Mercurial > hg > octave-max

changeset 13458:16d26344c2a2

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Added semaphore to ensure that the workspace view will not get updated twice at a time.
author Jacob Dawid <jacob.dawid@googlemail.com>
date Sun, 17 Apr 2011 09:22:04 +0200
parents aa1d4754edc3
children 6b66ab238c26
files gui//src/VariablesDockWidget.cpp gui//src/VariablesDockWidget.h
diffstat 2 files changed, 5 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/gui//src/VariablesDockWidget.cpp
+++ b/gui//src/VariablesDockWidget.cpp
@@ -8,6 +8,7 @@
 }
 
 void VariablesDockWidget::construct() {
+    m_updateSemaphore = new QSemaphore(1);
     QStringList headerLabels;
     headerLabels << "Name" << "Type" << "Value";
     m_variablesTreeWidget = new QTreeWidget(this);
@@ -51,7 +52,7 @@
 }
 
 void VariablesDockWidget::setVariablesList(QList<SymbolRecord> symbolTable) {
-
+    m_updateSemaphore->acquire();
     // Split the symbol table into its different scopes.
     QList<SymbolRecord> localSymbolTable;
     QList<SymbolRecord> globalSymbolTable;
@@ -82,6 +83,7 @@
     updateScope(1, globalSymbolTable);
     updateScope(2, persistentSymbolTable);
     updateScope(3, hiddenSymbolTable);
+    m_updateSemaphore->release();
 }
 
 void VariablesDockWidget::updateScope(int topLevelItemIndex, QList<SymbolRecord> symbolTable) {
--- a/gui//src/VariablesDockWidget.h
+++ b/gui//src/VariablesDockWidget.h
@@ -3,6 +3,7 @@
 
 #include <QDockWidget>
 #include <QTreeWidget>
+#include <QSemaphore>
 #include "OctaveLink.h"
 
 class VariablesDockWidget : public QDockWidget
@@ -16,6 +17,7 @@
     void updateTreeEntry(QTreeWidgetItem *treeItem, SymbolRecord symbolRecord);
     void updateScope(int topLevelItemIndex, QList<SymbolRecord> symbolTable);
     QTreeWidget *m_variablesTreeWidget;
+    QSemaphore *m_updateSemaphore;
 };
 
 #endif // VARIABLESDOCKWIDGET_H