From 5ffaaba3a1533cc3cabe509bd09c137aa254e30f Mon Sep 17 00:00:00 2001
From: Casey Rodarmor <casey@rodarmor.com>
Date: Thu, 27 Aug 2015 15:53:16 -0400
Subject: [PATCH] Disallow duplicate windows.

---
 src/qt/bitcoingui.cpp |  6 +++---
 src/qt/bitcoingui.h   |  2 ++
 src/qt/walletview.cpp | 21 +++++++++++++--------
 src/qt/walletview.h   |  3 +++
 4 files changed, 21 insertions(+), 11 deletions(-)

diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 1d3f7762ab..db9e558764 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -97,6 +97,7 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
     trayIconMenu(0),
     notificator(0),
     rpcConsole(0),
+    helpMessageDialog(0),
     prevBlocks(0),
     spinnerFrame(0),
     platformStyle(platformStyle)
@@ -132,6 +133,7 @@ BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *n
 #endif
 
     rpcConsole = new RPCConsole(platformStyle, 0);
+    helpMessageDialog = new HelpMessageDialog(this, false);
 #ifdef ENABLE_WALLET
     if(enableWallet)
     {
@@ -590,9 +592,7 @@ void BitcoinGUI::aboutClicked()
 
 void BitcoinGUI::showHelpMessageClicked()
 {
-    HelpMessageDialog *help = new HelpMessageDialog(this, false);
-    help->setAttribute(Qt::WA_DeleteOnClose);
-    help->show();
+    helpMessageDialog->show();
 }
 
 #ifdef ENABLE_WALLET
diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index dd0d4bb0e2..f1b7a502ba 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -28,6 +28,7 @@ class SendCoinsRecipient;
 class UnitDisplayStatusBarControl;
 class WalletFrame;
 class WalletModel;
+class HelpMessageDialog;
 
 class CWallet;
 
@@ -113,6 +114,7 @@ private:
     QMenu *trayIconMenu;
     Notificator *notificator;
     RPCConsole *rpcConsole;
+    HelpMessageDialog *helpMessageDialog;
 
     /** Keep track of previous number of blocks, to detect progress */
     int prevBlocks;
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
index fa96f62e03..77efdb5cdd 100644
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -56,6 +56,9 @@ WalletView::WalletView(const PlatformStyle *platformStyle, QWidget *parent):
     receiveCoinsPage = new ReceiveCoinsDialog(platformStyle);
     sendCoinsPage = new SendCoinsDialog(platformStyle);
 
+    usedSendingAddressesPage = new AddressBookPage(platformStyle, AddressBookPage::ForEditing, AddressBookPage::SendingTab, this);
+    usedReceivingAddressesPage = new AddressBookPage(platformStyle, AddressBookPage::ForEditing, AddressBookPage::ReceivingTab, this);
+
     addWidget(overviewPage);
     addWidget(transactionsPage);
     addWidget(receiveCoinsPage);
@@ -115,6 +118,8 @@ void WalletView::setWalletModel(WalletModel *walletModel)
     overviewPage->setWalletModel(walletModel);
     receiveCoinsPage->setModel(walletModel);
     sendCoinsPage->setModel(walletModel);
+    usedReceivingAddressesPage->setModel(walletModel->getAddressTableModel());
+    usedSendingAddressesPage->setModel(walletModel->getAddressTableModel());
 
     if (walletModel)
     {
@@ -273,20 +278,20 @@ void WalletView::usedSendingAddresses()
 {
     if(!walletModel)
         return;
-    AddressBookPage *dlg = new AddressBookPage(platformStyle, AddressBookPage::ForEditing, AddressBookPage::SendingTab, this);
-    dlg->setAttribute(Qt::WA_DeleteOnClose);
-    dlg->setModel(walletModel->getAddressTableModel());
-    dlg->show();
+
+    usedSendingAddressesPage->show();
+    usedSendingAddressesPage->raise();
+    usedSendingAddressesPage->activateWindow();
 }
 
 void WalletView::usedReceivingAddresses()
 {
     if(!walletModel)
         return;
-    AddressBookPage *dlg = new AddressBookPage(platformStyle, AddressBookPage::ForEditing, AddressBookPage::ReceivingTab, this);
-    dlg->setAttribute(Qt::WA_DeleteOnClose);
-    dlg->setModel(walletModel->getAddressTableModel());
-    dlg->show();
+
+    usedReceivingAddressesPage->show();
+    usedReceivingAddressesPage->raise();
+    usedReceivingAddressesPage->activateWindow();
 }
 
 void WalletView::showProgress(const QString &title, int nProgress)
diff --git a/src/qt/walletview.h b/src/qt/walletview.h
index f97cf1ee80..2a6a6a2df2 100644
--- a/src/qt/walletview.h
+++ b/src/qt/walletview.h
@@ -18,6 +18,7 @@ class SendCoinsDialog;
 class SendCoinsRecipient;
 class TransactionView;
 class WalletModel;
+class AddressBookPage;
 
 QT_BEGIN_NAMESPACE
 class QModelIndex;
@@ -61,6 +62,8 @@ private:
     QWidget *transactionsPage;
     ReceiveCoinsDialog *receiveCoinsPage;
     SendCoinsDialog *sendCoinsPage;
+    AddressBookPage *usedSendingAddressesPage;
+    AddressBookPage *usedReceivingAddressesPage;
 
     TransactionView *transactionView;