1 files changed, 94 insertions, 0 deletions
diff --git a/liblogdiag/ld-diagram-view.h b/liblogdiag/ld-diagram-view.h
new file mode 100644
index 0000000..dacb594
--- /dev/null
+++ b/liblogdiag/ld-diagram-view.h
@@ -0,0 +1,94 @@
+/*
+ * ld-diagram-view.h
+ *
+ * This file is a part of logdiag.
+ * Copyright Přemysl Janouch 2010 - 2011. All rights reserved.
+ *
+ * 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 (*set_scroll_adjustments) (LdDiagramView *self,
+		GtkAdjustment *horizontal, GtkAdjustment *vertical);
+	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_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);
+
+void ld_diagram_view_add_object_begin (LdDiagramView *self,
+	LdDiagramObject *object);
+
+
+G_END_DECLS
+
+#endif /* ! __LD_DIAGRAM_VIEW_H__ */