Long live Qt 4.5!

1 files changed, 659 insertions, 0 deletions

diff --git a/tools/designer/src/lib/shared/actionrepository.cpp b/tools/designer/src/lib/shared/actionrepository.cpp
new file mode 100644
index 0000000..941a9ba
--- /dev/null
+++ b/tools/designer/src/lib/shared/actionrepository.cpp
@@ -0,0 +1,659 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "actionrepository_p.h"
+#include "qtresourceview_p.h"
+#include "iconloader_p.h"
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerPropertySheetExtension>
+#include <QtDesigner/QExtensionManager>
+
+#include <QtGui/QDrag>
+#include <QtGui/QContextMenuEvent>
+#include <QtGui/QStandardItemModel>
+#include <QtGui/QToolButton>
+#include <QtGui/QPixmap>
+#include <QtGui/QAction>
+#include <QtGui/QHeaderView>
+#include <QtGui/QToolBar>
+#include <QtGui/QMenu>
+#include <QtGui/qevent.h>
+#include <QtCore/QSet>
+#include <QtCore/QDebug>
+
+Q_DECLARE_METATYPE(QAction*)
+
+QT_BEGIN_NAMESPACE
+
+namespace {
+    enum { listModeIconSize = 16, iconModeIconSize = 24 };
+}
+
+static const char *actionMimeType = "action-repository/actions";
+static const char *plainTextMimeType = "text/plain";
+
+static inline QAction *actionOfItem(const QStandardItem* item)
+{
+    return qvariant_cast<QAction*>(item->data(qdesigner_internal::ActionModel::ActionRole));
+}
+
+static QIcon fixActionIcon(const QIcon &icon)
+{
+    if (icon.isNull())
+        return qdesigner_internal::emptyIcon();
+    return icon;
+}
+
+namespace qdesigner_internal {
+
+// ----------- ActionModel
+ActionModel::ActionModel(QWidget *parent ) :
+    QStandardItemModel(parent),
+    m_core(0)
+{
+    QStringList headers;
+    headers += tr("Name");
+    headers += tr("Used");
+    headers += tr("Text");
+    headers += tr("Shortcut");
+    headers += tr("Checkable");
+    headers += tr("ToolTip");
+    Q_ASSERT(NumColumns == headers.size());
+    setHorizontalHeaderLabels(headers);
+}
+
+void ActionModel::clearActions()
+{
+    removeRows(0, rowCount());
+}
+
+int ActionModel::findAction(QAction *action) const
+{
+    const int rows = rowCount();
+    for (int i = 0; i < rows; i++)
+       if (action == actionOfItem(item(i)))
+           return i;
+    return -1;
+}
+
+void ActionModel::update(int row)
+{
+    Q_ASSERT(m_core);
+    // need to create the row list ... grrr..
+    if (row >= rowCount())
+       return;
+
+    QStandardItemList list;
+    for (int i = 0; i < NumColumns; i++)
+       list += item(row, i);
+
+    setItems(m_core, actionOfItem(list.front()), list);
+}
+
+void ActionModel::remove(int row)
+{
+    qDeleteAll(takeRow(row));
+}
+
+QModelIndex ActionModel::addAction(QAction *action)
+{
+    Q_ASSERT(m_core);
+    QStandardItemList items;
+    const  Qt::ItemFlags flags = Qt::ItemIsSelectable|Qt::ItemIsDropEnabled|Qt::ItemIsDragEnabled|Qt::ItemIsEnabled;
+
+    QVariant itemData;
+    qVariantSetValue(itemData, action);
+
+    for (int i = 0; i < NumColumns; i++) {
+        QStandardItem *item = new QStandardItem;
+        item->setData(itemData, ActionRole);
+        item->setFlags(flags);
+        items.push_back(item);
+    }
+    setItems(m_core, action, items);
+    appendRow(items);
+    return indexFromItem(items.front());
+}
+
+// Find the associated menus and toolbars, ignore toolbuttons
+QWidgetList ActionModel::associatedWidgets(const QAction *action)
+{
+    QWidgetList rc = action->associatedWidgets();
+    for (QWidgetList::iterator it = rc.begin(); it != rc.end(); )
+        if (qobject_cast<const QMenu *>(*it) || qobject_cast<const QToolBar *>(*it)) {
+            ++it;
+        } else {
+            it = rc.erase(it);
+        }
+    return rc;
+}
+
+// shortcut is a fake property, need to retrieve it via property sheet.
+static QString actionShortCut(QDesignerFormEditorInterface *core, QAction *action)
+{
+    QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension*>(core->extensionManager(), action);
+    if (!sheet)
+        return QString();
+    const int index = sheet->indexOf(QLatin1String("shortcut"));
+    if (index == -1)
+        return QString();
+    const QKeySequence keysequence = qvariant_cast<QKeySequence>(sheet->property(index));
+    return keysequence.toString();
+}
+
+void  ActionModel::setItems(QDesignerFormEditorInterface *core, QAction *action, QStandardItemList &sl)
+{
+
+    // Tooltip, mostly for icon view mode
+    QString firstTooltip = action->objectName();
+    const QString text = action->text();
+    if (!text.isEmpty()) {
+        firstTooltip += QLatin1Char('\n');
+        firstTooltip += text;
+    }
+
+    Q_ASSERT(sl.size() == NumColumns);
+
+    QStandardItem *item =  sl[NameColumn];
+    item->setText(action->objectName());
+    item->setIcon(fixActionIcon(action->icon()));
+    item->setToolTip(firstTooltip);
+    item->setWhatsThis(firstTooltip);
+    // Used
+    const QWidgetList associatedDesignerWidgets = associatedWidgets(action);
+    const bool used = !associatedDesignerWidgets.empty();
+    item = sl[UsedColumn];
+    item->setCheckState(used ? Qt::Checked : Qt::Unchecked);
+    if (used) {
+        QString usedToolTip;
+        const QString separator = QLatin1String(", ");
+        const int count = associatedDesignerWidgets.size();
+        for (int i = 0; i < count; i++) {
+            if (i)
+                usedToolTip += separator;
+            usedToolTip += associatedDesignerWidgets.at(i)->objectName();
+        }
+        item->setToolTip(usedToolTip);
+    } else {
+        item->setToolTip(QString());
+    }
+    // text
+    item = sl[TextColumn];
+    item->setText(action->text());
+    item->setToolTip(action->text());
+    // shortcut
+    const QString shortcut = actionShortCut(core, action);
+    item = sl[ShortCutColumn];
+    item->setText(shortcut);
+    item->setToolTip(shortcut);
+    // checkable
+    sl[CheckedColumn]->setCheckState(action->isCheckable() ?  Qt::Checked : Qt::Unchecked);
+    // ToolTip. This might be multi-line, rich text
+    QString toolTip = action->toolTip();
+    item = sl[ToolTipColumn];
+    item->setToolTip(toolTip);
+    item->setText(toolTip.replace(QLatin1Char('\n'), QLatin1Char(' ')));
+}
+
+QMimeData *ActionModel::mimeData(const QModelIndexList &indexes ) const
+{
+    ActionRepositoryMimeData::ActionList actionList;
+
+    QSet<QAction*> actions;
+    foreach (const  QModelIndex &index, indexes)
+        if (QStandardItem *item = itemFromIndex(index))
+            if (QAction *action = actionOfItem(item))
+                actions.insert(action);
+    return new ActionRepositoryMimeData(actions.toList(), Qt::CopyAction);
+}
+
+// Resource images are plain text. The drag needs to be restricted, however.
+QStringList ActionModel::mimeTypes() const
+{
+    return QStringList(QLatin1String(plainTextMimeType));
+}
+
+QString ActionModel::actionName(int row) const
+{
+    return item(row, NameColumn)->text();
+}
+
+bool ActionModel::dropMimeData(const QMimeData *data, Qt::DropAction action, int row, int column, const QModelIndex &)
+{
+  if (action != Qt::CopyAction)
+        return false;
+
+    QStandardItem *droppedItem = item(row, column);
+    if (!droppedItem)
+        return false;
+
+
+    QtResourceView::ResourceType type;
+    QString path;
+    if (!QtResourceView::decodeMimeData(data, &type, &path) || type !=  QtResourceView::ResourceImage)
+        return false;
+
+    emit resourceImageDropped(path, actionOfItem(droppedItem));
+    return true;
+}
+
+QAction *ActionModel::actionAt(const  QModelIndex &index) const
+{
+    if (!index.isValid())
+        return 0;
+    QStandardItem *i = itemFromIndex(index);
+    if (!i)
+        return 0;
+    return actionOfItem(i);
+}
+
+// helpers
+
+static bool handleImageDragEnterMoveEvent(QDropEvent *event)
+{
+    QtResourceView::ResourceType type;
+    const bool rc = QtResourceView::decodeMimeData(event->mimeData(), &type) && type ==  QtResourceView::ResourceImage;
+    if (rc)
+        event->acceptProposedAction();
+    else
+        event->ignore();
+    return rc;
+}
+
+static void handleImageDropEvent(const QAbstractItemView *iv, QDropEvent *event, ActionModel *am)
+{
+    const QModelIndex index = iv->indexAt(event->pos());
+    if (!index.isValid()) {
+        event->ignore();
+        return;
+    }
+
+    if (!handleImageDragEnterMoveEvent(event))
+        return;
+
+    am->dropMimeData(event->mimeData(),  event->proposedAction(), index.row(), 0, iv->rootIndex());
+}
+
+// Basically mimic  QAbstractItemView's startDrag routine, except that
+// another pixmap is used, we don't want the whole row.
+
+void startActionDrag(QWidget *dragParent, ActionModel *model, const QModelIndexList &indexes, Qt::DropActions supportedActions)
+{
+    if (indexes.empty())
+        return;
+
+    QDrag *drag = new QDrag(dragParent);
+    QMimeData *data = model->mimeData(indexes);
+    drag->setMimeData(data);
+    if (ActionRepositoryMimeData *actionMimeData = qobject_cast<ActionRepositoryMimeData *>(data))
+        drag->setPixmap(ActionRepositoryMimeData::actionDragPixmap(actionMimeData->actionList().front()));
+
+    drag->start(supportedActions);
+}
+
+// ---------------- ActionTreeView:
+ActionTreeView::ActionTreeView(ActionModel *model, QWidget *parent) :
+    QTreeView(parent),
+    m_model(model)
+{
+    setDragEnabled(true);
+    setAcceptDrops(true);
+    setDropIndicatorShown(true);
+    setDragDropMode(DragDrop);
+    setModel(model);
+    setRootIsDecorated(false);
+    setTextElideMode(Qt::ElideMiddle);
+
+    setModel(model);
+    connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(slotActivated(QModelIndex)));
+    connect(header(), SIGNAL(sectionDoubleClicked(int)), this, SLOT(resizeColumnToContents(int)));
+
+    setIconSize(QSize(listModeIconSize, listModeIconSize));
+
+}
+
+QAction *ActionTreeView::currentAction() const
+{
+    return m_model->actionAt(currentIndex());
+}
+
+void ActionTreeView::filter(const QString &text)
+{
+    const int rowCount = m_model->rowCount();
+    const bool empty = text.isEmpty();
+    const QModelIndex parent = rootIndex();
+    for (int i = 0; i < rowCount; i++)
+        setRowHidden(i, parent, !empty && !m_model->actionName(i).contains(text, Qt::CaseInsensitive));
+}
+
+void ActionTreeView::dragEnterEvent(QDragEnterEvent *event)
+{
+    handleImageDragEnterMoveEvent(event);
+}
+
+void ActionTreeView::dragMoveEvent(QDragMoveEvent *event)
+{
+    handleImageDragEnterMoveEvent(event);
+}
+
+void ActionTreeView::dropEvent(QDropEvent *event)
+{
+    handleImageDropEvent(this, event, m_model);
+}
+
+void ActionTreeView::focusInEvent(QFocusEvent *event)
+{
+    QTreeView::focusInEvent(event);
+    // Make property editor display current action
+    if (QAction *a = currentAction())
+       emit currentChanged(a);
+}
+
+void ActionTreeView::contextMenuEvent(QContextMenuEvent *event)
+{
+    emit contextMenuRequested(event, m_model->actionAt(indexAt(event->pos())));
+}
+
+void ActionTreeView::currentChanged(const QModelIndex &current, const QModelIndex &/*previous*/)
+{
+    emit currentChanged(m_model->actionAt(current));
+}
+
+void ActionTreeView::slotActivated(const QModelIndex &index)
+{
+    emit activated(m_model->actionAt(index));
+}
+
+void ActionTreeView::startDrag(Qt::DropActions supportedActions)
+{
+    startActionDrag(this, m_model, selectedIndexes(), supportedActions);
+}
+
+// ---------------- ActionListView:
+ActionListView::ActionListView(ActionModel *model, QWidget *parent) :
+    QListView(parent),
+    m_model(model)
+{
+    setDragEnabled(true);
+    setAcceptDrops(true);
+    setDropIndicatorShown(true);
+    setDragDropMode(DragDrop);
+    setModel(model);
+    setTextElideMode(Qt::ElideMiddle);
+    connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(slotActivated(QModelIndex)));
+
+    // We actually want 'Static' as the user should be able to
+    // drag away actions only (not to rearrange icons).
+    // We emulate that by not accepting our own
+    // drag data. 'Static' causes the list view to disable drag and drop
+    // on the viewport.
+    setMovement(Snap);
+    setViewMode(IconMode);
+    setIconSize(QSize(iconModeIconSize, iconModeIconSize));
+    setGridSize(QSize(4 * iconModeIconSize, 2 *  iconModeIconSize));
+    setSpacing(iconModeIconSize / 3);
+}
+
+QAction *ActionListView::currentAction() const
+{
+    return m_model->actionAt(currentIndex());
+}
+
+void ActionListView::filter(const QString &text)
+{
+    const int rowCount = m_model->rowCount();
+    const bool empty = text.isEmpty();
+    for (int i = 0; i < rowCount; i++)
+        setRowHidden(i, !empty && !m_model->actionName(i).contains(text, Qt::CaseInsensitive));
+}
+
+void ActionListView::dragEnterEvent(QDragEnterEvent *event)
+{
+    handleImageDragEnterMoveEvent(event);
+}
+
+void ActionListView::dragMoveEvent(QDragMoveEvent *event)
+{
+    handleImageDragEnterMoveEvent(event);
+}
+
+void ActionListView::dropEvent(QDropEvent *event)
+{
+    handleImageDropEvent(this, event, m_model);
+}
+
+void ActionListView::focusInEvent(QFocusEvent *event)
+{
+    QListView::focusInEvent(event);
+    // Make property editor display current action
+    if (QAction *a = currentAction())
+       emit currentChanged(a);
+}
+
+void ActionListView::contextMenuEvent(QContextMenuEvent *event)
+{
+    emit contextMenuRequested(event, m_model->actionAt(indexAt(event->pos())));
+}
+
+void ActionListView::currentChanged(const QModelIndex &current, const QModelIndex & /*previous*/)
+{
+    emit currentChanged(m_model->actionAt(current));
+}
+
+void ActionListView::slotActivated(const QModelIndex &index)
+{
+    emit activated(m_model->actionAt(index));
+}
+
+void ActionListView::startDrag(Qt::DropActions supportedActions)
+{
+    startActionDrag(this, m_model, selectedIndexes(), supportedActions);
+}
+
+//  ActionView
+ActionView::ActionView(QWidget *parent) :
+    QStackedWidget(parent),
+    m_model(new ActionModel(this)),
+    m_actionTreeView(new ActionTreeView(m_model)),
+    m_actionListView(new ActionListView(m_model))
+{
+    addWidget(m_actionListView);
+    addWidget(m_actionTreeView);
+    // Wire signals
+    connect(m_actionTreeView, SIGNAL(contextMenuRequested(QContextMenuEvent*, QAction*)),
+            this, SIGNAL(contextMenuRequested(QContextMenuEvent*, QAction*)));
+    connect(m_actionListView, SIGNAL(contextMenuRequested(QContextMenuEvent*, QAction*)),
+            this, SIGNAL(contextMenuRequested(QContextMenuEvent*, QAction*)));
+
+    // make it possible for vs integration to reimplement edit action dialog
+    // [which it shouldn't do actually]
+    connect(m_actionListView, SIGNAL(activated(QAction*)), this, SIGNAL(activated(QAction*)));
+    connect(m_actionTreeView, SIGNAL(activated(QAction*)), this, SIGNAL(activated(QAction*)));
+
+    connect(m_actionListView, SIGNAL(currentChanged(QAction*)),this, SLOT(slotCurrentChanged(QAction*)));
+    connect(m_actionTreeView, SIGNAL(currentChanged(QAction*)),this, SLOT(slotCurrentChanged(QAction*)));
+
+    connect(m_model, SIGNAL(resourceImageDropped(QString,QAction*)),
+            this, SIGNAL(resourceImageDropped(QString,QAction*)));
+
+    // sync selection models
+    QItemSelectionModel *selectionModel = m_actionTreeView->selectionModel();
+    m_actionListView->setSelectionModel(selectionModel);
+    connect(selectionModel, SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
+            this, SIGNAL(selectionChanged(QItemSelection,QItemSelection)));
+}
+
+int ActionView::viewMode() const
+{
+    return currentWidget() == m_actionListView ? IconView : DetailedView;
+}
+
+void ActionView::setViewMode(int lm)
+{
+    if (viewMode() == lm)
+        return;
+
+    switch (lm) {
+    case IconView:
+        setCurrentWidget(m_actionListView);
+        break;
+    case DetailedView:
+        setCurrentWidget(m_actionTreeView);
+        break;
+    default:
+        break;
+    }
+}
+
+void ActionView::slotCurrentChanged(QAction *action)
+{
+    // emit only for currently visible
+    if (sender() == currentWidget())
+        emit currentChanged(action);
+}
+
+void ActionView::filter(const QString &text)
+{
+    m_actionTreeView->filter(text);
+    m_actionListView->filter(text);
+}
+
+void ActionView::selectAll()
+{
+    m_actionTreeView->selectAll();
+}
+
+void ActionView::clearSelection()
+{
+    m_actionTreeView->selectionModel()->clearSelection();
+}
+
+void ActionView::setCurrentIndex(const QModelIndex &index)
+{
+    m_actionTreeView->setCurrentIndex(index);
+}
+
+QAction *ActionView::currentAction() const
+{
+    return m_actionListView->currentAction();
+}
+
+void ActionView::setSelectionMode(QAbstractItemView::SelectionMode sm)
+{
+    m_actionTreeView->setSelectionMode(sm);
+    m_actionListView->setSelectionMode(sm);
+}
+
+QAbstractItemView::SelectionMode ActionView::selectionMode() const
+{
+    return m_actionListView->selectionMode();
+}
+
+QItemSelection ActionView::selection() const
+{
+    return  m_actionListView->selectionModel()->selection();
+}
+
+ActionView::ActionList ActionView::selectedActions() const
+{
+    ActionList rc;
+    foreach (const QModelIndex &index, selection().indexes())
+        if (index.column() == 0)
+            rc += actionOfItem(m_model->itemFromIndex(index));
+    return rc;
+}
+// ----------  ActionRepositoryMimeData
+ActionRepositoryMimeData::ActionRepositoryMimeData(QAction *a, Qt::DropAction dropAction) :
+    m_dropAction(dropAction)
+{
+    m_actionList += a;
+}
+
+ActionRepositoryMimeData::ActionRepositoryMimeData(const ActionList &al, Qt::DropAction dropAction) :
+    m_dropAction(dropAction),
+    m_actionList(al)
+{
+}
+
+QStringList ActionRepositoryMimeData::formats() const
+{
+    return QStringList(QLatin1String(actionMimeType));
+}
+
+QPixmap  ActionRepositoryMimeData::actionDragPixmap(const QAction *action)
+{
+
+    // Try to find a suitable pixmap. Grab either widget or icon.
+    const QIcon icon = action->icon();
+    if (!icon.isNull())
+        return icon.pixmap(QSize(22, 22));
+
+    foreach (QWidget *w, action->associatedWidgets())
+        if (QToolButton *tb = qobject_cast<QToolButton *>(w))
+            return QPixmap::grabWidget(tb);
+
+    // Create a QToolButton
+    QToolButton *tb = new QToolButton;
+    tb->setText(action->text());
+    tb->setToolButtonStyle(Qt::ToolButtonTextOnly);
+#ifdef Q_WS_WIN // Force alien off to make adjustSize() take the system minimumsize into account.
+    tb->createWinId();
+#endif
+    tb->adjustSize();
+    const QPixmap rc = QPixmap::grabWidget(tb);
+    tb->deleteLater();
+    return rc;
+}
+
+void ActionRepositoryMimeData::accept(QDragMoveEvent *event) const
+{
+    if (event->proposedAction() == m_dropAction) {
+        event->acceptProposedAction();
+    } else {
+        event->setDropAction(m_dropAction);
+        event->accept();
+    }
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE