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[#809] Added x axis scrolling feature into lv_page_focus function.

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This commit is contained in:
Vilem Zavodny
2019-02-13 11:17:16 +01:00
parent f5b8dd17b8
commit 3425f29130
1 changed files with 31 additions and 0 deletions
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31
lv_objx/lv_page.c
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@@ -456,8 +456,10 @@ void lv_page_focus(lv_obj_t * page, const lv_obj_t * obj, uint16_t anim_time)
/* Be sure there is no position changing animation in progress /* Be sure there is no position changing animation in progress
* because it can overide the current changes*/ * because it can overide the current changes*/
lv_anim_del(page, (lv_anim_fp_t)lv_obj_set_y); lv_anim_del(page, (lv_anim_fp_t)lv_obj_set_y);
lv_anim_del(page, (lv_anim_fp_t)lv_obj_set_x);
lv_anim_del(page, (lv_anim_fp_t)lv_obj_set_pos); lv_anim_del(page, (lv_anim_fp_t)lv_obj_set_pos);
lv_anim_del(ext->scrl, (lv_anim_fp_t)lv_obj_set_y); lv_anim_del(ext->scrl, (lv_anim_fp_t)lv_obj_set_y);
lv_anim_del(ext->scrl, (lv_anim_fp_t)lv_obj_set_x);
lv_anim_del(ext->scrl, (lv_anim_fp_t)lv_obj_set_pos); lv_anim_del(ext->scrl, (lv_anim_fp_t)lv_obj_set_pos);
#endif #endif
@@ -469,8 +471,15 @@ void lv_page_focus(lv_obj_t * page, const lv_obj_t * obj, uint16_t anim_time)
lv_coord_t scrlable_y = lv_obj_get_y(ext->scrl); lv_coord_t scrlable_y = lv_obj_get_y(ext->scrl);
lv_coord_t page_h = lv_obj_get_height(page); lv_coord_t page_h = lv_obj_get_height(page);
lv_coord_t obj_x = obj->coords.x1 - ext->scrl->coords.x1;
lv_coord_t obj_w = lv_obj_get_width(obj);
lv_coord_t scrlable_x = lv_obj_get_x(ext->scrl);
lv_coord_t page_w = lv_obj_get_width(page);
lv_coord_t top_err = -(scrlable_y + obj_y); lv_coord_t top_err = -(scrlable_y + obj_y);
lv_coord_t bot_err = scrlable_y + obj_y + obj_h - page_h; lv_coord_t bot_err = scrlable_y + obj_y + obj_h - page_h;
lv_coord_t left_err = -(scrlable_x + obj_x);
lv_coord_t right_err = scrlable_x + obj_x + obj_w - page_w;
/*If obj is higher then the page focus where the "error" is smaller*/ /*If obj is higher then the page focus where the "error" is smaller*/
@@ -488,6 +497,21 @@ void lv_page_focus(lv_obj_t * page, const lv_obj_t * obj, uint16_t anim_time)
scrlable_y = -(obj_y + style_scrl->body.padding.ver + style->body.padding.ver); scrlable_y = -(obj_y + style_scrl->body.padding.ver + style->body.padding.ver);
scrlable_y -= style_scrl->body.padding.ver; scrlable_y -= style_scrl->body.padding.ver;
scrlable_y += page_h - obj_h; scrlable_y += page_h - obj_h;
}
/*Out of the page on the left*/
else if((obj_w <= page_w && left_err > 0) ||
(obj_w > page_w && left_err < right_err)) {
/*Calculate a new position and let some space above*/
scrlable_x = -(obj_x - style_scrl->body.padding.ver - style->body.padding.ver);
scrlable_x += style_scrl->body.padding.ver;
}
/*Out of the page on the right*/
else if((obj_w <= page_w && right_err > 0) ||
(obj_w > page_w && left_err >= right_err)) {
/*Calculate a new position and let some space below*/
scrlable_x = -(obj_x + style_scrl->body.padding.ver + style->body.padding.ver);
scrlable_x -= style_scrl->body.padding.ver;
scrlable_x += page_w - obj_w;
} else { } else {
/*Already in focus*/ /*Already in focus*/
return; return;
@@ -495,6 +519,7 @@ void lv_page_focus(lv_obj_t * page, const lv_obj_t * obj, uint16_t anim_time)
if(anim_time == 0) { if(anim_time == 0) {
lv_obj_set_y(ext->scrl, scrlable_y); lv_obj_set_y(ext->scrl, scrlable_y);
lv_obj_set_x(ext->scrl, scrlable_x);
#if USE_LV_ANIMATION #if USE_LV_ANIMATION
} else { } else {
lv_anim_t a; lv_anim_t a;
@@ -509,6 +534,12 @@ void lv_page_focus(lv_obj_t * page, const lv_obj_t * obj, uint16_t anim_time)
a.path = lv_anim_path_linear; a.path = lv_anim_path_linear;
a.fp = (lv_anim_fp_t) lv_obj_set_y; a.fp = (lv_anim_fp_t) lv_obj_set_y;
lv_anim_create(&a); lv_anim_create(&a);
a.start = lv_obj_get_x(ext->scrl);
a.end = scrlable_x;
a.var = ext->scrl;
a.fp = (lv_anim_fp_t) lv_obj_set_x;
lv_anim_create(&a);
#endif #endif
} }
} }