Embedded/lvgl
1
0
Fork 0
mirror of https://github.com/lvgl/lvgl.git synced 2025-01-14 06:42:58 +08:00
Code Issues Projects Releases Wiki Activity

lv_group: focus_freeze added

Browse Source
This commit is contained in:
Gabor 2017-07-27 12:07:16 +02:00
parent 78c5ad0cdb
commit 6b3444271c
2 changed files with 26 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
lv_obj/lv_group.c
View File

@ -46,6 +46,7 @@ lv_group_t * lv_group_create(void)
group->style_mod = style_mod_def;
group->obj_focus = NULL;
group->frozen = 0;
return group;
}
@ -84,6 +85,11 @@ void lv_group_rem_obj(lv_obj_t * obj)
break;
}
}
if(*g->obj_focus == obj) {
g->obj_focus = NULL;
lv_group_focus_next(g);
}
}
@ -95,6 +101,9 @@ void lv_group_focus_obj(lv_obj_t * obj)
{
lv_group_t * g = obj->group_p;
if(g == NULL) return;
if(g->frozen != 0) return;
lv_obj_t ** i;
LL_READ(g->obj_ll, i) {
@ -121,6 +130,8 @@ void lv_group_focus_obj(lv_obj_t * obj)
*/
void lv_group_focus_next(lv_group_t * group)
{
if(group->frozen != 0) return;
if(group->obj_focus != NULL) {
(*group->obj_focus)->signal_f(*group->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
lv_obj_inv(*group->obj_focus);
@ -145,6 +156,8 @@ void lv_group_focus_next(lv_group_t * group)
*/
void lv_group_focus_prev(lv_group_t * group)
{
if(group->frozen != 0) return;
if(group->obj_focus != NULL) {
(*group->obj_focus)->signal_f(*group->obj_focus, LV_SIGNAL_DEFOCUS, NULL);
lv_obj_inv(*group->obj_focus);
@ -164,6 +177,17 @@ void lv_group_focus_prev(lv_group_t * group)
}
/**
* Do not let to change the focus from the current object
* @param group pointer to a group
* @param en true: freeze, false: release freezing (normal mode)
*/
void lv_group_focus_freeze(lv_group_t * group, bool en)
{
if(en == false) group->frozen = 0;
else group->frozen = 1;
}
/**
* Send a control character to the focuses object of a group
* @param group pointer to a group

2
lv_obj/lv_group.h
View File

@ -38,6 +38,7 @@ typedef struct
lv_obj_t ** obj_focus;
void (*style_mod)(lv_style_t * style);
lv_style_t style_tmp;
uint8_t frozen:1;
}lv_group_t;
/**********************
@ -49,6 +50,7 @@ void lv_group_rem_obj(lv_obj_t * obj);
void lv_group_focus_obj(lv_obj_t * obj);
void lv_group_focus_next(lv_group_t * group);
void lv_group_focus_prev(lv_group_t * group);
void lv_group_focus_freeze(lv_group_t * group, bool en);
void lv_group_send(lv_group_t * group, char c);
lv_style_t * lv_group_mod_style(lv_group_t * group, const lv_style_t * style);
lv_obj_t * lv_group_get_focused(lv_group_t * group);