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handle drag-and-drop events as ACTION_SEND Intents

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This commit is contained in:
Julian Winkler
2025-07-14 12:25:04 +02:00
parent 0064677755
commit b7843665ef
5 changed files with 56 additions and 0 deletions
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28
src/main-executable/main.c
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@@ -236,6 +236,31 @@ static void parse_string_extras(JNIEnv *env, char **extra_string_keys, jobject i
g_regex_unref(regex);
}
/* Drag and drop callback to simulate ACTION_SEND intents */
static gboolean on_drop(GtkDropTarget *target, const GValue *value, double x, double y, gpointer user_data)
{
const char *data = g_value_get_string(value);
if (!data || !*data) {
return FALSE;
}
JNIEnv *env = get_jni_env();
jobject intent = (*env)->NewObject(env, handle_cache.intent.class, handle_cache.intent.constructor);
_SET_OBJ_FIELD(intent, "action", "Ljava/lang/String;", _JSTRING("android.intent.action.SEND"));
_SET_OBJ_FIELD(intent, "data", "Landroid/net/Uri;", (*env)->CallStaticObjectMethod(env, handle_cache.uri.class, handle_cache.uri.parse, _JSTRING(data)));
jobject activity = (*env)->CallStaticObjectMethod(env, handle_cache.context.class, handle_cache.context.resolveActivityInternal, intent);
if ((*env)->ExceptionCheck(env)) {
(*env)->ExceptionDescribe(env);
}
if (!activity) {
printf("failed to resolve activity to handle URI: %s\n", data);
return FALSE;
}
activity_start(env, activity);
return TRUE;
}
static void open(GtkApplication *app, GFile **files, gint nfiles, const gchar *hint, struct jni_callback_data *d)
{
// TODO: pass all files to classpath
@@ -668,6 +693,9 @@ static void open(GtkApplication *app, GFile **files, gint nfiles, const gchar *h
gtk_header_bar_pack_start(GTK_HEADER_BAR(header_bar), back_button);
gtk_window_set_titlebar(GTK_WINDOW(window), header_bar);
GtkDropTarget *drop_target = gtk_drop_target_new(G_TYPE_STRING, GDK_ACTION_COPY);
g_signal_connect(drop_target, "drop", G_CALLBACK(on_drop), NULL);
gtk_widget_add_controller(window, GTK_EVENT_CONTROLLER(drop_target));
gtk_window_present(GTK_WINDOW(window));
// set package name as application id for window icon on Wayland. Needs a {package_name}.desktop file defining the icon