Escape closes the about dialog

plugins/editor/src/editor/DlgAbout.cpp

@@ -223,6 +223,24 @@ CMouseEventResult SAboutDialog::onMouseDown(CPoint& where, const CButtonState& b
     return result;
 }
 
+int32_t SAboutDialog::onKeyDown (const VstKeyCode& keyCode, CFrame* frame)
+{
+    if (keyCode.virt == VKEY_ESCAPE) {
+        setVisible(false);
+        frame->unregisterKeyboardHook(this);
+        return 1;
+    }
+
+    return -1;
+}
+
+int32_t SAboutDialog::onKeyUp (const VstKeyCode& keyCode, CFrame* frame)
+{
+    (void)keyCode;
+    (void)frame;
+    return -1;
+}
+
 void SAboutDialog::valueChanged(CControl *ctl)
 {
     int32_t tag = ctl->getTag();

plugins/editor/src/editor/DlgAbout.h

@@ -13,7 +13,7 @@
 
 using namespace VSTGUI;
 
-class SAboutDialog : public CViewContainer, public IControlListener {
+class SAboutDialog : public CViewContainer, public IControlListener, public IKeyboardHook{
 
     enum {
         kTagButtonSfztools,
@@ -28,6 +28,8 @@ public:
 
     void setPluginFormat(const std::string& pluginFormat);
     void setPluginHost(const std::string& pluginHost);
+    int32_t onKeyDown (const VstKeyCode& code, CFrame* frame) override;
+    int32_t onKeyUp (const VstKeyCode& code, CFrame* frame) override;
 
 protected:
     CMouseEventResult onMouseDown(CPoint& where, const CButtonState& buttons) override;

plugins/editor/src/editor/Editor.cpp

@@ -2128,7 +2128,10 @@ void Editor::Impl::valueChanged(CControl* ctl)
         if (value != 1)
             break;
 
-        Call::later([this]() { aboutDialog_->setVisible(true); });
+        Call::later([this]() {
+            aboutDialog_->setVisible(true);
+            frame_->registerKeyboardHook(aboutDialog_);
+        });
         break;
 
     case kTagThemeMenu: