diff options
Diffstat (limited to 'documentation/subclassing.html')
| -rw-r--r-- | documentation/subclassing.html | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/documentation/subclassing.html b/documentation/subclassing.html index 5b1f69e0f..7e3cbf126 100644 --- a/documentation/subclassing.html +++ b/documentation/subclassing.html @@ -362,6 +362,7 @@ positions you might want to call <TT>child->draw_label(x,y,w,h,a)</TT>. should call this on all the children if your own damage is equal to FL_DAMAGE_CHILD. Nothing is done if the child is not <TT>visible()</TT> or if it is clipped. + <H2>Cut and Paste Support</H2> FLTK provides routines to cut and paste 8-bit text (in the future this may be UTF-8) between applications: @@ -372,6 +373,24 @@ may be UTF-8) between applications: </UL> It may be possible to cut/paste non-text data by using <A href=osissues.html#add_handler> <TT>Fl::add_handler()</TT></A>. + +<H2>Drag And Drop Support</H2> + +FLTK provides routines to drag and drop 8-bit text between applications: + +<P>Drag'n'drop operations are are initiated by copying data to the +clipboard and calling the function +<A href="Fl.html#Fl.dnd"><TT>Fl::dnd()</TT></A>. + +<P>Drop attempts are handled via <A href="events.html#dnd">events</A>: +<UL> +<LI><TT>FL_DND_ENTER</TT></LI> +<LI><TT>FL_DND_DRAG</TT></LI> +<LI><TT>FL_DND_LEAVE</TT></LI> +<LI><TT>FL_DND_RELEASE</TT></LI> +<LI><TT>FL_PASTE</TT></LI> +</UL> + <H2>Making a subclass of Fl_Window</H2> <P>You may want your widget to be a subclass of |