struct menu * menu_filter(struct screen_ctx *sc, struct menu_q *menuq, const char *prompt, const char *initial, int flags, void (*match)(struct menu_q *, struct menu_q *, char *), void (*print)(struct menu *, int)) { struct menu_ctx mc; struct menu_q resultq; struct menu *mi = NULL; XEvent e; Window focuswin; int focusrevert, xsave, ysave, xcur, ycur; TAILQ_INIT(&resultq); xu_ptr_getpos(sc->rootwin, &xsave, &ysave); (void)memset(&mc, 0, sizeof(mc)); mc.sc = sc; mc.flags = flags; mc.match = match; mc.print = print; mc.entry = mc.prev = -1; mc.geom.x = xsave; mc.geom.y = ysave; if (mc.flags & CWM_MENU_LIST) mc.list = 1; (void)strlcpy(mc.promptstr, prompt, sizeof(mc.promptstr)); if (initial != NULL) (void)strlcpy(mc.searchstr, initial, sizeof(mc.searchstr)); else mc.searchstr[0] = '\0'; mc.win = XCreateSimpleWindow(X_Dpy, sc->rootwin, 0, 0, 1, 1, Conf.bwidth, sc->xftcolor[CWM_COLOR_MENU_FG].pixel, sc->xftcolor[CWM_COLOR_MENU_BG].pixel); mc.xftdraw = XftDrawCreate(X_Dpy, mc.win, sc->visual, sc->colormap); XSelectInput(X_Dpy, mc.win, MENUMASK); XMapRaised(X_Dpy, mc.win); if (XGrabPointer(X_Dpy, mc.win, False, MENUGRABMASK, GrabModeAsync, GrabModeAsync, None, Conf.cursor[CF_QUESTION], CurrentTime) != GrabSuccess) { XftDrawDestroy(mc.xftdraw); XDestroyWindow(X_Dpy, mc.win); } XGetInputFocus(X_Dpy, &focuswin, &focusrevert); XSetInputFocus(X_Dpy, mc.win, RevertToPointerRoot, CurrentTime); /* make sure keybindings don't remove keys from the menu stream */ XGrabKeyboard(X_Dpy, mc.win, True, GrabModeAsync, GrabModeAsync, CurrentTime); for (;;) { mc.changed = 0; XWindowEvent(X_Dpy, mc.win, MENUMASK, &e); switch (e.type) { case KeyPress: if ((mi = menu_handle_key(&e, &mc, menuq, &resultq)) != NULL) goto out; /* FALLTHROUGH */ case Expose: menu_draw(&mc, menuq, &resultq); break; case MotionNotify: menu_handle_move(&mc, &resultq, e.xbutton.x, e.xbutton.y); break; case ButtonRelease: if ((mi = menu_handle_release(&mc, &resultq, e.xbutton.x, e.xbutton.y)) != NULL) goto out; break; default: break; } } out: if ((mc.flags & CWM_MENU_DUMMY) == 0 && mi->dummy) { /* no mouse based match */ free(mi); mi = NULL; } XftDrawDestroy(mc.xftdraw); XDestroyWindow(X_Dpy, mc.win); XSetInputFocus(X_Dpy, focuswin, focusrevert, CurrentTime); /* restore if user didn't move */ xu_ptr_getpos(sc->rootwin, &xcur, &ycur); if (xcur == mc.geom.x && ycur == mc.geom.y) xu_ptr_setpos(sc->rootwin, xsave, ysave); XUngrabPointer(X_Dpy, CurrentTime); XUngrabKeyboard(X_Dpy, CurrentTime); return(mi); }
struct menu * menu_filter(struct screen_ctx *sc, struct menu_q *menuq, char *prompt, char *initial, int dummy, void (*match)(struct menu_q *, struct menu_q *, char *), void (*print)(struct menu *, int)) { struct menu_ctx mc; struct menu_q resultq; struct menu *mi = NULL; XEvent e; Window focuswin; int evmask, focusrevert; int xsave, ysave, xcur, ycur; TAILQ_INIT(&resultq); bzero(&mc, sizeof(mc)); xu_ptr_getpos(sc->rootwin, &mc.x, &mc.y); xsave = mc.x; ysave = mc.y; if (prompt == NULL) { evmask = MENUMASK; mc.promptstr[0] = '\0'; mc.list = 1; } else { evmask = MENUMASK | KEYMASK; /* only accept keys if prompt */ (void)snprintf(mc.promptstr, sizeof(mc.promptstr), "%s%s", prompt, PROMPT_SCHAR); (void)snprintf(mc.dispstr, sizeof(mc.dispstr), "%s%s%s", mc.promptstr, mc.searchstr, PROMPT_ECHAR); mc.width = font_width(sc, mc.dispstr, strlen(mc.dispstr)); mc.hasprompt = 1; } if (initial != NULL) (void)strlcpy(mc.searchstr, initial, sizeof(mc.searchstr)); else mc.searchstr[0] = '\0'; mc.match = match; mc.print = print; mc.entry = mc.prev = -1; XMoveResizeWindow(X_Dpy, sc->menuwin, mc.x, mc.y, mc.width, font_height(sc)); XSelectInput(X_Dpy, sc->menuwin, evmask); XMapRaised(X_Dpy, sc->menuwin); if (xu_ptr_grab(sc->menuwin, MENUGRABMASK, Cursor_question) < 0) { XUnmapWindow(X_Dpy, sc->menuwin); return (NULL); } XGetInputFocus(X_Dpy, &focuswin, &focusrevert); XSetInputFocus(X_Dpy, sc->menuwin, RevertToPointerRoot, CurrentTime); /* make sure keybindings don't remove keys from the menu stream */ XGrabKeyboard(X_Dpy, sc->menuwin, True, GrabModeAsync, GrabModeAsync, CurrentTime); menu_draw(sc, &mc, menuq, &resultq); for (;;) { mc.changed = 0; XWindowEvent(X_Dpy, sc->menuwin, evmask, &e); switch (e.type) { case KeyPress: if ((mi = menu_handle_key(&e, &mc, menuq, &resultq)) != NULL) goto out; /* FALLTHROUGH */ case Expose: menu_draw(sc, &mc, menuq, &resultq); break; case MotionNotify: menu_handle_move(&e, &mc, &resultq, sc); break; case ButtonRelease: if ((mi = menu_handle_release(&e, &mc, sc, &resultq)) != NULL) goto out; break; default: break; } } out: if (dummy == 0 && mi->dummy) { /* no mouse based match */ xfree(mi); mi = NULL; } XSetInputFocus(X_Dpy, focuswin, focusrevert, CurrentTime); /* restore if user didn't move */ xu_ptr_getpos(sc->rootwin, &xcur, &ycur); if (xcur == mc.x && ycur == mc.y) xu_ptr_setpos(sc->rootwin, xsave, ysave); xu_ptr_ungrab(); XUnmapWindow(X_Dpy, sc->menuwin); XUngrabKeyboard(X_Dpy, CurrentTime); return (mi); }