Adding savefloats patch

3 files changed, 71 insertions, 3 deletions

diff --git a/README.md b/README.md
index 4bbdeea..ec48c86 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
 ### Changelog:
 
-2019-09-07 - Added cyclelayouts, resizecorners and rotatestack patch
+2019-09-07 - Added cyclelayouts, resizecorners, rotatestack and savefloats patches
 
 2019-09-06 - Added attachabove, attachaside, attachbelow, attachbottom, autostart, fancybar, focusonnetactive and losefullscreen patches
 
@@ -62,6 +62,10 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
    - [rotatestack](https://dwm.suckless.org/patches/rotatestack/)
       - let's you rotate through the stack using keyboard shortcuts
 
+   - [savefloats](https://dwm.suckless.org/patches/save_floats/)
+      - saves size and position of every floating window before it is forced into tiled mode
+      - if the window is made floating again then the old dimensions will be restored
+
    - [systray](https://dwm.suckless.org/patches/systray/)
       - adds system tray in the status bar
 
diff --git a/dwm.c b/dwm.c
index a3978e3..66bcab9 100644
--- a/dwm.c
+++ b/dwm.c
@@ -100,6 +100,9 @@ struct Client {
 	char name[256];
 	float mina, maxa;
 	int x, y, w, h;
+	#if SAVEFLOATS_PATCH
+	int sfx, sfy, sfw, sfh; /* stored float geometry, used on mode revert */
+	#endif // SAVEFLOATS_PATCH
 	int oldx, oldy, oldw, oldh;
 	int basew, baseh, incw, inch, maxw, maxh, minw, minh;
 	int bw, oldbw;
@@ -1312,6 +1315,13 @@ manage(Window w, XWindowAttributes *wa)
 	updatewindowtype(c);
 	updatesizehints(c);
 	updatewmhints(c);
+	#if SAVEFLOATS_PATCH
+	c->sfx = -9999;
+	c->sfy = -9999;
+	c->sfw = c->w;
+	c->sfh = c->h;
+	#endif // SAVEFLOATS_PATCH
+
 	XSelectInput(dpy, w, EnterWindowMask|FocusChangeMask|PropertyChangeMask|StructureNotifyMask);
 	grabbuttons(c, 0);
 	if (!c->isfloating)
@@ -1447,8 +1457,16 @@ movemouse(const Arg *arg)
 			if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
 			&& (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
 				togglefloating(NULL);
-			if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
+			if (!selmon->lt[selmon->sellt]->arrange || c->isfloating) {
+			#if SAVEFLOATS_PATCH
+				resize(c, nx, ny, c->w, c->h, 1);
+				/* save last known float coordinates */
+				c->sfx = nx;
+				c->sfy = ny;
+			#else
 				resize(c, nx, ny, c->w, c->h, 1);
+			#endif // SAVEFLOATS_PATCH
+			}
 			break;
 		}
 	} while (ev.type != ButtonRelease);
@@ -1641,8 +1659,21 @@ resizemouse(const Arg *arg)
 			if (!selmon->lt[selmon->sellt]->arrange || c->isfloating) {
 				#if RESIZECORNERS_PATCH
 				resize(c, nx, ny, nw, nh, 1);
+				#if SAVEFLOATS_PATCH
+                /* save last known float dimensions */
+                c->sfx = nx;
+                c->sfy = ny;
+                c->sfw = nw;
+                c->sfh = nh;
+				#endif // SAVEFLOATS_PATCH
 				#else
 				resize(c, c->x, c->y, nw, nh, 1);
+				#if SAVEFLOATS_PATCH
+				c->sfx = c->x;
+				c->sfy = c->y;
+				c->sfw = nw;
+				c->sfh = nh;
+				#endif // SAVEFLOATS_PATCH
 				#endif // RESIZECORNERS_PATCH
 			}
 			break;
@@ -2020,6 +2051,14 @@ showhide(Client *c)
 		return;
 	if (ISVISIBLE(c)) {
 		/* show clients top down */
+		#if SAVEFLOATS_PATCH
+		if (!c->mon->lt[c->mon->sellt]->arrange && c->sfx != -9999 && !c->isfullscreen) {
+			XMoveWindow(dpy, c->win, c->sfx, c->sfy);
+			resize(c, c->sfx, c->sfy, c->sfw, c->sfh, 0);
+			showhide(c->snext);
+			return;
+		}
+		#endif // SAVEFLOATS_PATCH
 		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, 0);
@@ -2144,9 +2183,27 @@ togglefloating(const Arg *arg)
 	if (selmon->sel->isfullscreen) /* no support for fullscreen windows */
 		return;
 	selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
-	if (selmon->sel->isfloating)
+	if (selmon->sel->isfloating) {
+		#if SAVEFLOATS_PATCH
+		if (selmon->sel->sfx != -9999) {
+			/* restore last known float dimensions */
+			resize(selmon->sel, selmon->sel->sfx, selmon->sel->sfy,
+			       selmon->sel->sfw, selmon->sel->sfh, 0);
+			arrange(selmon);
+			return;
+		}
+		#endif // SAVEFLOATS_PATCH
 		resize(selmon->sel, selmon->sel->x, selmon->sel->y,
 			selmon->sel->w, selmon->sel->h, 0);
+	#if SAVEFLOATS_PATCH
+	} else {
+		/* save last known float dimensions */
+		selmon->sel->sfx = selmon->sel->x;
+		selmon->sel->sfy = selmon->sel->y;
+		selmon->sel->sfw = selmon->sel->w;
+		selmon->sel->sfh = selmon->sel->h;
+	#endif // SAVEFLOATS_PATCH
+	}
 	arrange(selmon);
 }
 
diff --git a/patches.h b/patches.h
index ece7226..e2b25e7 100644
--- a/patches.h
+++ b/patches.h
@@ -92,6 +92,13 @@
  */
 #define ROTATESTACK_PATCH 0
 
+/* This patch aves size and position of every floating window before it is forced
+ * into tiled mode. If the window is made floating again then the old dimensions
+ * will be restored.
+ * https://dwm.suckless.org/patches/save_floats/
+ */
+#define SAVEFLOATS_PATCH 1
+
 /* The systray patch adds systray for the status bar.
  * https://dwm.suckless.org/patches/systray/
  */