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data-device, primary-selection: add request_set_selection

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This makes compositors able to block and/or customize set_selection requests
coming from clients. For instance, it's possible for a compositor to disable
rich selection content (by removing all MIME types except text/plain). This
commit implements the design proposed in [1].

Two new events are added to wlr_seat: request_set_selection and
request_set_primary_selection. Compositors need to listen to these events and
either destroy the source or effectively set the selection.

Fixes https://github.com/swaywm/wlroots/issues/1138

[1]: https://github.com/swaywm/wlroots/issues/1367#issuecomment-442403454
This commit is contained in:
emersion 2018-11-29 19:30:04 +01:00
parent c41d01306d
commit 4cb0697e57
15 changed files with 142 additions and 63 deletions
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29
rootston/seat.c
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@ -7,9 +7,11 @@
#include <wayland-server.h>
#include <wlr/backend/libinput.h>
#include <wlr/config.h>
#include <wlr/types/wlr_data_device.h>
#include <wlr/types/wlr_idle.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include "wlr/types/wlr_switch.h"
#include <wlr/types/wlr_primary_selection.h>
#include <wlr/types/wlr_switch.h>
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/util/log.h>
@ -20,7 +22,6 @@
#include "rootston/text_input.h"
#include "rootston/xcursor.h"
static void handle_keyboard_key(struct wl_listener *listener, void *data) {
struct roots_keyboard *keyboard =
wl_container_of(listener, keyboard, keyboard_key);
@ -536,6 +537,22 @@ static void roots_seat_handle_new_drag_icon(struct wl_listener *listener,
roots_drag_icon_update_position(icon);
}
static void roots_seat_handle_request_set_selection(
struct wl_listener *listener, void *data) {
struct roots_seat *seat =
wl_container_of(listener, seat, request_set_selection);
struct wlr_seat_request_set_selection_event *event = data;
wlr_seat_set_selection(seat->seat, event->source, event->serial);
}
static void roots_seat_handle_request_set_primary_selection(
struct wl_listener *listener, void *data) {
struct roots_seat *seat =
wl_container_of(listener, seat, request_set_primary_selection);
struct wlr_seat_request_set_primary_selection_event *event = data;
wlr_seat_set_primary_selection(seat->seat, event->source, event->serial);
}
void roots_drag_icon_update_position(struct roots_drag_icon *icon) {
roots_drag_icon_damage_whole(icon);
@ -621,6 +638,14 @@ struct roots_seat *roots_seat_create(struct roots_input *input, char *name) {
wl_list_insert(&input->seats, &seat->link);
seat->request_set_selection.notify =
roots_seat_handle_request_set_selection;
wl_signal_add(&seat->seat->events.request_set_selection,
&seat->request_set_selection);
seat->request_set_primary_selection.notify =
roots_seat_handle_request_set_primary_selection;
wl_signal_add(&seat->seat->events.request_set_primary_selection,
&seat->request_set_primary_selection);
seat->new_drag_icon.notify = roots_seat_handle_new_drag_icon;
wl_signal_add(&seat->seat->events.new_drag_icon, &seat->new_drag_icon);
seat->destroy.notify = roots_seat_handle_destroy;