Long live Qt!

1 files changed, 483 insertions, 0 deletions

diff --git a/tools/designer/src/lib/shared/formwindowbase.cpp b/tools/designer/src/lib/shared/formwindowbase.cpp
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+/****************************************************************************
+**
+** 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 "formwindowbase_p.h"
+#include "connectionedit_p.h"
+#include "qdesigner_command_p.h"
+#include "qdesigner_propertysheet_p.h"
+#include "qdesigner_propertyeditor_p.h"
+#include "qdesigner_menu_p.h"
+#include "qdesigner_menubar_p.h"
+#include "shared_settings_p.h"
+#include "grid_p.h" 
+#include "deviceprofile_p.h"
+#include "qdesigner_utils_p.h"
+
+#include <abstractformbuilder.h>
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerContainerExtension>
+#include <QtDesigner/QExtensionManager>
+#include <QtDesigner/QDesignerTaskMenuExtension>
+
+#include <QtCore/qdebug.h>
+#include <QtCore/QList>
+#include <QtCore/QTimer>
+#include <QtGui/QMenu>
+#include <QtGui/QListWidget>
+#include <QtGui/QTreeWidget>
+#include <QtGui/QTableWidget>
+#include <QtGui/QComboBox>
+#include <QtGui/QTabWidget>
+#include <QtGui/QToolBox>
+#include <QtGui/QToolBar>
+#include <QtGui/QStatusBar>
+#include <QtGui/QMenu>
+#include <QtGui/QAction>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+class FormWindowBasePrivate {
+public:
+    explicit FormWindowBasePrivate(QDesignerFormEditorInterface *core);
+
+    static Grid m_defaultGrid;
+
+    QDesignerFormWindowInterface::Feature m_feature;
+    Grid m_grid;
+    bool m_hasFormGrid;
+    DesignerPixmapCache *m_pixmapCache;
+    DesignerIconCache *m_iconCache;
+    QtResourceSet *m_resourceSet;
+    QMap<QDesignerPropertySheet *, QMap<int, bool> > m_reloadableResources; // bool is dummy, QMap used as QSet
+    QMap<QDesignerPropertySheet *, QObject *> m_reloadablePropertySheets;
+    const DeviceProfile m_deviceProfile;
+    FormWindowBase::LineTerminatorMode m_lineTerminatorMode;
+    FormWindowBase::SaveResourcesBehaviour m_saveResourcesBehaviour;
+};
+
+FormWindowBasePrivate::FormWindowBasePrivate(QDesignerFormEditorInterface *core) :
+    m_feature(QDesignerFormWindowInterface::DefaultFeature),
+    m_grid(m_defaultGrid),
+    m_hasFormGrid(false),
+    m_pixmapCache(0),
+    m_iconCache(0),
+    m_resourceSet(0),
+    m_deviceProfile(QDesignerSharedSettings(core).currentDeviceProfile()),
+    m_lineTerminatorMode(FormWindowBase::NativeLineTerminator),
+    m_saveResourcesBehaviour(FormWindowBase::SaveAll)
+{
+}
+
+Grid FormWindowBasePrivate::m_defaultGrid;
+
+FormWindowBase::FormWindowBase(QDesignerFormEditorInterface *core, QWidget *parent, Qt::WindowFlags flags) :
+    QDesignerFormWindowInterface(parent, flags),
+    m_d(new FormWindowBasePrivate(core))
+{
+    syncGridFeature();
+    m_d->m_pixmapCache = new DesignerPixmapCache(this);
+    m_d->m_iconCache = new DesignerIconCache(m_d->m_pixmapCache, this);
+}
+
+FormWindowBase::~FormWindowBase()
+{
+    delete m_d;
+}
+
+DesignerPixmapCache *FormWindowBase::pixmapCache() const
+{
+    return m_d->m_pixmapCache;
+}
+
+DesignerIconCache *FormWindowBase::iconCache() const
+{
+    return m_d->m_iconCache;
+}
+
+QtResourceSet *FormWindowBase::resourceSet() const
+{
+    return m_d->m_resourceSet;
+}
+
+void FormWindowBase::setResourceSet(QtResourceSet *resourceSet)
+{
+    m_d->m_resourceSet = resourceSet;
+}
+
+void FormWindowBase::addReloadableProperty(QDesignerPropertySheet *sheet, int index)
+{
+    m_d->m_reloadableResources[sheet][index] = true;
+}
+
+void FormWindowBase::removeReloadableProperty(QDesignerPropertySheet *sheet, int index)
+{
+    m_d->m_reloadableResources[sheet].remove(index);
+    if (m_d->m_reloadableResources[sheet].count() == 0)
+        m_d->m_reloadableResources.remove(sheet);
+}
+
+void FormWindowBase::addReloadablePropertySheet(QDesignerPropertySheet *sheet, QObject *object)
+{
+    if (qobject_cast<QTreeWidget *>(object) ||
+            qobject_cast<QTableWidget *>(object) ||
+            qobject_cast<QListWidget *>(object) ||
+            qobject_cast<QComboBox *>(object))
+        m_d->m_reloadablePropertySheets[sheet] = object;
+}
+
+void FormWindowBase::removeReloadablePropertySheet(QDesignerPropertySheet *sheet)
+{
+    m_d->m_reloadablePropertySheets.remove(sheet);
+}
+
+void FormWindowBase::reloadProperties()
+{
+    pixmapCache()->clear();
+    iconCache()->clear();
+    QMapIterator<QDesignerPropertySheet *, QMap<int, bool> > itSheet(m_d->m_reloadableResources);
+    while (itSheet.hasNext()) {
+        QDesignerPropertySheet *sheet = itSheet.next().key();
+        QMapIterator<int, bool> itIndex(itSheet.value());
+        while (itIndex.hasNext()) {
+            const int index = itIndex.next().key();
+            sheet->setProperty(index, sheet->property(index));
+        }
+        if (QTabWidget *tabWidget = qobject_cast<QTabWidget *>(sheet->object())) {
+            const int count = tabWidget->count();
+            const int current = tabWidget->currentIndex();
+            const QString currentTabIcon = QLatin1String("currentTabIcon");
+            for (int i = 0; i < count; i++) {
+                tabWidget->setCurrentIndex(i);
+                const int index = sheet->indexOf(currentTabIcon);
+                sheet->setProperty(index, sheet->property(index));
+            }
+            tabWidget->setCurrentIndex(current);
+        } else if (QToolBox *toolBox = qobject_cast<QToolBox *>(sheet->object())) {
+            const int count = toolBox->count();
+            const int current = toolBox->currentIndex();
+            const QString currentItemIcon = QLatin1String("currentItemIcon");
+            for (int i = 0; i < count; i++) {
+                toolBox->setCurrentIndex(i);
+                const int index = sheet->indexOf(currentItemIcon);
+                sheet->setProperty(index, sheet->property(index));
+            }
+            toolBox->setCurrentIndex(current);
+        }
+    }
+    QMapIterator<QDesignerPropertySheet *, QObject *> itSh(m_d->m_reloadablePropertySheets);
+    while (itSh.hasNext()) {
+        QObject *object = itSh.next().value();
+        reloadIconResources(iconCache(), object);
+    }
+}
+
+void FormWindowBase::resourceSetActivated(QtResourceSet *resource, bool resourceSetChanged)
+{
+    if (resource == resourceSet() && resourceSetChanged) {
+        reloadProperties();
+        emit pixmapCache()->reloaded();
+        emit iconCache()->reloaded();
+        if (QDesignerPropertyEditor *propertyEditor = qobject_cast<QDesignerPropertyEditor *>(core()->propertyEditor()))
+            propertyEditor->reloadResourceProperties();
+    }
+}
+
+QVariantMap FormWindowBase::formData()
+{
+    QVariantMap rc;
+    if (m_d->m_hasFormGrid)
+        m_d->m_grid.addToVariantMap(rc, true);
+    return rc;
+}
+
+void FormWindowBase::setFormData(const QVariantMap &vm)
+{
+    Grid formGrid;
+    m_d->m_hasFormGrid = formGrid.fromVariantMap(vm);
+    if (m_d->m_hasFormGrid)
+         m_d->m_grid = formGrid;
+}
+
+QPoint FormWindowBase::grid() const
+{
+    return QPoint(m_d->m_grid.deltaX(), m_d->m_grid.deltaY());
+}
+
+void FormWindowBase::setGrid(const QPoint &grid)
+{
+    m_d->m_grid.setDeltaX(grid.x());
+    m_d->m_grid.setDeltaY(grid.y());
+}
+
+bool FormWindowBase::hasFeature(Feature f) const
+{
+    return f & m_d->m_feature;
+}
+
+static void recursiveUpdate(QWidget *w)
+{
+    w->update();
+
+    const QObjectList &l = w->children();
+    const QObjectList::const_iterator cend = l.constEnd();
+    for (QObjectList::const_iterator it = l.constBegin(); it != cend; ++it) {
+        if (QWidget *w = qobject_cast<QWidget*>(*it))
+            recursiveUpdate(w);
+    }
+}
+
+void FormWindowBase::setFeatures(Feature f)
+{
+    m_d->m_feature = f;
+    const bool enableGrid = f & GridFeature;
+    m_d->m_grid.setVisible(enableGrid);
+    m_d->m_grid.setSnapX(enableGrid);
+    m_d->m_grid.setSnapY(enableGrid);
+    emit featureChanged(f);
+    recursiveUpdate(this);
+}
+
+FormWindowBase::Feature FormWindowBase::features() const
+{
+    return m_d->m_feature;
+}
+
+bool FormWindowBase::gridVisible() const
+{
+    return m_d->m_grid.visible() && currentTool() == 0;
+}
+
+FormWindowBase::SaveResourcesBehaviour FormWindowBase::saveResourcesBehaviour() const
+{
+    return m_d->m_saveResourcesBehaviour;
+}
+
+void FormWindowBase::setSaveResourcesBehaviour(SaveResourcesBehaviour behaviour)
+{
+    m_d->m_saveResourcesBehaviour = behaviour;
+}
+
+void FormWindowBase::syncGridFeature()
+{
+    if (m_d->m_grid.snapX() || m_d->m_grid.snapY())
+        m_d->m_feature |= GridFeature;
+    else
+        m_d->m_feature &= ~GridFeature;
+}
+
+void FormWindowBase::setDesignerGrid(const  Grid& grid)
+{
+    m_d->m_grid = grid;
+    syncGridFeature();
+    recursiveUpdate(this);
+}
+
+const Grid &FormWindowBase::designerGrid() const
+{
+    return m_d->m_grid;
+}
+
+bool FormWindowBase::hasFormGrid() const
+{
+    return m_d->m_hasFormGrid;
+}
+
+void FormWindowBase::setHasFormGrid(bool b)
+{
+    m_d->m_hasFormGrid = b;
+}
+
+void FormWindowBase::setDefaultDesignerGrid(const Grid& grid)
+{
+    FormWindowBasePrivate::m_defaultGrid = grid;
+}
+
+const Grid &FormWindowBase::defaultDesignerGrid()
+{
+    return FormWindowBasePrivate::m_defaultGrid;
+}
+
+QMenu *FormWindowBase::initializePopupMenu(QWidget * /*managedWidget*/)
+{
+    return 0;
+}
+
+// Widget under mouse for finding the Widget to highlight
+// when doing DnD. Restricts to pages by geometry if a container with
+// a container extension (or one of its helper widgets) is hit; otherwise
+// returns the widget as such (be it managed/unmanaged)
+
+QWidget *FormWindowBase::widgetUnderMouse(const QPoint &formPos, WidgetUnderMouseMode /* wum */)
+{
+    // widget_under_mouse might be some temporary thing like the dropLine. We need
+    // the actual widget that's part of the edited GUI.
+    QWidget *rc = widgetAt(formPos);
+    if (!rc || qobject_cast<ConnectionEdit*>(rc))
+        return 0;
+
+    if (rc == mainContainer()) {
+        // Refuse main container areas if the main container has a container extension,
+        // for example when hitting QToolBox/QTabWidget empty areas.
+        if (qt_extension<QDesignerContainerExtension*>(core()->extensionManager(), rc))
+            return 0;
+        return rc;
+    }
+
+    // If we hit on container extension type container, make sure
+    // we use the top-most current page
+    if (QWidget *container = findContainer(rc, false))
+        if (QDesignerContainerExtension *c = qt_extension<QDesignerContainerExtension*>(core()->extensionManager(), container)) {
+            // For container that do not have a "stacked" nature (QToolBox, QMdiArea),
+            // make sure the position is within the current page
+            const int ci = c->currentIndex();
+            if (ci < 0)
+                return 0;
+            QWidget *page = c->widget(ci);
+            QRect pageGeometry = page->geometry();
+            pageGeometry.moveTo(page->mapTo(this, pageGeometry.topLeft()));
+            if (!pageGeometry.contains(formPos))
+                return 0;
+            return page;
+        }
+
+    return rc;
+}
+
+void FormWindowBase::deleteWidgetList(const QWidgetList &widget_list)
+{
+    // We need a macro here even for single widgets because the some components (for example,
+    // the signal slot editor are connected to widgetRemoved() and add their
+    // own commands (for example, to delete w's connections)
+    const QString description = widget_list.size() == 1 ?
+        tr("Delete '%1'").arg(widget_list.front()->objectName()) : tr("Delete");
+
+    commandHistory()->beginMacro(description);
+    foreach (QWidget *w, widget_list) {
+        emit widgetRemoved(w);
+        DeleteWidgetCommand *cmd = new DeleteWidgetCommand(this);
+        cmd->init(w);
+        commandHistory()->push(cmd);
+    }
+    commandHistory()->endMacro();
+}
+
+QMenu *FormWindowBase::createExtensionTaskMenu(QDesignerFormWindowInterface *fw, QObject *o, bool trailingSeparator)
+{
+    typedef QList<QAction *> ActionList;
+    ActionList actions;
+    // 1) Standard public extension
+    QExtensionManager *em = fw->core()->extensionManager();
+    if (const QDesignerTaskMenuExtension *extTaskMenu = qt_extension<QDesignerTaskMenuExtension*>(em, o))
+        actions += extTaskMenu->taskActions();
+    if (const QDesignerTaskMenuExtension *intTaskMenu = qobject_cast<QDesignerTaskMenuExtension *>(em->extension(o, QLatin1String("QDesignerInternalTaskMenuExtension")))) {
+        if (!actions.empty()) {
+            QAction *a = new QAction(fw);
+            a->setSeparator(true);
+            actions.push_back(a);
+        }
+        actions += intTaskMenu->taskActions();
+    }
+    if (actions.empty())
+        return 0;
+    if (trailingSeparator && !actions.back()->isSeparator()) {
+        QAction *a  = new QAction(fw);
+        a->setSeparator(true);
+        actions.push_back(a);
+    }
+    QMenu *rc = new QMenu;
+    const ActionList::const_iterator cend = actions.constEnd();
+    for (ActionList::const_iterator it = actions.constBegin(); it != cend; ++it)
+        rc->addAction(*it);
+    return rc;
+}
+
+void FormWindowBase::emitObjectRemoved(QObject *o)
+{
+    emit objectRemoved(o);
+}
+
+DeviceProfile FormWindowBase::deviceProfile() const
+{
+    return m_d->m_deviceProfile;
+}
+
+QString FormWindowBase::styleName() const
+{
+    return m_d->m_deviceProfile.isEmpty() ? QString() : m_d->m_deviceProfile.style();
+}
+
+void FormWindowBase::emitWidgetRemoved(QWidget *w)
+{
+    emit widgetRemoved(w);
+}
+
+QString FormWindowBase::deviceProfileName() const
+{
+    return m_d->m_deviceProfile.isEmpty() ? QString() : m_d->m_deviceProfile.name();
+}
+
+void FormWindowBase::setLineTerminatorMode(FormWindowBase::LineTerminatorMode mode)
+{
+    m_d->m_lineTerminatorMode = mode;
+}
+
+FormWindowBase::LineTerminatorMode FormWindowBase::lineTerminatorMode() const
+{
+    return m_d->m_lineTerminatorMode;
+}
+
+void FormWindowBase::triggerDefaultAction(QWidget *widget)
+{
+    if (QAction *action = qdesigner_internal::preferredEditAction(core(), widget))
+        QTimer::singleShot(0, action, SIGNAL(triggered()));
+}
+
+void FormWindowBase::setupDefaultAction(QDesignerFormWindowInterface *fw)
+{
+    QObject::connect(fw, SIGNAL(activated(QWidget*)), fw, SLOT(triggerDefaultAction(QWidget*)));
+}
+
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE