static void
getevent(void) /* get next event */
{
XNextEvent(ourdisplay, levptr(XEvent));
switch (levptr(XEvent)->type) {
case ConfigureNotify:
resizewindow(levptr(XConfigureEvent));
break;
case UnmapNotify:
mapped = 0;
break;
case MapNotify:
mapped = 1;
break;
case Expose:
fixwindow(levptr(XExposeEvent));
break;
case KeyPress:
getkey(levptr(XKeyPressedEvent));
break;
case ButtonPress:
switch (levptr(XButtonPressedEvent)->button) {
case Button4: /* wheel up */
case Button5: /* wheel down */
break;
default:
getmove(levptr(XButtonPressedEvent));
break;
}
break;
}
}
static void
getmove( /* get view change */
XButtonPressedEvent *ebut
)
{
int movdir = MOVDIR(ebut->button);
int movorb = MOVORB(ebut->state);
int oldnodesiz = qtMinNodesiz;
Window rootw, childw;
int rootx, rooty, wx, wy;
unsigned int statemask;
qtMinNodesiz = 24; /* accelerate update rate */
XNoOp(ourdisplay);
while (!XCheckMaskEvent(ourdisplay,
ButtonReleaseMask, levptr(XEvent))) {
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw,
&rootx, &rooty, &wx, &wy, &statemask))
break; /* on another screen */
if (!moveview(wx, odev.vres-1-wy, movdir, movorb)) {
sleep(1);
continue;
}
glClear(GL_COLOR_BUFFER_BIT);
qtUpdate();
draw_grids();
glFlush();
}
if (!(inpresflags & DFL(DC_SETVIEW))) { /* do final motion */
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button);
wx = levptr(XButtonReleasedEvent)->x;
wy = levptr(XButtonReleasedEvent)->y;
moveview(wx, odev.vres-1-wy, movdir, movorb);
}
dev_flush();
qtMinNodesiz = oldnodesiz; /* restore quadtree resolution */
}
static void
getmove( /* get view change */
XButtonPressedEvent *ebut
)
{
int movdir = MOVDIR(ebut->button);
int movorb = MOVORB(ebut->state);
int moved = 0;
Window rootw, childw;
int rootx, rooty, wx, wy;
unsigned int statemask;
copylastv( movorb ? (movdir ? "left/right" : "up/down") :
(movdir ? "fore/back" : "rotate") );
XNoOp(ourdisplay);
while (!XCheckMaskEvent(ourdisplay,
ButtonReleaseMask, levptr(XEvent))) {
/* pause so as not to move too fast */
waitabit();
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw,
&rootx, &rooty, &wx, &wy, &statemask))
break; /* on another screen */
if (!moveview(wx, vres-1-wy, movdir, movorb)) {
sleep(1);
continue;
} else
moved++;
}
if (!moved) { /* do final motion */
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button);
wx = levptr(XButtonReleasedEvent)->x;
wy = levptr(XButtonReleasedEvent)->y;
moveview(wx, vres-1-wy, movdir, movorb);
}
}
static int
dev_input( /* get next input event */
int nsecs
)
{
#if 0
static time_t lasttime = 0;
time_t thistime;
if (nsecs > 0) {
thistime = time(0);
nsecs -= (long)(thistime - lasttime);
lasttime = thistime;
}
if (nsecs > 0)
alarm(nsecs);
#endif
XNextEvent(ourdisplay, levptr(XEvent));
switch (levptr(XEvent)->type) {
case ConfigureNotify:
resizewindow(levptr(XConfigureEvent));
break;
case UnmapNotify:
mapped = 0;
break;
case MapNotify:
mapped = 1;
break;
case Expose:
fixwindow(levptr(XExposeEvent));
break;
case KeyPress:
return(getkey(levptr(XKeyPressedEvent)));
case ButtonPress:
getmove(levptr(XButtonPressedEvent));
break;
}
return(1);
}
