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-rw-r--r--FL/Fl_Widget.H11
1 files changed, 9 insertions, 2 deletions
diff --git a/FL/Fl_Widget.H b/FL/Fl_Widget.H
index 724e00e00..7c136dc4c 100644
--- a/FL/Fl_Widget.H
+++ b/FL/Fl_Widget.H
@@ -866,9 +866,16 @@ public:
*/
uchar damage() const {return damage_;}
- /** Clears the damage flags.
+ /** Clears or sets the damage flags.
Damage flags are cleared when parts of the widget drawing is repaired.
- \param[in] c bitmask of flags to clear
+
+ The optional argument \p c specifies the bits that <b>are set</b>
+ after the call (default: 0) and \b not the bits that are cleared!
+
+ \note Therefore it is possible to set damage bits with this method, but
+ this should be avoided. Use damage(uchar) instead.
+
+ \param[in] c new bitmask of damage flags (default: 0)
\see damage(uchar), damage()
*/
void clear_damage(uchar c = 0) {damage_ = c;}