0645f5483d
Move the nine #undef's common to all qt_*.cpp sources into qt_pre.h.
Make "hack.h" usage consistent; always enclose withing 'extern "C {'
and '}' even though only some of the sources care.
88 lines
1.6 KiB
C++
88 lines
1.6 KiB
C++
// Copyright (c) Warwick Allison, 1999.
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// Qt4 conversion copyright (c) Ray Chason, 2012-2014.
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// NetHack may be freely redistributed. See license for details.
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// qt_key.cpp -- a key buffer
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extern "C" {
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#include "hack.h"
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}
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#include "qt_pre.h"
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#include <QtGui/QtGui>
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#include "qt_post.h"
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#include "qt_key.h"
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namespace nethack_qt_ {
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NetHackQtKeyBuffer::NetHackQtKeyBuffer() :
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in(0), out(0)
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{
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}
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bool NetHackQtKeyBuffer::Empty() const { return in==out; }
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bool NetHackQtKeyBuffer::Full() const { return (in+1)%maxkey==out; }
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void NetHackQtKeyBuffer::Put(int k, int a, int kbstate)
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{
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if ( Full() ) return; // Safety
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nhUse(kbstate);
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key[in]=k;
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ascii[in]=a;
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in=(in+1)%maxkey;
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}
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void NetHackQtKeyBuffer::Put(char a)
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{
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Put(0,a,0);
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}
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void NetHackQtKeyBuffer::Put(const char* str)
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{
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while (*str) Put(*str++);
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}
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int NetHackQtKeyBuffer::GetKey()
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{
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if ( Empty() ) return 0;
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int r=TopKey();
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out=(out+1)%maxkey;
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return r;
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}
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int NetHackQtKeyBuffer::GetAscii()
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{
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if ( Empty() ) return 0; // Safety
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int r=TopAscii();
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out=(out+1)%maxkey;
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return r;
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}
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Qt::KeyboardModifiers NetHackQtKeyBuffer::GetState()
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{
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if ( Empty() ) return 0;
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Qt::KeyboardModifiers r=TopState();
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out=(out+1)%maxkey;
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return r;
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}
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int NetHackQtKeyBuffer::TopKey() const
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{
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if ( Empty() ) return 0;
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return key[out];
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}
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int NetHackQtKeyBuffer::TopAscii() const
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{
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if ( Empty() ) return 0;
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return ascii[out];
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}
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Qt::KeyboardModifiers NetHackQtKeyBuffer::TopState() const
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{
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if ( Empty() ) return 0;
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return state[out];
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}
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} // namespace nethack_qt_
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