From 1fe73e6af81759fa8b78c8660745492ed886d477 Mon Sep 17 00:00:00 2001
From: Pierre Courtieu <Pierre.Courtieu@cnam.fr>
Date: Wed, 26 Apr 2017 11:57:58 +0200
Subject: Adding an option "Printing Unfocused".

Off by default.

+ small refactoring of emacs hacks in printer.ml.
---
 ide/wg_ProofView.ml | 35 +++++++++++++++++++++++++----------
 1 file changed, 25 insertions(+), 10 deletions(-)

(limited to 'ide/wg_ProofView.ml')

diff --git a/ide/wg_ProofView.ml b/ide/wg_ProofView.ml
index f801091cf..60b2d9e60 100644
--- a/ide/wg_ProofView.ml
+++ b/ide/wg_ProofView.ml
@@ -47,7 +47,7 @@ let hook_tag_cb tag menu_content sel_cb hover_cb =
                      hover_cb start stop; false
                  | _ -> false))
 
-let mode_tactic sel_cb (proof : #GText.view_skel) goals hints = match goals with
+let mode_tactic sel_cb (proof : #GText.view_skel) goals unfoc_goals hints = match goals with
   | [] -> assert false
   | { Interface.goal_hyp = hyps; Interface.goal_ccl = cur_goal; } :: rem_goals ->
       let on_hover sel_start sel_stop =
@@ -65,8 +65,11 @@ let mode_tactic sel_cb (proof : #GText.view_skel) goals hints = match goals with
       let head_str = Printf.sprintf
         "%d subgoal%s\n" goals_cnt (if 1 < goals_cnt then "s" else "")
       in
-      let goal_str index total = Printf.sprintf
-        "______________________________________(%d/%d)\n" index total
+      let goal_str shownum index total =
+        if shownum then Printf.sprintf
+                          "______________________________________(%d/%d)\n" index total
+        else Printf.sprintf
+               "______________________________________\n"
       in
       (* Insert current goal and its hypotheses *)
       let hyps_hints, goal_hints = match hints with
@@ -97,18 +100,29 @@ let mode_tactic sel_cb (proof : #GText.view_skel) goals hints = match goals with
           [tag]
           else []
         in
-        proof#buffer#insert (goal_str 1 goals_cnt);
+        proof#buffer#insert (goal_str true 1 goals_cnt);
         insert_xml proof#buffer (Richpp.richpp_of_pp width cur_goal);
         proof#buffer#insert "\n"
       in
       (* Insert remaining goals (no hypotheses) *)
-      let fold_goal i _ { Interface.goal_ccl = g } =
-        proof#buffer#insert (goal_str i goals_cnt);
+      let fold_goal shownum i _ { Interface.goal_ccl = g } =
+        proof#buffer#insert (goal_str shownum i goals_cnt);
         insert_xml proof#buffer (Richpp.richpp_of_pp width g);
         proof#buffer#insert "\n"
       in
-      let () = Util.List.fold_left_i fold_goal 2 () rem_goals in
-
+      let () = Util.List.fold_left_i (fold_goal true) 2 () rem_goals in
+      (* show unfocused goal if option set *)
+      (* Insert remaining goals (no hypotheses) *)
+      if Coq.PrintOpt.printing_unfocused () then
+        begin
+          ignore(proof#buffer#place_cursor ~where:(proof#buffer#end_iter));
+          let unfoc = List.flatten (List.rev (List.map (fun (x,y) -> x@y) unfoc_goals)) in
+          if unfoc<>[] then
+            begin
+              proof#buffer#insert "\nUnfocused Goals:\n";
+              Util.List.fold_left_i (fold_goal false) 0 () unfoc
+            end
+        end;
       ignore(proof#buffer#place_cursor
                ~where:(proof#buffer#end_iter#backward_to_tag_toggle
                          (Some Tags.Proof.goal)));
@@ -172,8 +186,9 @@ let display mode (view : #GText.view_skel) goals hints evars =
       in
       List.iteri iter bg
     end
-  | Some { Interface.fg_goals = fg } ->
-    mode view fg hints
+  | Some { Interface.fg_goals = fg; bg_goals = bg } ->
+    mode view fg bg hints
+
 
 let proof_view () =
   let buffer = GSourceView2.source_buffer
-- 
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