From 44ad1a9255504ef36670f46101689b2ab9d8501e Mon Sep 17 00:00:00 2001
From: rangerlatham <ghanklatham@gmail.com>
Date: Sun, 31 Dec 2017 19:26:47 -0500
Subject: [PATCH] patch that adds ewmh functionality to dwm. see
dwm.suckless.org/patches/ewmhtags for more details
---
dwm.c | 48 +++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 47 insertions(+), 1 deletion(-)
diff --git a/dwm.c b/dwm.c
index ec6a27c..018b7aa 100644
--- a/dwm.c
+++ b/dwm.c
@@ -55,6 +55,7 @@
#define WIDTH(X) ((X)->w + 2 * (X)->bw)
#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
#define TAGMASK ((1 << LENGTH(tags)) - 1)
+#define TAGSLENGTH (LENGTH(tags))
#define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
#define ColBorder 2
@@ -63,7 +64,7 @@ enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
enum { SchemeNorm, SchemeSel }; /* color schemes */
enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
NetWMFullscreen, NetActiveWindow, NetWMWindowType,
- NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
+ NetWMWindowTypeDialog, NetClientList, NetDesktopNames, NetDesktopViewport, NetNumberOfDesktops, NetCurrentDesktop, NetLast }; /* EWMH atoms */
enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
@@ -198,11 +199,15 @@ static void scan(void);
static int sendevent(Client *c, Atom proto);
static void sendmon(Client *c, Monitor *m);
static void setclientstate(Client *c, long state);
+static void setcurrentdesktop(void);
+static void setdesktopnames(void);
static void setfocus(Client *c);
static void setfullscreen(Client *c, int fullscreen);
static void setlayout(const Arg *arg);
static void setmfact(const Arg *arg);
+static void setnumdesktops(void);
static void setup(void);
+static void setviewport(void);
static void seturgent(Client *c, int urg);
static void showhide(Client *c);
static void sigchld(int unused);
@@ -217,6 +222,7 @@ static void toggleview(const Arg *arg);
static void unfocus(Client *c, int setfocus);
static void unmanage(Client *c, int destroyed);
static void unmapnotify(XEvent *e);
+static void updatecurrentdesktop(void);
static int updategeom(void);
static void updatebarpos(Monitor *m);
static void updatebars(void);
@@ -1432,6 +1438,16 @@ setclientstate(Client *c, long state)
XChangeProperty(dpy, c->win, wmatom[WMState], wmatom[WMState], 32,
PropModeReplace, (unsigned char *)data, 2);
}
+void
+setcurrentdesktop(void){
+ long data[] = { 0 };
+ XChangeProperty(dpy, root, netatom[NetCurrentDesktop], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1);
+}
+void setdesktopnames(void){
+ XTextProperty text;
+ Xutf8TextListToTextProperty(dpy, tags, TAGSLENGTH, XUTF8StringStyle, &text);
+ XSetTextProperty(dpy, root, &text, netatom[NetDesktopNames]);
+}
int
sendevent(Client *c, Atom proto)
@@ -1527,6 +1543,12 @@ setmfact(const Arg *arg)
arrange(selmon);
}
+void
+setnumdesktops(void){
+ long data[] = { TAGSLENGTH };
+ XChangeProperty(dpy, root, netatom[NetNumberOfDesktops], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1);
+}
+
void
setup(void)
{
@@ -1563,6 +1585,10 @@ 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);
+ netatom[NetDesktopViewport] = XInternAtom(dpy, "_NET_DESKTOP_VIEWPORT", False);
+ netatom[NetNumberOfDesktops] = XInternAtom(dpy, "_NET_NUMBER_OF_DESKTOPS", False);
+ netatom[NetCurrentDesktop] = XInternAtom(dpy, "_NET_CURRENT_DESKTOP", False);
+ netatom[NetDesktopNames] = XInternAtom(dpy, "_NET_DESKTOP_NAMES", False);
/* init cursors */
cursor[CurNormal] = drw_cur_create(drw, XC_left_ptr);
cursor[CurResize] = drw_cur_create(drw, XC_sizing);
@@ -1585,6 +1611,10 @@ setup(void)
/* EWMH support per view */
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
PropModeReplace, (unsigned char *) netatom, NetLast);
+ setnumdesktops();
+ setcurrentdesktop();
+ setdesktopnames();
+ setviewport();
XDeleteProperty(dpy, root, netatom[NetClientList]);
/* select events */
wa.cursor = cursor[CurNormal]->cursor;
@@ -1596,6 +1626,11 @@ setup(void)
grabkeys();
focus(NULL);
}
+void
+setviewport(void){
+ long data[] = { 0, 0 };
+ XChangeProperty(dpy, root, netatom[NetDesktopViewport], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 2);
+}
void
@@ -1745,6 +1780,7 @@ toggleview(const Arg *arg)
focus(NULL);
arrange(selmon);
}
+ updatecurrentdesktop();
}
void
@@ -1847,6 +1883,15 @@ updateclientlist()
XA_WINDOW, 32, PropModeAppend,
(unsigned char *) &(c->win), 1);
}
+void updatecurrentdesktop(void){
+ long rawdata[] = { selmon->tagset[selmon->seltags] };
+ int i=0;
+ while(*rawdata >> i+1){
+ i++;
+ }
+ long data[] = { i };
+ XChangeProperty(dpy, root, netatom[NetCurrentDesktop], XA_CARDINAL, 32, PropModeReplace, (unsigned char *)data, 1);
+}
int
updategeom(void)
@@ -2043,6 +2088,7 @@ view(const Arg *arg)
selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
focus(NULL);
arrange(selmon);
+ updatecurrentdesktop();
}
Client *
--
2.15.1
