GUI: selection/scroll improvements

now you can scroll left/right by dragging selection to the side edges

src/gui/cursor.cpp

@@ -169,6 +169,7 @@ void FurnaceGUI::finishSelection() {
   }
   selecting=false;
   selectingFull=false;
+  mobilePatSel=false;
 
   if (dragging) {
     if (dragSourceX==dragDestinationX && dragSourceY==dragDestinationY && dragSourceXFine==dragDestinationXFine) {

src/gui/gui.cpp

@@ -569,6 +569,12 @@ void FurnaceGUI::addScroll(int amount) {
   haveHitBounds=false;
 }
 
+void FurnaceGUI::addScrollX(int amount) {
+  float lineHeight=(patFont->FontSize+2*dpiScale);
+  nextAddScrollX=lineHeight*amount;
+  haveHitBounds=false;
+}
+
 void FurnaceGUI::setFileName(String name) {
 #ifdef _WIN32
   wchar_t ret[4096];
@@ -3571,7 +3577,7 @@ void FurnaceGUI::pointUp(int x, int y, int button) {
 }
 
 void FurnaceGUI::pointMotion(int x, int y, int xrel, int yrel) {
-  if (selecting) {
+  if (selecting && (!mobileUI || mobilePatSel)) {
     // detect whether we have to scroll
     if (y<patWindowPos.y+2.0f*dpiScale) {
       addScroll(-1);
@@ -3579,6 +3585,12 @@ void FurnaceGUI::pointMotion(int x, int y, int xrel, int yrel) {
     if (y>patWindowPos.y+patWindowSize.y-2.0f*dpiScale) {
       addScroll(1);
     }
+    if (x<patWindowPos.x+(mobileUI?40.0f:4.0f)*dpiScale) {
+      addScrollX(-1);
+    }
+    if (x>patWindowPos.x+patWindowSize.x-(mobileUI?40.0f:4.0f)*dpiScale) {
+      addScrollX(1);
+    }
   }
   if (macroDragActive || macroLoopDragActive || waveDragActive || sampleDragActive || orderScrollLocked) {
     int distance=fabs((double)xrel);
@@ -8546,6 +8558,7 @@ FurnaceGUI::FurnaceGUI():
   dragMobileMenu(false),
   dragMobileEditButton(false),
   wantGrooveListFocus(false),
+  mobilePatSel(false),
   lastAssetType(0),
   curWindow(GUI_WINDOW_NOTHING),
   nextWindow(GUI_WINDOW_NOTHING),

src/gui/gui.h

@@ -2366,6 +2366,7 @@ class FurnaceGUI {
   bool selecting, selectingFull, dragging, curNibble, orderNibble, followOrders, followPattern, changeAllOrders, mobileUI;
   bool collapseWindow, demandScrollX, fancyPattern, firstFrame, tempoView, waveHex, waveSigned, waveGenVisible, lockLayout, editOptsVisible, latchNibble, nonLatchNibble;
   bool keepLoopAlive, keepGrooveAlive, orderScrollLocked, orderScrollTolerance, dragMobileMenu, dragMobileEditButton, wantGrooveListFocus;
+  bool mobilePatSel;
   unsigned char lastAssetType;
   FurnaceGUIWindows curWindow, nextWindow, curWindowLast;
   std::atomic<FurnaceGUIWindows> curWindowThreadSafe;
@@ -2517,7 +2518,7 @@ class FurnaceGUI {
   int bindSetTarget, bindSetTargetIdx, bindSetPrevValue;
   bool bindSetActive, bindSetPending;
 
-  float nextScroll, nextAddScroll, orderScroll, orderScrollSlideOrigin;
+  float nextScroll, nextAddScroll, nextAddScrollX, orderScroll, orderScrollSlideOrigin;
 
   ImVec2 orderScrollRealOrigin;
   ImVec2 dragMobileMenuOrigin;
@@ -3084,6 +3085,7 @@ class FurnaceGUI {
     void enableSafeMode();
     void updateScroll(int amount);
     void addScroll(int amount);
+    void addScrollX(int amount);
     void setFileName(String name);
     void runBackupThread();
     void pushPartBlend();

src/gui/pattern.cpp

@@ -154,6 +154,7 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
   if (ImGui::IsItemActive() && CHECK_LONG_HOLD) {
     ImGui::InhibitInertialScroll();
     NOTIFY_LONG_HOLD;
+    mobilePatSel=true;
   }
   ImGui::PopStyleColor();
   // for each column
@@ -210,6 +211,7 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
     if (ImGui::IsItemActive() && CHECK_LONG_HOLD) {
       ImGui::InhibitInertialScroll();
       NOTIFY_LONG_HOLD;
+      mobilePatSel=true;
     }
     ImGui::PopStyleColor();
 
@@ -253,6 +255,7 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
       if (ImGui::IsItemActive() && CHECK_LONG_HOLD) {
         ImGui::InhibitInertialScroll();
         NOTIFY_LONG_HOLD;
+        mobilePatSel=true;
       }
       ImGui::PopStyleColor();
     }
@@ -290,6 +293,7 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
       if (ImGui::IsItemActive() && CHECK_LONG_HOLD) {
         ImGui::InhibitInertialScroll();
         NOTIFY_LONG_HOLD;
+        mobilePatSel=true;
       }
       ImGui::PopStyleColor();
     }
@@ -342,6 +346,7 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
         if (ImGui::IsItemActive() && CHECK_LONG_HOLD) {
           ImGui::InhibitInertialScroll();
           NOTIFY_LONG_HOLD;
+          mobilePatSel=true;
         }
 
         // effect value
@@ -371,6 +376,7 @@ inline void FurnaceGUI::patternRow(int i, bool isPlaying, float lineHeight, int
         if (ImGui::IsItemActive() && CHECK_LONG_HOLD) {
           ImGui::InhibitInertialScroll();
           NOTIFY_LONG_HOLD;
+          mobilePatSel=true;
         }
         ImGui::PopStyleColor();
       }
@@ -465,6 +471,7 @@ void FurnaceGUI::drawPattern() {
       ImGui::SetNextWindowScroll(ImVec2(-1.0f,nextScroll));
       nextScroll=-1.0f;
       nextAddScroll=0.0f;
+      nextAddScrollX=0.0f;
     }
     ImDrawList* tdl=NULL;
 
@@ -480,6 +487,10 @@ void FurnaceGUI::drawPattern() {
         nextScroll=-1.0f;
         nextAddScroll=0.0f;
       }
+      if (nextAddScrollX!=0.0f) {
+        ImGui::SetScrollX(ImGui::GetScrollX()+nextAddScrollX);
+        nextAddScrollX=0.0f;
+      }
       
       ImGui::TableSetupScrollFreeze(1,1);
       for (int i=0; i<chans; i++) {