X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fmswin%2Ffg_main_mswin.c;h=4ee9008759d8800f3a64ebe069ce7b37336d7f04;hb=29ce77740209818d54bdea174d193307314f4084;hp=4bd703973eb3dd728d598bc1d6ad6033e666e1b8;hpb=0ad162e4550450e4c5e0d930e564e88d1a197575;p=freeglut

diff --git a/src/mswin/fg_main_mswin.c b/src/mswin/fg_main_mswin.c
index 4bd7039..4ee9008 100644
--- a/src/mswin/fg_main_mswin.c
+++ b/src/mswin/fg_main_mswin.c
@@ -349,7 +349,7 @@ static SFG_Window* fghWindowUnderCursor(SFG_Window *window)
      */
     if (window && window->Children.First)   /* This window has childs */
     {
-        SFG_WindowHandleType hwnd;
+        HWND hwnd;
         SFG_Window* child_window;
 
         /* Get mouse position at time of message */
@@ -601,7 +601,9 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
                  */
                 if (FETCH_WCB( *window, Entry ))
                 {
+                    SFG_Window* saved_window = fgStructure.CurrentWindow;
                     INVOKE_WCB( *window, Entry, ( GLUT_ENTERED ) );
+                    fgSetWindow(saved_window);
 
                     tme.cbSize = sizeof(TRACKMOUSEEVENT);
                     tme.dwFlags = TME_LEAVE;
@@ -648,14 +650,22 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
 
     case WM_PAINT:
     {
-        PAINTSTRUCT ps;
-        /* Turn on the visibility in case it was turned off somehow */
-        window->State.Visible = GL_TRUE;
-
-        InvalidateRect( hWnd, NULL, GL_FALSE ); /* Make sure whole window is repainted. Bit of a hack, but a safe one from what google turns up... */
-        BeginPaint( hWnd, &ps );
-        fghRedrawWindow( window );
-        EndPaint( hWnd, &ps );
+        RECT rect;
+
+        if (GetUpdateRect(hWnd,&rect,FALSE))
+        {
+            /* As per docs, upon receiving WM_PAINT, first check if the update region is not empty before you call BeginPaint */
+            PAINTSTRUCT ps;
+
+            /* Turn on the visibility in case it was turned off somehow */
+            window->State.Visible = GL_TRUE;
+
+            InvalidateRect( hWnd, NULL, GL_FALSE );
+            BeginPaint( hWnd, &ps );
+            fghRedrawWindow( window );
+            EndPaint( hWnd, &ps );
+        }
+        lRet = 0;   /* As per docs, should return 0 */
     }
     break;
 
@@ -673,12 +683,13 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
 
     case WM_MOUSEMOVE:
     {
+        /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
 #if defined(_WIN32_WCE)
-        window->State.MouseX = 320-HIWORD( lParam );
+        window->State.MouseX = 320-HIWORD( lParam );    /* XXX: Docs say x should be loword and y hiword? */
         window->State.MouseY = LOWORD( lParam );
 #else
-        window->State.MouseX = LOWORD( lParam );
-        window->State.MouseY = HIWORD( lParam );
+        window->State.MouseX = GET_X_LPARAM( lParam );
+        window->State.MouseY = GET_Y_LPARAM( lParam );
 #endif /* defined(_WIN32_WCE) */
         /* Restrict to [-32768, 32767] to match X11 behaviour       */
         /* See comment in "freeglut_developer" mailing list 10/4/04 */
@@ -716,12 +727,13 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
         GLboolean pressed = GL_TRUE;
         int button;
 
+        /* Per docs, use LOWORD/HIWORD for WinCE and GET_X_LPARAM/GET_Y_LPARAM for desktop windows */
 #if defined(_WIN32_WCE)
-        window->State.MouseX = 320-HIWORD( lParam );
+        window->State.MouseX = 320-HIWORD( lParam );    /* XXX: Docs say x should be loword and y hiword? */
         window->State.MouseY = LOWORD( lParam );
 #else
-        window->State.MouseX = LOWORD( lParam );
-        window->State.MouseY = HIWORD( lParam );
+        window->State.MouseX = GET_X_LPARAM( lParam );
+        window->State.MouseY = GET_Y_LPARAM( lParam );
 #endif /* defined(_WIN32_WCE) */
 
         /* Restrict to [-32768, 32767] to match X11 behaviour       */
@@ -824,10 +836,22 @@ LRESULT CALLBACK fgPlatformWindowProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPAR
 
     case WM_MOUSEWHEEL:
     {
-        SFG_Window *child_window = NULL;
         int wheel_number = 0;   /* Only one scroll wheel on windows */
-        /* int GET_KEYSTATE_WPARAM( wParam ); */
+#if defined(_WIN32_WCE)
+        int modkeys = LOWORD(wParam); 
+        short ticks = (short)HIWORD(wParam);
+        /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
+        xPos = LOWORD(lParam);  -- straight from docs, not consistent with mouse nutton and mouse motion above (which i think is wrong)
+        yPos = HIWORD(lParam);
+        */
+#else
+        /* int modkeys = GET_KEYSTATE_WPARAM( wParam ); */
         short ticks = GET_WHEEL_DELTA_WPARAM( wParam );
+        /* commented out as should not be needed here, mouse motion is processed in WM_MOUSEMOVE first:
+        window->State.MouseX = GET_X_LPARAM( lParam );
+        window->State.MouseY = GET_Y_LPARAM( lParam );
+        */
+#endif /* defined(_WIN32_WCE) */
 
         window = fghWindowUnderCursor(window);