/** * Enable or disable the horizontal fit to the content * @param ddlist pointer to a drop down list * @param fit en true: enable auto fit; false: disable auto fit */ void lv_ddlist_set_hor_fit(lv_obj_t * ddlist, bool fit_en) { lv_cont_set_fit(ddlist, fit_en, lv_cont_get_ver_fit(ddlist)); lv_page_set_scrl_fit(ddlist, fit_en, lv_page_get_scrl_fit_ver(ddlist)); lv_ddlist_refr_size(ddlist, false); }
/** * 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 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); }
/** * 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; }
/********************** * 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); }
/** * Create objects to configure the applications * @param app pointer to an application which settings should be created * @param conf_win pointer to a window where the objects can be created * (the window has the proper layout) */ static void my_conf_open(lv_app_inst_t * app, lv_obj_t * conf_win) { my_app_data_t * app_data = app->app_data; /*Create check boxes*/ lv_obj_t * cb; /*Send file name check box*/ cb = lv_cb_create(conf_win, NULL); lv_cb_set_text(cb, "Send file name"); lv_obj_set_free_num(cb, SEND_SETTINGS_FN); lv_obj_set_free_p(cb, app); lv_btn_set_rel_action(cb, win_send_settings_element_rel_action); if(app_data->send_fn != 0) lv_btn_set_state(cb, LV_BTN_STATE_TREL); else lv_btn_set_state(cb, LV_BTN_STATE_REL); /*Send size check box*/ cb = lv_cb_create(conf_win, cb); lv_cb_set_text(cb, "Send size"); lv_obj_set_free_num(cb, SEND_SETTINGS_SIZE); if(app_data->send_size != 0) lv_btn_set_state(cb, LV_BTN_STATE_TREL); else lv_btn_set_state(cb, LV_BTN_STATE_REL); /*Send CRC check box*/ cb = lv_cb_create(conf_win, cb); lv_cb_set_text(cb, "Send CRC"); lv_obj_set_free_num(cb, SEND_SETTINGS_CRC); if(app_data->send_crc != 0) lv_btn_set_state(cb, LV_BTN_STATE_TREL); else lv_btn_set_state(cb, LV_BTN_STATE_REL); /*Create a text area to type chunk size*/ lv_obj_t * val_set_h; val_set_h = lv_cont_create(conf_win, NULL); lv_obj_set_style(val_set_h, lv_style_get(LV_STYLE_PLAIN_COLOR, NULL)); lv_obj_set_click(val_set_h, false); lv_cont_set_fit(val_set_h, true, true); lv_cont_set_layout(val_set_h, LV_CONT_LAYOUT_ROW_M); lv_obj_t * label; label = lv_label_create(val_set_h, NULL); lv_label_set_text(label, "Chunk size"); lv_obj_t * ta; char buf[32]; ta = lv_ta_create(val_set_h, NULL); lv_cont_set_fit(ta, false, true); lv_obj_set_free_num(ta, SEND_SETTINGS_CHUNK_SIZE); lv_obj_set_free_p(ta, app); lv_page_set_rel_action(ta, win_send_settings_element_rel_action); sprintf(buf, "%d", app_data->chunk_size); lv_ta_set_text(ta, buf); /*Create a text area to type the chunk delay*/ val_set_h = lv_cont_create(conf_win, val_set_h); label = lv_label_create(val_set_h, NULL); lv_label_set_text(label, "Inter-chunk delay"); ta = lv_ta_create(val_set_h, ta); lv_obj_set_free_num(ta, SEND_SETTINGS_CHUNK_DELAY); sprintf(buf, "%d", app_data->chunk_delay); lv_ta_set_text(ta, buf); }
/** * 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; }