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/**
* [x11kry] Generates X11 keyboard events on Linux
* @author Alexandre Quessy <alex@sourcelibre.com>
* @license GNU Public License )c( 2006
*/
#include <X11/Xlib.h>
#include <X11/Xresource.h>
#include <X11/extensions/XTest.h>
#include <X11/keysym.h>
// #include <stdio.h>
#include <stdbool.h>
#include <unistd.h>
#include "m_pd.h"
#define PUREX11_DEFAULT_KEYSTATE 0
#define PUREX11_DEFAULT_DISPLAY 0
/** variables of the pd object */
typedef struct x11key {
t_object x_ob; /* The instance. Contains inlets and outlets */
int *displayName;
} t_x11key;
/**
* letter : types the letter you give it.
*/
void x11key_letter(t_x11key *x, t_symbol *s, int argc, t_atom *argv) {
Display *display;
KeySym keysym;
KeyCode keycode;
int result;
if (argc == 1) {
if (argv[0].a_type == A_SYMBOL) {
t_symbol *sym = atom_getsymbolarg(0, argc, argv);
char *theChars = sym->s_name;
//keysym = XK_q;
keysym = XStringToKeysym(theChars);
/* should be hostname:number.screen_number */
display = XOpenDisplay(NULL); /* defaults to $DISPLAY */
if (display == NULL) {
post("Error : could not open display.\n");
}else {
// printf("Display opened successfully.\n");
keycode = XKeysymToKeycode(display, keysym);
//post("letter = %s", theChars);
//post("keycode = %d", (int) keycode);
/** Pushes on and off the letter */
result = XTestFakeKeyEvent(display, keycode, True, 0);
//post("result = %d", result);
if (result == 0) {
post("Error : could not simulate typing the letter.");
}
result = XTestFakeKeyEvent(display, keycode, False, 0);
if (result == 0) {
post("Error : could not simulate typing the letter.");
}
XCloseDisplay(display);
}
} else {
post("Error : Bad argument type. Must be a symbol. Try [symbol 7< if you want to type a number.");
}
} else {
post("Error : Missing argument. The letter to type.");
}
}
/**
* key : types the key symbol you give it. See /usr/include/X11/keysymdef.h
*/
void x11key_keysym(t_x11key *x, t_symbol *s, int argc, t_atom *argv) {
Display *display;
KeySym keysym;
KeyCode keycode;
int result;
int state = PUREX11_DEFAULT_KEYSTATE;
bool boolState;
if (argc >= 2) {
if (argv[1].a_type == A_FLOAT) {
state = (int) atom_getfloatarg(1, argc, argv);
}
}
if (argc >= 1) {
if (argv[0].a_type == A_SYMBOL) {
t_symbol *sym = atom_getsymbolarg(0, argc, argv);
char *theChars = sym->s_name;
//keysym = XK_q;
keysym = XStringToKeysym(theChars);
/* should be hostname:number.screen_number */
display = XOpenDisplay(NULL); /* defaults to $DISPLAY */
if (display == NULL) {
post("Error : could not open display.\n");
}else {
// printf("Display opened successfully.\n");
keycode = XKeysymToKeycode(display, keysym);
/** Pushes on and off the letter */
boolState = (state == 0) ? False : True;
result = XTestFakeKeyEvent(display, keycode, boolState, 0);
if (result == 0) {
post("Error : could not simulate typing the letter.");
}
XCloseDisplay(display);
}
} else {
post("Error : Bad argument type. Must be a symbol. ");
}
} else {
post("Error : Missing argument. The letter to type.");
}
}
/** display */
void x11key_display(t_x11key *x, t_symbol *s, int argc, t_atom *argv) {
post("Not yet implemented.");
}
/** help */
void x11key_help(t_x11key *x, t_symbol *s, int argc, t_atom *argv) {
post("keysym [see /usr/include/X11/keysymdef.h for the key symbols]");
post("letter [letter a-zA-Z0-9...]");
post("help");
post("display : not yet implemented");
}
/** The class */
t_class *x11key_class;
/** constructor */
void *x11key_new(t_symbol *selector, int argc, t_atom *argv) {
t_x11key *x = (t_x11key *) pd_new(x11key_class);
//x->displayName = PUREX11_DEFAULT_DISPLAY;
return (void *)x;
}
/** setup */
void x11key_setup(void) {
x11key_class = class_new(gensym("x11key"), (t_newmethod) x11key_new, 0, sizeof(t_x11key), 0, A_GIMME, 0);
class_addmethod(x11key_class, (t_method)x11key_letter, gensym("letter"), A_GIMME, 0);
class_addmethod(x11key_class, (t_method)x11key_keysym, gensym("keysym"), A_GIMME, 0);
class_addmethod(x11key_class, (t_method)x11key_display, gensym("display"), A_GIMME, 0);
class_addmethod(x11key_class, (t_method)x11key_help, gensym("help"), A_GIMME, 0);
post("==============================================");
post(" Pure X11");
post("Copyleft 2006 Alexandre Quessy");
post("GNU Public License");
post("[x11key] simulates X11 keyboard events.");
post("==============================================");
}
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