From a2cd3c1905a3a3c2fb96ceb8eaec1cc982a64c97 Mon Sep 17 00:00:00 2001
From: nds <nds@opencascade.com>
Date: Wed, 7 Nov 2018 18:44:12 +0300
Subject: [PATCH] 0030352: DRAW - Extending interface of
 ViewerTest_EventManager to process mouse button event

(cherry picked from commit 41e01634af5fccd37fc86931dac6f5c5569a63da)
(cherry picked from commit 7660866377b29c3cf6ca6aedde23ca57feb5158f)
---
 src/ViewerTest/ViewerTest_EventManager.hxx   | 34 +++++++++++++++++++-
 src/ViewerTest/ViewerTest_ViewerCommands.cxx |  8 +++++
 2 files changed, 41 insertions(+), 1 deletion(-)

diff --git a/src/ViewerTest/ViewerTest_EventManager.hxx b/src/ViewerTest/ViewerTest_EventManager.hxx
index 05352ce608..fcceda9139 100644
--- a/src/ViewerTest/ViewerTest_EventManager.hxx
+++ b/src/ViewerTest/ViewerTest_EventManager.hxx
@@ -31,7 +31,7 @@ class V3d_View;
 class ViewerTest_EventManager;
 DEFINE_STANDARD_HANDLE(ViewerTest_EventManager, Standard_Transient)
 
-//! used to manage mouse event (move,select,shiftselect)
+//! used to manage mouse event (move,press,release). There is an interface to select, shiftselect in view.
 //! By default the events are transmitted to interactive context.
 class ViewerTest_EventManager : public Standard_Transient
 {
@@ -41,6 +41,38 @@ public:
   
   Standard_EXPORT ViewerTest_EventManager(const Handle(V3d_View)& aView, const Handle(AIS_InteractiveContext)& aCtx);
   
+  //! Processing key button pressed
+  //! \param buf_ret key button symbol
+  //! \return true if processed
+  Standard_EXPORT virtual Standard_Boolean ProcessKeyPress (const char* buf_ret) { (void)buf_ret; return Standard_False; }
+
+  //! Processing mouse button pressed
+  //! \param theXPressed X pixel coordinate
+  //! \param theXPressed Y pixel coordinate
+  //! \param theIsShift state if the SHIFT key modifier is ON
+  //! \return true if processed
+  Standard_EXPORT virtual Standard_Boolean ProcessButton1Press (const Standard_Integer theXPressed,
+                                                                const Standard_Integer theYPressed,
+                                                                Standard_Boolean theIsShift)
+  { (void)theXPressed; (void)theYPressed; (void)theIsShift; return Standard_False; }
+
+  //! Processing mouse button released
+  //! \param theXPressed X pixel coordinate
+  //! \param theXPressed Y pixel coordinate
+  //! \param theIsShift state if the SHIFT key modifier is ON
+  //! \return true if processed
+  Standard_EXPORT virtual Standard_Boolean ProcessButton1Release (const Standard_Integer theXPressed,
+                                                                  const Standard_Integer theYPressed,
+                                                                  Standard_Boolean theIsShift)
+  { (void)theXPressed; (void)theYPressed; (void)theIsShift; return Standard_False; }
+
+  //! Processing mouse move over the viewer
+  //! \param theXPressed X pixel coordinate
+  //! \param theXPressed Y pixel coordinate
+  Standard_EXPORT virtual Standard_Boolean ProcessMouseMove (const Standard_Integer theXPressed,
+                                                             const Standard_Integer theYPressed)
+  { (void)theXPressed; (void)theYPressed; return Standard_False; }
+
   Standard_EXPORT virtual void MoveTo (const Standard_Integer xpix, const Standard_Integer ypix);
   
   Standard_EXPORT virtual void Select();
diff --git a/src/ViewerTest/ViewerTest_ViewerCommands.cxx b/src/ViewerTest/ViewerTest_ViewerCommands.cxx
index 5ce04f23d7..9cf474884c 100644
--- a/src/ViewerTest/ViewerTest_ViewerCommands.cxx
+++ b/src/ViewerTest/ViewerTest_ViewerCommands.cxx
@@ -3380,6 +3380,8 @@ static LRESULT WINAPI AdvViewerWindowProc( HWND hwnd,
       break;
 
     case WM_LBUTTONUP:
+      ViewerTest::CurrentEventManager()->ProcessButton1Release (X_Motion, Y_Motion, (fwKeys & MK_SHIFT) != 0);
+
       if (IsDragged && !DragFirst)
       {
         if (!GetActiveAISManipulator().IsNull())
@@ -3412,6 +3414,8 @@ static LRESULT WINAPI AdvViewerWindowProc( HWND hwnd,
       return ViewerWindowProc (hwnd, Msg, wParam, lParam);
 
     case WM_LBUTTONDOWN:
+      ViewerTest::CurrentEventManager()->ProcessButton1Press (LOWORD(lParam), HIWORD(lParam), (fwKeys & MK_SHIFT) != 0);
+
       if (!GetActiveAISManipulator().IsNull())
       {
         IsDragged = ( fwKeys == MK_LBUTTON );
@@ -3430,6 +3434,8 @@ static LRESULT WINAPI AdvViewerWindowProc( HWND hwnd,
       return ViewerWindowProc( hwnd, Msg, wParam, lParam );
 
     case WM_MOUSEMOVE:
+      ViewerTest::CurrentEventManager()->ProcessMouseMove (LOWORD (lParam), HIWORD (lParam));
+
       if (IsDragged)
       {
         X_Motion = LOWORD (lParam);
@@ -3556,6 +3562,8 @@ static LRESULT WINAPI ViewerWindowProc( HWND hwnd,
         {
           c[0] = '*';
         }
+        ViewerTest::CurrentEventManager()->ProcessKeyPress (c);
+
         VT_ProcessKeyPress (c);
       }
       break;
-- 
2.39.5