Re: [dwm] dwm and dualhead

there should be a Bool usegrab in your config.h, check it against
config.def.h

Here's a slightly updated patch, the bar is drawn a little better now.

Jeremy

On Fri 12 Dec 2008 - 01:20PM, Johannes Wegener wrote:
> thanks for your approach - but I was not able to compile it (patched
> against dwm 5.3.1) it does not find the function "usegrab" (used in
> "movemouse" and "resizemouse"...
>
> On Thu, Dec 11, 2008 at 10:59:16PM -0500, Jeremy Jay wrote:
> > Here's my XRandR and multi-screen patch, its pretty much not what you've
> > asked for here, but I'll throw it out as a starting point. I haven't
> > had a chance to test it much, so don't yell at me if your screen
> > explodes...
> >
> > one tag for all screens. status bar is only shown on screen 0 (although
> > this can very easily be set to another screen)
> >
> > layouts updated for multi-head:
> > tile: windows are evenly divided among screens.
> > monocle: one window per screen, all remaining windows on last screen.
> >
> > Jeremy
> >
> >
> > On Thu 11 Dec 2008 - 10:18AM, Mate Nagy wrote:
> > > Hiho,
> > > On Thu, Dec 11, 2008 at 09:39:19AM +0100, yy wrote:
> > > > on this list and, if somebody finds a great _general_ solution (which
> > > > seems difficult, but I would be love to be wrong), I'm sure Anselm
> > > > would be glad to include it in the official release.
> > > > Just my 2cts,
> > > I don't see anything "difficult" about this. In fact, awesome generally
> > > gets this right. This is what I want from dwm:
> > >
> > > - handle each xrandr screen separately
> > > including all data structures, so different layout, client set,
> > > tagging, etc.
> > > - draw statusbar everywhere (from the same input text)
> > > - have a key-bindable function for:
> > > - changing between screens
> > > - move window to another screen
> > > - do something semi-intelligent when a screen with clients goes away,
> > > e.g. put clients in previous/next screen oslt.
> > >
> > > Basically, it should behave as multiple separate dwms, except that
> > > clients can be sent from screen to screen and all dwms have the same
> > > configuration.
> > >
> > > Speculation: in this configuration, especially when changing between
> > > screens, moving the mouse pointer to the location of the focus might be
> > > more important/desirable. This might be a compile-time option or patch..
> > >
> > > Mate
> > >
>
> > diff -r 79bf47074a49 config.mk
> > --- a/config.mk Sat Dec 06 16:20:14 2008 +0000
> > +++ b/config.mk Thu Dec 11 22:50:24 2008 -0500
> > @@ -13,6 +13,8 @@
> > # Xinerama, un-comment if you want it
> > #XINERAMALIBS = -L${X11LIB} -lXinerama
> > #XINERAMAFLAGS = -DXINERAMA
> > +XINERAMALIBS = -L${X11LIB} -lXrandr
> > +XINERAMAFLAGS = -DXRANDR
> >
> > # includes and libs
> > INCS = -I. -I/usr/include -I${X11INC}
> > diff -r 79bf47074a49 dwm.c
> > --- a/dwm.c Sat Dec 06 16:20:14 2008 +0000
> > +++ b/dwm.c Thu Dec 11 22:50:24 2008 -0500
> > @@ -42,6 +42,9 @@
> > #ifdef XINERAMA
> > #include <X11/extensions/Xinerama.h>
> > #endif
> > +#ifdef XRANDR
> > +#include <X11/extensions/Xrandr.h>
> > +#endif
> >
> > /* macros */
> > #define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
> > @@ -52,6 +55,7 @@
> > #define MAX(a, b) ((a) > (b) ? (a) : (b))
> > #define MIN(a, b) ((a) < (b) ? (a) : (b))
> > #define MAXTAGLEN 16
> > +#define MAXMONITORS 8
> > #define MOUSEMASK (BUTTONMASK|PointerMotionMask)
> > #define WIDTH(x) ((x)->w + 2 * (x)->bw)
> > #define HEIGHT(x) ((x)->h + 2 * (x)->bw)
> > @@ -206,10 +210,11 @@
> >
> > /* variables */
> > static char stext[256];
> > -static int screen;
> > +static int screen, mons;
> > static int sx, sy, sw, sh; /* X display screen geometry x, y, width, height */
> > static int by, bh, blw; /* bar geometry y, height and layout symbol width */
> > static int wx, wy, ww, wh; /* window area geometry x, y, width, height, bar excluded */
> > +static int mx[MAXMONITORS], my[MAXMONITORS], mw[MAXMONITORS], mh[MAXMONITORS]; /* monitor area geometry x, y, width, height, bar excluded */
> > static unsigned int seltags = 0, sellt = 0;
> > static int (*xerrorxlib)(Display *, XErrorEvent *);
> > static unsigned int numlockmask = 0;
> > @@ -926,10 +931,14 @@
> >
> > void
> > monocle(void) {
> > - Client *c;
> > + int m, i;
> > + Client *c = nexttiled(clients);
> >
> > - for(c = nexttiled(clients); c; c = nexttiled(c->next))
> > - resize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw, resizehints);
> > + for(m=0; m<mons; m++) {
> > + wx=mx[m]; wy=my[m]; ww=mw[m]; wh=mh[m];
> > + for(i=((m==(mons-1))?-1:1); c && i!=0; c = nexttiled(c->next), i--)
> > + resize(c, wx, wy, ww - 2 * c->bw, wh - 2 * c->bw, resizehints);
> > + }
> > }
> >
> > void
> > @@ -1427,35 +1436,39 @@
> >
> > void
> > tile(void) {
> > - int x, y, h, w, mw;
> > - unsigned int i, n;
> > + int x, y, h, w, maw;
> > + unsigned int i, n, r, g, m;
> > Client *c;
> >
> > for(n = 0, c = nexttiled(clients); c; c = nexttiled(c->next), n++);
> > if(n == 0)
> > return;
> >
> > - /* master */
> > c = nexttiled(clients);
> > - mw = mfact * ww;
> > - resize(c, wx, wy, (n == 1 ? ww : mw) - 2 * c->bw, wh - 2 * c->bw, resizehints);
> > + for(m=0, g=(n+(mons/2))/mons, r=n-g, n=g; c && m<mons; m++, n=(r<g?r:g), r-=n) {
> > + wx=mx[m]; wy=my[m]; ww=mw[m]; wh=mh[m];
> > + /* master */
> > + maw = mfact * ww;
> > + resize(c, wx, wy, (n == 1 ? ww : maw) - 2 * c->bw, wh - 2 * c->bw, resizehints);
> > + c = nexttiled(c->next);
> >
> > - if(--n == 0)
> > - return;
> > + if( --n == 0 )
> > + continue;
> >
> > - /* tile stack */
> > - x = (wx + mw > c->x + c->w) ? c->x + c->w + 2 * c->bw : wx + mw;
> > - y = wy;
> > - w = (wx + mw > c->x + c->w) ? wx + ww - x : ww - mw;
> > - h = wh / n;
> > - if(h < bh)
> > - h = wh;
> > + /* tile stack */
> > + x = (wx + maw > c->x + c->w) ? c->x + c->w + 2 * c->bw : wx + maw;
> > + y = wy;
> > + w = (wx + maw > c->x + c->w) ? wx + ww - x : ww - maw;
> > + h = wh / n;
> > + if(h < bh)
> > + h = wh;
> >
> > - for(i = 0, c = nexttiled(c->next); c; c = nexttiled(c->next), i++) {
> > - resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == n)
> > - ? wy + wh - y - 2 * c->bw : h - 2 * c->bw), resizehints);
> > - if(h != wh)
> > - y = c->y + HEIGHT(c);
> > + for(i = 0; c && (m==(mons-1)?1:n); c = nexttiled(c->next), i++, n--) {
> > + resize(c, x, y, w - 2 * c->bw, /* remainder */ ((i + 1 == g)
> > + ? wy + wh - y - 2 * c->bw : h - 2 * c->bw), resizehints);
> > + if(h != wh)
> > + y = c->y + HEIGHT(c);
> > + }
> > }
> > }
> >
> > @@ -1565,11 +1578,45 @@
> > }
> > else
> > #endif
> > +#ifdef XRANDR
> > + if( True /* xrr is active? */ ) {
> > + int i=0, j=0, k=0, o=0;
> > + XRRScreenResources *screenInfo = XRRGetScreenResources( dpy, root );
> > + XRRCrtcInfo *crtcInfo = NULL;
> > + XID seenOutputs[MAXMONITORS*16]; // 16 clones should be enough
> > + for(i=0, mons=0; i<screenInfo->ncrtc; i++) {
> > + crtcInfo = XRRGetCrtcInfo( dpy, screenInfo, screenInfo->crtcs[i] );
> > +
> > + if( crtcInfo->noutput!=0 ) {
> > + Bool dupe=False;
> > + for(j=0; j<crtcInfo->noutput; j++) {
> > + for(k=0; seenOutputs[k]!=crtcInfo->outputs[j] && k<o; k++);
> > + if( k!=o )
> > + dupe=True;
> > + else
> > + seenOutputs[o++]=crtcInfo->outputs[j];
> > + }
> > +
> > + if( !dupe ) {
> > + my[mons]=crtcInfo->y + (mons==0 && showbar && topbar ? bh : 0);
> > + mh[mons]=crtcInfo->height - (mons==0 && showbar?bh:0);
> > + mw[mons]=crtcInfo->width;
> > + mx[mons++]=crtcInfo->x;
> > + }
> > + }
> > + }
> > + XRRFreeCrtcInfo(crtcInfo);
> > + XRRFreeScreenResources(screenInfo);
> > +
> > + wx = mx[0]; wy = my[0]; ww = mw[0]; wh = mh[0];
> > + } else
> > +#endif
> > {
> > - wx = sx;
> > - wy = showbar && topbar ? sy + bh : sy;
> > - ww = sw;
> > - wh = showbar ? sh - bh : sh;
> > + mons=1;
> > + mx[0] = wx = sx;
> > + my[0] = wy = showbar && topbar ? sy + bh : sy;
> > + mw[0] = ww = sw;
> > + mh[0] = wh = showbar ? sh - bh : sh;
> > }
> >
> > /* bar position */
>