source: mainline/uspace/lib/ui/test/window.c@ de227aba

/*
 * Copyright (c) 2021 Jiri Svoboda
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include <gfx/context.h>
#include <gfx/coord.h>
#include <gfx/render.h>
#include <io/kbd_event.h>
#include <io/pos_event.h>
#include <mem.h>
#include <pcut/pcut.h>
#include <stdbool.h>
#include <ui/control.h>
#include <ui/resource.h>
#include <ui/ui.h>
#include <ui/window.h>
#include "../private/window.h"

PCUT_INIT;

PCUT_TEST_SUITE(window);

static void test_window_close(ui_window_t *, void *);
static void test_window_focus(ui_window_t *, void *);
static void test_window_kbd(ui_window_t *, void *, kbd_event_t *);
static errno_t test_window_paint(ui_window_t *, void *);
static void test_window_pos(ui_window_t *, void *, pos_event_t *);
static void test_window_unfocus(ui_window_t *, void *);

static ui_window_cb_t test_window_cb = {
        .close = test_window_close,
        .focus = test_window_focus,
        .kbd = test_window_kbd,
        .paint = test_window_paint,
        .pos = test_window_pos,
        .unfocus = test_window_unfocus
};

static ui_window_cb_t dummy_window_cb = {
};

static errno_t test_ctl_paint(void *);
static ui_evclaim_t test_ctl_pos_event(void *, pos_event_t *);
static void test_ctl_unfocus(void *);

static ui_control_ops_t test_ctl_ops = {
        .paint = test_ctl_paint,
        .pos_event = test_ctl_pos_event,
        .unfocus = test_ctl_unfocus
};

typedef struct {
        errno_t rc;
        bool close;
        bool focus;
        bool kbd;
        kbd_event_t kbd_event;
        bool paint;
        bool pos;
        pos_event_t pos_event;
        bool unfocus;
} test_cb_resp_t;

typedef struct {
        errno_t rc;
        ui_evclaim_t claim;
        bool paint;
        bool pos;
        pos_event_t pos_event;
        bool unfocus;
} test_ctl_resp_t;

/** Create and destroy window */
PCUT_TEST(create_destroy)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_destroy() can take NULL argument (no-op) */
PCUT_TEST(destroy_null)
{
        ui_window_destroy(NULL);
}

/** ui_window_add()/ui_window_remove() ... */
PCUT_TEST(add_remove)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        ui_control_t *control = NULL;
        test_ctl_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        rc = ui_control_new(&test_ctl_ops, &resp, &control);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        /* Control not called since it hasn't been added yet */
        resp.rc = ENOMEM;
        resp.paint = false;
        rc = ui_window_def_paint(window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_FALSE(resp.paint);

        ui_window_add(window, control);

        /* Now paint request should be delivered to control */
        resp.rc = EOK;
        resp.paint = false;
        rc = ui_window_def_paint(window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_TRUE(resp.paint);

        ui_window_remove(window, control);

        /*
         * After having removed the control the request should no longer
         * be delivered to it.
         */
        resp.rc = ENOMEM;
        resp.paint = false;
        rc = ui_window_def_paint(window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_FALSE(resp.paint);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_resize */
PCUT_TEST(resize)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        gfx_rect_t nrect;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";
        params.rect.p0.x = 0;
        params.rect.p0.y = 0;
        params.rect.p1.x = 1;
        params.rect.p1.y = 1;

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        nrect.p0.x = -1;
        nrect.p0.y = -1;
        nrect.p1.x = 2;
        nrect.p1.y = 2;
        rc = ui_window_resize(window, &nrect);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_get_res/gc/rect() return valid objects */
PCUT_TEST(get_res_gc_rect)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        ui_resource_t *res;
        gfx_context_t *gc;
        gfx_rect_t rect;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        res = ui_window_get_res(window);
        PCUT_ASSERT_NOT_NULL(res);

        gc = ui_window_get_gc(window);
        PCUT_ASSERT_NOT_NULL(gc);

        ui_window_get_app_rect(window, &rect);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_get_app_gc() return valid GC */
PCUT_TEST(get_app_gc)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        gfx_context_t *gc;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";
        params.rect.p0.x = 0;
        params.rect.p0.y = 0;
        params.rect.p0.x = 100;
        params.rect.p0.y = 100;

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        rc = ui_window_get_app_gc(window, &gc);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(gc);

        rc = gfx_fill_rect(gc, &params.rect);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Test ui_window_paint() */
PCUT_TEST(paint)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        ui_window_paint(window);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Test ui_window_def_paint() */
PCUT_TEST(def_paint)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        ui_control_t *control = NULL;
        test_ctl_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        rc = ui_control_new(&test_ctl_ops, &resp, &control);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_window_add(window, control);

        resp.rc = EOK;
        resp.paint = false;
        rc = ui_window_def_paint(window);
        PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);
        PCUT_ASSERT_TRUE(resp.paint);

        resp.rc = ENOMEM;
        resp.paint = false;
        rc = ui_window_def_paint(window);
        PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);
        PCUT_ASSERT_TRUE(resp.paint);

        PCUT_ASSERT_TRUE(resp.paint);

        /* Need to remove first because we didn't implement the destructor */
        ui_window_remove(window, control);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_def_pos() delivers position event to control in window */
PCUT_TEST(def_pos)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        ui_control_t *control = NULL;
        test_ctl_resp_t resp;
        pos_event_t event;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rc = ui_control_new(&test_ctl_ops, &resp, &control);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_window_add(window, control);

        event.pos_id = 1;
        event.type = POS_PRESS;
        event.btn_num = 2;
        event.hpos = 3;
        event.vpos = 4;

        resp.pos = false;
        resp.claim = ui_claimed;

        ui_window_def_pos(window, &event);

        PCUT_ASSERT_TRUE(resp.pos);
        PCUT_ASSERT_INT_EQUALS(event.pos_id, resp.pos_event.pos_id);
        PCUT_ASSERT_INT_EQUALS(event.type, resp.pos_event.type);
        PCUT_ASSERT_INT_EQUALS(event.btn_num, resp.pos_event.btn_num);
        PCUT_ASSERT_INT_EQUALS(event.hpos, resp.pos_event.hpos);
        PCUT_ASSERT_INT_EQUALS(event.vpos, resp.pos_event.vpos);

        /* Need to remove first because we didn't implement the destructor */
        ui_window_remove(window, control);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_def_unfocus() delivers unfocus event to control in window */
PCUT_TEST(def_unfocus)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        ui_control_t *control = NULL;
        test_ctl_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rc = ui_control_new(&test_ctl_ops, &resp, &control);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_window_add(window, control);

        resp.unfocus = false;

        ui_window_def_unfocus(window);
        PCUT_ASSERT_TRUE(resp.unfocus);

        /* Need to remove first because we didn't implement the destructor */
        ui_window_remove(window, control);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_send_close() calls close callback set via ui_window_set_cb() */
PCUT_TEST(send_close)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        test_cb_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        /* Close callback with no callbacks set */
        ui_window_send_close(window);

        /* Close callback with close callback not implemented */
        ui_window_set_cb(window, &dummy_window_cb, NULL);
        ui_window_send_close(window);

        /* Close callback with real callback set */
        resp.close = false;
        ui_window_set_cb(window, &test_window_cb, &resp);
        ui_window_send_close(window);
        PCUT_ASSERT_TRUE(resp.close);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_send_focus() calls focus callback set via ui_window_set_cb() */
PCUT_TEST(send_focus)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        test_cb_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        /* Focus callback with no callbacks set */
        ui_window_send_focus(window);

        /* Focus callback with focus callback not implemented */
        ui_window_set_cb(window, &dummy_window_cb, NULL);
        ui_window_send_focus(window);

        /* Focus callback with real callback set */
        resp.focus = false;
        ui_window_set_cb(window, &test_window_cb, &resp);
        ui_window_send_focus(window);
        PCUT_ASSERT_TRUE(resp.focus);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_send_kbd() calls kbd callback set via ui_window_set_cb() */
PCUT_TEST(send_kbd)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        kbd_event_t kbd_event;
        test_cb_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        kbd_event.type = POS_PRESS;
        kbd_event.key = KC_X;
        kbd_event.mods = 0;
        kbd_event.c = 'x';

        /* Kbd callback with no callbacks set */
        ui_window_send_kbd(window, &kbd_event);

        /* Kbd callback with kbd callback not implemented */
        ui_window_set_cb(window, &dummy_window_cb, NULL);
        ui_window_send_kbd(window, &kbd_event);

        /* Kbd callback with real callback set */
        resp.kbd = false;
        ui_window_set_cb(window, &test_window_cb, &resp);
        ui_window_send_kbd(window, &kbd_event);
        PCUT_ASSERT_TRUE(resp.kbd);
        PCUT_ASSERT_EQUALS(kbd_event.type, resp.kbd_event.type);
        PCUT_ASSERT_INT_EQUALS(kbd_event.key, resp.kbd_event.key);
        PCUT_ASSERT_INT_EQUALS(kbd_event.mods, resp.kbd_event.mods);
        PCUT_ASSERT_INT_EQUALS(kbd_event.c, resp.kbd_event.c);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_send_paint() calls paint callback set via ui_window_set_cb() */
PCUT_TEST(send_paint)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        test_cb_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        /* Paint callback with no callbacks set */
        ui_window_send_paint(window);

        /* Paint callback with paint callback not implemented */
        ui_window_set_cb(window, &dummy_window_cb, NULL);
        ui_window_send_paint(window);

        /* Paint callback with real callback set */
        resp.paint = false;
        resp.rc = EOK;
        ui_window_set_cb(window, &test_window_cb, &resp);
        rc = ui_window_send_paint(window);
        PCUT_ASSERT_ERRNO_VAL(resp.rc, rc);
        PCUT_ASSERT_TRUE(resp.paint);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_send_pos() calls pos callback set via ui_window_set_cb() */
PCUT_TEST(send_pos)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        pos_event_t pos_event;
        test_cb_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        pos_event.pos_id = 1;
        pos_event.type = POS_PRESS;
        pos_event.btn_num = 2;
        pos_event.hpos = 3;
        pos_event.vpos = 4;

        /* Pos callback with no callbacks set */
        ui_window_send_pos(window, &pos_event);

        /* Pos callback with pos callback not implemented */
        ui_window_set_cb(window, &dummy_window_cb, NULL);
        ui_window_send_pos(window, &pos_event);

        /* Pos callback with real callback set */
        resp.pos = false;
        ui_window_set_cb(window, &test_window_cb, &resp);
        ui_window_send_pos(window, &pos_event);
        PCUT_ASSERT_TRUE(resp.pos);
        PCUT_ASSERT_INT_EQUALS(pos_event.pos_id, resp.pos_event.pos_id);
        PCUT_ASSERT_EQUALS(pos_event.type, resp.pos_event.type);
        PCUT_ASSERT_INT_EQUALS(pos_event.btn_num, resp.pos_event.btn_num);
        PCUT_ASSERT_INT_EQUALS(pos_event.hpos, resp.pos_event.hpos);
        PCUT_ASSERT_INT_EQUALS(pos_event.vpos, resp.pos_event.vpos);

        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_window_send_unfocus() calls unfocus callback set via ui_window_set_cb() */
PCUT_TEST(send_unfocus)
{
        errno_t rc;
        ui_t *ui = NULL;
        ui_wnd_params_t params;
        ui_window_t *window = NULL;
        test_cb_resp_t resp;

        rc = ui_create_disp(NULL, &ui);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_wnd_params_init(&params);
        params.caption = "Hello";

        rc = ui_window_create(ui, &params, &window);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(window);

        /* Unfocus callback with no callbacks set */
        ui_window_send_unfocus(window);

        /* Unfocus callback with unfocus callback not implemented */
        ui_window_set_cb(window, &dummy_window_cb, NULL);
        ui_window_send_unfocus(window);

        /* Unfocus callback with real callback set */
        resp.close = false;
        ui_window_set_cb(window, &test_window_cb, &resp);
        ui_window_send_unfocus(window);
        PCUT_ASSERT_TRUE(resp.unfocus);

        ui_window_destroy(window);
        ui_destroy(ui);
}

static void test_window_close(ui_window_t *window, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->close = true;
}

static void test_window_focus(ui_window_t *window, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->focus = true;
}

static void test_window_kbd(ui_window_t *window, void *arg,
    kbd_event_t *event)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->kbd = true;
        resp->kbd_event = *event;
}

static errno_t test_window_paint(ui_window_t *window, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->paint = true;
        return resp->rc;
}

static void test_window_pos(ui_window_t *window, void *arg,
    pos_event_t *event)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->pos = true;
        resp->pos_event = *event;
}

static void test_window_unfocus(ui_window_t *window, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->unfocus = true;
}

static errno_t test_ctl_paint(void *arg)
{
        test_ctl_resp_t *resp = (test_ctl_resp_t *) arg;

        resp->paint = true;
        return resp->rc;
}

static ui_evclaim_t test_ctl_pos_event(void *arg, pos_event_t *event)
{
        test_ctl_resp_t *resp = (test_ctl_resp_t *) arg;

        resp->pos = true;
        resp->pos_event = *event;

        return resp->claim;
}

static void test_ctl_unfocus(void *arg)
{
        test_ctl_resp_t *resp = (test_ctl_resp_t *) arg;

        resp->unfocus = true;
}

PCUT_EXPORT(window);