X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Ffrontends%2Fqt4%2FGuiSelectionManager.cpp;h=eeba9372f0ef73d4205863e7ed0399884722fed1;hb=a0ce37147cffa39b1a5c8859eb001dd2194b22a1;hp=130d3f85c484a63bdf03f3108020b73f565c8731;hpb=c9ea6e6eef090b863fb54445010f24443b15eb23;p=lyx.git

diff --git a/src/frontends/qt4/GuiSelectionManager.cpp b/src/frontends/qt4/GuiSelectionManager.cpp
index 130d3f85c4..eeba9372f0 100644
--- a/src/frontends/qt4/GuiSelectionManager.cpp
+++ b/src/frontends/qt4/GuiSelectionManager.cpp
@@ -13,271 +13,455 @@
  */
 
 #include <config.h>
+
 #include "GuiSelectionManager.h"
+#include "qt_helpers.h"
+
+#include "support/debug.h"
+
+#include <QAbstractItemModel>
+#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, 
-	QListView * sel,
-	QPushButton * add, 
-	QPushButton * del, 
-	QPushButton * up, 
-	QPushButton * down,
-	QStringListModel * amod,
-	QStringListModel * smod)
+GuiSelectionManager::GuiSelectionManager(QObject * parent,
+                                         QAbstractItemView * avail,
+                                         QAbstractItemView * sel,
+                                         QPushButton * add,
+                                         QPushButton * del,
+                                         QPushButton * up,
+                                         QPushButton * down,
+                                         QAbstractListModel * amod,
+                                         QAbstractItemModel * smod,
+                                         int const main_sel_col)
+: QObject(parent), availableLV(avail), selectedLV(sel),
+  addPB(add), deletePB(del), upPB(up), downPB(down),
+  availableModel(amod), selectedModel(smod),
+  selectedHasFocus_(false), main_sel_col_(main_sel_col)
 {
-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);
+	selectedLV->setSelectionBehavior(QAbstractItemView::SelectRows);
+	selectedLV->setSelectionMode(QAbstractItemView::SingleSelection);
+
+	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(selectedLV->itemDelegate(), SIGNAL(commitData(QWidget*)),
+		this, SLOT(selectedEdited()));
+	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::updateView()
+void GuiSelectionManager::update()
 {
-int const arows = availableLV->model()->rowCount();
-QModelIndexList const availSels = 
+	updateAddPB();
+	updateDelPB();
+	updateDownPB();
+	updateUpPB();
+}
+
+
+QModelIndex GuiSelectionManager::getSelectedIndex(int const c) const
+{
+	QModelIndexList avail = availableLV->selectionModel()->selectedIndexes();
+	QModelIndexList sel   = selectedLV->selectionModel()->selectedRows(c);
+	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, main_sel_col_),
+			                     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;
+	if (!idx.isValid())
+		return;
 
-selectedHasFocus_ = true;
-updateHook();
+	selectedHasFocus_ = true;
+	updateHook();
 }
 
 
-static QModelIndex getSelectedIndex(QListView * lv)
+void GuiSelectionManager::selectedEdited()
 {
-QModelIndex retval = QModelIndex();
-QModelIndexList selIdx = 
-		lv->selectionModel()->selectedIndexes();
-if (!selIdx.empty())
-	retval = selIdx.first();
-return retval;
+	selectionChanged();
+}
+
+
+bool GuiSelectionManager::insertRowToSelected(int i, 
+		QMap<int, QVariant> const & itemData)
+{
+	if (i <= -1)
+		i = 0;
+	if (i > selectedModel->rowCount())
+		i = selectedModel->rowCount();
+	if (!selectedModel->insertRow(i))
+		return false;
+	return selectedModel->setItemData(selectedModel->index(i, main_sel_col_), itemData);
+}
+
+
+bool GuiSelectionManager::insertRowToSelected(int i, QMap<int, QMap<int, QVariant>> & qms)
+{
+	if (i <= -1)
+		i = 0;
+	if (i > selectedModel->rowCount())
+		i = selectedModel->rowCount();
+	if (!selectedModel->insertRow(i))
+		return false;
+	bool res = true;
+	QMap<int, QMap<int, QVariant>>::const_iterator it = qms.constBegin();
+	for (; it != qms.constEnd(); ++it)
+		res &= selectedModel->setItemData(selectedModel->index(i, it.key()), it.value());
+	return res;
 }
 
 
 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, QMap<int, QVariant>> qms;
+	QList<QModelIndex>::const_iterator it = selIdx.constBegin();
+	for (; it != selIdx.constEnd(); ++it)
+		qms[it->column()] = selectedModel->itemData(*it);
 
-int const pos = idx.row();
-QStringList keys = selectedModel->stringList();
-keys.swap(pos, pos - 1);
-selectedModel->setStringList(keys);
-selectionChanged(); //signal
+	selectedModel->removeRow(pos);
+	insertRowToSelected(pos - 1, qms);
 
-selectedLV->setCurrentIndex(idx.sibling(idx.row() - 1, idx.column()));
-selectedHasFocus_ = true;
-updateHook();
+	selectionChanged(); //signal
+
+	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, QMap<int, QVariant>> qms;
+	QList<QModelIndex>::const_iterator it = selIdx.constBegin();
+	for (; it != selIdx.constEnd(); ++it)
+		qms[it->column()] = selectedModel->itemData(*it);
 
+	selectedModel->removeRow(pos);
+	insertRowToSelected(pos + 1, qms);
 
-//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 (isSelected(idx) || !addPB->isEnabled())
+		return;
 
-if (idx.isValid())
-	selectedHasFocus_ = false;
-addPB_clicked();
-//updateHook() will be emitted there
-}
-
-
-void GuiSelectionManager::selectedLV_clicked(const QModelIndex &)
-{
-selectedHasFocus_ = true;
-updateHook();
+	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 (!keyModifiers ||
+				    keyModifiers == Qt::ControlModifier ||
+				    keyModifiers == Qt::KeypadModifier  ||
+				    keyModifiers == (Qt::ControlModifier
+				                     | Qt::KeypadModifier)) {
+					if (addPB->isEnabled()) {
+						addPB_clicked();
+					}
+					if (keyModifiers)
+						okHook(); //signal
+				}
+				event->accept();
+				return true;
 			}
-			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);
+			else if (keyPressed == Qt::Key_Right) {
+				focusAndHighlight(selectedLV);
+				event->accept();
+				return true;
+			}
+		} else if (etype == QEvent::FocusIn) {
+			if (selectedHasFocus_) {
+				selectedHasFocus_ = false;
 				updateHook();
-			} else
-				//ignore it otherwise
-				return QObject::eventFilter(obj, event);
+			}
+			return false;
+		}
+	} else if (obj == selectedLV) {
+		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 (keyPressed == Qt::Key_Left) {
+				focusAndHighlight(availableLV);
 				event->accept();
 				return true;
+			}
+		} else if (etype == QEvent::FocusIn) {
+			if (!selectedHasFocus_) {
+				selectedHasFocus_ = true;
+				updateHook();
+			}
+			return false;
 		}
 	}
 	return QObject::eventFilter(obj, event);
@@ -286,4 +470,4 @@ if (obj == availableLV) {
 } // namespace frontend
 } // namespace lyx
 
-#include "GuiSelectionManager_moc.cpp"
+#include "moc_GuiSelectionManager.cpp"