Initial import from the monolithic Qt.

This is the beginning of revision history for this module. If you
want to look at revision history older than this, please refer to the
Qt Git wiki for how to use Git history grafting. At the time of
writing, this wiki is located here:

http://qt.gitorious.org/qt/pages/GitIntroductionWithQt

If you have already performed the grafting and you don't see any
history beyond this commit, try running "git log" with the "--follow"
argument.

Branched from the monolithic repo, Qt master branch, at commit
896db169ea224deb96c59ce8af800d019de63f12

1 files changed, 456 insertions, 0 deletions

diff --git a/src/designer/src/lib/shared/qdesigner_promotiondialog.cpp b/src/designer/src/lib/shared/qdesigner_promotiondialog.cpp
new file mode 100644
index 000000000..6463016b1
--- /dev/null
+++ b/src/designer/src/lib/shared/qdesigner_promotiondialog.cpp
@@ -0,0 +1,456 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qdesigner_promotiondialog_p.h"
+#include "promotionmodel_p.h"
+#include "iconloader_p.h"
+#include "widgetdatabase_p.h"
+#include "signalslotdialog_p.h"
+
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerPromotionInterface>
+#include <QtDesigner/QDesignerWidgetDataBaseItemInterface>
+#include <QtDesigner/QDesignerIntegrationInterface>
+#include <abstractdialoggui_p.h>
+
+#include <QtCore/QTimer>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QHBoxLayout>
+#include <QtGui/QFormLayout>
+#include <QtGui/QDialogButtonBox>
+#include <QtGui/QTreeView>
+#include <QtGui/QHeaderView>
+#include <QtGui/QPushButton>
+#include <QtGui/QItemSelectionModel>
+#include <QtGui/QItemSelection>
+#include <QtGui/QComboBox>
+#include <QtGui/QLineEdit>
+#include <QtGui/QCheckBox>
+#include <QtGui/QRegExpValidator>
+#include <QtGui/QLabel>
+#include <QtGui/QSpacerItem>
+#include <QtGui/QMenu>
+#include <QtGui/QAction>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+    // PromotionParameters
+    struct PromotionParameters {
+        QString m_baseClass;
+        QString m_className;
+        QString m_includeFile;
+    };
+
+    //  NewPromotedClassPanel
+    NewPromotedClassPanel::NewPromotedClassPanel(const QStringList &baseClasses,
+                                                   int selectedBaseClass,
+                                                   QWidget *parent) :
+        QGroupBox(parent),
+        m_baseClassCombo(new  QComboBox),
+        m_classNameEdit(new QLineEdit),
+        m_includeFileEdit(new QLineEdit),
+        m_globalIncludeCheckBox(new QCheckBox),
+        m_addButton(new QPushButton(tr("Add")))
+    {
+        setTitle(tr("New Promoted Class"));
+        setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum);
+        QHBoxLayout *hboxLayout = new QHBoxLayout(this);
+
+        m_classNameEdit->setValidator(new QRegExpValidator(QRegExp(QLatin1String("[_a-zA-Z:][:_a-zA-Z0-9]*")), m_classNameEdit));
+        connect(m_classNameEdit,   SIGNAL(textChanged(QString)), this, SLOT(slotNameChanged(QString)));
+        connect(m_includeFileEdit, SIGNAL(textChanged(QString)), this, SLOT(slotIncludeFileChanged(QString)));
+
+        m_baseClassCombo->setEditable(false);
+        m_baseClassCombo->addItems(baseClasses);
+        if (selectedBaseClass != -1)
+            m_baseClassCombo->setCurrentIndex(selectedBaseClass);
+
+        // Grid
+        QFormLayout *formLayout = new QFormLayout();
+        formLayout->addRow(tr("Base class name:"),     m_baseClassCombo);
+        formLayout->addRow(tr("Promoted class name:"), m_classNameEdit);
+        formLayout->addRow(tr("Header file:"),         m_includeFileEdit);
+        formLayout->addRow(tr("Global include"),       m_globalIncludeCheckBox);
+        hboxLayout->addLayout(formLayout);
+        hboxLayout->addItem(new QSpacerItem(15, 0, QSizePolicy::Fixed, QSizePolicy::Ignored));
+        // Button box
+        QVBoxLayout *buttonLayout = new QVBoxLayout();
+
+        m_addButton->setAutoDefault(false);
+        connect(m_addButton, SIGNAL(clicked()), this, SLOT(slotAdd()));
+        m_addButton->setEnabled(false);
+        buttonLayout->addWidget(m_addButton);
+
+        QPushButton *resetButton = new QPushButton(tr("Reset"));
+        resetButton->setAutoDefault(false);
+        connect(resetButton, SIGNAL(clicked()), this, SLOT(slotReset()));
+
+        buttonLayout->addWidget(resetButton);
+        buttonLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::Expanding));
+        hboxLayout->addLayout(buttonLayout);
+
+        enableButtons();
+    }
+
+    void NewPromotedClassPanel::slotAdd() {
+        bool ok = false;
+        emit newPromotedClass(promotionParameters(), &ok);
+        if (ok)
+            slotReset();
+    }
+
+    void NewPromotedClassPanel::slotReset() {
+        const QString empty;
+        m_classNameEdit->setText(empty);
+        m_includeFileEdit->setText(empty);
+        m_globalIncludeCheckBox->setCheckState(Qt::Unchecked);
+    }
+
+    void NewPromotedClassPanel::grabFocus() {
+        m_classNameEdit->setFocus(Qt::OtherFocusReason);
+    }
+
+    void NewPromotedClassPanel::slotNameChanged(const QString &className) {
+        // Suggest a name
+        if (!className.isEmpty()) {
+            const QChar dot(QLatin1Char('.'));
+            QString suggestedHeader = m_promotedHeaderLowerCase ?
+                                      className.toLower() : className;
+            suggestedHeader.replace(QLatin1String("::"), QString(QLatin1Char('_')));
+            if (!m_promotedHeaderSuffix.startsWith(dot))
+                suggestedHeader += dot;
+            suggestedHeader += m_promotedHeaderSuffix;
+
+            const bool blocked = m_includeFileEdit->blockSignals(true);
+            m_includeFileEdit->setText(suggestedHeader);
+            m_includeFileEdit->blockSignals(blocked);
+        }
+        enableButtons();
+    }
+
+    void NewPromotedClassPanel::slotIncludeFileChanged(const QString &){
+        enableButtons();
+    }
+
+    void NewPromotedClassPanel::enableButtons() {
+        const bool enabled = !m_classNameEdit->text().isEmpty() && !m_includeFileEdit->text().isEmpty();
+        m_addButton->setEnabled(enabled);
+        m_addButton->setDefault(enabled);
+    }
+
+    PromotionParameters NewPromotedClassPanel::promotionParameters() const {
+         PromotionParameters rc;
+         rc.m_baseClass = m_baseClassCombo->currentText();
+         rc.m_className = m_classNameEdit->text();
+         rc.m_includeFile = buildIncludeFile(m_includeFileEdit->text(),
+                                             m_globalIncludeCheckBox->checkState() == Qt::Checked ? IncludeGlobal : IncludeLocal);
+         return rc;
+     }
+
+    void NewPromotedClassPanel::chooseBaseClass(const QString &baseClass) {
+        const int index = m_baseClassCombo->findText (baseClass);
+        if (index != -1)
+            m_baseClassCombo->setCurrentIndex (index);
+    }
+
+    // --------------- QDesignerPromotionDialog
+    QDesignerPromotionDialog::QDesignerPromotionDialog(QDesignerFormEditorInterface *core,
+                                                       QWidget *parent,
+                                                       const QString &promotableWidgetClassName,
+                                                       QString *promoteTo) :
+        QDialog(parent),
+        m_mode(promotableWidgetClassName.isEmpty() || promoteTo == 0 ? ModeEdit : ModeEditChooseClass),
+        m_promotableWidgetClassName(promotableWidgetClassName),
+        m_core(core),
+        m_promoteTo(promoteTo),
+        m_promotion(core->promotion()),
+        m_model(new PromotionModel(core)),
+        m_treeView(new QTreeView),
+        m_buttonBox(0),
+        m_removeButton(new QPushButton(createIconSet(QString::fromUtf8("minus.png")), QString()))
+    {
+        m_buttonBox = createButtonBox();
+        setModal(true);
+        setWindowTitle(tr("Promoted Widgets"));
+        setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+        QVBoxLayout *vboxLayout = new QVBoxLayout(this);
+
+        // tree view group
+        QGroupBox *treeViewGroup = new QGroupBox();
+        treeViewGroup->setTitle(tr("Promoted Classes"));
+        QVBoxLayout *treeViewVBoxLayout = new QVBoxLayout(treeViewGroup);
+        // tree view
+        m_treeView->setModel (m_model);
+        m_treeView->setMinimumWidth(450);
+        m_treeView->setContextMenuPolicy(Qt::CustomContextMenu);
+
+        connect(m_treeView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)),
+                this, SLOT(slotSelectionChanged(QItemSelection,QItemSelection)));
+
+        connect(m_treeView, SIGNAL(customContextMenuRequested(QPoint)),
+                this, SLOT(slotTreeViewContextMenu(QPoint)));
+
+        QHeaderView *headerView = m_treeView->header();
+        headerView->setResizeMode(QHeaderView::ResizeToContents);
+        treeViewVBoxLayout->addWidget(m_treeView);
+        // remove button
+        QHBoxLayout *hboxLayout = new QHBoxLayout();
+        hboxLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Ignored));
+
+        m_removeButton->setAutoDefault(false);
+        connect(m_removeButton, SIGNAL(clicked()), this, SLOT(slotRemove()));
+        m_removeButton->setEnabled(false);
+        hboxLayout->addWidget(m_removeButton);
+        treeViewVBoxLayout->addLayout(hboxLayout);
+        vboxLayout->addWidget(treeViewGroup);
+        // Create new panel: Try to be smart and preselect a base class. Default to QFrame
+        const QStringList &baseClassNameList = baseClassNames(m_promotion);
+        int preselectedBaseClass = -1;
+        if (m_mode == ModeEditChooseClass) {
+            preselectedBaseClass = baseClassNameList.indexOf(m_promotableWidgetClassName);
+        }
+        if (preselectedBaseClass == -1)
+            preselectedBaseClass = baseClassNameList.indexOf(QLatin1String("QFrame"));
+
+        NewPromotedClassPanel *newPromotedClassPanel = new NewPromotedClassPanel(baseClassNameList, preselectedBaseClass);
+        newPromotedClassPanel->setPromotedHeaderSuffix(core->integration()->headerSuffix());
+        newPromotedClassPanel->setPromotedHeaderLowerCase(core->integration()->isHeaderLowercase());
+        connect(newPromotedClassPanel, SIGNAL(newPromotedClass(PromotionParameters,bool*)), this, SLOT(slotNewPromotedClass(PromotionParameters,bool*)));
+        connect(this, SIGNAL(selectedBaseClassChanged(QString)),
+                newPromotedClassPanel, SLOT(chooseBaseClass(QString)));
+        vboxLayout->addWidget(newPromotedClassPanel);
+        // button box
+        vboxLayout->addWidget(m_buttonBox);
+        // connect model
+        connect(m_model, SIGNAL(includeFileChanged(QDesignerWidgetDataBaseItemInterface*,QString)),
+                this, SLOT(slotIncludeFileChanged(QDesignerWidgetDataBaseItemInterface*,QString)));
+
+        connect(m_model, SIGNAL(classNameChanged(QDesignerWidgetDataBaseItemInterface*,QString)),
+                this, SLOT(slotClassNameChanged(QDesignerWidgetDataBaseItemInterface*,QString)));
+
+        // focus
+        if (m_mode == ModeEditChooseClass)
+            newPromotedClassPanel->grabFocus();
+
+        slotUpdateFromWidgetDatabase();
+    }
+
+    QDialogButtonBox *QDesignerPromotionDialog::createButtonBox() {
+        QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Close);
+
+        connect(buttonBox , SIGNAL(accepted()), this, SLOT(slotAcceptPromoteTo()));
+        buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Promote"));
+        buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false);
+
+        connect(buttonBox , SIGNAL(rejected()), this, SLOT(reject()));
+        return buttonBox;
+    }
+
+    void QDesignerPromotionDialog::slotUpdateFromWidgetDatabase() {
+        m_model->updateFromWidgetDatabase();
+        m_treeView->expandAll();
+        m_removeButton->setEnabled(false);
+    }
+
+    void QDesignerPromotionDialog::delayedUpdateFromWidgetDatabase() {
+        QTimer::singleShot(0, this, SLOT(slotUpdateFromWidgetDatabase()));
+    }
+
+    const QStringList &QDesignerPromotionDialog::baseClassNames(const QDesignerPromotionInterface *promotion) {
+        typedef QList<QDesignerWidgetDataBaseItemInterface *> WidgetDataBaseItemList;
+        static QStringList rc;
+        if (rc.empty()) {
+            // Convert the item list into a string list.
+            const WidgetDataBaseItemList dbItems =  promotion->promotionBaseClasses();
+            const WidgetDataBaseItemList::const_iterator cend =  dbItems.constEnd();
+            for (WidgetDataBaseItemList::const_iterator it = dbItems.constBegin() ; it != cend; ++it) {
+                rc.push_back( (*it)->name());
+            }
+        }
+        return rc;
+    }
+
+    void  QDesignerPromotionDialog::slotAcceptPromoteTo() {
+        Q_ASSERT(m_mode == ModeEditChooseClass);
+        unsigned flags;
+        // Ok pressed: Promote to selected class
+        if (QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags)) {
+            if (flags & CanPromote) {
+                *m_promoteTo = dbItem ->name();
+                accept();
+            }
+        }
+    }
+
+    void QDesignerPromotionDialog::slotRemove() {
+        unsigned flags;
+        QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags);
+        if (!dbItem || (flags & Referenced))
+            return;
+
+        QString errorMessage;
+        if (m_promotion->removePromotedClass(dbItem->name(), &errorMessage)) {
+            slotUpdateFromWidgetDatabase();
+        } else {
+            displayError(errorMessage);
+        }
+    }
+
+    void QDesignerPromotionDialog::slotSelectionChanged(const QItemSelection &selected, const QItemSelection &) {
+        // Enable deleting non-referenced items
+        unsigned flags;
+        const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(selected, flags);
+        m_removeButton->setEnabled(dbItem && !(flags & Referenced));
+        // In choose mode, can we promote to the class?
+        if (m_mode == ModeEditChooseClass) {
+            const bool enablePromoted = flags & CanPromote;
+            m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enablePromoted);
+            m_buttonBox->button(QDialogButtonBox::Ok)->setDefault(enablePromoted);
+        }
+        // different base?
+        if (dbItem) {
+            const QString baseClass = dbItem->extends();
+            if (baseClass !=  m_lastSelectedBaseClass) {
+                m_lastSelectedBaseClass = baseClass;
+                emit selectedBaseClassChanged(m_lastSelectedBaseClass);
+            }
+        }
+    }
+
+    QDesignerWidgetDataBaseItemInterface *QDesignerPromotionDialog::databaseItemAt(const QItemSelection &selected, unsigned &flags) const {
+        flags = 0;
+        const QModelIndexList indexes = selected.indexes();
+        if (indexes.empty())
+            return 0;
+
+        bool referenced;
+        QDesignerWidgetDataBaseItemInterface *dbItem = m_model->databaseItemAt(indexes.front(), &referenced);
+
+        if (dbItem) {
+            if (referenced)
+                flags |= Referenced;
+            // In choose mode, can we promote to the class?
+            if (m_mode == ModeEditChooseClass &&  dbItem && dbItem->isPromoted() && dbItem->extends() ==  m_promotableWidgetClassName)
+                flags |= CanPromote;
+
+        }
+        return dbItem;
+    }
+
+    void QDesignerPromotionDialog::slotNewPromotedClass(const PromotionParameters &p, bool *ok) {
+        QString  errorMessage;
+        *ok = m_promotion->addPromotedClass(p.m_baseClass, p.m_className, p.m_includeFile, &errorMessage);
+        if (*ok) {
+            // update and select
+            slotUpdateFromWidgetDatabase();
+            const QModelIndex newClassIndex = m_model->indexOfClass(p.m_className);
+            if (newClassIndex.isValid()) {
+                m_treeView->selectionModel()->select(newClassIndex, QItemSelectionModel::SelectCurrent|QItemSelectionModel::Rows);
+            }
+        } else {
+            displayError(errorMessage);
+        }
+    }
+
+    void QDesignerPromotionDialog::slotIncludeFileChanged(QDesignerWidgetDataBaseItemInterface *dbItem, const QString &includeFile) {
+        if (includeFile.isEmpty()) {
+            delayedUpdateFromWidgetDatabase();
+            return;
+        }
+
+        if (dbItem->includeFile() == includeFile)
+            return;
+
+        QString errorMessage;
+        if (!m_promotion->setPromotedClassIncludeFile(dbItem->name(), includeFile, &errorMessage)) {
+            displayError(errorMessage);
+            delayedUpdateFromWidgetDatabase();
+        }
+    }
+
+    void  QDesignerPromotionDialog::slotClassNameChanged(QDesignerWidgetDataBaseItemInterface *dbItem, const QString &newName) {
+        if (newName.isEmpty()) {
+            delayedUpdateFromWidgetDatabase();
+            return;
+        }
+        const QString oldName = dbItem->name();
+        if (newName == oldName)
+            return;
+
+        QString errorMessage;
+        if (!m_promotion->changePromotedClassName(oldName , newName, &errorMessage)) {
+            displayError(errorMessage);
+            delayedUpdateFromWidgetDatabase();
+        }
+    }
+
+    void QDesignerPromotionDialog::slotTreeViewContextMenu(const QPoint &pos) {
+        unsigned flags;
+        const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags);
+        if (!dbItem)
+            return;
+
+        QMenu menu;
+        QAction *signalSlotAction = menu.addAction(tr("Change signals/slots..."));
+        connect(signalSlotAction, SIGNAL(triggered()), this, SLOT(slotEditSignalsSlots()));
+
+        menu.exec(m_treeView->viewport()->mapToGlobal(pos));
+    }
+
+    void  QDesignerPromotionDialog::slotEditSignalsSlots() {
+        unsigned flags;
+        const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags);
+        if (!dbItem)
+            return;
+
+        SignalSlotDialog::editPromotedClass(m_core, dbItem->name(), this);
+    }
+
+    void QDesignerPromotionDialog::displayError(const QString &message) {
+        m_core->dialogGui()->message(this, QDesignerDialogGuiInterface::PromotionErrorMessage, QMessageBox::Warning,
+                                     tr("%1 - Error").arg(windowTitle()), message,  QMessageBox::Close);
+    }
+} // namespace qdesigner_internal
+
+QT_END_NAMESPACE