int get_svga_mouse_button(void)
{
int status = 0;
status = mouse_getbutton();
if (status & 1) {
if (status & 2)
return GuiMouseMiddleButton;
else
return GuiMouseLeftButton;
}
if (status == 3)
return GuiMouseMiddleButton;
if (status == 2)
return GuiMouseRightButton;
return FALSE;
}
static int
Qvfb_Read(
int *px,
int *py,
int *pb
)
{
if(mouse_flag<0)
acoral_delay_self(50);
else
mouse_flag--;
if(mouse_update()){
mouse_getxy(px,py);
*pb = mouse_getbutton();
mouse_flag=MOUSE_SENSE;
return 1;
}
return 0;
}
void mouseb_svgalib_poll(void)
{
log_debug(("mouseb:svgalib: mouseb_svgalib_poll()\n"));
/* update the position */
mouse_update();
/* get the new position */
svgalib_state.x += mouse_getx();
svgalib_state.y += mouse_gety();
svgalib_state.button_mask = mouse_getbutton();
/* clear the current position */
mouse_setposition(0, 0);
/* the range must be reset on a video mode change */
mouse_setxrange(-8191, 8191);
mouse_setyrange(-8191, 8191);
log_debug(("mouseb:svgalib: mouseb_svgalib_poll() -> %d,%d,%d\n", svgalib_state.x, svgalib_state.y, svgalib_state.button_mask));
}
void handle_events (void)
{
int button = mouse_getbutton ();
gui_requested = 0;
keyboard_update ();
mouse_update ();
lastmx += mouse_getx ();
lastmy += mouse_gety ();
mouse_setposition (0, 0);
buttonstate[0] = button & 4;
buttonstate[1] = button & 2;
buttonstate[2] = button & 1;
#ifdef PICASSO96
if (screen_is_picasso && !picasso_vidinfo.extra_mem) {
int i;
char *addr = gfxmemory + (picasso96_state.Address - gfxmem_start);
for (i = 0; i < picasso_vidinfo.height; i++, addr += picasso96_state.BytesPerRow) {
if (!picasso_invalid_lines[i])
continue;
picasso_invalid_lines[i] = 0;
vga_drawscanline (i, addr);
}
}
#endif
if (!screen_is_picasso && gui_requested) {
leave_graphics_mode ();
gui_changesettings ();
enter_graphics_mode (vgamode);
if (linear_mem != NULL && !need_dither)
gfxvidinfo.bufmem = linear_mem;
restore_vga_colors ();
notice_screen_contents_lost ();
}
}
void main(void)
{
struct timeval timeout;
fd_set inputs;
char bitmap[16 * 16 * 4]; /* big enough for 10x10 bitmap in any mode */
int vgamode, color, pipefd[2], x, y, button, event, cursorsize = 5;
char loop = 1, drawcursor = 1;
#ifdef USE_RAWKEYBOARD
char space_pressed = 0;
#endif
puts("This is a demo showing the abilities of the new vga_waitevent() function\n"
"If something goes wrong it might hang your machine. Thus hit <ctrl>-C now\n"
"to bailout if in doubt.\n"
"Use mouse to move cursor. 1-9,0 to set the cursor size. Space to change the\n"
"cursor color. Left button to draw. Right button or 'Q' to bailout.\n"
"The cursor goes on/off every half second by usage of a timeout passed to\n"
"vga_waitevent. Every 5 secs a string from a child process (the time) arrives\n"
"asynchronously and is displayed by the frontend.");
#ifdef USE_RAWKEYBOARD
puts("\nBEWARE! This has been compiled to use the raw keyboard. A crash might\n"
"render the console unusable. (but shouldn't).");
#endif
fputs("\nHit <Enter> if brave enough, else ^C to bailout: ", stdout);
fflush(stdout);
getchar();
fflush(stdin); /* clear I/O buffer */
pipe(pipefd);
if (fork() == 0) { /* fork off b4 touching graphix to avoid side effects */
close(pipefd[0]); /* Important: close reading side, else it remains */
/* opened by child when parent exits and we don't get */
/* a SIGPIPE! */
child(pipefd[1]);
}
vga_init();
vgamode = vga_getdefaultmode();
if (vgamode == -1)
vgamode = G320x200x256;
if (!vga_hasmode(vgamode)) {
printf("Mode not available.\n");
exit(-1);
}
/* Enable automatic mouse setup at mode set. */
vga_setmousesupport(1);
vga_setmode(vgamode);
/* Disable wrapping (default). */
/* mouse_setwrap(MOUSE_NOWRAP); */
gl_setcontextvga(vgamode);
gl_enableclipping();
/* There might be some scrap data in the serial buffer
from the mouse. It will make vga_waitevent block
because it thinks the mouse wants to send data but
then no mouse packet arrives. */
color = newcolor();
x = 0;
y = 0;
gl_setwritemode(WRITEMODE_OVERWRITE | FONT_COMPRESSED);
gl_setfont(8, 8, gl_font8x8);
gl_setfontcolors(0, newcolor());
#ifdef USE_RAWKEYBOARD
if (keyboard_init()) {
printf("Could not initialize keyboard.\n");
exit(1);
}
#endif
while (loop) {
gl_getbox(x, y, 10, 10, bitmap);
if (drawcursor) {
gl_hline(x, y, x + cursorsize, color);
gl_hline(x, y + cursorsize, x + cursorsize, color);
gl_line(x, y, x, y + cursorsize, color);
gl_line(x + cursorsize, y, x + cursorsize, y + cursorsize, color);
}
FD_ZERO(&inputs);
FD_SET(pipefd[0], &inputs);
timeout.tv_sec = 0;
timeout.tv_usec = 500000; /* 0.5 second time out */
event = vga_waitevent(VGA_MOUSEEVENT | VGA_KEYEVENT,
&inputs, NULL, NULL, &timeout);
gl_putbox(x, y, 10, 10, bitmap);
if (timeout.tv_sec || timeout.tv_usec) {
/* No timeout. An actual event occured. Reset to visible
cursor. Note:
This is actually a bug as the cursor will get visible on time
updates. However, it's better this way for demo/test
purposes. */
drawcursor = 1;
} else {
drawcursor ^= 1;
}
if (FD_ISSET(pipefd[0], &inputs))
process_input(pipefd[0]);
if (event & VGA_MOUSEEVENT) {
x = mouse_getx();
y = mouse_gety();
button = mouse_getbutton();
if (button & MOUSE_LEFTBUTTON)
gl_fillbox(x, y, cursorsize + 1, cursorsize + 1, color);
if (button & MOUSE_RIGHTBUTTON)
loop = 0;
}
if (event & VGA_KEYEVENT) {
#ifdef USE_RAWKEYBOARD
if (keyboard_keypressed(SCANCODE_1))
cursorsize = 0;
if (keyboard_keypressed(SCANCODE_2))
cursorsize = 1;
if (keyboard_keypressed(SCANCODE_3))
cursorsize = 2;
if (keyboard_keypressed(SCANCODE_4))
cursorsize = 3;
if (keyboard_keypressed(SCANCODE_5))
cursorsize = 4;
if (keyboard_keypressed(SCANCODE_6))
cursorsize = 5;
if (keyboard_keypressed(SCANCODE_7))
cursorsize = 6;
if (keyboard_keypressed(SCANCODE_8))
cursorsize = 7;
if (keyboard_keypressed(SCANCODE_9))
cursorsize = 8;
if (keyboard_keypressed(SCANCODE_0))
cursorsize = 9;
if (keyboard_keypressed(SCANCODE_Q))
loop = 0;
if (keyboard_keypressed(SCANCODE_SPACE)) {
if (!space_pressed) {
color = newcolor();
space_pressed = 1;
}
} else {
space_pressed = 0;
}
#else
switch (vga_getch()) {
case '1':
cursorsize = 0;
break;
case '2':
cursorsize = 1;
break;
case '3':
cursorsize = 2;
break;
case '4':
cursorsize = 3;
break;
case '5':
cursorsize = 4;
break;
case '6':
cursorsize = 5;
break;
case '7':
cursorsize = 6;
break;
case '8':
cursorsize = 7;
break;
case '9':
cursorsize = 8;
break;
case '0':
cursorsize = 9;
break;
case ' ':
color = newcolor();
break;
case 'q':
case 'Q':
loop = 0;
break;
default:
ping();
break;
}
#endif
}
}
#ifdef USE_RAWKEYBOARD
keyboard_close(); /* Don't forget this! */
#endif
vga_setmode(TEXT);
exit(0);
}
int ImouseRead( int *xcurs, int *ycurs)
{
#ifdef GGI
struct timeval tv={0,0};
while (ggiEventPoll(ggiVis, emPointer, &tv) > 0)
{
ggi_event ev;
int oldbutton=xg_mousebutton;
ggiEventRead(ggiVis, &ev, emPointer);
if (ev.any.type == evPtrButtonPress)
xg_mousebutton = ev.pbutton.button;
if (ev.any.type == evPtrButtonRelease)
xg_mousebutton = 0;
if (ev.any.type == evPtrRelative)
{
*xcurs += ev.pmove.x;
*ycurs += ev.pmove.y;
}
if (ev.any.type == evPtrAbsolute)
{
*xcurs = ev.pmove.x;
*ycurs = ev.pmove.y;
}
if(*xcurs<xg_mouserange_xmin)
*xcurs=xg_mouserange_xmin;
if(*xcurs>xg_mouserange_xmax)
*xcurs=xg_mouserange_xmax;
if(*ycurs<xg_mouserange_ymin)
*ycurs=xg_mouserange_ymin;
if(*ycurs>xg_mouserange_ymax)
*ycurs=xg_mouserange_ymax;
if(xg_mousebutton!=oldbutton) //otherwise we would catch mouse release event on slow PCs...
return xg_mousebutton;
}//loop
return xg_mousebutton;
#else
if(MouseWasUpdatedInThread || mouse_update())
{
MouseWasUpdatedInThread=0;
xg_mousebutton=mouse_getbutton();
*xcurs=mouse_getx();
*ycurs=mouse_gety();
// if(button!=0)
// printf("[mouse=%d]",button);
switch(xg_mousebutton) //?? SVGAlib mouse events ....
{
case 4:
xg_mousebutton=1;
break;
case 1:
xg_mousebutton=2;
break;
case 2:
xg_mousebutton=4; //?
break;
}
}
return xg_mousebutton;
#endif
}
