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