* modifiers - asserts (un)pressed modifier keys
* (c) 2002, Francois Revol, revol@free.fr
* for Haiku
* compile with:
* LDFLAGS=-lbe make modifiers
*/
#include <OS.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <InterfaceDefs.h>
int32 modifier_bits[] = {
B_SHIFT_KEY,
B_COMMAND_KEY,
B_CONTROL_KEY,
B_CAPS_LOCK,
B_SCROLL_LOCK,
B_NUM_LOCK,
B_OPTION_KEY,
B_MENU_KEY,
B_LEFT_SHIFT_KEY,
B_RIGHT_SHIFT_KEY,
B_LEFT_COMMAND_KEY,
B_RIGHT_COMMAND_KEY,
B_LEFT_CONTROL_KEY,
B_RIGHT_CONTROL_KEY,
B_LEFT_OPTION_KEY,
B_RIGHT_OPTION_KEY,
0
};
const char *modifier_names[] = { "shift", "command", "control", "capslock", "scrolllock", "numlock", "option", "menu", "lshift", "rshift", "lcommand", "rcommand", "lcontrol", "rcontrol", "loption", "roption", NULL };
int
usage(char *progname, int error)
{
FILE *outstr;
outstr = error?stderr:stdout;
fprintf(outstr, "Usage: %s [-help] [-list] [-/+][[|l|r][shift|control|command|option]|capslock|scrolllock|numlock|menu]\n", progname);
fprintf(outstr, "\t- asserts unpressed modifier,\n");
fprintf(outstr, "\t+ asserts pressed modifier,\n");
return error;
}
int
list_modifiers(int mods)
{
int i;
int gotone = 0;
for (i = 0; modifier_names[i]; i++) {
if (mods & modifier_bits[i]) {
if (gotone)
printf(",");
printf("%s", modifier_names[i]);
gotone = 1;
}
if (modifier_names[i+1] == NULL)
printf("\n");
}
return 0;
}
int
main(int argc, char **argv)
{
int32 mods;
int32 mask_xor = 0x0;
int32 mask_and = 0x0;
int i, j;
mods = modifiers();
if (argc == 1)
return usage(argv[0], 1);
for (i=1; i<argc; i++) {
if (!strncmp(argv[i], "-h", 2))
return usage(argv[0], 0);
else if (!strcmp(argv[i], "-list"))
return list_modifiers(mods);
else if (strlen(argv[i]) > 1 && (*argv[i] == '-' || *argv[i] == '+')) {
for (j=0; modifier_names[j]; j++) {
if (!strcmp(argv[i]+1, modifier_names[j])) {
if (*argv[i] == '-')
mask_and |= modifier_bits[j];
else
mask_xor |= modifier_bits[j];
break;
}
}
if (modifier_names[j] == NULL)
return usage(argv[0], 1);
} else
return usage(argv[0], 1);
}
mask_and |= mask_xor;
return (((mods & mask_and) ^ mask_xor) != 0);
}
