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#include "wayland.h"
#include <unistd.h>
struct wl_data_device_listener data_device_listener;
void setup_data_device(client_state* state) {
state->data_device = wl_data_device_manager_get_data_device(state->data_device_manager, state->seat);
wl_data_device_add_listener(state->data_device, &data_device_listener, state);
}
static void data_offer_handle_offer(void *data, struct wl_data_offer *offer,
const char *mime_type) {
}
static const struct wl_data_offer_listener data_offer_listener = {
.offer = data_offer_handle_offer,
};
static void data_device_handle_data_offer(void *data,
struct wl_data_device *data_device, struct wl_data_offer *offer) {
// An application has created a new data source
wl_data_offer_add_listener(offer, &data_offer_listener, NULL);
}
static void data_device_handle_selection(void *data,
struct wl_data_device *data_device, struct wl_data_offer *offer) {
client_state *state = data;
state->data_offer = offer;
// free old clipboard
free(state->clipboard);
// no clipboard contents
if (offer == NULL) {
state->clipboard = "";
return;
}
// get contents in fd
int fds[2];
pipe(fds);
wl_data_offer_receive(offer, "text/plain", fds[1]);
close(fds[1]);
wl_display_roundtrip(state->display);
// read fd
state->clipboard_size = 64;
state->clipboard = malloc(state->clipboard_size);
size_t current_clip = 0;
while (true) {
ssize_t n = read(fds[0], state->clipboard + current_clip, state->clipboard_size - current_clip);
if (n <= 0) {
break;
}
current_clip += n;
if (current_clip == state->clipboard_size) {
state->clipboard_size *= 2;
state->clipboard = realloc(state->clipboard, state->clipboard_size);
}
}
close(fds[0]);
state->clipboard_size = current_clip; // we don't need the ACTUAL length of the buffer anymore, just the string :D
// remove newlines
int i, j;
for (i = 0, j = 0; i < state->clipboard_size; i++) {
if (state->clipboard[i] != '\n' && state->clipboard[i] != '\r') {
state->clipboard[j++] = state->clipboard[i];
}
}
state->clipboard_size = j;
wl_data_offer_destroy(offer);
}
struct wl_data_device_listener data_device_listener = {
.data_offer = data_device_handle_data_offer,
.selection = data_device_handle_selection,
};
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