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Annotation of embedaddon/curl/docs/examples/curlgtk.c, revision 1.1

1.1     ! misho       1: /*****************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  *  Copyright (c) 2000 - 2019 David Odin (aka DindinX) for MandrakeSoft
        !             9:  */
        !            10: /* <DESC>
        !            11:  * use the libcurl in a gtk-threaded application
        !            12:  * </DESC>
        !            13:  */
        !            14: 
        !            15: #include <stdio.h>
        !            16: #include <gtk/gtk.h>
        !            17: 
        !            18: #include <curl/curl.h>
        !            19: 
        !            20: GtkWidget *Bar;
        !            21: 
        !            22: size_t my_write_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
        !            23: {
        !            24:   return fwrite(ptr, size, nmemb, stream);
        !            25: }
        !            26: 
        !            27: size_t my_read_func(void *ptr, size_t size, size_t nmemb, FILE *stream)
        !            28: {
        !            29:   return fread(ptr, size, nmemb, stream);
        !            30: }
        !            31: 
        !            32: int my_progress_func(GtkWidget *bar,
        !            33:                      double t, /* dltotal */
        !            34:                      double d, /* dlnow */
        !            35:                      double ultotal,
        !            36:                      double ulnow)
        !            37: {
        !            38: /*  printf("%d / %d (%g %%)\n", d, t, d*100.0/t);*/
        !            39:   gdk_threads_enter();
        !            40:   gtk_progress_set_value(GTK_PROGRESS(bar), d*100.0/t);
        !            41:   gdk_threads_leave();
        !            42:   return 0;
        !            43: }
        !            44: 
        !            45: void *my_thread(void *ptr)
        !            46: {
        !            47:   CURL *curl;
        !            48: 
        !            49:   curl = curl_easy_init();
        !            50:   if(curl) {
        !            51:     gchar *url = ptr;
        !            52:     const char *filename = "test.curl";
        !            53:     FILE *outfile = fopen(filename, "wb");
        !            54: 
        !            55:     curl_easy_setopt(curl, CURLOPT_URL, url);
        !            56:     curl_easy_setopt(curl, CURLOPT_WRITEDATA, outfile);
        !            57:     curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, my_write_func);
        !            58:     curl_easy_setopt(curl, CURLOPT_READFUNCTION, my_read_func);
        !            59:     curl_easy_setopt(curl, CURLOPT_NOPROGRESS, 0L);
        !            60:     curl_easy_setopt(curl, CURLOPT_PROGRESSFUNCTION, my_progress_func);
        !            61:     curl_easy_setopt(curl, CURLOPT_PROGRESSDATA, Bar);
        !            62: 
        !            63:     curl_easy_perform(curl);
        !            64: 
        !            65:     fclose(outfile);
        !            66:     /* always cleanup */
        !            67:     curl_easy_cleanup(curl);
        !            68:   }
        !            69: 
        !            70:   return NULL;
        !            71: }
        !            72: 
        !            73: int main(int argc, char **argv)
        !            74: {
        !            75:   GtkWidget *Window, *Frame, *Frame2;
        !            76:   GtkAdjustment *adj;
        !            77: 
        !            78:   /* Must initialize libcurl before any threads are started */
        !            79:   curl_global_init(CURL_GLOBAL_ALL);
        !            80: 
        !            81:   /* Init thread */
        !            82:   g_thread_init(NULL);
        !            83: 
        !            84:   gtk_init(&argc, &argv);
        !            85:   Window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
        !            86:   Frame = gtk_frame_new(NULL);
        !            87:   gtk_frame_set_shadow_type(GTK_FRAME(Frame), GTK_SHADOW_OUT);
        !            88:   gtk_container_add(GTK_CONTAINER(Window), Frame);
        !            89:   Frame2 = gtk_frame_new(NULL);
        !            90:   gtk_frame_set_shadow_type(GTK_FRAME(Frame2), GTK_SHADOW_IN);
        !            91:   gtk_container_add(GTK_CONTAINER(Frame), Frame2);
        !            92:   gtk_container_set_border_width(GTK_CONTAINER(Frame2), 5);
        !            93:   adj = (GtkAdjustment*)gtk_adjustment_new(0, 0, 100, 0, 0, 0);
        !            94:   Bar = gtk_progress_bar_new_with_adjustment(adj);
        !            95:   gtk_container_add(GTK_CONTAINER(Frame2), Bar);
        !            96:   gtk_widget_show_all(Window);
        !            97: 
        !            98:   if(!g_thread_create(&my_thread, argv[1], FALSE, NULL) != 0)
        !            99:     g_warning("can't create the thread");
        !           100: 
        !           101: 
        !           102:   gdk_threads_enter();
        !           103:   gtk_main();
        !           104:   gdk_threads_leave();
        !           105:   return 0;
        !           106: }