Fix painting of completions window, remove loop parameter

part of darcs patch Fri Sep 23 22:15:31 EEST 2005  Martin Gasbichler <gasbichl@informatik.uni-tuebingen.de>

scheme/nuit-engine.scm

@@ -404,10 +404,9 @@
 	 (release-lock paint-lock)
 	 (lp (cml-receive statistics-channel))))))
 
-  ;;Loop
   (paint)
-  (let loop ((ch (wait-for-input)) (c-x-pressed? #f)
+  (let loop ((ch (wait-for-input)) 
-	     (completion-selector #f))
+             (c-x-pressed? #f))
 
     (cond
      (maybe-modal-window
@@ -418,75 +417,69 @@
             (when (current-history-item)
               (paint-result-window (entry-data (current-history-item)))
               (refresh-result-window))))
-      (loop (wait-for-input) c-x-pressed? completion-selector))
+      (loop (wait-for-input) c-x-pressed?))
      ;; Ctrl-x -> wait for next input
      ((= ch key-control-x)
-      (loop (wait-for-input) #t completion-selector))
+      (loop (wait-for-input) #t))
 
-     ;; tab pressed twice, select completion using select-list
+     ;; tab is pressed, offer completions
-     ((and (focus-on-command-buffer?)
-	   completion-selector
-	   (= ch key-tab))
-      (focus-result-buffer!)
-      (loop (wait-for-input) #f completion-selector))
-
-     ;; tab is pressed in the first place, offer completions
      ((and (focus-on-command-buffer?)
 	   (command-buffer-in-command-mode?)
 	   (= ch key-tab))
       (offer-completions (last (buffer-text (command-buffer))))
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ((and (focus-on-command-buffer?)
 	   (command-buffer-in-command-mode?)
 	   c-x-pressed?
 	   (= ch (config 'main 'switch-command-buffer-mode-key)))
       (toggle-command/scheme-mode-with-conversion)
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ((= ch (config 'main 'switch-command-buffer-mode-key))
       (toggle-command/scheme-mode)
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ((= ch key-end)
       (show-shell-screen)
       (paint)
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ;; C-x o --- toggle buffer focus
      ((and c-x-pressed? (= ch key-o))
       (toggle-buffer-focus)
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ;; C-x p --- insert selection
      ((and c-x-pressed? (current-history-item)
 	   (= ch 112))
       (paste-selection/refresh (current-viewer))
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ;; C-x P --- insert focus object(s)
      ((and c-x-pressed? (current-history-item)
 	   (= ch 80))
       (paste-focus-object/refresh (current-viewer))
-      (loop (wait-for-input) #f #f))
+      (loop (wait-for-input) #f))
 
      ((and c-x-pressed? (focus-on-result-buffer?))
       (update-current-viewer!
        (send (current-viewer) 
 	     'key-press ch key-control-x))
-	(loop (wait-for-input) #f #f))
+	(loop (wait-for-input) #f))
 
      ;; C-x r --- redo
      ((and c-x-pressed? (focus-on-command-buffer?)
 	   (= ch 114))
-      (debug-message "Eric should re-implement redo..."))
+      (debug-message "Eric should re-implement redo...")
+      (loop (wait-for-input) #f))
      
      ((= ch key-f1)
       (endwin))
      
      ((= ch key-f2)
       (paint)
-      (loop (wait-for-input) c-x-pressed? #f))
+      (loop (wait-for-input) c-x-pressed?))
 
      ;; forward in result history
      ((= ch key-npage)
@@ -498,7 +491,7 @@
 	(paint-result-window (entry-data (current-history-item))))
       (refresh-result-window)
       (release-lock paint-lock)
-      (loop (wait-for-input) c-x-pressed? #f))
+      (loop (wait-for-input) c-x-pressed?))
      
      ;; back in result history
      ((= ch key-ppage)
@@ -510,7 +503,7 @@
 	(paint-result-window (entry-data (current-history-item))))
       (refresh-result-window)
       (release-lock paint-lock)
-      (loop (wait-for-input) c-x-pressed? #f))
+      (loop (wait-for-input) c-x-pressed?))
 
      ((and (focus-on-command-buffer?) (= ch 10))
       (input (command-buffer) ch)
@@ -522,7 +515,7 @@
       (refresh-command-window)
       (release-lock paint-lock)
       (handle-return-key)
-      (loop (wait-for-input) c-x-pressed? #f))
+      (loop (wait-for-input) c-x-pressed?))
 
      (else 
       (cond
@@ -536,7 +529,7 @@
 	  (move-cursor (command-buffer) (result-buffer))
 	  (refresh-result-window)
 	  (release-lock paint-lock))
-	(loop (wait-for-input) #f #f))
+	(loop (wait-for-input) #f))
        (else
 	(input (command-buffer) ch)
 	(obtain-lock paint-lock)
@@ -546,7 +539,7 @@
 	(move-cursor (command-buffer) (result-buffer))
 	(refresh-command-window)
 	(release-lock paint-lock)
-	(loop (wait-for-input) c-x-pressed? #f)))))))
+	(loop (wait-for-input) c-x-pressed?)))))))
 
 (define (paint-bar-1)
   (mvwaddstr (app-window-curses-win (bar-1)) 0 1 "Commander S")
@@ -799,16 +792,6 @@
   (move-cursor (command-buffer) (result-buffer))
   (refresh-command-window))
 
-(define (paint-completion-select-list win width select-list command)
-  (wclear win)
-  (wattron win (A-BOLD))
-  (mvwaddstr win 0 0 
-             (string-append "Possible completions for " command))
-  (wattrset win (A-NORMAL))
-  (paint-selection-list-at select-list 0 2
-                           win width #t)
-  (wrefresh win))
-
 (define (current-cursor-index)
   ;; #### No, I will not comment on this.
   (- (buffer-pos-col (command-buffer)) 2))
@@ -868,11 +851,16 @@
                    0
                    (+ 1 (quotient (- inner-width header-length) 2))
                    header-line)
-        (paint-completion-select-list dialog-win inner-width select-list command)
+        (paint-selection-list-at select-list 1 1
+                                 dialog-win inner-width #t)
         (wrefresh dialog-win))
       (paint)
       (lambda (key)
         (cond
+         ((= key 27)
+          (delete-app-window! dialog)
+          (close-modal-window!)
+          #t)
          ((= key 10)
           (let ((completion
                  (select-list-selected-entry select-list)))