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System File Chooser: implemented native bindings for NSOpenPanel and NSSavePanel on macOS

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This commit is contained in:
Karl Tauber
2024-12-30 12:46:28 +01:00
parent 80ba75fdeb
commit 516bd80702
8 changed files with 941 additions and 4 deletions
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35
flatlaf-natives/flatlaf-natives-macos/src/main/objcpp/JNIUtils.mm
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@@ -75,3 +75,38 @@ jmethodID getMethodID( JNIEnv *env, jclass cls, const char* methodName, const ch
return methodID;
}
NSString* JavaToNSString( JNIEnv *env, jstring javaString ) {
if( javaString == NULL )
return NULL;
int len = env->GetStringLength( javaString );
const jchar* chars = env->GetStringChars( javaString, NULL );
if( chars == NULL )
return NULL;
NSString* nsString = [NSString stringWithCharacters:(unichar*)chars length:len];
env->ReleaseStringChars( javaString, chars );
return nsString;
}
jstring NSToJavaString( JNIEnv *env, NSString *nsString ) {
if( nsString == NULL )
return NULL;
jsize len = [nsString length];
unichar* buffer = (unichar*) calloc( len, sizeof( unichar ) );
if( buffer == NULL )
return NULL;
[nsString getCharacters:buffer];
jstring javaString = env->NewString( buffer, len );
free( buffer );
return javaString;
}
jstring NormalizedPathJavaFromNSString( JNIEnv* env, NSString *nsString ) {
return (nsString != NULL)
? NSToJavaString( env, [nsString precomposedStringWithCanonicalMapping] )
: NULL;
}