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| #include <stdio.h>
#include <gtk/gtk.h>
#include <openssl/ssl.h>
#include <curl/curl.h>
#include "cJSON.h"
//#include "Library/cJSON/cJSON.h"
//#define URL_FORMAT "https://%s.openfoodfacts.org/cgi/search.pl?search_terms=%s&search_simple=1&jqm=1"
//#define URL_SIZE 256
void on_activate_entry(GtkWidget *pEntry, gpointer data);
void on_copier_button(GtkWidget *pButton, gpointer data);
GtkWidget *Bar;
size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
{
return fwrite(ptr, size, nmemb, stream);
}
size_t my_read_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
{
return fread(ptr, size, nmemb, stream);
}
int my_progress_func(GtkWidget *bar,
double t, /* dltotal */
double d, /* dlnow */
double ultotal,
double ulnow)
{
/* printf("%d / %d (%g %%)\n", d, t, d*100.0/t);*/
gdk_threads_enter();
gtk_progress_set_value(GTK_PROGRESS(bar), d*100.0/t);
gdk_threads_leave();
return 0;
}
void *my_thread(void *ptr)
{
CURL *curl;
CURLcode res;
FILE *outfile;
gchar *url = ptr;
curl = curl_easy_init();
if(curl) {
const char *filename = "test.curl";
curl_easy_setopt(curl, CURLOPT_URL, "https://fr.openfoodfacts.org/api/v0/produit/3029330003533.json");
outfile = fopen(filename, "wb");
curl_easy_setopt(curl, CURLOPT_URL, url);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, my_read_func);
curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, Bar);
res = curl_easy_perform(curl);
fclose(outfile);
/* always cleanup */
curl_easy_cleanup(curl);
}
return NULL;
}
int main(int argc, char **argv)
{
GtkWidget *Window;
GtkWidget *pVBox;
GtkWidget *pFrame;
GtkWidget *pVBoxFrame;
GtkWidget *pButton;
GtkWidget *pEntry;
GtkWidget *pLabel;
/* Must initialize libcurl before any threads are started */
/* Init thread */
g_thread_init(NULL);
gtk_init(&argc, &argv);
Window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
/* On ajoute un espace de 5 sur les bords de la fenetre */
gtk_container_set_border_width(GTK_CONTAINER(Window), 5);
gtk_window_set_title(GTK_WINDOW(Window), "NoWaste");
gtk_window_set_default_size(GTK_WINDOW(Window), 500, 500);
g_signal_connect(G_OBJECT(Window), "destroy", G_CALLBACK(gtk_main_quit), NULL);
pVBox = gtk_vbox_new(TRUE, 0);
gtk_container_add(GTK_CONTAINER(Window), pVBox);
/* Creation du premier GtkFrame */
pFrame = gtk_frame_new("NoWaste");
gtk_box_pack_start(GTK_BOX(pVBox), pFrame, TRUE, FALSE, 0);
/* Creation et insertion d une boite pour le premier GtkFrame */
pVBoxFrame = gtk_vbox_new(TRUE, 0);
gtk_container_add(GTK_CONTAINER(pFrame), pVBoxFrame);
/* Creation et insertion des elements contenus dans le premier GtkFrame */
pLabel = gtk_label_new("Scanner le code barre de votre produit");
gtk_box_pack_start(GTK_BOX(pVBoxFrame), pLabel, TRUE, FALSE, 0);
pEntry = gtk_entry_new();
gtk_box_pack_start(GTK_BOX(pVBoxFrame), pEntry, TRUE, FALSE, 0);
pButton = gtk_button_new_with_label("VALIDER LA SAISIE");
gtk_box_pack_start(GTK_BOX(pVBox), pButton, TRUE, FALSE, 0);
pLabel = gtk_label_new(NULL);
gtk_box_pack_start(GTK_BOX(pVBox), pLabel, TRUE, FALSE, 0);
/* Connexion du signal "activate" du GtkEntry */
g_signal_connect(G_OBJECT(pEntry), "activate", G_CALLBACK(on_activate_entry), (GtkWidget*) pLabel);
/* Connexion du signal "clicked" du GtkButton */
/* La donnee supplementaire est la GtkVBox pVBox */
g_signal_connect(G_OBJECT(pButton), "clicked", G_CALLBACK(on_copier_button), (GtkWidget*) pVBox);
gtk_widget_show_all(Window);
if(!g_thread_create(&my_thread, argv[1], FALSE, NULL) != 0)
g_warning("can't create the thread");
gdk_threads_enter();
gtk_main();
gdk_threads_leave();
return 0;
}
/* Fonction callback execute lors du signal "activate" */
void on_activate_entry(GtkWidget *pEntry, gpointer data)
{
const gchar *sText;
const gchar *sText1;
const gchar *sText2;
/* Recuperation du texte contenu dans le GtkEntry */
sText = gtk_entry_get_text(GTK_ENTRY(pEntry));
/* Modification du texte contenu dans le GtkLabel */
printf("%s", sText);
gtk_label_set_text(GTK_LABEL((GtkWidget*)data), sText);
CURL *curl = curl_easy_init();
if (curl){
CURLcode res;
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, FALSE);
char * urlBase = "https://fr.openfoodfacts.org/api/v0/produit/";
char * newUrl = malloc(strlen(urlBase) + strlen(sText) + 1);
sprintf(newUrl, "%s%s", urlBase, sText);
printf("%s", newUrl);
curl_easy_setopt(curl, CURLOPT_URL, newUrl);
printf(sText);
res = curl_easy_perform(curl);
if(res != CURLE_OK)
fprintf(stderr, "curl_easy_perform() failed: %s\n",
curl_easy_strerror(res));
curl_easy_cleanup(curl);
//system("start https://fr.openfoodfacts.org/api/v0/produit/3029330003533.json");
}
return 0;
}
/* Fonction callback executee lors du signal "clicked" */
void on_copier_button(GtkWidget *pButton, gpointer data)
{
} |
Récupérer une requete curl et l'enregistrer en JSON
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