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mirror of https://github.com/lvgl/lvgl.git synced 2025-01-28 07:03:00 +08:00

lv_group: click_focus improvements

This commit is contained in:
Gabor Kiss-Vamosi 2018-07-13 00:37:28 +02:00
parent 43ec140124
commit fecc974ade
6 changed files with 125 additions and 39 deletions

View File

@ -75,6 +75,17 @@ lv_indev_t * lv_indev_get_act(void)
return indev_act;
}
/**
* Get the type of an input device
* @param indev pointer to an input device
* @return the type of the input device from `lv_hal_indev_type_t` (`LV_INDEV_TYPE_...`)
*/
lv_hal_indev_type_t lv_indev_get_type(lv_indev_t * indev)
{
if(indev == NULL) return LV_INDEV_TYPE_NONE;
return indev->driver.type;
}
/**
* Reset one or all input devices
* @param indev pointer to an input device to reset or NULL to reset all of them
@ -162,8 +173,8 @@ void lv_indev_set_button_points(lv_indev_t * indev, lv_point_t * points)
void lv_indev_get_point(lv_indev_t * indev, lv_point_t * point)
{
if(indev->driver.type != LV_INDEV_TYPE_POINTER && indev->driver.type != LV_INDEV_TYPE_BUTTON) {
point->x = 0;
point->y = 0;
point->x = -1;
point->y = -1;
} else {
point->x = indev->proc.act_point.x;
point->y = indev->proc.act_point.y;

View File

@ -40,6 +40,14 @@ void lv_indev_init(void);
*/
lv_indev_t * lv_indev_get_act(void);
/**
* Get the type of an input device
* @param indev pointer to an input device
* @return the type of the input device from `lv_hal_indev_type_t` (`LV_INDEV_TYPE_...`)
*/
lv_hal_indev_type_t lv_indev_get_type(lv_indev_t * indev);
/**
* Reset one or all input devices
* @param indev pointer to an input device to reset or NULL to reset all of them

View File

@ -1479,6 +1479,20 @@ void * lv_obj_get_group(lv_obj_t * obj)
{
return obj->group_p;
}
/**
* Tell whether the ohe object is the focused object of a group or not.
* @param obj pointer to an object
* @return true: the object is focused, false: the object is not focused or not in a group
*/
bool lv_obj_is_focused(lv_obj_t * obj)
{
if(obj->group_p) {
if(lv_group_get_focused(obj->group_p) == obj) return true;
}
return false;
}
#endif
/**********************

View File

@ -745,6 +745,15 @@ void * lv_obj_get_free_ptr(lv_obj_t * obj);
* @return the pointer to group of the object
*/
void * lv_obj_get_group(lv_obj_t * obj);
/**
* Tell whether the ohe object is the focused object of a group or not.
* @param obj pointer to an object
* @return true: the object is focused, false: the object is not focused or not in a group
*/
bool lv_obj_is_focused(lv_obj_t * obj);
#endif

View File

@ -585,7 +585,17 @@ static lv_res_t lv_btnm_signal(lv_obj_t * btnm, lv_signal_t sign, void * param)
ext->btn_id_pr = LV_BTNM_PR_NONE;
lv_obj_invalidate(btnm);
} else if(sign == LV_SIGNAL_FOCUS) {
#if USE_LV_GROUP
lv_indev_t * indev = lv_indev_get_act();
if(lv_obj_is_focused(btnm) && lv_indev_get_type(indev) == LV_INDEV_TYPE_POINTER) {
lv_point_t p;
lv_indev_get_point(indev, &p);
uint16_t btn_i = get_button_from_point(btnm, &p);
ext->btn_id_pr = btn_i;
}
#else
ext->btn_id_pr = 0;
#endif
lv_obj_invalidate(btnm);
} else if(sign == LV_SIGNAL_CONTROLL) {
char c = *((char *)param);

View File

@ -38,6 +38,7 @@
static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param);
static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * param);
static lv_obj_t * get_next_btn(lv_obj_t * list, lv_obj_t * prev_btn);
static lv_obj_t * get_prev_btn(lv_obj_t * list, lv_obj_t * prev_btn);
static void refr_btn_width(lv_obj_t * list);
/**********************
@ -49,6 +50,10 @@ static lv_signal_func_t img_signal;
static lv_signal_func_t label_signal;
static lv_signal_func_t ancestor_page_signal;
static lv_signal_func_t ancestor_btn_signal;
#if USE_LV_GROUP
/*Used to make the last clicked button pressed (selected) when the list become focused and `click_focus == 1`*/
static lv_obj_t * last_clicked_btn;
#endif
/**********************
* MACROS
@ -527,17 +532,22 @@ static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
/*Because of the possible change of horizontal and vertical padding refresh buttons width */
refr_btn_width(list);
} else if(sign == LV_SIGNAL_FOCUS) {
/*Get the first button*/
lv_obj_t * btn = NULL;
lv_obj_t * btn_prev = NULL;
btn = get_next_btn(list, btn);
while(btn != NULL) {
btn_prev = btn;
btn = get_next_btn(list, btn);
}
if(btn_prev != NULL) {
lv_btn_set_state(btn_prev, LV_BTN_STATE_PR);
}
#if USE_LV_BTN
/*Mark the last clicked button (if any) as selected because it triggered the focus*/
if(last_clicked_btn) {
lv_btn_set_state(last_clicked_btn, LV_BTN_STATE_PR);
} else {
/*Get the first button and mark it as selected*/
lv_obj_t * btn = get_prev_btn(list, NULL);
if(btn) lv_btn_set_state(btn, LV_BTN_STATE_PR);
}
#else
/*Get the first button and mark it as selected*/
lv_obj_t * btn = get_prev_btn(list, NULL);
if(btn) lv_btn_set_state(btn, LV_BTN_STATE_PR);
#endif
} else if(sign == LV_SIGNAL_DEFOCUS) {
/*Get the 'pressed' button*/
lv_obj_t * btn = NULL;
@ -550,34 +560,28 @@ static lv_res_t lv_list_signal(lv_obj_t * list, lv_signal_t sign, void * param)
if(btn != NULL) {
lv_btn_set_state(btn, LV_BTN_STATE_REL);
}
last_clicked_btn = NULL; /*button click will set if comes before focus*/
} else if(sign == LV_SIGNAL_CONTROLL) {
char c = *((char *)param);
if(c == LV_GROUP_KEY_RIGHT || c == LV_GROUP_KEY_DOWN) {
/*Get the last pressed button*/
lv_obj_t * btn = NULL;
lv_obj_t * btn_prev = NULL;
lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
btn = get_next_btn(list, btn);
while(btn != NULL) {
if(lv_btn_get_state(btn) == LV_BTN_STATE_PR) break;
btn_prev = btn;
btn = get_next_btn(list, btn);
}
/*Get the last pressed button*/
lv_obj_t * btn = NULL;
lv_list_ext_t * ext = lv_obj_get_ext_attr(list);
btn = get_prev_btn(list, btn);
while(btn != NULL) {
if(lv_btn_get_state(btn) == LV_BTN_STATE_PR) break;
btn = get_prev_btn(list, btn);
}
/*If there is a valid "pressed" button the make the next "pressed"*/
if(btn_prev != NULL && btn != NULL) {
lv_btn_set_state(btn, LV_BTN_STATE_REL);
lv_btn_set_state(btn_prev, LV_BTN_STATE_PR);
lv_page_focus(list, btn_prev, ext->anim_time);
}
/*If there is no "pressed" button the make the first "pressed"*/
else {
btn = get_next_btn(list, NULL);
if(btn) { /*If there are no buttons on the list hen there is no first button*/
lv_btn_set_state(btn, LV_BTN_STATE_PR);
lv_page_focus(list, btn, ext->anim_time);
}
}
/*If there is a valid "pressed" button the make the previous "pressed"*/
if(btn != NULL) {
lv_obj_t * btn_prev = get_prev_btn(list, btn);
if(btn_prev != NULL) {
lv_btn_set_state(btn, LV_BTN_STATE_REL);
lv_btn_set_state(btn_prev, LV_BTN_STATE_PR);
lv_page_focus(list, btn_prev, ext->anim_time);
}
}
} else if(c == LV_GROUP_KEY_LEFT || c == LV_GROUP_KEY_UP) {
/*Get the last pressed button*/
lv_obj_t * btn = NULL;
@ -668,6 +672,10 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
else if(s == LV_BTN_STATE_TGL_REL) lv_btn_set_state(btn, LV_BTN_STATE_TGL_PR);
}
/* If `click_focus == 1` then LV_SIGNAL_FOCUS need to know which button triggered the focus
* to mark it as selected (pressed state)*/
last_clicked_btn = btn;
}
#endif
@ -676,10 +684,10 @@ static lv_res_t lv_list_btn_signal(lv_obj_t * btn, lv_signal_t sign, void * para
}
/**
* Get the next button from list
* Get the next button from list. (Starts from the bottom button)
* @param list pointer to a list object
* @param prev_btn pointer to button. Search the next after it.
* @return pointer to the next button or NULL
* @return pointer to the next button or NULL when no more buttons
*/
static lv_obj_t * get_next_btn(lv_obj_t * list, lv_obj_t * prev_btn)
{
@ -700,6 +708,32 @@ static lv_obj_t * get_next_btn(lv_obj_t * list, lv_obj_t * prev_btn)
return btn;
}
/**
* Get the previous button from list. (Starts from the top button)
* @param list pointer to a list object
* @param prev_btn pointer to button. Search the previous before it.
* @return pointer to the previous button or NULL when no more buttons
*/
static lv_obj_t * get_prev_btn(lv_obj_t * list, lv_obj_t * prev_btn)
{
/* Not a good practice but user can add/create objects to the lists manually.
* When getting the next button try to be sure that it is at least a button */
lv_obj_t * btn ;
lv_obj_t * scrl = lv_page_get_scrl(list);
btn = lv_obj_get_child_back(scrl, prev_btn);
if(btn == NULL) return NULL;
while(btn->signal_func != lv_list_btn_signal) {
btn = lv_obj_get_child_back(scrl, prev_btn);
if(btn == NULL) break;
}
return btn;
}
static void refr_btn_width(lv_obj_t * list)
{
lv_style_t * style = lv_list_get_style(list, LV_LIST_STYLE_BG);