dwm-custom/dwm.c

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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
* events about window (dis-)appearance. Only one X connection at a time is
* allowed to select for this event mask.
*
* 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.
*
* Each child of the root window is called a client, except windows which have
* set the override_redirect flag. Clients are organized in a linked client
* 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
* client.
*
* Keys and tagging rules are organized as arrays and defined in config.h.
*
* To understand everything else, start reading main().
*/
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#include <errno.h>
#include <locale.h>
#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>
#ifdef XINERAMA
#include <X11/extensions/Xinerama.h>
#endif /* XINERAMA */
#include <X11/Xft/Xft.h>
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#include "drw.h"
#include "util.h"
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/* macros */
#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
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#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
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#define INTERSECT(x,y,w,h,m) (MAX(0, MIN((x)+(w),(m)->wx+(m)->ww) - MAX((x),(m)->wx)) \
* MAX(0, MIN((y)+(h),(m)->wy+(m)->wh) - MAX((y),(m)->wy)))
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#define ISVISIBLE(C) ((C->tags & C->mon->tagset[C->mon->seltags]))
#define LENGTH(X) (sizeof X / sizeof X[0])
#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
#define WIDTH(X) ((X)->w + 2 * (X)->bw)
#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
#define TAGMASK ((1 << LENGTH(tags)) - 1)
#define TEXTW(X) (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
/* enums */
enum { CurNormal, CurResize, CurMove, CurLast }; /* cursor */
enum { SchemeNorm, SchemeSel, SchemeLast }; /* color schemes */
enum { NetSupported, NetWMName, NetWMState,
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NetWMFullscreen, NetActiveWindow, NetWMWindowType,
NetWMWindowTypeDialog, NetClientList, NetLast }; /* EWMH atoms */
enum { WMProtocols, WMDelete, WMState, WMTakeFocus, WMLast }; /* default atoms */
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enum { ClkTagBar, ClkLtSymbol, ClkStatusText, ClkWinTitle,
ClkClientWin, ClkRootWin, ClkLast }; /* clicks */
typedef union {
int i;
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unsigned int ui;
float f;
const void *v;
} Arg;
typedef struct {
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unsigned int click;
unsigned int mask;
unsigned int button;
void (*func)(const Arg *arg);
const Arg arg;
} Button;
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typedef struct Monitor Monitor;
typedef struct Client Client;
struct Client {
char name[256];
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float mina, maxa;
int x, y, w, h;
int oldx, oldy, oldw, oldh;
int basew, baseh, incw, inch, maxw, maxh, minw, minh;
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int bw, oldbw;
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unsigned int tags;
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int isfixed, isfloating, isurgent, neverfocus, oldstate, isfullscreen;
Client *next;
Client *snext;
Monitor *mon;
Window win;
};
typedef struct {
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unsigned int mod;
KeySym keysym;
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void (*func)(const Arg *);
const Arg arg;
} Key;
typedef struct {
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const char *symbol;
void (*arrange)(Monitor *);
} Layout;
struct Monitor {
char ltsymbol[16];
float mfact;
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int nmaster;
int num;
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int by; /* bar geometry */
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int mx, my, mw, mh; /* screen size */
int wx, wy, ww, wh; /* window area */
unsigned int seltags;
unsigned int sellt;
unsigned int tagset[2];
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int showbar;
int topbar;
Client *clients;
Client *sel;
Client *stack;
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Monitor *next;
Window barwin;
const Layout *lt[2];
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};
typedef struct {
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const char *class;
const char *instance;
const char *title;
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unsigned int tags;
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int isfloating;
int monitor;
} Rule;
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/* function declarations */
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static void applyrules(Client *c);
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static int applysizehints(Client *c, int *x, int *y, int *w, int *h, int interact);
static void arrange(Monitor *m);
static void arrangemon(Monitor *m);
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static void attach(Client *c);
static void attachstack(Client *c);
static void buttonpress(XEvent *e);
static void checkotherwm(void);
static void cleanup(void);
static void cleanupmon(Monitor *mon);
static void clearurgent(Client *c);
static void clientmessage(XEvent *e);
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static void configure(Client *c);
static void configurenotify(XEvent *e);
static void configurerequest(XEvent *e);
static Monitor *createmon(void);
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static void destroynotify(XEvent *e);
static void detach(Client *c);
static void detachstack(Client *c);
static Monitor *dirtomon(int dir);
static void drawbar(Monitor *m);
static void drawbars(void);
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static void enternotify(XEvent *e);
static void expose(XEvent *e);
static void focus(Client *c);
static void focusin(XEvent *e);
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static void focusmon(const Arg *arg);
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static void focusstack(const Arg *arg);
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static int getrootptr(int *x, int *y);
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static long getstate(Window w);
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static int gettextprop(Window w, Atom atom, char *text, unsigned int size);
static void grabbuttons(Client *c, int focused);
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static void grabkeys(void);
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static void incnmaster(const Arg *arg);
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static void keypress(XEvent *e);
static void killclient(const Arg *arg);
static void manage(Window w, XWindowAttributes *wa);
static void mappingnotify(XEvent *e);
static void maprequest(XEvent *e);
static void monocle(Monitor *m);
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static void motionnotify(XEvent *e);
static void movemouse(const Arg *arg);
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static Client *nexttiled(Client *c);
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static void pop(Client *);
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static void propertynotify(XEvent *e);
static void quit(const Arg *arg);
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static Monitor *recttomon(int x, int y, int w, int h);
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static void resize(Client *c, int x, int y, int w, int h, int interact);
static void resizeclient(Client *c, int x, int y, int w, int h);
static void resizemouse(const Arg *arg);
static void restack(Monitor *m);
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static void run(void);
static void scan(void);
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static int sendevent(Client *c, Atom proto);
static void sendmon(Client *c, Monitor *m);
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static void setclientstate(Client *c, long state);
static void setfocus(Client *c);
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static void setfullscreen(Client *c, int fullscreen);
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static void setlayout(const Arg *arg);
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static void setmfact(const Arg *arg);
static void setup(void);
static void showhide(Client *c);
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static void sigchld(int unused);
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static void spawn(const Arg *arg);
static void tag(const Arg *arg);
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static void tagmon(const Arg *arg);
static void tile(Monitor *);
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static void togglebar(const Arg *arg);
static void togglefloating(const Arg *arg);
static void toggletag(const Arg *arg);
static void toggleview(const Arg *arg);
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static void unfocus(Client *c, int setfocus);
static void unmanage(Client *c, int destroyed);
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static void unmapnotify(XEvent *e);
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static int updategeom(void);
static void updatebarpos(Monitor *m);
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static void updatebars(void);
static void updateclientlist(void);
static void updatenumlockmask(void);
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static void updatesizehints(Client *c);
static void updatestatus(void);
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static void updatewindowtype(Client *c);
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static void updatetitle(Client *c);
static void updatewmhints(Client *c);
static void view(const Arg *arg);
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static Client *wintoclient(Window w);
static Monitor *wintomon(Window w);
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static int xerror(Display *dpy, XErrorEvent *ee);
static int xerrordummy(Display *dpy, XErrorEvent *ee);
static int xerrorstart(Display *dpy, XErrorEvent *ee);
static void zoom(const Arg *arg);
/* variables */
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static const char broken[] = "broken";
static char stext[256];
static int screen;
static int sw, sh; /* X display screen geometry width, height */
static int bh, blw = 0; /* bar geometry */
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static int (*xerrorxlib)(Display *, XErrorEvent *);
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static unsigned int numlockmask = 0;
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static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
[ClientMessage] = clientmessage,
[ConfigureRequest] = configurerequest,
[ConfigureNotify] = configurenotify,
[DestroyNotify] = destroynotify,
[EnterNotify] = enternotify,
[Expose] = expose,
[FocusIn] = focusin,
[KeyPress] = keypress,
[MappingNotify] = mappingnotify,
[MapRequest] = maprequest,
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[MotionNotify] = motionnotify,
[PropertyNotify] = propertynotify,
[UnmapNotify] = unmapnotify
};
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static Atom wmatom[WMLast], netatom[NetLast];
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static int running = 1;
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static Cur *cursor[CurLast];
static ClrScheme scheme[SchemeLast];
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static Display *dpy;
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static Drw *drw;
static Monitor *mons, *selmon;
static Window root;
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/* configuration, allows nested code to access above variables */
#include "config.h"
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/* compile-time check if all tags fit into an unsigned int bit array. */
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struct NumTags { char limitexceeded[LENGTH(tags) > 31 ? -1 : 1]; };
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/* function implementations */
void
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applyrules(Client *c)
{
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const char *class, *instance;
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unsigned int i;
const Rule *r;
Monitor *m;
XClassHint ch = { NULL, NULL };
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/* rule matching */
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c->isfloating = 0;
c->tags = 0;
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++) {
r = &rules[i];
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if ((!r->title || strstr(c->name, r->title))
&& (!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)
c->mon = m;
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}
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}
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if (ch.res_class)
XFree(ch.res_class);
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if (ch.res_name)
XFree(ch.res_name);
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;
/* set minimum possible */
*w = MAX(1, *w);
*h = MAX(1, *h);
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if (interact) {
if (*x > sw)
*x = sw - WIDTH(c);
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if (*y > sh)
*y = sh - HEIGHT(c);
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if (*x + *w + 2 * c->bw < 0)
*x = 0;
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if (*y + *h + 2 * c->bw < 0)
*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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if (*h < bh)
*h = bh;
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if (*w < bh)
*w = bh;
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if (resizehints || c->isfloating || !c->mon->lt[c->mon->sellt]->arrange) {
/* 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 */
*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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if (baseismin) { /* increment calculation requires this */
*w -= c->basew;
*h -= c->baseh;
}
/* adjust for increment value */
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if (c->incw)
*w -= *w % c->incw;
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if (c->inch)
*h -= *h % c->inch;
/* restore base dimensions */
*w = MAX(*w + c->basew, c->minw);
*h = MAX(*h + c->baseh, c->minh);
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if (c->maxw)
*w = MIN(*w, c->maxw);
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if (c->maxh)
*h = MIN(*h, c->maxh);
}
return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
}
void
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arrange(Monitor *m)
{
if (m)
showhide(m->stack);
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else for (m = mons; m; m = m->next)
showhide(m->stack);
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if (m) {
arrangemon(m);
restack(m);
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} else for (m = mons; m; m = m->next)
arrangemon(m);
}
void
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arrangemon(Monitor *m)
{
strncpy(m->ltsymbol, m->lt[m->sellt]->symbol, sizeof m->ltsymbol);
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if (m->lt[m->sellt]->arrange)
m->lt[m->sellt]->arrange(m);
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}
void
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attach(Client *c)
{
c->next = c->mon->clients;
c->mon->clients = c;
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}
void
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attachstack(Client *c)
{
c->snext = c->mon->stack;
c->mon->stack = c;
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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;
Monitor *m;
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XButtonPressedEvent *ev = &e->xbutton;
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click = ClkRootWin;
/* focus monitor if necessary */
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if ((m = wintomon(ev->window)) && m != selmon) {
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unfocus(selmon->sel, 1);
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
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 + blw)
click = ClkLtSymbol;
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else if (ev->x > selmon->ww - TEXTW(stext))
click = ClkStatusText;
else
click = ClkWinTitle;
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} else if ((c = wintoclient(ev->window))) {
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focus(c);
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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}
void
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checkotherwm(void)
{
xerrorxlib = XSetErrorHandler(xerrorstart);
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/* this causes an error if some other window manager is running */
XSelectInput(dpy, DefaultRootWindow(dpy), SubstructureRedirectMask);
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XSync(dpy, False);
XSetErrorHandler(xerror);
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XSync(dpy, False);
}
void
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cleanup(void)
{
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Arg a = {.ui = ~0};
Layout foo = { "", NULL };
Monitor *m;
size_t i;
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view(&a);
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)
cleanupmon(mons);
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for (i = 0; i < CurLast; i++)
drw_cur_free(drw, cursor[i]);
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for (i = 0; i < SchemeLast; i++) {
drw_clr_free(scheme[i].border);
drw_clr_free(scheme[i].bg);
drw_clr_free(scheme[i].fg);
}
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drw_free(drw);
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XSync(dpy, False);
XSetInputFocus(dpy, PointerRoot, RevertToPointerRoot, CurrentTime);
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)
mons = mons->next;
else {
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for (m = mons; m && m->next != mon; m = m->next);
m->next = mon->next;
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}
XUnmapWindow(dpy, mon->barwin);
XDestroyWindow(dpy, mon->barwin);
free(mon);
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}
void
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clearurgent(Client *c)
{
XWMHints *wmh;
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c->isurgent = 0;
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if (!(wmh = XGetWMHints(dpy, c->win)))
return;
wmh->flags &= ~XUrgencyHint;
XSetWMHints(dpy, c->win, wmh);
XFree(wmh);
}
void
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clientmessage(XEvent *e)
{
XClientMessageEvent *cme = &e->xclient;
Client *c = wintoclient(cme->window);
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if (!c)
return;
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if (cme->message_type == netatom[NetWMState]) {
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 */
|| (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
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} else if (cme->message_type == netatom[NetActiveWindow]) {
if (!ISVISIBLE(c)) {
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c->mon->seltags ^= 1;
c->mon->tagset[c->mon->seltags] = c->tags;
}
pop(c);
}
}
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;
ce.border_width = c->bw;
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ce.above = None;
ce.override_redirect = False;
XSendEvent(dpy, c->win, False, StructureNotifyMask, (XEvent *)&ce);
}
void
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configurenotify(XEvent *e)
{
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Monitor *m;
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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) {
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);
updatebars();
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for (m = mons; m; m = m->next)
XMoveResizeWindow(dpy, m->barwin, m->wx, m->by, m->ww, bh);
focus(NULL);
arrange(NULL);
}
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}
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}
void
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configurerequest(XEvent *e)
{
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Client *c;
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)
c->bw = ev->border_width;
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else if (c->isfloating || !selmon->lt[selmon->sellt]->arrange) {
m = c->mon;
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if (ev->value_mask & CWX) {
c->oldx = c->x;
c->x = m->mx + ev->x;
}
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if (ev->value_mask & CWY) {
c->oldy = c->y;
c->y = m->my + ev->y;
}
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if (ev->value_mask & CWWidth) {
c->oldw = c->w;
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c->w = ev->width;
}
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if (ev->value_mask & CWHeight) {
c->oldh = c->h;
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c->h = ev->height;
}
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if ((c->x + c->w) > m->mx + m->mw && c->isfloating)
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)
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);
}
Monitor *
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createmon(void)
{
Monitor *m;
m = ecalloc(1, sizeof(Monitor));
m->tagset[0] = m->tagset[1] = 1;
m->mfact = mfact;
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m->nmaster = nmaster;
m->showbar = showbar;
m->topbar = topbar;
m->lt[0] = &layouts[0];
m->lt[1] = &layouts[1 % LENGTH(layouts)];
strncpy(m->ltsymbol, layouts[0].symbol, sizeof m->ltsymbol);
return m;
}
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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}
void
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detach(Client *c)
{
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Client **tc;
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for (tc = &c->mon->clients; *tc && *tc != c; tc = &(*tc)->next);
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*tc = c->next;
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}
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void
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detachstack(Client *c)
{
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Client **tc, *t;
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for (tc = &c->mon->stack; *tc && *tc != c; tc = &(*tc)->snext);
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*tc = c->snext;
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if (c == c->mon->sel) {
for (t = c->mon->stack; t && !ISVISIBLE(t); t = t->snext);
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c->mon->sel = t;
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}
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}
Monitor *
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dirtomon(int dir)
{
Monitor *m = NULL;
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if (dir > 0) {
if (!(m = selmon->next))
m = mons;
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} else if (selmon == mons)
for (m = mons; m->next; m = m->next);
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else
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for (m = mons; m->next != selmon; m = m->next);
return m;
}
void
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drawbar(Monitor *m)
{
int x, xx, w, dx;
unsigned int i, occ = 0, urg = 0;
Client *c;
dx = (drw->fonts[0]->ascent + drw->fonts[0]->descent + 2) / 4;
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for (c = m->clients; c; c = c->next) {
occ |= c->tags;
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if (c->isurgent)
urg |= c->tags;
}
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x = 0;
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for (i = 0; i < LENGTH(tags); i++) {
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w = TEXTW(tags[i]);
drw_setscheme(drw, m->tagset[m->seltags] & 1 << i ? &scheme[SchemeSel] : &scheme[SchemeNorm]);
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drw_text(drw, x, 0, w, bh, tags[i], urg & 1 << i);
drw_rect(drw, x + 1, 1, dx, dx, m == selmon && selmon->sel && selmon->sel->tags & 1 << i,
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occ & 1 << i, urg & 1 << i);
x += w;
}
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w = blw = TEXTW(m->ltsymbol);
drw_setscheme(drw, &scheme[SchemeNorm]);
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drw_text(drw, x, 0, w, bh, m->ltsymbol, 0);
x += w;
xx = x;
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if (m == selmon) { /* status is only drawn on selected monitor */
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w = TEXTW(stext);
x = m->ww - w;
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if (x < xx) {
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x = xx;
w = m->ww - xx;
}
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drw_text(drw, x, 0, w, bh, stext, 0);
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} else
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x = m->ww;
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if ((w = x - xx) > bh) {
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x = xx;
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if (m->sel) {
drw_setscheme(drw, m == selmon ? &scheme[SchemeSel] : &scheme[SchemeNorm]);
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drw_text(drw, x, 0, w, bh, m->sel->name, 0);
drw_rect(drw, x + 1, 1, dx, dx, m->sel->isfixed, m->sel->isfloating, 0);
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} else {
drw_setscheme(drw, &scheme[SchemeNorm]);
drw_rect(drw, x, 0, w, bh, 1, 0, 1);
}
}
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drw_map(drw, m->barwin, 0, 0, m->ww, bh);
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}
void
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drawbars(void)
{
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Monitor *m;
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for (m = mons; m; m = m->next)
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drawbar(m);
}
void
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enternotify(XEvent *e)
{
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Client *c;
Monitor *m;
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XCrossingEvent *ev = &e->xcrossing;
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if ((ev->mode != NotifyNormal || ev->detail == NotifyInferior) && ev->window != root)
return;
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c = wintoclient(ev->window);
m = c ? c->mon : wintomon(ev->window);
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if (m != selmon) {
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unfocus(selmon->sel, 1);
selmon = m;
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} else if (!c || c == selmon->sel)
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return;
focus(c);
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}
void
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expose(XEvent *e)
{
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Monitor *m;
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XExposeEvent *ev = &e->xexpose;
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if (ev->count == 0 && (m = wintomon(ev->window)))
drawbar(m);
}
void
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focus(Client *c)
{
if (!c || !ISVISIBLE(c))
for (c = selmon->stack; c && !ISVISIBLE(c); c = c->snext);
/* was if (selmon->sel) */
if (selmon->sel && selmon->sel != c)
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unfocus(selmon->sel, 0);
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if (c) {
if (c->mon != selmon)
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selmon = c->mon;
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if (c->isurgent)
clearurgent(c);
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detachstack(c);
attachstack(c);
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grabbuttons(c, 1);
XSetWindowBorder(dpy, c->win, scheme[SchemeSel].border->pix);
setfocus(c);
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} else {
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
}
selmon->sel = c;
drawbars();
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}
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/* there are some broken focus acquiring clients */
void
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focusin(XEvent *e)
{
XFocusChangeEvent *ev = &e->xfocus;
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if (selmon->sel && ev->window != selmon->sel->win)
setfocus(selmon->sel);
}
void
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focusmon(const Arg *arg)
{
Monitor *m;
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if (!mons->next)
return;
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if ((m = dirtomon(arg->i)) == selmon)
return;
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unfocus(selmon->sel, 0); /* s/1/0/ fixes input focus issues
in gedit and anjuta */
selmon = m;
focus(NULL);
}
void
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focusstack(const Arg *arg)
{
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Client *c = NULL, *i;
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if (!selmon->sel)
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return;
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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))
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c = i;
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if (!c)
for (; i; i = i->next)
if (ISVISIBLE(i))
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c = i;
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}
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if (c) {
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focus(c);
restack(selmon);
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}
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}
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Atom
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getatomprop(Client *c, Atom prop)
{
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int di;
unsigned long dl;
unsigned char *p = NULL;
Atom da, atom = None;
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if (XGetWindowProperty(dpy, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
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&da, &di, &dl, &dl, &p) == Success && p) {
atom = *(Atom *)p;
XFree(p);
}
return atom;
}
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int
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getrootptr(int *x, int *y)
{
int di;
unsigned int dui;
Window dummy;
2009-07-02 17:40:04 +00:00
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return XQueryPointer(dpy, root, &dummy, &dummy, x, y, &di, &di, &dui);
}
long
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getstate(Window w)
{
int format;
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long result = -1;
unsigned char *p = NULL;
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unsigned long n, extra;
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Atom real;
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if (XGetWindowProperty(dpy, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
&real, &format, &n, &extra, (unsigned char **)&p) != Success)
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return -1;
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if (n != 0)
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result = *p;
XFree(p);
return result;
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}
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int
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gettextprop(Window w, Atom atom, char *text, unsigned int size)
{
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char **list = NULL;
int n;
XTextProperty name;
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if (!text || size == 0)
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return 0;
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text[0] = '\0';
XGetTextProperty(dpy, w, &name, atom);
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if (!name.nitems)
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return 0;
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if (name.encoding == XA_STRING)
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strncpy(text, (char *)name.value, size - 1);
else {
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if (XmbTextPropertyToTextList(dpy, &name, &list, &n) >= Success && n > 0 && *list) {
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strncpy(text, *list, size - 1);
XFreeStringList(list);
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}
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}
text[size - 1] = '\0';
XFree(name.value);
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return 1;
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}
void
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grabbuttons(Client *c, int focused)
{
updatenumlockmask();
{
unsigned int i, j;
unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
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if (focused) {
for (i = 0; i < LENGTH(buttons); i++)
if (buttons[i].click == ClkClientWin)
for (j = 0; j < LENGTH(modifiers); j++)
XGrabButton(dpy, buttons[i].button,
buttons[i].mask | modifiers[j],
c->win, False, BUTTONMASK,
GrabModeAsync, GrabModeSync, None, None);
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} else
XGrabButton(dpy, AnyButton, AnyModifier, c->win, False,
BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
}
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}
void
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grabkeys(void)
{
updatenumlockmask();
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{
unsigned int i, j;
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unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
KeyCode code;
XUngrabKey(dpy, AnyKey, AnyModifier, root);
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for (i = 0; i < LENGTH(keys); i++)
if ((code = XKeysymToKeycode(dpy, keys[i].keysym)))
for (j = 0; j < LENGTH(modifiers); j++)
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XGrabKey(dpy, code, keys[i].mod | modifiers[j], root,
True, GrabModeAsync, GrabModeAsync);
}
}
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void
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incnmaster(const Arg *arg)
{
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selmon->nmaster = MAX(selmon->nmaster + arg->i, 0);
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arrange(selmon);
}
#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
&& unique[n].width == info->width && unique[n].height == info->height)
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return 0;
return 1;
}
#endif /* XINERAMA */
void
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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;
keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
2015-11-08 22:11:48 +00:00
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));
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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])) {
2009-09-08 12:30:18 +00:00
XGrabServer(dpy);
XSetErrorHandler(xerrordummy);
XSetCloseDownMode(dpy, DestroyAll);
XKillClient(dpy, selmon->sel->win);
2009-09-08 12:30:18 +00:00
XSync(dpy, False);
XSetErrorHandler(xerror);
XUngrabServer(dpy);
}
2007-09-15 20:25:27 +00:00
}
void
2015-11-08 22:11:48 +00:00
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
c = ecalloc(1, sizeof(Client));
2007-09-16 09:53:14 +00:00
c->win = w;
2009-07-12 21:34:29 +00:00
updatetitle(c);
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if (XGetTransientForHint(dpy, w, &trans) && (t = wintoclient(trans))) {
c->mon = t->mon;
c->tags = t->tags;
2015-11-08 22:11:48 +00:00
} else {
c->mon = selmon;
applyrules(c);
}
/* 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;
2011-11-06 19:30:06 +00:00
2015-11-08 22:11:48 +00:00
if (c->x + WIDTH(c) > c->mon->mx + c->mon->mw)
2011-11-06 19:30:06 +00:00
c->x = c->mon->mx + c->mon->mw - WIDTH(c);
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if (c->y + HEIGHT(c) > c->mon->my + c->mon->mh)
2011-11-06 19:30:06 +00:00
c->y = c->mon->my + c->mon->mh - HEIGHT(c);
c->x = MAX(c->x, c->mon->mx);
/* only fix client y-offset, if the client center might cover the bar */
c->y = MAX(c->y, ((c->mon->by == c->mon->my) && (c->x + (c->w / 2) >= c->mon->wx)
&& (c->x + (c->w / 2) < c->mon->wx + c->mon->ww)) ? bh : c->mon->my);
c->bw = borderpx;
wc.border_width = c->bw;
2007-09-16 09:53:14 +00:00
XConfigureWindow(dpy, w, CWBorderWidth, &wc);
XSetWindowBorder(dpy, w, scheme[SchemeNorm].border->pix);
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);
updatewmhints(c);
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)
c->isfloating = c->oldstate = trans != None || c->isfixed;
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if (c->isfloating)
XRaiseWindow(dpy, c->win);
2007-09-16 09:53:14 +00:00
attach(c);
attachstack(c);
XChangeProperty(dpy, root, netatom[NetClientList], XA_WINDOW, 32, PropModeAppend,
(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);
if (c->mon == selmon)
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unfocus(selmon->sel, 0);
c->mon->sel = c;
arrange(c->mon);
XMapWindow(dpy, c->win);
focus(NULL);
2007-09-15 20:25:27 +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);
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if (ev->request == MappingKeyboard)
grabkeys();
2007-09-15 20:25:27 +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;
2015-11-08 22:11:48 +00:00
if (!XGetWindowAttributes(dpy, ev->window, &wa))
2007-09-15 20:25:27 +00:00
return;
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if (wa.override_redirect)
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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)
{
unsigned int n = 0;
2008-06-19 10:38:53 +00:00
Client *c;
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for (c = m->clients; c; c = c->next)
if (ISVISIBLE(c))
n++;
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if (n > 0) /* override layout symbol */
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))
2015-11-08 21:48:43 +00:00
resize(c, m->wx, m->wy, m->ww - 2 * c->bw, m->wh - 2 * c->bw, 0);
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;
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if (ev->window != root)
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return;
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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);
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selmon = m;
focus(NULL);
}
mon = m;
}
void
2015-11-08 22:11:48 +00:00
movemouse(const Arg *arg)
{
int x, y, ocx, ocy, nx, ny;
Client *c;
Monitor *m;
2007-09-15 20:25:27 +00:00
XEvent ev;
Time lasttime = 0;
2007-09-15 20:25:27 +00:00
2015-11-08 22:11:48 +00:00
if (!(c = selmon->sel))
return;
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if (c->isfullscreen) /* no support moving fullscreen windows by mouse */
return;
restack(selmon);
ocx = c->x;
ocy = c->y;
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if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
2013-06-16 13:20:29 +00:00
None, cursor[CurMove]->cursor, CurrentTime) != GrabSuccess)
2007-09-15 20:25:27 +00:00
return;
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if (!getrootptr(&x, &y))
return;
do {
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:
if ((ev.xmotion.time - lasttime) <= (1000 / 60))
continue;
lasttime = ev.xmotion.time;
nx = ocx + (ev.xmotion.x - x);
ny = ocy + (ev.xmotion.y - y);
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if (nx >= selmon->wx && nx <= selmon->wx + selmon->ww
2009-07-14 15:26:04 +00:00
&& ny >= selmon->wy && ny <= selmon->wy + selmon->wh) {
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if (abs(selmon->wx - nx) < snap)
nx = selmon->wx;
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else if (abs((selmon->wx + selmon->ww) - (nx + WIDTH(c))) < snap)
nx = selmon->wx + selmon->ww - WIDTH(c);
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if (abs(selmon->wy - ny) < snap)
ny = selmon->wy;
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else if (abs((selmon->wy + selmon->wh) - (ny + HEIGHT(c))) < snap)
ny = selmon->wy + selmon->wh - HEIGHT(c);
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if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
2009-07-14 15:26:04 +00:00
&& (abs(nx - c->x) > snap || abs(ny - c->y) > snap))
2008-05-19 12:41:58 +00:00
togglefloating(NULL);
}
2015-11-08 22:11:48 +00:00
if (!selmon->lt[selmon->sellt]->arrange || c->isfloating)
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resize(c, nx, ny, c->w, c->h, 1);
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break;
}
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} while (ev.type != ButtonRelease);
XUngrabPointer(dpy, CurrentTime);
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if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
sendmon(c, m);
selmon = m;
focus(NULL);
}
2007-09-16 09:53:14 +00:00
}
Client *
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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
}
void
2015-11-08 22:11:48 +00:00
pop(Client *c)
{
detach(c);
attach(c);
focus(c);
arrange(c->mon);
2009-06-30 18:39:59 +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))
updatestatus();
2015-11-08 22:11:48 +00:00
else if (ev->state == PropertyDelete)
2007-09-16 09:53:14 +00:00
return; /* ignore */
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else if ((c = wintoclient(ev->window))) {
2011-05-12 14:16:33 +00:00
switch(ev->atom) {
default: break;
case XA_WM_TRANSIENT_FOR:
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if (!c->isfloating && (XGetTransientForHint(dpy, c->win, &trans)) &&
2010-09-27 07:53:44 +00:00
(c->isfloating = (wintoclient(trans)) != NULL))
arrange(c->mon);
break;
case XA_WM_NORMAL_HINTS:
updatesizehints(c);
break;
case XA_WM_HINTS:
updatewmhints(c);
drawbars();
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);
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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);
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}
2007-09-15 20:25:27 +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;
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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;
}
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))
resizeclient(c, x, y, w, h);
}
void
2015-11-08 22:11:48 +00:00
resizeclient(Client *c, int x, int y, int w, int h)
{
2007-10-03 14:25:25 +00:00
XWindowChanges wc;
2008-02-20 08:13:41 +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;
XConfigureWindow(dpy, c->win, CWX|CWY|CWWidth|CWHeight|CWBorderWidth, &wc);
configure(c);
XSync(dpy, False);
2007-09-15 20:25:27 +00:00
}
void
2015-11-08 22:11:48 +00:00
resizemouse(const Arg *arg)
{
int ocx, ocy, nw, nh;
Client *c;
Monitor *m;
2007-09-16 09:53:14 +00:00
XEvent ev;
Time lasttime = 0;
2007-09-16 09:53:14 +00:00
2015-11-08 22:11:48 +00:00
if (!(c = selmon->sel))
return;
2015-11-08 22:11:48 +00:00
if (c->isfullscreen) /* no support resizing fullscreen windows by mouse */
return;
restack(selmon);
2007-09-16 09:53:14 +00:00
ocx = c->x;
ocy = c->y;
2015-11-08 22:11:48 +00:00
if (XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
2013-06-16 13:20:29 +00:00
None, cursor[CurResize]->cursor, CurrentTime) != GrabSuccess)
2007-09-16 09:53:14 +00:00
return;
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
do {
2008-08-18 18:28:57 +00:00
XMaskEvent(dpy, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
2007-09-16 09:53:14 +00:00
switch(ev.type) {
case ConfigureRequest:
case Expose:
case MapRequest:
handler[ev.type](&ev);
break;
case MotionNotify:
if ((ev.xmotion.time - lasttime) <= (1000 / 60))
continue;
lasttime = ev.xmotion.time;
2008-12-20 12:02:14 +00:00
nw = MAX(ev.xmotion.x - ocx - 2 * c->bw + 1, 1);
nh = MAX(ev.xmotion.y - ocy - 2 * c->bw + 1, 1);
2015-11-08 22:11:48 +00:00
if (c->mon->wx + nw >= selmon->wx && c->mon->wx + nw <= selmon->wx + selmon->ww
&& c->mon->wy + nh >= selmon->wy && c->mon->wy + nh <= selmon->wy + selmon->wh)
2009-07-14 15:26:04 +00:00
{
2015-11-08 22:11:48 +00:00
if (!c->isfloating && selmon->lt[selmon->sellt]->arrange
2009-07-14 15:26:04 +00:00
&& (abs(nw - c->w) > snap || abs(nh - c->h) > snap))
2008-05-19 12:41:58 +00:00
togglefloating(NULL);
2008-04-27 17:22:52 +00:00
}
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, c->x, c->y, nw, nh, 1);
2007-09-16 09:53:14 +00:00
break;
}
2015-11-08 22:11:48 +00:00
} while (ev.type != ButtonRelease);
XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
XUngrabPointer(dpy, CurrentTime);
2015-11-08 22:11:48 +00:00
while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
if ((m = recttomon(c->x, c->y, c->w, c->h)) != selmon) {
sendmon(c, m);
selmon = m;
focus(NULL);
}
2007-09-15 20:25:27 +00:00
}
void
2015-11-08 22:11:48 +00:00
restack(Monitor *m)
{
2007-09-16 09:53:14 +00:00
Client *c;
XEvent ev;
XWindowChanges wc;
2007-09-15 20:25:27 +00:00
drawbar(m);
2015-11-08 22:11:48 +00:00
if (!m->sel)
2007-09-16 09:53:14 +00:00
return;
2015-11-08 22:11:48 +00:00
if (m->sel->isfloating || !m->lt[m->sellt]->arrange)
XRaiseWindow(dpy, m->sel->win);
2015-11-08 22:11:48 +00:00
if (m->lt[m->sellt]->arrange) {
2007-09-16 09:53:14 +00:00
wc.stack_mode = Below;
wc.sibling = m->barwin;
2015-11-08 22:11:48 +00:00
for (c = m->stack; c; c = c->snext)
if (!c->isfloating && ISVISIBLE(c)) {
2008-04-27 17:22:52 +00:00
XConfigureWindow(dpy, c->win, CWSibling|CWStackMode, &wc);
wc.sibling = c->win;
}
2007-09-16 09:53:14 +00:00
}
XSync(dpy, False);
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while (XCheckMaskEvent(dpy, EnterWindowMask, &ev));
2007-09-15 20:25:27 +00:00
}
void
2015-11-08 22:11:48 +00:00
run(void)
{
2007-09-16 10:34:08 +00:00
XEvent ev;
/* main event loop */
2007-09-16 10:34:08 +00:00
XSync(dpy, False);
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while (running && !XNextEvent(dpy, &ev))
if (handler[ev.type])
2009-07-14 15:01:14 +00:00
handler[ev.type](&ev); /* call handler */
2007-09-16 10:34:08 +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;
Window d1, d2, *wins = NULL;
2007-09-15 20:25:27 +00:00
XWindowAttributes wa;
2015-11-08 22:11:48 +00:00
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))
continue;
2015-11-08 22:11:48 +00:00
if (wa.map_state == IsViewable || getstate(wins[i]) == IconicState)
manage(wins[i], &wa);
}
2015-11-08 22:11:48 +00:00
for (i = 0; i < num; i++) { /* now the transients */
if (!XGetWindowAttributes(dpy, wins[i], &wa))
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))
manage(wins[i], &wa);
2007-09-15 20:25:27 +00:00
}
2015-11-08 22:11:48 +00:00
if (wins)
XFree(wins);
2007-09-15 20:25:27 +00:00
}
}
void
2015-11-08 22:11:48 +00:00
sendmon(Client *c, Monitor *m)
{
if (c->mon == m)
return;
2015-11-08 21:48:43 +00:00
unfocus(c, 1);
detach(c);
detachstack(c);
c->mon = m;
c->tags = m->tagset[m->seltags]; /* assign tags of target monitor */
attach(c);
attachstack(c);
focus(NULL);
arrange(NULL);
}
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,
PropModeReplace, (unsigned char *)data, 2);
}
2015-11-08 21:48:43 +00:00
int
2015-11-08 22:11:48 +00:00
sendevent(Client *c, Atom proto)
{
int n;
Atom *protocols;
2015-11-08 21:48:43 +00:00
int exists = 0;
XEvent ev;
2015-11-08 22:11:48 +00:00
if (XGetWMProtocols(dpy, c->win, &protocols, &n)) {
while (!exists && n--)
exists = protocols[n] == proto;
XFree(protocols);
}
2015-11-08 22:11:48 +00:00
if (exists) {
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
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setfocus(Client *c)
{
if (!c->neverfocus) {
XSetInputFocus(dpy, c->win, RevertToPointerRoot, CurrentTime);
XChangeProperty(dpy, root, netatom[NetActiveWindow],
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XA_WINDOW, 32, PropModeReplace,
(unsigned char *) &(c->win), 1);
}
sendevent(c, wmatom[WMTakeFocus]);
}
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void
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setfullscreen(Client *c, int fullscreen)
{
if (fullscreen && !c->isfullscreen) {
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XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
PropModeReplace, (unsigned char*)&netatom[NetWMFullscreen], 1);
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c->isfullscreen = 1;
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c->oldstate = c->isfloating;
c->oldbw = c->bw;
c->bw = 0;
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c->isfloating = 1;
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resizeclient(c, c->mon->mx, c->mon->my, c->mon->mw, c->mon->mh);
XRaiseWindow(dpy, c->win);
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} else if (!fullscreen && c->isfullscreen){
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XChangeProperty(dpy, c->win, netatom[NetWMState], XA_ATOM, 32,
PropModeReplace, (unsigned char*)0, 0);
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c->isfullscreen = 0;
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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);
}
}
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void
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setlayout(const Arg *arg)
{
if (!arg || !arg->v || arg->v != selmon->lt[selmon->sellt])
selmon->sellt ^= 1;
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if (arg && arg->v)
selmon->lt[selmon->sellt] = (Layout *)arg->v;
strncpy(selmon->ltsymbol, selmon->lt[selmon->sellt]->symbol, sizeof selmon->ltsymbol);
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if (selmon->sel)
arrange(selmon);
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else
drawbar(selmon);
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}
/* arg > 1.0 will set mfact absolutly */
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void
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setmfact(const Arg *arg)
{
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float f;
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if (!arg || !selmon->lt[selmon->sellt]->arrange)
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return;
f = arg->f < 1.0 ? arg->f + selmon->mfact : arg->f - 1.0;
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if (f < 0.1 || f > 0.9)
return;
selmon->mfact = f;
arrange(selmon);
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}
void
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setup(void)
{
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XSetWindowAttributes wa;
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/* clean up any zombies immediately */
sigchld(0);
/* init screen */
screen = DefaultScreen(dpy);
sw = DisplayWidth(dpy, screen);
sh = DisplayHeight(dpy, screen);
root = RootWindow(dpy, screen);
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drw = drw_create(dpy, screen, root, sw, sh);
drw_load_fonts(drw, fonts, LENGTH(fonts));
if (!drw->fontcount)
die("no fonts could be loaded.\n");
bh = drw->fonts[0]->h + 2;
updategeom();
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/* init atoms */
wmatom[WMProtocols] = XInternAtom(dpy, "WM_PROTOCOLS", False);
wmatom[WMDelete] = XInternAtom(dpy, "WM_DELETE_WINDOW", False);
wmatom[WMState] = XInternAtom(dpy, "WM_STATE", False);
wmatom[WMTakeFocus] = XInternAtom(dpy, "WM_TAKE_FOCUS", False);
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netatom[NetActiveWindow] = XInternAtom(dpy, "_NET_ACTIVE_WINDOW", False);
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netatom[NetSupported] = XInternAtom(dpy, "_NET_SUPPORTED", False);
netatom[NetWMName] = XInternAtom(dpy, "_NET_WM_NAME", False);
netatom[NetWMState] = XInternAtom(dpy, "_NET_WM_STATE", False);
netatom[NetWMFullscreen] = XInternAtom(dpy, "_NET_WM_STATE_FULLSCREEN", False);
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netatom[NetWMWindowType] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE", False);
netatom[NetWMWindowTypeDialog] = XInternAtom(dpy, "_NET_WM_WINDOW_TYPE_DIALOG", False);
netatom[NetClientList] = XInternAtom(dpy, "_NET_CLIENT_LIST", False);
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/* init cursors */
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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 */
scheme[SchemeNorm].border = drw_clr_create(drw, normbordercolor);
scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
scheme[SchemeSel].border = drw_clr_create(drw, selbordercolor);
scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
/* init bars */
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updatebars();
updatestatus();
/* EWMH support per view */
XChangeProperty(dpy, root, netatom[NetSupported], XA_ATOM, 32,
PropModeReplace, (unsigned char *) netatom, NetLast);
XDeleteProperty(dpy, root, netatom[NetClientList]);
/* select for events */
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wa.cursor = cursor[CurNormal]->cursor;
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wa.event_mask = SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask
|EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask;
XChangeWindowAttributes(dpy, root, CWEventMask|CWCursor, &wa);
XSelectInput(dpy, root, wa.event_mask);
grabkeys();
focus(NULL);
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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 */
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);
showhide(c->snext);
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} else {
/* hide clients bottom up */
showhide(c->snext);
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XMoveWindow(dpy, c->win, WIDTH(c) * -2, c->y);
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}
}
void
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sigchld(int unused)
{
if (signal(SIGCHLD, sigchld) == SIG_ERR)
die("can't install SIGCHLD handler:");
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while (0 < waitpid(-1, NULL, WNOHANG));
}
void
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spawn(const Arg *arg)
{
if (arg->v == dmenucmd)
dmenumon[0] = '0' + selmon->num;
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if (fork() == 0) {
if (dpy)
close(ConnectionNumber(dpy));
setsid();
execvp(((char **)arg->v)[0], (char **)arg->v);
fprintf(stderr, "dwm: execvp %s", ((char **)arg->v)[0]);
perror(" failed");
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exit(EXIT_SUCCESS);
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}
}
void
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tag(const Arg *arg)
{
if (selmon->sel && arg->ui & TAGMASK) {
selmon->sel->tags = arg->ui & TAGMASK;
focus(NULL);
arrange(selmon);
}
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}
void
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tagmon(const Arg *arg)
{
if (!selmon->sel || !mons->next)
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return;
sendmon(selmon->sel, dirtomon(arg->i));
}
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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 (n > m->nmaster)
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mw = m->nmaster ? m->ww * m->mfact : 0;
else
mw = m->ww;
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for (i = my = ty = 0, c = nexttiled(m->clients); c; c = nexttiled(c->next), i++)
if (i < m->nmaster) {
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h = (m->wh - my) / (MIN(n, m->nmaster) - i);
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resize(c, m->wx, m->wy + my, mw - (2*c->bw), h - (2*c->bw), 0);
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my += HEIGHT(c);
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} else {
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h = (m->wh - ty) / (n - i);
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resize(c, m->wx + mw, m->wy + ty, m->ww - mw - (2*c->bw), h - (2*c->bw), 0);
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ty += HEIGHT(c);
}
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}
void
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togglebar(const Arg *arg)
{
selmon->showbar = !selmon->showbar;
updatebarpos(selmon);
XMoveResizeWindow(dpy, selmon->barwin, selmon->wx, selmon->by, selmon->ww, bh);
arrange(selmon);
}
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 */
return;
selmon->sel->isfloating = !selmon->sel->isfloating || selmon->sel->isfixed;
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if (selmon->sel->isfloating)
resize(selmon->sel, selmon->sel->x, selmon->sel->y,
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selmon->sel->w, selmon->sel->h, 0);
arrange(selmon);
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}
void
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toggletag(const Arg *arg)
{
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unsigned int newtags;
2008-06-19 08:11:11 +00:00
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if (!selmon->sel)
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;
focus(NULL);
arrange(selmon);
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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);
2008-06-19 08:11:11 +00:00
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if (newtagset) {
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selmon->tagset[selmon->seltags] = newtagset;
focus(NULL);
arrange(selmon);
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}
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}
void
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unfocus(Client *c, int setfocus)
{
if (!c)
return;
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grabbuttons(c, 0);
XSetWindowBorder(dpy, c->win, scheme[SchemeNorm].border->pix);
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if (setfocus) {
XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime);
XDeleteProperty(dpy, root, netatom[NetActiveWindow]);
}
}
void
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unmanage(Client *c, int destroyed)
{
Monitor *m = c->mon;
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XWindowChanges wc;
/* The server grab construct avoids race conditions. */
detach(c);
detachstack(c);
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if (!destroyed) {
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wc.border_width = c->oldbw;
XGrabServer(dpy);
XSetErrorHandler(xerrordummy);
XConfigureWindow(dpy, c->win, CWBorderWidth, &wc); /* restore border */
XUngrabButton(dpy, AnyButton, AnyModifier, c->win);
setclientstate(c, WithdrawnState);
XSync(dpy, False);
XSetErrorHandler(xerror);
XUngrabServer(dpy);
}
2007-09-16 09:53:14 +00:00
free(c);
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focus(NULL);
updateclientlist();
arrange(m);
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}
void
2015-11-08 22:11:48 +00:00
unmapnotify(XEvent *e)
{
2007-09-16 09:53:14 +00:00
Client *c;
XUnmapEvent *ev = &e->xunmap;
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if ((c = wintoclient(ev->window))) {
if (ev->send_event)
setclientstate(c, WithdrawnState);
else
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unmanage(c, 0);
}
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}
2009-06-22 13:58:08 +00:00
void
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updatebars(void)
{
2009-06-22 13:58:08 +00:00
Monitor *m;
2011-05-12 14:16:33 +00:00
XSetWindowAttributes wa = {
.override_redirect = True,
.background_pixmap = ParentRelative,
.event_mask = ButtonPressMask|ExposureMask
};
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for (m = mons; m; m = m->next) {
if (m->barwin)
continue;
2009-06-22 13:58:08 +00:00
m->barwin = XCreateWindow(dpy, root, m->wx, m->by, m->ww, bh, 0, DefaultDepth(dpy, screen),
CopyFromParent, DefaultVisual(dpy, screen),
CWOverrideRedirect|CWBackPixmap|CWEventMask, &wa);
2013-06-16 13:20:29 +00:00
XDefineCursor(dpy, m->barwin, cursor[CurNormal]->cursor);
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XMapRaised(dpy, m->barwin);
}
}
void
2015-11-08 22:11:48 +00:00
updatebarpos(Monitor *m)
{
m->wy = m->my;
m->wh = m->mh;
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if (m->showbar) {
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
m->by = -bh;
}
void
2015-11-08 22:11:48 +00:00
updateclientlist()
{
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)
XChangeProperty(dpy, root, netatom[NetClientList],
XA_WINDOW, 32, PropModeAppend,
(unsigned char *) &(c->win), 1);
}
2015-11-08 21:48:43 +00:00
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)) {
int i, j, n, nn;
Client *c;
Monitor *m;
XineramaScreenInfo *info = XineramaQueryScreens(dpy, &nn);
XineramaScreenInfo *unique = NULL;
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for (n = 0, m = mons; m; m = m->next, n++);
/* only consider unique geometries as separate screens */
unique = ecalloc(nn, sizeof(XineramaScreenInfo));
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for (i = 0, j = 0; i < nn; i++)
if (isuniquegeom(unique, j, &info[i]))
memcpy(&unique[j++], &info[i], sizeof(XineramaScreenInfo));
XFree(info);
nn = j;
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if (n <= nn) {
for (i = 0; i < (nn - n); i++) { /* new monitors available */
for (m = mons; m && m->next; m = m->next);
if (m)
m->next = createmon();
else
mons = createmon();
}
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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))
{
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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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} else {
/* less monitors available nn < n */
for (i = nn; i < n; i++) {
for (m = mons; m && m->next; m = m->next);
while (m->clients) {
2015-11-08 21:48:43 +00:00
dirty = 1;
c = m->clients;
m->clients = c->next;
detachstack(c);
c->mon = mons;
attach(c);
attachstack(c);
}
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if (m == selmon)
selmon = mons;
cleanupmon(m);
}
}
free(unique);
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} else
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#endif /* XINERAMA */
2009-06-22 13:58:08 +00:00
/* default monitor setup */
{
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if (!mons)
mons = createmon();
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if (mons->mw != sw || mons->mh != sh) {
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dirty = 1;
mons->mw = mons->ww = sw;
mons->mh = mons->wh = sh;
updatebarpos(mons);
}
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}
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if (dirty) {
selmon = mons;
selmon = wintomon(root);
}
return dirty;
}
void
2015-11-08 22:11:48 +00:00
updatenumlockmask(void)
{
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]
== XKeysymToKeycode(dpy, XK_Num_Lock))
numlockmask = (1 << i);
XFreeModifiermap(modmap);
}
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 */
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) {
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->minw && c->maxh && c->minh
&& c->maxw == c->minw && c->maxh == c->minh);
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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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}
void
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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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updatewindowtype(Client *c)
{
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Atom state = getatomprop(c, netatom[NetWMState]);
Atom wtype = getatomprop(c, netatom[NetWMWindowType]);
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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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}
void
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updatewmhints(Client *c)
{
XWMHints *wmh;
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if ((wmh = XGetWMHints(dpy, c->win))) {
if (c == selmon->sel && wmh->flags & XUrgencyHint) {
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)
c->neverfocus = !wmh->input;
else
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c->neverfocus = 0;
XFree(wmh);
}
}
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void
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view(const Arg *arg)
{
if ((arg->ui & TAGMASK) == selmon->tagset[selmon->seltags])
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return;
selmon->seltags ^= 1; /* toggle sel tagset */
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if (arg->ui & TAGMASK)
selmon->tagset[selmon->seltags] = arg->ui & TAGMASK;
focus(NULL);
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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}
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/* There's no way to check accesses to destroyed windows, thus those cases are
* ignored (especially on UnmapNotify's). Other types of errors call Xlibs
* default error handler, which may call exit. */
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)
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|| (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 */
}
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. */
int
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xerrorstart(Display *dpy, XErrorEvent *ee)
{
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die("dwm: another window manager is already running\n");
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return -1;
}
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void
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zoom(const Arg *arg)
{
Client *c = selmon->sel;
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if (!selmon->lt[selmon->sellt]->arrange
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|| (selmon->sel && selmon->sel->isfloating))
return;
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if (c == nexttiled(selmon->clients))
if (!c || !(c = nexttiled(c->next)))
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return;
pop(c);
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}
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int
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main(int argc, char *argv[])
{
if (argc == 2 && !strcmp("-v", argv[1]))
die("dwm-"VERSION "\n");
else if (argc != 1)
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die("usage: dwm [-v]\n");
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if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
fputs("warning: no locale support\n", stderr);
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if (!(dpy = XOpenDisplay(NULL)))
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die("dwm: cannot open display\n");
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checkotherwm();
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setup();
scan();
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run();
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cleanup();
XCloseDisplay(dpy);
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return EXIT_SUCCESS;
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}