X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a83f860948059b0273b5cc6d9e43fadad3ebfca..f050bdbd5b69ed1a6752102f0c4c13bc7cb4ed3c:/src/unix/stdpaths.cpp?ds=sidebyside

diff --git a/src/unix/stdpaths.cpp b/src/unix/stdpaths.cpp
index a3ff34dff4..64ac00cc22 100644
--- a/src/unix/stdpaths.cpp
+++ b/src/unix/stdpaths.cpp
@@ -29,6 +29,7 @@
 #include "wx/stdpaths.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/app.h"
     #include "wx/wxcrt.h"
     #include "wx/utils.h"
 #endif //WX_PRECOMP
@@ -191,6 +192,20 @@ wxString wxStandardPaths::GetConfigDir() const
 
 wxString wxStandardPaths::GetDataDir() const
 {
+    // allow to override the location of the data directory by setting
+    // WX_APPNAME_DATA_DIR environment variable: this is very useful in
+    // practice for running well-written (and so using wxStandardPaths to find
+    // their files) wx applications without installing them
+    static const wxString
+      envOverride(
+        getenv(
+            ("WX_" + wxTheApp->GetAppName().Upper() + "_DATA_DIR").c_str()
+        )
+      );
+
+    if ( !envOverride.empty() )
+        return envOverride;
+
    return AppendAppInfo(GetInstallPrefix() + wxT("/share"));
 }