From 8058937d596015890136b3d6af33e51d9c773ef5 Mon Sep 17 00:00:00 2001
From: itsmattkc <itsmattkc@gmail.com>
Date: Tue, 22 Jan 2019 23:31:27 +1100
Subject: [PATCH] vst guis work on linux now

---
 effects/internal/vsthost.cpp | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/effects/internal/vsthost.cpp b/effects/internal/vsthost.cpp
index e6c3edfd1..9f8334dfb 100644
--- a/effects/internal/vsthost.cpp
+++ b/effects/internal/vsthost.cpp
@@ -9,11 +9,16 @@
 #include <QMessageBox>
 #include <QFile>
 #include <QXmlStreamWriter>
+#include <QWindow>
 
 #include "playback/audio.h"
 #include "mainwindow.h"
 #include "debug.h"
 
+#ifdef __linux__
+#include <X11/X.h>
+#endif
+
 #define BLOCK_SIZE 512
 #define CHANNEL_COUNT 2
 
@@ -294,10 +299,21 @@ void VSTHost::save(QXmlStreamWriter &stream) {
 }
 
 void VSTHost::show_interface(bool show) {
+#if defined(_WIN32)
+    dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<HWND>(dialog->winId()), 0);
+#elif defined(__APPLE__)
+    dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<NSWindow*>(dialog->winId()), 0);
+#elif defined(__linux__)
+    Window xwindow = dialog->windowHandle()->winId();
+    dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<void*>(xwindow), 0);
+#endif
+
 	dialog->setVisible(show);
 }
 
 void VSTHost::uncheck_show_button() {
+    dispatcher(plugin, effEditClose, 0, 0, nullptr, 0);
+
 	show_interface_btn->setChecked(false);
 }
 
@@ -307,11 +323,6 @@ void VSTHost::change_plugin() {
 	if (plugin != nullptr) {
 		if (configurePluginCallbacks()) {
 			startPlugin();
-#ifdef _WIN32
-			dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<HWND>(dialog->winId()), 0);
-#elif __APPLE__
-			dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<NSWindow*>(dialog->winId()), 0);
-#endif
 			VSTRect* eRect = nullptr;
 			plugin->dispatcher(plugin, effEditGetRect, 0, 0, &eRect, 0);
 			dialog->setFixedWidth(eRect->right);