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From 7ac106cad72c909fbb05d302f84191cdec8f2ac0 Mon Sep 17 00:00:00 2001
From: oxinosg <oxinosg@gmail.com>
Date: Sat, 10 Dec 2022 15:24:14 +0100
Subject: [PATCH] [dwm][moveresize]: fix for resize to edge
---
config.def.h | 16 ++++++
dwm.c | 154 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 170 insertions(+)
diff --git a/config.def.h b/config.def.h
index 9efa774..99049e7 100644
--- a/config.def.h
+++ b/config.def.h
@@ -79,6 +79,22 @@ static const Key keys[] = {
{ MODKEY, XK_m, setlayout, {.v = &layouts[2]} },
{ MODKEY, XK_space, setlayout, {0} },
{ MODKEY|ShiftMask, XK_space, togglefloating, {0} },
+ { MODKEY, XK_Down, moveresize, {.v = "0x 25y 0w 0h" } },
+ { MODKEY, XK_Up, moveresize, {.v = "0x -25y 0w 0h" } },
+ { MODKEY, XK_Right, moveresize, {.v = "25x 0y 0w 0h" } },
+ { MODKEY, XK_Left, moveresize, {.v = "-25x 0y 0w 0h" } },
+ { MODKEY|ShiftMask, XK_Down, moveresize, {.v = "0x 0y 0w 25h" } },
+ { MODKEY|ShiftMask, XK_Up, moveresize, {.v = "0x 0y 0w -25h" } },
+ { MODKEY|ShiftMask, XK_Right, moveresize, {.v = "0x 0y 25w 0h" } },
+ { MODKEY|ShiftMask, XK_Left, moveresize, {.v = "0x 0y -25w 0h" } },
+ { MODKEY|ControlMask, XK_Up, moveresizeedge, {.v = "t"} },
+ { MODKEY|ControlMask, XK_Down, moveresizeedge, {.v = "b"} },
+ { MODKEY|ControlMask, XK_Left, moveresizeedge, {.v = "l"} },
+ { MODKEY|ControlMask, XK_Right, moveresizeedge, {.v = "r"} },
+ { MODKEY|ControlMask|ShiftMask, XK_Up, moveresizeedge, {.v = "T"} },
+ { MODKEY|ControlMask|ShiftMask, XK_Down, moveresizeedge, {.v = "B"} },
+ { MODKEY|ControlMask|ShiftMask, XK_Left, moveresizeedge, {.v = "L"} },
+ { MODKEY|ControlMask|ShiftMask, XK_Right, moveresizeedge, {.v = "R"} },
{ MODKEY, XK_0, view, {.ui = ~0 } },
{ MODKEY|ShiftMask, XK_0, tag, {.ui = ~0 } },
{ MODKEY, XK_comma, focusmon, {.i = -1 } },
diff --git a/dwm.c b/dwm.c
index 03baf42..89ec70d 100644
--- a/dwm.c
+++ b/dwm.c
@@ -183,6 +183,8 @@ static void mappingnotify(XEvent *e);
static void maprequest(XEvent *e);
static void monocle(Monitor *m);
static void motionnotify(XEvent *e);
+static void moveresize(const Arg *arg);
+static void moveresizeedge(const Arg *arg);
static void movemouse(const Arg *arg);
static Client *nexttiled(Client *c);
static void pop(Client *c);
@@ -1203,6 +1205,158 @@ movemouse(const Arg *arg)
}
}
+void
+moveresize(const Arg *arg) {
+ /* only floating windows can be moved */
+ Client *c;
+ c = selmon->sel;
+ int x, y, w, h, nx, ny, nw, nh, ox, oy, ow, oh;
+ char xAbs, yAbs, wAbs, hAbs;
+ int msx, msy, dx, dy, nmx, nmy;
+ unsigned int dui;
+ Window dummy;
+
+ if (!c || !arg)
+ return;
+ if (selmon->lt[selmon->sellt]->arrange && !c->isfloating)
+ return;
+ if (sscanf((char *)arg->v, "%d%c %d%c %d%c %d%c", &x, &xAbs, &y, &yAbs, &w, &wAbs, &h, &hAbs) != 8)
+ return;
+
+ /* compute new window position; prevent window from be positioned outside the current monitor */
+ nw = c->w + w;
+ if (wAbs == 'W')
+ nw = w < selmon->mw - 2 * c->bw ? w : selmon->mw - 2 * c->bw;
+
+ nh = c->h + h;
+ if (hAbs == 'H')
+ nh = h < selmon->mh - 2 * c->bw ? h : selmon->mh - 2 * c->bw;
+
+ nx = c->x + x;
+ if (xAbs == 'X') {
+ if (x < selmon->mx)
+ nx = selmon->mx;
+ else if (x > selmon->mx + selmon->mw)
+ nx = selmon->mx + selmon->mw - nw - 2 * c->bw;
+ else
+ nx = x;
+ }
+
+ ny = c->y + y;
+ if (yAbs == 'Y') {
+ if (y < selmon->my)
+ ny = selmon->my;
+ else if (y > selmon->my + selmon->mh)
+ ny = selmon->my + selmon->mh - nh - 2 * c->bw;
+ else
+ ny = y;
+ }
+
+ ox = c->x;
+ oy = c->y;
+ ow = c->w;
+ oh = c->h;
+
+ XRaiseWindow(dpy, c->win);
+ Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &msx, &msy, &dx, &dy, &dui);
+ resize(c, nx, ny, nw, nh, True);
+
+ /* move cursor along with the window to avoid problems caused by the sloppy focus */
+ if (xqp && ox <= msx && (ox + ow) >= msx && oy <= msy && (oy + oh) >= msy)
+ {
+ nmx = c->x - ox + c->w - ow;
+ nmy = c->y - oy + c->h - oh;
+ /* make sure the cursor stays inside the window */
+ if ((msx + nmx) > c->x && (msy + nmy) > c->y)
+ XWarpPointer(dpy, None, None, 0, 0, 0, 0, nmx, nmy);
+ }
+}
+
+void
+moveresizeedge(const Arg *arg) {
+ /* move or resize floating window to edge of screen */
+ Client *c;
+ c = selmon->sel;
+ char e;
+ int nx, ny, nw, nh, ox, oy, ow, oh, bp;
+ int msx, msy, dx, dy, nmx, nmy;
+ int starty;
+ unsigned int dui;
+ Window dummy;
+
+ nx = c->x;
+ ny = c->y;
+ nw = c->w;
+ nh = c->h;
+
+ starty = selmon->showbar && topbar ? bh : 0;
+ bp = selmon->showbar && !topbar ? bh : 0;
+
+ if (!c || !arg)
+ return;
+ if (selmon->lt[selmon->sellt]->arrange && !c->isfloating)
+ return;
+ if(sscanf((char *)arg->v, "%c", &e) != 1)
+ return;
+
+ if(e == 't')
+ ny = starty;
+
+ if(e == 'b')
+ ny = c->h > selmon->mh - 2 * c->bw ? c->h - bp : selmon->mh - c->h - 2 * c->bw - bp;
+
+ if(e == 'l')
+ nx = selmon->mx;
+
+ if(e == 'r')
+ nx = c->w > selmon->mw - 2 * c->bw ? selmon->mx + c->w : selmon->mx + selmon->mw - c->w - 2 * c->bw;
+
+ if(e == 'T') {
+ /* if you click to resize again, it will return to old size/position */
+ if(c->h + starty == c->oldh + c->oldy) {
+ nh = c->oldh;
+ ny = c->oldy;
+ } else {
+ nh = c->h + c->y - starty;
+ ny = starty;
+ }
+ }
+
+ if(e == 'B')
+ nh = c->h + c->y + 2 * c->bw + bp == selmon->mh ? c->oldh : selmon->mh - c->y - 2 * c->bw - bp;
+
+ if(e == 'L') {
+ if(selmon->mx + c->w == c->oldw + c->oldx) {
+ nw = c->oldw;
+ nx = c->oldx;
+ } else {
+ nw = c->w + c->x - selmon->mx;
+ nx = selmon->mx;
+ }
+ }
+
+ if(e == 'R')
+ nw = c->w + c->x + 2 * c->bw == selmon->mx + selmon->mw ? c->oldw : selmon->mx + selmon->mw - c->x - 2 * c->bw;
+
+ ox = c->x;
+ oy = c->y;
+ ow = c->w;
+ oh = c->h;
+
+ XRaiseWindow(dpy, c->win);
+ Bool xqp = XQueryPointer(dpy, root, &dummy, &dummy, &msx, &msy, &dx, &dy, &dui);
+ resizeclient(c, nx, ny, nw, nh);
+
+ /* move cursor along with the window to avoid problems caused by the sloppy focus */
+ if (xqp && ox <= msx && (ox + ow) >= msx && oy <= msy && (oy + oh) >= msy) {
+ nmx = c->x - ox + c->w - ow;
+ nmy = c->y - oy + c->h - oh;
+ /* make sure the cursor stays inside the window */
+ if ((msx + nmx) > c->x && (msy + nmy) > c->y)
+ XWarpPointer(dpy, None, None, 0, 0, 0, 0, nmx, nmy);
+ }
+}
+
Client *
nexttiled(Client *c)
{
--
2.34.1
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