* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#define G_LOG_DOMAIN "freeglut-state"
-
-#include "../include/GL/freeglut.h"
+#include <GL/freeglut.h>
#include "freeglut_internal.h"
/*
* TODO BEFORE THE STABLE RELEASE:
*
- * glutGet() -- X11 tests passed, but check if all enums handled (what about Win32?)
- * glutDeviceGet() -- X11 tests passed, but check if all enums handled (what about Win32?)
+ * glutGet() -- X11 tests passed, but check if all enums
+ * handled (what about Win32?)
+ * glutDeviceGet() -- X11 tests passed, but check if all enums
+ * handled (what about Win32?)
* glutGetModifiers() -- OK, but could also remove the limitation
* glutLayerGet() -- what about GLUT_NORMAL_DAMAGED?
*
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
/*
* Queries the GL context about some attributes
*/
static int fghGetConfig( int attribute )
{
- int returnValue ;
-
- /*
- * Return nothing if there is no current window set
- */
- if( fgStructure.Window == NULL )
- return( 0 );
+ int returnValue = 0;
- /*
- * glXGetConfig should work fine
- */
- glXGetConfig( fgDisplay.Display, fgStructure.Window->Window.VisualInfo, attribute, &returnValue );
+ if( fgStructure.CurrentWindow )
+ glXGetConfig( fgDisplay.Display, fgStructure.CurrentWindow->Window.VisualInfo,
+ attribute, &returnValue );
-
- /*
- * Have the query results returned
- */
- return ( returnValue ) ;
+ return returnValue;
}
#endif
*/
void FGAPIENTRY glutSetOption( GLenum eWhat, int value )
{
- freeglut_assert_ready;
-
- /*
- * Check what is the caller querying for. In chronological code add order.
- */
- switch( eWhat )
- {
- case GLUT_INIT_WINDOW_X: fgState.Position.X = (GLint)value ;
- break ;
- case GLUT_INIT_WINDOW_Y: fgState.Position.Y = (GLint)value ;
- break ;
- case GLUT_INIT_WINDOW_WIDTH: fgState.Size.X = (GLint)value ;
- break ;
- case GLUT_INIT_WINDOW_HEIGHT: fgState.Size.Y = (GLint)value ;
- break ;
- case GLUT_INIT_DISPLAY_MODE: fgState.DisplayMode = (unsigned int)value ;
- break ;
-
- case GLUT_ACTION_ON_WINDOW_CLOSE: fgState.ActionOnWindowClose = value ;
- break ;
-
- case GLUT_WINDOW_CURSOR:
- if( fgStructure.Window != NULL ) fgStructure.Window->State.Cursor = value ;
- break ;
-
- default:
- /*
- * Just have it reported, so that we can see what needs to be implemented
- */
- fgWarning( "glutSetOption(): missing enum handle %i\n", eWhat );
- break;
- }
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetOption" );
+
+ /*
+ * XXX In chronological code add order. (WHY in that order?)
+ */
+ switch( eWhat )
+ {
+ case GLUT_INIT_WINDOW_X:
+ fgState.Position.X = (GLint)value;
+ break;
+
+ case GLUT_INIT_WINDOW_Y:
+ fgState.Position.Y = (GLint)value;
+ break;
+
+ case GLUT_INIT_WINDOW_WIDTH:
+ fgState.Size.X = (GLint)value;
+ break;
+
+ case GLUT_INIT_WINDOW_HEIGHT:
+ fgState.Size.Y = (GLint)value;
+ break;
+
+ case GLUT_INIT_DISPLAY_MODE:
+ fgState.DisplayMode = (unsigned int)value;
+ break;
+
+ case GLUT_ACTION_ON_WINDOW_CLOSE:
+ fgState.ActionOnWindowClose = value;
+ break;
+
+ case GLUT_RENDERING_CONTEXT:
+ fgState.UseCurrentContext =
+ ( value == GLUT_USE_CURRENT_CONTEXT ) ? GL_TRUE : GL_FALSE;
+ break;
+
+ case GLUT_DIRECT_RENDERING:
+ fgState.DirectContext = value;
+ break;
+
+ case GLUT_WINDOW_CURSOR:
+ if( fgStructure.CurrentWindow != NULL )
+ fgStructure.CurrentWindow->State.Cursor = value;
+ break;
+
+ default:
+ fgWarning( "glutSetOption(): missing enum handle %d", eWhat );
+ break;
+ }
}
+#if TARGET_HOST_MS_WINDOWS
+/* WRONG-- FIXME */
+/* The following include file is available from SGI but is not standard:
+ * #include <GL/wglext.h>
+ * So we copy the necessary parts out of it to support the multisampling query
+ */
+#define WGL_SAMPLES_ARB 0x2042
+#endif
+
+
/*
* General settings query method
*/
int FGAPIENTRY glutGet( GLenum eWhat )
{
+#if TARGET_HOST_MS_WINDOWS
int returnValue ;
GLboolean boolValue ;
+#endif
- if ( eWhat == GLUT_INIT_STATE )
- return ( fgState.Time.Set ) ;
-
- freeglut_assert_ready;
+ int nsamples = 0;
- /*
- * Check what is the caller querying for. In chronological code add order.
- */
- switch( eWhat )
+ switch (eWhat)
{
+ case GLUT_INIT_STATE:
+ return fgState.Initialised;
+
case GLUT_ELAPSED_TIME:
- /*
- * This is easy and nicely portable, as we are using GLib...
- */
- return( fgElapsedTime() );
+ return fgElapsedTime();
+ }
- /*
- * Following values are stored in fgState and fgDisplay global structures
- */
- case GLUT_SCREEN_WIDTH: return( fgDisplay.ScreenWidth );
- case GLUT_SCREEN_HEIGHT: return( fgDisplay.ScreenHeight );
- case GLUT_SCREEN_WIDTH_MM: return( fgDisplay.ScreenWidthMM );
- case GLUT_SCREEN_HEIGHT_MM: return( fgDisplay.ScreenHeightMM );
- case GLUT_INIT_WINDOW_X: return( fgState.Position.X );
- case GLUT_INIT_WINDOW_Y: return( fgState.Position.Y );
- case GLUT_INIT_WINDOW_WIDTH: return( fgState.Size.X );
- case GLUT_INIT_WINDOW_HEIGHT: return( fgState.Size.Y );
- case GLUT_INIT_DISPLAY_MODE: return( fgState.DisplayMode );
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGet" );
+ /* XXX In chronological code add order. (WHY in that order?) */
+ switch( eWhat )
+ {
+ /* Following values are stored in fgState and fgDisplay global structures */
+ case GLUT_SCREEN_WIDTH: return fgDisplay.ScreenWidth ;
+ case GLUT_SCREEN_HEIGHT: return fgDisplay.ScreenHeight ;
+ case GLUT_SCREEN_WIDTH_MM: return fgDisplay.ScreenWidthMM ;
+ case GLUT_SCREEN_HEIGHT_MM: return fgDisplay.ScreenHeightMM;
+ case GLUT_INIT_WINDOW_X: return fgState.Position.X ;
+ case GLUT_INIT_WINDOW_Y: return fgState.Position.Y ;
+ case GLUT_INIT_WINDOW_WIDTH: return fgState.Size.X ;
+ case GLUT_INIT_WINDOW_HEIGHT: return fgState.Size.Y ;
+ case GLUT_INIT_DISPLAY_MODE: return fgState.DisplayMode ;
+
+#if TARGET_HOST_POSIX_X11
/*
- * The window/context specific queries are handled mostly by fghGetConfig().
+ * The window/context specific queries are handled mostly by
+ * fghGetConfig().
*/
case GLUT_WINDOW_NUM_SAMPLES:
- /*
- * Multisampling. Return what I know about multisampling.
- */
- return( 0 );
+#ifdef GLX_VERSION_1_3
+ glGetIntegerv(GL_SAMPLES, &nsamples);
+#endif
+ return nsamples;
-#if TARGET_HOST_UNIX_X11
/*
- * The rest of GLX queries under X are general enough to use a macro to check them
+ * The rest of GLX queries under X are general enough to use a macro to
+ * check them
*/
-# define GLX_QUERY(a,b) case a: return( fghGetConfig( b ) );
+# define GLX_QUERY(a,b) case a: return fghGetConfig( b );
GLX_QUERY( GLUT_WINDOW_RGBA, GLX_RGBA );
GLX_QUERY( GLUT_WINDOW_DOUBLEBUFFER, GLX_DOUBLEBUFFER );
# undef GLX_QUERY
- /*
- * Colormap size is handled in a bit different way than all the rest
- */
+ /* Colormap size is handled in a bit different way than all the rest */
case GLUT_WINDOW_COLORMAP_SIZE:
- /*
- * Check for the visual type
- */
- if( (fghGetConfig( GLX_RGBA )) || (fgStructure.Window == NULL) )
+ if( (fghGetConfig( GLX_RGBA )) || (fgStructure.CurrentWindow == NULL) )
{
/*
* We've got a RGBA visual, so there is no colormap at all.
* The other possibility is that we have no current window set.
*/
- return( 0 );
+ return 0;
}
-
- /*
- * Otherwise return the number of entries in the colormap
- */
- return( fgStructure.Window->Window.VisualInfo->visual->map_entries );
+ return fgStructure.CurrentWindow->Window.VisualInfo->visual->map_entries;
/*
- * Those calls are somewhat similiar, as they use XGetWindowAttributes() function
+ * Those calls are somewhat similiar, as they use XGetWindowAttributes()
+ * function
*/
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
+ case GLUT_WINDOW_BORDER_WIDTH:
+ case GLUT_WINDOW_HEADER_HEIGHT:
+ {
+ int x, y;
+ Window w;
+
+ if( fgStructure.CurrentWindow == NULL )
+ return 0;
+
+ XTranslateCoordinates(
+ fgDisplay.Display,
+ fgStructure.CurrentWindow->Window.Handle,
+ fgDisplay.RootWindow,
+ 0, 0, &x, &y, &w);
+
+ switch ( eWhat )
+ {
+ case GLUT_WINDOW_X: return x;
+ case GLUT_WINDOW_Y: return y;
+ }
+
+ if ( w == 0 )
+ return 0;
+ XTranslateCoordinates(
+ fgDisplay.Display,
+ fgStructure.CurrentWindow->Window.Handle,
+ w, 0, 0, &x, &y, &w);
+
+ switch ( eWhat )
+ {
+ case GLUT_WINDOW_BORDER_WIDTH: return x;
+ case GLUT_WINDOW_HEADER_HEIGHT: return y;
+ }
+ }
+
case GLUT_WINDOW_WIDTH:
case GLUT_WINDOW_HEIGHT:
- case GLUT_WINDOW_BORDER_WIDTH :
- case GLUT_WINDOW_HEADER_HEIGHT :
{
XWindowAttributes winAttributes;
- /*
- * Return zero if there is no current window set
- */
- if( fgStructure.Window == NULL )
- return( 0 );
-
- /*
- * Grab the current window's attributes now
- */
+ if( fgStructure.CurrentWindow == NULL )
+ return 0;
XGetWindowAttributes(
fgDisplay.Display,
- fgStructure.Window->Window.Handle,
+ fgStructure.CurrentWindow->Window.Handle,
&winAttributes
);
-
- /*
- * See which window attribute to return
- */
switch ( eWhat )
{
- case GLUT_WINDOW_X: return winAttributes.x ;
- case GLUT_WINDOW_Y: return winAttributes.y ;
case GLUT_WINDOW_WIDTH: return winAttributes.width ;
case GLUT_WINDOW_HEIGHT: return winAttributes.height ;
- case GLUT_WINDOW_BORDER_WIDTH : return winAttributes.border_width ;
- case GLUT_WINDOW_HEADER_HEIGHT : return winAttributes.border_width * 3 ; /* a kludge for now */
}
}
- /*
- * I do not know yet if there will be a fgChooseVisual() function for Win32
- */
+ /* I do not know yet if there will be a fgChooseVisual() function for Win32 */
case GLUT_DISPLAY_MODE_POSSIBLE:
- /*
- * Check if the current display mode is possible
- */
- return( fgChooseVisual() == NULL ? 0 : 1 );
+ {
+ XVisualInfo* visualInfo = fgChooseVisual();
+ if ( visualInfo == NULL ) {
+ return 0;
+ } else {
+ XFree( visualInfo );
+ return 1;
+ }
+ }
- /*
- * This is system-dependant
- */
+ /* This is system-dependant */
case GLUT_WINDOW_FORMAT_ID:
- /*
- * Return the visual ID, if there is a current window naturally:
- */
- if( fgStructure.Window == NULL )
- return( 0 );
+ if( fgStructure.CurrentWindow == NULL )
+ return 0;
- return( fgStructure.Window->Window.VisualInfo->visualid );
+ return fgStructure.CurrentWindow->Window.VisualInfo->visualid;
-#elif TARGET_HOST_WIN32
+#elif TARGET_HOST_MS_WINDOWS
- /*
- * Handle the OpenGL inquiries
- */
+ case GLUT_WINDOW_NUM_SAMPLES:
+ glGetIntegerv(WGL_SAMPLES_ARB, &nsamples);
+ return nsamples;
+
+ /* Handle the OpenGL inquiries */
case GLUT_WINDOW_RGBA:
- glGetBooleanv ( GL_RGBA_MODE, &boolValue ) ; /* True if color buffers store RGBA */
- returnValue = boolValue ? 1 : 0 ;
- return ( returnValue ) ;
+ glGetBooleanv ( GL_RGBA_MODE, &boolValue );
+ returnValue = boolValue ? 1 : 0;
+ return returnValue;
case GLUT_WINDOW_DOUBLEBUFFER:
- glGetBooleanv ( GL_DOUBLEBUFFER, &boolValue ) ; /* True if front and back buffers exist */
- returnValue = boolValue ? 1 : 0 ;
- return ( returnValue ) ;
+ glGetBooleanv ( GL_DOUBLEBUFFER, &boolValue );
+ returnValue = boolValue ? 1 : 0;
+ return returnValue;
case GLUT_WINDOW_STEREO:
- glGetBooleanv ( GL_STEREO, &boolValue ) ; /* True if left and right buffers exist */
- returnValue = boolValue ? 1 : 0 ;
- return ( returnValue ) ;
+ glGetBooleanv ( GL_STEREO, &boolValue );
+ returnValue = boolValue ? 1 : 0;
+ return returnValue;
case GLUT_WINDOW_RED_SIZE:
- glGetIntegerv ( GL_RED_BITS, &returnValue ) ; /* Number of bits per red component in color buffers */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_RED_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_GREEN_SIZE:
- glGetIntegerv ( GL_GREEN_BITS, &returnValue ) ; /* Number of bits per green component in color buffers */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_GREEN_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_BLUE_SIZE:
- glGetIntegerv ( GL_BLUE_BITS, &returnValue ) ; /* Number of bits per blue component in color buffers */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_BLUE_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_ALPHA_SIZE:
- glGetIntegerv ( GL_ALPHA_BITS, &returnValue ) ; /* Number of bits per alpha component in color buffers */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_ALPHA_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_ACCUM_RED_SIZE:
- glGetIntegerv ( GL_ACCUM_RED_BITS, &returnValue ) ; /* Number of bits per red component in the accumulation buffer */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_ACCUM_RED_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_ACCUM_GREEN_SIZE:
- glGetIntegerv ( GL_ACCUM_GREEN_BITS, &returnValue ) ; /* Number of bits per green component in the accumulation buffer */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_ACCUM_GREEN_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_ACCUM_BLUE_SIZE:
- glGetIntegerv ( GL_ACCUM_BLUE_BITS, &returnValue ) ; /* Number of bits per blue component in the accumulation buffer */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_ACCUM_BLUE_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_ACCUM_ALPHA_SIZE:
- glGetIntegerv ( GL_ACCUM_ALPHA_BITS, &returnValue ) ; /* Number of bits per alpha component in the accumulation buffer */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_ACCUM_ALPHA_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_DEPTH_SIZE:
- glGetIntegerv ( GL_DEPTH_BITS, &returnValue ) ; /* Number of depth-buffer bitplanes */
- return ( returnValue ) ;
+ glGetIntegerv ( GL_DEPTH_BITS, &returnValue );
+ return returnValue;
case GLUT_WINDOW_BUFFER_SIZE:
returnValue = 1 ; /* ????? */
- return ( returnValue ) ;
+ return returnValue;
case GLUT_WINDOW_STENCIL_SIZE:
returnValue = 0 ; /* ????? */
- return ( returnValue ) ;
+ return returnValue;
- /*
- * Window position and size
- */
case GLUT_WINDOW_X:
case GLUT_WINDOW_Y:
case GLUT_WINDOW_WIDTH:
case GLUT_WINDOW_HEIGHT:
{
/*
- * There is considerable confusion about the "right thing to do" concerning window
- * size and position. GLUT itself is not consistent between Windows and Linux; since
- * platform independence is a virtue for "freeglut", we decided to break with GLUT's
- * behaviour.
- * Under Linux, it is apparently not possible to get the window border sizes in order
- * to subtract them off the window's initial position until some time after the window
- * has been created. Therefore we decided on the following behaviour, both under
- * Windows and under Linux:
- * - When you create a window with position (x,y) and size (w,h), the upper left hand
- * corner of the outside of the window is at (x,y) and the size of the drawable area
- * is (w,h).
- * - When you query the size and position of the window--as is happening here for
- * Windows--"freeglut" will return the size of the drawable area--the (w,h) that you
- * specified when you created the window--and the coordinates of the upper left hand
- * corner of the drawable area--which is NOT the (x,y) you specified.
+ * There is considerable confusion about the "right thing to
+ * do" concerning window size and position. GLUT itself is
+ * not consistent between Windows and UNIX/X11; since
+ * platform independence is a virtue for "freeglut", we
+ * decided to break with GLUT's behaviour.
+ *
+ * Under UNIX/X11, it is apparently not possible to get the
+ * window border sizes in order to subtract them off the
+ * window's initial position until some time after the window
+ * has been created. Therefore we decided on the following
+ * behaviour, both under Windows and under UNIX/X11:
+ * - When you create a window with position (x,y) and size
+ * (w,h), the upper left hand corner of the outside of the
+ * window is at (x,y) and the size of the drawable area is
+ * (w,h).
+ * - When you query the size and position of the window--as
+ * is happening here for Windows--"freeglut" will return
+ * the size of the drawable area--the (w,h) that you
+ * specified when you created the window--and the coordinates
+ * of the upper left hand corner of the drawable
+ * area--which is NOT the (x,y) you specified.
*/
RECT winRect;
- /*
- * Check if there is a window to be queried for dimensions:
- */
- freeglut_return_val_if_fail( fgStructure.Window != NULL, 0 );
+ freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
/*
* We need to call GetWindowRect() first...
* (this returns the pixel coordinates of the outside of the window)
*/
- GetWindowRect( fgStructure.Window->Window.Handle, &winRect );
+ GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
- /*
- * ...then we've got to correct the results we've just received...
- */
- if (fgStructure.GameMode != fgStructure.Window &&
- fgStructure.Window->Parent == NULL )
+ /* ...then we've got to correct the results we've just received... */
+
+#if !defined(_WIN32_WCE)
+ if ( ( fgStructure.GameModeWindow != fgStructure.CurrentWindow ) && ( fgStructure.CurrentWindow->Parent == NULL ) &&
+ ( ! fgStructure.CurrentWindow->IsMenu ) )
{
winRect.left += GetSystemMetrics( SM_CXSIZEFRAME );
winRect.right -= GetSystemMetrics( SM_CXSIZEFRAME );
winRect.top += GetSystemMetrics( SM_CYSIZEFRAME ) + GetSystemMetrics( SM_CYCAPTION );
winRect.bottom -= GetSystemMetrics( SM_CYSIZEFRAME );
}
+#endif /* !defined(_WIN32_WCE) */
- /*
- * ...and finally return the caller the desired value:
- */
switch( eWhat )
{
- case GLUT_WINDOW_X: return( winRect.left );
- case GLUT_WINDOW_Y: return( winRect.top );
- case GLUT_WINDOW_WIDTH: return( winRect.right - winRect.left );
- case GLUT_WINDOW_HEIGHT: return( winRect.bottom - winRect.top );
+ case GLUT_WINDOW_X: return winRect.left ;
+ case GLUT_WINDOW_Y: return winRect.top ;
+ case GLUT_WINDOW_WIDTH: return winRect.right - winRect.left;
+ case GLUT_WINDOW_HEIGHT: return winRect.bottom - winRect.top;
}
}
break;
case GLUT_WINDOW_BORDER_WIDTH :
- return ( GetSystemMetrics( SM_CXSIZEFRAME ) ) ;
+#if defined(_WIN32_WCE)
+ return 0;
+#else
+ return GetSystemMetrics( SM_CXSIZEFRAME );
+#endif /* !defined(_WIN32_WCE) */
case GLUT_WINDOW_HEADER_HEIGHT :
- return ( GetSystemMetrics( SM_CYCAPTION ) ) ;
+#if defined(_WIN32_WCE)
+ return 0;
+#else
+ return GetSystemMetrics( SM_CYCAPTION );
+#endif /* defined(_WIN32_WCE) */
case GLUT_DISPLAY_MODE_POSSIBLE:
- /*
- * Check if the current display mode is possible
- */
- return( fgSetupPixelFormat( fgStructure.Window, TRUE, PFD_MAIN_PLANE ) );
+#if defined(_WIN32_WCE)
+ return GL_FALSE;
+#else
+ return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
+ PFD_MAIN_PLANE );
+#endif /* defined(_WIN32_WCE) */
- case GLUT_WINDOW_FORMAT_ID:
- /*
- * Return the pixel format of the current window
- */
- if( fgStructure.Window != NULL )
- return( GetPixelFormat( fgStructure.Window->Window.Device ) );
- /*
- * If the current window does not exist, fail:
- */
- return( 0 );
+ case GLUT_WINDOW_FORMAT_ID:
+#if !defined(_WIN32_WCE)
+ if( fgStructure.CurrentWindow != NULL )
+ return GetPixelFormat( fgStructure.CurrentWindow->Window.Device );
+#endif /* defined(_WIN32_WCE) */
+ return 0;
#endif
- /*
- * The window structure queries
- */
+ /* The window structure queries */
case GLUT_WINDOW_PARENT:
- /*
- * Return the ID number of current window's parent, if any
- */
- if( fgStructure.Window == NULL ) return( 0 );
- if( fgStructure.Window->Parent == NULL ) return( 0 );
-
- return( fgStructure.Window->Parent->ID );
+ if( fgStructure.CurrentWindow == NULL ) return 0;
+ if( fgStructure.CurrentWindow->Parent == NULL ) return 0;
+ return fgStructure.CurrentWindow->Parent->ID;
case GLUT_WINDOW_NUM_CHILDREN:
- /*
- * Return the number of children attached to the current window
- */
- if( fgStructure.Window == NULL )
- return( 0 );
-
- return( fgListLength( &fgStructure.Window->Children ) );
+ if( fgStructure.CurrentWindow == NULL )
+ return 0;
+ return fgListLength( &fgStructure.CurrentWindow->Children );
case GLUT_WINDOW_CURSOR:
- /*
- * Return the currently selected window cursor
- */
- if( fgStructure.Window == NULL )
- return( 0 );
-
- return( fgStructure.Window->State.Cursor );
+ if( fgStructure.CurrentWindow == NULL )
+ return 0;
+ return fgStructure.CurrentWindow->State.Cursor;
case GLUT_MENU_NUM_ITEMS:
- /*
- * Return the number of menu entries in the current menu
- */
- if( fgStructure.Menu == NULL )
- return( 0 );
-
- return( fgListLength( &fgStructure.Menu->Entries ) );
+ if( fgStructure.CurrentMenu == NULL )
+ return 0;
+ return fgListLength( &fgStructure.CurrentMenu->Entries );
case GLUT_ACTION_ON_WINDOW_CLOSE:
- return fgState.ActionOnWindowClose;
+ return fgState.ActionOnWindowClose;
- case GLUT_VERSION:
- return VERSION_MAJOR * 10000 + VERSION_MINOR * 100 + VERSION_PATCH;
+ case GLUT_VERSION :
+ return VERSION_MAJOR * 10000 + VERSION_MINOR * 100 + VERSION_PATCH;
+
+ case GLUT_RENDERING_CONTEXT:
+ return fgState.UseCurrentContext ? GLUT_USE_CURRENT_CONTEXT
+ : GLUT_CREATE_NEW_CONTEXT;
+
+ case GLUT_DIRECT_RENDERING:
+ return fgState.DirectContext;
+ break;
default:
- /*
- * Just have it reported, so that we can see what needs to be implemented
- */
- fgWarning( "glutGet(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutGet(): missing enum handle %d", eWhat );
break;
}
-
- /*
- * If nothing happens, then we are in deep trouble...
- */
- return( -1 );
+ return -1;
}
/*
*/
int FGAPIENTRY glutDeviceGet( GLenum eWhat )
{
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDeviceGet" );
- /*
- * See why are we bothered...
- *
- * WARNING: we are mostly lying in this function.
- */
+ /* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* We always have a keyboard present on PC machines...
+ *
+ * XXX I think that some of my PCs will boot without a keyboard.
+ * XXX Also, who says that we are running on a PC? UNIX/X11
+ * XXX is much more generic, and X11 can go over a network.
+ * XXX Though in actuality, we can probably assume BOTH a
+ * XXX mouse and keyboard for most/all of our users.
*/
- return( TRUE );
+ return TRUE ;
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
case GLUT_HAS_MOUSE:
- /*
- * Hey, my Atari 65XE hasn't had a mouse!
- */
- return( TRUE );
+ return TRUE ;
case GLUT_NUM_MOUSE_BUTTONS:
/*
* Return the number of mouse buttons available. This is a big guess.
- */
- return( 3 );
-
-#elif TARGET_HOST_WIN32
+ *
+ * XXX We can probe /var/run/dmesg.boot which is world-readable.
+ * XXX This would be somewhat system-dependant, but is doable.
+ * XXX E.g., on NetBSD, my USB mouse registers:
+ * XXX ums0 at uhidev0: 3 buttons and Z dir.
+ * XXX We can also probe /var/log/XFree86\..*\.log to get
+ * XXX lines such as:
+ * XXX (**) Option "Buttons" "5"
+ * XXX (**) Option "ZAxisMapping" "4 5"
+ * XXX (**) Mouse0: ZAxisMapping: buttons 4 and 5
+ * XXX (**) Mouse0: Buttons: 5
+ * XXX ...which tells us even more, and is a bit less
+ * XXX system-dependant. (Other than MS-WINDOWS, all
+ * XXX target hosts with actual users are probably running
+ * XXX XFree86...) It is at least worth taking a look at
+ * XXX this file.
+ */
+ return 3 ;
+
+#elif TARGET_HOST_MS_WINDOWS
case GLUT_HAS_MOUSE:
/*
- * The Windows can be booted without a mouse.
+ * The Windows can be booted without a mouse.
* It would be nice to have this reported.
*/
- return( GetSystemMetrics( SM_MOUSEPRESENT ) );
+ return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
- /*
- * We are much more fortunate under Win32 about this...
- */
- return( GetSystemMetrics( SM_CMOUSEBUTTONS ) );
+ /* We are much more fortunate under Win32 about this... */
+#if defined(_WIN32_WCE)
+ return 1;
+#else
+ return GetSystemMetrics( SM_CMOUSEBUTTONS );
+#endif /* defined(_WIN32_WCE) */
#endif
- case GLUT_JOYSTICK_POLL_RATE:
case GLUT_HAS_JOYSTICK:
+ return fgJoystickDetect ();
+
+ case GLUT_OWNS_JOYSTICK:
+ return fgState.JoysticksInitialised;
+
+ case GLUT_JOYSTICK_POLL_RATE:
+ return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.JoystickPollRate : 0;
+
+ /* XXX The following two are only for Joystick 0 but this is an improvement */
case GLUT_JOYSTICK_BUTTONS:
+ return glutJoystickGetNumButtons ( 0 );
+
case GLUT_JOYSTICK_AXES:
- /*
- * WARNING: THIS IS A BIG LIE!
- */
- return( 0 );
+ return glutJoystickGetNumAxes ( 0 );
- case GLUT_HAS_SPACEBALL:
case GLUT_HAS_DIAL_AND_BUTTON_BOX:
+ return fgInputDeviceDetect ();
+
+ case GLUT_NUM_DIALS:
+ if ( fgState.InputDevsInitialised ) return 8;
+ return 0;
+
+ case GLUT_NUM_BUTTON_BOX_BUTTONS:
+ return 0;
+
+ case GLUT_HAS_SPACEBALL:
case GLUT_HAS_TABLET:
- /*
- * Sounds cool. And unuseful.
- */
- return( FALSE );
+ return FALSE;
case GLUT_NUM_SPACEBALL_BUTTONS:
- case GLUT_NUM_BUTTON_BOX_BUTTONS:
- case GLUT_NUM_DIALS:
case GLUT_NUM_TABLET_BUTTONS:
- /*
- * Zero is not the answer. Zero is the question. Continuum is the answer.
- */
- return( 0 );
+ return 0;
case GLUT_DEVICE_IGNORE_KEY_REPEAT:
- /*
- * Return what we think about the key auto repeat settings
- */
- return( fgState.IgnoreKeyRepeat );
+ return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.IgnoreKeyRepeat : 0;
case GLUT_DEVICE_KEY_REPEAT:
- /*
- * WARNING: THIS IS A BIG LIE!
- */
- return( GLUT_KEY_REPEAT_DEFAULT );
+ return fgState.KeyRepeat;
default:
- /*
- * Complain.
- */
- fgWarning( "glutDeviceGet(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
}
- /*
- * And now -- the failure.
- */
- return( -1 );
+ /* And now -- the failure. */
+ return -1;
}
/*
*/
int FGAPIENTRY glutGetModifiers( void )
{
- /*
- * Fail if there is no current window or called outside an input callback
- */
- if( fgStructure.Window == NULL )
- return( 0 );
-
- if( fgStructure.Window->State.Modifiers == 0xffffffff )
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetModifiers" );
+ if( fgState.Modifiers == INVALID_MODIFIERS )
{
fgWarning( "glutGetModifiers() called outside an input callback" );
- return( 0 );
+ return 0;
}
- /*
- * Return the current modifiers state otherwise
- */
- return( fgStructure.Window->State.Modifiers );
+ return fgState.Modifiers;
}
/*
*/
int FGAPIENTRY glutLayerGet( GLenum eWhat )
{
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLayerGet" );
/*
* This is easy as layers are not implemented ;-)
+ *
+ * XXX Can we merge the UNIX/X11 and WIN32 sections? Or
+ * XXX is overlay support planned?
*/
switch( eWhat )
{
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
case GLUT_OVERLAY_POSSIBLE:
- /*
- * Nope, overlays are not possible.
- */
- return( FALSE );
+ return FALSE;
case GLUT_LAYER_IN_USE:
- /*
- * The normal plane is always in use
- */
- return( GLUT_NORMAL );
+ return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
- /*
- * No window is allowed to have an overlay
- */
- return( FALSE );
+ return FALSE;
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
+ *
+ * XXX HUH?
*/
- return( 0 );
+ return 0;
case GLUT_NORMAL_DAMAGED:
- /*
- * Actually I do not know. Maybe.
- */
- return( FALSE );
+ /* XXX Actually I do not know. Maybe. */
+ return FALSE;
case GLUT_OVERLAY_DAMAGED:
- /*
- * Return minus one to mark that no layer is in use
- */
- return( -1 );
+ return -1;
-#elif TARGET_HOST_WIN32
+#elif TARGET_HOST_MS_WINDOWS
case GLUT_OVERLAY_POSSIBLE:
- /*
- * Check if an overlay display mode is possible
- */
- return( fgSetupPixelFormat( fgStructure.Window, TRUE, PFD_OVERLAY_PLANE ) );
+/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
+ PFD_OVERLAY_PLANE ); */
+ return FALSE ;
case GLUT_LAYER_IN_USE:
- /*
- * The normal plane is always in use
- */
- return( GLUT_NORMAL );
+ return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
- /*
- * No window is allowed to have an overlay
- */
- return( FALSE );
+ return FALSE;
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
+ *
+ * XXX HUH?
*/
- return( 0 );
+ return 0;
case GLUT_NORMAL_DAMAGED:
- /*
- * Actually I do not know. Maybe.
- */
- return( FALSE );
+ /* XXX Actually I do not know. Maybe. */
+ return FALSE;
case GLUT_OVERLAY_DAMAGED:
- /*
- * Return minus one to mark that no layer is in use
- */
- return( -1 );
+ return -1;
#endif
default:
- /*
- * Complain to the user about the obvious bug
- */
- fgWarning( "glutLayerGet(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
break;
}
- /*
- * And fail. That's good. Programs do love failing.
- */
- return( -1 );
+ /* And fail. That's good. Programs do love failing. */
+ return -1;
}
/*** END OF FILE ***/
projects / freeglut / blobdiff