From 48176963e1dc6312fa28d9b14e2a02833a657b08 Mon Sep 17 00:00:00 2001
From: Solomon Laing <solomonlaing@protonmail.com>
Date: Fri, 18 Apr 2025 21:39:15 +0930
Subject: [PATCH] patched keychord, bye bye keychain :(

---
 dwm.c | 72 +++++++++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 58 insertions(+), 14 deletions(-)

diff --git a/dwm.c b/dwm.c
index 6e5ba4f..95fbbfe 100644
--- a/dwm.c
+++ b/dwm.c
@@ -117,9 +117,14 @@ struct Client {
 typedef struct {
 	unsigned int mod;
 	KeySym keysym;
+} Key;
+
+typedef struct {
+    unsigned int n;
+    const Key keys[5];
 	void (*func)(const Arg *);
 	const Arg arg;
-} Key;
+} Keychord;
 
 typedef struct {
 	const char *symbol;
@@ -312,6 +317,7 @@ static Display *dpy;
 static Drw *drw;
 static Monitor *mons, *selmon;
 static Window root, wmcheckwin;
+unsigned int currentkey = 0;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
@@ -1180,7 +1186,8 @@ grabkeys(void)
 {
 	updatenumlockmask();
 	{
-		unsigned int i, j, k;
+		/* unsigned int i, j, k; */
+		unsigned int i, c, k;
 		unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
 		int start, end, skip;
 		KeySym *syms;
@@ -1190,15 +1197,18 @@ grabkeys(void)
 		syms = XGetKeyboardMapping(dpy, start, end - start + 1, &skip);
 		if (!syms)
 			return;
+
 		for (k = start; k <= end; k++)
-			for (i = 0; i < LENGTH(keys); i++)
+			for (i = 0; i < LENGTH(keychords); i++)
 				/* skip modifier codes, we do that ourselves */
-				if (keys[i].keysym == syms[(k - start) * skip])
-					for (j = 0; j < LENGTH(modifiers); j++)
+				if (keychords[i]->keys[currentkey].keysym == syms[(k - start) * skip])
+					for (c = 0; c < LENGTH(modifiers); c++)
 						XGrabKey(dpy, k,
-							 keys[i].mod | modifiers[j],
+							 keychords[i]->keys[currentkey].mod | modifiers[c],
 							 root, True,
 							 GrabModeAsync, GrabModeAsync);
+                if(currentkey > 0)
+                        XGrabKey(dpy, XKeysymToKeycode(dpy, XK_Escape), AnyModifier, root, True, GrabModeAsync, GrabModeAsync);
 		XFree(syms);
 	}
 }
@@ -1225,17 +1235,51 @@ isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
 void
 keypress(XEvent *e)
 {
-	unsigned int i;
+	/* unsigned int i; */
+    XEvent event = *e;
+    unsigned int ran = 0;
 	KeySym keysym;
 	XKeyEvent *ev;
 
-	ev = &e->xkey;
-	keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
-	for (i = 0; i < LENGTH(keys); i++)
-		if (keysym == keys[i].keysym
-		&& CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
-		&& keys[i].func)
-			keys[i].func(&(keys[i].arg));
+    Keychord *arr1[sizeof(keychords) / sizeof(Keychord*)];
+    Keychord *arr2[sizeof(keychords) / sizeof(Keychord*)];
+    memcpy(arr1, keychords, sizeof(keychords));
+    Keychord **rpointer = arr1;
+    Keychord **wpointer = arr2;
+
+    size_t r = sizeof(keychords)/ sizeof(Keychord*);
+
+    while(1){
+            ev = &event.xkey;
+            keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
+            size_t w = 0;
+            for (int i = 0; i < r; i++){
+                    if(keysym == (*(rpointer + i))->keys[currentkey].keysym
+                       && CLEANMASK((*(rpointer + i))->keys[currentkey].mod) == CLEANMASK(ev->state)
+                       && (*(rpointer + i))->func){
+                            if((*(rpointer + i))->n == currentkey +1){
+                                    (*(rpointer + i))->func(&((*(rpointer + i))->arg));
+                                    ran = 1;
+                            }else{
+                                    *(wpointer + w) = *(rpointer + i);
+                                    w++;
+                            }
+                    }
+            }
+            currentkey++;
+            if(w == 0 || ran == 1)
+                    break;
+            grabkeys();
+            while (running && !XNextEvent(dpy, &event) && !ran)
+                    if(event.type == KeyPress)
+                            break;
+            r = w;
+            Keychord **holder = rpointer;
+            rpointer = wpointer;
+            wpointer = holder;
+    }
+    currentkey = 0;
+    grabkeys();
 }
 
 void