diff options
Diffstat (limited to 'src/wayland/drag.c')
| -rw-r--r-- | src/wayland/drag.c | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src/wayland/drag.c b/src/wayland/drag.c deleted file mode 100644 index 989dbb6..0000000 --- a/src/wayland/drag.c +++ /dev/null @@ -1,241 +0,0 @@ -#include "internal.h" - -static void icon_clear(struct drag_icon *icon) -{ - if (icon->viewport) wp_viewport_destroy(icon->viewport); - if (icon->surface) wl_surface_destroy(icon->surface); - if (icon->buffer) wl_buffer_destroy(icon->buffer); - if (icon->pool) wl_shm_pool_destroy(icon->pool); - if (icon->mapping) munmap(icon->mapping, icon->size); - if (icon->pool) close(icon->fd); - *icon = (struct drag_icon){0}; -} - -static bool icon_create(struct wayland_display *c, const struct yasl_drag_image *image) -{ - struct drag_icon *icon = &c->drag.icon; - size_t bytes; - if (!image->pixels || !buffer_size(image->size.x, image->size.y, &bytes)) - return false; - int fd = memfd_create("yasl_drag_icon", MFD_CLOEXEC | MFD_ALLOW_SEALING); - if (fd < 0) - return false; - void *mapping = MAP_FAILED; - if (ftruncate(fd, (off_t)bytes) == 0 && - fcntl(fd, F_ADD_SEALS, F_SEAL_SHRINK) == 0) - mapping = mmap(NULL, bytes, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); - if (mapping == MAP_FAILED) { - close(fd); - return false; - } - memcpy(mapping, image->pixels, bytes); - icon->mapping = mapping; - icon->size = bytes; - icon->pool = wl_shm_create_pool(c->shm, fd, (int32_t)bytes); - if (!icon->pool) { - close(fd); - icon_clear(icon); - return false; - } - icon->fd = fd; - icon->buffer = wl_shm_pool_create_buffer(icon->pool, 0, image->size.x, - image->size.y, image->size.x * 4, WL_SHM_FORMAT_ARGB8888); - icon->surface = wl_compositor_create_surface(c->compositor); - if (!icon->buffer || !icon->surface) { - icon_clear(icon); - return false; - } - return true; -} - -static void icon_show(struct wayland_display *c, const struct yasl_drag_image *image) -{ - struct drag_icon *icon = &c->drag.icon; - uint32_t scale = c->drag.scale_120; - if (c->viewporter) { - icon->viewport = wp_viewporter_get_viewport(c->viewporter, icon->surface); - if (icon->viewport) - wp_viewport_set_destination(icon->viewport, - yasl_scale_to_logical(image->size.x, scale), - yasl_scale_to_logical(image->size.y, scale)); - } else if (scale % YASL_SCALE_UNIT == 0 && - wl_proxy_get_version((struct wl_proxy *)icon->surface) >= - WL_SURFACE_SET_BUFFER_SCALE_SINCE_VERSION) { - wl_surface_set_buffer_scale(icon->surface, (int32_t)(scale / YASL_SCALE_UNIT)); - } - if (wl_proxy_get_version((struct wl_proxy *)icon->surface) >= - WL_SURFACE_OFFSET_SINCE_VERSION) - wl_surface_offset(icon->surface, - -yasl_scale_to_logical(image->hotspot.x, scale), - -yasl_scale_to_logical(image->hotspot.y, scale)); - wl_surface_attach(icon->surface, icon->buffer, 0, 0); - wl_surface_damage_buffer(icon->surface, 0, 0, image->size.x, image->size.y); - wl_surface_commit(icon->surface); -} - -static void drag_clear(struct wayland_display *c, bool ended) -{ - struct conn_drag *d = &c->drag; - if (d->toplevel) { - if (ended) - xdg_toplevel_drag_v1_destroy(d->toplevel); - else - wl_proxy_destroy((struct wl_proxy *)d->toplevel); - } - if (d->source) - wl_data_source_destroy(d->source); - icon_clear(&d->icon); - *d = (struct conn_drag){0}; -} - -static void drag_finish(struct wayland_display *c, enum yasl_drag_end how, bool ended) -{ - struct yasl_drag_listener l = c->drag.listener; - void *ud = c->drag.ud; - drag_clear(c, ended); - if (l.end) - l.end(ud, how); -} - -void conn_drag_end(struct wayland_display *c) -{ - if (c && c->drag.source) - drag_finish(c, YASL_DRAG_CANCELLED, false); -} - -static void source_target(void *ud, struct wl_data_source *s, const char *mime) { (void)ud; (void)s; (void)mime; } -static void source_send(void *ud, struct wl_data_source *s, const char *mime, int32_t fd) { (void)ud; (void)s; (void)mime; close(fd); } -static void source_action(void *ud, struct wl_data_source *s, uint32_t action) { (void)ud; (void)s; (void)action; } - -static void source_cancelled(void *ud, struct wl_data_source *s) -{ - (void)s; - struct wayland_display *c = ud; - bool released = c->drag.dropped; - drag_finish(c, released ? YASL_DRAG_DROPPED : YASL_DRAG_CANCELLED, true); -} - -static void source_dropped(void *ud, struct wl_data_source *s) -{ - (void)s; - ((struct wayland_display *)ud)->drag.dropped = true; -} - -static void source_finished(void *ud, struct wl_data_source *s) -{ - (void)s; - drag_finish(ud, YASL_DRAG_DROPPED, true); -} - -static const struct wl_data_source_listener source_listener = { - .target = source_target, - .send = source_send, - .cancelled = source_cancelled, - .dnd_drop_performed = source_dropped, - .dnd_finished = source_finished, - .action = source_action, -}; - -static struct seat *drag_seat(struct wayland_display *c, struct wayland_surface *origin) -{ - struct wayland_surface *root = surface_root(origin); - struct seat *active = conn_active_seat(c); - if (active && active->press_serial && - surface_root(active->press_surface) == root) - return active; - for (struct seat *s = c->seats; s; s = s->next) - if (s->press_serial && surface_root(s->press_surface) == root) - return s; - return NULL; -} - -bool wayland_display_drag_start(struct wayland_display *c, struct wayland_surface *origin, - const struct yasl_drag_image *image, - const struct yasl_drag_listener *l, void *ud) -{ - if (!c || !origin || origin->conn != c || !l || c->drag.source) - return false; - struct seat *seat = drag_seat(c, origin); - if (!seat) - return false; - struct wl_data_device *device = clipboard_data_device(seat->clipboard); - if (!device || wl_data_device_get_version(device) < 3) - return false; - c->drag.scale_120 = origin->scale_120; - if (image && !icon_create(c, image)) - return false; - struct wl_data_source *s = wl_data_device_manager_create_data_source(c->data_manager); - if (!s) { - icon_clear(&c->drag.icon); - return false; - } - c->drag.source = s; - c->drag.seat = seat; - c->drag.listener = *l; - c->drag.ud = ud; - wl_data_source_add_listener(s, &source_listener, c); - wl_data_source_offer(s, clipboard_drag_mime()); - wl_data_source_set_actions(s, WL_DATA_DEVICE_MANAGER_DND_ACTION_MOVE); - if (c->toplevel_drag_mgr) - c->drag.toplevel = xdg_toplevel_drag_manager_v1_get_xdg_toplevel_drag( - c->toplevel_drag_mgr, s); - wl_data_device_start_drag(device, s, seat->press_surface->surface, - c->drag.icon.surface, seat->press_serial); - if (image) - icon_show(c, image); - wl_display_flush(c->wl); - return true; -} - -void wayland_display_drag_cancel(struct wayland_display *c) -{ - if (c && c->drag.source) - drag_finish(c, YASL_DRAG_CANCELLED, false); -} - -bool wayland_surface_drag_carry(struct wayland_surface *w, struct yasl_vector2i offset) -{ - struct wayland_display *c = w ? w->conn : NULL; - if (!c || !c->drag.source || !c->drag.toplevel || !w->toplevel) - return false; - uint32_t scale = c->drag.scale_120; - xdg_toplevel_drag_v1_attach(c->drag.toplevel, w->toplevel, - yasl_scale_to_logical(offset.x, scale), - yasl_scale_to_logical(offset.y, scale)); - c->drag.carrying = true; - return true; -} - -bool wayland_surface_place_under_pointer(struct wayland_surface *w, struct yasl_vector2i at) -{ - (void)w; - (void)at; - return false; -} - -static struct yasl_vector2i drag_device_pos(const struct wayland_surface *w, double x, double y) -{ - double dx = x * w->scale_factor, dy = y * w->scale_factor; - return (struct yasl_vector2i){ - .x = (int)(dx < 0 ? dx - 0.5 : dx + 0.5), - .y = (int)(dy < 0 ? dy - 0.5 : dy + 0.5), - }; -} - -void conn_drop_target(struct wayland_display *c, enum yasl_drop_event ev, - struct wl_surface *on, double x, double y) -{ - struct wayland_surface *w = conn_surface_for(c, on); - if (!w || w->parent || !w->cbs->drop) - return; - w->cbs->drop(&w->base, ev, drag_device_pos(w, x, y), w->ud); -} - -void conn_drag_target(struct wayland_display *c, enum yasl_drag_event ev, - struct wl_surface *on, double x, double y) -{ - struct wayland_surface *w = conn_surface_for(c, on); - if (!w || w->parent || !w->cbs->drag) - return; - w->cbs->drag(&w->base, ev, drag_device_pos(w, x, y), w->ud); -} |