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[lyx.git] / src / insets / insetbase.h

diff --git a/src/insets/insetbase.h b/src/insets/insetbase.h
index c6dc34894ee7e0b175c478e42ec093160104a512..b2cd718a358ae97d8e53f29b4064c10b8ff03615 100644 (file)
--- a/src/insets/insetbase.h
+++ b/src/insets/insetbase.h
@@ -6,16 +6,23 @@
  *
  * \author none
  *
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
  */
 
 #ifndef INSETBASE_H
 #define INSETBASE_H
 
+#include "LString.h"
+
 #include <vector>
+#include <memory>
 
 class BufferView;
 class FuncRequest;
+class MetricsInfo;
+class Dimension;
+class PainterInfo;
+class LaTeXFeatures;
 
 /** Dispatch result codes
                DISPATCHED          = the inset catched the action
@@ -47,14 +54,23 @@ enum dispatch_result {
 /// Common base class to all insets
 class InsetBase {
 public:
+       ///
+       typedef int      difference_type;
+       /// short of anything else reasonable
+       typedef size_t   size_type;
        /// type for cell indices
-       typedef size_t                   idx_type;
+       typedef size_t  idx_type;
        /// type for cursor positions
-       typedef size_t                   pos_type;
+       typedef size_t  pos_type;
        /// type for row numbers
-       typedef size_t                   row_type;
+       typedef size_t  row_type;
        /// type for column numbers
-       typedef size_t                   col_type;
+       typedef size_t  col_type;
+
+       /// virtual base class destructor
+       virtual ~InsetBase() {}
+       /// replicate ourselves
+       virtual std::auto_ptr<InsetBase> clone() const = 0;
 
        // the real dispatcher
        virtual dispatch_result dispatch
@@ -62,14 +78,19 @@ public:
 
        /// small wrapper for the time being
        virtual dispatch_result localDispatch(FuncRequest const & cmd);
-
-       ///
-       virtual ~InsetBase() {}
+       /// compute the size of the object returned in dim
+       virtual void metrics(MetricsInfo & mi, Dimension & dim) const = 0;
+       /// draw inset and update (xo, yo)-cache
+       virtual void draw(PainterInfo & pi, int x, int y) const = 0;
 
        /// Methods to cache and retrieve a cached BufferView.
        virtual void cache(BufferView *) const {}
        ///
        virtual BufferView * view() const { return 0; }
+       /// request "external features"
+       virtual void validate(LaTeXFeatures &) const {}
+       /// fill in all labels in the inset
+       virtual void getLabelList(std::vector<string> &) const {}
 };
 
 #endif