Allow to use the stylesheet to customize UI

Now it is possible to set a stylesheet file to customize
the wizard's UI. The stylesheet adds to the config.xml
file using the new "StyleSheet" element.

Change-Id: I66271f755a0f742e96cf433fe557423a2261e432
Reviewed-by: Iikka Eklund <iikka.eklund@theqtcompany.com>
Reviewed-by: Leena Miettinen <riitta-leena.miettinen@theqtcompany.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/src/libs/installer/packagemanagergui.cpp b/src/libs/installer/packagemanagergui.cpp
index 85bf4e1f0..df1a008ba 100644
--- a/src/libs/installer/packagemanagergui.cpp
+++ b/src/libs/installer/packagemanagergui.cpp
@@ -318,6 +318,19 @@ PackageManagerGui::PackageManagerGui(PackageManagerCore *core, QWidget *parent)
     if (!m_core->settings().wizardStyle().isEmpty())
         setWizardStyle(getStyle(m_core->settings().wizardStyle()));
 
+    // set custom stylesheet
+    const QString styleSheetFile = m_core->settings().styleSheet();
+    if (!styleSheetFile.isEmpty()
+            && QFileInfo::exists(styleSheetFile)) {
+        QFile sheet(styleSheetFile);
+        if (sheet.open(QIODevice::ReadOnly))
+            setStyleSheet(QString::fromLatin1(sheet.readAll()));
+        else
+            qWarning() << "The specified style sheet file can not be opened.";
+    } else {
+        qWarning() << "A style sheet file is specified, but it does not exist.";
+    }
+
     setOption(QWizard::NoBackButtonOnStartPage);
     setOption(QWizard::NoBackButtonOnLastPage);