Added completion stuff

git-svn-id: https://svn.musicpd.org/ncmpc/trunk@1556 09075e82-0dd4-0310-85a5-a0d7c8717e4f

4 files changed, 44 insertions, 3 deletions

diff --git a/src/screen_utils.c b/src/screen_utils.c
index 398fdd9fe..16359c6ea 100644
--- a/src/screen_utils.c
+++ b/src/screen_utils.c
@@ -159,4 +159,26 @@ screen_find(screen_t *screen,
   return 0;
 }
 
+void
+screen_display_completion_list(screen_t *screen, GList *list)
+{
+  WINDOW *w = screen->main_window.w;
+  gint y=0;
 
+  colors_use(w, COLOR_STATUS_ALERT);
+  while( y<screen->main_window.rows )
+    {
+      wmove(w, y++, 0);
+      wclrtoeol(w);
+      if( list )
+	{
+	  gchar *tmp = g_strdup(list->data);
+	  waddstr(w, basename(tmp));
+	  g_free(tmp);
+	  list = list->next;
+	}
+    }
+  wrefresh(w);
+  doupdate();
+  colors_use(w, COLOR_LIST);
+}
diff --git a/src/screen_utils.h b/src/screen_utils.h
index b6e8d1171..d60a33824 100644
--- a/src/screen_utils.h
+++ b/src/screen_utils.h
@@ -1,9 +1,13 @@
+#ifndef SCREEN_UTILS_H
+#define SCREEN_UTILS_H
 
 /* read a characher from the status window */
 int screen_getch(WINDOW *w, char *prompt);
 
 /* read a string from the status window */
 char *screen_getstr(WINDOW *w, char *prompt);
+char *screen_readln(WINDOW *w, char *prompt, char *value,
+		    GList **history, GCompletion *gcmp);
 
 /* query user for a string and find it in a list window */
 int screen_find(screen_t *screen,
@@ -14,5 +18,6 @@ int screen_find(screen_t *screen,
 		list_window_callback_fn_t callback_fn);
 
 
-int my_waddstr(WINDOW *, const char *, int);
-int my_mvwaddstr(WINDOW *, int, int, const char *, int);
+void screen_display_completion_list(screen_t *screen, GList *list);
+
+#endif
diff --git a/src/wreadln.c b/src/wreadln.c
index 6ac94b7dc..b5caef7dd 100644
--- a/src/wreadln.c
+++ b/src/wreadln.c
@@ -39,6 +39,8 @@
 unsigned int wrln_max_line_size = WRLN_MAX_LINE_SIZE;
 unsigned int wrln_max_history_length = WRLN_MAX_HISTORY_LENGTH;
 GVoidFunc wrln_resize_callback = NULL;
+wrln_gcmp_pre_cb_t wrln_pre_completion_callback = NULL;
+wrln_gcmp_post_cb_t wrln_post_completion_callback = NULL;
 
 
 char *
@@ -183,7 +185,9 @@ wreadln(WINDOW *w,
 	      char *prefix = NULL;
 	      GList *list;
 	      
-	      list = g_completion_complete(gcmp, line, &prefix);
+	      if(wrln_pre_completion_callback)
+		wrln_pre_completion_callback(gcmp, line);
+	      list = g_completion_complete(gcmp, line, &prefix);	      
 	      if( prefix )
 		{
 		  int len = strlen(prefix);
@@ -193,6 +197,8 @@ wreadln(WINDOW *w,
 		}
 	      else
 		beep();
+	      if( wrln_post_completion_callback )
+		wrln_post_completion_callback(gcmp, line, list);
 	    }
 	  break;
 
diff --git a/src/wreadln.h b/src/wreadln.h
index 270d73fb1..520ba2a6a 100644
--- a/src/wreadln.h
+++ b/src/wreadln.h
@@ -10,6 +10,14 @@ extern unsigned int wrln_max_history_length;
 /* a callback function for KEY_RESIZE */
 extern GVoidFunc wrln_resize_callback;
 
+/* called after TAB is pressed but before g_completion_complete */
+typedef void (*wrln_gcmp_pre_cb_t) (GCompletion *gcmp, gchar *buf);
+extern wrln_gcmp_pre_cb_t wrln_pre_completion_callback;
+
+/* post completion callback */
+typedef void (*wrln_gcmp_post_cb_t) (GCompletion *gcmp, gchar *s, GList *l);
+extern wrln_gcmp_post_cb_t wrln_post_completion_callback;
+
 /* Note, wreadln calls curs_set() and noecho(), to enable cursor and 
  * disable echo. wreadln will not restore these settings when exiting! */
 char *wreadln(WINDOW *w,           /* the curses window to use */