/* -*-C-*-
$Id: ntscreen.h,v 1.20 2000/04/19 03:21:07 cph Exp $
Copyright (c) 1993-2000 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef SCM_NTSCREEN_H
#define SCM_NTSCREEN_H
#include <windows.h>
#include <commdlg.h>
typedef struct tagSCREENINFO *SCREEN;
typedef unsigned char SCREEN_ATTRIBUTE;
/* Events */
/* Mode flags: */
/* a) mask of interesting events */
#define SCREEN_EVENT_TYPE_RESIZE 0x000001
#define SCREEN_EVENT_TYPE_KEY 0x000002
#define SCREEN_EVENT_TYPE_MOUSE 0x000004
#define SCREEN_EVENT_TYPE_CLOSE 0x000008
#define SCREEN_EVENT_TYPE_FOCUS 0x000010
#define SCREEN_EVENT_TYPE_VISIBILITY 0x000020
#define SCREEN_EVENT_TYPE_MASK 0x00003F
/* b) flags for screen behaviour */
#define SCREEN_MODE_AUTOWRAP 0x001000
#define SCREEN_MODE_ECHO 0x002000
#define SCREEN_MODE_CR_NEWLINES 0x004000
#define SCREEN_MODE_LINE_INPUT 0x008000
#define SCREEN_MODE_PROCESS_OUTPUT 0x010000
#define SCREEN_MODE_EAGER_UPDATE 0x020000
#define SCREEN_MODE_EDWIN 0x040000
#define SCREEN_MODE_NEWLINE_CRS 0x080000
#define SCREEN_MODE_VK_KEYS 0x100000
#define SCREEN_MODE_MASK 0x1FF000
/* Kludge: */
#define SCREEN_EDWIN_RESIZE_COMMAND 0323 /* M-S */
typedef unsigned long SCREEN_EVENT_TYPE;
typedef struct
{
unsigned int rows;
unsigned int columns;
} SCREEN_RESIZE_EVENT_RECORD;
typedef struct
{
unsigned int repeat_count;
int virtual_keycode;
unsigned int virtual_scancode;
int ch;
unsigned int control_key_state : 9;
unsigned int key_down : 1;
} SCREEN_KEY_EVENT_RECORD;
typedef struct
{
unsigned int row;
unsigned int column;
unsigned int control_key_state : 9;
unsigned int button_state : 3; /* the button being pressed */
unsigned int up : 1; /* set for mouse *BUTTONUP messages */
unsigned int mouse_moved : 1; /* if neither then single click */
unsigned int double_click : 1;
} SCREEN_MOUSE_EVENT_RECORD;
typedef struct
{
unsigned int gained_p : 1;
} SCREEN_FOCUS_EVENT_RECORD;
typedef struct
{
unsigned int show_p : 1;
} SCREEN_VISIBILITY_EVENT_RECORD;
typedef struct
{
HWND handle;
SCREEN_EVENT_TYPE type;
union
{
SCREEN_KEY_EVENT_RECORD key;
SCREEN_RESIZE_EVENT_RECORD resize;
SCREEN_MOUSE_EVENT_RECORD mouse;
SCREEN_FOCUS_EVENT_RECORD focus;
SCREEN_VISIBILITY_EVENT_RECORD visibility;
} event;
} SCREEN_EVENT;
/* control_key_state flags. Only used for effective modifiers (i.e.
not set when already incorporated into a character translation. */
#define SCREEN_ALT_PRESSED 0x0001 /* An Alt key is pressed. */
#define SCREEN_CONTROL_PRESSED 0x0002 /* A Ctrl key is pressed. */
#define SCREEN_SHIFT_PRESSED 0x0004 /* A Shift key is pressed. */
#define SCREEN_CAPSLOCK_ON 0x0008
#define SCREEN_LEFT_CONTROL_PRESSED 0x0010
#define SCREEN_RIGHT_CONTROL_PRESSED 0x0020
#define SCREEN_LEFT_ALT_PRESSED 0x0040
#define SCREEN_RIGHT_ALT_PRESSED 0x0080
#define SCREEN_NUMLOCK_ON 0x0100
#define SCREEN_SCROLLLOCK_ON 0x0200
#define SCREEN_ANY_ALT_KEY_MASK SCREEN_ALT_PRESSED
/* button_state flags */
#define SCREEN_MOUSE_EVENT_LEFT_PRESSED 0x01
#define SCREEN_MOUSE_EVENT_RIGHT_PRESSED 0x02
#define SCREEN_MOUSE_EVENT_MIDDLE_PRESSED 0x04
/* Messages */
#ifndef SCREEN_COMMAND_FIRST
#define SCREEN_COMMAND_FIRST (WM_USER + 10)
#endif
#define SCREEN_WRITE (SCREEN_COMMAND_FIRST+0)
/* text = (LPSTR)lParam */
/* len = (int)wParam */
#define SCREEN_SETPOSITION (SCREEN_COMMAND_FIRST+1)
/* column = LOWORD(lParam) */
/* row = HIWORD(lParam) */
#define SCREEN_GETPOSITION (SCREEN_COMMAND_FIRST+2)
/* return column = LOWORD(retval) */
/* return row = HIWORD(retval) */
#define SCREEN_SETATTRIBUTE (SCREEN_COMMAND_FIRST+3)
/* attribute = wParam */
#define SCREEN_GETATTRIBUTE (SCREEN_COMMAND_FIRST+4)
/* return attribute = retval */
#define SCREEN_PEEKEVENT (SCREEN_COMMAND_FIRST+5)
/* count = wParam */
/* buffer = (SCREEN_EVENT*) lParam */
/* returns #of events peeked */
/* if buffer is NULL, can be used to count events pending */
#define SCREEN_READEVENT (SCREEN_COMMAND_FIRST+6)
/* count = wParam */
/* buffer = (SCREEN_EVENT*) lParam */
/* returns #of events */
/* if buffer is NULL, events are discarded */
#define SCREEN_SETMODES (SCREEN_COMMAND_FIRST+7)
/* modes = (WORD) wParam */
#define SCREEN_GETMODES (SCREEN_COMMAND_FIRST+8)
/* return modes */
/* A window has commands, which may be bound to thunks.
Control characters may be bound to commands.
Thus commands may be invoked by keypress and by menu action. */
typedef LRESULT (* COMMAND_HANDLER) (HWND, WORD);
#define SCREEN_SETCOMMAND (SCREEN_COMMAND_FIRST+9)
/* command = wParam */
/* handler = COMMAND_HANDLER = lParam; NULL=disable */
/* returns old handler, or -1 on space error */
#define SCREEN_GETCOMMAND (SCREEN_COMMAND_FIRST+10)
/* command = wParam */
/* return handler for char */
#define SCREEN_SETBINDING (SCREEN_COMMAND_FIRST+11)
/* char = wParam */
/* command = lParam; */
#define SCREEN_GETBINDING (SCREEN_COMMAND_FIRST+12)
/* char = wParam */
/* return command */
#define SCREEN_SETMENU (SCREEN_COMMAND_FIRST+13)
/* hMenu = (HMENU)lParam */
#define SCREEN_READ (SCREEN_COMMAND_FIRST+14)
/* buffer = (LPSTR) lParam */
/* length = wParam */
/* return characters read */
/* (-1) if read would block in line-mode */
#define SCREEN_CLEAR (SCREEN_COMMAND_FIRST+15)
/* kind = wParam */
/* kind=0 : whole screen */
/* kind=1 : to eol */
/* Predefined commands for SCREEN_SETBINDING etc */
#define SCREEN_COMMAND_CHOOSEFONT 0x400
#define SCREEN_COMMAND_CLOSE 0x401
#define SCREEN_COMMAND_CHOOSEBACKCOLOR 0x402
struct screen_write_char_s
{
RECT rect;
unsigned int row;
unsigned int col;
};
/* Do user-level timer interrupts by using WM_TIMER. */
#define USE_WM_TIMER
extern FILE * win32_trace_file;
extern unsigned long win32_trace_level;
#ifndef WIN32_TRACE_FILENAME
#define WIN32_TRACE_FILENAME "w32trace.out"
#endif
#ifdef __WATCOMC__
#define _fastcall
#endif
extern VOID _fastcall clear_screen_rectangle (SCREEN, int, int, int, int);
extern VOID Screen_CR_to_RECT (RECT *, SCREEN, int, int, int, int);
extern VOID _fastcall scroll_screen_vertically
(SCREEN, int, int, int, int, int);
extern VOID _fastcall Screen_WriteCharUninterpreted
(SCREEN, int, struct screen_write_char_s *);
extern VOID _fastcall Screen_SetAttributeDirect (SCREEN, SCREEN_ATTRIBUTE);
extern VOID WriteScreenBlock_NoInvalidRect (SCREEN, int, int, LPSTR, int);
extern void Enable_Cursor (SCREEN, BOOL);
extern HICON ScreenSetIcon (SCREEN, HICON);
extern BOOL ScreenSetFont (SCREEN, char *);
extern BOOL ScreenSetForegroundColour (SCREEN, DWORD);
extern BOOL ScreenSetBackgroundColour (SCREEN, DWORD);
extern BOOL ScreenSetFont (SCREEN, char *);
extern BOOL ScreenSetDefaultFont (char *);
extern BOOL Screen_InitApplication (HANDLE hInstance);
extern BOOL Screen_InitInstance (HANDLE hInstance, int nCmdShow);
extern HANDLE Screen_Create (HANDLE, LPCSTR, int);
extern VOID Screen_Destroy (BOOL, HANDLE);
extern HWND ScreenCurrentFocus (void);
extern BOOL Screen_SetPosition (SCREEN, int, int);
extern void Screen_SetAttribute (HANDLE, SCREEN_ATTRIBUTE);
extern void Screen_WriteChar (HANDLE, char);
extern void Screen_WriteText (HANDLE, char*);
extern int Screen_Read (HANDLE, BOOL, char *, int);
extern void Screen_SetCursorPosition (HANDLE, int line, int column);
extern void Screen_SetMenu (HANDLE, HMENU);
extern void Screen_SetMode (HANDLE, int);
extern int Screen_GetMode (HANDLE);
extern VOID Screen_GetSize (HANDLE, int *rows, int *columns);
extern void screen_char_dimensions (HWND, int *, int *);
/* The following return zero iff no events */
extern int Screen_read_event (SCREEN_EVENT *);
extern int Screen_pending_events_p (void);
#endif /* SCM_NTSCREEN_H */
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