[CHANGE] - warning for mesa cards on startup. User can check the...

[CHANGE] - warning for mesa cards on startup. User can check the do-not-show-again-checkbox to avoid this message every startup

src/qt4gui/qt4/WMainWindow.cpp

@@ -49,10 +49,13 @@
     #include <QtWebKit/QWebView>
 #endif
 
+#include "../icons/WIcons.xpm"
+#include "controlPanel/WPropertyBoolWidget.h"
+#include "controlPanel/WQtControlPanel.h"
 #include "core/common/WColor.h"
 #include "core/common/WIOTools.h"
-#include "core/common/WProjectFileIO.h"
 #include "core/common/WPathHelper.h"
+#include "core/common/WProjectFileIO.h"
 #include "core/dataHandler/WDataSetFibers.h"
 #include "core/dataHandler/WDataSetSingle.h"
 #include "core/dataHandler/WEEG2.h"
@@ -66,22 +69,20 @@
 #include "core/kernel/WProjectFile.h"
 #include "core/kernel/WROIManager.h"
 #include "core/kernel/WSelectionManager.h"
-#include "../icons/WIcons.xpm"
-#include "controlPanel/WPropertyBoolWidget.h"
-#include "controlPanel/WQtControlPanel.h"
 #include "events/WEventTypes.h"
 #include "events/WModuleCrashEvent.h"
 #include "events/WModuleReadyEvent.h"
 #include "events/WModuleRemovedEvent.h"
 #include "events/WOpenCustomDockWidgetEvent.h"
 #include "guiElements/WQtPropertyBoolAction.h"
+#include "WQt4Gui.h"
 #include "WQtCombinerToolbar.h"
 #include "WQtCustomDockWidget.h"
-#include "WQtNavGLWidget.h"
 #include "WQtGLDockWidget.h"
-#include "WQt4Gui.h"
+#include "WQtNavGLWidget.h"
 #include "WSettingAction.h"
 #include "WSettingMenu.h"
+#include "WQtMessageDialog.h"
 
 #include "WMainWindow.h"
 #include "WMainWindow.moc"
@@ -1009,7 +1010,20 @@ void WMainWindow::handleLogLevelUpdate( unsigned int logLevel )
 void WMainWindow::handleGLVendor()
 {
     // WARNING: never put blocking code here, as it might freeze the mainGLWidget.
-    std::string vendor = m_mainGLWidget->getViewer()->getOpenGLVendor();
+    std::string vendor = string_utils::toLower( m_mainGLWidget->getViewer()->getOpenGLVendor() );
 
-    // TODO(ebaum): warning
+    // is this a mesa card?
+    if( vendor.find( "mesa" ) != std::string::npos )
+    {
+        QString msg = "<b>Warning:</b> Your graphics card is powered by the Mesa OpenGL implementation. OpenWalnut does not support Mesa "
+                      "officially, since Mesa has some severe problems with GLSL shaders. You can still use OpenWalnut, but you should be "
+                      "aware that Mesa can freeze OpenWalnut. Ensure you have the latest version of Mesa installed to avoid problems.";
+        QLabel* l = new QLabel( msg );
+        l->setWordWrap( true );
+        l->setGeometry( 0, 0, 400, 200 );
+        l->setMinimumWidth( 400 );
+
+        WQtMessageDialog* msgDia = new WQtMessageDialog( "MesaWarning", "Mesa Warning", l, getSettings(), this );
+        msgDia->show();
+    }
 }

src/qt4gui/qt4/WQtMessageDialog.cpp

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
+// For more information see http://www.openwalnut.org/copying
+//
+// This file is part of OpenWalnut.
+//
+// OpenWalnut is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// OpenWalnut is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
+//
+//---------------------------------------------------------------------------
+
+#include <iostream>
+
+#include <QtGui/QHBoxLayout>
+#include <QtGui/QVBoxLayout>
+
+#include "WMainWindow.h"
+
+#include "WQtMessageDialog.h"
+#include "WQtMessageDialog.moc"
+
+WQtMessageDialog::WQtMessageDialog( QString msgID, QString title, QWidget* content, QSettings& settings, QWidget* parent ): // NOLINT - yes use a non-const ref
+    QDialog( parent ),
+    m_content( content ),
+    m_msgID( msgID ),
+    m_settings( settings )
+{
+    setWindowTitle( title );
+    setModal( false );
+
+    // setup contents
+    QVBoxLayout* mainLayout = new QVBoxLayout();
+
+    // text widget
+    mainLayout->addWidget( m_content );
+
+    // dialog buttons and checkbox to bottom layout
+    QHBoxLayout* bottomLayout = new QHBoxLayout();
+    QWidget* bottomWidget = new QWidget( this );
+    bottomWidget->setLayout( bottomLayout );
+    mainLayout->addWidget( bottomWidget );
+    this->setLayout( mainLayout );
+
+    m_checkBox = new QCheckBox( bottomWidget );
+    m_checkBox->setText( "Do not show again" );
+    m_buttonBox = new QDialogButtonBox( bottomWidget );
+    m_buttonBox->setOrientation( Qt::Horizontal );
+    m_buttonBox->setStandardButtons( QDialogButtonBox::Ok );
+    bottomLayout->addWidget( m_checkBox );
+    bottomLayout->addWidget( m_buttonBox );
+
+    // connect dialog box to close event
+    QObject::connect( m_buttonBox, SIGNAL( accepted() ), this, SLOT( accept() ) );
+    QObject::connect( m_buttonBox, SIGNAL( rejected() ), this, SLOT( reject() ) );
+}
+
+WQtMessageDialog::~WQtMessageDialog()
+{
+    // cleanup
+}
+
+void WQtMessageDialog::show()
+{
+    // check if message is allowed
+    bool show = m_settings.value( m_msgID + "_showAgain", true ).toBool();
+    m_checkBox->setCheckState( show ? Qt::Unchecked : Qt::Checked );
+
+    // only show if wanted by user
+    if( !show )
+    {
+        return;
+    }
+
+    QDialog::show();
+}
+
+void WQtMessageDialog::reject()
+{
+    QDialog::reject();
+}
+
+void WQtMessageDialog::accept()
+{
+    handleClose();
+    QDialog::accept();
+}
+
+void WQtMessageDialog::handleClose()
+{
+    m_settings.setValue( m_msgID + "_showAgain", m_checkBox->checkState() == Qt::Unchecked );
+}
+

src/qt4gui/qt4/WQtMessageDialog.h

+//---------------------------------------------------------------------------
+//
+// Project: OpenWalnut ( http://www.openwalnut.org )
+//
+// Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
+// For more information see http://www.openwalnut.org/copying
+//
+// This file is part of OpenWalnut.
+//
+// OpenWalnut is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// OpenWalnut is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
+//
+//---------------------------------------------------------------------------
+
+#ifndef WQTMESSAGEDIALOG_H
+#define WQTMESSAGEDIALOG_H
+
+#include <QtGui/QDialog>
+#include <QtGui/QTextEdit>
+#include <QtGui/QLabel>
+#include <QtGui/QDialogButtonBox>
+#include <QtGui/QCheckBox>
+#include <QtCore/QSettings>
+
+/**
+ * General purpose message dialog, able to show arbitrary content. It additionally allows the user to decide whether he wants to see this again
+ * or not.
+ */
+class WQtMessageDialog: public QDialog
+{
+    Q_OBJECT
+public:
+    /**
+     * Construct a message dialog.
+     *
+     * \param msgID the id used to check whether to show the message or not.
+     * \param title the title of the dialog
+     * \param content the widget representing the content
+     * \param settings the object storing the info about disabled messages
+     * \param parent parent window
+     */
+    WQtMessageDialog( QString msgID, QString title, QWidget* content, QSettings& settings, QWidget* parent ); // NOLINT - yes use a non-const ref
+
+    /**
+     * Destructor.
+     */
+    virtual ~WQtMessageDialog();
+
+    /**
+     * Shows the dialog if the user does not disabled it.
+     */
+    virtual void show();
+
+protected:
+
+private slots:
+
+    /**
+     * Dialog closed
+     */
+    virtual void reject();
+
+    /**
+     * Dialog closed
+     */
+    virtual void accept();
+
+private:
+    /**
+     * Dialog buttons.
+     */
+    QDialogButtonBox* m_buttonBox;
+
+    /**
+     * Do not show again - Checkbox
+     */
+    QCheckBox* m_checkBox;
+
+    /**
+     * The widget showing the content
+     */
+    QWidget* m_content;
+
+    /**
+     * The message ID
+     */
+    QString m_msgID;
+
+    /**
+     * Settings object of the main window
+     */
+    QSettings& m_settings;
+
+    /**
+     * Handles close and saves setting
+     */
+    void handleClose();
+};
+
+#endif  // WQTMESSAGEDIALOG_H
+