pspkeyboard.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 PSPKEYBOARD_H
#define PSPKEYBOARD_H

#include "common/events.h"
#include "common/stream.h"
#include "backends/platform/psp/display_client.h"
//#include "backends/platform/psp/input.h"
#include <pspctrl.h>

//number of modes
#define MODE_COUNT 4
#define guiStringsSize 8 /* size of guistrings array */

class PspEvent;

class PSPKeyboard : public DisplayClient {

private:
    enum State {
        kInvisible,
        kDefault,
        kCornersSelected,
        kLTriggerDown,
        kRTriggerDown,
        kMove
    };

public:
    PSPKeyboard();
    ~PSPKeyboard();

    bool load();                                                // Load keyboard into memory
    bool isInit() const { return _init; }                               // Check for initialization
    bool isDirty() const { return _dirty; }                         // Check if needs redrawing
    void setDirty() { _dirty = true; }
    void setClean() { _dirty = false; }
    bool isVisible() const { return _state != kInvisible; }         // Check if visible
    void setVisible(bool val);
    bool processInput(Common::Event &event, PspEvent &pspEvent, SceCtrlData &pad);  // Process input
    void moveTo(const int newX, const int newY);                // Move keyboard
    void render();                                              // Draw the keyboard onscreen
private:
    enum CursorDirections {
        kUp = 0,
        kRight,
        kDown,
        kLeft,
        kCenter
    };

    Buffer _buffers[guiStringsSize];
    Palette _palettes[guiStringsSize];
    GuRenderer _renderer;

    void increaseKeyboardLocationX(int amount);     // Move keyboard onscreen
    void increaseKeyboardLocationY(int amount);
    void convertCursorToXY(CursorDirections cur, int &x, int &y);

    bool handleMoveState(SceCtrlData &pad);
    bool handleDefaultState(Common::Event &event, SceCtrlData &pad);
    bool handleCornersSelectedState(Common::Event &event, SceCtrlData &pad);
    bool getInputChoice(Common::Event &event, SceCtrlData &pad);
    void getCursorMovement(SceCtrlData &pad);
    void handleRTriggerDownState(SceCtrlData &pad);
    void handleLTriggerDownState(SceCtrlData &pad);

    static short _modeChar[MODE_COUNT][5][6];
    static const char *_guiStrings[];
    bool _init;
    uint32 _prevButtons;    // A bit pattern.
    uint32 _buttonsChanged;

    bool _dirty;                // keyboard needs redrawing
    int _mode;                  // charset selected. (0 - letters or 1 - numbers)
    int _movedX;                // location we've moved the KB to onscreen
    int _movedY;
    bool _moved;                // whether the keyboard was moved

    State _state;               // State of keyboard Keyboard state machine
    State _lastState;

    CursorDirections _oldCursor;            // Point to place of last cursor

};

#endif /* PSPKEYBOARD_H */