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qt_demoe/designer/lib/shared/formwindowbase.cpp

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Designer of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** 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 1.1, 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 have questions regarding the use of this file, please contact
** Nokia at qt-info@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 "qsimpleresource_p.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>
#include <QtGui/QLabel>
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();
const QVariant newValue = sheet->property(index);
if (qobject_cast<QLabel *>(sheet->object()) && sheet->propertyName(index) == QLatin1String("text")) {
const PropertySheetStringValue newString = qVariantValue<PropertySheetStringValue>(newValue);
// optimize a bit, reset only if the text value might contain a reference to qt resources
// (however reloading of icons other than taken from resources might not work here)
if (newString.value().contains(QLatin1String(":/"))) {
const QVariant resetValue = qVariantFromValue(PropertySheetStringValue());
sheet->setProperty(index, resetValue);
}
}
sheet->setProperty(index, newValue);
}
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*)));
}
QString FormWindowBase::fileContents() const
{
const bool oldValue = QSimpleResource::setWarningsEnabled(false);
const QString rc = contents();
QSimpleResource::setWarningsEnabled(oldValue);
return rc;
}
} // namespace qdesigner_internal
QT_END_NAMESPACE
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