void ewmh_update_desktop_names() {
char** names = g_new(char*, tag_get_count());
for (int i = 0; i < tag_get_count(); i++) {
names[i] = get_tag_by_index(i)->name->str;
}
XTextProperty text_prop;
Xutf8TextListToTextProperty(g_display, names, tag_get_count(),
XUTF8StringStyle, &text_prop);
XSetTextProperty(g_display, g_root, &text_prop, g_netatom[NetDesktopNames]);
XFree(text_prop.value);
g_free(names);
}
int main()
{
char key[] = "key1,key2,key3";
char tag[32];
int num = get_tag_num(key,',');
// for(int i=0;i<num+1;i++) {
get_tag_by_index(key,tag,2);
printf("tag %d: %s\n",2,tag);
// }
return 0;
}
int print_tag_status_command(int argc, char** argv, GString* output) {
HSMonitor* monitor;
if (argc >= 2) {
monitor = string_to_monitor(argv[1]);
} else {
monitor = get_current_monitor();
}
if (monitor == NULL) {
g_string_append_printf(output,
"%s: Monitor \"%s\" not found!\n", argv[0], argv[1]);
return HERBST_INVALID_ARGUMENT;
}
tag_update_flags();
g_string_append_c(output, '\t');
for (int i = 0; i < tag_get_count(); i++) {
HSTag* tag = get_tag_by_index(i);
// print flags
char c = '.';
if (tag->flags & TAG_FLAG_USED) {
c = ':';
}
HSMonitor *tag_monitor = find_monitor_with_tag(tag);
if (tag_monitor == monitor) {
c = '+';
if (monitor == get_current_monitor()) {
c = '#';
}
} else if (tag_monitor) {
c = '-';
if (get_current_monitor() == tag_monitor) {
c = '%';
}
}
if (tag->flags & TAG_FLAG_URGENT) {
c = '!';
}
g_string_append_c(output, c);
g_string_append(output, tag->name->str);
g_string_append_c(output, '\t');
}
return 0;
}
void ewmh_handle_client_message(XEvent* event) {
HSDebug("Received event: ClientMessage\n");
XClientMessageEvent* me = &(event->xclient);
int index;
for (index = 0; index < NetCOUNT; index++) {
if (me->message_type == g_netatom[index]) {
break;
}
}
if (index >= NetCOUNT) {
HSDebug("received unknown client message\n");
return;
}
HSClient* client;
int desktop_index;
switch (index) {
case NetActiveWindow:
// only steal focus it allowed to the current source
// (i.e. me->data.l[0] in this case as specified by EWMH)
if (focus_stealing_allowed(me->data.l[0])) {
focus_window(me->window, true, true);
}
break;
case NetCurrentDesktop:
desktop_index = me->data.l[0];
if (desktop_index < 0 || desktop_index >= g_tags->len) {
HSDebug("_NET_CURRENT_DESKTOP: invalid index \"%d\"\n",
desktop_index);
break;
}
HSTag* tag = g_array_index(g_tags, HSTag*, desktop_index);
monitor_set_tag(get_current_monitor(), tag);
break;
case NetWmDesktop:
desktop_index = me->data.l[0];
if (!focus_stealing_allowed(me->data.l[1])) {
break;
}
HSTag* target = get_tag_by_index(desktop_index);
client = get_client_from_window(me->window);
if (client && target) {
tag_move_client(client, target);
}
break;
case NetWmState:
client = get_client_from_window(me->window);
/* ignore requests for unmanaged windows */
if (!client || !client->ewmhrequests) break;
/* mapping between EWMH atoms and client struct members */
struct {
int atom_index;
bool enabled;
void (*callback)(HSClient*, bool);
} client_atoms[] = {
{ NetWmStateFullscreen,
client->fullscreen, client_set_fullscreen },
{ NetWmStateDemandsAttention,
client->urgent, client_set_urgent },
};
/* me->data.l[1] and [2] describe the properties to alter */
for (int prop = 1; prop <= 2; prop++) {
if (me->data.l[prop] == 0) {
/* skip if no property is specified */
continue;
}
/* check if we support the property data[prop] */
int i;
for (i = 0; i < LENGTH(client_atoms); i++) {
if (g_netatom[client_atoms[i].atom_index]
== me->data.l[prop]) {
break;
}
}
if (i >= LENGTH(client_atoms)) {
/* property will not be handled */
continue;
}
bool new_value[] = {
[ _NET_WM_STATE_REMOVE ] = false,
[ _NET_WM_STATE_ADD ] = true,
[ _NET_WM_STATE_TOGGLE ] = !client_atoms[i].enabled,
};
int action = me->data.l[0];
if (action >= LENGTH(new_value)) {
HSDebug("_NET_WM_STATE: invalid action %d\n", action);
}
/* change the value */
client_atoms[i].callback(client, new_value[action]);
}
break;
default:
HSDebug("no handler for the client message \"%s\"\n",
g_netatom_names[index]);
break;
}
}
void ewmh_handle_client_message(XEvent* event) {
HSDebug("Received event: ClientMessage\n");
XClientMessageEvent* me = &(event->xclient);
int index;
for (index = 0; index < NetCOUNT; index++) {
if (me->message_type == g_netatom[index]) {
break;
}
}
if (index >= NetCOUNT) {
HSDebug("received unknown client message\n");
return;
}
HSClient* client;
int desktop_index;
switch (index) {
case NetActiveWindow:
// only steal focus it allowed to the current source
// (i.e. me->data.l[0] in this case as specified by EWMH)
if (focus_stealing_allowed(me->data.l[0])) {
HSClient* client = get_client_from_window(me->window);
if (client) {
focus_client(client, true, true);
}
}
break;
case NetCurrentDesktop: {
desktop_index = me->data.l[0];
if (desktop_index < 0 || desktop_index >= tag_get_count()) {
HSDebug("_NET_CURRENT_DESKTOP: invalid index \"%d\"\n",
desktop_index);
break;
}
HSTag* tag = get_tag_by_index(desktop_index);
monitor_set_tag(get_current_monitor(), tag);
break;
}
case NetWmDesktop: {
desktop_index = me->data.l[0];
if (!focus_stealing_allowed(me->data.l[1])) {
break;
}
HSTag* target = get_tag_by_index(desktop_index);
client = get_client_from_window(me->window);
if (client && target) {
tag_move_client(client, target);
}
break;
}
case NetWmState: {
client = get_client_from_window(me->window);
/* ignore requests for unmanaged windows */
if (!client || !client->ewmhrequests) break;
/* mapping between EWMH atoms and client struct members */
struct {
int atom_index;
bool enabled;
void (*callback)(HSClient*, bool);
} client_atoms[] = {
{ NetWmStateFullscreen,
client->fullscreen, client_set_fullscreen },
{ NetWmStateDemandsAttention,
client->urgent, client_set_urgent },
};
/* me->data.l[1] and [2] describe the properties to alter */
for (int prop = 1; prop <= 2; prop++) {
if (me->data.l[prop] == 0) {
/* skip if no property is specified */
continue;
}
/* check if we support the property data[prop] */
int i;
for (i = 0; i < LENGTH(client_atoms); i++) {
if (g_netatom[client_atoms[i].atom_index]
== me->data.l[prop]) {
break;
}
}
if (i >= LENGTH(client_atoms)) {
/* property will not be handled */
continue;
}
auto new_value = ArrayInitializer<bool,3>({
{ _NET_WM_STATE_REMOVE , false },
{ _NET_WM_STATE_ADD , true },
{ _NET_WM_STATE_TOGGLE , !client_atoms[i].enabled },
}).a;
int action = me->data.l[0];
if (action >= new_value.size()) {
HSDebug("_NET_WM_STATE: invalid action %d\n", action);
}
/* change the value */
client_atoms[i].callback(client, new_value[action]);
}
break;
}
case NetWmMoveresize: {
client = get_client_from_window(me->window);
if (!client) {
break;
}
int direction = me->data.l[2];
if (direction == _NET_WM_MOVERESIZE_MOVE
|| direction == _NET_WM_MOVERESIZE_MOVE_KEYBOARD) {
mouse_initiate_move(client, 0, NULL);
} else if (direction == _NET_WM_MOVERESIZE_CANCEL) {
if (mouse_is_dragging()) mouse_stop_drag();
} else {
// anything else is a resize
mouse_initiate_resize(client, 0, NULL);
}
break;
}
default:
HSDebug("no handler for the client message \"%s\"\n",
g_netatom_names[index]);
break;
}
}
