src/apps/cortex/DormantNodeView/DormantNodeView.h

   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 // DormantNodeView.h
  33 // c.lenz 22oct99
  34 //
  35 // RESPONSIBILITIES
  36 // - simple extension of BListView to support
  37 //       drag & drop
  38 //
  39 // HISTORY
  40 //   c.lenz             22oct99         Begun
  41 //   c.lenz     27oct99         Added ToolTip support
  42
  43 #ifndef __DormantNodeView_H__
  44 #define __DormantNodeView_H__
  45
  46 // Interface Kit
  47 #include <ListView.h>
  48
  49 #include "cortex_defs.h"
  50 __BEGIN_CORTEX_NAMESPACE
  51
  52 class DormantNodeView :
  53         public  BListView {
  54         typedef BListView _inherited;
  55
  56 public:                                 // *** messages
  57
  58         enum message_t {
  59                 // OUTBOUND:
  60                 // B_RAW_TYPE "which" dormant_node_info
  61                 M_INSTANTIATE_NODE                              = 'dNV0'
  62         };
  63
  64 public:                                 // *** ctor/dtor
  65
  66                                                 DormantNodeView(
  67                                                         BRect frame,
  68                                                         const char *name,
  69                                                         uint32 resizeMode);
  70
  71         virtual                         ~DormantNodeView();
  72
  73 public:                                 // *** BListView impl.
  74
  75         virtual void            AttachedToWindow();
  76
  77         virtual void            DetachedFromWindow();
  78
  79         virtual void            GetPreferredSize(
  80                                                         float* width,
  81                                                         float* height);
  82
  83         virtual void            MessageReceived(
  84                                                         BMessage *message);
  85
  86         virtual void            MouseDown(
  87                                                         BPoint point);
  88
  89         virtual void            MouseMoved(
  90                                                         BPoint point,
  91                                                         uint32 transit,
  92                                                         const BMessage *message);
  93
  94         virtual bool            InitiateDrag(
  95                                                         BPoint point,
  96                                                         int32 index,
  97                                                         bool wasSelected);
  98
  99 private:                                // *** internal operations
 100
 101         void                            _populateList();
 102
 103         void                            _freeList();
 104
 105         void                            _updateList(
 106                                                         int32 addOnID);
 107
 108 private:                                // *** data
 109
 110         BListItem                  *m_lastItemUnder;
 111 };
 112
 113 __END_CORTEX_NAMESPACE
 114 #endif /*__DormantNodeView_H__*/