input/software-keyboard/source/main.c

#include <3ds.h>
#include <stdio.h>
#include <string.h>
 
static SwkbdCallbackResult MyCallback(void* user, const char** ppMessage, const char* text, size_t textlen)
{
    if (strstr(text, "lenny"))
    {
        *ppMessage = "Nice try but I'm not letting you use that meme right now";
        return SWKBD_CALLBACK_CONTINUE;
    }
 
    if (strstr(text, "brick"))
    {
        *ppMessage = "~Time to visit Brick City~";
        return SWKBD_CALLBACK_CLOSE;
    }
 
    return SWKBD_CALLBACK_OK;
}
 
int main(int argc, char **argv)
{
    gfxInitDefault();
    consoleInit(GFX_TOP, NULL);
 
    printf("Software keyboard demo - by fincs\n");
    printf("A: text input\n");
    printf("B: numpad input\n");
    printf("X: western input\n");
    printf("Y: filtered input + HOME/POWER/reset handling\n");
    printf("START: exit\n");
 
    while (aptMainLoop())
    {
        hidScanInput();
 
        u32 kDown = hidKeysDown();
 
        if (kDown & KEY_START)
            break;
 
        static SwkbdState swkbd;
        static char mybuf[60];
        static SwkbdStatusData swkbdStatus;
        static SwkbdLearningData swkbdLearning;
        SwkbdButton button = SWKBD_BUTTON_NONE;
        bool didit = false;
 
        if (kDown & KEY_A)
        {
            didit = true;
            swkbdInit(&swkbd, SWKBD_TYPE_NORMAL, 3, -1);
            swkbdSetInitialText(&swkbd, mybuf);
            swkbdSetHintText(&swkbd, "Please enter dank memes");
            swkbdSetButton(&swkbd, SWKBD_BUTTON_LEFT, "Maybe Not", false);
            swkbdSetButton(&swkbd, SWKBD_BUTTON_MIDDLE, "~Middle~", true);
            swkbdSetButton(&swkbd, SWKBD_BUTTON_RIGHT, "Do It", true);
            swkbdSetFeatures(&swkbd, SWKBD_PREDICTIVE_INPUT);
            SwkbdDictWord words[2];
            swkbdSetDictWord(&words[0], "lenny", "( ͡° ͜ʖ ͡°)");
            swkbdSetDictWord(&words[1], "shrug", "¯\\_(ツ)_/¯");
            swkbdSetDictionary(&swkbd, words, sizeof(words)/sizeof(SwkbdDictWord));
            static bool reload = false;
            swkbdSetStatusData(&swkbd, &swkbdStatus, reload, true);
            swkbdSetLearningData(&swkbd, &swkbdLearning, reload, true);
            reload = true;
            button = swkbdInputText(&swkbd, mybuf, sizeof(mybuf));
        }
 
        if (kDown & KEY_B)
        {
            didit = true;
            swkbdInit(&swkbd, SWKBD_TYPE_NUMPAD, 1, 8);
            swkbdSetPasswordMode(&swkbd, SWKBD_PASSWORD_HIDE_DELAY);
            swkbdSetValidation(&swkbd, SWKBD_ANYTHING, 0, 0);
            swkbdSetFeatures(&swkbd, SWKBD_FIXED_WIDTH);
            swkbdSetNumpadKeys(&swkbd, L'ツ', L'益');
            button = swkbdInputText(&swkbd, mybuf, sizeof(mybuf));
        }
 
        if (kDown & KEY_X)
        {
            didit = true;
            swkbdInit(&swkbd, SWKBD_TYPE_WESTERN, 1, -1);
            swkbdSetValidation(&swkbd, SWKBD_NOTEMPTY_NOTBLANK, SWKBD_FILTER_DIGITS | SWKBD_FILTER_AT | SWKBD_FILTER_PERCENT | SWKBD_FILTER_BACKSLASH | SWKBD_FILTER_PROFANITY, 2);
            swkbdSetFeatures(&swkbd, SWKBD_MULTILINE);
            swkbdSetHintText(&swkbd, "No Japanese text allowed ¯\\_(ツ)_/¯");
            button = swkbdInputText(&swkbd, mybuf, sizeof(mybuf));
        }
 
        if (kDown & KEY_Y)
        {
            didit = true;
            swkbdInit(&swkbd, SWKBD_TYPE_WESTERN, 2, -1);
            swkbdSetValidation(&swkbd, SWKBD_NOTEMPTY_NOTBLANK, 0, 0);
            swkbdSetFeatures(&swkbd, SWKBD_DARKEN_TOP_SCREEN | SWKBD_ALLOW_HOME | SWKBD_ALLOW_RESET | SWKBD_ALLOW_POWER);
            swkbdSetFilterCallback(&swkbd, MyCallback, NULL);
 
            bool shouldQuit = false;
            mybuf[0] = 0;
            do
            {
                swkbdSetInitialText(&swkbd, mybuf);
                button = swkbdInputText(&swkbd, mybuf, sizeof(mybuf));
                if (button != SWKBD_BUTTON_NONE)
                    break;
 
                SwkbdResult res = swkbdGetResult(&swkbd);
                if (res == SWKBD_RESETPRESSED)
                {
                    shouldQuit = true;
                    aptSetChainloaderToSelf();
                    break;
                }
                else if (res != SWKBD_HOMEPRESSED && res != SWKBD_POWERPRESSED)
                    break; // An actual error happened, display it
 
                shouldQuit = !aptMainLoop();
            } while (!shouldQuit);
 
            if (shouldQuit)
                break;
        }
 
        if (didit)
        {
            if (button != SWKBD_BUTTON_NONE)
            {
                printf("You pressed button %d\n", button);
                printf("Text: %s\n", mybuf);
            } else
                printf("swkbd event: %d\n", swkbdGetResult(&swkbd));
        }
 
        // Flush and swap framebuffers
        gfxFlushBuffers();
        gfxSwapBuffers();
 
        gspWaitForVBlank();
    }
 
    gfxExit();
    return 0;
}