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feat(indev): add 'lv_indev_read' to allow read events from specified indev (#4494)

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Signed-off-by: XiaoweiYan <yanxiaowei@xiaomi.com>
Co-authored-by: XiaoweiYan <yanxiaowei@xiaomi.com>
This commit is contained in:
bjsylvia
2023-08-29 02:51:32 +08:00
committed by GitHub
parent 538bae5de8
commit 3c47aadacf
3 changed files with 39 additions and 10 deletions
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22
src/indev/lv_indev.c
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@@ -70,6 +70,7 @@ static void indev_proc_reset_query_handler(lv_indev_t * indev);
static void indev_click_focus(lv_indev_t * indev);
static void indev_gesture(lv_indev_t * indev);
static bool indev_reset_check(lv_indev_t * indev);
static void indev_read_core(lv_indev_t * indev, lv_indev_data_t * data);
/**********************
* STATIC VARIABLES
@@ -121,7 +122,7 @@ void lv_indev_delete(lv_indev_t * indev)
{
LV_ASSERT_NULL(indev);
/*Clean up the read timer first*/
lv_timer_del(indev->read_timer);
if(indev->read_timer) lv_timer_del(indev->read_timer);
/*Remove the input device from the list*/
_lv_ll_remove(indev_ll_head, indev);
/*Free the memory of the input device*/
@@ -136,7 +137,7 @@ lv_indev_t * lv_indev_get_next(lv_indev_t * indev)
return _lv_ll_get_next(indev_ll_head, indev);
}
void _lv_indev_read(lv_indev_t * indev, lv_indev_data_t * data)
void indev_read_core(lv_indev_t * indev, lv_indev_data_t * data)
{
LV_PROFILER_BEGIN;
lv_memzero(data, sizeof(lv_indev_data_t));
@@ -168,11 +169,16 @@ void _lv_indev_read(lv_indev_t * indev, lv_indev_data_t * data)
void lv_indev_read_timer_cb(lv_timer_t * timer)
{
lv_indev_read(timer->user_data);
}
void lv_indev_read(lv_indev_t * indev_p)
{
if(!indev_p) return;
INDEV_TRACE("begin");
lv_indev_data_t data;
lv_indev_t * indev_p = indev_act = timer->user_data;
indev_act = indev_p;
/*Read and process all indevs*/
if(indev_p->disp == NULL) return; /*Not assigned to any displays*/
@@ -186,9 +192,11 @@ void lv_indev_read_timer_cb(lv_timer_t * timer)
LV_PROFILER_BEGIN;
bool continue_reading;
lv_indev_data_t data;
do {
/*Read the data*/
_lv_indev_read(indev_p, &data);
indev_read_core(indev_p, &data);
continue_reading = data.continue_reading;
/*The active object might be deleted even in the read function*/
@@ -523,7 +531,7 @@ lv_obj_t * lv_indev_search_obj(lv_obj_t * obj, lv_point_t * point)
static void indev_pointer_proc(lv_indev_t * i, lv_indev_data_t * data)
{
lv_disp_t * disp = i->disp;
/*Save the raw points so they can be used again in _lv_indev_read*/
/*Save the raw points so they can be used again in indev_read_core*/
i->pointer.last_raw_point.x = data->point.x;
i->pointer.last_raw_point.y = data->point.y;