Merge pull request #6487

eec7757 qt: Introduce PlatformStyle (Wladimir J. van der Laan)

35 files changed, 457 insertions, 316 deletions

diff --git a/src/qt/addressbookpage.cpp b/src/qt/addressbookpage.cpp
index af6801919c..8bd1586446 100644
--- a/src/qt/addressbookpage.cpp
+++ b/src/qt/addressbookpage.cpp
@@ -14,14 +14,14 @@
 #include "csvmodelwriter.h"
 #include "editaddressdialog.h"
 #include "guiutil.h"
-#include "scicon.h"
+#include "platformstyle.h"
 
 #include <QIcon>
 #include <QMenu>
 #include <QMessageBox>
 #include <QSortFilterProxyModel>
 
-AddressBookPage::AddressBookPage(Mode mode, Tabs tab, QWidget *parent) :
+AddressBookPage::AddressBookPage(const PlatformStyle *platformStyle, Mode mode, Tabs tab, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::AddressBookPage),
     model(0),
@@ -30,17 +30,17 @@ AddressBookPage::AddressBookPage(Mode mode, Tabs tab, QWidget *parent) :
 {
     ui->setupUi(this);
 
-#ifdef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
-    ui->newAddress->setIcon(QIcon());
-    ui->copyAddress->setIcon(QIcon());
-    ui->deleteAddress->setIcon(QIcon());
-    ui->exportButton->setIcon(QIcon());
-#else
-    ui->newAddress->setIcon(SingleColorIcon(":/icons/add"));
-    ui->copyAddress->setIcon(SingleColorIcon(":/icons/editcopy"));
-    ui->deleteAddress->setIcon(SingleColorIcon(":/icons/remove"));
-    ui->exportButton->setIcon(SingleColorIcon(":/icons/export"));
-#endif
+    if (!platformStyle->getImagesOnButtons()) {
+        ui->newAddress->setIcon(QIcon());
+        ui->copyAddress->setIcon(QIcon());
+        ui->deleteAddress->setIcon(QIcon());
+        ui->exportButton->setIcon(QIcon());
+    } else {
+        ui->newAddress->setIcon(platformStyle->SingleColorIcon(":/icons/add"));
+        ui->copyAddress->setIcon(platformStyle->SingleColorIcon(":/icons/editcopy"));
+        ui->deleteAddress->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+        ui->exportButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));
+    }
 
     switch(mode)
     {
diff --git a/src/qt/addressbookpage.h b/src/qt/addressbookpage.h
index 09634ce336..92e6cab9ac 100644
--- a/src/qt/addressbookpage.h
+++ b/src/qt/addressbookpage.h
@@ -9,6 +9,7 @@
 
 class AddressTableModel;
 class OptionsModel;
+class PlatformStyle;
 
 namespace Ui {
     class AddressBookPage;
@@ -39,7 +40,7 @@ public:
         ForEditing  /**< Open address book for editing */
     };
 
-    explicit AddressBookPage(Mode mode, Tabs tab, QWidget *parent);
+    explicit AddressBookPage(const PlatformStyle *platformStyle, Mode mode, Tabs tab, QWidget *parent);
     ~AddressBookPage();
 
     void setModel(AddressTableModel *model);
diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index b8aec0c268..1da2d3e344 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -15,6 +15,7 @@
 #include "intro.h"
 #include "networkstyle.h"
 #include "optionsmodel.h"
+#include "platformstyle.h"
 #include "splashscreen.h"
 #include "utilitydialog.h"
 #include "winshutdownmonitor.h"
@@ -241,6 +242,7 @@ private:
     WalletModel *walletModel;
 #endif
     int returnValue;
+    const PlatformStyle *platformStyle;
 
     void startThread();
 };
@@ -310,6 +312,22 @@ BitcoinApplication::BitcoinApplication(int &argc, char **argv):
     returnValue(0)
 {
     setQuitOnLastWindowClosed(false);
+
+    // UI per-platform customization
+    // This must be done inside the BitcoinApplication constructor, or after it, because
+    // PlatformStyle::instantiate requires a QApplication
+#if defined(Q_OS_MAC)
+    std::string platformName = "macosx";
+#elif defined(Q_OS_WIN)
+    std::string platformName = "windows";
+#else
+    std::string platformName = "other";
+#endif
+    platformName = GetArg("-uiplatform", platformName);
+    platformStyle = PlatformStyle::instantiate(QString::fromStdString(platformName));
+    if (!platformStyle) // Fall back to "other" if specified name not found
+        platformStyle = PlatformStyle::instantiate("other");
+    assert(platformStyle);
 }
 
 BitcoinApplication::~BitcoinApplication()
@@ -330,6 +348,8 @@ BitcoinApplication::~BitcoinApplication()
 #endif
     delete optionsModel;
     optionsModel = 0;
+    delete platformStyle;
+    platformStyle = 0;
 }
 
 #ifdef ENABLE_WALLET
@@ -346,7 +366,7 @@ void BitcoinApplication::createOptionsModel()
 
 void BitcoinApplication::createWindow(const NetworkStyle *networkStyle)
 {
-    window = new BitcoinGUI(networkStyle, 0);
+    window = new BitcoinGUI(platformStyle, networkStyle, 0);
 
     pollShutdownTimer = new QTimer(window);
     connect(pollShutdownTimer, SIGNAL(timeout()), window, SLOT(detectShutdown()));
@@ -421,6 +441,8 @@ void BitcoinApplication::initializeResult(int retval)
     returnValue = retval ? 0 : 1;
     if(retval)
     {
+        // Log this only after AppInit2 finishes, as then logging setup is guaranteed complete
+        qWarning() << "Platform customization:" << platformStyle->getName();
 #ifdef ENABLE_WALLET
         PaymentServer::LoadRootCAs();
         paymentServer->setOptionsModel(optionsModel);
@@ -432,7 +454,7 @@ void BitcoinApplication::initializeResult(int retval)
 #ifdef ENABLE_WALLET
         if(pwalletMain)
         {
-            walletModel = new WalletModel(pwalletMain, optionsModel);
+            walletModel = new WalletModel(platformStyle, pwalletMain, optionsModel);
 
             window->addWallet(BitcoinGUI::DEFAULT_WALLET, walletModel);
             window->setCurrentWallet(BitcoinGUI::DEFAULT_WALLET);
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 396435f12b..1d3f7762ab 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -13,8 +13,8 @@
 #include "openuridialog.h"
 #include "optionsdialog.h"
 #include "optionsmodel.h"
+#include "platformstyle.h"
 #include "rpcconsole.h"
-#include "scicon.h"
 #include "utilitydialog.h"
 
 #ifdef ENABLE_WALLET
@@ -60,7 +60,7 @@
 
 const QString BitcoinGUI::DEFAULT_WALLET = "~Default";
 
-BitcoinGUI::BitcoinGUI(const NetworkStyle *networkStyle, QWidget *parent) :
+BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *networkStyle, QWidget *parent) :
     QMainWindow(parent),
     clientModel(0),
     walletFrame(0),
@@ -98,7 +98,8 @@ BitcoinGUI::BitcoinGUI(const NetworkStyle *networkStyle, QWidget *parent) :
     notificator(0),
     rpcConsole(0),
     prevBlocks(0),
-    spinnerFrame(0)
+    spinnerFrame(0),
+    platformStyle(platformStyle)
 {
     GUIUtil::restoreWindowGeometry("nWindow", QSize(850, 550), this);
 
@@ -130,12 +131,12 @@ BitcoinGUI::BitcoinGUI(const NetworkStyle *networkStyle, QWidget *parent) :
     setUnifiedTitleAndToolBarOnMac(true);
 #endif
 
-    rpcConsole = new RPCConsole(0);
+    rpcConsole = new RPCConsole(platformStyle, 0);
 #ifdef ENABLE_WALLET
     if(enableWallet)
     {
         /** Create wallet frame and make it the central widget */
-        walletFrame = new WalletFrame(this);
+        walletFrame = new WalletFrame(platformStyle, this);
         setCentralWidget(walletFrame);
     } else
 #endif // ENABLE_WALLET
@@ -175,7 +176,7 @@ BitcoinGUI::BitcoinGUI(const NetworkStyle *networkStyle, QWidget *parent) :
     QHBoxLayout *frameBlocksLayout = new QHBoxLayout(frameBlocks);
     frameBlocksLayout->setContentsMargins(3,0,3,0);
     frameBlocksLayout->setSpacing(3);
-    unitDisplayControl = new UnitDisplayStatusBarControl();
+    unitDisplayControl = new UnitDisplayStatusBarControl(platformStyle);
     labelEncryptionIcon = new QLabel();
     labelConnectionsIcon = new QLabel();
     labelBlocksIcon = new QLabel();
@@ -247,36 +248,36 @@ void BitcoinGUI::createActions()
 {
     QActionGroup *tabGroup = new QActionGroup(this);
 
-    overviewAction = new QAction(SingleColorIcon(":/icons/overview"), tr("&Overview"), this);
+    overviewAction = new QAction(platformStyle->SingleColorIcon(":/icons/overview"), tr("&Overview"), this);
     overviewAction->setStatusTip(tr("Show general overview of wallet"));
     overviewAction->setToolTip(overviewAction->statusTip());
     overviewAction->setCheckable(true);
     overviewAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_1));
     tabGroup->addAction(overviewAction);
 
-    sendCoinsAction = new QAction(SingleColorIcon(":/icons/send"), tr("&Send"), this);
+    sendCoinsAction = new QAction(platformStyle->SingleColorIcon(":/icons/send"), tr("&Send"), this);
     sendCoinsAction->setStatusTip(tr("Send coins to a Bitcoin address"));
     sendCoinsAction->setToolTip(sendCoinsAction->statusTip());
     sendCoinsAction->setCheckable(true);
     sendCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_2));
     tabGroup->addAction(sendCoinsAction);
 
-    sendCoinsMenuAction = new QAction(TextColorIcon(":/icons/send"), sendCoinsAction->text(), this);
+    sendCoinsMenuAction = new QAction(platformStyle->TextColorIcon(":/icons/send"), sendCoinsAction->text(), this);
     sendCoinsMenuAction->setStatusTip(sendCoinsAction->statusTip());
     sendCoinsMenuAction->setToolTip(sendCoinsMenuAction->statusTip());
 
-    receiveCoinsAction = new QAction(SingleColorIcon(":/icons/receiving_addresses"), tr("&Receive"), this);
+    receiveCoinsAction = new QAction(platformStyle->SingleColorIcon(":/icons/receiving_addresses"), tr("&Receive"), this);
     receiveCoinsAction->setStatusTip(tr("Request payments (generates QR codes and bitcoin: URIs)"));
     receiveCoinsAction->setToolTip(receiveCoinsAction->statusTip());
     receiveCoinsAction->setCheckable(true);
     receiveCoinsAction->setShortcut(QKeySequence(Qt::ALT + Qt::Key_3));
     tabGroup->addAction(receiveCoinsAction);
 
-    receiveCoinsMenuAction = new QAction(TextColorIcon(":/icons/receiving_addresses"), receiveCoinsAction->text(), this);
+    receiveCoinsMenuAction = new QAction(platformStyle->TextColorIcon(":/icons/receiving_addresses"), receiveCoinsAction->text(), this);
     receiveCoinsMenuAction->setStatusTip(receiveCoinsAction->statusTip());
     receiveCoinsMenuAction->setToolTip(receiveCoinsMenuAction->statusTip());
 
-    historyAction = new QAction(SingleColorIcon(":/icons/history"), tr("&Transactions"), this);
+    historyAction = new QAction(platformStyle->SingleColorIcon(":/icons/history"), tr("&Transactions"), this);
     historyAction->setStatusTip(tr("Browse transaction history"));
     historyAction->setToolTip(historyAction->statusTip());
     historyAction->setCheckable(true);
@@ -300,46 +301,46 @@ void BitcoinGUI::createActions()
     connect(historyAction, SIGNAL(triggered()), this, SLOT(gotoHistoryPage()));
 #endif // ENABLE_WALLET
 
-    quitAction = new QAction(TextColorIcon(":/icons/quit"), tr("E&xit"), this);
+    quitAction = new QAction(platformStyle->TextColorIcon(":/icons/quit"), tr("E&xit"), this);
     quitAction->setStatusTip(tr("Quit application"));
     quitAction->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_Q));
     quitAction->setMenuRole(QAction::QuitRole);
-    aboutAction = new QAction(TextColorIcon(":/icons/about"), tr("&About Bitcoin Core"), this);
+    aboutAction = new QAction(platformStyle->TextColorIcon(":/icons/about"), tr("&About Bitcoin Core"), this);
     aboutAction->setStatusTip(tr("Show information about Bitcoin Core"));
     aboutAction->setMenuRole(QAction::AboutRole);
-    aboutQtAction = new QAction(TextColorIcon(":/icons/about_qt"), tr("About &Qt"), this);
+    aboutQtAction = new QAction(platformStyle->TextColorIcon(":/icons/about_qt"), tr("About &Qt"), this);
     aboutQtAction->setStatusTip(tr("Show information about Qt"));
     aboutQtAction->setMenuRole(QAction::AboutQtRole);
-    optionsAction = new QAction(TextColorIcon(":/icons/options"), tr("&Options..."), this);
+    optionsAction = new QAction(platformStyle->TextColorIcon(":/icons/options"), tr("&Options..."), this);
     optionsAction->setStatusTip(tr("Modify configuration options for Bitcoin Core"));
     optionsAction->setMenuRole(QAction::PreferencesRole);
-    toggleHideAction = new QAction(TextColorIcon(":/icons/about"), tr("&Show / Hide"), this);
+    toggleHideAction = new QAction(platformStyle->TextColorIcon(":/icons/about"), tr("&Show / Hide"), this);
     toggleHideAction->setStatusTip(tr("Show or hide the main Window"));
 
-    encryptWalletAction = new QAction(TextColorIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
+    encryptWalletAction = new QAction(platformStyle->TextColorIcon(":/icons/lock_closed"), tr("&Encrypt Wallet..."), this);
     encryptWalletAction->setStatusTip(tr("Encrypt the private keys that belong to your wallet"));
     encryptWalletAction->setCheckable(true);
-    backupWalletAction = new QAction(TextColorIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
+    backupWalletAction = new QAction(platformStyle->TextColorIcon(":/icons/filesave"), tr("&Backup Wallet..."), this);
     backupWalletAction->setStatusTip(tr("Backup wallet to another location"));
-    changePassphraseAction = new QAction(TextColorIcon(":/icons/key"), tr("&Change Passphrase..."), this);
+    changePassphraseAction = new QAction(platformStyle->TextColorIcon(":/icons/key"), tr("&Change Passphrase..."), this);
     changePassphraseAction->setStatusTip(tr("Change the passphrase used for wallet encryption"));
-    signMessageAction = new QAction(TextColorIcon(":/icons/edit"), tr("Sign &message..."), this);
+    signMessageAction = new QAction(platformStyle->TextColorIcon(":/icons/edit"), tr("Sign &message..."), this);
     signMessageAction->setStatusTip(tr("Sign messages with your Bitcoin addresses to prove you own them"));
-    verifyMessageAction = new QAction(TextColorIcon(":/icons/verify"), tr("&Verify message..."), this);
+    verifyMessageAction = new QAction(platformStyle->TextColorIcon(":/icons/verify"), tr("&Verify message..."), this);
     verifyMessageAction->setStatusTip(tr("Verify messages to ensure they were signed with specified Bitcoin addresses"));
 
-    openRPCConsoleAction = new QAction(TextColorIcon(":/icons/debugwindow"), tr("&Debug window"), this);
+    openRPCConsoleAction = new QAction(platformStyle->TextColorIcon(":/icons/debugwindow"), tr("&Debug window"), this);
     openRPCConsoleAction->setStatusTip(tr("Open debugging and diagnostic console"));
 
-    usedSendingAddressesAction = new QAction(TextColorIcon(":/icons/address-book"), tr("&Sending addresses..."), this);
+    usedSendingAddressesAction = new QAction(platformStyle->TextColorIcon(":/icons/address-book"), tr("&Sending addresses..."), this);
     usedSendingAddressesAction->setStatusTip(tr("Show the list of used sending addresses and labels"));
-    usedReceivingAddressesAction = new QAction(TextColorIcon(":/icons/address-book"), tr("&Receiving addresses..."), this);
+    usedReceivingAddressesAction = new QAction(platformStyle->TextColorIcon(":/icons/address-book"), tr("&Receiving addresses..."), this);
     usedReceivingAddressesAction->setStatusTip(tr("Show the list of used receiving addresses and labels"));
 
-    openAction = new QAction(TextColorIcon(":/icons/open"), tr("Open &URI..."), this);
+    openAction = new QAction(platformStyle->TextColorIcon(":/icons/open"), tr("Open &URI..."), this);
     openAction->setStatusTip(tr("Open a bitcoin: URI or payment request"));
 
-    showHelpMessageAction = new QAction(TextColorIcon(":/icons/info"), tr("&Command-line options"), this);
+    showHelpMessageAction = new QAction(platformStyle->TextColorIcon(":/icons/info"), tr("&Command-line options"), this);
     showHelpMessageAction->setMenuRole(QAction::NoRole);
     showHelpMessageAction->setStatusTip(tr("Show the Bitcoin Core help message to get a list with possible Bitcoin command-line options"));
 
@@ -650,7 +651,7 @@ void BitcoinGUI::setNumConnections(int count)
     case 7: case 8: case 9: icon = ":/icons/connect_3"; break;
     default: icon = ":/icons/connect_4"; break;
     }
-    labelConnectionsIcon->setPixmap(SingleColorIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+    labelConnectionsIcon->setPixmap(platformStyle->SingleColorIcon(icon).pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
     labelConnectionsIcon->setToolTip(tr("%n active connection(s) to Bitcoin network", "", count));
 }
 
@@ -691,7 +692,7 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate)
     if(secs < 90*60)
     {
         tooltip = tr("Up to date") + QString(".<br>") + tooltip;
-        labelBlocksIcon->setPixmap(SingleColorIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
+        labelBlocksIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/synced").pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
 
 #ifdef ENABLE_WALLET
         if(walletFrame)
@@ -737,7 +738,7 @@ void BitcoinGUI::setNumBlocks(int count, const QDateTime& blockDate)
         tooltip = tr("Catching up...") + QString("<br>") + tooltip;
         if(count != prevBlocks)
         {
-            labelBlocksIcon->setPixmap(SingleColorIcon(QString(
+            labelBlocksIcon->setPixmap(platformStyle->SingleColorIcon(QString(
                 ":/movies/spinner-%1").arg(spinnerFrame, 3, 10, QChar('0')))
                 .pixmap(STATUSBAR_ICONSIZE, STATUSBAR_ICONSIZE));
             spinnerFrame = (spinnerFrame + 1) % SPINNER_FRAMES;
@@ -931,7 +932,7 @@ void BitcoinGUI::setEncryptionStatus(int status)
         break;
     case WalletModel::Unlocked:
         labelEncryptionIcon->show();
-        labelEncryptionIcon->setPixmap(SingleColorIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+        labelEncryptionIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/lock_open").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>unlocked</b>"));
         encryptWalletAction->setChecked(true);
         changePassphraseAction->setEnabled(true);
@@ -939,7 +940,7 @@ void BitcoinGUI::setEncryptionStatus(int status)
         break;
     case WalletModel::Locked:
         labelEncryptionIcon->show();
-        labelEncryptionIcon->setPixmap(SingleColorIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
+        labelEncryptionIcon->setPixmap(platformStyle->SingleColorIcon(":/icons/lock_closed").pixmap(STATUSBAR_ICONSIZE,STATUSBAR_ICONSIZE));
         labelEncryptionIcon->setToolTip(tr("Wallet is <b>encrypted</b> and currently <b>locked</b>"));
         encryptWalletAction->setChecked(true);
         changePassphraseAction->setEnabled(true);
@@ -1041,7 +1042,7 @@ void BitcoinGUI::unsubscribeFromCoreSignals()
     uiInterface.ThreadSafeMessageBox.disconnect(boost::bind(ThreadSafeMessageBox, this, _1, _2, _3));
 }
 
-UnitDisplayStatusBarControl::UnitDisplayStatusBarControl() :
+UnitDisplayStatusBarControl::UnitDisplayStatusBarControl(const PlatformStyle *platformStyle) :
     optionsModel(0),
     menu(0)
 {
@@ -1056,7 +1057,7 @@ UnitDisplayStatusBarControl::UnitDisplayStatusBarControl() :
     }
     setMinimumSize(max_width, 0);
     setAlignment(Qt::AlignRight | Qt::AlignVCenter);
-    setStyleSheet(QString("QLabel { color : %1 }").arg(SingleColor().name()));
+    setStyleSheet(QString("QLabel { color : %1 }").arg(platformStyle->SingleColor().name()));
 }
 
 /** So that it responds to button clicks */
diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index 4e50b1712a..dd0d4bb0e2 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -22,6 +22,7 @@ class ClientModel;
 class NetworkStyle;
 class Notificator;
 class OptionsModel;
+class PlatformStyle;
 class RPCConsole;
 class SendCoinsRecipient;
 class UnitDisplayStatusBarControl;
@@ -47,7 +48,7 @@ class BitcoinGUI : public QMainWindow
 public:
     static const QString DEFAULT_WALLET;
 
-    explicit BitcoinGUI(const NetworkStyle *networkStyle, QWidget *parent = 0);
+    explicit BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *networkStyle, QWidget *parent = 0);
     ~BitcoinGUI();
 
     /** Set the client model.
@@ -117,6 +118,8 @@ private:
     int prevBlocks;
     int spinnerFrame;
 
+    const PlatformStyle *platformStyle;
+
     /** Create the main UI actions. */
     void createActions();
     /** Create the menu bar and sub-menus. */
@@ -215,7 +218,7 @@ class UnitDisplayStatusBarControl : public QLabel
     Q_OBJECT
 
 public:
-    explicit UnitDisplayStatusBarControl();
+    explicit UnitDisplayStatusBarControl(const PlatformStyle *platformStyle);
     /** Lets the control know about the Options Model (and its signals) */
     void setOptionsModel(OptionsModel *optionsModel);
 
diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
index 934d62d5f7..51008ad2de 100644
--- a/src/qt/coincontroldialog.cpp
+++ b/src/qt/coincontroldialog.cpp
@@ -9,7 +9,7 @@
 #include "bitcoinunits.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "txmempool.h"
 #include "walletmodel.h"
 
@@ -35,10 +35,11 @@ QList<CAmount> CoinControlDialog::payAmounts;
 CCoinControl* CoinControlDialog::coinControl = new CCoinControl();
 bool CoinControlDialog::fSubtractFeeFromAmount = false;
 
-CoinControlDialog::CoinControlDialog(QWidget *parent) :
+CoinControlDialog::CoinControlDialog(const PlatformStyle *platformStyle, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::CoinControlDialog),
-    model(0)
+    model(0),
+    platformStyle(platformStyle)
 {
     ui->setupUi(this);
 
@@ -280,7 +281,7 @@ void CoinControlDialog::lockCoin()
     COutPoint outpt(uint256S(contextMenuItem->text(COLUMN_TXHASH).toStdString()), contextMenuItem->text(COLUMN_VOUT_INDEX).toUInt());
     model->lockCoin(outpt);
     contextMenuItem->setDisabled(true);
-    contextMenuItem->setIcon(COLUMN_CHECKBOX, SingleColorIcon(":/icons/lock_closed"));
+    contextMenuItem->setIcon(COLUMN_CHECKBOX, platformStyle->SingleColorIcon(":/icons/lock_closed"));
     updateLabelLocked();
 }
 
@@ -791,7 +792,7 @@ void CoinControlDialog::updateView()
                 COutPoint outpt(txhash, out.i);
                 coinControl->UnSelect(outpt); // just to be sure
                 itemOutput->setDisabled(true);
-                itemOutput->setIcon(COLUMN_CHECKBOX, SingleColorIcon(":/icons/lock_closed"));
+                itemOutput->setIcon(COLUMN_CHECKBOX, platformStyle->SingleColorIcon(":/icons/lock_closed"));
             }
 
             // set checkbox
diff --git a/src/qt/coincontroldialog.h b/src/qt/coincontroldialog.h
index 0566b02c96..8ff1eac709 100644
--- a/src/qt/coincontroldialog.h
+++ b/src/qt/coincontroldialog.h
@@ -16,6 +16,7 @@
 #include <QString>
 #include <QTreeWidgetItem>
 
+class PlatformStyle;
 class WalletModel;
 
 class CCoinControl;
@@ -32,7 +33,7 @@ class CoinControlDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit CoinControlDialog(QWidget *parent = 0);
+    explicit CoinControlDialog(const PlatformStyle *platformStyle, QWidget *parent = 0);
     ~CoinControlDialog();
 
     void setModel(WalletModel *model);
@@ -57,6 +58,8 @@ private:
     QAction *lockAction;
     QAction *unlockAction;
 
+    const PlatformStyle *platformStyle;
+
     QString strPad(QString, int, QString);
     void sortView(int, Qt::SortOrder);
     void updateView();
diff --git a/src/qt/intro.cpp b/src/qt/intro.cpp
index 117969758c..4ab87e0f32 100644
--- a/src/qt/intro.cpp
+++ b/src/qt/intro.cpp
@@ -6,7 +6,6 @@
 #include "ui_intro.h"
 
 #include "guiutil.h"
-#include "scicon.h"
 
 #include "util.h"
 
@@ -168,7 +167,7 @@ void Intro::pickDataDirectory()
         /* If current default data directory does not exist, let the user choose one */
         Intro intro;
         intro.setDataDirectory(dataDir);
-        intro.setWindowIcon(SingleColorIcon(":icons/bitcoin"));
+        intro.setWindowIcon(QIcon(":icons/bitcoin"));
 
         while(true)
         {
diff --git a/src/qt/networkstyle.cpp b/src/qt/networkstyle.cpp
index e28f903b2e..4541c75886 100644
--- a/src/qt/networkstyle.cpp
+++ b/src/qt/networkstyle.cpp
@@ -5,7 +5,6 @@
 #include "networkstyle.h"
 
 #include "guiconstants.h"
-#include "scicon.h"
 
 #include <QApplication>
 
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
index bbd95ef478..a56c80ac63 100644
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -10,7 +10,7 @@
 #include "guiconstants.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "transactionfilterproxy.h"
 #include "transactiontablemodel.h"
 #include "walletmodel.h"
@@ -25,7 +25,9 @@ class TxViewDelegate : public QAbstractItemDelegate
 {
     Q_OBJECT
 public:
-    TxViewDelegate(): QAbstractItemDelegate(), unit(BitcoinUnits::BTC)
+    TxViewDelegate(const PlatformStyle *platformStyle):
+        QAbstractItemDelegate(), unit(BitcoinUnits::BTC),
+        platformStyle(platformStyle)
     {
 
     }
@@ -43,7 +45,7 @@ public:
         int halfheight = (mainRect.height() - 2*ypad)/2;
         QRect amountRect(mainRect.left() + xspace, mainRect.top()+ypad, mainRect.width() - xspace, halfheight);
         QRect addressRect(mainRect.left() + xspace, mainRect.top()+ypad+halfheight, mainRect.width() - xspace, halfheight);
-        icon = SingleColorIcon(icon, SingleColor());
+        icon = platformStyle->SingleColorIcon(icon);
         icon.paint(painter, decorationRect);
 
         QDateTime date = index.data(TransactionTableModel::DateRole).toDateTime();
@@ -101,11 +103,12 @@ public:
     }
 
     int unit;
+    const PlatformStyle *platformStyle;
 
 };
 #include "overviewpage.moc"
 
-OverviewPage::OverviewPage(QWidget *parent) :
+OverviewPage::OverviewPage(const PlatformStyle *platformStyle, QWidget *parent) :
     QWidget(parent),
     ui(new Ui::OverviewPage),
     clientModel(0),
@@ -116,13 +119,13 @@ OverviewPage::OverviewPage(QWidget *parent) :
     currentWatchOnlyBalance(-1),
     currentWatchUnconfBalance(-1),
     currentWatchImmatureBalance(-1),
-    txdelegate(new TxViewDelegate()),
+    txdelegate(new TxViewDelegate(platformStyle)),
     filter(0)
 {
     ui->setupUi(this);
 
     // use a SingleColorIcon for the "out of sync warning" icon
-    QIcon icon = SingleColorIcon(":/icons/warning");
+    QIcon icon = platformStyle->SingleColorIcon(":/icons/warning");
     icon.addPixmap(icon.pixmap(QSize(64,64), QIcon::Normal), QIcon::Disabled); // also set the disabled icon because we are using a disabled QPushButton to work around missing HiDPI support of QLabel (https://bugreports.qt.io/browse/QTBUG-42503)
     ui->labelTransactionsStatus->setIcon(icon);
     ui->labelWalletStatus->setIcon(icon);
diff --git a/src/qt/overviewpage.h b/src/qt/overviewpage.h
index de5ac345da..4139eb35d3 100644
--- a/src/qt/overviewpage.h
+++ b/src/qt/overviewpage.h
@@ -12,6 +12,7 @@
 class ClientModel;
 class TransactionFilterProxy;
 class TxViewDelegate;
+class PlatformStyle;
 class WalletModel;
 
 namespace Ui {
@@ -28,7 +29,7 @@ class OverviewPage : public QWidget
     Q_OBJECT
 
 public:
-    explicit OverviewPage(QWidget *parent = 0);
+    explicit OverviewPage(const PlatformStyle *platformStyle, QWidget *parent = 0);
     ~OverviewPage();
 
     void setClientModel(ClientModel *clientModel);
diff --git a/src/qt/platformstyle.cpp b/src/qt/platformstyle.cpp
new file mode 100644
index 0000000000..11cbc7a47c
--- /dev/null
+++ b/src/qt/platformstyle.cpp
@@ -0,0 +1,147 @@
+// Copyright (c) 2015 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "platformstyle.h"
+
+#include "guiconstants.h"
+
+#include <QApplication>
+#include <QColor>
+#include <QIcon>
+#include <QImage>
+#include <QPalette>
+#include <QPixmap>
+
+static const struct {
+    const char *platformId;
+    /** Show images on push buttons */
+    const bool imagesOnButtons;
+    /** Colorize single-color icons */
+    const bool colorizeIcons;
+    /** Extra padding/spacing in transactionview */
+    const bool useExtraSpacing;
+} platform_styles[] = {
+    {"macosx", false, false, true},
+    {"windows", true, false, false},
+    /* Other: linux, unix, ... */
+    {"other", true, true, false}
+};
+static const unsigned platform_styles_count = sizeof(platform_styles)/sizeof(*platform_styles);
+
+namespace {
+/* Local functions for colorizing single-color images */
+
+void MakeSingleColorImage(QImage& img, const QColor& colorbase)
+{
+    img = img.convertToFormat(QImage::Format_ARGB32);
+    for (int x = img.width(); x--; )
+    {
+        for (int y = img.height(); y--; )
+        {
+            const QRgb rgb = img.pixel(x, y);
+            img.setPixel(x, y, qRgba(colorbase.red(), colorbase.green(), colorbase.blue(), qAlpha(rgb)));
+        }
+    }
+}
+
+QIcon ColorizeIcon(const QIcon& ico, const QColor& colorbase)
+{
+    QIcon new_ico;
+    QSize sz;
+    Q_FOREACH(sz, ico.availableSizes())
+    {
+        QImage img(ico.pixmap(sz).toImage());
+        MakeSingleColorImage(img, colorbase);
+        new_ico.addPixmap(QPixmap::fromImage(img));
+    }
+    return new_ico;
+}
+
+QImage ColorizeImage(const QString& filename, const QColor& colorbase)
+{
+    QImage img(filename);
+    MakeSingleColorImage(img, colorbase);
+    return img;
+}
+
+QIcon ColorizeIcon(const QString& filename, const QColor& colorbase)
+{
+    return QIcon(QPixmap::fromImage(ColorizeImage(filename, colorbase)));
+}
+
+}
+
+
+PlatformStyle::PlatformStyle(const QString &name, bool imagesOnButtons, bool colorizeIcons, bool useExtraSpacing):
+    name(name),
+    imagesOnButtons(imagesOnButtons),
+    colorizeIcons(colorizeIcons),
+    useExtraSpacing(useExtraSpacing),
+    singleColor(0,0,0),
+    textColor(0,0,0)
+{
+    // Determine icon highlighting color
+    if (colorizeIcons) {
+        const QColor colorHighlightBg(QApplication::palette().color(QPalette::Highlight));
+        const QColor colorHighlightFg(QApplication::palette().color(QPalette::HighlightedText));
+        const QColor colorText(QApplication::palette().color(QPalette::WindowText));
+        const int colorTextLightness = colorText.lightness();
+        QColor colorbase;
+        if (abs(colorHighlightBg.lightness() - colorTextLightness) < abs(colorHighlightFg.lightness() - colorTextLightness))
+            colorbase = colorHighlightBg;
+        else
+            colorbase = colorHighlightFg;
+        singleColor = colorbase;
+    }
+    // Determine text color
+    textColor = QColor(QApplication::palette().color(QPalette::WindowText));
+}
+
+QImage PlatformStyle::SingleColorImage(const QString& filename) const
+{
+    if (!colorizeIcons)
+        return QImage(filename);
+    return ColorizeImage(filename, SingleColor());
+}
+
+QIcon PlatformStyle::SingleColorIcon(const QString& filename) const
+{
+    if (!colorizeIcons)
+        return QIcon(filename);
+    return ColorizeIcon(filename, SingleColor());
+}
+
+QIcon PlatformStyle::SingleColorIcon(const QIcon& icon) const
+{
+    if (!colorizeIcons)
+        return icon;
+    return ColorizeIcon(icon, SingleColor());
+}
+
+QIcon PlatformStyle::TextColorIcon(const QString& filename) const
+{
+    return ColorizeIcon(filename, TextColor());
+}
+
+QIcon PlatformStyle::TextColorIcon(const QIcon& icon) const
+{
+    return ColorizeIcon(icon, TextColor());
+}
+
+const PlatformStyle *PlatformStyle::instantiate(const QString &platformId)
+{
+    for (unsigned x=0; x<platform_styles_count; ++x)
+    {
+        if (platformId == platform_styles[x].platformId)
+        {
+            return new PlatformStyle(
+                    platform_styles[x].platformId,
+                    platform_styles[x].imagesOnButtons,
+                    platform_styles[x].colorizeIcons,
+                    platform_styles[x].useExtraSpacing);
+        }
+    }
+    return 0;
+}
+
diff --git a/src/qt/platformstyle.h b/src/qt/platformstyle.h
new file mode 100644
index 0000000000..4e763e760e
--- /dev/null
+++ b/src/qt/platformstyle.h
@@ -0,0 +1,55 @@
+// Copyright (c) 2015 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_QT_PLATFORMSTYLE_H
+#define BITCOIN_QT_PLATFORMSTYLE_H
+
+#include <QIcon>
+#include <QPixmap>
+#include <QString>
+
+/* Coin network-specific GUI style information */
+class PlatformStyle
+{
+public:
+    /** Get style associated with provided platform name, or 0 if not known */
+    static const PlatformStyle *instantiate(const QString &platformId);
+
+    const QString &getName() const { return name; }
+
+    bool getImagesOnButtons() const { return imagesOnButtons; }
+    bool getUseExtraSpacing() const { return useExtraSpacing; }
+
+    QColor TextColor() const { return textColor; }
+    QColor SingleColor() const { return singleColor; }
+
+    /** Colorize an image (given filename) with the icon color */
+    QImage SingleColorImage(const QString& filename) const;
+
+    /** Colorize an icon (given filename) with the icon color */
+    QIcon SingleColorIcon(const QString& filename) const;
+
+    /** Colorize an icon (given object) with the icon color */
+    QIcon SingleColorIcon(const QIcon& icon) const;
+
+    /** Colorize an icon (given filename) with the text color */
+    QIcon TextColorIcon(const QString& filename) const;
+
+    /** Colorize an icon (given object) with the text color */
+    QIcon TextColorIcon(const QIcon& icon) const;
+
+private:
+    PlatformStyle(const QString &name, bool imagesOnButtons, bool colorizeIcons, bool useExtraSpacing);
+
+    QString name;
+    bool imagesOnButtons;
+    bool colorizeIcons;
+    bool useExtraSpacing;
+    QColor singleColor;
+    QColor textColor;
+    /* ... more to come later */
+};
+
+#endif // BITCOIN_QT_PLATFORMSTYLE_H
+
diff --git a/src/qt/receivecoinsdialog.cpp b/src/qt/receivecoinsdialog.cpp
index 43b46c63b5..7fb68cc32a 100644
--- a/src/qt/receivecoinsdialog.cpp
+++ b/src/qt/receivecoinsdialog.cpp
@@ -10,9 +10,9 @@
 #include "bitcoinunits.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
+#include "platformstyle.h"
 #include "receiverequestdialog.h"
 #include "recentrequeststablemodel.h"
-#include "scicon.h"
 #include "walletmodel.h"
 
 #include <QAction>
@@ -22,24 +22,25 @@
 #include <QScrollBar>
 #include <QTextDocument>
 
-ReceiveCoinsDialog::ReceiveCoinsDialog(QWidget *parent) :
+ReceiveCoinsDialog::ReceiveCoinsDialog(const PlatformStyle *platformStyle, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::ReceiveCoinsDialog),
-    model(0)
+    model(0),
+    platformStyle(platformStyle)
 {
     ui->setupUi(this);
 
-#ifdef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
-    ui->clearButton->setIcon(QIcon());
-    ui->receiveButton->setIcon(QIcon());
-    ui->showRequestButton->setIcon(QIcon());
-    ui->removeRequestButton->setIcon(QIcon());
-#else
-    ui->clearButton->setIcon(SingleColorIcon(":/icons/remove"));
-    ui->receiveButton->setIcon(SingleColorIcon(":/icons/receiving_addresses"));
-    ui->showRequestButton->setIcon(SingleColorIcon(":/icons/edit"));
-    ui->removeRequestButton->setIcon(SingleColorIcon(":/icons/remove"));
-#endif
+    if (!platformStyle->getImagesOnButtons()) {
+        ui->clearButton->setIcon(QIcon());
+        ui->receiveButton->setIcon(QIcon());
+        ui->showRequestButton->setIcon(QIcon());
+        ui->removeRequestButton->setIcon(QIcon());
+    } else {
+        ui->clearButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+        ui->receiveButton->setIcon(platformStyle->SingleColorIcon(":/icons/receiving_addresses"));
+        ui->showRequestButton->setIcon(platformStyle->SingleColorIcon(":/icons/edit"));
+        ui->removeRequestButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+    }
 
     // context menu actions
     QAction *copyLabelAction = new QAction(tr("Copy label"), this);
@@ -132,7 +133,7 @@ void ReceiveCoinsDialog::on_receiveButton_clicked()
     if(ui->reuseAddress->isChecked())
     {
         /* Choose existing receiving address */
-        AddressBookPage dlg(AddressBookPage::ForSelection, AddressBookPage::ReceivingTab, this);
+        AddressBookPage dlg(platformStyle, AddressBookPage::ForSelection, AddressBookPage::ReceivingTab, this);
         dlg.setModel(model->getAddressTableModel());
         if(dlg.exec())
         {
diff --git a/src/qt/receivecoinsdialog.h b/src/qt/receivecoinsdialog.h
index 6bb159482b..eaaf129a91 100644
--- a/src/qt/receivecoinsdialog.h
+++ b/src/qt/receivecoinsdialog.h
@@ -16,6 +16,7 @@
 #include <QVariant>
 
 class OptionsModel;
+class PlatformStyle;
 class WalletModel;
 
 namespace Ui {
@@ -39,7 +40,7 @@ public:
         MINIMUM_COLUMN_WIDTH = 130
     };
 
-    explicit ReceiveCoinsDialog(QWidget *parent = 0);
+    explicit ReceiveCoinsDialog(const PlatformStyle *platformStyle, QWidget *parent = 0);
     ~ReceiveCoinsDialog();
 
     void setModel(WalletModel *model);
@@ -57,6 +58,8 @@ private:
     GUIUtil::TableViewLastColumnResizingFixer *columnResizingFixer;
     WalletModel *model;
     QMenu *contextMenu;
+    const PlatformStyle *platformStyle;
+
     void copyColumnToClipboard(int column);
     virtual void resizeEvent(QResizeEvent *event);
 
diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index b2717558ca..3231b392f2 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -8,7 +8,7 @@
 #include "clientmodel.h"
 #include "guiutil.h"
 #include "peertablemodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 
 #include "chainparams.h"
 #include "rpcserver.h"
@@ -200,21 +200,22 @@ void RPCExecutor::request(const QString &command)
     }
 }
 
-RPCConsole::RPCConsole(QWidget *parent) :
+RPCConsole::RPCConsole(const PlatformStyle *platformStyle, QWidget *parent) :
     QWidget(parent),
     ui(new Ui::RPCConsole),
     clientModel(0),
     historyPtr(0),
     cachedNodeid(-1),
-    contextMenu(0)
+    contextMenu(0),
+    platformStyle(platformStyle)
 {
     ui->setupUi(this);
     GUIUtil::restoreWindowGeometry("nRPCConsoleWindow", this->size(), this);
 
-#ifndef Q_OS_MAC
-    ui->openDebugLogfileButton->setIcon(SingleColorIcon(":/icons/export"));
-#endif
-    ui->clearButton->setIcon(SingleColorIcon(":/icons/remove"));
+    if (platformStyle->getImagesOnButtons()) {
+        ui->openDebugLogfileButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));
+    }
+    ui->clearButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
 
     // Install event filter for up and down arrow
     ui->lineEdit->installEventFilter(this);
@@ -363,7 +364,7 @@ void RPCConsole::clear()
         ui->messagesWidget->document()->addResource(
                     QTextDocument::ImageResource,
                     QUrl(ICON_MAPPING[i].url),
-                    SingleColorImage(ICON_MAPPING[i].source, SingleColor()).scaled(ICON_SIZE, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+                    platformStyle->SingleColorImage(ICON_MAPPING[i].source).scaled(ICON_SIZE, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
     }
 
     // Set default style sheet
diff --git a/src/qt/rpcconsole.h b/src/qt/rpcconsole.h
index 6f42aa08b7..b94efee84a 100644
--- a/src/qt/rpcconsole.h
+++ b/src/qt/rpcconsole.h
@@ -13,6 +13,7 @@
 #include <QWidget>
 
 class ClientModel;
+class PlatformStyle;
 
 namespace Ui {
     class RPCConsole;
@@ -29,7 +30,7 @@ class RPCConsole: public QWidget
     Q_OBJECT
 
 public:
-    explicit RPCConsole(QWidget *parent);
+    explicit RPCConsole(const PlatformStyle *platformStyle, QWidget *parent);
     ~RPCConsole();
 
     void setClientModel(ClientModel *model);
@@ -106,6 +107,7 @@ private:
     int historyPtr;
     NodeId cachedNodeid;
     QMenu *contextMenu;
+    const PlatformStyle *platformStyle;
 };
 
 #endif // BITCOIN_QT_RPCCONSOLE_H
diff --git a/src/qt/scicon.cpp b/src/qt/scicon.cpp
deleted file mode 100644
index c493b5569e..0000000000
--- a/src/qt/scicon.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-// Copyright (c) 2014 The Bitcoin developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include "scicon.h"
-
-#include <QApplication>
-#include <QColor>
-#include <QIcon>
-#include <QImage>
-#include <QPalette>
-#include <QPixmap>
-
-namespace {
-
-void MakeSingleColorImage(QImage& img, const QColor& colorbase)
-{
-    img = img.convertToFormat(QImage::Format_ARGB32);
-    for (int x = img.width(); x--; )
-    {
-        for (int y = img.height(); y--; )
-        {
-            const QRgb rgb = img.pixel(x, y);
-            img.setPixel(x, y, qRgba(colorbase.red(), colorbase.green(), colorbase.blue(), qAlpha(rgb)));
-        }
-    }
-}
-
-}
-
-QImage SingleColorImage(const QString& filename, const QColor& colorbase)
-{
-    QImage img(filename);
-#if !defined(WIN32) && !defined(MAC_OSX)
-    MakeSingleColorImage(img, colorbase);
-#endif
-    return img;
-}
-
-QIcon SingleColorIcon(const QIcon& ico, const QColor& colorbase)
-{
-#if defined(WIN32) || defined(MAC_OSX)
-    return ico;
-#else
-    QIcon new_ico;
-    QSize sz;
-    Q_FOREACH(sz, ico.availableSizes())
-    {
-        QImage img(ico.pixmap(sz).toImage());
-        MakeSingleColorImage(img, colorbase);
-        new_ico.addPixmap(QPixmap::fromImage(img));
-    }
-    return new_ico;
-#endif
-}
-
-QIcon SingleColorIcon(const QString& filename, const QColor& colorbase)
-{
-    return QIcon(QPixmap::fromImage(SingleColorImage(filename, colorbase)));
-}
-
-QColor SingleColor()
-{
-#if defined(WIN32) || defined(MAC_OSX)
-    return QColor(0,0,0);
-#else
-    const QColor colorHighlightBg(QApplication::palette().color(QPalette::Highlight));
-    const QColor colorHighlightFg(QApplication::palette().color(QPalette::HighlightedText));
-    const QColor colorText(QApplication::palette().color(QPalette::WindowText));
-    const int colorTextLightness = colorText.lightness();
-    QColor colorbase;
-    if (abs(colorHighlightBg.lightness() - colorTextLightness) < abs(colorHighlightFg.lightness() - colorTextLightness))
-        colorbase = colorHighlightBg;
-    else
-        colorbase = colorHighlightFg;
-    return colorbase;
-#endif
-}
-
-QIcon SingleColorIcon(const QString& filename)
-{
-    return SingleColorIcon(filename, SingleColor());
-}
-
-static QColor TextColor()
-{
-    return QColor(QApplication::palette().color(QPalette::WindowText));
-}
-
-QIcon TextColorIcon(const QString& filename)
-{
-    return SingleColorIcon(filename, TextColor());
-}
-
-QIcon TextColorIcon(const QIcon& ico)
-{
-    return SingleColorIcon(ico, TextColor());
-}
diff --git a/src/qt/scicon.h b/src/qt/scicon.h
deleted file mode 100644
index 1388069ddb..0000000000
--- a/src/qt/scicon.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2014 The Bitcoin developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef BITCOIN_QT_SCICON_H
-#define BITCOIN_QT_SCICON_H
-
-#include <QtCore>
-
-QT_BEGIN_NAMESPACE
-class QColor;
-class QIcon;
-class QString;
-QT_END_NAMESPACE
-
-QImage SingleColorImage(const QString& filename, const QColor&);
-QIcon SingleColorIcon(const QIcon&, const QColor&);
-QIcon SingleColorIcon(const QString& filename, const QColor&);
-QColor SingleColor();
-QIcon SingleColorIcon(const QString& filename);
-QIcon TextColorIcon(const QIcon&);
-QIcon TextColorIcon(const QString& filename);
-
-#endif // BITCOIN_QT_SCICON_H
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index 2407fcbc4a..449a7bc5e8 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -11,7 +11,7 @@
 #include "coincontroldialog.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "sendcoinsentry.h"
 #include "walletmodel.h"
 
@@ -27,25 +27,26 @@
 #include <QSettings>
 #include <QTextDocument>
 
-SendCoinsDialog::SendCoinsDialog(QWidget *parent) :
+SendCoinsDialog::SendCoinsDialog(const PlatformStyle *platformStyle, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::SendCoinsDialog),
     clientModel(0),
     model(0),
     fNewRecipientAllowed(true),
-    fFeeMinimized(true)
+    fFeeMinimized(true),
+    platformStyle(platformStyle)
 {
     ui->setupUi(this);
 
-#ifdef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
-    ui->addButton->setIcon(QIcon());
-    ui->clearButton->setIcon(QIcon());
-    ui->sendButton->setIcon(QIcon());
-#else
-    ui->addButton->setIcon(SingleColorIcon(":/icons/add"));
-    ui->clearButton->setIcon(SingleColorIcon(":/icons/remove"));
-    ui->sendButton->setIcon(SingleColorIcon(":/icons/send"));
-#endif
+    if (!platformStyle->getImagesOnButtons()) {
+        ui->addButton->setIcon(QIcon());
+        ui->clearButton->setIcon(QIcon());
+        ui->sendButton->setIcon(QIcon());
+    } else {
+        ui->addButton->setIcon(platformStyle->SingleColorIcon(":/icons/add"));
+        ui->clearButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+        ui->sendButton->setIcon(platformStyle->SingleColorIcon(":/icons/send"));
+    }
 
     GUIUtil::setupAddressWidget(ui->lineEditCoinControlChange, this);
 
@@ -364,7 +365,7 @@ void SendCoinsDialog::accept()
 
 SendCoinsEntry *SendCoinsDialog::addEntry()
 {
-    SendCoinsEntry *entry = new SendCoinsEntry(this);
+    SendCoinsEntry *entry = new SendCoinsEntry(platformStyle, this);
     entry->setModel(model);
     ui->entries->addWidget(entry);
     connect(entry, SIGNAL(removeEntry(SendCoinsEntry*)), this, SLOT(removeEntry(SendCoinsEntry*)));
@@ -711,7 +712,7 @@ void SendCoinsDialog::coinControlFeatureChanged(bool checked)
 // Coin Control: button inputs -> show actual coin control dialog
 void SendCoinsDialog::coinControlButtonClicked()
 {
-    CoinControlDialog dlg;
+    CoinControlDialog dlg(platformStyle);
     dlg.setModel(model);
     dlg.exec();
     coinControlUpdateLabels();
diff --git a/src/qt/sendcoinsdialog.h b/src/qt/sendcoinsdialog.h
index c833da84b2..391905ffcd 100644
--- a/src/qt/sendcoinsdialog.h
+++ b/src/qt/sendcoinsdialog.h
@@ -12,6 +12,7 @@
 
 class ClientModel;
 class OptionsModel;
+class PlatformStyle;
 class SendCoinsEntry;
 class SendCoinsRecipient;
 
@@ -31,7 +32,7 @@ class SendCoinsDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit SendCoinsDialog(QWidget *parent = 0);
+    explicit SendCoinsDialog(const PlatformStyle *platformStyle, QWidget *parent = 0);
     ~SendCoinsDialog();
 
     void setClientModel(ClientModel *clientModel);
@@ -60,6 +61,7 @@ private:
     WalletModel *model;
     bool fNewRecipientAllowed;
     bool fFeeMinimized;
+    const PlatformStyle *platformStyle;
 
     // Process WalletModel::SendCoinsReturn and generate a pair consisting
     // of a message and message flags for use in Q_EMIT message().
diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp
index 90a8cbdc4e..44aa8ad1af 100644
--- a/src/qt/sendcoinsentry.cpp
+++ b/src/qt/sendcoinsentry.cpp
@@ -9,30 +9,30 @@
 #include "addresstablemodel.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "walletmodel.h"
 
 #include <QApplication>
 #include <QClipboard>
 
-SendCoinsEntry::SendCoinsEntry(QWidget *parent) :
+SendCoinsEntry::SendCoinsEntry(const PlatformStyle *platformStyle, QWidget *parent) :
     QStackedWidget(parent),
     ui(new Ui::SendCoinsEntry),
-    model(0)
+    model(0),
+    platformStyle(platformStyle)
 {
     ui->setupUi(this);
 
-    ui->addressBookButton->setIcon(SingleColorIcon(":/icons/address-book"));
-    ui->pasteButton->setIcon(SingleColorIcon(":/icons/editpaste"));
-    ui->deleteButton->setIcon(SingleColorIcon(":/icons/remove"));
-    ui->deleteButton_is->setIcon(SingleColorIcon(":/icons/remove"));
-    ui->deleteButton_s->setIcon(SingleColorIcon(":/icons/remove"));
+    ui->addressBookButton->setIcon(platformStyle->SingleColorIcon(":/icons/address-book"));
+    ui->pasteButton->setIcon(platformStyle->SingleColorIcon(":/icons/editpaste"));
+    ui->deleteButton->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+    ui->deleteButton_is->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+    ui->deleteButton_s->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
 
     setCurrentWidget(ui->SendCoins);
 
-#ifdef Q_OS_MAC
-    ui->payToLayout->setSpacing(4);
-#endif
+    if (platformStyle->getUseExtraSpacing())
+        ui->payToLayout->setSpacing(4);
 #if QT_VERSION >= 0x040700
     ui->addAsLabel->setPlaceholderText(tr("Enter a label for this address to add it to your address book"));
 #endif
@@ -65,7 +65,7 @@ void SendCoinsEntry::on_addressBookButton_clicked()
 {
     if(!model)
         return;
-    AddressBookPage dlg(AddressBookPage::ForSelection, AddressBookPage::SendingTab, this);
+    AddressBookPage dlg(platformStyle, AddressBookPage::ForSelection, AddressBookPage::SendingTab, this);
     dlg.setModel(model->getAddressTableModel());
     if(dlg.exec())
     {
diff --git a/src/qt/sendcoinsentry.h b/src/qt/sendcoinsentry.h
index d7e655fdc3..107ab70158 100644
--- a/src/qt/sendcoinsentry.h
+++ b/src/qt/sendcoinsentry.h
@@ -10,6 +10,7 @@
 #include <QStackedWidget>
 
 class WalletModel;
+class PlatformStyle;
 
 namespace Ui {
     class SendCoinsEntry;
@@ -25,7 +26,7 @@ class SendCoinsEntry : public QStackedWidget
     Q_OBJECT
 
 public:
-    explicit SendCoinsEntry(QWidget *parent = 0);
+    explicit SendCoinsEntry(const PlatformStyle *platformStyle, QWidget *parent = 0);
     ~SendCoinsEntry();
 
     void setModel(WalletModel *model);
@@ -64,6 +65,7 @@ private:
     SendCoinsRecipient recipient;
     Ui::SendCoinsEntry *ui;
     WalletModel *model;
+    const PlatformStyle *platformStyle;
 
     bool updateLabel(const QString &address);
 };
diff --git a/src/qt/signverifymessagedialog.cpp b/src/qt/signverifymessagedialog.cpp
index d3984923a8..60e8e36ebe 100644
--- a/src/qt/signverifymessagedialog.cpp
+++ b/src/qt/signverifymessagedialog.cpp
@@ -7,7 +7,7 @@
 
 #include "addressbookpage.h"
 #include "guiutil.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "walletmodel.h"
 
 #include "base58.h"
@@ -20,21 +20,22 @@
 
 #include <QClipboard>
 
-SignVerifyMessageDialog::SignVerifyMessageDialog(QWidget *parent) :
+SignVerifyMessageDialog::SignVerifyMessageDialog(const PlatformStyle *platformStyle, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::SignVerifyMessageDialog),
-    model(0)
+    model(0),
+    platformStyle(platformStyle)
 {
     ui->setupUi(this);
 
-    ui->addressBookButton_SM->setIcon(SingleColorIcon(":/icons/address-book"));
-    ui->pasteButton_SM->setIcon(SingleColorIcon(":/icons/editpaste"));
-    ui->copySignatureButton_SM->setIcon(SingleColorIcon(":/icons/editcopy"));
-    ui->signMessageButton_SM->setIcon(SingleColorIcon(":/icons/edit"));
-    ui->clearButton_SM->setIcon(SingleColorIcon(":/icons/remove"));
-    ui->addressBookButton_VM->setIcon(SingleColorIcon(":/icons/address-book"));
-    ui->verifyMessageButton_VM->setIcon(SingleColorIcon(":/icons/transaction_0"));
-    ui->clearButton_VM->setIcon(SingleColorIcon(":/icons/remove"));
+    ui->addressBookButton_SM->setIcon(platformStyle->SingleColorIcon(":/icons/address-book"));
+    ui->pasteButton_SM->setIcon(platformStyle->SingleColorIcon(":/icons/editpaste"));
+    ui->copySignatureButton_SM->setIcon(platformStyle->SingleColorIcon(":/icons/editcopy"));
+    ui->signMessageButton_SM->setIcon(platformStyle->SingleColorIcon(":/icons/edit"));
+    ui->clearButton_SM->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
+    ui->addressBookButton_VM->setIcon(platformStyle->SingleColorIcon(":/icons/address-book"));
+    ui->verifyMessageButton_VM->setIcon(platformStyle->SingleColorIcon(":/icons/transaction_0"));
+    ui->clearButton_VM->setIcon(platformStyle->SingleColorIcon(":/icons/remove"));
 
 #if QT_VERSION >= 0x040700
     ui->signatureOut_SM->setPlaceholderText(tr("Click \"Sign Message\" to generate signature"));
@@ -94,7 +95,7 @@ void SignVerifyMessageDialog::on_addressBookButton_SM_clicked()
 {
     if (model && model->getAddressTableModel())
     {
-        AddressBookPage dlg(AddressBookPage::ForSelection, AddressBookPage::ReceivingTab, this);
+        AddressBookPage dlg(platformStyle, AddressBookPage::ForSelection, AddressBookPage::ReceivingTab, this);
         dlg.setModel(model->getAddressTableModel());
         if (dlg.exec())
         {
@@ -185,7 +186,7 @@ void SignVerifyMessageDialog::on_addressBookButton_VM_clicked()
 {
     if (model && model->getAddressTableModel())
     {
-        AddressBookPage dlg(AddressBookPage::ForSelection, AddressBookPage::SendingTab, this);
+        AddressBookPage dlg(platformStyle, AddressBookPage::ForSelection, AddressBookPage::SendingTab, this);
         dlg.setModel(model->getAddressTableModel());
         if (dlg.exec())
         {
diff --git a/src/qt/signverifymessagedialog.h b/src/qt/signverifymessagedialog.h
index bf841e4f8b..d651d5049b 100644
--- a/src/qt/signverifymessagedialog.h
+++ b/src/qt/signverifymessagedialog.h
@@ -7,6 +7,7 @@
 
 #include <QDialog>
 
+class PlatformStyle;
 class WalletModel;
 
 namespace Ui {
@@ -18,7 +19,7 @@ class SignVerifyMessageDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit SignVerifyMessageDialog(QWidget *parent);
+    explicit SignVerifyMessageDialog(const PlatformStyle *platformStyle, QWidget *parent);
     ~SignVerifyMessageDialog();
 
     void setModel(WalletModel *model);
@@ -34,6 +35,7 @@ protected:
 private:
     Ui::SignVerifyMessageDialog *ui;
     WalletModel *model;
+    const PlatformStyle *platformStyle;
 
 private Q_SLOTS:
     /* sign message */
diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
index f384562a50..98ad1a44b6 100644
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -8,7 +8,7 @@
 #include "guiconstants.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "transactiondesc.h"
 #include "transactionrecord.h"
 #include "walletmodel.h"
@@ -222,12 +222,13 @@ public:
     }
 };
 
-TransactionTableModel::TransactionTableModel(CWallet* wallet, WalletModel *parent):
+TransactionTableModel::TransactionTableModel(const PlatformStyle *platformStyle, CWallet* wallet, WalletModel *parent):
         QAbstractTableModel(parent),
         wallet(wallet),
         walletModel(parent),
         priv(new TransactionTablePriv(wallet, this)),
-        fProcessingQueuedTransactions(false)
+        fProcessingQueuedTransactions(false),
+        platformStyle(platformStyle)
 {
     columns << QString() << QString() << tr("Date") << tr("Type") << tr("Label") << BitcoinUnits::getAmountColumnTitle(walletModel->getOptionsModel()->getDisplayUnit());
     priv->refreshWallet();
@@ -521,7 +522,7 @@ QVariant TransactionTableModel::data(const QModelIndex &index, int role) const
     case Qt::DecorationRole:
     {
         QIcon icon = qvariant_cast<QIcon>(index.data(RawDecorationRole));
-        return TextColorIcon(icon);
+        return platformStyle->TextColorIcon(icon);
     }
     case Qt::DisplayRole:
         switch(index.column())
diff --git a/src/qt/transactiontablemodel.h b/src/qt/transactiontablemodel.h
index 25c82c764b..2089f703a6 100644
--- a/src/qt/transactiontablemodel.h
+++ b/src/qt/transactiontablemodel.h
@@ -10,6 +10,7 @@
 #include <QAbstractTableModel>
 #include <QStringList>
 
+class PlatformStyle;
 class TransactionRecord;
 class TransactionTablePriv;
 class WalletModel;
@@ -23,7 +24,7 @@ class TransactionTableModel : public QAbstractTableModel
     Q_OBJECT
 
 public:
-    explicit TransactionTableModel(CWallet* wallet, WalletModel *parent = 0);
+    explicit TransactionTableModel(const PlatformStyle *platformStyle, CWallet* wallet, WalletModel *parent = 0);
     ~TransactionTableModel();
 
     enum ColumnIndex {
@@ -82,6 +83,7 @@ private:
     QStringList columns;
     TransactionTablePriv *priv;
     bool fProcessingQueuedTransactions;
+    const PlatformStyle *platformStyle;
 
     void subscribeToCoreSignals();
     void unsubscribeFromCoreSignals();
diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp
index 998789b3ae..54e5a82720 100644
--- a/src/qt/transactionview.cpp
+++ b/src/qt/transactionview.cpp
@@ -10,7 +10,7 @@
 #include "editaddressdialog.h"
 #include "guiutil.h"
 #include "optionsmodel.h"
-#include "scicon.h"
+#include "platformstyle.h"
 #include "transactiondescdialog.h"
 #include "transactionfilterproxy.h"
 #include "transactionrecord.h"
@@ -35,7 +35,7 @@
 #include <QUrl>
 #include <QVBoxLayout>
 
-TransactionView::TransactionView(QWidget *parent) :
+TransactionView::TransactionView(const PlatformStyle *platformStyle, QWidget *parent) :
     QWidget(parent), model(0), transactionProxyModel(0),
     transactionView(0)
 {
@@ -44,27 +44,28 @@ TransactionView::TransactionView(QWidget *parent) :
 
     QHBoxLayout *hlayout = new QHBoxLayout();
     hlayout->setContentsMargins(0,0,0,0);
-#ifdef Q_OS_MAC
-    hlayout->setSpacing(5);
-    hlayout->addSpacing(26);
-#else
-    hlayout->setSpacing(0);
-    hlayout->addSpacing(23);
-#endif
+
+    if (platformStyle->getUseExtraSpacing()) {
+        hlayout->setSpacing(5);
+        hlayout->addSpacing(26);
+    } else {
+        hlayout->setSpacing(0);
+        hlayout->addSpacing(23);
+    }
 
     watchOnlyWidget = new QComboBox(this);
     watchOnlyWidget->setFixedWidth(24);
     watchOnlyWidget->addItem("", TransactionFilterProxy::WatchOnlyFilter_All);
-    watchOnlyWidget->addItem(SingleColorIcon(":/icons/eye_plus"), "", TransactionFilterProxy::WatchOnlyFilter_Yes);
-    watchOnlyWidget->addItem(SingleColorIcon(":/icons/eye_minus"), "", TransactionFilterProxy::WatchOnlyFilter_No);
+    watchOnlyWidget->addItem(platformStyle->SingleColorIcon(":/icons/eye_plus"), "", TransactionFilterProxy::WatchOnlyFilter_Yes);
+    watchOnlyWidget->addItem(platformStyle->SingleColorIcon(":/icons/eye_minus"), "", TransactionFilterProxy::WatchOnlyFilter_No);
     hlayout->addWidget(watchOnlyWidget);
 
     dateWidget = new QComboBox(this);
-#ifdef Q_OS_MAC
-    dateWidget->setFixedWidth(121);
-#else
-    dateWidget->setFixedWidth(120);
-#endif
+    if (platformStyle->getUseExtraSpacing()) {
+        dateWidget->setFixedWidth(121);
+    } else {
+        dateWidget->setFixedWidth(120);
+    }
     dateWidget->addItem(tr("All"), All);
     dateWidget->addItem(tr("Today"), Today);
     dateWidget->addItem(tr("This week"), ThisWeek);
@@ -75,11 +76,11 @@ TransactionView::TransactionView(QWidget *parent) :
     hlayout->addWidget(dateWidget);
 
     typeWidget = new QComboBox(this);
-#ifdef Q_OS_MAC
-    typeWidget->setFixedWidth(121);
-#else
-    typeWidget->setFixedWidth(120);
-#endif
+    if (platformStyle->getUseExtraSpacing()) {
+        typeWidget->setFixedWidth(121);
+    } else {
+        typeWidget->setFixedWidth(120);
+    }
 
     typeWidget->addItem(tr("All"), TransactionFilterProxy::ALL_TYPES);
     typeWidget->addItem(tr("Received with"), TransactionFilterProxy::TYPE(TransactionRecord::RecvWithAddress) |
@@ -102,11 +103,11 @@ TransactionView::TransactionView(QWidget *parent) :
 #if QT_VERSION >= 0x040700
     amountWidget->setPlaceholderText(tr("Min amount"));
 #endif
-#ifdef Q_OS_MAC
-    amountWidget->setFixedWidth(97);
-#else
-    amountWidget->setFixedWidth(100);
-#endif
+    if (platformStyle->getUseExtraSpacing()) {
+        amountWidget->setFixedWidth(97);
+    } else {
+        amountWidget->setFixedWidth(100);
+    }
     amountWidget->setValidator(new QDoubleValidator(0, 1e20, 8, this));
     hlayout->addWidget(amountWidget);
 
@@ -121,11 +122,11 @@ TransactionView::TransactionView(QWidget *parent) :
     vlayout->setSpacing(0);
     int width = view->verticalScrollBar()->sizeHint().width();
     // Cover scroll bar width with spacing
-#ifdef Q_OS_MAC
-    hlayout->addSpacing(width+2);
-#else
-    hlayout->addSpacing(width);
-#endif
+    if (platformStyle->getUseExtraSpacing()) {
+        hlayout->addSpacing(width+2);
+    } else {
+        hlayout->addSpacing(width);
+    }
     // Always show scroll bar
     view->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
     view->setTabKeyNavigation(false);
diff --git a/src/qt/transactionview.h b/src/qt/transactionview.h
index 6c35362be4..ac157fb98d 100644
--- a/src/qt/transactionview.h
+++ b/src/qt/transactionview.h
@@ -10,6 +10,7 @@
 #include <QWidget>
 #include <QKeyEvent>
 
+class PlatformStyle;
 class TransactionFilterProxy;
 class WalletModel;
 
@@ -32,7 +33,7 @@ class TransactionView : public QWidget
     Q_OBJECT
 
 public:
-    explicit TransactionView(QWidget *parent = 0);
+    explicit TransactionView(const PlatformStyle *platformStyle, QWidget *parent = 0);
 
     void setModel(WalletModel *model);
 
diff --git a/src/qt/walletframe.cpp b/src/qt/walletframe.cpp
index 892947bf3a..ba8c28464d 100644
--- a/src/qt/walletframe.cpp
+++ b/src/qt/walletframe.cpp
@@ -12,9 +12,10 @@
 #include <QHBoxLayout>
 #include <QLabel>
 
-WalletFrame::WalletFrame(BitcoinGUI *_gui) :
+WalletFrame::WalletFrame(const PlatformStyle *platformStyle, BitcoinGUI *_gui) :
     QFrame(_gui),
-    gui(_gui)
+    gui(_gui),
+    platformStyle(platformStyle)
 {
     // Leave HBox hook for adding a list view later
     QHBoxLayout *walletFrameLayout = new QHBoxLayout(this);
@@ -42,7 +43,7 @@ bool WalletFrame::addWallet(const QString& name, WalletModel *walletModel)
     if (!gui || !clientModel || !walletModel || mapWalletViews.count(name) > 0)
         return false;
 
-    WalletView *walletView = new WalletView(this);
+    WalletView *walletView = new WalletView(platformStyle, this);
     walletView->setBitcoinGUI(gui);
     walletView->setClientModel(clientModel);
     walletView->setWalletModel(walletModel);
diff --git a/src/qt/walletframe.h b/src/qt/walletframe.h
index 5a5e2ab944..9a56e97f9c 100644
--- a/src/qt/walletframe.h
+++ b/src/qt/walletframe.h
@@ -10,6 +10,7 @@
 
 class BitcoinGUI;
 class ClientModel;
+class PlatformStyle;
 class SendCoinsRecipient;
 class WalletModel;
 class WalletView;
@@ -23,7 +24,7 @@ class WalletFrame : public QFrame
     Q_OBJECT
 
 public:
-    explicit WalletFrame(BitcoinGUI *_gui = 0);
+    explicit WalletFrame(const PlatformStyle *platformStyle, BitcoinGUI *_gui = 0);
     ~WalletFrame();
 
     void setClientModel(ClientModel *clientModel);
@@ -45,6 +46,8 @@ private:
 
     bool bOutOfSync;
 
+    const PlatformStyle *platformStyle;
+
     WalletView *currentWalletView();
 
 public Q_SLOTS:
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 7820047b6b..f580853732 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -27,7 +27,7 @@
 
 #include <boost/foreach.hpp>
 
-WalletModel::WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *parent) :
+WalletModel::WalletModel(const PlatformStyle *platformStyle, CWallet *wallet, OptionsModel *optionsModel, QObject *parent) :
     QObject(parent), wallet(wallet), optionsModel(optionsModel), addressTableModel(0),
     transactionTableModel(0),
     recentRequestsTableModel(0),
@@ -39,7 +39,7 @@ WalletModel::WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *p
     fForceCheckBalanceChanged = false;
 
     addressTableModel = new AddressTableModel(wallet, this);
-    transactionTableModel = new TransactionTableModel(wallet, this);
+    transactionTableModel = new TransactionTableModel(platformStyle, wallet, this);
     recentRequestsTableModel = new RecentRequestsTableModel(wallet, this);
 
     // This timer will be fired repeatedly to update the balance
diff --git a/src/qt/walletmodel.h b/src/qt/walletmodel.h
index 40bc623543..c29682e4f6 100644
--- a/src/qt/walletmodel.h
+++ b/src/qt/walletmodel.h
@@ -17,6 +17,7 @@
 
 class AddressTableModel;
 class OptionsModel;
+class PlatformStyle;
 class RecentRequestsTableModel;
 class TransactionTableModel;
 class WalletModelTransaction;
@@ -100,7 +101,7 @@ class WalletModel : public QObject
     Q_OBJECT
 
 public:
-    explicit WalletModel(CWallet *wallet, OptionsModel *optionsModel, QObject *parent = 0);
+    explicit WalletModel(const PlatformStyle *platformStyle, CWallet *wallet, OptionsModel *optionsModel, QObject *parent = 0);
     ~WalletModel();
 
     enum StatusCode // Returned by sendCoins
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
index c5f556b444..fa96f62e03 100644
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -11,8 +11,8 @@
 #include "guiutil.h"
 #include "optionsmodel.h"
 #include "overviewpage.h"
+#include "platformstyle.h"
 #include "receivecoinsdialog.h"
-#include "scicon.h"
 #include "sendcoinsdialog.h"
 #include "signverifymessagedialog.h"
 #include "transactiontablemodel.h"
@@ -29,31 +29,32 @@
 #include <QPushButton>
 #include <QVBoxLayout>
 
-WalletView::WalletView(QWidget *parent):
+WalletView::WalletView(const PlatformStyle *platformStyle, QWidget *parent):
     QStackedWidget(parent),
     clientModel(0),
-    walletModel(0)
+    walletModel(0),
+    platformStyle(platformStyle)
 {
     // Create tabs
-    overviewPage = new OverviewPage();
+    overviewPage = new OverviewPage(platformStyle);
 
     transactionsPage = new QWidget(this);
     QVBoxLayout *vbox = new QVBoxLayout();
     QHBoxLayout *hbox_buttons = new QHBoxLayout();
-    transactionView = new TransactionView(this);
+    transactionView = new TransactionView(platformStyle, this);
     vbox->addWidget(transactionView);
     QPushButton *exportButton = new QPushButton(tr("&Export"), this);
     exportButton->setToolTip(tr("Export the data in the current tab to a file"));
-#ifndef Q_OS_MAC // Icons on push buttons are very uncommon on Mac
-    exportButton->setIcon(SingleColorIcon(":/icons/export"));
-#endif
+    if (platformStyle->getImagesOnButtons()) {
+        exportButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));
+    }
     hbox_buttons->addStretch();
     hbox_buttons->addWidget(exportButton);
     vbox->addLayout(hbox_buttons);
     transactionsPage->setLayout(vbox);
 
-    receiveCoinsPage = new ReceiveCoinsDialog();
-    sendCoinsPage = new SendCoinsDialog();
+    receiveCoinsPage = new ReceiveCoinsDialog(platformStyle);
+    sendCoinsPage = new SendCoinsDialog(platformStyle);
 
     addWidget(overviewPage);
     addWidget(transactionsPage);
@@ -182,7 +183,7 @@ void WalletView::gotoSendCoinsPage(QString addr)
 void WalletView::gotoSignMessageTab(QString addr)
 {
     // calls show() in showTab_SM()
-    SignVerifyMessageDialog *signVerifyMessageDialog = new SignVerifyMessageDialog(this);
+    SignVerifyMessageDialog *signVerifyMessageDialog = new SignVerifyMessageDialog(platformStyle, this);
     signVerifyMessageDialog->setAttribute(Qt::WA_DeleteOnClose);
     signVerifyMessageDialog->setModel(walletModel);
     signVerifyMessageDialog->showTab_SM(true);
@@ -194,7 +195,7 @@ void WalletView::gotoSignMessageTab(QString addr)
 void WalletView::gotoVerifyMessageTab(QString addr)
 {
     // calls show() in showTab_VM()
-    SignVerifyMessageDialog *signVerifyMessageDialog = new SignVerifyMessageDialog(this);
+    SignVerifyMessageDialog *signVerifyMessageDialog = new SignVerifyMessageDialog(platformStyle, this);
     signVerifyMessageDialog->setAttribute(Qt::WA_DeleteOnClose);
     signVerifyMessageDialog->setModel(walletModel);
     signVerifyMessageDialog->showTab_VM(true);
@@ -272,7 +273,7 @@ void WalletView::usedSendingAddresses()
 {
     if(!walletModel)
         return;
-    AddressBookPage *dlg = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::SendingTab, this);
+    AddressBookPage *dlg = new AddressBookPage(platformStyle, AddressBookPage::ForEditing, AddressBookPage::SendingTab, this);
     dlg->setAttribute(Qt::WA_DeleteOnClose);
     dlg->setModel(walletModel->getAddressTableModel());
     dlg->show();
@@ -282,7 +283,7 @@ void WalletView::usedReceivingAddresses()
 {
     if(!walletModel)
         return;
-    AddressBookPage *dlg = new AddressBookPage(AddressBookPage::ForEditing, AddressBookPage::ReceivingTab, this);
+    AddressBookPage *dlg = new AddressBookPage(platformStyle, AddressBookPage::ForEditing, AddressBookPage::ReceivingTab, this);
     dlg->setAttribute(Qt::WA_DeleteOnClose);
     dlg->setModel(walletModel->getAddressTableModel());
     dlg->show();
diff --git a/src/qt/walletview.h b/src/qt/walletview.h
index 87c5d7bfbf..f97cf1ee80 100644
--- a/src/qt/walletview.h
+++ b/src/qt/walletview.h
@@ -12,6 +12,7 @@
 class BitcoinGUI;
 class ClientModel;
 class OverviewPage;
+class PlatformStyle;
 class ReceiveCoinsDialog;
 class SendCoinsDialog;
 class SendCoinsRecipient;
@@ -34,7 +35,7 @@ class WalletView : public QStackedWidget
     Q_OBJECT
 
 public:
-    explicit WalletView(QWidget *parent);
+    explicit WalletView(const PlatformStyle *platformStyle, QWidget *parent);
     ~WalletView();
 
     void setBitcoinGUI(BitcoinGUI *gui);
@@ -64,6 +65,7 @@ private:
     TransactionView *transactionView;
 
     QProgressDialog *progressDialog;
+    const PlatformStyle *platformStyle;
 
 public Q_SLOTS:
     /** Switch to overview (home) page */