--- a/src/cagou/kv/xmlui.kv	Thu Dec 29 23:47:10 2016 +0100
+++ b/src/cagou/kv/xmlui.kv	Thu Dec 29 23:47:13 2016 +0100
@@ -21,13 +21,16 @@
     size_hint: 1, None
     height: dp(common_height)
 
+
 <ButtonWidget>:
     size_hint: 1, None
     height: dp(button_height)
 
+
 <BoolWidget>:
     size_hint: 1, 1
 
+
 <DividerWidget>:
     size_hint: 1, None
     height: dp(20)
@@ -38,14 +41,17 @@
             points: 0, dp(10), self.width, dp(10)
             width: dp(3)
 
+
 <ListWidgetItem>:
     size_hint_y: None
     height: dp(button_height)
 
+
 <ListWidget>:
     size_hint: 1, None
     height: dp(button_height)
 
+
 <AdvancedListRow>:
     canvas.before:
         Color:
@@ -63,29 +69,59 @@
             pos: self.pos
             size: self.size
 
+
 <AdvancedListContainer>:
     cols: 1
     size_hint: 1, None
     height: self.minimum_height
 
+
 <VerticalContainer>:
     cols: 1
     size_hint: 1, None
     height: self.minimum_height
 
+
 <PairsContainer>:
     cols: 2
     size_hint: 1, None
     height: self.minimum_height
 
+
 <TabsContainer>:
     size_hint: 1, None
     height: 100
 
+
 <FormButton>:
     size_hint: 1, None
     height: dp(button_height)
 
+
+<FileDialog>:
+    orientation: "vertical"
+    message: message
+    file_chooser: file_chooser
+    Label:
+        id: message
+        size_hint: 1, None
+        text_size: root.width, None
+        size: self.texture_size
+    FileChooserListView:
+        id: file_chooser
+    Button:
+        size_hint: 1, None
+        height: dp(50)
+        text: "choose"
+        on_release: root.onSelect(file_chooser.selection)
+    Button:
+        size_hint: 1, None
+        height: dp(50)
+        text: "cancel"
+        on_release: root.onCancel()
+
+
+
 <XMLUIPanelGrid>:
     cols: 1
     size_hint: 1, None