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/*
* ld-diagram-view.h
*
* This file is a part of logdiag.
* Copyright 2010, 2011 Přemysl Eric Janouch
*
* See the file LICENSE for licensing information.
*
*/
#ifndef __LD_DIAGRAM_VIEW_H__
#define __LD_DIAGRAM_VIEW_H__
G_BEGIN_DECLS
#define LD_TYPE_DIAGRAM_VIEW (ld_diagram_view_get_type ())
#define LD_DIAGRAM_VIEW(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), LD_TYPE_DIAGRAM_VIEW, LdDiagramView))
#define LD_DIAGRAM_VIEW_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), \
LD_TYPE_DIAGRAM_VIEW, \
LdDiagramViewClass))
#define LD_IS_DIAGRAM_VIEW(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), LD_TYPE_DIAGRAM_VIEW))
#define LD_IS_DIAGRAM_VIEW_CLASS(klass) \
(G_TYPE_CHECK_INSTANCE_TYPE ((klass), LD_TYPE_DIAGRAM_VIEW))
#define LD_DIAGRAM_VIEW_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), LD_DIAGRAM_VIEW, LdDiagramViewClass))
typedef struct _LdDiagramView LdDiagramView;
typedef struct _LdDiagramViewPrivate LdDiagramViewPrivate;
typedef struct _LdDiagramViewClass LdDiagramViewClass;
/**
* LdDiagramView:
*/
struct _LdDiagramView
{
/*< private >*/
GtkDrawingArea parent_instance;
LdDiagramViewPrivate *priv;
};
struct _LdDiagramViewClass
{
/*< private >*/
GtkDrawingAreaClass parent_class;
guint cancel_operation_signal;
guint move_signal;
void (*cancel_operation) (LdDiagramView *self);
void (*move) (LdDiagramView *self, gdouble dx, gdouble dy);
};
/**
* LD_DIAGRAM_VIEW_BASE_UNIT_LENGTH:
*
* Length of the base unit in milimetres.
*/
#define LD_DIAGRAM_VIEW_BASE_UNIT_LENGTH 2.5
GType ld_diagram_view_get_type (void) G_GNUC_CONST;
GtkWidget *ld_diagram_view_new (void);
void ld_diagram_view_set_diagram (LdDiagramView *self, LdDiagram *diagram);
LdDiagram *ld_diagram_view_get_diagram (LdDiagramView *self);
void ld_diagram_view_set_library (LdDiagramView *self, LdLibrary *library);
LdLibrary *ld_diagram_view_get_library (LdDiagramView *self);
void ld_diagram_view_widget_to_diagram_coords (LdDiagramView *self,
gdouble wx, gdouble wy, gdouble *dx, gdouble *dy);
void ld_diagram_view_diagram_to_widget_coords (LdDiagramView *self,
gdouble dx, gdouble dy, gdouble *wx, gdouble *wy);
gdouble ld_diagram_view_get_x (LdDiagramView *self);
void ld_diagram_view_set_x (LdDiagramView *self, gdouble x);
gdouble ld_diagram_view_get_y (LdDiagramView *self);
void ld_diagram_view_set_y (LdDiagramView *self, gdouble y);
gdouble ld_diagram_view_get_zoom (LdDiagramView *self);
void ld_diagram_view_set_zoom (LdDiagramView *self, gdouble zoom);
gboolean ld_diagram_view_can_zoom_in (LdDiagramView *self);
void ld_diagram_view_zoom_in (LdDiagramView *self);
gboolean ld_diagram_view_can_zoom_out (LdDiagramView *self);
void ld_diagram_view_zoom_out (LdDiagramView *self);
gboolean ld_diagram_view_get_show_grid (LdDiagramView *self);
void ld_diagram_view_set_show_grid (LdDiagramView *self, gboolean show_grid);
void ld_diagram_view_add_object_begin (LdDiagramView *self,
LdDiagramObject *object);
G_END_DECLS
#endif /* ! __LD_DIAGRAM_VIEW_H__ */
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