GUI: implement no-nibble-push value input

src/gui/gui.cpp

@@ -967,8 +967,12 @@ void FurnaceGUI::valueInput(int num, bool direct, int target) {
     pat->data[cursor.y][target]=num&0xff;
   } else {
     if (pat->data[cursor.y][target]==-1) pat->data[cursor.y][target]=0;
+    if (!settings.pushNibble && !curNibble) {
+      pat->data[cursor.y][target]=num;
+    } else {
       pat->data[cursor.y][target]=((pat->data[cursor.y][target]<<4)|num)&0xff;
     }
+  }
   if (cursor.xFine==1) { // instrument
     if (pat->data[cursor.y][target]>=(int)e->song.ins.size()) {
       pat->data[cursor.y][target]&=0x0f;

src/gui/gui.h

@@ -811,6 +811,7 @@ class FurnaceGUI {
     int separateFMColors;
     int insEditColorize;
     int metroVol;
+    int pushNibble;
     unsigned int maxUndoSteps;
     String mainFontPath;
     String patFontPath;
@@ -878,6 +879,7 @@ class FurnaceGUI {
       separateFMColors(0),
       insEditColorize(0),
       metroVol(100),
+      pushNibble(0),
       maxUndoSteps(100),
       mainFontPath(""),
       patFontPath(""),

src/gui/guiConst.cpp

@@ -454,8 +454,8 @@ const FurnaceGUIColorDef guiColors[GUI_COLOR_MAX]={
   D(GUI_COLOR_CHANNEL_FM,"",ImVec4(0.2f,0.8f,1.0f,1.0f)),
   D(GUI_COLOR_CHANNEL_PULSE,"",ImVec4(0.4f,1.0f,0.2f,1.0f)),
   D(GUI_COLOR_CHANNEL_NOISE,"",ImVec4(0.8f,0.8f,0.8f,1.0f)),
-  D(GUI_COLOR_CHANNEL_WAVE,"",ImVec4(1.0f,0.9f,0.2f,1.0f)),
+  D(GUI_COLOR_CHANNEL_WAVE,"",ImVec4(1.0f,0.5f,0.2f,1.0f)),
-  D(GUI_COLOR_CHANNEL_PCM,"",ImVec4(1.0f,0.5f,0.2f,1.0f)),
+  D(GUI_COLOR_CHANNEL_PCM,"",ImVec4(1.0f,0.9f,0.2f,1.0f)),
   D(GUI_COLOR_CHANNEL_OP,"",ImVec4(0.2f,0.4f,1.0f,1.0f)),
   D(GUI_COLOR_CHANNEL_MUTED,"",ImVec4(0.5f,0.5f,0.5f,1.0f)),
 

src/gui/settings.cpp

@@ -236,6 +236,11 @@ void FurnaceGUI::drawSettings() {
           settings.soloAction=2;
         }
 
+        bool pushNibbleB=settings.pushNibble;
+        if (ImGui::Checkbox("Push value when overwriting instead of clearing it",&pushNibbleB)) {
+          settings.pushNibble=pushNibbleB;
+        }
+
         bool pullDeleteBehaviorB=settings.pullDeleteBehavior;
         if (ImGui::Checkbox("Move cursor up on backspace-delete",&pullDeleteBehaviorB)) {
           settings.pullDeleteBehavior=pullDeleteBehaviorB;
@@ -1568,6 +1573,7 @@ void FurnaceGUI::syncSettings() {
   settings.separateFMColors=e->getConfInt("separateFMColors",0);
   settings.insEditColorize=e->getConfInt("insEditColorize",0);
   settings.metroVol=e->getConfInt("metroVol",100);
+  settings.pushNibble=e->getConfInt("pushNibble",0);
 
   clampSetting(settings.mainFontSize,2,96);
   clampSetting(settings.patFontSize,2,96);
@@ -1624,6 +1630,7 @@ void FurnaceGUI::syncSettings() {
   clampSetting(settings.separateFMColors,0,1);
   clampSetting(settings.insEditColorize,0,1);
   clampSetting(settings.metroVol,0,200);
+  clampSetting(settings.pushNibble,0,1);
 
   // keybinds
   for (int i=0; i<GUI_ACTION_MAX; i++) {
@@ -1707,6 +1714,7 @@ void FurnaceGUI::commitSettings() {
   e->setConf("separateFMColors",settings.separateFMColors);
   e->setConf("insEditColorize",settings.insEditColorize);
   e->setConf("metroVol",settings.metroVol);
+  e->setConf("pushNibble",settings.pushNibble);
 
   // colors
   for (int i=0; i<GUI_COLOR_MAX; i++) {