dwm-flexipatch/patch/dragmfact.c
2020-03-31 11:07:24 +02:00

217 lines
5.6 KiB
C

void
dragmfact(const Arg *arg)
{
unsigned int n;
int py, px; // pointer coordinates
int ax, ay, aw, ah; // area position, width and height
int center = 0, horizontal = 0, mirror = 0; // layout configuration
double fact;
Monitor *m;
XEvent ev;
Time lasttime = 0;
m = selmon;
#if VANITYGAPS_PATCH
int oh, ov, ih, iv;
getgaps(m, &oh, &ov, &ih, &iv, &n);
#else
for (n = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), n++);
#endif // VANITYGAPS_PATCH
ax = m->wx;
ay = m->wy;
ah = m->wh;
aw = m->ww;
/* do not allow mfact to be modified under certain conditions */
if (!m->lt[m->sellt]->arrange // floating
|| (m->nmaster && n <= m->nmaster) // no master
#if MONOCLE_LAYOUT
|| m->lt[m->sellt]->arrange == &monocle
#endif // MONOCLE_LAYOUT
#if GRIDMODE_LAYOUT
|| m->lt[m->sellt]->arrange == &grid
#endif // GRIDMODE_LAYOUT
#if HORIZGRID_LAYOUT
|| m->lt[m->sellt]->arrange == &horizgrid
#endif // HORIZGRID_LAYOUT
#if GAPPLESSGRID_LAYOUT
|| m->lt[m->sellt]->arrange == &gaplessgrid
#endif // GAPPLESSGRID_LAYOUT
#if NROWGRID_LAYOUT
|| m->lt[m->sellt]->arrange == &nrowgrid
#endif // NROWGRID_LAYOUT
#if FLEXTILE_DELUXE_LAYOUT
|| (m->lt[m->sellt]->arrange == &flextile && m->ltaxis[LAYOUT] == NO_SPLIT)
#endif // FLEXTILE_DELUXE_LAYOUT
)
return;
#if FLEXTILE_DELUXE_LAYOUT
if (m->lt[m->sellt]->arrange == &flextile) {
int layout = m->ltaxis[LAYOUT];
if (layout < 0) {
mirror = 1;
layout *= -1;
}
if (layout > FLOATING_MASTER)
layout -= FLOATING_MASTER;
if (layout == SPLIT_HORIZONTAL || layout == SPLIT_HORIZONTAL_DUAL_STACK)
horizontal = 1;
else if (layout == SPLIT_CENTERED_VERTICAL)
center = 1;
else if (layout == FLOATING_MASTER) {
center = 1;
if (aw < ah)
horizontal = 1;
}
else if (layout == SPLIT_CENTERED_HORIZONTAL) {
horizontal = 1;
center = 1;
}
}
#endif // FLEXTILE_DELUXE_LAYOUT
#if CENTEREDMASTER_LAYOUT
else if (m->lt[m->sellt]->arrange == &centeredmaster)
center = 1;
#endif // CENTEREDMASTER_LAYOUT
#if CENTEREDFLOATINGMASTER_LAYOUT
else if (m->lt[m->sellt]->arrange == &centeredfloatingmaster)
center = 1;
#endif // CENTEREDFLOATINGMASTER_LAYOUT
#if BSTACK_LAYOUT
else if (m->lt[m->sellt]->arrange == &bstack)
horizontal = 1;
#endif // BSTACK_LAYOUT
#if BSTACKHORIZ_LAYOUT
else if (m->lt[m->sellt]->arrange == &bstackhoriz)
horizontal = 1;
#endif // BSTACKHORIZ_LAYOUT
if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
return;
#if VANITYGAPS_PATCH
ay += oh;
ax += ov;
aw -= 2*ov;
ah -= 2*oh;
#endif // VANITYGAPS_PATCH
if (center) {
if (horizontal) {
px = ax + aw / 2;
#if VANITYGAPS_PATCH
py = ay + ah / 2 + (ah - 2*ih) * (m->mfact / 2.0) + ih / 2;
#else
py = ay + ah / 2 + ah * m->mfact / 2.0;
#endif // VANITYGAPS_PATCH
} else { // vertical split
#if VANITYGAPS_PATCH
px = ax + aw / 2 + (aw - 2*iv) * m->mfact / 2.0 + iv / 2;
#else
px = ax + aw / 2 + aw * m->mfact / 2.0;
#endif // VANITYGAPS_PATCH
py = ay + ah / 2;
}
} else if (horizontal) {
px = ax + aw / 2;
if (mirror)
#if VANITYGAPS_PATCH
py = ay + (ah - ih) * (1.0 - m->mfact) + ih / 2;
#else
py = ay + (ah * (1.0 - m->mfact));
#endif // VANITYGAPS_PATCH
else
#if VANITYGAPS_PATCH
py = ay + ((ah - ih) * m->mfact) + ih / 2;
#else
py = ay + (ah * m->mfact);
#endif // VANITYGAPS_PATCH
} else { // vertical split
if (mirror)
#if VANITYGAPS_PATCH
px = ax + (aw - iv) * (1.0 - m->mfact) + iv / 2;
#else
px = ax + (aw * m->mfact);
#endif // VANITYGAPS_PATCH
else
#if VANITYGAPS_PATCH
px = ax + ((aw - iv) * m->mfact) + iv / 2;
#else
px = ax + (aw * m->mfact);
#endif // VANITYGAPS_PATCH
py = ay + ah / 2;
}
XWarpPointer(dpy, None, root, 0, 0, 0, 0, px, py);
do {
XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) {
case ConfigureRequest:
case Expose:
case MapRequest:
handler[ev.type](&ev);
break;
case MotionNotify:
if ((ev.xmotion.time - lasttime) <= (1000 / 40))
continue;
if (lasttime != 0) {
px = ev.xmotion.x;
py = ev.xmotion.y;
}
lasttime = ev.xmotion.time;
#if VANITYGAPS_PATCH
if (center)
if (horizontal)
if (py - ay > ah / 2)
fact = (double) 1.0 - (ay + ah - py - ih / 2) * 2 / (double) (ah - 2*ih);
else
fact = (double) 1.0 - (py - ay - ih / 2) * 2 / (double) (ah - 2*ih);
else
if (px - ax > aw / 2)
fact = (double) 1.0 - (ax + aw - px - iv / 2) * 2 / (double) (aw - 2*iv);
else
fact = (double) 1.0 - (px - ax - iv / 2) * 2 / (double) (aw - 2*iv);
else
if (horizontal)
fact = (double) (py - ay - ih / 2) / (double) (ah - ih);
else
fact = (double) (px - ax - iv / 2) / (double) (aw - iv);
#else
if (center)
if (horizontal)
if (py - ay > ah / 2)
fact = (double) 1.0 - (ay + ah - py) * 2 / (double) ah;
else
fact = (double) 1.0 - (py - ay) * 2 / (double) ah;
else
if (px - ax > aw / 2)
fact = (double) 1.0 - (ax + aw - px) * 2 / (double) aw;
else
fact = (double) 1.0 - (px - ax) * 2 / (double) aw;
else
if (horizontal)
fact = (double) (py - ay) / (double) ah;
else
fact = (double) (px - ax) / (double) aw;
#endif // VANITYGAPS_PATCH
if (!center && mirror)
fact = 1.0 - fact;
setmfact(&((Arg) { .f = 1.0 + fact }));
px = ev.xmotion.x;
py = ev.xmotion.y;
break;
}
} while (ev.type != ButtonRelease);
XUngrabPointer(dpy, CurrentTime);
while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
}