usbloadergx/source/GUI/gui_numpad.cpp

/****************************************************************************
 * USB Loader GX
 *
 * r-win 2009
 *
 * gui_numpad.cpp
 *
 * GUI class definitions
 ***************************************************************************/

#include "gui.h"
#include "../main.h"
#include "../settings/CSettings.h"
#include <stdio.h>
#include <string.h>
/**
 * Constructor for the GuiNumpad class.
 */

GuiNumpad::GuiNumpad(char * t, u32 max)
{
	width = 400;
	height = 370;
	selectable = true;
	focus = 0; // allow focus
	alignmentHor = ALIGN_CENTRE;
	alignmentVert = ALIGN_MIDDLE;
	kbtextmaxlen = max > sizeof(kbtextstr) ? sizeof(kbtextstr) : max; // limit max up to sizeof(kbtextstr)
	//  strlcpy(kbtextstr, t, kbtextmaxlen);
	strncpy(kbtextstr, t, kbtextmaxlen); // strncpy is needed to fill the rest with \0
	kbtextstr[sizeof(kbtextstr) - 1] = 0; // terminate with \0

	char thekeys[11] = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '\0', '0' };
	memcpy(keys, thekeys, sizeof(thekeys));

	keyTextbox = new GuiImageData("keyboard_textbox.png");
	keyTextboxImg = new GuiImage(keyTextbox);
	keyTextboxImg->SetAlignment(ALIGN_CENTRE, ALIGN_TOP);
	keyTextboxImg->SetPosition(0, 40);//(0,0);
	this->Append(keyTextboxImg);

	kbText = new GuiText(kbtextstr, 20, ( GXColor )
	{   0, 0, 0, 0xff});
	kbText->SetAlignment(ALIGN_CENTRE, ALIGN_TOP);
	kbText->SetPosition(0, 53);//(0, 13);
	kbText->SetPassChar('*');
	this->Append(kbText);

	keyMedium = new GuiImageData("keyboard_mediumkey_over.png");

	trigA = new GuiTrigger;
	trigA->SetSimpleTrigger(-1, WPAD_BUTTON_A | WPAD_CLASSIC_BUTTON_A, PAD_BUTTON_A);
	trigB = new GuiTrigger;
	trigB->SetButtonOnlyTrigger(-1, WPAD_BUTTON_B | WPAD_CLASSIC_BUTTON_B, PAD_BUTTON_B);

	keyBackImg = new GuiImage(keyMedium);
	keyBackOverImg = new GuiImage(keyMedium);
	keyBackText = new GuiText("Back", 20, ( GXColor )
	{   0, 0, 0, 0xff});

	keyBack = new GuiButton(keyBackImg, keyBackOverImg, ALIGN_CENTRE, ALIGN_MIDDLE, 90, 80, trigA, btnSoundOver, btnSoundClick, 1);
	keyBack->SetLabel(keyBackText);
	keyBack->SetTrigger(trigB);
	this->Append(keyBack);

	keyClearImg = new GuiImage(keyMedium);
	keyClearOverImg = new GuiImage(keyMedium);
	keyClearText = new GuiText("Clear", 20, ( GXColor )
	{   0, 0, 0, 0xff});
	keyClear = new GuiButton(keyClearImg, keyClearOverImg, ALIGN_CENTRE, ALIGN_MIDDLE, -90, 80, trigA, btnSoundOver, btnSoundClick, 1);
	keyClear->SetLabel(keyClearText);
	this->Append(keyClear);

	char txt[2] = { 0, 0 };
	for (int i = 0; i < 11; i++)
	{
		if (keys[i] != '\0')
		{
			int col = i % 3;
			int row = i / 3;

			keyImg[i] = new GuiImage(keyMedium);
			keyImgOver[i] = new GuiImage(keyMedium);
			txt[0] = keys[i];
			keyTxt[i] = new GuiText(txt, 20, ( GXColor )
			{   0, 0, 0, 0xff});
			keyTxt[i]->SetAlignment(ALIGN_CENTRE, ALIGN_BOTTOM);
			keyTxt[i]->SetPosition(0, -10);
			keyBtn[i] = new GuiButton(keyImg[i], keyImgOver[i], ALIGN_CENTRE, ALIGN_MIDDLE, -90 + 90 * col, -70 + 50
					* row, trigA, btnSoundOver, btnSoundClick, 1);
			keyBtn[i]->SetLabel(keyTxt[i]);

			this->Append(keyBtn[i]);
		}
	}
}

/**
 * Destructor for the GuiKeyboard class.
 */
GuiNumpad::~GuiNumpad()
{
	delete kbText;
	delete keyTextbox;
	delete keyTextboxImg;
	delete keyBackText;
	delete keyBackImg;
	delete keyBackOverImg;
	delete keyBack;
	delete keyClear;
	delete keyClearImg;
	delete keyClearOverImg;
	delete keyClearText;
	delete keyMedium;
	delete trigA;
	delete trigB;

	for (int i = 0; i < 11; i++)
	{
		if (keys[i] != '\0')
		{
			delete keyImg[i];
			delete keyImgOver[i];
			delete keyTxt[i];
			delete keyBtn[i];
		}
	}
}

void GuiNumpad::Update(GuiTrigger * t)
{
	LOCK( this );
	if (_elements.size() == 0 || (state == STATE_DISABLED && parentElement)) return;

	for (u8 i = 0; i < _elements.size(); i++)
	{
		try
		{
			_elements.at(i)->Update(t);
		}
		catch (const std::exception& e)
		{
		}
	}

	if (keyBack->GetState() == STATE_CLICKED)
	{
		if (strlen(kbtextstr) > 0)
		{
			kbtextstr[strlen(kbtextstr) - 1] = 0;
			kbText->SetText(kbtextstr);
		}
		keyBack->SetState(STATE_SELECTED, t->chan);
	}
	else if (keyClear->GetState() == STATE_CLICKED)
	{
		memset(kbtextstr, 0, sizeof(kbtextstr));
		kbText->SetText(kbtextstr);
		keyClear->SetState(STATE_SELECTED, t->chan);
	}

	char txt[2] = { 0, 0 };
	for (int i = 0; i < 11; i++)
	{
		if (keys[i] != '\0')
		{
			if (keyBtn[i]->GetState() == STATE_CLICKED)
			{
				txt[0] = keys[i];
				if (strlen(kbtextstr) < kbtextmaxlen - 1) // -1 --> kbtextmaxlen means with term. '\0'
				{
					kbtextstr[strlen(kbtextstr)] = txt[0];
					kbText->SetText(kbtextstr);
				}
				keyBtn[i]->SetState(STATE_SELECTED, t->chan);
			}
		}
	}

	kbText->SetPosition(0, 53);

	this->ToggleFocus(t);

	if (focus) // only send actions to this window if it's in focus
	{
		// pad/joystick navigation
		if (t->Right())
			this->MoveSelectionHor(1);
		else if (t->Left())
			this->MoveSelectionHor(-1);
		else if (t->Down())
			this->MoveSelectionVert(1);
		else if (t->Up()) this->MoveSelectionVert(-1);
	}
}