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Further normalized the style of the cursor code.

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@309 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
rkrolib 2003-11-07 06:25:20 +00:00
parent aeeabeff93
commit d8f572533b
1 changed files with 57 additions and 42 deletions
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99
freeglut/freeglut/src/freeglut_cursor.c
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@ -55,26 +55,31 @@
*/
void FGAPIENTRY glutSetCursor( int cursorID )
{
freeglut_assert_ready;
freeglut_assert_window;
freeglut_assert_ready; /* XXX WHY do we need the timer active for this? */
freeglut_assert_window;
#if TARGET_HOST_UNIX_X11
/*
* Open issues:
* (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?
*/
/*
* Open issues:
* (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;
#define MAP_CURSOR(a,b) case a: cursor = XCreateFontCursor( fgDisplay.Display, b ); break;
#define MAP_CURSOR(a,b) \
case a: \
cursor = XCreateFontCursor( fgDisplay.Display, b ); \
break;
if( GLUT_CURSOR_FULL_CROSSHAIR == cursorID )
cursorID = GLUT_CURSOR_CROSSHAIR;
@ -108,23 +113,33 @@ void FGAPIENTRY glutSetCursor( int cursorID )
}
if( GLUT_CURSOR_INHERIT == cursorID )
XUndefineCursor( fgDisplay.Display, fgStructure.Window->Window.Handle );
XUndefineCursor( fgDisplay.Display,
fgStructure.Window->Window.Handle );
else
XDefineCursor( fgDisplay.Display, fgStructure.Window->Window.Handle, cursor );
XDefineCursor( fgDisplay.Display,
fgStructure.Window->Window.Handle, cursor );
}
#elif TARGET_HOST_WIN32
/*
* This is a temporary solution only...
*/
/* Set the cursor AND change it for this window class. */
# define MAP_CURSOR(a,b) case a: SetCursor( LoadCursor( NULL, b ) ); \
SetClassLong(fgStructure.Window->Window.Handle,GCL_HCURSOR,(LONG)LoadCursor(NULL,b)); \
/*
* This is a temporary solution only...
*/
/* Set the cursor AND change it for this window class. */
# define MAP_CURSOR(a,b) \
case a: \
SetCursor( LoadCursor( NULL, b ) ); \
SetClassLong( fgStructure.Window->Window.Handle, \
GCL_HCURSOR, \
( LONG )LoadCursor( NULL, b ) ); \
break;
/* Nuke the cursor AND change it for this window class. */
# define ZAP_CURSOR(a,b) case a: SetCursor( NULL ); \
SetClassLong(fgStructure.Window->Window.Handle,GCL_HCURSOR,(LONG)NULL); \
# define ZAP_CURSOR(a,b) \
case a: \
SetCursor( NULL ); \
SetClassLong( fgStructure.Window->Window.Handle, \
GCL_HCURSOR, ( LONG )NULL ); \
break;
switch( cursorID )
@ -133,13 +148,13 @@ void FGAPIENTRY glutSetCursor( int cursorID )
MAP_CURSOR( GLUT_CURSOR_LEFT_ARROW, IDC_ARROW );
MAP_CURSOR( GLUT_CURSOR_INFO, IDC_HELP );
MAP_CURSOR( GLUT_CURSOR_DESTROY, IDC_CROSS );
MAP_CURSOR( GLUT_CURSOR_HELP, IDC_HELP );
MAP_CURSOR( GLUT_CURSOR_HELP, IDC_HELP );
MAP_CURSOR( GLUT_CURSOR_CYCLE, IDC_SIZEALL );
MAP_CURSOR( GLUT_CURSOR_SPRAY, IDC_CROSS );
MAP_CURSOR( GLUT_CURSOR_WAIT, IDC_WAIT );
MAP_CURSOR( GLUT_CURSOR_WAIT, IDC_WAIT );
MAP_CURSOR( GLUT_CURSOR_TEXT, IDC_UPARROW );
MAP_CURSOR( GLUT_CURSOR_CROSSHAIR, IDC_CROSS );
/* MAP_CURSOR( GLUT_CURSOR_NONE, IDC_NO ); */
/* MAP_CURSOR( GLUT_CURSOR_NONE, IDC_NO ); */
ZAP_CURSOR( GLUT_CURSOR_NONE, NULL );
default:
@ -155,30 +170,30 @@ void FGAPIENTRY glutSetCursor( int cursorID )
*/
void FGAPIENTRY glutWarpPointer( int x, int y )
{
freeglut_assert_ready;
freeglut_assert_window;
freeglut_assert_ready; /* XXX WHY do we need the timer active for this? */
freeglut_assert_window;
#if TARGET_HOST_UNIX_X11
XWarpPointer(
XWarpPointer(
fgDisplay.Display,
None,
fgStructure.Window->Window.Handle,
0, 0, 0, 0,
x, y
);
XFlush( fgDisplay.Display );
);
XFlush( fgDisplay.Display ); /* XXX Is this really necessary? */
#elif TARGET_HOST_WIN32
{
POINT coords = { x, y };
/*
* ClientToScreen() translates {coords} for us.
*/
ClientToScreen( fgStructure.Window->Window.Handle, &coords );
SetCursorPos( coords.x, coords.y );
}
{
POINT coords = { x, y };
/*
* ClientToScreen() translates {coords} for us.
*/
ClientToScreen( fgStructure.Window->Window.Handle, &coords );
SetCursorPos( coords.x, coords.y );
}
#endif
}