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

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

View File

@ -424,7 +424,7 @@ int FGAPIENTRY glutGet( GLenum eWhat )
case GLUT_DISPLAY_MODE_POSSIBLE: case GLUT_DISPLAY_MODE_POSSIBLE:
#if defined(_WIN32_WCE) #if defined(_WIN32_WCE)
return GL_FALSE; return 0;
#else #else
return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE, return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_MAIN_PLANE ); PFD_MAIN_PLANE );
@ -492,62 +492,57 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
/* XXX WARNING: we are mostly lying in this function. */ /* XXX WARNING: we are mostly lying in this function. */
switch( eWhat ) switch( eWhat )
{ {
case GLUT_HAS_KEYBOARD:
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. * X11 has a core keyboard by definition, although it can
* XXX Also, who says that we are running on a PC? UNIX/X11 * be present as a virtual/dummy keyboard. For now, there
* XXX is much more generic, and X11 can go over a network. * is no reliable way to tell if a real keyboard is present.
* XXX Though in actuality, we can probably assume BOTH a
* XXX mouse and keyboard for most/all of our users.
*/ */
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 #if TARGET_HOST_POSIX_X11
/* X11 has a mouse by definition */
case GLUT_HAS_MOUSE: case GLUT_HAS_MOUSE:
return TRUE ; return 1 ;
case GLUT_NUM_MOUSE_BUTTONS: case GLUT_NUM_MOUSE_BUTTONS:
/* /* We should be able to pass NULL when the last argument is zero,
* Return the number of mouse buttons available. This is a big guess. * 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. * In XFree86/Xorg servers, a mouse wheel is seen as two buttons
* XXX This would be somewhat system-dependant, but is doable. * rather than an Axis; "freeglut_main.c" expects this when
* XXX E.g., on NetBSD, my USB mouse registers: * checking for a wheel event.
* 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 ; {
unsigned char map;
int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);
return nbuttons;
}
#elif TARGET_HOST_MS_WINDOWS #elif TARGET_HOST_MS_WINDOWS
case GLUT_HAS_MOUSE: case GLUT_HAS_MOUSE:
/* /*
* The Windows can be booted without a mouse. * MS 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: case GLUT_NUM_MOUSE_BUTTONS:
/* We are much more fortunate under Win32 about this... */ # if defined(_WIN32_WCE)
#if defined(_WIN32_WCE)
return 1; return 1;
#else # else
return GetSystemMetrics( SM_CMOUSEBUTTONS ); return GetSystemMetrics( SM_CMOUSEBUTTONS );
#endif /* defined(_WIN32_WCE) */ # endif
#endif #endif
case GLUT_HAS_JOYSTICK: case GLUT_HAS_JOYSTICK:
@ -578,7 +573,7 @@ int FGAPIENTRY glutDeviceGet( GLenum eWhat )
case GLUT_HAS_SPACEBALL: case GLUT_HAS_SPACEBALL:
case GLUT_HAS_TABLET: case GLUT_HAS_TABLET:
return FALSE; return 0;
case GLUT_NUM_SPACEBALL_BUTTONS: case GLUT_NUM_SPACEBALL_BUTTONS:
case GLUT_NUM_TABLET_BUTTONS: case GLUT_NUM_TABLET_BUTTONS:
@ -633,13 +628,13 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
#if TARGET_HOST_POSIX_X11 #if TARGET_HOST_POSIX_X11
case GLUT_OVERLAY_POSSIBLE: case GLUT_OVERLAY_POSSIBLE:
return FALSE; return 0;
case GLUT_LAYER_IN_USE: case GLUT_LAYER_IN_USE:
return GLUT_NORMAL; return GLUT_NORMAL;
case GLUT_HAS_OVERLAY: case GLUT_HAS_OVERLAY:
return FALSE; return 0;
case GLUT_TRANSPARENT_INDEX: case GLUT_TRANSPARENT_INDEX:
/* /*
@ -651,7 +646,7 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
case GLUT_NORMAL_DAMAGED: case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */ /* XXX Actually I do not know. Maybe. */
return FALSE; return 0;
case GLUT_OVERLAY_DAMAGED: case GLUT_OVERLAY_DAMAGED:
return -1; return -1;
@ -661,13 +656,13 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
case GLUT_OVERLAY_POSSIBLE: case GLUT_OVERLAY_POSSIBLE:
/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE, /* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_OVERLAY_PLANE ); */ PFD_OVERLAY_PLANE ); */
return FALSE ; return 0 ;
case GLUT_LAYER_IN_USE: case GLUT_LAYER_IN_USE:
return GLUT_NORMAL; return GLUT_NORMAL;
case GLUT_HAS_OVERLAY: case GLUT_HAS_OVERLAY:
return FALSE; return 0;
case GLUT_TRANSPARENT_INDEX: case GLUT_TRANSPARENT_INDEX:
/* /*
@ -679,7 +674,7 @@ int FGAPIENTRY glutLayerGet( GLenum eWhat )
case GLUT_NORMAL_DAMAGED: case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */ /* XXX Actually I do not know. Maybe. */
return FALSE; return 0;
case GLUT_OVERLAY_DAMAGED: case GLUT_OVERLAY_DAMAGED:
return -1; return -1;