HelenOS sources

root/uspace/lib/ui/test/scrollbar.c

DEFINITIONS

1. PCUT_TEST
2. PCUT_TEST
3. PCUT_TEST
4. PCUT_TEST
5. PCUT_TEST
6. PCUT_TEST
7. PCUT_TEST
8. PCUT_TEST
9. PCUT_TEST
10. PCUT_TEST
11. PCUT_TEST
12. PCUT_TEST
13. PCUT_TEST
14. PCUT_TEST
15. PCUT_TEST
16. PCUT_TEST
17. PCUT_TEST
18. PCUT_TEST
19. PCUT_TEST
20. PCUT_TEST
21. PCUT_TEST
22. PCUT_TEST
23. PCUT_TEST
24. PCUT_TEST
25. PCUT_TEST
26. PCUT_TEST
27. PCUT_TEST
28. test_scrollbar_up
29. test_scrollbar_down
30. test_scrollbar_page_up
31. test_scrollbar_page_down
32. test_scrollbar_moved

/*
 * Copyright (c) 2023 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 <mem.h>
#include <pcut/pcut.h>
#include <stdbool.h>
#include <ui/control.h>
#include <ui/scrollbar.h>
#include <ui/resource.h>
#include <ui/ui.h>
#include <ui/window.h>
#include "../private/pbutton.h"
#include "../private/scrollbar.h"

PCUT_INIT;

PCUT_TEST_SUITE(scrollbar);

static void test_scrollbar_up(ui_scrollbar_t *, void *);
static void test_scrollbar_down(ui_scrollbar_t *, void *);
static void test_scrollbar_page_up(ui_scrollbar_t *, void *);
static void test_scrollbar_page_down(ui_scrollbar_t *, void *);
static void test_scrollbar_moved(ui_scrollbar_t *, void *, gfx_coord_t);

static ui_scrollbar_cb_t test_scrollbar_cb = {
        .up = test_scrollbar_up,
        .down = test_scrollbar_down,
        .page_up = test_scrollbar_page_up,
        .page_down = test_scrollbar_page_down,
        .moved = test_scrollbar_moved
};

static ui_scrollbar_cb_t dummy_scrollbar_cb = {
};

typedef struct {
        bool up;
        bool down;
        bool page_up;
        bool page_down;
        bool moved;
        gfx_coord_t pos;
} test_cb_resp_t;

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

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(scrollbar);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

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

/** ui_scrollbar_ctl() returns control that has a working virtual destructor */
PCUT_TEST(ctl)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar = NULL;
        ui_control_t *control;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(scrollbar);

        control = ui_scrollbar_ctl(scrollbar);
        PCUT_ASSERT_NOT_NULL(control);

        ui_control_destroy(control);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Set scrollbar rectangle sets internal field */
PCUT_TEST(set_rect)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar = NULL;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);
        PCUT_ASSERT_NOT_NULL(scrollbar);

        rect.p0.x = 1;
        rect.p0.y = 2;
        rect.p1.x = 3;
        rect.p1.y = 4;

        ui_scrollbar_set_rect(scrollbar, &rect);
        PCUT_ASSERT_INT_EQUALS(rect.p0.x, scrollbar->rect.p0.x);
        PCUT_ASSERT_INT_EQUALS(rect.p0.y, scrollbar->rect.p0.y);
        PCUT_ASSERT_INT_EQUALS(rect.p1.x, scrollbar->rect.p1.x);
        PCUT_ASSERT_INT_EQUALS(rect.p1.y, scrollbar->rect.p1.y);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Paint scrollbar in graphics mode */
PCUT_TEST(paint_gfx)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rc = ui_scrollbar_paint_gfx(scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Paint scrollbar in text mode */
PCUT_TEST(paint_text_horiz)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 1;
        rect.p0.y = 1;
        rect.p1.x = 10;
        rect.p1.y = 2;
        ui_scrollbar_set_rect(scrollbar, &rect);

        rc = ui_scrollbar_paint_text(scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_get_geom() returns scrollbar geometry */
PCUT_TEST(get_geom)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        ui_scrollbar_geom_t geom;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 10;
        rect.p0.y = 10;
        rect.p1.x = 100;
        rect.p1.y = 30;
        ui_scrollbar_set_rect(scrollbar, &rect);

        ui_scrollbar_get_geom(scrollbar, &geom);
        PCUT_ASSERT_INT_EQUALS(11, geom.up_btn_rect.p0.x);
        PCUT_ASSERT_INT_EQUALS(11, geom.up_btn_rect.p0.y);
        PCUT_ASSERT_INT_EQUALS(99, geom.down_btn_rect.p1.x);
        PCUT_ASSERT_INT_EQUALS(29, geom.down_btn_rect.p1.y);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_trough_length() gives correct scrollbar trough length */
PCUT_TEST(trough_length)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        gfx_coord_t length;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        length = ui_scrollbar_trough_length(scrollbar);

        /* Total length minus buttons */
        PCUT_ASSERT_INT_EQUALS(110 - 10 - 2 * 21, length);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_move_length() gives correct scrollbar move length */
PCUT_TEST(move_length)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        gfx_coord_t length;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        length = ui_scrollbar_move_length(scrollbar);

        /* Total length minus buttons minus default thumb length */
        PCUT_ASSERT_INT_EQUALS(110 - 10 - 2 * 21 - 21, length);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_get_pos() returns scrollbar position */
PCUT_TEST(get_pos)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        gfx_coord_t pos;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        scrollbar->pos = 42;
        pos = ui_scrollbar_get_pos(scrollbar);
        PCUT_ASSERT_INT_EQUALS(42, pos);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_set_thumb_length() sets thumb length */
PCUT_TEST(set_thumb_length)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        ui_scrollbar_set_thumb_length(scrollbar, 42);
        PCUT_ASSERT_INT_EQUALS(42, scrollbar->thumb_len);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_set_pos() sets thumb position */
PCUT_TEST(set_pos)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        gfx_coord_t pos;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        ui_scrollbar_set_pos(scrollbar, -1);
        pos = ui_scrollbar_get_pos(scrollbar);
        /* The value is clipped to the minimum possible position (0) */
        PCUT_ASSERT_INT_EQUALS(0, pos);

        ui_scrollbar_set_pos(scrollbar, 12);
        pos = ui_scrollbar_get_pos(scrollbar);
        /* The value is set to the requested value */
        PCUT_ASSERT_INT_EQUALS(12, pos);

        ui_scrollbar_set_pos(scrollbar, 42);
        pos = ui_scrollbar_get_pos(scrollbar);
        /* The value is clipped to the maximum possible position (37) */
        PCUT_ASSERT_INT_EQUALS(37, pos);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Press and release scrollbar thumb */
PCUT_TEST(thumb_press_release)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        gfx_coord2_t pos;
        gfx_rect_t rect;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        resp.moved = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        pos.x = 11;
        pos.y = 22;

        ui_scrollbar_thumb_press(scrollbar, &pos);
        PCUT_ASSERT_TRUE(scrollbar->thumb_held);
        PCUT_ASSERT_FALSE(resp.moved);

        pos.x = 21;
        pos.y = 32;

        ui_scrollbar_release(scrollbar, &pos);
        PCUT_ASSERT_FALSE(scrollbar->thumb_held);
        PCUT_ASSERT_TRUE(resp.moved);
        PCUT_ASSERT_INT_EQUALS(10, scrollbar->pos);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Press, update and release scrollbar */
PCUT_TEST(thumb_press_update_release)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        gfx_coord2_t pos;
        gfx_rect_t rect;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        resp.moved = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        pos.x = 11;
        pos.y = 22;

        ui_scrollbar_thumb_press(scrollbar, &pos);
        PCUT_ASSERT_TRUE(scrollbar->thumb_held);
        PCUT_ASSERT_FALSE(resp.moved);

        pos.x = 21;
        pos.y = 32;

        ui_scrollbar_update(scrollbar, &pos);
        PCUT_ASSERT_TRUE(scrollbar->thumb_held);
        PCUT_ASSERT_TRUE(resp.moved);
        PCUT_ASSERT_INT_EQUALS(10, scrollbar->pos);

        pos.x = 31;
        pos.y = 42;

        ui_scrollbar_release(scrollbar, &pos);
        PCUT_ASSERT_FALSE(scrollbar->thumb_held);
        PCUT_ASSERT_TRUE(resp.moved);
        PCUT_ASSERT_INT_EQUALS(20, scrollbar->pos);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Press and release upper trough */
PCUT_TEST(upper_trough_press_release)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        gfx_coord2_t pos;
        gfx_rect_t rect;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        resp.page_up = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);

        PCUT_ASSERT_FALSE(scrollbar->upper_trough_held);

        ui_scrollbar_upper_trough_press(scrollbar);
        PCUT_ASSERT_TRUE(scrollbar->upper_trough_held);
        PCUT_ASSERT_TRUE(resp.page_up);

        /* Position does not matter here */
        pos.x = 11;
        pos.y = 22;

        ui_scrollbar_release(scrollbar, &pos);
        PCUT_ASSERT_FALSE(scrollbar->upper_trough_held);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Press and release lower trough */
PCUT_TEST(lower_trough_press_release)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        gfx_coord2_t pos;
        gfx_rect_t rect;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        resp.page_down = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);

        PCUT_ASSERT_FALSE(scrollbar->lower_trough_held);

        ui_scrollbar_lower_trough_press(scrollbar);
        PCUT_ASSERT_TRUE(scrollbar->lower_trough_held);
        PCUT_ASSERT_TRUE(resp.page_down);

        /* Position does not matter here */
        pos.x = 11;
        pos.y = 22;

        ui_scrollbar_release(scrollbar, &pos);
        PCUT_ASSERT_FALSE(scrollbar->lower_trough_held);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** Updating state of troughs when cursor or thumb moves */
PCUT_TEST(troughs_update)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        gfx_coord2_t pos;
        gfx_rect_t rect;
        ui_scrollbar_t *scrollbar;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        rect.p0.x = 10;
        rect.p0.y = 20;
        rect.p1.x = 110;
        rect.p1.y = 120;
        ui_scrollbar_set_rect(scrollbar, &rect);

        PCUT_ASSERT_FALSE(scrollbar->lower_trough_inside);

        pos.x = 60;
        pos.y = 22;

        ui_scrollbar_troughs_update(scrollbar, &pos);
        PCUT_ASSERT_TRUE(scrollbar->lower_trough_inside);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_up() delivers up event */
PCUT_TEST(up)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        /* Up with no callbacks set */
        ui_scrollbar_up(scrollbar);

        /* Up with callback not implementing up */
        ui_scrollbar_set_cb(scrollbar, &dummy_scrollbar_cb, NULL);
        ui_scrollbar_up(scrollbar);

        /* Up with real callback set */
        resp.up = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);
        ui_scrollbar_up(scrollbar);
        PCUT_ASSERT_TRUE(resp.up);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_down() delivers down event */
PCUT_TEST(down)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        /* Down with no callbacks set */
        ui_scrollbar_down(scrollbar);

        /* Down with callback not implementing down */
        ui_scrollbar_set_cb(scrollbar, &dummy_scrollbar_cb, NULL);
        ui_scrollbar_down(scrollbar);

        /* Down with real callback set */
        resp.down = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);
        ui_scrollbar_down(scrollbar);
        PCUT_ASSERT_TRUE(resp.down);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_page_up() delivers page up event */
PCUT_TEST(page_up)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        /* Page up with no callbacks set */
        ui_scrollbar_page_up(scrollbar);

        /* Pge up with callback not implementing page up */
        ui_scrollbar_set_cb(scrollbar, &dummy_scrollbar_cb, NULL);
        ui_scrollbar_page_up(scrollbar);

        /* Page up with real callback set */
        resp.page_up = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);
        ui_scrollbar_page_up(scrollbar);
        PCUT_ASSERT_TRUE(resp.page_up);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_page_down() delivers page down event */
PCUT_TEST(page_down)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        /* Page down with no callbacks set */
        ui_scrollbar_page_down(scrollbar);

        /* Page down with callback not implementing page down */
        ui_scrollbar_set_cb(scrollbar, &dummy_scrollbar_cb, NULL);
        ui_scrollbar_page_down(scrollbar);

        /* Page down with real callback set */
        resp.page_down = false;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);
        ui_scrollbar_page_down(scrollbar);
        PCUT_ASSERT_TRUE(resp.page_down);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_moved() delivers moved event */
PCUT_TEST(moved)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        test_cb_resp_t resp;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        /* Moved with no callbacks set */
        ui_scrollbar_moved(scrollbar, 42);

        /* Moved with callback not implementing moved */
        ui_scrollbar_set_cb(scrollbar, &dummy_scrollbar_cb, NULL);
        ui_scrollbar_moved(scrollbar, 42);

        /* Moved with real callback set */
        resp.moved = false;
        resp.pos = 0;
        ui_scrollbar_set_cb(scrollbar, &test_scrollbar_cb, &resp);
        ui_scrollbar_moved(scrollbar, 42);
        PCUT_ASSERT_TRUE(resp.moved);
        PCUT_ASSERT_INT_EQUALS(42, resp.pos);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_pos_event() detects thumb press/release */
PCUT_TEST(pos_event_press_release_thumb)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        ui_evclaim_t claim;
        pos_event_t event;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 20;
        rect.p0.y = 10;
        rect.p1.x = 100;
        rect.p1.y = 30;
        ui_scrollbar_set_rect(scrollbar, &rect);

        /* Press outside is not claimed and does nothing */
        event.type = POS_PRESS;
        event.hpos = 1;
        event.vpos = 2;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_FALSE(scrollbar->thumb_held);
        PCUT_ASSERT_EQUALS(ui_unclaimed, claim);

        /* Press inside thumb is claimed and depresses it */
        event.type = POS_PRESS;
        event.hpos = 50;
        event.vpos = 20;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_TRUE(scrollbar->thumb_held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        /* Release outside (or anywhere) is claimed and relases thumb */
        event.type = POS_RELEASE;
        event.hpos = 41;
        event.vpos = 32;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_FALSE(scrollbar->thumb_held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_pos_event() detects up button press/release */
PCUT_TEST(pos_event_press_release_up_btn)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        ui_evclaim_t claim;
        pos_event_t event;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 20;
        rect.p0.y = 10;
        rect.p1.x = 100;
        rect.p1.y = 30;
        ui_scrollbar_set_rect(scrollbar, &rect);

        /* Press inside up button is claimed and depresses it */
        event.type = POS_PRESS;
        event.hpos = 30;
        event.vpos = 20;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_TRUE(scrollbar->up_btn->held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_pos_event() detects upper trough press/release */
PCUT_TEST(pos_event_press_release_upper_trough)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        ui_evclaim_t claim;
        pos_event_t event;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->upper_trough_held);

        rect.p0.x = 20;
        rect.p0.y = 10;
        rect.p1.x = 100;
        rect.p1.y = 30;
        ui_scrollbar_set_rect(scrollbar, &rect);

        /* Need to move thumb so that upper trough can be accessed */
        ui_scrollbar_set_pos(scrollbar, 42);

        /* Press inside upper trough is claimed and depresses it */
        event.type = POS_PRESS;
        event.hpos = 50;
        event.vpos = 20;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_TRUE(scrollbar->upper_trough_held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        /* Release outside (or anywhere) is claimed and relases upper trough */
        event.type = POS_RELEASE;
        event.hpos = 41;
        event.vpos = 32;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_FALSE(scrollbar->upper_trough_held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_pos_event() detects lower trough press/release */
PCUT_TEST(pos_event_press_release_lower_trough)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        ui_evclaim_t claim;
        pos_event_t event;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->upper_trough_held);

        rect.p0.x = 20;
        rect.p0.y = 10;
        rect.p1.x = 100;
        rect.p1.y = 30;
        ui_scrollbar_set_rect(scrollbar, &rect);

        /* Press inside lower trough is claimed and depresses it */
        event.type = POS_PRESS;
        event.hpos = 70;
        event.vpos = 20;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_TRUE(scrollbar->lower_trough_held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        /* Release outside (or anywhere) is claimed and relases upper trough */
        event.type = POS_RELEASE;
        event.hpos = 41;
        event.vpos = 32;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_FALSE(scrollbar->lower_trough_held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

/** ui_scrollbar_pos_event() detects down button press/release */
PCUT_TEST(pos_event_press_relese_down_btn)
{
        ui_t *ui = NULL;
        ui_window_t *window = NULL;
        ui_wnd_params_t params;
        ui_scrollbar_t *scrollbar;
        ui_evclaim_t claim;
        pos_event_t event;
        gfx_rect_t rect;
        errno_t rc;

        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_scrollbar_create(ui, window, ui_sbd_horiz, &scrollbar);
        PCUT_ASSERT_ERRNO_VAL(EOK, rc);

        PCUT_ASSERT_FALSE(scrollbar->thumb_held);

        rect.p0.x = 20;
        rect.p0.y = 10;
        rect.p1.x = 100;
        rect.p1.y = 30;
        ui_scrollbar_set_rect(scrollbar, &rect);

        /* Press inside down button is claimed and depresses it */
        event.type = POS_PRESS;
        event.hpos = 90;
        event.vpos = 20;
        claim = ui_scrollbar_pos_event(scrollbar, &event);
        PCUT_ASSERT_TRUE(scrollbar->down_btn->held);
        PCUT_ASSERT_EQUALS(ui_claimed, claim);

        ui_scrollbar_destroy(scrollbar);
        ui_window_destroy(window);
        ui_destroy(ui);
}

static void test_scrollbar_up(ui_scrollbar_t *scrollbar, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->up = true;
}

static void test_scrollbar_down(ui_scrollbar_t *scrollbar, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->down = true;
}

static void test_scrollbar_page_up(ui_scrollbar_t *scrollbar, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->page_up = true;
}

static void test_scrollbar_page_down(ui_scrollbar_t *scrollbar, void *arg)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->page_down = true;
}

static void test_scrollbar_moved(ui_scrollbar_t *scrollbar, void *arg, gfx_coord_t pos)
{
        test_cb_resp_t *resp = (test_cb_resp_t *) arg;

        resp->moved = true;
        resp->pos = pos;
}

PCUT_EXPORT(scrollbar);