1 files changed, 47 insertions, 0 deletions

@@ -0,0 +1,47 @@
+#include "eye_indicator.h"
+
+EyeIndicator::EyeIndicator(wxWindow* parent) : wxWindow(parent, wxID_ANY) {
+  SetMinSize({32, 32});
+
+  Redraw();
+
+  Bind(wxEVT_PAINT, &EyeIndicator::OnPaint, this);
+}
+
+void EyeIndicator::SetChecked(bool checked) {
+  if (intended_checked_ != checked) {
+    intended_checked_ = checked;
+
+    Redraw();
+  }
+}
+
+const wxImage& EyeIndicator::GetUncheckedImage() {
+  static wxImage* unchecked_image =
+      new wxImage("assets/unchecked.png", wxBITMAP_TYPE_PNG);
+  return *unchecked_image;
+}
+
+const wxImage& EyeIndicator::GetCheckedImage() {
+  static wxImage* checked_image =
+      new wxImage("assets/checked.png", wxBITMAP_TYPE_PNG);
+  return *checked_image;
+}
+
+void EyeIndicator::OnPaint(wxPaintEvent& event) {
+  if (GetSize() != rendered_.GetSize() ||
+      intended_checked_ != rendered_checked_) {
+    Redraw();
+  }
+
+  wxPaintDC dc(this);
+  dc.DrawBitmap(rendered_, 0, 0);
+}
+
+void EyeIndicator::Redraw() {
+  rendered_ =
+      wxBitmap((intended_checked_ ? GetCheckedImage() : GetUncheckedImage())
+                   .Scale(GetSize().GetWidth(), GetSize().GetHeight(),
+                          wxIMAGE_QUALITY_NORMAL));
+  rendered_checked_ = intended_checked_;
+}