feat: apply dwm-windowmap-20221026 patch

1 files changed, 50 insertions, 4 deletions

diff --git a/dwm.c b/dwm.c
index ea6f54b..bde54cb 100644
--- a/dwm.c
+++ b/dwm.c
@@ -274,6 +274,9 @@ static void updatetitle(Client *c);
 static void updatewindowtype(Client *c);
 static void updatewmhints(Client *c);
 static void view(const Arg *arg);
+static void window_set_state(Display *dpy, Window win, long state);
+static void window_map(Display *dpy, Client *c, int deiconify);
+static void window_unmap(Display *dpy, Window win, Window root, int iconify);
 static Client *wintoclient(Window w);
 static Monitor *wintomon(Window w);
 static int xerror(Display *dpy, XErrorEvent *ee);
@@ -2117,14 +2120,12 @@ showhide(Client *c)
 			c->y = c->mon->wy + (c->mon->wh / 2 - HEIGHT(c) / 2);
 		}
 		/* show clients top down */
-		XMoveWindow(dpy, c->win, c->x, c->y);
-		if ((!c->mon->lt[c->mon->sellt]->arrange || c->isfloating) && !c->isfullscreen)
-			resize(c, c->x, c->y, c->w, c->h, c->bw, 0);
+ 		window_map(dpy, c, 1);
 		showhide(c->snext);
 	} else {
 		/* hide clients bottom up */
 		showhide(c->snext);
-		XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
+ 		window_unmap(dpy, c->win, root, 1);
 	}
 }
 
@@ -2651,6 +2652,51 @@ updatewmhints(Client *c)
 }
 
 void
+window_set_state(Display *dpy, Window win, long state)
+{
+	long data[] = { state, None };
+
+	XChangeProperty(dpy, win, wmatom[WMState], wmatom[WMState], 32,
+		PropModeReplace, (unsigned char*)data, 2);
+}
+
+void
+window_map(Display *dpy, Client *c, int deiconify)
+{
+	Window win = c->win;
+
+	if (deiconify)
+		window_set_state(dpy, win, NormalState);
+
+	XMoveResizeWindow(dpy, c->win, c->x, c->y, c->w, c->h);
+	XSetInputFocus(dpy, win, RevertToPointerRoot, CurrentTime);
+	XMapWindow(dpy, win);
+}
+
+void
+window_unmap(Display *dpy, Window win, Window root, int iconify)
+{
+	static XWindowAttributes ca, ra;
+
+	XGrabServer(dpy);
+	XGetWindowAttributes(dpy, root, &ra);
+	XGetWindowAttributes(dpy, win, &ca);
+
+	/* Prevent UnmapNotify events */
+	XSelectInput(dpy, root, ra.your_event_mask & ~SubstructureNotifyMask);
+	XSelectInput(dpy, win, ca.your_event_mask & ~StructureNotifyMask);
+
+	XUnmapWindow(dpy, win);
+
+	if (iconify)
+		window_set_state(dpy, win, IconicState);
+
+	XSelectInput(dpy, root, ra.your_event_mask);
+	XSelectInput(dpy, win, ca.your_event_mask);
+	XUngrabServer(dpy);
+}
+
+void
 view(const Arg *arg)
 {
 	int i;