o3de/Code/CryEngine/CrySystem/MiniGUI/MiniInfoBox.cpp

/*
* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
* its licensors.
*
* For complete copyright and license terms please see the LICENSE at the root of this
* distribution (the "License"). All use of this software is governed by the License,
* or, if provided, by the license below or the license accompanying this file. Do not
* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*
*/
// Original file Copyright Crytek GMBH or its affiliates, used under license.

// Description : Button implementation in the MiniGUI


#include "CrySystem_precompiled.h"
#include "MiniInfoBox.h"
#include "DrawContext.h"
#include <ISystem.h>

MINIGUI_BEGIN


CMiniInfoBox::CMiniInfoBox()
    : m_fTextIndent(4)
{
}

//////////////////////////////////////////////////////////////////////////
void CMiniInfoBox::SaveState()
{
    if (CheckFlag(eCtrl_Hidden))
    {
        m_saveStateOn = false;
    }
    else
    {
        m_saveStateOn = true;
    }
}

//////////////////////////////////////////////////////////////////////////
void CMiniInfoBox::Reset()
{
    SetFlag(eCtrl_Hidden);
}

//////////////////////////////////////////////////////////////////////////
void CMiniInfoBox::RestoreState()
{
    if (m_saveStateOn)
    {
        ClearFlag(eCtrl_Hidden);
    }
}

//////////////////////////////////////////////////////////////////////////
void CMiniInfoBox::OnPaint(CDrawContext& dc)
{
    if (m_requiresResize)
    {
        AutoResize();
    }

    ColorB borderCol = dc.Metrics().clrFrameBorder;
    ColorB backgroundCol = dc.Metrics().clrBackground;

    if (!m_pGUI->InFocus())
    {
        borderCol = dc.Metrics().clrFrameBorderOutOfFocus;
        backgroundCol.a = dc.Metrics().outOfFocusAlpha;
    }
    else if (m_moving)
    {
        borderCol = dc.Metrics().clrFrameBorderHighlight;
    }

    dc.DrawFrame(m_rect, borderCol, backgroundCol);

    dc.SetColor(dc.Metrics().clrTitle);
    dc.DrawString(m_rect.left + 4, m_rect.top, dc.Metrics().fTitleSize, eTextAlign_Left, GetTitle());

    float fTextSize = m_fTextSize;
    if (fTextSize == 0)
    {
        fTextSize = dc.Metrics().fTextSize;
    }

    float x = m_fTextIndent + m_rect.left + 8;
    float y = m_rect.top + fTextSize + fTextSize;
    // Draw entries.
    for (int i = 0, num = (int)m_entries.size(); i < num; i++)
    {
        SInfoEntry& info = m_entries[i];
        dc.SetColor(info.color);
        dc.DrawString(x, y, info.textSize, eTextAlign_Left, info.text);
        y += info.textSize * 0.8f;
        if (y + info.textSize > m_rect.bottom)
        {
            break;
        }
    }

    if (m_renderCallback)
    {
        m_renderCallback(m_rect.left, m_rect.top);
    }
}


//////////////////////////////////////////////////////////////////////////
void CMiniInfoBox::OnEvent(float x, float y, EMiniCtrlEvent event)
{
    CMiniCtrl::OnEvent(x, y, event);
}

void CMiniInfoBox::AddEntry(const char* str, ColorB col, float textSize)
{
    SInfoEntry info;

    info.color = col;
    info.textSize = textSize;
    cry_strcpy(info.text, str);

    m_entries.push_back(info);

    if (CheckFlag(eCtrl_AutoResize))
    {
        //set dirty flag instead of resizing for every elem
        m_requiresResize = true; //AutoResize();
    }
}

void CMiniInfoBox::ClearEntries()
{
    m_entries.clear();
    m_requiresResize = true;
}

//////////////////////////////////////////////////////////////////////////
void CMiniInfoBox::AutoResize()
{
    float width = 0.f;
    float height = 32.f;

    //must be at least the size of title and cross box
    width = m_fTextIndent + ((float)m_title.size() * 14.f) + 30.f;

    for (int i = 0, num = (int)m_entries.size(); i < num; i++)
    {
        SInfoEntry& info = m_entries[i];

        uint32 strLength = strlen(info.text);

        float strSize = info.textSize * strLength;

        width = max(strSize, width);
        height += info.textSize * 0.8f;
    }

    //scale width, could do with kerning info
    width *= 0.6f;

    Rect newRect = m_rect;
    newRect.right = newRect.left + width;
    newRect.bottom = newRect.top + height;

    SetRect(newRect);

    m_requiresResize = false;
}

MINIGUI_END