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1 files changed, 99 insertions, 0 deletions

diff --git a/generic/Field.h b/generic/Field.h
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+++ b/generic/Field.h
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+/*
+ * Field.h -- Header for field item parts.
+ *
+ * Authors		: Patrick Lecoanet.
+ * Creation date	:
+ *
+ * $Id$
+ */
+
+/*
+ *  Copyright (c) 2002 CENA, Patrick Lecoanet --
+ *
+ * This code is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this code; if not, write to the Free
+ * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+#ifndef _Field_h
+#define _Field_h
+
+#include "Attrs.h"
+#include "Types.h"
+#include "List.h"
+#include "Color.h"
+#include "Image.h"
+
+
+struct _ItemStruct;
+struct _WidgetInfo;
+
+
+/*
+ * Field array management record.
+ *
+ *   This structure should be used only for internal
+ * management by items with fields. The rest of the code
+ * should use the methods in FIELD.
+ *
+ */
+typedef struct _FieldSetStruct {
+  struct _WidgetInfo	*wi;
+  ZnLabelFormat		label_format;
+  unsigned int		num_fields;
+  struct _FieldStruct	*fields;
+  ZnDim			label_width;	/* Describe the label size. Access these */
+  ZnDim			label_height;	/* 2 only with GetLabelBBox. -1 means
+					 * not up to date. */
+  ZnPoint		label_pos;	/* Describe the label origin. */
+} FieldSetStruct, *FieldSet;
+
+
+
+extern struct _FIELD {
+  ZnAttrConfig	*attr_desc;
+
+  void (*InitFields)(FieldSet fs);
+  void (*CloneFields)(FieldSet fs);
+  void (*FreeFields)(FieldSet fs);
+  int (*ConfigureField)(FieldSet fs, unsigned int field,
+			int argc, Tcl_Obj *CONST argv[], int *flags);
+  int (*QueryField)(FieldSet fs, unsigned int field,
+		    int argc, Tcl_Obj *CONST argv[]);
+  void (*DrawFields)(FieldSet fs, struct _ItemStruct *item);
+  void (*RenderFields)(FieldSet fs, struct _ItemStruct *item);
+  int (*FieldsToArea)(FieldSet fs, ZnBBox *area);
+  ZnBool (*IsFieldSensitive)(FieldSet fs, int part);
+  double (*FieldsPick)(FieldSet fs, ZnPoint *p, int *part);
+  int (*FieldIndex)(FieldSet fs, int field,
+		    struct _ItemStruct *item, Tcl_Obj *index_spec, int *index);
+  void (*FieldInsertChars)(FieldSet fs, int field, int *index, char *chars);
+  void (*FieldDeleteChars)(FieldSet fs, int field,
+			   int *first, int *last);
+  void (*FieldCursor)(FieldSet fs, int field, int index);
+  int (*FieldSelection)(FieldSet fs, int field, int offset,
+			char *chars, int max_chars);
+  void (*LeaderToLabel)(FieldSet fs, ZnPoint *start, ZnPoint *end);
+  void (*GetLabelBBox)(FieldSet fs, ZnDim *w, ZnDim *h);
+  void (*GetFieldBBox)(FieldSet fs, unsigned int index,
+		       ZnBBox *field_bbox);
+  void (*SetFieldsAutoAlign)(FieldSet fs, int alignment);
+  void (*ClearFieldCache)(FieldSet fs, int field);
+  char *(*GetFieldStruct)(FieldSet fs, int field);
+  int (*NumFields)(FieldSet fs);
+} FIELD;
+
+
+#endif /* _Field_h */