#include <stdlib.h>

#include <stdio.h>

#include <string.h>

#include <signal.h>

#include "newt.h"

struct callbackInfo {

    newtComponent en;

    char * state;

};

void disableCallback(newtComponent co, void * data) {

    struct callbackInfo * cbi = data;

    if (*cbi->state == ' ') {

	newtEntrySetFlags(cbi->en, NEWT_FLAG_DISABLED, NEWT_FLAGS_RESET);

    } else {

	newtEntrySetFlags(cbi->en, NEWT_FLAG_DISABLED, NEWT_FLAGS_SET);

    }

    newtRefresh();

}

void suspend(void * d) {

    newtSuspend();

    raise(SIGTSTP);

    newtResume();

}

void helpCallback(newtComponent co, void * tag) {

    newtWinMessage("Help", "Ok", tag);

}

int main(void) {

    newtComponent b1, b2, r1, r2, r3, e2, e3, l1, l2, l3, scale;

    newtComponent lb, t, rsf, timeLabel;

    newtComponent cs[10];

    newtComponent f, chklist, e1;

    struct callbackInfo cbis[3];

    char results[10];

    const char * enr2, * enr3, *scaleVal;

    void ** selectedList;

    int i, numsel;

    char buf[20];

    const char * spinner = "-\\|/";

    const char * spinState;

    struct newtExitStruct es;

    newtInit();

    newtCls();

    newtSetSuspendCallback(suspend, NULL);

    newtSetHelpCallback(helpCallback);

    newtDrawRootText(0, 0, "Newt test program");

    newtPushHelpLine(NULL);

    newtDrawRootText(-50, 0, "More root text");

    newtOpenWindow(2, 2, 30, 10, "first window");

    newtOpenWindow(10, 5, 65, 16, "window 2");

    f = newtForm(NULL, "This is some help text", 0);

    chklist = newtForm(NULL, NULL, 0);

    b1 = newtButton(3, 1, "Exit");

    b2 = newtButton(18, 1, "Update");

    r1 = newtRadiobutton(20, 10, "Choice 1", 0, NULL);

    r2 = newtRadiobutton(20, 11, "Choice 2", 1, r1);

    r3 = newtRadiobutton(20, 12, "Choice 3", 0, r2);

    rsf = newtForm(NULL, NULL, 0);

    newtFormAddComponents(rsf, r1, r2, r3, NULL);

    newtFormSetBackground(rsf, NEWT_COLORSET_CHECKBOX);

    for (i = 0; i < 10; i++) {

	sprintf(buf, "Check %d", i);

	cs[i] = newtCheckbox(3, 10 + i, buf, ' ', NULL, &results[i]);

	newtFormAddComponent(chklist, cs[i]);

    }

    l1 = newtLabel(3, 6, "Scale:");

    l2 = newtLabel(3, 7, "Scrolls:");

    l3 = newtLabel(3, 8, "Hidden:");

    e1 = newtEntry(12, 6, "", 20, &scaleVal, 0);

    e2 = newtEntry(12, 7, "Default", 20, &enr2, NEWT_FLAG_SCROLL);

/*    e3 = newtEntry(12, 8, NULL, 20, &enr3, NEWT_FLAG_HIDDEN); */

    e3 = newtEntry(12, 8, NULL, 20, &enr3, NEWT_FLAG_PASSWORD);

    cbis[0].state = &results[0];

    cbis[0].en = e1;

    newtComponentAddCallback(cs[0], disableCallback, &cbis[0]);

    scale = newtScale(3, 14, 32, 100);

    newtFormSetHeight(chklist, 3);

    newtFormAddComponents(f, b1, b2, l1, l2, l3, e1, e2, e3, chklist, NULL);

    newtFormAddComponents(f, rsf, scale, NULL);

    lb = newtListbox(45, 1, 6, NEWT_FLAG_MULTIPLE | NEWT_FLAG_BORDER |

				NEWT_FLAG_SCROLL | NEWT_FLAG_SHOWCURSOR);

    newtListboxAppendEntry(lb, "First", (void *) 1);

    newtListboxAppendEntry(lb, "Second", (void *) 2);

    newtListboxAppendEntry(lb, "Third", (void *) 3);

    newtListboxAppendEntry(lb, "Fourth", (void *) 4);

    newtListboxAppendEntry(lb, "Sixth", (void *) 6);

    newtListboxAppendEntry(lb, "Seventh", (void *) 7);

    newtListboxAppendEntry(lb, "Eighth", (void *) 8);

    newtListboxAppendEntry(lb, "Ninth", (void *) 9);

    newtListboxAppendEntry(lb, "Tenth", (void *) 10);

    newtListboxInsertEntry(lb, "Fifth", (void *) 5, (void *) 4);

    newtListboxInsertEntry(lb, "Eleventh", (void *) 11, (void *) 10);

    newtListboxDeleteEntry(lb, (void *) 11);

    spinState = spinner;

    timeLabel = newtLabel(45, 8, "Spinner: -");

    t = newtTextbox(45, 10, 17, 5, NEWT_FLAG_WRAP);

    newtTextboxSetText(t, "This is some text does it look okay?\nThis should be alone.\nThis shouldn't be printed");

    newtFormAddComponents(f, lb, timeLabel, t, NULL);

    newtRefresh();

    newtFormSetTimer(f, 200);

    do {

	newtFormRun(f, &es);

	if (es.reason == NEWT_EXIT_COMPONENT && es.u.co == b2) {

	    newtScaleSet(scale, atoi(scaleVal));

	    newtRefresh();

	} else if (es.reason == NEWT_EXIT_TIMER) {

	    spinState++;

	    if (!*spinState) spinState = spinner;

	    sprintf(buf, "Spinner: %c", *spinState);

	    newtLabelSetText(timeLabel, buf);

	}

    } while (es.reason != NEWT_EXIT_COMPONENT || es.u.co == b2);

    numsel = 0;

    selectedList = newtListboxGetSelection(lb, &numsel);

    newtPopWindow();

    newtPopWindow();

    newtFinished();

    printf("got string 1: %s\n", scaleVal);

    printf("got string 2: %s\n", enr2);

    printf("got string 3: %s\n", enr3);

    newtFormDestroy(f);

    printf("\nSelected listbox items (%d):\n", numsel);

    if(selectedList) {

	for(i = 0; i < numsel; i++)

	    printf("#%d\n", (int)(long) selectedList[i]);

    }

    free(selectedList);

    return 0;

}