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Added support for the scroll wheel when using the simulator

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git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@1664 7f0cb862-5218-0410-a997-914c9d46530a
This commit is contained in:
dcnieho 2014-01-24 10:29:59 +00:00
parent 8fbcdd5aa9
commit 54bc3439c4
2 changed files with 42 additions and 1 deletions
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3
freeglut/freeglut/src/blackberry/fg_internal_blackberry.h
View File

@ -69,6 +69,9 @@ struct touchscreen {
bool in_mmotion;
};
/* -- INPUT DEFINITIONS ---------------------------------------------------- */
#define WHEEL_DELTA 120 //This is taken from http://msdn.microsoft.com/en-us/library/windows/desktop/ms646254(v=vs.85).aspx
/* -- JOYSTICK-SPECIFIC STRUCTURES AND TYPES ------------------------------- */
/*

40
freeglut/freeglut/src/blackberry/fg_main_blackberry.c
View File

@ -393,8 +393,46 @@ void fgPlatformProcessSingleEvent ( void )
}
if (wheel) {
/* Very slightly modified from fg_main_mswin.
* Because we don't want MouseWheel to be called every. single. time.
* That the action occurs, we mimic the Windows version with "wheel deltas"
* XXX Do we even want this?
* XXX If we want this, it's possible to get horizontal scroll as well.
* XXX -Vertical scroll=wheel 0, horizontal=wheel 1? */
fgState.MouseWheelTicks -= wheel;
//TODO: Implement wheel support (based on fg_main_mswin... though it seems excessive)
if (abs(fgState.MouseWheelTicks) >= WHEEL_DELTA)
{
int wheel_number = 0;
int direction = (fgState.MouseWheelTicks > 0) ? -1 : 1;
if (!FETCH_WCB(*window, MouseWheel) && !FETCH_WCB(*window, Mouse))
break;
//XXX fgSetWindow(window);
while(abs(fgState.MouseWheelTicks) >= WHEEL_DELTA)
{
if (FETCH_WCB(*window, MouseWheel))
INVOKE_WCB(*window, MouseWheel, (wheel_number, direction, window->State.MouseX, window->State.MouseY));
else /* No mouse wheel, call the mouse button callback twice */
{
/*
* Map wheel zero to button 3 and 4; +1 to 3, -1 to 4
* " " one +1 to 5, -1 to 6, ...
*
* XXX The below assumes that you have no more than 3 mouse
* XXX buttons. Sorry.
*/
int button = wheel_number * 2 + 3;
if (direction < 0)
++button;
INVOKE_WCB(*window, Mouse, (button, GLUT_DOWN, window->State.MouseX, window->State.MouseY));
INVOKE_WCB(*window, Mouse, (button, GLUT_UP, window->State.MouseX, window->State.MouseY));
}
fgState.MouseWheelTicks -= WHEEL_DELTA * direction;
}
}
}
fgState.Modifiers = INVALID_MODIFIERS;