gui/checkbox.cpp

// checkbox.cpp - GUICheckbox object

#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <sys/reboot.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <time.h>
#include <unistd.h>
#include <stdlib.h>

#include <string>

extern "C" {
#include "../twcommon.h"
#include "../minuitwrp/minui.h"
}

#include "rapidxml.hpp"
#include "objects.hpp"

GUICheckbox::GUICheckbox(xml_node<>* node)
    : Conditional(node)
{
    xml_attribute<>* attr;
    xml_node<>* child;

    mChecked = NULL;
    mUnchecked = NULL;
    mLabel = NULL;
    mRendered = false;

    mLastState = 0;

    if (!node)  return;

    // The label can be loaded directly
    mLabel = new GUIText(node);

    // Read the check states
    child = node->first_node("image");
    if (child)
    {
        attr = child->first_attribute("checked");
        if (attr)
            mChecked = PageManager::FindResource(attr->value());
        attr = child->first_attribute("unchecked");
        if (attr)
            mUnchecked = PageManager::FindResource(attr->value());
    }

    // Get the variable data
    child = node->first_node("data");
    if (child)
    {
        attr = child->first_attribute("variable");
        if (attr)
            mVarName = attr->value();
        attr = child->first_attribute("default");
        if (attr)
            DataManager::SetValue(mVarName, attr->value());
    }

    mCheckW = 0;    mCheckH = 0;
    if (mChecked && mChecked->GetResource())
    {
        mCheckW = gr_get_width(mChecked->GetResource());
        mCheckH = gr_get_height(mChecked->GetResource());
    }
    else if (mUnchecked && mUnchecked->GetResource())
    {
        mCheckW = gr_get_width(mUnchecked->GetResource());
        mCheckH = gr_get_height(mUnchecked->GetResource());
    }

    int x, y, w, h;
    mLabel->GetRenderPos(x, y, w, h);
    SetRenderPos(x, y, 0, 0);
    return;
}

GUICheckbox::~GUICheckbox()
{
}

int GUICheckbox::Render(void)
{
    if (!isConditionTrue())
    {
        mRendered = false;
        return 0;
    }

    int ret = 0;
    int lastState = 0;
    DataManager::GetValue(mVarName, lastState);

    if (lastState)
    {
        if (mChecked && mChecked->GetResource())
            gr_blit(mChecked->GetResource(), 0, 0, mCheckW, mCheckH, mRenderX, mRenderY);
    }
    else
    {
        if (mUnchecked && mUnchecked->GetResource())
            gr_blit(mUnchecked->GetResource(), 0, 0, mCheckW, mCheckH, mRenderX, mRenderY);
    }
    if (mLabel)     ret = mLabel->Render();
    mLastState = lastState;
    mRendered = true;
    return ret;
}

int GUICheckbox::Update(void)
{
    if (!isConditionTrue())     return (mRendered ? 2 : 0);
    if (!mRendered)             return 2;

    int lastState = 0;
    DataManager::GetValue(mVarName, lastState);

    if (lastState != mLastState)
        return 2;
    return 0;
}

int GUICheckbox::SetRenderPos(int x, int y, int w, int h)
{
    mRenderX = x;
    mRenderY = y;

    if (w || h)     return -1;

    int textW, textH;
    mLabel->GetCurrentBounds(textW, textH);

    w = textW + mCheckW + 5;
    mRenderW = w;
    mRenderH = mCheckH;

    mTextX = mRenderX + mCheckW + 5;
    mTextY = mRenderY + ((mCheckH / 2) - (textH / 2));

    mLabel->SetRenderPos(mTextX, mTextY, 0, 0);
    SetActionPos(mRenderX, mRenderY, mRenderW, mRenderH);
    return 0;
}

int GUICheckbox::NotifyTouch(TOUCH_STATE state, int x, int y)
{
    if (!isConditionTrue())     return -1;

    if (state == TOUCH_RELEASE)
    {
        int lastState;
        DataManager::GetValue(mVarName, lastState);
        lastState = (lastState == 0) ? 1 : 0;
        DataManager::SetValue(mVarName, lastState);
    }
    return 0;
}