From ad6680553c643bbb9f7d2b9d3c53127e09667e9a Mon Sep 17 00:00:00 2001
From: ZappoMan <bradh@konamoxt.com>
Date: Wed, 26 Nov 2014 10:46:47 -0800
Subject: [PATCH] snap cursor to center of HMD tools dialog when shown, or app
 when the dialog is hidden

---
 interface/src/ui/HMDToolsDialog.cpp | 15 +++++++++++++++
 interface/src/ui/HMDToolsDialog.h   |  7 +++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/interface/src/ui/HMDToolsDialog.cpp b/interface/src/ui/HMDToolsDialog.cpp
index 70d5d836fc..141b0d61ad 100644
--- a/interface/src/ui/HMDToolsDialog.cpp
+++ b/interface/src/ui/HMDToolsDialog.cpp
@@ -170,4 +170,19 @@ void HMDToolsDialog::closeEvent(QCloseEvent* event) {
     emit closed();
 }
 
+void HMDToolsDialog::centerCursorOnWidget(QWidget* widget) {
+    QWindow* window = widget->windowHandle();
+    QScreen* screen = window->screen();
+    QPoint windowCenter = window->geometry().center();
+    QCursor::setPos(screen, windowCenter);
+}
+
+void HMDToolsDialog::showEvent(QShowEvent* event) {
+    centerCursorOnWidget(this);
+}
+
+void HMDToolsDialog::hideEvent(QHideEvent* event) {
+    centerCursorOnWidget(Application::getInstance()->getWindow());
+}
+
 
diff --git a/interface/src/ui/HMDToolsDialog.h b/interface/src/ui/HMDToolsDialog.h
index c2a36f5a30..f1a5f582cd 100644
--- a/interface/src/ui/HMDToolsDialog.h
+++ b/interface/src/ui/HMDToolsDialog.h
@@ -35,10 +35,13 @@ public slots:
     void applicationWindowScreenChanged(QScreen* screen);
 
 protected:
-    // Emits a 'closed' signal when this dialog is closed.
-    void closeEvent(QCloseEvent*);
+    virtual void closeEvent(QCloseEvent*); // Emits a 'closed' signal when this dialog is closed.
+    virtual void showEvent(QShowEvent* event);
+    virtual void hideEvent(QHideEvent* event);
 
 private:
+    void centerCursorOnWidget(QWidget* widget);
+
     bool _wasMoved;
     QRect _previousRect;
     QScreen* _previousScreen;