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/* This file is part of Owl.
*
* Copyright © 2019-2021 Sergey Bugaev <bugaevc@gmail.com>
*
* Owl is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published
* by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* Owl is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License
* along with Owl. If not, see <http://www.gnu.org/licenses/>.
*/
#import "OwlZwlrDataControlDeviceV1.h"
#import "wlr-data-control-unstable-v1.h"
#import "OwlZwlrDataControlSourceV1.h"
#import "OwlZwlrDataControlOfferV1.h"
#import "OwlSelection.h"
#import "OwlFeatures.h"
#import <wayland-server.h>
@implementation OwlZwlrDataControlDeviceV1
static void data_control_device_destroy(struct wl_resource *resource) {
OwlZwlrDataControlDeviceV1 *self = wl_resource_get_user_data(resource);
[self release];
}
static void data_control_device_set_selection_handler(
struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *source_resource
) {
OwlZwlrDataControlDeviceV1 *self = wl_resource_get_user_data(resource);
OwlZwlrDataControlSourceV1 *dataSource = nil;
if (source_resource != NULL) {
dataSource = (OwlZwlrDataControlSourceV1 *) wl_resource_get_user_data(source_resource);
}
[[OwlSelection clipboard] setDataSource: dataSource];
}
#ifdef OWL_PLATFORM_GNUSTEP
static void data_control_device_set_primary_selection_handler(
struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *source_resource
) {
OwlZwlrDataControlDeviceV1 *self = wl_resource_get_user_data(resource);
OwlZwlrDataControlSourceV1 *dataSource = nil;
if (source_resource != NULL) {
dataSource = (OwlZwlrDataControlSourceV1 *) wl_resource_get_user_data(source_resource);
}
[[OwlSelection primary] setDataSource: dataSource];
}
#endif
static void data_control_device_destroy_handler(
struct wl_client *client,
struct wl_resource *resource
) {
wl_resource_destroy(resource);
}
static const struct zwlr_data_control_device_v1_interface data_control_device_impl = {
.set_selection = data_control_device_set_selection_handler,
#ifdef OWL_PLATFORM_GNUSTEP
.set_primary_selection = data_control_device_set_primary_selection_handler,
#endif
.destroy = data_control_device_destroy_handler
};
- (id) initWithResource: (struct wl_resource *) resource {
self = [super initWithResource: resource];
wl_resource_set_implementation(
resource,
&data_control_device_impl,
[self retain],
data_control_device_destroy
);
[[OwlSelection clipboard] addDataDevice: self];
[self selectionChanged: [OwlSelection clipboard]];
#ifdef OWL_PLATFORM_GNUSTEP
[[OwlSelection primary] addDataDevice: self];
[self selectionChanged: [OwlSelection primary]];
#endif
return self;
}
- (void) dealloc {
[[OwlSelection clipboard] removeDataDevice: self];
#ifdef OWL_PLATFORM_GNUSTEP
[[OwlSelection primary] removeDataDevice: self];
#endif
[super dealloc];
}
- (void) sendOffer: (OwlZwlrDataControlOfferV1 *) offer
forSelection: (OwlSelection *) selection
{
struct wl_resource *offer_resource = [offer resource];
if (selection == [OwlSelection clipboard]) {
zwlr_data_control_device_v1_send_selection(_resource, offer_resource);
#ifdef OWL_PLATFORM_GNUSTEP
} else if (selection == [OwlSelection primary]) {
if (wl_resource_get_version(_resource) >= 2) {
zwlr_data_control_device_v1_send_primary_selection(
_resource,
offer_resource
);
}
#endif
} else {
[NSException raise: NSInternalInconsistencyException
format: @"Unexpected selection: %@", selection];
}
}
- (void) selectionChanged: (OwlSelection *) selection {
OwlDataSource *dataSource = [selection dataSource];
if (dataSource == nil) {
[self sendOffer: nil forSelection: selection];
return;
}
// Introduce a new offer to the client.
struct wl_resource *offer_resource = wl_resource_create(
wl_resource_get_client(_resource),
&zwlr_data_control_offer_v1_interface,
wl_resource_get_version(_resource),
0
);
zwlr_data_control_device_v1_send_data_offer(_resource, offer_resource);
// Creating an OwlDataOffer sends out the MIME types automatically.
OwlZwlrDataControlOfferV1 *offer =
[[OwlZwlrDataControlOfferV1 alloc] initWithResource: offer_resource
dataSource: dataSource];
[self sendOffer: offer forSelection: selection];
[offer release];
}
@end
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