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Merge pull request #1485 from emersion/data-device-serial 

primary-selection: add a serial argument
This commit is contained in:
emersion 2019-01-22 20:13:01 +01:00 committed by GitHub
parent 62658a318d 06467d2e12
commit 365a75139c
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GPG Key ID: 4AEE18F83AFDEB23
9 changed files with 32 additions and 19 deletions
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6
include/wlr/types/wlr_data_device.h
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@ -166,8 +166,10 @@ void wlr_data_device_manager_destroy(struct wlr_data_device_manager *manager);
void wlr_seat_client_send_selection(struct wlr_seat_client *seat_client);
/**
* Sets the current selection for the seat. This removes the previous one if
* there was any.
* Sets the current selection for the seat. NULL can be provided to clear it.
* This removes the previous one if there was any. In case the selection doesn't
* come from a client, wl_display_next_serial() can be used to generate a
* serial.
*/
void wlr_seat_set_selection(struct wlr_seat *seat,
struct wlr_data_source *source, uint32_t serial);

1
include/wlr/types/wlr_gtk_primary_selection.h
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@ -36,7 +36,6 @@ struct wlr_gtk_primary_selection_device {
struct wl_list resources; // wl_resource_get_link
struct wl_list offers; // wl_resource_get_link
uint32_t selection_serial;
struct wl_listener seat_destroy;
struct wl_listener seat_focus_change;

8
include/wlr/types/wlr_primary_selection.h
View File

@ -48,7 +48,13 @@ void wlr_primary_selection_source_send(
struct wlr_primary_selection_source *source, const char *mime_type,
int fd);
/**
* Sets the current primary selection for the seat. NULL can be provided to
* clear it. This removes the previous one if there was any. In case the
* selection doesn't come from a client, wl_display_next_serial() can be used to
* generate a serial.
*/
void wlr_seat_set_primary_selection(struct wlr_seat *seat,
struct wlr_primary_selection_source *source);
struct wlr_primary_selection_source *source, uint32_t serial);
#endif

1
include/wlr/types/wlr_seat.h
View File

@ -200,6 +200,7 @@ struct wlr_seat {
uint32_t selection_serial;
struct wlr_primary_selection_source *primary_selection_source;
uint32_t primary_selection_serial;
// `drag` goes away before `drag_source`, when the implicit grab ends
struct wlr_drag *drag;

3
types/seat/wlr_seat.c
View File

@ -163,7 +163,8 @@ void wlr_seat_destroy(struct wlr_seat *seat) {
seat->selection_source = NULL;
}
wlr_seat_set_primary_selection(seat, NULL);
wlr_seat_set_primary_selection(seat, NULL,
wl_display_next_serial(seat->display));
struct wlr_seat_client *client, *tmp;
wl_list_for_each_safe(client, tmp, &seat->clients, link) {

11
types/wlr_gtk_primary_selection.c
View File

@ -208,16 +208,7 @@ static void device_handle_set_selection(struct wl_client *client,
source = &client_source->source;
}
// TODO: improve serial validation
if (device->seat->primary_selection_source != NULL &&
device->selection_serial - serial < UINT32_MAX / 2) {
wlr_log(WLR_DEBUG, "Rejecting set_selection request, invalid serial "
"(%"PRIu32" <= %"PRIu32")", serial, device->selection_serial);
return;
}
device->selection_serial = serial;
wlr_seat_set_primary_selection(device->seat, source);
wlr_seat_set_primary_selection(device->seat, source, serial);
}
static void device_handle_destroy(struct wl_client *client,

12
types/wlr_primary_selection.c
View File

@ -1,6 +1,7 @@
#include <assert.h>
#include <stdlib.h>
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/util/log.h>
#include "util/signal.h"
void wlr_primary_selection_source_init(
@ -50,7 +51,14 @@ static void seat_handle_primary_selection_source_destroy(
}
void wlr_seat_set_primary_selection(struct wlr_seat *seat,
struct wlr_primary_selection_source *source) {
struct wlr_primary_selection_source *source, uint32_t serial) {
if (seat->primary_selection_source != NULL &&
seat->primary_selection_serial - serial < UINT32_MAX / 2) {
wlr_log(WLR_DEBUG, "Rejecting set_selection request, invalid serial "
"(%"PRIu32" <= %"PRIu32")", serial, seat->primary_selection_serial);
return;
}
if (seat->primary_selection_source != NULL) {
wl_list_remove(&seat->primary_selection_source_destroy.link);
wlr_primary_selection_source_destroy(seat->primary_selection_source);
@ -58,6 +66,8 @@ void wlr_seat_set_primary_selection(struct wlr_seat *seat,
}
seat->primary_selection_source = source;
seat->primary_selection_serial = serial;
if (source != NULL) {
seat->primary_selection_source_destroy.notify =
seat_handle_primary_selection_source_destroy;

6
xwayland/selection/incoming.c
View File

@ -370,7 +370,8 @@ static void xwm_selection_get_targets(struct wlr_xwm_selection *selection) {
bool ok = source_get_targets(selection, &source->base.mime_types,
&source->mime_types_atoms);
if (ok) {
wlr_seat_set_primary_selection(xwm->seat, &source->base);
wlr_seat_set_primary_selection(xwm->seat, &source->base,
wl_display_next_serial(xwm->xwayland->wl_display));
} else {
wlr_primary_selection_source_destroy(&source->base);
}
@ -427,7 +428,8 @@ int xwm_handle_xfixes_selection_notify(struct wlr_xwm *xwm,
wlr_seat_set_selection(xwm->seat, NULL,
wl_display_next_serial(xwm->xwayland->wl_display));
} else if (selection == &xwm->primary_selection) {
wlr_seat_set_primary_selection(xwm->seat, NULL);
wlr_seat_set_primary_selection(xwm->seat, NULL,
wl_display_next_serial(xwm->xwayland->wl_display));
} else if (selection == &xwm->dnd_selection) {
// TODO: DND
} else {

3
xwayland/selection/selection.c
View File

@ -231,7 +231,8 @@ void xwm_selection_finish(struct wlr_xwm *xwm) {
if (xwm->seat->primary_selection_source &&
primary_selection_source_is_xwayland(
xwm->seat->primary_selection_source)) {
wlr_seat_set_primary_selection(xwm->seat, NULL);
wlr_seat_set_primary_selection(xwm->seat, NULL,
wl_display_next_serial(xwm->xwayland->wl_display));
}
wlr_xwayland_set_seat(xwm->xwayland, NULL);
}