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click_events as documented at https://i3wm.org/docs/i3bar-protocol.html

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This commit is contained in:
akokshar@redhat.com 2017-08-29 11:19:43 +02:00
parent 7553103e34
commit 65022e1cbf
5 changed files with 138 additions and 10 deletions
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82
swaybar/status_line.c
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@ -27,6 +27,8 @@ struct {
static char line[1024];
static char line_rest[1024];
static char event_buff[1024];
static void free_status_block(void *item) {
if (!item) {
return;
@ -391,6 +393,67 @@ static int i3json_handle_fd(struct bar *bar) {
return i3json_parse(bar);
}
bool status_line_mouse_event(struct bar *bar, int x, int y, uint32_t button) {
sway_log(L_DEBUG, "status_line_mouse_event.");
if (!bar->status->click_events) {
sway_log(L_DEBUG, "click_events are not enabled.");
return false;
}
if (bar->status->protocol == I3BAR) {
sway_log(L_DEBUG, "Sending click event.");
// find clicked block
struct status_block *clicked_block = NULL;
struct status_block *current_block = NULL;
int num_blocks = bar->status->block_line->length;
if (num_blocks == 0) {
return false;
}
else {
current_block = bar->status->block_line->items[0];
if (x < current_block->x) {
return false;
}
}
for (int i = 0; i < num_blocks; i++) {
current_block = bar->status->block_line->items[i];
if (x < (current_block->x + current_block->width)) {
clicked_block = current_block;
break;
}
}
if (!clicked_block || !clicked_block->name) {
return false;
}
// event example {"name":"capture","instance":"label","button":1,"x":3431,"y":18}
struct json_object *event_json = json_object_new_object();
json_object_object_add(event_json, "name", json_object_new_string(clicked_block->name));
if (clicked_block->instance) {
json_object_object_add(event_json, "instance", json_object_new_string(clicked_block->instance));
}
json_object_object_add(event_json, "button", json_object_new_int(button));
json_object_object_add(event_json, "x", json_object_new_int(x));
json_object_object_add(event_json, "y", json_object_new_int(y));
int len = snprintf(event_buff, sizeof(event_buff), "%s,\n", json_object_to_json_string(event_json));
json_object_put(event_json);
if (len <= (int)sizeof(event_buff)) { // if not truncated
write(bar->status_write_fd, event_buff, len);
return true;
}
}
return false;
}
bool handle_status_line(struct bar *bar) {
bool dirty = false;
@ -418,15 +481,29 @@ bool handle_status_line(struct bar *bar) {
if (line[0] == '{') {
// detect i3bar json protocol
json_object *proto = json_tokener_parse(line);
json_object *version;
if (proto) {
json_object *version;
if (json_object_object_get_ex(proto, "version", &version)
&& json_object_get_int(version) == 1
) {
sway_log(L_DEBUG, "Switched to i3bar protocol.");
bar->status->protocol = I3BAR;
i3json_handle_data(bar, line_rest);
}
json_object *click_events;
if (json_object_object_get_ex(proto, "click_events", &click_events)
&& json_object_get_boolean(click_events)
) {
sway_log(L_DEBUG, "Enabling click events.");
bar->status->click_events = true;
const char *events_array = "[\n";
write(bar->status_write_fd, events_array, strlen(events_array));
}
i3json_handle_data(bar, line_rest);
json_object_put(proto);
}
}
@ -441,6 +518,7 @@ struct status_line *init_status_line() {
line->block_line = create_list();
line->text_line = NULL;
line->protocol = UNDEF;
line->click_events = false;
return line;
}