Beispiel #1
0
/**
 * Open the application in a window
 * @param app pointer to an application
 * @param win pointer to a window object where
 *            the application can create content
 */
static void my_win_open(lv_app_inst_t * app, lv_obj_t * win)
{
	lv_obj_t * ta;
	ta = lv_ta_create(win, NULL);
    lv_obj_set_size_us(ta, 200, 100);
	lv_obj_set_pos_us(ta, 0, 0);
    lv_obj_set_free_p(ta, app);
	lv_page_set_rel_action(ta, ta_rel_action);
	lv_ta_set_text(ta, "Write a text to send to the other applications");
}
Beispiel #2
0
/**
 * 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;
}
Beispiel #3
0
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);
}
Beispiel #4
0
/**
 * 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;
}
Beispiel #5
0
/**
 * 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);
}
Beispiel #6
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;
}