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Added proper support for number of mouse buttons in X11, and

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a keyboard in Windows CE. Also, several glutGet results returning
TRUE/FALSE were changed to 1/0, because the actual return type
is int (although they are technically the same in practice).


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@707 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
joekrahn 2006-09-25 02:39:33 +00:00
parent 007f03763e
commit 20684ece83
1 changed files with 36 additions and 41 deletions
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77
freeglut/freeglut/src/freeglut_state.c
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@ -424,7 +424,7 @@ int FGAPIENTRY glutGet( GLenum eWhat )
case GLUT_DISPLAY_MODE_POSSIBLE:
#if defined(_WIN32_WCE)
return GL_FALSE;
return 0;
#else
return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_MAIN_PLANE );
@ -492,62 +492,57 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
/* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
case GLUT_HAS_KEYBOARD:
/*
* We always have a keyboard present on PC machines...
* Win32 is assumed a keyboard, and this cannot be queried,
* except for WindowsCE.
*
* 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.
* 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 TRUE ;
#if defined(_WIN32_CE)
return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0;
# pragma comment (lib,"Kbdui.lib")
#else
return 1;
#endif
#if TARGET_HOST_POSIX_X11
/* X11 has a mouse by definition */
case GLUT_HAS_MOUSE:
return TRUE ;
return 1 ;
case GLUT_NUM_MOUSE_BUTTONS:
/*
* Return the number of mouse buttons available. This is a big guess.
/* 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.
*
* 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.
* 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.
*/
return 3 ;
{
unsigned char map;
int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);
return nbuttons;
}
#elif TARGET_HOST_MS_WINDOWS
case GLUT_HAS_MOUSE:
/*
* The Windows can be booted without a mouse.
* It would be nice to have this reported.
* MS Windows can be booted without a mouse.
*/
return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
/* We are much more fortunate under Win32 about this... */
#if defined(_WIN32_WCE)
# if defined(_WIN32_WCE)
return 1;
#else
# else
return GetSystemMetrics( SM_CMOUSEBUTTONS );
#endif /* defined(_WIN32_WCE) */
# endif
#endif
case GLUT_HAS_JOYSTICK:
@ -578,7 +573,7 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
case GLUT_HAS_SPACEBALL:
case GLUT_HAS_TABLET:
return FALSE;
return 0;
case GLUT_NUM_SPACEBALL_BUTTONS:
case GLUT_NUM_TABLET_BUTTONS:
@ -633,13 +628,13 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
#if TARGET_HOST_POSIX_X11
case GLUT_OVERLAY_POSSIBLE:
return FALSE;
return 0;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
return FALSE;
return 0;
case GLUT_TRANSPARENT_INDEX:
/*
@ -651,7 +646,7 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
return FALSE;
return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
@ -661,13 +656,13 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
case GLUT_OVERLAY_POSSIBLE:
/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_OVERLAY_PLANE ); */
return FALSE ;
return 0 ;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
return FALSE;
return 0;
case GLUT_TRANSPARENT_INDEX:
/*
@ -679,7 +674,7 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
return FALSE;
return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;