applied Ivan Delalande's NET_SUPPORTING_WM_CHECK patch for gtk3 compatibility

diff --git a/dwm.c b/dwm.c
index 3d6cc28..ca6f679 100644 (file)
--- a/dwm.c
+++ b/dwm.c
@@ -61,7 +61,7 @@
 /* enums */
 enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
 enum { SchemeNorm, SchemeSel }; /* color schemes */
-enum { NetSupported, NetWMName, NetWMState,
+enum { NetSupported, NetWMName, NetWMState, NetWMCheck,
        NetWMFullscreen, NetActiveWindow, NetWMWindowType,
        NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
 enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
@@ -267,7 +267,7 @@ static Scm *scheme;
 static Display *dpy;
 static Drw *drw;
 static Monitor *mons, *selmon;
-static Window root;
+static Window root, wmcheckwin;
 
 /* configuration, allows nested code to access above variables */
 #include "config.h"
@@ -485,6 +485,7 @@ cleanup(void)
                drw_cur_free(drw, cursor[i]);
        for (i = 0; i < LENGTH(colors); i++)
                free(scheme[i]);
+       XDestroyWindow(dpy, wmcheckwin);
        drw_free(drw);
        XSync(dpy, False);
        XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
@@ -1551,6 +1552,7 @@ setup(void)
 {
        int i;
        XSetWindowAttributes wa;
+       Atom utf8string;
 
        /* clean up any zombies immediately */
        sigchld(0);
@@ -1567,6 +1569,7 @@ setup(void)
        bh = drw->fonts->h + 2;
        updategeom();
        /* init atoms */
+       utf8string = XInternAtom(dpy, "UTF8_STRING", False);
        wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
        wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
        wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
@@ -1575,6 +1578,7 @@ setup(void)
        netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", 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);
        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);
@@ -1590,6 +1594,14 @@ setup(void)
        /* init bars */
        updatebars();
        updatestatus();
+       /* supporting window for NetWMCheck */
+       wmcheckwin = XCreateSimpleWindow(dpy, root, 0, 0, 1, 1, 0, 0, 0);
+       XChangeProperty(dpy, wmcheckwin, netatom[NetWMCheck], XA_WINDOW, 32,
+               PropModeReplace, (unsigned char *) &wmcheckwin, 1);
+       XChangeProperty(dpy, wmcheckwin, netatom[NetWMName], utf8string, 8,
+               PropModeReplace, (unsigned char *) "dwm", 4);
+       XChangeProperty(dpy, root, netatom[NetWMCheck], XA_WINDOW, 32,
+               PropModeReplace, (unsigned char *) &wmcheckwin, 1);
        /* EWMH support per view */
        XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
                        PropModeReplace, (unsigned char *) netatom, NetLast);