diff --git a/bin/hpdf.pro b/bin/hpdf.pro
index 1c8c6b9..c2429fa 100644
--- a/bin/hpdf.pro
+++ b/bin/hpdf.pro
@@ -7,19 +7,16 @@ INCLUDEPATH   += /usr/include/poppler/qt5/
 LIBS          += -L/usr/lib -lpoppler-qt5
 
 HEADERS += \
-  ../src/file_widget.h \
   ../src/pdf_factory.h \
   ../src/pdf_page_widget.h \
   ../src/table_view.h \
-  ../src/file_frame_widget.h
-
+  ../src/pdf_file_widget.h
 SOURCES += \
   ../src/main.cpp \
-  ../src/file_widget.cpp \
   ../src/pdf_factory.cpp \
   ../src/pdf_page_widget.cpp \
   ../src/table_view.cpp \
-  ../src/file_frame_widget.cpp
+  ../src/pdf_file_widget.cpp
 
 RESOURCES += hpdf.qrc
 
diff --git a/src/file_frame_widget.cpp b/src/file_frame_widget.cpp
deleted file mode 100644
index ab5dc0b..0000000
--- a/src/file_frame_widget.cpp
+++ /dev/null
@@ -1,60 +0,0 @@
-#include <QDebug>
-#include <QSizePolicy>
-#include "file_frame_widget.h"
-
-#define COLLAPSE_BUTTON_WIDTH   60
-#define COLLAPSE_BUTTON_HEIGHT  40
-
-FileFrameWidget::FileFrameWidget(QWidget* parent) {
-  setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
-
-  topLayout   = new QGridLayout();
-
-  scrollArea  = new QScrollArea();
-  mainChild   = new FileWidget();
-
-  widgetName  = new QLabel();
-  widgetName->setText(tr("File 1"));
-  topLayout->addWidget(widgetName, 0, 1);
-
-  collapseButton = new QPushButton(tr("X"));
-  collapseButton->setMinimumSize(QSize(COLLAPSE_BUTTON_WIDTH, COLLAPSE_BUTTON_HEIGHT));
-  collapseButton->setMaximumSize(QSize(COLLAPSE_BUTTON_WIDTH, COLLAPSE_BUTTON_HEIGHT));
-  connect(collapseButton, SIGNAL(released()), this, SLOT(collapsedButtonClick()));
-  topLayout->addWidget(collapseButton, 0, 0);
-
-  topLayout->addWidget(scrollArea, 1, 0, 1, 5);
-  scrollArea->setWidget(mainChild);
-
-  setLayout(topLayout);
-
-  setCollapsed(false);
-  adjustSize();
-}
-
-QSize FileFrameWidget::sizeHint() const {
-  if(collapsed == true)
-    return QSize(mainChild->width(), collapseButton->height());
-  else
-    return QSize(mainChild->width(), collapseButton->height() + mainChild->height() + 50);
-}
-
-void FileFrameWidget::setCollapsed(bool state) {
-  if(state == true) {
-    collapsed = true;
-    scrollArea->hide();
-  } else {
-    collapsed = false;
-    scrollArea->show();
-  }
-
-  adjustSize();
-}
-
-void FileFrameWidget::collapsedButtonClick(void) {
-  if(collapsed == true)
-    setCollapsed(false);
-  else
-    setCollapsed(true);
-}
-
diff --git a/src/file_frame_widget.h b/src/file_frame_widget.h
deleted file mode 100644
index 71e0f66..0000000
--- a/src/file_frame_widget.h
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <QWidget>
-#include <QScrollArea>
-#include <QHBoxLayout>
-#include <QLabel>
-#include <QPushButton>
-#include <QGridLayout>
-
-#include "file_widget.h"
-
-class FileFrameWidget : public QWidget {
-  Q_OBJECT
-  Q_PROPERTY(bool collapsed READ isCollapsed WRITE setCollapsed)
-
-public:
-  FileFrameWidget(QWidget* parent = 0);
-  QSize sizeHint(void) const;
-  
-  bool isCollapsed() { return collapsed; }
-  void setCollapsed(bool collapsed);
-
-protected:
-  
-private slots:
-  void collapsedButtonClick(void);
-private:
-  QGridLayout* topLayout;
-
-  QLabel*       widgetName;
-  QPushButton*  collapseButton;
-  QScrollArea*  scrollArea;
-  FileWidget*   mainChild;
-
-  bool          collapsed;
-};
-
diff --git a/src/file_widget.cpp b/src/pdf_file_widget.cpp
similarity index 60%
rename from src/file_widget.cpp
rename to src/pdf_file_widget.cpp
index 1fcccc6..50d0349 100644
--- a/src/file_widget.cpp
+++ b/src/pdf_file_widget.cpp
@@ -1,3 +1,6 @@
+#include <QDebug>
+#include <QSizePolicy>
+
 #include <QPixmap>
 #include <QSize>
 #include <QDrag>
@@ -5,13 +8,15 @@
 #include <QMouseEvent>
 #include <QDropEvent>
 #include <QMimeData>
-#include <QDebug>
 
-#include "file_widget.h"
+#include "pdf_file_widget.h"
 #include "pdf_page_widget.h"
 
-#define CHILD_AREA_WIDTH  150
-#define CHILD_AREA_HEIGHT 150
+#define COLLAPSE_BUTTON_WIDTH   60
+#define COLLAPSE_BUTTON_HEIGHT  40
+
+#define CHILD_AREA_WIDTH        150
+#define CHILD_AREA_HEIGHT       150
 
 FileWidget::FileWidget(QWidget* parent) {
   setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
@@ -94,3 +99,56 @@ int FileWidget::findChildPositionInLayout(PDFPageWidget* child) {
   return getChildCount()-1;
 }
 
+PDFFileWidget::PDFFileWidget(QWidget* parent) {
+  setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+
+  topLayout   = new QGridLayout();
+
+  scrollArea  = new QScrollArea();
+  mainChild   = new FileWidget();
+
+  widgetName  = new QLabel();
+  widgetName->setText(tr("File 1"));
+  topLayout->addWidget(widgetName, 0, 1);
+  
+  collapseButton = new QPushButton(tr("X"));
+  collapseButton->setMinimumSize(QSize(COLLAPSE_BUTTON_WIDTH, COLLAPSE_BUTTON_HEIGHT));
+  collapseButton->setMaximumSize(QSize(COLLAPSE_BUTTON_WIDTH, COLLAPSE_BUTTON_HEIGHT));
+  connect(collapseButton, SIGNAL(released()), this, SLOT(collapsedButtonClick()));
+  topLayout->addWidget(collapseButton, 0, 0);
+
+  topLayout->addWidget(scrollArea, 1, 0, 1, 5);
+  scrollArea->setWidget(mainChild);
+
+  setLayout(topLayout);
+
+  setCollapsed(false);
+  adjustSize();
+}
+
+QSize PDFFileWidget::sizeHint() const {
+  if(collapsed == true)
+    return QSize(mainChild->width(), collapseButton->height());
+  else
+    return QSize(mainChild->width(), collapseButton->height() + mainChild->height() + 50);
+}
+
+void PDFFileWidget::setCollapsed(bool state) {
+  if(state == true) {
+    collapsed = true;
+    scrollArea->hide();
+  } else {
+    collapsed = false;
+    scrollArea->show();
+  }
+
+  adjustSize();
+}
+
+void PDFFileWidget::collapsedButtonClick(void) {
+  if(collapsed == true)
+    setCollapsed(false);
+  else
+    setCollapsed(true);
+}
+
diff --git a/src/file_widget.h b/src/pdf_file_widget.h
similarity index 51%
rename from src/file_widget.h
rename to src/pdf_file_widget.h
index 215ddbe..8ca2307 100644
--- a/src/file_widget.h
+++ b/src/pdf_file_widget.h
@@ -1,5 +1,9 @@
 #include <QWidget>
+#include <QScrollArea>
 #include <QHBoxLayout>
+#include <QLabel>
+#include <QPushButton>
+#include <QGridLayout>
 #include <QImage>
 #include <QString>
 #include <QPoint>
@@ -26,3 +30,31 @@ private:
   int  getChildCount() const;
 };
 
+class PDFFileWidget : public QWidget {
+  Q_OBJECT
+  Q_PROPERTY(bool collapsed READ isCollapsed WRITE setCollapsed)
+
+public:
+  PDFFileWidget(QWidget* parent = 0);
+  QSize sizeHint() const;
+
+  bool isCollapsed(void) { return collapsed; }
+  void setCollapsed(bool collapsed);
+
+protected:
+  
+
+private slots:
+  void collapsedButtonClick();
+
+private:
+  QGridLayout* topLayout;
+
+  QLabel*       widgetName;
+  QPushButton*  collapseButton;
+  QScrollArea*  scrollArea;
+  FileWidget*   mainChild;
+
+  bool          collapsed;
+};
+
diff --git a/src/table_view.cpp b/src/table_view.cpp
index 0905af9..e94a000 100644
--- a/src/table_view.cpp
+++ b/src/table_view.cpp
@@ -3,9 +3,9 @@
 #include <assert.h>
 #include "table_view.h"
 #include "pdf_page_widget.h"
-#include "file_frame_widget.h"
+#include "pdf_file_widget.h"
 
-FileFrameWidget*  test[10];
+PDFFileWidget*  test[10];
 
 TableView::TableView(QWidget* parent) : QWidget(parent) {
   outerLayout = new QVBoxLayout();
@@ -32,7 +32,7 @@ TableView::TableView(QWidget* parent) : QWidget(parent) {
   }*/
 
   for(i = 0; i < 10; i++) {
-    test[i] = new FileFrameWidget();
+    test[i] = new PDFFileWidget();
     /*test[i]->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Ignored);*/
 
     layout->addWidget(test[i]);