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authorGreg Ercolano <erco@seriss.com>2010-02-26 17:49:19 +0000
committerGreg Ercolano <erco@seriss.com>2010-02-26 17:49:19 +0000
commit6168f6fd4bb274af63f1fb91df18f448846e1646 (patch)
tree34f5d2574a69e3b900e5f5a26596f614a1fbafa4 /documentation/src/subclassing.dox
parent0f87d7719b6510e2596703453da0bfb19d335be8 (diff)
doc mods to support fl_eventnames[].
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7157 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
Diffstat (limited to 'documentation/src/subclassing.dox')
-rw-r--r--documentation/src/subclassing.dox10
1 files changed, 10 insertions, 0 deletions
diff --git a/documentation/src/subclassing.dox b/documentation/src/subclassing.dox
index 57c004165..4d452ccc1 100644
--- a/documentation/src/subclassing.dox
+++ b/documentation/src/subclassing.dox
@@ -302,6 +302,16 @@ You must return non-zero if your \p handle() method
uses the event. If you return zero, the parent widget will try
sending the event to another widget.
+For debugging purposes, event numbers can be printed as their actual event names
+using the fl_eventnames[] array, e.g.:
+\code
+ #include <FL/names.h> // defines fl_eventnames[]
+ [..]
+ int MyClass::handle(int e) {
+ printf("Event was %s (%d)\n", fl_eventnames[e], e); // e.g. "Event was FL_PUSH (1)"
+ [..]
+\endcode
+
\section subclassing_drawing Drawing the Widget
The \p draw() virtual method is called when FLTK wants