1 files changed, 242 insertions, 0 deletions

diff --git a/sway/input/seat.c b/sway/input/seat.c
new file mode 100644
index 00000000..1b25419b
--- /dev/null
+++ b/sway/input/seat.c
@@ -0,0 +1,242 @@
+#define _XOPEN_SOURCE 700
+#include <wlr/types/wlr_cursor.h>
+#include <wlr/types/wlr_xcursor_manager.h>
+#include "sway/input/seat.h"
+#include "sway/input/cursor.h"
+#include "sway/input/input-manager.h"
+#include "sway/input/keyboard.h"
+#include "sway/output.h"
+#include "sway/view.h"
+#include "log.h"
+
+static void seat_device_destroy(struct sway_seat_device *seat_device) {
+        if (!seat_device) {
+                return;
+        }
+
+        sway_keyboard_destroy(seat_device->keyboard);
+        wlr_cursor_detach_input_device(seat_device->sway_seat->cursor->cursor,
+                seat_device->input_device->wlr_device);
+        wl_list_remove(&seat_device->link);
+        free(seat_device);
+}
+
+struct sway_seat *sway_seat_create(struct sway_input_manager *input,
+                const char *seat_name) {
+        struct sway_seat *seat = calloc(1, sizeof(struct sway_seat));
+        if (!seat) {
+                return NULL;
+        }
+
+        seat->wlr_seat = wlr_seat_create(input->server->wl_display, seat_name);
+        if (!sway_assert(seat->wlr_seat, "could not allocate seat")) {
+                return NULL;
+        }
+
+        seat->cursor = sway_cursor_create(seat);
+        if (!seat->cursor) {
+                wlr_seat_destroy(seat->wlr_seat);
+                free(seat);
+                return NULL;
+        }
+
+        seat->input = input;
+        wl_list_init(&seat->devices);
+
+        wlr_seat_set_capabilities(seat->wlr_seat,
+                WL_SEAT_CAPABILITY_KEYBOARD |
+                WL_SEAT_CAPABILITY_POINTER |
+                WL_SEAT_CAPABILITY_TOUCH);
+
+        sway_seat_configure_xcursor(seat);
+
+        wl_list_insert(&input->seats, &seat->link);
+
+        return seat;
+}
+
+static void seat_configure_pointer(struct sway_seat *seat,
+                struct sway_seat_device *sway_device) {
+        // TODO pointer configuration
+        wlr_cursor_attach_input_device(seat->cursor->cursor,
+                sway_device->input_device->wlr_device);
+}
+
+static void seat_configure_keyboard(struct sway_seat *seat,
+                struct sway_seat_device *seat_device) {
+        if (!seat_device->keyboard) {
+                sway_keyboard_create(seat, seat_device);
+        }
+        sway_keyboard_configure(seat_device->keyboard);
+}
+
+static struct sway_seat_device *sway_seat_get_device(struct sway_seat *seat,
+                struct sway_input_device *input_device) {
+        struct sway_seat_device *seat_device = NULL;
+        wl_list_for_each(seat_device, &seat->devices, link) {
+                if (seat_device->input_device == input_device) {
+                        return seat_device;
+                }
+        }
+
+        return NULL;
+}
+
+void sway_seat_configure_device(struct sway_seat *seat,
+                struct sway_input_device *input_device) {
+        struct sway_seat_device *seat_device =
+                sway_seat_get_device(seat, input_device);
+        if (!seat_device) {
+                return;
+        }
+
+        if (seat->config) {
+                seat_device->attachment_config =
+                        seat_config_get_attachment(seat->config, input_device->identifier);
+        }
+
+        switch (input_device->wlr_device->type) {
+                case WLR_INPUT_DEVICE_POINTER:
+                        seat_configure_pointer(seat, seat_device);
+                        break;
+                case WLR_INPUT_DEVICE_KEYBOARD:
+                        seat_configure_keyboard(seat, seat_device);
+                        wlr_seat_set_keyboard(seat->wlr_seat,
+                                seat_device->input_device->wlr_device);
+                        break;
+                case WLR_INPUT_DEVICE_TOUCH:
+                case WLR_INPUT_DEVICE_TABLET_PAD:
+                case WLR_INPUT_DEVICE_TABLET_TOOL:
+                        sway_log(L_DEBUG, "TODO: configure other devices");
+                        break;
+        }
+}
+
+void sway_seat_add_device(struct sway_seat *seat,
+                struct sway_input_device *input_device) {
+        if (sway_seat_get_device(seat, input_device)) {
+                return;
+        }
+
+        struct sway_seat_device *seat_device =
+                calloc(1, sizeof(struct sway_seat_device));
+        if (!seat_device) {
+                sway_log(L_DEBUG, "could not allocate seat device");
+                return;
+        }
+
+        seat_device->sway_seat = seat;
+        seat_device->input_device = input_device;
+        wl_list_insert(&seat->devices, &seat_device->link);
+
+        sway_seat_configure_device(seat, input_device);
+}
+
+void sway_seat_remove_device(struct sway_seat *seat,
+                struct sway_input_device *input_device) {
+        sway_log(L_DEBUG, "input remove: %s", input_device->identifier);
+        struct sway_seat_device *seat_device =
+                sway_seat_get_device(seat, input_device);
+
+        if (!seat_device) {
+                return;
+        }
+
+        seat_device_destroy(seat_device);
+}
+
+void sway_seat_configure_xcursor(struct sway_seat *seat) {
+        // TODO configure theme and size
+        const char *cursor_theme = "default";
+
+        if (!seat->cursor->xcursor_manager) {
+                seat->cursor->xcursor_manager =
+                        wlr_xcursor_manager_create("default", 24);
+                if (sway_assert(seat->cursor->xcursor_manager,
+                                        "Cannot create XCursor manager for theme %s",
+                                        cursor_theme)) {
+                        return;
+                }
+        }
+
+        for (int i = 0; i < root_container.children->length; ++i) {
+                swayc_t *output_container = root_container.children->items[i];
+                struct wlr_output *output =
+                        output_container->sway_output->wlr_output;
+                bool result =
+                        wlr_xcursor_manager_load(seat->cursor->xcursor_manager,
+                                output->scale);
+
+                sway_assert(!result,
+                        "Cannot load xcursor theme for output '%s' with scale %d",
+                        output->name, output->scale);
+        }
+
+        wlr_xcursor_manager_set_cursor_image(seat->cursor->xcursor_manager,
+                "left_ptr", seat->cursor->cursor);
+        wlr_cursor_warp(seat->cursor->cursor, NULL, seat->cursor->cursor->x,
+                seat->cursor->cursor->y);
+}
+
+static void handle_focus_destroy(struct wl_listener *listener, void *data) {
+        struct sway_seat *seat = wl_container_of(listener, seat, focus_destroy);
+        //swayc_t *container = data;
+
+        // TODO set new focus based on the state of the tree
+        sway_seat_set_focus(seat, NULL);
+}
+
+void sway_seat_set_focus(struct sway_seat *seat, swayc_t *container) {
+        swayc_t *last_focus = seat->focus;
+
+        if (last_focus == container) {
+                return;
+        }
+
+        if (last_focus) {
+                wl_list_remove(&seat->focus_destroy.link);
+        }
+
+        if (container) {
+                struct sway_view *view = container->sway_view;
+                view->iface.set_activated(view, true);
+                wl_signal_add(&container->events.destroy, &seat->focus_destroy);
+                seat->focus_destroy.notify = handle_focus_destroy;
+                wlr_seat_keyboard_notify_enter(seat->wlr_seat, view->surface);
+        }
+
+        seat->focus = container;
+
+        if (last_focus &&
+                        !sway_input_manager_has_focus(seat->input, last_focus)) {
+                struct sway_view *view = last_focus->sway_view;
+                view->iface.set_activated(view, false);
+
+        }
+}
+
+void sway_seat_set_config(struct sway_seat *seat,
+                struct seat_config *seat_config) {
+        // clear configs
+        seat->config = NULL;
+
+        struct sway_seat_device *seat_device = NULL;
+        wl_list_for_each(seat_device, &seat->devices, link) {
+                seat_device->attachment_config = NULL;
+        }
+
+        if (!seat_config) {
+                return;
+        }
+
+        // add configs
+        seat->config = seat_config;
+
+        wl_list_for_each(seat_device, &seat->devices, link) {
+                seat_device->attachment_config =
+                        seat_config_get_attachment(seat_config,
+                                seat_device->input_device->identifier);
+                sway_seat_configure_device(seat, seat_device->input_device);
+        }
+
+}