Made touch standalone

TODO test

2 files changed, 196 insertions, 36 deletions

diff --git a/examples/simple.c b/examples/simple.c
index 506f582e..7bf95601 100644
--- a/examples/simple.c
+++ b/examples/simple.c
@@ -103,7 +103,6 @@ void keyboard_key_notify(struct wl_listener *listener, void *data) {
 				wl_display_terminate(sample->display);
 			}
 	}
-	// TODO keyboard input
 }
 
 void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
diff --git a/examples/touch.c b/examples/touch.c
index 472ad41c..93905ffd 100644
--- a/examples/touch.c
+++ b/examples/touch.c
@@ -1,4 +1,4 @@
-#define _POSIX_C_SOURCE 199309L
+#define _POSIX_C_SOURCE 200112L
 #define _XOPEN_SOURCE 500
 #include <GLES2/gl2.h>
 #include <math.h>
@@ -12,18 +12,24 @@
 #include <wayland-server.h>
 #include <wlr/backend.h>
 #include <wlr/backend/session.h>
+#include <wlr/types/wlr_output.h>
 #include <wlr/render/wlr_renderer.h>
 #include <wlr/types/wlr_list.h>
+#include <wlr/types/wlr_input_device.h>
 #include <wlr/types/wlr_matrix.h>
 #include <wlr/util/log.h>
 #include <xkbcommon/xkbcommon.h>
 #include "cat.h"
-#include "support/shared.h"
 
 struct sample_state {
+	struct wl_display *display;
 	struct wlr_renderer *renderer;
 	struct wlr_texture *cat_texture;
 	struct wl_list touch_points;
+	struct timespec last_frame;
+	struct wl_listener new_output;
+	struct wl_listener new_input;
+	struct wl_list touch;
 };
 
 struct touch_point {
@@ -32,10 +38,38 @@ struct touch_point {
 	struct wl_list link;
 };
 
-static void handle_output_frame(struct output_state *output, struct timespec *ts) {
-	struct compositor_state *state = output->compositor;
-	struct sample_state *sample = state->data;
-	struct wlr_output *wlr_output = output->output;
+struct touch_state {
+	struct sample_state *sample;
+	struct wlr_input_device *device;
+	struct wl_listener destroy;
+	struct wl_listener down;
+	struct wl_listener up;
+	struct wl_listener motion;
+	struct wl_list link;
+	void *data;
+};
+
+struct sample_output {
+	struct sample_state *sample;
+	struct wlr_output *output;
+	struct wl_listener frame;
+	struct wl_listener destroy;
+};
+
+struct sample_keyboard {
+	struct sample_state *sample;
+	struct wlr_input_device *device;
+	struct wl_listener key;
+	struct wl_listener destroy;
+};
+
+static void output_frame_notify(struct wl_listener *listener, void *data) {
+	struct sample_output *sample_output = wl_container_of(listener, sample_output, frame);
+	struct sample_state *sample = sample_output->sample;
+	struct timespec now;
+	clock_gettime(CLOCK_MONOTONIC, &now);
+
+	struct wlr_output *wlr_output = sample_output->output;
 
 	int32_t width, height;
 	wlr_output_effective_resolution(wlr_output, &width, &height);
@@ -57,57 +91,176 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 
 	wlr_renderer_end(sample->renderer);
 	wlr_output_swap_buffers(wlr_output, NULL, NULL);
+	sample->last_frame = now;
 }
 
-static void handle_touch_down(struct touch_state *tstate,
-		int32_t touch_id, double x, double y) {
-	struct sample_state *sample = tstate->compositor->data;
+static void touch_down_notify(struct wl_listener *listener, void *data) {
+	struct wlr_event_touch_motion *event = data;
+	struct touch_state *tstate = wl_container_of(listener, tstate, down);
+	struct sample_state *sample = tstate->sample;
 	struct touch_point *point = calloc(1, sizeof(struct touch_point));
-	point->touch_id = touch_id;
-	point->x = x;
-	point->y = y;
+	point->touch_id = event->touch_id;
+	point->x = event->x;
+	point->y = event->y;
 	wl_list_insert(&sample->touch_points, &point->link);
 }
 
-static void handle_touch_up(struct touch_state *tstate, int32_t touch_id) {
-	struct sample_state *sample = tstate->compositor->data;
+static void touch_up_notify(struct wl_listener *listener, void *data ) {
+	struct wlr_event_touch_up *event = data;
+	struct touch_state *tstate = wl_container_of(listener, tstate, up);
+	struct sample_state *sample = tstate->sample;
 	struct touch_point *point, *tmp;
 	wl_list_for_each_safe(point, tmp, &sample->touch_points, link) {
-		if (point->touch_id == touch_id) {
+		if (point->touch_id == event->touch_id) {
 			wl_list_remove(&point->link);
 			break;
 		}
 	}
 }
 
-static void handle_touch_motion(struct touch_state *tstate,
-		int32_t touch_id, double x, double y) {
-	struct sample_state *sample = tstate->compositor->data;
+static void touch_motion_notify(struct wl_listener *listener, void *data) {
+	struct wlr_event_touch_motion *event = data;
+	struct touch_state *tstate = wl_container_of(listener, tstate, motion);
+	struct sample_state *sample = tstate->sample;
 	struct touch_point *point;
 	wl_list_for_each(point, &sample->touch_points, link) {
-		if (point->touch_id == touch_id) {
-			point->x = x;
-			point->y = y;
+		if (point->touch_id == event->touch_id) {
+			point->x = event->x;
+			point->y = event->y;
 			break;
 		}
 	}
 }
 
+static void touch_destroy_notify(struct wl_listener *listener, void *data) {
+	struct touch_state *tstate = wl_container_of(listener, tstate, destroy);
+	wl_list_remove(&tstate->link);
+	wl_list_remove(&tstate->destroy.link);
+	wl_list_remove(&tstate->down.link);
+	wl_list_remove(&tstate->up.link);
+	wl_list_remove(&tstate->motion.link);
+	free(tstate);
+}
+
+void output_remove_notify(struct wl_listener *listener, void *data) {
+	struct sample_output *sample_output = wl_container_of(listener, sample_output, destroy);
+	wl_list_remove(&sample_output->frame.link);
+	wl_list_remove(&sample_output->destroy.link);
+	free(sample_output);
+}
+
+void new_output_notify(struct wl_listener *listener, void *data) {
+	struct wlr_output *output = data;
+	struct sample_state *sample = wl_container_of(listener, sample, new_output);
+	struct sample_output *sample_output = calloc(1, sizeof(struct sample_output));
+	if (wl_list_length(&output->modes) > 0) {
+		struct wlr_output_mode *mode = wl_container_of((&output->modes)->prev, mode, link);
+		wlr_output_set_mode(output, mode);
+	}
+	sample_output->output = output;
+	sample_output->sample = sample;
+	wl_signal_add(&output->events.frame, &sample_output->frame);
+	sample_output->frame.notify = output_frame_notify;
+	wl_signal_add(&output->events.destroy, &sample_output->destroy);
+	sample_output->destroy.notify = output_remove_notify;
+}
+
+void keyboard_key_notify(struct wl_listener *listener, void *data) {
+	struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, key);
+	struct sample_state *sample = keyboard->sample;
+	struct wlr_event_keyboard_key *event = data;
+	uint32_t keycode = event->keycode + 8;
+	const xkb_keysym_t *syms;
+	int nsyms = xkb_state_key_get_syms(keyboard->device->keyboard->xkb_state,
+			keycode, &syms);
+	for (int i = 0; i < nsyms; i++) {
+		xkb_keysym_t sym = syms[i];
+		if (sym == XKB_KEY_Escape) {
+				wl_display_terminate(sample->display);
+			}
+	}
+}
+
+void keyboard_destroy_notify(struct wl_listener *listener, void *data) {
+	struct sample_keyboard *keyboard = wl_container_of(listener, keyboard, destroy);
+	wl_list_remove(&keyboard->destroy.link);
+	wl_list_remove(&keyboard->key.link);
+	free(keyboard);
+}
+
+void new_input_notify(struct wl_listener *listener, void *data) {
+	struct wlr_input_device *device = data;
+	struct sample_state *sample = wl_container_of(listener, sample, new_input);
+	struct sample_keyboard *keyboard;
+	struct xkb_rule_names rules;
+	struct xkb_context *context;
+	struct touch_state *tstate;
+	switch (device->type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		keyboard = calloc(1, sizeof(struct sample_keyboard));
+		keyboard->device = device;
+		keyboard->sample = sample;
+		wl_signal_add(&device->events.destroy, &keyboard->destroy);
+		keyboard->destroy.notify = keyboard_destroy_notify;
+		wl_signal_add(&device->keyboard->events.key, &keyboard->key);
+		keyboard->key.notify = keyboard_key_notify;
+		memset(&rules, 0, sizeof(rules));
+		rules.rules = getenv("XKB_DEFAULT_RULES");
+		rules.model = getenv("XKB_DEFAULT_MODEL");
+		rules.layout = getenv("XKB_DEFAULT_LAYOUT");
+		rules.variant = getenv("XKB_DEFAULT_VARIANT");
+		rules.options = getenv("XKB_DEFAULT_OPTIONS");
+		context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
+		if (!context) {
+			wlr_log(L_ERROR, "Failed to create XKB context");
+			exit(1);
+		}
+		wlr_keyboard_set_keymap(device->keyboard, xkb_map_new_from_names(context,
+					&rules, XKB_KEYMAP_COMPILE_NO_FLAGS));
+		xkb_context_unref(context);
+		break;
+	case WLR_INPUT_DEVICE_TOUCH:
+		tstate = calloc(sizeof(struct touch_state), 1);
+		tstate->device = device;
+		tstate->sample = sample;
+		tstate->destroy.notify = touch_destroy_notify;
+		wl_signal_add(&device->events.destroy, &tstate->destroy);
+		tstate->down.notify = touch_down_notify;
+		wl_signal_add(&device->touch->events.down, &tstate->down);
+		tstate->motion.notify = touch_motion_notify;
+		wl_signal_add(&device->touch->events.motion, &tstate->motion);
+		tstate->up.notify = touch_up_notify;
+		wl_signal_add(&device->touch->events.up, &tstate->up);
+		wl_list_insert(&sample->touch, &tstate->link);
+		break;
+	default:
+		break;
+	}
+}
+
+
 int main(int argc, char *argv[]) {
 	wlr_log_init(L_DEBUG, NULL);
-	struct sample_state state;
+	struct wl_display *display = wl_display_create();
+	struct sample_state state = {
+		.display = display
+	};
 	wl_list_init(&state.touch_points);
+	wl_list_init(&state.touch);
 
-	struct compositor_state compositor = { 0,
-		.data = &state,
-		.output_frame_cb = handle_output_frame,
-		.touch_down_cb = handle_touch_down,
-		.touch_up_cb = handle_touch_up,
-		.touch_motion_cb = handle_touch_motion,
-	};
-	compositor_init(&compositor);
+	struct wlr_backend *wlr = wlr_backend_autocreate(display);
+	if (!wlr) {
+		exit(1);
+	}
+
+	wl_signal_add(&wlr->events.new_output, &state.new_output);
+	state.new_output.notify = new_output_notify;
+	wl_signal_add(&wlr->events.new_input, &state.new_input);
+	state.new_input.notify = new_input_notify;
+	clock_gettime(CLOCK_MONOTONIC, &state.last_frame);
 
-	state.renderer = wlr_backend_get_renderer(compositor.backend);
+
+	state.renderer = wlr_backend_get_renderer(wlr);
 	if (!state.renderer) {
 		wlr_log(L_ERROR, "Could not start compositor, OOM");
 		exit(EXIT_FAILURE);
@@ -120,14 +273,22 @@ int main(int argc, char *argv[]) {
 		exit(EXIT_FAILURE);
 	}
 
-	if (!wlr_backend_start(compositor.backend)) {
+	const char *socket = wl_display_add_socket_auto(display);
+	if (!socket) {
+		wlr_log_errno(L_ERROR, "Unable to open wayland socket");
+		wlr_backend_destroy(wlr);
+		exit(1);
+	}
+	setenv("_WAYLAND_DISPLAY", socket, true);
+
+	if (!wlr_backend_start(wlr)) {
 		wlr_log(L_ERROR, "Failed to start backend");
-		wlr_backend_destroy(compositor.backend);
+		wlr_backend_destroy(wlr);
 		exit(1);
 	}
-	wl_display_run(compositor.display);
+	wl_display_run(display);
 
 	wlr_texture_destroy(state.cat_texture);
 	wlr_renderer_destroy(state.renderer);
-	compositor_fini(&compositor);
+	wl_display_destroy(display);
 }