gui: add option to force drawing of flywires even when routing it present

Signed-off-by: Peter Gadfort <peter.gadfort@gmail.com>

Author: gadfort

src/gui/src/dbDescriptors.cpp

@@ -22,6 +22,7 @@
 #include "db_sta/dbSta.hh"
 #include "odb/db.h"
 #include "odb/dbShape.h"
+#include "options.h"
 #include "sta/Liberty.hh"
 #include "utl/Logger.h"
 #include "utl/algorithms.h"
@@ -1380,19 +1381,26 @@ void DbNetDescriptor::highlight(std::any object, Painter& painter) const
     }
   }
 
-  odb::dbWire* wire = net->getWire();
-  if (wire) {
-    if (sink_object != nullptr) {
-      drawPathSegment(net, sink_object, painter);
-    }
+  bool draw_flywires = painter.getOptions()->isFlywireHighlightOnly();
+
+  if (!draw_flywires) {
+    odb::dbWire* wire = net->getWire();
+    if (wire) {
+      draw_flywires = false;
+      if (sink_object != nullptr) {
+        drawPathSegment(net, sink_object, painter);
+      }
 
-    odb::dbWireShapeItr it;
-    it.begin(wire);
-    odb::dbShape shape;
-    while (it.next(shape)) {
-      painter.drawRect(shape.getBox());
+      odb::dbWireShapeItr it;
+      it.begin(wire);
+      odb::dbShape shape;
+      while (it.next(shape)) {
+        painter.drawRect(shape.getBox());
+      }
     }
-  } else if (!is_supply && !is_routed_special) {
+  }
+
+  if (draw_flywires && !is_supply && !is_routed_special) {
     std::set<odb::Point> driver_locs;
     std::set<odb::Point> sink_locs;
     for (auto inst_term : net->getITerms()) {

src/gui/src/displayControls.cpp

@@ -515,6 +515,7 @@ DisplayControls::DisplayControls(QWidget* parent)
   makeLeafItem(
       misc_.manufacturing_grid, "Manufacturing grid", misc, Qt::Unchecked);
   makeLeafItem(misc_.gcell_grid, "GCell grid", misc, Qt::Unchecked);
+  makeLeafItem(misc_.flywires_only, "Flywires only", misc, Qt::Unchecked);
   makeLeafItem(misc_.labels, "Labels", misc, Qt::Checked, true);
   setNameItemDoubleClickAction(misc_.labels, [this]() {
     label_font_
@@ -1860,6 +1861,11 @@ bool DisplayControls::isGCellGridVisible() const
   return isModelRowVisible(&misc_.gcell_grid);
 }
 
+bool DisplayControls::isFlywireHighlightOnly() const
+{
+  return isModelRowVisible(&misc_.flywires_only);
+}
+
 bool DisplayControls::areIOPinsVisible() const
 {
   return isModelRowVisible(&shape_types_.pins);

src/gui/src/displayControls.h

@@ -243,6 +243,7 @@ class DisplayControls : public QDockWidget,
   bool isModuleView() const override;
 
   bool isGCellGridVisible() const override;
+  bool isFlywireHighlightOnly() const override;
 
   // API from dbNetworkObserver
   void postReadLiberty() override;
@@ -378,6 +379,7 @@ class DisplayControls : public QDockWidget,
     ModelRow module;
     ModelRow manufacturing_grid;
     ModelRow gcell_grid;
+    ModelRow flywires_only;
     ModelRow labels;
     ModelRow background;
   };

src/gui/src/options.h

@@ -87,6 +87,7 @@ class Options
   virtual bool isModuleView() const = 0;
 
   virtual bool isGCellGridVisible() const = 0;
+  virtual bool isFlywireHighlightOnly() const = 0;
 };
 
 }  // namespace gui