diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2ceff78..686d1cc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,6 +7,7 @@ endif (${WIN32})
 find_package(Qt REQUIRED)
 set(LIB 1)
 set(ICU 1)
+set(CRYPT 1)
 set(LIBPROJECT 1)
 set(PIP_LIBRARY pip)
 set(PIP_FOLDERS "." "core" "containers" "thread" "system" "io" "console" "math" "code")
diff --git a/qglview/material_editor.cpp b/qglview/material_editor.cpp
index fa1aa51..47219a4 100644
--- a/qglview/material_editor.cpp
+++ b/qglview/material_editor.cpp
@@ -17,10 +17,12 @@
 */
 
 #include "material_editor.h"
+#include "ui_material_editor.h"
 
 
 MaterialEditor::MaterialEditor(QWidget * parent): QWidget(parent) {
-	setupUi(this);
+	ui = new Ui::MaterialEditor();
+	ui->setupUi(this);
 	active = true;
 }
 
@@ -30,7 +32,7 @@ void MaterialEditor::changeEvent(QEvent * e) {
 	QWidget::changeEvent(e);
 	switch (e->type()) {
 	case QEvent::LanguageChange:
-		retranslateUi(this);
+		ui->retranslateUi(this);
 		break;
 	default:
 		break;
@@ -40,153 +42,216 @@ void MaterialEditor::changeEvent(QEvent * e) {
 
 void MaterialEditor::setMaterial(const Material & m) {
 	active = false;
-	colorDiffuse->setColor(m.color_diffuse);
-	colorSpecular->setColor(m.color_specular);
-	colorSelfIllum->setColor(m.color_self_illumination);
-	checkGlass->setChecked(m.glass);
-	comboModel->setCurrentIndex((int)m.light_model);
-	spinShine->setValue(m.shine);
-	spinShineStrength->setValue(m.shine_strength);
-	spinTransparent->setValue(m.transparency);
-	spinReflect->setValue(m.reflectivity);
-	spinBump->setValue(m.bump_scale);
-	spinRelief->setValue(m.relief_scale);
-	spinIOF->setValue(m.iof);
-	spinDispersion->setValue(m.dispersion);
-	lineDiffuse->setProperty("GLpath", m.diffuse.bitmap_path); lineDiffuse->setText(QFileInfo(m.diffuse.bitmap_path).fileName());
-	lineBump->setProperty("GLpath", m.bump.bitmap_path); lineBump->setText(QFileInfo(m.bump.bitmap_path).fileName());
-	lineRelief->setProperty("GLpath", m.relief.bitmap_path); lineRelief->setText(QFileInfo(m.relief.bitmap_path).fileName());
-	lineReflFront->setProperty("GLpath", m.reflection.path(0)); lineReflFront->setText(QFileInfo(m.reflection.path(0)).fileName());
-	lineReflBack->setProperty("GLpath", m.reflection.path(1)); lineReflBack->setText(QFileInfo(m.reflection.path(1)).fileName());
-	lineReflLeft->setProperty("GLpath", m.reflection.path(2)); lineReflLeft->setText(QFileInfo(m.reflection.path(2)).fileName());
-	lineReflRight->setProperty("GLpath", m.reflection.path(3)); lineReflRight->setText(QFileInfo(m.reflection.path(3)).fileName());
-	lineReflTop->setProperty("GLpath", m.reflection.path(4)); lineReflTop->setText(QFileInfo(m.reflection.path(4)).fileName());
-	lineReflBottom->setProperty("GLpath", m.reflection.path(5)); lineReflBottom->setText(QFileInfo(m.reflection.path(5)).fileName());
+	ui->colorDiffuse->setColor(m.color_diffuse);
+	ui->colorSpecular->setColor(m.color_specular);
+	ui->colorSelfIllum->setColor(m.color_self_illumination);
+	ui->checkGlass->setChecked(m.glass);
+	ui->comboModel->setCurrentIndex((int)m.light_model);
+	ui->spinShine->setValue(m.shine);
+	ui->spinShineStrength->setValue(m.shine_strength);
+	ui->spinTransparent->setValue(m.transparency);
+	ui->spinReflect->setValue(m.reflectivity);
+	ui->spinBump->setValue(m.bump_scale);
+	ui->spinRelief->setValue(m.relief_scale);
+	ui->spinIOF->setValue(m.iof);
+	ui->spinDispersion->setValue(m.dispersion);
+	ui->lineDiffuse->setProperty("GLpath", m.diffuse.bitmap_path); ui->lineDiffuse->setText(QFileInfo(m.diffuse.bitmap_path).fileName());
+	ui->lineBump->setProperty("GLpath", m.bump.bitmap_path); ui->lineBump->setText(QFileInfo(m.bump.bitmap_path).fileName());
+	ui->lineRelief->setProperty("GLpath", m.relief.bitmap_path); ui->lineRelief->setText(QFileInfo(m.relief.bitmap_path).fileName());
+	ui->lineReflFront->setProperty("GLpath", m.reflection.path(0)); ui->lineReflFront->setText(QFileInfo(m.reflection.path(0)).fileName());
+	ui->lineReflBack->setProperty("GLpath", m.reflection.path(1)); ui->lineReflBack->setText(QFileInfo(m.reflection.path(1)).fileName());
+	ui->lineReflLeft->setProperty("GLpath", m.reflection.path(2)); ui->lineReflLeft->setText(QFileInfo(m.reflection.path(2)).fileName());
+	ui->lineReflRight->setProperty("GLpath", m.reflection.path(3)); ui->lineReflRight->setText(QFileInfo(m.reflection.path(3)).fileName());
+	ui->lineReflTop->setProperty("GLpath", m.reflection.path(4)); ui->lineReflTop->setText(QFileInfo(m.reflection.path(4)).fileName());
+	ui->lineReflBottom->setProperty("GLpath", m.reflection.path(5)); ui->lineReflBottom->setText(QFileInfo(m.reflection.path(5)).fileName());
 	active = true;
 }
 
 
 Material MaterialEditor::material() {
 	Material m;
-	m.color_diffuse = colorDiffuse->color();
-	m.color_specular = colorSpecular->color();
-	m.color_self_illumination = colorSelfIllum->color();
-	m.glass = checkGlass->isChecked();
-	m.light_model = (Material::LightModel)comboModel->currentIndex();
-	m.shine = spinShine->value();
-	m.shine_strength = spinShineStrength->value();
-	m.transparency = spinTransparent->value();
-	m.reflectivity = spinReflect->value();
-	m.bump_scale = spinBump->value();
-	m.relief_scale = spinRelief->value();
-	m.iof = spinIOF->value();
-	m.dispersion = spinDispersion->value();
-	m.diffuse.bitmap_path = lineDiffuse->property("GLpath").toString();
-	m.bump.bitmap_path = lineBump->property("GLpath").toString();
-	m.relief.bitmap_path = lineRelief->property("GLpath").toString();
-	m.reflection.setPath(0, lineReflFront->property("GLpath").toString());
-	m.reflection.setPath(1, lineReflBack->property("GLpath").toString());
-	m.reflection.setPath(2, lineReflLeft->property("GLpath").toString());
-	m.reflection.setPath(3, lineReflRight->property("GLpath").toString());
-	m.reflection.setPath(4, lineReflTop->property("GLpath").toString());
-	m.reflection.setPath(5, lineReflBottom->property("GLpath").toString());
+	m.color_diffuse = ui->colorDiffuse->color();
+	m.color_specular = ui->colorSpecular->color();
+	m.color_self_illumination = ui->colorSelfIllum->color();
+	m.glass = ui->checkGlass->isChecked();
+	m.light_model = (Material::LightModel)ui->comboModel->currentIndex();
+	m.shine = ui->spinShine->value();
+	m.shine_strength = ui->spinShineStrength->value();
+	m.transparency = ui->spinTransparent->value();
+	m.reflectivity = ui->spinReflect->value();
+	m.bump_scale = ui->spinBump->value();
+	m.relief_scale = ui->spinRelief->value();
+	m.iof = ui->spinIOF->value();
+	m.dispersion = ui->spinDispersion->value();
+	m.diffuse.bitmap_path = ui->lineDiffuse->property("GLpath").toString();
+	m.bump.bitmap_path = ui->lineBump->property("GLpath").toString();
+	m.relief.bitmap_path = ui->lineRelief->property("GLpath").toString();
+	m.reflection.setPath(0, ui->lineReflFront->property("GLpath").toString());
+	m.reflection.setPath(1, ui->lineReflBack->property("GLpath").toString());
+	m.reflection.setPath(2, ui->lineReflLeft->property("GLpath").toString());
+	m.reflection.setPath(3, ui->lineReflRight->property("GLpath").toString());
+	m.reflection.setPath(4, ui->lineReflTop->property("GLpath").toString());
+	m.reflection.setPath(5, ui->lineReflBottom->property("GLpath").toString());
 	return m;
 }
 
 
 void MaterialEditor::on_buttonDiffuseSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineDiffuse->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineDiffuse->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineDiffuse->setProperty("GLpath", str);
-	lineDiffuse->setText(QFileInfo(str).fileName());
+	ui->lineDiffuse->setProperty("GLpath", str);
+	ui->lineDiffuse->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonBumpSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineBump->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineBump->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineBump->setProperty("GLpath", str);
-	lineBump->setText(QFileInfo(str).fileName());
+	ui->lineBump->setProperty("GLpath", str);
+	ui->lineBump->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReliefSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineRelief->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineRelief->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineRelief->setProperty("GLpath", str);
-	lineRelief->setText(QFileInfo(str).fileName());
+	ui->lineRelief->setProperty("GLpath", str);
+	ui->lineRelief->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReflFrontSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineReflFront->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineReflFront->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineReflFront->setProperty("GLpath", str);
-	lineReflFront->setText(QFileInfo(str).fileName());
+	ui->lineReflFront->setProperty("GLpath", str);
+	ui->lineReflFront->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReflBackSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineReflBack->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineReflBack->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineReflBack->setProperty("GLpath", str);
-	lineReflBack->setText(QFileInfo(str).fileName());
+	ui->lineReflBack->setProperty("GLpath", str);
+	ui->lineReflBack->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReflLeftSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineReflLeft->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineReflLeft->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineReflLeft->setProperty("GLpath", str);
-	lineReflLeft->setText(QFileInfo(str).fileName());
+	ui->lineReflLeft->setProperty("GLpath", str);
+	ui->lineReflLeft->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReflRightSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineReflRight->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineReflRight->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineReflRight->setProperty("GLpath", str);
-	lineReflRight->setText(QFileInfo(str).fileName());
+	ui->lineReflRight->setProperty("GLpath", str);
+	ui->lineReflRight->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReflTopSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineReflTop->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineReflTop->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineReflTop->setProperty("GLpath", str);
-	lineReflTop->setText(QFileInfo(str).fileName());
+	ui->lineReflTop->setProperty("GLpath", str);
+	ui->lineReflTop->setText(QFileInfo(str).fileName());
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonReflBottomSelect_clicked() {
-	QString str = QFileDialog::getOpenFileName(this, "Select image", lineReflBottom->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
+	QString str = QFileDialog::getOpenFileName(this, "Select image", ui->lineReflBottom->property("GLpath").toString(), "Images(*.bmp *.jpg *.jpeg *.png *.tif *.tiff *.tga);;All files(*)");
 	if (str.isEmpty()) return;
-	lineReflBottom->setProperty("GLpath", str);
-	lineReflBottom->setText(QFileInfo(str).fileName());
+	ui->lineReflBottom->setProperty("GLpath", str);
+	ui->lineReflBottom->setText(QFileInfo(str).fileName());
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonDiffuseClear_clicked() {
+	ui->lineDiffuse->setText("");
+	ui->lineDiffuse->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonBumpClear_clicked() {
+	ui->lineBump->setText("");
+	ui->lineBump->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReliefClear_clicked() {
+	ui->lineRelief->setText("");
+	ui->lineRelief->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReflFrontClear_clicked() {
+	ui->lineReflFront->setText("");
+	ui->lineReflFront->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReflBackClear_clicked() {
+	ui->lineReflBack->setText("");
+	ui->lineReflBack->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReflLeftClear_clicked() {
+	ui->lineReflLeft->setText("");
+	ui->lineReflLeft->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReflRightClear_clicked() {
+	ui->lineReflRight->setText("");
+	ui->lineReflRight->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReflTopClear_clicked() {
+	ui->lineReflTop->setText("");
+	ui->lineReflTop->setProperty("GLpath", "");
+	materialChanged();
+}
+
+
+void MaterialEditor::on_buttonReflBottomClear_clicked() {
+	ui->lineReflBottom->setText("");
+	ui->lineReflBottom->setProperty("GLpath", "");
 	materialChanged();
 }
 
 
 void MaterialEditor::on_buttonLoadCubeDir_clicked() {
-	QString dir = QFileDialog::getExistingDirectory(this, "Select directory", lineReflFront->property("GLpath").toString());
+	QString dir = QFileDialog::getExistingDirectory(this, "Select directory", ui->lineReflFront->property("GLpath").toString());
 	if (dir.isEmpty()) return;
 	GLCubeTexture cb(0);
 	cb.loadPathesFromDirectory(dir);
 	active = false;
-	lineReflFront->setProperty("GLpath", cb.path(0)); lineReflFront->setText(QFileInfo(cb.path(0)).fileName());
-	lineReflBack->setProperty("GLpath", cb.path(1)); lineReflBack->setText(QFileInfo(cb.path(1)).fileName());
-	lineReflLeft->setProperty("GLpath", cb.path(2)); lineReflLeft->setText(QFileInfo(cb.path(2)).fileName());
-	lineReflRight->setProperty("GLpath", cb.path(3)); lineReflRight->setText(QFileInfo(cb.path(3)).fileName());
-	lineReflTop->setProperty("GLpath", cb.path(4)); lineReflTop->setText(QFileInfo(cb.path(4)).fileName());
-	lineReflBottom->setProperty("GLpath", cb.path(5)); lineReflBottom->setText(QFileInfo(cb.path(5)).fileName());
+	ui->lineReflFront->setProperty("GLpath", cb.path(0)); ui->lineReflFront->setText(QFileInfo(cb.path(0)).fileName());
+	ui->lineReflBack->setProperty("GLpath", cb.path(1)); ui->lineReflBack->setText(QFileInfo(cb.path(1)).fileName());
+	ui->lineReflLeft->setProperty("GLpath", cb.path(2)); ui->lineReflLeft->setText(QFileInfo(cb.path(2)).fileName());
+	ui->lineReflRight->setProperty("GLpath", cb.path(3)); ui->lineReflRight->setText(QFileInfo(cb.path(3)).fileName());
+	ui->lineReflTop->setProperty("GLpath", cb.path(4)); ui->lineReflTop->setText(QFileInfo(cb.path(4)).fileName());
+	ui->lineReflBottom->setProperty("GLpath", cb.path(5)); ui->lineReflBottom->setText(QFileInfo(cb.path(5)).fileName());
 	active = true;
 	materialChanged();
 }
diff --git a/qglview/material_editor.h b/qglview/material_editor.h
index 22e13fe..2be596a 100644
--- a/qglview/material_editor.h
+++ b/qglview/material_editor.h
@@ -21,9 +21,12 @@
 
 #include <QFileDialog>
 #include "gltypes.h"
-#include "ui_material_editor.h"
 
-class MaterialEditor: public QWidget, private Ui::MaterialEditor
+namespace Ui {
+	class MaterialEditor;
+};
+
+class MaterialEditor: public QWidget
 {
 	Q_OBJECT
 public:
@@ -36,27 +39,28 @@ protected:
 	void changeEvent(QEvent * e);
 
 	bool active;
+	Ui::MaterialEditor * ui;
 
 private slots:
 	void materialChanged() {if (active) emit changed();}
 	void on_buttonDiffuseSelect_clicked();
-	void on_buttonDiffuseClear_clicked() {lineDiffuse->setText(""); lineDiffuse->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonDiffuseClear_clicked();
 	void on_buttonBumpSelect_clicked();
-	void on_buttonBumpClear_clicked() {lineBump->setText(""); lineBump->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonBumpClear_clicked();
 	void on_buttonReliefSelect_clicked();
-	void on_buttonReliefClear_clicked() {lineRelief->setText(""); lineRelief->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReliefClear_clicked();
 	void on_buttonReflFrontSelect_clicked();
-	void on_buttonReflFrontClear_clicked() {lineReflFront->setText(""); lineReflFront->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReflFrontClear_clicked();
 	void on_buttonReflBackSelect_clicked();
-	void on_buttonReflBackClear_clicked() {lineReflBack->setText(""); lineReflBack->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReflBackClear_clicked();
 	void on_buttonReflLeftSelect_clicked();
-	void on_buttonReflLeftClear_clicked() {lineReflLeft->setText(""); lineReflLeft->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReflLeftClear_clicked();
 	void on_buttonReflRightSelect_clicked();
-	void on_buttonReflRightClear_clicked() {lineReflRight->setText(""); lineReflRight->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReflRightClear_clicked();
 	void on_buttonReflTopSelect_clicked();
-	void on_buttonReflTopClear_clicked() {lineReflTop->setText(""); lineReflTop->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReflTopClear_clicked();
 	void on_buttonReflBottomSelect_clicked();
-	void on_buttonReflBottomClear_clicked() {lineReflBottom->setText(""); lineReflBottom->setProperty("GLpath", ""); materialChanged();}
+	void on_buttonReflBottomClear_clicked();
 	void on_buttonLoadCubeDir_clicked();
 
 signals: