QPushButton" name="pb_opt">
+        <property name="maximumSize">
+         <size>
+          <width>64</width>
+          <height>64</height>
+         </size>
+        </property>
+        <property name="text">
+         <string>opt</string>
+        </property>
+       </widget>
+      </item>
+     </layout>
+    </item>
+    <item>
+     <widget class="QListView" name="doclist"/>
+    </item>
+   </layout>
+  </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <property name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>424</width>
+     <height>25</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QToolBar" name="mainToolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+ </widget>
+ <layoutdefault spacing="6" margin="11"/>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/searcher.cpp b/searcher.cpp
new file mode 100644
index 0000000..bbe38e2
--- /dev/null
+++ b/searcher.cpp
@@ -0,0 +1,16 @@
+#include "searcher.h"
+
+Searcher::Searcher(QObject *parent) :
+    QObject(parent)
+{
+}
+
+void Searcher::search_clear()
+{
+    emit search_status("Search clear");
+}
+
+void Searcher::search_update(QString str)
+{
+    emit search_status("Searching: " + str);
+}
diff --git a/searcher.h b/searcher.h
new file mode 100644
index 0000000..871f7bb
--- /dev/null
+++ b/searcher.h
@@ -0,0 +1,20 @@
+#ifndef SEARCHER_H
+#define SEARCHER_H
+
+#include <QObject>
+
+class Searcher : public QObject
+{
+    Q_OBJECT
+public:
+    explicit Searcher(QObject *parent = 0);
+    
+signals:
+    void search_status(QString);
+
+public slots:
+    void search_clear();
+    void search_update(QString);
+};
+
+#endif // SEARCHER_H
diff --git a/test1.pro b/test1.pro
new file mode 100644
index 0000000..3baa9c1
--- /dev/null
+++ b/test1.pro
@@ -0,0 +1,22 @@
+#-------------------------------------------------
+#
+# Project created by QtCreator 2013-06-08T13:17:18
+#
+#-------------------------------------------------
+
+QT       += core gui
+
+greaterThan(QT_MAJOR_VERSION, 4): QT += widgets
+
+TARGET = test1
+TEMPLATE = app
+
+
+SOURCES += main.cpp\
+        mainwindow.cpp \
+    searcher.cpp
+
+HEADERS  += mainwindow.h \
+    searcher.h
+
+FORMS    += mainwindow.ui