Add Select All functionality, closes #19

src/gui/value/editor.hpp

@@ -91,6 +91,9 @@ class ValueEditor {
   
   // --------------------------------------------------- : Selection
   
+  virtual bool canSelectAll() const { return false; }
+  virtual void doSelectAll() {}
+
   /// Select the specified range (if it makes sense)
   virtual void select(size_t start, size_t end) {}
   /// Determine the selected range

src/gui/value/text.cpp

@@ -1165,6 +1165,15 @@ bool TextValueEditor::isWordBoundary(size_t pos_i) const {
   }
 }
 
+void TextValueEditor::doSelectAll() {
+  size_t old_selection_start_i = selection_start_i;
+  size_t old_selection_end_i = selection_end_i;
+  selection_start_i = 0;
+  selection_end_i = value().value().size();
+  fixSelection(TYPE_INDEX);
+  redrawSelection(old_selection_start_i, old_selection_end_i, dropDownShown());
+}
+
 void TextValueEditor::select(size_t start, size_t end) {
   selection_start = start;
   selection_end   = end;

src/gui/value/text.hpp

@@ -71,7 +71,9 @@ class TextValueEditor : public TextValueViewer, public ValueEditor {
   virtual void doFormat(int type);
   
   // --------------------------------------------------- : Selection
-  
+
+  virtual bool canSelectAll() const { return true; }
+  virtual void doSelectAll();
   virtual void select(size_t start, size_t end);
   virtual size_t selectionStart() const { return selection_start; }
   virtual size_t selectionEnd()   const { return selection_end; }