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neodotfiles/patches/dwm-keychord-6.2.diff
Clay Gomera ee142e71ec Startup commit
2024-03-28 17:00:58 -04:00

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From af959703381f2c216624eff7795f59156b05c2a0 Mon Sep 17 00:00:00 2001
From: Hai Nguyen <hhai2105@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
@@ -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 } }
@@ -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)
@@ -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
@@ -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;
@@ -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"
@@ -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);
}
}
@@ -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
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