/* * Copyright (c) 1987, 1988, 1989, 1990, 1991 Stanford University * Copyright (c) 1991 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Stanford and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Stanford and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL STANFORD OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ /* * Action - something to do */ #ifndef iv_action_h #define iv_action_h #include <InterViews/resource.h> #include <InterViews/_enter.h> class Action : public Resource { protected: Action(); virtual ~Action(); public: virtual void execute() = 0; }; /* * Macro - list of actions */ typedef long MacroIndex; class MacroActionList; class Macro : public Action { public: Macro(Action* = nil, Action* = nil, Action* = nil, Action* = nil); virtual ~Macro(); virtual void prepend(Action*); virtual void append(Action*); virtual void insert(MacroIndex, Action*); virtual void remove(MacroIndex); virtual MacroIndex count() const; virtual Action* action(MacroIndex) const; virtual void execute(); private: MacroActionList* list_; }; /* * Action denoted by an object and member function to call on the object. */ #if 1 || defined(__STDC__) || defined(__ANSI_CPP__) #define __ActionCallback(T) T##_ActionCallback #define ActionCallback(T) __ActionCallback(T) #define __ActionMemberFunction(T) T##_ActionMemberFunction #define ActionMemberFunction(T) __ActionMemberFunction(T) #else #define __ActionCallback(T) T/**/_ActionCallback #define ActionCallback(T) __ActionCallback(T) #define __ActionMemberFunction(T) T/**/_ActionMemberFunction #define ActionMemberFunction(T) __ActionMemberFunction(T) #endif #define declareActionCallback(T) \ typedef void (T::*ActionMemberFunction(T))(); \ class ActionCallback(T) : public Action { \ public: \ ActionCallback(T)(T*, ActionMemberFunction(T)); \ \ virtual void execute(); \ private: \ T* obj_; \ ActionMemberFunction(T) func_; \ }; #define implementActionCallback(T) \ ActionCallback(T)::ActionCallback(T)(T* obj, ActionMemberFunction(T) func) { \ obj_ = obj; \ func_ = func; \ } \ \ void ActionCallback(T)::execute() { (obj_->*func_)(); } #include <InterViews/_leave.h> #endif