1 files changed, 259 insertions, 0 deletions

diff --git a/core/apps/embeddedkonsole/TEScreen.h b/core/apps/embeddedkonsole/TEScreen.h
new file mode 100644
index 0000000..ba47ee5
--- a/dev/null
+++ b/core/apps/embeddedkonsole/TEScreen.h
@@ -0,0 +1,259 @@
+/* -------------------------------------------------------------------------- */
+/*                                                                            */
+/* [te_screen.h]                 Screen Data Type                             */
+/*                                                                            */
+/* -------------------------------------------------------------------------- */
+/*                                                                            */
+/* Copyright (c) 1997,1998 by Lars Doelle <lars.doelle@on-line.de>            */
+/*                                                                            */
+/* This file is part of Konsole - an X terminal for KDE                       */
+/*                                                                            */
+/* -------------------------------------------------------------------------- */
+        /*                                                                    */
+/* Ported Konsole to Qt/Embedded                                              */
+        /*                                                                    */
+/* Copyright (C) 2000 by John Ryland <jryland@trolltech.com>                  */
+        /*                                                                    */
+/* -------------------------------------------------------------------------- */
+
+#ifndef TESCREEN_H
+#define TESCREEN_H
+
+/*! \file
+*/
+
+#include "TECommon.h"
+#include "TEHistory.h"
+
+#define MODE_Origin    0
+#define MODE_Wrap      1
+#define MODE_Insert    2
+#define MODE_Screen    3
+#define MODE_Cursor    4
+#define MODE_NewLine   5
+#define MODES_SCREEN   6
+
+/*!
+*/
+struct ScreenParm
+{
+  int mode[MODES_SCREEN];
+};
+
+
+class TEScreen
+{
+public:
+    TEScreen(int lines, int columns);
+    ~TEScreen();
+
+public: // these are all `Screen' operations
+    //
+    // VT100/2 Operations ------------------
+    //
+    // Cursor Movement
+    //
+    void cursorUp    (int n);
+    void cursorDown  (int n);
+    void cursorLeft  (int n);
+    void cursorRight (int n);
+    void setCursorY  (int y);
+    void setCursorX  (int x);
+    void setCursorYX (int y, int x);
+    void setMargins  (int t, int b);
+    //
+    // Cursor Movement with Scrolling
+    //
+    void NewLine     ();
+    void NextLine    ();
+    void index       ();
+    void reverseIndex();
+    //
+    void Return      ();
+    void BackSpace   ();
+    void Tabulate    ();
+    //
+    // Editing
+    //
+    void eraseChars  (int n);
+    void deleteChars (int n);
+    void insertChars (int n);
+    void deleteLines (int n);
+    void insertLines (int n);
+    //
+    // -------------------------------------
+    //
+    void clearTabStops();
+    void changeTabStop(bool set);
+    //
+    void resetMode   (int n);
+    void setMode     (int n);
+    void saveMode    (int n);
+    void restoreMode (int n);
+    //
+    void saveCursor  ();
+    void restoreCursor();
+    //
+    // -------------------------------------
+    //
+    void clearEntireScreen();
+    void clearToEndOfScreen();
+    void clearToBeginOfScreen();
+    //
+    void clearEntireLine();
+    void clearToEndOfLine();
+    void clearToBeginOfLine();
+    //
+    void helpAlign   ();
+    //
+    // -------------------------------------
+    //
+    void setRendition  (int rendition);
+    void resetRendition(int rendition);
+    void setForeColor  (int fgcolor);
+    void setBackColor  (int bgcolor);
+    //
+    void setDefaultRendition();
+    void setForeColorToDefault();
+    void setBackColorToDefault();
+    //
+    // -------------------------------------
+    //
+    BOOL getMode     (int n);
+    //
+    // only for report cursor position
+    //
+    int  getCursorX();
+    int  getCursorY();
+    //
+    // -------------------------------------
+    //
+    void clear();
+    void home();
+    void reset();
+    //
+    void ShowCharacter(unsigned short c);
+    //
+    void resizeImage(int new_lines, int new_columns);
+    //
+    ca*  getCookedImage();
+    
+    /*! return the number of lines. */
+    int  getLines()   { return lines; }
+    /*! return the number of columns. */
+    int  getColumns() { return columns; }
+
+    /*! set the position of the history cursor. */
+    void setHistCursor(int cursor);
+    /*! return the position of the history cursor. */
+    int  getHistCursor();
+
+    int  getHistLines ();
+    void setScroll(bool on);
+    bool hasScroll();
+
+    //
+    // Selection
+    //
+    void setSelBeginXY(const int x, const int y);
+    void setSelExtentXY(const int x, const int y);
+    void clearSelection();
+    QString getSelText(const BOOL preserve_line_breaks);
+
+    void checkSelection(int from, int to);
+
+private: // helper
+
+    void clearImage(int loca, int loce, char c);
+    void moveImage(int dst, int loca, int loce);
+    
+    void scrollUp(int from, int i);
+    void scrollDown(int from, int i);
+
+    void addHistLine();
+
+    void initTabStops();
+
+    void effectiveRendition();
+    void reverseRendition(ca* p);
+
+private:
+
+    /*
+       The state of the screen is more complex as one would
+       expect first. The screem does really do part of the
+       emulation providing state informations in form of modes,
+       margins, tabulators, cursor etc.
+
+       Even more unexpected are variables to save and restore
+       parts of the state.
+    */
+
+    // screen image ----------------
+
+    int lines;
+    int columns;
+    ca *image; // [lines][columns]
+
+    // history buffer ---------------
+
+    int histCursor;   // display position relative to start of the history buffer
+    HistoryScroll hist;
+    
+    // cursor location
+
+    int cuX;
+    int cuY;
+
+    // cursor color and rendition info
+
+    UINT8 cu_fg;      // foreground
+    UINT8 cu_bg;      // background
+    UINT8 cu_re;      // rendition
+
+    // margins ----------------
+
+    int tmargin;      // top margin
+    int bmargin;      // bottom margin
+
+    // states ----------------
+
+    ScreenParm currParm;
+
+    // ----------------------------
+
+    bool* tabstops;
+
+    // selection -------------------
+
+    int sel_begin; // The first location selected.
+    int sel_TL;    // TopLeft Location.
+    int sel_BR;    // Bottom Right Location.
+
+    // effective colors and rendition ------------
+
+    UINT8 ef_fg;      // These are derived from
+    UINT8 ef_bg;      // the cu_* variables above
+    UINT8 ef_re;      // to speed up operation
+
+    //
+    // save cursor, rendition & states ------------
+    // 
+
+    // cursor location
+
+    int sa_cuX;
+    int sa_cuY;
+
+    // rendition info
+
+    UINT8 sa_cu_re;
+    UINT8 sa_cu_fg;
+    UINT8 sa_cu_bg;
+
+    // modes
+
+    ScreenParm saveParm;
+};
+
+#endif // TESCREEN_H