Extract densities from database if found.

trimsp/src/TrimSPGUI/Chem.pm

@@ -637,7 +637,7 @@ sub Stopicru {
 sub Densities {
 # Database of densities for different compounds
     my ($Compound) = @_;
-    
+
     my %Densities = (
 		     "NbN",8.47,
 		     "Bi2Se3",7.51,

trimsp/src/TrimSPGUI/TrimSPGUI.pl

@@ -1,6 +1,6 @@
 # Form implementation generated from reading ui file 'TrimSPGUI.ui'
 #
-# Created: Tue Feb 5 15:53:55 2013
+# Created: Tue Mar 12 10:01:24 2013
 #      by: The PerlQt User Interface Compiler (puic)
 #
 # WARNING! All changes made in this file will be lost!
@@ -30,7 +30,8 @@ use Qt::slots
     SaveFile => [],
     SaveFileAs => [],
     GUIPath => [],
-    TrimBin => [];
+    TrimBin => [],
+    findDensity => [];
 use Qt::attributes qw(
     Progress
     tabs
@@ -42,13 +43,13 @@ use Qt::attributes qw(
     textLabel3
     textLabel4
     BoxL1
-    L1Comp
     L1rho
     L1d
+    L1Comp
     BoxL2
-    L2Comp
     L2rho
     L2d
+    L2Comp
     BoxL3
     L3Comp
     L3rho
@@ -1362,29 +1363,29 @@ sub NEW
     BoxL1 = Qt::GroupBox($LayoutWidget, "BoxL1");
     BoxL1->setMargin( int(0) );
 
-    L1Comp = Qt::LineEdit(BoxL1, "L1Comp");
-    L1Comp->setGeometry( Qt::Rect(10, 20, 180, 25) );
-
     L1rho = Qt::LineEdit(BoxL1, "L1rho");
     L1rho->setGeometry( Qt::Rect(200, 20, 111, 25) );
 
     L1d = Qt::LineEdit(BoxL1, "L1d");
     L1d->setGeometry( Qt::Rect(320, 20, 85, 25) );
     L1d->setSizePolicy( Qt::SizePolicy(0, 0, 0, 0, L1d->sizePolicy()->hasHeightForWidth()) );
+
+    L1Comp = Qt::LineEdit(BoxL1, "L1Comp");
+    L1Comp->setGeometry( Qt::Rect(10, 20, 180, 25) );
     $layout27->addWidget(BoxL1);
 
     BoxL2 = Qt::GroupBox($LayoutWidget, "BoxL2");
     BoxL2->setEnabled( 0 );
 
-    L2Comp = Qt::LineEdit(BoxL2, "L2Comp");
-    L2Comp->setGeometry( Qt::Rect(10, 20, 180, 25) );
-
     L2rho = Qt::LineEdit(BoxL2, "L2rho");
     L2rho->setGeometry( Qt::Rect(200, 20, 111, 25) );
 
     L2d = Qt::LineEdit(BoxL2, "L2d");
     L2d->setGeometry( Qt::Rect(320, 20, 85, 25) );
     L2d->setSizePolicy( Qt::SizePolicy(0, 0, 0, 0, L2d->sizePolicy()->hasHeightForWidth()) );
+
+    L2Comp = Qt::LineEdit(BoxL2, "L2Comp");
+    L2Comp->setGeometry( Qt::Rect(10, 20, 180, 25) );
     $layout27->addWidget(BoxL2);
 
     BoxL3 = Qt::GroupBox($LayoutWidget, "BoxL3");
@@ -1896,32 +1897,39 @@ sub NEW
     resize( $resize );
     clearWState( &Qt::WState_Polished );
 
-    Qt::Object::connect(fileChangeDirAction, SIGNAL "activated()", this, SLOT "DirectoryBrowse()");
+    Qt::Object::connect(L1Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
-    Qt::Object::connect(fileQuitAction, SIGNAL "activated()", this, SLOT "ConfirmQuit()");
-    Qt::Object::connect(helpContentsAction, SIGNAL "activated()", this, SLOT "OpenHelpWindow()");
-    Qt::Object::connect(ScanSeq, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(Start, SIGNAL "clicked()", this, SLOT "StartSequenceOne()");
-    Qt::Object::connect(ERadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(SigERadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(NProjRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(ScandL, SIGNAL "valueChanged(int)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(dRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(NL, SIGNAL "valueChanged(int)", this, SLOT "PrepLayers()");
-    Qt::Object::connect(ProjType, SIGNAL "activated(int)", this, SLOT "ProjSmartDefaults()");
-    Qt::Object::connect(Browse, SIGNAL "clicked()", this, SLOT "DirectoryBrowse()");
-    Qt::Object::connect(Quit, SIGNAL "clicked()", this, SLOT "ConfirmQuit()");
-    Qt::Object::connect(ListRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(fileStartAction, SIGNAL "activated()", this, SLOT "StartSequenceOne()");
-    Qt::Object::connect(plotProfilesAction, SIGNAL "activated()", this, SLOT "PlotProfiles()");
-    Qt::Object::connect(helpAboutAction, SIGNAL "activated()", this, SLOT "OpenAboutWindow()");
-    Qt::Object::connect(fileOpenAction, SIGNAL "activated()", this, SLOT "OpenFile()");
-    Qt::Object::connect(fileSaveAction, SIGNAL "activated()", this, SLOT "SaveFile()");
-    Qt::Object::connect(fileSaveAsAction, SIGNAL "activated()", this, SLOT "SaveFileAs()");
-    Qt::Object::connect(AngleRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(SigAngleRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
-    Qt::Object::connect(plotFractionsAction, SIGNAL "activated()", this, SLOT "PlotFraction()");
-    Qt::Object::connect(GUIPathBrowse, SIGNAL "clicked()", this, SLOT "GUIPath()");
     Qt::Object::connect(TrimBinBrowse, SIGNAL "clicked()", this, SLOT "TrimBin()");
+    Qt::Object::connect(GUIPathBrowse, SIGNAL "clicked()", this, SLOT "GUIPath()");
+    Qt::Object::connect(plotFractionsAction, SIGNAL "activated()", this, SLOT "PlotFraction()");
+    Qt::Object::connect(SigAngleRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(AngleRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(fileSaveAsAction, SIGNAL "activated()", this, SLOT "SaveFileAs()");
+    Qt::Object::connect(fileSaveAction, SIGNAL "activated()", this, SLOT "SaveFile()");
+    Qt::Object::connect(fileOpenAction, SIGNAL "activated()", this, SLOT "OpenFile()");
+    Qt::Object::connect(helpAboutAction, SIGNAL "activated()", this, SLOT "OpenAboutWindow()");
+    Qt::Object::connect(plotProfilesAction, SIGNAL "activated()", this, SLOT "PlotProfiles()");
+    Qt::Object::connect(fileStartAction, SIGNAL "activated()", this, SLOT "StartSequenceOne()");
+    Qt::Object::connect(ListRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(Quit, SIGNAL "clicked()", this, SLOT "ConfirmQuit()");
+    Qt::Object::connect(Browse, SIGNAL "clicked()", this, SLOT "DirectoryBrowse()");
+    Qt::Object::connect(ProjType, SIGNAL "activated(int)", this, SLOT "ProjSmartDefaults()");
+    Qt::Object::connect(NL, SIGNAL "valueChanged(int)", this, SLOT "PrepLayers()");
+    Qt::Object::connect(dRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(ScandL, SIGNAL "valueChanged(int)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(NProjRadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(SigERadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(ERadio, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(Start, SIGNAL "clicked()", this, SLOT "StartSequenceOne()");
+    Qt::Object::connect(ScanSeq, SIGNAL "toggled(bool)", this, SLOT "ToggleScanSingle()");
+    Qt::Object::connect(helpContentsAction, SIGNAL "activated()", this, SLOT "OpenHelpWindow()");
+    Qt::Object::connect(fileQuitAction, SIGNAL "activated()", this, SLOT "ConfirmQuit()");
+    Qt::Object::connect(fileChangeDirAction, SIGNAL "activated()", this, SLOT "DirectoryBrowse()");
+    Qt::Object::connect(L2Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
+    Qt::Object::connect(L3Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
+    Qt::Object::connect(L4Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
+    Qt::Object::connect(L5Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
+    Qt::Object::connect(L6Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
+    Qt::Object::connect(L7Comp, SIGNAL "textChanged(const QString&)", this, SLOT "findDensity()");
 
     setTabOrder(tabs, NL);
     setTabOrder(NL, L1Comp);
@@ -1998,13 +2006,13 @@ sub languageChange
     textLabel3->setText( trUtf8("Density [g/cm<sup>3</sup>]") );
     textLabel4->setText( trUtf8("Thickness [Å]") );
     BoxL1->setTitle( trUtf8("Layer 1") );
-    L1Comp->setText( trUtf8("SrTiO3") );
-    Qt::ToolTip::add(L1Comp, trUtf8("Chemical formula of L1"));
-    Qt::WhatsThis::add(L1Comp, trUtf8("Insert the chemical formula here as you would write it."));
     L1rho->setText( trUtf8("5.12") );
     Qt::WhatsThis::add(L1rho, trUtf8("Insert the density of the layer here."));
     L1d->setText( trUtf8("200") );
     Qt::WhatsThis::add(L1d, trUtf8("Insert the thickness of the layer here."));
+    L1Comp->setText( trUtf8("SrTiO3") );
+    Qt::ToolTip::add(L1Comp, trUtf8("Chemical formula of L1"));
+    Qt::WhatsThis::add(L1Comp, trUtf8("Insert the chemical formula here as you would write it."));
     BoxL2->setTitle( trUtf8("Layer 2") );
     BoxL3->setTitle( trUtf8("Layer 3") );
     BoxL4->setTitle( trUtf8("Layer 4") );
@@ -3157,6 +3165,26 @@ sub TrimBin
 
 }
 
+sub findDensity
+{
+
+    use Chem;
+# Get sender name to know which layer    
+    my $sender = sender()->name();
+# Generate the name of the density field    
+    my $rhoSender = substr($sender,0,2)."rho";
+# Get the compound formula    
+    my $Compound = sender() -> text();
+# See if you have the density    
+    my $Density=Chem::Densities($Compound);
+    if ($Density ne "") {
+# If the density is in the database submit it	
+	my $rho = child($rhoSender);
+	$rho -> setText($Density);
+   }
+
+}
+
 1;
 
 

trimsp/src/TrimSPGUI/TrimSPGUI.ui

@@ -222,28 +222,6 @@
                             <property name="title">
                                 <string>Layer 1</string>
                             </property>
-                            <widget class="QLineEdit">
-                                <property name="name">
-                                    <cstring>L1Comp</cstring>
-                                </property>
-                                <property name="geometry">
-                                    <rect>
-                                        <x>10</x>
-                                        <y>20</y>
-                                        <width>180</width>
-                                        <height>25</height>
-                                    </rect>
-                                </property>
-                                <property name="text">
-                                    <string>SrTiO3</string>
-                                </property>
-                                <property name="toolTip" stdset="0">
-                                    <string>Chemical formula of L1</string>
-                                </property>
-                                <property name="whatsThis" stdset="0">
-                                    <string>Insert the chemical formula here as you would write it.</string>
-                                </property>
-                            </widget>
                             <widget class="QLineEdit">
                                 <property name="name">
                                     <cstring>L1rho</cstring>
@@ -290,6 +268,28 @@
                                     <string>Insert the thickness of the layer here.</string>
                                 </property>
                             </widget>
+                            <widget class="QLineEdit">
+                                <property name="name">
+                                    <cstring>L1Comp</cstring>
+                                </property>
+                                <property name="geometry">
+                                    <rect>
+                                        <x>10</x>
+                                        <y>20</y>
+                                        <width>180</width>
+                                        <height>25</height>
+                                    </rect>
+                                </property>
+                                <property name="text">
+                                    <string>SrTiO3</string>
+                                </property>
+                                <property name="toolTip" stdset="0">
+                                    <string>Chemical formula of L1</string>
+                                </property>
+                                <property name="whatsThis" stdset="0">
+                                    <string>Insert the chemical formula here as you would write it.</string>
+                                </property>
+                            </widget>
                         </widget>
                         <widget class="QGroupBox">
                             <property name="name">
@@ -301,19 +301,6 @@
                             <property name="title">
                                 <string>Layer 2</string>
                             </property>
-                            <widget class="QLineEdit">
-                                <property name="name">
-                                    <cstring>L2Comp</cstring>
-                                </property>
-                                <property name="geometry">
-                                    <rect>
-                                        <x>10</x>
-                                        <y>20</y>
-                                        <width>180</width>
-                                        <height>25</height>
-                                    </rect>
-                                </property>
-                            </widget>
                             <widget class="QLineEdit">
                                 <property name="name">
                                     <cstring>L2rho</cstring>
@@ -348,6 +335,19 @@
                                     </sizepolicy>
                                 </property>
                             </widget>
+                            <widget class="QLineEdit">
+                                <property name="name">
+                                    <cstring>L2Comp</cstring>
+                                </property>
+                                <property name="geometry">
+                                    <rect>
+                                        <x>10</x>
+                                        <y>20</y>
+                                        <width>180</width>
+                                        <height>25</height>
+                                    </rect>
+                                </property>
+                            </widget>
                         </widget>
                         <widget class="QGroupBox">
                             <property name="name">
@@ -2662,49 +2662,109 @@
 </images>
 <connections>
     <connection>
-        <sender>fileChangeDirAction</sender>
+        <sender>L1Comp</sender>
-        <signal>activated()</signal>
+        <signal>textChanged(const QString&amp;)</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>DirectoryBrowse()</slot>
+        <slot>findDensity()</slot>
     </connection>
     <connection>
-        <sender>fileQuitAction</sender>
+        <sender>TrimBinBrowse</sender>
-        <signal>activated()</signal>
+        <signal>clicked()</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>ConfirmQuit()</slot>
+        <slot>TrimBin()</slot>
     </connection>
     <connection>
-        <sender>helpContentsAction</sender>
+        <sender>GUIPathBrowse</sender>
-        <signal>activated()</signal>
+        <signal>clicked()</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>OpenHelpWindow()</slot>
+        <slot>GUIPath()</slot>
     </connection>
     <connection>
-        <sender>ScanSeq</sender>
+        <sender>plotFractionsAction</sender>
+        <signal>activated()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>PlotFraction()</slot>
+    </connection>
+    <connection>
+        <sender>SigAngleRadio</sender>
         <signal>toggled(bool)</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>ToggleScanSingle()</slot>
     </connection>
     <connection>
-        <sender>Start</sender>
+        <sender>AngleRadio</sender>
-        <signal>clicked()</signal>
+        <signal>toggled(bool)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>ToggleScanSingle()</slot>
+    </connection>
+    <connection>
+        <sender>fileSaveAsAction</sender>
+        <signal>activated()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>SaveFileAs()</slot>
+    </connection>
+    <connection>
+        <sender>fileSaveAction</sender>
+        <signal>activated()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>SaveFile()</slot>
+    </connection>
+    <connection>
+        <sender>fileOpenAction</sender>
+        <signal>activated()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>OpenFile()</slot>
+    </connection>
+    <connection>
+        <sender>helpAboutAction</sender>
+        <signal>activated()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>OpenAboutWindow()</slot>
+    </connection>
+    <connection>
+        <sender>plotProfilesAction</sender>
+        <signal>activated()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>PlotProfiles()</slot>
+    </connection>
+    <connection>
+        <sender>fileStartAction</sender>
+        <signal>activated()</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>StartSequenceOne()</slot>
     </connection>
     <connection>
-        <sender>ERadio</sender>
+        <sender>ListRadio</sender>
         <signal>toggled(bool)</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>ToggleScanSingle()</slot>
     </connection>
     <connection>
-        <sender>SigERadio</sender>
+        <sender>Quit</sender>
-        <signal>toggled(bool)</signal>
+        <signal>clicked()</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>ToggleScanSingle()</slot>
+        <slot>ConfirmQuit()</slot>
     </connection>
     <connection>
-        <sender>NProjRadio</sender>
+        <sender>Browse</sender>
+        <signal>clicked()</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>DirectoryBrowse()</slot>
+    </connection>
+    <connection>
+        <sender>ProjType</sender>
+        <signal>activated(int)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>ProjSmartDefaults()</slot>
+    </connection>
+    <connection>
+        <sender>NL</sender>
+        <signal>valueChanged(int)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>PrepLayers()</slot>
+    </connection>
+    <connection>
+        <sender>dRadio</sender>
         <signal>toggled(bool)</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>ToggleScanSingle()</slot>
@@ -2716,106 +2776,88 @@
         <slot>ToggleScanSingle()</slot>
     </connection>
     <connection>
-        <sender>dRadio</sender>
+        <sender>NProjRadio</sender>
         <signal>toggled(bool)</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>ToggleScanSingle()</slot>
     </connection>
     <connection>
-        <sender>NL</sender>
+        <sender>SigERadio</sender>
-        <signal>valueChanged(int)</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>PrepLayers()</slot>
-    </connection>
-    <connection>
-        <sender>ProjType</sender>
-        <signal>activated(int)</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>ProjSmartDefaults()</slot>
-    </connection>
-    <connection>
-        <sender>Browse</sender>
-        <signal>clicked()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>DirectoryBrowse()</slot>
-    </connection>
-    <connection>
-        <sender>Quit</sender>
-        <signal>clicked()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>ConfirmQuit()</slot>
-    </connection>
-    <connection>
-        <sender>ListRadio</sender>
         <signal>toggled(bool)</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>ToggleScanSingle()</slot>
     </connection>
     <connection>
-        <sender>fileStartAction</sender>
+        <sender>ERadio</sender>
-        <signal>activated()</signal>
+        <signal>toggled(bool)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>ToggleScanSingle()</slot>
+    </connection>
+    <connection>
+        <sender>Start</sender>
+        <signal>clicked()</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>StartSequenceOne()</slot>
     </connection>
     <connection>
-        <sender>plotProfilesAction</sender>
+        <sender>ScanSeq</sender>
-        <signal>activated()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>PlotProfiles()</slot>
-    </connection>
-    <connection>
-        <sender>helpAboutAction</sender>
-        <signal>activated()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>OpenAboutWindow()</slot>
-    </connection>
-    <connection>
-        <sender>fileOpenAction</sender>
-        <signal>activated()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>OpenFile()</slot>
-    </connection>
-    <connection>
-        <sender>fileSaveAction</sender>
-        <signal>activated()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>SaveFile()</slot>
-    </connection>
-    <connection>
-        <sender>fileSaveAsAction</sender>
-        <signal>activated()</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>SaveFileAs()</slot>
-    </connection>
-    <connection>
-        <sender>AngleRadio</sender>
         <signal>toggled(bool)</signal>
         <receiver>TrimSPGUI</receiver>
         <slot>ToggleScanSingle()</slot>
     </connection>
     <connection>
-        <sender>SigAngleRadio</sender>
+        <sender>helpContentsAction</sender>
-        <signal>toggled(bool)</signal>
-        <receiver>TrimSPGUI</receiver>
-        <slot>ToggleScanSingle()</slot>
-    </connection>
-    <connection>
-        <sender>plotFractionsAction</sender>
         <signal>activated()</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>PlotFraction()</slot>
+        <slot>OpenHelpWindow()</slot>
     </connection>
     <connection>
-        <sender>GUIPathBrowse</sender>
+        <sender>fileQuitAction</sender>
-        <signal>clicked()</signal>
+        <signal>activated()</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>GUIPath()</slot>
+        <slot>ConfirmQuit()</slot>
     </connection>
     <connection>
-        <sender>TrimBinBrowse</sender>
+        <sender>fileChangeDirAction</sender>
-        <signal>clicked()</signal>
+        <signal>activated()</signal>
         <receiver>TrimSPGUI</receiver>
-        <slot>TrimBin()</slot>
+        <slot>DirectoryBrowse()</slot>
+    </connection>
+    <connection>
+        <sender>L2Comp</sender>
+        <signal>textChanged(const QString&amp;)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>findDensity()</slot>
+    </connection>
+    <connection>
+        <sender>L3Comp</sender>
+        <signal>textChanged(const QString&amp;)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>findDensity()</slot>
+    </connection>
+    <connection>
+        <sender>L4Comp</sender>
+        <signal>textChanged(const QString&amp;)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>findDensity()</slot>
+    </connection>
+    <connection>
+        <sender>L5Comp</sender>
+        <signal>textChanged(const QString&amp;)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>findDensity()</slot>
+    </connection>
+    <connection>
+        <sender>L6Comp</sender>
+        <signal>textChanged(const QString&amp;)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>findDensity()</slot>
+    </connection>
+    <connection>
+        <sender>L7Comp</sender>
+        <signal>textChanged(const QString&amp;)</signal>
+        <receiver>TrimSPGUI</receiver>
+        <slot>findDensity()</slot>
     </connection>
 </connections>
 <tabstops>
@@ -2900,6 +2942,7 @@
     <slot>SaveFileAs()</slot>
     <slot>GUIPath()</slot>
     <slot>TrimBin()</slot>
+    <slot>findDensity()</slot>
 </slots>
 <layoutdefaults spacing="6" margin="11"/>
 </UI>

trimsp/src/TrimSPGUI/TrimSPGUI.ui.h

@@ -1009,3 +1009,22 @@ void TrimSPGUI::TrimBin()
     TRIMBIN->setText($file);
     return $file;
 }
+
+
+void TrimSPGUI::findDensity()
+{
+    use Chem;
+# Get sender name to know which layer    
+    my $sender = sender()->name();
+# Generate the name of the density field    
+    my $rhoSender = substr($sender,0,2)."rho";
+# Get the compound formula    
+    my $Compound = sender() -> text();
+# See if you have the density    
+    my $Density=Chem::Densities($Compound);
+    if ($Density ne "") {
+# If the density is in the database submit it	
+	my $rho = child($rhoSender);
+	$rho -> setText($Density);
+   }
+}