// -*- C++ -*-
-#ifndef _LYXACTION_H_
-#define _LYXACTION_H_
+/**
+ * \file LyXAction.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
+ *
+ * Full author contact details are available in file CREDITS.
+ */
-#ifdef __GNUG__
-#pragma interface
-#endif
+#ifndef LYXACTION_H
+#define LYXACTION_H
-#include "commandtags.h"
+#include "lfuns.h"
-class LString;
+#include <boost/utility.hpp>
+
+#include <map>
+#include <string>
-/// Command name - action
-struct kb_func_table {
- ///
- char const *name;
- ///
- kb_action action;
-};
+namespace lyx {
-/** This class encapsulates LyX action and user command operations.
+class FuncRequest;
+
+/**
+ * This class is a container for LyX actions. It also
+ * stores and managers "pseudo-actions". Pseudo-actions
+ * are not part of the kb_action enum, but are created
+ * dynamically, for encapsulating a real action and an
+ * argument. They are used for things like the menus.
*/
-class LyXAction {
+class LyXAction : boost::noncopyable {
+private:
+ /// information for an action
+ struct func_info {
+ /// the action name
+ std::string name;
+ /// the func_attrib values set
+ unsigned int attrib;
+ };
+
public:
- ///
+ /// type for map between a function name and its action
+ typedef std::map<std::string, kb_action> func_map;
+ /// type for map between an action and its info
+ typedef std::map<kb_action, func_info> info_map;
+
+ /// possible "permissions" for an action
+ enum func_attrib {
+ Noop = 0, //< nothing special about this func
+ ReadOnly = 1, //< can be used in RO mode (perhaps this should change)
+ NoBuffer = 2, //< Can be used when there is no document open
+ Argument = 4, //< Requires argument
+ NoUpdate = 8, //< Does not (usually) require update
+ SingleParUpdate = 16 //< Usually only requires this par updated
+ };
+
LyXAction();
- ///
- ~LyXAction();
-
- /** Returns an action tag from a string. Returns kb_action.
- Include arguments in func_name ONLY if you
- want to create new pseudo actions. */
- int LookupFunc(char const *func_name);
-
- /** Returns an action tag which name is the most similar to a string.
- Don't include arguments, they would be ignored. */
- int getApproxFunc(char const *func);
-
- /** Returns an action name the most similar to a string.
- Don't include arguments, they would be ignored. */
- const char *getApproxFuncName(char const *func);
-
- /// Returns a pseudo-action given an action and its argument.
- int getPseudoAction(kb_action action, char const *arg);
-
- /// Retrieves the real action and its argument.
- int retrieveActionArg(int i, char const **arg);
-
- /// Search for an existent pseudoaction, return -1 if it doesn't exist.
- int searchActionArg(kb_action action, char const *arg);
-
- /// Check if a value is a pseudo-action.
- bool isPseudoAction(int);
-
- /// Not sure if this function should be here
- int bindKey(char const* seq, int action);
-
- /// Return the name associated with command
- char const *getActionName(int action) const;
-
- /// Return one line help text associated with command
- char const *helpText(kb_action action) const;
-
- /// True if the command is Read Only (not allowed for RO buffers)
- bool isFuncRO(kb_action action) const;
+
+ /**
+ * Returns an pseudoaction from a string
+ * If you include arguments in func_name, a new pseudoaction
+ * will be created if needed.
+ */
+ FuncRequest lookupFunc(std::string const & func_name) const;
+
+ /// Return the name (and argument) associated with the given (pseudo) action
+ std::string const getActionName(kb_action action) const;
+
+ /// True if the command has `flag' set
+ bool funcHasFlag(kb_action action, func_attrib flag) const;
+
+ /// iterator across all real actions
+ typedef func_map::const_iterator const_func_iterator;
+
+ /// return an iterator to the start of all real actions
+ const_func_iterator func_begin() const;
+
+ /// return an iterator to the end of all real actions
+ const_func_iterator func_end() const;
private:
-
- /// Standard commands
- static kb_func_table const * lyx_func_table;
- /// Number of commands
- int funcCount;
- /// Pseudoactions
- static kb_func_table *lyx_func_args;
- /// Pseudoaction index
- static int psd_idx;
- /// Last action index found
- int last_action_idx;
+ /// populate the action container with our actions
+ void init();
+ /// add the given action
+ void newFunc(kb_action, std::string const & name, unsigned int attrib);
+
+ /**
+ * This is a list of all the LyXFunc names with the
+ * coresponding action number. It is usually only used by the
+ * minibuffer or when assigning commands to keys during init.
+ */
+ func_map lyx_func_map;
+
+ /**
+ * This is a mapping from action number to an object holding
+ * info about this action. f.ex. command name (string),
+ * command attributes (ro)
+ */
+ info_map lyx_info_map;
};
-
-
-/* -------------------- Inlines ------------------ */
-
-
-inline
-bool LyXAction::isPseudoAction(int a)
-{
- return (a >= (int)LFUN_LASTACTION);
-}
-
-
-#endif
+
+/// singleton instance
+extern LyXAction lyxaction;
+
+
+} // namespace lyx
+
+#endif // LYXACTION_H
projects / lyx.git / blobdiff