2 * \file GuiViewSource.cpp
3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
8 * \author Abdelrazak Younes
10 * Full author contact details are available in file CREDITS.
15 #include "GuiApplication.h"
16 #include "GuiViewSource.h"
17 #include "LaTeXHighlighter.h"
18 #include "qt_helpers.h"
20 #include "BufferView.h"
23 #include "Paragraph.h"
26 #include "support/lassert.h"
27 #include "support/docstream.h"
28 #include "support/gettext.h"
30 #include <QTextCursor>
31 #include <QTextDocument>
38 ViewSourceWidget::ViewSourceWidget(GuiViewSource & controller)
39 : controller_(controller), document_(new QTextDocument(this)),
40 highlighter_(new LaTeXHighlighter(document_))
44 connect(viewFullSourceCB, SIGNAL(clicked()),
45 this, SLOT(updateView()));
46 connect(autoUpdateCB, SIGNAL(toggled(bool)),
47 updatePB, SLOT(setDisabled(bool)));
48 connect(updatePB, SIGNAL(clicked()),
49 this, SLOT(updateView()));
51 // setting a document at this point trigger an assertion in Qt
52 // so we disable the signals here:
53 document_->blockSignals(true);
54 viewSourceTV->setDocument(document_);
55 document_->blockSignals(false);
56 viewSourceTV->setReadOnly(true);
57 ///dialog_->viewSourceTV->setAcceptRichText(false);
58 // this is personal. I think source code should be in fixed-size font
59 QFont font(guiApp->typewriterFontName());
60 font.setKerning(false);
61 font.setFixedPitch(true);
62 font.setStyleHint(QFont::TypeWriter);
63 viewSourceTV->setFont(font);
64 // again, personal taste
65 viewSourceTV->setWordWrapMode(QTextOption::NoWrap);
69 void ViewSourceWidget::updateView()
71 BufferView * view = controller_.bufferview();
73 document_->setPlainText(QString());
77 if (autoUpdateCB->isChecked())
78 document_->setPlainText(controller_.getContent(
79 viewFullSourceCB->isChecked()));
81 GuiViewSource::Row row = controller_.getRows();
82 QTextCursor c = QTextCursor(viewSourceTV->document());
83 c.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, row.begin);
84 c.select(QTextCursor::BlockUnderCursor);
85 c.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor,
86 row.end - row.begin + 1);
87 viewSourceTV->setTextCursor(c);
91 GuiViewSource::GuiViewSource(GuiView & parent,
92 Qt::DockWidgetArea area, Qt::WindowFlags flags)
93 : DockView(parent, "view-source", qt_("LaTeX Source"), area, flags)
95 widget_ = new ViewSourceWidget(*this);
100 GuiViewSource::~GuiViewSource()
106 void GuiViewSource::updateView()
108 widget_->updateView();
112 void GuiViewSource::enableView(bool enable)
115 // In the opposite case, updateView() will be called anyway.
116 widget_->updateView();
117 widget_->setEnabled(enable);
121 bool GuiViewSource::initialiseParams(string const & /*source*/)
123 setWindowTitle(title());
128 QString GuiViewSource::getContent(bool fullSource)
130 // get the *top* level paragraphs that contain the cursor,
131 // or the selected text
135 BufferView * view = bufferview();
136 if (!view->cursor().selection()) {
137 par_begin = view->cursor().bottom().pit();
140 par_begin = view->cursor().selectionBegin().bottom().pit();
141 par_end = view->cursor().selectionEnd().bottom().pit();
143 if (par_begin > par_end)
144 swap(par_begin, par_end);
145 odocstringstream ostr;
146 view->buffer().getSourceCode(ostr, par_begin, par_end + 1, fullSource);
147 return toqstr(ostr.str());
151 GuiViewSource::Row GuiViewSource::getRows() const
153 BufferView const * view = bufferview();
154 CursorSlice beg = view->cursor().selectionBegin().bottom();
155 CursorSlice end = view->cursor().selectionEnd().bottom();
157 int begrow = view->buffer().texrow().
158 getRowFromIdPos(beg.paragraph().id(), beg.pos());
159 int endrow = view->buffer().texrow().
160 getRowFromIdPos(end.paragraph().id(), end.pos());
161 int nextendrow = view->buffer().texrow().
162 getRowFromIdPos(end.paragraph().id(), end.pos() + 1);
165 row.end = endrow == nextendrow ? endrow : (nextendrow - 1);
170 QString GuiViewSource::title() const
174 return qt_("LaTeX Source");
176 return qt_("DocBook Source");
178 return qt_("Literate Source");
180 LASSERT(false, /**/);
185 Dialog * createGuiViewSource(GuiView & lv)
187 return new GuiViewSource(lv);
191 } // namespace frontend
194 #include "GuiViewSource_moc.cpp"