Undo/redo reimplemented

1 files changed, 10 insertions, 18 deletions

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
@@ -52,15 +52,13 @@ DrawPad::DrawPad(QWidget* parent, const char* name)
     : QMainWindow(parent, name)
 {
     // init members
 
     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);
 
     // init menu
 
     setToolBarsMovable(false);
@@ -539,33 +537,27 @@ void DrawPad::changeBrushColor(const QColor& color)
     painter.fillRect(QRect(0, 12, 14, 2), m_brush.color());
     painter.end();
  
     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()
 {
     QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"),
                            QMessageBox::Information, QMessageBox::Yes,