// // Created by god on 2021/12/4. // #include "main_window.h" GtkWidget *create_Enter_window() //创建进入窗口 { GtkBuilder *builder; //新建一个GtkBuilder对象用于读取GtkBuilder界面文件 GtkWidget *Enter_window; GtkWidget *Enter_button; GtkWidget *Exit_button; GtkWidget *about_button; // gtk_init(&argc,&argv); builder = gtk_builder_new(); gtk_builder_add_from_file(builder, "/home/god/Projects/Huffman/Enter_window.glade", NULL); //从glade获取控件 Enter_window = GTK_WIDGET(gtk_builder_get_object(builder, "Enter_window")); //获取主窗体 // gtk_window_set_icon(GTK_WINDOW(Enter_window), // create_pixbuf("addressbook.png"));//设置软件图标 // gtk_window_set_title(GTK_WINDOW(Enter_window), "Huffman"); //设置主窗口标题 Enter_button = GTK_WIDGET( gtk_builder_get_object(builder, "Enter_button")); //获取主窗口中的进入按钮 Exit_button = GTK_WIDGET( gtk_builder_get_object(builder, "Exit_button")); //获取主窗口中的退出按钮 about_button = GTK_WIDGET( gtk_builder_get_object(builder, "About_button")); //获取主窗口中的退出按钮 // gtk_widget_set_opacity(GTK_WIDGET(Enter_window), 0.2); // set_widget_font_size(Enter_button,50,TRUE);//改变控件字体大小 // PangoFontDescription *font_desc = // pango_font_description_from_string("Sans"); // pango_font_description_set_size (font_desc, 15 * PANGO_SCALE); // gtk_widget_modify_font (GTK_WIDGET(Enter_button), font_desc); // pango_font_description_free (font_desc); g_signal_connect(Enter_window, "destroy", G_CALLBACK(gtk_main_quit), NULL); //设置主窗口关闭信号链接 g_signal_connect(Enter_button, "clicked", G_CALLBACK(on_Enter_button_clicked), Enter_window); //设置“进入系统”按钮的回调函数 g_signal_connect(Exit_button, "clicked", G_CALLBACK(gtk_main_quit), NULL); //设置“退出按钮”的连接动作 g_signal_connect(about_button, "clicked", G_CALLBACK(on_About_button_clicked), Enter_window); return Enter_window; } void on_Enter_button_clicked(GtkWidget *button, gpointer window) { gtk_widget_hide(GTK_WIDGET(window)); gtk_widget_show_all(create_main_window()); } void on_About_button_clicked(GtkWidget *button, gpointer window) { GdkPixbuf *pixbuf = gdk_pixbuf_new_from_file("/home/god/Projects/Huffman/编码器.png", NULL); GtkWidget *dialog = gtk_about_dialog_new(); gtk_window_set_transient_for(GTK_WINDOW(dialog), window);//设置窗口主从关系 gtk_about_dialog_set_program_name(GTK_ABOUT_DIALOG(dialog), "赫夫曼编译码器"); gtk_about_dialog_set_copyright(GTK_ABOUT_DIALOG(dialog), "(c) Copyright 2021_Yan_SWU"); gtk_about_dialog_set_license(GTK_ABOUT_DIALOG(dialog), "Apache License 2.0"); gtk_about_dialog_set_comments(GTK_ABOUT_DIALOG(dialog), "高效数据压缩，助力数据管理！"); gtk_about_dialog_set_website(GTK_ABOUT_DIALOG(dialog), "https://github.com/ZS-Yan/Huffman"); gtk_about_dialog_set_logo(GTK_ABOUT_DIALOG(dialog), pixbuf); gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); } /** * 创建主系统窗口 * @return */ GtkWidget *create_main_window() { GtkBuilder *builder; //新建一个GtkBuilder对象用于读取GtkBuilder界面文件 builder = gtk_builder_new(); gtk_builder_add_from_file(builder, "/home/god/Projects/Huffman/main_window.glade", NULL); //从glade获取控件 GtkWidget *main_window = GTK_WIDGET(gtk_builder_get_object(builder, "main_window")); //获取系统窗体 // gtk_window_set_icon(GTK_WINDOW(main_window),create_pixbuf("addressbook.png")); GtkWidget *encode_button = GTK_WIDGET(gtk_builder_get_object(builder, "encode_button")); //获取系统窗口中的“编码”按钮 GtkWidget *decode_button = GTK_WIDGET(gtk_builder_get_object(builder, "decode_button")); //获取系统窗口中的“解码”按钮 GtkWidget *system_exit_button = GTK_WIDGET(gtk_builder_get_object(builder, "Exit_system")); //获取系统窗口中的“退出系统”按钮 // set_widget_font_size(Enter_button,50,True);//改变控件字体大小 gtk_window_set_title(GTK_WINDOW(main_window), "Huffman编译码器"); //设置系统窗口标题 g_signal_connect(encode_button, "clicked", G_CALLBACK(on_encode_button_clicked), main_window); g_signal_connect(decode_button, "clicked", G_CALLBACK(on_decode_button_clicked), main_window); g_signal_connect(system_exit_button, "clicked", G_CALLBACK(gtk_main_quit), NULL); //设置“退出按钮”的连接动作 g_signal_connect(main_window, "destroy", G_CALLBACK(gtk_main_quit), NULL); //设置系统窗口关闭信号链接 return main_window; } void on_encode_button_clicked(GtkWidget *button, gpointer window) { gtk_widget_hide(GTK_WIDGET(window)); gtk_widget_show_all(create_encode_window()); } void on_decode_button_clicked(GtkWidget *button, gpointer window) { gtk_widget_hide(GTK_WIDGET(window)); gtk_widget_show_all(create_decode_window()); } GtkWidget *create_encode_window() { GtkBuilder *builder; builder = gtk_builder_new(); gtk_builder_add_from_file(builder, "/home/god/Projects/Huffman/encode_window.glade", NULL); //从glade获取控件 GtkWidget *encode_window = GTK_WIDGET(gtk_builder_get_object(builder, "encode_window")); //获取系统窗体 // gtk_window_set_icon(GTK_WINDOW(main_window),create_pixbuf("addressbook.png")); GtkWidget *encode_entry = GTK_WIDGET(gtk_builder_get_object(builder, "encode_entry")); GtkWidget *result_entry = GTK_WIDGET(gtk_builder_get_object(builder, "result_entry")); // GtkWidget *text_scrolled_window = GTK_WIDGET(gtk_builder_get_object(builder, "text_scrolled_window")); GtkWidget *text_view = GTK_WIDGET(gtk_builder_get_object(builder, "text_view")); gtk_text_view_set_editable(GTK_TEXT_VIEW(text_view), gtk_false()); GtkWidget *import_button = GTK_WIDGET(gtk_builder_get_object(builder, "import_button")); encode_import_passing_parameters *parameters = (encode_import_passing_parameters *) malloc( sizeof(encode_import_passing_parameters)); parameters->window = encode_window; parameters->text_view = text_view; GtkWidget *export_button = GTK_WIDGET(gtk_builder_get_object(builder, "export_button")); GtkWidget *return_button = GTK_WIDGET(gtk_builder_get_object(builder, "return_button")); // set_widget_font_size(Enter_button,50,True);//改变控件字体大小 gtk_window_set_title(GTK_WINDOW(encode_window), "Huffman编码器"); //设置系统窗口标题 g_signal_connect(encode_entry, "activate", G_CALLBACK(on_encode_entry_activate), result_entry); g_signal_connect(import_button, "clicked", G_CALLBACK(on_encode_import_button_clicked), parameters); g_signal_connect(export_button, "clicked", G_CALLBACK(on_encode_export_button_clicked), parameters); g_signal_connect(encode_window, "destroy", G_CALLBACK(gtk_main_quit), NULL); //设置系统窗口关闭信号链接 g_signal_connect(return_button, "clicked", G_CALLBACK(on_return_button_clicked), encode_window); return encode_window; } void on_encode_entry_activate(GtkWidget *entry, GtkWidget *result_entry) { char string[1000]; strcpy(string, gtk_entry_get_text(GTK_ENTRY(entry))); Huffmancode *Code = huffman_encode_from_string(string); GtkEntryBuffer *buffer = gtk_entry_buffer_new(Code->huffman_code, sizeof(char) * (Code->code_length)); gtk_entry_set_buffer(GTK_ENTRY(result_entry), buffer); } void on_encode_import_button_clicked(GtkWidget *button, encode_import_passing_parameters *parameters) { GtkWidget *dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN; gint res; dialog = gtk_file_chooser_dialog_new("Open File", GTK_WINDOW(parameters->window), action, "_Cancel", GTK_RESPONSE_CANCEL, "_open", GTK_RESPONSE_ACCEPT, NULL); res = gtk_dialog_run(GTK_DIALOG(dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *filename; GtkFileChooser *chooser = GTK_FILE_CHOOSER(dialog); filename = gtk_file_chooser_get_filename(chooser); //open_file(filename); //printf("%s",filename); FILE *ph; if ((ph = fopen(filename, "r")) == NULL) { GtkWidget *warning_dialog; warning_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "文件打开出错！"); gtk_window_set_title(GTK_WINDOW(warning_dialog), "错误"); gtk_dialog_run(GTK_DIALOG(warning_dialog)); gtk_widget_destroy(warning_dialog); } else { Huffmancode *Code = huffman_encode_from_file(ph); fclose(ph); GtkWidget *prompt_dialog; prompt_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "成功读取数据！请查看编码结果"); gtk_window_set_title(GTK_WINDOW(prompt_dialog), "提示"); gtk_dialog_run(GTK_DIALOG(prompt_dialog)); gtk_widget_destroy(prompt_dialog); g_free(filename); GtkTextBuffer *buffer = gtk_text_buffer_new(gtk_text_tag_table_new()); gtk_text_buffer_set_text(buffer, Code->huffman_code, sizeof(char) * (Code->code_length)); gtk_text_view_set_buffer(GTK_TEXT_VIEW(parameters->text_view), buffer); } } gtk_widget_destroy(dialog); } void on_encode_export_button_clicked(GtkWidget *button, encode_import_passing_parameters *parameters) { GtkWidget *dialog; GtkWidget *export_file_button; dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_CANCEL, "请选择导出文件位置"); gtk_window_set_title(GTK_WINDOW(dialog), "提示"); export_file_button = gtk_dialog_add_button(GTK_DIALOG(dialog), "选择文件夹../", 0); // parameters->window = dialog; passing_parameters2 *parameters2 = (passing_parameters2 *) malloc(sizeof(passing_parameters2)); parameters2->text_view = parameters->text_view; parameters2->dialog = dialog; g_signal_connect(export_file_button, "clicked", G_CALLBACK(on_export_file_button_clicked), parameters2); gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); } void on_export_file_button_clicked(GtkWidget *button, passing_parameters2 *parameters2) { GtkWidget *folder_select_dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER; gint res; folder_select_dialog = gtk_file_chooser_dialog_new("Open Folder", GTK_WINDOW(parameters2->dialog), action, "_取消", GTK_RESPONSE_CANCEL, "_确定", GTK_RESPONSE_ACCEPT, NULL); res = gtk_dialog_run(GTK_DIALOG(folder_select_dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *foldername; // foldername = (char *) malloc(sizeof(char) * 2000); // foldername = (char*)malloc(sizeof(char)*100); GtkFileChooser *chooser = GTK_FILE_CHOOSER(folder_select_dialog); foldername = gtk_file_chooser_get_current_folder(chooser); if (foldername == NULL) { GtkWidget *error_dialog; error_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters2->dialog), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "请选择正确的路径！"); gtk_window_set_title(GTK_WINDOW(error_dialog), "Error"); gtk_dialog_run(GTK_DIALOG(error_dialog)); gtk_widget_destroy(error_dialog); } else { char *output_file_location = (char *) malloc(sizeof(char) * 200); strcpy(output_file_location, foldername); //https://www.linuxquestions.org/questions/programming-9/why-do-i-get-corrupted-memory-error-free-invalid-next-size-fast-875737/ output_file_location = strcat(output_file_location, "/Huffman_Encode_Result.txt"); //strcat函数改变了foldername的内存占用 FILE *op; op = fopen(output_file_location, "w"); GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(parameters2->text_view)); GtkTextIter start, end; gtk_text_buffer_get_start_iter(buffer, &start); gtk_text_buffer_get_end_iter(buffer, &end); char *Code = gtk_text_buffer_get_slice(buffer, &start, &end, FALSE); // printf("%s", Code); fprintf(op, "%s", Code); fclose(op); GtkWidget *promptdialog; promptdialog = gtk_message_dialog_new(GTK_WINDOW(parameters2->dialog), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "导出成功！"); gtk_window_set_title(GTK_WINDOW(promptdialog), "提示"); gtk_dialog_run(GTK_DIALOG(promptdialog)); gtk_widget_destroy(promptdialog); // g_free(output_file_location); } g_free(foldername); } gtk_widget_destroy(folder_select_dialog); } void on_return_button_clicked(GtkWidget *button, gpointer window) { gtk_widget_hide(window); gtk_widget_show_all(create_main_window()); } GtkWidget *create_decode_window() { GtkBuilder *builder; builder = gtk_builder_new(); //此处用绝对路径的原因是：在IDE中，cmake生成的可执行文件与源码并不在同一个目录下，而终端执行时并没有这样的问题 //https://blog.csdn.net/qq_41437512/article/details/119700812 gtk_builder_add_from_file(builder, "/home/god/Projects/Huffman/decode_window.glade", NULL); //从glade获取控件 GtkWidget *decode_window = GTK_WIDGET(gtk_builder_get_object(builder, "decode_window")); //获取系统窗体 // gtk_window_set_icon(GTK_WINDOW(main_window),create_pixbuf("addressbook.png")); GtkWidget *decode_entry = GTK_WIDGET(gtk_builder_get_object(builder, "decode_entry")); // GtkWidget *text_scrolled_window = GTK_WIDGET(gtk_builder_get_object(builder, "text_scrolled_window")); GtkWidget *text_view = GTK_WIDGET(gtk_builder_get_object(builder, "text_view")); GtkWidget *import_encode_button = GTK_WIDGET(gtk_builder_get_object(builder, "import_encode_button")); GtkWidget *result_entry = GTK_WIDGET(gtk_builder_get_object(builder, "result_entry")); GtkWidget *import_button = GTK_WIDGET(gtk_builder_get_object(builder, "import_button")); GtkWidget *export_button = GTK_WIDGET(gtk_builder_get_object(builder, "export_button")); GtkWidget *return_button = GTK_WIDGET(gtk_builder_get_object(builder, "return_button")); // set_widget_font_size(Enter_button,50,True);//改变控件字体大小 decode_passing_parameters *parameters = (decode_passing_parameters *) malloc(sizeof(decode_passing_parameters)); parameters->window = decode_window; // parameters->decode_entry = decode_entry; parameters->result_entry = result_entry; parameters->text_view = text_view; gtk_window_set_title(GTK_WINDOW(decode_window), "Huffman编码器"); //设置系统窗口标题 g_signal_connect(import_encode_button, "clicked", G_CALLBACK(on_import_encode_button_clicked), parameters); g_signal_connect(decode_entry, "activate", G_CALLBACK(on_decode_entry_activate), parameters); g_signal_connect(import_button, "clicked", G_CALLBACK(on_decode_import_button_clicked), parameters); g_signal_connect(export_button, "clicked", G_CALLBACK(on_decode_export_button_clicked), parameters); g_signal_connect(decode_window, "destroy", G_CALLBACK(gtk_main_quit), NULL); //设置系统窗口关闭信号链接 g_signal_connect(return_button, "clicked", G_CALLBACK(on_return_button_clicked), decode_window); return decode_window; } void on_import_encode_button_clicked(GtkWidget *button, decode_passing_parameters *parameters) { GtkWidget *dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN; gint res; dialog = gtk_file_chooser_dialog_new("Open File", GTK_WINDOW(parameters->window), action, "_Cancel", GTK_RESPONSE_CANCEL, "_open", GTK_RESPONSE_ACCEPT, NULL); res = gtk_dialog_run(GTK_DIALOG(dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *filename; GtkFileChooser *chooser = GTK_FILE_CHOOSER(dialog); filename = gtk_file_chooser_get_filename(chooser); //open_file(filename); //printf("%s",filename); FILE *ph; if ((ph = fopen(filename, "r")) == NULL) { GtkWidget *warning_dialog; warning_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "文件打开出错！"); gtk_window_set_title(GTK_WINDOW(warning_dialog), "错误"); gtk_dialog_run(GTK_DIALOG(warning_dialog)); gtk_widget_destroy(warning_dialog); } else { char string[3000]; char buffer[300]; unsigned int line_len = 0; while (fgets(buffer, N, ph)) { strcpy(&string[line_len], buffer); line_len += strlen(buffer); } int uniqueChar_num = generate_huffmanNode(string, parameters->HuffmanNode); parameters->root_location = generate_huffmanTree(parameters->HuffmanNode, uniqueChar_num); generate_huffmanCode(parameters->HuffmanNode, parameters->HuffmanCode, uniqueChar_num); fclose(ph); GtkWidget *prompt_dialog; prompt_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "成功生成编码集！"); gtk_window_set_title(GTK_WINDOW(prompt_dialog), "提示"); gtk_dialog_run(GTK_DIALOG(prompt_dialog)); gtk_widget_destroy(prompt_dialog); g_free(filename); } } gtk_widget_destroy(dialog); } void on_decode_entry_activate(GtkWidget *entry, decode_passing_parameters *parameters) { char code[5000]; strcpy(code, gtk_entry_get_text(GTK_ENTRY(entry))); // printf("%s", code); char decode_string[3000]; huffman_decode_from_string(code, parameters->HuffmanNode, parameters->root_location, decode_string); // printf("%s", decode_string); GtkEntryBuffer *buffer = gtk_entry_buffer_new(decode_string, sizeof(char) * strlen(decode_string)); gtk_entry_set_buffer(GTK_ENTRY(parameters->result_entry), buffer); } void on_decode_import_button_clicked(GtkWidget *button, decode_passing_parameters *parameters) { GtkWidget *dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_OPEN; gint res; dialog = gtk_file_chooser_dialog_new("Open File", GTK_WINDOW(parameters->window), action, "_Cancel", GTK_RESPONSE_CANCEL, "_open", GTK_RESPONSE_ACCEPT, NULL); res = gtk_dialog_run(GTK_DIALOG(dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *filename; GtkFileChooser *chooser = GTK_FILE_CHOOSER(dialog); filename = gtk_file_chooser_get_filename(chooser); FILE *ph; if ((ph = fopen(filename, "r")) == NULL) { GtkWidget *warning_dialog; warning_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "文件打开出错！"); gtk_window_set_title(GTK_WINDOW(warning_dialog), "错误"); gtk_dialog_run(GTK_DIALOG(warning_dialog)); gtk_widget_destroy(warning_dialog); } else { GtkWidget *prompt_dialog; prompt_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "成功读取数据！请查看译码结果"); gtk_window_set_title(GTK_WINDOW(prompt_dialog), "提示"); gtk_dialog_run(GTK_DIALOG(prompt_dialog)); gtk_widget_destroy(prompt_dialog); char decode_string[3000]; huffman_decode_from_file(ph, parameters->HuffmanNode, parameters->root_location, decode_string); g_free(filename); fclose(ph); GtkTextBuffer *buffer = gtk_text_buffer_new(gtk_text_tag_table_new()); gtk_text_buffer_set_text(buffer, decode_string, sizeof(char) * (strlen(decode_string))); gtk_text_view_set_buffer(GTK_TEXT_VIEW(parameters->text_view), buffer); } } gtk_widget_destroy(dialog); } void on_decode_export_button_clicked(GtkWidget *button, decode_passing_parameters *parameters) { GtkWidget *dialog; GtkWidget *export_file_button; //GtkWidget *action_area; dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_CANCEL, "请选择导出文件位置"); gtk_window_set_title(GTK_WINDOW(dialog), "提示"); export_file_button = gtk_dialog_add_button(GTK_DIALOG(dialog), "选择文件夹../", 0); // parameters->window = dialog; passing_parameters2 *parameters2 = (passing_parameters2 *) malloc(sizeof(passing_parameters2)); parameters2->text_view = parameters->text_view; parameters2->dialog = dialog; g_signal_connect(export_file_button, "clicked", G_CALLBACK(on_decode_export_file_button_clicked), parameters2); gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); } void on_decode_export_file_button_clicked(GtkWidget *button, passing_parameters2 *parameters) { GtkWidget *folder_select_dialog; GtkFileChooserAction action = GTK_FILE_CHOOSER_ACTION_SELECT_FOLDER; gint res; folder_select_dialog = gtk_file_chooser_dialog_new("Open Folder", GTK_WINDOW(parameters->dialog), action, "_取消", GTK_RESPONSE_CANCEL, "_确定", GTK_RESPONSE_ACCEPT, NULL); res = gtk_dialog_run(GTK_DIALOG(folder_select_dialog)); if (res == GTK_RESPONSE_ACCEPT) { char *foldername = (char *) malloc(sizeof(char) * 100); GtkFileChooser *chooser = GTK_FILE_CHOOSER(folder_select_dialog); foldername = gtk_file_chooser_get_current_folder(chooser); // printf("%s\n", foldername); if (foldername == NULL) { GtkWidget *error_dialog; error_dialog = gtk_message_dialog_new(GTK_WINDOW(parameters->dialog), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "请选择正确的路径！"); gtk_window_set_title(GTK_WINDOW(error_dialog), "Error"); gtk_dialog_run(GTK_DIALOG(error_dialog)); gtk_widget_destroy(error_dialog); } else { char *output_file_location = (char *) malloc(sizeof(char) * 200); strcpy(output_file_location, foldername); //https://www.linuxquestions.org/questions/programming-9/why-do-i-get-corrupted-memory-error-free-invalid-next-size-fast-875737/ output_file_location = strcat(output_file_location, "/Huffman_Decode_Result.txt"); //strcat函数改变了foldername的内存占用 // char *output_file_location = strcat(foldername, "/Huffman_Decode_Result.txt"); FILE *op; op = fopen(output_file_location, "w"); GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(parameters->text_view)); GtkTextIter start, end; gtk_text_buffer_get_start_iter(buffer, &start); gtk_text_buffer_get_end_iter(buffer, &end); char *Code = gtk_text_buffer_get_slice(buffer, &start, &end, FALSE); fprintf(op, "%s", Code); fclose(op); GtkWidget *promptdialog; promptdialog = gtk_message_dialog_new(GTK_WINDOW(parameters->dialog), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_INFO, GTK_BUTTONS_OK, "导出成功！"); gtk_window_set_title(GTK_WINDOW(promptdialog), "提示"); gtk_dialog_run(GTK_DIALOG(promptdialog)); gtk_widget_destroy(promptdialog); g_free(output_file_location); } g_free(foldername); } gtk_widget_destroy(folder_select_dialog); } //起初运行效率很低是由于I/O耗时过多