RetroZilla/gc/boehm/cord/de_win.h

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2015-10-21 05:03:22 +02:00
/*
* Copyright (c) 1994 by Xerox Corporation. All rights reserved.
*
* THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
* OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
*
* Permission is hereby granted to use or copy this program
* for any purpose, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*/
/* Boehm, May 19, 1994 2:25 pm PDT */
/* cord.h, de_cmds.h, and windows.h should be included before this. */
# define OTHER_FLAG 0x100
# define EDIT_CMD_FLAG 0x200
# define REPEAT_FLAG 0x400
# define CHAR_CMD(i) ((i) & 0xff)
/* MENU: DE */
#define IDM_FILESAVE (EDIT_CMD_FLAG + WRITE)
#define IDM_FILEEXIT (OTHER_FLAG + 1)
#define IDM_HELPABOUT (OTHER_FLAG + 2)
#define IDM_HELPCONTENTS (OTHER_FLAG + 3)
#define IDM_EDITPDOWN (REPEAT_FLAG + EDIT_CMD_FLAG + DOWN)
#define IDM_EDITPUP (REPEAT_FLAG + EDIT_CMD_FLAG + UP)
#define IDM_EDITUNDO (EDIT_CMD_FLAG + UNDO)
#define IDM_EDITLOCATE (EDIT_CMD_FLAG + LOCATE)
#define IDM_EDITDOWN (EDIT_CMD_FLAG + DOWN)
#define IDM_EDITUP (EDIT_CMD_FLAG + UP)
#define IDM_EDITLEFT (EDIT_CMD_FLAG + LEFT)
#define IDM_EDITRIGHT (EDIT_CMD_FLAG + RIGHT)
#define IDM_EDITBS (EDIT_CMD_FLAG + BS)
#define IDM_EDITDEL (EDIT_CMD_FLAG + DEL)
#define IDM_EDITREPEAT (EDIT_CMD_FLAG + REPEAT)
#define IDM_EDITTOP (EDIT_CMD_FLAG + TOP)
/* Windows UI stuff */
LRESULT CALLBACK WndProc (HWND hwnd, UINT message,
UINT wParam, LONG lParam);
LRESULT CALLBACK AboutBox( HWND hDlg, UINT message,
UINT wParam, LONG lParam );
/* Screen dimensions. Maintained by de_win.c. */
extern int LINES;
extern int COLS;
/* File being edited. */
extern char * arg_file_name;
/* Current display position in file. Maintained by de.c */
extern int dis_line;
extern int dis_col;
/* Current cursor position in file. */
extern int line;
extern int col;
/*
* Calls from de_win.c to de.c
*/
CORD retrieve_screen_line(int i);
/* Get the contents of i'th screen line. */
/* Relies on COLS. */
void set_position(int x, int y);
/* Set column, row. Upper left of window = (0,0). */
void do_command(int);
/* Execute an editor command. */
/* Agument is a command character or one */
/* of the IDM_ commands. */
void generic_init(void);
/* OS independent initialization */
/*
* Calls from de.c to de_win.c
*/
void move_cursor(int column, int line);
/* Physically move the cursor on the display, */
/* so that it appears at */
/* (column, line). */
void invalidate_line(int line);
/* Invalidate line i on the screen. */
void de_error(char *s);
/* Display error message. */