From 94723e27adf04eb62b3cdb40ead503ee5f40cab4 Mon Sep 17 00:00:00 2001
From: Janne Pulkkinen <jannepulk@gmail.com>
Date: Sat, 3 Sep 2011 20:05:54 +0300
Subject: [PATCH] Pull request #21: windows fixes/cleanup by Matoking

---
 src/qt/bitcoin.cpp    | 19 ----------------
 src/qt/bitcoingui.cpp | 53 +++++++++++++++++++++++++++++++++++++++++--
 src/qt/bitcoingui.h   |  2 ++
 3 files changed, 53 insertions(+), 21 deletions(-)

diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 6f4815758..daba512ad 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -5,7 +5,6 @@
 #include "clientmodel.h"
 #include "walletmodel.h"
 #include "optionsmodel.h"
-#include "qtwin.h"
 
 #include "headers.h"
 #include "init.h"
@@ -150,24 +149,6 @@ int main(int argc, char *argv[])
                 window.setClientModel(&clientModel);
                 window.setWalletModel(&walletModel);
 
-                if (QtWin::isCompositionEnabled())
-                {
-#ifdef Q_OS_WIN
-                    // Windows-specific customization
-                    window.setAttribute(Qt::WA_TranslucentBackground);
-                    window.setAttribute(Qt::WA_NoSystemBackground, false);
-                    QPalette pal = window.palette();
-                    QColor bg = pal.window().color();
-                    bg.setAlpha(0);
-                    pal.setColor(QPalette::Window, bg);
-                    window.setPalette(pal);
-                    window.ensurePolished();
-                    window.setAttribute(Qt::WA_StyledBackground, false);
-#endif
-                    QtWin::extendFrameIntoClientArea(&window);
-                    window.setContentsMargins(0, 0, 0, 0);
-                }
-
                 window.show();
 
                 app.exec();
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 95646b1df..6d8060d17 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -21,6 +21,7 @@
 #include "guiconstants.h"
 #include "askpassphrasedialog.h"
 #include "notificator.h"
+#include "qtwin.h"
 
 #include <QApplication>
 #include <QMainWindow>
@@ -159,6 +160,16 @@ BitcoinGUI::BitcoinGUI(QWidget *parent):
     // Doubleclicking on a transaction on the transaction history page shows details
     connect(transactionView, SIGNAL(doubleClicked(QModelIndex)), transactionView, SLOT(showDetails()));
 
+#ifdef Q_OS_WIN
+    // Windows-specific customization
+    if (QtWin::isCompositionEnabled())
+    {
+        QtWin::extendFrameIntoClientArea(&window);
+        window.setContentsMargins(0, 0, 0, 0);
+    }
+#endif
+    setWindowComposition();
+
     gotoOverviewPage();
 }
 
@@ -216,7 +227,7 @@ void BitcoinGUI::createActions()
     connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
     connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutClicked()));
-    connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(show()));
+    connect(openBitcoinAction, SIGNAL(triggered()), this, SLOT(showNormal()));
     connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
     connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
 }
@@ -297,9 +308,10 @@ void BitcoinGUI::trayIconActivated(QSystemTrayIcon::ActivationReason reason)
 {
     if(reason == QSystemTrayIcon::Trigger)
     {
-        // Doubleclick on system tray icon triggers "open bitcoin"
+        // Click on system tray icon triggers "open bitcoin"
         openBitcoinAction->trigger();
     }
+
 }
 
 void BitcoinGUI::optionsClicked()
@@ -414,10 +426,12 @@ void BitcoinGUI::changeEvent(QEvent *e)
             }
             else
             {
+                show();
                 e->accept();
             }
         }
     }
+    setWindowComposition();
     QMainWindow::changeEvent(e);
 }
 
@@ -431,6 +445,41 @@ void BitcoinGUI::closeEvent(QCloseEvent *event)
     QMainWindow::closeEvent(event);
 }
 
+void BitcoinGUI::setWindowComposition()
+{
+#ifdef Q_OS_WIN
+    // Make the background transparent on Windows Vista or 7, except when maximized
+    // Otherwise text becomes hard to read
+    if (QtWin::isCompositionEnabled())
+    {
+        QPalette pal = palette();
+        QColor bg = pal.window().color();
+        if(isMaximized())
+        {
+            setAttribute(Qt::WA_TranslucentBackground, false);
+            setAttribute(Qt::WA_StyledBackground, true);
+            QBrush wb = pal.window();
+            bg = wb.color();
+            bg.setAlpha(255);
+            pal.setColor(QPalette::Window, bg);
+            setPalette(pal);
+
+        }
+        else
+        {
+            setAttribute(Qt::WA_TranslucentBackground);
+            setAttribute(Qt::WA_StyledBackground, false);
+            bg.setAlpha(0);
+            pal.setColor(QPalette::Window, bg);
+            setPalette(pal);
+            setAttribute(Qt::WA_NoSystemBackground, false);
+            ensurePolished();
+            setAttribute(Qt::WA_StyledBackground, false);
+        }
+    }
+#endif
+}
+
 void BitcoinGUI::askFee(qint64 nFeeRequired, bool *payFee)
 {
     QString strMessage =
diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index 59661350c..97af431f4 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -99,6 +99,8 @@ public slots:
     */
     void askFee(qint64 nFeeRequired, bool *payFee);
 
+    void setWindowComposition();
+
 private slots:
     // UI pages
     void gotoOverviewPage();