Add comments.

1 files changed, 7 insertions, 1 deletions

diff --git a/c/layout.h b/c/layout.h
index da29d25..3c616b7 100644
--- a/c/layout.h
+++ b/c/layout.h
@@ -7,6 +7,8 @@
 #include "pl.h"
 #include "win.h"
 
+/* Given main window's width and height, set appropriate positions and
+ * sizes for child windows. */
 void UpdateLayout(int w = 0, int h = 0);
 
 /* Dragger objects implement draggable portions of the client area,
@@ -22,9 +24,10 @@ protected:
 	bool IsDown();
 	bool IsDouble();
 	virtual bool InDragArea(int x, int y);
+	/* Perform drag, resizing relevant windows. */
 	virtual void Drag(int x, int y);
+	/* Called after drag, when mouse button is released. */
 	virtual void Done();
-
 	/* Reset dragger to automatic position. */
 	virtual void Reset();
 private:
@@ -44,6 +47,9 @@ private:
 	void Done() override;
 };
 
+/* Below follows the implementation of the non-virtual member
+ * functions of Dragger, on which derived objects rely. */
+
 inline bool Dragger::IsDouble()
 {
 	const long time = GetMessageTime();