From 82bdd42a475d240bb08e201a47b0972d0b2862a6 Mon Sep 17 00:00:00 2001
From: Aleks Kissinger <aleks0@gmail.com>
Date: Tue, 19 Dec 2017 23:02:35 +0000
Subject: undo move works

---
 tikzit/src/gui/mainmenu.cpp     |  6 ++++--
 tikzit/src/gui/mainwindow.cpp   |  5 +++++
 tikzit/src/gui/mainwindow.h     |  1 +
 tikzit/src/gui/undocommands.cpp | 18 ++++++++++++++++--
 4 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/tikzit/src/gui/mainmenu.cpp b/tikzit/src/gui/mainmenu.cpp
index 6c8f395..c9e83ba 100644
--- a/tikzit/src/gui/mainmenu.cpp
+++ b/tikzit/src/gui/mainmenu.cpp
@@ -36,12 +36,14 @@ void MainMenu::on_actionSave_As_triggered()
 // Edit
 void MainMenu::on_actionUndo_triggered()
 {
-    // TODO
+    if (tikzit->activeWindow() != 0)
+        tikzit->activeWindow()->tikzDocument()->undoStack()->undo();
 }
 
 void MainMenu::on_actionRedo_triggered()
 {
-    // TODO
+    if (tikzit->activeWindow() != 0)
+        tikzit->activeWindow()->tikzDocument()->undoStack()->redo();
 }
 
 void MainMenu::on_actionCut_triggered()
diff --git a/tikzit/src/gui/mainwindow.cpp b/tikzit/src/gui/mainwindow.cpp
index 740c0eb..19b6a59 100644
--- a/tikzit/src/gui/mainwindow.cpp
+++ b/tikzit/src/gui/mainwindow.cpp
@@ -71,6 +71,11 @@ void MainWindow::changeEvent(QEvent *event)
     QMainWindow::changeEvent(event);
 }
 
+TikzDocument *MainWindow::tikzDocument() const
+{
+    return _tikzDocument;
+}
+
 TikzScene *MainWindow::tikzScene() const
 {
     return _tikzScene;
diff --git a/tikzit/src/gui/mainwindow.h b/tikzit/src/gui/mainwindow.h
index 4af3357..f27677a 100644
--- a/tikzit/src/gui/mainwindow.h
+++ b/tikzit/src/gui/mainwindow.h
@@ -30,6 +30,7 @@ public:
     int windowId() const;
     TikzView *tikzView() const;
     TikzScene *tikzScene() const;
+    TikzDocument *tikzDocument() const;
 
 protected:
     void closeEvent(QCloseEvent *event);
diff --git a/tikzit/src/gui/undocommands.cpp b/tikzit/src/gui/undocommands.cpp
index 6d48fc4..b8a045b 100644
--- a/tikzit/src/gui/undocommands.cpp
+++ b/tikzit/src/gui/undocommands.cpp
@@ -15,15 +15,29 @@ MoveCommand::MoveCommand(TikzScene *scene,
 void MoveCommand::undo()
 {
     foreach (NodeItem *ni, _scene->nodeItems()) {
-        if (_oldNodePositions.contains(ni->node()))
+        if (_oldNodePositions.contains(ni->node())) {
             ni->node()->setPoint(_oldNodePositions.value(ni->node()));
+            ni->readPos();
+        }
+    }
+
+    foreach (EdgeItem *ei, _scene->edgeItems()) {
+        ei->edge()->updateControls();
+        ei->syncPos();
     }
 }
 
 void MoveCommand::redo()
 {
     foreach (NodeItem *ni, _scene->nodeItems()) {
-        if (_newNodePositions.contains(ni->node()))
+        if (_newNodePositions.contains(ni->node())) {
             ni->node()->setPoint(_newNodePositions.value(ni->node()));
+            ni->readPos();
+        }
+    }
+
+    foreach (EdgeItem *ei, _scene->edgeItems()) {
+        ei->edge()->updateControls();
+        ei->syncPos();
     }
 }
-- 
cgit v1.2.3