214 lines
9.1 KiB
Diff
214 lines
9.1 KiB
Diff
From af959703381f2c216624eff7795f59156b05c2a0 Mon Sep 17 00:00:00 2001
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From: Hai Nguyen <hhai2105@gmail.com>
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Date: Wed, 19 Jan 2022 04:38:20 -0500
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Subject: [PATCH] implement keychord using array and pointer instead of heap
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allocation
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---
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config.def.h | 63 +++++++++++++++++++++++----------------------
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dwm.c | 72 ++++++++++++++++++++++++++++++++++++++++------------
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2 files changed, 88 insertions(+), 47 deletions(-)
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diff --git a/config.def.h b/config.def.h
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index a2ac963..7cc8ddd 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -46,11 +46,11 @@ static const Layout layouts[] = {
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/* key definitions */
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#define MODKEY Mod1Mask
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-#define TAGKEYS(KEY,TAG) \
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- { MODKEY, KEY, view, {.ui = 1 << TAG} }, \
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- { MODKEY|ControlMask, KEY, toggleview, {.ui = 1 << TAG} }, \
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- { MODKEY|ShiftMask, KEY, tag, {.ui = 1 << TAG} }, \
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- { MODKEY|ControlMask|ShiftMask, KEY, toggletag, {.ui = 1 << TAG} },
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+#define TAGKEYS(KEY,TAG) \
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+ &((Keychord){1, {{MODKEY, KEY}}, view, {.ui = 1 << TAG} }), \
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+ &((Keychord){1, {{MODKEY|ControlMask, KEY}}, toggleview, {.ui = 1 << TAG} }), \
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+ &((Keychord){1, {{MODKEY|ShiftMask, KEY}}, tag, {.ui = 1 << TAG} }), \
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+ &((Keychord){1, {{MODKEY|ControlMask|ShiftMask, KEY}}, toggletag, {.ui = 1 << TAG} }),
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/* helper for spawning shell commands in the pre dwm-5.0 fashion */
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#define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }
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@@ -60,31 +60,32 @@ static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn()
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static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
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static const char *termcmd[] = { "st", NULL };
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-static Key keys[] = {
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- /* modifier key function argument */
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- { MODKEY, XK_p, spawn, {.v = dmenucmd } },
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- { MODKEY|ShiftMask, XK_Return, spawn, {.v = termcmd } },
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- { MODKEY, XK_b, togglebar, {0} },
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- { MODKEY, XK_j, focusstack, {.i = +1 } },
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- { MODKEY, XK_k, focusstack, {.i = -1 } },
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- { MODKEY, XK_i, incnmaster, {.i = +1 } },
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- { MODKEY, XK_d, incnmaster, {.i = -1 } },
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- { MODKEY, XK_h, setmfact, {.f = -0.05} },
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- { MODKEY, XK_l, setmfact, {.f = +0.05} },
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- { MODKEY, XK_Return, zoom, {0} },
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- { MODKEY, XK_Tab, view, {0} },
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- { MODKEY|ShiftMask, XK_c, killclient, {0} },
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- { MODKEY, XK_t, setlayout, {.v = &layouts[0]} },
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- { MODKEY, XK_f, setlayout, {.v = &layouts[1]} },
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- { MODKEY, XK_m, setlayout, {.v = &layouts[2]} },
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- { MODKEY, XK_space, setlayout, {0} },
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- { MODKEY|ShiftMask, XK_space, togglefloating, {0} },
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- { MODKEY, XK_0, view, {.ui = ~0 } },
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- { MODKEY|ShiftMask, XK_0, tag, {.ui = ~0 } },
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- { MODKEY, XK_comma, focusmon, {.i = -1 } },
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- { MODKEY, XK_period, focusmon, {.i = +1 } },
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- { MODKEY|ShiftMask, XK_comma, tagmon, {.i = -1 } },
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- { MODKEY|ShiftMask, XK_period, tagmon, {.i = +1 } },
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+static Keychord *keychords[] = {
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+ /* Keys function argument */
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+ &((Keychord){1, {{MODKEY, XK_p}}, spawn, {.v = dmenucmd } }),
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_Return}}, spawn, {.v = termcmd } }),
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+ &((Keychord){2, {{MODKEY, XK_e}, {MODKEY, XK_e}}, spawn, {.v = termcmd } }),
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+ &((Keychord){1, {{MODKEY, XK_b}}, togglebar, {0} }),
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+ &((Keychord){1, {{MODKEY, XK_j}}, focusstack, {.i = +1 } }),
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+ &((Keychord){1, {{MODKEY, XK_k}}, focusstack, {.i = -1 } }),
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+ &((Keychord){1, {{MODKEY, XK_i}}, incnmaster, {.i = +1 } }),
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+ &((Keychord){1, {{MODKEY, XK_d}}, incnmaster, {.i = -1 } }),
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+ &((Keychord){1, {{MODKEY, XK_h}}, setmfact, {.f = -0.05} }),
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+ &((Keychord){1, {{MODKEY, XK_l}}, setmfact, {.f = +0.05} }),
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+ &((Keychord){1, {{MODKEY, XK_Return}}, zoom, {0} }),
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+ &((Keychord){1, {{MODKEY, XK_Tab}}, view, {0} }),
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_c}}, killclient, {0} }),
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+ &((Keychord){1, {{MODKEY, XK_t}}, setlayout, {.v = &layouts[0]} }),
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+ &((Keychord){1, {{MODKEY, XK_f}}, setlayout, {.v = &layouts[1]} }),
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+ &((Keychord){1, {{MODKEY, XK_m}}, setlayout, {.v = &layouts[2]} }),
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+ &((Keychord){1, {{MODKEY, XK_space}}, setlayout, {0} }),
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_space}}, togglefloating, {0} }),
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+ &((Keychord){1, {{MODKEY, XK_0}}, view, {.ui = ~0 } }),
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_0}}, tag, {.ui = ~0 } }),
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+ &((Keychord){1, {{MODKEY, XK_comma}}, focusmon, {.i = -1 } }),
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+ &((Keychord){1, {{MODKEY, XK_period}}, focusmon, {.i = +1 } }),
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_comma}}, tagmon, {.i = -1 } }),
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_period}}, tagmon, {.i = +1 } }),
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TAGKEYS( XK_1, 0)
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TAGKEYS( XK_2, 1)
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TAGKEYS( XK_3, 2)
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@@ -94,7 +95,7 @@ static Key keys[] = {
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TAGKEYS( XK_7, 6)
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TAGKEYS( XK_8, 7)
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TAGKEYS( XK_9, 8)
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- { MODKEY|ShiftMask, XK_q, quit, {0} },
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+ &((Keychord){1, {{MODKEY|ShiftMask, XK_q}}, quit, {0} }),
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};
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/* button definitions */
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diff --git a/dwm.c b/dwm.c
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index a96f33c..f9777bd 100644
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--- a/dwm.c
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+++ b/dwm.c
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@@ -102,9 +102,14 @@ struct Client {
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typedef struct {
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unsigned int mod;
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KeySym keysym;
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+} Key;
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+
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+typedef struct {
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+ unsigned int n;
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+ const Key keys[5];
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void (*func)(const Arg *);
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const Arg arg;
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-} Key;
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+} Keychord;
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typedef struct {
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const char *symbol;
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@@ -268,6 +273,7 @@ static Display *dpy;
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static Drw *drw;
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static Monitor *mons, *selmon;
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static Window root, wmcheckwin;
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+unsigned int currentkey = 0;
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/* configuration, allows nested code to access above variables */
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#include "config.h"
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@@ -954,16 +960,17 @@ grabkeys(void)
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{
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updatenumlockmask();
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{
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- unsigned int i, j;
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+ unsigned int i, k;
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unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
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KeyCode code;
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-
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XUngrabKey(dpy, AnyKey, AnyModifier, root);
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- for (i = 0; i < LENGTH(keys); i++)
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- if ((code = XKeysymToKeycode(dpy, keys[i].keysym)))
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- for (j = 0; j < LENGTH(modifiers); j++)
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- XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
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- True, GrabModeAsync, GrabModeAsync);
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+ for (i = 0; i < LENGTH(keychords); i++)
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+ if ((code = XKeysymToKeycode(dpy, keychords[i]->keys[currentkey].keysym)))
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+ for (k = 0; k < LENGTH(modifiers); k++)
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+ XGrabKey(dpy, code, keychords[i]->keys[currentkey].mod | modifiers[k], root,
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+ True, GrabModeAsync, GrabModeAsync);
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+ if(currentkey > 0)
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+ XGrabKey(dpy, XKeysymToKeycode(dpy, XK_Escape), AnyModifier, root, True, GrabModeAsync, GrabModeAsync);
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}
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}
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@@ -989,17 +996,50 @@ isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
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void
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keypress(XEvent *e)
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{
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- unsigned int i;
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+ XEvent event = *e;
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+ unsigned int ran = 0;
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KeySym keysym;
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XKeyEvent *ev;
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- ev = &e->xkey;
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- keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
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- for (i = 0; i < LENGTH(keys); i++)
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- if (keysym == keys[i].keysym
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- && CLEANMASK(keys[i].mod) == CLEANMASK(ev->state)
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- && keys[i].func)
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- keys[i].func(&(keys[i].arg));
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+ Keychord *arr1[sizeof(keychords) / sizeof(Keychord*)];
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+ Keychord *arr2[sizeof(keychords) / sizeof(Keychord*)];
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+ memcpy(arr1, keychords, sizeof(keychords));
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+ Keychord **rpointer = arr1;
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+ Keychord **wpointer = arr2;
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+
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+ size_t r = sizeof(keychords)/ sizeof(Keychord*);
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+
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+ while(1){
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+ ev = &event.xkey;
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+ keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
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+ size_t w = 0;
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+ for (int i = 0; i < r; i++){
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+ if(keysym == (*(rpointer + i))->keys[currentkey].keysym
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+ && CLEANMASK((*(rpointer + i))->keys[currentkey].mod) == CLEANMASK(ev->state)
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+ && (*(rpointer + i))->func){
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+ if((*(rpointer + i))->n == currentkey +1){
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+ (*(rpointer + i))->func(&((*(rpointer + i))->arg));
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+ ran = 1;
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+ }else{
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+ *(wpointer + w) = *(rpointer + i);
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+ w++;
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+ }
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+ }
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+ }
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+ currentkey++;
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+ if(w == 0 || ran == 1)
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+ break;
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+ grabkeys();
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+ while (running && !XNextEvent(dpy, &event) && !ran)
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+ if(event.type == KeyPress)
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+ break;
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+ r = w;
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+ Keychord **holder = rpointer;
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+ rpointer = wpointer;
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+ wpointer = holder;
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+ }
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+ currentkey = 0;
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+ grabkeys();
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}
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void
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--
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2.34.1
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