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>

4 files changed, 21 insertions, 1 deletions

diff --git a/src/libs/installer/constants.h b/src/libs/installer/constants.h
index df31a2cd8..ea6d1334c 100644
--- a/src/libs/installer/constants.h
+++ b/src/libs/installer/constants.h
@@ -84,6 +84,7 @@ static const QLatin1String scAllowNonAsciiCharacters("AllowNonAsciiCharacters");
 static const QLatin1String scRepositorySettingsPageVisible("RepositorySettingsPageVisible");
 static const QLatin1String scAllowSpaceInPath("AllowSpaceInPath");
 static const QLatin1String scWizardStyle("WizardStyle");
+static const QLatin1String scStyleSheet("StyleSheet");
 static const QLatin1String scTitleColor("TitleColor");
 static const QLatin1String scWizardDefaultWidth("WizardDefaultWidth");
 static const QLatin1String scWizardDefaultHeight("WizardDefaultHeight");
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);
 
diff --git a/src/libs/installer/settings.cpp b/src/libs/installer/settings.cpp
index 94adbf8af..9d9eb9574 100644
--- a/src/libs/installer/settings.cpp
+++ b/src/libs/installer/settings.cpp
@@ -255,7 +255,7 @@ Settings Settings::fromFileAndPrefix(const QString &path, const QString &prefix,
                 << scStartMenuDir << scMaintenanceToolName << scMaintenanceToolIniFile << scRemoveTargetDir
                 << scRunProgram << scRunProgramArguments << scRunProgramDescription
                 << scDependsOnLocalInstallerBinary
-                << scAllowSpaceInPath << scAllowNonAsciiCharacters << scWizardStyle << scTitleColor
+                << scAllowSpaceInPath << scAllowNonAsciiCharacters << scWizardStyle << scStyleSheet << scTitleColor
                 << scWizardDefaultWidth << scWizardDefaultHeight
                 << scRepositorySettingsPageVisible << scTargetConfigurationFile
                 << scRemoteRepositories << scTranslations << QLatin1String(scControlScript)
@@ -382,6 +382,11 @@ QString Settings::wizardStyle() const
     return d->m_data.value(scWizardStyle).toString();
 }
 
+QString Settings::styleSheet() const
+{
+    return d->absolutePathFromKey(scStyleSheet);
+}
+
 QString Settings::titleColor() const
 {
     return d->m_data.value(scTitleColor).toString();
diff --git a/src/libs/installer/settings.h b/src/libs/installer/settings.h
index 96c2ba450..17ae53a7f 100644
--- a/src/libs/installer/settings.h
+++ b/src/libs/installer/settings.h
@@ -89,6 +89,7 @@ public:
     QString installerWindowIcon() const;
     QString systemIconSuffix() const;
     QString wizardStyle() const;
+    QString styleSheet() const;
     QString titleColor() const;
     int wizardDefaultWidth() const;
     int wizardDefaultHeight() const;