forked from KolibriOS/kolibrios
249 lines
8.6 KiB
C
249 lines
8.6 KiB
C
/* Copyright (C) 2019-2021 Logaev Maxim (turbocat2001), GPLv2 */
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/*
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Info: App uses api from openweathermap.org.
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The standard configuration uses my token and the city of Moscow.
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You can always change it in the weather.json file.
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If you use UTF-8 encoding, then city names can be entered in different languages!
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*/
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#include <stdio.h>
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#include <string.h>
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#include "json/json.h"
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#include <kos32sys1.h>
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#include <kolibrisys.h>
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#include <clayer/http.h>
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#include <clayer/libimg.h>
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#define VERSION "Weather 1.0b"
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enum BUTTONS{
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BTN_QUIT = 1,
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BTN_UPDATE = 2
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};
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#define JSON_OBJ(X) value->u.object.values[X]
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#define OK 200
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#define API "http://api.openweathermap.org/data/2.5/weather?q=%s&appid=%s&units=metric"
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#define IMAGE_URL "http://openweathermap.org/img/w/%s.png"
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#define START_YPOS 34
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Image *image;
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char full_url[256];
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char full_url_image[256];
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struct kolibri_system_colors sys_color_table;
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#pragma pack(push,1)
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typedef struct {
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char *City;
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float wind_speed;
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//int wind_deg;
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int pressure;
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int humidity;
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char *weath_main;
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char *weath_desc;
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int visibility;
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int timezone;
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char* image_code;
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double temp;
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}open_weather_data;
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#pragma pack(pop)
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open_weather_data myw;
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void notify_show(char *text)
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{
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start_app("/sys/@notify", text);
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}
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void* safe_malloc(size_t size) // Безопасный malloc. Показывает уведомление об ошибке и закрывает программу если память не была выделена
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{
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void *p=malloc(size);
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if(p==NULL){
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notify_show("'Memory allocation error!' -E");
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exit(0);
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}else{
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return p;
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}
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}
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static void draw_format_text_sys(int x, int y, color_t color, const char *format_str, ... )
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{
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char tmp_buff[100];
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va_list ap;
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va_start (ap, format_str);
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vsnprintf(tmp_buff, sizeof tmp_buff ,format_str, ap);
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va_end(ap);
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draw_text_sys(tmp_buff, x, y , 0, color);
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}
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void find_and_set(json_value *value, open_weather_data* weather)
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{
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for(int i=0; i<value->u.object.length; i++){
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if(!strcmp(JSON_OBJ(i).name, "main")){
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weather->temp = JSON_OBJ(i).value->u.object.values[0].value->u.dbl;
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weather->pressure = JSON_OBJ(i).value->u.object.values[4].value->u.integer;
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weather->humidity = JSON_OBJ(i).value->u.object.values[5].value->u.integer;
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}
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if(!strcmp(JSON_OBJ(i).name, "name")){
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weather->City = JSON_OBJ(i).value->u.string.ptr;
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}
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if(!strcmp(JSON_OBJ(i).name, "weather")){
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weather->weath_desc = JSON_OBJ(i).value->u.array.values[0]->u.object.values[2].value->u.string.ptr;
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weather->image_code = JSON_OBJ(i).value->u.array.values[0]->u.object.values[3].value->u.string.ptr;
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}
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if(!strcmp(JSON_OBJ(i).name, "wind")){
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weather->wind_speed = JSON_OBJ(i).value->u.object.values[0].value->u.dbl;
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}
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if(!strcmp(JSON_OBJ(i).name, "visibility")){
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weather->visibility = JSON_OBJ(i).value->u.integer;
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}
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if(!strcmp(JSON_OBJ(i).name, "timezone")){
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weather->timezone = JSON_OBJ(i).value->u.integer/60/60;
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}
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if(!strcmp(JSON_OBJ(i).name, "message")){
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char *errmsg = safe_malloc(weather->timezone = JSON_OBJ(i).value->u.string.length+6);
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sprintf(errmsg,"'%s!' -E", JSON_OBJ(i).value->u.string.ptr);
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notify_show(errmsg);
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}
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}
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}
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http_msg* get_json(char *City, char *Token)
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{
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sprintf(full_url, API, City, Token);
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http_msg *h = http_get(full_url, 0, HTTP_FLAG_BLOCK, "");
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http_long_receive(h);
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if (h->status == OK || h->status == 404) {
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return h;
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} else {
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return NULL;
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}
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}
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void get_image(){
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sprintf(full_url_image, IMAGE_URL, myw.image_code);
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http_msg *h= http_get(full_url_image, 0, HTTP_FLAG_BLOCK, "");
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http_long_receive(h);
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if (h->status == OK) {
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image = img_decode(h->content_ptr, h->content_length, 0); // Decode RAW data to Image data
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if (image->Type != IMAGE_BPP32) {
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image = img_convert(image, NULL, IMAGE_BPP32, 0, 0); // Convert image to format BPP32
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if (!image) {
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notify_show("'Convetring image error!' -E");
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exit(0);
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}
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}
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//blend = img_create(64, 64, IMAGE_BPP32); // Create an empty layer
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//img_fill_color(blend, 64, 64, sys_color_table.work_area); // Fill the layer with one color
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image = img_scale(image, 0, 0, 50, 50, NULL, LIBIMG_SCALE_STRETCH , LIBIMG_INTER_BILINEAR, 64, 64);
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//img_blend(blend, image, 0, 0, 0, 0, 64, 64); // Blending images to display the alpha channel.
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}else{
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notify_show("'Image not loaded!!' -W");
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}
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}
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void RedrawGUI() //Рисуем окно
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{
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char buff[1000];
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pos_t win_pos = get_mouse_pos(0); // Получаем координаты курсора
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begin_draw(); //Начинаем рисование интерфейса )
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sys_create_window(win_pos.x, win_pos.y, 220, START_YPOS+200, VERSION, 0xffffff, 0x14); // Создаём окно.
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draw_format_text_sys(10, START_YPOS, 0xB0000000 /*| sys_color_table.work_text*/, "%s (UTC%+d)\0", myw.City, myw.timezone);
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draw_format_text_sys(11, START_YPOS, 0xB0000000 /*| sys_color_table.work_text */, "%s (UTC%+d)\0", myw.City, myw.timezone);
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img_draw(image, 10, START_YPOS+30, 64,64,0,0);
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draw_format_text_sys(10, START_YPOS+20, 0xb0000000 /* | sys_color_table.work_text */, myw.weath_desc);
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draw_format_text_sys(11, START_YPOS+20, 0xb0000000 /*| sys_color_table.work_text */, myw.weath_desc);
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draw_format_text_sys(90, START_YPOS+45, 0xB1000000 /*| sys_color_table.work_text*/, "%.1f °C", myw.temp);
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draw_format_text_sys(91, START_YPOS+46, 0xB1000000 /*| sys_color_table.work_text*/, "%.1f °C", myw.temp);
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draw_format_text_sys(10, START_YPOS+80, 0x90000000 /*| sys_color_table.work_text*/, "Pressure: %d hPa",myw.pressure);
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draw_format_text_sys(10, START_YPOS+100, 0x90000000 /* | sys_color_table.work_text*/,"Humidity: %d %s", myw.humidity, "%");
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draw_format_text_sys(10, START_YPOS+120, 0x90000000 /*| sys_color_table.work_text*/, "Wind speed: %.1f m/s", myw.wind_speed);
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draw_format_text_sys(10, START_YPOS+140, 0x90000000 /*| sys_color_table.work_text*/, "Visibility: %d m", myw.visibility);
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define_button(X_W(65,80), Y_H(START_YPOS+160,30), BTN_UPDATE, sys_color_table.work_button);
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draw_text_sys("Update",80 , START_YPOS+170, 0, 0x90000000 | sys_color_table.work_button_text);
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end_draw();
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}
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void get_config(char **City, char **Token)
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{
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FILE *config_j = fopen("weather.json", "rb");
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if(config_j==NULL){
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notify_show("'Configuration file not found!' -E");
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exit(0);
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}
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size_t size = _ksys_get_filesize("weather.json");
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char *config_buff = safe_malloc(size+1);
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if(size != fread(config_buff, sizeof(char), size, config_j)){
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notify_show("'The configuration file was not fully read!' -E");
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exit(0);
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}
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json_value* value =json_parse (config_buff, size);
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for(int i=0; i<value->u.object.length; i++){
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if(!strcmp(JSON_OBJ(i).name, "Location")){
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*City = JSON_OBJ(i).value->u.string.ptr;
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}
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if(!strcmp(JSON_OBJ(i).name, "Token")){
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*Token = JSON_OBJ(i).value->u.string.ptr;
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}
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}
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if(*City==NULL || *Token ==NULL){
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notify_show("'Invalid config!!' -E");
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exit(0);
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}
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free(config_buff);
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}
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void Update(char* city, char* token)
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{
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memset(&myw, 0, sizeof myw);
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myw.City="None";
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myw.weath_desc="unknown";
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http_msg *json_file = get_json(city, token);
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if(json_file != NULL){
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json_value* value =json_parse (json_file->content_ptr, json_file->content_length);
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find_and_set(value, &myw);
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get_image();
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}else{
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notify_show("'Connection error!' -E");
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}
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}
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int main(){
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kolibri_libimg_init();
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get_system_colors(&sys_color_table);
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char *City = NULL;
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char *Token = NULL;
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get_config(&City, &Token);
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Update(City,Token);
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while(1){
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switch(get_os_event()){
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case KOLIBRI_EVENT_NONE:
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break;
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case KOLIBRI_EVENT_REDRAW:
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RedrawGUI();
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break;
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case KOLIBRI_EVENT_BUTTON: // Событие обработки кнопок
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switch (get_os_button()){
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case BTN_UPDATE:
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Update(City, Token);
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RedrawGUI();
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break;
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case BTN_QUIT:
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exit(0);
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break;
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}
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}
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}
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return 0;
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}
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