// -*- C++ -*- /* Completes the implementation of the Bullet class * It defines the various LaTeX commands etc. required to * generate the bullets in the bullet-panel's. * * This file is part of *====================================================== * * LyX, The Document Processor * * Copyright (C) 1997-1998 Allan Rae * and the LyX Team *
*======================================================*/
#include <config.h>
#ifdef __GNUG__ #pragma implementation #endif
#include"Bullet.h"
// will need these later if still using full text as below // \usepackage{latexsym,pifont,amssymb} // and wasysym when that panel is created
Bullet::Bullet(constint f, constint c, constint s)
: font(f), character(c), size(s), user_text(0)
{ if (f < MIN || f >= FONTMAX) {
font = MIN;
} if (c < MIN || c >= CHARMAX) {
character = MIN;
} if (s < MIN || s >= SIZEMAX) {
size = MIN;
}
generateText(); #ifdef DEBUG_AS_DEFAULT
testInvariant(); #endif
}
if (b1.user_text && b2.user_text) { /* both have valid text */ if (b1.text == b2.text) {
result = true;
}
} elseif (((b1.character == b2.character) &&
(b1.font == b2.font)) &&
(b1.size == b2.size)) {
result = true;
} return result;
}
/*--------------------Private Member Functions-------------------*/
void Bullet::generateText()
{ // Assumption: // user hasn't defined their own text and/or I haven't generated // the text for the current font/character settings yet // thus the calling member function should say: // if (user_text == 0) { // generateText(); // } // Since a function call is more expensive than a conditional // this is more efficient. Besides this function is internal to // the class so it's only the class author that has access -- // external users thus can't make mistakes.
if ((font >= 0) && (character >= 0)) {
text = bulletEntry(font, character); if (size >= 0) {
text = bulletSize(size) + text;
}
user_text = -1; // text is now defined and doesn't need to be recalculated // unless font/character or text is modified
}
}
const LString & Bullet::bulletSize(constshort & s)
{ // use a parameter rather than hard code `size' in here
// in case some future function may want to retrieve
// an arbitrary entry.
// See additional comments in bulletEntry() below.
const LString & Bullet::bulletEntry(const short & f, const short & c)
{
// Despite how this may at first appear the static local variables
// are only initialized once..
// This is a work-around to avoid the "Static Initialization Problem"
// and should work forall compilers. See "C++ FAQs"by Cline and Lomow,
// Addison-Wesley, 1994, FAQ-180 pp169-171 for an explanation.
// Doing things this way also makes it possible to generate `text' at
// the timeof construction. It also encapsulates the conversion
// of font, character and size entries to text.
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