Implement clipboard paste support - wmenu - 🔧 fork of wmenu
(HTM) git clone git@git.drkhsh.at/wmenu.git
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---
(DIR) commit adf5cda6e18dd1b0ce9fbde71200f79a816ecb91
(DIR) parent e3da93aed8e9650a7c1a9b4e1c2e959cd47d7234
(HTM) Author: adnano <me@adnano.co>
Date: Fri, 28 Jul 2023 03:01:34 -0400
Implement clipboard paste support
References: https://todo.sr.ht/~adnano/wmenu/4
Diffstat:
M main.c | 69 +++++++++++++++++++++++++++----
1 file changed, 61 insertions(+), 8 deletions(-)
---
(DIR) diff --git a/main.c b/main.c
@@ -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, ®istry_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);