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Diffstat (limited to 'client/browser/qtermwidget/src/Character.h')
| -rw-r--r-- | client/browser/qtermwidget/src/Character.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/client/browser/qtermwidget/src/Character.h b/client/browser/qtermwidget/src/Character.h deleted file mode 100644 index 0978ce5d..00000000 --- a/client/browser/qtermwidget/src/Character.h +++ /dev/null @@ -1,210 +0,0 @@ -/* - This file is part of Konsole, KDE's terminal. - - Copyright (C) 2007 by Robert Knight <robertknight@gmail.com> - Copyright (C) 1997,1998 by Lars Doelle <lars.doelle@on-line.de> - - Rewritten for QT4 by e_k <e_k at users.sourceforge.net>, Copyright (C)2008 - - 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 - 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, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301 USA. -*/ - -#ifndef CHARACTER_H -#define CHARACTER_H - -// Qt -#include <QtCore/QHash> - -// Local -#include "CharacterColor.h" - -namespace Konsole -{ - -typedef unsigned char LineProperty; - -static const int LINE_DEFAULT = 0; -static const int LINE_WRAPPED = (1 << 0); -static const int LINE_DOUBLEWIDTH = (1 << 1); -static const int LINE_DOUBLEHEIGHT = (1 << 2); - -#define DEFAULT_RENDITION 0 -#define RE_BOLD (1 << 0) -#define RE_BLINK (1 << 1) -#define RE_UNDERLINE (1 << 2) -#define RE_REVERSE (1 << 3) // Screen only -#define RE_INTENSIVE (1 << 3) // Widget only -#define RE_CURSOR (1 << 4) -#define RE_EXTENDED_CHAR (1 << 5) - -/** - * A single character in the terminal which consists of a unicode character - * value, foreground and background colors and a set of rendition attributes - * which specify how it should be drawn. - */ -class Character -{ -public: - /** - * Constructs a new character. - * - * @param _c The unicode character value of this character. - * @param _f The foreground color used to draw the character. - * @param _b The color used to draw the character's background. - * @param _r A set of rendition flags which specify how this character is to be drawn. - */ - inline Character(quint16 _c = ' ', - CharacterColor _f = CharacterColor(COLOR_SPACE_DEFAULT,DEFAULT_FORE_COLOR), - CharacterColor _b = CharacterColor(COLOR_SPACE_DEFAULT,DEFAULT_BACK_COLOR), - quint8 _r = DEFAULT_RENDITION) - : character(_c), rendition(_r), foregroundColor(_f), backgroundColor(_b) {} - - union - { - /** The unicode character value for this character. */ - quint16 character; - /** - * Experimental addition which allows a single Character instance to contain more than - * one unicode character. - * - * charSequence is a hash code which can be used to look up the unicode - * character sequence in the ExtendedCharTable used to create the sequence. - */ - quint16 charSequence; - }; - - /** A combination of RENDITION flags which specify options for drawing the character. */ - quint8 rendition; - - /** The foreground color used to draw this character. */ - CharacterColor foregroundColor; - /** The color used to draw this character's background. */ - CharacterColor backgroundColor; - - /** - * Returns true if this character has a transparent background when - * it is drawn with the specified @p palette. - */ - bool isTransparent(const ColorEntry* palette) const; - /** - * Returns true if this character should always be drawn in bold when - * it is drawn with the specified @p palette, independent of whether - * or not the character has the RE_BOLD rendition flag. - */ - bool isBold(const ColorEntry* base) const; - - /** - * Compares two characters and returns true if they have the same unicode character value, - * rendition and colors. - */ - friend bool operator == (const Character& a, const Character& b); - /** - * Compares two characters and returns true if they have different unicode character values, - * renditions or colors. - */ - friend bool operator != (const Character& a, const Character& b); -}; - -inline bool operator == (const Character& a, const Character& b) -{ - return a.character == b.character && - a.rendition == b.rendition && - a.foregroundColor == b.foregroundColor && - a.backgroundColor == b.backgroundColor; -} - -inline bool operator != (const Character& a, const Character& b) -{ - return a.character != b.character || - a.rendition != b.rendition || - a.foregroundColor != b.foregroundColor || - a.backgroundColor != b.backgroundColor; -} - -inline bool Character::isTransparent(const ColorEntry* base) const -{ - return ((backgroundColor._colorSpace == COLOR_SPACE_DEFAULT) && - base[backgroundColor._u+0+(backgroundColor._v?BASE_COLORS:0)].transparent) - || ((backgroundColor._colorSpace == COLOR_SPACE_SYSTEM) && - base[backgroundColor._u+2+(backgroundColor._v?BASE_COLORS:0)].transparent); -} - -inline bool Character::isBold(const ColorEntry* base) const -{ - return ((backgroundColor._colorSpace == COLOR_SPACE_DEFAULT) && - base[backgroundColor._u+0+(backgroundColor._v?BASE_COLORS:0)].bold) - || ((backgroundColor._colorSpace == COLOR_SPACE_SYSTEM) && - base[backgroundColor._u+2+(backgroundColor._v?BASE_COLORS:0)].bold); -} - -extern unsigned short vt100_graphics[32]; - - -/** - * A table which stores sequences of unicode characters, referenced - * by hash keys. The hash key itself is the same size as a unicode - * character ( ushort ) so that it can occupy the same space in - * a structure. - */ -class ExtendedCharTable -{ -public: - /** Constructs a new character table. */ - ExtendedCharTable(); - ~ExtendedCharTable(); - - /** - * Adds a sequences of unicode characters to the table and returns - * a hash code which can be used later to look up the sequence - * using lookupExtendedChar() - * - * If the same sequence already exists in the table, the hash - * of the existing sequence will be returned. - * - * @param unicodePoints An array of unicode character points - * @param length Length of @p unicodePoints - */ - ushort createExtendedChar(ushort* unicodePoints , ushort length); - /** - * Looks up and returns a pointer to a sequence of unicode characters - * which was added to the table using createExtendedChar(). - * - * @param hash The hash key returned by createExtendedChar() - * @param length This variable is set to the length of the - * character sequence. - * - * @return A unicode character sequence of size @p length. - */ - ushort* lookupExtendedChar(ushort hash , ushort& length) const; - - /** The global ExtendedCharTable instance. */ - static ExtendedCharTable instance; -private: - // calculates the hash key of a sequence of unicode points of size 'length' - ushort extendedCharHash(ushort* unicodePoints , ushort length) const; - // tests whether the entry in the table specified by 'hash' matches the - // character sequence 'unicodePoints' of size 'length' - bool extendedCharMatch(ushort hash , ushort* unicodePoints , ushort length) const; - // internal, maps hash keys to character sequence buffers. The first ushort - // in each value is the length of the buffer, followed by the ushorts in the buffer - // themselves. - QHash<ushort,ushort*> extendedCharTable; -}; - -} - -#endif // CHARACTER_H - |