// spawn() heavily inspired by dwm.c
int spawn(int argc, char** argv) {
if (argc < 2) {
return HERBST_NEED_MORE_ARGS;
}
if (fork() == 0) {
// only look in child
if (g_display) {
close(ConnectionNumber(g_display));
}
// shift all args in argv by 1 to the front
// so that we have space for a NULL entry at the end for execvp
char** execargs = argv_duplicate(argc, argv);
free(execargs[0]);
int i;
for (i = 0; i < argc-1; i++) {
execargs[i] = execargs[i+1];
}
execargs[i] = NULL;
// do actual exec
setsid();
execvp(execargs[0], execargs);
fprintf(stderr, "herbstluftwm: execvp \"%s\"", argv[1]);
perror(" failed");
exit(0);
}
return 0;
}
bool hc_next_hook(HCConnection* con, int* argc, char** argv[]) {
if (!hc_hook_window_connect(con)) {
return false;
}
// get window to listen at
Window win = con->hook_window;
// listen on window
XEvent next_event;
bool received_hook = false;
while (!received_hook) {
XNextEvent(con->display, &next_event);
if (next_event.type == DestroyNotify) {
if (next_event.xdestroywindow.window == win) {
// hook window was destroyed
// so quit idling
return false;
}
}
if (next_event.type != PropertyNotify) {
fprintf(stderr, "Warning: got other event than PropertyNotify\n");
continue;
}
XPropertyEvent* pe = &next_event.xproperty;
if (pe->state == PropertyDelete) {
// just ignore property delete events
continue;
}
if (pe->window != win) {
fprintf(stderr, "Warning: expected event from window %u", (unsigned int)win);
fprintf(stderr, " but got something from %u\n", (unsigned int)pe->window);
continue;
}
XTextProperty text_prop;
XGetTextProperty(con->display, win, &text_prop, pe->atom);
char** list_return;
int count;
if (Success != Xutf8TextPropertyToTextList(con->display, &text_prop,
&list_return, &count)) {
XFree(text_prop.value);
return false;
}
*argc = count;
*argv = argv_duplicate(count, list_return);
received_hook = true;
// cleanup
XFreeStringList(list_return);
XFree(text_prop.value);
}
return true;
}
int wmexec(int argc, char** argv) {
if (argc >= 2) {
// shift all args in argv by 1 to the front
// so that we have space for a NULL entry at the end for execvp
char** execargs = argv_duplicate(argc, argv);
free(execargs[0]);
int i;
for (i = 0; i < argc-1; i++) {
execargs[i] = execargs[i+1];
}
execargs[i] = NULL;
// quit and exec to new window manger
g_exec_args = execargs;
} else {
// exec into same command
g_exec_args = NULL;
}
g_exec_before_quit = true;
g_aboutToQuit = true;
return EXIT_SUCCESS;
}
int mouse_bind_command(int argc, char** argv, GString* output) {
if (argc < 3) {
return HERBST_NEED_MORE_ARGS;
}
unsigned int modifiers = 0;
char* string = argv[1];
if (!string2modifiers(string, &modifiers)) {
g_string_append_printf(output,
"%s: Modifier \"%s\" does not exist\n", argv[0], string);
return HERBST_INVALID_ARGUMENT;
}
// last one is the mouse button
const char* last_token = strlasttoken(string, KEY_COMBI_SEPARATORS);
unsigned int button = string2button(last_token);
if (button == 0) {
g_string_append_printf(output,
"%s: Unknown mouse button \"%s\"\n", argv[0], last_token);
return HERBST_INVALID_ARGUMENT;
}
MouseFunction function = string2mousefunction(argv[2]);
if (!function) {
g_string_append_printf(output,
"%s: Unknown mouse action \"%s\"\n", argv[0], argv[2]);
return HERBST_INVALID_ARGUMENT;
}
// actually create a binding
MouseBinding* mb = g_new(MouseBinding, 1);
mb->button = button;
mb->modifiers = modifiers;
mb->action = function;
mb->argc = argc - 3;
mb->argv = argv_duplicate(argc - 3, argv + 3);;
g_mouse_binds = g_list_prepend(g_mouse_binds, mb);
HSClient* client = get_current_client();
if (client) {
grab_client_buttons(client, true);
}
return 0;
}
