3 * This file is part of LyX, the document processor.
4 * Licence details can be found in the file COPYING.
7 * \author Abdelrazak Younes
9 * Full author contact details are available in file CREDITS.
14 #include "TocWidget.h"
16 #include "GuiApplication.h"
18 #include "qt_helpers.h"
22 #include "BufferView.h"
23 #include "CutAndPaste.h"
24 #include "FuncRequest.h"
25 #include "FuncStatus.h"
28 #include "TocBackend.h"
30 #include "insets/InsetCommand.h"
31 #include "insets/InsetRef.h"
33 #include "support/debug.h"
34 #include "support/lassert.h"
36 #include <QHeaderView>
42 #define DELAY_UPDATE_VIEW
49 TocWidget::TocWidget(GuiView & gui_view, QWidget * parent)
50 : QWidget(parent), depth_(0), persistent_(false), gui_view_(gui_view), update_delay_(0)
55 moveOutTB->setIcon(QIcon(getPixmap("images/", "outline-out", "svgz,png")));
56 moveInTB->setIcon(QIcon(getPixmap("images/", "outline-in", "svgz,png")));
57 moveUpTB->setIcon(QIcon(getPixmap("images/", "outline-up", "svgz,png")));
58 moveDownTB->setIcon(QIcon(getPixmap("images/", "outline-down", "svgz,png")));
59 updateTB->setIcon(QIcon(getPixmap("images/", "reload", "svgz,png")));
62 tocTV->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
66 // hide the pointless QHeader for now
67 // in the future, new columns may appear
68 // like labels, bookmarks, etc...
69 // tocTV->header()->hide();
70 tocTV->header()->setVisible(false);
72 // Only one item selected at a time.
73 tocTV->setSelectionMode(QAbstractItemView::SingleSelection);
76 // The toc types combo won't change its model.
77 typeCO->setModel(gui_view_.tocModels().nameModel());
79 // Make sure the buttons are disabled when first shown without a loaded
81 enableControls(false);
83 // make us responsible for the context menu of the tabbar
84 setContextMenuPolicy(Qt::CustomContextMenu);
85 connect(this, SIGNAL(customContextMenuRequested(const QPoint &)),
86 this, SLOT(showContextMenu(const QPoint &)));
87 connect(tocTV, SIGNAL(customContextMenuRequested(const QPoint &)),
88 this, SLOT(showContextMenu(const QPoint &)));
89 connect(filterLE, SIGNAL(textEdited(QString)),
90 this, SLOT(filterContents()));
96 void TocWidget::showContextMenu(const QPoint & pos)
98 std::string name = "context-toc-" + fromqstr(current_type_);
99 QMenu * menu = guiApp->menus().menu(toqstr(name), gui_view_);
102 menu->exec(mapToGlobal(pos));
106 Inset * TocWidget::itemInset() const
108 QModelIndex const & index = tocTV->currentIndex();
109 TocItem const & item =
110 gui_view_.tocModels().currentItem(current_type_, index);
111 DocIterator const & dit = item.dit();
114 if (current_type_ == "label"
115 || current_type_ == "graphics"
116 || current_type_ == "citation"
117 || current_type_ == "child")
118 inset = dit.nextInset();
120 else if (current_type_ == "branch"
121 || current_type_ == "index"
122 || current_type_ == "change")
123 inset = &dit.inset();
125 else if (current_type_ == "table"
126 || current_type_ == "listing"
127 || current_type_ == "figure") {
128 DocIterator tmp_dit(dit);
130 inset = &tmp_dit.inset();
136 bool TocWidget::getStatus(Cursor & cur, FuncRequest const & cmd,
137 FuncStatus & status) const
139 Inset * inset = itemInset();
140 FuncRequest tmpcmd(cmd);
142 QModelIndex const & index = tocTV->currentIndex();
143 TocItem const & item =
144 gui_view_.tocModels().currentItem(current_type_, index);
146 switch (cmd.action())
148 case LFUN_CHANGE_ACCEPT:
149 case LFUN_CHANGE_REJECT:
150 case LFUN_OUTLINE_UP:
151 case LFUN_OUTLINE_DOWN:
152 case LFUN_OUTLINE_IN:
153 case LFUN_OUTLINE_OUT:
154 case LFUN_SECTION_SELECT:
155 status.setEnabled(item.dit() != 0);
158 case LFUN_LABEL_COPY_AS_REFERENCE: {
159 // For labels in math, we need to supply the label as a string
160 FuncRequest label_copy(LFUN_LABEL_COPY_AS_REFERENCE, item.asString());
162 return inset->getStatus(cur, label_copy, status);
168 return inset->getStatus(cur, tmpcmd, status);
175 void TocWidget::doDispatch(Cursor & cur, FuncRequest const & cmd)
177 Inset * inset = itemInset();
178 FuncRequest tmpcmd(cmd);
180 QModelIndex const & index = tocTV->currentIndex();
181 TocItem const & item =
182 gui_view_.tocModels().currentItem(current_type_, index);
184 // Start an undo group.
185 cur.beginUndoGroup();
187 switch (cmd.action())
189 case LFUN_CHANGE_ACCEPT:
190 case LFUN_CHANGE_REJECT:
191 dispatch(item.action());
192 cur.dispatch(tmpcmd);
195 case LFUN_SECTION_SELECT:
196 dispatch(item.action());
197 cur.dispatch(tmpcmd);
198 // necessary to get the selection drawn.
199 cur.buffer()->changed(true);
200 gui_view_.setFocus();
203 case LFUN_LABEL_COPY_AS_REFERENCE: {
204 // For labels in math, we need to supply the label as a string
205 FuncRequest label_copy(LFUN_LABEL_COPY_AS_REFERENCE, item.asString());
207 inset->dispatch(cur, label_copy);
211 case LFUN_OUTLINE_UP:
212 case LFUN_OUTLINE_DOWN:
213 case LFUN_OUTLINE_IN:
214 case LFUN_OUTLINE_OUT:
215 outline(cmd.action());
220 inset->dispatch(cur, tmpcmd);
226 void TocWidget::on_tocTV_activated(QModelIndex const & index)
232 void TocWidget::on_tocTV_pressed(QModelIndex const & index)
234 Qt::MouseButtons const button = QApplication::mouseButtons();
235 if (button & Qt::LeftButton) {
237 gui_view_.setFocus();
242 void TocWidget::goTo(QModelIndex const & index)
244 LYXERR(Debug::GUI, "goto " << index.row()
245 << ", " << index.column());
247 gui_view_.tocModels().goTo(current_type_, index);
251 void TocWidget::on_updateTB_clicked()
253 // The backend update can take some time so we disable
254 // the controls while waiting.
255 enableControls(false);
256 gui_view_.currentBufferView()->buffer().updateBuffer();
260 void TocWidget::on_sortCB_stateChanged(int state)
262 gui_view_.tocModels().sort(current_type_, state == Qt::Checked);
267 void TocWidget::on_persistentCB_stateChanged(int state)
269 persistent_ = state == Qt::Checked;
274 /* FIXME (Ugras 17/11/06):
275 I have implemented a indexDepth function to get the model indices. In my
276 opinion, somebody should derive a new qvariant class for tocModelItem
277 which saves the string data and depth information. That will save the
278 depth calculation. */
280 static int indexDepth(QModelIndex const & index, int depth = -1)
283 return index.parent() == QModelIndex()
284 ? depth : indexDepth(index.parent(), depth);
288 void TocWidget::on_depthSL_valueChanged(int depth)
293 gui_view_.setFocus();
297 void TocWidget::setTreeDepth(int depth)
304 tocTV->collapseAll();
306 tocTV->expandToDepth(depth - 1);
310 void TocWidget::on_typeCO_currentIndexChanged(int index)
314 current_type_ = typeCO->itemData(index).toString();
316 if (typeCO->hasFocus())
317 gui_view_.setFocus();
321 void TocWidget::outline(FuncCode func_code)
323 QModelIndexList const & list = tocTV->selectionModel()->selectedIndexes();
326 enableControls(false);
328 dispatch(FuncRequest(func_code));
329 enableControls(true);
330 gui_view_.setFocus();
334 void TocWidget::on_moveUpTB_clicked()
336 outline(LFUN_OUTLINE_UP);
340 void TocWidget::on_moveDownTB_clicked()
342 outline(LFUN_OUTLINE_DOWN);
346 void TocWidget::on_moveInTB_clicked()
348 outline(LFUN_OUTLINE_IN);
352 void TocWidget::on_moveOutTB_clicked()
354 outline(LFUN_OUTLINE_OUT);
358 void TocWidget::select(QModelIndex const & index)
360 if (!index.isValid()) {
361 LYXERR(Debug::GUI, "TocWidget::select(): QModelIndex is invalid!");
365 tocTV->scrollTo(index);
366 tocTV->clearSelection();
367 tocTV->setCurrentIndex(index);
371 void TocWidget::enableControls(bool enable)
373 updateTB->setEnabled(enable);
378 moveUpTB->setEnabled(enable);
379 moveDownTB->setEnabled(enable);
380 moveInTB->setEnabled(enable);
381 moveOutTB->setEnabled(enable);
385 void TocWidget::updateView()
387 // Enable if you dont want the delaying business, cf #7138.
388 #ifndef DELAY_UPDATE_VIEW
392 // already scheduled?
393 if (update_delay_ == -1)
395 QTimer::singleShot(update_delay_, this, SLOT(updateViewForce()));
396 // Subtler optimization for having the delay more UI invisible.
397 // We trigger update immediately for sparse editation actions,
398 // i.e. there was no editation/cursor movement in last 2 sec.
399 // At worst there will be +1 redraw after 2s in a such "calm" mode.
400 if (update_delay_ != 0)
405 void TocWidget::updateViewForce()
407 update_delay_ = 2000;
408 if (!gui_view_.documentBufferView()) {
410 depthSL->setMaximum(0);
411 depthSL->setValue(0);
416 bool const is_sortable = isSortable();
417 sortCB->setEnabled(is_sortable);
418 bool focus_ = tocTV->hasFocus();
419 tocTV->setEnabled(false);
420 tocTV->setUpdatesEnabled(false);
422 QAbstractItemModel * toc_model =
423 gui_view_.tocModels().model(current_type_);
424 if (tocTV->model() != toc_model) {
425 tocTV->setModel(toc_model);
426 tocTV->setEditTriggers(QAbstractItemView::NoEditTriggers);
428 setTreeDepth(depth_);
431 sortCB->blockSignals(true);
432 sortCB->setChecked(is_sortable
433 && gui_view_.tocModels().isSorted(current_type_));
434 sortCB->blockSignals(false);
436 bool const can_navigate_ = canNavigate();
437 persistentCB->setEnabled(can_navigate_);
439 bool controls_enabled = toc_model && toc_model->rowCount() > 0
440 && !gui_view_.documentBufferView()->buffer().isReadonly();
441 enableControls(controls_enabled);
443 depthSL->setMaximum(gui_view_.tocModels().depth(current_type_));
444 depthSL->setValue(depth_);
445 if (!persistent_ && can_navigate_)
446 setTreeDepth(depth_);
448 persistentCB->setChecked(persistent_);
449 select(gui_view_.tocModels().currentIndex(current_type_));
452 tocTV->setEnabled(true);
453 tocTV->setUpdatesEnabled(true);
459 void TocWidget::filterContents()
464 QModelIndexList indices = tocTV->model()->match(
465 tocTV->model()->index(0, 0),
466 Qt::DisplayRole, "*", -1,
467 Qt::MatchFlags(Qt::MatchWildcard|Qt::MatchRecursive));
469 int size = indices.size();
470 for (int i = 0; i < size; i++) {
471 QModelIndex index = indices[i];
473 index.data().toString().contains(
474 filterLE->text(), Qt::CaseInsensitive);
475 tocTV->setRowHidden(index.row(), index.parent(), !matches);
477 // recursively unhide parents of unhidden children
478 for (int i = size - 1; i >= 0; i--) {
479 QModelIndex index = indices[i];
480 if (!tocTV->isRowHidden(index.row(), index.parent())
481 && index.parent() != QModelIndex())
482 tocTV->setRowHidden(index.parent().row(),
483 index.parent().parent(), false);
488 static QString decodeType(QString const & str)
491 if (type.contains("tableofcontents"))
492 type = "tableofcontents";
493 else if (type.contains("lstlistoflistings"))
495 else if (type.contains("floatlist")) {
496 if (type.contains("\"figure"))
498 else if (type.contains("\"table"))
500 else if (type.contains("\"algorithm"))
507 void TocWidget::init(QString const & str)
511 new_index = typeCO->findData(current_type_);
513 new_index = typeCO->findData(decodeType(str));
515 // If everything else fails, settle on the table of contents which is
516 // guaranteed to exist.
517 if (new_index == -1) {
518 current_type_ = "tableofcontents";
519 new_index = typeCO->findData(current_type_);
521 current_type_ = typeCO->itemData(new_index).toString();
524 typeCO->blockSignals(true);
525 typeCO->setCurrentIndex(new_index);
526 typeCO->blockSignals(false);
528 // no delay when the whole outliner is reseted.
532 } // namespace frontend
535 #include "moc_TocWidget.cpp"