From c425407979c2eca1a6fe6858923619de18c8d058 Mon Sep 17 00:00:00 2001
From: Jabier Arraiza Cenoz <jabier.arraiza@marker.es>
Date: Fri, 6 May 2016 22:56:57 +0200
Subject: Finishing eraser tool. TODO undo work

(bzr r14865.1.2)
---
 src/document-undo.cpp | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

(limited to 'src/document-undo.cpp')

diff --git a/src/document-undo.cpp b/src/document-undo.cpp
index eb0ac7707..f6bcf3ab2 100644
--- a/src/document-undo.cpp
+++ b/src/document-undo.cpp
@@ -328,28 +328,35 @@ gboolean Inkscape::DocumentUndo::redo(SPDocument *doc)
 	return ret;
 }
 
-void Inkscape::DocumentUndo::clearUndo(SPDocument *doc)
+void Inkscape::DocumentUndo::clearUndo(SPDocument *doc, size_t limit)
 {
     if (! doc->priv->undo.empty())
         doc->priv->undoStackObservers.notifyClearUndoEvent();
-    while (! doc->priv->undo.empty()) {
+    if (limit == 0) {
+        limit = doc->priv->undo.size();
+    }
+    while (! doc->priv->undo.empty() && limit > 0) {
         Inkscape::Event *e = doc->priv->undo.back();
         doc->priv->undo.pop_back();
         delete e;
         doc->priv->history_size--;
+        limit--;
     }
 }
 
-void Inkscape::DocumentUndo::clearRedo(SPDocument *doc)
+void Inkscape::DocumentUndo::clearRedo(SPDocument *doc, size_t limit)
 {
-        if (!doc->priv->redo.empty())
-                doc->priv->undoStackObservers.notifyClearRedoEvent();
-
-    while (! doc->priv->redo.empty()) {
+    if (!doc->priv->redo.empty())
+            doc->priv->undoStackObservers.notifyClearRedoEvent();
+    if (limit == 0) {
+        limit = doc->priv->undo.size();
+    }
+    while (! doc->priv->redo.empty() && limit > 0) {
         Inkscape::Event *e = doc->priv->redo.back();
         doc->priv->redo.pop_back();
         delete e;
         doc->priv->history_size--;
+        limit--;
     }
 }
 
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