107 lines
3.7 KiB
C++
107 lines
3.7 KiB
C++
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#include <QRegularExpression>
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#include <QFontMetrics>
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#include "vtextmanager.h"
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//---------------------------------------------------------------------------------------------------------------------
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TextLine::TextLine()
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:m_qsText(), m_iFontSize(MIN_FONT_SIZE), m_eFontWeight(QFont::Normal), m_eStyle(QFont::StyleNormal),
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m_eAlign(Qt::AlignCenter), m_iHeight(0)
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{}
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//---------------------------------------------------------------------------------------------------------------------
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VTextManager::VTextManager()
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:m_liLines(), m_liOutput()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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VTextManager::~VTextManager()
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{}
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//---------------------------------------------------------------------------------------------------------------------
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int VTextManager::GetSpacing() const
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{ return 2; }
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//---------------------------------------------------------------------------------------------------------------------
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void VTextManager::SetFont(const QFont& font)
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{ m_font = font; }
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//---------------------------------------------------------------------------------------------------------------------
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const QFont& VTextManager::GetFont() const
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{ return m_font; }
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//---------------------------------------------------------------------------------------------------------------------
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void VTextManager::SetFontSize(int iFS)
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{ m_font.setPixelSize(iFS); }
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//---------------------------------------------------------------------------------------------------------------------
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void VTextManager::AddLine(const TextLine& tl)
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{ m_liLines << tl; }
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//---------------------------------------------------------------------------------------------------------------------
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void VTextManager::Clear()
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{ m_liLines.clear(); }
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//---------------------------------------------------------------------------------------------------------------------
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int VTextManager::GetCount() const
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{ return m_liOutput.count(); }
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//---------------------------------------------------------------------------------------------------------------------
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const TextLine& VTextManager::GetLine(int i) const
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{ return m_liOutput[i]; }
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//---------------------------------------------------------------------------------------------------------------------
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bool VTextManager::IsBigEnough(qreal fW, qreal fH, int iFontSize)
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{
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m_liOutput.clear();
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QFont fnt = m_font;
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int iY = 0;
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for (int i = 0; i < m_liLines.count(); ++i)
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{
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const TextLine& tl = m_liLines.at(i);
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TextLine tlOut = tl;
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fnt.setPixelSize(iFontSize + tl.m_iFontSize);
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QFontMetrics fm(fnt);
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tlOut.m_iHeight = fm.height();
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QStringList qslLines = SplitString(tlOut.m_qsText, fW, fm);
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for (int iL = 0; iL < qslLines.count(); ++iL)
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{
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tlOut.m_qsText = qslLines[iL];
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m_liOutput << tlOut;
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iY += tlOut.m_iHeight + GetSpacing();
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}
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}
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return iY < fH;
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}
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//---------------------------------------------------------------------------------------------------------------------
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QStringList VTextManager::SplitString(const QString &qs, qreal fW, const QFontMetrics &fm)
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{
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QRegularExpression reg("\\s+");
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QStringList qslWords = qs.split(reg);
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QStringList qslLines;
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QString qsCurrent;
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for (int i = 0; i < qslWords.count(); ++i)
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{
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if (qsCurrent.length() > 0)
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{
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qsCurrent += QLatin1Literal(" ");
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}
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if (fm.width(qsCurrent + qslWords[i]) > fW)
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{
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qslLines << qsCurrent;
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qsCurrent = qslWords[i];
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}
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else
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{
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qsCurrent += qslWords[i];
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}
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}
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qslLines << qsCurrent;
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return qslLines;
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}
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