253 lines
8.5 KiB
C
253 lines
8.5 KiB
C
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// 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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// ▕▔▔▔▔▔▔▔▔▏
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// ▕ FVTerm ▏
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// ▕▁▁▁▁▁▁▁▁▏
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#ifndef _FVTERM_H
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#define _FVTERM_H
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#include "fterm.h"
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// Buffer size for character output on the terminal
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#define TERMINAL_OUTPUT_BUFFER_SIZE 32768
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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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private:
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static std::queue<int>* output_buffer;
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static FOptiAttr::char_data term_attribute;
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static FOptiAttr::char_data next_attribute;
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static FPoint* term_pos; // terminal cursor position
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static FPoint* cursor; // virtual print cursor
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static FTermcap::tcap_map* tcap;
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static bool hidden_cursor;
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static bool terminal_update_pending;
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static bool force_terminal_update;
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static bool terminal_updates;
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static bool stop_terminal_updates;
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static bool vterm_updates;
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static int skipped_terminal_update;
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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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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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protected:
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typedef struct
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{
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uInt xmin;
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uInt xmax;
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uInt trans_count;
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} line_changes;
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typedef struct
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{
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int width;
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int height;
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int right_shadow;
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int bottom_shadow;
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int input_cursor_x;
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int input_cursor_y;
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int input_cursor_visible;
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FWidget* widget;
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line_changes* changes;
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FOptiAttr::char_data* text;
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bool visible;
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} term_area;
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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* last_area; // last used area
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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* vwin; // virtual window
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protected:
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void createArea (const FRect&, const FPoint&, FVTerm::term_area*&);
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void createArea (int, int, int, int, FVTerm::term_area*&);
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static void resizeArea (const FRect&, const FPoint&, FVTerm::term_area*);
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static void resizeArea (int, int, int, int, FVTerm::term_area*);
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static void removeArea (FVTerm::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 FVTerm::covered_state isCovered (const FPoint&, FVTerm::term_area*);
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static FVTerm::covered_state isCovered (int, int, FVTerm::term_area*);
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static void updateVTerm (bool);
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static void updateVTerm (FVTerm::term_area*);
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static bool updateVTermCursor (FVTerm::term_area*);
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static bool isInsideArea (int, int, FVTerm::term_area*);
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static void setAreaCursor (const FPoint&, bool, FVTerm::term_area*);
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static void setAreaCursor (int, int, bool, FVTerm::term_area*);
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static void getArea (const FPoint&, FVTerm::term_area*);
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static void getArea (int, int, FVTerm::term_area*);
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static void getArea (const FRect&, FVTerm::term_area*);
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static void getArea (int, int, int, int, FVTerm::term_area*);
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static void putArea (const FPoint&, FVTerm::term_area*);
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static void putArea (int, int, FVTerm::term_area*);
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static void scrollAreaForward (FVTerm::term_area*);
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static void scrollAreaReverse (FVTerm::term_area*);
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static void clearArea (FVTerm::term_area*);
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static FOptiAttr::char_data getCharacter (int, const FPoint&, FVTerm*);
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static FOptiAttr::char_data getCharacter (int, int, int, FVTerm*);
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static FOptiAttr::char_data getCoveredCharacter (const FPoint&, FVTerm*);
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static FOptiAttr::char_data getCoveredCharacter (int, int, FVTerm*);
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static FOptiAttr::char_data getOverlappedCharacter (const FPoint&, FVTerm*);
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static FOptiAttr::char_data getOverlappedCharacter (int, int, FVTerm*);
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private:
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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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void init();
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void finish();
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term_area* getPrintArea();
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void setPrintArea (term_area*);
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// Friend class
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friend class FWidget;
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public:
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// Constructor
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explicit FVTerm (FVTerm* = 0);
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// Destructor
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~FVTerm();
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virtual const char* getClassName() const;
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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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static bool isCursorHidden();
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static short getTermForegroundColor();
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static short getTermBackgroundColor();
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FVTerm::term_area* getVWin() const;
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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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static bool updateTerminalCursor();
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static void processTerminalUpdate();
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static bool isInsideTerminal (int, int);
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void setPrintCursor (const FPoint&);
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void setPrintCursor (register int, register int);
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FPoint* getPrintPos() const;
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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 (FVTerm::term_area*, const std::wstring&);
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int print (const wchar_t*);
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int print (FVTerm::term_area*, const wchar_t*);
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int print (const char*);
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int print (FVTerm::term_area*, const char*);
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int print (const std::string&);
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int print (FVTerm::term_area*, const std::string&);
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int print (FString&);
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int print (FVTerm::term_area*, FString&);
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int print (int);
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int print (FVTerm::term_area*, int);
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static void newFontChanges (FOptiAttr::char_data*&);
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static void charsetChanges (FOptiAttr::char_data*&);
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static void appendCharacter (FOptiAttr::char_data*&);
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static void appendAttributes (FOptiAttr::char_data*&);
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static int appendLowerRight (FOptiAttr::char_data*&);
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static void appendOutputBuffer (std::string&);
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static void appendOutputBuffer (const char*);
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static int appendOutputBuffer (int);
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static void flush_out();
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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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inline void FVTerm::setPrintArea (term_area* area)
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{ print_area = area; }
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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 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 bool FVTerm::isCursorHidden()
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{ return hidden_cursor; }
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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 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::setPrintCursor (register int x, register int y)
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{ cursor->setPoint(x,y); }
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#endif // _FVTERM_H
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