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implement file chooser using GtkFileChooserNative

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This commit is contained in:
Julian Winkler
2024-03-16 18:14:46 +01:00
parent 276b5ca7ef
commit 6513195b9e
7 changed files with 136 additions and 13 deletions
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56
src/api-impl-jni/app/android_app_Activity.c
View File

@@ -177,3 +177,59 @@ JNIEXPORT void JNICALL Java_android_app_Activity_nativeOpenURI(JNIEnv *env, jcla
}
extern GtkWindow *window; // TODO: get this in a better way
struct filechooser_callback_data { jobject activity; jint request_code; };
#define RESULT_OK -1
#define RESULT_CANCELED 0
static void on_filechooser_response(GtkNativeDialog *native, int response, struct filechooser_callback_data *data)
{
JNIEnv *env = get_jni_env();
jmethodID fileChooserResultCallback = _METHOD(handle_cache.activity.class, "fileChooserResultCallback", "(IIILjava/lang/String;)V");
GtkFileChooser *chooser = GTK_FILE_CHOOSER(native);
GtkFileChooserAction action = gtk_file_chooser_get_action(chooser);
if (response == GTK_RESPONSE_ACCEPT) {
GFile *file = gtk_file_chooser_get_file(chooser);
char *uri = g_file_get_uri(file);
(*env)->CallVoidMethod(env, data->activity, fileChooserResultCallback, data->request_code, RESULT_OK, action, _JSTRING(uri));
if ((*env)->ExceptionCheck(env))
(*env)->ExceptionDescribe(env);
g_free(uri);
g_object_unref(file);
} else {
(*env)->CallVoidMethod(env, data->activity, fileChooserResultCallback, data->request_code, RESULT_CANCELED, action, NULL);
}
g_object_unref(native);
_UNREF(data->activity);
free(data);
}
JNIEXPORT void JNICALL Java_android_app_Activity_nativeFileChooser(JNIEnv *env, jobject this, jint action, jstring type_jstring, jstring filename_jstring, jint request_code)
{
const char *chooser_title = ((char *[]){"Open File", "Save File", "Select Folder"})[action];
GtkFileChooserNative *native = gtk_file_chooser_native_new(chooser_title, window, action, NULL, NULL);
const char *type = type_jstring ? (*env)->GetStringUTFChars(env, type_jstring, NULL) : NULL;
if (type) {
GtkFileFilter *filter = gtk_file_filter_new();
gtk_file_filter_add_mime_type(filter, type);
gtk_file_filter_set_name(filter, type);
gtk_file_chooser_set_filter(GTK_FILE_CHOOSER(native), filter);
(*env)->ReleaseStringUTFChars(env, type_jstring, type);
}
const char *filename = filename_jstring ? (*env)->GetStringUTFChars(env, filename_jstring, NULL) : NULL;
if (filename) {
gtk_file_chooser_set_current_name(GTK_FILE_CHOOSER(native), filename);
(*env)->ReleaseStringUTFChars(env, filename_jstring, filename);
}
struct filechooser_callback_data *callback_data = malloc(sizeof(struct filechooser_callback_data));
callback_data->activity = _REF(this);
callback_data->request_code = request_code;
g_signal_connect (native, "response", G_CALLBACK(on_filechooser_response), callback_data);
gtk_native_dialog_show (GTK_NATIVE_DIALOG (native));
}

8
src/api-impl-jni/generated_headers/android_app_Activity.h
View File

@@ -41,6 +41,14 @@ JNIEXPORT void JNICALL Java_android_app_Activity_nativeStartActivity
JNIEXPORT void JNICALL Java_android_app_Activity_nativeOpenURI
(JNIEnv *, jclass, jstring);
/*
* Class: android_app_Activity
* Method: nativeFileChooser
* Signature: (ILjava/lang/String;Ljava/lang/String;I)V
*/
JNIEXPORT void JNICALL Java_android_app_Activity_nativeFileChooser
(JNIEnv *, jobject, jint, jstring, jstring, jint);
#ifdef __cplusplus
}
#endif