169 lines
5.3 KiB
C++
169 lines
5.3 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1990-1999 Odinn Sorensen
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// Copyright (C) 1999-2000 Alexander S. Aganichev
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// ------------------------------------------------------------------
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// GCUI: Golded+ Character-oriented User Interface.
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// Keyboard functions (declarations).
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// ------------------------------------------------------------------
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#ifndef __gkbdbase_h
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#define __gkbdbase_h
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// ------------------------------------------------------------------
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#include <gtimall.h>
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// ------------------------------------------------------------------
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// Simple types
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typedef word gkey;
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// ------------------------------------------------------------------
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// Keycode object
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inline gkey& KCodKey(gkey &key) { return key; }
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inline byte& KCodAsc(gkey &key) { return *(((byte *)&key)+0); }
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inline byte& KCodScn(gkey &key) { return *(((byte *)&key)+1); }
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// ------------------------------------------------------------------
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// Definition of kbuf record
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struct KBuf {
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KBuf* prev; // previous record
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KBuf* next; // next record
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gkey xch; // keypress
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};
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// ------------------------------------------------------------------
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// Definition of onkey record
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struct KBnd {
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KBnd* prev; // pointer to previous record
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KBnd* next; // pointer to next record
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gkey keycode; // Scan/ASCII code of trap key
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VfvCP func; // address of onkey function
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gkey pass; // key to pass back, 0=don't pass
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};
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// ------------------------------------------------------------------
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// Definition of keyboard info record
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class GKbd {
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public:
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KBuf* kbuf; // Pointer to head record in key buffer
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KBnd* onkey; // Pointer to head record in onkey list
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KBnd* curronkey; // Pointer to current onkey record
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int inmenu; // In-menu flag used by menuing functions
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int source; // Source of keypress 0=kb, 1=kbuf, 2=mouse
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int extkbd; // Extended keyboard 0=none, 1=yes
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int polling; // Keyboard polling enabled
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Clock tickinterval; // Minimum interval between ticks
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Clock tickvalue; // Value from last tick
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VfvCP tickfunc; // Function to call when a tick is generated
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Clock tickpress; // Tick value at last keypress
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bool inidle; // In-idle flag used by tickfunc
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bool quitall; // Quit-all flag for menus etc.
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void Init();
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GKbd();
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~GKbd();
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};
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extern GKbd gkbd;
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// ------------------------------------------------------------------
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// Keyboard status codes returned from kbstat()
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#define RSHIFT 1 // right shift pressed
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#define LSHIFT 2 // left shift pressed
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#define GCTRL 4 // [Ctrl] pressed
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#define ALT 8 // [Alt] pressed
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#define SCRLOCK 16 // [Scroll Lock] toggled
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#define NUMLOCK 32 // [Num Lock] toggled
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#define CAPSLOCK 64 // [Caps Lock] toggled
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#define INS 128 // [Ins] toggled
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// ------------------------------------------------------------------
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extern gkey scancode_table[];
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extern bool right_alt_same_as_left;
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// ------------------------------------------------------------------
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// Function prototypes
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KBnd* chgonkey (KBnd* kblist);
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void clearkeys ();
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void freonkey ();
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int setonkey (gkey keycode, VfvCP func, gkey pass);
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gkey getxch (int __tick=false);
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void kbclear ();
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gkey kbmhit ();
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gkey kbxget (int mode=0);
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gkey kbxhit ();
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int kbput (gkey xch);
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word kbput_ (gkey xch);
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void kbputs_ (char* str);
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byte scancode (gkey ch);
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gkey waitkey ();
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gkey waitkeyt (int duration);
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gkey key_tolower(gkey __keycode);
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gkey keyscanxlat(gkey k);
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gkey __kbxget(int __mode=0, long __ticks=0, VfvCP __idlefunc=NULL);
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void gkbdtickpressreset();
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void gkbdtickvaluereset();
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// ------------------------------------------------------------------
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// Inline functions
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inline gkey getxchtick() { return getxch(true); }
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inline void kbdsettickfunc(VfvCP func) { gkbd.tickfunc = func; }
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// ------------------------------------------------------------------
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// Shorthand definitions of keyboard scancodes
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#define KEY_BRK 0xFFFF // ^Break return from _KeyHit()/_KeyGet()
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// ------------------------------------------------------------------
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#endif
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// ------------------------------------------------------------------
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