1/*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions, and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32// DiagramBox.h (Cortex/DiagramView.h)
33//
34// * HISTORY
35//   c.lenz		25sep99		Begun
36//
37#ifndef DIAGRAM_BOX_H
38#define DIAGRAM_BOX_H
39
40#include "cortex_defs.h"
41#include "DiagramItem.h"
42#include "DiagramItemGroup.h"
43
44#include <Region.h>
45#include <Window.h>
46
47
48__BEGIN_CORTEX_NAMESPACE
49
50
51class DiagramBox : public DiagramItem, public DiagramItemGroup {
52	public:
53		DiagramBox(BRect frame, uint32 flags = 0);
54		virtual ~DiagramBox();
55
56		virtual void DrawBox() = 0;
57			// a hook functions that
58			// is called from Draw() to do the actual drawing
59
60		// derived from DiagramItemGroup
61
62		virtual bool AddItem(DiagramItem *item);
63		virtual bool RemoveItem(DiagramItem *item);
64
65		// derived from DiagramItem
66
67		// returns the Boxes frame rectangle
68		BRect Frame() const
69		{
70			return fFrame;
71		}
72
73		void Draw(BRect updateRect);
74
75		virtual void MouseDown(BPoint point, uint32 buttons, uint32 clicks);
76		virtual void MouseOver(BPoint point, uint32 transit);
77
78		virtual void MessageDragged(BPoint point, uint32 transit, const BMessage *message);
79		virtual void MessageDropped(BPoint point, BMessage *message);
80
81		void MoveBy(float x, float y, BRegion *updateRegion);
82		virtual void ResizeBy(float horizontal, float vertical);
83
84		enum flag_t {
85			M_DRAW_UNDER_ENDPOINTS = 0x1
86		};
87
88	private:
89		void _SetOwner(DiagramView *owner);
90
91	private:
92		BRect fFrame;
93			// the boxes' frame rectangle
94
95		// flags:
96		// 	M_DRAW_UNDER_ENDPOINTS -  don't remove EndPoint frames from
97		//							the clipping region
98		uint32 fFlags;
99};
100
101__END_CORTEX_NAMESPACE
102
103#endif	// DIAGRAM_BOX_H
104