diff options
Diffstat (limited to 'xevents.c')
| -rw-r--r-- | xevents.c | 603 |
1 files changed, 603 insertions, 0 deletions
diff --git a/xevents.c b/xevents.c new file mode 100644 index 0000000..784730a --- /dev/null +++ b/xevents.c @@ -0,0 +1,603 @@ +/* + * calmwm - the calm window manager + * + * Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org> + * All rights reserved. + * + * $Id$ + */ + +/* + * NOTE: + * It is the responsibility of the caller to deal with memory + * management of the xevent's. + */ + +#include "headers.h" +#include "calmwm.h" + +void _sendxmsg(Window, Atom, long); + +/* + * NOTE: in reality, many of these should move to client.c now that + * we've got this nice event layer. + */ + +void +xev_handle_maprequest(struct xevent *xev, XEvent *ee) +{ + XMapRequestEvent *e = &ee->xmaprequest; + struct client_ctx *cc = NULL, *old_cc = client_current(); + XWindowAttributes xattr; + struct screen_ctx *sc; +#ifdef notyet + int state; +#endif + + if (old_cc != NULL) + client_ptrsave(old_cc); + + if ((cc = client_find(e->window)) == NULL) { + XGetWindowAttributes(G_dpy, e->window, &xattr); + cc = client_new(e->window, screen_fromroot(xattr.root), 1); + sc = CCTOSC(cc); + } else { + cc->beepbeep = 1; + } + +#ifdef notyet /* XXX - possibly, we shouldn't map if + * the window is withdrawn. */ + if (xu_getstate(cc, &state) == 0 && state == WithdrawnState) + warnx("WITHDRAWNSTATE for %s", cc->name); +#endif + + client_ptrwarp(cc); + xev_register(xev); +} + +void +xev_handle_unmapnotify(struct xevent *xev, XEvent *ee) +{ + XUnmapEvent *e = &ee->xunmap; + struct client_ctx *cc; + struct screen_ctx *sc; + int wascurrent; + + if ((cc = client_find(e->window)) != NULL) { + sc = CCTOSC(cc); + wascurrent = cc == client_current(); + client_delete(cc, e->send_event, 0); + +#ifdef notyet + /* XXX disable the ptrwarp until we handle it + * better. */ + if (!client_delete(cc, e->send_event, 0) && wascurrent) + ;/* client_ptrwarp(new_cc); */ +#endif + } + + xev_register(xev); +} + +void +xev_handle_destroynotify(struct xevent *xev, XEvent *ee) +{ + XDestroyWindowEvent *e = &ee->xdestroywindow; + struct client_ctx *cc; + + if ((cc = client_find(e->window)) != NULL) + client_delete(cc, 1, 1); + + xev_register(xev); +} + +void +xev_handle_configurerequest(struct xevent *xev, XEvent *ee) +{ + XConfigureRequestEvent *e = &ee->xconfigurerequest; + struct client_ctx *cc; + struct screen_ctx *sc; + XWindowChanges wc; + + if ((cc = client_find(e->window)) != NULL) { + sc = CCTOSC(cc); + + client_gravitate(cc, 0); + if (e->value_mask & CWWidth) + cc->geom.width = e->width; + if (e->value_mask & CWHeight) + cc->geom.height = e->height; + if (e->value_mask & CWX) + cc->geom.x = e->x; + if (e->value_mask & CWY) + cc->geom.y = e->y; + + if (cc->geom.x == 0 && + cc->geom.width >= DisplayWidth(G_dpy, sc->which)) + cc->geom.x -= cc->bwidth; + + if (cc->geom.y == 0 && + cc->geom.height >= DisplayHeight(G_dpy, sc->which)) + cc->geom.y -= cc->bwidth; + + client_gravitate(cc, 1); + + wc.x = cc->geom.x - cc->bwidth; + wc.y = cc->geom.y - cc->bwidth; + wc.width = cc->geom.width + cc->bwidth*2; + wc.height = cc->geom.height + cc->bwidth*2; + wc.border_width = 0; + + /* We need to move the parent window, too. */ + XConfigureWindow(G_dpy, cc->pwin, e->value_mask, &wc); + xev_reconfig(cc); + } + + wc.x = cc != NULL ? 0 : e->x; + wc.y = cc != NULL ? 0 : e->y; + wc.width = e->width; + wc.height = e->height; + wc.stack_mode = Above; + wc.border_width = 0; + e->value_mask &= ~CWStackMode; + e->value_mask |= CWBorderWidth; + + XConfigureWindow(G_dpy, e->window, e->value_mask, &wc); + + xev_register(xev); +} + +void +xev_handle_propertynotify(struct xevent *xev, XEvent *ee) +{ + XPropertyEvent *e = &ee->xproperty; + struct client_ctx *cc; + long tmp; + + if ((cc = client_find(e->window)) != NULL) { + switch(e->atom) { + case XA_WM_NORMAL_HINTS: + XGetWMNormalHints(G_dpy, cc->win, cc->size, &tmp); + break; + case XA_WM_NAME: + client_setname(cc); + break; + default: + /* do nothing */ + break; + } + } + + xev_register(xev); +} + +void +xev_reconfig(struct client_ctx *cc) +{ + XConfigureEvent ce; + + ce.type = ConfigureNotify; + ce.event = cc->win; + ce.window = cc->win; + ce.x = cc->geom.x; + ce.y = cc->geom.y; + ce.width = cc->geom.width; + ce.height = cc->geom.height; + ce.border_width = 0; + ce.above = None; + ce.override_redirect = 0; + + XSendEvent(G_dpy, cc->win, False, StructureNotifyMask, (XEvent *)&ce); +} + +void +xev_handle_enternotify(struct xevent *xev, XEvent *ee) +{ + XCrossingEvent *e = &ee->xcrossing; + struct client_ctx *cc; + + if ((cc = client_find(e->window)) == NULL) { + /* + * XXX - later. messes up unclutter. but may be + * needed when we introduce menu windows and such into + * the main event loop. + */ +#ifdef notyet + if (e->window != e->root) + client_nocurrent(); +#endif + } else + client_setactive(cc, 1); + + xev_register(xev); +} + +void +xev_handle_leavenotify(struct xevent *xev, XEvent *ee) +{ + client_leave(NULL); + + xev_register(xev); +} + +/* We can split this into two event handlers. */ +void +xev_handle_buttonpress(struct xevent *xev, XEvent *ee) +{ + XButtonEvent *e = &ee->xbutton; + struct client_ctx *cc, *old_cc = client_current(); + struct screen_ctx *sc = screen_fromroot(e->root); + char *wname; + int altcontrol = e->state == (ControlMask|Mod1Mask); + + cc = client_find(e->window); + + if (sc->rootwin == e->window && !altcontrol) { + struct menu_q menuq; + struct menu *mi; + + /* XXXSIGH!!!! */ + if (e->button == Button2) { + group_menu(e); + goto out; + } + + TAILQ_INIT(&menuq); + + switch (e->button) { + case Button1: + TAILQ_FOREACH(cc, &G_clientq, entry) { + if (cc->flags & CLIENT_HIDDEN) { + if (cc->label != NULL) + wname = cc->label; + else + wname = cc->name; + + if (wname == NULL) + continue; + + XCALLOC(mi, struct menu); + strlcpy(mi->text, + wname, sizeof(mi->text)); + mi->ctx = cc; + TAILQ_INSERT_TAIL(&menuq, mi, entry); + } + } + break; + case Button3: { + struct cmd *cmd; + if (conf_cmd_changed(G_conf.menu_path)) { + conf_cmd_clear(&G_conf); + conf_cmd_populate(&G_conf, G_conf.menu_path); + } + TAILQ_FOREACH(cmd, &G_conf.cmdq, entry) { + XCALLOC(mi, struct menu); + strlcpy(mi->text, cmd->label, sizeof(mi->text)); + mi->ctx = cmd; + TAILQ_INSERT_TAIL(&menuq, mi, entry); + } + break; + } + default: + break; + } + + if (TAILQ_EMPTY(&menuq)) + goto out; + + mi = (struct menu *)grab_menu(e, &menuq); + if (mi == NULL) + goto cleanup; + + switch (e->button) { + case Button1: + cc = (struct client_ctx *)mi->ctx; + client_unhide(cc); + + if (old_cc != NULL) + client_ptrsave(old_cc); + client_ptrwarp(cc); + break; + case Button3: + u_spawn(((struct cmd *)mi->ctx)->image); + break; + default: + break; + } + + cleanup: + while ((mi = TAILQ_FIRST(&menuq)) != NULL) { + TAILQ_REMOVE(&menuq, mi, entry); + xfree(mi); + } + + goto out; + } + + if (cc == NULL || e->state == 0) + goto out; + + sc = CCTOSC(cc); + + switch (e->button) { + case Button1: + if (altcontrol && !G_groupmode) + group_sticky_toggle_enter(cc); + else { + grab_drag(cc); + client_move(cc); + } + break; + case Button2: + /* XXXSIGH!!! */ + if (G_groupmode) + group_click(cc); + else { + grab_sweep(cc); + client_resize(cc); + } + break; + case Button3: + client_ptrsave(cc); + client_lower(cc); + break; + } + out: + xev_register(xev); +} + +void +xev_handle_buttonrelease(struct xevent *xev, XEvent *ee) +{ + struct client_ctx *cc = client_current(); + + if (cc != NULL && !G_groupmode) + group_sticky_toggle_exit(cc); + + xev_register(xev); + +} + +void +xev_handle_keypress(struct xevent *xev, XEvent *ee) +{ + XKeyEvent *e = &ee->xkey; + struct client_ctx *cc = NULL; /* Make gcc happy. */ + struct keybinding *kb; + KeySym keysym, skeysym; + int modshift; + + keysym = XKeycodeToKeysym(G_dpy, e->keycode, 0); + skeysym = XKeycodeToKeysym(G_dpy, e->keycode, 1); + + TAILQ_FOREACH(kb, &G_conf.keybindingq, entry) { + if (keysym != kb->keysym && skeysym == kb->keysym) + modshift = ShiftMask; + else + modshift = 0; + + if ((kb->modmask | modshift) != e->state) + continue; + + if ((kb->keycode != 0 && kb->keysym == NoSymbol && + kb->keycode == e->keycode) || kb->keysym == + (modshift == 0 ? keysym : skeysym)) + break; + } + + if (kb == NULL && e->window == screen_current()->groupwin) + group_display_keypress(e->keycode); + + if (kb == NULL) + goto out; + + if ((kb->flags & (KBFLAG_NEEDCLIENT|KBFLAG_FINDCLIENT)) && + (cc = client_find(e->window)) == NULL && + (cc = client_current()) == NULL) + if (kb->flags & KBFLAG_NEEDCLIENT) + goto out; + + (*kb->callback)(cc, kb->argument); + +out: + xev_register(xev); +} + +/* + * This is only used for the alt supression detection. + */ +void +xev_handle_keyrelease(struct xevent *xev, XEvent *ee) +{ + XKeyEvent *e = &ee->xkey; + struct screen_ctx *sc = screen_fromroot(e->root); + int keysym; + + keysym = XKeycodeToKeysym(G_dpy, e->keycode, 0); + if (keysym != XK_Alt_L && keysym != XK_Alt_R) + goto out; + + sc->altpersist = 0; + + /* + * XXX - better interface... xevents should not know about + * how/when to mtf. + */ + client_mtf(NULL); + client_altrelease(); + + out: + xev_register(xev); +} + +void +xev_handle_clientmessage(struct xevent *xev, XEvent *ee) +{ + XClientMessageEvent *e = &ee->xclient; + struct client_ctx *cc = client_find(e->window); + Atom xa_wm_change_state = XInternAtom(G_dpy, "WM_CHANGE_STATE", False); + + if (cc == NULL) + goto out; + + if (e->message_type == xa_wm_change_state && e->format == 32 && + e->data.l[0] == IconicState) + client_hide(cc); +out: + xev_register(xev); +} + +/* + * X Event handling + */ + +static struct xevent_q _xevq, _xevq_putaway; +static short _xev_q_lock = 0; + +void +xev_init(void) +{ + TAILQ_INIT(&_xevq); + TAILQ_INIT(&_xevq_putaway); +} + +struct xevent * +xev_new(Window *win, Window *root, + int type, void (*cb)(struct xevent *, XEvent *), void *arg) +{ + struct xevent *xev; + + XMALLOC(xev, struct xevent); + xev->xev_win = win; + xev->xev_root = root; + xev->xev_type = type; + xev->xev_cb = cb; + xev->xev_arg = arg; + + return (xev); +} + +void +xev_register(struct xevent *xev) +{ + struct xevent_q *xq; + + xq = _xev_q_lock ? &_xevq_putaway : &_xevq; + TAILQ_INSERT_TAIL(xq, xev, entry); +} + +void +_xev_reincorporate(void) +{ + struct xevent *xev; + + while ((xev = TAILQ_FIRST(&_xevq_putaway)) != NULL) { + TAILQ_REMOVE(&_xevq_putaway, xev, entry); + TAILQ_INSERT_TAIL(&_xevq, xev, entry); + } +} + +void +xev_handle_expose(struct xevent *xev, XEvent *ee) +{ + XExposeEvent *e = &ee->xexpose; + struct screen_ctx *sc = screen_current(); + struct client_ctx *cc; + + if ((cc = client_find(e->window)) != NULL) + client_draw_border(cc); + + if (sc->groupwin == e->window) + group_display_draw(sc); + + xev_register(xev); +} + +#define ASSIGN(xtype) do { \ + root = e. xtype .root; \ + win = e. xtype .window; \ +} while (0) + +#define ASSIGN1(xtype) do { \ + win = e. xtype .window; \ +} while (0) + +void +xev_loop(void) +{ + Window win, root; + int type; + XEvent e; + struct xevent *xev, *nextxev; + + for (;;) { +#ifdef DIAGNOSTIC + if (TAILQ_EMPTY(&_xevq)) + errx(1, "X event queue empty"); +#endif + + XNextEvent(G_dpy, &e); + type = e.type; + + win = root = 0; + + switch (type) { + case MapRequest: + ASSIGN1(xmaprequest); + break; + case UnmapNotify: + ASSIGN1(xunmap); + break; + case ConfigureRequest: + ASSIGN1(xconfigurerequest); + break; + case PropertyNotify: + ASSIGN1(xproperty); + break; + case EnterNotify: + case LeaveNotify: + ASSIGN(xcrossing); + break; + case ButtonPress: + ASSIGN(xbutton); + break; + case ButtonRelease: + ASSIGN(xbutton); + break; + case KeyPress: + case KeyRelease: + ASSIGN(xkey); + break; + case DestroyNotify: + ASSIGN1(xdestroywindow); + break; + case ClientMessage: + ASSIGN1(xclient); + break; + default: /* XXX - still need shape event support. */ + break; + } + + /* + * Now, search for matches, and call each of them. + */ + _xev_q_lock = 1; + for (xev = TAILQ_FIRST(&_xevq); xev != NULL; xev = nextxev) { + nextxev = TAILQ_NEXT(xev, entry); + + if ((type != xev->xev_type && xev->xev_type != 0) || + (xev->xev_win != NULL && win != *xev->xev_win) || + (xev->xev_root != NULL && root != *xev->xev_root)) + continue; + + TAILQ_REMOVE(&_xevq, xev, entry); + + (*xev->xev_cb)(xev, &e); + } + _xev_q_lock = 0; + _xev_reincorporate(); + } +} + +#undef ASSIGN +#undef ASSIGN1 |