From f568737c20bea96fb79d85681a72e142ec05d66f Mon Sep 17 00:00:00 2001
From: leseb <leseb>
Date: Wed, 10 Jul 2002 21:59:27 +0000
Subject: Undo/redo reimplemented

---
(limited to 'noncore/graphics/drawpad/drawpad.cpp')

diff --git a/noncore/graphics/drawpad/drawpad.cpp b/noncore/graphics/drawpad/drawpad.cpp
index 4eb47a5..b0a414e 100644
--- a/noncore/graphics/drawpad/drawpad.cpp
+++ b/noncore/graphics/drawpad/drawpad.cpp
@@ -55,9 +55,7 @@ DrawPad::DrawPad(QWidget* parent, const char* name)
 
     m_pDrawPadCanvas = new DrawPadCanvas(this, this);
 
-    connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateNavigationToolButtons()));
-    connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateCaption()));
-    connect(m_pDrawPadCanvas, SIGNAL(pageBackupsChanged()), this, SLOT(updateUndoRedoToolButtons()));
+    connect(m_pDrawPadCanvas, SIGNAL(pagesChanged()), this, SLOT(updateView()));
 
     setCentralWidget(m_pDrawPadCanvas);
 
@@ -542,27 +540,21 @@ void DrawPad::changeBrushColor(const QColor& color)
     m_pBrushColorToolButton->popup()->hide();
 }
 
-void DrawPad::updateUndoRedoToolButtons()
-{
-    m_pUndoAction->setEnabled(m_pDrawPadCanvas->undoEnabled());
-    m_pRedoAction->setEnabled(m_pDrawPadCanvas->redoEnabled());
-}
-
-void DrawPad::updateNavigationToolButtons()
-{
-    m_pFirstPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
-    m_pPreviousPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
-    m_pNextPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
-    m_pLastPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
-}
-
-void DrawPad::updateCaption()
+void DrawPad::updateView()
 {
     uint pagePosition = m_pDrawPadCanvas->pagePosition();
     uint pageCount = m_pDrawPadCanvas->pageCount();
 
     setCaption(tr("DrawPad") + " - " + tr("Page") + " "
                + QString::number(pagePosition) + "/" + QString::number(pageCount));
+
+    m_pUndoAction->setEnabled(m_pDrawPadCanvas->currentPage()->undoEnabled());
+    m_pRedoAction->setEnabled(m_pDrawPadCanvas->currentPage()->redoEnabled());
+
+    m_pFirstPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
+    m_pPreviousPageAction->setEnabled(m_pDrawPadCanvas->goPreviousPageEnabled());
+    m_pNextPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
+    m_pLastPageAction->setEnabled(m_pDrawPadCanvas->goNextPageEnabled());
 }
 
 void DrawPad::deleteAll()
--
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