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/* See LICENSE file for copyright and license details.
*
* dynamic window manager is designed like any other X client as well . It is
* driven through handling X events . In contrast to other X clients , a window
* manager selects for SubstructureRedirectMask on the root window , to receive
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* events about window ( dis - ) appearance . Only one X connection at a time is
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* allowed to select for this event mask .
*
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* The event handlers of dwm are organized in an array which is accessed
* whenever a new event has been fetched . This allows event dispatching
* in O ( 1 ) time .
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*
* Each child of the root window is called a client , except windows which have
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* set the override_redirect flag . Clients are organized in a linked client
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* list on each monitor , the focus history is remembered through a stack list
* on each monitor . Each client contains a bit array to indicate the tags of a
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* client .
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*
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* Keys and tagging rules are organized as arrays and defined in config . h .
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*
* To understand everything else , start reading main ( ) .
*/
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# include <errno.h>
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# include <locale.h>
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# include <signal.h>
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# include <stdarg.h>
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# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <unistd.h>
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# include <sys/types.h>
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# include <sys/wait.h>
# include <X11/cursorfont.h>
# include <X11/keysym.h>
# include <X11/Xatom.h>
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# include <X11/Xlib.h>
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# include <X11/Xproto.h>
# include <X11/Xutil.h>
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# ifdef XINERAMA
# include <X11/extensions/Xinerama.h>
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# endif /* XINERAMA */
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# include <X11/Xft/Xft.h>
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# include "drw.h"
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# include "util.h"
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# include "dwm.h"
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# include "config.h"
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/* function implementations */
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void
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applyrules ( Client * c )
{
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const char * class , * instance ;
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unsigned int i ;
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const Rule * r ;
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Monitor * m ;
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XClassHint ch = { NULL , NULL } ;
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/* rule matching */
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c - > isfloating = 0 ;
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c - > tags = 0 ;
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XGetClassHint ( dpy , c - > win , & ch ) ;
class = ch . res_class ? ch . res_class : broken ;
instance = ch . res_name ? ch . res_name : broken ;
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for ( i = 0 ; i < LENGTH ( rules ) ; i + + ) {
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r = & rules [ i ] ;
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if ( ( ! r - > title | | strstr ( c - > name , r - > title ) )
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& & ( ! r - > class | | strstr ( class , r - > class ) )
& & ( ! r - > instance | | strstr ( instance , r - > instance ) ) )
{
c - > isfloating = r - > isfloating ;
c - > tags | = r - > tags ;
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for ( m = mons ; m & & m - > num ! = r - > monitor ; m = m - > next ) ;
if ( m )
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c - > mon = m ;
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}
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}
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if ( ch . res_class )
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XFree ( ch . res_class ) ;
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if ( ch . res_name )
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XFree ( ch . res_name ) ;
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c - > tags = c - > tags & TAGMASK ? c - > tags & TAGMASK : c - > mon - > tagset [ c - > mon - > seltags ] ;
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}
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int
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applysizehints ( Client * c , int * x , int * y , int * w , int * h , int interact )
{
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int baseismin ;
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Monitor * m = c - > mon ;
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/* set minimum possible */
* w = MAX ( 1 , * w ) ;
* h = MAX ( 1 , * h ) ;
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if ( interact ) {
if ( * x > sw )
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* x = sw - WIDTH ( c ) ;
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if ( * y > sh )
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* y = sh - HEIGHT ( c ) ;
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if ( * x + * w + 2 * c - > bw < 0 )
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* x = 0 ;
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if ( * y + * h + 2 * c - > bw < 0 )
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* y = 0 ;
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} else {
if ( * x > = m - > wx + m - > ww )
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* x = m - > wx + m - > ww - WIDTH ( c ) ;
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if ( * y > = m - > wy + m - > wh )
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* y = m - > wy + m - > wh - HEIGHT ( c ) ;
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if ( * x + * w + 2 * c - > bw < = m - > wx )
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* x = m - > wx ;
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if ( * y + * h + 2 * c - > bw < = m - > wy )
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* y = m - > wy ;
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}
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if ( * h < bh )
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* h = bh ;
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if ( * w < bh )
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* w = bh ;
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if ( resizehints | | c - > isfloating | | ! c - > mon - > lt [ c - > mon - > sellt ] - > arrange ) {
manage: propertynotify: Reduce cost of unused size hints
This patch defers all size hint calculations until they are actually
needed, drastically reducing the number of calls to updatesizehints(),
which can be expensive when called repeatedly (as it currently is during
resizes).
In my unscientific testing this reduces calls to updatesizehints() by
over 90% during a typical work session. There are no functional changes
for users other than an increase in responsiveness after resizes and
a reduction in CPU time.
In slower environments or X servers, this patch also offers an
improvement in responsiveness that is often tangible after resizing a
client that changes hints during resizes.
There are two main motivations to defer this work to the time of hint
application:
1. Some clients, especially terminals using incremental size hints,
resend XA_WM_NORMAL_HINTS events on resize to avoid fighting with the
WM or mouse resizing. For example, some terminals like urxvt clear
PBaseSize and PResizeInc during XResizeWindow and restore them
afterwards.
For this reason, after the resize is concluded, we typically receive
a backlogged XA_WM_NORMAL_HINTS message for each update period with
movement, which is useless. In some cases one may get hundreds or
thousands of XA_WM_NORMAL_HINTS messages on large resizes, and
currently all of these result in a separate updatesizehints() call,
of which all but the final one are immediately outdated.
(We can't just blindly discard these messages during resizes like we
do for EnterNotify, because some of them might actually be for other
windows, and may not be XA_WM_NORMAL_HINTS events.)
2. For users which use resizehints=0 most of these updates are unused
anyway -- in the normal case where the client is not floating these
values won't be used, so there's no need to calculate them up front.
A synthetic test using the mouse to resize a floating terminal window
from roughly 256x256 to 1024x1024 and back again shows that the number
of calls to updatesizehints() goes from over 500 before this patch (one
for each update interval with movement) to 2 after this patch (one for
each hint application), with no change in user visible behaviour.
This also reduces the delay before dwm is ready to process new events
again after a large resize on such a client, as it avoids the thundering
herd of updatesizehints() calls when hundreds of backlogged
XA_WM_NORMAL_HINTS messages appear at once after a resize is finished.
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if ( ! c - > hintsvalid )
updatesizehints ( c ) ;
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/* see last two sentences in ICCCM 4.1.2.3 */
baseismin = c - > basew = = c - > minw & & c - > baseh = = c - > minh ;
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if ( ! baseismin ) { /* temporarily remove base dimensions */
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* w - = c - > basew ;
* h - = c - > baseh ;
}
/* adjust for aspect limits */
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if ( c - > mina > 0 & & c - > maxa > 0 ) {
if ( c - > maxa < ( float ) * w / * h )
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* w = * h * c - > maxa + 0.5 ;
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else if ( c - > mina < ( float ) * h / * w )
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* h = * w * c - > mina + 0.5 ;
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}
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if ( baseismin ) { /* increment calculation requires this */
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* w - = c - > basew ;
* h - = c - > baseh ;
}
/* adjust for increment value */
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if ( c - > incw )
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* w - = * w % c - > incw ;
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if ( c - > inch )
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* h - = * h % c - > inch ;
/* restore base dimensions */
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* w = MAX ( * w + c - > basew , c - > minw ) ;
* h = MAX ( * h + c - > baseh , c - > minh ) ;
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if ( c - > maxw )
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* w = MIN ( * w , c - > maxw ) ;
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if ( c - > maxh )
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* h = MIN ( * h , c - > maxh ) ;
}
return * x ! = c - > x | | * y ! = c - > y | | * w ! = c - > w | | * h ! = c - > h ;
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}
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void
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arrange ( Monitor * m )
{
if ( m )
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showhide ( m - > stack ) ;
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else for ( m = mons ; m ; m = m - > next )
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showhide ( m - > stack ) ;
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if ( m ) {
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arrangemon ( m ) ;
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restack ( m ) ;
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} else for ( m = mons ; m ; m = m - > next )
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arrangemon ( m ) ;
}
void
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arrangemon ( Monitor * m )
{
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strncpy ( m - > ltsymbol , m - > lt [ m - > sellt ] - > symbol , sizeof m - > ltsymbol ) ;
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if ( m - > lt [ m - > sellt ] - > arrange )
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m - > lt [ m - > sellt ] - > arrange ( m ) ;
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}
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void
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attach ( Client * c )
{
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c - > next = c - > mon - > clients ;
c - > mon - > clients = c ;
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}
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void
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attachstack ( Client * c )
{
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c - > snext = c - > mon - > stack ;
c - > mon - > stack = c ;
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}
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void
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buttonpress ( XEvent * e )
{
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unsigned int i , x , click ;
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Arg arg = { 0 } ;
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Client * c ;
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Monitor * m ;
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XButtonPressedEvent * ev = & e - > xbutton ;
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click = ClkRootWin ;
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/* focus monitor if necessary */
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if ( ( m = wintomon ( ev - > window ) ) & & m ! = selmon ) {
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unfocus ( selmon - > sel , 1 ) ;
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selmon = m ;
focus ( NULL ) ;
}
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if ( ev - > window = = selmon - > barwin ) {
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i = x = 0 ;
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do
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x + = TEXTW ( tags [ i ] ) ;
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while ( ev - > x > = x & & + + i < LENGTH ( tags ) ) ;
if ( i < LENGTH ( tags ) ) {
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click = ClkTagBar ;
arg . ui = 1 < < i ;
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} else if ( ev - > x < x + TEXTW ( selmon - > ltsymbol ) )
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click = ClkLtSymbol ;
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else if ( ev - > x > selmon - > ww - ( int ) TEXTW ( stext ) )
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click = ClkStatusText ;
else
click = ClkWinTitle ;
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} else if ( ( c = wintoclient ( ev - > window ) ) ) {
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focus ( c ) ;
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restack ( selmon ) ;
XAllowEvents ( dpy , ReplayPointer , CurrentTime ) ;
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click = ClkClientWin ;
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}
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for ( i = 0 ; i < LENGTH ( buttons ) ; i + + )
if ( click = = buttons [ i ] . click & & buttons [ i ] . func & & buttons [ i ] . button = = ev - > button
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& & CLEANMASK ( buttons [ i ] . mask ) = = CLEANMASK ( ev - > state ) )
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buttons [ i ] . func ( click = = ClkTagBar & & buttons [ i ] . arg . i = = 0 ? & arg : & buttons [ i ] . arg ) ;
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}
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void
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checkotherwm ( void )
{
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xerrorxlib = XSetErrorHandler ( xerrorstart ) ;
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/* this causes an error if some other window manager is running */
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XSelectInput ( dpy , DefaultRootWindow ( dpy ) , SubstructureRedirectMask ) ;
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XSync ( dpy , False ) ;
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XSetErrorHandler ( xerror ) ;
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XSync ( dpy , False ) ;
}
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void
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cleanup ( void )
{
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Arg a = { . ui = ~ 0 } ;
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Layout foo = { " " , NULL } ;
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Monitor * m ;
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size_t i ;
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view ( & a ) ;
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selmon - > lt [ selmon - > sellt ] = & foo ;
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for ( m = mons ; m ; m = m - > next )
while ( m - > stack )
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unmanage ( m - > stack , 0 ) ;
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XUngrabKey ( dpy , AnyKey , AnyModifier , root ) ;
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while ( mons )
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cleanupmon ( mons ) ;
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for ( i = 0 ; i < CurLast ; i + + )
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drw_cur_free ( drw , cursor [ i ] ) ;
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for ( i = 0 ; i < LENGTH ( colors ) ; i + + )
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free ( scheme [ i ] ) ;
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free ( scheme ) ;
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XDestroyWindow ( dpy , wmcheckwin ) ;
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drw_free ( drw ) ;
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XSync ( dpy , False ) ;
XSetInputFocus ( dpy , PointerRoot , RevertToPointerRoot , CurrentTime ) ;
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XDeleteProperty ( dpy , root , netatom [ NetActiveWindow ] ) ;
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}
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void
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cleanupmon ( Monitor * mon )
{
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Monitor * m ;
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if ( mon = = mons )
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mons = mons - > next ;
else {
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for ( m = mons ; m & & m - > next ! = mon ; m = m - > next ) ;
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m - > next = mon - > next ;
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}
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XUnmapWindow ( dpy , mon - > barwin ) ;
XDestroyWindow ( dpy , mon - > barwin ) ;
free ( mon ) ;
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}
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void
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clientmessage ( XEvent * e )
{
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XClientMessageEvent * cme = & e - > xclient ;
Client * c = wintoclient ( cme - > window ) ;
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if ( ! c )
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return ;
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if ( cme - > message_type = = netatom [ NetWMState ] ) {
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if ( cme - > data . l [ 1 ] = = netatom [ NetWMFullscreen ]
| | cme - > data . l [ 2 ] = = netatom [ NetWMFullscreen ] )
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setfullscreen ( c , ( cme - > data . l [ 0 ] = = 1 /* _NET_WM_STATE_ADD */
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| | ( cme - > data . l [ 0 ] = = 2 /* _NET_WM_STATE_TOGGLE */ & & ! c - > isfullscreen ) ) ) ;
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} else if ( cme - > message_type = = netatom [ NetActiveWindow ] ) {
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if ( c ! = selmon - > sel & & ! c - > isurgent )
seturgent ( c , 1 ) ;
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}
}
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void
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configure ( Client * c )
{
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XConfigureEvent ce ;
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ce . type = ConfigureNotify ;
ce . display = dpy ;
ce . event = c - > win ;
ce . window = c - > win ;
ce . x = c - > x ;
ce . y = c - > y ;
ce . width = c - > w ;
ce . height = c - > h ;
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ce . border_width = c - > bw ;
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ce . above = None ;
ce . override_redirect = False ;
XSendEvent ( dpy , c - > win , False , StructureNotifyMask , ( XEvent * ) & ce ) ;
}
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void
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configurenotify ( XEvent * e )
{
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Monitor * m ;
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Client * c ;
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XConfigureEvent * ev = & e - > xconfigure ;
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int dirty ;
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/* TODO: updategeom handling sucks, needs to be simplified */
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if ( ev - > window = = root ) {
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dirty = ( sw ! = ev - > width | | sh ! = ev - > height ) ;
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sw = ev - > width ;
sh = ev - > height ;
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if ( updategeom ( ) | | dirty ) {
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drw_resize ( drw , sw , bh ) ;
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updatebars ( ) ;
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for ( m = mons ; m ; m = m - > next ) {
for ( c = m - > clients ; c ; c = c - > next )
if ( c - > isfullscreen )
resizeclient ( c , m - > mx , m - > my , m - > mw , m - > mh ) ;
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XMoveResizeWindow ( dpy , m - > barwin , m - > wx , m - > by , m - > ww , bh ) ;
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}
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focus ( NULL ) ;
arrange ( NULL ) ;
}
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}
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}
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void
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configurerequest ( XEvent * e )
{
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Client * c ;
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Monitor * m ;
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XConfigureRequestEvent * ev = & e - > xconfigurerequest ;
XWindowChanges wc ;
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if ( ( c = wintoclient ( ev - > window ) ) ) {
if ( ev - > value_mask & CWBorderWidth )
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c - > bw = ev - > border_width ;
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else if ( c - > isfloating | | ! selmon - > lt [ selmon - > sellt ] - > arrange ) {
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m = c - > mon ;
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if ( ev - > value_mask & CWX ) {
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c - > oldx = c - > x ;
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c - > x = m - > mx + ev - > x ;
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}
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if ( ev - > value_mask & CWY ) {
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c - > oldy = c - > y ;
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c - > y = m - > my + ev - > y ;
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}
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if ( ev - > value_mask & CWWidth ) {
2011-07-20 18:30:51 +00:00
c - > oldw = c - > w ;
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c - > w = ev - > width ;
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}
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if ( ev - > value_mask & CWHeight ) {
2011-07-20 18:30:51 +00:00
c - > oldh = c - > h ;
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c - > h = ev - > height ;
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}
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if ( ( c - > x + c - > w ) > m - > mx + m - > mw & & c - > isfloating )
2011-07-20 18:33:19 +00:00
c - > x = m - > mx + ( m - > mw / 2 - WIDTH ( c ) / 2 ) ; /* center in x direction */
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if ( ( c - > y + c - > h ) > m - > my + m - > mh & & c - > isfloating )
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c - > y = m - > my + ( m - > mh / 2 - HEIGHT ( c ) / 2 ) ; /* center in y direction */
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if ( ( ev - > value_mask & ( CWX | CWY ) ) & & ! ( ev - > value_mask & ( CWWidth | CWHeight ) ) )
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configure ( c ) ;
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if ( ISVISIBLE ( c ) )
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XMoveResizeWindow ( dpy , c - > win , c - > x , c - > y , c - > w , c - > h ) ;
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} else
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configure ( c ) ;
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} else {
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wc . x = ev - > x ;
wc . y = ev - > y ;
wc . width = ev - > width ;
wc . height = ev - > height ;
wc . border_width = ev - > border_width ;
wc . sibling = ev - > above ;
wc . stack_mode = ev - > detail ;
XConfigureWindow ( dpy , ev - > window , ev - > value_mask , & wc ) ;
}
XSync ( dpy , False ) ;
}
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Monitor *
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createmon ( void )
{
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Monitor * m ;
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unsigned int i ;
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2015-10-20 21:30:31 +00:00
m = ecalloc ( 1 , sizeof ( Monitor ) ) ;
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m - > tagset [ 0 ] = m - > tagset [ 1 ] = 1 ;
m - > mfact = mfact ;
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m - > nmaster = nmaster ;
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m - > showbar = showbar ;
m - > topbar = topbar ;
m - > lt [ 0 ] = & layouts [ 0 ] ;
m - > lt [ 1 ] = & layouts [ 1 % LENGTH ( layouts ) ] ;
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strncpy ( m - > ltsymbol , layouts [ 0 ] . symbol , sizeof m - > ltsymbol ) ;
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m - > pertag = ecalloc ( 1 , sizeof ( Pertag ) ) ;
m - > pertag - > curtag = m - > pertag - > prevtag = 1 ;
for ( i = 0 ; i < = LENGTH ( tags ) ; i + + ) {
m - > pertag - > nmasters [ i ] = m - > nmaster ;
m - > pertag - > mfacts [ i ] = m - > mfact ;
m - > pertag - > ltidxs [ i ] [ 0 ] = m - > lt [ 0 ] ;
m - > pertag - > ltidxs [ i ] [ 1 ] = m - > lt [ 1 ] ;
m - > pertag - > sellts [ i ] = m - > sellt ;
m - > pertag - > showbars [ i ] = m - > showbar ;
if ( i > 0 ) {
m - > pertag - > drawwithgaps [ i ] = startwithgaps [ ( i - 1 ) % LENGTH ( gappx ) ] ;
m - > pertag - > gappx [ i ] = gappx [ ( i - 1 ) % LENGTH ( gappx ) ] ;
}
}
m - > pertag - > drawwithgaps [ 0 ] = startwithgaps [ 0 ] ;
m - > pertag - > gappx [ 0 ] = gappx [ 0 ] ;
2009-09-21 18:51:17 +00:00
return m ;
}
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void
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destroynotify ( XEvent * e )
{
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Client * c ;
XDestroyWindowEvent * ev = & e - > xdestroywindow ;
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if ( ( c = wintoclient ( ev - > window ) ) )
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unmanage ( c , 1 ) ;
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}
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void
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detach ( Client * c )
{
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Client * * tc ;
2008-06-11 08:12:06 +00:00
2015-11-08 22:11:48 +00:00
for ( tc = & c - > mon - > clients ; * tc & & * tc ! = c ; tc = & ( * tc ) - > next ) ;
2008-07-03 09:58:35 +00:00
* tc = c - > next ;
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}
2007-09-15 20:25:27 +00:00
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
detachstack ( Client * c )
{
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Client * * tc , * t ;
2007-09-16 09:53:14 +00:00
2015-11-08 22:11:48 +00:00
for ( tc = & c - > mon - > stack ; * tc & & * tc ! = c ; tc = & ( * tc ) - > snext ) ;
2007-09-16 09:53:14 +00:00
* tc = c - > snext ;
2009-06-30 18:39:59 +00:00
2015-11-08 22:11:48 +00:00
if ( c = = c - > mon - > sel ) {
for ( t = c - > mon - > stack ; t & & ! ISVISIBLE ( t ) ; t = t - > snext ) ;
2009-06-30 18:45:25 +00:00
c - > mon - > sel = t ;
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}
2007-09-16 09:53:14 +00:00
}
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Monitor *
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dirtomon ( int dir )
{
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Monitor * m = NULL ;
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if ( dir > 0 ) {
if ( ! ( m = selmon - > next ) )
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m = mons ;
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} else if ( selmon = = mons )
for ( m = mons ; m - > next ; m = m - > next ) ;
2011-07-27 17:59:10 +00:00
else
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for ( m = mons ; m - > next ! = selmon ; m = m - > next ) ;
2009-07-02 19:37:26 +00:00
return m ;
}
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void
2015-11-08 22:11:48 +00:00
drawbar ( Monitor * m )
{
2020-04-22 14:48:27 +00:00
int x , w , tw = 0 ;
2016-05-22 20:33:56 +00:00
int boxs = drw - > fonts - > h / 9 ;
int boxw = drw - > fonts - > h / 6 + 2 ;
2009-09-16 14:59:54 +00:00
unsigned int i , occ = 0 , urg = 0 ;
2008-08-04 16:39:36 +00:00
Client * c ;
2021-12-18 16:58:23 +00:00
if ( ! m - > showbar )
return ;
2016-05-22 20:33:56 +00:00
/* 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 ] ) ;
2020-04-22 14:48:27 +00:00
tw = TEXTW ( stext ) - lrpad + 2 ; /* 2px right padding */
drw_text ( drw , m - > ww - tw , 0 , tw , bh , 0 , stext , 0 ) ;
2016-05-22 20:33:56 +00:00
}
2015-10-20 21:34:49 +00:00
2015-11-08 22:11:48 +00:00
for ( c = m - > clients ; c ; c = c - > next ) {
2009-06-23 16:17:25 +00:00
occ | = c - > tags ;
2015-11-08 22:11:48 +00:00
if ( c - > isurgent )
2009-06-23 16:17:25 +00:00
urg | = c - > tags ;
2008-08-04 16:39:36 +00:00
}
2013-06-16 13:20:29 +00:00
x = 0 ;
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for ( i = 0 ; i < LENGTH ( tags ) ; i + + ) {
2013-06-16 13:20:29 +00:00
w = TEXTW ( tags [ i ] ) ;
2016-05-22 20:33:56 +00:00
drw_setscheme ( drw , scheme [ m - > tagset [ m - > seltags ] & 1 < < i ? SchemeSel : SchemeNorm ] ) ;
drw_text ( drw , x , 0 , w , bh , lrpad / 2 , tags [ i ] , urg & 1 < < i ) ;
if ( occ & 1 < < i )
drw_rect ( drw , x + boxs , boxs , boxw , boxw ,
2017-05-08 19:08:27 +00:00
m = = selmon & & selmon - > sel & & selmon - > sel - > tags & 1 < < i ,
urg & 1 < < i ) ;
2013-06-16 13:20:29 +00:00
x + = w ;
2008-02-21 10:31:06 +00:00
}
2022-08-15 12:31:22 +00:00
w = TEXTW ( m - > ltsymbol ) ;
2016-05-22 20:33:56 +00:00
drw_setscheme ( drw , scheme [ SchemeNorm ] ) ;
x = drw_text ( drw , x , 0 , w , bh , lrpad / 2 , m - > ltsymbol , 0 ) ;
2020-04-22 14:48:27 +00:00
if ( ( w = m - > ww - tw - x ) > bh ) {
2015-11-08 22:11:48 +00:00
if ( m - > sel ) {
2016-05-22 20:33:56 +00:00
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 ) ;
2015-11-08 22:11:48 +00:00
} else {
2016-05-22 20:33:56 +00:00
drw_setscheme ( drw , scheme [ SchemeNorm ] ) ;
drw_rect ( drw , x , 0 , w , bh , 1 , 1 ) ;
2009-06-24 12:51:45 +00:00
}
2009-06-20 14:10:04 +00:00
}
2013-06-16 13:20:29 +00:00
drw_map ( drw , m - > barwin , 0 , 0 , m - > ww , bh ) ;
2007-09-15 20:25:27 +00:00
}
2009-06-20 14:10:04 +00:00
void
2015-11-08 22:11:48 +00:00
drawbars ( void )
{
2009-06-22 13:58:08 +00:00
Monitor * m ;
2009-06-20 14:10:04 +00:00
2015-11-08 22:11:48 +00:00
for ( m = mons ; m ; m = m - > next )
2009-06-22 13:58:08 +00:00
drawbar ( m ) ;
2009-06-20 14:10:04 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
enternotify ( XEvent * e )
{
2011-06-25 08:07:28 +00:00
Client * c ;
2009-06-27 17:39:03 +00:00
Monitor * m ;
2007-09-16 09:53:14 +00:00
XCrossingEvent * ev = & e - > xcrossing ;
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if ( ( ev - > mode ! = NotifyNormal | | ev - > detail = = NotifyInferior ) & & ev - > window ! = root )
2008-02-28 20:02:57 +00:00
return ;
2011-06-25 08:07:28 +00:00
c = wintoclient ( ev - > window ) ;
2011-07-10 20:22:22 +00:00
m = c ? c - > mon : wintomon ( ev - > window ) ;
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if ( m ! = selmon ) {
2015-11-08 21:48:43 +00:00
unfocus ( selmon - > sel , 1 ) ;
2009-06-27 17:39:03 +00:00
selmon = m ;
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} else if ( ! c | | c = = selmon - > sel )
2011-06-25 08:07:28 +00:00
return ;
2011-07-10 20:22:22 +00:00
focus ( c ) ;
2007-09-15 20:25:27 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
expose ( XEvent * e )
{
2009-06-22 13:58:08 +00:00
Monitor * m ;
2007-09-16 09:53:14 +00:00
XExposeEvent * ev = & e - > xexpose ;
2007-09-15 20:25:27 +00:00
2015-11-08 22:11:48 +00:00
if ( ev - > count = = 0 & & ( m = wintomon ( ev - > window ) ) )
2009-06-27 17:39:03 +00:00
drawbar ( m ) ;
2008-02-28 21:38:53 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
focus ( Client * c )
{
if ( ! c | | ! ISVISIBLE ( c ) )
for ( c = selmon - > stack ; c & & ! ISVISIBLE ( c ) ; c = c - > snext ) ;
if ( selmon - > sel & & selmon - > sel ! = c )
2015-11-08 21:48:43 +00:00
unfocus ( selmon - > sel , 0 ) ;
2015-11-08 22:11:48 +00:00
if ( c ) {
if ( c - > mon ! = selmon )
2009-06-24 14:37:32 +00:00
selmon = c - > mon ;
2015-11-08 22:11:48 +00:00
if ( c - > isurgent )
2016-12-05 09:16:46 +00:00
seturgent ( c , 0 ) ;
2007-09-16 09:53:14 +00:00
detachstack ( c ) ;
attachstack ( c ) ;
2015-11-08 21:48:43 +00:00
grabbuttons ( c , 1 ) ;
2016-05-22 20:33:56 +00:00
XSetWindowBorder ( dpy , c - > win , scheme [ SchemeSel ] [ ColBorder ] . pixel ) ;
2024-05-30 19:39:43 +00:00
if ( ! selmon - > pertag - > drawwithgaps [ selmon - > pertag - > curtag ] & & ! c - > isfloating ) {
XWindowChanges wc ;
wc . sibling = selmon - > barwin ;
wc . stack_mode = Below ;
XConfigureWindow ( dpy , c - > win , CWSibling | CWStackMode , & wc ) ;
}
2011-04-12 20:19:32 +00:00
setfocus ( c ) ;
2015-11-08 22:11:48 +00:00
} else {
2008-02-18 16:47:16 +00:00
XSetInputFocus ( dpy , root , RevertToPointerRoot , CurrentTime ) ;
2012-03-25 15:46:03 +00:00
XDeleteProperty ( dpy , root , netatom [ NetActiveWindow ] ) ;
}
2009-06-23 16:17:25 +00:00
selmon - > sel = c ;
2009-06-20 14:10:04 +00:00
drawbars ( ) ;
2007-09-15 20:25:27 +00:00
}
2017-01-07 16:21:28 +00:00
/* there are some broken focus acquiring clients needing extra handling */
2007-11-17 18:59:13 +00:00
void
2015-11-08 22:11:48 +00:00
focusin ( XEvent * e )
{
2007-11-17 18:59:13 +00:00
XFocusChangeEvent * ev = & e - > xfocus ;
2015-11-08 22:11:48 +00:00
if ( selmon - > sel & & ev - > window ! = selmon - > sel - > win )
2011-04-12 20:19:32 +00:00
setfocus ( selmon - > sel ) ;
2007-11-17 18:59:13 +00:00
}
2009-06-20 14:10:04 +00:00
void
2015-11-08 22:11:48 +00:00
focusmon ( const Arg * arg )
{
2010-09-25 13:39:08 +00:00
Monitor * m ;
2009-06-27 17:50:50 +00:00
2015-11-08 22:11:48 +00:00
if ( ! mons - > next )
2009-06-27 17:50:50 +00:00
return ;
2015-11-08 22:11:48 +00:00
if ( ( m = dirtomon ( arg - > i ) ) = = selmon )
2010-03-31 23:14:15 +00:00
return ;
2017-01-07 16:21:28 +00:00
unfocus ( selmon - > sel , 0 ) ;
2009-06-27 17:50:50 +00:00
selmon = m ;
focus ( NULL ) ;
2009-06-20 14:10:04 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
focusstack ( const Arg * arg )
{
2008-06-11 08:12:06 +00:00
Client * c = NULL , * i ;
2007-09-15 20:25:27 +00:00
2021-07-12 21:44:16 +00:00
if ( ! selmon - > sel | | ( selmon - > sel - > isfullscreen & & lockfullscreen ) )
2007-09-16 09:53:14 +00:00
return ;
2015-11-08 22:11:48 +00:00
if ( arg - > i > 0 ) {
for ( c = selmon - > sel - > next ; c & & ! ISVISIBLE ( c ) ; c = c - > next ) ;
if ( ! c )
for ( c = selmon - > clients ; c & & ! ISVISIBLE ( c ) ; c = c - > next ) ;
} else {
for ( i = selmon - > clients ; i ! = selmon - > sel ; i = i - > next )
if ( ISVISIBLE ( i ) )
2008-06-11 08:12:06 +00:00
c = i ;
2015-11-08 22:11:48 +00:00
if ( ! c )
for ( ; i ; i = i - > next )
if ( ISVISIBLE ( i ) )
2008-06-11 08:12:06 +00:00
c = i ;
2007-09-16 09:53:14 +00:00
}
2015-11-08 22:11:48 +00:00
if ( c ) {
2007-09-16 09:53:14 +00:00
focus ( c ) ;
2009-06-20 14:10:04 +00:00
restack ( selmon ) ;
2007-09-16 09:53:14 +00:00
}
2007-09-15 20:25:27 +00:00
}
2011-11-06 19:30:06 +00:00
Atom
2015-11-08 22:11:48 +00:00
getatomprop ( Client * c , Atom prop )
{
2011-11-06 19:30:06 +00:00
int di ;
unsigned long dl ;
unsigned char * p = NULL ;
Atom da , atom = None ;
2015-11-08 22:11:48 +00:00
if ( XGetWindowProperty ( dpy , c - > win , prop , 0L , sizeof atom , False , XA_ATOM ,
2017-05-08 19:08:27 +00:00
& da , & di , & dl , & dl , & p ) = = Success & & p ) {
2011-11-06 19:30:06 +00:00
atom = * ( Atom * ) p ;
XFree ( p ) ;
}
return atom ;
}
2015-11-08 21:48:43 +00:00
int
2015-11-08 22:11:48 +00:00
getrootptr ( int * x , int * y )
{
2009-06-27 17:39:03 +00:00
int di ;
unsigned int dui ;
Window dummy ;
2009-07-02 17:40:04 +00:00
2015-11-08 21:48:43 +00:00
return XQueryPointer ( dpy , root , & dummy , & dummy , x , y , & di , & di , & dui ) ;
2009-06-27 17:39:03 +00:00
}
2007-09-17 14:42:37 +00:00
long
2015-11-08 22:11:48 +00:00
getstate ( Window w )
{
2010-05-30 09:02:56 +00:00
int format ;
2007-09-16 09:53:14 +00:00
long result = - 1 ;
unsigned char * p = NULL ;
2008-07-16 17:17:42 +00:00
unsigned long n , extra ;
2007-09-16 09:53:14 +00:00
Atom real ;
2007-09-15 20:25:27 +00:00
2015-11-08 22:11:48 +00:00
if ( XGetWindowProperty ( dpy , w , wmatom [ WMState ] , 0L , 2L , False , wmatom [ WMState ] ,
2017-05-08 19:08:27 +00:00
& real , & format , & n , & extra , ( unsigned char * * ) & p ) ! = Success )
2007-09-16 09:53:14 +00:00
return - 1 ;
2015-11-08 22:11:48 +00:00
if ( n ! = 0 )
2007-09-16 09:53:14 +00:00
result = * p ;
XFree ( p ) ;
return result ;
2007-09-15 20:25:27 +00:00
}
2015-11-08 21:48:43 +00:00
int
2015-11-08 22:11:48 +00:00
gettextprop ( Window w , Atom atom , char * text , unsigned int size )
{
2007-09-16 09:53:14 +00:00
char * * list = NULL ;
int n ;
XTextProperty name ;
2007-09-15 20:25:27 +00:00
2015-11-08 22:11:48 +00:00
if ( ! text | | size = = 0 )
2015-11-08 21:48:43 +00:00
return 0 ;
2007-09-16 09:53:14 +00:00
text [ 0 ] = ' \0 ' ;
2017-11-03 15:36:32 +00:00
if ( ! XGetTextProperty ( dpy , w , & name , atom ) | | ! name . nitems )
2015-11-08 21:48:43 +00:00
return 0 ;
2022-08-05 22:27:13 +00:00
if ( name . encoding = = XA_STRING ) {
2007-09-16 09:53:14 +00:00
strncpy ( text , ( char * ) name . value , size - 1 ) ;
2022-08-05 22:27:13 +00:00
} else if ( XmbTextPropertyToTextList ( dpy , & name , & list , & n ) > = Success & & n > 0 & & * list ) {
strncpy ( text , * list , size - 1 ) ;
XFreeStringList ( list ) ;
2007-09-16 09:53:14 +00:00
}
text [ size - 1 ] = ' \0 ' ;
XFree ( name . value ) ;
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return 1 ;
2007-09-15 20:25:27 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
grabbuttons ( Client * c , int focused )
{
2008-08-25 08:44:23 +00:00
updatenumlockmask ( ) ;
{
unsigned int i , j ;
unsigned int modifiers [ ] = { 0 , LockMask , numlockmask , numlockmask | LockMask } ;
XUngrabButton ( dpy , AnyButton , AnyModifier , c - > win ) ;
2017-01-07 16:21:29 +00:00
if ( ! focused )
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XGrabButton ( dpy , AnyButton , AnyModifier , c - > win , False ,
2017-05-08 19:08:27 +00:00
BUTTONMASK , GrabModeSync , GrabModeSync , None , None ) ;
2017-01-07 16:21:29 +00:00
for ( i = 0 ; i < LENGTH ( buttons ) ; i + + )
if ( buttons [ i ] . click = = ClkClientWin )
for ( j = 0 ; j < LENGTH ( modifiers ) ; j + + )
XGrabButton ( dpy , buttons [ i ] . button ,
2017-05-08 19:08:27 +00:00
buttons [ i ] . mask | modifiers [ j ] ,
c - > win , False , BUTTONMASK ,
GrabModeAsync , GrabModeSync , None , None ) ;
2008-08-25 08:44:23 +00:00
}
2007-09-16 09:53:14 +00:00
}
2007-11-10 18:16:11 +00:00
void
2015-11-08 22:11:48 +00:00
grabkeys ( void )
{
2008-08-25 08:44:23 +00:00
updatenumlockmask ( ) ;
2009-07-02 17:40:04 +00:00
{
2022-12-07 14:55:08 +00:00
unsigned int i , j , k ;
2008-08-23 08:31:28 +00:00
unsigned int modifiers [ ] = { 0 , LockMask , numlockmask , numlockmask | LockMask } ;
2022-12-07 14:55:08 +00:00
int start , end , skip ;
KeySym * syms ;
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XUngrabKey ( dpy , AnyKey , AnyModifier , root ) ;
2022-12-07 14:55:08 +00:00
XDisplayKeycodes ( dpy , & start , & end ) ;
syms = XGetKeyboardMapping ( dpy , start , end - start + 1 , & skip ) ;
if ( ! syms )
return ;
for ( k = start ; k < = end ; k + + )
for ( i = 0 ; i < LENGTH ( keys ) ; i + + )
/* skip modifier codes, we do that ourselves */
if ( keys [ i ] . keysym = = syms [ ( k - start ) * skip ] )
for ( j = 0 ; j < LENGTH ( modifiers ) ; j + + )
XGrabKey ( dpy , k ,
keys [ i ] . mod | modifiers [ j ] ,
root , True ,
GrabModeAsync , GrabModeAsync ) ;
XFree ( syms ) ;
2007-11-10 18:16:11 +00:00
}
}
2011-10-25 19:40:46 +00:00
void
2015-11-08 22:11:48 +00:00
incnmaster ( const Arg * arg )
{
2024-05-30 19:39:43 +00:00
selmon - > nmaster = selmon - > pertag - > nmasters [ selmon - > pertag - > curtag ] = MAX ( selmon - > nmaster + arg - > i , 0 ) ;
2011-10-25 19:40:46 +00:00
arrange ( selmon ) ;
}
2009-09-21 18:51:17 +00:00
# ifdef XINERAMA
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static int
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isuniquegeom ( XineramaScreenInfo * unique , size_t n , XineramaScreenInfo * info )
{
while ( n - - )
if ( unique [ n ] . x_org = = info - > x_org & & unique [ n ] . y_org = = info - > y_org
2012-07-08 07:43:11 +00:00
& & unique [ n ] . width = = info - > width & & unique [ n ] . height = = info - > height )
2015-11-08 21:48:43 +00:00
return 0 ;
return 1 ;
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}
# endif /* XINERAMA */
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
keypress ( XEvent * e )
{
2008-07-16 17:17:42 +00:00
unsigned int i ;
2007-09-16 09:53:14 +00:00
KeySym keysym ;
XKeyEvent * ev ;
ev = & e - > xkey ;
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keysym = XKeycodeToKeysym ( dpy , ( KeyCode ) ev - > keycode , 0 ) ;
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for ( i = 0 ; i < LENGTH ( keys ) ; i + + )
if ( keysym = = keys [ i ] . keysym
2009-07-14 15:26:04 +00:00
& & CLEANMASK ( keys [ i ] . mod ) = = CLEANMASK ( ev - > state )
& & keys [ i ] . func )
2008-06-11 08:12:06 +00:00
keys [ i ] . func ( & ( keys [ i ] . arg ) ) ;
2007-09-16 09:53:14 +00:00
}
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void
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killclient ( const Arg * arg )
{
if ( ! selmon - > sel )
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return ;
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if ( ! sendevent ( selmon - > sel , wmatom [ WMDelete ] ) ) {
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XGrabServer ( dpy ) ;
XSetErrorHandler ( xerrordummy ) ;
XSetCloseDownMode ( dpy , DestroyAll ) ;
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XKillClient ( dpy , selmon - > sel - > win ) ;
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XSync ( dpy , False ) ;
XSetErrorHandler ( xerror ) ;
XUngrabServer ( dpy ) ;
}
2007-09-15 20:25:27 +00:00
}
2007-09-17 14:42:37 +00:00
void
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manage ( Window w , XWindowAttributes * wa )
{
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Client * c , * t = NULL ;
2008-08-18 09:22:46 +00:00
Window trans = None ;
2007-09-16 09:53:14 +00:00
XWindowChanges wc ;
2007-09-15 20:25:27 +00:00
2015-10-20 21:30:31 +00:00
c = ecalloc ( 1 , sizeof ( Client ) ) ;
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c - > win = w ;
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/* geometry */
c - > x = c - > oldx = wa - > x ;
c - > y = c - > oldy = wa - > y ;
c - > w = c - > oldw = wa - > width ;
c - > h = c - > oldh = wa - > height ;
c - > oldbw = wa - > border_width ;
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updatetitle ( c ) ;
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if ( XGetTransientForHint ( dpy , w , & trans ) & & ( t = wintoclient ( trans ) ) ) {
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c - > mon = t - > mon ;
c - > tags = t - > tags ;
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} else {
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c - > mon = selmon ;
applyrules ( c ) ;
}
2011-11-06 19:30:06 +00:00
2022-08-11 09:15:55 +00:00
if ( c - > x + WIDTH ( c ) > c - > mon - > wx + c - > mon - > ww )
c - > x = c - > mon - > wx + c - > mon - > ww - WIDTH ( c ) ;
if ( c - > y + HEIGHT ( c ) > c - > mon - > wy + c - > mon - > wh )
c - > y = c - > mon - > wy + c - > mon - > wh - HEIGHT ( c ) ;
c - > x = MAX ( c - > x , c - > mon - > wx ) ;
2022-08-09 08:38:08 +00:00
c - > y = MAX ( c - > y , c - > mon - > wy ) ;
2011-11-06 19:30:06 +00:00
c - > bw = borderpx ;
2008-03-17 16:29:50 +00:00
wc . border_width = c - > bw ;
2007-09-16 09:53:14 +00:00
XConfigureWindow ( dpy , w , CWBorderWidth , & wc ) ;
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XSetWindowBorder ( dpy , w , scheme [ SchemeNorm ] [ ColBorder ] . pixel ) ;
2007-09-16 09:53:14 +00:00
configure ( c ) ; /* propagates border_width, if size doesn't change */
2011-11-02 12:01:28 +00:00
updatewindowtype ( c ) ;
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updatesizehints ( c ) ;
2011-04-12 20:19:32 +00:00
updatewmhints ( c ) ;
2008-02-23 23:11:27 +00:00
XSelectInput ( dpy , w , EnterWindowMask | FocusChangeMask | PropertyChangeMask | StructureNotifyMask ) ;
2015-11-08 21:48:43 +00:00
grabbuttons ( c , 0 ) ;
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if ( ! c - > isfloating )
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c - > isfloating = c - > oldstate = trans ! = None | | c - > isfixed ;
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if ( c - > isfloating )
2008-06-01 09:54:02 +00:00
XRaiseWindow ( dpy , c - > win ) ;
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attach ( c ) ;
attachstack ( c ) ;
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XChangeProperty ( dpy , root , netatom [ NetClientList ] , XA_WINDOW , 32 , PropModeAppend ,
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( unsigned char * ) & ( c - > win ) , 1 ) ;
2008-06-22 08:29:06 +00:00
XMoveResizeWindow ( dpy , c - > win , c - > x + 2 * sw , c - > y , c - > w , c - > h ) ; /* some windows require this */
2007-09-16 09:53:14 +00:00
setclientstate ( c , NormalState ) ;
2011-07-29 18:01:22 +00:00
if ( c - > mon = = selmon )
2015-11-08 21:48:43 +00:00
unfocus ( selmon - > sel , 0 ) ;
2011-07-29 18:01:22 +00:00
c - > mon - > sel = c ;
2009-09-27 09:31:14 +00:00
arrange ( c - > mon ) ;
2011-07-29 18:01:22 +00:00
XMapWindow ( dpy , c - > win ) ;
focus ( NULL ) ;
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}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
mappingnotify ( XEvent * e )
{
2007-09-16 09:53:14 +00:00
XMappingEvent * ev = & e - > xmapping ;
2007-09-15 20:25:27 +00:00
2007-09-16 09:53:14 +00:00
XRefreshKeyboardMapping ( ev ) ;
2015-11-08 22:11:48 +00:00
if ( ev - > request = = MappingKeyboard )
2007-11-10 18:16:11 +00:00
grabkeys ( ) ;
2007-09-15 20:25:27 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
maprequest ( XEvent * e )
{
2007-09-16 09:53:14 +00:00
static XWindowAttributes wa ;
XMapRequestEvent * ev = & e - > xmaprequest ;
2022-08-05 22:27:13 +00:00
if ( ! XGetWindowAttributes ( dpy , ev - > window , & wa ) | | wa . override_redirect )
2007-09-16 09:53:14 +00:00
return ;
2015-11-08 22:11:48 +00:00
if ( ! wintoclient ( ev - > window ) )
2007-09-16 09:53:14 +00:00
manage ( ev - > window , & wa ) ;
2007-09-15 20:25:27 +00:00
}
2008-06-19 10:38:53 +00:00
void
2015-11-08 22:11:48 +00:00
monocle ( Monitor * m )
{
2009-09-16 14:59:54 +00:00
unsigned int n = 0 ;
2008-06-19 10:38:53 +00:00
Client * c ;
2015-11-08 22:11:48 +00:00
for ( c = m - > clients ; c ; c = c - > next )
if ( ISVISIBLE ( c ) )
2009-09-16 14:59:54 +00:00
n + + ;
2015-11-08 22:11:48 +00:00
if ( n > 0 ) /* override layout symbol */
2009-09-22 08:53:11 +00:00
snprintf ( m - > ltsymbol , sizeof m - > ltsymbol , " [%d] " , n ) ;
2015-11-08 22:11:48 +00:00
for ( c = nexttiled ( m - > clients ) ; c ; c = nexttiled ( c - > next ) )
2024-05-30 19:39:43 +00:00
if ( selmon - > pertag - > drawwithgaps [ selmon - > pertag - > curtag ] )
resize ( c , m - > wx , m - > wy , m - > ww - 2 * c - > bw , m - > wh - 2 * c - > bw , 0 ) ;
else
resize ( c , m - > wx - c - > bw , m - > wy , m - > ww , m - > wh , False ) ;
2008-06-19 10:38:53 +00:00
}
2011-11-15 19:16:58 +00:00
void
2015-11-08 22:11:48 +00:00
motionnotify ( XEvent * e )
{
2011-11-15 19:16:58 +00:00
static Monitor * mon = NULL ;
Monitor * m ;
XMotionEvent * ev = & e - > xmotion ;
2015-11-08 22:11:48 +00:00
if ( ev - > window ! = root )
2011-11-15 19:16:58 +00:00
return ;
2015-11-08 22:11:48 +00:00
if ( ( m = recttomon ( ev - > x_root , ev - > y_root , 1 , 1 ) ) ! = mon & & mon ) {
2015-11-08 21:48:43 +00:00
unfocus ( selmon - > sel , 1 ) ;
2011-11-15 19:16:58 +00:00
selmon = m ;
focus ( NULL ) ;
}
mon = m ;
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
movemouse ( const Arg * arg )
{
2009-06-27 17:39:03 +00:00
int x , y , ocx , ocy , nx , ny ;
2008-06-11 19:41:28 +00:00
Client * c ;
2009-06-27 17:39:03 +00:00
Monitor * m ;
2007-09-15 20:25:27 +00:00
XEvent ev ;
2014-08-11 05:24:29 +00:00
Time lasttime = 0 ;
2007-09-15 20:25:27 +00:00
2015-11-08 22:11:48 +00:00
if ( ! ( c = selmon - > sel ) )
2008-06-11 19:41:28 +00:00
return ;
2015-11-08 22:11:48 +00:00
if ( c - > isfullscreen ) /* no support moving fullscreen windows by mouse */
2012-06-23 07:06:00 +00:00
return ;
2009-06-20 14:10:04 +00:00
restack ( selmon ) ;
2008-08-18 17:23:39 +00:00
ocx = c - > x ;
ocy = c - > y ;
2015-11-08 22:11:48 +00:00
if ( XGrabPointer ( dpy , root , False , MOUSEMASK , GrabModeAsync , GrabModeAsync ,
2017-05-08 19:08:27 +00:00
None , cursor [ CurMove ] - > cursor , CurrentTime ) ! = GrabSuccess )
2007-09-15 20:25:27 +00:00
return ;
2015-11-08 22:11:48 +00:00
if ( ! getrootptr ( & x , & y ) )
2009-06-27 17:39:03 +00:00
return ;
2008-08-18 17:23:39 +00:00
do {
2008-02-23 23:11:27 +00:00
XMaskEvent ( dpy , MOUSEMASK | ExposureMask | SubstructureRedirectMask , & ev ) ;
2011-05-12 14:16:33 +00:00
switch ( ev . type ) {
2007-09-16 09:53:14 +00:00
case ConfigureRequest :
case Expose :
case MapRequest :
handler [ ev . type ] ( & ev ) ;
break ;
case MotionNotify :
2014-08-11 05:24:29 +00:00
if ( ( ev . xmotion . time - lasttime ) < = ( 1000 / 60 ) )
continue ;
lasttime = ev . xmotion . time ;
2008-07-16 17:33:51 +00:00
nx = ocx + ( ev . xmotion . x - x ) ;
ny = ocy + ( ev . xmotion . y - y ) ;
2017-01-07 16:21:30 +00:00
if ( abs ( selmon - > wx - nx ) < snap )
nx = selmon - > wx ;
else if ( abs ( ( selmon - > wx + selmon - > ww ) - ( nx + WIDTH ( c ) ) ) < snap )
nx = selmon - > wx + selmon - > ww - WIDTH ( c ) ;
if ( abs ( selmon - > wy - ny ) < snap )
ny = selmon - > wy ;
else if ( abs ( ( selmon - > wy + selmon - > wh ) - ( ny + HEIGHT ( c ) ) ) < snap )
ny = selmon - > wy + selmon - > wh - HEIGHT ( c ) ;
if ( ! c - > isfloating & & selmon - > lt [ selmon - > sellt ] - > arrange
& & ( abs ( nx - c - > x ) > snap | | abs ( ny - c - > y ) > snap ) )
togglefloating ( NULL ) ;
2015-11-08 22:11:48 +00:00
if ( ! selmon - > lt [ selmon - > sellt ] - > arrange | | c - > isfloating )
2015-11-08 21:48:43 +00:00
resize ( c , nx , ny , c - > w , c - > h , 1 ) ;
2007-09-16 09:53:14 +00:00
break ;
}
2015-11-08 22:11:48 +00:00
} while ( ev . type ! = ButtonRelease ) ;
2008-08-18 17:23:39 +00:00
XUngrabPointer ( dpy , CurrentTime ) ;
2015-11-08 22:11:48 +00:00
if ( ( m = recttomon ( c - > x , c - > y , c - > w , c - > h ) ) ! = selmon ) {
2009-06-27 17:39:03 +00:00
sendmon ( c , m ) ;
2009-06-30 14:51:09 +00:00
selmon = m ;
focus ( NULL ) ;
}
2007-09-16 09:53:14 +00:00
}
2007-09-17 14:42:37 +00:00
Client *
2015-11-08 22:11:48 +00:00
nexttiled ( Client * c )
{
for ( ; c & & ( c - > isfloating | | ! ISVISIBLE ( c ) ) ; c = c - > next ) ;
2007-09-16 09:53:14 +00:00
return c ;
2007-09-15 20:25:27 +00:00
}
2011-04-15 08:12:20 +00:00
void
2015-11-08 22:11:48 +00:00
pop ( Client * c )
{
2011-04-15 08:12:20 +00:00
detach ( c ) ;
attach ( c ) ;
focus ( c ) ;
arrange ( c - > mon ) ;
2009-06-30 18:39:59 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
propertynotify ( XEvent * e )
{
2007-09-16 09:53:14 +00:00
Client * c ;
Window trans ;
XPropertyEvent * ev = & e - > xproperty ;
2007-09-15 20:25:27 +00:00
2015-11-08 22:11:48 +00:00
if ( ( ev - > window = = root ) & & ( ev - > atom = = XA_WM_NAME ) )
2008-12-12 19:49:06 +00:00
updatestatus ( ) ;
2015-11-08 22:11:48 +00:00
else if ( ev - > state = = PropertyDelete )
2007-09-16 09:53:14 +00:00
return ; /* ignore */
2015-11-08 22:11:48 +00:00
else if ( ( c = wintoclient ( ev - > window ) ) ) {
2011-05-12 14:16:33 +00:00
switch ( ev - > atom ) {
2008-02-21 10:31:06 +00:00
default : break ;
case XA_WM_TRANSIENT_FOR :
2015-11-08 22:11:48 +00:00
if ( ! c - > isfloating & & ( XGetTransientForHint ( dpy , c - > win , & trans ) ) & &
2017-05-08 19:08:27 +00:00
( c - > isfloating = ( wintoclient ( trans ) ) ! = NULL ) )
2009-09-27 09:31:14 +00:00
arrange ( c - > mon ) ;
2008-02-21 10:31:06 +00:00
break ;
case XA_WM_NORMAL_HINTS :
manage: propertynotify: Reduce cost of unused size hints
This patch defers all size hint calculations until they are actually
needed, drastically reducing the number of calls to updatesizehints(),
which can be expensive when called repeatedly (as it currently is during
resizes).
In my unscientific testing this reduces calls to updatesizehints() by
over 90% during a typical work session. There are no functional changes
for users other than an increase in responsiveness after resizes and
a reduction in CPU time.
In slower environments or X servers, this patch also offers an
improvement in responsiveness that is often tangible after resizing a
client that changes hints during resizes.
There are two main motivations to defer this work to the time of hint
application:
1. Some clients, especially terminals using incremental size hints,
resend XA_WM_NORMAL_HINTS events on resize to avoid fighting with the
WM or mouse resizing. For example, some terminals like urxvt clear
PBaseSize and PResizeInc during XResizeWindow and restore them
afterwards.
For this reason, after the resize is concluded, we typically receive
a backlogged XA_WM_NORMAL_HINTS message for each update period with
movement, which is useless. In some cases one may get hundreds or
thousands of XA_WM_NORMAL_HINTS messages on large resizes, and
currently all of these result in a separate updatesizehints() call,
of which all but the final one are immediately outdated.
(We can't just blindly discard these messages during resizes like we
do for EnterNotify, because some of them might actually be for other
windows, and may not be XA_WM_NORMAL_HINTS events.)
2. For users which use resizehints=0 most of these updates are unused
anyway -- in the normal case where the client is not floating these
values won't be used, so there's no need to calculate them up front.
A synthetic test using the mouse to resize a floating terminal window
from roughly 256x256 to 1024x1024 and back again shows that the number
of calls to updatesizehints() goes from over 500 before this patch (one
for each update interval with movement) to 2 after this patch (one for
each hint application), with no change in user visible behaviour.
This also reduces the delay before dwm is ready to process new events
again after a large resize on such a client, as it avoids the thundering
herd of updatesizehints() calls when hundreds of backlogged
XA_WM_NORMAL_HINTS messages appear at once after a resize is finished.
2022-03-17 15:56:13 +00:00
c - > hintsvalid = 0 ;
2008-02-21 10:31:06 +00:00
break ;
case XA_WM_HINTS :
updatewmhints ( c ) ;
2009-06-20 14:10:04 +00:00
drawbars ( ) ;
2008-02-21 10:31:06 +00:00
break ;
2007-09-16 09:53:14 +00:00
}
2015-11-08 22:11:48 +00:00
if ( ev - > atom = = XA_WM_NAME | | ev - > atom = = netatom [ NetWMName ] ) {
2007-09-16 09:53:14 +00:00
updatetitle ( c ) ;
2015-11-08 22:11:48 +00:00
if ( c = = c - > mon - > sel )
2009-08-18 14:59:38 +00:00
drawbar ( c - > mon ) ;
2007-09-16 09:53:14 +00:00
}
2015-11-08 22:11:48 +00:00
if ( ev - > atom = = netatom [ NetWMWindowType ] )
2011-11-02 12:01:28 +00:00
updatewindowtype ( c ) ;
2007-09-16 09:53:14 +00:00
}
2007-09-15 20:25:27 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
quit ( const Arg * arg )
{
2015-11-08 21:48:43 +00:00
running = 0 ;
2007-09-15 20:25:27 +00:00
}
2011-11-06 19:31:29 +00:00
Monitor *
2015-11-08 22:11:48 +00:00
recttomon ( int x , int y , int w , int h )
{
2011-11-06 19:31:29 +00:00
Monitor * m , * r = selmon ;
int a , area = 0 ;
2015-11-08 22:11:48 +00:00
for ( m = mons ; m ; m = m - > next )
if ( ( a = INTERSECT ( x , y , w , h , m ) ) > area ) {
2011-11-06 19:31:29 +00:00
area = a ;
r = m ;
}
return r ;
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
resize ( Client * c , int x , int y , int w , int h , int interact )
{
if ( applysizehints ( c , & x , & y , & w , & h , interact ) )
2010-05-30 09:02:56 +00:00
resizeclient ( c , x , y , w , h ) ;
}
void
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resizeclient ( Client * c , int x , int y , int w , int h )
{
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XWindowChanges wc ;
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2010-05-30 09:02:56 +00:00
c - > oldx = c - > x ; c - > x = wc . x = x ;
c - > oldy = c - > y ; c - > y = wc . y = y ;
c - > oldw = c - > w ; c - > w = wc . width = w ;
c - > oldh = c - > h ; c - > h = wc . height = h ;
wc . border_width = c - > bw ;
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if ( ! selmon - > pertag - > drawwithgaps [ selmon - > pertag - > curtag ] & & /* this is the noborderfloatingfix patch, slightly modified so that it will work if, and only if, gaps are disabled. */
( ( ( nexttiled ( c - > mon - > clients ) = = c & & ! nexttiled ( c - > next ) ) /* these two first lines are the only ones changed. if you are manually patching and have noborder installed already, just change these lines; or conversely, just remove this section if the noborder patch is not desired;) */
| | & monocle = = c - > mon - > lt [ c - > mon - > sellt ] - > arrange ) )
& & ! c - > isfullscreen & & ! c - > isfloating
& & NULL ! = c - > mon - > lt [ c - > mon - > sellt ] - > arrange ) {
c - > w = wc . width + = c - > bw * 2 ;
c - > h = wc . height + = c - > bw * 2 ;
wc . border_width = 0 ;
}
2010-05-30 09:02:56 +00:00
XConfigureWindow ( dpy , c - > win , CWX | CWY | CWWidth | CWHeight | CWBorderWidth , & wc ) ;
configure ( c ) ;
XSync ( dpy , False ) ;
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}
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void
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resizemouse ( const Arg * arg )
{
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int ocx , ocy , nw , nh ;
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Client * c ;
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Monitor * m ;
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XEvent ev ;
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Time lasttime = 0 ;
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2015-11-08 22:11:48 +00:00
if ( ! ( c = selmon - > sel ) )
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return ;
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if ( c - > isfullscreen ) /* no support resizing fullscreen windows by mouse */
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return ;
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restack ( selmon ) ;
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ocx = c - > x ;
ocy = c - > y ;
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if ( XGrabPointer ( dpy , root , False , MOUSEMASK , GrabModeAsync , GrabModeAsync ,
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None , cursor [ CurResize ] - > cursor , CurrentTime ) ! = GrabSuccess )
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return ;
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XWarpPointer ( dpy , None , c - > win , 0 , 0 , 0 , 0 , c - > w + c - > bw - 1 , c - > h + c - > bw - 1 ) ;
2008-08-18 18:19:15 +00:00
do {
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XMaskEvent ( dpy , MOUSEMASK | ExposureMask | SubstructureRedirectMask , & ev ) ;
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switch ( ev . type ) {
case ConfigureRequest :
case Expose :
case MapRequest :
handler [ ev . type ] ( & ev ) ;
break ;
case MotionNotify :
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if ( ( ev . xmotion . time - lasttime ) < = ( 1000 / 60 ) )
continue ;
lasttime = ev . xmotion . time ;
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nw = MAX ( ev . xmotion . x - ocx - 2 * c - > bw + 1 , 1 ) ;
nh = MAX ( ev . xmotion . y - ocy - 2 * c - > bw + 1 , 1 ) ;
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if ( c - > mon - > wx + nw > = selmon - > wx & & c - > mon - > wx + nw < = selmon - > wx + selmon - > ww
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& & c - > mon - > wy + nh > = selmon - > wy & & c - > mon - > wy + nh < = selmon - > wy + selmon - > wh )
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{
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if ( ! c - > isfloating & & selmon - > lt [ selmon - > sellt ] - > arrange
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& & ( abs ( nw - c - > w ) > snap | | abs ( nh - c - > h ) > snap ) )
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togglefloating ( NULL ) ;
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}
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if ( ! selmon - > lt [ selmon - > sellt ] - > arrange | | c - > isfloating )
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resize ( c , c - > x , c - > y , nw , nh , 1 ) ;
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break ;
}
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} while ( ev . type ! = ButtonRelease ) ;
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XWarpPointer ( dpy , None , c - > win , 0 , 0 , 0 , 0 , c - > w + c - > bw - 1 , c - > h + c - > bw - 1 ) ;
XUngrabPointer ( dpy , CurrentTime ) ;
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while ( XCheckMaskEvent ( dpy , EnterWindowMask , & ev ) ) ;
if ( ( m = recttomon ( c - > x , c - > y , c - > w , c - > h ) ) ! = selmon ) {
2009-06-27 17:39:03 +00:00
sendmon ( c , m ) ;
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selmon = m ;
focus ( NULL ) ;
}
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}
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void
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restack ( Monitor * m )
{
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Client * c ;
XEvent ev ;
XWindowChanges wc ;
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2009-09-27 09:31:14 +00:00
drawbar ( m ) ;
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if ( ! m - > sel )
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return ;
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if ( m - > sel - > isfloating | | ! m - > lt [ m - > sellt ] - > arrange )
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XRaiseWindow ( dpy , m - > sel - > win ) ;
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if ( m - > lt [ m - > sellt ] - > arrange ) {
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wc . stack_mode = Below ;
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wc . sibling = m - > barwin ;
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for ( c = m - > stack ; c ; c = c - > snext )
if ( ! c - > isfloating & & ISVISIBLE ( c ) ) {
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XConfigureWindow ( dpy , c - > win , CWSibling | CWStackMode , & wc ) ;
wc . sibling = c - > win ;
}
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}
XSync ( dpy , False ) ;
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while ( XCheckMaskEvent ( dpy , EnterWindowMask , & ev ) ) ;
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}
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void
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run ( void )
{
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XEvent ev ;
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/* main event loop */
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XSync ( dpy , False ) ;
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while ( running & & ! XNextEvent ( dpy , & ev ) )
if ( handler [ ev . type ] )
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handler [ ev . type ] ( & ev ) ; /* call handler */
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}
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void
runAutostart ( void ) {
system ( " cd ~/.dwm; ./autostart_blocking.sh " ) ;
system ( " cd ~/.dwm; ./autostart.sh & " ) ;
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
scan ( void )
{
2008-07-16 17:17:42 +00:00
unsigned int i , num ;
2008-08-18 09:14:51 +00:00
Window d1 , d2 , * wins = NULL ;
2007-09-15 20:25:27 +00:00
XWindowAttributes wa ;
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if ( XQueryTree ( dpy , root , & d1 , & d2 , & wins , & num ) ) {
for ( i = 0 ; i < num ; i + + ) {
if ( ! XGetWindowAttributes ( dpy , wins [ i ] , & wa )
2008-05-13 13:33:02 +00:00
| | wa . override_redirect | | XGetTransientForHint ( dpy , wins [ i ] , & d1 ) )
2008-02-18 16:47:16 +00:00
continue ;
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if ( wa . map_state = = IsViewable | | getstate ( wins [ i ] ) = = IconicState )
2008-02-18 16:47:16 +00:00
manage ( wins [ i ] , & wa ) ;
}
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for ( i = 0 ; i < num ; i + + ) { /* now the transients */
if ( ! XGetWindowAttributes ( dpy , wins [ i ] , & wa ) )
2008-02-18 16:47:16 +00:00
continue ;
2015-11-08 22:11:48 +00:00
if ( XGetTransientForHint ( dpy , wins [ i ] , & d1 )
2008-05-13 13:33:02 +00:00
& & ( wa . map_state = = IsViewable | | getstate ( wins [ i ] ) = = IconicState ) )
2008-02-18 16:47:16 +00:00
manage ( wins [ i ] , & wa ) ;
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}
2015-11-08 22:11:48 +00:00
if ( wins )
2008-08-18 09:14:51 +00:00
XFree ( wins ) ;
2007-09-15 20:25:27 +00:00
}
}
2009-06-27 17:39:03 +00:00
void
2015-11-08 22:11:48 +00:00
sendmon ( Client * c , Monitor * m )
{
if ( c - > mon = = m )
2009-06-27 17:39:03 +00:00
return ;
2015-11-08 21:48:43 +00:00
unfocus ( c , 1 ) ;
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detach ( c ) ;
detachstack ( c ) ;
c - > mon = m ;
c - > tags = m - > tagset [ m - > seltags ] ; /* assign tags of target monitor */
attach ( c ) ;
attachstack ( c ) ;
focus ( NULL ) ;
2009-09-27 09:31:14 +00:00
arrange ( NULL ) ;
2009-06-27 17:39:03 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
setclientstate ( Client * c , long state )
{
2009-07-02 19:56:23 +00:00
long data [ ] = { state , None } ;
2007-09-16 09:53:14 +00:00
XChangeProperty ( dpy , c - > win , wmatom [ WMState ] , wmatom [ WMState ] , 32 ,
2017-05-08 19:08:27 +00:00
PropModeReplace , ( unsigned char * ) data , 2 ) ;
2007-09-16 09:53:14 +00:00
}
2015-11-08 21:48:43 +00:00
int
2015-11-08 22:11:48 +00:00
sendevent ( Client * c , Atom proto )
{
2011-04-12 20:19:32 +00:00
int n ;
Atom * protocols ;
2015-11-08 21:48:43 +00:00
int exists = 0 ;
2011-04-12 20:19:32 +00:00
XEvent ev ;
2015-11-08 22:11:48 +00:00
if ( XGetWMProtocols ( dpy , c - > win , & protocols , & n ) ) {
while ( ! exists & & n - - )
2011-04-12 20:19:32 +00:00
exists = protocols [ n ] = = proto ;
XFree ( protocols ) ;
}
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if ( exists ) {
2011-04-12 20:19:32 +00:00
ev . type = ClientMessage ;
ev . xclient . window = c - > win ;
ev . xclient . message_type = wmatom [ WMProtocols ] ;
ev . xclient . format = 32 ;
ev . xclient . data . l [ 0 ] = proto ;
ev . xclient . data . l [ 1 ] = CurrentTime ;
XSendEvent ( dpy , c - > win , False , NoEventMask , & ev ) ;
}
return exists ;
}
void
2015-11-08 22:11:48 +00:00
setfocus ( Client * c )
{
if ( ! c - > neverfocus ) {
2011-04-12 20:19:32 +00:00
XSetInputFocus ( dpy , c - > win , RevertToPointerRoot , CurrentTime ) ;
2012-03-25 15:46:03 +00:00
XChangeProperty ( dpy , root , netatom [ NetActiveWindow ] ,
2017-05-08 19:08:27 +00:00
XA_WINDOW , 32 , PropModeReplace ,
( unsigned char * ) & ( c - > win ) , 1 ) ;
2012-03-25 15:46:03 +00:00
}
2011-04-12 20:19:32 +00:00
sendevent ( c , wmatom [ WMTakeFocus ] ) ;
}
2011-11-06 19:30:06 +00:00
void
2015-11-08 22:11:48 +00:00
setfullscreen ( Client * c , int fullscreen )
{
if ( fullscreen & & ! c - > isfullscreen ) {
2011-11-06 19:30:06 +00:00
XChangeProperty ( dpy , c - > win , netatom [ NetWMState ] , XA_ATOM , 32 ,
2017-05-08 19:08:27 +00:00
PropModeReplace , ( unsigned char * ) & netatom [ NetWMFullscreen ] , 1 ) ;
2015-11-08 21:48:43 +00:00
c - > isfullscreen = 1 ;
2011-11-06 19:30:06 +00:00
c - > oldstate = c - > isfloating ;
c - > oldbw = c - > bw ;
c - > bw = 0 ;
2015-11-08 21:48:43 +00:00
c - > isfloating = 1 ;
2011-11-06 19:30:06 +00:00
resizeclient ( c , c - > mon - > mx , c - > mon - > my , c - > mon - > mw , c - > mon - > mh ) ;
XRaiseWindow ( dpy , c - > win ) ;
2015-11-08 22:11:48 +00:00
} else if ( ! fullscreen & & c - > isfullscreen ) {
2011-11-06 19:30:06 +00:00
XChangeProperty ( dpy , c - > win , netatom [ NetWMState ] , XA_ATOM , 32 ,
2017-05-08 19:08:27 +00:00
PropModeReplace , ( unsigned char * ) 0 , 0 ) ;
2015-11-08 21:48:43 +00:00
c - > isfullscreen = 0 ;
2011-11-06 19:30:06 +00:00
c - > isfloating = c - > oldstate ;
c - > bw = c - > oldbw ;
c - > x = c - > oldx ;
c - > y = c - > oldy ;
c - > w = c - > oldw ;
c - > h = c - > oldh ;
resizeclient ( c , c - > x , c - > y , c - > w , c - > h ) ;
arrange ( c - > mon ) ;
}
}
2024-05-30 19:39:43 +00:00
void
setgaps ( const Arg * arg )
{
switch ( arg - > i )
{
case GAP_TOGGLE :
selmon - > pertag - > drawwithgaps [ selmon - > pertag - > curtag ] = ! selmon - > pertag - > drawwithgaps [ selmon - > pertag - > curtag ] ;
break ;
case GAP_RESET :
if ( selmon - > pertag - > curtag > 0 )
selmon - > pertag - > gappx [ selmon - > pertag - > curtag ] = gappx [ selmon - > pertag - > curtag - 1 % LENGTH ( gappx ) ] ;
else
selmon - > pertag - > gappx [ 0 ] = gappx [ 0 ] ;
break ;
default :
if ( selmon - > pertag - > gappx [ selmon - > pertag - > curtag ] + arg - > i < 0 )
selmon - > pertag - > gappx [ selmon - > pertag - > curtag ] = 0 ;
else
selmon - > pertag - > gappx [ selmon - > pertag - > curtag ] + = arg - > i ;
}
arrange ( selmon ) ;
}
2008-06-19 10:38:53 +00:00
void
2015-11-08 22:11:48 +00:00
setlayout ( const Arg * arg )
{
if ( ! arg | | ! arg - > v | | arg - > v ! = selmon - > lt [ selmon - > sellt ] )
2024-05-30 19:39:43 +00:00
selmon - > sellt = selmon - > pertag - > sellts [ selmon - > pertag - > curtag ] ^ = 1 ;
2015-11-08 22:11:48 +00:00
if ( arg & & arg - > v )
2024-05-30 19:39:43 +00:00
selmon - > lt [ selmon - > sellt ] = selmon - > pertag - > ltidxs [ selmon - > pertag - > curtag ] [ selmon - > sellt ] = ( Layout * ) arg - > v ;
2009-09-27 19:20:10 +00:00
strncpy ( selmon - > ltsymbol , selmon - > lt [ selmon - > sellt ] - > symbol , sizeof selmon - > ltsymbol ) ;
2015-11-08 22:11:48 +00:00
if ( selmon - > sel )
2009-09-27 09:31:14 +00:00
arrange ( selmon ) ;
2008-06-19 10:38:53 +00:00
else
2009-09-27 09:31:14 +00:00
drawbar ( selmon ) ;
2008-06-19 10:38:53 +00:00
}
2017-01-07 16:21:28 +00:00
/* arg > 1.0 will set mfact absolutely */
2008-05-19 19:07:12 +00:00
void
2015-11-08 22:11:48 +00:00
setmfact ( const Arg * arg )
{
2008-06-11 08:12:06 +00:00
float f ;
2008-05-19 19:07:12 +00:00
2015-11-08 22:11:48 +00:00
if ( ! arg | | ! selmon - > lt [ selmon - > sellt ] - > arrange )
2008-05-19 19:07:12 +00:00
return ;
2009-06-20 15:18:02 +00:00
f = arg - > f < 1.0 ? arg - > f + selmon - > mfact : arg - > f - 1.0 ;
2020-04-20 15:41:52 +00:00
if ( f < 0.05 | | f > 0.95 )
2008-05-22 10:04:19 +00:00
return ;
2024-05-30 19:39:43 +00:00
selmon - > mfact = selmon - > pertag - > mfacts [ selmon - > pertag - > curtag ] = f ;
2009-09-27 09:31:14 +00:00
arrange ( selmon ) ;
2008-05-19 19:07:12 +00:00
}
2007-09-17 14:42:37 +00:00
void
2015-11-08 22:11:48 +00:00
setup ( void )
{
2016-12-05 09:01:33 +00:00
int i ;
2007-09-15 20:25:27 +00:00
XSetWindowAttributes wa ;
2016-12-05 09:09:49 +00:00
Atom utf8string ;
2023-01-28 11:53:48 +00:00
struct sigaction sa ;
2008-03-03 21:40:37 +00:00
2023-01-28 11:53:48 +00:00
/* do not transform children into zombies when they terminate */
sigemptyset ( & sa . sa_mask ) ;
sa . sa_flags = SA_NOCLDSTOP | SA_NOCLDWAIT | SA_RESTART ;
sa . sa_handler = SIG_IGN ;
sigaction ( SIGCHLD , & sa , NULL ) ;
/* clean up any zombies (inherited from .xinitrc etc) immediately */
while ( waitpid ( - 1 , NULL , WNOHANG ) > 0 ) ;
2009-08-13 09:45:59 +00:00
2008-03-03 21:40:37 +00:00
/* init screen */
screen = DefaultScreen ( dpy ) ;
2008-03-14 17:17:08 +00:00
sw = DisplayWidth ( dpy , screen ) ;
sh = DisplayHeight ( dpy , screen ) ;
2015-03-06 04:26:11 +00:00
root = RootWindow ( dpy , screen ) ;
2013-06-16 13:20:29 +00:00
drw = drw_create ( dpy , screen , root , sw , sh ) ;
2016-05-22 20:33:56 +00:00
if ( ! drw_fontset_create ( drw , fonts , LENGTH ( fonts ) ) )
2016-08-12 12:35:25 +00:00
die ( " no fonts could be loaded. " ) ;
2016-05-22 20:33:56 +00:00
lrpad = drw - > fonts - > h ;
bh = drw - > fonts - > h + 2 ;
2008-05-11 19:20:53 +00:00
updategeom ( ) ;
2007-09-15 20:25:27 +00:00
/* init atoms */
2016-12-05 09:09:49 +00:00
utf8string = XInternAtom ( dpy , " UTF8_STRING " , False ) ;
2007-09-15 20:25:27 +00:00
wmatom [ WMProtocols ] = XInternAtom ( dpy , " WM_PROTOCOLS " , False ) ;
wmatom [ WMDelete ] = XInternAtom ( dpy , " WM_DELETE_WINDOW " , False ) ;
wmatom [ WMState ] = XInternAtom ( dpy , " WM_STATE " , False ) ;
2011-04-12 20:19:32 +00:00
wmatom [ WMTakeFocus ] = XInternAtom ( dpy , " WM_TAKE_FOCUS " , False ) ;
2011-05-12 14:16:33 +00:00
netatom [ NetActiveWindow ] = XInternAtom ( dpy , " _NET_ACTIVE_WINDOW " , False ) ;
2007-09-15 20:25:27 +00:00
netatom [ NetSupported ] = XInternAtom ( dpy , " _NET_SUPPORTED " , False ) ;
netatom [ NetWMName ] = XInternAtom ( dpy , " _NET_WM_NAME " , False ) ;
2010-05-27 07:19:08 +00:00
netatom [ NetWMState ] = XInternAtom ( dpy , " _NET_WM_STATE " , False ) ;
2016-12-05 09:09:49 +00:00
netatom [ NetWMCheck ] = XInternAtom ( dpy , " _NET_SUPPORTING_WM_CHECK " , False ) ;
2010-05-30 09:02:56 +00:00
netatom [ NetWMFullscreen ] = XInternAtom ( dpy , " _NET_WM_STATE_FULLSCREEN " , False ) ;
2011-11-02 12:01:28 +00:00
netatom [ NetWMWindowType ] = XInternAtom ( dpy , " _NET_WM_WINDOW_TYPE " , False ) ;
netatom [ NetWMWindowTypeDialog ] = XInternAtom ( dpy , " _NET_WM_WINDOW_TYPE_DIALOG " , False ) ;
2012-03-25 15:49:35 +00:00
netatom [ NetClientList ] = XInternAtom ( dpy , " _NET_CLIENT_LIST " , False ) ;
2007-09-15 20:25:27 +00:00
/* init cursors */
2013-06-16 13:20:29 +00:00
cursor [ CurNormal ] = drw_cur_create ( drw , XC_left_ptr ) ;
cursor [ CurResize ] = drw_cur_create ( drw , XC_sizing ) ;
cursor [ CurMove ] = drw_cur_create ( drw , XC_fleur ) ;
2008-02-18 17:08:22 +00:00
/* init appearance */
2017-11-03 20:20:48 +00:00
scheme = ecalloc ( LENGTH ( colors ) , sizeof ( Clr * ) ) ;
2016-12-05 09:01:33 +00:00
for ( i = 0 ; i < LENGTH ( colors ) ; i + + )
scheme [ i ] = drw_scm_create ( drw , colors [ i ] , 3 ) ;
2009-06-20 14:10:04 +00:00
/* init bars */
2009-06-22 13:58:08 +00:00
updatebars ( ) ;
2008-12-12 19:49:06 +00:00
updatestatus ( ) ;
2016-12-05 09:09:49 +00:00
/* supporting window for NetWMCheck */
wmcheckwin = XCreateSimpleWindow ( dpy , root , 0 , 0 , 1 , 1 , 0 , 0 , 0 ) ;
XChangeProperty ( dpy , wmcheckwin , netatom [ NetWMCheck ] , XA_WINDOW , 32 ,
2017-05-08 19:08:27 +00:00
PropModeReplace , ( unsigned char * ) & wmcheckwin , 1 ) ;
2016-12-05 09:09:49 +00:00
XChangeProperty ( dpy , wmcheckwin , netatom [ NetWMName ] , utf8string , 8 ,
2017-12-27 12:36:53 +00:00
PropModeReplace , ( unsigned char * ) " dwm " , 3 ) ;
2016-12-05 09:09:49 +00:00
XChangeProperty ( dpy , root , netatom [ NetWMCheck ] , XA_WINDOW , 32 ,
2017-05-08 19:08:27 +00:00
PropModeReplace , ( unsigned char * ) & wmcheckwin , 1 ) ;
2008-03-03 21:40:37 +00:00
/* EWMH support per view */
XChangeProperty ( dpy , root , netatom [ NetSupported ] , XA_ATOM , 32 ,
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PropModeReplace , ( unsigned char * ) netatom , NetLast ) ;
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XDeleteProperty ( dpy , root , netatom [ NetClientList ] ) ;
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/* select events */
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wa . cursor = cursor [ CurNormal ] - > cursor ;
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wa . event_mask = SubstructureRedirectMask | SubstructureNotifyMask
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| ButtonPressMask | PointerMotionMask | EnterWindowMask
| LeaveWindowMask | StructureNotifyMask | PropertyChangeMask ;
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XChangeWindowAttributes ( dpy , root , CWEventMask | CWCursor , & wa ) ;
XSelectInput ( dpy , root , wa . event_mask ) ;
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grabkeys ( ) ;
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focus ( NULL ) ;
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}
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void
seturgent ( Client * c , int urg )
{
XWMHints * wmh ;
c - > isurgent = urg ;
if ( ! ( wmh = XGetWMHints ( dpy , c - > win ) ) )
return ;
wmh - > flags = urg ? ( wmh - > flags | XUrgencyHint ) : ( wmh - > flags & ~ XUrgencyHint ) ;
XSetWMHints ( dpy , c - > win , wmh ) ;
XFree ( wmh ) ;
}
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void
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showhide ( Client * c )
{
if ( ! c )
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return ;
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if ( ISVISIBLE ( c ) ) {
/* show clients top down */
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XMoveWindow ( dpy , c - > win , c - > x , c - > y ) ;
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if ( ( ! c - > mon - > lt [ c - > mon - > sellt ] - > arrange | | c - > isfloating ) & & ! c - > isfullscreen )
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resize ( c , c - > x , c - > y , c - > w , c - > h , 0 ) ;
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showhide ( c - > snext ) ;
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} else {
/* hide clients bottom up */
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showhide ( c - > snext ) ;
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XMoveWindow ( dpy , c - > win , WIDTH ( c ) * - 2 , c - > y ) ;
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}
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}
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void
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spawn ( const Arg * arg )
{
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struct sigaction sa ;
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// if (arg->v == dmenucmd)
// dmenumon[0] = '0' + selmon->num;
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if ( fork ( ) = = 0 ) {
if ( dpy )
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close ( ConnectionNumber ( dpy ) ) ;
setsid ( ) ;
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sigemptyset ( & sa . sa_mask ) ;
sa . sa_flags = 0 ;
sa . sa_handler = SIG_DFL ;
sigaction ( SIGCHLD , & sa , NULL ) ;
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execvp ( ( ( char * * ) arg - > v ) [ 0 ] , ( char * * ) arg - > v ) ;
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die ( " dwm: execvp '%s' failed: " , ( ( char * * ) arg - > v ) [ 0 ] ) ;
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}
}
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void
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tag ( const Arg * arg )
{
if ( selmon - > sel & & arg - > ui & TAGMASK ) {
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selmon - > sel - > tags = arg - > ui & TAGMASK ;
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focus ( NULL ) ;
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arrange ( selmon ) ;
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}
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}
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void
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tagmon ( const Arg * arg )
{
if ( ! selmon - > sel | | ! mons - > next )
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return ;
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sendmon ( selmon - > sel , dirtomon ( arg - > i ) ) ;
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}
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void
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tile ( Monitor * m )
{
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unsigned int i , n , h , mw , my , ty ;
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Client * c ;
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for ( n = 0 , c = nexttiled ( m - > clients ) ; c ; c = nexttiled ( c - > next ) , n + + ) ;
if ( n = = 0 )
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return ;
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if ( m - > pertag - > drawwithgaps [ m - > pertag - > curtag ] ) { /* draw with fullgaps logic */
if ( n > m - > nmaster )
mw = m - > nmaster ? m - > ww * m - > mfact : 0 ;
else
mw = m - > ww - m - > pertag - > gappx [ m - > pertag - > curtag ] ;
for ( i = 0 , my = ty = m - > pertag - > gappx [ m - > pertag - > curtag ] , c = nexttiled ( m - > clients ) ; c ; c = nexttiled ( c - > next ) , i + + )
if ( i < m - > nmaster ) {
h = ( m - > wh - my ) / ( MIN ( n , m - > nmaster ) - i ) - m - > pertag - > gappx [ m - > pertag - > curtag ] ;
resize ( c , m - > wx + m - > pertag - > gappx [ m - > pertag - > curtag ] , m - > wy + my , mw - ( 2 * c - > bw ) - m - > pertag - > gappx [ m - > pertag - > curtag ] , h - ( 2 * c - > bw ) , 0 ) ;
if ( my + HEIGHT ( c ) + m - > pertag - > gappx [ m - > pertag - > curtag ] < m - > wh )
my + = HEIGHT ( c ) + m - > pertag - > gappx [ m - > pertag - > curtag ] ;
} else {
h = ( m - > wh - ty ) / ( n - i ) - m - > pertag - > gappx [ m - > pertag - > curtag ] ;
resize ( c , m - > wx + mw + m - > pertag - > gappx [ m - > pertag - > curtag ] , m - > wy + ty , m - > ww - mw - ( 2 * c - > bw ) - 2 * m - > pertag - > gappx [ m - > pertag - > curtag ] , h - ( 2 * c - > bw ) , 0 ) ;
if ( ty + HEIGHT ( c ) + m - > pertag - > gappx [ m - > pertag - > curtag ] < m - > wh )
ty + = HEIGHT ( c ) + m - > pertag - > gappx [ m - > pertag - > curtag ] ;
}
} else { /* draw with singularborders logic */
if ( n > m - > nmaster )
mw = m - > nmaster ? m - > ww * m - > mfact : 0 ;
else
mw = m - > ww ;
for ( i = my = ty = 0 , c = nexttiled ( m - > clients ) ; c ; c = nexttiled ( c - > next ) , i + + )
if ( i < m - > nmaster ) {
h = ( m - > wh - my ) / ( MIN ( n , m - > nmaster ) - i ) ;
if ( n = = 1 )
resize ( c , m - > wx - c - > bw , m - > wy , m - > ww , m - > wh , False ) ;
else
resize ( c , m - > wx - c - > bw , m - > wy + my , mw - c - > bw , h - c - > bw , False ) ;
my + = HEIGHT ( c ) - c - > bw ;
} else {
h = ( m - > wh - ty ) / ( n - i ) ;
resize ( c , m - > wx + mw - c - > bw , m - > wy + ty , m - > ww - mw , h - c - > bw , False ) ;
ty + = HEIGHT ( c ) - c - > bw ;
}
}
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}
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void
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togglebar ( const Arg * arg )
{
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selmon - > showbar = selmon - > pertag - > showbars [ selmon - > pertag - > curtag ] = ! selmon - > showbar ;
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updatebarpos ( selmon ) ;
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XMoveResizeWindow ( dpy , selmon - > barwin , selmon - > wx , selmon - > by , selmon - > ww , bh ) ;
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arrange ( selmon ) ;
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}
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void
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togglefloating ( const Arg * arg )
{
if ( ! selmon - > sel )
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return ;
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if ( selmon - > sel - > isfullscreen ) /* no support for fullscreen windows */
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return ;
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selmon - > sel - > isfloating = ! selmon - > sel - > isfloating | | selmon - > sel - > isfixed ;
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if ( selmon - > sel - > isfloating )
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resize ( selmon - > sel , selmon - > sel - > x , selmon - > sel - > y ,
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selmon - > sel - > w , selmon - > sel - > h , 0 ) ;
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arrange ( selmon ) ;
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}
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void
togglefullscr ( const Arg * arg )
{
if ( selmon - > sel )
setfullscreen ( selmon - > sel , ! selmon - > sel - > isfullscreen ) ;
}
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void
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toggletag ( const Arg * arg )
{
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unsigned int newtags ;
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if ( ! selmon - > sel )
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return ;
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newtags = selmon - > sel - > tags ^ ( arg - > ui & TAGMASK ) ;
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if ( newtags ) {
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selmon - > sel - > tags = newtags ;
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focus ( NULL ) ;
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arrange ( selmon ) ;
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}
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}
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void
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toggleview ( const Arg * arg )
{
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unsigned int newtagset = selmon - > tagset [ selmon - > seltags ] ^ ( arg - > ui & TAGMASK ) ;
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int i ;
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if ( newtagset ) {
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selmon - > tagset [ selmon - > seltags ] = newtagset ;
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if ( newtagset = = ~ 0 ) {
selmon - > pertag - > prevtag = selmon - > pertag - > curtag ;
selmon - > pertag - > curtag = 0 ;
}
/* test if the user did not select the same tag */
if ( ! ( newtagset & 1 < < ( selmon - > pertag - > curtag - 1 ) ) ) {
selmon - > pertag - > prevtag = selmon - > pertag - > curtag ;
for ( i = 0 ; ! ( newtagset & 1 < < i ) ; i + + ) ;
selmon - > pertag - > curtag = i + 1 ;
}
/* apply settings for this view */
selmon - > nmaster = selmon - > pertag - > nmasters [ selmon - > pertag - > curtag ] ;
selmon - > mfact = selmon - > pertag - > mfacts [ selmon - > pertag - > curtag ] ;
selmon - > sellt = selmon - > pertag - > sellts [ selmon - > pertag - > curtag ] ;
selmon - > lt [ selmon - > sellt ] = selmon - > pertag - > ltidxs [ selmon - > pertag - > curtag ] [ selmon - > sellt ] ;
selmon - > lt [ selmon - > sellt ^ 1 ] = selmon - > pertag - > ltidxs [ selmon - > pertag - > curtag ] [ selmon - > sellt ^ 1 ] ;
if ( selmon - > showbar ! = selmon - > pertag - > showbars [ selmon - > pertag - > curtag ] )
togglebar ( NULL ) ;
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focus ( NULL ) ;
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arrange ( selmon ) ;
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}
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}
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void
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unfocus ( Client * c , int setfocus )
{
if ( ! c )
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return ;
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grabbuttons ( c , 0 ) ;
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XSetWindowBorder ( dpy , c - > win , scheme [ SchemeNorm ] [ ColBorder ] . pixel ) ;
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if ( setfocus ) {
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XSetInputFocus ( dpy , root , RevertToPointerRoot , CurrentTime ) ;
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XDeleteProperty ( dpy , root , netatom [ NetActiveWindow ] ) ;
}
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}
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void
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unmanage ( Client * c , int destroyed )
{
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Monitor * m = c - > mon ;
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XWindowChanges wc ;
detach ( c ) ;
detachstack ( c ) ;
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if ( ! destroyed ) {
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wc . border_width = c - > oldbw ;
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XGrabServer ( dpy ) ; /* avoid race conditions */
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XSetErrorHandler ( xerrordummy ) ;
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XSelectInput ( dpy , c - > win , NoEventMask ) ;
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XConfigureWindow ( dpy , c - > win , CWBorderWidth , & wc ) ; /* restore border */
XUngrabButton ( dpy , AnyButton , AnyModifier , c - > win ) ;
setclientstate ( c , WithdrawnState ) ;
XSync ( dpy , False ) ;
XSetErrorHandler ( xerror ) ;
XUngrabServer ( dpy ) ;
}
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free ( c ) ;
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focus ( NULL ) ;
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updateclientlist ( ) ;
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arrange ( m ) ;
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}
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void
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unmapnotify ( XEvent * e )
{
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Client * c ;
XUnmapEvent * ev = & e - > xunmap ;
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if ( ( c = wintoclient ( ev - > window ) ) ) {
if ( ev - > send_event )
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setclientstate ( c , WithdrawnState ) ;
else
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unmanage ( c , 0 ) ;
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}
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}
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void
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updatebars ( void )
{
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Monitor * m ;
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XSetWindowAttributes wa = {
. override_redirect = True ,
. background_pixmap = ParentRelative ,
. event_mask = ButtonPressMask | ExposureMask
} ;
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XClassHint ch = { " dwm " , " dwm " } ;
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for ( m = mons ; m ; m = m - > next ) {
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if ( m - > barwin )
continue ;
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m - > barwin = XCreateWindow ( dpy , root , m - > wx , m - > by , m - > ww , bh , 0 , DefaultDepth ( dpy , screen ) ,
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CopyFromParent , DefaultVisual ( dpy , screen ) ,
CWOverrideRedirect | CWBackPixmap | CWEventMask , & wa ) ;
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XDefineCursor ( dpy , m - > barwin , cursor [ CurNormal ] - > cursor ) ;
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XMapRaised ( dpy , m - > barwin ) ;
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XSetClassHint ( dpy , m - > barwin , & ch ) ;
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}
}
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void
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updatebarpos ( Monitor * m )
{
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m - > wy = m - > my ;
m - > wh = m - > mh ;
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if ( m - > showbar ) {
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m - > wh - = bh ;
m - > by = m - > topbar ? m - > wy : m - > wy + m - > wh ;
m - > wy = m - > topbar ? m - > wy + bh : m - > wy ;
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} else
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m - > by = - bh ;
}
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void
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updateclientlist ( )
{
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Client * c ;
Monitor * m ;
XDeleteProperty ( dpy , root , netatom [ NetClientList ] ) ;
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for ( m = mons ; m ; m = m - > next )
for ( c = m - > clients ; c ; c = c - > next )
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XChangeProperty ( dpy , root , netatom [ NetClientList ] ,
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XA_WINDOW , 32 , PropModeAppend ,
( unsigned char * ) & ( c - > win ) , 1 ) ;
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}
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int
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updategeom ( void )
{
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int dirty = 0 ;
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# ifdef XINERAMA
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if ( XineramaIsActive ( dpy ) ) {
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int i , j , n , nn ;
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Client * c ;
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Monitor * m ;
XineramaScreenInfo * info = XineramaQueryScreens ( dpy , & nn ) ;
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XineramaScreenInfo * unique = NULL ;
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for ( n = 0 , m = mons ; m ; m = m - > next , n + + ) ;
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/* only consider unique geometries as separate screens */
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unique = ecalloc ( nn , sizeof ( XineramaScreenInfo ) ) ;
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for ( i = 0 , j = 0 ; i < nn ; i + + )
if ( isuniquegeom ( unique , j , & info [ i ] ) )
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memcpy ( & unique [ j + + ] , & info [ i ] , sizeof ( XineramaScreenInfo ) ) ;
XFree ( info ) ;
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nn = j ;
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/* new monitors if nn > n */
for ( i = n ; i < nn ; i + + ) {
for ( m = mons ; m & & m - > next ; m = m - > next ) ;
if ( m )
m - > next = createmon ( ) ;
else
mons = createmon ( ) ;
}
for ( i = 0 , m = mons ; i < nn & & m ; m = m - > next , i + + )
if ( i > = n
| | unique [ i ] . x_org ! = m - > mx | | unique [ i ] . y_org ! = m - > my
| | unique [ i ] . width ! = m - > mw | | unique [ i ] . height ! = m - > mh )
{
dirty = 1 ;
m - > num = i ;
m - > mx = m - > wx = unique [ i ] . x_org ;
m - > my = m - > wy = unique [ i ] . y_org ;
m - > mw = m - > ww = unique [ i ] . width ;
m - > mh = m - > wh = unique [ i ] . height ;
updatebarpos ( m ) ;
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}
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/* removed monitors if n > nn */
for ( i = nn ; i < n ; i + + ) {
for ( m = mons ; m & & m - > next ; m = m - > next ) ;
while ( ( c = m - > clients ) ) {
dirty = 1 ;
m - > clients = c - > next ;
detachstack ( c ) ;
c - > mon = mons ;
attach ( c ) ;
attachstack ( c ) ;
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}
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if ( m = = selmon )
selmon = mons ;
cleanupmon ( m ) ;
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}
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free ( unique ) ;
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} else
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# endif /* XINERAMA */
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{ /* default monitor setup */
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if ( ! mons )
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mons = createmon ( ) ;
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if ( mons - > mw ! = sw | | mons - > mh ! = sh ) {
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dirty = 1 ;
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mons - > mw = mons - > ww = sw ;
mons - > mh = mons - > wh = sh ;
updatebarpos ( mons ) ;
}
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}
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if ( dirty ) {
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selmon = mons ;
selmon = wintomon ( root ) ;
}
return dirty ;
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}
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void
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updatenumlockmask ( void )
{
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unsigned int i , j ;
XModifierKeymap * modmap ;
numlockmask = 0 ;
modmap = XGetModifierMapping ( dpy ) ;
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for ( i = 0 ; i < 8 ; i + + )
for ( j = 0 ; j < modmap - > max_keypermod ; j + + )
if ( modmap - > modifiermap [ i * modmap - > max_keypermod + j ]
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= = XKeysymToKeycode ( dpy , XK_Num_Lock ) )
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numlockmask = ( 1 < < i ) ;
XFreeModifiermap ( modmap ) ;
}
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void
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updatesizehints ( Client * c )
{
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long msize ;
XSizeHints size ;
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if ( ! XGetWMNormalHints ( dpy , c - > win , & size , & msize ) )
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/* size is uninitialized, ensure that size.flags aren't used */
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size . flags = PSize ;
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if ( size . flags & PBaseSize ) {
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c - > basew = size . base_width ;
c - > baseh = size . base_height ;
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} else if ( size . flags & PMinSize ) {
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c - > basew = size . min_width ;
c - > baseh = size . min_height ;
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} else
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c - > basew = c - > baseh = 0 ;
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if ( size . flags & PResizeInc ) {
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c - > incw = size . width_inc ;
c - > inch = size . height_inc ;
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} else
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c - > incw = c - > inch = 0 ;
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if ( size . flags & PMaxSize ) {
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c - > maxw = size . max_width ;
c - > maxh = size . max_height ;
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} else
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c - > maxw = c - > maxh = 0 ;
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if ( size . flags & PMinSize ) {
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c - > minw = size . min_width ;
c - > minh = size . min_height ;
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} else if ( size . flags & PBaseSize ) {
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c - > minw = size . base_width ;
c - > minh = size . base_height ;
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} else
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c - > minw = c - > minh = 0 ;
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if ( size . flags & PAspect ) {
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c - > mina = ( float ) size . min_aspect . y / size . min_aspect . x ;
c - > maxa = ( float ) size . max_aspect . x / size . max_aspect . y ;
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} else
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c - > maxa = c - > mina = 0.0 ;
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c - > isfixed = ( c - > maxw & & c - > maxh & & c - > maxw = = c - > minw & & c - > maxh = = c - > minh ) ;
manage: propertynotify: Reduce cost of unused size hints
This patch defers all size hint calculations until they are actually
needed, drastically reducing the number of calls to updatesizehints(),
which can be expensive when called repeatedly (as it currently is during
resizes).
In my unscientific testing this reduces calls to updatesizehints() by
over 90% during a typical work session. There are no functional changes
for users other than an increase in responsiveness after resizes and
a reduction in CPU time.
In slower environments or X servers, this patch also offers an
improvement in responsiveness that is often tangible after resizing a
client that changes hints during resizes.
There are two main motivations to defer this work to the time of hint
application:
1. Some clients, especially terminals using incremental size hints,
resend XA_WM_NORMAL_HINTS events on resize to avoid fighting with the
WM or mouse resizing. For example, some terminals like urxvt clear
PBaseSize and PResizeInc during XResizeWindow and restore them
afterwards.
For this reason, after the resize is concluded, we typically receive
a backlogged XA_WM_NORMAL_HINTS message for each update period with
movement, which is useless. In some cases one may get hundreds or
thousands of XA_WM_NORMAL_HINTS messages on large resizes, and
currently all of these result in a separate updatesizehints() call,
of which all but the final one are immediately outdated.
(We can't just blindly discard these messages during resizes like we
do for EnterNotify, because some of them might actually be for other
windows, and may not be XA_WM_NORMAL_HINTS events.)
2. For users which use resizehints=0 most of these updates are unused
anyway -- in the normal case where the client is not floating these
values won't be used, so there's no need to calculate them up front.
A synthetic test using the mouse to resize a floating terminal window
from roughly 256x256 to 1024x1024 and back again shows that the number
of calls to updatesizehints() goes from over 500 before this patch (one
for each update interval with movement) to 2 after this patch (one for
each hint application), with no change in user visible behaviour.
This also reduces the delay before dwm is ready to process new events
again after a large resize on such a client, as it avoids the thundering
herd of updatesizehints() calls when hundreds of backlogged
XA_WM_NORMAL_HINTS messages appear at once after a resize is finished.
2022-03-17 15:56:13 +00:00
c - > hintsvalid = 1 ;
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}
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void
updatestatus ( void )
{
if ( ! gettextprop ( root , XA_WM_NAME , stext , sizeof ( stext ) ) )
strcpy ( stext , " dwm- " VERSION ) ;
drawbar ( selmon ) ;
}
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void
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updatetitle ( Client * c )
{
if ( ! gettextprop ( c - > win , netatom [ NetWMName ] , c - > name , sizeof c - > name ) )
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gettextprop ( c - > win , XA_WM_NAME , c - > name , sizeof c - > name ) ;
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if ( c - > name [ 0 ] = = ' \0 ' ) /* hack to mark broken clients */
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strcpy ( c - > name , broken ) ;
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}
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void
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updatewindowtype ( Client * c )
{
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Atom state = getatomprop ( c , netatom [ NetWMState ] ) ;
Atom wtype = getatomprop ( c , netatom [ NetWMWindowType ] ) ;
2011-11-02 12:01:28 +00:00
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if ( state = = netatom [ NetWMFullscreen ] )
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setfullscreen ( c , 1 ) ;
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if ( wtype = = netatom [ NetWMWindowTypeDialog ] )
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c - > isfloating = 1 ;
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}
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void
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updatewmhints ( Client * c )
{
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XWMHints * wmh ;
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if ( ( wmh = XGetWMHints ( dpy , c - > win ) ) ) {
if ( c = = selmon - > sel & & wmh - > flags & XUrgencyHint ) {
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wmh - > flags & = ~ XUrgencyHint ;
XSetWMHints ( dpy , c - > win , wmh ) ;
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} else
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c - > isurgent = ( wmh - > flags & XUrgencyHint ) ? 1 : 0 ;
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if ( wmh - > flags & InputHint )
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c - > neverfocus = ! wmh - > input ;
else
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c - > neverfocus = 0 ;
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XFree ( wmh ) ;
}
}
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void
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view ( const Arg * arg )
{
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int i ;
unsigned int tmptag ;
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if ( ( arg - > ui & TAGMASK ) = = selmon - > tagset [ selmon - > seltags ] )
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return ;
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selmon - > seltags ^ = 1 ; /* toggle sel tagset */
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if ( arg - > ui & TAGMASK ) {
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selmon - > tagset [ selmon - > seltags ] = arg - > ui & TAGMASK ;
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selmon - > pertag - > prevtag = selmon - > pertag - > curtag ;
if ( arg - > ui = = ~ 0 )
selmon - > pertag - > curtag = 0 ;
else {
for ( i = 0 ; ! ( arg - > ui & 1 < < i ) ; i + + ) ;
selmon - > pertag - > curtag = i + 1 ;
}
} else {
tmptag = selmon - > pertag - > prevtag ;
selmon - > pertag - > prevtag = selmon - > pertag - > curtag ;
selmon - > pertag - > curtag = tmptag ;
}
selmon - > nmaster = selmon - > pertag - > nmasters [ selmon - > pertag - > curtag ] ;
selmon - > mfact = selmon - > pertag - > mfacts [ selmon - > pertag - > curtag ] ;
selmon - > sellt = selmon - > pertag - > sellts [ selmon - > pertag - > curtag ] ;
selmon - > lt [ selmon - > sellt ] = selmon - > pertag - > ltidxs [ selmon - > pertag - > curtag ] [ selmon - > sellt ] ;
selmon - > lt [ selmon - > sellt ^ 1 ] = selmon - > pertag - > ltidxs [ selmon - > pertag - > curtag ] [ selmon - > sellt ^ 1 ] ;
if ( selmon - > showbar ! = selmon - > pertag - > showbars [ selmon - > pertag - > curtag ] )
togglebar ( NULL ) ;
2011-07-29 18:01:22 +00:00
focus ( NULL ) ;
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arrange ( selmon ) ;
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}
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Client *
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wintoclient ( Window w )
{
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Client * c ;
Monitor * m ;
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for ( m = mons ; m ; m = m - > next )
for ( c = m - > clients ; c ; c = c - > next )
if ( c - > win = = w )
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return c ;
return NULL ;
}
Monitor *
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wintomon ( Window w )
{
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int x , y ;
Client * c ;
Monitor * m ;
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if ( w = = root & & getrootptr ( & x , & y ) )
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return recttomon ( x , y , 1 , 1 ) ;
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for ( m = mons ; m ; m = m - > next )
if ( w = = m - > barwin )
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return m ;
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if ( ( c = wintoclient ( w ) ) )
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return c - > mon ;
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return selmon ;
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}
2007-09-16 09:53:14 +00:00
/* There's no way to check accesses to destroyed windows, thus those cases are
2017-01-07 16:21:28 +00:00
* ignored ( especially on UnmapNotify ' s ) . Other types of errors call Xlibs
* default error handler , which may call exit . */
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int
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xerror ( Display * dpy , XErrorEvent * ee )
{
if ( ee - > error_code = = BadWindow
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| | ( ee - > request_code = = X_SetInputFocus & & ee - > error_code = = BadMatch )
| | ( ee - > request_code = = X_PolyText8 & & ee - > error_code = = BadDrawable )
| | ( ee - > request_code = = X_PolyFillRectangle & & ee - > error_code = = BadDrawable )
| | ( ee - > request_code = = X_PolySegment & & ee - > error_code = = BadDrawable )
| | ( ee - > request_code = = X_ConfigureWindow & & ee - > error_code = = BadMatch )
2008-05-06 14:13:36 +00:00
| | ( ee - > request_code = = X_GrabButton & & ee - > error_code = = BadAccess )
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| | ( ee - > request_code = = X_GrabKey & & ee - > error_code = = BadAccess )
| | ( ee - > request_code = = X_CopyArea & & ee - > error_code = = BadDrawable ) )
return 0 ;
fprintf ( stderr , " dwm: fatal error: request code=%d, error code=%d \n " ,
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ee - > request_code , ee - > error_code ) ;
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return xerrorxlib ( dpy , ee ) ; /* may call exit */
}
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int
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xerrordummy ( Display * dpy , XErrorEvent * ee )
{
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return 0 ;
}
/* Startup Error handler to check if another window manager
* is already running . */
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int
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xerrorstart ( Display * dpy , XErrorEvent * ee )
{
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die ( " dwm: another window manager is already running " ) ;
2007-09-16 09:53:14 +00:00
return - 1 ;
}
2008-05-19 19:07:12 +00:00
void
2015-11-08 22:11:48 +00:00
zoom ( const Arg * arg )
{
2009-06-23 16:17:25 +00:00
Client * c = selmon - > sel ;
2008-05-19 19:07:12 +00:00
2022-08-05 22:27:13 +00:00
if ( ! selmon - > lt [ selmon - > sellt ] - > arrange | | ! c | | c - > isfloating )
return ;
if ( c = = nexttiled ( selmon - > clients ) & & ! ( c = nexttiled ( c - > next ) ) )
2008-05-22 10:12:22 +00:00
return ;
2011-04-15 08:12:20 +00:00
pop ( c ) ;
2008-05-19 19:07:12 +00:00
}
2007-09-15 20:25:27 +00:00
int
2015-11-08 22:11:48 +00:00
main ( int argc , char * argv [ ] )
{
if ( argc = = 2 & & ! strcmp ( " -v " , argv [ 1 ] ) )
2016-08-12 12:35:25 +00:00
die ( " dwm- " VERSION ) ;
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else if ( argc ! = 1 )
2016-08-12 12:35:25 +00:00
die ( " usage: dwm [-v] " ) ;
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if ( ! setlocale ( LC_CTYPE , " " ) | | ! XSupportsLocale ( ) )
2009-02-21 19:12:46 +00:00
fputs ( " warning: no locale support \n " , stderr ) ;
2015-11-08 22:11:48 +00:00
if ( ! ( dpy = XOpenDisplay ( NULL ) ) )
2016-08-12 12:35:25 +00:00
die ( " dwm: cannot open display " ) ;
2007-09-16 10:34:08 +00:00
checkotherwm ( ) ;
2007-09-15 20:25:27 +00:00
setup ( ) ;
2018-05-25 05:56:27 +00:00
# ifdef __OpenBSD__
2018-06-02 15:15:42 +00:00
if ( pledge ( " stdio rpath proc exec " , NULL ) = = - 1 )
2018-05-25 05:56:27 +00:00
die ( " pledge " ) ;
# endif /* __OpenBSD__ */
2007-09-15 20:25:27 +00:00
scan ( ) ;
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runAutostart ( ) ;
2007-09-16 10:34:08 +00:00
run ( ) ;
2007-09-15 20:25:27 +00:00
cleanup ( ) ;
XCloseDisplay ( dpy ) ;
2011-05-12 14:16:33 +00:00
return EXIT_SUCCESS ;
2007-09-15 20:25:27 +00:00
}