797 lines
28 KiB
C++
797 lines
28 KiB
C++
// File: fvterm.h
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// Provides: class FVTerm
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//
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// Inheritance diagram
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// ═══════════════════
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//
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// ▕▔▔▔▔▔▔▔▔▔▏ ▕▔▔▔▔▔▔▔▔▔▏
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// ▕ FObject ▏ ▕ FTerm ▏
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// ▕▁▁▁▁▁▁▁▁▁▏ ▕▁▁▁▁▁▁▁▁▁▏
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// ▲ ▲
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// │ │
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// └─────┬─────┘
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// │
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// ▕▔▔▔▔▔▔▔▔▏1 *▕▔▔▔▔▔▔▔▔▔▏
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// ▕ FVTerm ▏-┬- - - -▕ FString ▏
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// ▕▁▁▁▁▁▁▁▁▏ : ▕▁▁▁▁▁▁▁▁▁▏
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// :
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// : *▕▔▔▔▔▔▔▔▔▏
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// :- - - -▕ FPoint ▏
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// : ▕▁▁▁▁▁▁▁▁▏
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// :
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// : *▕▔▔▔▔▔▔▔▏
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// └- - - -▕ FRect ▏
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// ▕▁▁▁▁▁▁▁▏
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#ifndef FVTERM_H
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#define FVTERM_H
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#include <sstream> // std::stringstream
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#include "final/fterm.h"
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// Preprocessing handler macro
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#define F_PREPROC_HANDLER(i,h) \
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reinterpret_cast<FVTerm*>((i)) \
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, reinterpret_cast<FVTerm::FPreprocessingHandler>((h))
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// class forward declaration
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class FWidget;
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//----------------------------------------------------------------------
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// class FVTerm
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//----------------------------------------------------------------------
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#pragma pack(push)
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#pragma pack(1)
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class FVTerm : public FObject, public FTerm
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{
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public:
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// Typedefs and Enumeration
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typedef struct
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{
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uInt xmin; // X-position with the first change
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uInt xmax; // X-position with the last change
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uInt trans_count; // Number of transparent characters
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} line_changes;
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typedef FOptiAttr::char_data char_data;
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typedef void (FVTerm::*FPreprocessingHandler)();
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struct vterm_preprocessing
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{
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FVTerm* instance;
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FPreprocessingHandler handler;
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};
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typedef std::vector<vterm_preprocessing> FPreprocessing;
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// define virtual terminal character properties
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struct term_area
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{
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public:
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term_area()
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: offset_left (0)
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, offset_top (0)
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, width (-1)
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, height (-1)
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, right_shadow (0)
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, bottom_shadow (0)
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, cursor_x (0)
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, cursor_y (0)
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, input_cursor_x (-1)
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, input_cursor_y (-1)
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, widget()
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, preprocessing_call()
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, changes (0)
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, text (0)
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, input_cursor_visible (false)
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, has_changes (false)
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, visible (false)
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{ }
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~term_area()
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{ }
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int offset_left; // Distance from left terminal side
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int offset_top; // Distance from top of the terminal
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int width; // Window width
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int height; // Window height
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int right_shadow; // Right window shadow
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int bottom_shadow; // Bottom window shadow
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int cursor_x; // X-position for the next write operation
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int cursor_y; // Y-position for the next write operation
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int input_cursor_x; // X-position input cursor
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int input_cursor_y; // Y-position input cursor
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FWidget* widget; // Widget that owns this term_area
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FPreprocessing preprocessing_call;
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line_changes* changes;
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char_data* text; // Text data for the output
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bool input_cursor_visible;
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bool has_changes;
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bool visible;
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private:
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// Disable copy constructor
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term_area (const term_area&);
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// Disable assignment operator (=)
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term_area& operator = (const term_area&);
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};
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enum covered_state
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{
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non_covered,
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half_covered,
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fully_covered
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};
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// Constructor
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explicit FVTerm (FVTerm* = 0, bool = false);
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// Destructor
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~FVTerm();
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// Overloaded operators
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template<class type> FVTerm& operator << (const type&);
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FVTerm& operator << (const std::vector<char_data>&);
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// Accessors
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virtual const char* getClassName() const;
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static short getTermForegroundColor();
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static short getTermBackgroundColor();
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term_area* getVWin() const;
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FPoint getPrintCursor();
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static char_data getAttribute();
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// Mutators
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static void setTermXY (register int, register int);
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static bool hideCursor (bool);
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static bool hideCursor();
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static bool showCursor();
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void setPrintCursor (const FPoint&);
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void setPrintCursor (register int, register int);
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void setColor (short, short);
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static void setNormal();
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static bool setBold (register bool);
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static bool setBold();
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static bool unsetBold();
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static bool setDim (register bool);
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static bool setDim();
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static bool unsetDim();
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static bool setItalic (register bool);
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static bool setItalic();
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static bool unsetItalic();
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static bool setUnderline (register bool);
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static bool setUnderline();
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static bool unsetUnderline();
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static bool setBlink (register bool);
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static bool setBlink();
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static bool unsetBlink();
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static bool setReverse (register bool);
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static bool setReverse();
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static bool unsetReverse();
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static bool setStandout (register bool);
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static bool setStandout();
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static bool unsetStandout();
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static bool setInvisible (register bool);
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static bool setInvisible();
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static bool unsetInvisible();
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static bool setProtected (register bool);
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static bool setProtected();
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static bool unsetProtected();
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static bool setCrossedOut (register bool);
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static bool setCrossedOut();
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static bool unsetCrossedOut();
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static bool setDoubleUnderline (register bool);
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static bool setDoubleUnderline();
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static bool unsetDoubleUnderline();
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static bool setAltCharset (register bool);
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static bool setAltCharset();
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static bool unsetAltCharset();
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static bool setPCcharset (register bool);
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static bool setPCcharset();
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static bool unsetPCcharset();
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static bool setTransparent (register bool);
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static bool setTransparent();
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static bool unsetTransparent();
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static bool setTransShadow (register bool);
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static bool setTransShadow();
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static bool unsetTransShadow();
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static bool setInheritBackground (register bool);
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static bool setInheritBackground();
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static bool unsetInheritBackground();
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// Inquiries
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static bool isCursorHidden();
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static bool isBold();
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static bool isDim();
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static bool isItalic();
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static bool isUnderline();
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static bool isBlink();
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static bool isReverse();
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static bool isStandout();
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static bool isInvisible();
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static bool isProtected();
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static bool isCrossedOut();
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static bool isDoubleUnderline();
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static bool isAltCharset();
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static bool isPCcharset();
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static bool isTransparent();
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static bool isTransShadow();
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static bool isInheritBackground();
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// Methods
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virtual void clearArea (int = ' ');
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void createVTerm (const FRect&);
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void createVTerm (int, int);
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static void resizeVTerm (const FRect&);
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static void resizeVTerm (int, int);
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static void putVTerm();
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static void updateTerminal (bool);
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static void updateTerminal();
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void addPreprocessingHandler ( FVTerm*
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, FPreprocessingHandler );
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void delPreprocessingHandler (FVTerm*);
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int printf (const wchar_t*, ...);
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int printf (const char*, ...)
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#if defined(__clang__)
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__attribute__((__format__ (__printf__, 2, 3)))
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#elif defined(__GNUC__)
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__attribute__ ((format (printf, 2, 3)))
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#endif
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;
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int print (const std::wstring&);
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int print (term_area*, const std::wstring&);
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int print (const wchar_t*);
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int print (term_area*, const wchar_t*);
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int print (const char*);
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int print (term_area*, const char*);
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int print (const std::string&);
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int print (term_area*, const std::string&);
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int print (const FString&);
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int print (term_area*, const FString&);
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int print (const std::vector<char_data>&);
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int print (term_area*, const std::vector<char_data>&);
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int print (int);
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int print (term_area*, int);
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FVTerm& print();
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protected:
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// Enumeration
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enum character_type
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{
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overlapped_character,
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covered_character
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};
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// Accessor
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virtual term_area* getPrintArea();
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// Inquiries
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bool hasPrintArea() const;
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bool hasChildPrintArea() const;
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bool isChildPrintArea() const;
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bool isVirtualWindow() const;
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// Mutator
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static void setInsertCursorStyle (bool on);
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static void setInsertCursorStyle();
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static void unsetInsertCursorStyle();
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// Methods
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void createArea ( const FRect&
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, const FPoint&
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, term_area*& );
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void createArea ( int, int, int, int
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, int, int
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, term_area*& );
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static void resizeArea ( const FRect&
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, const FPoint&
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, term_area* );
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static void resizeArea ( int, int, int, int
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, int, int
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, term_area* );
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static void removeArea (term_area*&);
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static void restoreVTerm (const FRect&);
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static void restoreVTerm (int, int, int, int);
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static covered_state isCovered ( const FPoint&
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, term_area* );
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static covered_state isCovered ( int, int
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, term_area* );
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static void updateVTerm();
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static void updateVTerm (term_area*);
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static bool updateVTermCursor (term_area*);
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static bool isInsideArea (int, int, term_area*);
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static void setAreaCursor ( const FPoint&
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, bool, term_area* );
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static void setAreaCursor ( int, int
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, bool, term_area*);
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static void getArea (const FPoint&, term_area*);
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static void getArea (int, int, term_area*);
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static void getArea (const FRect&, term_area*);
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static void getArea (int, int, int, int, term_area*);
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static void putArea (const FPoint&, term_area*);
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static void putArea (int, int, term_area*);
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static void scrollAreaForward (term_area*);
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static void scrollAreaReverse (term_area*);
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static void clearArea (term_area*, int = ' ');
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static char_data getCharacter ( character_type
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, const FPoint&
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, FVTerm* );
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static char_data getCharacter ( character_type
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, int
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, int, FVTerm* );
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static char_data getCoveredCharacter (const FPoint&, FVTerm*);
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static char_data getCoveredCharacter (int, int, FVTerm*);
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static char_data getOverlappedCharacter (const FPoint&, FVTerm*);
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static char_data getOverlappedCharacter (int, int, FVTerm*);
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static void processTerminalUpdate();
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static void startTerminalUpdate();
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static void finishTerminalUpdate();
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static void flush_out();
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// Data Members
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static term_area* vterm; // virtual terminal
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static term_area* vdesktop; // virtual desktop
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static term_area* active_area; // active area
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term_area* print_area; // print area for this object
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term_area* child_print_area; // print area for children
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term_area* vwin; // virtual window
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private:
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// Typedef
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typedef FTermcap::tcap_map termcap_map;
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// Constants
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static const uInt TERMINAL_OUTPUT_BUFFER_SIZE = 32768;
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// Buffer size for character output on the terminal
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// Disable copy constructor
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FVTerm (const FVTerm&);
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// Disable assignment operator (=)
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FVTerm& operator = (const FVTerm&);
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// Mutators
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void setPrintArea (term_area*);
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// Methods
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void init();
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void finish();
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static bool clearTerm (int = ' ');
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static void updateTerminalLine (uInt);
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static bool updateTerminalCursor();
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static bool isInsideTerminal (int, int);
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static void markAsPrinted (uInt, uInt);
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static void markAsPrinted (uInt, uInt, uInt);
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static void newFontChanges (char_data*&);
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static void charsetChanges (char_data*&);
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static void appendCharacter (char_data*&);
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static void appendChar (char_data*&);
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static void appendAttributes (char_data*&);
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static int appendLowerRight (char_data*&);
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static void appendOutputBuffer (const std::string&);
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static void appendOutputBuffer (const char*&);
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static int appendOutputBuffer (int);
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// Data Members
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static std::queue<int>* output_buffer;
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static char_data term_attribute;
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static char_data next_attribute;
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static FPoint* term_pos; // terminal cursor position
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static termcap_map* tcap;
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static bool hidden_cursor;
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static bool terminal_update_complete;
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static bool terminal_update_pending;
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static bool force_terminal_update;
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static bool stop_terminal_updates;
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static int skipped_terminal_update;
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};
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#pragma pack(pop)
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// FVTerm inline functions
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//----------------------------------------------------------------------
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template<class type>
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inline FVTerm& FVTerm::operator << (const type& s)
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{
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std::wostringstream outstream;
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outstream << s;
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print (outstream.str());
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return *this;
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}
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//----------------------------------------------------------------------
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inline FVTerm& FVTerm::operator << (const std::vector<FVTerm::char_data>& termString)
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{
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print (termString);
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return *this;
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}
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//----------------------------------------------------------------------
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inline const char* FVTerm::getClassName() const
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{ return "FVTerm"; }
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//----------------------------------------------------------------------
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inline short FVTerm::getTermForegroundColor()
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{ return next_attribute.fg_color; }
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//----------------------------------------------------------------------
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inline short FVTerm::getTermBackgroundColor()
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{ return next_attribute.bg_color; }
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//----------------------------------------------------------------------
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inline FVTerm::term_area* FVTerm::getVWin() const
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{ return vwin; }
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//----------------------------------------------------------------------
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inline FVTerm::char_data FVTerm::getAttribute()
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{ return next_attribute; }
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//----------------------------------------------------------------------
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inline bool FVTerm::hideCursor()
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{ return hideCursor(true); }
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//----------------------------------------------------------------------
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inline bool FVTerm::showCursor()
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{ return hideCursor(false); }
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//----------------------------------------------------------------------
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inline void FVTerm::setPrintCursor (const FPoint& pos)
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{ setPrintCursor (pos.getX(), pos.getY()); }
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//----------------------------------------------------------------------
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inline void FVTerm::setColor (register short fg, register short bg)
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{
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// Changes colors
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next_attribute.fg_color = fg;
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next_attribute.bg_color = bg;
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}
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//----------------------------------------------------------------------
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inline void FVTerm::setNormal()
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{
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// reset all character attributes
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next_attribute.attr.bit.bold = \
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next_attribute.attr.bit.dim = \
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next_attribute.attr.bit.italic = \
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next_attribute.attr.bit.underline = \
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next_attribute.attr.bit.blink = \
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next_attribute.attr.bit.reverse = \
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next_attribute.attr.bit.standout = \
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next_attribute.attr.bit.invisible = \
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next_attribute.attr.bit.protect = \
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next_attribute.attr.bit.crossed_out = \
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next_attribute.attr.bit.dbl_underline = \
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next_attribute.attr.bit.alt_charset = \
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next_attribute.attr.bit.pc_charset = \
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next_attribute.attr.bit.transparent = \
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next_attribute.attr.bit.trans_shadow = \
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next_attribute.attr.bit.inherit_bg = \
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next_attribute.attr.bit.no_changes = false;
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next_attribute.fg_color = fc::Default;
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next_attribute.bg_color = fc::Default;
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}
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//----------------------------------------------------------------------
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inline bool FVTerm::setBold (register bool on)
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{ return (next_attribute.attr.bit.bold = on); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setBold()
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{ return setBold(true); }
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//----------------------------------------------------------------------
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inline bool FVTerm::unsetBold()
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{ return setBold(false); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setDim (register bool on)
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{ return (next_attribute.attr.bit.dim = on); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setDim()
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{ return setDim(true); }
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//----------------------------------------------------------------------
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inline bool FVTerm::unsetDim()
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{ return setDim(false); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setItalic (register bool on)
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{ return (next_attribute.attr.bit.italic = on); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setItalic()
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{ return setItalic(true); }
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//----------------------------------------------------------------------
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inline bool FVTerm::unsetItalic()
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{ return setItalic(false); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setUnderline (register bool on)
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{ return (next_attribute.attr.bit.underline = on); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setUnderline()
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{ return setUnderline(true); }
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//----------------------------------------------------------------------
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inline bool FVTerm::unsetUnderline()
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{ return setUnderline(false); }
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//----------------------------------------------------------------------
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inline bool FVTerm::setBlink (register bool on)
|
|
{ return (next_attribute.attr.bit.blink = on); }
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|
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//----------------------------------------------------------------------
|
|
inline bool FVTerm::setBlink()
|
|
{ return setBlink(true); }
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|
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//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetBlink()
|
|
{ return setBlink(false); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setReverse (register bool on)
|
|
{ return (next_attribute.attr.bit.reverse = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setReverse()
|
|
{ return setReverse(true); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetReverse()
|
|
{ return setReverse(false); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setStandout (register bool on)
|
|
{ return (next_attribute.attr.bit.standout = on); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setStandout()
|
|
{ return setStandout(true); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetStandout()
|
|
{ return setStandout(false); }
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|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setInvisible (register bool on)
|
|
{ return (next_attribute.attr.bit.invisible = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setInvisible()
|
|
{ return setInvisible(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetInvisible()
|
|
{ return setInvisible(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setProtected (register bool on)
|
|
{ return (next_attribute.attr.bit.protect = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setProtected()
|
|
{ return setProtected(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetProtected()
|
|
{ return setProtected(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setCrossedOut (register bool on)
|
|
{ return (next_attribute.attr.bit.crossed_out = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setCrossedOut()
|
|
{ return setCrossedOut(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetCrossedOut()
|
|
{ return setCrossedOut(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setDoubleUnderline (register bool on)
|
|
{ return (next_attribute.attr.bit.dbl_underline = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setDoubleUnderline()
|
|
{ return setDoubleUnderline(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetDoubleUnderline()
|
|
{ return setDoubleUnderline(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setAltCharset (register bool on)
|
|
{ return (next_attribute.attr.bit.alt_charset = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setAltCharset()
|
|
{ return setAltCharset(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetAltCharset()
|
|
{ return setAltCharset(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setPCcharset (register bool on)
|
|
{ return (next_attribute.attr.bit.pc_charset = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setPCcharset()
|
|
{ return setPCcharset(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetPCcharset()
|
|
{ return setPCcharset(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setTransparent (register bool on)
|
|
{ return (next_attribute.attr.bit.transparent = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setTransparent()
|
|
{ return setTransparent(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetTransparent()
|
|
{ return setTransparent(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setTransShadow (register bool on)
|
|
{ return (next_attribute.attr.bit.trans_shadow = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setTransShadow()
|
|
{ return setTransShadow(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetTransShadow()
|
|
{ return setTransShadow(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setInheritBackground (register bool on)
|
|
{ return (next_attribute.attr.bit.inherit_bg = on); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::setInheritBackground()
|
|
{ return setInheritBackground(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::unsetInheritBackground()
|
|
{ return setInheritBackground(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isCursorHidden()
|
|
{ return hidden_cursor; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isBold()
|
|
{ return next_attribute.attr.bit.bold; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isDim()
|
|
{ return next_attribute.attr.bit.dim; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isItalic()
|
|
{ return next_attribute.attr.bit.italic; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isUnderline()
|
|
{ return next_attribute.attr.bit.underline; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isBlink()
|
|
{ return next_attribute.attr.bit.blink; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isReverse()
|
|
{ return next_attribute.attr.bit.reverse; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isStandout()
|
|
{ return next_attribute.attr.bit.standout; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isInvisible()
|
|
{ return next_attribute.attr.bit.invisible; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isProtected()
|
|
{ return next_attribute.attr.bit.protect; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isCrossedOut()
|
|
{ return next_attribute.attr.bit.crossed_out; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isDoubleUnderline()
|
|
{ return next_attribute.attr.bit.dbl_underline; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isAltCharset()
|
|
{ return next_attribute.attr.bit.alt_charset; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isPCcharset()
|
|
{ return next_attribute.attr.bit.pc_charset; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isTransparent()
|
|
{ return next_attribute.attr.bit.transparent; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isTransShadow()
|
|
{ return next_attribute.attr.bit.trans_shadow; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isInheritBackground()
|
|
{ return next_attribute.attr.bit.inherit_bg; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline FVTerm& FVTerm::print()
|
|
{ return *this; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::hasPrintArea() const
|
|
{ return print_area; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::hasChildPrintArea() const
|
|
{ return child_print_area; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline bool FVTerm::isVirtualWindow() const
|
|
{ return vwin; }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline void FVTerm::setInsertCursorStyle()
|
|
{ setInsertCursorStyle(true); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline void FVTerm::unsetInsertCursorStyle()
|
|
{ setInsertCursorStyle(false); }
|
|
|
|
//----------------------------------------------------------------------
|
|
inline void FVTerm::setPrintArea (term_area* area)
|
|
{ print_area = area; }
|
|
|
|
#endif // FVTERM_H
|