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toplevel-capture: partial initial implementation

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Missing:
- xwayland child windows
- xwayland unmanaged windows, e.g. popups / menus / ...
- xdg child window positioning
- xdg subsurfaces (test-case: mate-terminal settings listboxes)
- xdg popup positioning
This commit is contained in:
Consolatis 2025-07-06 01:04:55 +02:00
parent 379f06b1e8
commit facf3856cb
8 changed files with 100 additions and 0 deletions
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49
src/server.c
View file

@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
#define _POSIX_C_SOURCE 200809L
#include "config.h"
#include <assert.h>
#include <signal.h>
#include <string.h>
#include <sys/wait.h>
@ -428,6 +429,39 @@ handle_renderer_lost(struct wl_listener *listener, void *data)
wlr_renderer_destroy(old_renderer);
}
static void
handle_toplevel_capture_source_destroy(struct wl_listener *listener, void *data)
{
struct view *view = wl_container_of(listener, view, capture.on_capture_source_destroy);
assert(view->capture.source);
view->capture.source = NULL;
wl_list_remove(&listener->link);
wl_list_init(&listener->link);
}
static void
handle_toplevel_capture_request(struct wl_listener *listener, void *data)
{
struct wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request *request = data;
struct view *view = request->toplevel_handle->data;
assert(view);
wlr_log(WLR_DEBUG, "Capturing toplevel %s", view->app_id);
if (!view->capture.source) {
view->capture.source = wlr_ext_image_capture_source_v1_create_with_scene_node(
&view->capture.scene->tree.node, server.wl_event_loop,
server.allocator, server.renderer);
assert(view->capture.source);
view->capture.on_capture_source_destroy.notify =
handle_toplevel_capture_source_destroy;
wl_signal_add(&view->capture.source->events.destroy,
&view->capture.on_capture_source_destroy);
}
wlr_ext_foreign_toplevel_image_capture_source_manager_v1_request_accept(
request, view->capture.source);
}
void
server_init(void)
{
@ -666,6 +700,19 @@ server_init(void)
wlr_screencopy_manager_v1_create(server.wl_display);
wlr_ext_image_copy_capture_manager_v1_create(server.wl_display, 1);
wlr_ext_output_image_capture_source_manager_v1_create(server.wl_display, 1);
server.toplevel_capture.manager =
wlr_ext_foreign_toplevel_image_capture_source_manager_v1_create(
server.wl_display, 1);
if (server.toplevel_capture.manager) {
server.toplevel_capture.on.new_request.notify = handle_toplevel_capture_request;
wl_signal_add(&server.toplevel_capture.manager->events.new_request,
&server.toplevel_capture.on.new_request);
} else {
/* Allow safe removal on shutdown */
wl_list_init(&server.toplevel_capture.on.new_request.link);
}
wlr_data_control_manager_v1_create(server.wl_display);
wlr_ext_data_control_manager_v1_create(server.wl_display,
LAB_EXT_DATA_CONTROL_VERSION);
@ -800,6 +847,8 @@ server_finish(void)
server.drm_lease_request.notify = NULL;
}
wl_list_remove(&server.toplevel_capture.on.new_request.link);
wlr_backend_destroy(server.backend);
wlr_allocator_destroy(server.allocator);