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Fix REG_APP_DIR to support jpackage application launchers #1528

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Fix REG_APP_DIR to support jpackage application launchers #1528

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e4012e2
Fix association problem in Windows
tutimura-kg Jun 19, 2026
1d71bbc
Fix comment
tutimura-kg Jun 19, 2026
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25 changes: 23 additions & 2 deletions app/src/processing/app/platform/WindowsPlatform.java
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Original file line number Diff line number Diff line change
Expand Up @@ -111,8 +111,29 @@ boolean register() throws UnsupportedEncodingException {
// { Base.CONTRIB_BUNDLE_EXT, "Processing Contribution Bundle" }
// };

static final String REG_APP_DIR =
System.getProperty("user.dir").replace('/', '\\');
static boolean exeFileExists(File folder) {
File exeFile = new File(folder, APP_NAME.toLowerCase() + ".exe");
return exeFile.exists();
}

static String getRegAppDir() {
try {
// Get the JAR file containing this class (WindowsPlatform)
File jarFile = new File(WindowsPlatform.class.getProtectionDomain().
getCodeSource().getLocation().toURI());
// Get the JAR folder ("app" in the standard jpackage layout)
File jarDir = jarFile.getParentFile();
// Get the processing.exe folder (parent of "app" in the standard layout)
File exeDir = jarDir.getParentFile();

if (exeFileExists(exeDir)) return exeDir.getAbsolutePath(); // standard folder layout
if (exeFileExists(jarDir)) return jarDir.getAbsolutePath(); // if exe and jar is in same folder
} catch (java.net.URISyntaxException e) {
}
return System.getProperty("user.dir"); // processing.exe not found
}

static final String REG_APP_DIR = getRegAppDir().replace('/', '\\');
static final String REG_OPEN_COMMAND =
REG_APP_DIR + "\\" + APP_NAME.toLowerCase() + ".exe \"%1\"";
static final String[] APP_SCHEMES = { "pde" }; // use pde://
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