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lvgl/port/lv_port_touchpad: add cursor display

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Signed-off-by: pengyiqiang <pengyiqiang@xiaomi.com>
This commit is contained in:
pengyiqiang 2023-02-16 16:22:33 +08:00 committed by Xiang Xiao
parent 78b7318a04
commit 8bee2e2fe0
2 changed files with 34 additions and 0 deletions
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5
graphics/lvgl/Kconfig
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@ -63,6 +63,11 @@ config LV_PORT_TOUCHPAD_DEFAULT_DEVICEPATH
string "Touchpad default device path"
default "/dev/input0"
config LV_PORT_TOUCHPAD_CURSOR_SIZE
depends on LV_PORT_USE_TOUCHPAD
int "Touchpad cursor size"
default 0
config LV_USE_ENCODER
depends on INPUT_MOUSE_WHEEL
bool "Encoder interface"

29
graphics/lvgl/port/lv_port_touchpad.c
View File

@ -128,6 +128,33 @@ static FAR lv_indev_t *touchpad_init(int fd)
return lv_indev_drv_register(&(touchpad_obj->indev_drv));
}
/****************************************************************************
* Name: touchpad_cursor_init
****************************************************************************/
static void touchpad_cursor_init(FAR lv_indev_t *indev, lv_coord_t size)
{
FAR lv_obj_t *cursor;
if (size <= 0)
{
return;
}
cursor = lv_obj_create(lv_layer_sys());
lv_obj_remove_style_all(cursor);
lv_obj_set_size(cursor, size, size);
lv_obj_set_style_translate_x(cursor, -size / 2, 0);
lv_obj_set_style_translate_y(cursor, -size / 2, 0);
lv_obj_set_style_radius(cursor, LV_RADIUS_CIRCLE, 0);
lv_obj_set_style_bg_opa(cursor, LV_OPA_50, 0);
lv_obj_set_style_bg_color(cursor, lv_color_black(), 0);
lv_obj_set_style_border_width(cursor, 2, 0);
lv_obj_set_style_border_color(cursor, lv_palette_main(LV_PALETTE_GREY), 0);
lv_indev_set_cursor(indev, cursor);
}
/****************************************************************************
* Public Functions
****************************************************************************/
@ -174,5 +201,7 @@ FAR lv_indev_t *lv_port_touchpad_init(FAR const char *dev_path)
close(fd);
}
touchpad_cursor_init(indev, CONFIG_LV_PORT_TOUCHPAD_CURSOR_SIZE);
return indev;
}