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Implement clipboard paste support

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References: https://todo.sr.ht/~adnano/wmenu/4
This commit is contained in:
adnano 2023-07-28 03:01:34 -04:00
parent e3da93aed8
commit adf5cda6e1
1 changed files with 61 additions and 8 deletions
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69
main.c
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@ -43,7 +43,7 @@ struct menu_state {
struct wl_compositor *compositor;
struct wl_shm *shm;
struct wl_seat *seat;
struct wl_keyboard *keyboard;
struct wl_data_device_manager *data_device_manager;
struct zwlr_layer_shell_v1 *layer_shell;
struct wl_surface *surface;
@ -53,6 +53,8 @@ struct menu_state {
struct xkb_keymap *xkb_keymap;
struct xkb_state *xkb_state;
struct wl_data_offer *offer;
struct pool_buffer buffers[2];
struct pool_buffer *current;
@ -564,6 +566,33 @@ void keypress(struct menu_state *state, enum wl_keyboard_key_state key_state,
}
render_frame(state);
return;
case XKB_KEY_Y:
// Paste clipboard
if (!state->offer) {
return;
}
int fds[2];
pipe(fds);
wl_data_offer_receive(state->offer, "text/plain", fds[1]);
close(fds[1]);
wl_display_roundtrip(state->display);
while (true) {
char buf[1024];
ssize_t n = read(fds[0], buf, sizeof(buf));
if (n <= 0) {
break;
}
insert(state, buf, n);
}
close(fds[0]);
wl_data_offer_destroy(state->offer);
state->offer = NULL;
render_frame(state);
return;
case XKB_KEY_Left:
case XKB_KEY_KP_Left:
// Move to beginning of word
@ -838,16 +867,31 @@ static void seat_capabilities(void *data, struct wl_seat *seat,
enum wl_seat_capability caps) {
struct menu_state *state = data;
if (caps & WL_SEAT_CAPABILITY_KEYBOARD) {
state->keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(state->keyboard, &keyboard_listener, state);
struct wl_keyboard *keyboard = wl_seat_get_keyboard(seat);
wl_keyboard_add_listener(keyboard, &keyboard_listener, state);
}
}
const struct wl_seat_listener seat_listener = {
static const struct wl_seat_listener seat_listener = {
.capabilities = seat_capabilities,
.name = noop,
};
static void data_device_selection(void *data, struct wl_data_device *data_device,
struct wl_data_offer *offer) {
struct menu_state *state = data;
state->offer = offer;
}
static const struct wl_data_device_listener data_device_listener = {
.data_offer = noop,
.enter = noop,
.leave = noop,
.motion = noop,
.drop = noop,
.selection = data_device_selection,
};
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
struct menu_state *state = data;
@ -857,9 +901,11 @@ static void handle_global(void *data, struct wl_registry *registry,
} else if (strcmp(interface, wl_shm_interface.name) == 0) {
state->shm = wl_registry_bind(registry, name, &wl_shm_interface, 1);
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
struct wl_seat *seat = wl_registry_bind(registry, name,
&wl_seat_interface, 4);
wl_seat_add_listener(seat, &seat_listener, state);
state->seat = wl_registry_bind(registry, name, &wl_seat_interface, 4);
wl_seat_add_listener(state->seat, &seat_listener, state);
} else if (strcmp(interface, wl_data_device_manager_interface.name) == 0) {
state->data_device_manager = wl_registry_bind(registry, name,
&wl_data_device_manager_interface, 3);
} else if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
state->layer_shell = wl_registry_bind(registry, name,
&zwlr_layer_shell_v1_interface, 1);
@ -1016,8 +1062,15 @@ static void menu_init(struct menu_state *state) {
wl_registry_add_listener(registry, &registry_listener, state);
wl_display_roundtrip(state->display);
assert(state->compositor != NULL);
assert(state->layer_shell != NULL);
assert(state->shm != NULL);
assert(state->seat != NULL);
assert(state->data_device_manager != NULL);
assert(state->layer_shell != NULL);
// Get data device for seat
struct wl_data_device *data_device = wl_data_device_manager_get_data_device(
state->data_device_manager, state->seat);
wl_data_device_add_listener(data_device, &data_device_listener, state);
// Second roundtrip for xdg-output
wl_display_roundtrip(state->display);