From 9f14dc661e7cdac5435cf1463b1a595ea519fea2 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=B8rgen=20Lind?= <jorgen.lind@nokia.com>
Date: Wed, 27 Apr 2011 17:29:10 +0200
Subject: [PATCH] Font (cherry picked from commit
 050925ccac957dea3d4e138babdd7aa93925dffc)

---
 src/gui/kernel/qapplication.cpp        | 13 +++++++++++++
 src/gui/kernel/qapplication_p.h        |  2 ++
 src/gui/kernel/qguiapplication_qpa.cpp | 20 ++++++++++++++++++++
 src/gui/kernel/qguiapplication_qpa.h   |  7 ++-----
 src/gui/kernel/qguiapplication_qpa_p.h |  2 ++
 5 files changed, 39 insertions(+), 5 deletions(-)

diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index 8533b39..1316280 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -457,8 +457,10 @@ QGraphicsSystem *QApplicationPrivate::graphics_system = 0; // default graphics s
 QString QApplicationPrivate::graphics_system_name;         // graphics system id - for delayed initialization
 bool QApplicationPrivate::runtime_graphics_system = false;
 
+#ifndef Q_WS_QPA
 Q_GLOBAL_STATIC(QMutex, applicationFontMutex)
 QFont *QApplicationPrivate::app_font = 0;        // default application font
+#endif
 QFont *QApplicationPrivate::sys_font = 0;        // default system font
 QFont *QApplicationPrivate::set_font = 0;        // default font set by programmer
 
@@ -1146,11 +1148,14 @@ QApplication::~QApplication()
     QApplicationPrivate::set_pal = 0;
     app_palettes()->clear();
 
+#ifndef Q_WS_QPA
     {
         QMutexLocker locker(applicationFontMutex());
         delete QApplicationPrivate::app_font;
         QApplicationPrivate::app_font = 0;
     }
+#endif
+
     delete QApplicationPrivate::sys_font;
     QApplicationPrivate::sys_font = 0;
     delete QApplicationPrivate::set_font;
@@ -1940,10 +1945,14 @@ void QApplicationPrivate::setSystemPalette(const QPalette &pal)
 */
 QFont QApplication::font()
 {
+#ifndef Q_WS_QPA
     QMutexLocker locker(applicationFontMutex());
     if (!QApplicationPrivate::app_font)
         QApplicationPrivate::app_font = new QFont(QLatin1String("Helvetica"));
     return *QApplicationPrivate::app_font;
+#else
+    return QGuiApplication::font();
+#endif
 }
 
 /*!
@@ -2022,11 +2031,15 @@ void QApplication::setFont(const QFont &font, const char *className)
     bool all = false;
     FontHash *hash = app_fonts();
     if (!className) {
+#ifndef Q_WS_QPA
         QMutexLocker locker(applicationFontMutex());
         if (!QApplicationPrivate::app_font)
             QApplicationPrivate::app_font = new QFont(font);
         else
             *QApplicationPrivate::app_font = font;
+#else
+        QGuiApplication::setFont(font);
+#endif
         if (hash && hash->size()) {
             all = true;
             hash->clear();
diff --git a/src/gui/kernel/qapplication_p.h b/src/gui/kernel/qapplication_p.h
index 4127048..2b7ec31 100644
--- a/src/gui/kernel/qapplication_p.h
+++ b/src/gui/kernel/qapplication_p.h
@@ -432,7 +432,9 @@ public:
     static bool runtime_graphics_system;
 
 private:
+#ifndef Q_WS_QPA
     static QFont *app_font; // private for a reason! Always use QApplication::font() instead!
+#endif
 public:
     static QFont *sys_font;
     static QFont *set_font;
diff --git a/src/gui/kernel/qguiapplication_qpa.cpp b/src/gui/kernel/qguiapplication_qpa.cpp
index 67ad5a7..df03c44 100644
--- a/src/gui/kernel/qguiapplication_qpa.cpp
+++ b/src/gui/kernel/qguiapplication_qpa.cpp
@@ -47,6 +47,7 @@
 
 #include <QtCore/private/qcoreapplication_p.h>
 #include <QtCore/private/qabstracteventdispatcher_p.h>
+#include <QtCore/qmutex.h>
 #include <QtDebug>
 
 #include <QtGui/QPlatformIntegration>
@@ -92,6 +93,9 @@ QGuiApplicationPrivate *QGuiApplicationPrivate::self = 0;
 QClipboard *QGuiApplicationPrivate::qt_clipboard = 0;
 #endif
 
+Q_GLOBAL_STATIC(QMutex, applicationFontMutex)
+QFont *QGuiApplicationPrivate::app_font = 0;
+
 QGuiApplication::QGuiApplication(int &argc, char **argv, int flags)
     : QCoreApplication(*new QGuiApplicationPrivate(argc, argv, flags))
 {
@@ -738,5 +742,21 @@ QClipboard * QGuiApplication::clipboard()
 }
 #endif
 
+QFont QGuiApplication::font()
+{
+    QMutexLocker locker(applicationFontMutex());
+    if (!QGuiApplicationPrivate::app_font)
+        QGuiApplicationPrivate::app_font = new QFont(QLatin1String("Helvetica"));
+    return *QGuiApplicationPrivate::app_font;
+}
+
+void QGuiApplication::setFont(const QFont &font)
+{
+    QMutexLocker locker(applicationFontMutex());
+    if (!QGuiApplicationPrivate::app_font)
+        QGuiApplicationPrivate::app_font = new QFont(font);
+    else
+        *QGuiApplicationPrivate::app_font = font;
+}
 
 QT_END_NAMESPACE
diff --git a/src/gui/kernel/qguiapplication_qpa.h b/src/gui/kernel/qguiapplication_qpa.h
index 4be4e19..7075107 100644
--- a/src/gui/kernel/qguiapplication_qpa.h
+++ b/src/gui/kernel/qguiapplication_qpa.h
@@ -73,13 +73,10 @@ public:
     static void changeOverrideCursor(const QCursor &);
     static void restoreOverrideCursor();
 #endif
+#endif
 
     static QFont font();
-    static QFont font(const QWidget*);
-    static QFont font(const char *className);
-    static void setFont(const QFont &, const char* className = 0);
-    static QFontMetrics fontMetrics();
-#endif
+    static void setFont(const QFont &);
 
 #ifndef QT_NO_CLIPBOARD
     static QClipboard *clipboard();
diff --git a/src/gui/kernel/qguiapplication_qpa_p.h b/src/gui/kernel/qguiapplication_qpa_p.h
index b3ecd01..d1ea998 100644
--- a/src/gui/kernel/qguiapplication_qpa_p.h
+++ b/src/gui/kernel/qguiapplication_qpa_p.h
@@ -117,6 +117,8 @@ public:
 #ifndef QT_NO_CLIPBOARD
     static QClipboard *qt_clipboard;
 #endif
+
+    static QFont *app_font;
 private:
     void init();
 
-- 
2.7.4