diff -Naur yae-0.7/x_window.c yae-0.7.patched/x_window.c
--- yae-0.7/x_window.c	2007-04-03 17:47:59.000000000 -0400
+++ yae-0.7.patched/x_window.c	2013-08-30 13:36:15.000000000 -0400
@@ -29,6 +29,8 @@
 #include <stdio.h>
 #include <ctype.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/wait.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/keysym.h>
@@ -238,13 +240,27 @@
 	XCloseDisplay( dc->display );
 }
 
+static int kdialog_select_file(char *buffer) {
+	void *i;
+	int s;
+   FILE *kdialog = popen(
+         "kdialog --title 'YAE - Select Disk Image' --getopenfilename . '*.dsk'", "r");
+   if(!kdialog) return -1; /* can't fork() or malloc() probably */
+	i = fgets(buffer, 4096, kdialog);
+	s = WEXITSTATUS(pclose(kdialog));
+	if(s == 127) return -2; /* shell returns this if kdialog not found */
+   return i != NULL; /* returns 0 if user hit cancel, 1 if filename OK */
+}
+
 void	X_check_and_handle_event( void *arg )
 {
 	DisplayContext	*dc;
 	XEvent		event;
-	int		count;
+	int		count, kdresult;
 	BYTE		key, Apple_Key();
-	char		buffer[256];
+	char		buffer[4096] = "\0", *p;
+
+	static int diskname_freeable = 0;
 
 	dc = (DisplayContext*)arg;
 
@@ -266,15 +282,24 @@
 	               /* Should ask which drive, and should
 		        * free the existing string if possible - wkt
 	                */
-	               puts( "Mount new disk\n" );
-	               buffer[0] = '\0';
-	               fgets( buffer, 256, stdin );
-	               if (buffer[0]) 
-	                  buffer[strlen( buffer ) - 1 ] = '\0';
+						kdresult = kdialog_select_file(buffer);
+						if(kdresult == 0) {
+							break; /* don't do anything if cancelled */
+						} else if(kdresult < 0) {
+							/* only use stdin if kdialog not found */
+	               	puts( "Mount new disk\n" );
+	               	buffer[0] = '\0';
+	               	fgets( buffer, 256, stdin );
+						}
+						/* remove trailing \n */
+						for(p = buffer; *p; p++)
+							if(*p == '\n') *p = '\0';
+						if(buffer[0] == '\0') break; /* don't use empty filename */
 	               /* ctkwan: free previosly allocated string */
-	               if( disk_name[6][0]!=NULL)
+	               if( diskname_freeable && disk_name[6][0]!=NULL)
 	                  free( disk_name[6][0] );   
-		       disk_name[6][0]= strdup(buffer);
+						disk_name[6][0]= strdup(buffer);
+						diskname_freeable = 1;
 	               mount_disk(6,0);
 	            }
 	         break;