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/* events.hh |
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* This file is part of ndk library |
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* Copyright (c) 2003,2004 by Stanislav Ievlev |
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* |
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* This file is covered by the GNU Library General Public License, |
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* which should be included with libndk as the file COPYING. |
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*/ |
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#pragma once |
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|
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#include "key.hh" |
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|
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namespace ndk |
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{ |
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struct panel; |
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} |
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|
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namespace ndk |
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{ |
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struct mouse |
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{ |
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MEVENT mev; |
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|
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int x () const { return mev.x; } |
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int y () const { return mev.y; } |
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bool button1 () const { return (mev.bstate & BUTTON1_CLICKED) == BUTTON1_CLICKED; } |
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bool button2 () const { return (mev.bstate & BUTTON2_CLICKED) == BUTTON2_CLICKED; } |
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bool button3 () const { return (mev.bstate & BUTTON3_CLICKED) == BUTTON3_CLICKED; } |
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|
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// check: was the mouse click over a given panel? |
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bool over (panel const &p) const; |
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}; |
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|
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struct keyboard /**< event from the keyboard */ |
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{ |
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explicit keyboard (key code, panel *sender = 0) |
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: sender_ (sender) |
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, code_ (code) |
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{ |
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} |
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|
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panel *sender () const { return sender_; } |
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key code () const { return code_; } |
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|
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private: |
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panel *sender_; |
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key const code_; /**< code of the button */ |
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}; |
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|
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struct engine; |
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|
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struct event /**< basic NDK internal event */ |
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{ |
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enum result |
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{ |
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ignored = false, /**< event ignored */ |
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accepted = true /**< event successfully proceed */ |
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}; |
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|
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event (int t, engine *sender = 0) |
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: sender_ (sender) |
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, type_ (t) |
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{ |
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} |
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|
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engine *sender_; /**< sender of the envent */ |
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int type_; /**< one of the possible types of the event */ |
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}; |
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|
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|
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template<typename Ret, typename Tp, typename ArgT> |
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struct slot_fn |
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{ |
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slot_fn (Ret (Tp::*f)(ArgT), Tp *obj) |
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: f_ (f) |
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, obj_ (obj) |
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{ |
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} |
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|
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Ret operator () (ArgT ev) { return (obj_->*f_)(ev); } |
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|
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Ret (Tp::*f_)(ArgT); |
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Tp *obj_; |
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}; |
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|
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template<typename Tp1, typename Tp2> |
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struct slot_fnb |
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{ |
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slot_fnb (void (Tp1::*f)(), Tp2 *obj) |
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: f_ (f) |
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, obj_ (obj) |
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{ |
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} |
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|
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void operator () () { (obj_->*f_)(); } |
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|
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void (Tp1::*f_)(); |
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Tp2 *obj_; |
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}; |
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|
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template<typename Tp1, typename Tp2, typename ArgT> |
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struct slot_fnb_1 |
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{ |
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slot_fnb_1 (void (Tp1::*f)(ArgT), Tp2 *obj, ArgT arg) |
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: f_ (f) |
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, obj_ (obj) |
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, arg_ (arg) |
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{ |
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} |
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|
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void operator () () { (obj_->*f_)(arg_); } |
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|
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void (Tp1::*f_)(ArgT); |
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Tp2 *obj_; |
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ArgT arg_; |
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}; |
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|
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template<typename Ret, typename Tp, typename ArgT> |
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slot_fn<Ret, Tp, ArgT> |
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slot (Ret (Tp::*f)(ArgT), Tp *obj) |
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{ |
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return slot_fn<Ret, Tp, ArgT> (f, obj); |
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} |
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|
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template<typename Tp1, typename Tp2> |
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slot_fnb<Tp1, Tp2> |
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slot (void (Tp1::*f)(), Tp2 *obj) |
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{ |
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return slot_fnb<Tp1, Tp2> (f, obj); |
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} |
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|
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template<typename Tp1, typename Tp2, typename ArgT> |
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slot_fnb_1<Tp1, Tp2, ArgT> |
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slot (void (Tp1::*f)(ArgT), Tp2 *obj, ArgT arg) |
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{ |
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return slot_fnb_1<Tp1, Tp2, ArgT> (f, obj, arg); |
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} |
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} |
