tbx  0.7.6
draghandler.h
1 /*
2  * tbx RISC OS toolbox library
3  *
4  * Copyright (C) 2010 Alan Buckley All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included
14  * in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22  * THE SOFTWARE.
23  */
24 
25 
26 
27 #ifndef TBX_DRAGHANDLER_H_
28 #define TBX_DRAGHANDLER_H_
29 
30 namespace tbx
31 {
36  {
37  public:
41  virtual ~DragHandler() {}
42 
50  virtual void drag_finished(const BBox &final) = 0;
51 
55  virtual void drag_cancelled() {};
56  };
57 }
58 
59 #endif /* TBX_DRAGHANDLER_H_ */
tbx
A library for creating RISC OS toolbox applications.
Definition: abouttobeshownlistener.cc:35
tbx::DragHandler::drag_cancelled
virtual void drag_cancelled()
Call if drag was cancelled before if finished.
Definition: draghandler.h:55
tbx::DragHandler::~DragHandler
virtual ~DragHandler()
Destructor.
Definition: draghandler.h:41
tbx::BBox
Class to represent a two dimensional bounding box.
Definition: bbox.h:38
tbx::DragHandler
Class to report status of a drag started on a window.
Definition: draghandler.h:36
tbx::DragHandler::drag_finished
virtual void drag_finished(const BBox &final)=0
Called when drag has finished.