*/
#include <config.h>
+
#include "GuiSelectionManager.h"
+#include "support/debug.h"
+
+#include <QAbstractListModel>
+#include <QItemSelection>
+#include <QListView>
+#include <QKeyEvent>
+#include <QPushButton>
+
+#ifdef KeyPress
+#undef KeyPress
+#endif
+
+#ifdef ControlModifier
+#undef ControlModifier
+#endif
+
+#ifdef FocusIn
+#undef FocusIn
+#endif
+
namespace lyx {
namespace frontend {
GuiSelectionManager::GuiSelectionManager(
- QListView * avail,
+ QAbstractItemView * avail,
QListView * sel,
QPushButton * add,
QPushButton * del,
QPushButton * up,
QPushButton * down,
- QStringListModel * amod,
- QStringListModel * smod)
+ QAbstractListModel * amod,
+ QAbstractListModel * smod)
+ : availableLV(avail), selectedLV(sel), addPB(add), deletePB(del),
+ upPB(up), downPB(down), availableModel(amod), selectedModel(smod),
+ selectedHasFocus_(false)
{
-availableLV = avail;
-selectedLV = sel;
-addPB = add;
-deletePB = del;
-upPB = up;
-downPB = down;
-availableModel = amod;
-selectedModel = smod;
-
-selectedLV->setModel(smod);
-availableLV->setModel(amod);
-
-connect(availableLV->selectionModel(),
- SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
- this, SLOT(availableChanged(const QModelIndex &, const QModelIndex &)));
-connect(selectedLV->selectionModel(),
- SIGNAL(currentChanged(const QModelIndex &, const QModelIndex &)),
- this, SLOT(selectedChanged(const QModelIndex &, const QModelIndex &)));
-connect(addPB, SIGNAL(clicked()),
- this, SLOT(addPB_clicked()));
-connect(deletePB, SIGNAL(clicked()),
- this, SLOT(deletePB_clicked()));
-connect(upPB, SIGNAL(clicked()),
- this, SLOT(upPB_clicked()));
-connect(downPB, SIGNAL(clicked()),
- this, SLOT(downPB_clicked()));
-connect(availableLV, SIGNAL(clicked(const QModelIndex &)),
- this, SLOT(availableLV_clicked(const QModelIndex &)));
-connect(availableLV, SIGNAL(doubleClicked(const QModelIndex &)),
- this, SLOT(availableLV_doubleClicked(const QModelIndex &)));
-connect(selectedLV, SIGNAL(clicked(const QModelIndex &)),
- this, SLOT(selectedLV_clicked(const QModelIndex &)));
-
-availableLV->installEventFilter(this);
-selectedLV->installEventFilter(this);
+
+ selectedLV->setModel(smod);
+ availableLV->setModel(amod);
+
+ connect(availableLV->selectionModel(),
+ SIGNAL(currentChanged(QModelIndex, QModelIndex)),
+ this, SLOT(availableChanged(QModelIndex, QModelIndex)));
+ connect(selectedLV->selectionModel(),
+ SIGNAL(currentChanged(QModelIndex, QModelIndex)),
+ this, SLOT(selectedChanged(QModelIndex, QModelIndex)));
+ connect(availableLV->selectionModel(),
+ SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+ this, SLOT(availableChanged(QItemSelection, QItemSelection)));
+ connect(selectedLV->selectionModel(),
+ SIGNAL(selectionChanged(QItemSelection, QItemSelection)),
+ this, SLOT(selectedChanged(QItemSelection, QItemSelection)));
+ connect(addPB, SIGNAL(clicked()),
+ this, SLOT(addPB_clicked()));
+ connect(deletePB, SIGNAL(clicked()),
+ this, SLOT(deletePB_clicked()));
+ connect(upPB, SIGNAL(clicked()),
+ this, SLOT(upPB_clicked()));
+ connect(downPB, SIGNAL(clicked()),
+ this, SLOT(downPB_clicked()));
+ connect(availableLV, SIGNAL(doubleClicked(QModelIndex)),
+ this, SLOT(availableLV_doubleClicked(QModelIndex)));
+
+ availableLV->installEventFilter(this);
+ selectedLV->installEventFilter(this);
}
void GuiSelectionManager::update()
{
-int const arows = availableLV->model()->rowCount();
-QModelIndexList const availSels =
+ updateAddPB();
+ updateDelPB();
+ updateDownPB();
+ updateUpPB();
+}
+
+
+QModelIndex GuiSelectionManager::getSelectedIndex() const
+{
+ QModelIndexList avail = availableLV->selectionModel()->selectedIndexes();
+ QModelIndexList sel = selectedLV->selectionModel()->selectedIndexes();
+ bool const have_avl = !avail.isEmpty();
+ bool const have_sel = !sel.isEmpty();
+
+ if (selectedFocused()) {
+ if (have_sel)
+ return sel.front();
+ if (have_avl)
+ return avail.front();
+ }
+ else { // available has focus
+ if (have_avl)
+ return avail.front();
+ if (have_sel)
+ return sel.front();
+ }
+ return QModelIndex();
+}
+
+
+void GuiSelectionManager::updateAddPB()
+{
+ int const arows = availableModel->rowCount();
+ QModelIndexList const availSels =
availableLV->selectionModel()->selectedIndexes();
-addPB->setEnabled(arows > 0 &&
+ addPB->setEnabled(arows > 0 &&
!availSels.isEmpty() &&
!isSelected(availSels.first()));
+}
-int const srows = selectedLV->model()->rowCount();
-QModelIndexList const selSels =
+
+void GuiSelectionManager::updateDelPB()
+{
+ int const srows = selectedModel->rowCount();
+ if (srows == 0) {
+ deletePB->setEnabled(false);
+ return;
+ }
+ QModelIndexList const selSels =
selectedLV->selectionModel()->selectedIndexes();
-int const sel_nr = selSels.empty() ? -1 : selSels.first().row();
-deletePB->setEnabled(sel_nr >= 0);
-upPB->setEnabled(sel_nr > 0);
-downPB->setEnabled(sel_nr >= 0 && sel_nr < srows - 1);
+ int const sel_nr = selSels.empty() ? -1 : selSels.first().row();
+ deletePB->setEnabled(sel_nr >= 0);
+}
+
+
+void GuiSelectionManager::updateUpPB()
+{
+ int const srows = selectedModel->rowCount();
+ if (srows == 0) {
+ upPB->setEnabled(false);
+ return;
+ }
+ QModelIndexList const selSels =
+ selectedLV->selectionModel()->selectedIndexes();
+ int const sel_nr = selSels.empty() ? -1 : selSels.first().row();
+ upPB->setEnabled(sel_nr > 0);
+}
+
+
+void GuiSelectionManager::updateDownPB()
+{
+ int const srows = selectedModel->rowCount();
+ if (srows == 0) {
+ downPB->setEnabled(false);
+ return;
+ }
+ QModelIndexList const selSels =
+ selectedLV->selectionModel()->selectedIndexes();
+ int const sel_nr = selSels.empty() ? -1 : selSels.first().row();
+ downPB->setEnabled(sel_nr >= 0 && sel_nr < srows - 1);
}
bool GuiSelectionManager::isSelected(const QModelIndex & idx)
{
-QString const str = idx.data().toString();
-return selectedModel->stringList().contains(str);
+ if (selectedModel->rowCount() == 0)
+ return false;
+ QVariant const & str = availableModel->data(idx, Qt::DisplayRole);
+ QModelIndexList qmil =
+ selectedModel->match(selectedModel->index(0),
+ Qt::DisplayRole, str, 1,
+ Qt::MatchFlags(Qt::MatchExactly | Qt::MatchWrap));
+ return !qmil.empty();
+}
+
+
+void GuiSelectionManager::availableChanged(QItemSelection const & qis, QItemSelection const &)
+{
+ QModelIndexList il = qis.indexes();
+ if (il.empty())
+ return;
+ availableChanged(il.front(), QModelIndex());
}
void GuiSelectionManager::availableChanged(const QModelIndex & idx, const QModelIndex &)
{
-if (!idx.isValid())
- return;
+ if (!idx.isValid())
+ return;
+
+ selectedHasFocus_ = false;
+ updateHook();
+}
-selectedHasFocus_ = false;
-updateHook();
+
+void GuiSelectionManager::selectedChanged(QItemSelection const & qis, QItemSelection const &)
+{
+ QModelIndexList il = qis.indexes();
+ if (il.empty())
+ return;
+ selectedChanged(il.front(), QModelIndex());
}
void GuiSelectionManager::selectedChanged(const QModelIndex & idx, const QModelIndex &)
{
-if (!idx.isValid())
- return;
-
-selectedHasFocus_ = true;
-updateHook();
+ if (!idx.isValid())
+ return;
+
+ selectedHasFocus_ = true;
+ updateHook();
}
-static QModelIndex getSelectedIndex(QListView * lv)
+bool GuiSelectionManager::insertRowToSelected(int i,
+ QMap<int, QVariant> const & itemData)
{
-QModelIndex retval = QModelIndex();
-QModelIndexList selIdx =
- lv->selectionModel()->selectedIndexes();
-if (!selIdx.empty())
- retval = selIdx.first();
-return retval;
+ if (i <= -1)
+ i = 0;
+ if (i > selectedModel->rowCount())
+ i = selectedModel->rowCount();
+ if (!selectedModel->insertRow(i))
+ return false;
+ return selectedModel->setItemData(selectedModel->index(i), itemData);
}
void GuiSelectionManager::addPB_clicked()
{
-QModelIndex const idxToAdd = getSelectedIndex(availableLV);
-if (!idxToAdd.isValid())
- return;
-QModelIndex idx = selectedLV->currentIndex();
-
-QStringList keys = selectedModel->stringList();
-keys.append(idxToAdd.data().toString());
-selectedModel->setStringList(keys);
-selectionChanged(); //signal
-
-if (idx.isValid())
- selectedLV->setCurrentIndex(idx);
-updateHook();
+ QModelIndexList selIdx =
+ availableLV->selectionModel()->selectedIndexes();
+ if (selIdx.isEmpty())
+ return;
+
+ QModelIndex const idxToAdd = selIdx.first();
+ QModelIndex const idx = selectedLV->currentIndex();
+ int const srows = selectedModel->rowCount();
+
+ QMap<int, QVariant> qm = availableModel->itemData(idxToAdd);
+ insertRowToSelected(srows, qm);
+
+ selectionChanged(); //signal
+
+ if (idx.isValid())
+ selectedLV->setCurrentIndex(idx);
+
+ updateHook();
}
void GuiSelectionManager::deletePB_clicked()
{
-QModelIndex idx = getSelectedIndex(selectedLV);
-if (!idx.isValid())
- return;
-
-QStringList keys = selectedModel->stringList();
-keys.removeAt(idx.row());
-selectedModel->setStringList(keys);
-selectionChanged(); //signal
-
-int nrows = selectedLV->model()->rowCount();
-if (idx.row() == nrows) //was last item on list
- idx = idx.sibling(idx.row() - 1, idx.column());
-
-if (nrows > 1)
- selectedLV->setCurrentIndex(idx);
-else if (nrows == 1)
- selectedLV->setCurrentIndex(selectedLV->model()->index(0,0));
-selectedHasFocus_ = (nrows > 0);
-updateHook();
+ QModelIndexList selIdx =
+ selectedLV->selectionModel()->selectedIndexes();
+ if (selIdx.isEmpty())
+ return;
+ QModelIndex idx = selIdx.first();
+ selectedModel->removeRow(idx.row());
+ selectionChanged(); //signal
+
+ int nrows = selectedLV->model()->rowCount();
+ if (idx.row() == nrows) //was last item on list
+ idx = idx.sibling(idx.row() - 1, idx.column());
+
+ if (nrows > 1)
+ selectedLV->setCurrentIndex(idx);
+ else if (nrows == 1)
+ selectedLV->setCurrentIndex(selectedLV->model()->index(0, 0));
+ selectedHasFocus_ = (nrows > 0);
+ updateHook();
}
void GuiSelectionManager::upPB_clicked()
{
-QModelIndex idx = selectedLV->currentIndex();
+ QModelIndexList selIdx =
+ selectedLV->selectionModel()->selectedIndexes();
+ if (selIdx.isEmpty())
+ return;
+ QModelIndex idx = selIdx.first();
+
+ int const pos = idx.row();
+ if (pos <= 0)
+ return;
+
+ QMap<int, QVariant> qm = selectedModel->itemData(idx);
+
+ selectedModel->removeRow(pos);
+ insertRowToSelected(pos - 1, qm);
-int const pos = idx.row();
-QStringList keys = selectedModel->stringList();
-keys.swap(pos, pos - 1);
-selectedModel->setStringList(keys);
-selectionChanged(); //signal
+ selectionChanged(); //signal
-selectedLV->setCurrentIndex(idx.sibling(idx.row() - 1, idx.column()));
-selectedHasFocus_ = true;
-updateHook();
+ selectedLV->setCurrentIndex(idx.sibling(idx.row() - 1, idx.column()));
+ selectedHasFocus_ = true;
+ updateHook();
}
void GuiSelectionManager::downPB_clicked()
{
-QModelIndex idx = selectedLV->currentIndex();
+ QModelIndexList selIdx =
+ selectedLV->selectionModel()->selectedIndexes();
+ if (selIdx.isEmpty())
+ return;
+ QModelIndex idx = selIdx.first();
-int const pos = idx.row();
-QStringList keys = selectedModel->stringList();
-keys.swap(pos, pos + 1);
-selectedModel->setStringList(keys);
-selectionChanged(); //signal
+ int const pos = idx.row();
+ if (pos >= selectedModel->rowCount() - 1)
+ return;
-selectedLV->setCurrentIndex(idx.sibling(idx.row() + 1, idx.column()));
-selectedHasFocus_ = true;
-updateHook();
-}
+ QMap<int, QVariant> qm = selectedModel->itemData(idx);
+ selectedModel->removeRow(pos);
+ insertRowToSelected(pos + 1, qm);
-//FIXME These slots do not really do what they need to do, since focus
-//can enter the QListView in other ways. But there are no signals sent
-//in that case. We need to reimplement focusInEvent() to capture those,
-//which means subclassing QListView. (rgh)
-void GuiSelectionManager::availableLV_clicked(const QModelIndex &)
-{
-selectedHasFocus_ = false;
-updateHook();
+ selectionChanged(); //signal
+
+ selectedLV->setCurrentIndex(idx.sibling(idx.row() + 1, idx.column()));
+ selectedHasFocus_ = true;
+ updateHook();
}
void GuiSelectionManager::availableLV_doubleClicked(const QModelIndex & idx)
{
-if (isSelected(idx))
- return;
-
-if (idx.isValid())
- selectedHasFocus_ = false;
-addPB_clicked();
-//updateHook() will be emitted there
-}
-
-
-void GuiSelectionManager::selectedLV_clicked(const QModelIndex &)
-{
-selectedHasFocus_ = true;
-updateHook();
+ if (isSelected(idx) || !addPB->isEnabled())
+ return;
+
+ if (idx.isValid())
+ selectedHasFocus_ = false;
+ addPB_clicked();
+ //updateHook() will be emitted there
}
bool GuiSelectionManager::eventFilter(QObject * obj, QEvent * event)
{
-if (obj == availableLV) {
- if (event->type() != QEvent::KeyPress)
- return QObject::eventFilter(obj, event);
- QKeyEvent * keyEvent = static_cast<QKeyEvent *>(event);
- int const keyPressed = keyEvent->key();
- Qt::KeyboardModifiers const keyModifiers = keyEvent->modifiers();
- //Enter key without modifier will add current item.
- //Ctrl-Enter will add it and close the dialog.
- //This is designed to work both with the main enter key
- //and the one on the numeric keypad.
- if ((keyPressed == Qt::Key_Enter || keyPressed == Qt::Key_Return) &&
- //We want one or both of Control and Keypad, and nothing else
- //(KeypadModifier is what you get if you use the Enter key on the
- //numeric keypad.)
- (!keyModifiers ||
- (keyModifiers == Qt::ControlModifier) ||
- (keyModifiers == Qt::KeypadModifier) ||
- (keyModifiers == (Qt::ControlModifier | Qt::KeypadModifier))
- )
- ) {
- if (addPB->isEnabled()) {
- addPB_clicked();
- okHook(); //signal
+ QEvent::Type etype = event->type();
+ if (obj == availableLV) {
+ if (etype == QEvent::KeyPress) {
+ QKeyEvent * keyEvent = static_cast<QKeyEvent *>(event);
+ int const keyPressed = keyEvent->key();
+ Qt::KeyboardModifiers const keyModifiers = keyEvent->modifiers();
+ // Enter key without modifier will add current item.
+ // Ctrl-Enter will add it and close the dialog.
+ // This is designed to work both with the main enter key
+ // and the one on the numeric keypad.
+ if (keyPressed == Qt::Key_Enter || keyPressed == Qt::Key_Return) {
+ if (addPB->isEnabled()) {
+ if (!keyModifiers) {
+ addPB_clicked();
+ } else if (keyModifiers == Qt::ControlModifier ||
+ keyModifiers == Qt::KeypadModifier ||
+ keyModifiers == (Qt::ControlModifier | Qt::KeypadModifier)) {
+ addPB_clicked();
+ okHook(); //signal
+ }
+ }
+ event->accept();
+ return true;
+ }
+ } else if (etype == QEvent::FocusIn) {
+ if (selectedHasFocus_) {
+ selectedHasFocus_ = false;
+ updateHook();
}
event->accept();
return true;
- }
+ }
} else if (obj == selectedLV) {
- //Delete or backspace key will delete current item
- //...with control modifier will clear the list
- if (event->type() != QEvent::KeyPress)
- return QObject::eventFilter(obj, event);
- QKeyEvent * keyEvent = static_cast<QKeyEvent *>(event);
- int const keyPressed = keyEvent->key();
- Qt::KeyboardModifiers const keyModifiers = keyEvent->modifiers();
- if (keyPressed == Qt::Key_Delete || keyPressed == Qt::Key_Backspace) {
- if (keyModifiers == Qt::NoModifier && deletePB->isEnabled())
- deletePB_clicked();
- else if (keyModifiers == Qt::ControlModifier) {
- QStringList list = selectedModel->stringList();
- list.clear();
- selectedModel->setStringList(list);
+ if (etype == QEvent::KeyPress) {
+ QKeyEvent * keyEvent = static_cast<QKeyEvent *>(event);
+ int const keyPressed = keyEvent->key();
+ Qt::KeyboardModifiers const keyModifiers = keyEvent->modifiers();
+ // Delete or backspace key will delete current item
+ // ...with control modifier will clear the list
+ if (keyPressed == Qt::Key_Delete || keyPressed == Qt::Key_Backspace) {
+ if (keyModifiers == Qt::NoModifier && deletePB->isEnabled()) {
+ deletePB_clicked();
+ updateHook();
+ } else if (keyModifiers == Qt::ControlModifier) {
+ selectedModel->removeRows(0, selectedModel->rowCount());
+ updateHook();
+ } else
+ return QObject::eventFilter(obj, event);
+ }
+ // Ctrl-Up activates upPB
+ else if (keyPressed == Qt::Key_Up) {
+ if (keyModifiers == Qt::ControlModifier) {
+ if (upPB->isEnabled())
+ upPB_clicked();
+ event->accept();
+ return true;
+ }
+ }
+ // Ctrl-Down activates downPB
+ else if (keyPressed == Qt::Key_Down) {
+ if (keyModifiers == Qt::ControlModifier) {
+ if (downPB->isEnabled())
+ downPB_clicked();
+ event->accept();
+ return true;
+ }
+ }
+ } else if (etype == QEvent::FocusIn) {
+ if (!selectedHasFocus_) {
+ selectedHasFocus_ = true;
updateHook();
- } else
- //ignore it otherwise
- return QObject::eventFilter(obj, event);
- event->accept();
- return true;
+ }
+ event->accept();
+ return true;
}
}
return QObject::eventFilter(obj, event);
} // namespace frontend
} // namespace lyx
-#include "GuiSelectionManager_moc.cpp"
+#include "moc_GuiSelectionManager.cpp"