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calavera-wm.c
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calavera-wm.c
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/* See LICENSE file for copyright and license details. */
/* headers */
#include <limits.h>
#include <errno.h>
#include <stdarg.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <X11/cursorfont.h>
#include <X11/keysym.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/Xproto.h>
#include <X11/Xutil.h>
/* for multimedia keys, etc. */
#include <X11/XF86keysym.h>
#define BUFSIZE 256
/* macros */
#define BUTTONMASK (ButtonPressMask|ButtonReleaseMask)
#define CLEANMASK(mask) (mask & ~(numlockmask|LockMask) & (ShiftMask|ControlMask|Mod1Mask|Mod2Mask|Mod3Mask|Mod4Mask|Mod5Mask))
#define LENGTH(X) (sizeof X / sizeof X[0])
#define MAX(A, B) ((A) > (B) ? (A) : (B))
#define MIN(A, B) ((A) < (B) ? (A) : (B))
#define MOUSEMASK (BUTTONMASK|PointerMotionMask)
#define WIDTH(X) ((X)->w + 2 * (X)->bw)
#define HEIGHT(X) ((X)->h + 2 * (X)->bw)
#define RESIZE_MASK (CWX|CWY|CWWidth|CWHeight|CWBorderWidth)
#define EVENT_MASK (EnterWindowMask | FocusChangeMask | PropertyChangeMask | StructureNotifyMask)
#define WA_EVENT_MASK SubstructureRedirectMask|SubstructureNotifyMask|ButtonPressMask|PointerMotionMask |EnterWindowMask|LeaveWindowMask|StructureNotifyMask|PropertyChangeMask
#define ROOT RootWindow(display, DefaultScreen(display))
/* enums */
enum { PrefixKey, CmdKey }; /* prefix key */
enum { CurNormal, CurResize, CurMove, CurCmd, CurLast }; /* cursor */
/* EWMH atoms */
enum {
NetSupported,
NetWMName,
NetWMState,
NetWMFullscreen,
NetLast
};
/* default atoms */
enum {
WMProtocols,
WMDelete,
WMState,
WMTakeFocus,
WMLast,
};
typedef union {
int i;
unsigned int ui;
float f;
const void *v;
} Arg; /* argument structure by conf.h */
typedef struct {
unsigned int mask;
unsigned int button;
void (*func)(const Arg *arg);
const Arg arg;
} Button;
typedef struct Monitor Monitor;
typedef struct Client Client;
struct Client {
char name[BUFSIZE];
float mina, maxa;
int x, y, w, h; /* current position and size */
int oldx, oldy, oldw, oldh;
int basew, baseh, incw, inch, maxw, maxh, minw, minh;
int bw, oldbw;
Bool isfixed, isfloating, neverfocus, oldstate, isfullscreen;
Client *next;
Client *snext;
Window win; /* The window */
};
/* key struct */
typedef struct {
unsigned int mod;
KeySym keysym;
void (*func)(const Arg *);
const Arg arg;
} Key;
struct Monitor {
int num;
int mx, my, mw, mh; /* screen size */
int wx, wy, ww, wh; /* window area */
Client *clients;
Client *thesel;
Client *thestack;
};
typedef struct {
const char *class;
Bool isfloating;
} Rule;
/* DATA */
// atoms - ewmh
static void ewmh_init(void);
static long ewmh_getstate(Window w);
static void ewmh_setclientstate(Client *c, long state);
static Bool sendevent(Client *c, Atom proto);
// bar
static void set_padding(void);
// clients
static Bool applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact);
static void attach(Client *c);
static void attachstack(Client *c);
static void attachend(Client *c);
static void attachstackend(Client *c);
static void border_init(Client *c);
static void configure(Client *c);
static void detach(Client *c);
static void detachstack(Client *c);
static void focus(Client *c);
static void killclient(Client *c);
static void grabbuttons(Client *c, Bool focused);
static void resize(Client *c, int x, int y, int w, int h, Bool interact);
static void resizeclient(Client *c, int x, int y, int w, int h);
static void setfocus(Client *c);
static void setfullscreen(Client *c, Bool fullscreen);
static void showhide(Client *c);
static void unfocus(Client *c, Bool setfocus);
static void unmanage(Client *c, Bool destroyed);
static void updatesizehints(Client *c);
static Client *wintoclient(Window w);
// events
static void buttonpress(XEvent *e);
static void clientmessage(XEvent *e);
static void configurenotify(XEvent *e);
static void configurerequest(XEvent *e);
static void destroynotify(XEvent *e);
static void focusin(XEvent *e);
static void keypress(XEvent *e);
static void mappingnotify(XEvent *e);
static void maprequest(XEvent *e);
static void propertynotify(XEvent *e);
static void unmapnotify(XEvent *e);
// manage
static void grabkeys(int keytype);
static void manage(Window w, XWindowAttributes *wa);
static void grab_pointer(void);
static void updatenumlockmask(void);
// main
static void autorun(void);
static void checkotherwm(void);
static void cleanup(void);
static void eprint(const char *errstr, ...);
static Bool getrootptr(int *x, int *y);
static void init_cursors(void);
static void handle_events(void);
static void scan(void);
static void setup(void);
static void sigchld(int unused);
static void sync_display(void);
static int xerror(Display *display, XErrorEvent *ee);
static int xerrordummy(Display *display, XErrorEvent *ee);
static int xerrorstart(Display *display, XErrorEvent *ee);
// monitor
static void arrange_windows(void);
static Monitor *createmon(void);
static void restack(void);
static Bool updategeom(void);
// actions
static void banish(const Arg *arg);
static void center(const Arg *arg);
static void switcher(const Arg *arg);
static void killfocused(const Arg *arg);
static void exec(const Arg *arg);
static void maximize(const Arg *arg);
static void movemouse(const Arg *arg);
static void quit(const Arg *arg);
static void reload(const Arg *arg);
static void resizemouse(const Arg *arg);
static void runorraise(const Arg *arg);
static void spawn(const Arg *arg);
static void fullscreen(const Arg *arg);
static void view(const Arg *arg);
/* variables */
static char **cargv;
static int screen, screen_w, screen_h; /* X display screen geometry width, height */
static int (*xerrorxlib)(Display *, XErrorEvent *);
static unsigned int numlockmask = 0; /* dynamic key lock mask */
/* Events array */
static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
[ClientMessage] = clientmessage,
[ConfigureRequest] = configurerequest,
[ConfigureNotify] = configurenotify,
[DestroyNotify] = destroynotify,
[FocusIn] = focusin,
[KeyPress] = keypress,
[MappingNotify] = mappingnotify,
[MapRequest] = maprequest,
[PropertyNotify] = propertynotify,
[UnmapNotify] = unmapnotify
};
static Atom wmatom[WMLast], netatom[NetLast];
static Bool running = True;
static Cursor cursor[CurLast];
static Display *display; /* The connection to the X server. */
static Monitor *themon = NULL;
static Window root;
/* configuration, allows nested code to access above variables */
#include "conf.h"
/* function implementations */
Bool applysizehints(Client *c, int *x, int *y, int *w, int *h, Bool interact) {
Bool baseismin;
/* set minimum possible */
*w = MAX(1, *w);
*h = MAX(1, *h);
if(interact) {
if(*x > screen_w)
*x = screen_w - WIDTH(c);
if(*y > screen_h)
*y = screen_h - HEIGHT(c);
if(*x + *w + 2 * c->bw < 0)
*x = 0;
if(*y + *h + 2 * c->bw < 0)
*y = 0;
}
else {
if(*x >= themon->wx + themon->ww)
*x = themon->wx + themon->ww - WIDTH(c);
if(*y >= themon->wy + themon->wh)
*y = themon->wy + themon->wh - HEIGHT(c);
if(*x + *w + 2 * c->bw <= themon->wx)
*x = themon->wx;
if(*y + *h + 2 * c->bw <= themon->wy)
*y = themon->wy;
}
if(*h < TOP_SIZE)
*h = TOP_SIZE;
if(*w < TOP_SIZE)
*w = TOP_SIZE;
if(c->isfloating) {
/* see last two sentences in ICCCM 4.1.2.3 */
baseismin = c->basew == c->minw && c->baseh == c->minh;
if(!baseismin) { /* temporarily remove base dimensions */
*w -= c->basew;
*h -= c->baseh;
}
/* adjust for aspect limits */
if(c->mina > 0 && c->maxa > 0) {
if(c->maxa < (float)*w / *h)
*w = *h * c->maxa + 0.5;
else if(c->mina < (float)*h / *w)
*h = *w * c->mina + 0.5;
}
if(baseismin) { /* increment calculation requires this */
*w -= c->basew;
*h -= c->baseh;
}
/* adjust for increment value */
if(c->incw)
*w -= *w % c->incw;
if(c->inch)
*h -= *h % c->inch;
/* restore base dimensions */
*w = MAX(*w + c->basew, c->minw);
*h = MAX(*h + c->baseh, c->minh);
if(c->maxw)
*w = MIN(*w, c->maxw);
if(c->maxh)
*h = MIN(*h, c->maxh);
}
return *x != c->x || *y != c->y || *w != c->w || *h != c->h;
}
void arrange_windows() {
if(themon)
showhide(themon->thestack);
restack();
}
void attachend(Client *c) {
Client *p = themon->clients;
if(p) {
for(; p->next; p = p->next);
p->next = c;
} else {
attach(c);
}
}
void attach(Client *c) {
c->next = themon->clients;
themon->clients = c;
}
void attachstackend(Client *c) {
Client *p = themon->thestack;
if(p) {
for(; p->snext; p = p->snext);
p->snext = c;
} else {
attachstack(c);
}
}
void attachstack(Client *c) {
c->snext = themon->thestack;
themon->thestack = c;
}
void autorun(){
struct stat st;
char path[PATH_MAX];
char *home;
/* execute autostart script */
if (!(home = getenv("HOME")))
return;
snprintf(path, sizeof(path), "%s/calavera-wm/autostart", home);
if (stat(path, &st) != 0)
return;
const char* autostartcmd[] = { path, NULL };
Arg a = {.v = autostartcmd };
/* Check if file is executable */
if (S_ISREG(st.st_mode) && (st.st_mode & S_IXUSR))
spawn(&a);
}
void buttonpress(XEvent *e) {
unsigned int i, click = 0;
Client *c;
XButtonPressedEvent *ev = &e->xbutton;
if((c = wintoclient(ev->window))) {
focus(c);
click = 1;
}
for(i = 0; i < LENGTH(buttons); i++)
if(click && buttons[i].func && buttons[i].button == ev->button
&& CLEANMASK(buttons[i].mask) == CLEANMASK(ev->state))
buttons[i].func(&buttons[i].arg);
}
void banish(const Arg *arg) {
XWarpPointer(display, None, root, 0, 0, 0, 0, screen_w, screen_h);
}
void border_init(Client *c) {
XWindowChanges wc;
wc.border_width = c->bw;
XConfigureWindow(display, c->win, CWBorderWidth, &wc);
XSetWindowBorder(display, c->win, FOCUS);
}
void center(const Arg *arg) {
if(!themon->thesel || themon->thesel->isfullscreen || !(themon->thesel->isfloating))
return;
resize(themon->thesel, themon->wx + 0.5 * (themon->ww - themon->thesel->w), themon->wy + 0.5 *
(themon->wh - themon->thesel->h), themon->thesel->w, themon->thesel->h, False);
arrange_windows();
}
Atom getatomprop(Client *c, Atom prop) {
int di;
unsigned long dl;
unsigned char *p = NULL;
Atom da, atom = None;
if(XGetWindowProperty(display, c->win, prop, 0L, sizeof atom, False, XA_ATOM,
&da, &di, &dl, &dl, &p) == Success && p) {
atom = *(Atom *)p;
XFree(p);
}
return atom;
}
void checkotherwm(void) {
xerrorxlib = XSetErrorHandler(xerrorstart);
/* this causes an error if some other window manager is running */
XSelectInput(display, DefaultRootWindow(display), SubstructureRedirectMask);
sync_display();
XSetErrorHandler(xerror);
sync_display();
}
void cleanup(void) {
while(themon->thestack)
unmanage(themon->thestack, False);
XUngrabKey(display, AnyKey, AnyModifier, root);
XFreeCursor(display, cursor[CurNormal]);
XFreeCursor(display, cursor[CurResize]);
XFreeCursor(display, cursor[CurMove]);
XFreeCursor(display, cursor[CurCmd]);
sync_display();
XSetInputFocus(display, PointerRoot, RevertToPointerRoot, CurrentTime);
free(themon);
}
void clientmessage(XEvent *e) {
XClientMessageEvent *cme = &e->xclient;
Client *c = wintoclient(cme->window);
if(!c)
return;
if(cme->message_type == netatom[NetWMState]) {
if(cme->data.l[1] == netatom[NetWMFullscreen] || cme->data.l[2] == netatom[NetWMFullscreen])
setfullscreen(c, (cme->data.l[0] == 1 /* _NET_WM_STATE_ADD */
|| (cme->data.l[0] == 2 /* _NET_WM_STATE_TOGGLE */ && !c->isfullscreen)));
}
}
void configure(Client *c) {
XConfigureEvent ce;
ce.type = ConfigureNotify;
ce.display = display;
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;
ce.above = None;
ce.override_redirect = False;
XSendEvent(display, c->win, False, StructureNotifyMask, (XEvent *)&ce);
}
void configurenotify(XEvent *e) {
XConfigureEvent *ev = &e->xconfigure;
Bool dirty;
// TODO: updategeom handling sucks, needs to be simplified
if(ev->window == root) {
dirty = (screen_w != ev->width || screen_h != ev->height);
screen_w = ev->width;
screen_h = ev->height;
if(updategeom() || dirty) {
focus(NULL);
arrange_windows();
}
}
}
void configurerequest(XEvent *e) {
Client *c;
XConfigureRequestEvent *ev = &e->xconfigurerequest;
XWindowChanges wc;
if((c = wintoclient(ev->window))) {
if(ev->value_mask & CWBorderWidth)
c->bw = ev->border_width;
else if(c->isfloating) {
if(ev->value_mask & CWX) {
c->oldx = c->x;
c->x = themon->mx + ev->x;
}
if(ev->value_mask & CWY) {
c->oldy = c->y;
c->y = themon->my + ev->y;
}
if(ev->value_mask & CWWidth) {
c->oldw = c->w;
c->w = ev->width;
}
if(ev->value_mask & CWHeight) {
c->oldh = c->h;
c->h = ev->height;
}
if((c->x + c->w) > themon->mx + themon->mw && c->isfloating)
c->x = themon->mx + (themon->mw / 2 - WIDTH(c) / 2); /* center in x direction */
if((c->y + c->h) > themon->my + themon->mh && c->isfloating)
c->y = themon->my + (themon->mh / 2 - HEIGHT(c) / 2); /* center in y direction */
if((ev->value_mask & (CWX|CWY)) && !(ev->value_mask & (CWWidth|CWHeight)))
configure(c);
if(c)
XMoveResizeWindow(display, c->win, c->x, c->y, c->w, c->h);
}
else
configure(c);
}
else {
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(display, ev->window, ev->value_mask, &wc);
}
sync_display();
}
Monitor *createmon(void) {
Monitor *m;
if(!(m = (Monitor *)calloc(1, sizeof(Monitor))))
eprint("fatal: could not malloc() %u bytes\n", sizeof(Monitor));
return m;
}
void destroynotify(XEvent *e) {
Client *c;
XDestroyWindowEvent *ev = &e->xdestroywindow;
if((c = wintoclient(ev->window)))
unmanage(c, True);
}
void detach(Client *c) {
Client **tc;
for(tc = &themon->clients; *tc && *tc != c; tc = &(*tc)->next);
*tc = c->next;
}
void detachstack(Client *c) {
Client **tc;
for(tc = &themon->thestack; *tc && *tc != c; tc = &(*tc)->snext);
*tc = c->snext;
}
void eprint(const char *errstr, ...) {
va_list ap;
va_start(ap, errstr);
vfprintf(stderr, errstr, ap);
va_end(ap);
exit(EXIT_FAILURE);
}
void ewmh_init(void) {
/* ICCCM */
wmatom[WMProtocols] = XInternAtom(display, "WM_PROTOCOLS", False);
wmatom[WMDelete] = XInternAtom(display, "WM_DELETE_WINDOW", False);
wmatom[WMState] = XInternAtom(display, "WM_STATE", False);
wmatom[WMTakeFocus] = XInternAtom(display, "WM_TAKE_FOCUS", False);
/* EWMH */
netatom[NetSupported] = XInternAtom(display, "_NET_SUPPORTED", False);
/* STATES */
netatom[NetWMState] = XInternAtom(display, "_NET_WM_STATE", False);
netatom[NetWMFullscreen] = XInternAtom(display, "_NET_WM_STATE_FULLSCREEN", False);
/* CLIENTS */
netatom[NetWMName] = XInternAtom(display, "_NET_WM_NAME", False);
}
void focus(Client *c) {
if(!c)
c = themon->thestack;
if(themon->thesel && themon->thesel != c);
unfocus(themon->thesel, False);
if(c) {
detachstack(c);
attachstack(c);
grabbuttons(c, True);
XSetWindowBorder(display, c->win, FOCUS);
setfocus(c);
}
else {
XSetInputFocus(display, root, RevertToPointerRoot, CurrentTime);
}
themon->thesel = c;
}
void focusin(XEvent *e) { /* there are some broken focus acquiring clients */
XFocusChangeEvent *ev = &e->xfocus;
if(themon->thesel && ev->window != themon->thesel->win)
setfocus(themon->thesel);
}
void switcher(const Arg *arg) {
Client *c = NULL, *i;
if(!themon->thesel)
return;
if (arg->i > 0) { /* next */
if(!(c = themon->thesel->next))
c = themon->clients;
}
else { /* prev */
for(i = themon->clients; i != themon->thesel; i = i->next)
c = i;
if(!c)
for(; i; i = i->next)
c = i;
}
if(c) {
focus(c);
restack();
}
}
Bool getrootptr(int *x, int *y) {
int di;
unsigned int dui;
Window dummy;
return XQueryPointer(display, root, &dummy, &dummy, x, y, &di, &di, &dui);
}
long ewmh_getstate(Window w) {
int format;
long result = -1;
unsigned char *p = NULL;
unsigned long n, extra;
Atom real;
if(XGetWindowProperty(display, w, wmatom[WMState], 0L, 2L, False, wmatom[WMState],
&real, &format, &n, &extra, (unsigned char **)&p) != Success)
return -1;
if(n != 0)
result = *p;
XFree(p);
return result;
}
void grab_pointer() {
XGrabPointer (display, root, True, 0,
GrabModeAsync, GrabModeAsync,
None, cursor[CurCmd], CurrentTime);
}
void grabbuttons(Client *c, Bool focused) {
updatenumlockmask();
{
unsigned int i, j;
unsigned int modifiers[] = { 0, LockMask, numlockmask, numlockmask|LockMask };
XUngrabButton(display, AnyButton, AnyModifier, c->win);
if(focused) {
for(i = 0; i < LENGTH(buttons); i++)
for(j = 0; j < LENGTH(modifiers); j++)
XGrabButton(display, buttons[i].button,
buttons[i].mask | modifiers[j],
c->win, False, BUTTONMASK,
GrabModeAsync, GrabModeSync, None, None);
}
else
XGrabButton(display, AnyButton, AnyModifier, c->win, False,
BUTTONMASK, GrabModeAsync, GrabModeSync, None, None);
}
}
void grabkeys(int keytype) {
unsigned int i;
unsigned int modifiers[] = {
0,
LockMask,
numlockmask,
LockMask | numlockmask
};
KeyCode code;
if(keytype == CmdKey) {
XGrabKey(display, AnyKey, AnyModifier, root, True, GrabModeAsync,
GrabModeAsync);
if (WAITKEY) {
grab_pointer();
}
}
else {
XUngrabKey(display, AnyKey, AnyModifier, root);
if(HIDE_CURSOR) {
XWarpPointer(display, None, root, 0, 0, 0, 0, screen_w, screen_h);
}
if((code = XKeysymToKeycode(display, PREFIX_KEYSYM)))
for(i = 0; i < LENGTH(modifiers); i++)
XGrabKey(display, code, PREFIX_MODKEY | modifiers[i],
root, True, GrabModeAsync,
GrabModeAsync);
XUngrabPointer(display, CurrentTime);
}
}
void init_cursors() {
cursor[CurNormal] = XCreateFontCursor(display, CURSOR);
cursor[CurResize] = XCreateFontCursor(display, XC_bottom_right_corner);
cursor[CurMove] = XCreateFontCursor(display, XC_fleur);
cursor[CurCmd] = XCreateFontCursor(display, CURSOR_WAITKEY);
}
void handle_events(void) {
XEvent ev;
/* main event loop */
XSync(display, False);
while(running && !XNextEvent(display, &ev))
if(handler[ev.type])
handler[ev.type](&ev); /* call handler */
}
void keypress(XEvent *e) {
unsigned int i;
KeySym keysym;
XKeyEvent *ev;
static int prefixset = 0;
ev = &e->xkey;
keysym = XkbKeycodeToKeysym(display, (KeyCode)e->xkey.keycode, 0, 0);
if(!prefixset && keysym == PREFIX_KEYSYM
&& CLEANMASK(ev->state) == PREFIX_MODKEY) {
prefixset = 1;
grabkeys(CmdKey);
}
else {
for(i = 0; i < LENGTH(keys); i++)
if(keysym == keys[i].keysym
&& CLEANMASK(ev->state) == keys[i].mod && keys[i].func)
keys[i].func(&(keys[i].arg));
prefixset = 0;
grabkeys(PrefixKey);
}
}
void killclient(Client *c) {
if(!themon->thesel)
return;
if(!sendevent(themon->thesel, wmatom[WMDelete])) {
XGrabServer(display);
XSetErrorHandler(xerrordummy);
XSetCloseDownMode(display, DestroyAll);
XKillClient(display, themon->thesel->win);
sync_display();
XSetErrorHandler(xerror);
XUngrabServer(display);
}
}
void killfocused(const Arg *arg) {
if(!themon->thesel)
return;
killclient(themon->thesel);
}
/* manage the new client */
void manage(Window w, XWindowAttributes *wa) {
Client *c, *t = NULL;
Window trans = None;
XClassHint ch = { NULL, NULL };
if(!(c = calloc(1, sizeof(Client))))
eprint("fatal: could not malloc() %u bytes\n", sizeof(Client));
c->win = w;
if(XGetTransientForHint(display, w, &trans))
t = wintoclient(trans);
if(t)
themon = themon;
/* rule matching */
c->isfloating = 1;
XGetClassHint(display, c->win, &ch);
if(ch.res_class)
XFree(ch.res_class);
if(ch.res_name)
XFree(ch.res_name);
/* 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;
if(c->x + WIDTH(c) > themon->mx + themon->mw)
c->x = themon->mx + themon->mw - WIDTH(c);
if(c->y + HEIGHT(c) > themon->my + themon->mh)
c->y = themon->my + themon->mh - HEIGHT(c);
c->x = MAX(c->x, themon->mx);
/* only fix client y-offset, if the client center might cover the bar */
c->y = MAX(c->y, ((c->x + (c->w / 2) >= themon->wx)
&& (c->x + (c->w / 2) < themon->wx + themon->ww)) ? TOP_SIZE : themon->my);
c->bw = BORDER_SIZE;
border_init(c);
configure(c); /* propagates border_width, if size doesn't change */
updatesizehints(c);
XSelectInput(display, w, EVENT_MASK);
grabbuttons(c, False);
if(!c->isfloating)
c->isfloating = c->oldstate = trans != None || c->isfixed;
if(c->isfloating)
XRaiseWindow(display, c->win);
attachend(c);
attachstackend(c);
focus(c);
XMoveResizeWindow(display, c->win, c->x + 2 * screen_w, c->y, c->w, c->h); /* some windows require this */
ewmh_setclientstate(c, NormalState);
themon->thesel = c;
XMapWindow(display, c->win); /* maps the window */
arrange_windows();
focus(NULL);
}
/* regrab when keyboard map changes */
void mappingnotify(XEvent *e) {
XMappingEvent *ev = &e->xmapping;
XRefreshKeyboardMapping(ev);
if(ev->request == MappingKeyboard) {
updatenumlockmask();
grabkeys(PrefixKey);
}
}
void maprequest(XEvent *e) {
static XWindowAttributes wa;
XMapRequestEvent *ev = &e->xmaprequest;
if(!XGetWindowAttributes(display, ev->window, &wa))
return;
if(wa.override_redirect)
return;
if(!wintoclient(ev->window))
manage(ev->window, &wa);
}
void maximize(const Arg *arg) {
if(!themon->thesel || themon->thesel->isfullscreen || !(themon->thesel->isfloating))
return;
resize(themon->thesel, themon->wx, themon->wy, themon->ww - 2 * themon->thesel->bw,
themon->wh - 2 * themon->thesel->bw, False);
arrange_windows();
}
void movemouse(const Arg *arg) {
int x, y, ocx, ocy, nx, ny;
Client *c;
XEvent ev;
if(!(c = themon->thesel))
return;
if(c->isfullscreen) /* no support moving fullscreen windows by mouse */
return;
restack();
ocx = c->x;
ocy = c->y;
/* Warp pointer to center on move */
XWarpPointer(display, None, c->win, 0, 0, 0, 0, c->w / 2, c->h / 2);
if(XGrabPointer(display, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, cursor[CurMove], CurrentTime) != GrabSuccess)
return;
if(!getrootptr(&x, &y))
return;
do {
XMaskEvent(display, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) {
case ConfigureRequest:
case Expose:
case MapRequest:
handler[ev.type](&ev);
break;
case MotionNotify:
nx = ocx + (ev.xmotion.x - x);
ny = ocy + (ev.xmotion.y - y);
if(nx >= themon->wx && nx <= themon->wx + themon->ww
&& ny >= themon->wy && ny <= themon->wy + themon->wh) {
if(abs(themon->wx - nx) < SNAP)
nx = themon->wx;
else if(abs((themon->wx + themon->ww) - (nx + WIDTH(c))) < SNAP)
nx = themon->wx + themon->ww - WIDTH(c);
if(abs(themon->wy - ny) < SNAP)
ny = themon->wy;
else if(abs((themon->wy + themon->wh) - (ny + HEIGHT(c))) < SNAP)
ny = themon->wy + themon->wh - HEIGHT(c);
if(!c->isfloating && (abs(nx - c->x) > SNAP || abs(ny - c->y) > SNAP));
}
if(c->isfloating)
resize(c, nx, ny, c->w, c->h, True);
break;
}
} while(ev.type != ButtonRelease);
XUngrabPointer(display, CurrentTime);
}
void propertynotify(XEvent *e) {
Client *c;
Window trans;
XPropertyEvent *ev = &e->xproperty;
if(ev->state == PropertyDelete)
return; /* ignore */
else if((c = wintoclient(ev->window))) {
switch(ev->atom) {
default: break;
case XA_WM_TRANSIENT_FOR:
if(!c->isfloating && (XGetTransientForHint(display, c->win, &trans)) &&
(c->isfloating = (wintoclient(trans)) != NULL))
arrange_windows();
break;
case XA_WM_NORMAL_HINTS:
updatesizehints(c);
break;
}
}
}
void quit(const Arg *arg) {
running = False;
}
void reload(const Arg *arg) {
running = False;
if (arg) {
cleanup();
execvp(cargv[0], cargv);
eprint("Can't exec: %s\n", strerror(errno));
}
}
void resize(Client *c, int x, int y, int w, int h, Bool interact) {
if(applysizehints(c, &x, &y, &w, &h, interact))
resizeclient(c, x, y, w, h);
}
void resizeclient(Client *c, int x, int y, int w, int h) {
XWindowChanges wc;
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(display, c->win, RESIZE_MASK, &wc);
configure(c);
sync_display();
}
void resizemouse(const Arg *arg) {
int ocx, ocy;
int nw, nh;
Client *c;
XEvent ev;
if(!(c = themon->thesel))
return;
if(c->isfullscreen) /* no support resizing fullscreen windows by mouse */
return;
restack();
ocx = c->x;
ocy = c->y;
if(XGrabPointer(display, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
None, cursor[CurResize], CurrentTime) != GrabSuccess)
return;
/* When resizing warp pointer to left-right corner */
XWarpPointer(display, None, c->win, 0, 0, 0, 0, c->w + c->bw - 1, c->h + c->bw - 1);
do {
XMaskEvent(display, MOUSEMASK|ExposureMask|SubstructureRedirectMask, &ev);
switch(ev.type) {
case ConfigureRequest:
case Expose:
case MapRequest:
handler[ev.type](&ev);
break;
case MotionNotify: