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data-device: introduce drag manipulation functions

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This commit is contained in:
Kirill Primak 2023-07-22 19:36:18 +03:00
parent 42dc9fbee2
commit 58d5069349
2 changed files with 67 additions and 0 deletions
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14
include/wlr/types/wlr_data_device.h
View file

@ -210,6 +210,20 @@ void wlr_seat_start_pointer_drag(struct wlr_seat *seat, struct wlr_drag *drag,
void wlr_seat_start_touch_drag(struct wlr_seat *seat, struct wlr_drag *drag,
uint32_t serial, struct wlr_touch_point *point);
void wlr_drag_start(struct wlr_drag *drag);
void wlr_drag_enter(struct wlr_drag *drag, struct wlr_surface *surface,
double sx, double sy);
void wlr_drag_clear_focus(struct wlr_drag *drag);
void wlr_drag_send_motion(struct wlr_drag *drag, uint32_t time_msec,
double sx, double sy);
void wlr_drag_drop_and_destroy(struct wlr_drag *drag, uint32_t time_msec);
void wlr_drag_destroy(struct wlr_drag *drag);
/**
* Initializes the data source with the provided implementation.
*/

53
types/data_device/wlr_drag.c
View file

@ -10,6 +10,8 @@
#include <wlr/util/log.h>
#include "types/wlr_data_device.h"
// TODO: drop seat grabs
static void drag_handle_seat_client_destroy(struct wl_listener *listener,
void *data) {
struct wlr_drag *drag =
@ -539,3 +541,54 @@ void wlr_seat_start_touch_drag(struct wlr_seat *seat, struct wlr_drag *drag,
wlr_seat_start_drag(seat, drag, serial);
}
void wlr_drag_start(struct wlr_drag *drag) {
wlr_seat_start_drag(drag->seat, drag, 0);
}
void wlr_drag_enter(struct wlr_drag *drag, struct wlr_surface *surface,
double sx, double sy) {
drag_set_focus(drag, surface, sx, sy);
}
void wlr_drag_clear_focus(struct wlr_drag *drag) {
drag_set_focus(drag, NULL, 0, 0);
}
void wlr_drag_send_motion(struct wlr_drag *drag, uint32_t time_msec,
double sx, double sy) {
if (drag->focus != NULL && drag->focus_client != NULL) {
struct wl_resource *resource;
wl_resource_for_each(resource, &drag->focus_client->data_devices) {
wl_data_device_send_motion(resource, time_msec, wl_fixed_from_double(sx),
wl_fixed_from_double(sy));
}
struct wlr_drag_motion_event event = {
.drag = drag,
.time = time_msec,
.sx = sx,
.sy = sy,
};
wl_signal_emit_mutable(&drag->events.motion, &event);
}
}
void wlr_drag_drop_and_destroy(struct wlr_drag *drag, uint32_t time_msec) {
if (drag->source != NULL) {
if (drag->focus_client != NULL && drag->source->current_dnd_action &&
drag->source->accepted) {
drag_drop(drag, time_msec);
} else if (drag->source->impl->dnd_finish) {
// This will end the grab and free `drag`
wlr_data_source_destroy(drag->source);
return;
}
}
drag_destroy(drag);
}
void wlr_drag_destroy(struct wlr_drag *drag) {
drag_destroy(drag);
}