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Adding "ghost" scratchpads patch
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dwm/dwm-ghostscratchpads-20210920-a786211.diff
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159
dwm/dwm-ghostscratchpads-20210920-a786211.diff
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From 60109531c98801c19b7bf9eb8639455105b8ff26 Mon Sep 17 00:00:00 2001
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From: Bakkeby <bakkeby@gmail.com>
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Date: Mon, 20 Sep 2021 09:59:52 +0200
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Subject: [PATCH] Example patch for "ghost" scratchpads which allows for
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windows to be focused without being displayed.
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The patch was created in relation to this reddit post:
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https://www.reddit.com/r/suckless/comments/p6qbay/looking_for_a_dwm_patch_or_the_interest_to/
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---
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config.def.h | 11 ++++++++---
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dwm.c | 43 +++++++++++++++++++++++++++++++++++++++++++
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2 files changed, 51 insertions(+), 3 deletions(-)
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diff --git a/config.def.h b/config.def.h
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index a2ac963..b873a40 100644
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--- a/config.def.h
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+++ b/config.def.h
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@@ -26,9 +26,10 @@ static const Rule rules[] = {
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* WM_CLASS(STRING) = instance, class
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* WM_NAME(STRING) = title
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*/
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- /* class instance title tags mask isfloating monitor */
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- { "Gimp", NULL, NULL, 0, 1, -1 },
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- { "Firefox", NULL, NULL, 1 << 8, 0, -1 },
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+ /* class instance title tags mask isfloating monitor scratch key */
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+ { "Gimp", NULL, NULL, 0, 1, -1, 0 },
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+ { "firefox", NULL, NULL, 1 << 8, 0, -1, 0 },
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+ { NULL, NULL, "scratchpad", 0, 1, -1, 's' },
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};
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/* layout(s) */
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@@ -60,10 +61,14 @@ 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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+/*First arg only serves to match against key in rules*/
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+static const char *scratchpadcmd[] = {"s", "st", "-t", "scratchpad", NULL};
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+
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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_grave, focusscratch, {.v = scratchpadcmd } },
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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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diff --git a/dwm.c b/dwm.c
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index 5e4d494..253bc06 100644
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--- a/dwm.c
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+++ b/dwm.c
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@@ -93,6 +93,7 @@ struct Client {
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int bw, oldbw;
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unsigned int tags;
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int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
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+ char scratchkey;
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Client *next;
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Client *snext;
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Monitor *mon;
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@@ -139,6 +140,7 @@ typedef struct {
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unsigned int tags;
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int isfloating;
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int monitor;
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+ const char scratchkey;
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} Rule;
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/* function declarations */
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@@ -168,6 +170,7 @@ static void expose(XEvent *e);
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static void focus(Client *c);
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static void focusin(XEvent *e);
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static void focusmon(const Arg *arg);
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+static void focusscratch(const Arg *arg);
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static void focusstack(const Arg *arg);
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static Atom getatomprop(Client *c, Atom prop);
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static int getrootptr(int *x, int *y);
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@@ -207,6 +210,7 @@ static void seturgent(Client *c, int urg);
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static void showhide(Client *c);
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static void sigchld(int unused);
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static void spawn(const Arg *arg);
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+static void spawnscratch(const Arg *arg);
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static void tag(const Arg *arg);
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static void tagmon(const Arg *arg);
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static void tile(Monitor *);
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@@ -288,6 +292,7 @@ applyrules(Client *c)
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/* rule matching */
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c->isfloating = 0;
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c->tags = 0;
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+ c->scratchkey = 0;
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XGetClassHint(dpy, c->win, &ch);
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class = ch.res_class ? ch.res_class : broken;
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instance = ch.res_name ? ch.res_name : broken;
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@@ -300,6 +305,7 @@ applyrules(Client *c)
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{
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c->isfloating = r->isfloating;
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c->tags |= r->tags;
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+ c->scratchkey = r->scratchkey;
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for (m = mons; m && m->num != r->monitor; m = m->next);
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if (m)
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c->mon = m;
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@@ -309,6 +315,7 @@ applyrules(Client *c)
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XFree(ch.res_class);
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if (ch.res_name)
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XFree(ch.res_name);
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+
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c->tags = c->tags & TAGMASK ? c->tags & TAGMASK : c->mon->tagset[c->mon->seltags];
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}
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@@ -830,6 +837,29 @@ focusmon(const Arg *arg)
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focus(NULL);
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}
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+void
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+focusscratch(const Arg *arg)
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+{
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+ Client *c;
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+ unsigned int found = 0;
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+
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+ for (c = selmon->clients; c && !(found = c->scratchkey == ((char**)arg->v)[0][0]); c = c->next);
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+ if (found) {
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+ if (c == selmon->sel) {
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+ unfocus(c, 0);
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+ focus(NULL);
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+ arrange(selmon);
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+ } else {
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+ unfocus(selmon->sel, 0);
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+ grabbuttons(c, 1);
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+ setfocus(c);
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+ selmon->sel = c;
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+ }
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+ } else {
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+ spawnscratch(arg);
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+ }
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+}
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+
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void
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focusstack(const Arg *arg)
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{
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@@ -1653,6 +1683,19 @@ spawn(const Arg *arg)
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}
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}
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+void spawnscratch(const Arg *arg)
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+{
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+ if (fork() == 0) {
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+ if (dpy)
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+ close(ConnectionNumber(dpy));
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+ setsid();
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+ execvp(((char **)arg->v)[1], ((char **)arg->v)+1);
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+ fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[1]);
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+ perror(" failed");
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+ exit(EXIT_SUCCESS);
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+ }
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+}
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+
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void
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tag(const Arg *arg)
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{
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--
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2.33.0
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