From 787416e6a3cead68472619a42385c58b23b51d81 Mon Sep 17 00:00:00 2001
From: Rick Console <rick@rickconsole.com>
Date: Thu, 5 Jun 2025 19:10:15 -0400
Subject: added monitor switching

---
 src/config.h |  5 ++++-
 src/defs.h   |  2 ++
 src/sxwm.c   | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/config.h b/src/config.h
index 7c42764..b67b771 100644
--- a/src/config.h
+++ b/src/config.h
@@ -13,6 +13,9 @@ const Binding binds[] = {
     {Mod4Mask, XK_j, {.fn = focus_next}, TYPE_FUNC},
     {Mod4Mask, XK_k, {.fn = focus_prev}, TYPE_FUNC},
 
+    {Mod4Mask, XK_comma, {.fn = focus_prev_monitor}, TYPE_FUNC},
+    {Mod4Mask, XK_period, {.fn = focus_next_monitor}, TYPE_FUNC},
+
     {Mod4Mask | ShiftMask, XK_j, {.fn = move_master_next}, TYPE_FUNC},
     {Mod4Mask | ShiftMask, XK_k, {.fn = move_master_prev}, TYPE_FUNC},
 
@@ -53,4 +56,4 @@ const Binding binds[] = {
     {Mod4Mask | ShiftMask, XK_8, {.ws = 7}, TYPE_MWKSP},
     {Mod4Mask, XK_9, {.ws = 8}, TYPE_CWKSP},
     {Mod4Mask | ShiftMask, XK_9, {.ws = 8}, TYPE_MWKSP},
-};
\ No newline at end of file
+};
diff --git a/src/defs.h b/src/defs.h
index 53c7c6a..9bba4be 100644
--- a/src/defs.h
+++ b/src/defs.h
@@ -107,6 +107,8 @@ extern void close_focused(void);
 extern void dec_gaps(void);
 extern void focus_next(void);
 extern void focus_prev(void);
+extern void focus_next_monitor(void);
+extern void focus_prev_monitor(void);
 extern void inc_gaps(void);
 extern void move_master_next(void);
 extern void move_master_prev(void);
diff --git a/src/sxwm.c b/src/sxwm.c
index bc6f922..63c0a24 100644
--- a/src/sxwm.c
+++ b/src/sxwm.c
@@ -343,6 +343,78 @@ void focus_prev(void)
 	update_borders();
 }
 
+void focus_next_monitor(void)
+{
+	if (monsn <= 1) {
+		return; /* only one monitor, nothing to switch to */
+	}
+
+	int current_mon = focused ? focused->mon : 0;
+	int target_mon = (current_mon + 1) % monsn;
+
+	/* find the first window on the target monitor in current workspace */
+	Client *target_client = NULL;
+	for (Client *c = workspaces[current_ws]; c; c = c->next) {
+		if (c->mon == target_mon && c->mapped && !c->fullscreen) {
+			target_client = c;
+			break;
+		}
+	}
+
+	if (target_client) {
+		/* focus the window on target monitor */
+		focused = target_client;
+		XSetInputFocus(dpy, focused->win, RevertToPointerRoot, CurrentTime);
+		XRaiseWindow(dpy, focused->win);
+		if (user_config.warp_cursor) {
+			warp_cursor(focused);
+		}
+		update_borders();
+	} else {
+		/* no windows on target monitor, just move cursor to center */
+		int center_x = mons[target_mon].x + mons[target_mon].w / 2;
+		int center_y = mons[target_mon].y + mons[target_mon].h / 2;
+		XWarpPointer(dpy, None, root, 0, 0, 0, 0, center_x, center_y);
+		XSync(dpy, False);
+	}
+}
+
+void focus_prev_monitor(void)
+{
+	if (monsn <= 1) {
+		return; /* only one monitor, nothing to switch to */
+	}
+
+	int current_mon = focused ? focused->mon : 0;
+	int target_mon = (current_mon - 1 + monsn) % monsn;
+
+	/* find the first window on the target monitor in current workspace */
+	Client *target_client = NULL;
+	for (Client *c = workspaces[current_ws]; c; c = c->next) {
+		if (c->mon == target_mon && c->mapped && !c->fullscreen) {
+			target_client = c;
+			break;
+		}
+	}
+
+	if (target_client) {
+		/* focus the window on target monitor */
+		focused = target_client;
+		XSetInputFocus(dpy, focused->win, RevertToPointerRoot, CurrentTime);
+		XRaiseWindow(dpy, focused->win);
+		if (user_config.warp_cursor) {
+			warp_cursor(focused);
+		}
+		update_borders();
+	} else {
+		/* no windows on target monitor, just move cursor to center */
+		int center_x = mons[target_mon].x + mons[target_mon].w / 2;
+		int center_y = mons[target_mon].y + mons[target_mon].h / 2;
+		XWarpPointer(dpy, None, root, 0, 0, 0, 0, center_x, center_y);
+		XSync(dpy, False);
+	}
+}
+
 int get_monitor_for(Client *c)
 {
 	int cx = c->x + c->w / 2, cy = c->y + c->h / 2;
-- 
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