reactos/rosapps/dflat32/console.c
Eric Kohl a12836346f Improved keyboard handling code
Fixed problems with differnet console sizes
Started function renaming

svn path=/trunk/; revision=1034
2000-03-08 01:49:37 +00:00

218 lines
4.3 KiB
C

/* ----------- console.c ---------- */
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "dflat.h"
/* ----- table of alt keys for finding shortcut keys ----- */
#if 0
static int altconvert[] = {
ALT_A,ALT_B,ALT_C,ALT_D,ALT_E,ALT_F,ALT_G,ALT_H,
ALT_I,ALT_J,ALT_K,ALT_L,ALT_M,ALT_N,ALT_O,ALT_P,
ALT_Q,ALT_R,ALT_S,ALT_T,ALT_U,ALT_V,ALT_W,ALT_X,
ALT_Y,ALT_Z,ALT_0,ALT_1,ALT_2,ALT_3,ALT_4,ALT_5,
ALT_6,ALT_7,ALT_8,ALT_9
};
#endif
static COORD cursorpos[MAXSAVES];
static CONSOLE_CURSOR_INFO cursorinfo[MAXSAVES];
static int cs = 0;
void SwapCursorStack(void)
{
if (cs > 1)
{
COORD coord;
CONSOLE_CURSOR_INFO csi;
coord = cursorpos[cs-2];
cursorpos[cs-2] = cursorpos[cs-1];
cursorpos[cs-1] = coord;
memcpy (&csi,
&cursorinfo[cs-2],
sizeof(CONSOLE_CURSOR_INFO));
memcpy (&cursorinfo[cs-2],
&cursorinfo[cs-1],
sizeof(CONSOLE_CURSOR_INFO));
memcpy (&cursorinfo[cs-1],
&csi,
sizeof(CONSOLE_CURSOR_INFO));
}
}
/* ---- Read a keystroke ---- */
void GetKey (PINPUT_RECORD lpBuffer)
{
HANDLE hInput;
DWORD dwRead;
hInput = GetStdHandle (STD_INPUT_HANDLE);
do
{
// WaitForSingleObject (hInput, INFINITE);
ReadConsoleInput (hInput, lpBuffer, 1, &dwRead);
if ((lpBuffer->EventType == KEY_EVENT) &&
(lpBuffer->Event.KeyEvent.bKeyDown == TRUE))
break;
}
while (TRUE);
}
/* ---------- read the keyboard shift status --------- */
int getshift(void)
{
// regs.h.ah = 2;
// int86(KEYBRD, &regs, &regs);
// return regs.h.al;
/* FIXME */
return 0;
}
/* -------- sound a buzz tone ---------- */
void beep(void)
{
Beep(440, 50);
// MessageBeep (-1);
}
/* ------ position the cursor ------ */
void cursor(int x, int y)
{
COORD coPos;
coPos.X = (USHORT)x;
coPos.Y = (USHORT)y;
SetConsoleCursorPosition (GetStdHandle (STD_OUTPUT_HANDLE), coPos);
}
/* ------- get the current cursor position ------- */
void curr_cursor(int *x, int *y)
//VOID GetCursorXY (PSHORT x, PSHORT y)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &csbi);
*x = (int)csbi.dwCursorPosition.X;
*y = (int)csbi.dwCursorPosition.Y;
}
/* ------ save the current cursor configuration ------ */
void savecursor(void)
{
if (cs < MAXSAVES)
{
CONSOLE_SCREEN_BUFFER_INFO csbi;
GetConsoleScreenBufferInfo (GetStdHandle (STD_OUTPUT_HANDLE), &csbi);
cursorpos[cs].X = csbi.dwCursorPosition.X;
cursorpos[cs].Y = csbi.dwCursorPosition.Y;
GetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&(cursorinfo[cs]));
cs++;
}
}
/* ---- restore the saved cursor configuration ---- */
void restorecursor(void)
{
if (cs)
{
--cs;
SetConsoleCursorPosition (GetStdHandle (STD_OUTPUT_HANDLE),
cursorpos[cs]);
SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&(cursorinfo[cs]));
}
}
/* ------ make a normal cursor ------ */
void normalcursor(void)
{
CONSOLE_CURSOR_INFO csi;
csi.bVisible = TRUE;
csi.dwSize = 5;
SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
}
/* ------ hide the cursor ------ */
void hidecursor(void)
{
CONSOLE_CURSOR_INFO csi;
GetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
csi.bVisible = FALSE;
SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
}
/* ------ unhide the cursor ------ */
void unhidecursor(void)
{
CONSOLE_CURSOR_INFO csi;
GetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
csi.bVisible = TRUE;
SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
}
/* set the cursor size (in percent) */
void set_cursor_size (unsigned t)
{
CONSOLE_CURSOR_INFO csi;
GetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
if (t < 2)
csi.dwSize = 2;
else if (t > 90)
csi.dwSize = 90;
else
csi.dwSize = t;
SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE),
&csi);
}
/* ------ convert an Alt+ key to its letter equivalent ----- */
int AltConvert(int c)
{
return c;
#if 0
int i, a = 0;
for (i = 0; i < 36; i++)
if (c == altconvert[i])
break;
if (i < 26)
a = 'a' + i;
else if (i < 36)
a = '0' + i - 26;
return a;
#endif
}
/* EOF */