more documentation and exportthread restructure

dialogs/clippropertiesdialog.h

@@ -7,16 +7,44 @@
 #include "timeline/clip.h"
 #include "ui/labelslider.h"
 
+/**
+ * @brief The ClipPropertiesDialog class
+ *
+ * A dialog for setting Clip properties, accessible by right clicking a Clip and clicking "Properties".
+ */
 class ClipPropertiesDialog : public QDialog {
     Q_OBJECT
 public:
+  /**
+   * @brief ClipPropertiesDialog Constructor
+   * @param parent
+   *
+   * Parent widget.
+   *
+   * @param clips
+   *
+   * Array of Clip objects to set the properties of.
+   */
   ClipPropertiesDialog(QWidget* parent, QVector<Clip*> clips);
 protected:
+  /**
+   * @brief Accept override. Saves the current properties to the array of Clips.
+   */
   virtual void accept() override;
 private:
+  /**
+   * @brief Internal clip array (set in the constructor)
+   */
   QVector<Clip*> clips_;
 
+  /**
+   * @brief Widget for setting the Clip names
+   */
   QLineEdit* clip_name_field_;
+
+  /**
+   * @brief Widget for setting the Clip durations
+   */
   LabelSlider* duration_field_;
 };