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Diffstat (limited to 'x11key.c')
| -rw-r--r-- | x11key.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/x11key.c b/x11key.c new file mode 100644 index 0000000..2134019 --- /dev/null +++ b/x11key.c @@ -0,0 +1,162 @@ +/** + * [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("=============================================="); + +} |