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305 lines
10 KiB
C
305 lines
10 KiB
C
/* $Id: devif.h,v 1.2 1999/01/03 02:05:57 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved */
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/************************************************************************/
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/* */
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/* (C) Copyright 1989, 1990, 1990, 1991, 1992, 1993, 1994, 1995 Venue. */
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/* All Rights Reserved. */
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/* Manufactured in the United States of America. */
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/* */
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/************************************************************************/
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#ifndef __DEVIF__
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#define __DEVIF__ 1
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typedef void (*PFV)(); /* Pointer to Function returning Void */
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typedef int (*PFI)(); /* Pointer to Function returning Int */
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typedef char (*PFC)(); /* Pointer to Function returning Char */
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typedef float (*PFF)(); /* Pointer to Function returning Float */
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typedef int (*PFP)(); /* Pointer to Function returning a Pointer */
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typedef unsigned long (*PFUL)(); /* Pointer to Function returning an unsigned long */
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#ifdef XWINDOW
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#include <X11/Xlib.h>
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#endif /* XWINDOW */
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typedef struct
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{
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short type; /* Type of event */
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short next; /* Index to next event */
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} IRQEvent;
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/**************************************************************/
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/* P o s i t i o n */
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/* */
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/* Support structure for the geometry calculations. */
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/**************************************************************/
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typedef struct
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{
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int x;
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int y;
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} Mposition;
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/**************************************************************/
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/* R e g i o n */
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/* */
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/* Support structure for the geometry calculations. */
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/**************************************************************/
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typedef struct
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{
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int x;
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int y;
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int width;
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int height;
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} MRegion;
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/**************************************************************/
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/* D e v R e c */
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/* */
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/* Definition common to all devices. Used for mouse, kbd and */
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/* display. */
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/**************************************************************/
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typedef struct
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{
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int active; /* ACTIVE, a flag.
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TRUE if this device is activated. Use this
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to prevent multiple consecutive initializations. */
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int locked; /* LOCK, a semaphore: 0 if dev is free.
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Test and increment to use this device. */
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void (* enter)(); /* ENTER, a function
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args: self
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Called to set up the device. Has to be called before
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anything else is done to the device. */
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void (* exit)(); /* EXIT, a function
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args: self
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Called to deactivate the device and restore the
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device to its previous state */
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void (* before_raid)(); /* BEFORE_RAID, a function.
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args: self
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Prepare this device for uraid. */
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void (* after_raid)(); /* BEFORE_RAID, a function.
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args: self
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Cleanup and restart device after uraid. */
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void (* sync_device)(); /* SYNC_DEVICE, a function.
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args: self
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Make reality and emulator coincide with each other */
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} DevRec;
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/**************************************************************/
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/* M o u s e I n t e r f a c e */
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/* */
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/* Definition of the mouse. Note that the mouse is also */
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/* dependent on the IOPage68K */
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/**************************************************************/
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typedef struct
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{
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unsigned TwoButtonP: 1;
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/* Interface towards Lisp */
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unsigned Left: 1; /* Left button state. */
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unsigned Middle: 1; /* Middle button state. */
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unsigned Right: 1; /* Right button state. */
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/* Mouse chording machinery */
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unsigned StateLeft: 1;
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unsigned StateMiddle: 1; /* real middle state */
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unsigned StateRight: 1;
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unsigned FakeMiddle: 1;
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unsigned nil: 8;
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short tick; /* Clock for timeout. */
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long StartTime; /* The maximum timeout */
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long RunTimer; /* Chording timer activate flag. */
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PFV NextHandler; /* Pointer to the next timer (used with 2button) */
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} Button;
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typedef struct {
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MRegion Last; /* Last position the mouse was in. */
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Mposition New; /* The place to move the mouse when we have time */
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Mposition Hotspot; /* The current hotspot for the mousecursor */
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long Moved; /* Did the mouse move? */
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DLword Savebitmap[16]; /* The bitmap under the mouse. Taking down the
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mouse involves blitting this bitmap to the screen.
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When bringing the mouse back up to the screen you
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first have to save the contents of the screen under
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the mouse here.*/
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} MCursor;
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typedef struct
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{
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DevRec device;
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void (* Handler)(); /* Event handler for the mouse. */
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MCursor Cursor;
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Button Button;
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LispPTR *timestamp;
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unsigned int keyeventsize; /* The sizeof() one kbd event */
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unsigned int maxkeyevent; /* Offset to the end of the ringbuffer. */
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int eurokbd; /* Keep tabs of the euro-ness of the kbd */
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} MouseInterfaceRec, *MouseInterface;
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/**************************************************************/
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/* K b d I n t e r f a c e */
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/* */
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/* Definition of the keyboard. Note that the keyboard is also */
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/* dependent on the IOPage68K */
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/**************************************************************/
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typedef struct
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{
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DevRec device;
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PFV device_event; /* Event handler for the keyboard. */
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#ifdef DOS
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u_char KeyMap[0x80]; /* The key translation table. Use the keycode you
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get from the keyboard as an index. The value
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gives the lispkeycode.*/
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unsigned char lastbyte; /* Last byte that we got from the keyboard. */
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unsigned int keyeventsize; /* The sizeof() one kbd event */
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unsigned int maxkeyevent; /* Offset to the end of the ringbuffer. */
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int eurokbd; /* Keep tabs of the euro-ness of the kbd */
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PFV prev_handler; /* The previous keyboard handler.
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Keep this around
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to restore when we exit Medley */
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int URaid; /* Put this in a better place later.. /jarl */
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#endif /* DOS */
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} KbdInterfaceRec, *KbdInterface;
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/**************************************************************/
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/* D s p I n t e r f a c e */
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/* */
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/* Definition of the display. This structure collects all the */
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/* special knowledge needed to manipulate the screen. */
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/**************************************************************/
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typedef struct
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{
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DevRec device;
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void (* drawline)(); /* DRAWLINE
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args: dont know yet. Not yet implemented.*/
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void (* cleardisplay)(); /* CLEARDISPLAY, a function
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args: self
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clears the screen.*/
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unsigned long (* get_color_map_entry)();
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unsigned long (* set_color_map_entry)();
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unsigned long (* available_colors)(); /* How many colors do I have on my palette */
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unsigned long (* possible_colors)(); /* How many colors is it possible to select from */
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#ifdef NOTYET
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unsigned long (* get_color_map)(); /* get a pointer to a colormap */
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unsigned long (* set_color_map)(); /* set the current colormap */
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unsigned long (* make_color_map)(); /* return a brand new colormap */
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#endif /* NOTYET */
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unsigned long (* medley_to_native_bm)(); /* 1 bit/pix to native bit/pix */
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unsigned long (* native_to_medley_bm)(); /* native bit/pix to 1 bit/pix */
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unsigned long (* bitblt_to_screen)(); /* BITBLT_TO_SCREEN, a function
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args: self, buffer left top width height.
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biblt's buffer to the screen. */
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unsigned long (* bitblt_from_screen)();
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unsigned long (* scroll_region)(); /* ie. bbt from screen to screen */
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void (* mouse_invisible)(); /* MOUSE_INVISIBLE
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args: self (a dsp), iop (an IOPAGE preferably the one and only)
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This method makes the mouse invisible on the screen. Note that
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the dsp supplies the method and the iop supplies the data. */
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void (* mouse_visible)(); /* MOUSE_VISIBLE
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args: self (a dsp), iop (an IOPAGE preferably the one and only)
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This method makes the mouse visible on the screen. Note that
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the dsp supplies the method and the iop supplies the data. */
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MRegion Display; /* Dimensions of the physical display. */
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unsigned short bitsperpixel;
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unsigned long colors; /* cash for the available_colors */
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unsigned long oldstate; /* Keep the old state around */
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unsigned long graphicsmode; /* Magic cookie used to set the state. */
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unsigned long numberofbanks;
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#ifdef DOS
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unsigned long BytesPerLine;
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unsigned long DisplayStartAddr;
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unsigned long DisplaySegSize;
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unsigned long DisplaySegMagnitude;
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unsigned long LinesPerBank;
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unsigned short LastLineLen[32]; /* length of last line fragment per bank */
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unsigned short LinesInBank[32]; /* True # of full lines in this bank */
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/* # of lines we can do with the full-line dumpline */
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/* for sure. */
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unsigned short LinesBeforeBank[32]; /* Scan lines before start of this bank. */
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void (* SwitchBank)(); /* Method to switch the bank (see vesa standard) */
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#elif XWINDOW
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char *identifier;
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int BitGravity;
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Display *display_id;
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Window LispWindow;
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Window DisplayWindow;
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Window HorScrollBar;
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Window VerScrollBar;
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Window HorScrollButton;
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Window VerScrollButton;
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Window NEGrav;
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Window SEGrav;
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Window SWGrav;
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Window NWGrav;
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GC Copy_GC;
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MRegion Visible;
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unsigned int InternalBorderWidth;
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unsigned int ScrollBarWidth;
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Pixmap ScrollBarPixmap;
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Pixmap GravityOnPixmap;
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Pixmap GravityOffPixmap;
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XImage ScreenBitmap;
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Mask DisableEventMask;
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Mask EnableEventMask;
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#endif /* XWINDOW */
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} DspInterfaceRec, *DspInterface;
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#ifdef XWINDOW
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#define DefineCursor(display, window, mycursor) { \
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XLOCK;\
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XDefineCursor( display, window, *(mycursor) );\
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XUNLOCK;\
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}
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#endif /* XWINDOW */
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#define OUTER_SB_WIDTH(dsp) (dsp->ScrollBarWidth + 2*(dsp->InternalBorderWidth))
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#ifndef min
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#define min( a, b ) (((a)<(b))?(a):(b))
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#endif /* min */
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#ifndef max
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#define max( a, b ) (((a)>(b))?(a):(b))
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#endif /* max */
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#ifndef mid
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#define mid(a, b, c) max( min( b, max( a, c ), min( a, max( b, c ))))
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#endif /* mid */
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#ifndef FALSE
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#define FALSE 0
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#endif /* FALSE */
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#ifndef TRUE
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#define TRUE !FALSE
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#endif /* TRUE */
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#define MINKEYEVENT 2 /* leave 2 words for read,write offsets */
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#define NUMBEROFKEYEVENTS 383
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#endif /* __DEVIF__ */
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