Code

wreadln: use memmove() instead of an temporary buffer
[ncmpc.git] / src / wreadln.c
index e49308a3f78cd4cd1810d7cacf2ac3928683b3df..0bfc414086a7ac541b990d776492a74f146576c0 100644 (file)
@@ -1,6 +1,4 @@
-/* 
- * $Id$
- *
+/*
  * (c) 2004 by Kalle Wallin <kaw@linux.se>
  *
  * This program is free software; you can redistribute it and/or modify
  *
  */
 
+#include "wreadln.h"
+#include "charset.h"
+#include "screen_utils.h"
 #include "config.h"
 
 #include <stdlib.h>
 #include <string.h>
 #include <glib.h>
 
-#ifdef USE_NCURSESW
-#include <ncursesw/ncurses.h>
-#else
-#include <ncurses.h>
-#endif
-
-#include "wreadln.h"
-
 #define KEY_CTRL_A   1
+#define KEY_CTRL_B   2
 #define KEY_CTRL_C   3
-#define KEY_CTRL_D   4 
+#define KEY_CTRL_D   4
 #define KEY_CTRL_E   5
+#define KEY_CTRL_F   6
 #define KEY_CTRL_G   7
 #define KEY_CTRL_K   11
+#define KEY_CTRL_N   14
+#define KEY_CTRL_P   16
 #define KEY_CTRL_U   21
 #define KEY_CTRL_Z   26
 #define KEY_BCKSPC   8
 #define TAB          9
 
-#define WRLN_MAX_LINE_SIZE 1024
-#define WRLN_MAX_HISTORY_LENGTH 32
-guint wrln_max_line_size = WRLN_MAX_LINE_SIZE;
-guint wrln_max_history_length = WRLN_MAX_HISTORY_LENGTH;
-wrln_wgetch_fn_t wrln_wgetch = NULL;
+struct wreadln {
+       /** the ncurses window where this field is displayed */
+       WINDOW *const w;
+
+       /** the origin coordinates in the window */
+       gint x, y;
+
+       /** the screen width of the input field */
+       gint width;
+
+       /** is the input masked, i.e. characters displayed as '*'? */
+       const gboolean masked;
+
+       /** the byte position of the cursor */
+       gint cursor;
+
+       /** the byte position displayed at the origin (for horizontal
+           scrolling) */
+       gint start;
+
+       /** the current value */
+       gchar line[1024];
+};
+
+/** max items stored in the history list */
+static const guint wrln_max_history_length = 32;
+
 void *wrln_completion_callback_data = NULL;
 wrln_gcmp_pre_cb_t wrln_pre_completion_callback = NULL;
 wrln_gcmp_post_cb_t wrln_post_completion_callback = NULL;
 
-extern void sigstop(void);
-extern void screen_bell(void);
-extern size_t my_strlen(char *str);
-
-#ifndef USE_NCURSESW
 /* move the cursor one step to the right */
-static inline void cursor_move_right(gint *cursor,
-                                    gint *start,
-                                    gint width,
-                                    gint x0,
-                                    gint x1,
-                                    gchar *line)
+static inline void cursor_move_right(struct wreadln *wr)
 {
-       if (*cursor < strlen(line) && *cursor < wrln_max_line_size - 1) {
-               (*cursor)++;
-               if (*cursor + x0 >= x1 && *start < *cursor - width + 1)
-                       (*start)++;
+       if (wr->cursor < (int)strlen(wr->line)) {
+               ++wr->cursor;
+               if (wr->cursor >= wr->width &&
+                   wr->start < wr->cursor - wr->width + 1)
+                       ++wr->start;
        }
 }
 
 /* move the cursor one step to the left */
-static inline void cursor_move_left(gint *cursor,
-                                    gint *start)
+static inline void cursor_move_left(struct wreadln *wr)
 {
-  if( *cursor > 0 )
-    {
-      if( *cursor==*start && *start > 0 )
-       (*start)--;
-      (*cursor)--;
-    }
+       if (wr->cursor > 0) {
+               if (wr->cursor == wr->start && wr->start > 0)
+                       --wr->start;
+               --wr->cursor;
+       }
 }
 
 /* move the cursor to the end of the line */
-static inline void cursor_move_to_eol(gint *cursor,
-                                     gint *start,
-                                     gint width,
-                                     gint x0,
-                                     gint x1,
-                                     gchar *line)
+static inline void cursor_move_to_eol(struct wreadln *wr)
 {
-  *cursor = strlen(line);
-  if( *cursor+x0 >= x1 )
-    *start = *cursor-width+1;
+       wr->cursor = strlen(wr->line);
+       if (wr->cursor >= wr->width)
+               wr->start = wr->cursor - wr->width + 1;
 }
 
 /* draw line buffer and update cursor position */
-static inline void drawline(gint cursor,
-                           gint start,
-                           gint width,
-                           gint x0,
-                           gint y,
-                           gboolean masked,
-                           gchar *line,
-                           WINDOW *w)
+static inline void drawline(const struct wreadln *wr)
 {
-  wmove(w, y, x0);
-  /* clear input area */
-  whline(w, ' ', width);
-  /* print visible part of the line buffer */
-  if(masked == TRUE) whline(w, '*', my_strlen(line)-start);
-  else waddnstr(w, line+start, width);
-  /* move the cursor to the correct position */
-  wmove(w, y, x0 + cursor-start);
-  /* tell ncurses to redraw the screen */
-  doupdate();
+       wmove(wr->w, wr->y, wr->x);
+       /* clear input area */
+       whline(wr->w, ' ', wr->width);
+       /* print visible part of the line buffer */
+       if (wr->masked)
+               whline(wr->w, '*', utf8_width(wr->line) - wr->start);
+       else
+               waddnstr(wr->w, wr->line + wr->start, wr->width);
+       /* move the cursor to the correct position */
+       wmove(wr->w, wr->y, wr->x + wr->cursor - wr->start);
+       /* tell ncurses to redraw the screen */
+       doupdate();
 }
 
+static void
+wreadln_insert_byte(struct wreadln *wr, gint key)
+{
+       if (strlen(wr->line + wr->cursor)) { /* if the cursor is */
+               /* not at the last pos */
+               gsize rest = strlen(wr->line + wr->cursor) + 1;
+
+               memmove(wr->line + wr->cursor + 1,
+                       wr->line + wr->cursor, rest);
+               wr->line[wr->cursor] = key;
+       } else {
+               wr->line[wr->cursor + 1] = 0;
+               wr->line[wr->cursor] = key;
+       }
+
+       cursor_move_right(wr);
+}
 
 /* libcurses version */
 
-gchar *
+static gchar *
 _wreadln(WINDOW *w,
         const gchar *prompt,
         const gchar *initial_value,
@@ -132,71 +146,67 @@ _wreadln(WINDOW *w,
         GCompletion *gcmp,
         gboolean masked)
 {
+       struct wreadln wr = {
+               .w = w,
+               .masked = masked,
+               .cursor = 0,
+               .start = 0,
+       };
        GList *hlist = NULL, *hcurrent = NULL;
-       gchar *line;
-       gint x0, y, width;
-       gint cursor = 0, start = 0;
        gint key = 0, i;
 
-       /* allocate a line buffer */
-       line = g_malloc0(wrln_max_line_size);
        /* turn off echo */
        noecho();
        /* make shure the cursor is visible */
        curs_set(1);
        /* print prompt string */
-       if( prompt )
+       if (prompt)
                waddstr(w, prompt);
        /* retrive y and x0 position */
-       getyx(w, y, x0);
+       getyx(w, wr.y, wr.x);
        /* check the x1 value */
-       if( x1<=x0 || x1>COLS )
+       if (x1 <= wr.x || x1 > COLS)
                x1 = COLS;
-       width = x1-x0;
+       wr.width = x1 - wr.x;
        /* clear input area */
-       mvwhline(w, y, x0, ' ', width);
+       mvwhline(w, wr.y, wr.x, ' ', wr.width);
 
-       if( history ) {
+       if (history) {
                /* append the a new line to our history list */
-               *history = g_list_append(*history, g_malloc0(wrln_max_line_size));
+               *history = g_list_append(*history, g_malloc0(sizeof(wr.line)));
                /* hlist points to the current item in the history list */
-               hlist =  g_list_last(*history);
+               hlist = g_list_last(*history);
                hcurrent = hlist;
        }
 
-       if( initial_value == (char *) -1 ) {
+       if (initial_value == (char *)-1) {
                /* get previous history entry */
-               if( history && hlist->prev )
-                       {
-                               if( hlist==hcurrent )
-                                       {
-                                               /* save the current line */
-                                               g_strlcpy(hlist->data, line, wrln_max_line_size);
-                                       }
-                               /* get previous line */
-                               hlist = hlist->prev;
-                               g_strlcpy(line, hlist->data, wrln_max_line_size);
-                       }
-               cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
-               drawline(cursor, start, width, x0, y, masked, line, w);
-       } else if( initial_value ) {
+               if (history && hlist->prev) {
+                       if (hlist == hcurrent)
+                               /* save the current line */
+                               g_strlcpy(hlist->data, wr.line, sizeof(wr.line));
+
+                       /* get previous line */
+                       hlist = hlist->prev;
+                       g_strlcpy(wr.line, hlist->data, sizeof(wr.line));
+               }
+               cursor_move_to_eol(&wr);
+               drawline(&wr);
+       } else if (initial_value) {
                /* copy the initial value to the line buffer */
-               g_strlcpy(line, initial_value, wrln_max_line_size);
-               cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
-               drawline(cursor, start, width, x0, y, masked, line, w);
+               g_strlcpy(wr.line, initial_value, sizeof(wr.line));
+               cursor_move_to_eol(&wr);
+               drawline(&wr);
        }
 
-       while( key!=13 && key!='\n' ) {
-               if( wrln_wgetch )
-                       key = wrln_wgetch(w);
-               else
-                       key = wgetch(w);
+       while (key != 13 && key != '\n') {
+               key = wgetch(w);
 
                /* check if key is a function key */
-               for(i=0; i<63; i++)
-                       if( key==KEY_F(i) ) {
-                               key=KEY_F(1);
-                               i=64;
+               for (i = 0; i < 63; i++)
+                       if (key == KEY_F(i)) {
+                               key = KEY_F(1);
+                               i = 64;
                        }
 
                switch (key) {
@@ -206,43 +216,31 @@ _wreadln(WINDOW *w,
                case ERR: /* ingnore errors */
                        break;
 
-               case KEY_RESIZE:
-                       /* a resize event */
-                       if( x1>COLS ) {
-                               x1=COLS;
-                               width = x1-x0;
-                               cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
-                       }
-                       /* make shure the cursor is visible */
-                       curs_set(1);
-                       break;
-
                case TAB:
-                       if( gcmp ) {
+                       if (gcmp) {
                                char *prefix = NULL;
                                GList *list;
 
-                               if(wrln_pre_completion_callback)
-                                       wrln_pre_completion_callback(gcmp, line,
+                               if (wrln_pre_completion_callback)
+                                       wrln_pre_completion_callback(gcmp, wr.line,
                                                                     wrln_completion_callback_data);
-                               list = g_completion_complete(gcmp, line, &prefix);
-                               if( prefix ) {
-                                       g_strlcpy(line, prefix, wrln_max_line_size);
-                                       cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
+                               list = g_completion_complete(gcmp, wr.line, &prefix);
+                               if (prefix) {
+                                       g_strlcpy(wr.line, prefix, sizeof(wr.line));
+                                       cursor_move_to_eol(&wr);
                                        g_free(prefix);
-                               }
-                               else
+                               } else
                                        screen_bell();
-                               if( wrln_post_completion_callback )
-                                       wrln_post_completion_callback(gcmp, line, list,
+
+                               if (wrln_post_completion_callback)
+                                       wrln_post_completion_callback(gcmp, wr.line, list,
                                                                      wrln_completion_callback_data);
                        }
                        break;
 
                case KEY_CTRL_G:
                        screen_bell();
-                       g_free(line);
-                       if( history ) {
+                       if (history) {
                                g_free(hcurrent->data);
                                hcurrent->data = NULL;
                                *history = g_list_delete_link(*history, hcurrent);
@@ -250,67 +248,73 @@ _wreadln(WINDOW *w,
                        return NULL;
 
                case KEY_LEFT:
-                       cursor_move_left(&cursor, &start);
+               case KEY_CTRL_B:
+                       cursor_move_left(&wr);
                        break;
                case KEY_RIGHT:
-                       cursor_move_right(&cursor, &start, width, x0, x1, line);
+               case KEY_CTRL_F:
+                       cursor_move_right(&wr);
                        break;
                case KEY_HOME:
                case KEY_CTRL_A:
-                       cursor = 0;
-                       start = 0;
+                       wr.cursor = 0;
+                       wr.start = 0;
                        break;
                case KEY_END:
                case KEY_CTRL_E:
-                       cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
+                       cursor_move_to_eol(&wr);
                        break;
                case KEY_CTRL_K:
-                       line[cursor] = 0;
+                       wr.line[wr.cursor] = 0;
                        break;
                case KEY_CTRL_U:
-                       cursor = my_strlen(line);
-                       for (i = 0;i < cursor; i++)
-                               line[i] = '\0';
-                       cursor = 0;
+                       wr.cursor = utf8_width(wr.line);
+                       for (i = 0; i < wr.cursor; i++)
+                               wr.line[i] = '\0';
+                       wr.cursor = 0;
                        break;
                case 127:
                case KEY_BCKSPC:        /* handle backspace: copy all */
                case KEY_BACKSPACE:     /* chars starting from curpos */
-                       if( cursor > 0 ) {/* - 1 from buf[n+1] to buf   */
-                               for (i = cursor - 1; line[i] != 0; i++)
-                                       line[i] = line[i + 1];
-                               cursor_move_left(&cursor, &start);
+                       if (wr.cursor > 0) {/* - 1 from buf[n+1] to buf   */
+                               for (i = wr.cursor - 1; wr.line[i] != 0; i++)
+                                       wr.line[i] = wr.line[i + 1];
+                               cursor_move_left(&wr);
                        }
                        break;
                case KEY_DC:            /* handle delete key. As above */
                case KEY_CTRL_D:
-                       if (cursor <= my_strlen(line) - 1) {
-                               for (i = cursor; line[i] != 0; i++)
-                                       line[i] = line[i + 1];
+                       if (wr.cursor <= (gint)utf8_width(wr.line) - 1) {
+                               for (i = wr.cursor; wr.line[i] != 0; i++)
+                                       wr.line[i] = wr.line[i + 1];
                        }
                        break;
                case KEY_UP:
+               case KEY_CTRL_P:
                        /* get previous history entry */
-                       if( history && hlist->prev ) {
-                               if( hlist==hcurrent )
-                                       {
-                                               /* save the current line */
-                                               g_strlcpy(hlist->data, line, wrln_max_line_size);
-                                       }
+                       if (history && hlist->prev) {
+                               if (hlist == hcurrent)
+                                       /* save the current line */
+                                       g_strlcpy(hlist->data, wr.line,
+                                                 sizeof(wr.line));
+
                                /* get previous line */
                                hlist = hlist->prev;
-                               g_strlcpy(line, hlist->data, wrln_max_line_size);
+                               g_strlcpy(wr.line, hlist->data,
+                                         sizeof(wr.line));
                        }
-                       cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
+                       cursor_move_to_eol(&wr);
                        break;
                case KEY_DOWN:
+               case KEY_CTRL_N:
                        /* get next history entry */
-                       if( history && hlist->next ) {
+                       if (history && hlist->next) {
                                /* get next line */
                                hlist = hlist->next;
-                               g_strlcpy(line, hlist->data, wrln_max_line_size);
+                               g_strlcpy(wr.line, hlist->data,
+                                         sizeof(wr.line));
                        }
-                       cursor_move_to_eol(&cursor, &start, width, x0, x1, line);
+                       cursor_move_to_eol(&wr);
                        break;
 
                case '\n':
@@ -322,37 +326,20 @@ _wreadln(WINDOW *w,
                        /* ignore char */
                        break;
                default:
-                       if (key >= 32) {
-                               if (strlen (line + cursor)) { /* if the cursor is */
-                                       /* not at the last pos */
-                                       gchar *tmp = 0;
-                                       gsize size = strlen(line + cursor) + 1;
-
-                                       tmp = g_malloc0(size);
-                                       g_strlcpy (tmp, line + cursor, size);
-                                       line[cursor] = key;
-                                       line[cursor + 1] = 0;
-                                       g_strlcat (&line[cursor + 1], tmp, size);
-                                       g_free(tmp);
-                                       cursor_move_right(&cursor, &start, width, x0, x1, line);
-                               } else {
-                                       line[cursor + 1] = 0;
-                                       line[cursor] = key;
-                                       cursor_move_right(&cursor, &start, width, x0, x1, line);
-                               }
-                       }
+                       if (key >= 32)
+                               wreadln_insert_byte(&wr, key);
                }
 
-               drawline(cursor, start, width, x0, y, masked, line, w);
+               drawline(&wr);
        }
 
        /* update history */
-       if( history ) {
-               if( strlen(line) ) {
+       if (history) {
+               if (strlen(wr.line)) {
                        /* update the current history entry */
-                       size_t size = strlen(line)+1;
+                       size_t size = strlen(wr.line) + 1;
                        hcurrent->data = g_realloc(hcurrent->data, size);
-                       g_strlcpy(hcurrent->data, line, size);
+                       g_strlcpy(hcurrent->data, wr.line, size);
                } else {
                        /* the line was empty - remove the current history entry */
                        g_free(hcurrent->data);
@@ -360,7 +347,7 @@ _wreadln(WINDOW *w,
                        *history = g_list_delete_link(*history, hcurrent);
                }
 
-               while( g_list_length(*history) > wrln_max_history_length ) {
+               while (g_list_length(*history) > wrln_max_history_length) {
                        GList *first = g_list_first(*history);
 
                        /* remove the oldest history entry  */
@@ -370,396 +357,8 @@ _wreadln(WINDOW *w,
                }
        }
 
-       return g_realloc(line, strlen(line)+1);
-}
-
-#else
-
-/* move the cursor one step to the right */
-static inline void cursor_move_right(gint *cursor,
-                                    gint *start,
-                                    gint width,
-                                    gint x0,
-                                    gint x1,
-                                    wchar_t *wline)
-{
-  if( *cursor < wcslen(wline) && *cursor<wrln_max_line_size-1 )
-    {
-      (*cursor)++;
-      if( *cursor+x0 >= x1 && *start<*cursor-width+1)
-       (*start)++;
-    }
-}
-
-/* move the cursor one step to the left */
-static inline void cursor_move_left(gint *cursor,
-                                   gint *start,
-                                   gint width,
-                                   gint x0,
-                                   gint x1,
-                                   wchar_t *line)
-{
-  if( *cursor > 0 )
-    {
-      if( *cursor==*start && *start > 0 )
-       (*start)--;
-      (*cursor)--;
-    }
-}
-
-
-static inline void backspace(gint *cursor,
-                            gint *start,
-                            gint width,
-                            gint x0,
-                            gint x1,
-                            wchar_t *wline) 
-{
-  int i;
-  if( *cursor > 0 )    
-    {
-      for (i = *cursor - 1; wline[i] != 0; i++)
-       wline[i] = wline[i + 1];
-      cursor_move_left(cursor, start, width, x0, x1, wline);
-    }
-}
-
-/* handle delete */
-static inline void delete(gint *cursor,
-                         wchar_t *wline) 
-{
-  int i;
-  if( *cursor <= wcslen(wline) - 1 ) 
-    {
-      for (i = *cursor; wline[i] != 0; i++)
-       wline[i] = wline[i + 1];
-    }
-}
-
-/* move the cursor to the end of the line */
-static inline void cursor_move_to_eol(gint *cursor,
-                                     gint *start,
-                                     gint width,
-                                     gint x0,
-                                     gint x1,
-                                     wchar_t *line)
-{
-  *cursor = wcslen(line);
-  if( *cursor+x0 >= x1 )
-    *start = *cursor-width+1;
-}
-
-/* draw line buffer and update cursor position */
-static inline void drawline(gint cursor,
-                           gint start,
-                           gint width,
-                           gint x0,
-                           gint y,
-                           gboolean masked,
-                           wchar_t *line,
-                           WINDOW *w)
-{
-  wmove(w, y, x0);
-  /* clear input area */
-  whline(w, ' ', width);
-  /* print visible part of the line buffer */
-  if(masked == TRUE) whline(w, '*', wcslen(line)-start);
-  else waddnwstr(w, line+start, width);
-  FILE *dbg = fopen ("dbg", "a+");
-  fprintf (dbg, "%i,%s---%i---", width, line, wcslen (line));
-  /* move the cursor to the correct position */
-  wmove(w, y, x0 + cursor-start);
-  /* tell ncurses to redraw the screen */
-  doupdate();
-}
-
-/* libcursesw version */ 
-
-gchar *
-_wreadln(WINDOW *w,
-        const gchar *prompt,
-        const gchar *initial_value,
-        gint x1,
-        GList **history,
-        GCompletion *gcmp,
-        gboolean masked)
-{
-       GList *hlist = NULL, *hcurrent = NULL;
-       wchar_t *wline;
-       gchar *mbline;
-       gint x0, x, y, width, start;
-       gint cursor;
-       wint_t wch;
-       gint key;
-       gint i;
-
-  /* initialize variables */
-  start = 0;
-  x = 0;
-  cursor = 0;
-  mbline = NULL;
-
-  /* allocate a line buffer */
-  wline = g_malloc0(wrln_max_line_size*sizeof(wchar_t));
-  /* turn off echo */
-  noecho();            
-  /* make shure the cursor is visible */
-  curs_set(1);
-  /* print prompt string */
-  if( prompt )
-    waddstr(w, prompt);        
-   /* retrive y and x0 position */
-  getyx(w, y, x0);
-  /* check the x1 value */
-  if( x1<=x0 || x1>COLS )
-    x1 = COLS;
-  width = x1-x0;
-  /* clear input area */
-  mvwhline(w, y, x0, ' ', width);
-
-
-  if( history )
-    {
-      /* append the a new line to our history list */
-      *history = g_list_append(*history, g_malloc0(wrln_max_line_size));
-      /* hlist points to the current item in the history list */
-      hlist =  g_list_last(*history);
-      hcurrent = hlist;
-    }
-  if( initial_value == (char *) -1 )
-    {
-      /* get previous history entry */
-      if( history && hlist->prev )
-       {
-         if( hlist==hcurrent )
-           {
-             /* save the current line */
-             //g_strlcpy(hlist->data, line, wrln_max_line_size);
-           }
-         /* get previous line */
-         hlist = hlist->prev;
-         mbstowcs(wline, hlist->data, wrln_max_line_size);
-       }
-      cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-      drawline(cursor, start, width, x0, y, masked, wline, w);
-    }
-  else if( initial_value )
-    {
-      /* copy the initial value to the line buffer */
-      mbstowcs(wline, initial_value, wrln_max_line_size);
-      cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-      drawline(cursor, start, width, x0, y, masked, wline, w);
-    }  
-
-  wch=0;
-  key=0;
-  while( wch!=13 && wch!='\n' )
-    {
-      key = wget_wch(w, &wch);
-
-      if( key==KEY_CODE_YES )
-       {
-         /* function key */
-         switch(wch)
-           {
-           case KEY_HOME:
-             x=0;
-             cursor=0;
-             start=0;
-             break;
-           case KEY_END:
-             cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-             break;
-           case KEY_LEFT:
-             cursor_move_left(&cursor, &start, width, x0, x1, wline);
-             break;
-           case KEY_RIGHT:
-             cursor_move_right(&cursor, &start, width, x0, x1, wline);
-             break;
-           case KEY_DC:
-             delete(&cursor, wline);
-             break;
-           case KEY_BCKSPC:
-           case KEY_BACKSPACE: 
-             backspace(&cursor, &start, width, x0, x1, wline);
-             break;
-           case KEY_UP:                
-             /* get previous history entry */
-             if( history && hlist->prev )
-               {
-                 if( hlist==hcurrent )
-                   {
-                     /* save the current line */
-                     wcstombs(hlist->data, wline, wrln_max_line_size);
-                   }
-                 /* get previous line */
-                 hlist = hlist->prev;
-                 mbstowcs(wline, hlist->data, wrln_max_line_size);
-               }
-             cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-             break; 
-           case KEY_DOWN:      
-             /* get next history entry */
-             if( history && hlist->next )
-               {
-                 /* get next line */
-                 hlist = hlist->next;
-                 mbstowcs(wline, hlist->data, wrln_max_line_size);
-               }
-             cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-             break;
-           case KEY_RESIZE:
-             /* resize event */
-             if( x1>COLS )
-               {
-                 x1=COLS;
-                 width = x1-x0;
-                 cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-               }
-             /* make shure the cursor is visible */
-             curs_set(1);
-             break;
-           }
-
-       }
-      else if( key!=ERR )
-       {
-         switch(wch)
-           {
-           case KEY_CTRL_A:
-             x=0;
-             cursor=0;
-             start=0;
-             break;
-           case KEY_CTRL_C:
-             exit(EXIT_SUCCESS);
-             break;
-           case KEY_CTRL_D:
-             delete(&cursor, wline);
-             break;
-           case KEY_CTRL_E:
-             cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-             break;
-           case TAB:
-             if( gcmp )
-               {
-                 char *prefix = NULL;
-                 GList *list;
-                 
-                 i = wcstombs(NULL,wline,0)+1;
-                 mbline = g_malloc0(i);
-                 wcstombs(mbline, wline, i);
-                 
-                 if(wrln_pre_completion_callback)
-                   wrln_pre_completion_callback(gcmp, mbline, 
-                                                wrln_completion_callback_data);
-                 list = g_completion_complete(gcmp, mbline, &prefix);        
-                 if( prefix )
-                   {
-                     mbstowcs(wline, prefix, wrln_max_line_size);
-                     cursor_move_to_eol(&cursor, &start, width, x0, x1, wline);
-                     g_free(prefix);
-                   }
-                 else
-                   screen_bell();
-                 if( wrln_post_completion_callback )
-                   wrln_post_completion_callback(gcmp, mbline, list,
-                                                 wrln_completion_callback_data);
-                 
-                 g_free(mbline);
-               }
-             break;
-           case KEY_CTRL_G:
-             screen_bell();
-             g_free(wline);
-             if( history )
-               {
-                 g_free(hcurrent->data);
-                 hcurrent->data = NULL;
-                 *history = g_list_delete_link(*history, hcurrent);
-               }
-             return NULL;
-           case KEY_CTRL_K:
-             wline[cursor] = 0;
-             break;
-           case KEY_CTRL_U:
-             cursor = wcslen(wline);
-             for (i = 0;i < cursor; i++)
-               wline[i] = '\0';
-             cursor = 0;
-             break;
-           case KEY_CTRL_Z:
-             sigstop();
-             break;
-           case 127:
-             backspace(&cursor, &start, width, x0, x1, wline);
-             break;
-           case '\n':
-           case 13:
-             /* ignore char */
-             break;
-           default:
-             if( (wcslen(wline+cursor)) )
-               {
-                 /* the cursor is not at the last pos */
-                 wchar_t *tmp = NULL;
-                 gsize len = (wcslen(wline+cursor)+1);
-                 tmp = g_malloc0(len*sizeof(wchar_t));
-                 wmemcpy(tmp, wline+cursor, len);
-                 wline[cursor] = wch;
-                 wline[cursor+1] = 0;
-                 wcscat(&wline[cursor+1], tmp);
-                 g_free(tmp);
-                 cursor_move_right(&cursor, &start, width, x0, x1, wline);
-               }
-             else
-               {
-                 FILE *ff = fopen ("curspr", "a+");
-                 fprintf (ff, "%i", cursor);
-                 wline[cursor] = wch;
-                 wline[cursor+1] = 0;
-                 cursor_move_right(&cursor, &start, width, x0, x1, wline);
-               }
-           }
-       }
-      drawline(cursor, start, width, x0, y, masked, wline, w);
-    }
-  i = wcstombs(NULL,wline,0)+1;
-  mbline = g_malloc0(i);
-  wcstombs(mbline, wline, i);
-
-  /* update history */
-  if( history )
-    {
-      if( strlen(mbline) )
-       {
-         /* update the current history entry */
-         size_t size = strlen(mbline)+1;
-         hcurrent->data = g_realloc(hcurrent->data, size);
-         g_strlcpy(hcurrent->data, mbline, size);
-       }
-      else
-       {
-         /* the line was empty - remove the current history entry */
-         g_free(hcurrent->data);
-         hcurrent->data = NULL;
-         *history = g_list_delete_link(*history, hcurrent);
-       }
-
-      while( g_list_length(*history) > wrln_max_history_length )
-       {
-         GList *first = g_list_first(*history);
-
-         /* remove the oldest history entry  */
-         g_free(first->data);
-         first->data = NULL;
-         *history = g_list_delete_link(*history, first);
-       }
-    }
-  return mbline;
+       return g_strdup(wr.line);
 }
-#endif
 
 gchar *
 wreadln(WINDOW *w,