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380 lines
8.4 KiB
380 lines
8.4 KiB
/* See LICENSE file for copyright and license details. */
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#include "dwm.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <X11/keysym.h>
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#include <X11/Xatom.h>
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/* static */
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typedef struct {
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unsigned long mod;
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KeySym keysym;
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void (*func)(const char *arg);
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const char *arg;
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} Key;
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KEYS
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#define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
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#define MOUSEMASK (BUTTONMASK | PointerMotionMask)
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static Client *
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getclient(Window w) {
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Client *c;
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for(c = clients; c && c->win != w; c = c->next);
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return c;
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}
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static void
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movemouse(Client *c) {
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int x1, y1, ocx, ocy, di, nx, ny;
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unsigned int dui;
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Window dummy;
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XEvent ev;
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ocx = nx = c->x;
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ocy = ny = c->y;
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if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
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None, cursor[CurMove], CurrentTime) != GrabSuccess)
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return;
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c->ismax = False;
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XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui);
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for(;;) {
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XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask, &ev);
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switch (ev.type) {
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case ButtonRelease:
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XUngrabPointer(dpy, CurrentTime);
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return;
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case ConfigureRequest:
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case Expose:
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case MapRequest:
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handler[ev.type](&ev);
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break;
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case MotionNotify:
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XSync(dpy, False);
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nx = ocx + (ev.xmotion.x - x1);
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ny = ocy + (ev.xmotion.y - y1);
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if(abs(wax + nx) < SNAP)
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nx = wax;
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else if(abs((wax + waw) - (nx + c->w + 2 * c->border)) < SNAP)
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nx = wax + waw - c->w - 2 * c->border;
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if(abs(way - ny) < SNAP)
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ny = way;
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else if(abs((way + wah) - (ny + c->h + 2 * c->border)) < SNAP)
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ny = way + wah - c->h - 2 * c->border;
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resize(c, nx, ny, c->w, c->h, False);
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break;
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}
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}
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}
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static void
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resizemouse(Client *c) {
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int ocx, ocy;
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int nw, nh;
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XEvent ev;
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ocx = c->x;
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ocy = c->y;
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if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync,
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None, cursor[CurResize], CurrentTime) != GrabSuccess)
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return;
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c->ismax = False;
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XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w + c->border - 1, c->h + c->border - 1);
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for(;;) {
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XMaskEvent(dpy, MOUSEMASK | ExposureMask | SubstructureRedirectMask , &ev);
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switch(ev.type) {
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case ButtonRelease:
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XWarpPointer(dpy, None, c->win, 0, 0, 0, 0,
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c->w + c->border - 1, c->h + c->border - 1);
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XUngrabPointer(dpy, CurrentTime);
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while(XCheckMaskEvent(dpy, EnterWindowMask, &ev));
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return;
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case ConfigureRequest:
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case Expose:
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case MapRequest:
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handler[ev.type](&ev);
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break;
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case MotionNotify:
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XSync(dpy, False);
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if((nw = ev.xmotion.x - ocx - 2 * c->border + 1) <= 0)
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nw = 1;
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if((nh = ev.xmotion.y - ocy - 2 * c->border + 1) <= 0)
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nh = 1;
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resize(c, c->x, c->y, nw, nh, True);
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break;
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}
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}
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}
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static void
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buttonpress(XEvent *e) {
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static char buf[32];
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unsigned int i, x;
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Client *c;
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XButtonPressedEvent *ev = &e->xbutton;
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buf[0] = 0;
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if(barwin == ev->window) {
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x = 0;
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for(i = 0; i < ntags; i++) {
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x += textw(tags[i]);
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if(ev->x < x) {
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snprintf(buf, sizeof buf, "%d", i);
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if(ev->button == Button1) {
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if(ev->state & MODKEY)
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tag(buf);
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else
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view(buf);
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}
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else if(ev->button == Button3) {
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if(ev->state & MODKEY)
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toggletag(buf);
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else
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toggleview(buf);
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}
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return;
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}
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}
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if((ev->x < x + blw) && ev->button == Button1)
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setlayout(NULL);
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}
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else if((c = getclient(ev->window))) {
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focus(c);
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if(CLEANMASK(ev->state) != MODKEY)
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return;
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if(ev->button == Button1 && (isfloating() || c->isfloating)) {
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restack();
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movemouse(c);
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}
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else if(ev->button == Button2)
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zoom(NULL);
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else if(ev->button == Button3
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&& (isfloating() || c->isfloating) && !c->isfixed)
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{
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restack();
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resizemouse(c);
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}
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}
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}
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static void
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configurerequest(XEvent *e) {
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Client *c;
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XConfigureRequestEvent *ev = &e->xconfigurerequest;
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XWindowChanges wc;
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if((c = getclient(ev->window))) {
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c->ismax = False;
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if(ev->value_mask & CWBorderWidth)
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c->border = ev->border_width;
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if(c->isfixed || c->isfloating || isfloating()) {
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if(ev->value_mask & CWX)
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c->x = ev->x;
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if(ev->value_mask & CWY)
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c->y = ev->y;
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if(ev->value_mask & CWWidth)
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c->w = ev->width;
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if(ev->value_mask & CWHeight)
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c->h = ev->height;
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if((c->x + c->w) > sw && c->isfloating)
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c->x = sw / 2 - c->w / 2; /* center in x direction */
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if((c->y + c->h) > sh && c->isfloating)
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c->y = sh / 2 - c->h / 2; /* center in y direction */
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if((ev->value_mask & (CWX | CWY))
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&& !(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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}
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else
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configure(c);
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}
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else {
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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.border_width = ev->border_width;
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wc.sibling = ev->above;
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wc.stack_mode = ev->detail;
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XConfigureWindow(dpy, ev->window, ev->value_mask, &wc);
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}
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XSync(dpy, False);
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}
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static void
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configurenotify(XEvent *e) {
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XConfigureEvent *ev = &e->xconfigure;
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if (ev->window == root && (ev->width != sw || ev->height != sh)) {
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sw = ev->width;
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sh = ev->height;
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XFreePixmap(dpy, dc.drawable);
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dc.drawable = XCreatePixmap(dpy, root, sw, bh, DefaultDepth(dpy, screen));
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XResizeWindow(dpy, barwin, sw, bh);
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updatebarpos();
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arrange();
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}
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}
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static void
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destroynotify(XEvent *e) {
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Client *c;
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XDestroyWindowEvent *ev = &e->xdestroywindow;
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if((c = getclient(ev->window)))
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unmanage(c);
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}
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static void
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enternotify(XEvent *e) {
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Client *c;
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XCrossingEvent *ev = &e->xcrossing;
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if(ev->mode != NotifyNormal || ev->detail == NotifyInferior)
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return;
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if((c = getclient(ev->window)))
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focus(c);
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else if(ev->window == root) {
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selscreen = True;
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focus(NULL);
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}
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}
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static void
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expose(XEvent *e) {
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XExposeEvent *ev = &e->xexpose;
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if(ev->count == 0) {
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if(barwin == ev->window)
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drawstatus();
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}
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}
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static void
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keypress(XEvent *e) {
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static unsigned int len = sizeof key / sizeof key[0];
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unsigned int i;
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KeySym keysym;
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XKeyEvent *ev = &e->xkey;
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keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0);
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for(i = 0; i < len; i++)
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if(keysym == key[i].keysym
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&& CLEANMASK(key[i].mod) == CLEANMASK(ev->state))
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{
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if(key[i].func)
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key[i].func(key[i].arg);
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}
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}
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static void
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leavenotify(XEvent *e) {
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XCrossingEvent *ev = &e->xcrossing;
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if((ev->window == root) && !ev->same_screen) {
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selscreen = False;
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focus(NULL);
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}
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}
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static void
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mappingnotify(XEvent *e) {
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XMappingEvent *ev = &e->xmapping;
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XRefreshKeyboardMapping(ev);
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if(ev->request == MappingKeyboard)
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grabkeys();
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}
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static void
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maprequest(XEvent *e) {
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static XWindowAttributes wa;
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XMapRequestEvent *ev = &e->xmaprequest;
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if(!XGetWindowAttributes(dpy, ev->window, &wa))
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return;
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if(wa.override_redirect)
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return;
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if(!getclient(ev->window))
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manage(ev->window, &wa);
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}
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static void
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propertynotify(XEvent *e) {
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Client *c;
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Window trans;
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XPropertyEvent *ev = &e->xproperty;
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if(ev->state == PropertyDelete)
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return; /* ignore */
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if((c = getclient(ev->window))) {
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switch (ev->atom) {
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default: break;
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case XA_WM_TRANSIENT_FOR:
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XGetTransientForHint(dpy, c->win, &trans);
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if(!c->isfloating && (c->isfloating = (getclient(trans) != NULL)))
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arrange();
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break;
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case XA_WM_NORMAL_HINTS:
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updatesizehints(c);
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break;
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}
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if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) {
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updatetitle(c);
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if(c == sel)
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drawstatus();
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}
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}
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}
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static void
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unmapnotify(XEvent *e) {
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Client *c;
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XUnmapEvent *ev = &e->xunmap;
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if((c = getclient(ev->window)) && (ev->event == root)) {
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if(ev->send_event || c->unmapped-- == 0)
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unmanage(c);
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}
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}
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/* extern */
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void (*handler[LASTEvent]) (XEvent *) = {
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[ButtonPress] = buttonpress,
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[ConfigureRequest] = configurerequest,
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[ConfigureNotify] = configurenotify,
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[DestroyNotify] = destroynotify,
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[EnterNotify] = enternotify,
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[LeaveNotify] = leavenotify,
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[Expose] = expose,
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[KeyPress] = keypress,
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[MappingNotify] = mappingnotify,
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[MapRequest] = maprequest,
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[PropertyNotify] = propertynotify,
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[UnmapNotify] = unmapnotify
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};
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void
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grabkeys(void) {
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static unsigned int len = sizeof key / sizeof key[0];
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unsigned int i;
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KeyCode code;
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XUngrabKey(dpy, AnyKey, AnyModifier, root);
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for(i = 0; i < len; i++) {
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code = XKeysymToKeycode(dpy, key[i].keysym);
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XGrabKey(dpy, code, key[i].mod, root, True,
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GrabModeAsync, GrabModeAsync);
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XGrabKey(dpy, code, key[i].mod | LockMask, root, True,
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GrabModeAsync, GrabModeAsync);
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XGrabKey(dpy, code, key[i].mod | numlockmask, root, True,
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GrabModeAsync, GrabModeAsync);
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XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True,
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GrabModeAsync, GrabModeAsync);
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}
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}
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