/* (C)opyright MMVI-MMVII Anselm R. Garbe <garbeam at gmail dot com> * See LICENSE file for license details. */ #include "dwm.h" #include <stdlib.h> #include <X11/keysym.h> #include <X11/Xatom.h> /* static */ typedef struct { unsigned long mod; KeySym keysym; void (*func)(Arg *arg); Arg arg; } Key; KEYS #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask)) #define MOUSEMASK (BUTTONMASK | PointerMotionMask) static void movemouse(Client *c) { int x1, y1, ocx, ocy, di; unsigned int dui; Window dummy; XEvent ev; ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurMove], CurrentTime) != GrabSuccess) return; c->ismax = False; XQueryPointer(dpy, root, &dummy, &dummy, &x1, &y1, &di, &di, &dui); for(;;) { XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev); switch (ev.type) { case ButtonRelease: resize(c, True, TopLeft); XUngrabPointer(dpy, CurrentTime); return; case Expose: handler[Expose](&ev); break; case MotionNotify: XSync(dpy, False); c->x = ocx + (ev.xmotion.x - x1); c->y = ocy + (ev.xmotion.y - y1); if(abs(wax + c->x) < SNAP) c->x = wax; else if(abs((wax + waw) - (c->x + c->w)) < SNAP) c->x = wax + waw - c->w - 2 * BORDERPX; if(abs(way - c->y) < SNAP) c->y = way; else if(abs((way + wah) - (c->y + c->h)) < SNAP) c->y = way + wah - c->h - 2 * BORDERPX; resize(c, False, TopLeft); break; } } } static void resizemouse(Client *c) { int ocx, ocy; int nw, nh; Corner sticky; XEvent ev; ocx = c->x; ocy = c->y; if(XGrabPointer(dpy, root, False, MOUSEMASK, GrabModeAsync, GrabModeAsync, None, cursor[CurResize], CurrentTime) != GrabSuccess) return; c->ismax = False; XWarpPointer(dpy, None, c->win, 0, 0, 0, 0, c->w, c->h); for(;;) { XMaskEvent(dpy, MOUSEMASK | ExposureMask, &ev); switch(ev.type) { case ButtonRelease: resize(c, True, TopLeft); XUngrabPointer(dpy, CurrentTime); return; case Expose: handler[Expose](&ev); break; case MotionNotify: XSync(dpy, False); if((nw = abs(ocx - ev.xmotion.x))) c->w = nw; if((nh = abs(ocy - ev.xmotion.y))) c->h = nh; c->x = (ocx <= ev.xmotion.x) ? ocx : ocx - c->w; c->y = (ocy <= ev.xmotion.y) ? ocy : ocy - c->h; if(ocx <= ev.xmotion.x) sticky = (ocy <= ev.xmotion.y) ? TopLeft : BotLeft; else sticky = (ocy <= ev.xmotion.y) ? TopRight : BotRight; resize(c, True, sticky); break; } } } static void buttonpress(XEvent *e) { int x; Arg a; Client *c; XButtonPressedEvent *ev = &e->xbutton; if(barwin == ev->window) { x = 0; for(a.i = 0; a.i < ntags; a.i++) { x += textw(tags[a.i]); if(ev->x < x) { if(ev->button == Button1) { if(ev->state & MODKEY) tag(&a); else view(&a); } else if(ev->button == Button3) { if(ev->state & MODKEY) toggletag(&a); else toggleview(&a); } return; } } if(ev->x < x + bmw) switch(ev->button) { case Button1: togglemode(NULL); break; case Button4: a.i = 1; incnmaster(&a); break; case Button5: a.i = -1; incnmaster(&a); break; } } else if((c = getclient(ev->window))) { focus(c); if(CLEANMASK(ev->state) != MODKEY) return; if(ev->button == Button1 && (arrange == dofloat || c->isfloat)) { restack(); movemouse(c); } else if(ev->button == Button2) zoom(NULL); else if(ev->button == Button3 && (arrange == dofloat || c->isfloat) && !c->isfixed) { restack(); resizemouse(c); } } } static void configurerequest(XEvent *e) { unsigned long newmask; Client *c; XConfigureRequestEvent *ev = &e->xconfigurerequest; XWindowChanges wc; if((c = getclient(ev->window))) { c->ismax = False; if(ev->value_mask & CWX) c->x = ev->x; if(ev->value_mask & CWY) c->y = ev->y; if(ev->value_mask & CWWidth) c->w = ev->width; if(ev->value_mask & CWHeight) c->h = ev->height; if(ev->value_mask & CWBorderWidth) c->border = ev->border_width; wc.x = c->x; wc.y = c->y; wc.width = c->w; wc.height = c->h; newmask = ev->value_mask & (~(CWSibling | CWStackMode | CWBorderWidth)); if(newmask) XConfigureWindow(dpy, c->win, newmask, &wc); else configure(c); XSync(dpy, False); if(c->isfloat) { resize(c, False, TopLeft); if(!isvisible(c)) XMoveWindow(dpy, c->win, c->x + 2 * sw, c->y); } else arrange(); } 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(dpy, ev->window, ev->value_mask, &wc); XSync(dpy, False); } } static void destroynotify(XEvent *e) { Client *c; XDestroyWindowEvent *ev = &e->xdestroywindow; if((c = getclient(ev->window))) unmanage(c); } static void enternotify(XEvent *e) { Client *c; XCrossingEvent *ev = &e->xcrossing; if(ev->mode != NotifyNormal || ev->detail == NotifyInferior) return; if((c = getclient(ev->window)) && isvisible(c)) focus(c); else if(ev->window == root) { issel = True; XSetInputFocus(dpy, root, RevertToPointerRoot, CurrentTime); } } static void expose(XEvent *e) { XExposeEvent *ev = &e->xexpose; if(ev->count == 0) { if(barwin == ev->window) drawstatus(); } } static void keypress(XEvent *e) { static unsigned int len = sizeof key / sizeof key[0]; unsigned int i; KeySym keysym; XKeyEvent *ev = &e->xkey; keysym = XKeycodeToKeysym(dpy, (KeyCode)ev->keycode, 0); for(i = 0; i < len; i++) { if(keysym == key[i].keysym && CLEANMASK(key[i].mod) == CLEANMASK(ev->state)) { if(key[i].func) key[i].func(&key[i].arg); } } } static void leavenotify(XEvent *e) { XCrossingEvent *ev = &e->xcrossing; if((ev->window == root) && !ev->same_screen) issel = False; } static void mappingnotify(XEvent *e) { XMappingEvent *ev = &e->xmapping; XRefreshKeyboardMapping(ev); if(ev->request == MappingKeyboard) grabkeys(); } static void maprequest(XEvent *e) { static XWindowAttributes wa; XMapRequestEvent *ev = &e->xmaprequest; if(!XGetWindowAttributes(dpy, ev->window, &wa)) return; if(wa.override_redirect) { XSelectInput(dpy, ev->window, (StructureNotifyMask | PropertyChangeMask)); return; } if(!getclient(ev->window)) manage(ev->window, &wa); } static void propertynotify(XEvent *e) { Client *c; Window trans; XPropertyEvent *ev = &e->xproperty; if(ev->state == PropertyDelete) return; /* ignore */ if((c = getclient(ev->window))) { if(ev->atom == wmatom[WMProtocols]) { c->proto = getproto(c->win); return; } switch (ev->atom) { default: break; case XA_WM_TRANSIENT_FOR: XGetTransientForHint(dpy, c->win, &trans); if(!c->isfloat && (c->isfloat = (trans != 0))) arrange(); break; case XA_WM_NORMAL_HINTS: updatesizehints(c); break; } if(ev->atom == XA_WM_NAME || ev->atom == netatom[NetWMName]) { updatetitle(c); if(c == sel) drawstatus(); } } } static void unmapnotify(XEvent *e) { Client *c; XUnmapEvent *ev = &e->xunmap; if((c = getclient(ev->window))) unmanage(c); } /* extern */ void (*handler[LASTEvent]) (XEvent *) = { [ButtonPress] = buttonpress, [ConfigureRequest] = configurerequest, [DestroyNotify] = destroynotify, [EnterNotify] = enternotify, [LeaveNotify] = leavenotify, [Expose] = expose, [KeyPress] = keypress, [MappingNotify] = mappingnotify, [MapRequest] = maprequest, [PropertyNotify] = propertynotify, [UnmapNotify] = unmapnotify }; void grabkeys(void) { static unsigned int len = sizeof key / sizeof key[0]; unsigned int i; KeyCode code; XUngrabKey(dpy, AnyKey, AnyModifier, root); for(i = 0; i < len; i++) { code = XKeysymToKeycode(dpy, key[i].keysym); XGrabKey(dpy, code, key[i].mod, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, key[i].mod | LockMask, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, key[i].mod | numlockmask, root, True, GrabModeAsync, GrabModeAsync); XGrabKey(dpy, code, key[i].mod | numlockmask | LockMask, root, True, GrabModeAsync, GrabModeAsync); } } void procevent(void) { XEvent ev; while(XPending(dpy)) { XNextEvent(dpy, &ev); if(handler[ev.type]) (handler[ev.type])(&ev); /* call handler */ } }