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Splitting the other "glutGet" Windows-specific code into its own function

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@998 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
fayjf 2012-01-23 04:37:06 +00:00
parent c9e93c29b3
commit 7331abf64a
2 changed files with 186 additions and 114 deletions
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204
freeglut/freeglut/src/Common/freeglut_state.c
View File

@ -42,6 +42,8 @@
*/
extern int fgPlatformGlutGet ( GLenum eWhat );
extern int fgPlatformGlutDeviceGet ( GLenum eWhat );
extern int fgPlatformGlutLayerGet ( GLenum eWhat );
/* -- LOCAL DEFINITIONS ---------------------------------------------------- */
@ -223,6 +225,92 @@ static int fgPlatformGlutGet ( GLenum eWhat )
break;
}
}
static int fgPlatformGlutDeviceGet ( GLenum eWhat )
{
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* X11 has a core keyboard by definition, although it can
* be present as a virtual/dummy keyboard. For now, there
* is no reliable way to tell if a real keyboard is present.
*/
return 1;
/* X11 has a mouse by definition */
case GLUT_HAS_MOUSE:
return 1 ;
case GLUT_NUM_MOUSE_BUTTONS:
/* We should be able to pass NULL when the last argument is zero,
* but at least one X server has a bug where this causes a segfault.
*
* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
* rather than an Axis; "freeglut_main.c" expects this when
* checking for a wheel event.
*/
{
unsigned char map;
int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);
return nbuttons;
}
default:
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
}
/* And now -- the failure. */
return -1;
}
int fgPlatformGlutLayerGet( GLenum eWhat )
{
/*
* 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 )
{
case GLUT_OVERLAY_POSSIBLE:
return 0;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
return 0;
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
*
* XXX HUH?
*/
return 0;
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
default:
fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
break;
}
/* And fail. That's good. Programs do love failing. */
return -1;
}
#endif
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
@ -389,61 +477,6 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
/* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* Win32 is assumed a keyboard, and this cannot be queried,
* except for WindowsCE.
*
* X11 has a core keyboard by definition, although it can
* be present as a virtual/dummy keyboard. For now, there
* is no reliable way to tell if a real keyboard is present.
*/
#if defined(_WIN32_CE)
return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0;
# if FREEGLUT_LIB_PRAGMAS
# pragma comment (lib,"Kbdui.lib")
# endif
#else
return 1;
#endif
#if TARGET_HOST_POSIX_X11
/* X11 has a mouse by definition */
case GLUT_HAS_MOUSE:
return 1 ;
case GLUT_NUM_MOUSE_BUTTONS:
/* We should be able to pass NULL when the last argument is zero,
* but at least one X server has a bug where this causes a segfault.
*
* In XFree86/Xorg servers, a mouse wheel is seen as two buttons
* rather than an Axis; "freeglut_main.c" expects this when
* checking for a wheel event.
*/
{
unsigned char map;
int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);
return nbuttons;
}
#elif TARGET_HOST_MS_WINDOWS
case GLUT_HAS_MOUSE:
/*
* MS Windows can be booted without a mouse.
*/
return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
# if defined(_WIN32_WCE)
return 1;
# else
return GetSystemMetrics( SM_CMOUSEBUTTONS );
# endif
#endif
case GLUT_HAS_JOYSTICK:
return fgJoystickDetect ();
@ -489,8 +522,7 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
return fgState.KeyRepeat;
default:
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
return fgPlatformGlutDeviceGet ( eWhat );
}
/* And now -- the failure. */
@ -528,64 +560,8 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
switch( eWhat )
{
#if TARGET_HOST_POSIX_X11
case GLUT_OVERLAY_POSSIBLE:
return 0;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
return 0;
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
*
* XXX HUH?
*/
return 0;
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
#elif TARGET_HOST_MS_WINDOWS
case GLUT_OVERLAY_POSSIBLE:
/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_OVERLAY_PLANE ); */
return 0 ;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
return 0;
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
*
* XXX HUH?
*/
return 0;
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
#endif
default:
fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
break;
return fgPlatformGlutLayerGet( eWhat );
}
/* And fail. That's good. Programs do love failing. */

96
freeglut/freeglut/src/mswin/freeglut_state_mswin.c
View File

@ -229,3 +229,99 @@ int fgPlatformGlutGet ( GLenum eWhat )
return -1;
}
int fgPlatformGlutDeviceGet ( GLenum eWhat )
{
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
* Win32 is assumed a keyboard, and this cannot be queried,
* except for WindowsCE.
*
* X11 has a core keyboard by definition, although it can
* be present as a virtual/dummy keyboard. For now, there
* is no reliable way to tell if a real keyboard is present.
*/
#if defined(_WIN32_CE)
return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0;
# if FREEGLUT_LIB_PRAGMAS
# pragma comment (lib,"Kbdui.lib")
# endif
#else
return 1;
#endif
case GLUT_HAS_MOUSE:
/*
* MS Windows can be booted without a mouse.
*/
return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
# if defined(_WIN32_WCE)
return 1;
# else
return GetSystemMetrics( SM_CMOUSEBUTTONS );
# endif
default:
fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
}
/* And now -- the failure. */
return -1;
}
int fgPlatformGlutLayerGet( GLenum eWhat )
{
/*
* 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 )
{
case GLUT_OVERLAY_POSSIBLE:
/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_OVERLAY_PLANE ); */
return 0 ;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
return 0;
case GLUT_TRANSPARENT_INDEX:
/*
* Return just anything, which is always defined as zero
*
* XXX HUH?
*/
return 0;
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
default:
fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
break;
}
/* And fail. That's good. Programs do love failing. */
return -1;
}