Adding insets patch

README.md

@@ -15,7 +15,7 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
 
 ### Changelog:
 
-2020-08-10 - Added cool autostart patch
+2020-08-10 - Added cool autostart and insets patches
 
 2020-08-02 - Added reorganizetags patch
 
@@ -301,6 +301,10 @@ Refer to [https://dwm.suckless.org/](https://dwm.suckless.org/) for details on t
    - [inplacerotate](https://dwm.suckless.org/patches/inplacerotate/)
       - allows rotation of all clients in the master or stack area without affecting the other area
 
+   - [insets](https://dwm.suckless.org/patches/insets/)
+      - lets custom insets from each edge of the screen to be defined
+      - an example use case would be to make space for an external bar
+
    - [ispermanent](https://dwm.suckless.org/patches/ispermanent/)
       - adds rule option for clients to avoid accidental termination by killclient for sticky windows
 

config.def.h

@@ -403,6 +403,15 @@ static const MonitorRule monrules[] = {
 #endif // PERTAG_PATCH
 #endif // MONITOR_RULES_PATCH
 
+#if INSETS_PATCH
+static const Inset default_inset = {
+	.x = 0,
+	.y = 30,
+	.w = 0,
+	.h = 0,
+};
+#endif // INSETS_PATCH
+
 /* Bar rules allow you to configure what is shown where on the bar, as well as
  * introducing your own bar modules.
  *
@@ -944,6 +953,9 @@ static Key keys[] = {
 	#if REORGANIZETAGS_PATCH
 	{ MODKEY|ControlMask,           XK_r,          reorganizetags,         {0} },
 	#endif // REORGANIZETAGS_PATCH
+	#if INSETS_PATCH
+	{ MODKEY|ShiftMask|ControlMask, XK_a,          updateinset,            {.v = &default_inset } },
+	#endif // INSETS_PATCH
 	{ MODKEY,                       XK_Return,     zoom,                   {0} },
 	#if VANITYGAPS_PATCH
 	{ MODKEY|Mod4Mask,              XK_u,          incrgaps,               {.i = +1 } },

dwm.c

@@ -333,6 +333,15 @@ typedef struct {
 	#endif // FLEXTILE_DELUXE_LAYOUT
 } Layout;
 
+#if INSETS_PATCH
+typedef struct {
+	int x;
+	int y;
+	int w;
+	int h;
+} Inset;
+#endif // INSETS_PATCH
+
 #if PERTAG_PATCH
 typedef struct Pertag Pertag;
 #endif // PERTAG_PATCH
@@ -372,6 +381,9 @@ struct Monitor {
 	#if PERTAG_PATCH
 	Pertag *pertag;
 	#endif // PERTAG_PATCH
+	#if INSETS_PATCH
+	Inset inset;
+	#endif // INSETS_PATCH
 };
 
 typedef struct {
@@ -1387,6 +1399,9 @@ createmon(void)
 		#endif // VANITYGAPS_PATCH
 	}
 	#endif // PERTAG_PATCH
+	#if INSETS_PATCH
+	m->inset = default_inset;
+	#endif // INSETS_PATCH
 	return m;
 }
 
@@ -3516,7 +3531,9 @@ updatebars(void)
 void
 updatebarpos(Monitor *m)
 {
+	m->wx = m->mx;
 	m->wy = m->my;
+	m->ww = m->mw;
 	m->wh = m->mh;
 	int num_bars;
 	Bar *bar;
@@ -3528,8 +3545,17 @@ updatebarpos(Monitor *m)
 	int x_pad = 0;
 	#endif // BAR_PADDING_PATCH
 
+	#if INSETS_PATCH
+	// Custom insets
+	Inset inset = m->inset;
+	m->wx += inset.x;
+	m->wy += inset.y;
+	m->ww -= inset.w + inset.x;
+	m->wh -= inset.h + inset.y;
+	#endif // INSETS_PATCH
+
 	for (bar = m->bar; bar; bar = bar->next) {
-		bar->bx = m->mx + x_pad;
+		bar->bx = m->wx + x_pad;
 		bar->bw = m->ww - 2 * x_pad;
 		bar->bh = bh;
 	}
@@ -3542,7 +3568,7 @@ updatebarpos(Monitor *m)
 
 	for (num_bars = 0, bar = m->bar; bar; bar = bar->next, num_bars++)
 		if (bar->topbar)
-			m->wy = m->my + bh + y_pad;
+			m->wy = m->wy + bh + y_pad;
 	m->wh = m->wh - y_pad * num_bars - bh * num_bars;
 
 	for (bar = m->bar; bar; bar = bar->next)

patch/include.c

@@ -111,6 +111,9 @@
 #if INPLACEROTATE_PATCH
 #include "inplacerotate.c"
 #endif
+#if INSETS_PATCH
+#include "insets.c"
+#endif
 #if KEYMODES_PATCH
 #include "keymodes.c"
 #endif

patch/include.h

@@ -111,6 +111,9 @@
 #if INPLACEROTATE_PATCH
 #include "inplacerotate.h"
 #endif
+#if INSETS_PATCH
+#include "insets.h"
+#endif
 #if KEYMODES_PATCH
 #include "keymodes.h"
 #endif

patch/insets.c

@@ -0,0 +1,18 @@
+void
+setinset(Monitor *m, Inset inset)
+{
+	Bar *bar;
+	m->inset = inset;
+	updatebarpos(m);
+	for (bar = m->bar; bar; bar = bar->next)
+		XMoveResizeWindow(dpy, bar->win, bar->bx, bar->by, bar->bw, bar->bh);
+	arrange(m);
+}
+
+void
+updateinset(const Arg *arg)
+{
+	Inset *inset = (Inset *)arg->v;
+	for (Monitor *m = mons; m; m = m->next)
+		setinset(m, *inset);
+}

patch/insets.h

@@ -0,0 +1,2 @@
+static void setinset(Monitor *m, Inset inset);
+static void updateinset(const Arg *arg);

patches.def.h

@@ -458,6 +458,12 @@
  */
 #define INPLACEROTATE_PATCH 0
 
+/* This patch lets you define custom insets from each edge of the screen. One use case would be
+ * to arrange space for an external bar.
+ * https://dwm.suckless.org/patches/insets/
+ */
+#define INSETS_PATCH 0
+
 /* Adds rule option for clients to avoid accidental termination by killclient for sticky windows.
  * https://dwm.suckless.org/patches/ispermanent/
  */