/**
* Create a roller object
* @param par pointer to an object, it will be the parent of the new roller
* @param copy pointer to a roller object, if not NULL then the new object will be copied from it
* @return pointer to the created roller
*/
lv_obj_t * lv_roller_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create the ancestor of roller*/
lv_obj_t * new_roller = lv_ddlist_create(par, copy);
lv_mem_assert(new_roller);
if(ancestor_scrl_signal == NULL) ancestor_scrl_signal = lv_obj_get_signal_func(lv_page_get_scrl(new_roller));
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_roller);
/*Allocate the roller type specific extended data*/
lv_roller_ext_t * ext = lv_obj_allocate_ext_attr(new_roller, sizeof(lv_roller_ext_t));
lv_mem_assert(ext);
/*The signal and design functions are not copied so set them here*/
lv_obj_set_signal_func(new_roller, lv_roller_signal);
lv_obj_set_design_func(new_roller, lv_roller_design);
/*Init the new roller roller*/
if(copy == NULL) {
lv_obj_t * scrl = lv_page_get_scrl(new_roller);
lv_obj_set_drag(scrl, true); /*In ddlist is might be disabled*/
lv_page_set_rel_action(new_roller, NULL); /*Roller don't uses it (like ddlist)*/
lv_page_set_scrl_fit(new_roller, true, false); /*Height is specified directly*/
lv_ddlist_open(new_roller, false);
lv_ddlist_set_anim_time(new_roller, LV_ROLLER_ANIM_TIME);
lv_roller_set_visible_row_count(new_roller, 3);
lv_label_set_align(ext->ddlist.label, LV_LABEL_ALIGN_CENTER);
lv_obj_set_signal_func(scrl, lv_roller_scrl_signal);
/*Set the default styles*/
lv_theme_t *th = lv_theme_get_current();
if(th) {
lv_roller_set_style(new_roller, LV_ROLLER_STYLE_BG, th->roller.bg);
lv_roller_set_style(new_roller, LV_ROLLER_STYLE_SEL, th->roller.sel);
} else {
/*Let the ddlist's style*/
lv_obj_refresh_style(new_roller); /*To set scrollable size automatically*/
}
}
/*Copy an existing roller*/
else {
lv_obj_t * scrl = lv_page_get_scrl(new_roller);
lv_ddlist_open(new_roller, false);
lv_obj_set_signal_func(scrl, lv_roller_scrl_signal);
lv_obj_refresh_style(new_roller); /*Refresh the style with new signal function*/
}
return new_roller;
}
/**********************
* STATIC FUNCTIONS
**********************/
static void create_tab1(lv_theme_t * th, lv_obj_t *parent)
{
lv_page_set_scrl_layout(parent, LV_LAYOUT_PRETTY);
static lv_style_t h_style;
lv_style_copy(&h_style, &lv_style_transp);
h_style.body.padding.inner = LV_DPI / 4;
h_style.body.padding.hor = LV_DPI / 4;
h_style.body.padding.ver = LV_DPI / 6;
lv_obj_t *h = lv_cont_create(parent, NULL);
lv_obj_set_style(h, &h_style);
lv_obj_set_click(h, false);
lv_cont_set_fit(h, true, true);
lv_cont_set_layout(h, LV_LAYOUT_COL_M);
lv_obj_t *btn = lv_btn_create(h, NULL);
lv_btn_set_style(btn, LV_BTN_STYLE_REL, th->btn.rel);
lv_btn_set_style(btn, LV_BTN_STYLE_PR, th->btn.pr);
lv_btn_set_style(btn, LV_BTN_STYLE_TGL_REL, th->btn.tgl_rel);
lv_btn_set_style(btn, LV_BTN_STYLE_TGL_PR, th->btn.tgl_pr);
lv_btn_set_style(btn, LV_BTN_STYLE_INA, th->btn.ina);
lv_btn_set_fit(btn, true, true);
lv_btn_set_toggle(btn, true);
lv_obj_t *btn_label = lv_label_create(btn, NULL);
lv_label_set_text(btn_label, "Button");
btn = lv_btn_create(h, btn);
lv_btn_toggle(btn);
btn_label = lv_label_create(btn, NULL);
lv_label_set_text(btn_label, "Toggled");
btn = lv_btn_create(h, btn);
lv_btn_set_state(btn, LV_BTN_STATE_INA);
btn_label = lv_label_create(btn, NULL);
lv_label_set_text(btn_label, "Inactive");
lv_obj_t *label = lv_label_create(h, NULL);
lv_label_set_text(label, "Primary");
lv_obj_set_style(label, th->label.prim);
label = lv_label_create(h, NULL);
lv_label_set_text(label, "Secondary");
lv_obj_set_style(label, th->label.sec);
label = lv_label_create(h, NULL);
lv_label_set_text(label, "Hint");
lv_obj_set_style(label, th->label.hint);
static const char *btnm_str[] = {"1", "2", "3", SYMBOL_OK, SYMBOL_CLOSE, ""};
lv_obj_t *btnm = lv_btnm_create(h, NULL);
lv_obj_set_size(btnm,LV_HOR_RES / 4, 2 * LV_DPI / 3);
lv_btnm_set_map(btnm, btnm_str);
lv_btnm_set_toggle(btnm, true, 3);
h = lv_cont_create(parent, h);
lv_obj_t *sw_h = lv_cont_create(h, NULL);
lv_cont_set_style(sw_h, &lv_style_transp);
lv_cont_set_fit(sw_h, false, true);
lv_obj_set_width(sw_h, LV_HOR_RES / 4);
lv_cont_set_layout(sw_h, LV_LAYOUT_PRETTY);
lv_obj_t *sw = lv_sw_create(sw_h, NULL);
sw = lv_sw_create(sw_h, sw);
lv_sw_on(sw);
lv_obj_t *bar = lv_bar_create(h, NULL);
lv_bar_set_value(bar, 70);
lv_obj_t *slider = lv_slider_create(h, NULL);
lv_bar_set_value(slider, 70);
lv_obj_t *line = lv_line_create(h, NULL);
static const lv_point_t line_p[] = {{0,0},{LV_HOR_RES / 5, 0}};
lv_line_set_points(line, line_p, 2);
lv_line_set_style(line, th->line.decor);
lv_obj_t *ta = lv_ta_create(h, NULL);
lv_obj_set_style(ta, th->ta.oneline);
lv_ta_set_text(ta, "Some text");
lv_ta_set_one_line(ta, true);
lv_obj_t *cb = lv_cb_create(h, NULL);
cb = lv_cb_create(h, cb);
lv_btn_set_state(cb, LV_BTN_STATE_TGL_REL);
lv_obj_t *ddlist = lv_ddlist_create(h, NULL);
lv_ddlist_open(ddlist, false);
lv_ddlist_set_selected(ddlist, 1);
h = lv_cont_create(parent, h);
lv_obj_t * list = lv_list_create(h, NULL);
lv_obj_t *list_btn;
list_btn = lv_list_add(list, SYMBOL_GPS, "GPS", NULL);
lv_obj_set_size(list, LV_HOR_RES / 4, LV_VER_RES / 2);
lv_btn_set_toggle(list_btn, true);
lv_list_add(list, SYMBOL_WIFI, "WiFi", NULL);
lv_list_add(list, SYMBOL_GPS, "GPS", NULL);
lv_list_add(list, SYMBOL_AUDIO, "Audio", NULL);
lv_list_add(list, SYMBOL_VIDEO, "Video", NULL);
lv_list_add(list, SYMBOL_CALL, "Call", NULL);
lv_list_add(list, SYMBOL_BELL, "Bell", NULL);
lv_list_add(list, SYMBOL_FILE, "File", NULL);
lv_list_add(list, SYMBOL_EDIT, "Edit", NULL);
lv_list_add(list, SYMBOL_CUT, "Cut", NULL);
lv_list_add(list, SYMBOL_COPY, "Copy", NULL);
lv_obj_t *roller = lv_roller_create(h, NULL);
lv_roller_set_options(roller, "Monday\nTuesday\nWednesday\nThursday\nFriday\nSaturday\nSunday");
lv_roller_set_selected(roller, 1, false);
lv_roller_set_visible_row_count(roller, 3);
}
