#include "GuiView.h"
#include "IconPalette.h"
#include "InsertTableWidget.h"
+#include "LayoutBox.h"
#include "qt_helpers.h"
#include "Toolbars.h"
-#include "Buffer.h"
-#include "BufferParams.h"
-#include "BufferView.h"
-#include "Cursor.h"
#include "FuncRequest.h"
#include "FuncStatus.h"
#include "KeyMap.h"
-#include "Layout.h"
#include "LyXFunc.h"
#include "LyXRC.h"
-#include "Paragraph.h"
-#include "TextClass.h"
-
-#include "insets/InsetText.h"
#include "support/debug.h"
-#include "support/filetools.h"
#include "support/gettext.h"
#include "support/lstrings.h"
-#include <QAbstractItemDelegate>
-#include <QAbstractTextDocumentLayout>
-#include <QApplication>
-#include <QComboBox>
-#include <QFontMetrics>
-#include <QHeaderView>
-#include <QItemDelegate>
-#include <QKeyEvent>
-#include <QList>
-#include <QListView>
-#include <QPainter>
-#include <QPixmap>
#include <QSettings>
-#include <QSortFilterProxyModel>
-#include <QStandardItem>
-#include <QStandardItemModel>
#include <QString>
-#include <QTextDocument>
-#include <QTextFrame>
#include <QToolBar>
#include <QToolButton>
-#include <QVariant>
#include "support/lassert.h"
namespace lyx {
namespace frontend {
-/////////////////////////////////////////////////////////////////////
-//
-// GuiLayoutBox
-//
-/////////////////////////////////////////////////////////////////////
-
-class LayoutItemDelegate : public QItemDelegate {
-public:
- ///
- explicit LayoutItemDelegate(QObject * parent = 0)
- : QItemDelegate(parent)
- {}
-
- ///
- void paint(QPainter * painter, QStyleOptionViewItem const & option,
- QModelIndex const & index) const
- {
- QStyleOptionViewItem opt = option;
-
- // default background
- painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
-
- // category header?
- if (lyxrc.group_layouts) {
- QSortFilterProxyModel const * model
- = static_cast<QSortFilterProxyModel const *>(index.model());
-
- QString stdCat = category(*model->sourceModel(), 0);
- QString cat = category(*index.model(), index.row());
-
- // not the standard layout and not the same as in the previous line?
- if (stdCat != cat
- && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
- painter->save();
-
- // draw unselected background
- QStyle::State state = opt.state;
- opt.state = opt.state & ~QStyle::State_Selected;
- drawBackground(painter, opt, index);
- opt.state = state;
-
- // draw category header
- drawCategoryHeader(painter, opt,
- category(*index.model(), index.row()));
-
- // move rect down below header
- opt.rect.setTop(opt.rect.top() + headerHeight(opt));
-
- painter->restore();
- }
- }
-
- QItemDelegate::paint(painter, opt, index);
- }
-
- ///
- void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
- const QRect & /*rect*/, const QString & text ) const
- {
- QString utext = underlineFilter(text);
-
- // Draw the rich text.
- painter->save();
- QColor col = opt.palette.text().color();
- if (opt.state & QStyle::State_Selected)
- col = opt.palette.highlightedText().color();
- QAbstractTextDocumentLayout::PaintContext context;
- context.palette.setColor(QPalette::Text, col);
-
- QTextDocument doc;
- doc.setDefaultFont(opt.font);
- doc.setHtml(utext);
-
- QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
- fmt.setMargin(0);
- doc.rootFrame()->setFrameFormat(fmt);
-
- painter->translate(opt.rect.x() + 5,
- opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
- doc.documentLayout()->draw(painter, context);
- painter->restore();
- }
-
- ///
- QSize sizeHint(QStyleOptionViewItem const & opt,
- QModelIndex const & index) const
- {
- GuiLayoutBox * combo = static_cast<GuiLayoutBox *>(parent());
- QSortFilterProxyModel const * model
- = static_cast<QSortFilterProxyModel const *>(index.model());
- QSize size = QItemDelegate::sizeHint(opt, index);
-
- /// QComboBox uses the first row height to estimate the
- /// complete popup height during QComboBox::showPopup().
- /// To avoid scrolling we have to sneak in space for the headers.
- /// So we tweak this value accordingly. It's not nice, but the
- /// only possible way it seems.
- if (lyxrc.group_layouts && index.row() == 0 && combo->inShowPopup_) {
- int itemHeight = size.height();
-
- // we have to show \c cats many headers:
- unsigned cats = combo->visibleCategories_;
-
- // and we have \c n items to distribute the needed space over
- unsigned n = combo->model()->rowCount();
-
- // so the needed average height (rounded upwards) is:
- size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
- return size;
- }
-
- // Add space for the category headers here?
- // Not for the standard layout though.
- QString stdCat = category(*model->sourceModel(), 0);
- QString cat = category(*index.model(), index.row());
- if (lyxrc.group_layouts && stdCat != cat
- && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
- size.setHeight(size.height() + headerHeight(opt));
- }
-
- return size;
- }
-
-private:
- ///
- QString category(QAbstractItemModel const & model, int row) const
- {
- return model.data(model.index(row, 2), Qt::DisplayRole).toString();
- }
-
- ///
- int headerHeight(QStyleOptionViewItem const & opt) const
- {
- return opt.fontMetrics.height() * 8 / 10;
- }
- ///
- void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
- QString const & category) const
- {
- // slightly blended color
- QColor lcol = opt.palette.text().color();
- lcol.setAlpha(127);
- painter->setPen(lcol);
-
- // set 80% scaled, bold font
- QFont font = opt.font;
- font.setBold(true);
- font.setWeight(QFont::Black);
- font.setPointSize(opt.font.pointSize() * 8 / 10);
- painter->setFont(font);
-
- // draw the centered text
- QFontMetrics fm(font);
- int w = fm.width(category);
- int x = opt.rect.x() + (opt.rect.width() - w) / 2;
- int y = opt.rect.y() + fm.ascent();
- int left = x;
- int right = x + w;
- painter->drawText(x, y, category);
-
- // the vertical position of the line: middle of lower case chars
- int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
-
- // draw the horizontal line
- if (!category.isEmpty()) {
- painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
- painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
- } else
- painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
- }
-
-
- ///
- QString underlineFilter(QString const & s) const
- {
- // get filter
- GuiLayoutBox * p = static_cast<GuiLayoutBox *>(parent());
- QString const & f = p->filter();
- if (f.isEmpty())
- return s;
-
- // step through data item and put "(x)" for every matching character
- QString r;
- int lastp = -1;
- p->filter();
- for (int i = 0; i < f.length(); ++i) {
- int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
- LASSERT(p != -1, /**/);
- if (lastp == p - 1 && lastp != -1) {
- // remove ")" and append "x)"
- r = r.left(r.length() - 4) + s[p] + "</u>";
- } else {
- // append "(x)"
- r += s.mid(lastp + 1, p - lastp - 1);
- r += QString("<u>") + s[p] + "</u>";
- }
- lastp = p;
- }
- r += s.mid(lastp + 1);
- return r;
- }
-};
-
-
-class GuiLayoutFilterModel : public QSortFilterProxyModel {
-public:
- ///
- GuiLayoutFilterModel(QObject * parent = 0)
- : QSortFilterProxyModel(parent)
- {}
-
- ///
- void triggerLayoutChange()
- {
- layoutAboutToBeChanged();
- layoutChanged();
- }
-};
-
-
-GuiLayoutBox::GuiLayoutBox(GuiToolbar * bar, GuiView & owner)
- : owner_(owner), bar_(bar), lastSel_(-1),
- layoutItemDelegate_(new LayoutItemDelegate(this)),
- visibleCategories_(0), inShowPopup_(false)
-{
- setSizeAdjustPolicy(QComboBox::AdjustToContents);
- setFocusPolicy(Qt::ClickFocus);
- setMinimumWidth(sizeHint().width());
- setMaxVisibleItems(100);
-
- // set the layout model with two columns
- // 1st: translated layout names
- // 2nd: raw layout names
- model_ = new QStandardItemModel(0, 2, this);
- filterModel_ = new GuiLayoutFilterModel(this);
- filterModel_->setSourceModel(model_);
- setModel(filterModel_);
-
- // for the filtering we have to intercept characters
- view()->installEventFilter(this);
- view()->setItemDelegateForColumn(0, layoutItemDelegate_);
-
- QObject::connect(this, SIGNAL(activated(int)),
- this, SLOT(selected(int)));
- QObject::connect(bar_, SIGNAL(iconSizeChanged(QSize)),
- this, SLOT(setIconSize(QSize)));
-
- owner_.setLayoutDialog(this);
- updateContents(true);
-}
-
-
-void GuiLayoutBox::setFilter(QString const & s)
-{
- bool enabled = view()->updatesEnabled();
- view()->setUpdatesEnabled(false);
-
- // remember old selection
- int sel = currentIndex();
- if (sel != -1)
- lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
-
- filter_ = s;
- filterModel_->setFilterRegExp(charFilterRegExp(filter_));
- countCategories();
-
- // restore old selection
- if (lastSel_ != -1) {
- QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
- if (i.isValid())
- setCurrentIndex(i.row());
- }
-
- // Workaround to resize to content size
- // FIXME: There must be a better way. The QComboBox::AdjustToContents)
- // does not help.
- if (view()->isVisible()) {
- // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
- // the hack in the item delegate to make space for the headers.
- // We do not call our implementation of showPopup because that
- // would reset the filter again. This is only needed if the user clicks
- // on the QComboBox.
- LASSERT(!inShowPopup_, /**/);
- inShowPopup_ = true;
- QComboBox::showPopup();
- inShowPopup_ = false;
-
- // The item delegate hack is off again. So trigger a relayout of the popup.
- filterModel_->triggerLayoutChange();
-
- if (!s.isEmpty())
- owner_.message(bformat(_("Filtering layouts with \"%1$s\". "
- "Press ESC to remove filter."),
- qstring_to_ucs4(s)));
- else
- owner_.message(_("Enter characters to filter the layout list."));
- }
-
- view()->setUpdatesEnabled(enabled);
-}
-
-
-void GuiLayoutBox::countCategories()
-{
- int n = filterModel_->rowCount();
- visibleCategories_ = 0;
- if (n == 0 || !lyxrc.group_layouts)
- return;
-
- // skip the "Standard" category
- QString prevCat = model_->index(0, 2).data().toString();
-
- // count categories
- for (int i = 0; i < n; ++i) {
- QString cat = filterModel_->index(i, 2).data().toString();
- if (cat != prevCat)
- ++visibleCategories_;
- prevCat = cat;
- }
-}
-
-
-QString GuiLayoutBox::charFilterRegExp(QString const & filter)
-{
- QString re;
- for (int i = 0; i < filter.length(); ++i) {
- QChar c = filter[i];
- if (c.isLower())
- re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
- else
- re += ".*" + QRegExp::escape(c);
- }
- return re;
-}
-
-
-void GuiLayoutBox::resetFilter()
-{
- setFilter(QString());
-}
-
-
-void GuiLayoutBox::showPopup()
-{
- owner_.message(_("Enter characters to filter the layout list."));
-
- bool enabled = view()->updatesEnabled();
- view()->setUpdatesEnabled(false);
-
- resetFilter();
-
- // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
- // the hack in the item delegate to make space for the headers.
- LASSERT(!inShowPopup_, /**/);
- inShowPopup_ = true;
- QComboBox::showPopup();
- inShowPopup_ = false;
-
- // The item delegate hack is off again. So trigger a relayout of the popup.
- filterModel_->triggerLayoutChange();
-
- view()->setUpdatesEnabled(enabled);
-}
-
-
-bool GuiLayoutBox::eventFilter(QObject * o, QEvent * e)
-{
- if (e->type() != QEvent::KeyPress)
- return QComboBox::eventFilter(o, e);
-
- QKeyEvent * ke = static_cast<QKeyEvent*>(e);
- bool modified = (ke->modifiers() == Qt::ControlModifier)
- || (ke->modifiers() == Qt::AltModifier)
- || (ke->modifiers() == Qt::MetaModifier);
-
- switch (ke->key()) {
- case Qt::Key_Escape:
- if (!modified && !filter_.isEmpty()) {
- resetFilter();
- return true;
- }
- break;
- case Qt::Key_Backspace:
- if (!modified) {
- // cut off one character
- setFilter(filter_.left(filter_.length() - 1));
- }
- break;
- default:
- if (modified || ke->text().isEmpty())
- break;
- // find chars for the filter string
- QString s;
- for (int i = 0; i < ke->text().length(); ++i) {
- QChar c = ke->text()[i];
- if (c.isLetterOrNumber()
- || c.isSymbol()
- || c.isPunct()
- || c.category() == QChar::Separator_Space) {
- s += c;
- }
- }
- if (!s.isEmpty()) {
- // append new chars to the filter string
- setFilter(filter_ + s);
- return true;
- }
- break;
- }
-
- return QComboBox::eventFilter(o, e);
-}
-
-
-void GuiLayoutBox::setIconSize(QSize size)
-{
-#ifdef Q_WS_MACX
- bool small = size.height() < 20;
- setAttribute(Qt::WA_MacSmallSize, small);
- setAttribute(Qt::WA_MacNormalSize, !small);
-#else
- (void)size; // suppress warning
-#endif
-}
-
-
-void GuiLayoutBox::set(docstring const & layout)
-{
- resetFilter();
-
- if (!text_class_)
- return;
-
- Layout const & lay = (*text_class_)[layout];
- QString newLayout = toqstr(lay.name());
-
- // If the layout is obsolete, use the new one instead.
- docstring const & obs = lay.obsoleted_by();
- if (!obs.empty())
- newLayout = toqstr(obs);
-
- int const curItem = currentIndex();
- QModelIndex const mindex =
- filterModel_->mapToSource(filterModel_->index(curItem, 1));
- QString const & currentLayout = model_->itemFromIndex(mindex)->text();
- if (newLayout == currentLayout) {
- LYXERR(Debug::GUI, "Already had " << newLayout << " selected.");
- return;
- }
-
- QList<QStandardItem *> r = model_->findItems(newLayout, Qt::MatchExactly, 1);
- if (r.empty()) {
- LYXERR0("Trying to select non existent layout type " << newLayout);
- return;
- }
-
- setCurrentIndex(filterModel_->mapFromSource(r.first()->index()).row());
-}
-
-
-void GuiLayoutBox::addItemSort(docstring const & item, docstring const & category,
- bool sorted, bool sortedByCat, bool unknown)
-{
- QString qitem = toqstr(item);
- // FIXME This is wrong for RTL, I'd suppose.
- QString titem = toqstr(translateIfPossible(item) +
- (unknown ? _(" (unknown)") : from_ascii("")));
- QString qcat = toqstr(translateIfPossible(category));
-
- QList<QStandardItem *> row;
- row.append(new QStandardItem(titem));
- row.append(new QStandardItem(qitem));
- row.append(new QStandardItem(qcat));
-
- // the first entry is easy
- int const end = model_->rowCount();
- if (end == 0) {
- model_->appendRow(row);
- return;
- }
-
- // find category
- int i = 0;
- if (sortedByCat) {
- while (i < end && model_->item(i, 2)->text() != qcat)
- ++i;
- }
-
- // skip the Standard layout
- if (i == 0)
- ++i;
-
- // the simple unsorted case
- if (!sorted) {
- if (sortedByCat) {
- // jump to the end of the category group
- while (i < end && model_->item(i, 2)->text() == qcat)
- ++i;
- model_->insertRow(i, row);
- } else
- model_->appendRow(row);
- return;
- }
-
- // find row to insert the item, after the separator if it exists
- if (i < end) {
- // find alphabetic position
- while (i != end
- && model_->item(i, 0)->text().localeAwareCompare(titem) < 0
- && (!sortedByCat || model_->item(i, 2)->text() == qcat))
- ++i;
- }
-
- model_->insertRow(i, row);
-}
-
-
-void GuiLayoutBox::updateContents(bool reset)
-{
- resetFilter();
-
- Buffer const * buffer = owner_.buffer();
- if (!buffer) {
- model_->clear();
- setEnabled(false);
- text_class_ = 0;
- inset_ = 0;
- return;
- }
-
- // we'll only update the layout list if the text class has changed
- // or we've moved from one inset to another
- DocumentClass const * text_class = &buffer->params().documentClass();
- Inset const * inset =
- &(owner_.view()->cursor().innerText()->inset());
- if (!reset && text_class_ == text_class && inset_ == inset) {
- set(owner_.view()->cursor().innerParagraph().layout().name());
- return;
- }
-
- inset_ = inset;
- text_class_ = text_class;
-
- model_->clear();
- DocumentClass::const_iterator lit = text_class_->begin();
- DocumentClass::const_iterator len = text_class_->end();
-
- for (; lit != len; ++lit) {
- docstring const & name = lit->name();
- bool const useEmpty = inset_->forcePlainLayout() || inset_->usePlainLayout();
- // if this inset requires the empty layout, we skip the default
- // layout
- if (name == text_class_->defaultLayoutName() && inset_ && useEmpty)
- continue;
- // if it doesn't require the empty layout, we skip it
- if (name == text_class_->plainLayoutName() && inset_ && !useEmpty)
- continue;
- // obsoleted layouts are skipped as well
- if (!lit->obsoleted_by().empty())
- continue;
- addItemSort(name, lit->category(), lyxrc.sort_layouts,
- lyxrc.group_layouts, lit->isUnknown());
- }
-
- set(owner_.view()->cursor().innerParagraph().layout().name());
- countCategories();
-
- // needed to recalculate size hint
- hide();
- setMinimumWidth(sizeHint().width());
- setEnabled(!buffer->isReadonly() &&
- lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
- show();
-}
-
-
-void GuiLayoutBox::selected(int index)
-{
- // get selection
- QModelIndex mindex = filterModel_->mapToSource(filterModel_->index(index, 1));
- docstring layoutName = qstring_to_ucs4(model_->itemFromIndex(mindex)->text());
- owner_.setFocus();
-
- if (!text_class_) {
- updateContents(false);
- resetFilter();
- return;
- }
-
- // find corresponding text class
- if (text_class_->hasLayout(layoutName)) {
- FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
- theLyXFunc().setLyXView(&owner_);
- lyx::dispatch(func);
- updateContents(false);
- resetFilter();
- return;
- }
- LYXERR0("ERROR (layoutSelected): layout " << layoutName << " not found!");
-}
-
-
-
-/////////////////////////////////////////////////////////////////////
-//
-// GuiToolbar
-//
-/////////////////////////////////////////////////////////////////////
-
-
GuiToolbar::GuiToolbar(ToolbarInfo const & tbinfo, GuiView & owner)
: QToolBar(toqstr(tbinfo.gui_name), &owner), visibility_(0),
allowauto_(false), owner_(owner), layout_(0), command_buffer_(0),
addSeparator();
break;
case ToolbarItem::LAYOUTS:
- layout_ = new GuiLayoutBox(this, owner_);
+ layout_ = new LayoutBox(this, owner_);
addWidget(layout_);
break;
case ToolbarItem::MINIBUFFER:
#include "Session.h"
-#include <QAbstractProxyModel>
-#include <QComboBox>
#include <QList>
#include <QToolBar>
#include <QToolButton>
-class QSortFilterProxyModel;
-class QStandardItemModel;
-
namespace lyx {
class DocumentClass;
class GuiLayoutFilterModel;
class GuiToolbar;
class GuiView;
-class LayoutItemDelegate;
+class LayoutBox;
class ToolbarInfo;
class ToolbarItem;
-class GuiLayoutBox : public QComboBox
-{
- Q_OBJECT
-public:
- GuiLayoutBox(GuiToolbar * bar, GuiView &);
-
- /// select the right layout in the combobox.
- void set(docstring const & layout);
- /// Populate the layout combobox.
- void updateContents(bool reset);
- /// Add Item to Layout box according to sorting settings from preferences
- void addItemSort(docstring const & item, docstring const & category,
- bool sorted, bool sortedByCat, bool unknown);
-
- ///
- void showPopup();
-
- ///
- bool eventFilter(QObject * o, QEvent * e);
- ///
- QString const & filter() { return filter_; }
-
-private Q_SLOTS:
- ///
- void selected(int index);
- ///
- void setIconSize(QSize size);
-
-private:
- friend class LayoutItemDelegate;
-
- ///
- void resetFilter();
- ///
- void setFilter(QString const & s);
- ///
- QString charFilterRegExp(QString const & filter);
- ///
- void countCategories();
-
- ///
- GuiView & owner_;
- ///
- GuiToolbar * bar_;
- ///
- DocumentClass const * text_class_;
- ///
- Inset const * inset_;
-
- /// the layout model: 1st column translated, 2nd column raw layout name
- QStandardItemModel * model_;
- /// the proxy model filtering \c model_
- GuiLayoutFilterModel * filterModel_;
- /// the (model-) index of the last successful selection
- int lastSel_;
- /// the character filter
- QString filter_;
- ///
- LayoutItemDelegate * layoutItemDelegate_;
- ///
- unsigned visibleCategories_;
- ///
- bool inShowPopup_;
-};
-
-
class MenuButton : public QToolButton
{
Q_OBJECT
///
GuiView & owner_;
///
- GuiLayoutBox * layout_;
+ LayoutBox * layout_;
///
GuiCommandBuffer * command_buffer_;
///
#include "GuiKeySymbol.h"
#include "GuiToc.h"
#include "GuiToolbar.h"
+#include "LayoutBox.h"
#include "Menus.h"
#include "TocModel.h"
* FIXME: replace that with a proper model so that we are not limited
* to only one dialog.
*/
- GuiLayoutBox * layout_;
+ LayoutBox * layout_;
///
map<string, Inset *> open_insets_;
}
-void GuiView::setLayoutDialog(GuiLayoutBox * layout)
+void GuiView::setLayoutDialog(LayoutBox * layout)
{
d.layout_ = layout;
}
namespace frontend {
class Dialog;
-class GuiLayoutBox;
+class LayoutBox;
class GuiToolbar;
class GuiWorkArea;
class TabWorkArea;
bool dispatch(FuncRequest const & cmd);
///
- void setLayoutDialog(GuiLayoutBox *);
+ void setLayoutDialog(LayoutBox *);
/// \return the buffer currently shown in this window
Buffer * buffer();
--- /dev/null
+/**
+ * \file qt4/LayoutBox.cpp
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
+ * \author Jean-Marc Lasgouttes
+ * \author Angus Leeming
+ * \author Stefan Schimanski
+ * \author Abdelrazak Younes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#include <config.h>
+
+#include "LayoutBox.h"
+
+#include "Action.h"
+#include "GuiView.h"
+#include "qt_helpers.h"
+#include "Toolbars.h"
+
+#include "Buffer.h"
+#include "BufferParams.h"
+#include "BufferView.h"
+#include "Cursor.h"
+#include "FuncRequest.h"
+#include "FuncStatus.h"
+#include "Layout.h"
+#include "LyXFunc.h"
+#include "LyXRC.h"
+#include "Paragraph.h"
+#include "TextClass.h"
+
+#include "insets/InsetText.h"
+
+#include "support/debug.h"
+#include "support/filetools.h"
+#include "support/gettext.h"
+#include "support/lstrings.h"
+
+#include <QAbstractItemDelegate>
+#include <QAbstractTextDocumentLayout>
+#include <QApplication>
+#include <QComboBox>
+#include <QFontMetrics>
+#include <QHeaderView>
+#include <QItemDelegate>
+#include <QKeyEvent>
+#include <QList>
+#include <QListView>
+#include <QPainter>
+#include <QPixmap>
+#include <QSettings>
+#include <QSortFilterProxyModel>
+#include <QStandardItem>
+#include <QStandardItemModel>
+#include <QString>
+#include <QTextDocument>
+#include <QTextFrame>
+#include <QToolBar>
+#include <QVariant>
+
+#include "support/lassert.h"
+
+using namespace std;
+using namespace lyx::support;
+
+namespace lyx {
+namespace frontend {
+
+
+class LayoutItemDelegate : public QItemDelegate {
+public:
+ ///
+ explicit LayoutItemDelegate(LayoutBox * layout)
+ : QItemDelegate(layout), layout_(layout)
+ {}
+ ///
+ void paint(QPainter * painter, QStyleOptionViewItem const & option,
+ QModelIndex const & index) const;
+ ///
+ void drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
+ const QRect & /*rect*/, const QString & text ) const;
+ ///
+ QSize sizeHint(QStyleOptionViewItem const & opt,
+ QModelIndex const & index) const;
+
+private:
+ ///
+ void drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
+ QString const & category) const;
+ ///
+ QString underlineFilter(QString const & s) const;
+ ///
+ LayoutBox * layout_;
+};
+
+
+class GuiLayoutFilterModel : public QSortFilterProxyModel {
+public:
+ ///
+ GuiLayoutFilterModel(QObject * parent = 0)
+ : QSortFilterProxyModel(parent)
+ {}
+
+ ///
+ void triggerLayoutChange()
+ {
+ layoutAboutToBeChanged();
+ layoutChanged();
+ }
+};
+
+
+/////////////////////////////////////////////////////////////////////
+//
+// LayoutBox::Private
+//
+/////////////////////////////////////////////////////////////////////
+
+struct LayoutBox::Private
+{
+ Private(LayoutBox * parent, GuiView & gv) : p(parent), owner_(gv),
+ lastSel_(-1), visibleCategories_(0), inShowPopup_(false),
+ layoutItemDelegate_(new LayoutItemDelegate(parent)),
+ // set the layout model with two columns
+ // 1st: translated layout names
+ // 2nd: raw layout names
+ model_(new QStandardItemModel(0, 2, p)),
+ filterModel_(new GuiLayoutFilterModel(p))
+ {
+ filterModel_->setSourceModel(model_);
+ }
+
+ void resetFilter() { setFilter(QString()); }
+ ///
+ void setFilter(QString const & s);
+ ///
+ void countCategories();
+ ///
+ LayoutBox * p;
+ ///
+ GuiView & owner_;
+ ///
+ DocumentClass const * text_class_;
+ ///
+ Inset const * inset_;
+
+ /// the layout model: 1st column translated, 2nd column raw layout name
+ QStandardItemModel * model_;
+ /// the proxy model filtering \c model_
+ GuiLayoutFilterModel * filterModel_;
+ /// the (model-) index of the last successful selection
+ int lastSel_;
+ /// the character filter
+ QString filter_;
+ ///
+ LayoutItemDelegate * layoutItemDelegate_;
+ ///
+ unsigned visibleCategories_;
+ ///
+ bool inShowPopup_;
+};
+
+
+static QString category(QAbstractItemModel const & model, int row)
+{
+ return model.data(model.index(row, 2), Qt::DisplayRole).toString();
+}
+
+
+static int headerHeight(QStyleOptionViewItem const & opt)
+{
+ return opt.fontMetrics.height() * 8 / 10;
+}
+
+
+void LayoutItemDelegate::paint(QPainter * painter, QStyleOptionViewItem const & option,
+ QModelIndex const & index) const
+{
+ QStyleOptionViewItem opt = option;
+
+ // default background
+ painter->fillRect(opt.rect, opt.palette.color(QPalette::Base));
+
+ // category header?
+ if (lyxrc.group_layouts) {
+ QSortFilterProxyModel const * model =
+ static_cast<QSortFilterProxyModel const *>(index.model());
+
+ QString stdCat = category(*model->sourceModel(), 0);
+ QString cat = category(*index.model(), index.row());
+
+ // not the standard layout and not the same as in the previous line?
+ if (stdCat != cat
+ && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
+ painter->save();
+
+ // draw unselected background
+ QStyle::State state = opt.state;
+ opt.state = opt.state & ~QStyle::State_Selected;
+ drawBackground(painter, opt, index);
+ opt.state = state;
+
+ // draw category header
+ drawCategoryHeader(painter, opt,
+ category(*index.model(), index.row()));
+
+ // move rect down below header
+ opt.rect.setTop(opt.rect.top() + headerHeight(opt));
+
+ painter->restore();
+ }
+ }
+
+ QItemDelegate::paint(painter, opt, index);
+}
+
+
+void LayoutItemDelegate::drawDisplay(QPainter * painter, QStyleOptionViewItem const & opt,
+ const QRect & /*rect*/, const QString & text ) const
+{
+ QString utext = underlineFilter(text);
+
+ // Draw the rich text.
+ painter->save();
+ QColor col = opt.palette.text().color();
+ if (opt.state & QStyle::State_Selected)
+ col = opt.palette.highlightedText().color();
+ QAbstractTextDocumentLayout::PaintContext context;
+ context.palette.setColor(QPalette::Text, col);
+
+ QTextDocument doc;
+ doc.setDefaultFont(opt.font);
+ doc.setHtml(utext);
+
+ QTextFrameFormat fmt = doc.rootFrame()->frameFormat();
+ fmt.setMargin(0);
+ doc.rootFrame()->setFrameFormat(fmt);
+
+ painter->translate(opt.rect.x() + 5,
+ opt.rect.y() + (opt.rect.height() - opt.fontMetrics.height()) / 2);
+ doc.documentLayout()->draw(painter, context);
+ painter->restore();
+}
+
+
+QSize LayoutItemDelegate::sizeHint(QStyleOptionViewItem const & opt,
+ QModelIndex const & index) const
+{
+ QSortFilterProxyModel const * model =
+ static_cast<QSortFilterProxyModel const *>(index.model());
+ QSize size = QItemDelegate::sizeHint(opt, index);
+
+ /// QComboBox uses the first row height to estimate the
+ /// complete popup height during QComboBox::showPopup().
+ /// To avoid scrolling we have to sneak in space for the headers.
+ /// So we tweak this value accordingly. It's not nice, but the
+ /// only possible way it seems.
+ if (lyxrc.group_layouts && index.row() == 0 && layout_->d->inShowPopup_) {
+ int itemHeight = size.height();
+
+ // we have to show \c cats many headers:
+ unsigned cats = layout_->d->visibleCategories_;
+
+ // and we have \c n items to distribute the needed space over
+ unsigned n = layout_->model()->rowCount();
+
+ // so the needed average height (rounded upwards) is:
+ size.setHeight((headerHeight(opt) * cats + itemHeight * n + n - 1) / n);
+ return size;
+ }
+
+ // Add space for the category headers here?
+ // Not for the standard layout though.
+ QString stdCat = category(*model->sourceModel(), 0);
+ QString cat = category(*index.model(), index.row());
+ if (lyxrc.group_layouts && stdCat != cat
+ && (index.row() == 0 || cat != category(*index.model(), index.row() - 1))) {
+ size.setHeight(size.height() + headerHeight(opt));
+ }
+
+ return size;
+}
+
+
+void LayoutItemDelegate::drawCategoryHeader(QPainter * painter, QStyleOptionViewItem const & opt,
+ QString const & category) const
+{
+ // slightly blended color
+ QColor lcol = opt.palette.text().color();
+ lcol.setAlpha(127);
+ painter->setPen(lcol);
+
+ // set 80% scaled, bold font
+ QFont font = opt.font;
+ font.setBold(true);
+ font.setWeight(QFont::Black);
+ font.setPointSize(opt.font.pointSize() * 8 / 10);
+ painter->setFont(font);
+
+ // draw the centered text
+ QFontMetrics fm(font);
+ int w = fm.width(category);
+ int x = opt.rect.x() + (opt.rect.width() - w) / 2;
+ int y = opt.rect.y() + fm.ascent();
+ int left = x;
+ int right = x + w;
+ painter->drawText(x, y, category);
+
+ // the vertical position of the line: middle of lower case chars
+ int ymid = y - 1 - fm.xHeight() / 2; // -1 for the baseline
+
+ // draw the horizontal line
+ if (!category.isEmpty()) {
+ painter->drawLine(opt.rect.x(), ymid, left - 1, ymid);
+ painter->drawLine(right + 1, ymid, opt.rect.right(), ymid);
+ } else
+ painter->drawLine(opt.rect.x(), ymid, opt.rect.right(), ymid);
+}
+
+
+QString LayoutItemDelegate::underlineFilter(QString const & s) const
+{
+ QString const & f = layout_->filter();
+ if (f.isEmpty())
+ return s;
+
+ // step through data item and put "(x)" for every matching character
+ QString r;
+ int lastp = -1;
+ layout_->filter();
+ for (int i = 0; i < f.length(); ++i) {
+ int p = s.indexOf(f[i], lastp + 1, Qt::CaseInsensitive);
+ LASSERT(p != -1, /**/);
+ if (lastp == p - 1 && lastp != -1) {
+ // remove ")" and append "x)"
+ r = r.left(r.length() - 4) + s[p] + "</u>";
+ } else {
+ // append "(x)"
+ r += s.mid(lastp + 1, p - lastp - 1);
+ r += QString("<u>") + s[p] + "</u>";
+ }
+ lastp = p;
+ }
+ r += s.mid(lastp + 1);
+ return r;
+}
+
+
+static QString charFilterRegExp(QString const & filter)
+{
+ QString re;
+ for (int i = 0; i < filter.length(); ++i) {
+ QChar c = filter[i];
+ if (c.isLower())
+ re += ".*[" + QRegExp::escape(c) + QRegExp::escape(c.toUpper()) + "]";
+ else
+ re += ".*" + QRegExp::escape(c);
+ }
+ return re;
+}
+
+
+void LayoutBox::Private::setFilter(QString const & s)
+{
+ bool enabled = p->view()->updatesEnabled();
+ p->view()->setUpdatesEnabled(false);
+
+ // remember old selection
+ int sel = p->currentIndex();
+ if (sel != -1)
+ lastSel_ = filterModel_->mapToSource(filterModel_->index(sel, 0)).row();
+
+ filter_ = s;
+ filterModel_->setFilterRegExp(charFilterRegExp(filter_));
+ countCategories();
+
+ // restore old selection
+ if (lastSel_ != -1) {
+ QModelIndex i = filterModel_->mapFromSource(model_->index(lastSel_, 0));
+ if (i.isValid())
+ p->setCurrentIndex(i.row());
+ }
+
+ // Workaround to resize to content size
+ // FIXME: There must be a better way. The QComboBox::AdjustToContents)
+ // does not help.
+ if (p->view()->isVisible()) {
+ // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
+ // the hack in the item delegate to make space for the headers.
+ // We do not call our implementation of showPopup because that
+ // would reset the filter again. This is only needed if the user clicks
+ // on the QComboBox.
+ LASSERT(!inShowPopup_, /**/);
+ inShowPopup_ = true;
+ p->showPopup();
+ inShowPopup_ = false;
+
+ // The item delegate hack is off again. So trigger a relayout of the popup.
+ filterModel_->triggerLayoutChange();
+
+ if (!s.isEmpty())
+ owner_.message(bformat(_("Filtering layouts with \"%1$s\". "
+ "Press ESC to remove filter."),
+ qstring_to_ucs4(s)));
+ else
+ owner_.message(_("Enter characters to filter the layout list."));
+ }
+
+ p->view()->setUpdatesEnabled(enabled);
+}
+
+
+LayoutBox::LayoutBox(QToolBar * bar, GuiView & owner)
+ : d(new Private(this, owner))
+{
+ setSizeAdjustPolicy(QComboBox::AdjustToContents);
+ setFocusPolicy(Qt::ClickFocus);
+ setMinimumWidth(sizeHint().width());
+ setMaxVisibleItems(100);
+
+ setModel(d->filterModel_);
+
+ // for the filtering we have to intercept characters
+ view()->installEventFilter(this);
+ view()->setItemDelegateForColumn(0, d->layoutItemDelegate_);
+
+ QObject::connect(this, SIGNAL(activated(int)),
+ this, SLOT(selected(int)));
+ QObject::connect(bar, SIGNAL(iconSizeChanged(QSize)),
+ this, SLOT(setIconSize(QSize)));
+
+ d->owner_.setLayoutDialog(this);
+ updateContents(true);
+}
+
+
+void LayoutBox::Private::countCategories()
+{
+ int n = filterModel_->rowCount();
+ visibleCategories_ = 0;
+ if (n == 0 || !lyxrc.group_layouts)
+ return;
+
+ // skip the "Standard" category
+ QString prevCat = model_->index(0, 2).data().toString();
+
+ // count categories
+ for (int i = 0; i < n; ++i) {
+ QString cat = filterModel_->index(i, 2).data().toString();
+ if (cat != prevCat)
+ ++visibleCategories_;
+ prevCat = cat;
+ }
+}
+
+
+void LayoutBox::showPopup()
+{
+ d->owner_.message(_("Enter characters to filter the layout list."));
+
+ bool enabled = view()->updatesEnabled();
+ view()->setUpdatesEnabled(false);
+
+ d->resetFilter();
+
+ // call QComboBox::showPopup. But set the inShowPopup_ flag to switch on
+ // the hack in the item delegate to make space for the headers.
+ LASSERT(!d->inShowPopup_, /**/);
+ d->inShowPopup_ = true;
+ QComboBox::showPopup();
+ d->inShowPopup_ = false;
+
+ // The item delegate hack is off again. So trigger a relayout of the popup.
+ d->filterModel_->triggerLayoutChange();
+
+ view()->setUpdatesEnabled(enabled);
+}
+
+
+bool LayoutBox::eventFilter(QObject * o, QEvent * e)
+{
+ if (e->type() != QEvent::KeyPress)
+ return QComboBox::eventFilter(o, e);
+
+ QKeyEvent * ke = static_cast<QKeyEvent*>(e);
+ bool modified = (ke->modifiers() == Qt::ControlModifier)
+ || (ke->modifiers() == Qt::AltModifier)
+ || (ke->modifiers() == Qt::MetaModifier);
+
+ switch (ke->key()) {
+ case Qt::Key_Escape:
+ if (!modified && !d->filter_.isEmpty()) {
+ d->resetFilter();
+ return true;
+ }
+ break;
+ case Qt::Key_Backspace:
+ if (!modified) {
+ // cut off one character
+ d->setFilter(d->filter_.left(d->filter_.length() - 1));
+ }
+ break;
+ default:
+ if (modified || ke->text().isEmpty())
+ break;
+ // find chars for the filter string
+ QString s;
+ for (int i = 0; i < ke->text().length(); ++i) {
+ QChar c = ke->text()[i];
+ if (c.isLetterOrNumber()
+ || c.isSymbol()
+ || c.isPunct()
+ || c.category() == QChar::Separator_Space) {
+ s += c;
+ }
+ }
+ if (!s.isEmpty()) {
+ // append new chars to the filter string
+ d->setFilter(d->filter_ + s);
+ return true;
+ }
+ break;
+ }
+
+ return QComboBox::eventFilter(o, e);
+}
+
+
+void LayoutBox::setIconSize(QSize size)
+{
+#ifdef Q_WS_MACX
+ bool small = size.height() < 20;
+ setAttribute(Qt::WA_MacSmallSize, small);
+ setAttribute(Qt::WA_MacNormalSize, !small);
+#else
+ (void)size; // suppress warning
+#endif
+}
+
+
+void LayoutBox::set(docstring const & layout)
+{
+ d->resetFilter();
+
+ if (!d->text_class_)
+ return;
+
+ Layout const & lay = (*d->text_class_)[layout];
+ QString newLayout = toqstr(lay.name());
+
+ // If the layout is obsolete, use the new one instead.
+ docstring const & obs = lay.obsoleted_by();
+ if (!obs.empty())
+ newLayout = toqstr(obs);
+
+ int const curItem = currentIndex();
+ QModelIndex const mindex =
+ d->filterModel_->mapToSource(d->filterModel_->index(curItem, 1));
+ QString const & currentLayout = d->model_->itemFromIndex(mindex)->text();
+ if (newLayout == currentLayout) {
+ LYXERR(Debug::GUI, "Already had " << newLayout << " selected.");
+ return;
+ }
+
+ QList<QStandardItem *> r = d->model_->findItems(newLayout, Qt::MatchExactly, 1);
+ if (r.empty()) {
+ LYXERR0("Trying to select non existent layout type " << newLayout);
+ return;
+ }
+
+ setCurrentIndex(d->filterModel_->mapFromSource(r.first()->index()).row());
+}
+
+
+void LayoutBox::addItemSort(docstring const & item, docstring const & category,
+ bool sorted, bool sortedByCat, bool unknown)
+{
+ QString qitem = toqstr(item);
+ // FIXME This is wrong for RTL, I'd suppose.
+ QString titem = toqstr(translateIfPossible(item) +
+ (unknown ? _(" (unknown)") : from_ascii("")));
+ QString qcat = toqstr(translateIfPossible(category));
+
+ QList<QStandardItem *> row;
+ row.append(new QStandardItem(titem));
+ row.append(new QStandardItem(qitem));
+ row.append(new QStandardItem(qcat));
+
+ // the first entry is easy
+ int const end = d->model_->rowCount();
+ if (end == 0) {
+ d->model_->appendRow(row);
+ return;
+ }
+
+ // find category
+ int i = 0;
+ if (sortedByCat) {
+ while (i < end && d->model_->item(i, 2)->text() != qcat)
+ ++i;
+ }
+
+ // skip the Standard layout
+ if (i == 0)
+ ++i;
+
+ // the simple unsorted case
+ if (!sorted) {
+ if (sortedByCat) {
+ // jump to the end of the category group
+ while (i < end && d->model_->item(i, 2)->text() == qcat)
+ ++i;
+ d->model_->insertRow(i, row);
+ } else
+ d->model_->appendRow(row);
+ return;
+ }
+
+ // find row to insert the item, after the separator if it exists
+ if (i < end) {
+ // find alphabetic position
+ while (i != end
+ && d->model_->item(i, 0)->text().localeAwareCompare(titem) < 0
+ && (!sortedByCat || d->model_->item(i, 2)->text() == qcat))
+ ++i;
+ }
+
+ d->model_->insertRow(i, row);
+}
+
+
+void LayoutBox::updateContents(bool reset)
+{
+ d->resetFilter();
+
+ Buffer const * buffer = d->owner_.buffer();
+ if (!buffer) {
+ d->model_->clear();
+ setEnabled(false);
+ d->text_class_ = 0;
+ d->inset_ = 0;
+ return;
+ }
+
+ // we'll only update the layout list if the text class has changed
+ // or we've moved from one inset to another
+ DocumentClass const * text_class = &buffer->params().documentClass();
+ Inset const * inset =
+ &(d->owner_.view()->cursor().innerText()->inset());
+ if (!reset && d->text_class_ == text_class && d->inset_ == inset) {
+ set(d->owner_.view()->cursor().innerParagraph().layout().name());
+ return;
+ }
+
+ d->inset_ = inset;
+ d->text_class_ = text_class;
+
+ d->model_->clear();
+ DocumentClass::const_iterator lit = d->text_class_->begin();
+ DocumentClass::const_iterator len = d->text_class_->end();
+
+ for (; lit != len; ++lit) {
+ docstring const & name = lit->name();
+ bool const useEmpty = d->inset_->forcePlainLayout() || d->inset_->usePlainLayout();
+ // if this inset requires the empty layout, we skip the default
+ // layout
+ if (name == d->text_class_->defaultLayoutName() && d->inset_ && useEmpty)
+ continue;
+ // if it doesn't require the empty layout, we skip it
+ if (name == d->text_class_->plainLayoutName() && d->inset_ && !useEmpty)
+ continue;
+ // obsoleted layouts are skipped as well
+ if (!lit->obsoleted_by().empty())
+ continue;
+ addItemSort(name, lit->category(), lyxrc.sort_layouts,
+ lyxrc.group_layouts, lit->isUnknown());
+ }
+
+ set(d->owner_.view()->cursor().innerParagraph().layout().name());
+ d->countCategories();
+
+ // needed to recalculate size hint
+ hide();
+ setMinimumWidth(sizeHint().width());
+ setEnabled(!buffer->isReadonly() &&
+ lyx::getStatus(FuncRequest(LFUN_LAYOUT)).enabled());
+ show();
+}
+
+
+void LayoutBox::selected(int index)
+{
+ // get selection
+ QModelIndex mindex = d->filterModel_->mapToSource(
+ d->filterModel_->index(index, 1));
+ docstring layoutName = qstring_to_ucs4(
+ d->model_->itemFromIndex(mindex)->text());
+ d->owner_.setFocus();
+
+ if (!d->text_class_) {
+ updateContents(false);
+ d->resetFilter();
+ return;
+ }
+
+ // find corresponding text class
+ if (d->text_class_->hasLayout(layoutName)) {
+ FuncRequest const func(LFUN_LAYOUT, layoutName, FuncRequest::TOOLBAR);
+ theLyXFunc().setLyXView(&d->owner_);
+ lyx::dispatch(func);
+ updateContents(false);
+ d->resetFilter();
+ return;
+ }
+ LYXERR0("ERROR (layoutSelected): layout " << layoutName << " not found!");
+}
+
+
+QString const & LayoutBox::filter() const
+{
+ return d->filter_;
+}
+
+} // namespace frontend
+} // namespace lyx
+
+#include "moc_LayoutBox.cpp"
--- /dev/null
+// -*- C++ -*-
+/**
+ * \file LayoutBox.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author John Levon
+ * \author Jean-Marc Lasgouttes
+ * \author Angus Leeming
+ * \author Abdelrazak Younes
+ *
+ * Full author contact details are available in file CREDITS.
+ */
+
+#ifndef LYX_LAYOUT_BOX_H
+#define LYX_LAYOUT_BOX_H
+
+#include "support/strfwd.h"
+
+#include <QComboBox>
+
+class QToolBar;
+
+namespace lyx {
+
+class DocumentClass;
+class Inset;
+
+namespace frontend {
+
+class GuiView;
+class LayoutItemDelegate;
+
+class LayoutBox : public QComboBox
+{
+ Q_OBJECT
+public:
+ LayoutBox(QToolBar *, GuiView &);
+
+ /// select the right layout in the combobox.
+ void set(docstring const & layout);
+ /// Populate the layout combobox.
+ void updateContents(bool reset);
+ /// Add Item to Layout box according to sorting settings from preferences
+ void addItemSort(docstring const & item, docstring const & category,
+ bool sorted, bool sortedByCat, bool unknown);
+
+ ///
+ void showPopup();
+
+ ///
+ bool eventFilter(QObject * o, QEvent * e);
+ ///
+ QString const & filter() const;
+
+private Q_SLOTS:
+ ///
+ void selected(int index);
+ ///
+ void setIconSize(QSize size);
+
+private:
+ friend class LayoutItemDelegate;
+ struct Private;
+ Private * const d;
+};
+
+} // namespace frontend
+} // namespace lyx
+
+#endif // LYX_LAYOUT_BOX_H
LengthCombo.cpp \
LyXFileDialog.cpp \
LaTeXHighlighter.cpp \
+ LayoutBox.cpp \
Menus.cpp \
PanelStack.cpp \
qt_helpers.cpp \
GuiWrap.h \
IconPalette.h \
InsertTableWidget.h \
+ LayoutBox.h \
LengthCombo.h \
LyXFileDialog.h \
Menus.h \
projects / features.git / commitdiff