1 files changed, 101 insertions, 0 deletions
diff --git a/rootston/output.c b/rootston/output.c
new file mode 100644
index 00000000..39586e0e
--- /dev/null
+++ b/rootston/output.c
@@ -0,0 +1,101 @@
+#define _POSIX_C_SOURCE 199309L
+#include <time.h>
+#include <stdlib.h>
+#include <wlr/types/wlr_output_layout.h>
+#include <wlr/types/wlr_compositor.h>
+#include <wlr/types/wlr_wl_shell.h>
+#include <wlr/types/wlr_xdg_shell_v6.h>
+#include <wlr/util/log.h>
+#include "rootston/server.h"
+#include "rootston/desktop.h"
+#include "rootston/config.h"
+
+static void output_frame_notify(struct wl_listener *listener, void *data) {
+	struct wlr_output *wlr_output = data;
+	struct roots_output *output = wl_container_of(listener, output, frame);
+	struct roots_desktop *desktop = output->desktop;
+	struct roots_server *server = desktop->server;
+
+	struct timespec now;
+	clock_gettime(CLOCK_MONOTONIC, &now);
+
+	wlr_output_make_current(wlr_output);
+	wlr_renderer_begin(server->renderer, wlr_output);
+
+	// TODO: render views
+
+	wlr_renderer_end(server->renderer);
+	wlr_output_swap_buffers(wlr_output);
+
+	output->last_frame = desktop->last_frame = now;
+}
+
+void output_add_notify(struct wl_listener *listener, void *data) {
+	struct wlr_output *wlr_output = data;
+	struct roots_desktop *desktop = wl_container_of(listener, desktop, output_add);
+	struct roots_config *config = desktop->config;
+
+	wlr_log(L_DEBUG, "Output '%s' added", wlr_output->name);
+	wlr_log(L_DEBUG, "%s %s %"PRId32"mm x %"PRId32"mm",
+			wlr_output->make, wlr_output->model,
+			wlr_output->phys_width, wlr_output->phys_height);
+	if (wlr_output->modes->length > 0) {
+		wlr_output_set_mode(wlr_output, wlr_output->modes->items[0]);
+	}
+
+	struct roots_output *output = calloc(1, sizeof(struct roots_output));
+	clock_gettime(CLOCK_MONOTONIC, &output->last_frame);
+	output->desktop = desktop;
+	output->wlr_output = wlr_output;
+	output->frame.notify = output_frame_notify;
+	wl_list_init(&output->frame.link);
+	wl_signal_add(&wlr_output->events.frame, &output->frame);
+	wl_list_insert(&desktop->outputs, &output->link);
+
+	struct output_config *output_config = config_get_output(config, wlr_output);
+	if (output_config) {
+		wlr_output_transform(wlr_output, output_config->transform);
+		wlr_output_layout_add(desktop->layout,
+				wlr_output, output_config->x, output_config->y);
+	} else {
+		wlr_output_layout_add_auto(desktop->layout, wlr_output);
+	}
+
+	/* TODO: cursor
+	example_config_configure_cursor(sample->config, sample->cursor,
+		sample->compositor);
+
+	// TODO the cursor must be set depending on which surface it is displayed
+	// over which should happen in the compositor.
+	if (!wlr_output_set_cursor(wlr_output, image->buffer,
+			image->width, image->width, image->height)) {
+		wlr_log(L_DEBUG, "Failed to set hardware cursor");
+		return;
+	}
+
+	wlr_cursor_warp(sample->cursor, NULL, sample->cursor->x, sample->cursor->y);
+	*/
+}
+
+void output_remove_notify(struct wl_listener *listener, void *data) {
+	struct wlr_output *wlr_output = data;
+	struct roots_desktop *desktop = wl_container_of(listener, desktop, output_remove);
+	struct roots_output *output = NULL, *_output;
+	wl_list_for_each(_output, &desktop->outputs, link) {
+		if (_output->wlr_output == wlr_output) {
+			output = _output;
+			break;
+		}
+	}
+	if (!output) {
+		return; // We are unfamiliar with this output
+	}
+	wlr_output_layout_remove(desktop->layout, output->wlr_output);
+	// TODO: cursor
+	//example_config_configure_cursor(sample->config, sample->cursor,
+	//	sample->compositor);
+	wl_list_remove(&output->link);
+	wl_list_remove(&output->frame.link);
+	wl_list_remove(&output->resolution.link);
+	free(output);
+}