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/* like a model, but something that represents a part of the heap (eg.
* toggle/slider/text etc.)
*/
/*
Copyright (C) 1991-2003 The National Gallery
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#define TYPE_HEAPMODEL (heapmodel_get_type())
#define HEAPMODEL( obj ) \
(G_TYPE_CHECK_INSTANCE_CAST( (obj), TYPE_HEAPMODEL, Heapmodel ))
#define HEAPMODEL_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_CAST( (klass), TYPE_HEAPMODEL, HeapmodelClass))
#define IS_HEAPMODEL( obj ) \
(G_TYPE_CHECK_INSTANCE_TYPE( (obj), TYPE_HEAPMODEL ))
#define IS_HEAPMODEL_CLASS( klass ) \
(G_TYPE_CHECK_CLASS_TYPE( (klass), TYPE_HEAPMODEL ))
#define HEAPMODEL_GET_CLASS( obj ) \
(G_TYPE_INSTANCE_GET_CLASS( (obj), TYPE_HEAPMODEL, HeapmodelClass ))
struct _Heapmodel {
Model parent_class;
/* Context.
*/
Row *row; /* Enclosing row */
Rhs *rhs; /* Enclosing rhs */
/* Set if model has changes which have not yet been applied to the
* heap ... update_model() blocks, update_heap() clears.
*/
gboolean modified;
};
typedef struct _HeapmodelClass {
ModelClass parent_class;
/* Building heaps from models, building models from heaps.
new_heap the heap has changed ... recurse down adding,
updating (with a recursive new_heap()) and
removing children
update_model read the heap into the model ... eg. update
text representation
update_heap if the heapmodel has any unapplied user edits,
use them to update the heap ... update the
heap area pointed to by the last
update_model
clear_edited set back to default values
*/
void *(*new_heap)( Heapmodel *, PElement * );
void *(*update_model)( Heapmodel * );
void *(*update_heap)( Heapmodel * );
void *(*clear_edited)( Heapmodel * );
} HeapmodelClass;
void *heapmodel_new_heap( Heapmodel *heapmodel, PElement *root );
void *heapmodel_update_model( Heapmodel *heapmodel );
void *heapmodel_update_heap( Heapmodel *heapmodel );
void *heapmodel_clear_edited( Heapmodel *heapmodel );
GType heapmodel_get_type( void );
void heapmodel_set_modified( Heapmodel *heapmodel, gboolean modified );
gboolean heapmodel_name( Heapmodel *heapmodel, VipsBuf *buf );
gboolean heapmodel_value( Heapmodel *heapmodel, VipsBuf *buf );
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