FIX used size overflow when multiplied.

src/gui/createvolumedialog.cpp

@@ -52,10 +52,6 @@ void CreateVolumeDialog::setupDialog()
     dialogWidget().listPV().addPartitionList(FS::lvm2_pv::getFreePV(), false);
 }
 
-void CreateVolumeDialog::setupConstraints()
-{
-}
-
 void CreateVolumeDialog::setupConnections()
 {
     connect(&dialogWidget().vgName(), &QLineEdit::textChanged, this, &CreateVolumeDialog::onVGNameChanged);

src/gui/createvolumedialog.h

@@ -31,7 +31,6 @@ public:
 protected:
     void accept() override;
     void setupDialog() override;
-    void setupConstraints() override;
     void setupConnections() override;
 
 protected:

src/gui/listphysicalvolumes.h

@@ -39,7 +39,6 @@ public:
 
     QStringList checkedItems();
 
-protected:
     QListWidget& listPhysicalVolumes() {
         Q_ASSERT(m_ListPhysicalVolumes);
         return *m_ListPhysicalVolumes;

src/gui/resizevolumedialog.cpp

@@ -62,6 +62,7 @@ void ResizeVolumeDialog::setupConstraints()
     dialogWidget().vgName().setEnabled(false);
     dialogWidget().spinPESize().setEnabled(false);
     dialogWidget().volumeType().setEnabled(false);
+    VolumeDialog::setupConstraints();
 }
 
 void ResizeVolumeDialog::accept()

src/gui/volumedialog.cpp

@@ -32,6 +32,7 @@
 
 #include <QPointer>
 #include <QPushButton>
+#include <QListWidgetItem>
 #include <QDialogButtonBox>
 
 /** Creates a new VolumeDialog
@@ -88,6 +89,10 @@ void VolumeDialog::setupConnections()
     connect(dialogButtonBox, &QDialogButtonBox::accepted, this, &VolumeDialog::accept);
     connect(dialogButtonBox, &QDialogButtonBox::rejected, this, &VolumeDialog::reject);
     connect(&dialogWidget().volumeType(), static_cast<void(QComboBox::*)(int)>(&QComboBox::currentIndexChanged), this, &VolumeDialog::onVolumeTypeChanged);
+    connect(&dialogWidget().listPV().listPhysicalVolumes(), &QListWidget::itemChanged,
+            this, [=] ( QListWidgetItem*) {
+                updateSizeInfos();
+            });
 }
 
 void VolumeDialog::setupConstraints()
@@ -130,13 +135,19 @@ void VolumeDialog::updateSizeInfos()
     if (!checkedPartitions.isEmpty()) {
         totalSize = FS::lvm2_pv::getPVSize(checkedPartitions);
         if (peSize > 0) {
-            totalUsedSize = FS::lvm2_pv::getAllocatedPE(checkedPartitions) * peSize;
             totalSectors = totalSize / peSize;
         }
     }
 
-    if (!dialogWidget().vgName().text().isEmpty()) {
-        QStringList lvlist = LvmDevice::getLVs(dialogWidget().vgName().text());
+    QString vgname = dialogWidget().vgName().text();
+    if (!vgname.isEmpty()) {
+
+        // allocated PE and PE size value  are both 32 bit. will overflow if stringed together.
+        totalUsedSize = LvmDevice::getAllocatedPE(vgname);
+        totalUsedSize *= LvmDevice::getPeSize(vgname);
+
+
+        QStringList lvlist = LvmDevice::getLVs(vgname);
         if (!lvlist.isEmpty() ) {
             totalLV = lvlist.count();
         }
@@ -159,5 +170,6 @@ void VolumeDialog::onPartitionListChanged()
 
 void VolumeDialog::onVolumeTypeChanged(int index)
 {
+    Q_UNUSED(index)
     updatePartitionList();
 }