From 790c4345d9f9cbb0255c9491e43ded8139cb2220 Mon Sep 17 00:00:00 2001
From: tildearrow <tildearrow@protonmail.com>
Date: Tue, 15 Mar 2022 23:43:24 -0500
Subject: [PATCH] GUI: add ability to view Hz as base tempo

---
 src/gui/gui.cpp | 8 ++++++--
 src/gui/gui.h   | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 352c7330a..669db1452 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -1084,11 +1084,14 @@ void FurnaceGUI::drawSongInfo() {
 
       ImGui::TableNextRow();
       ImGui::TableNextColumn();
-      ImGui::Text("Tick Rate");
+      if (ImGui::Selectable(tempoView?"Base Tempo##TempoOrHz":"Tick Rate##TempoOrHz")) {
+        tempoView=!tempoView;
+      }
       ImGui::TableNextColumn();
       ImGui::SetNextItemWidth(avail);
-      float setHz=e->song.hz;
+      float setHz=tempoView?e->song.hz*2.5:e->song.hz;
       if (ImGui::InputFloat("##Rate",&setHz,1.0f,1.0f,"%g")) {
+        if (tempoView) setHz/=2.5;
         if (setHz<10) setHz=10;
         if (setHz>999) setHz=999;
         e->setSongRate(setHz,setHz<52);
@@ -7105,6 +7108,7 @@ FurnaceGUI::FurnaceGUI():
   fancyPattern(false),
   wantPatName(false),
   firstFrame(true),
+  tempoView(false),
   curWindow(GUI_WINDOW_NOTHING),
   nextWindow(GUI_WINDOW_NOTHING),
   nextDesc(NULL),
diff --git a/src/gui/gui.h b/src/gui/gui.h
index 722554403..2c0a3a630 100644
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -604,7 +604,7 @@ class FurnaceGUI {
   bool pianoOpen, notesOpen, channelsOpen, regViewOpen;
   SelectionPoint selStart, selEnd, cursor;
   bool selecting, curNibble, orderNibble, followOrders, followPattern, changeAllOrders;
-  bool collapseWindow, demandScrollX, fancyPattern, wantPatName, firstFrame;
+  bool collapseWindow, demandScrollX, fancyPattern, wantPatName, firstFrame, tempoView;
   FurnaceGUIWindows curWindow, nextWindow;
   float peak[2];
   float patChanX[DIV_MAX_CHANS+1];