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 if (autoUpdateCB->isChecked())
72 update(viewFullSourceCB->isChecked());
74 GuiViewSource::Row row = controller_.getRows();
75 QTextCursor c = QTextCursor(viewSourceTV->document());
76 c.movePosition(QTextCursor::NextBlock, QTextCursor::MoveAnchor, row.begin);
77 c.select(QTextCursor::BlockUnderCursor);
78 c.movePosition(QTextCursor::NextBlock, QTextCursor::KeepAnchor,
79 row.end - row.begin + 1);
80 viewSourceTV->setTextCursor(c);
84 void ViewSourceWidget::update(bool full_source)
86 document_->setPlainText(controller_.getContent(full_source));
90 GuiViewSource::GuiViewSource(GuiView & parent,
91 Qt::DockWidgetArea area, Qt::WindowFlags flags)
92 : DockView(parent, "view-source", qt_("LaTeX Source"), area, flags)
94 widget_ = new ViewSourceWidget(*this);
99 GuiViewSource::~GuiViewSource()
105 void GuiViewSource::updateView()
107 widget_->updateView();
111 bool GuiViewSource::initialiseParams(string const & /*source*/)
113 setWindowTitle(title());
118 QString GuiViewSource::getContent(bool fullSource)
120 // get the *top* level paragraphs that contain the cursor,
121 // or the selected text
125 BufferView * view = bufferview();
126 if (!view->cursor().selection()) {
127 par_begin = view->cursor().bottom().pit();
130 par_begin = view->cursor().selectionBegin().bottom().pit();
131 par_end = view->cursor().selectionEnd().bottom().pit();
133 if (par_begin > par_end)
134 swap(par_begin, par_end);
135 odocstringstream ostr;
136 view->buffer().getSourceCode(ostr, par_begin, par_end + 1, fullSource);
137 return toqstr(ostr.str());
141 GuiViewSource::Row GuiViewSource::getRows() const
143 BufferView const * view = bufferview();
144 CursorSlice beg = view->cursor().selectionBegin().bottom();
145 CursorSlice end = view->cursor().selectionEnd().bottom();
147 int begrow = view->buffer().texrow().
148 getRowFromIdPos(beg.paragraph().id(), beg.pos());
149 int endrow = view->buffer().texrow().
150 getRowFromIdPos(end.paragraph().id(), end.pos());
151 int nextendrow = view->buffer().texrow().
152 getRowFromIdPos(end.paragraph().id(), end.pos() + 1);
155 row.end = endrow == nextendrow ? endrow : (nextendrow - 1);
160 QString GuiViewSource::title() const
164 return qt_("LaTeX Source");
166 return qt_("DocBook Source");
168 return qt_("Literate Source");
170 LASSERT(false, /**/);
175 Dialog * createGuiViewSource(GuiView & lv)
177 return new GuiViewSource(lv);
181 } // namespace frontend
184 #include "GuiViewSource_moc.cpp"