CAM: Suppress rendering of first rapids (#25440)

src/Mod/CAM/Gui/ViewProviderPath.cpp

@@ -41,6 +41,7 @@
 #include <App/DocumentObject.h>
 #include <Base/Parameter.h>
 #include <Base/Stream.h>
+#include <Mod/CAM/App/Command.h>
 #include <Gui/Application.h>
 #include <Gui/BitmapFactory.h>
 #include <Gui/Inventor/SoAxisCrossKit.h>
@@ -496,6 +497,28 @@ void ViewProviderPath::updateData(const App::Property* prop)
 {
     Path::Feature* pcPathObj = static_cast<Path::Feature*>(pcObject);
     if (prop == &pcPathObj->Path) {
+        // Check if we should hide the first rapid moves
+        ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath(
+            "User parameter:BaseApp/Preferences/Mod/CAM"
+        );
+        bool hideFirstRapid = hGrp->GetBool("HideFirstRapid", false);
+
+        if (hideFirstRapid) {
+            // Find the first feed move and set StartIndex accordingly
+            long firstFeedIndex = findFirstFeedMoveIndex(pcPathObj->Path.getValue());
+            if (firstFeedIndex > 0) {
+                StartIndex.setValue(firstFeedIndex);
+                StartIndex.purgeTouched();
+            }
+        }
+        else {
+            // Reset StartIndex to show all commands from the beginning
+            if (StartIndex.getValue() != 0) {
+                StartIndex.setValue(0);
+                StartIndex.purgeTouched();
+            }
+        }
+
         updateVisual(true);
         return;
     }
@@ -826,9 +849,37 @@ void ViewProviderPath::recomputeBoundingBox()
     pcBoundingBox->maxBounds.setValue(MaxX, MaxY, MaxZ);
 }
 
+long ViewProviderPath::findFirstFeedMoveIndex(const Path::Toolpath& path) const
+{
+    const std::vector<Path::Command*>& commands = path.getCommands();
+    for (size_t i = 0; i < commands.size(); ++i) {
+        const Path::Command* cmd = commands[i];
+        if (!cmd) {
+            continue;
+        }
+        std::string name = cmd->Name;
+
+        // Skip comments and empty commands
+        if (name.empty() || name[0] == '(' || name[0] == ';' || name[0] == '%') {
+            continue;
+        }
+
+        // Skip rapid moves (G0)
+        if (name == "G0" || name == "G00") {
+            continue;
+        }
+
+        // Found the first non-rapid move
+        return static_cast<long>(i);
+    }
+
+    // If no feed move found, return 0 to show from the beginning
+    return 0;
+}
+
 QIcon ViewProviderPath::getIcon() const
 {
-    return Gui::BitmapFactory().pixmap("CAM_Toolpath");
+    return Gui::BitmapFactory().pixmap("Path-ToolPath");
 }
 
 // Python object -----------------------------------------------------------------------