[Performous-commit] Tapio Vierros : Implement an Operation combiner.

[Tapio V. <aa...@us...>]

Module: editor
Branch: master
Commit: 439a1387f8cd412bd79f2957ce4d1274a5c854de

Author: Tapio Vierros <tap...@gm...>
Date:   Thu Jan 13 18:26:09 2011 +0200

Implement an Operation combiner.

Allows grouping several Operations to a single undo-step.

---

 editorapp.cc |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/editorapp.cc b/editorapp.cc
index cf2881e..89374e1 100644
--- a/editorapp.cc
+++ b/editorapp.cc
@@ -185,6 +185,11 @@ void EditorApp::on_actionUndo_triggered()
 {
 	if (opStack.top().op() == "BLOCK")
 		return;
+	else if (opStack.top().op() == "COMBINER") {
+		int count = opStack.top().i(1);
+		for (int i = 0; i < count; ++i) opStack.pop();
+		// TODO: Redo handling
+	}
 
 	// TODO: Move popped to redo stack
 	opStack.pop();