From 8428f7da3236a3d435f2d1884c949f1e4e48aeb7 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Fri, 24 Dec 2021 18:23:01 -0500
Subject: [PATCH] GUI: make the new button work

---
 src/engine/engine.cpp | 16 ++++++++++++++++
 src/engine/engine.h   |  2 ++
 src/gui/gui.cpp       |  5 +++--
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/src/engine/engine.cpp b/src/engine/engine.cpp
index 7d34282f1..678a5bd05 100644
--- a/src/engine/engine.cpp
+++ b/src/engine/engine.cpp
@@ -1428,6 +1428,22 @@ void DivEngine::renderSamples() {
   }
 }
 
+void DivEngine::createNew() {
+  DivSystem sys=song.system;
+  quitDispatch();
+  isBusy.lock();
+  song.unload();
+  song=DivSong();
+  song.system=sys;
+  chans=getChannelCount(song.system);
+  renderSamples();
+  isBusy.unlock();
+  initDispatch();
+  isBusy.lock();
+  reset();
+  isBusy.unlock();
+}
+
 void DivEngine::changeSystem(DivSystem which) {
   quitDispatch();
   isBusy.lock();
diff --git a/src/engine/engine.h b/src/engine/engine.h
index 1bcc3d440..1d252a968 100644
--- a/src/engine/engine.h
+++ b/src/engine/engine.h
@@ -130,6 +130,8 @@ class DivEngine {
     void nextBuf(float** in, float** out, int inChans, int outChans, unsigned int size);
     DivInstrument* getIns(int index);
     DivWavetable* getWave(int index);
+    // start fresh
+    void createNew();
     // load a .dmf.
     bool load(unsigned char* f, size_t length);
     // save as .dmf.
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 734e1ef8a..0dba56840 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2237,10 +2237,11 @@ bool FurnaceGUI::loop() {
 
     ImGui::BeginMainMenuBar();
     if (ImGui::BeginMenu("file")) {
-      ImGui::MenuItem("new");
+      if (ImGui::MenuItem("new")) {
+        e->createNew();
+      }
       if (ImGui::MenuItem("open...")) {
         openFileDialog(GUI_FILE_OPEN);
-        
       }
       ImGui::Separator();
       ImGui::MenuItem("save");