#include #include #include #include #include #include #include #include #include #define OUTPORT 3333 gint sd; struct sockaddr_in s_in; struct hostent *host; gchar username[64]; gchar buf[1024];//read gchar get_buf[1048];//write gboolean isconnected=FALSE; static GtkWidget *text; static GtkTextBuffer *buffer; static GtkWidget *message_entry; static GtkWidget *name_entry; static GtkWidget *login_button; void get_message(void) { GtkTextIter iter; gchar get_buf[1024]; gchar buf[1024]; while(read(sd,buf,1024)!=-1) { sprintf(get_buf,"%s",buf); gdk_threads_enter(); gtk_text_buffer_get_end_iter(buffer,&iter); gtk_text_buffer_insert(buffer,&iter,get_buf,-1); gdk_threads_leave(); } } void on_destroy(GtkWidget *widget,GdkEvent *event,gpointer data) { sprintf(username,"guest"); if(do_connect()==TRUE) { gtk_widget_set_sensitive(login_button,FALSE); g_thread_create((GThreadFunc)get_message,NULL,FALSE,NULL); } gtk_widget_destroy(widget); } void on_button_clicked(GtkButton *button,gpointer data) { const gchar *name; name=gtk_entry_get_text(GTK_ENTRY(name_entry)); sprintf(username,"%s",name); if(do_connect()) { gtk_widget_set_sensitive(login_button,FALSE); g_thread_create((GThreadFunc)get_message,NULL,FALSE,NULL); } gtk_widget_destroy(data); } void creat_win(void) { GtkWidget *win,*vbox; GtkWidget *button; win=gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(win),"輸入用戶名"); gtk_container_set_border_width(GTK_CONTAINER(win),10); g_signal_connect(G_OBJECT(win),"delete_event", G_CALLBACK(on_destroy),NULL); gtk_window_set_modal(GTK_WINDOW(win),TRUE); gtk_window_set_position(GTK_WINDOW(win),GTK_WIN_POS_CENTER); vbox= gtk_vbox_new(FALSE,0); gtk_container_add(GTK_CONTAINER(win),vbox); name_entry=gtk_entry_new(); gtk_box_pack_start(GTK_BOX(vbox),name_entry,TRUE,TRUE,5); button=gtk_button_new_from_stock(GTK_STOCK_OK); g_signal_connect(G_OBJECT(button),"clicked", G_CALLBACK(on_button_clicked),win); gtk_box_pack_start(GTK_BOX(vbox),button,FALSE,FALSE,5); gtk_widget_show_all(win); } gboolean do_connect(void) { GtkTextIter iter; gint slen; sd=socket(AF_INET,SOCK_STREAM,0); if(sd<0) { gtk_text_buffer_get_end_iter(buffer,&iter); gtk_text_buffer_insert(buffer,&iter,"打開套接字時出錯!\n",-1); return FALSE; } s_in.sin_family=AF_INET; s_in.sin_port=htons(OUTPORT); s_in.sin_addr=*((struct in_addr *)host->h_addr); bzero(&(s_in.sin_zero),8); slen=sizeof(s_in); if(connect(sd,(struct sockaddr *) &s_in,slen)<0) { gtk_text_buffer_get_end_iter(buffer,&iter); gtk_text_buffer_insert(buffer,&iter,"連接伺服器時出錯!\n",-1); return FALSE; } else { gtk_text_buffer_get_end_iter(buffer,&iter); gtk_text_buffer_insert(buffer,&iter,username,-1); gtk_text_buffer_get_end_iter(buffer,&iter); gtk_text_buffer_insert(buffer,&iter,"\n成功於伺服器連接!\n",-1); // write(sd,username,64); // isconnected=TRUE; return TRUE; } } void on_send(GtkButton *button,gpointer data) { const char *message; if(isconnected==FALSE) return; message=gtk_entry_get_text(GTK_ENTRY(message_entry)); sprintf(buf,"%s\n",message); write(sd,buf,1024); gtk_entry_set_text(GTK_ENTRY(message_entry),""); } void on_login(GtkWidget *widget,GdkEvent *weent,gpointer data) { creat_win(); } void on_delete_event(GtkWidget *widget,GdkEvent *event,gpointer data) { close(sd); gtk_main_quit(); } int main(int argc,char *argv[]) { GtkWidget *window; GtkWidget *vbox,*hbox,*button,*label,*view; if(!g_thread_supported()) g_thread_init(NULL); gtk_init(&argc,&argv); window=gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(window),"客戶端"); g_signal_connect(G_OBJECT(window),"delete_event", G_CALLBACK(on_delete_event),NULL); gtk_container_set_border_width(GTK_CONTAINER(window),10); vbox=gtk_vbox_new(FALSE,0); gtk_container_add(GTK_CONTAINER(window),vbox); hbox=gtk_hbox_new(FALSE,0); gtk_box_pack_start(GTK_BOX(vbox),hbox,FALSE,FALSE,5); label=gtk_label_new("點擊登錄按鈕連接伺服器"); gtk_box_pack_start(GTK_BOX(hbox),label,FALSE,FALSE,5); login_button=gtk_button_new_with_label("登錄"); gtk_box_pack_start(GTK_BOX(hbox),login_button,FALSE,FALSE,5); g_signal_connect(G_OBJECT(login_button),"clicked", G_CALLBACK(on_login),NULL); view=gtk_scrolled_window_new(NULL,NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(view), GTK_POLICY_AUTOMATIC,GTK_POLICY_AUTOMATIC); text=gtk_text_view_new(); gtk_box_pack_start(GTK_BOX(vbox),view,TRUE,TRUE,5); gtk_container_add(GTK_CONTAINER(view),text); buffer=gtk_text_view_get_buffer(GTK_TEXT_VIEW(text)); hbox=gtk_hbox_new(FALSE,0); gtk_box_pack_start(GTK_BOX(vbox),hbox,FALSE,FALSE,5); label=gtk_label_new("輸入:"); gtk_box_pack_start(GTK_BOX(hbox),label,FALSE,FALSE,5); message_entry=gtk_entry_new(); gtk_box_pack_start(GTK_BOX(hbox),message_entry,FALSE,FALSE,5); button=gtk_button_new_with_label("發送"); gtk_box_pack_start(GTK_BOX(hbox),button,FALSE,FALSE,5); g_signal_connect(G_OBJECT(button),"clicked", G_CALLBACK(on_send),NULL); gtk_widget_show_all(window); gdk_threads_enter(); gtk_main(); gdk_threads_leave(); return FALSE; } |