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 *   Copyright  2008 dragchan <zgchan317@gmail.com>
 *   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 2
 *   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
 *   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, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

#ifndef SHELL_H
#define SHELL_H

#include "io.h"
#include "vterm.h"

enum MouseType { Press = 0, Release, DblClick, Move };

enum ButtonState {
      NoButton    = 0x0000,
      LeftButton  = 0x0001,
      RightButton = 0x0002,
      MidButton   = 0x0004,
      MouseButtonMask = 0x0007,

      ShiftButton = 0x0100,
      ControlButton     = 0x0200,
      AltButton   = 0x0400,
      ModifyButtonMask  = 0x0700

class Shell : public IoPipe, public VTerm {
      void keyInput(s8 *buf, u32 len);
      void mouseInput(u16 x, u16 y, s32 type, s32 buttons);


      void resize(u16 w, u16 h);
      void createChildProcess();
      virtual void initChildProcess() {}
      virtual void adjustCharAttr(CharAttr &attr);
      virtual void switchVt(bool enter);
      u8 defaultColor(bool foreground) { return foreground ? default_fcolor : default_bcolor; }

      virtual void readyRead(s8 *buf, u32 len);
      virtual void sendBack(const s8 *data);

      void changeTextColor(u32 start, u32 end, bool inverse);
      void textSelect(u16 x, u16 y, s32 type, s32 buttons);
      void startTextSelect(u16 x, u16 y);
      void middleTextSelect(u16 x, u16 y);
      void endTextSelect();
      void resetTextSelect();
      void autoTextSelect(u16 x, u16 y);
      void putSelectedText();

      void drawMousePointer(u16 x, u16 y);
      void clearMousePointer();

      static u8 initDefaultColor(bool foreground);
      static void initWordChars(s8 *buf, u32 len);

      static u8 default_fcolor, default_bcolor;

      s32 mPid;
      bool mInverseText;

      static struct SelectedText {
            SelectedText() {
                  text = 0;
            ~SelectedText() {
                  if (text) delete[] text;
            void setText(s8 *_text) {
                  if (text) delete[] text;
                  text = _text;

            s8 *text;
      } mSelText;
      struct TextSelection {
            TextSelection() {
                  selecting = color_inversed = false;
            u32 start, end;
            bool selecting;
            bool positive_direction;
            bool color_inversed;
      } mSelState;

      struct MousePointer {
            MousePointer() {
                  drawed = false;
            u32 pos;
            bool color_inversed;
            bool drawed;
      } mMousePointer;


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