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-rw-r--r--documentation/Fl.html7
-rw-r--r--documentation/enumerations.html5
-rw-r--r--documentation/events.html24
-rw-r--r--documentation/osissues.html2
-rw-r--r--documentation/subclassing.html19
5 files changed, 57 insertions, 0 deletions
diff --git a/documentation/Fl.html b/documentation/Fl.html
index 692181511..5129c11e4 100644
--- a/documentation/Fl.html
+++ b/documentation/Fl.html
@@ -49,6 +49,7 @@ state information and global methods for the current application.</P>
<LI><A HREF="#Fl.damage">damage</A></LI>
<LI><A HREF="#Fl.default_atclose">default_atclose</A></LI>
<LI><A HREF="#Fl.display">display</A></LI>
+ <LI><A HREF="#Fl.dnd">dnd</A></LI>
<LI><A HREF="#Fl.error">error</A></LI>
<LI><A HREF="#Fl.event">event</A></LI>
<LI><A HREF="#Fl.event_alt">event_alt</A></LI>
@@ -414,6 +415,12 @@ the environment variable $DISPLAY to the passed string, so this only
works before you show() the first window or otherwise open the display,
and does nothing useful under WIN32.
+<H4><A NAME="Fl.dnd">int dnd();</A></H4>
+
+<P>Initiate a Drag And Drop operation. The clipboard should be filled
+with relevant data before calling this method. FLTK will then initiate
+the system wide drag'n'drop handling. Dropped data will be marked as <i>text</i>.
+
<H4><A NAME="Fl.error">void (*error)(const char*, ...);</A></H4>
<P>FLTK calls this to print a normal error message. You can
diff --git a/documentation/enumerations.html b/documentation/enumerations.html
index 24b90f94e..9651a9e22 100644
--- a/documentation/enumerations.html
+++ b/documentation/enumerations.html
@@ -41,6 +41,11 @@ understand) occurred (0).</LI>
clipboard. </LI>
<LI><TT>FL_SELECTIONCLEAR</TT> - The widget should clear any selections
made for the clipboard. </LI>
+<LI><TT>FL_MOUSEWHEEL</TT> - The horizontal or vertical mousewheel was turned. </LI>
+<LI><TT>FL_DND_ENTER</TT> - The mouse pointer entered a widget dragging data. </LI>
+<LI><TT>FL_DND_DRAG</TT> - The mouse pointer was moved dragging data. </LI>
+<LI><TT>FL_DND_LEAVE</TT> - The mouse pointer left a widget still dragging data. </LI>
+<LI><TT>FL_DND_RELEASE</TT> - Dragged data is about to be dropped. </LI>
</UL>
<H2><a name=when>Callback &quot;When&quot; Conditions</A></H2>
The following constants determine when a callback is performed:
diff --git a/documentation/events.html b/documentation/events.html
index a742d69f4..c9921f818 100644
--- a/documentation/events.html
+++ b/documentation/events.html
@@ -217,6 +217,30 @@ widget. This indicates that some other widget or program has
claimed the selection. Motif programs used this to clear the
selection indication. Most modern programs ignore this.
+<H2><A NAME="dnd">Drag And Drop Events</A></H2>
+
+<H3>FL_DND_ENTER</H3>
+
+<P>The mouse has been moved to point at this widget. A widget
+that is interested in receiving drag'n'drop data must return 1
+to receive FL_DND_DRAG, FL_DND_LEAVE and FL_DND_RELEASE events.
+
+<H3>FL_DND_DRAG</H3>
+
+<P>The mouse has been moved inside a widget while dragging data.
+A widget that is interested in receiving drag'n'drop data should
+indicate the possible drop position.
+
+<H3>FL_DND_LEAVE</H3>
+
+<P>The mouse has moved out of the widget.
+
+<H3>FL_DND_RELEASE</H3>
+
+<P>The user has released the mouse button dropping data into
+the widget. If the widget returns 1, it will receive the data in
+the immediatly following FL_PASTE event.
+
<H2><A name="event_xxx">Fl::event_*() methods</A></H2>
<P>FLTK keeps the information about the most recent event in
diff --git a/documentation/osissues.html b/documentation/osissues.html
index 99af09039..8bb37368c 100644
--- a/documentation/osissues.html
+++ b/documentation/osissues.html
@@ -595,6 +595,8 @@ version of FLTK:
<LI>Line styles are not well supported. This is due to
limitations in the QuickDraw interface.</LI>
+ <LI>File descriptors are not yet supported.</LI>
+ <LI>Drag'n'drop is not yet supported.</LI>
</UL>
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-&gt;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