/**
* 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;
}
/**
* Create a label objects
* @param par pointer to an object, it will be the parent of the new label
* @param copy pointer to a button object, if not NULL then the new object will be copied from it
* @return pointer to the created button
*/
lv_obj_t * lv_label_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create a basic object*/
lv_obj_t * new_label = lv_obj_create(par, copy);
lv_mem_assert(new_label);
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_label);
/*Extend the basic object to a label object*/
lv_obj_allocate_ext_attr(new_label, sizeof(lv_label_ext_t));
lv_label_ext_t * ext = lv_obj_get_ext_attr(new_label);
lv_mem_assert(ext);
ext->text = NULL;
ext->static_txt = 0;
ext->recolor = 0;
ext->no_break = 0;
ext->body_draw = 0;
ext->align = LV_LABEL_ALIGN_LEFT;
ext->dot_end = LV_LABEL_DOT_END_INV;
ext->long_mode = LV_LABEL_LONG_EXPAND;
ext->anim_speed = LV_LABEL_SCROLL_SPEED;
ext->offset.x = 0;
ext->offset.y = 0;
lv_obj_set_design_func(new_label, lv_label_design);
lv_obj_set_signal_func(new_label, lv_label_signal);
/*Init the new label*/
if(copy == NULL) {
lv_obj_set_click(new_label, false);
lv_label_set_long_mode(new_label, LV_LABEL_LONG_EXPAND);
lv_label_set_text(new_label, "Text");
lv_label_set_style(new_label, NULL); /*Inherit parent's style*/
}
/*Copy 'copy' if not NULL*/
else {
lv_label_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
lv_label_set_long_mode(new_label, lv_label_get_long_mode(copy));
lv_label_set_recolor(new_label, lv_label_get_recolor(copy));
lv_label_set_body_draw(new_label, lv_label_get_body_draw(copy));
lv_label_set_align(new_label, lv_label_get_align(copy));
if(copy_ext->static_txt == 0) lv_label_set_text(new_label, lv_label_get_text(copy));
else lv_label_set_static_text(new_label, lv_label_get_text(copy));
/*In DOT mode save the text byte-to-byte because a '\0' can be in the middle*/
if(copy_ext->long_mode == LV_LABEL_LONG_DOT) {
ext->text = lv_mem_realloc(ext->text, lv_mem_get_size(copy_ext->text));
memcpy(ext->text, copy_ext->text, lv_mem_get_size(copy_ext->text));
}
memcpy(ext->dot_tmp, copy_ext->dot_tmp, sizeof(ext->dot_tmp));
ext->dot_end = copy_ext->dot_end;
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_label);
}
return new_label;
}
/**
* Create a gauge objects
* @param par pointer to an object, it will be the parent of the new gauge
* @param copy pointer to a gauge object, if not NULL then the new object will be copied from it
* @return pointer to the created gauge
*/
lv_obj_t * lv_gauge_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create the ancestor gauge*/
lv_obj_t * new_gauge = lv_lmeter_create(par, copy);
lv_mem_assert(new_gauge);
/*Allocate the gauge type specific extended data*/
lv_gauge_ext_t * ext = lv_obj_allocate_ext_attr(new_gauge, sizeof(lv_gauge_ext_t));
lv_mem_assert(ext);
/*Initialize the allocated 'ext' */
ext->needle_count = 0;
ext->values = NULL;
ext->needle_colors = NULL;
ext->label_count = LV_GAUGE_DEF_LABEL_COUNT;
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_gauge);
if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_func(new_gauge);
/*The signal and design functions are not copied so set them here*/
lv_obj_set_signal_func(new_gauge, lv_gauge_signal);
lv_obj_set_design_func(new_gauge, lv_gauge_design);
/*Init the new gauge gauge*/
if(copy == NULL) {
lv_gauge_set_scale(new_gauge, LV_GAUGE_DEF_ANGLE, LV_GAUGE_DEF_LINE_COUNT, LV_GAUGE_DEF_LABEL_COUNT);
lv_gauge_set_needle_count(new_gauge, 1, NULL);
lv_gauge_set_critical_value(new_gauge, 80);
lv_obj_set_size(new_gauge, 2 * LV_DPI, 2 * LV_DPI);
/*Set the default styles*/
lv_theme_t *th = lv_theme_get_current();
if(th) {
lv_gauge_set_style(new_gauge, th->gauge);
} else {
lv_gauge_set_style(new_gauge, &lv_style_pretty_color);
}
}
/*Copy an existing gauge*/
else {
lv_gauge_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
lv_gauge_set_needle_count(new_gauge, copy_ext->needle_count, copy_ext->needle_colors);
uint8_t i;
for(i = 0; i < ext->needle_count; i++) {
ext->values[i] = copy_ext->values[i];
}
ext->label_count = copy_ext->label_count;
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_gauge);
}
return new_gauge;
}
/**
* Create a switch objects
* @param par pointer to an object, it will be the parent of the new switch
* @param copy pointer to a switch object, if not NULL then the new object will be copied from it
* @return pointer to the created switch
*/
lv_obj_t * lv_sw_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create the ancestor of switch*/
lv_obj_t * new_sw = lv_slider_create(par, copy);
lv_mem_assert(new_sw);
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_sw);
/*Allocate the switch type specific extended data*/
lv_sw_ext_t * ext = lv_obj_allocate_ext_attr(new_sw, sizeof(lv_sw_ext_t));
lv_mem_assert(ext);
/*Initialize the allocated 'ext' */
ext->changed = 0;
ext->style_knob_off = ext->slider.style_knob;
ext->style_knob_on = ext->slider.style_knob;
/*The signal and design functions are not copied so set them here*/
lv_obj_set_signal_func(new_sw, lv_sw_signal);
/*Init the new switch switch*/
if(copy == NULL) {
lv_slider_set_range(new_sw, 0, 1);
lv_obj_set_size(new_sw, 2 * LV_DPI / 3, LV_DPI / 3);
lv_slider_set_knob_in(new_sw, true);
/*Set the default styles*/
lv_theme_t *th = lv_theme_get_current();
if(th) {
lv_sw_set_style(new_sw, LV_SW_STYLE_BG, th->sw.bg);
lv_sw_set_style(new_sw, LV_SW_STYLE_INDIC, th->sw.indic);
lv_sw_set_style(new_sw, LV_SW_STYLE_KNOB_OFF, th->sw.knob_off);
lv_sw_set_style(new_sw, LV_SW_STYLE_KNOB_ON, th->sw.knob_on);
} else {
/*Let the slider' style*/
}
}
/*Copy an existing switch*/
else {
lv_sw_ext_t *copy_ext = lv_obj_get_ext_attr(copy);
ext->style_knob_off = copy_ext->style_knob_off;
ext->style_knob_on = copy_ext->style_knob_on;
if(lv_sw_get_state(new_sw)) lv_slider_set_style(new_sw, LV_SLIDER_STYLE_KNOB, ext->style_knob_on);
else lv_slider_set_style(new_sw, LV_SLIDER_STYLE_KNOB, ext->style_knob_off);
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_sw);
}
return new_sw;
}
/**
* Create a slider objects
* @param par pointer to an object, it will be the parent of the new slider
* @param copy pointer to a slider object, if not NULL then the new object will be copied from it
* @return pointer to the created slider
*/
lv_obj_t * lv_slider_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create the ancestor slider*/
lv_obj_t * new_slider = lv_bar_create(par, copy);
lv_mem_assert(new_slider);
if(ancestor_design_f == NULL) ancestor_design_f = lv_obj_get_design_func(new_slider);
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_slider);
/*Allocate the slider type specific extended data*/
lv_slider_ext_t * ext = lv_obj_allocate_ext_attr(new_slider, sizeof(lv_slider_ext_t));
lv_mem_assert(ext);
/*Initialize the allocated 'ext' */
ext->action = NULL;
ext->drag_value = LV_SLIDER_NOT_PRESSED;
ext->style_knob = &lv_style_pretty;
ext->knob_in = 0;
/*The signal and design functions are not copied so set them here*/
lv_obj_set_signal_func(new_slider, lv_slider_signal);
lv_obj_set_design_func(new_slider, lv_slider_design);
/*Init the new slider slider*/
if(copy == NULL) {
lv_obj_set_click(new_slider, true);
lv_obj_set_protect(new_slider, LV_PROTECT_PRESS_LOST);
/*Set the default styles*/
lv_theme_t *th = lv_theme_get_current();
if(th) {
lv_slider_set_style(new_slider, LV_SLIDER_STYLE_BG, th->slider.bg);
lv_slider_set_style(new_slider, LV_SLIDER_STYLE_INDIC, th->slider.indic);
lv_slider_set_style(new_slider, LV_SLIDER_STYLE_KNOB, th->slider.knob);
} else {
lv_slider_set_style(new_slider, LV_SLIDER_STYLE_KNOB, ext->style_knob);
}
}
/*Copy an existing slider*/
else {
lv_slider_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
ext->style_knob = copy_ext->style_knob;
ext->action = copy_ext->action;
ext->knob_in = copy_ext->knob_in;
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_slider);
}
return new_slider;
}
/**
* Create a led objects
* @param par pointer to an object, it will be the parent of the new led
* @param copy pointer to a led object, if not NULL then the new object will be copied from it
* @return pointer to the created led
*/
lv_obj_t * lv_led_create(lv_obj_t * par, const lv_obj_t * copy)
{
LV_LOG_TRACE("led create started");
/*Create the ancestor basic object*/
lv_obj_t * new_led = lv_obj_create(par, copy);
lv_mem_assert(new_led);
if(new_led == NULL) return NULL;
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_led);
if(ancestor_design_f == NULL) ancestor_design_f = lv_obj_get_design_func(new_led);
/*Allocate the object type specific extended data*/
lv_led_ext_t * ext = lv_obj_allocate_ext_attr(new_led, sizeof(lv_led_ext_t));
lv_mem_assert(ext);
if(ext == NULL) return NULL;
ext->bright = LV_LED_BRIGHT_ON;
lv_obj_set_signal_func(new_led, lv_led_signal);
lv_obj_set_design_func(new_led, lv_led_design);
/*Init the new led object*/
if(copy == NULL) {
lv_obj_set_size(new_led, LV_LED_WIDTH_DEF, LV_LED_HEIGHT_DEF);
/*Set the default styles*/
lv_theme_t * th = lv_theme_get_current();
if(th) {
lv_led_set_style(new_led, th->led);
} else {
lv_led_set_style(new_led, &lv_style_pretty_color);
}
}
/*Copy an existing object*/
else {
lv_led_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
ext->bright = copy_ext->bright;
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_led);
}
LV_LOG_INFO("led created");
return new_led;
}
/**
* Create a drop down list objects
* @param par pointer to an object, it will be the parent of the new drop down list
* @param copy pointer to a drop down list object, if not NULL then the new object will be copied from it
* @return pointer to the created drop down list
*/
lv_obj_t * lv_ddlist_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create the ancestor drop down list*/
lv_obj_t * new_ddlist = lv_page_create(par, copy);
lv_mem_assert(new_ddlist);
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_ddlist);
if(ancestor_scrl_signal == NULL) ancestor_scrl_signal = lv_obj_get_signal_func(lv_page_get_scrl(new_ddlist));
if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_func(new_ddlist);
/*Allocate the drop down list type specific extended data*/
lv_ddlist_ext_t * ext = lv_obj_allocate_ext_attr(new_ddlist, sizeof(lv_ddlist_ext_t));
lv_mem_assert(ext);
/*Initialize the allocated 'ext' */
ext->label = NULL;
ext->action = NULL;
ext->opened = 0;
ext->fix_height = 0;
ext->sel_opt_id = 0;
ext->sel_opt_id_ori = 0;
ext->option_cnt = 0;
ext->anim_time = LV_DDLIST_ANIM_TIME;
ext->sel_style = &lv_style_plain_color;
/*The signal and design functions are not copied so set them here*/
lv_obj_set_signal_func(new_ddlist, lv_ddlist_signal);
lv_obj_set_signal_func(lv_page_get_scrl(new_ddlist), lv_ddlist_scrl_signal);
lv_obj_set_design_func(new_ddlist, lv_ddlist_design);
/*Init the new drop down list drop down list*/
if(copy == NULL) {
lv_obj_t * scrl = lv_page_get_scrl(new_ddlist);
lv_obj_set_drag(scrl, false);
lv_page_set_scrl_fit(new_ddlist, true, true);
ext->label = lv_label_create(new_ddlist, NULL);
lv_cont_set_fit(new_ddlist, true, false);
lv_page_set_rel_action(new_ddlist, lv_ddlist_release_action);
lv_page_set_sb_mode(new_ddlist, LV_SB_MODE_DRAG);
lv_page_set_style(new_ddlist, LV_PAGE_STYLE_SCRL, &lv_style_transp_tight);
lv_ddlist_set_options(new_ddlist, "Option 1\nOption 2\nOption 3");
/*Set the default styles*/
lv_theme_t *th = lv_theme_get_current();
if(th) {
lv_ddlist_set_style(new_ddlist, LV_DDLIST_STYLE_BG, th->ddlist.bg);
lv_ddlist_set_style(new_ddlist, LV_DDLIST_STYLE_SEL,th->ddlist.sel);
lv_ddlist_set_style(new_ddlist, LV_DDLIST_STYLE_SB, th->ddlist.sb);
} else {
lv_ddlist_set_style(new_ddlist, LV_DDLIST_STYLE_BG, &lv_style_pretty);
lv_ddlist_set_style(new_ddlist, LV_DDLIST_STYLE_SEL, &lv_style_plain_color);
lv_ddlist_set_style(new_ddlist, LV_DDLIST_STYLE_SB, &lv_style_pretty_color);
}
}
/*Copy an existing drop down list*/
else {
lv_ddlist_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
ext->label = lv_label_create(new_ddlist, copy_ext->label);
lv_label_set_text(ext->label, lv_label_get_text(copy_ext->label));
ext->sel_opt_id = copy_ext->sel_opt_id;
ext->fix_height = copy_ext->fix_height;
ext->action = copy_ext->action;
ext->option_cnt = copy_ext->option_cnt;
ext->sel_style = copy_ext->sel_style;
ext->anim_time = copy_ext->anim_time;
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_ddlist);
}
return new_ddlist;
}
/**
* Create a page objects
* @param par pointer to an object, it will be the parent of the new page
* @param copy pointer to a page object, if not NULL then the new object will be copied from it
* @return pointer to the created page
*/
lv_obj_t * lv_page_create(lv_obj_t * par, lv_obj_t * copy)
{
/*Create the ancestor object*/
lv_obj_t * new_page = lv_cont_create(par, copy);
lv_mem_assert(new_page);
if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_page);
if(ancestor_design == NULL) ancestor_design = lv_obj_get_design_func(new_page);
/*Allocate the object type specific extended data*/
lv_page_ext_t * ext = lv_obj_allocate_ext_attr(new_page, sizeof(lv_page_ext_t));
lv_mem_assert(ext);
ext->scrl = NULL;
ext->pr_action = NULL;
ext->rel_action = NULL;
ext->sb.hor_draw = 0;
ext->sb.ver_draw = 0;
ext->sb.style = &lv_style_pretty;
ext->sb.mode = LV_SB_MODE_AUTO;
/*Init the new page object*/
if(copy == NULL) {
ext->scrl = lv_cont_create(new_page, NULL);
lv_obj_set_signal_func(ext->scrl, lv_page_scrollable_signal);
lv_obj_set_design_func(ext->scrl, lv_scrl_design);
lv_obj_set_drag(ext->scrl, true);
lv_obj_set_drag_throw(ext->scrl, true);
lv_obj_set_protect(ext->scrl, LV_PROTECT_PARENT | LV_PROTECT_PRESS_LOST);
lv_cont_set_fit(ext->scrl, false, true);
/* Add the signal function only if 'scrolling' is created
* because everything has to be ready before any signal is received*/
lv_obj_set_signal_func(new_page, lv_page_signal);
lv_obj_set_design_func(new_page, lv_page_design);
lv_page_set_sb_mode(new_page, ext->sb.mode);
/*Set the default styles*/
lv_theme_t *th = lv_theme_get_current();
if(th) {
if(par == NULL){ /*Different styles if it is screen*/
lv_page_set_style(new_page, LV_PAGE_STYLE_BG, th->bg);
lv_page_set_style(new_page, LV_PAGE_STYLE_SCRL, &lv_style_transp);
} else {
lv_page_set_style(new_page, LV_PAGE_STYLE_BG, th->page.bg);
lv_page_set_style(new_page, LV_PAGE_STYLE_SCRL, th->page.scrl);
}
lv_page_set_style(new_page, LV_PAGE_STYLE_SB, th->page.sb);
} else {
lv_page_set_style(new_page, LV_PAGE_STYLE_BG, &lv_style_pretty_color);
lv_page_set_style(new_page, LV_PAGE_STYLE_SCRL, &lv_style_pretty);
lv_page_set_style(new_page, LV_PAGE_STYLE_SB, &lv_style_pretty_color);
}
} else {
lv_page_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
ext->scrl = lv_cont_create(new_page, copy_ext->scrl);
lv_obj_set_signal_func(ext->scrl, lv_page_scrollable_signal);
lv_page_set_pr_action(new_page, copy_ext->pr_action);
lv_page_set_rel_action(new_page, copy_ext->rel_action);
lv_page_set_sb_mode(new_page, copy_ext->sb.mode);
lv_page_set_style(new_page, LV_PAGE_STYLE_BG, lv_page_get_style(copy, LV_PAGE_STYLE_BG));
lv_page_set_style(new_page, LV_PAGE_STYLE_SCRL, lv_page_get_style(copy, LV_PAGE_STYLE_SCRL));
lv_page_set_style(new_page, LV_PAGE_STYLE_SB, lv_page_get_style(copy, LV_PAGE_STYLE_SB));
/* Add the signal function only if 'scrolling' is created
* because everything has to be ready before any signal is received*/
lv_obj_set_signal_func(new_page, lv_page_signal);
lv_obj_set_design_func(new_page, lv_page_design);
/*Refresh the style with new signal function*/
lv_obj_refresh_style(new_page);
}
lv_page_sb_refresh(new_page);
return new_page;
}
