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/*
sendkey - a simple tool to automate testing key shortcuts using XTEST
Copyright 2003 Matthew Allum
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/XTest.h>
#include <X11/keysym.h>
#define KEYDOWN 1
#define KEYUP 2
#define KEYDOWNUP 3
Display* dpy;
Window win_root;
int screen;
void
send_key(KeyCode character, int keydirection)
{
switch (keydirection)
{
case KEYDOWN:
XTestFakeKeyEvent(dpy, (unsigned int) character, True, 0);
break;
case KEYUP:
XTestFakeKeyEvent(dpy, (unsigned int) character, False, 0);
break;
case KEYDOWNUP:
XTestFakeKeyEvent(dpy, (unsigned int) character, True, 0);
XTestFakeKeyEvent(dpy, (unsigned int) character, False, 0);
break;
}
}
void
usage( char *appname )
{
fprintf(stderr,
"%s [-d <display>] [+alt] [+meta] [+shift] [+ctrl] unshifted key\n",
appname );
exit(1);
}
int
main(int argc, char **argv)
{
#define noModifierMapIndex (Mod5MapIndex + 1)
#define numModifierIndexes (noModifierMapIndex + 1)
int ShiftModifierIndex = 0;
int AltModifierIndex = 0;
int MetaModifierIndex = 0;
KeyCode modifierTable[numModifierIndexes];
XModifierKeymap *modifiers;
KeyCode *kp, kc;
KeySym ks;
int modifier_index;
int modifier_key;
int event, error;
int major, minor;
int i;
Bool controlMode = False, metaMode = False,
altMode = False, shiftMode = False;
Bool ks_error = False;
char *dpy_name = NULL;
char *wanted_keysym = NULL;
for (i = 1; i < argc; i++)
{
if (!strcmp ("-display", argv[i]) || !strcmp ("-d", argv[i])) {
if (++i>=argc) usage (argv[0]);
dpy_name = argv[i++];
continue;
}
if (!strcmp ("+alt", argv[i])) {
altMode = True;
continue;
}
if (!strcmp ("+ctrl", argv[i])) {
controlMode = True;
continue;
}
if (!strcmp ("+meta", argv[i])) {
metaMode = True;
continue;
}
if (!strcmp ("+shift", argv[i])) {
shiftMode = True;
continue;
}
wanted_keysym = argv[i];
}
if (wanted_keysym == NULL)
{
fprintf(stderr, "No keysym supplied\n");
usage(argv[0]);
}
if ((dpy = XOpenDisplay(dpy_name)) == NULL)
{
fprintf(stderr, "Cannot connect to X server on display %s.",
dpy_name);
usage(argv[0]);
}
screen = DefaultScreen(dpy);
win_root = DefaultRootWindow(dpy);
if (!XTestQueryExtension(dpy, &event, &error, &major, &minor))
{
fprintf(stderr, "XTest extension not supported on server \"%s\"\n.", DisplayString(dpy));
exit(1);
}
XSync(dpy, True);
modifiers = XGetModifierMapping(dpy);
kp = modifiers->modifiermap;
for (modifier_index = 0; modifier_index < 8; modifier_index++)
{
modifierTable[modifier_index] = 0;
for (modifier_key = 0;
modifier_key < modifiers->max_keypermod;
modifier_key++)
{
int kc = kp[modifier_index * modifiers->max_keypermod + modifier_key];
if (kc)
{
modifierTable[modifier_index] = kc;
break;
}
}
}
modifierTable[noModifierMapIndex] = 0;
for (modifier_index = Mod1MapIndex;
modifier_index <= Mod5MapIndex;
modifier_index++)
{
if (modifierTable[modifier_index])
{
ks = XKeycodeToKeysym(dpy, modifierTable[modifier_index], 0);
switch (ks)
{
case XK_Meta_R:
case XK_Meta_L:
MetaModifierIndex = modifier_index;
break;
case XK_Alt_R:
case XK_Alt_L:
AltModifierIndex = modifier_index;
break;
case XK_Shift_R:
case XK_Shift_L:
ShiftModifierIndex = modifier_index;
break;
}
}
}
if (controlMode)
send_key(modifierTable[ControlMapIndex], KEYDOWN);
if (metaMode)
send_key(modifierTable[MetaModifierIndex], KEYDOWN);
if (altMode)
send_key(modifierTable[AltModifierIndex], KEYDOWN);
if (shiftMode)
send_key(modifierTable[ShiftModifierIndex], KEYDOWN);
ks = XStringToKeysym(wanted_keysym);
if (ks==NoSymbol)
{
fprintf(stderr, "%s: Unable to lookup keysym for %s\n",
argv[0], wanted_keysym);
ks_error = True;
}
kc = XKeysymToKeycode(dpy, ks);
send_key(kc, KEYDOWNUP);
if (controlMode)
send_key(modifierTable[ControlMapIndex], KEYUP);
if (metaMode)
send_key(modifierTable[MetaModifierIndex], KEYUP);
if (altMode)
send_key(modifierTable[AltModifierIndex], KEYUP);
if (shiftMode)
send_key(modifierTable[ShiftModifierIndex], KEYUP);
XFlush(dpy);
if (ks_error) return 1;
return 0;
}
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