Initial pass on roots_input

backend/wayland/backend.c

@@ -35,6 +35,12 @@ static bool wlr_wl_backend_start(struct wlr_backend *_backend) {
 	struct wlr_wl_backend *backend = (struct wlr_wl_backend *)_backend;
 	wlr_log(L_INFO, "Initializating wayland backend");
 
+	wlr_wl_registry_poll(backend);
+	if (!(backend->compositor) || (!(backend->shell))) {
+		wlr_log_errno(L_ERROR, "Could not obtain retrieve required globals");
+		return false;
+	}
+
 	backend->started = true;
 	for (size_t i = 0; i < backend->requested_outputs; ++i) {
 		wlr_wl_output_create(&backend->backend);
@@ -139,12 +145,6 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
 		return false;
 	}
 
-	wlr_wl_registry_poll(backend);
-	if (!(backend->compositor) || (!(backend->shell))) {
-		wlr_log_errno(L_ERROR, "Could not obtain retrieve required globals");
-		return false;
-	}
-
 	wlr_egl_init(&backend->egl, EGL_PLATFORM_WAYLAND_EXT, backend->remote_display);
 	wlr_egl_bind_display(&backend->egl, backend->local_display);
 

include/rootston/input.h

@@ -6,6 +6,7 @@
 #include <wlr/types/wlr_cursor.h>
 #include <wlr/types/wlr_seat.h>
 #include <wlr/xcursor.h>
+#include "rootston/config.h"
 #include "rootston/view.h"
 
 struct roots_keyboard {
@@ -52,10 +53,10 @@ struct roots_tablet_tool {
 };
 
 enum roots_cursor_mode {
-	ROOTS_CURSOR_PASSTHROUGH,
-	ROOTS_CURSOR_MOVE,
-	ROOTS_CURSOR_RESIZE,
-	ROOTS_CURSOR_ROTATE,
+	ROOTS_CURSOR_PASSTHROUGH = 0,
+	ROOTS_CURSOR_MOVE = 1,
+	ROOTS_CURSOR_RESIZE = 2,
+	ROOTS_CURSOR_ROTATE = 3,
 };
 
 struct roots_input_event {
@@ -65,16 +66,15 @@ struct roots_input_event {
 };
 
 struct roots_input {
+	struct roots_config *config;
+
 	// TODO: multiseat, multicursor
 	struct wlr_cursor *cursor;
 	struct wlr_xcursor *xcursor;
 	struct wlr_seat *wl_seat;
 
 	enum roots_cursor_mode mode;
-	struct roots_view *focused_view;
-	struct roots_view *moving_view;
-	struct roots_view *resizing_view;
-	struct roots_view *rotating_view;
+	struct roots_view *active_view;
 	int offs_x, offs_y;
 
 	// Ring buffer of input events that could trigger move/resize/rotate
@@ -85,7 +85,13 @@ struct roots_input {
 	struct wl_list pointers;
 	struct wl_list touch;
 	struct wl_list tablet_tools;
-	struct wl_list tablet_pads;
+
+	struct wl_listener input_add;
+	struct wl_listener input_remove;
 };
 
+struct roots_input *input_create(struct roots_server *server,
+		struct roots_config *config);
+void input_destroy(struct roots_input *input);
+
 #endif

rootston/desktop.c

@@ -1,11 +1,12 @@
 #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_cursor.h>
+#include <wlr/types/wlr_gamma_control.h>
+#include <wlr/types/wlr_output_layout.h>
 #include <wlr/types/wlr_wl_shell.h>
 #include <wlr/types/wlr_xdg_shell_v6.h>
-#include <wlr/types/wlr_gamma_control.h>
 #include <wlr/util/log.h>
 #include "rootston/desktop.h"
 #include "rootston/server.h"
@@ -43,6 +44,9 @@ struct roots_desktop *desktop_create(struct roots_server *server,
 			server->wl_display, server->renderer);
 	desktop->wl_shell = wlr_wl_shell_create(server->wl_display);
 
+	wlr_cursor_attach_output_layout(server->input->cursor, desktop->layout);
+	wlr_cursor_map_to_region(server->input->cursor, config->cursor.mapped_box);
+
 	desktop->xdg_shell_v6 = wlr_xdg_shell_v6_create(server->wl_display);
 	wl_signal_add(&desktop->xdg_shell_v6->events.new_surface,
 		&desktop->xdg_shell_v6_surface);

rootston/input.c

@@ -0,0 +1,106 @@
+#include <assert.h>
+#include <stdlib.h>
+#include <wayland-server.h>
+#include <wlr/types/wlr_cursor.h>
+#include <wlr/util/log.h>
+#include <wlr/xcursor.h>
+#include "rootston/server.h"
+#include "rootston/config.h"
+#include "rootston/input.h"
+
+static const char *device_type(enum wlr_input_device_type type) {
+	switch (type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		return "keyboard";
+	case WLR_INPUT_DEVICE_POINTER:
+		return "pointer";
+	case WLR_INPUT_DEVICE_TOUCH:
+		return "touch";
+	case WLR_INPUT_DEVICE_TABLET_TOOL:
+		return "tablet tool";
+	case WLR_INPUT_DEVICE_TABLET_PAD:
+		return "tablet pad";
+	}
+	return NULL;
+}
+
+static void input_add_notify(struct wl_listener *listener, void *data) {
+	struct wlr_input_device *device = data;
+	struct roots_input *input = wl_container_of(listener, input, input_add);
+	wlr_log(L_DEBUG, "New input device: %s (%d:%d) %s", device->name,
+			device->vendor, device->product, device_type(device->type));
+	switch (device->type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		//keyboard_add(device, state);
+		break;
+	case WLR_INPUT_DEVICE_POINTER:
+		//pointer_add(device, state);
+		break;
+	case WLR_INPUT_DEVICE_TOUCH:
+		//touch_add(device, state);
+		break;
+	case WLR_INPUT_DEVICE_TABLET_TOOL:
+		//tablet_tool_add(device, state);
+		break;
+	default:
+		break;
+	}
+}
+
+static void input_remove_notify(struct wl_listener *listener, void *data) {
+	struct wlr_input_device *device = data;
+	struct roots_input *input = wl_container_of(listener, input, input_remove);
+	switch (device->type) {
+	case WLR_INPUT_DEVICE_KEYBOARD:
+		//keyboard_remove(device, state);
+		break;
+	case WLR_INPUT_DEVICE_POINTER:
+		//pointer_remove(device, state);
+		break;
+	case WLR_INPUT_DEVICE_TOUCH:
+		//touch_remove(device, state);
+		break;
+	case WLR_INPUT_DEVICE_TABLET_TOOL:
+		//tablet_tool_remove(device, state);
+		break;
+	default:
+		break;
+	}
+}
+
+struct roots_input *input_create(struct roots_server *server,
+		struct roots_config *config) {
+	wlr_log(L_DEBUG, "Initializing roots input");
+	struct roots_input *input = calloc(1, sizeof(struct roots_input));
+	assert(input);
+
+	input->config = config;
+	input->cursor = wlr_cursor_create();
+
+	struct wlr_xcursor_theme *theme;
+	assert(theme = wlr_xcursor_theme_load("default", 16));
+	assert(input->xcursor = wlr_xcursor_theme_get_cursor(theme, "left_ptr"));
+	wlr_cursor_set_xcursor(input->cursor, input->xcursor);
+	assert(input->wl_seat = wlr_seat_create(server->wl_display, "seat0"));
+
+	wl_list_init(&input->keyboards);
+	wl_list_init(&input->pointers);
+	wl_list_init(&input->touch);
+	wl_list_init(&input->tablet_tools);
+
+	wl_list_init(&input->input_add.link);
+	input->input_add.notify = input_add_notify;
+	wl_list_init(&input->input_remove.link);
+	input->input_remove.notify = input_remove_notify;
+
+	wl_signal_add(&server->backend->events.input_add,
+			&input->input_add);
+	wl_signal_add(&server->backend->events.input_remove,
+			&input->input_remove);
+
+	return input;
+}
+
+void input_destroy(struct roots_input *input) {
+	// TODO
+}

rootston/main.c

@@ -20,6 +20,7 @@ int main(int argc, char **argv) {
 
 	assert(server.renderer = wlr_gles2_renderer_create(server.backend));
 	wl_display_init_shm(server.wl_display);
+	server.input = input_create(&server, server.config);
 	server.desktop = desktop_create(&server, server.config);
 	server.data_device_manager = wlr_data_device_manager_create(
 			server.wl_display);

rootston/meson.build

@@ -3,6 +3,7 @@ executable(
 		'config.c',
 		'desktop.c',
 		'ini.c',
+		'input.c',
 		'main.c',
 		'output.c',
 	], dependencies: wlroots