began work on exr proxy task

app/dialog/projectproperties/projectproperties.h

@@ -1,59 +1,102 @@
 /***
-
+  
   Olive - Non-Linear Video Editor
   Copyright (C) 2019 Olive 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 PROJECTPROPERTIESDIALOG_H
 #define PROJECTPROPERTIESDIALOG_H
 
+#include <QCheckBox>
 #include <QComboBox>
 #include <QDialog>
+#include <QGridLayout>
 #include <QLineEdit>
 
 #include "project/project.h"
 
 OLIVE_NAMESPACE_ENTER
 
+class PathWidget : public QObject
+{
+  Q_OBJECT
+public:
+  PathWidget(const QString& path,
+             QWidget* parent = nullptr);
+
+  bool PathIsValid(bool try_to_create) const;
+
+  QLineEdit* path_edit() const {
+    return path_edit_;
+  }
+
+  QCheckBox* default_box() const {
+    return default_box_;
+  }
+
+  QPushButton* browse_btn() const {
+    return browse_btn_;
+  }
+
+private slots:
+  void DefaultToggled(bool e);
+
+  void BrowseClicked();
+
+  void LineEditChanged();
+
+private:
+  QLineEdit* path_edit_;
+
+  QCheckBox* default_box_;
+
+  QPushButton* browse_btn_;
+
+};
+
 class ProjectPropertiesDialog : public QDialog
 {
   Q_OBJECT
 public:
   ProjectPropertiesDialog(Project *p, QWidget* parent);
-
+  
 public slots:
   virtual void accept() override;
-
+  
 private:
   Project* working_project_;
-
+  
   QLineEdit* ocio_filename_;
-
+  
   QComboBox* default_input_colorspace_;
-
+  
   bool ocio_config_is_valid_;
-
+  
   QString ocio_config_error_;
 
+  PathWidget* cache_path_;
+
+  PathWidget* proxy_path_;
+  
 private slots:
   void BrowseForOCIOConfig();
-
-  void FilenameUpdated();
-
+  
+  void OCIOFilenameUpdated();
+  
 };
 
 OLIVE_NAMESPACE_EXIT