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73 lines
2.6 KiB
73 lines
2.6 KiB
/***************************************************************************
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* Copyright (C) 2006 Nicolas Hadacek <hadacek@kde.org> *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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***************************************************************************/
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#include "number_gui.h"
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#include <tqfontmetrics.h>
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//-----------------------------------------------------------------------------
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uint maxCharWidth(const TQString &s, const TQFont &font)
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{
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TQFontMetrics fm(font);
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uint w = 0;
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for (uint i=0; i<uint(s.length()); i++)
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w = TQMAX(w, uint(fm.width(s[i])));
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return w;
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}
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uint maxCharWidth(NumberBase base, const TQFont &font)
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{
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TQString s;
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for (uint i=0; i<base.data().base; i++) s += toChar(base, i);
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return maxCharWidth(s, font);
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}
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uint maxLabelWidth(NumberBase base, uint nbChars, const TQFont &font)
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{
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uint w = maxStringWidth(base, nbChars, font);
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TQFontMetrics fm(font);
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if ( base==NumberBase::String ) return w + 2 * fm.width("\"");
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return w + fm.width(base.data().prefix);
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}
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//-----------------------------------------------------------------------------
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NumberLineEdit::NumberLineEdit(TQWidget *parent, const char *name)
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: KLineEdit(parent, name)
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{
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connect(this, TQT_SIGNAL(textChanged(const TQString &)), TQT_SLOT(textChangedSlot()));
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}
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NumberLineEdit::NumberLineEdit(const TQString &text, TQWidget *parent, const char *name)
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: KLineEdit(text, parent, name)
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{
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connect(this, TQT_SIGNAL(textChanged(const TQString &)), TQT_SLOT(textChangedSlot()));
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}
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TQValidator::State validateNumber(const TQString &input)
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{
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if ( input.isEmpty() ) return TQValidator::Intermediate;
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bool ok;
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(void)fromAnyLabel(input, &ok);
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if (ok) return TQValidator::Acceptable;
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FOR_EACH(NumberBase, base)
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if ( input==base.data().prefix ) return TQValidator::Intermediate;
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if ( input[0]=='\"' ) return TQValidator::Intermediate;
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if ( input[0]=='\'' ) return TQValidator::Intermediate;
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return TQValidator::Invalid;
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}
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void NumberLineEdit::textChangedSlot()
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{
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TQValidator::State state = validateNumber(text());
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switch (state) {
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case TQValidator::Acceptable: unsetColor(); break;
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case TQValidator::Intermediate: setColor(TQColor("#FF9900")); break;
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case TQValidator::Invalid: setColor(red); break;
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}
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}
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