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From 58507fca3c3c334f540700c5ed81815d9335138e Mon Sep 17 00:00:00 2001
From: Nihal Jere <noocsharp@gmail.com>
Date: Thu, 12 Mar 2020 10:16:48 -0500
Subject: [PATCH] holdbar: fixed bar flickering caused by repeated key events
---
config.def.h | 2 ++
dwm.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/config.def.h b/config.def.h
index 1c0b587..0e19b5d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -50,6 +50,7 @@ static const Layout layouts[] = {
{ MODKEY|ControlMask, KEY, toggleview, {.ui = 1 << TAG} }, \
{ MODKEY|ShiftMask, KEY, tag, {.ui = 1 << TAG} }, \
{ MODKEY|ControlMask|ShiftMask, KEY, toggletag, {.ui = 1 << TAG} },
+#define HOLDKEY 0 // replace 0 with the keysym to activate holdbar
/* helper for spawning shell commands in the pre dwm-5.0 fashion */
#define SHCMD(cmd) { .v = (const char*[]){ "/bin/sh", "-c", cmd, NULL } }
@@ -94,6 +95,7 @@ static Key keys[] = {
TAGKEYS( XK_8, 7)
TAGKEYS( XK_9, 8)
{ MODKEY|ShiftMask, XK_q, quit, {0} },
+ { 0, HOLDKEY, holdbar, {0} },
};
/* button definitions */
diff --git a/dwm.c b/dwm.c
index 4465af1..9437707 100644
--- a/dwm.c
+++ b/dwm.c
@@ -176,6 +176,7 @@ static void grabbuttons(Client *c, int focused);
static void grabkeys(void);
static void incnmaster(const Arg *arg);
static void keypress(XEvent *e);
+static void keyrelease(XEvent *e);
static void killclient(const Arg *arg);
static void manage(Window w, XWindowAttributes *wa);
static void mappingnotify(XEvent *e);
@@ -210,6 +211,7 @@ static void tag(const Arg *arg);
static void tagmon(const Arg *arg);
static void tile(Monitor *);
static void togglebar(const Arg *arg);
+static void holdbar(const Arg *arg);
static void togglefloating(const Arg *arg);
static void toggletag(const Arg *arg);
static void toggleview(const Arg *arg);
@@ -217,6 +219,7 @@ static void unfocus(Client *c, int setfocus);
static void unmanage(Client *c, int destroyed);
static void unmapnotify(XEvent *e);
static void updatebarpos(Monitor *m);
+static void updateholdbarpos(Monitor *m);
static void updatebars(void);
static void updateclientlist(void);
static int updategeom(void);
@@ -245,6 +248,7 @@ static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0;
static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
+ [ButtonRelease] = keyrelease,
[ClientMessage] = clientmessage,
[ConfigureRequest] = configurerequest,
[ConfigureNotify] = configurenotify,
@@ -252,6 +256,7 @@ static void (*handler[LASTEvent]) (XEvent *) = {
[EnterNotify] = enternotify,
[Expose] = expose,
[FocusIn] = focusin,
+ [KeyRelease] = keyrelease,
[KeyPress] = keypress,
[MappingNotify] = mappingnotify,
[MapRequest] = maprequest,
@@ -275,6 +280,51 @@ static Window root, wmcheckwin;
struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
/* function implementations */
+
+
+void
+holdbar(const Arg *arg)
+{
+ selmon->showbar = 1;
+ updateholdbarpos(selmon);
+ XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
+}
+
+
+void
+keyrelease(XEvent *e)
+{
+ if (XEventsQueued(dpy, QueuedAfterReading)) {
+ XEvent ne;
+ XPeekEvent(dpy, &ne);
+
+ if (ne.type == KeyPress && ne.xkey.time == e->xkey.time &&
+ ne.xkey.keycode == e->xkey.keycode) {
+ XNextEvent(dpy, &ne);
+ return;
+ }
+ }
+ if (e->xkey.keycode == XKeysymToKeycode(dpy, HOLDKEY)) {
+ selmon->showbar = 0;
+ updateholdbarpos(selmon);
+ XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
+ arrange(selmon);
+ }
+}
+
+void
+updateholdbarpos(Monitor *m)
+{
+ m->wy = m->my;
+ m->wh = m->mh;
+ if (m->showbar) {
+ m->by = m->topbar ? m->wy : m->wy + m->wh - bh;
+ m->wy = m->topbar ? m->wy - bh + bh : m->wy;
+ } else {
+ m->by = -bh;
+ }
+}
+
void
applyrules(Client *c)
{
--
2.25.1
|