[plasmalnf] Replace hard-coded path with configurable one

src/modules/plasmalnf/PlasmaLnfInfo.cpp

@@ -120,9 +120,21 @@ QStringList plasma_themes()
     return l;
 }
 
+static QString *p_lnfPath = nullptr;
+
 QString lnftool()
 {
-    return "/home/adridg/bin/lookandfeeltool";
+    if ( !p_lnfPath )
+        p_lnfPath = new QString("/usr/bin/lookandfeeltool");
+
+    return *p_lnfPath;
+}
+
+void set_lnftool( const QString& lnfPath )
+{
+    if (p_lnfPath)
+        delete p_lnfPath;
+    p_lnfPath = new QString( lnfPath );
 }
 
 }  // namespace Calamares

src/modules/plasmalnf/PlasmaLnfInfo.h

@@ -19,11 +19,13 @@
 #ifndef PLASMALNFINFO_H
 #define PLASMALNFINFO_H
 
+#include <QString>
 #include <QStringList>
 
 namespace Calamares
 {
 QString lnftool();
+void set_lnftool( const QString& );
 
     /* Internal */
 QStringList themes_by_package();

src/modules/plasmalnf/PlasmaLnfJob.cpp

@@ -36,8 +36,9 @@
 
 #include "utils/Logger.h"
 
-PlasmaLnfJob::PlasmaLnfJob( const QString& id )
-    : m_id(id)
+PlasmaLnfJob::PlasmaLnfJob( const QString& lnfPath, const QString& id )
+    : m_lnfPath( lnfPath )
+    , m_id(id)
 {
 }
 

src/modules/plasmalnf/PlasmaLnfJob.h

@@ -29,7 +29,7 @@ class PlasmaLnfJob : public Calamares::Job
     Q_OBJECT
 
 public:
-    explicit PlasmaLnfJob( const QString& id );
+    explicit PlasmaLnfJob( const QString& lnfPath, const QString& id );
     virtual ~PlasmaLnfJob() override;
 
     QString prettyName() const override;
@@ -39,6 +39,7 @@ public:
     Calamares::JobResult exec() override;
 
 private:
+    QString m_lnfPath;
     QString m_id;
 };
 

src/modules/plasmalnf/PlasmaLnfViewStep.cpp

@@ -22,6 +22,7 @@
 #include "utils/CalamaresUtils.h"
 #include "utils/CalamaresUtilsSystem.h"
 
+#include "PlasmaLnfInfo.h"
 #include "PlasmaLnfJob.h"
 #include "PlasmaLnfPage.h"
 #include "PlasmaLnfViewStep.h"
@@ -112,9 +113,9 @@ PlasmaLnfViewStep::jobs() const
     Calamares::JobList l;
 
     cDebug() << "Creating Plasma LNF jobs ..";
-    if ( !m_themeId.isEmpty() )
+    if ( !m_themeId.isEmpty() && !m_lnfPath.isEmpty() )
     {
-        l.append( Calamares::job_ptr( new PlasmaLnfJob( m_themeId ) ) );
+        l.append( Calamares::job_ptr( new PlasmaLnfJob( m_lnfPath, m_themeId ) ) );
     }
     return l;
 }
@@ -123,6 +124,11 @@ PlasmaLnfViewStep::jobs() const
 void
 PlasmaLnfViewStep::setConfigurationMap( const QVariantMap& configurationMap )
 {
+    m_lnfPath = CalamaresUtils::getString( configurationMap, "lnftool" );
+    Calamares::set_lnftool( m_lnfPath );
+
+    if (m_lnfPath.isEmpty())
+        cDebug() << "WARNING: no lnftool given for plasmalnf module.";
 }
 
 void

src/modules/plasmalnf/PlasmaLnfViewStep.h

@@ -61,6 +61,7 @@ public slots:
 
 private:
     PlasmaLnfPage* m_widget;
+    QString m_lnfPath;
     QString m_themeId;
 };
 

src/modules/plasmalnf/plasmalnf.conf

@@ -1,2 +1,4 @@
---
-# PlasmaLnf module has no configuration
+---
+# Full path to the Plasma look-and-feel tool (CLI program
+# for querying and applying Plasma themes).
+lnftool:	"/usr/bin/lookandfeeltool"