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Added support for more arbitrary number of mouse buttons (though only the

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first three can work with menus), in X.  This closes a compatibility gap
with old GLUT, and leaves us the option of supporting scroll-wheels
properly.


git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@210 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
rkrolib 2003-10-01 15:01:58 +00:00
parent e7a43013d4
commit 7a6c02639a
1 changed files with 11 additions and 21 deletions
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28
freeglut/freeglut/src/freeglut_main.c
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@ -825,25 +825,14 @@ void FGAPIENTRY glutMainLoopEvent( void )
GETWINDOW( xbutton ); GETMOUSE( xbutton );
/*
* GLUT API assumes that you can't have more than three mouse buttons, so:
* An X button (at least in XFree86) is numbered from 1.
* A GLUT button is numbered from 0.
* Old GLUT passed through buttons other than just the first
* three, though it only gave symbolic names and official
* support to the first three.
*
*/
switch( event.xbutton.button )
{
/*
* WARNING: this might be wrong, if we only have two mouse buttons,
* Button2 might mean the right button, isn't that right?
*/
case Button1: button = GLUT_LEFT_BUTTON; break;
case Button2: button = GLUT_MIDDLE_BUTTON; break;
case Button3: button = GLUT_RIGHT_BUTTON; break;
default: button = -1; break;
}
/*
* Skip the unwanted mouse buttons...
*/
if( button == -1 )
break;
button = event.xbutton.button - 1;
/*
* Do not execute the application's mouse callback if a menu is hooked to this button.
@ -891,7 +880,8 @@ void FGAPIENTRY glutMainLoopEvent( void )
/*
* No active menu, let's check whether we need to activate one.
*/
if ( ( window->Menu[ button ] != NULL ) && ( pressed == TRUE ) )
if (( 0 <= button ) && ( 2 >= button ) &&
( window->Menu[ button ] != NULL ) && ( pressed == TRUE ) )
{
/*
* Let's make the window redraw as a result of the mouse click.