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				|  |  |  |  | #include <assert.h> | 
		
	
		
			
				|  |  |  |  | #include <stdlib.h> | 
		
	
		
			
				|  |  |  |  | #include <wlr/types/wlr_output_layout.h> | 
		
	
		
			
				|  |  |  |  | #include <wlr/types/wlr_output.h> | 
		
	
		
			
				|  |  |  |  | #include <wlr/types/wlr_xdg_output.h> | 
		
	
		
			
				|  |  |  |  | #include <wlr/util/log.h> | 
		
	
		
			
				|  |  |  |  | #include "xdg-output-unstable-v1-protocol.h" | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void xdg_output_destroy(struct wl_client *client, | 
		
	
		
			
				|  |  |  |  | 		struct wl_resource *resource) { | 
		
	
		
			
				|  |  |  |  | 	wl_resource_destroy(resource); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static const struct zxdg_output_v1_interface xdg_output_implementation = { | 
		
	
		
			
				|  |  |  |  | 	.destroy = xdg_output_destroy, | 
		
	
		
			
				|  |  |  |  | }; | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | static void xdg_output_manager_destroy(struct wl_client *client, | 
		
	
		
			
				|  |  |  |  | 		struct wl_resource *resource) { | 
		
	
		
			
				|  |  |  |  | 	wl_resource_destroy(resource); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static const struct zxdg_output_manager_v1_interface xdg_output_manager_implementation; | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void xdg_output_send_details(struct wl_resource *resource, | 
		
	
		
			
				|  |  |  |  | 		struct wlr_output_layout_output *layout_output) { | 
		
	
		
			
				|  |  |  |  | 	zxdg_output_v1_send_logical_position(resource, | 
		
	
		
			
				|  |  |  |  | 			layout_output->x, layout_output->y); | 
		
	
		
			
				|  |  |  |  | 	zxdg_output_v1_send_logical_size(resource, | 
		
	
		
			
				|  |  |  |  | 			(float)layout_output->output->width / layout_output->output->scale, | 
		
	
		
			
				|  |  |  |  | 			(float)layout_output->output->height / layout_output->output->scale); | 
		
	
		
			
				|  |  |  |  | 	zxdg_output_v1_send_done(resource); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void xdg_output_manager_get_xdg_output(struct wl_client *client, | 
		
	
		
			
				|  |  |  |  | 		struct wl_resource *resource, uint32_t id, struct wl_resource *output) { | 
		
	
		
			
				|  |  |  |  | 	assert(wl_resource_instance_of(resource, &zxdg_output_manager_v1_interface, | 
		
	
		
			
				|  |  |  |  | 			&xdg_output_manager_implementation)); | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output_manager *manager = | 
		
	
		
			
				|  |  |  |  | 		wl_resource_get_user_data(resource); | 
		
	
		
			
				|  |  |  |  | 	struct wlr_output_layout *layout = manager->layout; | 
		
	
		
			
				|  |  |  |  | 	struct wlr_output *wlr_output = wlr_output_from_resource(output); | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | 	struct wlr_output_layout_output *layout_output = | 
		
	
		
			
				|  |  |  |  | 		wlr_output_layout_get(layout, wlr_output); | 
		
	
		
			
				|  |  |  |  | 	assert(layout_output); | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | 	struct wl_resource *output_resource = wl_resource_create(client, | 
		
	
		
			
				|  |  |  |  | 			&zxdg_output_v1_interface, wl_resource_get_version(resource), id); | 
		
	
		
			
				|  |  |  |  | 	if (!output_resource) { | 
		
	
		
			
				|  |  |  |  | 		wl_client_post_no_memory(client); | 
		
	
		
			
				|  |  |  |  | 		return; | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | 	wl_resource_set_implementation(output_resource, | 
		
	
		
			
				|  |  |  |  | 			&xdg_output_implementation, NULL, NULL); | 
		
	
		
			
				|  |  |  |  | 	xdg_output_send_details(output_resource, layout_output); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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				|  |  |  |  | static const struct zxdg_output_manager_v1_interface xdg_output_manager_implementation = { | 
		
	
		
			
				|  |  |  |  | 	.destroy = xdg_output_manager_destroy, | 
		
	
		
			
				|  |  |  |  | 	.get_xdg_output = xdg_output_manager_get_xdg_output, | 
		
	
		
			
				|  |  |  |  | }; | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | static void output_manager_bind(struct wl_client *wl_client, void *data, | 
		
	
		
			
				|  |  |  |  | 		uint32_t version, uint32_t id) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output_manager *manager = data; | 
		
	
		
			
				|  |  |  |  | 	assert(wl_client && manager); | 
		
	
		
			
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				|  |  |  |  | 	struct wl_resource *wl_resource = wl_resource_create(wl_client, | 
		
	
		
			
				|  |  |  |  | 		&zxdg_output_manager_v1_interface, version, id); | 
		
	
		
			
				|  |  |  |  | 	if (wl_resource == NULL) { | 
		
	
		
			
				|  |  |  |  | 		wl_client_post_no_memory(wl_client); | 
		
	
		
			
				|  |  |  |  | 		return; | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | 	wl_resource_set_implementation(wl_resource, | 
		
	
		
			
				|  |  |  |  | 			&xdg_output_manager_implementation, manager, NULL); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void destroy_output(struct wlr_xdg_output *output) { | 
		
	
		
			
				|  |  |  |  | 	struct wl_resource *resource, *tmp; | 
		
	
		
			
				|  |  |  |  | 	wl_resource_for_each_safe(resource, tmp, &output->resources) { | 
		
	
		
			
				|  |  |  |  | 		wl_list_remove(wl_resource_get_link(resource)); | 
		
	
		
			
				|  |  |  |  | 		wl_list_init(wl_resource_get_link(resource)); | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | 	wl_list_remove(&output->destroy.link); | 
		
	
		
			
				|  |  |  |  | 	wl_list_remove(&output->link); | 
		
	
		
			
				|  |  |  |  | 	free(output); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void handle_output_destroy(struct wl_listener *listener, void *data) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output *output = wl_container_of(listener, output, destroy); | 
		
	
		
			
				|  |  |  |  | 	destroy_output(output); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void add_output(struct wlr_xdg_output_manager *manager, | 
		
	
		
			
				|  |  |  |  | 		struct wlr_output_layout_output *layout_output) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output *output = calloc(1, sizeof(struct wlr_xdg_output)); | 
		
	
		
			
				|  |  |  |  | 	wl_list_init(&output->resources); | 
		
	
		
			
				|  |  |  |  | 	output->manager = manager; | 
		
	
		
			
				|  |  |  |  | 	output->layout_output = layout_output; | 
		
	
		
			
				|  |  |  |  | 	output->destroy.notify = handle_output_destroy; | 
		
	
		
			
				|  |  |  |  | 	wl_signal_add(&layout_output->events.destroy, &output->destroy); | 
		
	
		
			
				|  |  |  |  | 	wl_list_insert(&manager->outputs, &output->link); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void xdg_output_manager_send_details( | 
		
	
		
			
				|  |  |  |  | 		struct wlr_xdg_output_manager *manager) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output *output; | 
		
	
		
			
				|  |  |  |  | 	wl_list_for_each(output, &manager->outputs, link) { | 
		
	
		
			
				|  |  |  |  | 		struct wl_resource *resource; | 
		
	
		
			
				|  |  |  |  | 		wl_resource_for_each(resource, &output->resources) { | 
		
	
		
			
				|  |  |  |  | 			xdg_output_send_details(resource, output->layout_output); | 
		
	
		
			
				|  |  |  |  | 		} | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void handle_layout_add(struct wl_listener *listener, void *data) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output_manager *manager = | 
		
	
		
			
				|  |  |  |  | 		wl_container_of(listener, manager, layout_add); | 
		
	
		
			
				|  |  |  |  | 	struct wlr_output_layout_output *layout_output = data; | 
		
	
		
			
				|  |  |  |  | 	add_output(manager, layout_output); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void handle_layout_change(struct wl_listener *listener, void *data) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output_manager *manager = | 
		
	
		
			
				|  |  |  |  | 		wl_container_of(listener, manager, layout_change); | 
		
	
		
			
				|  |  |  |  | 	xdg_output_manager_send_details(manager); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | static void handle_layout_destroy(struct wl_listener *listener, void *data) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output_manager *manager = | 
		
	
		
			
				|  |  |  |  | 		wl_container_of(listener, manager, layout_change); | 
		
	
		
			
				|  |  |  |  | 	wlr_xdg_output_manager_destroy(manager); | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | struct wlr_xdg_output_manager *wlr_xdg_output_manager_create( | 
		
	
		
			
				|  |  |  |  | 		struct wl_display *display, struct wlr_output_layout *layout) { | 
		
	
		
			
				|  |  |  |  | 	assert(display && layout); | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output_manager *manager = | 
		
	
		
			
				|  |  |  |  | 		calloc(1, sizeof(struct wlr_xdg_output_manager)); | 
		
	
		
			
				|  |  |  |  | 	if (manager == NULL) { | 
		
	
		
			
				|  |  |  |  | 		return NULL; | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | 	manager->layout = layout; | 
		
	
		
			
				|  |  |  |  | 	manager->global = wl_global_create(display, | 
		
	
		
			
				|  |  |  |  | 			&zxdg_output_manager_v1_interface, | 
		
	
		
			
				|  |  |  |  | 			1, manager, output_manager_bind); | 
		
	
		
			
				|  |  |  |  | 	if (!manager->global) { | 
		
	
		
			
				|  |  |  |  | 		free(manager); | 
		
	
		
			
				|  |  |  |  | 		return NULL; | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | 
 | 
		
	
		
			
				|  |  |  |  | 	wl_list_init(&manager->outputs); | 
		
	
		
			
				|  |  |  |  | 	struct wlr_output_layout_output *layout_output; | 
		
	
		
			
				|  |  |  |  | 	wl_list_for_each(layout_output, &layout->outputs, link) { | 
		
	
		
			
				|  |  |  |  | 		add_output(manager, layout_output); | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | 	manager->layout_add.notify = handle_layout_add; | 
		
	
		
			
				|  |  |  |  | 	wl_signal_add(&layout->events.add, &manager->layout_add); | 
		
	
		
			
				|  |  |  |  | 	manager->layout_change.notify = handle_layout_change; | 
		
	
		
			
				|  |  |  |  | 	wl_signal_add(&layout->events.change, &manager->layout_change); | 
		
	
		
			
				|  |  |  |  | 	manager->layout_destroy.notify = handle_layout_destroy; | 
		
	
		
			
				|  |  |  |  | 	wl_signal_add(&layout->events.destroy, &manager->layout_destroy); | 
		
	
		
			
				|  |  |  |  | 	return manager; | 
		
	
		
			
				|  |  |  |  | } | 
		
	
		
			
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 | 
		
	
		
			
				|  |  |  |  | void wlr_xdg_output_manager_destroy(struct wlr_xdg_output_manager *manager) { | 
		
	
		
			
				|  |  |  |  | 	struct wlr_xdg_output *output, *tmp; | 
		
	
		
			
				|  |  |  |  | 	wl_list_for_each_safe(output, tmp, &manager->outputs, link) { | 
		
	
		
			
				|  |  |  |  | 		destroy_output(output); | 
		
	
		
			
				|  |  |  |  | 	} | 
		
	
		
			
				|  |  |  |  | 	wl_list_remove(&manager->layout_add.link); | 
		
	
		
			
				|  |  |  |  | 	wl_list_remove(&manager->layout_change.link); | 
		
	
		
			
				|  |  |  |  | 	wl_list_remove(&manager->layout_destroy.link); | 
		
	
		
			
				|  |  |  |  | 	free(manager); | 
		
	
		
			
				|  |  |  |  | } |