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feat(tabview): support vertical scrolling (#3184)

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This makes it so when the tabview has the tabs on the left or right
it will be scrolled up and down rather than left and right in all cases.
This commit is contained in:
Tim Stableford 2022-03-29 12:57:48 +01:00 committed by GitHub
parent 47791926f9
commit f426d546fa
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 12 deletions
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44
src/extra/widgets/tabview/lv_tabview.c Normal file → Executable file
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@ -135,14 +135,22 @@ void lv_tabview_set_act(lv_obj_t * obj, uint32_t id, lv_anim_enable_t anim_en)
lv_obj_t * cont = lv_tabview_get_content(obj);
if(cont == NULL) return;
lv_coord_t gap = lv_obj_get_style_pad_column(cont, LV_PART_MAIN);
lv_coord_t w = lv_obj_get_content_width(cont);
if(lv_obj_get_style_base_dir(obj, LV_PART_MAIN) != LV_BASE_DIR_RTL) {
lv_obj_scroll_to_x(cont, id * (gap + w), anim_en);
if((tabview->tab_pos & LV_DIR_VER) != 0) {
lv_coord_t gap = lv_obj_get_style_pad_column(cont, LV_PART_MAIN);
lv_coord_t w = lv_obj_get_content_width(cont);
if(lv_obj_get_style_base_dir(obj, LV_PART_MAIN) != LV_BASE_DIR_RTL) {
lv_obj_scroll_to_x(cont, id * (gap + w), anim_en);
}
else {
int32_t id_rtl = -(int32_t)id;
lv_obj_scroll_to_x(cont, (gap + w) * id_rtl, anim_en);
}
}
else {
int32_t id_rtl = -(int32_t)id;
lv_obj_scroll_to_x(cont, (gap + w) * id_rtl, anim_en);
lv_coord_t gap = lv_obj_get_style_pad_row(cont, LV_PART_MAIN);
lv_coord_t h = lv_obj_get_content_height(cont);
lv_obj_scroll_to_y(cont, id * (gap + h), anim_en);
}
lv_obj_t * btns = lv_tabview_get_tab_btns(obj);
@ -229,8 +237,14 @@ static void lv_tabview_constructor(const lv_obj_class_t * class_p, lv_obj_t * ob
lv_group_t * g = lv_group_get_default();
if(g) lv_group_add_obj(g, btnm);
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW);
lv_obj_set_scroll_snap_x(cont, LV_SCROLL_SNAP_CENTER);
if((tabview->tab_pos & LV_DIR_VER) != 0) {
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_ROW);
lv_obj_set_scroll_snap_x(cont, LV_SCROLL_SNAP_CENTER);
}
else {
lv_obj_set_flex_flow(cont, LV_FLEX_FLOW_COLUMN);
lv_obj_set_scroll_snap_y(cont, LV_SCROLL_SNAP_CENTER);
}
lv_obj_add_flag(cont, LV_OBJ_FLAG_SCROLL_ONE);
lv_obj_clear_flag(cont, LV_OBJ_FLAG_SCROLL_ON_FOCUS);
}
@ -289,6 +303,7 @@ static void cont_scroll_end_event_cb(lv_event_t * e)
lv_event_code_t code = lv_event_get_code(e);
lv_obj_t * tv = lv_obj_get_parent(cont);
lv_tabview_t * tv_obj = (lv_tabview_t *)tv;
if(code == LV_EVENT_LAYOUT_CHANGED) {
lv_tabview_set_act(tv, lv_tabview_get_tab_act(tv), LV_ANIM_OFF);
}
@ -296,11 +311,16 @@ static void cont_scroll_end_event_cb(lv_event_t * e)
lv_point_t p;
lv_obj_get_scroll_end(cont, &p);
lv_coord_t w = lv_obj_get_content_width(cont);
lv_coord_t t;
if(lv_obj_get_style_base_dir(tv, LV_PART_MAIN) == LV_BASE_DIR_RTL) t = -(p.x - w / 2) / w;
else t = (p.x + w / 2) / w;
if((tv_obj->tab_pos & LV_DIR_VER) != 0) {
lv_coord_t w = lv_obj_get_content_width(cont);
if(lv_obj_get_style_base_dir(tv, LV_PART_MAIN) == LV_BASE_DIR_RTL) t = -(p.x - w / 2) / w;
else t = (p.x + w / 2) / w;
}
else {
lv_coord_t h = lv_obj_get_content_height(cont);
t = (p.y + h / 2) / h;
}
if(t < 0) t = 0;
bool new_tab = false;