Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-28 07:03:00 +08:00
Code Issues Projects Releases Wiki Activity

Refactor indev_search_obj into a public API (#1297)

Browse Source 
* Add lv_indev_get_obj(...)  for finding the topmost object under a point.
* Replace uses of indev_search_obj() with lv_indev_search_obj()
This commit is contained in:
TridentTD 2019-12-09 04:21:56 +07:00 committed by embeddedt
parent 343c6b8c6f
commit 54220ffbf1
2 changed files with 21 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/lv_core/lv_indev.c
View File

@ -722,17 +722,17 @@ static void indev_proc_press(lv_indev_proc_t * proc)
/*If there is no last object then search*/
if(indev_obj_act == NULL) {
indev_obj_act = indev_search_obj(proc, lv_disp_get_layer_sys(disp));
if(indev_obj_act == NULL) indev_obj_act = indev_search_obj(proc, lv_disp_get_layer_top(disp));
if(indev_obj_act == NULL) indev_obj_act = indev_search_obj(proc, lv_disp_get_scr_act(disp));
indev_obj_act = lv_indev_search_obj(lv_disp_get_layer_sys(disp), &proc->types.pointer.act_point);
if(indev_obj_act == NULL) indev_obj_act = lv_indev_search_obj(lv_disp_get_layer_top(disp), &proc->types.pointer.act_point);
if(indev_obj_act == NULL) indev_obj_act = lv_indev_search_obj(lv_disp_get_scr_act(disp), &proc->types.pointer.act_point);
new_obj_searched = true;
}
/*If there is last object but it is not dragged and not protected also search*/
else if(proc->types.pointer.drag_in_prog == 0 &&
lv_obj_is_protected(indev_obj_act, LV_PROTECT_PRESS_LOST) == false) {
indev_obj_act = indev_search_obj(proc, lv_disp_get_layer_sys(disp));
if(indev_obj_act == NULL) indev_obj_act = indev_search_obj(proc, lv_disp_get_layer_top(disp));
if(indev_obj_act == NULL) indev_obj_act = indev_search_obj(proc, lv_disp_get_scr_act(disp));
indev_obj_act = lv_indev_search_obj(lv_disp_get_layer_sys(disp), &proc->types.pointer.act_point);
if(indev_obj_act == NULL) indev_obj_act = lv_indev_search_obj(lv_disp_get_layer_top(disp), &proc->types.pointer.act_point);
if(indev_obj_act == NULL) indev_obj_act = lv_indev_search_obj(lv_disp_get_scr_act(disp), &proc->types.pointer.act_point);
new_obj_searched = true;
}
/*If a dragable or a protected object was the last then keep it*/
@ -1025,12 +1025,12 @@ static void indev_proc_reset_query_handler(lv_indev_t * indev)
}
}
/**
* Search the most top, clickable object on the last point of an input device
* @param proc pointer to the `lv_indev_proc_t` part of the input device
* Search the most top, clickable object by a point
* @param obj pointer to a start object, typically the screen
* @param point pointer to a point for searhing the most top child
* @return pointer to the found object or NULL if there was no suitable object
*/
static lv_obj_t * indev_search_obj(const lv_indev_proc_t * proc, lv_obj_t * obj)
lv_obj_t * lv_indev_search_obj(lv_obj_t * obj, lv_point_t *point)
{
lv_obj_t * found_p = NULL;
@ -1042,7 +1042,7 @@ static lv_obj_t * indev_search_obj(const lv_indev_proc_t * proc, lv_obj_t * obj)
ext_area.y1 = obj->coords.y1 - obj->ext_click_pad_ver;
ext_area.y2 = obj->coords.y2 + obj->ext_click_pad_ver;
if(lv_area_is_point_on(&ext_area, &proc->types.pointer.act_point)) {
if(lv_area_is_point_on(&ext_area, point)) {
#elif LV_USE_EXT_CLICK_AREA == LV_EXT_CLICK_AREA_FULL
lv_area_t ext_area;
ext_area.x1 = obj->coords.x1 - obj->ext_click_pad.x1;
@ -1050,15 +1050,15 @@ static lv_obj_t * indev_search_obj(const lv_indev_proc_t * proc, lv_obj_t * obj)
ext_area.y1 = obj->coords.y1 - obj->ext_click_pad.y1;
ext_area.y2 = obj->coords.y2 + obj->ext_click_pad.y2;
if(lv_area_is_point_on(&ext_area, &proc->types.pointer.act_point)) {
if(lv_area_is_point_on(&ext_area, point)) {
#else
if(lv_area_is_point_on(&obj->coords, &proc->types.pointer.act_point)) {
if(lv_area_is_point_on(&obj->coords, point)) {
#endif
lv_obj_t * i;
LV_LL_READ(obj->child_ll, i)
{
found_p = indev_search_obj(proc, i);
found_p = lv_indev_search_obj(i, point);
/*If a child was found then break*/
if(found_p != NULL) {

8
src/lv_core/lv_indev.h
View File

@ -156,6 +156,14 @@ lv_task_t * lv_indev_get_read_task(lv_disp_t * indev);
*/
lv_obj_t * lv_indev_get_obj_act(void);
/**
* Search the most top, clickable object by a point
* @param obj pointer to a start object, typically the screen
* @param point pointer to a point for searhing the most top child
* @return pointer to the found object or NULL if there was no suitable object
*/
lv_obj_t * lv_indev_search_obj(lv_obj_t * obj, lv_point_t *point);
/**********************
* MACROS
**********************/