gui: adding ability to select items from tcl based on coordinate

Signed-off-by: Peter Gadfort <peter.gadfort.civ@army.mil>

src/gui/README.md

@@ -182,6 +182,21 @@ gui::selection_add_insts name_regex
 Options description:
 - ``name_regex`` regular expression of the instance names to add.
 
+To add items at a specific point or in an area:
+
+```
+gui::select_at x y
+gui::select_at x y append
+gui::select_at x0 y0 x1 y1
+gui::select_at x0 y0 x1 y1 append
+```
+
+Options description:
+- ``x, y`` point in the layout area in microns.
+- ``x0, y0`` first corner of the layout area in microns.
+- ``x1, y1`` second corner of the layout area in microns.
+- ``append`` if ``true`` (the default value) append the new selections to the current selection list, else replace the selection list with the new selections.
+
 To clear the current set of selected items:
 
 ```

src/gui/include/gui/gui.h

@@ -457,6 +457,8 @@ class Gui
   void addInstToHighlightSet(const char* name, int highlight_group = 0);
   void addNetToHighlightSet(const char* name, int highlight_group = 0);
 
+  void selectAt(const odb::Rect& area, bool append = true);
+
   std::string addRuler(int x0, int y0, int x1, int y1, const std::string& label = "", const std::string& name = "");
   void deleteRuler(const std::string& name);
 

src/gui/src/gui.cpp

@@ -309,6 +309,11 @@ void Gui::addNetToHighlightSet(const char* name, int highlight_group)
   main_window->addHighlighted(selection_set, highlight_group);
 }
 
+void Gui::selectAt(const odb::Rect& area, bool append)
+{
+  main_window->getLayoutViewer()->selectArea(area, append);
+}
+
 std::string Gui::addRuler(int x0, int y0, int x1, int y1, const std::string& label, const std::string& name)
 {
   return main_window->addRuler(x0, y0, x1, y1, label, name);

src/gui/src/gui.i

@@ -470,5 +470,19 @@ const std::string get_selection_property(const std::string& prop_name)
   }
 }
 
+void select_at(double x0, double y0, double x1, double y1, bool append = true)
+{
+  if (!check_gui("select_at")) {
+    return;
+  }  
+  auto gui = gui::Gui::get();
+  gui->selectAt(make_rect(x0, y0, x1, y1), append);
+}
+
+void select_at(double x, double y, bool append = true)
+{
+  select_at(x, y, x, y, append);
+}
+
 %} // inline
 

src/gui/src/layoutViewer.cpp

@@ -886,6 +886,14 @@ void LayoutViewer::selectAt(odb::Rect region, std::vector<Selected>& selections)
   }
 }
 
+void LayoutViewer::selectArea(const odb::Rect& area, bool append)
+{
+  if (!append) {
+    emit selected(Selected()); // remove previous selections
+  }
+  emit addSelected(selectAt(area));
+}
+
 SelectionSet LayoutViewer::selectAt(odb::Rect region)
 {
   std::vector<Selected> selections;

src/gui/src/layoutViewer.h

@@ -224,6 +224,8 @@ class LayoutViewer : public QWidget, public odb::dbBlockCallBackObj
   void startRulerBuild();
   void cancelRulerBuild();
 
+  void selectArea(const odb::Rect& area, bool append);
+
  private:
   struct Boxes
   {