static void list_create(lv_obj_t *parent)
{
lv_page_set_style(parent, LV_PAGE_STYLE_BG, &lv_style_transp_fit);
lv_page_set_style(parent, LV_PAGE_STYLE_SCRL, &lv_style_transp_fit);
lv_page_set_scrl_fit(parent, false, false);
lv_page_set_scrl_height(parent, lv_obj_get_height(parent));
lv_page_set_sb_mode(parent, LV_SB_MODE_OFF);
/*Create styles for the buttons*/
static lv_style_t style_btn_rel;
static lv_style_t style_btn_pr;
lv_style_copy(&style_btn_rel, &lv_style_btn_rel);
style_btn_rel.body.main_color = LV_COLOR_HEX3(0x333);
style_btn_rel.body.grad_color = LV_COLOR_BLACK;
style_btn_rel.body.border.color = LV_COLOR_SILVER;
style_btn_rel.body.border.width = 1;
style_btn_rel.body.border.opa = LV_OPA_50;
style_btn_rel.body.radius = 0;
lv_style_copy(&style_btn_pr, &style_btn_rel);
style_btn_pr.body.main_color = LV_COLOR_MAKE(0x55, 0x96, 0xd8);
style_btn_pr.body.grad_color = LV_COLOR_MAKE(0x37, 0x62, 0x90);
style_btn_pr.text.color = LV_COLOR_MAKE(0xbb, 0xd5, 0xf1);
lv_obj_t *list = lv_list_create(parent, NULL);
lv_obj_set_height(list, 2 * lv_obj_get_height(parent) / 3);
lv_list_set_style(list, LV_LIST_STYLE_BG, &lv_style_transp_tight);
lv_list_set_style(list, LV_LIST_STYLE_SCRL, &lv_style_transp_tight);
lv_list_set_style(list, LV_LIST_STYLE_BTN_REL, &style_btn_rel);
lv_list_set_style(list, LV_LIST_STYLE_BTN_PR, &style_btn_pr);
lv_obj_align(list, NULL, LV_ALIGN_IN_TOP_MID, 0, LV_DPI / 4);
lv_list_add(list, SYMBOL_FILE, "New", list_btn_action);
lv_list_add(list, SYMBOL_DIRECTORY, "Open", list_btn_action);
lv_list_add(list, SYMBOL_TRASH, "Delete", list_btn_action);
lv_list_add(list, SYMBOL_EDIT, "Edit", list_btn_action);
lv_list_add(list, SYMBOL_SAVE, "Save", list_btn_action);
lv_list_add(list, SYMBOL_WIFI, "WiFi", list_btn_action);
lv_list_add(list, SYMBOL_GPS, "GPS", list_btn_action);
lv_obj_t *mbox= lv_mbox_create(parent, NULL);
lv_mbox_set_text(mbox, "Click a button to copy its text to the Text area ");
lv_obj_set_width(mbox, LV_HOR_RES - LV_DPI);
static const char * mbox_btns[] = {"Got it", ""};
lv_mbox_add_btns(mbox, mbox_btns, NULL); /*The default action is close*/
lv_obj_align(mbox, parent, LV_ALIGN_IN_TOP_MID, 0, LV_DPI / 2);
}
static void write_create(lv_obj_t *parent)
{
lv_page_set_style(parent, LV_PAGE_STYLE_BG, &lv_style_transp_fit);
lv_page_set_style(parent, LV_PAGE_STYLE_SCRL, &lv_style_transp_fit);
lv_page_set_sb_mode(parent, LV_SB_MODE_OFF);
static lv_style_t style_ta;
lv_style_copy(&style_ta, &lv_style_pretty);
style_ta.body.opa = LV_OPA_30;
style_ta.body.radius = 0;
style_ta.text.color = LV_COLOR_HEX3(0x222);
ta = lv_ta_create(parent, NULL);
lv_obj_set_size(ta, lv_page_get_scrl_width(parent), lv_obj_get_height(parent) / 2);
lv_ta_set_style(ta, LV_TA_STYLE_BG, &style_ta);
lv_ta_set_text(ta, "");
lv_page_set_rel_action(ta, keyboard_open_close);
lv_style_copy(&style_kb, &lv_style_plain);
style_kb.body.opa = LV_OPA_70;
style_kb.body.main_color = LV_COLOR_HEX3(0x333);
style_kb.body.grad_color = LV_COLOR_HEX3(0x333);
style_kb.body.padding.hor = 0;
style_kb.body.padding.ver = 0;
style_kb.body.padding.inner = 0;
lv_style_copy(&style_kb_rel, &lv_style_plain);
style_kb_rel.body.empty = 1;
style_kb_rel.body.radius = 0;
style_kb_rel.body.border.width = 1;
style_kb_rel.body.border.color = LV_COLOR_SILVER;
style_kb_rel.body.border.opa = LV_OPA_50;
style_kb_rel.body.main_color = LV_COLOR_HEX3(0x333); /*Recommended if LV_VDB_SIZE == 0 and bpp > 1 fonts are used*/
style_kb_rel.body.grad_color = LV_COLOR_HEX3(0x333);
style_kb_rel.text.color = LV_COLOR_WHITE;
lv_style_copy(&style_kb_pr, &lv_style_plain);
style_kb_pr.body.radius = 0;
style_kb_pr.body.opa = LV_OPA_50;
style_kb_pr.body.main_color = LV_COLOR_WHITE;
style_kb_pr.body.grad_color = LV_COLOR_WHITE;
style_kb_pr.body.border.width = 1;
style_kb_pr.body.border.color = LV_COLOR_SILVER;
keyboard_open_close(ta);
}
/**
* Set a style of a drop down list
* @param ddlist pointer to a drop down list object
* @param type which style should be set
* @param style pointer to a style
*/
void lv_ddlist_set_style(lv_obj_t *ddlist, lv_ddlist_style_t type, lv_style_t *style)
{
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_SB:
lv_page_set_style(ddlist, LV_PAGE_STYLE_SB, style);
break;
case LV_DDLIST_STYLE_SEL:
ext->sel_style = style;
lv_obj_t *scrl = lv_page_get_scrl(ddlist);
lv_obj_refresh_ext_size(scrl); /*Because of the wider selected rectangle*/
break;
}
}
static void chart_create(lv_obj_t *parent)
{
lv_page_set_style(parent, LV_PAGE_STYLE_BG, &lv_style_transp_fit);
lv_page_set_style(parent, LV_PAGE_STYLE_SCRL, &lv_style_transp_fit);
lv_page_set_scrl_fit(parent, false, false);
lv_page_set_scrl_height(parent, lv_obj_get_height(parent));
lv_page_set_sb_mode(parent, LV_SB_MODE_OFF);
static lv_style_t style_chart;
lv_style_copy(&style_chart, &lv_style_pretty);
style_chart.body.opa = LV_OPA_60;
style_chart.body.radius = 0;
style_chart.line.color = LV_COLOR_GRAY;
chart = lv_chart_create(parent, NULL);
lv_obj_set_size(chart, 2 * lv_obj_get_width(parent) / 3, lv_obj_get_height(parent) / 2);
lv_obj_align(chart, NULL, LV_ALIGN_IN_TOP_MID, 0, LV_DPI / 4);
lv_chart_set_type(chart, LV_CHART_TYPE_COLUMN);
lv_chart_set_style(chart, &style_chart);
lv_chart_set_series_opa(chart, LV_OPA_70);
lv_chart_series_t *ser1;
ser1 = lv_chart_add_series(chart, LV_COLOR_RED);
lv_chart_set_next(chart, ser1, 40);
lv_chart_set_next(chart, ser1, 30);
lv_chart_set_next(chart, ser1, 47);
lv_chart_set_next(chart, ser1, 59);
lv_chart_set_next(chart, ser1, 59);
lv_chart_set_next(chart, ser1, 31);
lv_chart_set_next(chart, ser1, 55);
lv_chart_set_next(chart, ser1, 70);
lv_chart_set_next(chart, ser1, 82);
/*Create a bar, an indicator and a knob style*/
static lv_style_t style_bar;
static lv_style_t style_indic;
static lv_style_t style_knob;
lv_style_copy(&style_bar, &lv_style_pretty);
style_bar.body.main_color = LV_COLOR_BLACK;
style_bar.body.grad_color = LV_COLOR_GRAY;
style_bar.body.radius = LV_RADIUS_CIRCLE;
style_bar.body.border.color = LV_COLOR_WHITE;
style_bar.body.opa = LV_OPA_60;
style_bar.body.padding.hor = 0;
style_bar.body.padding.ver = LV_DPI / 10;
lv_style_copy(&style_indic, &lv_style_pretty);
style_indic.body.grad_color = LV_COLOR_MARRON;
style_indic.body.main_color = LV_COLOR_RED;
style_indic.body.radius = LV_RADIUS_CIRCLE;
style_indic.body.shadow.width = LV_DPI / 10;
style_indic.body.shadow.color = LV_COLOR_RED;
style_indic.body.padding.hor = LV_DPI / 30;
style_indic.body.padding.ver = LV_DPI / 30;
lv_style_copy(&style_knob, &lv_style_pretty);
style_knob.body.radius = LV_RADIUS_CIRCLE;
style_knob.body.opa = LV_OPA_70;
/*Create a second slider*/
lv_obj_t *slider = lv_slider_create(parent, NULL);
lv_slider_set_style(slider, LV_SLIDER_STYLE_BG, &style_bar);
lv_slider_set_style(slider, LV_SLIDER_STYLE_INDIC, &style_indic);
lv_slider_set_style(slider, LV_SLIDER_STYLE_KNOB, &style_knob);
lv_obj_set_size(slider, lv_obj_get_width(chart), LV_DPI / 3);
lv_obj_align(slider, chart, LV_ALIGN_OUT_BOTTOM_MID, 0, (LV_VER_RES - chart->coords.y2 - lv_obj_get_height(slider)) / 2); /*Align to below the chart*/
lv_slider_set_action(slider, slider_action);
lv_slider_set_range(slider, 10, 1000);
lv_slider_set_value(slider, 700);
slider_action(slider); /*Simulate a user value set the refresh the chart*/
}
/**
* 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 tab views to test their functionalities
*/
void lv_test_tabview_1(void)
{
/* Default object. It will be an empty tab view*/
lv_obj_t *tv1 = lv_tabview_create(lv_scr_act(), NULL);
lv_tabview_add_tab(tv1, "First");
lv_tabview_add_tab(tv1, "Second");
lv_obj_set_size(tv1, LV_HOR_RES / 2 - 10, LV_VER_RES / 2 - 10);
/*Copy the first tabview and add some texts*/
lv_obj_t *tv2 = lv_tabview_create(lv_scr_act(), tv1);
lv_obj_align(tv2, NULL, LV_ALIGN_IN_TOP_RIGHT, 0, 0);
lv_obj_t *tab = lv_tabview_get_tab(tv2, 0);
lv_obj_t *label = lv_label_create(tab, NULL);
lv_label_set_text(label, "This is\n\n\nA long text\n\n\ntext\n\n\non the\n\n\nsecond\n\n\ntab\n\n\nto see\n\n\nthe scrolling");
tab = lv_tabview_get_tab(tv2, 1);
label = lv_label_create(tab, NULL);
lv_label_set_text(label, "This is the second tab");
/*Create styles*/
static lv_style_t bg;
static lv_style_t sb;
static lv_style_t btns_bg;
static lv_style_t tab_bg;
static lv_style_t rel;
static lv_style_t pr;
static lv_style_t tgl_rel;
static lv_style_t tgl_pr;
static lv_style_t indic;
lv_style_copy(&btns_bg, &lv_style_plain_color);
lv_style_copy(&tab_bg, &lv_style_pretty_color);
lv_style_copy(&bg, &lv_style_pretty_color);
lv_style_copy(&sb, &lv_style_pretty);
lv_style_copy(&btns_bg, &lv_style_transp_fit);
lv_style_copy(&rel, &lv_style_plain);
lv_style_copy(&pr, &lv_style_plain);
lv_style_copy(&tgl_rel, &lv_style_plain);
lv_style_copy(&tgl_pr, &lv_style_plain);
lv_style_copy(&indic, &lv_style_plain);
rel.body.main_color = LV_COLOR_SILVER;
pr.body.main_color = LV_COLOR_GRAY;
tgl_rel.body.main_color = LV_COLOR_RED;
tgl_pr.body.main_color = LV_COLOR_MARRON;
indic.body.main_color = LV_COLOR_ORANGE;
indic.body.grad_color = LV_COLOR_ORANGE;
indic.body.padding.inner = LV_DPI / 16;
tab_bg.body.main_color = LV_COLOR_SILVER;
tab_bg.body.grad_color = LV_COLOR_GREEN;
tab_bg.text.color = LV_COLOR_YELLOW;
/*Apply the styles*/
lv_obj_t *tv3 = lv_tabview_create(lv_scr_act(), tv2);
lv_obj_align(tv3, NULL, LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_BG, &bg);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_BTN_BG, &btns_bg);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_BTN_REL, &rel);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_BTN_PR, &pr);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_BTN_TGL_REL, &tgl_rel);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_BTN_TGL_PR, &tgl_pr);
lv_tabview_set_style(tv3, LV_TABVIEW_STYLE_INDIC, &indic);
tab = lv_tabview_get_tab(tv3, 0);
lv_page_set_style(tab, LV_PAGE_STYLE_BG, &tab_bg);
lv_page_set_style(tab, LV_PAGE_STYLE_SB, &sb);
label = lv_label_create(tab, NULL);
lv_label_set_text(label, "This is\n\n\nA long text\n\n\ntext\n\n\non the\n\n\nsecond\n\n\ntab\n\n\nto see\n\n\nthe scrolling");
tab = lv_tabview_get_tab(tv3, 1);
label = lv_label_create(tab, NULL);
lv_label_set_text(label, "This is the second tab");
/*Copy the styles tab view*/
lv_obj_t *tv4 = lv_tabview_create(lv_scr_act(), tv3);
lv_obj_align(tv4, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
}
/**
* 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;
}