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From e61a957ff8b7e14219b5fbaab9da794b722e7874 Mon Sep 17 00:00:00 2001
From: Hai Nguyen <hhai2105@gmail.com>
Date: Fri, 10 Dec 2021 21:45:00 -0500
Subject: [PATCH] add Keychord struct, change keypress() and grabkeys() to be
able to grab a sequence of keystroke
---
config.def.h | 67 ++++++++++++++++++++++++++------------------------
dwm.c | 69 ++++++++++++++++++++++++++++++++++++++++------------
2 files changed, 88 insertions(+), 48 deletions(-)
diff --git a/config.def.h b/config.def.h
index a2ac963..15a3e05 100644
--- a/config.def.h
+++ b/config.def.h
@@ -46,11 +46,12 @@ 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) \
+ {1, {{MODKEY, KEY}}, view, {.ui = 1 << TAG} }, \
+ {1, {{MODKEY|ControlMask, KEY}}, toggleview, {.ui = 1 << TAG} }, \
+ {1, {{MODKEY|ShiftMask, KEY}}, tag, {.ui = 1 << TAG} }, \
+ {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 } }
@@ -59,32 +60,34 @@ static const Layout layouts[] = {
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 const char *emacs[] = { "emacs", 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 */
+ {1, {{MODKEY, XK_p}}, spawn, {.v = dmenucmd } },
+ {1, {{MODKEY|ShiftMask, XK_Return}}, spawn, {.v = termcmd } },
+ {2, {{MODKEY, XK_e}, {MODKEY, XK_e}}, spawn, {.v = termcmd } },
+ {1, {{MODKEY, XK_b}}, togglebar, {0} },
+ {1, {{MODKEY, XK_j}}, focusstack, {.i = +1 } },
+ {1, {{MODKEY, XK_k}}, focusstack, {.i = -1 } },
+ {1, {{MODKEY, XK_i}}, incnmaster, {.i = +1 } },
+ {1, {{MODKEY, XK_d}}, incnmaster, {.i = -1 } },
+ {1, {{MODKEY, XK_h}}, setmfact, {.f = -0.05} },
+ {1, {{MODKEY, XK_l}}, setmfact, {.f = +0.05} },
+ {1, {{MODKEY, XK_Return}}, zoom, {0} },
+ {1, {{MODKEY, XK_Tab}}, view, {0} },
+ {1, {{MODKEY|ShiftMask, XK_c}}, killclient, {0} },
+ {1, {{MODKEY, XK_t}}, setlayout, {.v = &layouts[0]} },
+ {1, {{MODKEY, XK_f}}, setlayout, {.v = &layouts[1]} },
+ {1, {{MODKEY, XK_m}}, setlayout, {.v = &layouts[2]} },
+ {1, {{MODKEY, XK_space}}, setlayout, {0} },
+ {1, {{MODKEY|ShiftMask, XK_space}}, togglefloating, {0} },
+ {1, {{MODKEY, XK_0}}, view, {.ui = ~0 } },
+ {1, {{MODKEY|ShiftMask, XK_0}}, tag, {.ui = ~0 } },
+ {1, {{MODKEY, XK_comma}}, focusmon, {.i = -1 } },
+ {1, {{MODKEY, XK_period}}, focusmon, {.i = +1 } },
+ {1, {{MODKEY|ShiftMask, XK_comma}}, tagmon, {.i = -1 } },
+ {1, {{MODKEY|ShiftMask, XK_period}}, tagmon, {.i = +1 } },
TAGKEYS( XK_1, 0)
TAGKEYS( XK_2, 1)
TAGKEYS( XK_3, 2)
@@ -92,9 +95,9 @@ static Key keys[] = {
TAGKEYS( XK_5, 4)
TAGKEYS( XK_6, 5)
TAGKEYS( XK_7, 6)
- TAGKEYS( XK_8, 7)
+ TAGKEYS( XK_8, 7)
TAGKEYS( XK_9, 8)
- { MODKEY|ShiftMask, XK_q, quit, {0} },
+ {1, {{MODKEY|ShiftMask, XK_q}}, quit, {0} },
};
/* button definitions */
diff --git a/dwm.c b/dwm.c
index 5e4d494..56c4661 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"
@@ -951,16 +957,16 @@ 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);
}
}
@@ -986,17 +992,48 @@ isuniquegeom(XineramaScreenInfo *unique, size_t n, XineramaScreenInfo *info)
void
keypress(XEvent *e)
{
- unsigned int i;
+ XEvent event = *e;
+ Keychord *keychord;
+ 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 *newoptions;
+ Keychord *oldoptions = (Keychord *)malloc(sizeof(keychords));
+
+ memcpy(oldoptions, keychords, sizeof(keychords));
+ size_t numoption = 0;
+ while(!ran){
+ ev = &event.xkey;
+ keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
+ newoptions = (Keychord *)malloc(0);
+ numoption = 0;
+ for (keychord = oldoptions; keychord->n != 0 && currentkey < 5; keychord = (Keychord *)((char *)keychord + sizeof(Keychord))){
+ if(keysym == keychord->keys[currentkey].keysym
+ && CLEANMASK(keychord->keys[currentkey].mod) == CLEANMASK(ev->state)
+ && keychord->func){
+ if(keychord->n == currentkey +1){
+ keychord->func(&(keychord->arg));
+ ran = 1;
+ }else{
+ numoption++;
+ newoptions = (Keychord *)realloc(newoptions, numoption * sizeof(Keychord));
+ memcpy((char *)newoptions + (numoption -1) * sizeof(Keychord),keychord, sizeof(Keychord));
+ }
+ }
+ }
+ currentkey++;
+ if(numoption == 0)
+ break;
+ grabkeys();
+ while (running && !XNextEvent(dpy, &event) && !ran)
+ if(event.type == KeyPress)
+ break;
+ free(oldoptions);
+ oldoptions = newoptions;
+ }
+ free(newoptions);
+ currentkey = 0;
+ grabkeys();
}
void
--
2.34.1
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