commit 216c87a77c1af2c1526d2084fde321fd331b7d83
Author: Nihal Jere <nihal@nihaljere.xyz>
Date: Mon, 21 Feb 2022 11:57:21 -0600
initial commit: paste a fixed string
Diffstat:
6 files changed, 420 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1,3 @@
+*.o
+protocol/*.[ch]
+waycopy
diff --git a/Makefile b/Makefile
@@ -0,0 +1,14 @@
+.c.o:
+ $(CC) -Wall -c $< -o $@
+
+waycopy: protocol/wlr-data-control-unstable-v1-client-protocol.h protocol/wlr-data-control-unstable-v1.o waycopy.o util.o
+ $(CC) protocol/wlr-data-control-unstable-v1.o waycopy.o util.o -lwayland-client -o waycopy
+
+protocol/wlr-data-control-unstable-v1.c:
+ wayland-scanner private-code protocol/wlr-data-control-unstable-v1.xml protocol/wlr-data-control-unstable-v1.c
+
+protocol/wlr-data-control-unstable-v1-client-protocol.h:
+ wayland-scanner client-header protocol/wlr-data-control-unstable-v1.xml protocol/wlr-data-control-unstable-v1-client-protocol.h
+
+clean:
+ rm -f *.o waycopy protocol/*.[och]
diff --git a/protocol/wlr-data-control-unstable-v1.xml b/protocol/wlr-data-control-unstable-v1.xml
@@ -0,0 +1,278 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<protocol name="wlr_data_control_unstable_v1">
+ <copyright>
+ Copyright © 2018 Simon Ser
+ Copyright © 2019 Ivan Molodetskikh
+
+ Permission to use, copy, modify, distribute, and sell this
+ software and its documentation for any purpose is hereby granted
+ without fee, provided that the above copyright notice appear in
+ all copies and that both that copyright notice and this permission
+ notice appear in supporting documentation, and that the name of
+ the copyright holders not be used in advertising or publicity
+ pertaining to distribution of the software without specific,
+ written prior permission. The copyright holders make no
+ representations about the suitability of this software for any
+ purpose. It is provided "as is" without express or implied
+ warranty.
+
+ THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+ THIS SOFTWARE.
+ </copyright>
+
+ <description summary="control data devices">
+ This protocol allows a privileged client to control data devices. In
+ particular, the client will be able to manage the current selection and take
+ the role of a clipboard manager.
+
+ Warning! The protocol described in this file is experimental and
+ backward incompatible changes may be made. Backward compatible changes
+ may be added together with the corresponding interface version bump.
+ Backward incompatible changes are done by bumping the version number in
+ the protocol and interface names and resetting the interface version.
+ Once the protocol is to be declared stable, the 'z' prefix and the
+ version number in the protocol and interface names are removed and the
+ interface version number is reset.
+ </description>
+
+ <interface name="zwlr_data_control_manager_v1" version="2">
+ <description summary="manager to control data devices">
+ This interface is a manager that allows creating per-seat data device
+ controls.
+ </description>
+
+ <request name="create_data_source">
+ <description summary="create a new data source">
+ Create a new data source.
+ </description>
+ <arg name="id" type="new_id" interface="zwlr_data_control_source_v1"
+ summary="data source to create"/>
+ </request>
+
+ <request name="get_data_device">
+ <description summary="get a data device for a seat">
+ Create a data device that can be used to manage a seat's selection.
+ </description>
+ <arg name="id" type="new_id" interface="zwlr_data_control_device_v1"/>
+ <arg name="seat" type="object" interface="wl_seat"/>
+ </request>
+
+ <request name="destroy" type="destructor">
+ <description summary="destroy the manager">
+ All objects created by the manager will still remain valid, until their
+ appropriate destroy request has been called.
+ </description>
+ </request>
+ </interface>
+
+ <interface name="zwlr_data_control_device_v1" version="2">
+ <description summary="manage a data device for a seat">
+ This interface allows a client to manage a seat's selection.
+
+ When the seat is destroyed, this object becomes inert.
+ </description>
+
+ <request name="set_selection">
+ <description summary="copy data to the selection">
+ This request asks the compositor to set the selection to the data from
+ the source on behalf of the client.
+
+ The given source may not be used in any further set_selection or
+ set_primary_selection requests. Attempting to use a previously used
+ source is a protocol error.
+
+ To unset the selection, set the source to NULL.
+ </description>
+ <arg name="source" type="object" interface="zwlr_data_control_source_v1"
+ allow-null="true"/>
+ </request>
+
+ <request name="destroy" type="destructor">
+ <description summary="destroy this data device">
+ Destroys the data device object.
+ </description>
+ </request>
+
+ <event name="data_offer">
+ <description summary="introduce a new wlr_data_control_offer">
+ The data_offer event introduces a new wlr_data_control_offer object,
+ which will subsequently be used in either the
+ wlr_data_control_device.selection event (for the regular clipboard
+ selections) or the wlr_data_control_device.primary_selection event (for
+ the primary clipboard selections). Immediately following the
+ wlr_data_control_device.data_offer event, the new data_offer object
+ will send out wlr_data_control_offer.offer events to describe the MIME
+ types it offers.
+ </description>
+ <arg name="id" type="new_id" interface="zwlr_data_control_offer_v1"/>
+ </event>
+
+ <event name="selection">
+ <description summary="advertise new selection">
+ The selection event is sent out to notify the client of a new
+ wlr_data_control_offer for the selection for this device. The
+ wlr_data_control_device.data_offer and the wlr_data_control_offer.offer
+ events are sent out immediately before this event to introduce the data
+ offer object. The selection event is sent to a client when a new
+ selection is set. The wlr_data_control_offer is valid until a new
+ wlr_data_control_offer or NULL is received. The client must destroy the
+ previous selection wlr_data_control_offer, if any, upon receiving this
+ event.
+
+ The first selection event is sent upon binding the
+ wlr_data_control_device object.
+ </description>
+ <arg name="id" type="object" interface="zwlr_data_control_offer_v1"
+ allow-null="true"/>
+ </event>
+
+ <event name="finished">
+ <description summary="this data control is no longer valid">
+ This data control object is no longer valid and should be destroyed by
+ the client.
+ </description>
+ </event>
+
+ <!-- Version 2 additions -->
+
+ <event name="primary_selection" since="2">
+ <description summary="advertise new primary selection">
+ The primary_selection event is sent out to notify the client of a new
+ wlr_data_control_offer for the primary selection for this device. The
+ wlr_data_control_device.data_offer and the wlr_data_control_offer.offer
+ events are sent out immediately before this event to introduce the data
+ offer object. The primary_selection event is sent to a client when a
+ new primary selection is set. The wlr_data_control_offer is valid until
+ a new wlr_data_control_offer or NULL is received. The client must
+ destroy the previous primary selection wlr_data_control_offer, if any,
+ upon receiving this event.
+
+ If the compositor supports primary selection, the first
+ primary_selection event is sent upon binding the
+ wlr_data_control_device object.
+ </description>
+ <arg name="id" type="object" interface="zwlr_data_control_offer_v1"
+ allow-null="true"/>
+ </event>
+
+ <request name="set_primary_selection" since="2">
+ <description summary="copy data to the primary selection">
+ This request asks the compositor to set the primary selection to the
+ data from the source on behalf of the client.
+
+ The given source may not be used in any further set_selection or
+ set_primary_selection requests. Attempting to use a previously used
+ source is a protocol error.
+
+ To unset the primary selection, set the source to NULL.
+
+ The compositor will ignore this request if it does not support primary
+ selection.
+ </description>
+ <arg name="source" type="object" interface="zwlr_data_control_source_v1"
+ allow-null="true"/>
+ </request>
+
+ <enum name="error" since="2">
+ <entry name="used_source" value="1"
+ summary="source given to set_selection or set_primary_selection was already used before"/>
+ </enum>
+ </interface>
+
+ <interface name="zwlr_data_control_source_v1" version="1">
+ <description summary="offer to transfer data">
+ The wlr_data_control_source object is the source side of a
+ wlr_data_control_offer. It is created by the source client in a data
+ transfer and provides a way to describe the offered data and a way to
+ respond to requests to transfer the data.
+ </description>
+
+ <enum name="error">
+ <entry name="invalid_offer" value="1"
+ summary="offer sent after wlr_data_control_device.set_selection"/>
+ </enum>
+
+ <request name="offer">
+ <description summary="add an offered MIME type">
+ This request adds a MIME type to the set of MIME types advertised to
+ targets. Can be called several times to offer multiple types.
+
+ Calling this after wlr_data_control_device.set_selection is a protocol
+ error.
+ </description>
+ <arg name="mime_type" type="string"
+ summary="MIME type offered by the data source"/>
+ </request>
+
+ <request name="destroy" type="destructor">
+ <description summary="destroy this source">
+ Destroys the data source object.
+ </description>
+ </request>
+
+ <event name="send">
+ <description summary="send the data">
+ Request for data from the client. Send the data as the specified MIME
+ type over the passed file descriptor, then close it.
+ </description>
+ <arg name="mime_type" type="string" summary="MIME type for the data"/>
+ <arg name="fd" type="fd" summary="file descriptor for the data"/>
+ </event>
+
+ <event name="cancelled">
+ <description summary="selection was cancelled">
+ This data source is no longer valid. The data source has been replaced
+ by another data source.
+
+ The client should clean up and destroy this data source.
+ </description>
+ </event>
+ </interface>
+
+ <interface name="zwlr_data_control_offer_v1" version="1">
+ <description summary="offer to transfer data">
+ A wlr_data_control_offer represents a piece of data offered for transfer
+ by another client (the source client). The offer describes the different
+ MIME types that the data can be converted to and provides the mechanism
+ for transferring the data directly from the source client.
+ </description>
+
+ <request name="receive">
+ <description summary="request that the data is transferred">
+ To transfer the offered data, the client issues this request and
+ indicates the MIME type it wants to receive. The transfer happens
+ through the passed file descriptor (typically created with the pipe
+ system call). The source client writes the data in the MIME type
+ representation requested and then closes the file descriptor.
+
+ The receiving client reads from the read end of the pipe until EOF and
+ then closes its end, at which point the transfer is complete.
+
+ This request may happen multiple times for different MIME types.
+ </description>
+ <arg name="mime_type" type="string"
+ summary="MIME type desired by receiver"/>
+ <arg name="fd" type="fd" summary="file descriptor for data transfer"/>
+ </request>
+
+ <request name="destroy" type="destructor">
+ <description summary="destroy this offer">
+ Destroys the data offer object.
+ </description>
+ </request>
+
+ <event name="offer">
+ <description summary="advertise offered MIME type">
+ Sent immediately after creating the wlr_data_control_offer object.
+ One event per offered MIME type.
+ </description>
+ <arg name="mime_type" type="string" summary="offered MIME type"/>
+ </event>
+ </interface>
+</protocol>
diff --git a/util.c b/util.c
@@ -0,0 +1,14 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "util.h"
+
+const char *argv0;
+
+void
+die(const char *const error)
+{
+ fprintf(stderr, "%s: %s\n", argv0, error);
+ exit(1);
+}
+
diff --git a/util.h b/util.h
@@ -0,0 +1 @@
+void die(const char *const error);
diff --git a/waycopy.c b/waycopy.c
@@ -0,0 +1,110 @@
+#include <assert.h>
+#include <string.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <wayland-client.h>
+#include <unistd.h>
+
+#include "protocol/wlr-data-control-unstable-v1-client-protocol.h"
+#include "util.h"
+
+extern const char *argv0;
+
+#define MIMETYPE_MAX_SIZE 256
+char mimetype[MIMETYPE_MAX_SIZE];
+
+struct zwlr_data_control_manager_v1 *data_control_manager;
+struct wl_seat *seat;
+
+int destfd;
+bool running = 1;
+
+void
+registry_global(void *data, struct wl_registry *registry, uint32_t name, const char *interface, uint32_t version)
+{
+ if (strcmp(interface, "wl_seat") == 0) {
+ seat = wl_registry_bind(registry, name, &wl_seat_interface, 1);
+ } else if (strcmp(interface, "zwlr_data_control_manager_v1") == 0) {
+ data_control_manager = wl_registry_bind(registry, name, &zwlr_data_control_manager_v1_interface, 1);
+ }
+}
+
+void
+registry_global_remove(void *data, struct wl_registry *registry, uint32_t name)
+{
+}
+
+static const struct wl_registry_listener registry_listener = {
+ .global = registry_global,
+ .global_remove = registry_global_remove,
+};
+
+void
+data_source_send(void *data, struct zwlr_data_control_source_v1 *source, const char *mime_type, int32_t fd)
+{
+ char *buf = "this is some text", *ptr = buf;
+ int len = strlen(buf);
+ while (len) {
+ int ret = write(fd, ptr, len);
+ if (ret == -1) {
+ fprintf(stderr, "write failed\n");
+ return;
+ }
+
+ len -= ret;
+ ptr += ret;
+ }
+
+ close(fd);
+}
+
+void
+data_source_cancelled(void *data, struct zwlr_data_control_source_v1 *source)
+{
+ running = 0;
+}
+
+static const struct zwlr_data_control_source_v1_listener data_source_listener = {
+ .send = data_source_send,
+ .cancelled = data_source_cancelled,
+};
+
+int
+main(int argc, const char *argv[])
+{
+ argv0 = argv[0];
+
+ struct wl_display *const display = wl_display_connect(NULL);
+ if (display == NULL)
+ die("failed to connect to display");
+
+ struct wl_registry *const registry = wl_display_get_registry(display);
+ if (registry == NULL)
+ die("failed to get registry");
+
+ wl_registry_add_listener(registry, ®istry_listener, NULL);
+
+ wl_display_roundtrip(display);
+
+ if (seat == NULL)
+ die("failed to bind to seat interface");
+
+ if (data_control_manager == NULL)
+ die("failed to bind to data_control_manager interface");
+
+ struct zwlr_data_control_device_v1 *device = zwlr_data_control_manager_v1_get_data_device(data_control_manager, seat);
+ if (device == NULL)
+ die("data device is null");
+
+ struct zwlr_data_control_source_v1 *source = zwlr_data_control_manager_v1_create_data_source(data_control_manager);
+ if (source == NULL)
+ die("source is null");
+
+ zwlr_data_control_source_v1_offer(source, "text/plain");
+ zwlr_data_control_source_v1_add_listener(source, &data_source_listener, NULL);
+ zwlr_data_control_device_v1_set_selection(device, source);
+
+ while (wl_display_dispatch(display) != -1 && running);
+
+ return 1;
+}
