juce_DragAndDropTarget.h

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00001 /*
00002   ==============================================================================
00003 
00004    This file is part of the JUCE library - "Jules' Utility Class Extensions"
00005    Copyright 2004-7 by Raw Material Software ltd.
00006 
00007   ------------------------------------------------------------------------------
00008 
00009    JUCE can be redistributed and/or modified under the terms of the
00010    GNU General Public License, as published by the Free Software Foundation;
00011    either version 2 of the License, or (at your option) any later version.
00012 
00013    JUCE is distributed in the hope that it will be useful,
00014    but WITHOUT ANY WARRANTY; without even the implied warranty of
00015    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00016    GNU General Public License for more details.
00017 
00018    You should have received a copy of the GNU General Public License
00019    along with JUCE; if not, visit www.gnu.org/licenses or write to the
00020    Free Software Foundation, Inc., 59 Temple Place, Suite 330,
00021    Boston, MA 02111-1307 USA
00022 
00023   ------------------------------------------------------------------------------
00024 
00025    If you'd like to release a closed-source product which uses JUCE, commercial
00026    licenses are also available: visit www.rawmaterialsoftware.com/juce for
00027    more information.
00028 
00029   ==============================================================================
00030 */
00031 
00032 #ifndef __JUCE_DRAGANDDROPTARGET_JUCEHEADER__
00033 #define __JUCE_DRAGANDDROPTARGET_JUCEHEADER__
00034 
00035 #include "../juce_Component.h"
00036 
00037 
00038 //==============================================================================
00052 class JUCE_API  DragAndDropTarget
00053 {
00054 public:
00056     virtual ~DragAndDropTarget()  {}
00057 
00066     virtual bool isInterestedInDragSource (const String& sourceDescription,
00067                                            Component* sourceComponent) = 0;
00068 
00083     virtual void itemDragEnter (const String& sourceDescription,
00084                                 Component* sourceComponent,
00085                                 int x,
00086                                 int y);
00087 
00099     virtual void itemDragMove (const String& sourceDescription,
00100                                Component* sourceComponent,
00101                                int x,
00102                                int y);
00103 
00116     virtual void itemDragExit (const String& sourceDescription,
00117                                Component* sourceComponent);
00118 
00132     virtual void itemDropped (const String& sourceDescription,
00133                               Component* sourceComponent,
00134                               int x,
00135                               int y) = 0;
00136 
00143     virtual bool shouldDrawDragImageWhenOver();
00144 };
00145 
00146 
00147 #endif   // __JUCE_DRAGANDDROPTARGET_JUCEHEADER__