103 lines
2.4 KiB
C
103 lines
2.4 KiB
C
/* Public Domain Curses */
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#include "pdcx11.h"
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RCSID("$Id: pdckbd.c,v 1.62 2008/07/14 04:24:52 wmcbrine Exp $")
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/*man-start**************************************************************
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Name: pdckbd
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Synopsis:
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unsigned long PDC_get_input_fd(void);
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Description:
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PDC_get_input_fd() returns the file descriptor that PDCurses
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reads its input from. It can be used for select().
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Portability X/Open BSD SYS V
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PDC_get_input_fd - - -
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**man-end****************************************************************/
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/* check if a key or mouse event is waiting */
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bool PDC_check_key(void)
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{
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struct timeval socket_timeout = {0};
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int s;
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/* Is something ready to be read on the socket ? Must be a key. */
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FD_ZERO(&xc_readfds);
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FD_SET(xc_key_sock, &xc_readfds);
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if ((s = select(FD_SETSIZE, (FD_SET_CAST)&xc_readfds, NULL,
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NULL, &socket_timeout)) < 0)
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XCursesExitCursesProcess(3, "child - exiting from "
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"PDC_check_key select failed");
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PDC_LOG(("%s:PDC_check_key() - returning %s\n", XCLOGMSG,
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s ? "TRUE" : "FALSE"));
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return !!s;
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}
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/* return the next available key or mouse event */
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int PDC_get_key(void)
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{
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unsigned long newkey = 0;
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int key = 0;
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if (XC_read_socket(xc_key_sock, &newkey, sizeof(unsigned long)) < 0)
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XCursesExitCursesProcess(2, "exiting from PDC_get_key");
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pdc_key_modifiers = (newkey >> 24) & 0xFF;
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key = (int)(newkey & 0x00FFFFFF);
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if (key == KEY_MOUSE && SP->key_code)
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{
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if (XC_read_socket(xc_key_sock, &pdc_mouse_status,
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sizeof(MOUSE_STATUS)) < 0)
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XCursesExitCursesProcess(2, "exiting from PDC_get_key");
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}
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PDC_LOG(("%s:PDC_get_key() - key %d returned\n", XCLOGMSG, key));
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return key;
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}
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unsigned long PDC_get_input_fd(void)
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{
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PDC_LOG(("PDC_get_input_fd() - called\n"));
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return xc_key_sock;
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}
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void PDC_set_keyboard_binary(bool on)
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{
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PDC_LOG(("PDC_set_keyboard_binary() - called\n"));
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}
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/* discard any pending keyboard or mouse input -- this is the core
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routine for flushinp() */
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void PDC_flushinp(void)
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{
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PDC_LOG(("PDC_flushinp() - called\n"));
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while (PDC_check_key())
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PDC_get_key();
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}
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int PDC_mouse_set(void)
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{
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return OK;
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}
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int PDC_modifiers_set(void)
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{
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return OK;
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}
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