mirror of
https://github.com/dylanaraps/sowm.git
synced 2025-05-19 09:30:24 -07:00
364 lines
7.7 KiB
C
364 lines
7.7 KiB
C
// sowm - An itsy bitsy floating window manager.
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#include <X11/Xlib.h>
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#include <X11/XF86keysym.h>
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#include <X11/keysym.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <unistd.h>
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#define WIN (c=list;c;c=c->next)
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#define FOC(W) XSetInputFocus(d, W, RevertToParent, CurrentTime);
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typedef union {
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const char** com;
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const int i;
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} Arg;
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struct key {
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unsigned int mod;
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KeySym keysym;
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void (*function)(const Arg arg);
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const Arg arg;
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};
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typedef struct client client;
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struct client{
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client *next, *prev;
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Window w;
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XWindowAttributes a;
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int f;
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};
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typedef struct desktop desktop;
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struct desktop{client *list;};
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static void button_press(XEvent *e);
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static void button_release();
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static void configure_request(XEvent *e);
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static void key_grab();
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static void key_press(XEvent *e);
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static void map_request(XEvent *e);
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static void notify_destroy(XEvent *e);
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static void notify_enter(XEvent *e);
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static void notify_motion(XEvent *e);
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static void run(const Arg arg);
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static void win_add(Window w);
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static void win_center(Window w);
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static void win_center_current();
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static void win_del(Window w);
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static void win_fs(Window w);
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static void win_fs_current();
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static void win_kill();
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static void win_next();
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static void win_to_ws(const Arg arg);
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static void ws_go(const Arg arg);
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static void ws_save(int i);
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static void ws_sel(int i);
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static client *list = { 0 };
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static desktop ws_list[10];
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static int ws = 1, sh, sw, s, j;
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static Display *d;
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static Window root, cur;
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static XButtonEvent mouse;
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static XWindowAttributes attr;
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#include "config.h"
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static void (*events[LASTEvent])(XEvent *e) = {
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[ButtonPress] = button_press,
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[ButtonRelease] = button_release,
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[ConfigureRequest] = configure_request,
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[KeyPress] = key_press,
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[MapRequest] = map_request,
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[DestroyNotify] = notify_destroy,
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[EnterNotify] = notify_enter,
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[MotionNotify] = notify_motion
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};
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Window win_current() {
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XGetInputFocus(d, &cur, &j);
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return cur;
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}
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void notify_destroy(XEvent *e) {
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win_del(e->xdestroywindow.window);
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win_current();
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if (list) FOC(cur == root ? list->w : cur);
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}
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void notify_enter(XEvent *e) {
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if (e->xcrossing.window != root) FOC(e->xcrossing.window)
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}
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void notify_motion(XEvent *e) {
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client *c;
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if (mouse.subwindow != None) {
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int xd = e->xbutton.x_root - mouse.x_root;
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int yd = e->xbutton.y_root - mouse.y_root;
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while(XCheckTypedEvent(d, MotionNotify, e));
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XMoveResizeWindow(d, mouse.subwindow,
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attr.x + (mouse.button==1 ? xd : 0),
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attr.y + (mouse.button==1 ? yd : 0),
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attr.width + (mouse.button==3 ? xd : 0),
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attr.height + (mouse.button==3 ? yd : 0));
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}
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for WIN if (c->w == mouse.subwindow) c->f = 0;
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}
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void key_grab() {
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KeyCode code;
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for (int i=0; i < sizeof(keys)/sizeof(*keys); ++i)
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if ((code = XKeysymToKeycode(d, keys[i].keysym)))
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XGrabKey(d, code, keys[i].mod, root,
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True, GrabModeAsync, GrabModeAsync);
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}
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void key_press(XEvent *e) {
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KeySym keysym = XKeycodeToKeysym(d, e->xkey.keycode, 0);
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for (int i=0; i < sizeof(keys)/sizeof(*keys); ++i)
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if (keys[i].keysym == keysym && keys[i].mod == e->xkey.state)
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keys[i].function(keys[i].arg);
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}
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void button_press(XEvent *e) {
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if (e->xbutton.subwindow == None) return;
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XGetWindowAttributes(d, e->xbutton.subwindow, &attr);
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XRaiseWindow(d, e->xbutton.subwindow);
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mouse = e->xbutton;
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}
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void button_release() {
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mouse.subwindow = None;
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}
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void win_add(Window w) {
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client *c, *t;
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if (!(c = (client *)calloc(1, sizeof(client))))
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exit(1);
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if (!list) {
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c->next = 0;
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c->prev = 0;
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c->w = w;
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list = c;
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} else {
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for (t=list;t->next;t=t->next);
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c->next = 0;
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c->prev = t;
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c->w = w;
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t->next = c;
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}
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ws_save(ws);
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}
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void win_del(Window w) {
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client *c;
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for WIN if (c->w == w) {
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if (!c->prev && !c->next) {
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free(list);
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list = 0;
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ws_save(ws);
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return;
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}
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if (!c->prev) {
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list = c->next;
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c->next->prev = 0;
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} else if (!c->next) {
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c->prev->next = 0;
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} else {
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c->prev->next = c->next;
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c->next->prev = c->prev;
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}
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free(c);
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ws_save(ws);
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return;
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}
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}
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void win_kill() {
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win_current();
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if (cur != root) XKillClient(d, cur);
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}
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void win_center(Window w) {
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XGetWindowAttributes(d, w, &attr);
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XMoveWindow(d, w, sw / 2 - attr.width / 2,
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sh / 2 - attr.height / 2);
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}
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void win_fs(Window w) {
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client *c;
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for WIN if (c->w == w) {
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if ((c->f = c->f == 0 ? 1 : 0)) {
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XGetWindowAttributes(d, w, &c->a);
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XMoveResizeWindow(d, w, 0, 0, sw, sh);
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} else
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XMoveResizeWindow(d, w, c->a.x, c->a.y, c->a.width, c->a.height);
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}
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}
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void win_to_ws(const Arg arg) {
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int tmp = ws;
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win_current();
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if (arg.i == tmp) return;
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ws_sel(arg.i);
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win_add(cur);
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ws_save(arg.i);
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ws_sel(tmp);
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win_del(cur);
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XUnmapWindow(d, cur);
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ws_save(tmp);
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if (list) FOC(list->w);
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}
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void win_next() {
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win_current();
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client *c;
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if (list) {
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for WIN if (c->w == cur) break;
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c = c->next ? c->next : list;
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FOC(c->w);
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XRaiseWindow(d, c->w);
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}
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}
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void win_fs_current() {
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win_fs(win_current());
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}
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void win_center_current() {
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win_center(win_current());
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}
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void ws_go(const Arg arg) {
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client *c;
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int tmp = ws;
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if (arg.i == ws) return;
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ws_save(ws);
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ws_sel(arg.i);
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if (list) for WIN XMapWindow(d, c->w);
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ws_sel(tmp);
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if (list) for WIN XUnmapWindow(d, c->w);
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ws_sel(arg.i);
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if (list) FOC(list->w);
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}
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void ws_save(int i) {
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ws_list[i].list = list;
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}
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void ws_sel(int i) {
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list = ws_list[i].list;
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ws = i;
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}
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void configure_request(XEvent *e) {
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XConfigureRequestEvent *ev = &e->xconfigurerequest;
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XWindowChanges wc;
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wc.x = ev->x;
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wc.y = ev->y;
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wc.width = ev->width;
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wc.height = ev->height;
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wc.sibling = ev->above;
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wc.stack_mode = ev->detail;
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XConfigureWindow(d, ev->window, ev->value_mask, &wc);
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}
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void map_request(XEvent *e) {
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Window w = e->xmaprequest.window;
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XSelectInput(d, w, PropertyChangeMask|StructureNotifyMask|
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EnterWindowMask|FocusChangeMask);
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win_center(w);
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XMapWindow(d, w);
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FOC(w);
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win_add(w);
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}
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void run(const Arg arg) {
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if (fork()) return;
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if (d) close(ConnectionNumber(d));
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setsid();
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execvp((char*)arg.com[0], (char**)arg.com);
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}
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int xerror(Display *d, XErrorEvent *e) {
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return 0;
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}
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int main(void) {
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XEvent ev;
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if (!(d = XOpenDisplay(0x0))) return 0;
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signal(SIGCHLD, SIG_IGN);
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XSetErrorHandler(xerror);
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s = DefaultScreen(d);
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root = RootWindow(d, s);
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sw = XDisplayWidth(d, s);
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sh = XDisplayHeight(d, s);
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key_grab();
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for (int i=0; i < sizeof(ws_list)/sizeof(*ws_list); ++i)
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ws_list[i].list = 0;
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ws_go((Arg){.i = 1});
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XSelectInput(d, root, SubstructureNotifyMask|
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SubstructureRedirectMask|EnterWindowMask|LeaveWindowMask);
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XGrabButton(d, 1, Mod4Mask, root, True,
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ButtonPressMask|ButtonReleaseMask|PointerMotionMask,
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GrabModeAsync, GrabModeAsync, None, None);
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XGrabButton(d, 3, Mod4Mask, root, True,
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ButtonPressMask|ButtonReleaseMask|PointerMotionMask,
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GrabModeAsync, GrabModeAsync, None, None);
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while(1 && !XNextEvent(d, &ev))
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if (events[ev.type]) events[ev.type](&ev);
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}
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