From 1d5c98440f9d314e6c3eaa074f9c6d527a99b204 Mon Sep 17 00:00:00 2001
From: LeviathanInWaves <leviathaninwaves@gmail.com>
Date: Tue, 6 Dec 2022 21:40:23 -0600
Subject: [PATCH] Add floating Edit button for Mobile UI

---
 src/gui/editControls.cpp | 25 ++++++++++++++++++++++++-
 src/gui/gui.cpp          |  7 +++++++
 src/gui/gui.h            |  7 +++++--
 3 files changed, 36 insertions(+), 3 deletions(-)
 mode change 100644 => 100755 src/gui/editControls.cpp
 mode change 100644 => 100755 src/gui/gui.cpp
 mode change 100644 => 100755 src/gui/gui.h

diff --git a/src/gui/editControls.cpp b/src/gui/editControls.cpp
old mode 100644
new mode 100755
index 05c5d4c9f..412c33950
--- a/src/gui/editControls.cpp
+++ b/src/gui/editControls.cpp
@@ -48,12 +48,35 @@ void FurnaceGUI::drawMobileControls() {
       }
     }
   }
+  if (dragMobileEditButton) {
+    mobileEditButtonPos.x=((ImGui::GetMousePos().x/canvasW)-((mobileEditButtonSize.x*1.3)/2)/canvasW);
+    mobileEditButtonPos.y=((ImGui::GetMousePos().y/canvasH)-((mobileEditButtonSize.y*1.3)/2)/canvasH);
+  }
+  if (mobileEditButtonPos.x<0) mobileEditButtonPos.x=0;
+  if (mobileEditButtonPos.x>1) mobileEditButtonPos.x=1;
+  if (mobileEditButtonPos.y<0) mobileEditButtonPos.y=0;
+  if (mobileEditButtonPos.y>1) mobileEditButtonPos.y=1;
+  ImGui::SetNextWindowPos(ImVec2(mobileEditButtonPos.x*canvasW, mobileEditButtonPos.y*canvasH));
+  ImGui::SetNextWindowSize(ImVec2(mobileEditButtonSize.x*1.3, mobileEditButtonSize.y*1.3));
+  if (ImGui::Begin("Mobile Edit Button Menu",NULL,ImGuiWindowFlags_NoScrollbar|ImGuiWindowFlags_NoScrollWithMouse|ImGuiWindowFlags_NoBackground|ImGuiWindowFlags_NoDecoration|globalWinFlags)) {
+    if (ImGui::Button("Edit", mobileEditButtonSize)) {
+      //click
+    }
+    if (ImGui::IsItemActive()) {
+      if (CHECK_BUTTON_LONG_HOLD) {
+        //drag
+        if (!dragMobileEditButton) dragMobileEditButton = !dragMobileEditButton;
+      }
+    }
+  }
+  ImGui::End();
+  
   ImGui::SetNextWindowPos(portrait?ImVec2(0.0f,((1.0-mobileMenuPos*0.65)*canvasH)-(0.16*canvasW)):ImVec2(0.5*canvasW*mobileMenuPos,0.0f));
   ImGui::SetNextWindowSize(portrait?ImVec2(canvasW,0.16*canvasW):ImVec2(0.16*canvasH,canvasH));
   if (ImGui::Begin("Mobile Controls",NULL,ImGuiWindowFlags_NoScrollbar|ImGuiWindowFlags_NoScrollWithMouse|globalWinFlags)) {
     float avail=portrait?ImGui::GetContentRegionAvail().y:ImGui::GetContentRegionAvail().x;
     ImVec2 buttonSize=ImVec2(avail,avail);
-
+    mobileEditButtonSize=buttonSize;
     const char* mobButtonName=ICON_FA_CHEVRON_RIGHT "##MobileMenu";
     if (portrait) mobButtonName=ICON_FA_CHEVRON_UP "##MobileMenu";
     if (mobileMenuOpen) {
diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
old mode 100644
new mode 100755
index c5ebced50..22d408071
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2939,6 +2939,9 @@ void FurnaceGUI::pointUp(int x, int y, int button) {
       mobileMenuOpen=(mobileMenuPos>=0.15f);
     }
   }
+  if (dragMobileEditButton) {
+    dragMobileEditButton=false;
+  }
   if (selecting) {
     if (!selectingFull) cursor=selEnd;
     finishSelection();
@@ -5663,6 +5666,8 @@ FurnaceGUI::FurnaceGUI():
   waveEditStyle(0),
   displayInsTypeListMakeInsSample(-1),
   mobileMenuPos(0.0f),
+  mobileEditButtonPos(0.0f,0.0f),
+  mobileEditButtonSize(0.0f,0.0f),
   autoButtonSize(0.0f),
   curSysSection(NULL),
   pendingRawSampleDepth(8),
@@ -5794,12 +5799,14 @@ FurnaceGUI::FurnaceGUI():
   orderScrollLocked(false),
   orderScrollTolerance(false),
   dragMobileMenu(false),
+  dragMobileEditButton(false),
   curWindow(GUI_WINDOW_NOTHING),
   nextWindow(GUI_WINDOW_NOTHING),
   curWindowLast(GUI_WINDOW_NOTHING),
   curWindowThreadSafe(GUI_WINDOW_NOTHING),
   lastPatternWidth(0.0f),
   longThreshold(0.48f),
+  buttonLongThreshold(0.20f),
   latchNote(-1),
   latchIns(-2),
   latchVol(-1),
diff --git a/src/gui/gui.h b/src/gui/gui.h
old mode 100644
new mode 100755
index a7b6c74b9..f54f3a229
--- a/src/gui/gui.h
+++ b/src/gui/gui.h
@@ -54,7 +54,7 @@
   }
 
 #define CHECK_LONG_HOLD (mobileUI && ImGui::GetIO().MouseDown[ImGuiMouseButton_Left] && ImGui::GetIO().MouseDownDuration[ImGuiMouseButton_Left]>=longThreshold && ImGui::GetIO().MouseDownDurationPrev[ImGuiMouseButton_Left]<longThreshold && ImGui::GetIO().MouseDragMaxDistanceSqr[ImGuiMouseButton_Left]<=ImGui::GetIO().ConfigInertialScrollToleranceSqr)
-
+#define CHECK_BUTTON_LONG_HOLD (mobileUI && ImGui::GetIO().MouseDown[ImGuiMouseButton_Left] && ImGui::GetIO().MouseDownDuration[ImGuiMouseButton_Left]>=buttonLongThreshold && ImGui::GetIO().MouseDownDurationPrev[ImGuiMouseButton_Left]<buttonLongThreshold)
 // for now
 #define NOTIFY_LONG_HOLD \
   if (vibrator && vibratorAvailable) { \
@@ -1096,6 +1096,8 @@ class FurnaceGUI {
   int waveEditStyle;
   int displayInsTypeListMakeInsSample;
   float mobileMenuPos, autoButtonSize;
+  ImVec2 mobileEditButtonPos;
+  ImVec2 mobileEditButtonSize;
   const int* curSysSection;
   DivInstrumentFM opllPreview;
 
@@ -1435,13 +1437,14 @@ class FurnaceGUI {
   SelectionPoint selStart, selEnd, cursor, cursorDrag, dragStart, dragEnd;
   bool selecting, selectingFull, dragging, curNibble, orderNibble, followOrders, followPattern, changeAllOrders, mobileUI;
   bool collapseWindow, demandScrollX, fancyPattern, wantPatName, firstFrame, tempoView, waveHex, waveSigned, waveGenVisible, lockLayout, editOptsVisible, latchNibble, nonLatchNibble;
-  bool keepLoopAlive, orderScrollLocked, orderScrollTolerance, dragMobileMenu;
+  bool keepLoopAlive, orderScrollLocked, orderScrollTolerance, dragMobileMenu, dragMobileEditButton;
   FurnaceGUIWindows curWindow, nextWindow, curWindowLast;
   std::atomic<FurnaceGUIWindows> curWindowThreadSafe;
   float peak[2];
   float patChanX[DIV_MAX_CHANS+1];
   float patChanSlideY[DIV_MAX_CHANS+1];
   float lastPatternWidth, longThreshold;
+  float buttonLongThreshold;
   String nextDesc;
   String nextDescName;