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ddlist: fiy scrollable width

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This commit is contained in:
Gabor Kiss-Vamosi 2019-04-20 06:37:06 +02:00
parent 755f68c87b
commit b5898a750e
1 changed files with 20 additions and 1 deletions
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21
src/lv_objx/lv_ddlist.c
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@ -43,6 +43,7 @@ static lv_res_t lv_ddlist_scrl_signal(lv_obj_t * scrl, lv_signal_t sign, void *
static lv_res_t release_handler(lv_obj_t * ddlist);
static void lv_ddlist_refr_size(lv_obj_t * ddlist, bool anim_en);
static void lv_ddlist_pos_current_option(lv_obj_t * ddlist);
static void lv_ddlist_refr_width(lv_obj_t* ddlist);
static void lv_ddlist_anim_cb(lv_obj_t * ddlist);
static void lv_ddlist_adjust_height(lv_obj_t * ddlist, int32_t height);
@ -177,6 +178,8 @@ void lv_ddlist_set_options(lv_obj_t * ddlist, const char * options)
lv_label_set_text(ext->label, options);
lv_ddlist_refr_width(ddlist);
switch(lv_label_get_align(ext->label)) {
case LV_LABEL_ALIGN_LEFT:
lv_obj_align(ext->label, NULL, LV_ALIGN_IN_TOP_LEFT, 0, 0);
@ -292,7 +295,10 @@ void lv_ddlist_set_style(lv_obj_t * ddlist, lv_ddlist_style_t type, const lv_sty
lv_ddlist_ext_t * ext = lv_obj_get_ext_attr(ddlist);
switch(type) {
case LV_DDLIST_STYLE_BG: lv_page_set_style(ddlist, LV_PAGE_STYLE_BG, style); break;
case LV_DDLIST_STYLE_BG:
lv_page_set_style(ddlist, LV_PAGE_STYLE_BG, style);
lv_ddlist_refr_width(ddlist);
break;
case LV_DDLIST_STYLE_SB: lv_page_set_style(ddlist, LV_PAGE_STYLE_SB, style); break;
case LV_DDLIST_STYLE_SEL:
ext->sel_style = style;
@ -937,4 +943,17 @@ static void lv_ddlist_pos_current_option(lv_obj_t * ddlist)
lv_obj_set_y(scrl, -line_y1 + (h - font_h) / 2);
}
/**
* Be sure the width of the scrollable exactly fits the ddlist
* @param ddlist pointer to a ddlist
*/
static void lv_ddlist_refr_width(lv_obj_t* ddlist)
{
/*Set the TIGHT fit horizontally the set the width to the content*/
lv_page_set_scrl_fit2(ddlist, LV_FIT_TIGHT, LV_FIT_TIGHT);
/*Revert FILL fit to fill the parent with the options area. It allows to RIGHT/CENTER align the text*/
lv_page_set_scrl_fit2(ddlist, LV_FIT_FILL, LV_FIT_TIGHT);
}
#endif