From 1a0ec2f7044e96b56ec44f0cbc855bade0f9714e Mon Sep 17 00:00:00 2001
From: Ryan Kes <alrayyes@gmail.com>
Date: Wed, 13 Mar 2019 09:49:55 +0100
Subject: [PATCH] added alpha patch
---
PKGBUILD | 12 +-
config.h | 36 +-
local-alpha-20180613-b69c870.diff | 408 +++++++++++++++++
tmp/6.1/systray.diff | 681 ++++++++++++++++++++++++++++
tmp/6.2/systray.diff | 715 ++++++++++++++++++++++++++++++
5 files changed, 1846 insertions(+), 6 deletions(-)
create mode 100644 local-alpha-20180613-b69c870.diff
create mode 100644 tmp/6.1/systray.diff
create mode 100644 tmp/6.2/systray.diff
diff --git a/PKGBUILD b/PKGBUILD
index b9b8650..1169514 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -25,15 +25,16 @@ _patches=(
# "local-fancybar-2019018-b69c870.diff"
"local-scratchpad-20170207-bb3bd6f.diff"
"local-notitle-6.2.diff"
+ "local-alpha-20180613-b69c870.diff"
)
source=(http://dl.suckless.org/dwm/dwm-$pkgver.tar.gz
- config.h
- dwm.desktop
- "${_patches[@]}")
+ config.h
+ dwm.desktop
+ "${_patches[@]}")
md5sums=('9929845ccdec4d2cc191f16210dd7f3d'
- '255e4ca8ee222687c2699873cb742be7'
+ 'ac3797b8777cfebac73c48e9efea93a2'
'939f403a71b6e85261d09fc3412269ee'
'2c19f1a3db59e158c45483668f4cee24'
'fbb786263f2d714b18368ff64779d669'
@@ -45,7 +46,8 @@ md5sums=('9929845ccdec4d2cc191f16210dd7f3d'
'd2781ac29048fc50e42e0f11e6cf7bce'
'c5469c1457955a8447e05ec5118b3ce6'
'7381051e12596394791092f0d39a2dd2'
- 'd14e0938455073391cdcd3ccad083150')
+ 'd14e0938455073391cdcd3ccad083150'
+ 'd53207118f641b49208d4720176f26be')
prepare() {
cd $srcdir/$pkgname-$pkgver
diff --git a/config.h b/config.h
index 990083f..4105d96 100644
--- a/config.h
+++ b/config.h
@@ -22,6 +22,8 @@ static const char col_yellow[] = "#ffff00";
static const char col_white[] = "#ffffff";
static const char status_white[] = "#dddddd";
static const char status_black[] = "#000";
+static const unsigned int baralpha = 0xd0;
+static const unsigned int borderalpha = OPAQUE;
static const char *colors[][3] = {
/* fg bg border */
[SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
@@ -60,7 +62,39 @@ static const char *colors[][3] = {
//{ status_black, "#42717B", "#42717B" }, /* bar 15 */
//{ "#dddddd", "#42717B", "#42717B" }, /* bar 16 seperator */
//{ status_black, "#dddddd", "#dddddd" }, /* bar 16 */
-
+};
+static const unsigned int alphas[][3] = {
+ /* fg bg border */
+ [SchemeNorm] = { OPAQUE, baralpha, borderalpha },
+ [SchemeSel] = { OPAQUE, baralpha, borderalpha },
+ [SchemeWarn] = { OPAQUE, baralpha, borderalpha },
+ [SchemeUrgent] = { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha }, /* bar 1 seperator */
+ { OPAQUE, baralpha, borderalpha }, /* bar 1 */
+ { OPAQUE, baralpha, borderalpha }, /* bar 2 seperator */
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
+ { OPAQUE, baralpha, borderalpha },
};
/* tagging */
diff --git a/local-alpha-20180613-b69c870.diff b/local-alpha-20180613-b69c870.diff
new file mode 100644
index 0000000..becc9c3
--- /dev/null
+++ b/local-alpha-20180613-b69c870.diff
@@ -0,0 +1,408 @@
+diff -up a/config.def.h b/config.def.h
+--- a/config.def.h
++++ b/config.def.h
+@@ -20,7 +20,8 @@ static const char col_black[] = "#
+ static const char col_red[] = "#ff0000";
+ static const char col_yellow[] = "#ffff00";
+ static const char col_white[] = "#ffffff";
+-
++static const unsigned int baralpha = 0xd0;
++static const unsigned int borderalpha = OPAQUE;
+ static const char *colors[][3] = {
+ /* fg bg border */
+ [SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
+@@ -28,6 +29,11 @@ static const char *colors[][3] = {
+ [SchemeWarn] = { col_black, col_yellow, col_red },
+ [SchemeUrgent]= { col_white, col_red, col_red },
+ };
++static const unsigned int alphas[][3] = {
++ /* fg bg border */
++ [SchemeNorm] = { OPAQUE, baralpha, borderalpha },
++ [SchemeSel] = { OPAQUE, baralpha, borderalpha },
++};
+
+ /* tagging */
+ static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+diff -up a/config.mk b/config.mk
+--- a/config.mk 2019-02-02 13:55:28.000000000 +0100
++++ b/config.mk 2019-03-12 18:34:52.780703276 +0100
+@@ -22,7 +22,7 @@ FREETYPEINC = /usr/include/freetype2
+
+ # includes and libs
+ INCS = -I${X11INC} -I${FREETYPEINC}
+-LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS}
++LIBS = -L${X11LIB} -lX11 ${XINERAMALIBS} ${FREETYPELIBS} -lXrender
+
+ # flags
+ CPPFLAGS = -D_DEFAULT_SOURCE -D_BSD_SOURCE -D_POSIX_C_SOURCE=2 -DVERSION=\"${VERSION}\" ${XINERAMAFLAGS}
+diff -up a/drw.c b/drw.c
+--- a/drw.c 2019-02-02 13:55:28.000000000 +0100
++++ b/drw.c 2019-03-12 18:34:52.780703276 +0100
+@@ -61,7 +61,7 @@ utf8decode(const char *c, long *u, size_
+ }
+
+ Drw *
+-drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
++drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap)
+ {
+ Drw *drw = ecalloc(1, sizeof(Drw));
+
+@@ -70,8 +70,14 @@ drw_create(Display *dpy, int screen, Win
+ drw->root = root;
+ drw->w = w;
+ drw->h = h;
+- drw->drawable = XCreatePixmap(dpy, root, w, h, DefaultDepth(dpy, screen));
+- drw->gc = XCreateGC(dpy, root, 0, NULL);
++ drw->visual = visual;
++ drw->depth = depth;
++ drw->cmap = cmap;
++ drw->visual = visual;
++ drw->depth = depth;
++ drw->cmap = cmap;
++ drw->drawable = XCreatePixmap(dpy, root, w, h, depth);
++ drw->gc = XCreateGC(dpy, drw->drawable, 0, NULL);
+ XSetLineAttributes(dpy, drw->gc, 1, LineSolid, CapButt, JoinMiter);
+
+ return drw;
+@@ -87,7 +93,7 @@ drw_resize(Drw *drw, unsigned int w, uns
+ drw->h = h;
+ if (drw->drawable)
+ XFreePixmap(drw->dpy, drw->drawable);
+- drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, DefaultDepth(drw->dpy, drw->screen));
++ drw->drawable = XCreatePixmap(drw->dpy, drw->root, w, h, drw->depth);
+ }
+
+ void
+@@ -193,21 +199,22 @@ drw_fontset_free(Fnt *font)
+ }
+
+ void
+-drw_clr_create(Drw *drw, Clr *dest, const char *clrname)
++drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha)
+ {
+ if (!drw || !dest || !clrname)
+ return;
+
+- if (!XftColorAllocName(drw->dpy, DefaultVisual(drw->dpy, drw->screen),
+- DefaultColormap(drw->dpy, drw->screen),
++ if (!XftColorAllocName(drw->dpy, drw->visual, drw->cmap,
+ clrname, dest))
+ die("error, cannot allocate color '%s'", clrname);
++
++ dest->pixel = (dest->pixel & 0x00ffffffU) | (alpha << 24);
+ }
+
+ /* Wrapper to create color schemes. The caller has to call free(3) on the
+ * returned color scheme when done using it. */
+ Clr *
+-drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount)
++drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount)
+ {
+ size_t i;
+ Clr *ret;
+@@ -217,7 +224,7 @@ drw_scm_create(Drw *drw, const char *clr
+ return NULL;
+
+ for (i = 0; i < clrcount; i++)
+- drw_clr_create(drw, &ret[i], clrnames[i]);
++ drw_clr_create(drw, &ret[i], clrnames[i], alphas[i]);
+ return ret;
+ }
+
+@@ -273,9 +280,7 @@ drw_text(Drw *drw, int x, int y, unsigne
+ } else {
+ XSetForeground(drw->dpy, drw->gc, drw->scheme[invert ? ColFg : ColBg].pixel);
+ XFillRectangle(drw->dpy, drw->drawable, drw->gc, x, y, w, h);
+- d = XftDrawCreate(drw->dpy, drw->drawable,
+- DefaultVisual(drw->dpy, drw->screen),
+- DefaultColormap(drw->dpy, drw->screen));
++ d = XftDrawCreate(drw->dpy, drw->drawable, drw->visual, drw->cmap);
+ x += lpad;
+ w -= lpad;
+ }
+diff -up a/drw.h b/drw.h
+--- a/drw.h 2019-02-02 13:55:28.000000000 +0100
++++ b/drw.h 2019-03-12 18:34:52.780703276 +0100
+@@ -20,6 +20,9 @@ typedef struct {
+ Display *dpy;
+ int screen;
+ Window root;
++ Visual *visual;
++ unsigned int depth;
++ Colormap cmap;
+ Drawable drawable;
+ GC gc;
+ Clr *scheme;
+@@ -27,7 +30,7 @@ typedef struct {
+ } Drw;
+
+ /* Drawable abstraction */
+-Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
++Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h, Visual *visual, unsigned int depth, Colormap cmap);
+ void drw_resize(Drw *drw, unsigned int w, unsigned int h);
+ void drw_free(Drw *drw);
+
+@@ -38,8 +41,8 @@ unsigned int drw_fontset_getwidth(Drw *d
+ void drw_font_getexts(Fnt *font, const char *text, unsigned int len, unsigned int *w, unsigned int *h);
+
+ /* Colorscheme abstraction */
+-void drw_clr_create(Drw *drw, Clr *dest, const char *clrname);
+-Clr *drw_scm_create(Drw *drw, const char *clrnames[], size_t clrcount);
++void drw_clr_create(Drw *drw, Clr *dest, const char *clrname, unsigned int alpha);
++Clr *drw_scm_create(Drw *drw, const char *clrnames[], const unsigned int alphas[], size_t clrcount);
+
+ /* Cursor abstraction */
+ Cur *drw_cur_create(Drw *drw, int shape);
+diff -up a/dwm.c b/dwm.c
+--- a/dwm.c 2019-03-13 09:31:38.313322535 +0100
++++ b/dwm.c 2019-03-12 18:34:52.780703276 +0100
+@@ -58,6 +58,8 @@
+ #define TAGMASK ((1 << LENGTH(tags)) - 1)
+ #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
+
++#define OPAQUE 0xffU
++
+ #define SYSTEM_TRAY_REQUEST_DOCK 0
+
+ /* XEMBED messages */
+@@ -74,6 +76,8 @@
+ #define VERSION_MINOR 0
+ #define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
+
++#define OPAQUE 0xffU
++
+ /* enums */
+ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel, SchemeWarn, SchemeUrgent }; /* color schemes */
+@@ -272,6 +276,7 @@ static Client *wintosystrayicon(Window w
+ static int xerror(Display *dpy, XErrorEvent *ee);
+ static int xerrordummy(Display *dpy, XErrorEvent *ee);
+ static int xerrorstart(Display *dpy, XErrorEvent *ee);
++static void xinitvisual();
+ static void zoom(const Arg *arg);
+
+ /* variables */
+@@ -310,6 +315,11 @@ static Drw *drw;
+ static Monitor *mons, *selmon;
+ static Window root, wmcheckwin;
+
++static int useargb = 0;
++static Visual *visual;
++static int depth;
++static Colormap cmap;
++
+ /* configuration, allows nested code to access above variables */
+ #include "config.h"
+
+@@ -1786,7 +1796,8 @@ setup(void)
+ sw = DisplayWidth(dpy, screen);
+ sh = DisplayHeight(dpy, screen);
+ root = RootWindow(dpy, screen);
+- drw = drw_create(dpy, screen, root, sw, sh);
++ xinitvisual();
++ drw = drw_create(dpy, screen, root, sw, sh, visual, depth, cmap);
+ if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
+ die("no fonts could be loaded.");
+ lrpad = drw->fonts->h;
+@@ -1821,7 +1832,7 @@ setup(void)
+ /* init appearance */
+ scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
+ for (i = 0; i < LENGTH(colors); i++)
+- scheme[i] = drw_scm_create(drw, colors[i], 3);
++ scheme[i] = drw_scm_create(drw, colors[i], alphas[i], 3);
+ /* init system tray */
+ updatesystray();
+ /* init bars */
+@@ -2098,7 +2109,9 @@ updatebars(void)
+ Monitor *m;
+ XSetWindowAttributes wa = {
+ .override_redirect = True,
+- .background_pixmap = ParentRelative,
++ .background_pixel = 0,
++ .border_pixel = 0,
++ .colormap = cmap,
+ .event_mask = ButtonPressMask|ExposureMask
+ };
+ XClassHint ch = {"dwm", "dwm"};
+@@ -2108,9 +2121,9 @@ updatebars(void)
+ w = m->ww;
+ if (showsystray && m == systraytomon(m))
+ w -= getsystraywidth();
+- m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
+- CopyFromParent, DefaultVisual(dpy, screen),
+- CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
++ m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, depth,
++ InputOutput, visual,
++ CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
+ XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
+ if (showsystray && m == systraytomon(m))
+ XMapRaised(dpy, systray->win);
+@@ -2403,7 +2416,8 @@ updatesystray(void)
+ XMapSubwindows(dpy, systray->win);
+ /* redraw background */
+ XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
+- XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
++// XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
++ XFillRectangle(dpy, systray->win, XCreateGC(dpy, root, 0, NULL), 0, 0, w, bh);
+ XSync(dpy, False);
+ }
+
+@@ -2552,6 +2566,43 @@ systraytomon(Monitor *m) {
+ }
+
+ void
++xinitvisual()
++{
++ XVisualInfo *infos;
++ XRenderPictFormat *fmt;
++ int nitems;
++ int i;
++
++ XVisualInfo tpl = {
++ .screen = screen,
++ .depth = 32,
++ .class = TrueColor
++ };
++ long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
++
++ infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
++ visual = NULL;
++ for(i = 0; i < nitems; i ++) {
++ fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
++ if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
++ visual = infos[i].visual;
++ depth = infos[i].depth;
++ cmap = XCreateColormap(dpy, root, visual, AllocNone);
++ useargb = 1;
++ break;
++ }
++ }
++
++ XFree(infos);
++
++ if (! visual) {
++ visual = DefaultVisual(dpy, screen);
++ depth = DefaultDepth(dpy, screen);
++ cmap = DefaultColormap(dpy, screen);
++ }
++}
++
++void
+ zoom(const Arg *arg)
+ {
+ Client *c = selmon->sel;
+diff -up a/dwm.c.orig b/dwm.c.orig
+--- a/dwm.c.orig 2019-03-13 09:31:38.303322786 +0100
++++ b/dwm.c.orig 2019-03-12 18:34:52.780703276 +0100
+@@ -83,8 +83,8 @@ enum { NetSupported, NetWMName, NetWMSta
+ NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
+ enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
+ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
+-enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+- ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
++enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkClientWin,
++ ClkRootWin, ClkLast }; /* clicks */
+
+ typedef union {
+ int i;
+@@ -246,6 +246,7 @@ static void tagmon(const Arg *arg);
+ static void tile(Monitor *);
+ static void togglebar(const Arg *arg);
+ static void togglefloating(const Arg *arg);
++static void togglescratch(const Arg *arg);
+ static void toggletag(const Arg *arg);
+ static void toggleview(const Arg *arg);
+ static void unfocus(Client *c, int setfocus);
+@@ -312,6 +313,8 @@ static Window root, wmcheckwin;
+ /* configuration, allows nested code to access above variables */
+ #include "config.h"
+
++static unsigned int scratchtag = 1 << LENGTH(tags);
++
+ /* compile-time check if all tags fit into an unsigned int bit array. */
+ struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
+
+@@ -496,10 +499,8 @@ buttonpress(XEvent *e)
+ arg.ui = 1 << i;
+ } else if (ev->x < x + blw)
+ click = ClkLtSymbol;
+- else if (ev->x > selmon->ww - TEXTW(stext))
+- click = ClkStatusText;
+ else
+- click = ClkWinTitle;
++ click = ClkStatusText;
+ } else if ((c = wintoclient(ev->window))) {
+ focus(c);
+ restack(selmon);
+@@ -872,15 +873,8 @@ drawbar(Monitor *m)
+ x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
+
+ if ((w = m->ww - sw - stw - x) > bh) {
+- if (m->sel) {
+- drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
+- drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
+- if (m->sel->isfloating)
+- drw_rect(drw, x + boxs, boxs, boxw, boxw, m->sel->isfixed, 0);
+- } else {
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ drw_rect(drw, x, 0, w, bh, 1, 1);
+- }
+ }
+ drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
+ }
+@@ -1212,6 +1206,13 @@ manage(Window w, XWindowAttributes *wa)
+ && (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
+ c->bw = borderpx;
+
++ if (!strcmp(c->name, scratchpadname)) {
++ c->mon->tagset[c->mon->seltags] |= c->tags = scratchtag;
++ c->isfloating = True;
++ c->x = c->mon->wx + (c->mon->ww / 2 - WIDTH(c) / 2);
++ c->y = c->mon->wy + (c->mon->wh / 2 - HEIGHT(c) / 2);
++ }
++
+ wc.border_width = c->bw;
+ XConfigureWindow(dpy, w, CWBorderWidth, &wc);
+ XSetWindowBorder(dpy, w, scheme[SchemeNorm][ColBorder].pixel);
+@@ -1424,11 +1425,8 @@ propertynotify(XEvent *e)
+ drawbars();
+ break;
+ }
+- if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
++ if (ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName])
+ updatetitle(c);
+- if (c == c->mon->sel)
+- drawbar(c->mon);
+- }
+ if (ev->atom == netatom[NetWMWindowType])
+ updatewindowtype(c);
+ }
+@@ -1987,6 +1985,28 @@ togglefloating(const Arg *arg)
+ }
+
+ void
++togglescratch(const Arg *arg)
++{
++ Client *c;
++ unsigned int found = 0;
++
++ for (c = selmon->clients; c && !(found = c->tags & scratchtag); c = c->next);
++ if (found) {
++ unsigned int newtagset = selmon->tagset[selmon->seltags] ^ scratchtag;
++ if (newtagset) {
++ selmon->tagset[selmon->seltags] = newtagset;
++ focus(NULL);
++ arrange(selmon);
++ }
++ if (ISVISIBLE(c)) {
++ focus(c);
++ restack(selmon);
++ }
++ } else
++ spawn(arg);
++}
++
++void
+ toggletag(const Arg *arg)
+ {
+ unsigned int newtags;
diff --git a/tmp/6.1/systray.diff b/tmp/6.1/systray.diff
new file mode 100644
index 0000000..7ef94a1
--- /dev/null
+++ b/tmp/6.1/systray.diff
@@ -0,0 +1,681 @@
+diff -up a/config.def.h b/config.def.h
+--- ./config.def.h 2019-02-17 18:32:30.909694411 +0100
++++ ../../tmp/6.1/alpha-systray/dwm-6.1/config.def.h 2019-02-17 18:31:39.294322241 +0100
+@@ -15,6 +15,10 @@ static unsigned int baralpha = 0x
+ static unsigned int borderalpha = OPAQUE;
+ static const unsigned int borderpx = 1; /* border pixel of windows */
+ static const unsigned int snap = 32; /* snap pixel */
++static const unsigned int systraypinning = 0; /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
++static const unsigned int systrayspacing = 2; /* systray spacing */
++static const int systraypinningfailfirst = 1; /* 1: if pinning fails, display systray on the first monitor, 0: display systray on the last monitor*/
++static const int showsystray = 1; /* 0 means no systray */
+ static const int showbar = 1; /* 0 means no bar */
+ static const int topbar = 1; /* 0 means bottom bar */
+
+diff -up a/dwm.c b/dwm-6.1/dwm.c
+--- ./dwm.c 2019-02-17 18:32:30.909694411 +0100
++++ ../../tmp/6.1/alpha-systray/dwm-6.1/dwm.c 2019-02-17 18:31:39.294322241 +0100
+@@ -59,12 +59,30 @@
+
+ #define OPAQUE 0xffU
+
++#define SYSTEM_TRAY_REQUEST_DOCK 0
++#define _NET_SYSTEM_TRAY_ORIENTATION_HORZ 0
++
++/* XEMBED messages */
++#define XEMBED_EMBEDDED_NOTIFY 0
++#define XEMBED_WINDOW_ACTIVATE 1
++#define XEMBED_FOCUS_IN 4
++#define XEMBED_MODALITY_ON 10
++
++#define XEMBED_MAPPED (1 << 0)
++#define XEMBED_WINDOW_ACTIVATE 1
++#define XEMBED_WINDOW_DEACTIVATE 2
++
++#define VERSION_MAJOR 0
++#define VERSION_MINOR 0
++#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
++
+ /* enums */
+ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */
+-enum { NetSupported, NetWMName, NetWMState,
+- NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+- NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++enum { NetSupported, NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation,
++ NetWMName, NetWMState, NetWMFullscreen, NetActiveWindow, NetWMWindowType,
++ NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
+ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
+ enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+ ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
+@@ -143,6 +161,12 @@ typedef struct {
+ int monitor;
+ } Rule;
+
++typedef struct Systray Systray;
++struct Systray {
++ Window win;
++ Client *icons;
++};
++
+ /* function declarations */
+ static void applyrules(Client *c);
+ static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
+@@ -172,8 +196,10 @@ static void focus(Client *c);
+ static void focusin(XEvent *e);
+ static void focusmon(const Arg *arg);
+ static void focusstack(const Arg *arg);
++static Atom getatomprop(Client *c, Atom prop);
+ static int getrootptr(int *x, int *y);
+ static long getstate(Window w);
++static unsigned int getsystraywidth();
+ static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
+ static void grabbuttons(Client *c, int focused);
+ static void grabkeys(void);
+@@ -191,13 +217,16 @@ static void pop(Client *);
+ static void propertynotify(XEvent *e);
+ static void quit(const Arg *arg);
+ static Monitor *recttomon(int x, int y, int w, int h);
++static void removesystrayicon(Client *i);
+ static void resize(Client *c, int x, int y, int w, int h, int interact);
++static void resizebarwin(Monitor *m);
+ static void resizeclient(Client *c, int x, int y, int w, int h);
+ static void resizemouse(const Arg *arg);
++static void resizerequest(XEvent *e);
+ static void restack(Monitor *m);
+ static void run(void);
+ static void scan(void);
+-static int sendevent(Client *c, Atom proto);
++static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
+ static void sendmon(Client *c, Monitor *m);
+ static void setclientstate(Client *c, long state);
+ static void setfocus(Client *c);
+@@ -208,6 +237,7 @@ static void setup(void);
+ static void showhide(Client *c);
+ static void sigchld(int unused);
+ static void spawn(const Arg *arg);
++static Monitor *systraytomon(Monitor *m);
+ static void tag(const Arg *arg);
+ static void tagmon(const Arg *arg);
+ static void tile(Monitor *);
+@@ -225,12 +255,16 @@ static void updateclientlist(void);
+ static void updatenumlockmask(void);
+ static void updatesizehints(Client *c);
+ static void updatestatus(void);
++static void updatesystray(void);
++static void updatesystrayicongeom(Client *i, int w, int h);
++static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
+ static void updatewindowtype(Client *c);
+ static void updatetitle(Client *c);
+ static void updatewmhints(Client *c);
+ static void view(const Arg *arg);
+ static Client *wintoclient(Window w);
+ static Monitor *wintomon(Window w);
++static Client *wintosystrayicon(Window w);
+ static int xerror(Display *dpy, XErrorEvent *ee);
+ static int xerrordummy(Display *dpy, XErrorEvent *ee);
+ static int xerrorstart(Display *dpy, XErrorEvent *ee);
+@@ -238,6 +272,8 @@ static void xinitvisual();
+ static void zoom(const Arg *arg);
+
+ /* variables */
++static Systray *systray = NULL;
++static unsigned long systrayorientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
+ static const char broken[] = "broken";
+ static char stext[256];
+ static int screen;
+@@ -259,9 +295,10 @@ static void (*handler[LASTEvent]) (XEven
+ [MapRequest] = maprequest,
+ [MotionNotify] = motionnotify,
+ [PropertyNotify] = propertynotify,
++ [ResizeRequest] = resizerequest,
+ [UnmapNotify] = unmapnotify
+ };
+-static Atom wmatom[WMLast], netatom[NetLast];
++static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
+ static int running = 1;
+ static Cur *cursor[CurLast];
+ static ClrScheme scheme[SchemeLast];
+@@ -502,6 +539,11 @@ cleanup(void)
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ while (mons)
+ cleanupmon(mons);
++ if (showsystray) {
++ XUnmapWindow(dpy, systray->win);
++ XDestroyWindow(dpy, systray->win);
++ free(systray);
++ }
+ for (i = 0; i < CurLast; i++)
+ drw_cur_free(drw, cursor[i]);
+ for (i = 0; i < SchemeLast; i++) {
+@@ -547,9 +589,50 @@ clearurgent(Client *c)
+ void
+ clientmessage(XEvent *e)
+ {
++ XWindowAttributes wa;
++ XSetWindowAttributes swa;
+ XClientMessageEvent *cme = &e->xclient;
+ Client *c = wintoclient(cme->window);
+
++ if (showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) {
++ /* add systray icons */
++ if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
++ if (!(c = (Client *)calloc(1, sizeof(Client))))
++ die("fatal: could not malloc() %u bytes\n", sizeof(Client));
++ c->win = cme->data.l[2];
++ c->mon = selmon;
++ c->next = systray->icons;
++ systray->icons = c;
++ XGetWindowAttributes(dpy, c->win, &wa);
++ c->x = c->oldx = c->y = c->oldy = 0;
++ c->w = c->oldw = wa.width;
++ c->h = c->oldh = wa.height;
++ c->oldbw = wa.border_width;
++ c->bw = 0;
++ c->isfloating = True;
++ /* reuse tags field as mapped status */
++ c->tags = 1;
++ updatesizehints(c);
++ updatesystrayicongeom(c, wa.width, wa.height);
++ XAddToSaveSet(dpy, c->win);
++ XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
++ XReparentWindow(dpy, c->win, systray->win, 0, 0);
++ /* use parents background color */
++ swa.background_pixel = scheme[SchemeNorm].bg->pix;
++ XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ /* FIXME not sure if I have to send these events, too */
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ XSync(dpy, False);
++ resizebarwin(selmon);
++ updatesystray();
++ setclientstate(c, NormalState);
++ }
++ return;
++ }
++
+ if (!c)
+ return;
+ if (cme->message_type == netatom[NetWMState]) {
+@@ -599,8 +682,7 @@ configurenotify(XEvent *e)
+ if (updategeom() || dirty) {
+ drw_resize(drw, sw, bh);
+ updatebars();
+- for (m = mons; m; m = m->next)
+- XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
++ resizebarwin(m);
+ focus(NULL);
+ arrange(NULL);
+ }
+@@ -684,6 +766,11 @@ destroynotify(XEvent *e)
+
+ if ((c = wintoclient(ev->window)))
+ unmanage(c, 1);
++ else if ((c = wintosystrayicon(ev->window))) {
++ removesystrayicon(c);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ }
+
+ void
+@@ -755,6 +842,9 @@ drawbar(Monitor *m)
+ if (m == selmon) { /* status is only drawn on selected monitor */
+ w = TEXTW(stext);
+ x = m->ww - w;
++ if (showsystray && m == systraytomon(m)) {
++ x -= getsystraywidth();
++ }
+ if (x < xx) {
+ x = xx;
+ w = m->ww - xx;
+@@ -783,6 +873,7 @@ drawbars(void)
+
+ for (m = mons; m; m = m->next)
+ drawbar(m);
++ updatesystray();
+ }
+
+ void
+@@ -810,8 +901,11 @@ expose(XEvent *e)
+ Monitor *m;
+ XExposeEvent *ev = &e->xexpose;
+
+- if (ev->count == 0 && (m = wintomon(ev->window)))
+- drawbar(m);
++ if (ev->count == 0 && (m = wintomon(ev->window))) {
++ drawbar(m);
++ if (m == selmon)
++ updatesystray();
++ }
+ }
+
+ void
+@@ -898,15 +992,31 @@ getatomprop(Client *c, Atom prop)
+ unsigned long dl;
+ unsigned char *p = NULL;
+ Atom da, atom = None;
++ /* FIXME getatomprop should return the number of items and a pointer to
++ * the stored data instead of this workaround */
++ Atom req = XA_ATOM;
++ if (prop == xatom[XembedInfo])
++ req = xatom[XembedInfo];
+
+- if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
++ if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, req,
+ &da, &di, &dl, &dl, &p) == Success && p) {
+ atom = *(Atom *)p;
++ if (da == xatom[XembedInfo] && dl == 2)
++ atom = ((Atom *)p)[1];
+ XFree(p);
+ }
+ return atom;
+ }
+
++unsigned int
++getsystraywidth() {
++ unsigned int w = 0;
++ Client *i;
++ if (showsystray)
++ for (i = systray->icons; i; w += i->w + systrayspacing, i = i->next);
++ return w ? w + systrayspacing : 1;
++}
++
+ int
+ getrootptr(int *x, int *y)
+ {
+@@ -1041,7 +1151,7 @@ killclient(const Arg *arg)
+ {
+ if (!selmon->sel)
+ return;
+- if (!sendevent(selmon->sel, wmatom[WMDelete])) {
++ if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) {
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ XSetCloseDownMode(dpy, DestroyAll);
+@@ -1128,7 +1238,12 @@ maprequest(XEvent *e)
+ {
+ static XWindowAttributes wa;
+ XMapRequestEvent *ev = &e->xmaprequest;
+-
++ Client *i;
++ if ((i = wintosystrayicon(ev->window))) {
++ sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ if (!XGetWindowAttributes(dpy, ev->window, &wa))
+ return;
+ if (wa.override_redirect)
+@@ -1264,6 +1379,16 @@ propertynotify(XEvent *e)
+ Window trans;
+ XPropertyEvent *ev = &e->xproperty;
+
++ if ((c = wintosystrayicon(ev->window))) {
++ if (ev->atom == XA_WM_NORMAL_HINTS) {
++ updatesizehints(c);
++ updatesystrayicongeom(c, c->w, c->h);
++ }
++ else
++ updatesystrayiconstate(c, ev);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ if ((ev->window == root) && (ev->atom == XA_WM_NAME))
+ updatestatus();
+ else if (ev->state == PropertyDelete)
+@@ -1294,6 +1419,18 @@ propertynotify(XEvent *e)
+ }
+ }
+
++ void
++removesystrayicon(Client *i) {
++ Client **ii;
++
++ if (!showsystray || !i)
++ return;
++ for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next);
++ if (ii)
++ *ii = i->next;
++ free(i);
++}
++
+ void
+ quit(const Arg *arg)
+ {
+@@ -1322,6 +1459,14 @@ resize(Client *c, int x, int y, int w, i
+ }
+
+ void
++resizebarwin(Monitor *m) {
++ unsigned int w = m->ww;
++ if (showsystray && m == systraytomon(m))
++ w -= getsystraywidth();
++ XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
++}
++
++void
+ resizeclient(Client *c, int x, int y, int w, int h)
+ {
+ XWindowChanges wc;
+@@ -1337,6 +1482,18 @@ resizeclient(Client *c, int x, int y, in
+ }
+
+ void
++resizerequest(XEvent *e) {
++ XResizeRequestEvent *ev = &e->xresizerequest;
++ Client *i;
++
++ if ((i = wintosystrayicon(ev->window))) {
++ updatesystrayicongeom(i, ev->width, ev->height);
++ resizebarwin(selmon);
++ updatesystray();
++ }
++}
++
++void
+ resizemouse(const Arg *arg)
+ {
+ int ocx, ocy, nw, nh;
+@@ -1482,26 +1639,36 @@ setclientstate(Client *c, long state)
+ }
+
+ int
+-sendevent(Client *c, Atom proto)
++sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4)
+ {
+ int n;
+- Atom *protocols;
++ Atom *protocols, mt;
+ int exists = 0;
+ XEvent ev;
+
+- if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+- while (!exists && n--)
+- exists = protocols[n] == proto;
+- XFree(protocols);
++ if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
++ mt = wmatom[WMProtocols];
++ if (XGetWMProtocols(dpy, w, &protocols, &n)) {
++ while(!exists && n--)
++ exists = protocols[n] == proto;
++ XFree(protocols);
++ }
++ }
++ else {
++ exists = True;
++ mt = proto;
+ }
+ if (exists) {
+ ev.type = ClientMessage;
+- ev.xclient.window = c->win;
+- ev.xclient.message_type = wmatom[WMProtocols];
++ ev.xclient.window = w;
++ ev.xclient.message_type = mt;
+ ev.xclient.format = 32;
+- ev.xclient.data.l[0] = proto;
+- ev.xclient.data.l[1] = CurrentTime;
+- XSendEvent(dpy, c->win, False, NoEventMask, &ev);
++ ev.xclient.data.l[0] = d0;
++ ev.xclient.data.l[1] = d1;
++ ev.xclient.data.l[2] = d2;
++ ev.xclient.data.l[3] = d3;
++ ev.xclient.data.l[4] = d4;
++ XSendEvent(dpy, w, False, mask, &ev);
+ }
+ return exists;
+ }
+@@ -1515,7 +1682,7 @@ setfocus(Client *c)
+ XA_WINDOW, 32, PropModeReplace,
+ (unsigned char *) &(c->win), 1);
+ }
+- sendevent(c, wmatom[WMTakeFocus]);
++ sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0);
+ }
+
+ void
+@@ -1602,12 +1769,18 @@ setup(void)
+ wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
+ netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
+ netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
++ netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
++ netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
++ netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
+ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
+ netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
+ netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
+ netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+ netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
++ xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
++ xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
++ xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
+ /* init cursors */
+ cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+ cursor[CurResize] = drw_cur_create(drw, XC_sizing);
+@@ -1619,6 +1792,8 @@ setup(void)
+ scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor, borderalpha);
+ scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor, baralpha);
+ scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor, OPAQUE);
++ /* init system tray */
++ updatesystray();
+ /* init bars */
+ updatebars();
+ updatestatus();
+@@ -1678,6 +1853,22 @@ spawn(const Arg *arg)
+ }
+ }
+
++Monitor *
++systraytomon(Monitor *m) {
++ Monitor *t;
++ int i, n;
++ if (!systraypinning) {
++ if (!m)
++ return selmon;
++ return m == selmon ? m : NULL;
++ }
++ for (n = 1, t = mons; t && t->next; n++, t = t->next);
++ for (i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next);
++ if (systraypinningfailfirst && n < systraypinning)
++ return mons;
++ return t;
++}
++
+ void
+ tag(const Arg *arg)
+ {
+@@ -1727,7 +1918,18 @@ togglebar(const Arg *arg)
+ {
+ selmon->showbar = !selmon->showbar;
+ updatebarpos(selmon);
+- XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
++ resizebarwin(selmon);
++ if (showsystray) {
++ XWindowChanges wc;
++ if (!selmon->showbar)
++ wc.y = -bh;
++ else if (selmon->showbar) {
++ wc.y = 0;
++ if (!selmon->topbar)
++ wc.y = selmon->mh - bh;
++ }
++ XConfigureWindow(dpy, systray->win, CWY, &wc);
++ }
+ arrange(selmon);
+ }
+
+@@ -1828,11 +2030,17 @@ unmapnotify(XEvent *e)
+ else
+ unmanage(c, 0);
+ }
++ else if ((c = wintosystrayicon(ev->window))) {
++ removesystrayicon(c);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ }
+
+ void
+ updatebars(void)
+ {
++ unsigned int w;
+ Monitor *m;
+ XSetWindowAttributes wa = {
+ .override_redirect = True,
+@@ -1844,10 +2052,15 @@ updatebars(void)
+ for (m = mons; m; m = m->next) {
+ if (m->barwin)
+ continue;
+- m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, depth,
++ w = m->ww;
++ if (showsystray && m == systraytomon(m))
++ w -= getsystraywidth();
++ m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
+ InputOutput, visual,
+ CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
+ XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
++ if (showsystray && m == systraytomon(m))
++ XMapRaised(dpy, systray->win);
+ XMapRaised(dpy, m->barwin);
+ }
+ }
+@@ -2037,6 +2250,118 @@ updatestatus(void)
+ drawbar(selmon);
+ }
+
++
++void
++updatesystrayicongeom(Client *i, int w, int h) {
++ if (i) {
++ i->h = bh;
++ if (w == h)
++ i->w = bh;
++ else if (h == bh)
++ i->w = w;
++ else
++ i->w = (int) ((float)bh * ((float)w / (float)h));
++ applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
++ /* force icons into the systray dimenons if they don't want to */
++ if (i->h > bh) {
++ if (i->w == i->h)
++ i->w = bh;
++ else
++ i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
++ i->h = bh;
++ }
++ }
++}
++
++void
++updatesystrayiconstate(Client *i, XPropertyEvent *ev) {
++ long flags;
++ int code = 0;
++
++ if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
++ !(flags = getatomprop(i, xatom[XembedInfo])))
++ return;
++
++ if (flags & XEMBED_MAPPED && !i->tags) {
++ i->tags = 1;
++ code = XEMBED_WINDOW_ACTIVATE;
++ XMapRaised(dpy, i->win);
++ setclientstate(i, NormalState);
++ }
++ else if (!(flags & XEMBED_MAPPED) && i->tags) {
++ i->tags = 0;
++ code = XEMBED_WINDOW_DEACTIVATE;
++ XUnmapWindow(dpy, i->win);
++ setclientstate(i, WithdrawnState);
++ }
++ else
++ return;
++ sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
++ systray->win, XEMBED_EMBEDDED_VERSION);
++}
++
++void
++updatesystray(void) {
++ XSetWindowAttributes wa;
++ XWindowChanges wc;
++ Client *i;
++ Monitor *m = systraytomon(NULL);
++ unsigned int x = m->mx + m->mw;
++ unsigned int w = 1;
++
++ if (!showsystray)
++ return;
++ if (!systray) {
++ /* init systray */
++ if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
++ die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
++ systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0, scheme[SchemeSel].bg->pix);
++ wa.event_mask = ButtonPressMask | ExposureMask;
++ wa.override_redirect = True;
++ wa.background_pixel = scheme[SchemeNorm].bg->pix;
++ XSelectInput(dpy, systray->win, SubstructureNotifyMask);
++ XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
++ PropModeReplace, (unsigned char *)&systrayorientation, 1);
++ XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa);
++ XMapRaised(dpy, systray->win);
++ XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
++ if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
++ sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
++ XSync(dpy, False);
++ }
++ else {
++ fprintf(stderr, "dwm: unable to obtain system tray.\n");
++ free(systray);
++ systray = NULL;
++ return;
++ }
++ }
++ for (w = 0, i = systray->icons; i; i = i->next) {
++ /* make sure the background color stays the same */
++ wa.background_pixel = scheme[SchemeNorm].bg->pix;
++ XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
++ XMapRaised(dpy, i->win);
++ w += systrayspacing;
++ i->x = w;
++ XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
++ w += i->w;
++ if (i->mon != m)
++ i->mon = m;
++ }
++ w = w ? w + systrayspacing : 1;
++ x -= w;
++ XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
++ wc.x = x; wc.y = m->by; wc.width = w; wc.height = bh;
++ wc.stack_mode = Above; wc.sibling = m->barwin;
++ XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
++ XMapWindow(dpy, systray->win);
++ XMapSubwindows(dpy, systray->win);
++ /* redraw background */
++ XSetForeground(dpy, drw->gc, scheme[SchemeNorm].bg->pix);
++ XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
++ XSync(dpy, False);
++}
++
+ void
+ updatewindowtype(Client *c)
+ {
+@@ -2049,6 +2374,16 @@ updatewindowtype(Client *c)
+ c->isfloating = 1;
+ }
+
++Client *
++wintosystrayicon(Window w) {
++ Client *i = NULL;
++
++ if (!showsystray || !w)
++ return i;
++ for (i = systray->icons; i && i->win != w; i = i->next);
++ return i;
++}
++
+ void
+ updatewmhints(Client *c)
+ {
diff --git a/tmp/6.2/systray.diff b/tmp/6.2/systray.diff
new file mode 100644
index 0000000..df6f3d6
--- /dev/null
+++ b/tmp/6.2/systray.diff
@@ -0,0 +1,715 @@
+diff -up a/config.def.h b/config.def.h
+--- a/config.def.h 2019-02-14 17:19:07.650096523 +0100
++++ b/config.def.h 2019-02-15 14:23:33.763240723 +0100
+@@ -3,6 +3,10 @@
+ /* appearance */
+ static const unsigned int borderpx = 1; /* border pixel of windows */
+ static const unsigned int snap = 32; /* snap pixel */
++static const unsigned int systraypinning = 0; /* 0: sloppy systray follows selected monitor, >0: pin systray to monitor X */
++static const unsigned int systrayspacing = 2; /* systray spacing */
++static const int systraypinningfailfirst = 1; /* 1: if pinning fails, display systray on the first monitor, False: display systray on the last monitor*/
++static const int showsystray = 1; /* 0 means no systray */
+ static const int showbar = 1; /* 0 means no bar */
+ static const int topbar = 1; /* 0 means bottom bar */
+ static const char *fonts[] = { "monospace:size=10" };
+diff -up a/dwm.c b/dwm.c
+--- a/dwm.c 2019-02-14 17:19:07.653429773 +0100
++++ b/dwm.c 2019-02-15 14:23:33.763240723 +0100
+@@ -59,12 +59,30 @@
+
+ #define OPAQUE 0xffU
+
++#define SYSTEM_TRAY_REQUEST_DOCK 0
++
++/* XEMBED messages */
++#define XEMBED_EMBEDDED_NOTIFY 0
++#define XEMBED_WINDOW_ACTIVATE 1
++#define XEMBED_FOCUS_IN 4
++#define XEMBED_MODALITY_ON 10
++
++#define XEMBED_MAPPED (1 << 0)
++#define XEMBED_WINDOW_ACTIVATE 1
++#define XEMBED_WINDOW_DEACTIVATE 2
++
++#define VERSION_MAJOR 0
++#define VERSION_MINOR 0
++#define XEMBED_EMBEDDED_VERSION (VERSION_MAJOR << 16) | VERSION_MINOR
++
+ /* enums */
+ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
+ enum { SchemeNorm, SchemeSel }; /* color schemes */
+ enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
++ NetSystemTray, NetSystemTrayOP, NetSystemTrayOrientation, NetSystemTrayOrientationHorz,
+ NetWMFullscreen, NetActiveWindow, NetWMWindowType,
+ NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
++enum { Manager, Xembed, XembedInfo, XLast }; /* Xembed atoms */
+ enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
+ enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
+ ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
+@@ -143,6 +161,12 @@ typedef struct {
+ int monitor;
+ } Rule;
+
++typedef struct Systray Systray;
++struct Systray {
++ Window win;
++ Client *icons;
++};
++
+ /* function declarations */
+ static void applyrules(Client *c);
+ static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
+@@ -171,8 +195,10 @@ static void focus(Client *c);
+ static void focusin(XEvent *e);
+ static void focusmon(const Arg *arg);
+ static void focusstack(const Arg *arg);
++static Atom getatomprop(Client *c, Atom prop);
+ static int getrootptr(int *x, int *y);
+ static long getstate(Window w);
++static unsigned int getsystraywidth();
+ static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
+ static void grabbuttons(Client *c, int focused);
+ static void grabkeys(void);
+@@ -190,13 +216,16 @@ static void pop(Client *);
+ static void propertynotify(XEvent *e);
+ static void quit(const Arg *arg);
+ static Monitor *recttomon(int x, int y, int w, int h);
++static void removesystrayicon(Client *i);
+ static void resize(Client *c, int x, int y, int w, int h, int interact);
++static void resizebarwin(Monitor *m);
+ static void resizeclient(Client *c, int x, int y, int w, int h);
+ static void resizemouse(const Arg *arg);
++static void resizerequest(XEvent *e);
+ static void restack(Monitor *m);
+ static void run(void);
+ static void scan(void);
+-static int sendevent(Client *c, Atom proto);
++static int sendevent(Window w, Atom proto, int m, long d0, long d1, long d2, long d3, long d4);
+ static void sendmon(Client *c, Monitor *m);
+ static void setclientstate(Client *c, long state);
+ static void setfocus(Client *c);
+@@ -208,6 +237,7 @@ static void seturgent(Client *c, int urg
+ static void showhide(Client *c);
+ static void sigchld(int unused);
+ static void spawn(const Arg *arg);
++static Monitor *systraytomon(Monitor *m);
+ static void tag(const Arg *arg);
+ static void tagmon(const Arg *arg);
+ static void tile(Monitor *);
+@@ -225,12 +255,16 @@ static int updategeom(void);
+ static void updatenumlockmask(void);
+ static void updatesizehints(Client *c);
+ static void updatestatus(void);
++static void updatesystray(void);
++static void updatesystrayicongeom(Client *i, int w, int h);
++static void updatesystrayiconstate(Client *i, XPropertyEvent *ev);
+ static void updatetitle(Client *c);
+ static void updatewindowtype(Client *c);
+ static void updatewmhints(Client *c);
+ static void view(const Arg *arg);
+ static Client *wintoclient(Window w);
+ static Monitor *wintomon(Window w);
++static Client *wintosystrayicon(Window w);
+ static int xerror(Display *dpy, XErrorEvent *ee);
+ static int xerrordummy(Display *dpy, XErrorEvent *ee);
+ static int xerrorstart(Display *dpy, XErrorEvent *ee);
+@@ -238,6 +272,7 @@ static void xinitvisual();
+ static void zoom(const Arg *arg);
+
+ /* variables */
++static Systray *systray = NULL;
+ static const char broken[] = "broken";
+ static char stext[256];
+ static int screen;
+@@ -260,9 +295,10 @@ static void (*handler[LASTEvent]) (XEven
+ [MapRequest] = maprequest,
+ [MotionNotify] = motionnotify,
+ [PropertyNotify] = propertynotify,
++ [ResizeRequest] = resizerequest,
+ [UnmapNotify] = unmapnotify
+ };
+-static Atom wmatom[WMLast], netatom[NetLast];
++static Atom wmatom[WMLast], netatom[NetLast], xatom[XLast];
+ static int running = 1;
+ static Cur *cursor[CurLast];
+ static Clr **scheme;
+@@ -490,6 +526,11 @@ cleanup(void)
+ XUngrabKey(dpy, AnyKey, AnyModifier, root);
+ while (mons)
+ cleanupmon(mons);
++ if (showsystray) {
++ XUnmapWindow(dpy, systray->win);
++ XDestroyWindow(dpy, systray->win);
++ free(systray);
++ }
+ for (i = 0; i < CurLast; i++)
+ drw_cur_free(drw, cursor[i]);
+ for (i = 0; i < LENGTH(colors); i++)
+@@ -520,9 +561,53 @@ cleanupmon(Monitor *mon)
+ void
+ clientmessage(XEvent *e)
+ {
++ XWindowAttributes wa;
++ XSetWindowAttributes swa;
+ XClientMessageEvent *cme = &e->xclient;
+ Client *c = wintoclient(cme->window);
+
++ if (showsystray && cme->window == systray->win && cme->message_type == netatom[NetSystemTrayOP]) {
++ /* add systray icons */
++ if (cme->data.l[1] == SYSTEM_TRAY_REQUEST_DOCK) {
++ if (!(c = (Client *)calloc(1, sizeof(Client))))
++ die("fatal: could not malloc() %u bytes\n", sizeof(Client));
++ if (!(c->win = cme->data.l[2])) {
++ free(c);
++ return;
++ }
++ c->mon = selmon;
++ c->next = systray->icons;
++ systray->icons = c;
++ XGetWindowAttributes(dpy, c->win, &wa);
++ c->x = c->oldx = c->y = c->oldy = 0;
++ c->w = c->oldw = wa.width;
++ c->h = c->oldh = wa.height;
++ c->oldbw = wa.border_width;
++ c->bw = 0;
++ c->isfloating = True;
++ /* reuse tags field as mapped status */
++ c->tags = 1;
++ updatesizehints(c);
++ updatesystrayicongeom(c, wa.width, wa.height);
++ XAddToSaveSet(dpy, c->win);
++ XSelectInput(dpy, c->win, StructureNotifyMask | PropertyChangeMask | ResizeRedirectMask);
++ XReparentWindow(dpy, c->win, systray->win, 0, 0);
++ /* use parents background color */
++ swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
++ XChangeWindowAttributes(dpy, c->win, CWBackPixel, &swa);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_EMBEDDED_NOTIFY, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ /* FIXME not sure if I have to send these events, too */
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_FOCUS_IN, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ sendevent(c->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_MODALITY_ON, 0 , systray->win, XEMBED_EMBEDDED_VERSION);
++ XSync(dpy, False);
++ resizebarwin(selmon);
++ updatesystray();
++ setclientstate(c, NormalState);
++ }
++ return;
++ }
++
+ if (!c)
+ return;
+ if (cme->message_type == netatom[NetWMState]) {
+@@ -575,7 +660,7 @@ configurenotify(XEvent *e)
+ for (c = m->clients; c; c = c->next)
+ if (c->isfullscreen)
+ resizeclient(c, m->mx, m->my, m->mw, m->mh);
+- XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
++ resizebarwin(m);
+ }
+ focus(NULL);
+ arrange(NULL);
+@@ -660,6 +745,11 @@ destroynotify(XEvent *e)
+
+ if ((c = wintoclient(ev->window)))
+ unmanage(c, 1);
++ else if ((c = wintosystrayicon(ev->window))) {
++ removesystrayicon(c);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ }
+
+ void
+@@ -703,19 +793,23 @@ dirtomon(int dir)
+ void
+ drawbar(Monitor *m)
+ {
+- int x, w, sw = 0;
++ int x, w, sw = 0, stw = 0;
+ int boxs = drw->fonts->h / 9;
+ int boxw = drw->fonts->h / 6 + 2;
+ unsigned int i, occ = 0, urg = 0;
+ Client *c;
+
+- /* draw status first so it can be overdrawn by tags later */
++ if(showsystray && m == systraytomon(m))
++ stw = getsystraywidth();
++
++ /* draw status first so it can be overdrawn by tags later */
+ if (m == selmon) { /* status is only drawn on selected monitor */
+ drw_setscheme(drw, scheme[SchemeNorm]);
+- sw = TEXTW(stext) - lrpad + 2; /* 2px right padding */
+- drw_text(drw, m->ww - sw, 0, sw, bh, 0, stext, 0);
++ sw = TEXTW(stext) - lrpad / 2 + 2; /* 2px right padding */
++ drw_text(drw, m->ww - sw - stw, 0, sw, bh, lrpad / 2 - 2, stext, 0);
+ }
+
++ resizebarwin(m);
+ for (c = m->clients; c; c = c->next) {
+ occ |= c->tags;
+ if (c->isurgent)
+@@ -736,7 +830,7 @@ drawbar(Monitor *m)
+ drw_setscheme(drw, scheme[SchemeNorm]);
+ x = drw_text(drw, x, 0, w, bh, lrpad / 2, m->ltsymbol, 0);
+
+- if ((w = m->ww - sw - x) > bh) {
++ if ((w = m->ww - sw - stw - x) > bh) {
+ if (m->sel) {
+ drw_setscheme(drw, scheme[m == selmon ? SchemeSel : SchemeNorm]);
+ drw_text(drw, x, 0, w, bh, lrpad / 2, m->sel->name, 0);
+@@ -747,7 +841,7 @@ drawbar(Monitor *m)
+ drw_rect(drw, x, 0, w, bh, 1, 1);
+ }
+ }
+- drw_map(drw, m->barwin, 0, 0, m->ww, bh);
++ drw_map(drw, m->barwin, 0, 0, m->ww - stw, bh);
+ }
+
+ void
+@@ -784,8 +878,11 @@ expose(XEvent *e)
+ Monitor *m;
+ XExposeEvent *ev = &e->xexpose;
+
+- if (ev->count == 0 && (m = wintomon(ev->window)))
++ if (ev->count == 0 && (m = wintomon(ev->window))) {
+ drawbar(m);
++ if (m == selmon)
++ updatesystray();
++ }
+ }
+
+ void
+@@ -870,10 +967,17 @@ getatomprop(Client *c, Atom prop)
+ unsigned long dl;
+ unsigned char *p = NULL;
+ Atom da, atom = None;
++ /* FIXME getatomprop should return the number of items and a pointer to
++ * the stored data instead of this workaround */
++ Atom req = XA_ATOM;
++ if (prop == xatom[XembedInfo])
++ req = xatom[XembedInfo];
+
+ if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
+ &da, &di, &dl, &dl, &p) == Success && p) {
+ atom = *(Atom *)p;
++ if (da == xatom[XembedInfo] && dl == 2)
++ atom = ((Atom *)p)[1];
+ XFree(p);
+ }
+ return atom;
+@@ -907,6 +1011,16 @@ getstate(Window w)
+ return result;
+ }
+
++unsigned int
++getsystraywidth()
++{
++ unsigned int w = 0;
++ Client *i;
++ if(showsystray)
++ for(i = systray->icons; i; w += i->w + systrayspacing, i = i->next) ;
++ return w ? w + systrayspacing : 1;
++}
++
+ int
+ gettextprop(Window w, Atom atom, char *text, unsigned int size)
+ {
+@@ -1011,7 +1125,7 @@ killclient(const Arg *arg)
+ {
+ if (!selmon->sel)
+ return;
+- if (!sendevent(selmon->sel, wmatom[WMDelete])) {
++ if (!sendevent(selmon->sel->win, wmatom[WMDelete], NoEventMask, wmatom[WMDelete], CurrentTime, 0 , 0, 0)) {
+ XGrabServer(dpy);
+ XSetErrorHandler(xerrordummy);
+ XSetCloseDownMode(dpy, DestroyAll);
+@@ -1099,6 +1213,12 @@ maprequest(XEvent *e)
+ {
+ static XWindowAttributes wa;
+ XMapRequestEvent *ev = &e->xmaprequest;
++ Client *i;
++ if ((i = wintosystrayicon(ev->window))) {
++ sendevent(i->win, netatom[Xembed], StructureNotifyMask, CurrentTime, XEMBED_WINDOW_ACTIVATE, 0, systray->win, XEMBED_EMBEDDED_VERSION);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+
+ if (!XGetWindowAttributes(dpy, ev->window, &wa))
+ return;
+@@ -1223,6 +1343,16 @@ propertynotify(XEvent *e)
+ Window trans;
+ XPropertyEvent *ev = &e->xproperty;
+
++ if ((c = wintosystrayicon(ev->window))) {
++ if (ev->atom == XA_WM_NORMAL_HINTS) {
++ updatesizehints(c);
++ updatesystrayicongeom(c, c->w, c->h);
++ }
++ else
++ updatesystrayiconstate(c, ev);
++ resizebarwin(selmon);
++ updatesystray();
++ }
+ if ((ev->window == root) && (ev->atom == XA_WM_NAME))
+ updatestatus();
+ else if (ev->state == PropertyDelete)
+@@ -1254,6 +1384,19 @@ propertynotify(XEvent *e)
+ }
+
+ void
++removesystrayicon(Client *i)
++{
++ Client **ii;
++
++ if (!showsystray || !i)
++ return;
++ for (ii = &systray->icons; *ii && *ii != i; ii = &(*ii)->next);
++ if (ii)
++ *ii = i->next;
++ free(i);
++}
++
++void
+ quit(const Arg *arg)
+ {
+ running = 0;
+@@ -1281,6 +1424,14 @@ resize(Client *c, int x, int y, int w, i
+ }
+
+ void
++resizebarwin(Monitor *m) {
++ unsigned int w = m->ww;
++ if (showsystray && m == systraytomon(m))
++ w -= getsystraywidth();
++ XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, w, bh);
++}
++
++void
+ resizeclient(Client *c, int x, int y, int w, int h)
+ {
+ XWindowChanges wc;
+@@ -1303,6 +1454,19 @@ resizeclient(Client *c, int x, int y, in
+ }
+
+ void
++resizerequest(XEvent *e)
++{
++ XResizeRequestEvent *ev = &e->xresizerequest;
++ Client *i;
++
++ if ((i = wintosystrayicon(ev->window))) {
++ updatesystrayicongeom(i, ev->width, ev->height);
++ resizebarwin(selmon);
++ updatesystray();
++ }
++}
++
++void
+ resizemouse(const Arg *arg)
+ {
+ int ocx, ocy, nw, nh;
+@@ -1448,26 +1612,36 @@ setclientstate(Client *c, long state)
+ }
+
+ int
+-sendevent(Client *c, Atom proto)
++sendevent(Window w, Atom proto, int mask, long d0, long d1, long d2, long d3, long d4)
+ {
+ int n;
+- Atom *protocols;
++ Atom *protocols, mt;
+ int exists = 0;
+ XEvent ev;
+
+- if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
+- while (!exists && n--)
+- exists = protocols[n] == proto;
+- XFree(protocols);
++ if (proto == wmatom[WMTakeFocus] || proto == wmatom[WMDelete]) {
++ mt = wmatom[WMProtocols];
++ if (XGetWMProtocols(dpy, w, &protocols, &n)) {
++ while (!exists && n--)
++ exists = protocols[n] == proto;
++ XFree(protocols);
++ }
++ }
++ else {
++ exists = True;
++ mt = proto;
+ }
+ if (exists) {
+ ev.type = ClientMessage;
+- ev.xclient.window = c->win;
+- ev.xclient.message_type = wmatom[WMProtocols];
++ ev.xclient.window = w;
++ ev.xclient.message_type = mt;
+ ev.xclient.format = 32;
+- ev.xclient.data.l[0] = proto;
+- ev.xclient.data.l[1] = CurrentTime;
+- XSendEvent(dpy, c->win, False, NoEventMask, &ev);
++ ev.xclient.data.l[0] = d0;
++ ev.xclient.data.l[1] = d1;
++ ev.xclient.data.l[2] = d2;
++ ev.xclient.data.l[3] = d3;
++ ev.xclient.data.l[4] = d4;
++ XSendEvent(dpy, w, False, mask, &ev);
+ }
+ return exists;
+ }
+@@ -1481,7 +1655,7 @@ setfocus(Client *c)
+ XA_WINDOW, 32, PropModeReplace,
+ (unsigned char *) &(c->win), 1);
+ }
+- sendevent(c, wmatom[WMTakeFocus]);
++ sendevent(c->win, wmatom[WMTakeFocus], NoEventMask, wmatom[WMTakeFocus], CurrentTime, 0, 0, 0);
+ }
+
+ void
+@@ -1571,6 +1745,10 @@ setup(void)
+ wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
+ netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
+ netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
++ netatom[NetSystemTray] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_S0", False);
++ netatom[NetSystemTrayOP] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_OPCODE", False);
++ netatom[NetSystemTrayOrientation] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION", False);
++ netatom[NetSystemTrayOrientationHorz] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_ORIENTATION_HORZ", False);
+ netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
+ netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
+ netatom[NetWMCheck] = XInternAtom(dpy, "_NET_SUPPORTING_WM_CHECK", False);
+@@ -1578,6 +1756,9 @@ setup(void)
+ netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
+ netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+ netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
++ xatom[Manager] = XInternAtom(dpy, "MANAGER", False);
++ xatom[Xembed] = XInternAtom(dpy, "_XEMBED", False);
++ xatom[XembedInfo] = XInternAtom(dpy, "_XEMBED_INFO", False);
+ /* init cursors */
+ cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
+ cursor[CurResize] = drw_cur_create(drw, XC_sizing);
+@@ -1586,6 +1767,8 @@ setup(void)
+ scheme = ecalloc(LENGTH(colors), sizeof(Clr *));
+ for (i = 0; i < LENGTH(colors); i++)
+ scheme[i] = drw_scm_create(drw, colors[i], alphas[i], 3);
++ /* init system tray */
++ updatesystray();
+ /* init bars */
+ updatebars();
+ updatestatus();
+@@ -1717,7 +1900,18 @@ togglebar(const Arg *arg)
+ {
+ selmon->showbar = !selmon->showbar;
+ updatebarpos(selmon);
+- XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
++ resizebarwin(selmon);
++ if (showsystray) {
++ XWindowChanges wc;
++ if (!selmon->showbar)
++ wc.y = -bh;
++ else if (selmon->showbar) {
++ wc.y = 0;
++ if (!selmon->topbar)
++ wc.y = selmon->mh - bh;
++ }
++ XConfigureWindow(dpy, systray->win, CWY, &wc);
++ }
+ arrange(selmon);
+ }
+
+@@ -1812,11 +2006,18 @@ unmapnotify(XEvent *e)
+ else
+ unmanage(c, 0);
+ }
++ else if ((c = wintosystrayicon(ev->window))) {
++ /* KLUDGE! sometimes icons occasionally unmap their windows, but do
++ * _not_ destroy them. We map those windows back */
++ XMapRaised(dpy, c->win);
++ updatesystray();
++ }
+ }
+
+ void
+ updatebars(void)
+ {
++ unsigned int w;
+ Monitor *m;
+ XSetWindowAttributes wa = {
+ .override_redirect = True,
+@@ -1829,10 +2030,15 @@ updatebars(void)
+ for (m = mons; m; m = m->next) {
+ if (m->barwin)
+ continue;
+- m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, depth,
++ w = m->ww;
++ if (showsystray && m == systraytomon(m))
++ w -= getsystraywidth();
++ m->barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, DefaultDepth(dpy, screen),
+ InputOutput, visual,
+ CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
+ XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
++ if (showsystray && m == systraytomon(m))
++ XMapRaised(dpy, systray->win);
+ XMapRaised(dpy, m->barwin);
+ XSetClassHint(dpy, m->barwin, &ch);
+ }
+@@ -2008,6 +2214,121 @@ updatestatus(void)
+ if (!gettextprop(root, XA_WM_NAME, stext, sizeof(stext)))
+ strcpy(stext, "dwm-"VERSION);
+ drawbar(selmon);
++ updatesystray();
++}
++
++void
++updatesystrayicongeom(Client *i, int w, int h)
++{
++ if (i) {
++ i->h = bh;
++ if (w == h)
++ i->w = bh;
++ else if (h == bh)
++ i->w = w;
++ else
++ i->w = (int) ((float)bh * ((float)w / (float)h));
++ applysizehints(i, &(i->x), &(i->y), &(i->w), &(i->h), False);
++ /* force icons into the systray dimenons if they don't want to */
++ if (i->h > bh) {
++ if (i->w == i->h)
++ i->w = bh;
++ else
++ i->w = (int) ((float)bh * ((float)i->w / (float)i->h));
++ i->h = bh;
++ }
++ }
++}
++
++void
++updatesystrayiconstate(Client *i, XPropertyEvent *ev)
++{
++ long flags;
++ int code = 0;
++
++ if (!showsystray || !i || ev->atom != xatom[XembedInfo] ||
++ !(flags = getatomprop(i, xatom[XembedInfo])))
++ return;
++
++ if (flags & XEMBED_MAPPED && !i->tags) {
++ i->tags = 1;
++ code = XEMBED_WINDOW_ACTIVATE;
++ XMapRaised(dpy, i->win);
++ setclientstate(i, NormalState);
++ }
++ else if (!(flags & XEMBED_MAPPED) && i->tags) {
++ i->tags = 0;
++ code = XEMBED_WINDOW_DEACTIVATE;
++ XUnmapWindow(dpy, i->win);
++ setclientstate(i, WithdrawnState);
++ }
++ else
++ return;
++ sendevent(i->win, xatom[Xembed], StructureNotifyMask, CurrentTime, code, 0,
++ systray->win, XEMBED_EMBEDDED_VERSION);
++}
++
++void
++updatesystray(void)
++{
++ XSetWindowAttributes wa;
++ XWindowChanges wc;
++ Client *i;
++ Monitor *m = systraytomon(NULL);
++ unsigned int x = m->mx + m->mw;
++ unsigned int w = 1;
++
++ if (!showsystray)
++ return;
++ if (!systray) {
++ /* init systray */
++ if (!(systray = (Systray *)calloc(1, sizeof(Systray))))
++ die("fatal: could not malloc() %u bytes\n", sizeof(Systray));
++ systray->win = XCreateSimpleWindow(dpy, root, x, m->by, w, bh, 0, 0, scheme[SchemeSel][ColBg].pixel);
++ wa.event_mask = ButtonPressMask | ExposureMask;
++ wa.override_redirect = True;
++ wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
++ XSelectInput(dpy, systray->win, SubstructureNotifyMask);
++ XChangeProperty(dpy, systray->win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
++ PropModeReplace, (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
++ XChangeWindowAttributes(dpy, systray->win, CWEventMask|CWOverrideRedirect|CWBackPixel, &wa);
++ XMapRaised(dpy, systray->win);
++ XSetSelectionOwner(dpy, netatom[NetSystemTray], systray->win, CurrentTime);
++ if (XGetSelectionOwner(dpy, netatom[NetSystemTray]) == systray->win) {
++ sendevent(root, xatom[Manager], StructureNotifyMask, CurrentTime, netatom[NetSystemTray], systray->win, 0, 0);
++ XSync(dpy, False);
++ }
++ else {
++ fprintf(stderr, "dwm: unable to obtain system tray.\n");
++ free(systray);
++ systray = NULL;
++ return;
++ }
++ }
++ for (w = 0, i = systray->icons; i; i = i->next) {
++ /* make sure the background color stays the same */
++ wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
++ XChangeWindowAttributes(dpy, i->win, CWBackPixel, &wa);
++ XMapRaised(dpy, i->win);
++ w += systrayspacing;
++ i->x = w;
++ XMoveResizeWindow(dpy, i->win, i->x, 0, i->w, i->h);
++ w += i->w;
++ if (i->mon != m)
++ i->mon = m;
++ }
++ w = w ? w + systrayspacing : 1;
++ x -= w;
++ XMoveResizeWindow(dpy, systray->win, x, m->by, w, bh);
++ wc.x = x; wc.y = m->by; wc.width = w; wc.height = bh;
++ wc.stack_mode = Above; wc.sibling = m->barwin;
++ XConfigureWindow(dpy, systray->win, CWX|CWY|CWWidth|CWHeight|CWSibling|CWStackMode, &wc);
++ XMapWindow(dpy, systray->win);
++ XMapSubwindows(dpy, systray->win);
++ /* redraw background */
++ XSetForeground(dpy, drw->gc, scheme[SchemeNorm][ColBg].pixel);
++ XFillRectangle(dpy, systray->win, drw->gc, 0, 0, w, bh);
++ XSync(dpy, False);
+ }
+
+ void
+@@ -2075,6 +2396,16 @@ wintoclient(Window w)
+ return NULL;
+ }
+
++Client *
++wintosystrayicon(Window w) {
++ Client *i = NULL;
++
++ if (!showsystray || !w)
++ return i;
++ for (i = systray->icons; i && i->win != w; i = i->next) ;
++ return i;
++}
++
+ Monitor *
+ wintomon(Window w)
+ {
+@@ -2092,6 +2423,22 @@ wintomon(Window w)
+ return selmon;
+ }
+
++Monitor *
++systraytomon(Monitor *m) {
++ Monitor *t;
++ int i, n;
++ if(!systraypinning) {
++ if(!m)
++ return selmon;
++ return m == selmon ? m : NULL;
++ }
++ for(n = 1, t = mons; t && t->next; n++, t = t->next) ;
++ for(i = 1, t = mons; t && t->next && i < systraypinning; i++, t = t->next) ;
++ if(systraypinningfailfirst && n < systraypinning)
++ return mons;
++ return t;
++}
++
+ /* There's no way to check accesses to destroyed windows, thus those cases are
+ * ignored (especially on UnmapNotify's). Other types of errors call Xlibs
+ * default error handler, which may call exit. */