From 4e788b9814af0f176e4681715dec334b0e31199e Mon Sep 17 00:00:00 2001
From: Paul Walker <paul@pwjw.com>
Date: Thu, 5 Dec 2019 14:43:19 -0500
Subject: [PATCH] Modify a slider handle when TempoSynced

Surge didn't have a way to show a parameter was TempoSynced.
Now it does!

Closes #1397
---
 src/common/gui/CSurgeSlider.cpp   | 51 +++++++++++++++++++++++++++++++
 src/common/gui/CSurgeSlider.h     |  3 ++
 src/common/gui/SurgeGUIEditor.cpp | 10 ++++++
 3 files changed, 64 insertions(+)

diff --git a/src/common/gui/CSurgeSlider.cpp b/src/common/gui/CSurgeSlider.cpp
index 6d9ac466d7e..872c8e01c19 100644
--- a/src/common/gui/CSurgeSlider.cpp
+++ b/src/common/gui/CSurgeSlider.cpp
@@ -7,6 +7,7 @@
 #include "MouseCursorControl.h"
 #include "CScalableBitmap.h"
 #include "SurgeBitmaps.h"
+#include <iostream>
 
 using namespace VSTGUI;
 using namespace std;
@@ -250,9 +251,59 @@ void CSurgeSlider::draw(CDrawContext* dc)
       }
 
       if (style & CSlider::kHorizontal)
+      {
          pHandle->draw(dc, hrect, CPoint(0, 24 * typehy), modmode ? 0x7f : 0xff);
+         if( is_temposync )
+         {
+            dc->setFont(displayFont);
+            dc->setFontColor(CColor(80,80,100));
+            auto newRect = hrect;
+            newRect.top += 1;
+            newRect.left += 1;
+            newRect.bottom = newRect.top + 15;
+            newRect.right = newRect.left + 21;
+
+            auto tRect = newRect;
+            tRect.right = tRect.left + 11;
+            tRect.left += 2;
+
+            auto sRect = newRect;
+            sRect.left += 11;
+            sRect.right -= 2;
+            dc->drawString("T", tRect, kCenterText, true);
+            dc->drawString("S", sRect, kCenterText, true);
+
+         }
+      }
       else
+      {
          pHandle->draw(dc, hrect, CPoint(0, 28 * typehy), modmode ? 0x7f : 0xff);
+         if( is_temposync )
+         {
+            auto newRect = hrect;
+            newRect.top += 1;
+            newRect.left += 1;
+            newRect.bottom = newRect.top + 20;
+            newRect.right = newRect.left + 16;
+
+            dc->setFont(displayFont);
+            dc->setFontColor(CColor(80,80,100));
+
+            auto tRect = newRect;
+            tRect.bottom = tRect.top + 11;
+            tRect.top += 2;
+
+            auto sRect = newRect;
+            sRect.top += 11;
+            sRect.bottom -= 2;
+            
+            dc->drawString("T", tRect, kCenterText, true);
+            dc->drawString("S", sRect, kCenterText, true);
+
+         }
+                  
+      }
+
    }
 
    // draw mod-fader
diff --git a/src/common/gui/CSurgeSlider.h b/src/common/gui/CSurgeSlider.h
index 34c50e2defa..5d705fd7496 100644
--- a/src/common/gui/CSurgeSlider.h
+++ b/src/common/gui/CSurgeSlider.h
@@ -61,6 +61,8 @@ class CSurgeSlider : public CCursorHidingControl
    virtual void setValue(float val);
    virtual void setBipolar(bool);
 
+   virtual void setTempoSync( bool b ) { is_temposync = b; }
+   
    void SetQuantitizedDispValue(float f);
 
    CLASS_METHODS(CSurgeSlider, CControl)
@@ -93,6 +95,7 @@ class CSurgeSlider : public CCursorHidingControl
    int typex, typey;
    int typehx, typehy;
    bool has_modulation, has_modulation_current;
+   bool is_temposync = false;
    VSTGUI::CPoint lastpoint, sourcepoint;
    float oldVal, *edit_value;
    int drawcount_debug;
diff --git a/src/common/gui/SurgeGUIEditor.cpp b/src/common/gui/SurgeGUIEditor.cpp
index 1548738e1cb..16bfa07e1a3 100644
--- a/src/common/gui/SurgeGUIEditor.cpp
+++ b/src/common/gui/SurgeGUIEditor.cpp
@@ -1306,6 +1306,8 @@ void SurgeGUIEditor::openOrRecreateEditor()
                hs->setValue(p->get_value_f01());
                hs->setLabel(p->get_name());
                hs->setMoveRate(p->moverate);
+               if( p->can_temposync() )
+                  hs->setTempoSync(p->temposync);
                frame->addView(hs);
                param[i] = hs;
             }
@@ -1318,6 +1320,8 @@ void SurgeGUIEditor::openOrRecreateEditor()
                hs->setDefaultValue(p->get_default_value_f01());
                hs->setLabel(p->get_name());
                hs->setMoveRate(p->moverate);
+               if( p->can_temposync() )
+                  hs->setTempoSync(p->temposync);
                frame->addView(hs);
                param[i] = hs;
 
@@ -2093,6 +2097,12 @@ int32_t SurgeGUIEditor::controlModifierClicked(CControl* control, CButtonState b
 
                                   if( this->lfodisplay )
                                      this->lfodisplay->invalid();
+                                  auto *css = dynamic_cast<CSurgeSlider *>(control);
+                                  if( css )
+                                  {
+                                     css->setTempoSync(p->temposync);
+                                     css->invalid();
+                                  }
                                });
                contextMenu->checkEntry(eid, p->temposync);
                eid++;