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gnucash/lib/goffice/graph/gog-view.h

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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* gog-view.h : A sized render engine for an item.
*
* Copyright (C) 2003-2004 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#ifndef GOG_VIEW_H
#define GOG_VIEW_H
#include <goffice/graph/goffice-graph.h>
#include <glib-object.h>
G_BEGIN_DECLS
struct _GogView {
GObject base;
GogObject *model;
GogRenderer *renderer; /* not NULL */
GogView *parent; /* potentially NULL */
GSList *children;
GogViewAllocation allocation; /* in renderer units */
GogViewAllocation residual; /* left over after compass children are placed */
unsigned allocation_valid : 1; /* adjust our layout when child changes size */
unsigned child_allocations_valid : 1; /* some children need to adjust their layout */
unsigned being_updated : 1;
};
typedef struct {
GObjectClass base;
gboolean clip;
/* Virtuals */
void (*state_init) (GogView *);
void (*size_request) (GogView *, GogViewRequisition *r);
void (*size_allocate) (GogView *, GogViewAllocation const *a);
void (*render) (GogView *, GogViewAllocation const *bbox);
gboolean (*info_at_point) (GogView *, double x, double y,
GogObject const *cur_selection,
GogObject **obj, char **name);
} GogViewClass;
#define GOG_VIEW_TYPE (gog_view_get_type ())
#define GOG_VIEW(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GOG_VIEW_TYPE, GogView))
#define IS_GOG_VIEW(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GOG_VIEW_TYPE))
#define GOG_VIEW_CLASS(k) (G_TYPE_CHECK_CLASS_CAST ((k), GOG_VIEW_TYPE, GogViewClass))
#define IS_GOG_VIEW_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), GOG_VIEW_TYPE))
#define GOG_VIEW_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), GOG_VIEW_TYPE, GogViewClass))
GType gog_view_get_type (void);
GogObject *gog_view_get_model (GogView const *view);
void gog_view_render (GogView *v, GogViewAllocation const *bbox);
void gog_view_queue_redraw (GogView *v);
void gog_view_queue_resize (GogView *v);
void gog_view_size_request (GogView *v, GogViewRequisition *req);
void gog_view_size_allocate (GogView *v, GogViewAllocation const *a);
gboolean gog_view_update_sizes (GogView *v);
gboolean gog_view_info_at_point (GogView *container, double x, double y,
GogObject const *cur_selection,
GogObject **obj, char **name);
GogView *gog_view_find_child_view (GogView const *container,
GogObject const *target_model);
/* protected */
void gog_view_size_child_request (GogView *v,
GogViewRequisition const *avail,
GogViewRequisition *req);
G_END_DECLS
#endif /* GOG_VIEW_H */