#include "freeglut_internal.h"
#if TARGET_HOST_UNIX_X11
- #include <X11/cursorfont.h>
+ #include <X11/cursorfont.h>
#endif
/*
* TODO BEFORE THE STABLE RELEASE:
- *
- * fgDisplayCursor() -- this waits for better times
- * glutSetCursor() -- both X and Win32 mappings are incomplete
+ * 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,
/* -- INTERNAL FUNCTIONS --------------------------------------------------- */
-/*
- * Display the mouse cursor using OpenGL calls
- */
-void fgDisplayCursor( void )
-{
- /*
- * Do nothing for the moment
- */
-}
-
-
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
/*
*/
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.
- * (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?
- */
+ /*
+ * 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;
-
- /*
- * For now we'll limit ourselves to the X cursor fonts...
- */
+ Cursor cursor;
#define MAP_CURSOR(a,b) case a: cursor = XCreateFontCursor( fgDisplay.Display, b ); break;
- if( GLUT_CURSOR_FULL_CROSSHAIR == cursorID )
- cursorID = GLUT_CURSOR_CROSSHAIR;
- switch( cursorID )
+ if( GLUT_CURSOR_FULL_CROSSHAIR == cursorID )
+ cursorID = GLUT_CURSOR_CROSSHAIR;
+
+ switch( cursorID )
{
- MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, XC_right_ptr);
- MAP_CURSOR( GLUT_CURSOR_LEFT_ARROW, XC_left_ptr);
- MAP_CURSOR( GLUT_CURSOR_INFO, XC_hand1);
- MAP_CURSOR( GLUT_CURSOR_DESTROY, XC_pirate);
- MAP_CURSOR( GLUT_CURSOR_HELP, XC_question_arrow);
- MAP_CURSOR( GLUT_CURSOR_CYCLE, XC_exchange);
- MAP_CURSOR( GLUT_CURSOR_SPRAY, XC_spraycan);
- MAP_CURSOR( GLUT_CURSOR_WAIT, XC_watch);
- MAP_CURSOR( GLUT_CURSOR_TEXT, XC_xterm);
- MAP_CURSOR( GLUT_CURSOR_CROSSHAIR, XC_crosshair);
- MAP_CURSOR( GLUT_CURSOR_UP_DOWN, XC_sb_v_double_arrow);
- MAP_CURSOR( GLUT_CURSOR_LEFT_RIGHT, XC_sb_h_double_arrow);
- MAP_CURSOR( GLUT_CURSOR_TOP_SIDE, XC_top_side);
- MAP_CURSOR( GLUT_CURSOR_BOTTOM_SIDE, XC_bottom_side);
- MAP_CURSOR( GLUT_CURSOR_LEFT_SIDE, XC_left_side);
- MAP_CURSOR( GLUT_CURSOR_RIGHT_SIDE, XC_right_side);
- MAP_CURSOR( GLUT_CURSOR_TOP_LEFT_CORNER, XC_top_left_corner);
- MAP_CURSOR( GLUT_CURSOR_TOP_RIGHT_CORNER, XC_top_right_corner);
- MAP_CURSOR( GLUT_CURSOR_BOTTOM_RIGHT_CORNER, XC_bottom_right_corner);
- MAP_CURSOR( GLUT_CURSOR_BOTTOM_LEFT_CORNER, XC_bottom_left_corner);
- MAP_CURSOR( GLUT_CURSOR_NONE, XC_bogosity);
- case GLUT_CURSOR_INHERIT:
- break;
- default:
- return;
- }
-
- /*
- * Define a window's cursor now
- */
- if( GLUT_CURSOR_INHERIT == cursorID )
- XUndefineCursor( fgDisplay.Display, fgStructure.Window->Window.Handle );
- else
- XDefineCursor( fgDisplay.Display, fgStructure.Window->Window.Handle, cursor );
+ MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, XC_right_ptr);
+ MAP_CURSOR( GLUT_CURSOR_LEFT_ARROW, XC_left_ptr);
+ MAP_CURSOR( GLUT_CURSOR_INFO, XC_hand1);
+ MAP_CURSOR( GLUT_CURSOR_DESTROY, XC_pirate);
+ MAP_CURSOR( GLUT_CURSOR_HELP, XC_question_arrow);
+ MAP_CURSOR( GLUT_CURSOR_CYCLE, XC_exchange);
+ MAP_CURSOR( GLUT_CURSOR_SPRAY, XC_spraycan);
+ MAP_CURSOR( GLUT_CURSOR_WAIT, XC_watch);
+ MAP_CURSOR( GLUT_CURSOR_TEXT, XC_xterm);
+ MAP_CURSOR( GLUT_CURSOR_CROSSHAIR, XC_crosshair);
+ MAP_CURSOR( GLUT_CURSOR_UP_DOWN, XC_sb_v_double_arrow);
+ MAP_CURSOR( GLUT_CURSOR_LEFT_RIGHT, XC_sb_h_double_arrow);
+ MAP_CURSOR( GLUT_CURSOR_TOP_SIDE, XC_top_side);
+ MAP_CURSOR( GLUT_CURSOR_BOTTOM_SIDE, XC_bottom_side);
+ MAP_CURSOR( GLUT_CURSOR_LEFT_SIDE, XC_left_side);
+ MAP_CURSOR( GLUT_CURSOR_RIGHT_SIDE, XC_right_side);
+ MAP_CURSOR( GLUT_CURSOR_TOP_LEFT_CORNER, XC_top_left_corner);
+ MAP_CURSOR( GLUT_CURSOR_TOP_RIGHT_CORNER, XC_top_right_corner);
+ MAP_CURSOR( GLUT_CURSOR_BOTTOM_RIGHT_CORNER, XC_bottom_right_corner);
+ MAP_CURSOR( GLUT_CURSOR_BOTTOM_LEFT_CORNER, XC_bottom_left_corner);
+ MAP_CURSOR( GLUT_CURSOR_NONE, XC_bogosity);
+ case GLUT_CURSOR_INHERIT:
+ break;
+ default:
+ return;
+ }
+
+ if( GLUT_CURSOR_INHERIT == cursorID )
+ XUndefineCursor( fgDisplay.Display, fgStructure.Window->Window.Handle );
+ else
+ 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 ) ); \
+
+ /*
+ * 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 ); \
+ /* 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); \
break;
- switch( cursorID )
- {
- MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, IDC_ARROW );
- 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_CYCLE, IDC_SIZEALL );
- MAP_CURSOR( GLUT_CURSOR_SPRAY, IDC_CROSS );
- 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 ); */
- ZAP_CURSOR( GLUT_CURSOR_NONE, NULL );
-
- default:
- MAP_CURSOR( GLUT_CURSOR_UP_DOWN, IDC_ARROW );
- }
-
+ switch( cursorID )
+ {
+ MAP_CURSOR( GLUT_CURSOR_RIGHT_ARROW, IDC_ARROW );
+ 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_CYCLE, IDC_SIZEALL );
+ MAP_CURSOR( GLUT_CURSOR_SPRAY, IDC_CROSS );
+ 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 ); */
+ ZAP_CURSOR( GLUT_CURSOR_NONE, NULL );
+
+ default:
+ MAP_CURSOR( GLUT_CURSOR_UP_DOWN, IDC_ARROW );
+ }
#endif
- /*
- * Remember the currently selected cursor
- */
- fgStructure.Window->State.Cursor = cursorID;
+ fgStructure.Window->State.Cursor = 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(
+
+ XWarpPointer(
fgDisplay.Display,
None,
fgStructure.Window->Window.Handle,
0, 0, 0, 0,
x, y
- );
-
- XFlush( fgDisplay.Display );
+ );
+ 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( fgStructure.Window->Window.Handle, &coords );
- /*
- * Now set the new mouse cursor position...
- */
- 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
}
projects / freeglut / blobdiff