src/FuncRequest.h

   1 // -*- C++ -*-
   2 /**
   3  * \file FuncRequest.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author André Pönitz
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #ifndef FUNCREQUEST_H
  13 #define FUNCREQUEST_H
  14
  15 #include "FuncCode.h"
  16
  17 #include "support/docstring.h"
  18
  19 #include "frontends/mouse_state.h"
  20
  21
  22 namespace lyx {
  23
  24 /**
  25  * This class encapsulates a LyX action and its argument
  26  * in order to pass it around easily.
  27  */
  28 class FuncRequest
  29 {
  30 public:
  31         /// Where the request came from
  32         enum Origin {
  33                 INTERNAL,
  34                 MENU, // A menu entry
  35                 TOOLBAR, // A toolbar icon
  36                 KEYBOARD, // a keyboard binding
  37                 COMMANDBUFFER
  38         };
  39
  40         /// just for putting these things in std::container
  41         explicit FuncRequest(Origin o = INTERNAL);
  42         /// actions without extra argument
  43         explicit FuncRequest(FuncCode act, Origin o = INTERNAL);
  44         /// actions without extra argument
  45         FuncRequest(FuncCode act, int x, int y, mouse_button::state button,
  46                     Origin o = INTERNAL);
  47         /// actions with extra argument
  48         FuncRequest(FuncCode act, docstring const & arg,
  49                     Origin o = INTERNAL);
  50         /// actions with extra argument. FIXME: remove this
  51         FuncRequest(FuncCode act, std::string const & arg,
  52                     Origin o = INTERNAL);
  53         /// for changing requests a bit
  54         FuncRequest(FuncRequest const & cmd, docstring const & arg,
  55                     Origin o = INTERNAL);
  56         /// for changing requests a bit. FIXME: remove this
  57         FuncRequest(FuncRequest const & cmd, std::string const & arg,
  58                     Origin o = INTERNAL);
  59
  60         /// access to button
  61         mouse_button::state button() const;
  62
  63         /// argument parsing, extract argument i as std::string
  64         std::string getArg(unsigned int i) const;
  65
  66         /// access the whole argument
  67         docstring const & argument() const { return argument_; }
  68
  69         ///
  70         static FuncRequest const unknown;
  71         ///
  72         static FuncRequest const noaction;
  73 public:  // should be private
  74         /// the action
  75         FuncCode action;
  76 private:
  77         /// the action's string argument
  78         docstring argument_;
  79 public:  // should be private
  80         /// who initiated the action
  81         Origin origin;
  82         /// the x coordinate of a mouse press
  83         int x;
  84         /// the y coordinate of a mouse press
  85         int y;
  86         /// some extra information (like button number)
  87         mouse_button::state button_;
  88 };
  89
  90
  91 bool operator==(FuncRequest const & lhs, FuncRequest const & rhs);
  92
  93 std::ostream & operator<<(std::ostream &, FuncRequest const &);
  94
  95
  96 } // namespace lyx
  97
  98 #endif // FUNCREQUEST_H