Proton directory discovery

Use search paths to find proton wine and the app directory, so that we can
support steam installations in multiple locations and 3rd party proton
installations.

1 files changed, 19 insertions, 7 deletions

diff --git a/proto-wine/ftnoir_protocol_wine_dialog.cpp b/proto-wine/ftnoir_protocol_wine_dialog.cpp
index b590ee94..76ccfdb5 100644
--- a/proto-wine/ftnoir_protocol_wine_dialog.cpp
+++ b/proto-wine/ftnoir_protocol_wine_dialog.cpp
@@ -1,19 +1,32 @@
 #include "ftnoir_protocol_wine.h"
 #include <QDebug>
+#include <QDir>
+
 #include "api/plugin-api.hpp"
 
-static const char* proton_versions[] = {
-    "5.0", "4.11", "4.2", "3.16", "3.7",
+static const char* proton_paths[] = {
+    "/.steam/steam/steamapps/common",
+    "/.steam/root/compatibilitytools.d",
+    "/.local/share/Steam/steamapps/common",
 };
 
+static const QStringList proton_filter = { "Proton*" };
+
 FTControls::FTControls()
 {
     ui.setupUi(this);
 
-    for (const char* version : proton_versions)
-        ui.proton_version->addItem(version, QVariant{version});
-
-    tie_setting(s.proton_version, ui.proton_version);
+    for (const char* path : proton_paths) {
+        QDir dir(QDir::homePath() + path);
+        dir.setFilter(QDir::Dirs);
+        dir.setNameFilters(proton_filter);
+        QFileInfoList list = dir.entryInfoList();
+        for (int i = 0; i < list.size(); ++i) {
+            QFileInfo fileInfo = list.at(i);
+            ui.proton_version->addItem(fileInfo.fileName(), QVariant{fileInfo.filePath()});
+        }
+    }
+    tie_setting(s.proton_path, ui.proton_version);
     tie_setting(s.variant_wine, ui.variant_wine);
     tie_setting(s.variant_proton, ui.variant_proton);
     tie_setting(s.esync, ui.esync);
@@ -37,4 +50,3 @@ void FTControls::doCancel()
     s.b->reload();
     close();
 }
-