lib/handle.h

   1 /* Dia -- an diagram creation/manipulation program
   2  * Copyright (C) 1998 Alexander Larsson
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18 #ifndef HANDLE_H
  19 #define HANDLE_H
  20
  21 #include "diatypes.h"
  22
  23 /* Is this needed? */
  24 typedef enum {
  25   HANDLE_RESIZE_NW,
  26   HANDLE_RESIZE_N,
  27   HANDLE_RESIZE_NE,
  28   HANDLE_RESIZE_W,
  29   HANDLE_RESIZE_E,
  30   HANDLE_RESIZE_SW,
  31   HANDLE_RESIZE_S,
  32   HANDLE_RESIZE_SE,
  33   HANDLE_MOVE_STARTPOINT,
  34   HANDLE_MOVE_ENDPOINT,
  35
  36   /* These handles can be used privately by objects: */
  37   HANDLE_CUSTOM1=200,
  38   HANDLE_CUSTOM2,
  39   HANDLE_CUSTOM3,
  40   HANDLE_CUSTOM4,
  41   HANDLE_CUSTOM5,
  42   HANDLE_CUSTOM6,
  43   HANDLE_CUSTOM7,
  44   HANDLE_CUSTOM8,
  45   HANDLE_CUSTOM9
  46 } HandleId;
  47
  48 typedef enum {
  49   HANDLE_NON_MOVABLE,
  50   HANDLE_MAJOR_CONTROL,
  51   HANDLE_MINOR_CONTROL,
  52
  53   NUM_HANDLE_TYPES /* Must be last */
  54 }  HandleType;
  55
  56 typedef enum {
  57   HANDLE_MOVE_USER,
  58   HANDLE_MOVE_USER_FINAL,
  59   HANDLE_MOVE_CONNECTED,
  60   HANDLE_MOVE_CREATE,       /* the initial drag during object placement */
  61   HANDLE_MOVE_CREATE_FINAL  /* finish of initial drag */
  62 } HandleMoveReason;
  63
  64 typedef enum {
  65   HANDLE_NONCONNECTABLE,
  66   HANDLE_CONNECTABLE,
  67   HANDLE_CONNECTABLE_NOBREAK /* Don't break connection on object move */
  68 } HandleConnectType;
  69
  70 #include "geometry.h"
  71 #include "object.h"
  72
  73 struct _Handle {
  74   HandleId id;
  75   HandleType type;
  76   Point pos;
  77
  78   HandleConnectType connect_type;
  79   ConnectionPoint *connected_to; /* NULL if not connected */
  80 };
  81
  82
  83 #endif /* HANDLE_H */