Re: [dev] [PATCH] systray-alpha patch

From: Jan Christoph Ebersbach <jceb_AT_e-jc.de>
Date: Mon, 26 Dec 2016 10:18:34 +0100

_AT_Eon, I'd be happy to integrate parts of the patch into the systray
patch. Would you mind posting your version as a proper patch file in
the wiki or in this list?

On Fri 23-12-2016 17:21 +0900, Eon S. Jeon wrote:

> This patch is a merge b/w systray and alpha.
>
> Additional changes are:
> - create systray-> win with apropriate visual and attributes
> - utilize _NET_SYSTEM_TRAY_VISUAL to let tray icon alpha-aware
> ---
> config.def.h | 14 +-
> config.mk | 2 +-
> drw.c | 59 +++++++--
> drw.h | 3 +
> dwm.c | 409 +++++++++++++++++++++++++++++++++++++++++++++++++++++++----
> 5 files changed, 446 insertions(+), 41 deletions(-)
>
> diff --git a/config.def.h b/config.def.h
> index ba9a240..498b5bb 100644
> --- a/config.def.h
> +++ b/config.def.h
> _AT_@ -3,15 +3,19 @@
> /* 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" };
> static const char dmenufont[] = "monospace:size=10";
> -static const char col_gray1[] = "#222222";
> -static const char col_gray2[] = "#444444";
> -static const char col_gray3[] = "#bbbbbb";
> -static const char col_gray4[] = "#eeeeee";
> -static const char col_cyan[] = "#005577";
> +static const char col_gray1[] = "#222222A#dd";
> +static const char col_gray2[] = "#444444A#ff";
> +static const char col_gray3[] = "#bbbbbbA#ff";
> +static const char col_gray4[] = "#eeeeeeA#ff";
> +static const char col_cyan[] = "#005577A#dd";
> static const char *colors[][3] = {
> /* fg bg border */
> [SchemeNorm] = { col_gray3, col_gray1, col_gray2 },
> diff --git a/config.mk b/config.mk
> index 80dc936..2c62e89 100644
> --- a/config.mk
> +++ b/config.mk
> _AT_@ -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 --git a/drw.c b/drw.c
> index 319eb6b..833e8d1 100644
> --- a/drw.c
> +++ b/drw.c
> _AT_@ -60,6 +60,39 @@ utf8decode(const char *c, long *u, size_t clen)
> return len;
> }
>
> +static void
> +drw_initvisual(Drw *drw, Display *dpy, int screen, Window root)
> +{
> + 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);
> + for(i = 0; i < nitems; i ++) {
> + fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
> + if (fmt-> type == PictTypeDirect && fmt->direct.alphaMask)
> + goto found;
> + }
> +
> + drw-> visual = DefaultVisual(dpy, screen);
> + drw-> depth = DefaultDepth(dpy, screen);
> + drw-> cmap = DefaultColormap(dpy, screen);
> + return;
> +
> +found:
> + drw-> visual = infos[i].visual;
> + drw-> depth = infos[i].depth;
> + drw-> cmap = XCreateColormap(dpy, root, drw->visual, AllocNone);
> +}
> +
> Drw *
> drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h)
> {
> _AT_@ -70,8 +103,9 @@ drw_create(Display *dpy, int screen, Window root, unsigned int w, unsigned int h
> 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_initvisual(drw, dpy, screen, root);
> + drw-> drawable = XCreatePixmap(dpy, root, w, h, drw->depth);
> + drw-> gc = XCreateGC(dpy, drw->drawable, 0, NULL);
> XSetLineAttributes(dpy, drw-> gc, 1, LineSolid, CapButt, JoinMiter);
>
> return drw;
> _AT_@ -87,7 +121,7 @@ drw_resize(Drw *drw, unsigned int w, unsigned int h)
> 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
> _AT_@ -182,13 +216,24 @@ drw_fontset_free(Fnt *font)
> void
> drw_clr_create(Drw *drw, XftColor *dest, const char *clrname)
> {
> + unsigned long alpha;
> + size_t i;
> +
> 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);
> +
> + i = strlen(clrname) + 1;
> + if (clrname[i] == 'A' && clrname[i+1] == '#') {
> + alpha = strtoul(&clrname[i+2], NULL, 16);
> + printf("alpha : %lun", alpha);
> + dest-> pixel &= 0x00ffffffUL;
> + dest-> pixel |= alpha << 24;
> + dest-> color.alpha = alpha << 8;
> + }
> }
>
> /* Wrapper to create color schemes. The caller has to call free(3) on the
> _AT_@ -260,9 +305,7 @@ drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, unsigned int lp
> } 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 --git a/drw.h b/drw.h
> index ff4355b..b3b13aa 100644
> --- a/drw.h
> +++ b/drw.h
> _AT_@ -20,6 +20,9 @@ typedef struct {
> Display *dpy;
> int screen;
> Window root;
> + Visual *visual;
> + unsigned int depth;
> + Colormap cmap;
> Drawable drawable;
> GC gc;
> Scm scheme;
> diff --git a/dwm.c b/dwm.c
> index d27cb67..2fb2f5b 100644
> --- a/dwm.c
> +++ b/dwm.c
> _AT_@ -58,12 +58,30 @@
> #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
> #define ColBorder 2
>
> +#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, NetSystemTrayVisual,
> 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 */
> _AT_@ -142,6 +160,12 @@ 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);
> _AT_@ -170,8 +194,10 @@ 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);
> _AT_@ -189,13 +215,16 @@ 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);
> _AT_@ -207,6 +236,7 @@ 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 *);
> _AT_@ -224,18 +254,23 @@ 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);
> static void zoom(const Arg *arg);
>
> /* variables */
> +static Systray *systray = NULL;
> static const char broken[] = "broken";
> static char stext[256];
> static int screen;
> _AT_@ -258,9 +293,10 @@ static void (*handler[LASTEvent]) (XEvent *) = {
> [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 Scm *scheme;
> _AT_@ -481,6 +517,11 @@ 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++)
> _AT_@ -511,9 +552,52 @@ 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 bytesn", 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]) {
> _AT_@ -565,7 +649,7 @@ 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);
> _AT_@ -650,6 +734,11 @@ destroynotify(XEvent *e)
>
> if ((c = wintoclient(ev-> window)))
> unmanage(c, 1);
> + else if ((c = wintosystrayicon(ev-> window))) {
> + removesystrayicon(c);
> + resizebarwin(selmon);
> + updatesystray();
> + }
> }
>
> void
> _AT_@ -693,19 +782,23 @@ 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;
>
> + 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);
> + drw_text(drw, m-> ww - sw - stw, 0, sw, bh, 0, stext, 0);
> }
>
> + resizebarwin(m);
> for (c = m-> clients; c; c = c->next) {
> occ |= c-> tags;
> if (c-> isurgent)
> _AT_@ -726,7 +819,7 @@ 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);
> _AT_@ -737,7 +830,7 @@ 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
> _AT_@ -774,8 +867,11 @@ 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
> _AT_@ -862,10 +958,17 @@ 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,
> + 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;
> _AT_@ -899,6 +1002,16 @@ 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)
> {
> _AT_@ -1005,7 +1118,7 @@ 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);
> _AT_@ -1093,6 +1206,12 @@ 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;
> _AT_@ -1220,6 +1339,16 @@ 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)
> _AT_@ -1271,6 +1400,20 @@ recttomon(int x, int y, int w, int h)
> }
>
> 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
> resize(Client *c, int x, int y, int w, int h, int interact)
> {
> if (applysizehints(c, &x, &y, &w, &h, interact))
> _AT_@ -1278,6 +1421,14 @@ resize(Client *c, int x, int y, int w, int h, int interact)
> }
>
> 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;
> _AT_@ -1350,6 +1501,19 @@ resizemouse(const Arg *arg)
> }
>
> 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
> restack(Monitor *m)
> {
> Client *c;
> _AT_@ -1438,26 +1602,36 @@ 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;
> }
> _AT_@ -1471,7 +1645,7 @@ 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
> _AT_@ -1560,6 +1734,11 @@ 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[NetSystemTrayVisual] = XInternAtom(dpy, "_NET_SYSTEM_TRAY_VISUAL", 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);
> _AT_@ -1567,6 +1746,9 @@ 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);
> _AT_@ -1575,6 +1757,8 @@ setup(void)
> scheme = ecalloc(LENGTH(colors), sizeof(Scm));
> for (i = 0; i < LENGTH(colors); i++)
> scheme[i] = drw_scm_create(drw, colors[i], 3);
> + /* init system tray */
> + updatesystray();
> /* init bars */
> updatebars();
> updatestatus();
> _AT_@ -1705,7 +1889,18 @@ 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);
> }
>
> _AT_@ -1801,24 +1996,38 @@ 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,
> - .background_pixmap = ParentRelative,
> + .background_pixel = 0,
> + .border_pixel = 0,
> + .colormap = drw-> cmap,
> .event_mask = ButtonPressMask|ExposureMask
> };
> for (m = mons; m; m = m-> next) {
> if (m-> barwin)
> continue;
> - m-> barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
> - CopyFromParent, DefaultVisual(dpy, screen),
> - CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
> + w = m-> ww;
> + if (showsystray && m == systraytomon(m))
> + w -= getsystraywidth();
> + m-> barwin = XCreateWindow(dpy, root, m->wx, m->by, w, bh, 0, drw->depth,
> + CopyFromParent, drw-> 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);
> }
> }
> _AT_@ -2006,6 +2215,126 @@ 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 bytesn", sizeof(Systray));
> + wa.event_mask = ButtonPressMask | ExposureMask;
> + wa.override_redirect = True;
> + wa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
> + wa.border_pixel = 0;
> + wa.colormap = drw-> cmap;
> + systray-> win = XCreateWindow(dpy, root, x, m->by, w, bh, 0, drw->depth,
> + InputOutput, drw-> visual,
> + CWOverrideRedirect|CWBackPixel|CWBorderPixel|CWColormap|CWEventMask, &wa);
> + XSelectInput(dpy, systray-> win, SubstructureNotifyMask);
> + XChangeProperty(dpy, systray-> win, netatom[NetSystemTrayOrientation], XA_CARDINAL, 32,
> + PropModeReplace, (unsigned char *)&netatom[NetSystemTrayOrientationHorz], 1);
> + XChangeProperty(dpy, systray-> win, netatom[NetSystemTrayVisual], XA_VISUALID, 32,
> + PropModeReplace, (unsigned char *)&drw-> visual->visualid, 1);
> + 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
> _AT_@ -2064,6 +2393,16 @@ 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)
> {
> _AT_@ -2117,6 +2456,22 @@ xerrorstart(Display *dpy, XErrorEvent *ee)
> return -1;
> }
>
> +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
> zoom(const Arg *arg)
> {

-- 
Jan Christoph Ebersbach
I didn’t want some petty, inferior brand of righteousness that comes
from keeping a list of rules when I could get the robust kind that comes
from trusting Christ - God’s righteousness.  Phil 3:9

Received on Mon Dec 26 2016 - 10:18:34 CET

This archive was generated by hypermail 2.3.0 : Mon Dec 26 2016 - 10:24:13 CET