Add software keyboard (swkbd) library applet support (finally!)

This commit is contained in:
fincs 2016-07-04 01:08:12 +02:00
parent 15e24d19a5
commit bbd0fe92d3
4 changed files with 600 additions and 2 deletions

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@ -30,6 +30,7 @@ SOURCES := source \
source/ndsp \
source/services \
source/services/soc \
source/applets \
source/util/rbtree \
source/util/utf \
source/system

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@ -28,6 +28,7 @@ extern "C" {
#include <3ds/services/ac.h>
#include <3ds/services/am.h>
#include <3ds/services/ampxi.h>
#include <3ds/services/apt.h>
#include <3ds/services/cam.h>
#include <3ds/services/cfgnor.h>
@ -60,8 +61,6 @@ extern "C" {
#include <3ds/services/y2r.h>
#include <3ds/services/hb.h>
#include <3ds/services/ampxi.h>
#include <3ds/gpu/gx.h>
#include <3ds/gpu/gpu.h>
#include <3ds/gpu/gpu-old.h>
@ -71,6 +70,8 @@ extern "C" {
#include <3ds/ndsp/ndsp.h>
#include <3ds/ndsp/channel.h>
#include <3ds/applets/swkbd.h>
#include <3ds/sdmc.h>
#include <3ds/romfs.h>
#include <3ds/font.h>

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@ -0,0 +1,320 @@
/**
* @file swkbd.h
* @brief Software keyboard applet.
*/
#pragma once
/// Keyboard types.
typedef enum
{
SWKBD_TYPE_NORMAL = 0, ///< Normal keyboard with several pages (QWERTY/accents/symbol/mobile)
SWKBD_TYPE_QWERTY, ///< QWERTY keyboard only.
SWKBD_TYPE_NUMPAD, ///< Number pad.
SWKBD_TYPE_WESTERN, ///< On JPN systems, a text keyboard without Japanese input capabilities, otherwise same as SWKBD_TYPE_NORMAL.
} SwkbdType;
/// Accepted input types.
typedef enum
{
SWKBD_ANYTHING = 0, ///< All inputs are accepted.
SWKBD_NOTEMPTY, ///< Empty inputs are not accepted.
SWKBD_NOTEMPTY_NOTBLANK, ///< Empty or blank inputs (consisting solely of whitespace) are not accepted.
SWKBD_NOTBLANK_NOTEMPTY = SWKBD_NOTEMPTY_NOTBLANK,
SWKBD_NOTBLANK, ///< Blank inputs (consisting solely of whitespace) are not accepted, but empty inputs are.
SWKBD_FIXEDLEN, ///< The input must have a fixed length (specified by maxTextLength in swkbdInit).
} SwkbdValidInput;
/// Keyboard dialog buttons.
typedef enum
{
SWKBD_BUTTON_LEFT = 0, ///< Left button (usually Cancel)
SWKBD_BUTTON_MIDDLE, ///< Middle button (usually I Forgot)
SWKBD_BUTTON_RIGHT, ///< Right button (usually OK)
SWKBD_BUTTON_CONFIRM = SWKBD_BUTTON_RIGHT,
SWKBD_BUTTON_NONE, ///< No button (returned by swkbdInputText in special cases)
} SwkbdButton;
/// Keyboard password modes.
typedef enum
{
SWKBD_PASSWORD_NONE = 0, ///< Characters are not concealed.
SWKBD_PASSWORD_HIDE, ///< Characters are concealed immediately.
SWKBD_PASSWORD_HIDE_DELAY, ///< Characters are concealed a second after they've been typed.
} SwkbdPasswordMode;
/// Keyboard input filtering flags.
enum
{
SWKBD_FILTER_DIGITS = BIT(0), ///< Disallow the use of more than a certain number of digits (0 or more)
SWKBD_FILTER_AT = BIT(1), ///< Disallow the use of the @ sign.
SWKBD_FILTER_PERCENT = BIT(2), ///< Disallow the use of the % sign.
SWKBD_FILTER_BACKSLASH = BIT(3), ///< Disallow the use of the \ sign.
SWKBD_FILTER_PROFANITY = BIT(4), ///< Disallow profanity using Nintendo's profanity filter.
SWKBD_FILTER_CALLBACK = BIT(5), ///< Use a callback in order to check the input.
};
/// Keyboard features.
enum
{
SWKBD_PARENTAL = BIT(0), ///< Parental PIN mode.
SWKBD_DARKEN_TOP_SCREEN = BIT(1), ///< Darken the top screen when the keyboard is shown.
SWKBD_PREDICTIVE_INPUT = BIT(2), ///< Enable predictive input (necessary for Kanji input in JPN systems).
SWKBD_MULTILINE = BIT(3), ///< Enable multiline input.
SWKBD_FIXED_WIDTH = BIT(4), ///< Enable fixed-width mode.
SWKBD_ALLOW_HOME = BIT(5), ///< Allow the usage of the HOME button.
SWKBD_ALLOW_RESET = BIT(6), ///< Allow the usage of a software-reset combination.
SWKBD_ALLOW_POWER = BIT(7), ///< Allow the usage of the POWER button.
SWKBD_DEFAULT_QWERTY = BIT(9), ///< Default to the QWERTY page when the keyboard is shown.
};
/// Keyboard filter callback return values.
typedef enum
{
SWKBD_CALLBACK_OK = 0, ///< Specifies that the input is valid.
SWKBD_CALLBACK_CLOSE, ///< Displays an error message, then closes the keyboard.
SWKBD_CALLBACK_CONTINUE, ///< Displays an error message and continues displaying the keyboard.
} SwkbdCallbackResult;
/// Keyboard return values.
typedef enum
{
SWKBD_NONE = -1, ///< Dummy/unused.
SWKBD_INVALID_INPUT = -2, ///< Invalid parameters to swkbd.
SWKBD_OUTOFMEM = -3, ///< Out of memory.
SWKBD_D0_CLICK = 0, ///< The button was clicked in 1-button dialogs.
SWKBD_D1_CLICK0, ///< The left button was clicked in 2-button dialogs.
SWKBD_D1_CLICK1, ///< The right button was clicked in 2-button dialogs.
SWKBD_D2_CLICK0, ///< The left button was clicked in 3-button dialogs.
SWKBD_D2_CLICK1, ///< The middle button was clicked in 3-button dialogs.
SWKBD_D2_CLICK2, ///< The right button was clicked in 3-button dialogs.
SWKBD_HOMEPRESSED = 10, ///< The HOME button was pressed.
SWKBD_RESETPRESSED, ///< The soft-reset key combination was pressed.
SWKBD_POWERPRESSED, ///< The POWER button was pressed.
SWKBD_PARENTAL_OK = 20, ///< The parental PIN was verified successfully.
SWKBD_PARENTAL_FAIL, ///< The parental PIN was incorrect.
SWKBD_BANNED_INPUT = 30, ///< The filter callback returned SWKBD_CALLBACK_CLOSE.
} SwkbdResult;
/// Maximum dictionary word length, in UTF-16 code units.
#define SWKBD_MAX_WORD_LEN 40
/// Maximum button text length, in UTF-16 code units.
#define SWKBD_MAX_BUTTON_TEXT_LEN 16
/// Maximum hint text length, in UTF-16 code units.
#define SWKBD_MAX_HINT_TEXT_LEN 64
/// Maximum filter callback error message length, in UTF-16 code units.
#define SWKBD_MAX_CALLBACK_MSG_LEN 256
/// Keyboard dictionary word for predictive input.
typedef struct
{
u16 reading[SWKBD_MAX_WORD_LEN+1]; ///< Reading of the word (that is, the string that needs to be typed).
u16 word[SWKBD_MAX_WORD_LEN+1]; ///< Spelling of the word.
u8 language; ///< Language the word applies to.
bool all_languages; ///< Specifies if the word applies to all languages.
} SwkbdDictWord;
/// Keyboard filter callback function.
typedef SwkbdCallbackResult (* SwkbdCallbackFn)(void* user, const char** ppMessage, const char* text, size_t textlen);
/// Keyboard status data.
typedef struct { u32 data[0x11]; } SwkbdStatusData;
/// Keyboard predictive input learning data.
typedef struct { u32 data[0x291B]; } SwkbdLearningData;
/// Internal libctru book-keeping structure for software keyboards.
typedef struct
{
const char* initial_text;
const SwkbdDictWord* dict;
SwkbdStatusData* status_data;
SwkbdLearningData* learning_data;
SwkbdCallbackFn callback;
void* callback_user;
} SwkbdExtra;
/// Software keyboard parameter structure, it shouldn't be modified directly.
typedef struct
{
int type;
int num_buttons_m1;
int valid_input;
int password_mode;
int is_parental_screen;
int darken_top_screen;
u32 filter_flags;
u32 save_state_flags;
u16 max_text_len;
u16 dict_word_count;
u16 max_digits;
u16 button_text[3][SWKBD_MAX_BUTTON_TEXT_LEN+1];
u16 numpad_keys[2];
u16 hint_text[SWKBD_MAX_HINT_TEXT_LEN+1];
bool predictive_input;
bool multiline;
bool fixed_width;
bool allow_home;
bool allow_reset;
bool allow_power;
bool unknown; // XX: what is this supposed to do? "communicateWithOtherRegions"
bool default_qwerty;
bool button_submits_text[4];
u16 language; // XX: not working? supposedly 0 = use system language, CFG_Language+1 = pick language
int initial_text_offset;
int dict_offset;
int initial_status_offset;
int initial_learning_offset;
size_t shared_memory_size;
u32 version;
SwkbdResult result;
int status_offset;
int learning_offset;
int text_offset;
u16 text_length;
int callback_result;
u16 callback_msg[SWKBD_MAX_CALLBACK_MSG_LEN+1];
bool skip_at_check;
union
{
u8 reserved[171];
SwkbdExtra extra;
};
} SwkbdState;
/**
* @brief Initializes software keyboard status.
* @param swkbd Pointer to swkbd state.
* @param type Keyboard type.
* @param numButtons Number of dialog buttons to display (1, 2 or 3).
* @param maxTextLength Maximum number of UTF-16 code units that input text can have (or -1 to let libctru use a big default).
*/
void swkbdInit(SwkbdState* swkbd, SwkbdType type, int numButtons, int maxTextLength);
/**
* @brief Configures password mode in a software keyboard.
* @param swkbd Pointer to swkbd state.
* @param mode Password mode.
*/
static inline void swkbdSetPasswordMode(SwkbdState* swkbd, SwkbdPasswordMode mode)
{
swkbd->password_mode = mode;
}
/**
* @brief Configures input validation in a software keyboard.
* @param swkbd Pointer to swkbd state.
* @param validInput Specifies which inputs are valid.
* @param filterFlags Bitmask specifying which characters are disallowed (filtered).
* @param maxDigits In case digits are disallowed, specifies how many digits are allowed at maximum in input strings (0 completely restricts digit input).
*/
static inline void swkbdSetValidation(SwkbdState* swkbd, SwkbdValidInput validInput, u32 filterFlags, int maxDigits)
{
swkbd->valid_input = validInput;
swkbd->filter_flags = filterFlags;
swkbd->max_digits = (filterFlags & SWKBD_FILTER_DIGITS) ? maxDigits : 0;
}
/**
* @brief Configures what characters will the two bottom keys in a numpad produce.
* @param swkbd Pointer to swkbd state.
* @param left Unicode codepoint produced by the leftmost key in the bottom row (0 hides the key).
* @param left Unicode codepoint produced by the rightmost key in the bottom row (0 hides the key).
*/
static inline void swkbdSetNumpadKeys(SwkbdState* swkbd, int left, int right)
{
swkbd->numpad_keys[0] = left;
swkbd->numpad_keys[1] = right;
}
/**
* @brief Specifies which special features are enabled in a software keyboard.
* @param swkbd Pointer to swkbd state.
* @param features Feature bitmask.
*/
void swkbdSetFeatures(SwkbdState* swkbd, u32 features);
/**
* @brief Sets the hint text of a software keyboard (that is, the help text that is displayed when the textbox is empty).
* @param swkbd Pointer to swkbd state.
* @param text Hint text.
*/
void swkbdSetHintText(SwkbdState* swkbd, const char* text);
/**
* @brief Configures a dialog button in a software keyboard.
* @param swkbd Pointer to swkbd state.
* @param button Specifies which button to configure.
* @param text Button text.
* @param submit Specifies whether pushing the button will submit the text or discard it.
*/
void swkbdSetButton(SwkbdState* swkbd, SwkbdButton button, const char* text, bool submit);
/**
* @brief Sets the initial text that a software keyboard will display on launch.
* @param swkbd Pointer to swkbd state.
* @param text Initial text.
*/
void swkbdSetInitialText(SwkbdState* swkbd, const char* text);
/**
* @brief Configures a word in a predictive dictionary for use with a software keyboard.
* @param word Pointer to dictionary word structure.
* @param reading Reading of the word, that is, the sequence of characters that need to be typed to trigger the word in the predictive input system.
* @param text Spelling of the word, that is, the actual characters that will be produced when the user decides to select the word.
*/
void swkbdSetDictWord(SwkbdDictWord* word, const char* reading, const char* text);
/**
* @brief Sets the custom word dictionary to be used with the predictive input system of a software keyboard.
* @param swkbd Pointer to swkbd state.
* @param dict Pointer to dictionary words.
* @param wordCount Number of words in the dictionary.
*/
void swkbdSetDictionary(SwkbdState* swkbd, const SwkbdDictWord* dict, int wordCount);
/**
* @brief Configures software keyboard internal status management.
* @param swkbd Pointer to swkbd state.
* @param data Pointer to internal status structure (can be in, out or both depending on the other parameters).
* @param in Specifies whether the data should be read from the structure when the keyboard is launched.
* @param out Specifies whether the data should be written to the structure when the keyboard is closed.
*/
void swkbdSetStatusData(SwkbdState* swkbd, SwkbdStatusData* data, bool in, bool out);
/**
* @brief Configures software keyboard predictive input learning data management.
* @param swkbd Pointer to swkbd state.
* @param data Pointer to learning data structure (can be in, out or both depending on the other parameters).
* @param in Specifies whether the data should be read from the structure when the keyboard is launched.
* @param out Specifies whether the data should be written to the structure when the keyboard is closed.
*/
void swkbdSetLearningData(SwkbdState* swkbd, SwkbdLearningData* data, bool in, bool out);
/**
* @brief Configures a custom function to be used to check the validity of input when it is submitted in a software keyboard.
* @param swkbd Pointer to swkbd state.
* @param callback Filter callback function.
* @param user Custom data to be passed to the callback function.
*/
void swkbdSetFilterCallback(SwkbdState* swkbd, SwkbdCallbackFn callback, void* user);
/**
* @brief Launches a software keyboard in order to input text.
* @param swkbd Pointer to swkbd state.
* @param buf Pointer to output buffer which will hold the inputted text.
* @param bufsize Maximum number of UTF-8 code units that the buffer can hold (including null terminator).
* @return The identifier of the dialog button that was pressed, or SWKBD_BUTTON_NONE if a different condition was triggered - in that case use swkbdGetResult to check the condition.
*/
SwkbdButton swkbdInputText(SwkbdState* swkbd, char* buf, size_t bufsize);
/**
* @brief Retrieves the result condition of a software keyboard after it has been used.
* @param swkbd Pointer to swkbd state.
* @return The result value.
*/
static inline SwkbdResult swkbdGetResult(SwkbdState* swkbd)
{
return swkbd->result;
}

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@ -0,0 +1,276 @@
#include <stdlib.h>
#include <string.h>
#include <malloc.h>
#include <3ds/types.h>
#include <3ds/result.h>
#include <3ds/svc.h>
#include <3ds/synchronization.h>
#include <3ds/services/apt.h>
#include <3ds/applets/swkbd.h>
#include <3ds/ipc.h>
#include <3ds/env.h>
#include <3ds/util/utf.h>
static char* swkbdSharedMem;
static Handle swkbdSharedMemHandle;
void swkbdInit(SwkbdState* swkbd, SwkbdType type, int numButtons, int maxTextLength)
{
memset(swkbd, 0, sizeof(*swkbd));
swkbd->type = type;
swkbd->num_buttons_m1 = numButtons-1;
swkbd->max_text_len = maxTextLength > 0 ? maxTextLength : 0xFDE8;
swkbd->button_submits_text[SWKBD_BUTTON_CONFIRM] = true;
swkbd->initial_text_offset = -1;
swkbd->dict_offset = -1;
swkbd->initial_status_offset = -1;
swkbd->initial_learning_offset = -1;
swkbd->version = 5;
swkbd->result = SWKBD_NONE;
swkbd->status_offset = -1;
swkbd->learning_offset = -1;
swkbd->text_offset = -1;
}
static void swkbdConvertToUTF8(char* out, const u16* in, int max)
{
if (!in || !*in)
{
out[0] = 0;
return;
}
ssize_t units = utf16_to_utf8((uint8_t*)out, in, max);
if (units < 0)
{
out[0] = 0;
return;
}
out[units] = 0;
}
static void swkbdConvertToUTF16(u16* out, const char* in, int max)
{
if (!in || !*in)
{
out[0] = 0;
return;
}
ssize_t units = utf8_to_utf16(out, (const uint8_t*)in, max);
if (units < 0)
{
out[0] = 0;
return;
}
out[units] = 0;
}
static const u16 swkbdFeatures[] =
{
offsetof(SwkbdState, is_parental_screen),
offsetof(SwkbdState, darken_top_screen),
offsetof(SwkbdState, predictive_input),
offsetof(SwkbdState, multiline),
offsetof(SwkbdState, fixed_width),
offsetof(SwkbdState, allow_home),
offsetof(SwkbdState, allow_reset),
offsetof(SwkbdState, allow_power),
offsetof(SwkbdState, unknown),
offsetof(SwkbdState, default_qwerty),
};
void swkbdSetFeatures(SwkbdState* swkbd, u32 features)
{
int i;
for (i = 0; i < (sizeof(swkbdFeatures)/sizeof(u16)); i ++)
*((u8*)swkbd + swkbdFeatures[i]) = (features & BIT(i)) ? 1 : 0;
}
void swkbdSetHintText(SwkbdState* swkbd, const char* text)
{
swkbdConvertToUTF16(swkbd->hint_text, text, SWKBD_MAX_HINT_TEXT_LEN);
}
void swkbdSetButton(SwkbdState* swkbd, SwkbdButton button, const char* text, bool submit)
{
swkbdConvertToUTF16(swkbd->button_text[button], text, SWKBD_MAX_BUTTON_TEXT_LEN);
swkbd->button_submits_text[button] = submit;
}
void swkbdSetInitialText(SwkbdState* swkbd, const char* text)
{
swkbd->extra.initial_text = text;
}
void swkbdSetDictWord(SwkbdDictWord* word, const char* reading, const char* text)
{
swkbdConvertToUTF16(word->reading, reading, SWKBD_MAX_WORD_LEN);
swkbdConvertToUTF16(word->word, text, SWKBD_MAX_WORD_LEN);
word->language = 0;
word->all_languages = true;
}
void swkbdSetDictionary(SwkbdState* swkbd, const SwkbdDictWord* dict, int wordCount)
{
swkbd->dict_word_count = dict ? wordCount : 0;
swkbd->extra.dict = dict;
}
void swkbdSetStatusData(SwkbdState* swkbd, SwkbdStatusData* data, bool in, bool out)
{
swkbd->extra.status_data = data;
swkbd->initial_status_offset = (data&&in) ? 0 : -1;
if (data&&out) swkbd->save_state_flags |= BIT(0);
else swkbd->save_state_flags &= ~BIT(0);
}
void swkbdSetLearningData(SwkbdState* swkbd, SwkbdLearningData* data, bool in, bool out)
{
swkbd->extra.learning_data = data;
swkbd->initial_learning_offset = (data&&in) ? 0 : -1;
if (data&&out) swkbd->save_state_flags |= BIT(1);
else swkbd->save_state_flags &= ~BIT(1);
}
void swkbdSetFilterCallback(SwkbdState* swkbd, SwkbdCallbackFn callback, void* user)
{
swkbd->extra.callback = callback;
swkbd->extra.callback_user = callback ? user : NULL;
}
static void swkbdMessageCallback(void* user, NS_APPID sender, void* msg, size_t msgsize)
{
SwkbdExtra* extra = (SwkbdExtra*)user;
SwkbdState* swkbd = (SwkbdState*)msg;
if (sender != APPID_SOFTWARE_KEYBOARD || msgsize != sizeof(SwkbdState))
return;
u16* text16 = (u16*)(swkbdSharedMem + swkbd->text_offset);
ssize_t units = utf16_to_utf8(NULL, text16, 0);
if (units < 0) svcBreak(USERBREAK_PANIC); // Shouldn't happen.
char* text8 = (char*)malloc(units+1);
if (!text8) svcBreak(USERBREAK_PANIC); // Shouldn't happen.
swkbdConvertToUTF8(text8, text16, units);
const char* retmsg = NULL;
swkbd->callback_result = extra->callback(extra->callback_user, &retmsg, text8, units);
if (swkbd->callback_result > SWKBD_CALLBACK_OK)
swkbdConvertToUTF16(swkbd->callback_msg, retmsg, SWKBD_MAX_CALLBACK_MSG_LEN);
else
swkbd->callback_msg[0] = 0;
free(text8);
APT_SendParameter(envGetAptAppId(), sender, APTCMD_MESSAGE, swkbd, sizeof(*swkbd), 0);
}
SwkbdButton swkbdInputText(SwkbdState* swkbd, char* buf, size_t bufsize)
{
SwkbdExtra extra = swkbd->extra; // Struct copy
// Calculate sharedmem size
size_t sharedMemSize = 0;
sharedMemSize += (sizeof(u16)*(swkbd->max_text_len+1) + 3) &~ 3;
size_t dictOff = sharedMemSize;
sharedMemSize += (sizeof(SwkbdDictWord)*swkbd->dict_word_count + 3) &~ 3;
size_t statusOff = sharedMemSize;
sharedMemSize += swkbd->initial_status_offset >= 0 ? sizeof(SwkbdStatusData) : 0;
size_t learningOff = sharedMemSize;
sharedMemSize += swkbd->initial_learning_offset >= 0 ? sizeof(SwkbdLearningData) : 0;
if (swkbd->save_state_flags & BIT(0))
{
swkbd->status_offset = sharedMemSize;
sharedMemSize += sizeof(SwkbdStatusData);
}
if (swkbd->save_state_flags & BIT(1))
{
swkbd->learning_offset = sharedMemSize;
sharedMemSize += sizeof(SwkbdLearningData);
}
sharedMemSize = (sharedMemSize + 0xFFF) &~ 0xFFF;
swkbd->shared_memory_size = sharedMemSize;
// Allocate sharedmem
swkbdSharedMem = (char*)memalign(0x1000, sharedMemSize);
if (!swkbdSharedMem)
{
swkbd->result = SWKBD_OUTOFMEM;
return SWKBD_BUTTON_NONE;
}
// Create sharedmem block
Result res = svcCreateMemoryBlock(&swkbdSharedMemHandle, (u32)swkbdSharedMem, sharedMemSize, MEMPERM_READ|MEMPERM_WRITE, MEMPERM_READ|MEMPERM_WRITE);
if (R_FAILED(res))
{
free(swkbdSharedMem);
swkbd->result = SWKBD_OUTOFMEM;
return SWKBD_BUTTON_NONE;
}
// Copy stuff to shared mem
if (extra.initial_text)
{
swkbd->initial_text_offset = 0;
swkbdConvertToUTF16((u16*)swkbdSharedMem, extra.initial_text, swkbd->max_text_len);
}
if (extra.dict)
{
swkbd->dict_offset = dictOff;
memcpy(swkbdSharedMem+dictOff, extra.dict, sizeof(SwkbdDictWord)*swkbd->dict_word_count);
}
if (swkbd->initial_status_offset >= 0)
{
swkbd->initial_status_offset = statusOff;
memcpy(swkbdSharedMem+statusOff, extra.status_data, sizeof(SwkbdStatusData));
}
if (swkbd->initial_learning_offset >= 0)
{
swkbd->initial_learning_offset = learningOff;
memcpy(swkbdSharedMem+learningOff, extra.learning_data, sizeof(SwkbdLearningData));
}
if (extra.callback) swkbd->filter_flags |= SWKBD_FILTER_CALLBACK;
else swkbd->filter_flags &= ~SWKBD_FILTER_CALLBACK;
// Launch swkbd
memset(swkbd->reserved, 0, sizeof(swkbd->reserved));
if (extra.callback) aptSetMessageCallback(swkbdMessageCallback, &extra);
bool ret = aptLaunchLibraryApplet(APPID_SOFTWARE_KEYBOARD, swkbd, sizeof(*swkbd), swkbdSharedMemHandle);
if (extra.callback) aptSetMessageCallback(NULL, NULL);
svcCloseHandle(swkbdSharedMemHandle);
SwkbdButton button = SWKBD_BUTTON_NONE;
if (ret)
{
u16* text16 = (u16*)(swkbdSharedMem+swkbd->text_offset);
text16[swkbd->text_length] = 0;
swkbdConvertToUTF8(buf, text16, bufsize-1);
if (swkbd->save_state_flags & BIT(0)) memcpy(extra.status_data, swkbdSharedMem+swkbd->status_offset, sizeof(SwkbdStatusData));
if (swkbd->save_state_flags & BIT(1)) memcpy(extra.learning_data, swkbdSharedMem+swkbd->learning_offset, sizeof(SwkbdLearningData));
switch (swkbd->result)
{
case SWKBD_D1_CLICK0:
case SWKBD_D2_CLICK0:
button = SWKBD_BUTTON_LEFT;
break;
case SWKBD_D2_CLICK1:
button = SWKBD_BUTTON_MIDDLE;
break;
case SWKBD_D0_CLICK:
case SWKBD_D1_CLICK1:
case SWKBD_D2_CLICK2:
button = SWKBD_BUTTON_RIGHT;
break;
default:
break;
}
}
free(swkbdSharedMem);
return button;
}