Function swkbdInputText

libctru/source/applets/swkbd.c:170–272

}

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));