[wiki] [sites] update keychord to add new version of patch || Hai Nguyen

From: <git_AT_suckless.org>
Date: Wed, 19 Jan 2022 10:48:44 +0100

commit 99b85c64f2e9589ad3b251cc3cca05fba33b3df6
Author: Hai Nguyen <hhai2105_AT_gmail.com>
Date: Wed Jan 19 04:45:29 2022 -0500

    update keychord to add new version of patch

diff --git a/dwm.suckless.org/patches/keychord/dwm-keychord-6.2.diff b/dwm.suckless.org/patches/keychord/dwm-keychord-6.2.diff
new file mode 100644
index 00000000..98ac4a8f
--- /dev/null
+++ b/dwm.suckless.org/patches/keychord/dwm-keychord-6.2.diff
_AT_@ -0,0 +1,214 @@
+From af959703381f2c216624eff7795f59156b05c2a0 Mon Sep 17 00:00:00 2001
+From: Hai Nguyen <hhai2105_AT_gmail.com>
+Date: Wed, 19 Jan 2022 04:38:20 -0500
+Subject: [PATCH] implement keychord using array and pointer instead of heap
+ allocation
+
+---
+ config.def.h | 63 +++++++++++++++++++++++----------------------
+ dwm.c | 72 ++++++++++++++++++++++++++++++++++++++++------------
+ 2 files changed, 88 insertions(+), 47 deletions(-)
+
+diff --git a/config.def.h b/config.def.h
+index a2ac963..7cc8ddd 100644
+--- a/config.def.h
++++ b/config.def.h
+_AT_@ -46,11 +46,11 @@ static const Layout layouts[] = {
+
+ /* key definitions */
+ #define MODKEY Mod1Mask
+-#define TAGKEYS(KEY,TAG) \
+- { MODKEY, KEY, view, {.ui = 1 << TAG} }, \
+- { MODKEY|ControlMask, KEY, toggleview, {.ui = 1 << TAG} }, \
+- { MODKEY|ShiftMask, KEY, tag, {.ui = 1 << TAG} }, \
+- { MODKEY|ControlMask|ShiftMask, KEY, toggletag, {.ui = 1 << TAG} },
++#define TAGKEYS(KEY,TAG) \
++ &((Keychord){1, {{MODKEY, KEY}}, view, {.ui = 1 << TAG} }), \
++ &((Keychord){1, {{MODKEY|ControlMask, KEY}}, toggleview, {.ui = 1 << TAG} }), \
++ &((Keychord){1, {{MODKEY|ShiftMask, KEY}}, tag, {.ui = 1 << TAG} }), \
++ &((Keychord){1, {{MODKEY|ControlMask|ShiftMask, KEY}}, toggletag, {.ui = 1 << TAG} }),
+
+ /* helper for spawning shell commands in the pre dwm-5.0 fashion */
+ #define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }
+_AT_@ -60,31 +60,32 @@ static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn()
+ static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
+ static const char *termcmd[] = { "st", NULL };
+
+-static Key keys[] = {
+- /* modifier key function argument */
+- { MODKEY, XK_p, spawn, {.v = dmenucmd } },
+- { MODKEY|ShiftMask, XK_Return, spawn, {.v = termcmd } },
+- { MODKEY, XK_b, togglebar, {0} },
+- { MODKEY, XK_j, focusstack, {.i = +1 } },
+- { MODKEY, XK_k, focusstack, {.i = -1 } },
+- { MODKEY, XK_i, incnmaster, {.i = +1 } },
+- { MODKEY, XK_d, incnmaster, {.i = -1 } },
+- { MODKEY, XK_h, setmfact, {.f = -0.05} },
+- { MODKEY, XK_l, setmfact, {.f = +0.05} },
+- { MODKEY, XK_Return, zoom, {0} },
+- { MODKEY, XK_Tab, view, {0} },
+- { MODKEY|ShiftMask, XK_c, killclient, {0} },
+- { MODKEY, XK_t, setlayout, {.v = &layouts[0]} },
+- { MODKEY, XK_f, setlayout, {.v = &layouts[1]} },
+- { MODKEY, XK_m, setlayout, {.v = &layouts[2]} },
+- { MODKEY, XK_space, setlayout, {0} },
+- { MODKEY|ShiftMask, XK_space, togglefloating, {0} },
+- { MODKEY, XK_0, view, {.ui = ~0 } },
+- { MODKEY|ShiftMask, XK_0, tag, {.ui = ~0 } },
+- { MODKEY, XK_comma, focusmon, {.i = -1 } },
+- { MODKEY, XK_period, focusmon, {.i = +1 } },
+- { MODKEY|ShiftMask, XK_comma, tagmon, {.i = -1 } },
+- { MODKEY|ShiftMask, XK_period, tagmon, {.i = +1 } },
++static Keychord *keychords[] = {
++ /* Keys function argument */
++ &((Keychord){1, {{MODKEY, XK_p}}, spawn, {.v = dmenucmd } }),
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_Return}}, spawn, {.v = termcmd } }),
++ &((Keychord){2, {{MODKEY, XK_e}, {MODKEY, XK_e}}, spawn, {.v = termcmd } }),
++ &((Keychord){1, {{MODKEY, XK_b}}, togglebar, {0} }),
++ &((Keychord){1, {{MODKEY, XK_j}}, focusstack, {.i = +1 } }),
++ &((Keychord){1, {{MODKEY, XK_k}}, focusstack, {.i = -1 } }),
++ &((Keychord){1, {{MODKEY, XK_i}}, incnmaster, {.i = +1 } }),
++ &((Keychord){1, {{MODKEY, XK_d}}, incnmaster, {.i = -1 } }),
++ &((Keychord){1, {{MODKEY, XK_h}}, setmfact, {.f = -0.05} }),
++ &((Keychord){1, {{MODKEY, XK_l}}, setmfact, {.f = +0.05} }),
++ &((Keychord){1, {{MODKEY, XK_Return}}, zoom, {0} }),
++ &((Keychord){1, {{MODKEY, XK_Tab}}, view, {0} }),
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_c}}, killclient, {0} }),
++ &((Keychord){1, {{MODKEY, XK_t}}, setlayout, {.v = &layouts[0]} }),
++ &((Keychord){1, {{MODKEY, XK_f}}, setlayout, {.v = &layouts[1]} }),
++ &((Keychord){1, {{MODKEY, XK_m}}, setlayout, {.v = &layouts[2]} }),
++ &((Keychord){1, {{MODKEY, XK_space}}, setlayout, {0} }),
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_space}}, togglefloating, {0} }),
++ &((Keychord){1, {{MODKEY, XK_0}}, view, {.ui = ~0 } }),
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_0}}, tag, {.ui = ~0 } }),
++ &((Keychord){1, {{MODKEY, XK_comma}}, focusmon, {.i = -1 } }),
++ &((Keychord){1, {{MODKEY, XK_period}}, focusmon, {.i = +1 } }),
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_comma}}, tagmon, {.i = -1 } }),
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_period}}, tagmon, {.i = +1 } }),
+ TAGKEYS( XK_1, 0)
+ TAGKEYS( XK_2, 1)
+ TAGKEYS( XK_3, 2)
+_AT_@ -94,7 +95,7 @@ static Key keys[] = {
+ TAGKEYS( XK_7, 6)
+ TAGKEYS( XK_8, 7)
+ TAGKEYS( XK_9, 8)
+- { MODKEY|ShiftMask, XK_q, quit, {0} },
++ &((Keychord){1, {{MODKEY|ShiftMask, XK_q}}, quit, {0} }),
+ };
+
+ /* button definitions */
+diff --git a/dwm.c b/dwm.c
+index a96f33c..f9777bd 100644
+--- a/dwm.c
++++ b/dwm.c
+_AT_@ -102,9 +102,14 @@ 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;
+_AT_@ -268,6 +273,7 @@ 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"
+_AT_@ -954,16 +960,17 @@ grabkeys(void)
+ {
+ updatenumlockmask();
+ {
+- unsigned int i, j;
++ unsigned int i, k;
+ unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
+ KeyCode code;
+-
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+- for (i = 0; i < LENGTH(keys); i++)
+- if ((code = XKeysymToKeycode(dpy, keys[i].keysym)))
+- for (j = 0; j < LENGTH(modifiers); j++)
+- XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
+- True, GrabModeAsync, GrabModeAsync);
++ for (i = 0; i < LENGTH(keychords); i++)
++ if ((code = XKeysymToKeycode(dpy, keychords[i]->keys[currentkey].keysym)))
++ for (k = 0; k < LENGTH(modifiers); k++)
++ XGrabKey(dpy, code, keychords[i]->keys[currentkey].mod | modifiers[k], root,
++ True, GrabModeAsync, GrabModeAsync);
++ if(currentkey > 0)
++ XGrabKey(dpy, XKeysymToKeycode(dpy, XK_Escape), AnyModifier, root, True, GrabModeAsync, GrabModeAsync);
+ }
+ }
+
+_AT_@ -989,17 +996,50 @@ isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
+ void
+ keypress(XEvent *e)
+ {
+- 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
+--
+2.34.1
+
diff --git a/dwm.suckless.org/patches/keychord/index.md b/dwm.suckless.org/patches/keychord/index.md
index cb52e4f6..30d16792 100644
--- a/dwm.suckless.org/patches/keychord/index.md
+++ b/dwm.suckless.org/patches/keychord/index.md
_AT_@ -5,10 +5,14 @@ Description
 -----------
 A patch that change the Key struct to Keychord, letting user map a sequence of key instead of one singular keystroke.
 
+*update 01/19/2021:
+change implementation to use array and pointer instead of dynamic heap allocation to minimize crash due heap allocation being too slow.
+
 
 Download
 --------
-* [dwm-keychord-20211210-a786211.diff](dwm-keychord-20211210-a786211.diff)
+* [dwm-keychord-20211210-a786211.diff](dwm-keychord-20211210-a786211.diff) (10/12/2021)
+* [dwm-keychord-6.2.diff](dwm-keychord-6.2.diff) (01/19/2021)
 
 Authors
 -------
Received on Wed Jan 19 2022 - 10:48:44 CET