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Updating the ChangeLog and TODO files in preparation for the upcoming release
[freeglut] / src / freeglut_window.c
diff --git a/src/freeglut_window.c b/src/freeglut_window.c
index b466602..811f329 100644 (file)
--- a/src/freeglut_window.c
+++ b/src/freeglut_window.c
@@ -25,10 +25,6 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <GL/freeglut.h>
 #include "freeglut_internal.h"
 
@@ -131,6 +127,16 @@ XVisualInfo* fgChooseVisual( void )
             ATTRIB_VAL( GLX_ACCUM_ALPHA_SIZE, 1 );
     }
 
+    if( fgState.DisplayMode & GLUT_AUX1 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 1 );
+    if( fgState.DisplayMode & GLUT_AUX2 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 2 );
+    if( fgState.DisplayMode & GLUT_AUX3 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 3 );
+    if( fgState.DisplayMode & GLUT_AUX4 )
+        ATTRIB_VAL( GLX_AUX_BUFFERS, 4 );
+
+
     /* Push a null at the end of the list */
     ATTRIB( None );
 
@@ -208,7 +214,17 @@ GLboolean fgSetupPixelFormat( SFG_Window* window, GLboolean checkOnly,
     pfd.cDepthBits      = 24;
     pfd.cStencilBits    = 8;
 #endif
-    pfd.cAuxBuffers     = 0;
+    if( fgState.DisplayMode & GLUT_AUX4 )
+        pfd.cAuxBuffers = 4;
+    else if( fgState.DisplayMode & GLUT_AUX3 )
+        pfd.cAuxBuffers = 3;
+    else if( fgState.DisplayMode & GLUT_AUX2 )
+        pfd.cAuxBuffers = 2;
+    else if( fgState.DisplayMode & GLUT_AUX1 )
+        pfd.cAuxBuffers = 1;
+    else
+        pfd.cAuxBuffers = 0;
+
     pfd.iLayerType      = layer_type;
     pfd.bReserved       = 0;
     pfd.dwLayerMask     = 0;
@@ -243,9 +259,9 @@ void fgSetWindow ( SFG_Window *window )
             window->Window.Context
         );
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
-    if( fgStructure.Window )
-        ReleaseDC( fgStructure.Window->Window.Handle,
-                   fgStructure.Window->Window.Device );
+    if( fgStructure.CurrentWindow )
+        ReleaseDC( fgStructure.CurrentWindow->Window.Handle,
+                   fgStructure.CurrentWindow->Window.Device );
 
     if ( window )
     {
@@ -256,7 +272,7 @@ void fgSetWindow ( SFG_Window *window )
         );
     }
 #endif
-    fgStructure.Window = window;
+    fgStructure.CurrentWindow = window;
 }
 
 
@@ -306,7 +322,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
     }
 
     FREEGLUT_INTERNAL_ERROR_EXIT( window->Window.VisualInfo != NULL,
-                                  "Unable to get window visual info", "fgOpenWindow" );
+                                  "Visual with necessary capabilities not found", "fgOpenWindow" );
 
     /*
      * XXX HINT: the masks should be updated when adding/removing callbacks.
@@ -320,7 +336,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
      */
     winAttr.event_mask        =
         StructureNotifyMask | SubstructureNotifyMask | ExposureMask |
-        ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyRelease |
+        ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
         VisibilityChangeMask | EnterWindowMask | LeaveWindowMask |
         PointerMotionMask | ButtonMotionMask;
     winAttr.background_pixmap = None;
@@ -334,7 +350,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
 
     mask = CWBackPixmap | CWBorderPixel | CWColormap | CWEventMask;
 
-    if( window->IsMenu )
+    if( window->IsMenu || ( gameMode == GL_TRUE ) )
     {
         winAttr.override_redirect = True;
         mask |= CWOverrideRedirect;
@@ -405,12 +421,6 @@ void fgOpenWindow( SFG_Window* window, const char* title,
     }
 #endif
 
-    glXMakeCurrent(
-        fgDisplay.Display,
-        window->Window.Handle,
-        window->Window.Context
-    );
-
     /*
      * XXX Assume the new window is visible by default
      * XXX Is this a  safe assumption?
@@ -456,6 +466,12 @@ void fgOpenWindow( SFG_Window* window, const char* title,
     XSetWMProtocols( fgDisplay.Display, window->Window.Handle,
                      &fgDisplay.DeleteWindow, 1 );
 
+    glXMakeCurrent(
+        fgDisplay.Display,
+        window->Window.Handle,
+        window->Window.Context
+    );
+
     XMapWindow( fgDisplay.Display, window->Window.Handle );
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
@@ -577,7 +593,7 @@ void fgOpenWindow( SFG_Window* window, const char* title,
 #endif /* TARGET_HOST_WINCE */
 
     UpdateWindow( window->Window.Handle );
-    ShowCursor( TRUE );  /* XXX Old comments say "hide cusror"! */
+    ShowCursor( TRUE );  /* XXX Old comments say "hide cursor"! */
 
 #endif
 
@@ -607,7 +623,7 @@ void fgCloseWindow( SFG_Window* window )
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
     /* Make sure we don't close a window with current context active */
-    if( fgStructure.Window == window )
+    if( fgStructure.CurrentWindow == window )
         wglMakeCurrent( NULL, NULL );
 
     /*
@@ -662,6 +678,32 @@ int FGAPIENTRY glutCreateSubWindow( int parentID, int x, int y, int w, int h )
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCreateSubWindow" );
     parent = fgWindowByID( parentID );
     freeglut_return_val_if_fail( parent != NULL, 0 );
+    if ( x < 0 )
+    {
+        x = parent->State.Width + x ;
+        if ( w >= 0 ) x -= w ;
+    }
+
+    if ( w < 0 ) w = parent->State.Width - x + w ;
+    if ( w < 0 )
+    {
+        x += w ;
+        w = -w ;
+    }
+
+    if ( y < 0 )
+    {
+        y = parent->State.Height + y ;
+        if ( h >= 0 ) y -= h ;
+    }
+
+    if ( h < 0 ) h = parent->State.Height - y + h ;
+    if ( h < 0 )
+    {
+        y += h ;
+        h = -h ;
+    }
+
     window = fgCreateWindow( parent, "", x, y, w, h, GL_FALSE, GL_FALSE );
     ret = window->ID;
 
@@ -692,8 +734,8 @@ void FGAPIENTRY glutSetWindow( int ID )
     SFG_Window* window = NULL;
 
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindow" );
-    if( fgStructure.Window != NULL )
-        if( fgStructure.Window->ID == ID )
+    if( fgStructure.CurrentWindow != NULL )
+        if( fgStructure.CurrentWindow->ID == ID )
             return;
 
     window = fgWindowByID( ID );
@@ -712,9 +754,9 @@ void FGAPIENTRY glutSetWindow( int ID )
 int FGAPIENTRY glutGetWindow( void )
 {
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindow" );
-    if( fgStructure.Window == NULL )
+    if( fgStructure.CurrentWindow == NULL )
         return 0;
-    return fgStructure.Window->ID;
+    return fgStructure.CurrentWindow->ID;
 }
 
 /*
@@ -727,16 +769,16 @@ void FGAPIENTRY glutShowWindow( void )
 
 #if TARGET_HOST_UNIX_X11
 
-    XMapWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
+    XMapWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle );
     XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
-    ShowWindow( fgStructure.Window->Window.Handle, SW_SHOW );
+    ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_SHOW );
 
 #endif
 
-    fgStructure.Window->State.Redisplay = GL_TRUE;
+    fgStructure.CurrentWindow->State.Redisplay = GL_TRUE;
 }
 
 /*
@@ -749,22 +791,22 @@ void FGAPIENTRY glutHideWindow( void )
 
 #if TARGET_HOST_UNIX_X11
 
-    if( fgStructure.Window->Parent == NULL )
+    if( fgStructure.CurrentWindow->Parent == NULL )
         XWithdrawWindow( fgDisplay.Display,
-                         fgStructure.Window->Window.Handle,
+                         fgStructure.CurrentWindow->Window.Handle,
                          fgDisplay.Screen );
     else
         XUnmapWindow( fgDisplay.Display,
-                      fgStructure.Window->Window.Handle );
+                      fgStructure.CurrentWindow->Window.Handle );
     XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
-    ShowWindow( fgStructure.Window->Window.Handle, SW_HIDE );
+    ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_HIDE );
 
 #endif
 
-    fgStructure.Window->State.Redisplay = GL_FALSE;
+    fgStructure.CurrentWindow->State.Redisplay = GL_FALSE;
 }
 
 /*
@@ -775,20 +817,20 @@ void FGAPIENTRY glutIconifyWindow( void )
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIconifyWindow" );
     FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIconifyWindow" );
 
-    fgStructure.Window->State.Visible   = GL_FALSE;
+    fgStructure.CurrentWindow->State.Visible   = GL_FALSE;
 #if TARGET_HOST_UNIX_X11
 
-    XIconifyWindow( fgDisplay.Display, fgStructure.Window->Window.Handle,
+    XIconifyWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle,
                     fgDisplay.Screen );
     XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
-    ShowWindow( fgStructure.Window->Window.Handle, SW_MINIMIZE );
+    ShowWindow( fgStructure.CurrentWindow->Window.Handle, SW_MINIMIZE );
 
 #endif
 
-    fgStructure.Window->State.Redisplay = GL_FALSE;
+    fgStructure.CurrentWindow->State.Redisplay = GL_FALSE;
 }
 
 /*
@@ -798,7 +840,7 @@ void FGAPIENTRY glutSetWindowTitle( const char* title )
 {
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowTitle" );
     FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowTitle" );
-    if( ! fgStructure.Window->Parent )
+    if( ! fgStructure.CurrentWindow->Parent )
     {
 #if TARGET_HOST_UNIX_X11
 
@@ -811,7 +853,7 @@ void FGAPIENTRY glutSetWindowTitle( const char* title )
 
         XSetWMName(
             fgDisplay.Display,
-            fgStructure.Window->Window.Handle,
+            fgStructure.CurrentWindow->Window.Handle,
             &text
         );
 
@@ -819,13 +861,13 @@ void FGAPIENTRY glutSetWindowTitle( const char* title )
 
 #elif TARGET_HOST_WIN32
 
-        SetWindowText( fgStructure.Window->Window.Handle, title );
+        SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
 
 #elif TARGET_HOST_WINCE
         {
             wchar_t* wstr = fghWstrFromStr(title);
 
-            SetWindowText( fgStructure.Window->Window.Handle, wstr );
+            SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
 
             free(wstr);
         }
@@ -841,7 +883,7 @@ void FGAPIENTRY glutSetIconTitle( const char* title )
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetIconTitle" );
     FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetIconTitle" );
 
-    if( ! fgStructure.Window->Parent )
+    if( ! fgStructure.CurrentWindow->Parent )
     {
 #if TARGET_HOST_UNIX_X11
 
@@ -854,7 +896,7 @@ void FGAPIENTRY glutSetIconTitle( const char* title )
 
         XSetWMIconName(
             fgDisplay.Display,
-            fgStructure.Window->Window.Handle,
+            fgStructure.CurrentWindow->Window.Handle,
             &text
         );
 
@@ -862,13 +904,13 @@ void FGAPIENTRY glutSetIconTitle( const char* title )
 
 #elif TARGET_HOST_WIN32
 
-        SetWindowText( fgStructure.Window->Window.Handle, title );
+        SetWindowText( fgStructure.CurrentWindow->Window.Handle, title );
 
 #elif TARGET_HOST_WINCE
         {
             wchar_t* wstr = fghWstrFromStr(title);
 
-            SetWindowText( fgStructure.Window->Window.Handle, wstr );
+            SetWindowText( fgStructure.CurrentWindow->Window.Handle, wstr );
 
             free(wstr);
         }
@@ -884,9 +926,9 @@ void FGAPIENTRY glutReshapeWindow( int width, int height )
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReshapeWindow" );
     FREEGLUT_EXIT_IF_NO_WINDOW ( "glutReshapeWindow" );
 
-    fgStructure.Window->State.NeedToResize = GL_TRUE;
-    fgStructure.Window->State.Width  = width ;
-    fgStructure.Window->State.Height = height;
+    fgStructure.CurrentWindow->State.NeedToResize = GL_TRUE;
+    fgStructure.CurrentWindow->State.Width  = width ;
+    fgStructure.CurrentWindow->State.Height = height;
 }
 
 /*
@@ -899,7 +941,7 @@ void FGAPIENTRY glutPositionWindow( int x, int y )
 
 #if TARGET_HOST_UNIX_X11
 
-    XMoveWindow( fgDisplay.Display, fgStructure.Window->Window.Handle,
+    XMoveWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle,
                  x, y );
     XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
 
@@ -909,9 +951,9 @@ void FGAPIENTRY glutPositionWindow( int x, int y )
         RECT winRect;
 
         /* "GetWindowRect" returns the pixel coordinates of the outside of the window */
-        GetWindowRect( fgStructure.Window->Window.Handle, &winRect );
+        GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
         MoveWindow(
-            fgStructure.Window->Window.Handle,
+            fgStructure.CurrentWindow->Window.Handle,
             x,
             y,
             winRect.right - winRect.left,
@@ -933,12 +975,12 @@ void FGAPIENTRY glutPushWindow( void )
 
 #if TARGET_HOST_UNIX_X11
 
-    XLowerWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
+    XLowerWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle );
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
     SetWindowPos(
-        fgStructure.Window->Window.Handle,
+        fgStructure.CurrentWindow->Window.Handle,
         HWND_BOTTOM,
         0, 0, 0, 0,
         SWP_NOSIZE | SWP_NOMOVE
@@ -957,12 +999,12 @@ void FGAPIENTRY glutPopWindow( void )
 
 #if TARGET_HOST_UNIX_X11
 
-    XRaiseWindow( fgDisplay.Display, fgStructure.Window->Window.Handle );
+    XRaiseWindow( fgDisplay.Display, fgStructure.CurrentWindow->Window.Handle );
 
 #elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
 
     SetWindowPos(
-        fgStructure.Window->Window.Handle,
+        fgStructure.CurrentWindow->Window.Handle,
         HWND_TOP,
         0, 0, 0, 0,
         SWP_NOSIZE | SWP_NOMOVE
@@ -986,7 +1028,7 @@ void FGAPIENTRY glutFullScreen( void )
 
         XMoveResizeWindow(
             fgDisplay.Display,
-            fgStructure.Window->Window.Handle,
+            fgStructure.CurrentWindow->Window.Handle,
             0, 0,
             fgDisplay.ScreenWidth,
             fgDisplay.ScreenHeight
@@ -996,7 +1038,7 @@ void FGAPIENTRY glutFullScreen( void )
 
         XTranslateCoordinates(
             fgDisplay.Display,
-            fgStructure.Window->Window.Handle,
+            fgStructure.CurrentWindow->Window.Handle,
             fgDisplay.RootWindow,
             0, 0, &x, &y, &w
         );
@@ -1005,7 +1047,7 @@ void FGAPIENTRY glutFullScreen( void )
         {
             XMoveWindow(
                 fgDisplay.Display,
-                fgStructure.Window->Window.Handle,
+                fgStructure.CurrentWindow->Window.Handle,
                 -x, -y
             );
             XFlush( fgDisplay.Display ); /* XXX Shouldn't need this */
@@ -1033,7 +1075,7 @@ void FGAPIENTRY glutFullScreen( void )
          * SWP_NOZORDER       Retains the current Z order (ignore 2nd param)
          */
 
-        SetWindowPos( fgStructure.Window->Window.Handle,
+        SetWindowPos( fgStructure.CurrentWindow->Window.Handle,
                       HWND_TOP,
                       rect.left,
                       rect.top,
@@ -1053,14 +1095,14 @@ void* FGAPIENTRY glutGetWindowData( void )
 {
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetWindowData" );
     FREEGLUT_EXIT_IF_NO_WINDOW ( "glutGetWindowData" );
-    return fgStructure.Window->UserData;
+    return fgStructure.CurrentWindow->UserData;
 }
 
 void FGAPIENTRY glutSetWindowData(void* data)
 {
     FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetWindowData" );
     FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSetWindowData" );
-    fgStructure.Window->UserData = data;
+    fgStructure.CurrentWindow->UserData = data;
 }
 
 /*** END OF FILE ***/
FreeGLUT