/**
* Create lists to test their functionalities
*/
void lv_test_list_1(void)
{
/* Default object. It will be an empty list*/
list1 = lv_list_create(lv_scr_act(), NULL);
lv_obj_set_pos(list1, 10, 10);
list2 = lv_list_create(lv_scr_act(), NULL);
lv_obj_align(list2, list1, LV_ALIGN_OUT_RIGHT_TOP, 20, 0);
lv_list_add(list2, SYMBOL_FILE, "File", NULL);
lv_list_add(list2, SYMBOL_DIRECTORY, "Directory", NULL);
lv_list_add(list2, &img_flower_icon, "Image icon", NULL);
lv_obj_set_width(list2, 100);
list3 = lv_list_create(lv_scr_act(), list2);
lv_obj_align(list3, list2, LV_ALIGN_OUT_RIGHT_TOP, 20, 0);
lv_list_add(list3, NULL, "No icon", NULL);
lv_list_add(list3, SYMBOL_CLOSE, "", NULL);
lv_list_add(list3, SYMBOL_UP, "Up", NULL);
lv_list_add(list3, SYMBOL_DOWN, "Down", NULL);
static lv_style_t sb;
static lv_style_t bg;
lv_style_copy(&sb, &lv_style_pretty_color);
lv_style_copy(&bg, &lv_style_pretty_color);
sb.body.padding.hor = -10;
sb.body.padding.inner = 10;
bg.body.padding.hor = 20;
list4 = lv_list_create(lv_scr_act(), list3);
lv_list_set_style(list4, LV_LIST_STYLE_BG, &bg);
lv_list_set_style(list4, LV_LIST_STYLE_SB, &sb);
lv_obj_align(list4, list3, LV_ALIGN_OUT_RIGHT_TOP, 20, 0);
lv_obj_set_width(list4, 200);
/*Add list up/down buttons*/
lv_obj_t *btn_up = lv_btn_create(lv_scr_act(), NULL);
lv_obj_align(btn_up, list1, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 10);
lv_btn_set_action(btn_up, LV_BTN_ACTION_CLICK, list_move);
lv_obj_set_free_num(btn_up, 0);
lv_obj_t *label = lv_label_create(btn_up, NULL);
lv_label_set_text(label, SYMBOL_UP);
lv_obj_t *btn_down = lv_btn_create(lv_scr_act(), btn_up);
lv_obj_align(btn_down, btn_up, LV_ALIGN_OUT_RIGHT_MID, 10, 0);
lv_obj_set_free_num(btn_down, 1);
label = lv_label_create(btn_down, NULL);
lv_label_set_text(label, SYMBOL_DOWN);
}
/**
* Open a terminal
* @return pointer to the terminal window
*/
lv_obj_t * terminal_create(void)
{
static lv_style_t style_bg;
lv_style_copy(&style_bg, &lv_style_pretty);
style_bg.body.main_color = LV_COLOR_MAKE(0x30, 0x30, 0x30);
style_bg.body.grad_color = LV_COLOR_MAKE(0x30, 0x30, 0x30);
style_bg.body.border.color = LV_COLOR_WHITE;
style_bg.text.color = LV_COLOR_MAKE(0xE0, 0xE0, 0xE0);
win = lv_win_create(lv_scr_act(), NULL);
lv_win_set_style(win, LV_WIN_STYLE_BG, &style_bg);
lv_obj_set_size(win, TERMINAL_WIDTH, TERMINAL_HEIGHT);
lv_win_set_sb_mode(win, LV_SB_MODE_AUTO);
lv_win_add_btn(win, SYMBOL_CLOSE, win_close_action);
/*Make the window's content responsive*/
lv_win_set_layout(win, LV_LAYOUT_PRETTY);
/*Create a label for the text of the terminal*/
label = lv_label_create(win, NULL);
lv_label_set_long_mode(label, LV_LABEL_LONG_BREAK);
lv_obj_set_width(label, lv_win_get_width(win));
lv_label_set_static_text(label, txt_log); /*Use the text array directly*/
/*Create a clear button*/
clr_btn = lv_btn_create(win, NULL);
lv_cont_set_fit(clr_btn, true, true);
lv_btn_set_action(clr_btn, LV_BTN_ACTION_CLICK, clr_click_action);
lv_obj_t * btn_label = lv_label_create(clr_btn, NULL);
lv_label_set_text(btn_label, "Clear");
return win;
}
/**
* Create a demo application
*/
void demo_create(void)
{
#if LV_DEMO_WALLPAPER
lv_obj_t *wp = lv_img_create(lv_scr_act(), NULL);
lv_img_set_src(wp, &img_bubble_pattern);
lv_obj_set_width(wp, LV_HOR_RES * 4);
lv_obj_set_protect(wp, LV_PROTECT_POS);
#endif
static lv_style_t style_tv_btn_bg;
lv_style_copy(&style_tv_btn_bg, &lv_style_plain);
style_tv_btn_bg.body.main_color = LV_COLOR_HEX(0x487fb7);
style_tv_btn_bg.body.grad_color = LV_COLOR_HEX(0x487fb7);
style_tv_btn_bg.body.padding.ver = 0;
static lv_style_t style_tv_btn_rel;
lv_style_copy(&style_tv_btn_rel, &lv_style_btn_rel);
style_tv_btn_rel.body.empty = 1;
style_tv_btn_rel.body.border.width = 0;
static lv_style_t style_tv_btn_pr;
lv_style_copy(&style_tv_btn_pr, &lv_style_btn_pr);
style_tv_btn_pr.body.radius = 0;
style_tv_btn_pr.body.opa = LV_OPA_50;
style_tv_btn_pr.body.main_color = LV_COLOR_WHITE;
style_tv_btn_pr.body.grad_color = LV_COLOR_WHITE;
style_tv_btn_pr.body.border.width = 0;
style_tv_btn_pr.text.color = LV_COLOR_GRAY;
lv_obj_t *tv = lv_tabview_create(lv_scr_act(), NULL);
#if LV_DEMO_WALLPAPER
lv_obj_set_parent(wp, ((lv_tabview_ext_t *) tv->ext_attr)->content);
lv_obj_set_pos(wp, 0, -5);
#endif
lv_obj_t *tab1 = lv_tabview_add_tab(tv, "Write");
lv_obj_t *tab2 = lv_tabview_add_tab(tv, "List");
lv_obj_t *tab3 = lv_tabview_add_tab(tv, "Chart");
#if LV_DEMO_WALLPAPER == 0
/*Blue bg instead of wallpaper*/
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_BG, &style_tv_btn_bg);
#endif
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_BTN_BG, &style_tv_btn_bg);
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_INDIC, &lv_style_plain);
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_BTN_REL, &style_tv_btn_rel);
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_BTN_PR, &style_tv_btn_pr);
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_BTN_TGL_REL, &style_tv_btn_rel);
lv_tabview_set_style(tv, LV_TABVIEW_STYLE_BTN_TGL_PR, &style_tv_btn_pr);
write_create(tab1);
list_create(tab2);
chart_create(tab3);
#if LV_DEMO_SLIDE_SHOW
lv_task_create(tab_switcher, 3000, LV_TASK_PRIO_MID, tv);
#endif
}
/**
* Create message boxes to test their functionalities
*/
void lv_test_mbox_1(void)
{
/* Default object */
lv_obj_t *mbox1 = lv_mbox_create(lv_scr_act(), NULL);
lv_obj_set_pos(mbox1, 10, 10);
/*Add buttons and modify text*/
static const char * btns2[] = {"Ok", "Cancel", ""};
lv_obj_t *mbox2 = lv_mbox_create(lv_scr_act(), NULL);
lv_mbox_add_btns(mbox2, btns2, NULL);
lv_mbox_set_text(mbox2, "Message");
lv_obj_set_width(mbox2, LV_HOR_RES / 2);
lv_obj_align(mbox2, mbox1, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 10);
/*Add styles*/
static lv_style_t bg;
static lv_style_t btn_bg;
lv_style_copy(&bg, &lv_style_pretty);
lv_style_copy(&btn_bg, &lv_style_pretty);
bg.body.padding.hor = 20;
bg.body.padding.ver = 20;
bg.body.padding.inner = 20;
bg.body.main_color = LV_COLOR_BLACK;
bg.body.grad_color = LV_COLOR_MARRON;
bg.text.color = LV_COLOR_WHITE;
btn_bg.body.padding.hor = 10;
btn_bg.body.padding.ver = 5;
btn_bg.body.padding.inner = 40;
btn_bg.body.empty = 1;
btn_bg.body.border.color = LV_COLOR_WHITE;
btn_bg.text.color = LV_COLOR_WHITE;
static lv_style_t btn_rel;
lv_style_copy(&btn_rel, &lv_style_btn_rel);
btn_rel.body.empty = 1;
btn_rel.body.border.color = LV_COLOR_WHITE;
lv_obj_t *mbox3 = lv_mbox_create(lv_scr_act(), mbox2);
lv_mbox_set_style(mbox3, LV_MBOX_STYLE_BTN_REL, &btn_rel);
lv_mbox_set_style(mbox3, LV_MBOX_STYLE_BTN_BG, &btn_bg);
lv_mbox_set_style(mbox3, LV_MBOX_STYLE_BG, &bg);
lv_obj_align(mbox3, mbox1, LV_ALIGN_OUT_RIGHT_TOP, 10, 0);
lv_mbox_set_action(mbox3, mbox_action);
/*Copy with styles and set button width*/
lv_obj_t *mbox4 = lv_mbox_create(lv_scr_act(), mbox3);
lv_mbox_set_text(mbox4, "A quite long message text which is\n"
"manually broken into multiple lines");
static const char * btns3[] = {"Ok", "Cancel", "Third", ""};
lv_mbox_add_btns(mbox4, btns3, mbox_action);
lv_obj_align(mbox4, mbox3, LV_ALIGN_OUT_BOTTOM_LEFT, 0, 10);
}
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 ssd1306_task(void *pvParameters)
{
printf("%s: Started user interface task\n", __FUNCTION__);
vTaskDelay(SECOND);
ssd1306_set_whole_display_lighting(&dev, false);
//Set a style for the obj
lv_style_copy(&style, &lv_style_transp);
style.text.font = &lv_font_dejavu_10; /*Unicode and symbol fonts already assigned by the library*/
style.text.color.full = 1;
style.text.opa = 255;
style.body.main_color.full = 0;
style.body.grad_color.full = 0;
style.body.shadow.color.full = 0;
style.body.border.color.full = 0;
style.body.empty = 1;
style.image.color.full = 1;
style.image.intense = 255;
style.image.opa = 255;
style.line.color.full = 1;
style.line.opa = 255;
style.line.width = 1;
style.line.rounded = false;
//Create main screen obj
lv_obj_t * scr = lv_obj_create(NULL, NULL);
lv_scr_load(scr);
lv_obj_set_style(scr, &style);
//Create a simple label
label = lv_label_create(lv_scr_act(), NULL);
lv_obj_set_style(label, &style);
lv_obj_align(label, lv_scr_act(), LV_ALIGN_IN_TOP_LEFT, 0, 0);
lv_label_set_long_mode(label, LV_LABEL_LONG_BREAK);
lv_label_set_align(label, LV_LABEL_ALIGN_CENTER);
lv_label_set_text(label, "lvgl work with esp-open-rtos");
lv_obj_set_width(label, LV_HOR_RES);
while (1) {
/*draw system call */
lv_task_handler();
vTaskDelay(1);
}
}
/**
* Create an mpty list on the window. 'win_load_file_list' will fill it.
* @param app pointer to a Files application
*/
static void win_create_list(lv_app_inst_t * app)
{
my_win_data_t * win_data = app->win_data;
/*Delete the previous list*/
if(win_data->file_list != NULL) {
lv_obj_del(win_data->file_list);
}
/*Create a new list*/
win_data->file_list = lv_list_create(app->win, NULL);
lv_obj_set_width(win_data->file_list, lv_win_get_width(app->win));
lv_list_set_style_img(win_data->file_list, &style_btn_symbol);
lv_obj_set_style(lv_page_get_scrl(win_data->file_list), lv_style_get(LV_STYLE_TRANSP_TIGHT, NULL));
lv_obj_set_drag_parent(win_data->file_list, true);
lv_obj_set_drag_parent(lv_page_get_scrl(win_data->file_list), true);
lv_cont_set_fit(win_data->file_list, false, true);
lv_cont_set_layout(lv_page_get_scrl(win_data->file_list), LV_CONT_LAYOUT_COL_L);
}
/**********************
* 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);
}
/**
* Decrease the width of the button.
* @param btn pointer to a button object
*/
static lv_res_t width_dec(lv_obj_t * btn)
{
lv_obj_set_width(btn, lv_obj_get_width(btn) - (10));
return LV_RES_OK;
}
/**
* Signal function of the scrollable part of a page
* @param scrl pointer to the scrollable object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
*/
static lv_res_t lv_page_scrollable_signal(lv_obj_t * scrl, lv_signal_t sign, void * param)
{
lv_res_t res;
/* Include the ancient signal function */
res = ancestor_signal(scrl, sign, param);
if(res != LV_RES_OK) return res;
lv_obj_t * page = lv_obj_get_parent(scrl);
lv_style_t * page_style = lv_obj_get_style(page);
lv_page_ext_t * page_ext = lv_obj_get_ext_attr(page);
if(sign == LV_SIGNAL_CORD_CHG) {
/*Be sure the width of the scrollable is correct*/
if(lv_cont_get_hor_fit(scrl) == false) {
lv_obj_set_width(scrl, lv_obj_get_width(page) - 2 * page_style->body.padding.hor);
}
/*Limit the position of the scrollable object to be always visible
* (Do not let its edge inner then its parent respective edge)*/
lv_coord_t new_x;
lv_coord_t new_y;
bool refr_x = false;
bool refr_y = false;
lv_area_t page_cords;
lv_area_t scrl_cords;
lv_coord_t hpad = page_style->body.padding.hor;
lv_coord_t vpad = page_style->body.padding.ver;
new_x = lv_obj_get_x(scrl);
new_y = lv_obj_get_y(scrl);
lv_obj_get_coords(scrl, &scrl_cords);
lv_obj_get_coords(page, &page_cords);
/*scrollable width smaller then page width? -> align to left*/
if(lv_area_get_width(&scrl_cords) + 2 * hpad < lv_area_get_width(&page_cords)) {
if(scrl_cords.x1 != page_cords.x1 + hpad) {
new_x = hpad;
refr_x = true;
}
} else {
/*The edges of the scrollable can not be in the page (minus hpad) */
if(scrl_cords.x2 < page_cords.x2 - hpad) {
new_x = lv_area_get_width(&page_cords) - lv_area_get_width(&scrl_cords) - hpad; /* Right align */
refr_x = true;
}
if (scrl_cords.x1 > page_cords.x1 + hpad) {
new_x = hpad; /*Left align*/
refr_x = true;
}
}
/*scrollable height smaller then page height? -> align to left*/
if(lv_area_get_height(&scrl_cords) + 2 * vpad < lv_area_get_height(&page_cords)) {
if(scrl_cords.y1 != page_cords.y1 + vpad) {
new_y = vpad;
refr_y = true;
}
} else {
/*The edges of the scrollable can not be in the page (minus vpad) */
if(scrl_cords.y2 < page_cords.y2 - vpad) {
new_y = lv_area_get_height(&page_cords) - lv_area_get_height(&scrl_cords) - vpad; /* Bottom align */
refr_y = true;
}
if (scrl_cords.y1 > page_cords.y1 + vpad) {
new_y = vpad; /*Top align*/
refr_y = true;
}
}
if(refr_x != false || refr_y != false) {
lv_obj_set_pos(scrl, new_x, new_y);
}
lv_page_sb_refresh(page);
}
else if(sign == LV_SIGNAL_DRAG_END) {
/*Hide scrollbars if required*/
if(page_ext->sb.mode == LV_SB_MODE_DRAG) {
lv_area_t sb_area_tmp;
if(page_ext->sb.hor_draw) {
lv_area_copy(&sb_area_tmp, &page_ext->sb.hor_area);
sb_area_tmp.x1 += page->coords.x1;
sb_area_tmp.y1 += page->coords.y1;
sb_area_tmp.x2 += page->coords.x2;
sb_area_tmp.y2 += page->coords.y2;
lv_inv_area(&sb_area_tmp);
page_ext->sb.hor_draw = 0;
}
if(page_ext->sb.ver_draw) {
lv_area_copy(&sb_area_tmp, &page_ext->sb.ver_area);
sb_area_tmp.x1 += page->coords.x1;
sb_area_tmp.y1 += page->coords.y1;
sb_area_tmp.x2 += page->coords.x2;
sb_area_tmp.y2 += page->coords.y2;
lv_inv_area(&sb_area_tmp);
page_ext->sb.ver_draw = 0;
}
}
}
else if(sign == LV_SIGNAL_PRESSED) {
if(page_ext->pr_action != NULL) {
page_ext->pr_action(page);
}
}
else if(sign == LV_SIGNAL_RELEASED) {
if(lv_indev_is_dragging(lv_indev_get_act()) == false) {
if(page_ext->rel_action != NULL) {
page_ext->rel_action(page);
}
}
}
return res;
}
/**
* Signal function of the page
* @param page pointer to a page object
* @param sign a signal type from lv_signal_t enum
* @param param pointer to a signal specific variable
* @return LV_RES_OK: the object is not deleted in the function; LV_RES_INV: the object is deleted
*/
static lv_res_t lv_page_signal(lv_obj_t * page, lv_signal_t sign, void * param)
{
lv_res_t res;
/* Include the ancient signal function */
res = ancestor_signal(page, sign, param);
if(res != LV_RES_OK) return res;
lv_page_ext_t * ext = lv_obj_get_ext_attr(page);
lv_style_t * style = lv_obj_get_style(page);
lv_obj_t * child;
if(sign == LV_SIGNAL_CHILD_CHG) { /*Automatically move children to the scrollable object*/
child = lv_obj_get_child(page, NULL);
while(child != NULL) {
if(lv_obj_is_protected(child, LV_PROTECT_PARENT) == false) {
lv_obj_t * tmp = child;
child = lv_obj_get_child(page, child); /*Get the next child before move this*/
lv_obj_set_parent(tmp, ext->scrl);
} else {
child = lv_obj_get_child(page, child);
}
}
}
else if(sign == LV_SIGNAL_STYLE_CHG) {
/*If no hor_fit enabled set the scrollable's width to the page's width*/
if(lv_cont_get_hor_fit(ext->scrl) == false) {
lv_obj_set_width(ext->scrl, lv_obj_get_width(page) - 2 * style->body.padding.hor);
} else {
ext->scrl->signal_func(ext->scrl, LV_SIGNAL_CORD_CHG, &ext->scrl->coords);
}
/*The scrollbars are important only if they are visible now*/
if(ext->sb.hor_draw || ext->sb.ver_draw) lv_page_sb_refresh(page);
/*Refresh the ext. size because the scrollbars might be positioned out of the page*/
lv_obj_refresh_ext_size(page);
}
else if(sign == LV_SIGNAL_CORD_CHG) {
/*Refresh the scrollbar and notify the scrl if the size is changed*/
if(ext->scrl != NULL && (lv_obj_get_width(page) != lv_area_get_width(param) ||
lv_obj_get_height(page) != lv_area_get_height(param)))
{
/*If no hor_fit enabled set the scrollable's width to the page's width*/
if(lv_cont_get_hor_fit(ext->scrl) == false) {
lv_obj_set_width(ext->scrl, lv_obj_get_width(page) - 2 * style->body.padding.hor);
}
ext->scrl->signal_func(ext->scrl, LV_SIGNAL_CORD_CHG, &ext->scrl->coords);
/*The scrollbars are important only if they are visible now*/
if(ext->sb.hor_draw || ext->sb.ver_draw) lv_page_sb_refresh(page);
}
}
else if(sign == LV_SIGNAL_PRESSED) {
if(ext->pr_action != NULL) {
ext->pr_action(page);
}
}
else if(sign == LV_SIGNAL_RELEASED) {
if(lv_indev_is_dragging(lv_indev_get_act()) == false) {
if(ext->rel_action != NULL) {
ext->rel_action(page);
}
}
}
else if(sign == LV_SIGNAL_REFR_EXT_SIZE) {
/*Ensure ext. size for the scrollbars if they are out of the page*/
if(page->ext_size < (-ext->sb.style->body.padding.hor)) page->ext_size = -ext->sb.style->body.padding.hor;
if(page->ext_size < (-ext->sb.style->body.padding.ver)) page->ext_size = -ext->sb.style->body.padding.ver;
}
else if(sign == LV_SIGNAL_GET_TYPE) {
lv_obj_type_t * buf = param;
uint8_t i;
for(i = 0; i < LV_MAX_ANCESTOR_NUM - 1; i++) { /*Find the last set data*/
if(buf->type[i] == NULL) break;
}
buf->type[i] = "lv_page";
}
return res;
}
