1 files changed, 175 insertions, 0 deletions
diff --git a/src/plugins/platforms/windows/qwindowstheme.cpp b/src/plugins/platforms/windows/qwindowstheme.cpp
index 73cff3c9ce..a59b74cef3 100644
--- a/src/plugins/platforms/windows/qwindowstheme.cpp
+++ b/src/plugins/platforms/windows/qwindowstheme.cpp
@@ -42,12 +42,126 @@
 #include "qwindowstheme.h"
 #include "qwindowsdialoghelpers.h"
 #include "qwindowscontext.h"
+#include "qwindowsintegration.h"
 #include "qt_windows.h"
 
 #include <QtCore/QVariant>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+#include <QtCore/QSysInfo>
+#include <QtGui/QPalette>
+#include <QtGui/QGuiApplication>
 
 QT_BEGIN_NAMESPACE
 
+static inline QTextStream& operator<<(QTextStream &str, const QColor &c)
+{
+    str.setIntegerBase(16);
+    str.setFieldWidth(2);
+    str.setPadChar(QLatin1Char('0'));
+    str << " rgb: #" << c.red()  << c.green() << c.blue();
+    str.setIntegerBase(10);
+    str.setFieldWidth(0);
+    return str;
+}
+
+static inline QString paletteToString(const QPalette &palette)
+{
+    QString result;
+    QTextStream str(&result);
+    str << "text=" << palette.color(QPalette::WindowText)
+        << " background=" << palette.color(QPalette::Window);
+    return result;
+}
+
+static inline QColor mixColors(const QColor &c1, const QColor &c2)
+{
+    return QColor ((c1.red() + c2.red()) / 2,
+                   (c1.green() + c2.green()) / 2,
+                   (c1.blue() + c2.blue()) / 2);
+}
+
+static inline QColor getSysColor(int index)
+{
+    return qColorToCOLORREF(GetSysColor(index));
+}
+
+static inline QPalette systemPalette()
+{
+    QPalette result;
+    result.setColor(QPalette::WindowText, getSysColor(COLOR_WINDOWTEXT));
+    result.setColor(QPalette::Button, getSysColor(COLOR_BTNFACE));
+    result.setColor(QPalette::Light, getSysColor(COLOR_BTNHIGHLIGHT));
+    result.setColor(QPalette::Dark, getSysColor(COLOR_BTNSHADOW));
+    result.setColor(QPalette::Mid, result.button().color().darker(150));
+    result.setColor(QPalette::Text, getSysColor(COLOR_WINDOWTEXT));
+    result.setColor(QPalette::BrightText, getSysColor(COLOR_BTNHIGHLIGHT));
+    result.setColor(QPalette::Base, getSysColor(COLOR_WINDOW));
+    result.setColor(QPalette::Window, getSysColor(COLOR_BTNFACE));
+    result.setColor(QPalette::ButtonText, getSysColor(COLOR_BTNTEXT));
+    result.setColor(QPalette::Midlight, getSysColor(COLOR_3DLIGHT));
+    result.setColor(QPalette::Shadow, getSysColor(COLOR_3DDKSHADOW));
+    result.setColor(QPalette::Highlight, getSysColor(COLOR_HIGHLIGHT));
+    result.setColor(QPalette::HighlightedText, getSysColor(COLOR_HIGHLIGHTTEXT));
+    result.setColor(QPalette::Link, Qt::blue);
+    result.setColor(QPalette::LinkVisited, Qt::magenta);
+    result.setColor(QPalette::Inactive, QPalette::Button, result.button().color());
+    result.setColor(QPalette::Inactive, QPalette::Window, result.background().color());
+    result.setColor(QPalette::Inactive, QPalette::Light, result.light().color());
+    result.setColor(QPalette::Inactive, QPalette::Dark, result.dark().color());
+
+    if (result.midlight() == result.button())
+        result.setColor(QPalette::Midlight, result.button().color().lighter(110));
+    if (result.background() != result.base()) {
+        result.setColor(QPalette::Inactive, QPalette::Highlight, result.color(QPalette::Inactive, QPalette::Window));
+        result.setColor(QPalette::Inactive, QPalette::HighlightedText, result.color(QPalette::Inactive, QPalette::Text));
+    }
+
+    const QColor disabled =
+        mixColors(result.foreground().color(), result.button().color());
+
+    result.setColorGroup(QPalette::Disabled, result.foreground(), result.button(),
+                         result.light(), result.dark(), result.mid(),
+                         result.text(), result.brightText(), result.base(),
+                         result.background());
+    result.setColor(QPalette::Disabled, QPalette::WindowText, disabled);
+    result.setColor(QPalette::Disabled, QPalette::Text, disabled);
+    result.setColor(QPalette::Disabled, QPalette::ButtonText, disabled);
+    result.setColor(QPalette::Disabled, QPalette::Highlight,
+                    getSysColor(COLOR_HIGHLIGHT));
+    result.setColor(QPalette::Disabled, QPalette::HighlightedText,
+                    getSysColor(COLOR_HIGHLIGHTTEXT));
+    result.setColor(QPalette::Disabled, QPalette::Base,
+                    result.background().color());
+    return result;
+}
+
+QPalette toolTipPalette(const QPalette &systemPalette)
+{
+    QPalette result(systemPalette);
+    const QColor tipBgColor(getSysColor(COLOR_INFOBK));
+    const QColor tipTextColor(getSysColor(COLOR_INFOTEXT));
+
+    result.setColor(QPalette::All, QPalette::Button, tipBgColor);
+    result.setColor(QPalette::All, QPalette::Window, tipBgColor);
+    result.setColor(QPalette::All, QPalette::Text, tipTextColor);
+    result.setColor(QPalette::All, QPalette::WindowText, tipTextColor);
+    result.setColor(QPalette::All, QPalette::ButtonText, tipTextColor);
+    result.setColor(QPalette::All, QPalette::Button, tipBgColor);
+    result.setColor(QPalette::All, QPalette::Window, tipBgColor);
+    result.setColor(QPalette::All, QPalette::Text, tipTextColor);
+    result.setColor(QPalette::All, QPalette::WindowText, tipTextColor);
+    result.setColor(QPalette::All, QPalette::ButtonText, tipTextColor);
+    const QColor disabled =
+        mixColors(result.foreground().color(), result.button().color());
+    result.setColor(QPalette::Disabled, QPalette::WindowText, disabled);
+    result.setColor(QPalette::Disabled, QPalette::Text, disabled);
+    result.setColor(QPalette::Disabled, QPalette::Base, Qt::white);
+    result.setColor(QPalette::Disabled, QPalette::BrightText, Qt::white);
+    return result;
+}
+
 static inline bool booleanSystemParametersInfo(UINT what, bool defaultValue)
 {
     BOOL result;
@@ -66,11 +180,53 @@ static inline bool dWordSystemParametersInfo(UINT what, DWORD defaultValue)
 
 QWindowsTheme::QWindowsTheme()
 {
+    qFill(m_palettes, m_palettes + NPalettes, static_cast<QPalette *>(0));
+    refresh();
+}
+
+QWindowsTheme::~QWindowsTheme()
+{
+    clearPalettes();
+}
+
+void QWindowsTheme::clearPalettes()
+{
+    qDeleteAll(m_palettes, m_palettes + NPalettes);
+    qFill(m_palettes, m_palettes + NPalettes, static_cast<QPalette *>(0));
+}
+
+QWindowsTheme *QWindowsTheme::instance()
+{
+    return static_cast<QWindowsTheme *>(QWindowsIntegration::instance()->platformTheme());
+}
+
+static inline QStringList iconThemeSearchPaths()
+{
+    const QFileInfo appDir(QCoreApplication::applicationDirPath() + QStringLiteral("/icons"));
+    return appDir.isDir() ? QStringList(appDir.absoluteFilePath()) : QStringList();
+}
+
+static inline QStringList styleNames()
+{
+    QStringList result;
+    if (QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)
+        result.append(QStringLiteral("WindowsVista"));
+    if (QSysInfo::WindowsVersion >= QSysInfo::WV_XP)
+        result.append(QStringLiteral("WindowsXP"));
+    result.append(QStringLiteral("Windows"));
+    return result;
 }
 
 QVariant QWindowsTheme::themeHint(ThemeHint hint) const
 {
     switch (hint) {
+    case SystemIconThemeName:
+        break;
+    case IconThemeSearchPaths:
+        return QVariant(iconThemeSearchPaths());
+        break;
+    case StyleNames:
+        return QVariant(styleNames());
     case TextCursorWidth:
         return QVariant(int(dWordSystemParametersInfo(SPI_GETCARETWIDTH, 1u)));
     case DropShadow:
@@ -81,6 +237,19 @@ QVariant QWindowsTheme::themeHint(ThemeHint hint) const
     return QVariant();
 }
 
+void QWindowsTheme::refresh()
+{
+    clearPalettes();
+    if (QGuiApplication::desktopSettingsAware()) {
+        m_palettes[SystemPalette] = new QPalette(systemPalette());
+        m_palettes[ToolTipPalette] = new QPalette(toolTipPalette(*m_palettes[SystemPalette]));
+        if (QWindowsContext::verboseTheming)
+            qDebug() << __FUNCTION__ << '\n'
+                     << "  system=" << paletteToString(*m_palettes[SystemPalette])
+                     << "  tooltip=" << paletteToString(*m_palettes[ToolTipPalette]);
+    }
+}
+
 bool QWindowsTheme::usePlatformNativeDialog(DialogType type) const
 {
     return QWindowsDialogs::useHelper(type);
@@ -91,4 +260,10 @@ QPlatformDialogHelper *QWindowsTheme::createPlatformDialogHelper(DialogType type
     return QWindowsDialogs::createHelper(type);
 }
 
+void QWindowsTheme::windowsThemeChanged(QWindow * /* window */)
+{
+    refresh();
+    // QWindowSystemInterface::handleThemeChange(window);
+}
+
 QT_END_NAMESPACE