[code] Created DoubleBufferTextView for functions/variables toolbox.

Change-Id: I8fb8d12463de44f244230eca36d4b0404343f57d

apps/code/double_buffer_text_cell.cpp

@@ -0,0 +1,53 @@
+#include "double_buffer_text_cell.h"
+#include <escher/palette.h>
+#include <assert.h>
+
+DoubleBufferTextCell::DoubleBufferTextCell(KDText::FontSize size, float horizontalAlignment, float verticalAlignment) :
+  TableCell(TableCell::Layout::Vertical),
+  m_firstBufferTextView(size, horizontalAlignment, verticalAlignment),
+  m_secondBufferTextView(size, horizontalAlignment, verticalAlignment)
+{
+}
+
+const char * DoubleBufferTextCell::firstText() {
+  return m_firstBufferTextView.text();
+}
+
+const char * DoubleBufferTextCell::secondText() {
+  return m_secondBufferTextView.text();
+}
+
+void DoubleBufferTextCell::setFirstText(const char * textContent) {
+  m_firstBufferTextView.setText(textContent);
+}
+
+void DoubleBufferTextCell::setSecondText(const char * textContent) {
+  m_secondBufferTextView.setText(textContent);
+}
+
+void DoubleBufferTextCell::setFirstTextColor(KDColor textColor) {
+  m_firstBufferTextView.setTextColor(textColor);
+}
+
+void DoubleBufferTextCell::setSecondTextColor(KDColor textColor) {
+  m_secondBufferTextView.setTextColor(textColor);
+}
+
+void DoubleBufferTextCell::setHighlighted(bool highlight) {
+  HighlightCell::setHighlighted(highlight);
+  KDColor background = isHighlighted() ? Palette::Select : KDColorWhite;
+  m_firstBufferTextView.setBackgroundColor(background);
+  m_secondBufferTextView.setBackgroundColor(background);
+}
+
+View * DoubleBufferTextCell::subviewAtIndex(int index) {
+  assert(index >= 0 && index <= 1);
+  if (index == 0) {
+    return &m_firstBufferTextView;
+  }
+  return &m_secondBufferTextView;
+}
+
+void DoubleBufferTextCell::layoutSubviews() {
+  TableCell::layoutSubviews();
+}