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);
}
