From f00b88ef80a27a12651de2372c5ac9169ebe2c71 Mon Sep 17 00:00:00 2001
From: Jim Evins <evins@snaught.com>
Date: Sat, 26 Oct 2013 13:57:00 -0400
Subject: [PATCH] Added private methods to enable/disable actions based on
 state.

---
 app/MainWindow.cpp | 113 +++++++++++++++++++++++++++++++++++++++++++++
 app/MainWindow.h   |   6 +++
 2 files changed, 119 insertions(+)

diff --git a/app/MainWindow.cpp b/app/MainWindow.cpp
index 90d5ccc..879c3a8 100644
--- a/app/MainWindow.cpp
+++ b/app/MainWindow.cpp
@@ -41,6 +41,9 @@ namespace gLabels
 		createMenus();
 		createToolBars();
 
+		setDocVerbsEnabled( false );
+		setPasteVerbsEnabled( false );
+
 		readSettings();
 	}
 
@@ -460,6 +463,116 @@ namespace gLabels
 	}
 
 
+	/*
+	 * Set enabled state of actions associated with a document.
+	 */
+	void MainWindow::setDocVerbsEnabled( bool enabled )
+	{
+		filePropertiesAction->setEnabled( enabled );
+		fileSaveAction->setEnabled( enabled );
+		fileSaveAsAction->setEnabled( enabled );
+		filePrintAction->setEnabled( enabled );
+		fileCloseAction->setEnabled( enabled );
+		editUndoAction->setEnabled( enabled );
+		editRedoAction->setEnabled( enabled );
+		editCutAction->setEnabled( enabled );
+		editCopyAction->setEnabled( enabled );
+		editPasteAction->setEnabled( enabled );
+		editDeleteAction->setEnabled( enabled );
+		editSelectAllAction->setEnabled( enabled );
+		editUnSelectAllAction->setEnabled( enabled );
+		viewZoomInAction->setEnabled( enabled );
+		viewZoomOutAction->setEnabled( enabled );
+		viewZoom1to1Action->setEnabled( enabled );
+		viewZoomToFitAction->setEnabled( enabled );
+		viewGridAction->setEnabled( enabled );
+		viewMarkupAction->setEnabled( enabled );
+		objectsArrowModeAction->setEnabled( enabled );
+		objectsCreateMenu->setEnabled( enabled );
+		objectsCreateTextAction->setEnabled( enabled );
+		objectsCreateLineAction->setEnabled( enabled );
+		objectsCreateBoxAction->setEnabled( enabled );
+		objectsCreateEllipseAction->setEnabled( enabled );
+		objectsCreateImageAction->setEnabled( enabled );
+		objectsCreateBarcodeAction->setEnabled( enabled );
+		objectsOrderMenu->setEnabled( enabled );
+		objectsOrderRaiseAction->setEnabled( enabled );
+		objectsOrderLowerAction->setEnabled( enabled );
+		objectsXformMenu->setEnabled( enabled );
+		objectsXformRotateLeftAction->setEnabled( enabled );
+		objectsXformRotateRightAction->setEnabled( enabled );
+		objectsXformFlipHorizAction->setEnabled( enabled );
+		objectsXformFlipVertAction->setEnabled( enabled );
+		objectsAlignMenu->setEnabled( enabled );
+		objectsAlignLeftAction->setEnabled( enabled );
+		objectsAlignRightAction->setEnabled( enabled );
+		objectsAlignHCenterAction->setEnabled( enabled );
+		objectsAlignTopAction->setEnabled( enabled );
+		objectsAlignBottomAction->setEnabled( enabled );
+		objectsAlignVCenterAction->setEnabled( enabled );
+		objectsCenterMenu->setEnabled( enabled );
+		objectsCenterHorizAction->setEnabled( enabled );
+		objectsCenterVertAction->setEnabled( enabled );
+		objectsMergePropertiesAction->setEnabled( enabled );
+	}
+
+
+	/*
+	 * Set enabled state of actions associated with a document being modified since last save.
+	 */
+	void MainWindow::setDocModifiedVerbsEnabled( bool enabled )
+	{
+		fileSaveAction->setEnabled( enabled );
+	}
+
+
+	/*
+	 * Set enabled state of actions associated with data being available on clipboard.
+	 */
+	void MainWindow::setPasteVerbsEnabled( bool enabled )
+	{
+		editPasteAction->setEnabled( enabled );
+	}
+
+
+	/*
+	 * Set enabled state of actions associated with a non-empty selection.
+	 */
+	void MainWindow::setSelectionVerbsEnabled( bool enabled )
+	{
+		editCutAction->setEnabled( enabled );
+		editCopyAction->setEnabled( enabled );
+		editDeleteAction->setEnabled( enabled );
+		editUnSelectAllAction->setEnabled( enabled );
+		objectsOrderMenu->setEnabled( enabled );
+		objectsOrderRaiseAction->setEnabled( enabled );
+		objectsOrderLowerAction->setEnabled( enabled );
+		objectsXformMenu->setEnabled( enabled );
+		objectsXformRotateLeftAction->setEnabled( enabled );
+		objectsXformRotateRightAction->setEnabled( enabled );
+		objectsXformFlipHorizAction->setEnabled( enabled );
+		objectsXformFlipVertAction->setEnabled( enabled );
+		objectsCenterMenu->setEnabled( enabled );
+		objectsCenterHorizAction->setEnabled( enabled );
+		objectsCenterVertAction->setEnabled( enabled );
+	}
+
+
+	/*
+	 * Set enabled state of actions associated with a non-atomic selection.
+	 */
+	void MainWindow::setMultiSelectionVerbsEnabled( bool enabled )
+	{
+		objectsAlignMenu->setEnabled( enabled );
+		objectsAlignLeftAction->setEnabled( enabled );
+		objectsAlignRightAction->setEnabled( enabled );
+		objectsAlignHCenterAction->setEnabled( enabled );
+		objectsAlignTopAction->setEnabled( enabled );
+		objectsAlignBottomAction->setEnabled( enabled );
+		objectsAlignVCenterAction->setEnabled( enabled );
+	}
+
+
 	void MainWindow::readSettings()
 	{
 		QSettings settings;
diff --git a/app/MainWindow.h b/app/MainWindow.h
index ed9f6e0..aead3af 100644
--- a/app/MainWindow.h
+++ b/app/MainWindow.h
@@ -108,6 +108,12 @@ namespace gLabels
 		void createMenus();
 		void createToolBars();
 
+		void setDocVerbsEnabled( bool );
+		void setDocModifiedVerbsEnabled( bool );
+		void setPasteVerbsEnabled( bool );
+		void setSelectionVerbsEnabled( bool );
+		void setMultiSelectionVerbsEnabled( bool );
+
 		void readSettings();
 		void writeSettings();