198 lines
4.5 KiB
C++
198 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2006-2009 fullmetalcoder <fullmetalcoder@hotmail.fr>
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**
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** This file is part of the Edyuk project <http://edyuk.org>
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**
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** This file may be used under the terms of the GNU General Public License
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** version 3 as published by the Free Software Foundation and appearing in the
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** file GPL.txt included in the packaging of this file.
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**
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**
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****************************************************************************/
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#include "qlinemarkpanel.h"
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/*!
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\file qlinemarkpanel.cpp
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\brief Implementation of the QLineMarkPanel class.
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*/
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#include "qeditor.h"
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#include "qdocument.h"
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#include "qdocumentline.h"
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#include "qlanguagedefinition.h"
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#include "qlinemarksinfocenter.h"
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#include <QContextMenuEvent>
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#include <QIcon>
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#include <QMenu>
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#include <QMessageBox>
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#include <QPainter>
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#include <QScrollBar>
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/*!
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\ingroup widgets
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@{
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*/
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/*!
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\class QLineMarkPanel
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\brief A specific panel in charge of drawing line marks of an editor
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*/
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/*!
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\brief Constructor
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*/
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QLineMarkPanel::QLineMarkPanel(QWidget *p) : QPanel(p) { setFixedWidth(18); }
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/*!
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\brief Empty destructor
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*/
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QLineMarkPanel::~QLineMarkPanel() {}
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/*!
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*/
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QString QLineMarkPanel::type() const { return "Line marks"; }
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/*!
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\internal
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*/
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void QLineMarkPanel::paint(QPainter *p, QEditor *e) {
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if (!e || !e->document())
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return;
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m_rects.clear();
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m_lines.clear();
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QDocument *d = e->document();
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int maxMarksPerLine = d->maxMarksPerLine();
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setFixedWidth(maxMarksPerLine ? maxMarksPerLine * 16 + 2 : 18);
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const QFontMetrics fm(d->font());
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int n, posY, as = fm.ascent(), ls = fm.lineSpacing(),
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pageBottom = e->viewport()->height(),
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contentsY = e->verticalOffset();
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// QString txt;
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// const QFontMetrics sfm(fontMetrics());
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QLineMarksInfoCenter *mic = QLineMarksInfoCenter::instance();
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n = d->lineNumber(contentsY);
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posY = 2 + d->y(n) - contentsY;
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// qDebug("first = %i; last = %i", first, last);
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// qDebug("beg pos : %i", posY);
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// qDebug("<session>");
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for (;; ++n) {
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// qDebug("n = %i; pos = %i", n, posY);
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QDocumentLine line = d->line(n);
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if (line.isNull() || ((posY - as) > pageBottom))
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break;
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if (line.isHidden())
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continue;
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m_lines << n;
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m_rects << QRect(0, posY, width(), ls);
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if (maxMarksPerLine) {
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int count = 1;
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QList<int> lm = line.marks();
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foreach (int id, lm) {
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QPixmap pix = mic->markType(id).icon;
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if (pix.isNull())
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continue;
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int h = qMin(pix.height(), ls), w = qMin(pix.width(), 16),
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x = count, y = posY + ((ls - h) >> 1);
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p->drawPixmap(x, y, w, h, pix);
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count += 16;
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}
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}
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posY += ls * line.lineSpan();
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}
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// qDebug("</session>");
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// setFixedWidth(sfm.width(txt) + 5);
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}
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/*!
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\internal
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*/
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void QLineMarkPanel::mousePressEvent(QMouseEvent *e) {
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// if ( !editor() || !editor()->document() || !editor()->marker() )
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// {
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// return QPanel::mousePressEvent(e);
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// }
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//
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QPanel::mousePressEvent(e);
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e->accept();
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}
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/*!
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\internal
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*/
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void QLineMarkPanel::mouseReleaseEvent(QMouseEvent *e) {
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if (!editor() || !editor()->document() || !editor()->languageDefinition()) {
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QPanel::mouseReleaseEvent(e);
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return;
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}
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// QMessageBox::warning(0, 0, "clik.");
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e->accept();
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for (int i = 0; i < m_rects.count(); ++i) {
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if (m_rects.at(i).contains(e->pos())) {
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auto l = editor()->document()->line(m_lines.at(i));
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emit onToggleMark(i);
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break;
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}
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}
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QPanel::mouseReleaseEvent(e);
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}
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/*!
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\internal
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*/
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void QLineMarkPanel::contextMenuEvent(QContextMenuEvent *e) {
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if (!editor() || !editor()->document()) {
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e->ignore();
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return;
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}
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/*
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QTextBlock b;
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QMarker *m = editor()->marker();
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QTextDocument *d = editor()->document();
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e->accept();
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QHash<int, QRect>::iterator i;
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for ( i = rects.begin(); i != rects.end(); i++ )
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{
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b = d->findBlock(i.key());
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if ( i->contains( e->pos() ) )
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return m->menu(b, e->globalPos());
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}
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*/
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}
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/*! @} */
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