text_control.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef TITANIC_TEXT_CONTROL_H
#define TITANIC_TEXT_CONTROL_H

#include "common/keyboard.h"
#include "titanic/support/screen_manager.h"
#include "titanic/support/strings.h"

namespace Titanic {

class CScreenManager;
class CTextCursor;
class SimpleFile;

class CTextControl {
    struct ArrayEntry {
        CString _line;
        CString _rgb;
        CString _string3;
    };

private:
    Common::Array<ArrayEntry> _array;
    CString _lines;
    bool _stringsMerged;
    Rect _bounds;
    int _maxCharsPerLine;
    int _lineCount;
    int _displayEndCharIndex;
    int _unused1;
    int _unused2;
    int _unused3;
    int _backR;
    int _backG;
    int _backB;
    int _textR;
    int _textG;
    int _textB;
    int _fontNumber;
    int _npcFlag;
    int _npcId;
    bool _hasBorder;
    int _scrollTop;
    CTextCursor *_textCursor;
private:
    void setupArrays(int count);

    void freeArrays();

    void mergeStrings();

    void appendText(const CString &str);

    void updateStr3(int lineNum);

    void constrainScrollUp(CScreenManager *screenManager);

    void constrainScrollDown(CScreenManager *screenManager);

    int getPageHeight(CScreenManager *screenManager);
public:
    CTextControl(uint count = 10);

    void setup();

    void load(SimpleFile *file, int param);

    void save(SimpleFile *file, int indent);

    void setBounds(const Rect &bounds) { _bounds = bounds; }

    void setHasBorder(bool val) { _hasBorder = val; }

    void draw(CScreenManager *screenManager);

    void resize(uint count);

    CString getText() const;

    void setText(const CString &str);

    void setText(StringId stringId);

    void setColor(uint col);

    void setColor(byte r, byte g, byte b);

    void setLineColor(uint lineNum, byte r, byte g, byte b);

    static CString getColorText(byte r, byte g, byte b);

    void setLineColor(uint lineNum, uint col);

    void setMaxCharsPerLine(int maxChars);

    void deleteLastChar();

    void setNPC(int npcFlag, int npcId);

    int displayEndIndex() const { return _displayEndCharIndex; }

    void scrollUp(CScreenManager *screenManager);

    void scrollDown(CScreenManager *screenManager);

    void scrollUpPage(CScreenManager *screenManager);

    void scrollDownPage(CScreenManager *screenManager);

    void scrollToTop(CScreenManager *screenManager);

    void scrollToBottom(CScreenManager *screenManager);

    void addLine(const CString &str);

    void addLine(const CString &str, uint color);

    void addLine(const CString &str, byte r, byte g, byte b);

    bool handleKey(char c);

    void showCursor(int mode);

    void hideCursor();

    int getNPCNum(uint ident, uint startIndex);

    void remapColors(uint count, uint *srcColors, uint *destColors);

    void setFontNumber(int fontNumber);

    int getTextWidth(CScreenManager *screenManager);

    int getTextHeight(CScreenManager *screenManager);
};

} // End of namespace Titanic

#endif /* TITANIC_TEXT_CONTROL_H */