resize corners patch

dwm.c

@@ -1674,10 +1674,15 @@ void
 resizemouse(const Arg *arg)
 {
 	int ocx, ocy, nw, nh;
+	int ocx2, ocy2, nx, ny;
 	unsigned int i;
 	Client *c;
 	Monitor *m;
 	XEvent ev;
+	int horizcorner, vertcorner;
+	int di;
+	unsigned int dui;
+	Window dummy;
 	Time lasttime = 0;
 
 	if (!(c = selmon->sel))
@@ -1687,12 +1692,21 @@ resizemouse(const Arg *arg)
 	restack(selmon);
 	ocx = c->x;
 	ocy = c->y;
+	ocx2 = c->x + c->w;
+	ocy2 = c->y + c->h;
 	if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
 		None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
 		return;
 
+	// should be in the if, but i want gcc to stfu
+		horizcorner = nx < c->w / 2;
+		vertcorner  = ny < c->h / 2;
 	if (c->isfloating || NULL == c->mon->lt[c->mon->sellt]->arrange) {
-		XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
+		if (!XQueryPointer (dpy, c->win, &dummy, &dummy, &di, &di, &nx, &ny, &dui))
+			return;
+		XWarpPointer (dpy, None, c->win, 0, 0, 0, 0,
+				horizcorner ? (-c->bw) : (c->w + c->bw -1),
+				vertcorner  ? (-c->bw) : (c->h + c->bw -1));
 	} else {
 		XWarpPointer(dpy, None, root, 0, 0, 0, 0,
 			selmon->mx + (selmon->ww * selmon->mfact),
@@ -1712,12 +1726,12 @@ resizemouse(const Arg *arg)
 			if ((ev.xmotion.time - lasttime) <= (1000 / 60))
 				continue;
 			lasttime = ev.xmotion.time;
-
-			nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
-			nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
-
+			nx = horizcorner ? ev.xmotion.x : c->x;
+			ny = vertcorner ? ev.xmotion.y : c->y;
+			nw = MAX(horizcorner ? (ocx2 - nx) : (ev.xmotion.x - ocx - 2 * c->bw + 1), 1);
+			nh = MAX(vertcorner ? (ocy2 - ny) : (ev.xmotion.y - ocy - 2 * c->bw + 1), 1);
 			if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
-				resize(c, c->x, c->y, nw, nh, 1);
+				resize(c, nx, ny, nw, nh, 1);
 			else {
 				selmon->mfact = (double) (ev.xmotion.x_root - selmon->mx) / (double) selmon->ww;
 				for(i=0; i<LENGTH(tags); ++i)
@@ -1732,7 +1746,9 @@ resizemouse(const Arg *arg)
 	} while (ev.type != ButtonRelease);
 
 	if (c->isfloating || NULL == c->mon->lt[c->mon->sellt]->arrange) {
-		XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
+		XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
+		      	horizcorner ? (-c->bw) : (c->w + c->bw - 1),
+		      	vertcorner ? (-c->bw) : (c->h + c->bw - 1));
 	} else {
 		XWarpPointer(dpy, None, root, 0, 0, 0, 0,
 			selmon->mx + (selmon->ww * selmon->mfact),

patches/controls/dwm-resizecorners-6.2.diff

@@ -0,0 +1,68 @@
+diff -r -u a/dwm.c b/dwm.c
+--- a/dwm.c	2019-02-02 07:55:28.000000000 -0500
++++ b/dwm.c	2022-01-17 22:38:33.614493243 -0500
+@@ -1291,9 +1291,14 @@
+ resizemouse(const Arg *arg)
+ {
+ 	int ocx, ocy, nw, nh;
++	int ocx2, ocy2, nx, ny;
+ 	Client *c;
+ 	Monitor *m;
+ 	XEvent ev;
++	int horizcorner, vertcorner;
++	int di;
++	unsigned int dui;
++	Window dummy;
+ 	Time lasttime = 0;
+ 
+ 	if (!(c = selmon->sel))
+@@ -1303,10 +1308,18 @@
+ 	restack(selmon);
+ 	ocx = c->x;
+ 	ocy = c->y;
++	ocx2 = c->x + c->w;
++	ocy2 = c->y + c->h;
+ 	if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
+ 		None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
+ 		return;
+-	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
++	if (!XQueryPointer (dpy, c->win, &dummy, &dummy, &di, &di, &nx, &ny, &dui))
++		return;
++	horizcorner = nx < c->w / 2;
++	vertcorner  = ny < c->h / 2;
++	XWarpPointer (dpy, None, c->win, 0, 0, 0, 0,
++			horizcorner ? (-c->bw) : (c->w + c->bw -1),
++			vertcorner  ? (-c->bw) : (c->h + c->bw -1));
+ 	do {
+ 		XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
+ 		switch(ev.type) {
+@@ -1320,8 +1333,11 @@
+ 				continue;
+ 			lasttime = ev.xmotion.time;
+ 
+-			nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
+-			nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
++			nx = horizcorner ? ev.xmotion.x : c->x;
++			ny = vertcorner ? ev.xmotion.y : c->y;
++			nw = MAX(horizcorner ? (ocx2 - nx) : (ev.xmotion.x - ocx - 2 * c->bw + 1), 1);
++			nh = MAX(vertcorner ? (ocy2 - ny) : (ev.xmotion.y - ocy - 2 * c->bw + 1), 1);
++
+ 			if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww
+ 			&& c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh)
+ 			{
+@@ -1330,11 +1346,13 @@
+ 					togglefloating(NULL);
+ 			}
+ 			if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
+-				resize(c, c->x, c->y, nw, nh, 1);
++				resize(c, nx, ny, nw, nh, 1);
+ 			break;
+ 		}
+ 	} while (ev.type != ButtonRelease);
+-	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
++	XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
++		      horizcorner ? (-c->bw) : (c->w + c->bw - 1),
++		      vertcorner ? (-c->bw) : (c->h + c->bw - 1));
+ 	XUngrabPointer(dpy, CurrentTime);
+ 	while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
+ 	if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {