afe1b90dd0
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6755 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
//
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// "$Id$"
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//
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// Drag & Drop code for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 1998-2009 by Bill Spitzak and others.
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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// USA.
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//
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// Please report all bugs and problems to "fltk-bugs@fltk.org
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// This file contains MacOS-specific code for fltk which is always linked
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// in. Search other files for "__APPLE__" or filenames ending in _mac.cxx
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// for other system-specific code.
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#include <config.h>
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#include <FL/Fl.H>
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#include <FL/x.H>
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#include <FL/Fl_Window.H>
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// warning: this function is only implemented in Quickdraw. The function
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// below may not work if FLTK is compiled with Quartz enabled
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extern EventRef fl_os_event;
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extern char *fl_selection_buffer;
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extern int fl_selection_length;
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/**
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* drag and drop whatever is in the cut-copy-paste buffer
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* - create a selection first using:
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* Fl::copy(const char *stuff, int len, 0)
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*/
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int Fl::dnd()
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{
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OSErr result;
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DragReference dragRef;
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result = NewDrag( &dragRef );
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if ( result != noErr ) return false;
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result = AddDragItemFlavor( dragRef, 1, 'utf8', fl_selection_buffer, fl_selection_length, 0 );
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if ( result != noErr ) { DisposeDrag( dragRef ); return false; }
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Point mp;
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GetMouse(&mp);
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LocalToGlobal( &mp );
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RgnHandle region = NewRgn();
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SetRectRgn( region, mp.h-10, mp.v-10, mp.h+10, mp.v+10 );
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RgnHandle r2 = NewRgn();
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SetRectRgn( r2, mp.h-8, mp.v-8, mp.h+8, mp.v+8 );
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DiffRgn( region, r2, region );
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DisposeRgn( r2 );
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EventRecord event;
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ConvertEventRefToEventRecord( fl_os_event, &event );
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result = TrackDrag( dragRef, &event, region );
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Fl_Widget *w = Fl::pushed();
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if ( w )
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{
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int old_event = Fl::e_number;
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w->handle(Fl::e_number = FL_RELEASE);
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Fl::e_number = old_event;
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Fl::pushed( 0 );
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}
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if ( result != noErr ) { DisposeRgn( region ); DisposeDrag( dragRef ); return false; }
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DisposeRgn( region );
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DisposeDrag( dragRef );
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return true;
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}
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//
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// End of "$Id$".
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//
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