implemented all field UIs

project/effectfields/fontfield.cpp

@@ -1,12 +1,34 @@
 #include "fontfield.h"
 
+#include <QComboBox>
+#include <QFontDatabase>
+
 FontField::FontField(EffectRow* parent, const QString &id) :
   EffectField(parent, id, EFFECT_FIELD_FONT)
 {
+  font_list = QFontDatabase().families();
 
+  SetValueAt(0, font_list.first());
 }
 
 QString FontField::GetFontAt(double timecode)
 {
   return GetValueAt(timecode).toString();
 }
+
+QWidget *FontField::CreateWidget()
+{
+  QComboBox* fcb = new QComboBox();
+
+  fcb->addItems(font_list);
+
+  connect(fcb, SIGNAL(currentTextChanged(const QString &)), this, SLOT(UpdateFromWidget(const QString &)));
+  connect(this, SIGNAL(EnabledChanged(bool)), fcb, SLOT(setEnabled(bool)));
+
+  return fcb;
+}
+
+void FontField::UpdateFromWidget(const QString& s)
+{
+  SetValueAt(Now(), s);
+}