533 lines
15 KiB
C
533 lines
15 KiB
C
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/*
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* Copyright (c) 2019 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file lv_mbox.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "lv_mbox.h"
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#if USE_LV_MBOX != 0
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#include "../lv_core/lv_group.h"
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#include "../lv_themes/lv_theme.h"
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#include "../lv_misc/lv_anim.h"
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#include "../lv_misc/lv_math.h"
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/*********************
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* DEFINES
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*********************/
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#if USE_LV_ANIMATION
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# ifndef LV_MBOX_CLOSE_ANIM_TIME
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# define LV_MBOX_CLOSE_ANIM_TIME 200 /*List close animation time) */
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# endif
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#else
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# undef LV_MBOX_CLOSE_ANIM_TIME
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# define LV_MBOX_CLOSE_ANIM_TIME 0 /*No animations*/
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#endif
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static lv_res_t lv_mbox_signal(lv_obj_t * mbox, lv_signal_t sign, void * param);
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static void mbox_realign(lv_obj_t * mbox);
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static lv_res_t lv_mbox_close_action(lv_obj_t * btn, const char * txt);
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#if USE_LV_ANIMATION
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static void lv_mbox_close_end_cb(lv_obj_t * mbox);
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#endif
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/**********************
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* STATIC VARIABLES
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**********************/
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static lv_signal_func_t ancestor_signal;
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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/**
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* Create a message box objects
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* @param par pointer to an object, it will be the parent of the new message box
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* @param copy pointer to a message box object, if not NULL then the new object will be copied from it
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* @return pointer to the created message box
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*/
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lv_obj_t * lv_mbox_create(lv_obj_t * par, const lv_obj_t * copy)
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{
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LV_LOG_TRACE("mesasge box create started");
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/*Create the ancestor message box*/
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lv_obj_t * new_mbox = lv_cont_create(par, copy);
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lv_mem_assert(new_mbox);
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if(new_mbox == NULL) return NULL;
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if(ancestor_signal == NULL) ancestor_signal = lv_obj_get_signal_func(new_mbox);
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/*Allocate the message box type specific extended data*/
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lv_mbox_ext_t * ext = lv_obj_allocate_ext_attr(new_mbox, sizeof(lv_mbox_ext_t));
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lv_mem_assert(ext);
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if(ext == NULL) return NULL;
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ext->text = NULL;
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ext->btnm = NULL;
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ext->anim_time = LV_MBOX_CLOSE_ANIM_TIME;
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/*The signal and design functions are not copied so set them here*/
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lv_obj_set_signal_func(new_mbox, lv_mbox_signal);
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/*Init the new message box message box*/
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if(copy == NULL) {
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ext->text = lv_label_create(new_mbox, NULL);
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lv_label_set_align(ext->text, LV_LABEL_ALIGN_CENTER);
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lv_label_set_long_mode(ext->text, LV_LABEL_LONG_BREAK);
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lv_label_set_text(ext->text, "Message");
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lv_cont_set_layout(new_mbox, LV_LAYOUT_COL_M);
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lv_cont_set_fit(new_mbox, false, true);
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lv_obj_set_width(new_mbox, LV_HOR_RES / 2);
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lv_obj_align(new_mbox, NULL, LV_ALIGN_CENTER, 0, 0);
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/*Set the default styles*/
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lv_theme_t * th = lv_theme_get_current();
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if(th) {
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lv_mbox_set_style(new_mbox, LV_MBOX_STYLE_BG, th->mbox.bg);
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} else {
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lv_mbox_set_style(new_mbox, LV_MBOX_STYLE_BG, &lv_style_pretty);
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}
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}
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/*Copy an existing message box*/
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else {
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lv_mbox_ext_t * copy_ext = lv_obj_get_ext_attr(copy);
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ext->text = lv_label_create(new_mbox, copy_ext->text);
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/*Copy the buttons and the label on them*/
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if(copy_ext->btnm) ext->btnm = lv_btnm_create(new_mbox, copy_ext->btnm);
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/*Refresh the style with new signal function*/
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lv_obj_refresh_style(new_mbox);
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}
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LV_LOG_INFO("mesasge box created");
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return new_mbox;
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}
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/*======================
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* Add/remove functions
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*=====================*/
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/**
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* Add button to the message box
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* @param mbox pointer to message box object
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* @param btn_map button descriptor (button matrix map).
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* E.g. a const char *txt[] = {"ok", "close", ""} (Can not be local variable)
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* @param action a function which will be called when a button is released
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*/
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void lv_mbox_add_btns(lv_obj_t * mbox, const char ** btn_map, lv_btnm_action_t action)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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/*Create a button matrix if not exists yet*/
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if(ext->btnm == NULL) {
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ext->btnm = lv_btnm_create(mbox, NULL);
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/*Set the default styles*/
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lv_theme_t * th = lv_theme_get_current();
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if(th) {
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lv_mbox_set_style(mbox, LV_MBOX_STYLE_BTN_BG, th->mbox.btn.bg);
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lv_mbox_set_style(mbox, LV_MBOX_STYLE_BTN_REL, th->mbox.btn.rel);
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lv_mbox_set_style(mbox, LV_MBOX_STYLE_BTN_PR, th->mbox.btn.pr);
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} else {
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BG, &lv_style_transp_fit);
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}
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}
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lv_btnm_set_map(ext->btnm, btn_map);
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if(action == NULL) lv_btnm_set_action(ext->btnm, lv_mbox_close_action); /*Set a default action anyway*/
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else lv_btnm_set_action(ext->btnm, action);
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mbox_realign(mbox);
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}
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/*=====================
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* Setter functions
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*====================*/
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/**
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* Set the text of the message box
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* @param mbox pointer to a message box
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* @param txt a '\0' terminated character string which will be the message box text
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*/
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void lv_mbox_set_text(lv_obj_t * mbox, const char * txt)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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lv_label_set_text(ext->text, txt);
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mbox_realign(mbox);
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}
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/**
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* Stop the action to call when button is released
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* @param pointer to an 'lv_btnm_action_t' action. In the action you need to use `lv_mbox_get_from_btn()` to get the `mbox`.
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* @param pointer to an 'lv_btnm_action_t' action
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*/
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void lv_mbox_set_action(lv_obj_t * mbox, lv_btnm_action_t action)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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lv_btnm_set_action(ext->btnm, action);
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}
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/**
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* Set animation duration
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* @param mbox pointer to a message box object
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* @param anim_time animation length in milliseconds (0: no animation)
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*/
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void lv_mbox_set_anim_time(lv_obj_t * mbox, uint16_t anim_time)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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#if USE_LV_ANIMATION == 0
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anim_time = 0;
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#endif
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ext->anim_time = anim_time;
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}
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/**
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* Automatically delete the message box after a given time
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* @param mbox pointer to a message box object
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* @param delay a time (in milliseconds) to wait before delete the message box
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*/
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void lv_mbox_start_auto_close(lv_obj_t * mbox, uint16_t delay)
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{
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#if USE_LV_ANIMATION
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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if(ext->anim_time != 0) {
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/*Add shrinking animations*/
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lv_obj_animate(mbox, LV_ANIM_GROW_H | LV_ANIM_OUT, ext->anim_time, delay, NULL);
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lv_obj_animate(mbox, LV_ANIM_GROW_V | LV_ANIM_OUT, ext->anim_time, delay, lv_mbox_close_end_cb);
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/*Disable fit to let shrinking work*/
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lv_cont_set_fit(mbox, false, false);
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} else {
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lv_obj_animate(mbox, LV_ANIM_NONE, ext->anim_time, delay, lv_mbox_close_end_cb);
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}
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#else
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(void)delay; /*Unused*/
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lv_obj_del(mbox);
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#endif
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}
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/**
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* Stop the auto. closing of message box
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* @param mbox pointer to a message box object
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*/
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void lv_mbox_stop_auto_close(lv_obj_t * mbox)
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{
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#if USE_LV_ANIMATION
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lv_anim_del(mbox, NULL);
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#else
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(void)mbox; /*Unused*/
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#endif
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}
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/**
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* Set a style of a message box
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* @param mbox pointer to a message box object
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* @param type which style should be set
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* @param style pointer to a style
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*/
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void lv_mbox_set_style(lv_obj_t * mbox, lv_mbox_style_t type, lv_style_t * style)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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switch(type) {
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case LV_MBOX_STYLE_BG:
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lv_obj_set_style(mbox, style);
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break;
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case LV_MBOX_STYLE_BTN_BG:
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BG, style);
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break;
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case LV_MBOX_STYLE_BTN_REL:
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BTN_REL, style);
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break;
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case LV_MBOX_STYLE_BTN_PR:
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BTN_PR, style);
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break;
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case LV_MBOX_STYLE_BTN_TGL_REL:
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BTN_TGL_REL, style);
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break;
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case LV_MBOX_STYLE_BTN_TGL_PR:
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BTN_TGL_PR, style);
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break;
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case LV_MBOX_STYLE_BTN_INA:
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lv_btnm_set_style(ext->btnm, LV_BTNM_STYLE_BTN_INA, style);
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break;
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}
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mbox_realign(mbox);
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}
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/**
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* Set whether recoloring is enabled
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* @param btnm pointer to button matrix object
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* @param en whether recoloring is enabled
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*/
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void lv_mbox_set_recolor(lv_obj_t * mbox, bool en)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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if(ext->btnm)
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lv_btnm_set_recolor(ext->btnm, en);
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}
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void lv_mbox_set_recolor_text(lv_obj_t * mbox, bool en)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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if (ext->text)
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lv_label_set_recolor(ext->text, en);
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}
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/*=====================
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* Getter functions
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*====================*/
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/**
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* Get the text of the message box
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* @param mbox pointer to a message box object
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* @return pointer to the text of the message box
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*/
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const char * lv_mbox_get_text(const lv_obj_t * mbox)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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return lv_label_get_text(ext->text);
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}
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/**
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* Get the message box object from one of its button.
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* It is useful in the button release actions where only the button is known
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* @param btn pointer to a button of a message box
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* @return pointer to the button's message box
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*/
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lv_obj_t * lv_mbox_get_from_btn(const lv_obj_t * btn)
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{
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lv_obj_t * mbox = lv_obj_get_parent(btn);
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return mbox;
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}
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/**
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* Get the animation duration (close animation time)
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* @param mbox pointer to a message box object
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* @return animation length in milliseconds (0: no animation)
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*/
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uint16_t lv_mbox_get_anim_time(const lv_obj_t * mbox)
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{
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lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
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||
|
|
return ext->anim_time;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get a style of a message box
|
||
|
|
* @param mbox pointer to a message box object
|
||
|
|
* @param type which style should be get
|
||
|
|
* @return style pointer to a style
|
||
|
|
*/
|
||
|
|
lv_style_t * lv_mbox_get_style(const lv_obj_t * mbox, lv_mbox_style_t type)
|
||
|
|
{
|
||
|
|
lv_style_t * style = NULL;
|
||
|
|
lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
|
||
|
|
|
||
|
|
switch(type) {
|
||
|
|
case LV_MBOX_STYLE_BG:
|
||
|
|
style = lv_obj_get_style(mbox);
|
||
|
|
break;
|
||
|
|
case LV_MBOX_STYLE_BTN_BG:
|
||
|
|
style = lv_btnm_get_style(ext->btnm, LV_BTNM_STYLE_BG);
|
||
|
|
break;
|
||
|
|
case LV_MBOX_STYLE_BTN_REL:
|
||
|
|
style = lv_btnm_get_style(ext->btnm, LV_BTNM_STYLE_BTN_REL);
|
||
|
|
break;
|
||
|
|
case LV_MBOX_STYLE_BTN_PR:
|
||
|
|
style = lv_btnm_get_style(ext->btnm, LV_BTNM_STYLE_BTN_PR);
|
||
|
|
break;
|
||
|
|
case LV_MBOX_STYLE_BTN_TGL_REL:
|
||
|
|
style = lv_btnm_get_style(ext->btnm, LV_BTNM_STYLE_BTN_TGL_REL);
|
||
|
|
break;
|
||
|
|
case LV_MBOX_STYLE_BTN_TGL_PR:
|
||
|
|
style = lv_btnm_get_style(ext->btnm, LV_BTNM_STYLE_BTN_TGL_PR);
|
||
|
|
break;
|
||
|
|
case LV_MBOX_STYLE_BTN_INA:
|
||
|
|
style = lv_btnm_get_style(ext->btnm, LV_BTNM_STYLE_BTN_INA);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
style = NULL;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get whether recoloring is enabled
|
||
|
|
* @param btnm pointer to button matrix object
|
||
|
|
* @return whether recoloring is enabled
|
||
|
|
*/
|
||
|
|
bool lv_mbox_get_recolor(const lv_obj_t * mbox)
|
||
|
|
{
|
||
|
|
lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
|
||
|
|
|
||
|
|
if(!ext->btnm)
|
||
|
|
return false;
|
||
|
|
|
||
|
|
return lv_btnm_get_recolor(ext->btnm);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**********************
|
||
|
|
* STATIC FUNCTIONS
|
||
|
|
**********************/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Signal function of the message box
|
||
|
|
* @param mbox pointer to a message box 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_mbox_signal(lv_obj_t * mbox, lv_signal_t sign, void * param)
|
||
|
|
{
|
||
|
|
lv_res_t res;
|
||
|
|
|
||
|
|
/*Translate LV_GROUP_KEY_UP/DOWN to LV_GROUP_KEY_LEFT/RIGHT */
|
||
|
|
char c_trans = 0;
|
||
|
|
if(sign == LV_SIGNAL_CONTROLL) {
|
||
|
|
c_trans = *((char *)param);
|
||
|
|
if(c_trans == LV_GROUP_KEY_DOWN) c_trans = LV_GROUP_KEY_LEFT;
|
||
|
|
if(c_trans == LV_GROUP_KEY_UP) c_trans = LV_GROUP_KEY_RIGHT;
|
||
|
|
|
||
|
|
param = &c_trans;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Include the ancient signal function */
|
||
|
|
res = ancestor_signal(mbox, sign, param);
|
||
|
|
if(res != LV_RES_OK) return res;
|
||
|
|
|
||
|
|
lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
|
||
|
|
if(sign == LV_SIGNAL_CORD_CHG) {
|
||
|
|
if(lv_obj_get_width(mbox) != lv_area_get_width(param)) {
|
||
|
|
mbox_realign(mbox);
|
||
|
|
}
|
||
|
|
} else if(sign == LV_SIGNAL_STYLE_CHG) {
|
||
|
|
mbox_realign(mbox);
|
||
|
|
|
||
|
|
} else if(sign == LV_SIGNAL_FOCUS || sign == LV_SIGNAL_DEFOCUS ||
|
||
|
|
sign == LV_SIGNAL_CONTROLL || sign == LV_SIGNAL_GET_EDITABLE) {
|
||
|
|
if(ext->btnm) {
|
||
|
|
ext->btnm->signal_func(ext->btnm, sign, param);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* The button matrix with ENCODER input supposes it's in a group but in this case it isn't (Only the message box's container)
|
||
|
|
* So so some actions here instead*/
|
||
|
|
if(sign == LV_SIGNAL_FOCUS) {
|
||
|
|
#if USE_LV_GROUP
|
||
|
|
lv_indev_t * indev = lv_indev_get_act();
|
||
|
|
lv_hal_indev_type_t indev_type = lv_indev_get_type(indev);
|
||
|
|
if(indev_type == LV_INDEV_TYPE_ENCODER) {
|
||
|
|
/*In navigation mode don't select any button but in edit mode select the fist*/
|
||
|
|
lv_btnm_ext_t * btnm_ext = lv_obj_get_ext_attr(ext->btnm);
|
||
|
|
if(lv_group_get_editing(lv_obj_get_group(mbox))) btnm_ext->btn_id_pr = 0;
|
||
|
|
else btnm_ext->btn_id_pr = LV_BTNM_PR_NONE;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
} 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_mbox";
|
||
|
|
}
|
||
|
|
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resize the button holder to fit
|
||
|
|
* @param mbox pointer to message box object
|
||
|
|
*/
|
||
|
|
static void mbox_realign(lv_obj_t * mbox)
|
||
|
|
{
|
||
|
|
lv_mbox_ext_t * ext = lv_obj_get_ext_attr(mbox);
|
||
|
|
|
||
|
|
lv_style_t * style = lv_mbox_get_style(mbox, LV_MBOX_STYLE_BG);
|
||
|
|
lv_coord_t w = lv_obj_get_width(mbox) - 2 * style->body.padding.hor;
|
||
|
|
|
||
|
|
if(ext->text) {
|
||
|
|
lv_obj_set_width(ext->text, w);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(ext->btnm) {
|
||
|
|
lv_style_t * btn_bg_style = lv_mbox_get_style(mbox, LV_MBOX_STYLE_BTN_BG);
|
||
|
|
lv_style_t * btn_rel_style = lv_mbox_get_style(mbox, LV_MBOX_STYLE_BTN_REL);
|
||
|
|
lv_coord_t font_h = lv_font_get_height(btn_rel_style->text.font);
|
||
|
|
lv_obj_set_size(ext->btnm, w, font_h + 2 * btn_rel_style->body.padding.ver + 2 * btn_bg_style->body.padding.ver);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static lv_res_t lv_mbox_close_action(lv_obj_t * btn, const char * txt)
|
||
|
|
{
|
||
|
|
lv_obj_t * mbox = lv_mbox_get_from_btn(btn);
|
||
|
|
|
||
|
|
if(txt[0] != '\0') {
|
||
|
|
lv_mbox_start_auto_close(mbox, 0);
|
||
|
|
return LV_RES_INV;
|
||
|
|
}
|
||
|
|
|
||
|
|
return LV_RES_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
#if USE_LV_ANIMATION
|
||
|
|
static void lv_mbox_close_end_cb(lv_obj_t * mbox)
|
||
|
|
{
|
||
|
|
lv_obj_del(mbox);
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#endif
|