131 lines
3.1 KiB
C
131 lines
3.1 KiB
C
|
/* Program to test the svgalib keyboard functions. */
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <signal.h>
|
||
|
|
#include <time.h>
|
||
|
|
#include <vga.h>
|
||
|
|
#include <vgagl.h>
|
||
|
|
#include <vgakeyboard.h>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
static int newcolor(void)
|
||
|
|
{
|
||
|
|
if (BYTESPERPIXEL == 1)
|
||
|
|
return random() % 15 + 1;
|
||
|
|
return gl_rgbcolor(random() & 255, random() & 255, random() & 255);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static void timeout(int sig)
|
||
|
|
{
|
||
|
|
keyboard_close();
|
||
|
|
vga_setmode(TEXT);
|
||
|
|
puts("Automatic termination after 60 seconds.");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
|
||
|
|
int main(void)
|
||
|
|
{
|
||
|
|
int vgamode, color, leftpressed;
|
||
|
|
int x, y;
|
||
|
|
vga_init();
|
||
|
|
vgamode = vga_getdefaultmode();
|
||
|
|
if ((vgamode == -1) || (vga_getmodeinfo(vgamode)->bytesperpixel != 1))
|
||
|
|
vgamode = G320x200x256;
|
||
|
|
|
||
|
|
if (!vga_hasmode(vgamode)) {
|
||
|
|
printf("Mode not available.\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
printf("\nWARNING: This program will set the keyboard to RAW mode.\n"
|
||
|
|
"The keyboard routines in svgalib have not been tested\n"
|
||
|
|
"very much. There may be no recovery if something goes\n"
|
||
|
|
"wrong.\n\n"
|
||
|
|
"Press ctrl-c now to bail out, enter to continue.\n"
|
||
|
|
"In the test itself, use 'q' or Escape to quit.\n"
|
||
|
|
"It will also terminate after 60 seconds.\n"
|
||
|
|
"Use any cursor keys to move, keypad 0 or enter to change color.\n");
|
||
|
|
|
||
|
|
getchar();
|
||
|
|
|
||
|
|
vga_setmode(vgamode);
|
||
|
|
gl_setcontextvga(vgamode);
|
||
|
|
gl_enableclipping();
|
||
|
|
|
||
|
|
signal(SIGALRM, timeout);
|
||
|
|
|
||
|
|
/* This installs the default handler, which is good enough for most */
|
||
|
|
/* purposes. */
|
||
|
|
if (keyboard_init()) {
|
||
|
|
printf("Could not initialize keyboard.\n");
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
/* Translate to 4 keypad cursor keys, and unify enter key. */
|
||
|
|
keyboard_translatekeys(TRANSLATE_CURSORKEYS | TRANSLATE_KEYPADENTER |
|
||
|
|
TRANSLATE_DIAGONAL);
|
||
|
|
/* (TRANSLATE_DIAGONAL seems to give problems.) Michael: No doesn't...
|
||
|
|
but might not do what you expect.. */
|
||
|
|
|
||
|
|
alarm(60); /* Terminate after 60 seconds for safety. */
|
||
|
|
|
||
|
|
x = WIDTH / 2;
|
||
|
|
y = HEIGHT / 2;
|
||
|
|
color = newcolor();
|
||
|
|
leftpressed = 0;
|
||
|
|
for (;;) {
|
||
|
|
/* Draw moving box. */
|
||
|
|
gl_fillbox(x, y, 5, 5, color);
|
||
|
|
|
||
|
|
/* Draw key status bar at top of screen. */
|
||
|
|
gl_putbox(0, 0, 128, 1, keyboard_getstate());
|
||
|
|
|
||
|
|
/* Wait about 1/100th of a second. */
|
||
|
|
/* Note that use of this function makes things less */
|
||
|
|
/* smooth because of timer latency. */
|
||
|
|
usleep(10000);
|
||
|
|
|
||
|
|
keyboard_update();
|
||
|
|
|
||
|
|
/* Move. */
|
||
|
|
if (keyboard_keypressed(SCANCODE_CURSORLEFT))
|
||
|
|
x--;
|
||
|
|
if (keyboard_keypressed(SCANCODE_CURSORRIGHT))
|
||
|
|
x++;
|
||
|
|
if (keyboard_keypressed(SCANCODE_CURSORUP))
|
||
|
|
y--;
|
||
|
|
if (keyboard_keypressed(SCANCODE_CURSORDOWN))
|
||
|
|
y++;
|
||
|
|
|
||
|
|
/* Boundary checks. */
|
||
|
|
if (x < 0)
|
||
|
|
x = 0;
|
||
|
|
if (x >= WIDTH)
|
||
|
|
x = WIDTH - 1;
|
||
|
|
if (y < 1)
|
||
|
|
y = 1;
|
||
|
|
if (y >= HEIGHT)
|
||
|
|
y = HEIGHT - 1;
|
||
|
|
|
||
|
|
/* Check for color change. */
|
||
|
|
if (keyboard_keypressed(SCANCODE_KEYPAD0) ||
|
||
|
|
keyboard_keypressed(SCANCODE_ENTER)) {
|
||
|
|
if (!leftpressed) {
|
||
|
|
color = newcolor();
|
||
|
|
leftpressed = 1;
|
||
|
|
}
|
||
|
|
} else
|
||
|
|
leftpressed = 0;
|
||
|
|
|
||
|
|
if (keyboard_keypressed(SCANCODE_Q) ||
|
||
|
|
keyboard_keypressed(SCANCODE_ESCAPE))
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
keyboard_close(); /* Don't forget this! */
|
||
|
|
vga_setmode(TEXT);
|
||
|
|
exit(0);
|
||
|
|
}
|