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 51 class 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 Frame()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