FMudanyali/FreeGLUT-Vita
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Comment-cleaning sweep.

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Mostly got rid of the say-it-in-English comments that were adding 1 line
of English and 2 or 3 lines of filler for each of several lines of C code.
Updated a couple of other comments, and tweaked some white-space.


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@228 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
rkrolib 2003-10-13 02:03:09 +00:00
parent 20373fe203
commit 8e6aba17a4
1 changed files with 20 additions and 32 deletions
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52
freeglut/freeglut/src/freeglut_cursor.c
View File

@ -42,7 +42,9 @@
* TODO BEFORE THE STABLE RELEASE:
*
* fgDisplayCursor() -- this waits for better times
* glutSetCursor() -- both X and Win32 mappings are incomplete
* XXX Just delete fgDisplayCursor?
* glutSetCursor() -- Win32 mappings are incomplete
* X mappings are nearly right.
*
* It would be good to use custom mouse cursor shapes, and introduce
* an option to display them using glBitmap() and/or texture mapping,
@ -56,9 +58,6 @@
*/
void fgDisplayCursor( void )
{
/*
* Do nothing for the moment
*/
}
@ -69,25 +68,25 @@ void fgDisplayCursor( void )
*/
void FGAPIENTRY glutSetCursor( int cursorID )
{
/*
* Make sure freeglut is ready and there is a current window set
*/
freeglut_assert_ready; freeglut_assert_window;
freeglut_assert_ready;
freeglut_assert_window;
#if TARGET_HOST_UNIX_X11
/*
* Open issues:
* (a) GLUT_CURSOR_NONE doesn't do what it should.
* (a) GLUT_CURSOR_NONE doesn't do what it should. We can probably
* build an empty pixmap for it, though, quite painlessly.
* (b) Are we allocating resources, or causing X to do so?
* If yes, we should arrange to deallocate!
* (c) No error checking. Is that a problem?
* (d) FULL_CROSSHAIR demotes to plain CROSSHAIR. Old GLUT allows
* for this, but if there is a system that easily supports a full-
* window (or full-screen) crosshair, we might consider it.
* (e) Out-of-range cursor-types are ignored. Should we abort?
* Print a warning message?
*/
{
Cursor cursor;
/*
* For now we'll limit ourselves to the X cursor fonts...
*/
#define MAP_CURSOR(a,b) case a: cursor = XCreateFontCursor( fgDisplay.Display, b ); break;
if( GLUT_CURSOR_FULL_CROSSHAIR == cursorID )
cursorID = GLUT_CURSOR_CROSSHAIR;
@ -120,9 +119,6 @@ void FGAPIENTRY glutSetCursor( int cursorID )
return;
}
/*
* Define a window's cursor now
*/
if( GLUT_CURSOR_INHERIT == cursorID )
XUndefineCursor( fgDisplay.Display, fgStructure.Window->Window.Handle );
else
@ -130,6 +126,7 @@ void FGAPIENTRY glutSetCursor( int cursorID )
}
#elif TARGET_HOST_WIN32
/*
* This is a temporary solution only...
*/
@ -160,12 +157,8 @@ void FGAPIENTRY glutSetCursor( int cursorID )
default:
MAP_CURSOR( GLUT_CURSOR_UP_DOWN, IDC_ARROW );
}
#endif
/*
* Remember the currently selected cursor
*/
fgStructure.Window->State.Cursor = cursorID;
}
@ -174,12 +167,11 @@ void FGAPIENTRY glutSetCursor( int cursorID )
*/
void FGAPIENTRY glutWarpPointer( int x, int y )
{
freeglut_assert_ready; freeglut_assert_window;
freeglut_assert_ready;
freeglut_assert_window;
#if TARGET_HOST_UNIX_X11
/*
* Move the mouse pointer to given window coordinates
*/
XWarpPointer(
fgDisplay.Display,
None,
@ -187,25 +179,21 @@ void FGAPIENTRY glutWarpPointer( int x, int y )
0, 0, 0, 0,
x, y
);
XFlush( fgDisplay.Display );
#elif TARGET_HOST_WIN32
{
POINT coords = { x, y };
/*
* First of all, we need to find the new screen-relative coordinates of the mouse cursor
*/
* ClientToScreen() translates {coords} for us.
*/
ClientToScreen( fgStructure.Window->Window.Handle, &coords );
/*
* Now set the new mouse cursor position...
*/
SetCursorPos( coords.x, coords.y );
}
#endif
}
/*** END OF FILE ***/