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376 lines
9.8 KiB
C++
376 lines
9.8 KiB
C++
/**
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* \file Bullet.cpp
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Allan Rae
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*
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* Full author contact details are available in file CREDITS.
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*/
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/* Completes the implementation of the Bullet class
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* It defines the various LaTeX commands etc. required to
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* generate the bullets in the bullet-panel's.
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*/
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#include <config.h>
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#include "Bullet.h"
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#include "support/lassert.h"
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using namespace std;
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namespace lyx {
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/** The four LaTeX itemize environment default bullets
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*/
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extern
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Bullet const ITEMIZE_DEFAULTS[4] = { Bullet(0, 8),//"\\(\\bullet\\)"
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Bullet(0, 0),//"\\normalfont\\bfseries{--}"
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Bullet(0, 6),//"\\(\\ast\\)"
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Bullet(0, 10) };//"\\(\\cdot\\)"
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// will need these later if still using full text as below
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// \usepackage{latexsym,pifont,amssymb}
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// and wasysym when that panel is created
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Bullet::Bullet(int f, int c, int s)
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: font(f), character(c), size(s), user_text(0)
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{
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if (f < MIN || f >= FONTMAX)
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font = MIN;
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if (c < MIN || c >= CHARMAX)
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character = MIN;
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if (s < MIN || s >= SIZEMAX)
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size = MIN;
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generateText();
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testInvariant();
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}
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Bullet::Bullet(docstring const & t)
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: font(MIN), character(MIN), size(MIN), user_text(1), text(t)
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{
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testInvariant();
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}
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void Bullet::setCharacter(int c)
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{
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if (c < MIN || c >= CHARMAX)
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character = MIN;
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else
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character = c;
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user_text = 0;
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testInvariant();
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}
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void Bullet::setFont(int f)
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{
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if (f < MIN || f >= FONTMAX)
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font = MIN;
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else
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font = f;
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user_text = 0;
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testInvariant();
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}
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void Bullet::setSize(int s)
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{
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if (s < MIN || s >= SIZEMAX)
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size = MIN;
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else
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size = s;
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user_text = 0;
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testInvariant();
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}
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void Bullet::setText(docstring const & t)
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{
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font = character = size = MIN;
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user_text = 1;
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text = t;
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testInvariant();
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}
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int Bullet::getCharacter() const
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{
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return character;
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}
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int Bullet::getFont() const
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{
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return font;
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}
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int Bullet::getSize() const
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{
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return size;
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}
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Bullet & Bullet::operator=(Bullet const & b)
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{
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b.testInvariant();
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font = b.font;
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character = b.character;
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size = b.size;
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user_text = b.user_text;
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text = b.text;
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this->testInvariant();
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return *this;
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}
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docstring const & Bullet::getText() const
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{
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if (user_text == 0)
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generateText();
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return text;
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}
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bool operator==(const Bullet & b1, const Bullet & b2)
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{
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bool result = false;
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if (b1.user_text && b2.user_text) {
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/* both have valid text */
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if (b1.text == b2.text)
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result = true;
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} else if (b1.character == b2.character && b1.font == b2.font &&
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b1.size == b2.size) {
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result = true;
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}
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return result;
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}
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/*--------------------Private Member Functions-------------------*/
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void Bullet::generateText() const
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{
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// Assumption:
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// user hasn't defined their own text and/or I haven't generated
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// the text for the current font/character settings yet
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// thus the calling member function should say:
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// if (user_text == 0) {
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// generateText();
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// }
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// Since a function call is more expensive than a conditional
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// this is more efficient. Besides this function is internal to
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// the class so it's only the class author that has access --
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// external users thus can't make mistakes.
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if ((font >= 0) && (character >= 0)) {
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text = bulletEntry(font, character);
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if (size >= 0)
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text = bulletSize(size) + text;
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user_text = -1;
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// text is now defined and doesn't need to be recalculated
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// unless font/character or text is modified
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}
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}
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docstring const Bullet::bulletSize(int s)
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{
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// use a parameter rather than hard code `size' in here
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// in case some future function may want to retrieve
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// an arbitrary entry.
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// See additional comments in bulletEntry() below.
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static char const * BulletSize[SIZEMAX] = {
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"\\tiny", "\\scriptsize", "\\footnotesize", "\\small", "\\normalsize",
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"\\large", "\\Large", "\\LARGE", "\\huge", "\\Huge"
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};
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return from_ascii(BulletSize[s]);
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}
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docstring const Bullet::bulletEntry(int f, int c)
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{
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// Despite how this may at first appear the static local variables
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// are only initialized once..
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// This is a work-around to avoid the "Static Initialization Problem"
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// and should work for all compilers. See "C++ FAQs" by Cline and Lomow,
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// Addison-Wesley, 1994, FAQ-180 pp169-171 for an explanation.
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// Doing things this way also makes it possible to generate `text' at
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// the time of construction. It also encapsulates the conversion
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// of font, character and size entries to text.
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// The single 2-dim array had to be changed to multiple 1-dim arrays
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// to get around a compiler bug in an earler version of gcc (< 2.7.2.1)
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// static string const BulletPanels[FONTMAX][CHARMAX] = {
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static char const * BulletPanel0[CHARMAX] = {
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/* standard */
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"\\normalfont\\bfseries{--}", "\\(\\vdash\\)",
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"\\(\\dashv\\)", "\\(\\flat\\)", "\\(\\natural\\)",
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"\\(\\sharp\\)", "\\(\\ast\\)", "\\(\\star\\)",
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"\\(\\bullet\\)", "\\(\\circ\\)", "\\(\\cdot\\)",
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"\\(\\dagger\\)", "\\(\\bigtriangleup\\)",
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"\\(\\bigtriangledown\\)", "\\(\\triangleleft\\)",
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"\\(\\triangleright\\)", "\\(\\lhd\\)", "\\(\\rhd\\)",
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"\\(\\oplus\\)", "\\(\\ominus\\)", "\\(\\otimes\\)",
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"\\(\\oslash\\)", "\\(\\odot\\)", "\\(\\spadesuit\\)",
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"\\(\\diamond\\)", "\\(\\Diamond\\)", "\\(\\Box\\)",
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"\\(\\diamondsuit\\)", "\\(\\heartsuit\\)",
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"\\(\\clubsuit\\)", "\\(\\rightarrow\\)", "\\(\\leadsto\\)",
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"\\(\\rightharpoonup\\)", "\\(\\rightharpoondown\\)",
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"\\(\\Rightarrow\\)", "\\(\\succ\\)"
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};
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static char const * BulletPanel1[CHARMAX] = {
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/* amssymb */
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"\\(\\Rrightarrow\\)", "\\(\\rightarrowtail\\)",
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"\\(\\twoheadrightarrow\\)", "\\(\\rightsquigarrow\\)",
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"\\(\\looparrowright\\)", "\\(\\multimap\\)",
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"\\(\\boxtimes\\)", "\\(\\boxplus\\)", "\\(\\boxminus\\)",
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"\\(\\boxdot\\)", "\\(\\divideontimes\\)", "\\(\\Vvdash\\)",
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"\\(\\lessdot\\)", "\\(\\gtrdot\\)", "\\(\\maltese\\)",
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"\\(\\bigstar\\)", "\\(\\checkmark\\)", "\\(\\Vdash\\)",
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"\\(\\backsim\\)", "\\(\\thicksim\\)",
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"\\(\\centerdot\\)", "\\(\\circleddash\\)",
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"\\(\\circledast\\)", "\\(\\circledcirc\\)",
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"\\(\\vartriangleleft\\)", "\\(\\vartriangleright\\)",
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"\\(\\vartriangle\\)", "\\(\\triangledown\\)",
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"\\(\\lozenge\\)", "\\(\\square\\)", "\\(\\blacktriangleleft\\)",
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"\\(\\blacktriangleright\\)", "\\(\\blacktriangle\\)",
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"\\(\\blacktriangledown\\)", "\\(\\blacklozenge\\)",
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"\\(\\blacksquare\\)"
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};
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static char const * BulletPanel2[CHARMAX] = {
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/* psnfss1 */
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"\\ding{108}", "\\ding{109}",
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"\\ding{119}", "\\Pisymbol{psy}{197}",
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"\\Pisymbol{psy}{196}", "\\Pisymbol{psy}{183}",
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"\\ding{71}", "\\ding{70}",
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"\\ding{118}", "\\ding{117}",
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"\\Pisymbol{psy}{224}", "\\Pisymbol{psy}{215}",
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"\\ding{111}", "\\ding{112}",
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"\\ding{113}", "\\ding{114}",
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"\\Pisymbol{psy}{68}", "\\Pisymbol{psy}{209}",
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"\\ding{120}", "\\ding{121}",
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"\\ding{122}", "\\ding{110}",
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"\\ding{115}", "\\ding{116}",
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"\\Pisymbol{psy}{42}", "\\ding{67}",
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"\\ding{66}", "\\ding{82}",
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"\\ding{81}", "\\ding{228}",
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"\\ding{162}", "\\ding{163}",
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"\\ding{166}", "\\ding{167}",
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"\\ding{226}", "\\ding{227}"
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};
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static char const * BulletPanel3[CHARMAX] = {
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/* psnfss2 */
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"\\ding{37}", "\\ding{38}",
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"\\ding{34}", "\\ding{36}",
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"\\ding{39}", "\\ding{40}",
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"\\ding{41}", "\\ding{42}",
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"\\ding{43}", "\\ding{44}",
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"\\ding{45}", "\\ding{47}",
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"\\ding{53}", "\\ding{54}",
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"\\ding{59}", "\\ding{57}",
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"\\ding{62}", "\\ding{61}",
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"\\ding{55}", "\\ding{56}",
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"\\ding{58}", "\\ding{60}",
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"\\ding{63}", "\\ding{64}",
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"\\ding{51}", "\\ding{52}",
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"\\Pisymbol{psy}{170}", "\\Pisymbol{psy}{167}",
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"\\Pisymbol{psy}{168}", "\\Pisymbol{psy}{169}",
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"\\ding{164}", "\\ding{165}",
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"\\ding{171}", "\\ding{168}",
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"\\ding{169}", "\\ding{170}"
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};
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static char const * BulletPanel4[CHARMAX] = {
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/* psnfss3 */
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"\\ding{65}", "\\ding{76}",
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"\\ding{75}", "\\ding{72}",
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"\\ding{80}", "\\ding{74}",
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"\\ding{78}", "\\ding{77}",
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"\\ding{79}", "\\ding{85}",
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"\\ding{90}", "\\ding{98}",
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"\\ding{83}", "\\ding{84}",
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"\\ding{86}", "\\ding{87}",
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"\\ding{88}", "\\ding{89}",
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"\\ding{92}", "\\ding{91}",
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"\\ding{93}", "\\ding{105}",
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"\\ding{94}", "\\ding{99}",
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"\\ding{103}", "\\ding{104}",
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"\\ding{106}", "\\ding{107}",
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"\\ding{68}", "\\ding{69}",
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"\\ding{100}", "\\ding{101}",
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"\\ding{102}", "\\ding{96}",
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"\\ding{95}", "\\ding{97}"
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};
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static char const * BulletPanel5[CHARMAX] = {
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/* psnfss4 */
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"\\ding{223}", "\\ding{224}",
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"\\ding{225}", "\\ding{232}",
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"\\ding{229}", "\\ding{230}",
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"\\ding{238}", "\\ding{237}",
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"\\ding{236}", "\\ding{235}",
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"\\ding{234}", "\\ding{233}",
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"\\ding{239}", "\\ding{241}",
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"\\ding{250}", "\\ding{251}",
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"\\ding{49}", "\\ding{50}",
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"\\ding{217}", "\\ding{245}",
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"\\ding{243}", "\\ding{248}",
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"\\ding{252}", "\\ding{253}",
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"\\ding{219}", "\\ding{213}",
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"\\ding{221}", "\\ding{222}",
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"\\ding{220}", "\\ding{212}",
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"\\Pisymbol{psy}{174}", "\\Pisymbol{psy}{222}",
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"\\ding{254}", "\\ding{242}",
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"\\ding{231}", "\\Pisymbol{psy}{45}"
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}; /* string const BulletPanels[][] */
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static char const ** BulletPanels[FONTMAX] = {
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BulletPanel0, BulletPanel1,
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BulletPanel2, BulletPanel3,
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BulletPanel4, BulletPanel5
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};
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return from_ascii(BulletPanels[f][c]);
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}
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void Bullet::testInvariant() const
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{
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#ifdef ENABLE_ASSERTIONS
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LATTEST(font >= MIN);
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LATTEST(font < FONTMAX);
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LATTEST(character >= MIN);
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LATTEST(character < CHARMAX);
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LATTEST(size >= MIN);
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LATTEST(size < SIZEMAX);
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LATTEST(user_text >= -1);
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LATTEST(user_text <= 1);
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// now some relational/operational tests
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if (user_text == 1) {
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LATTEST(font == -1 && (character == -1 && size == -1));
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// LATTEST(!text.empty()); // this isn't necessarily an error
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}
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// else if (user_text == -1) {
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// LATTEST(!text.empty()); // this also isn't necessarily an error
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// }
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// else {
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// // user_text == 0
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// LATTEST(text.empty()); // not usually true
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// }
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#endif
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}
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} // namespace lyx
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