--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/designer/appfontdialog.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,429 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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 "appfontdialog.h"
+
+#include <iconloader_p.h>
+#include <abstractsettings_p.h>
+
+#include <QtGui/QTreeView>
+#include <QtGui/QToolButton>
+#include <QtGui/QHBoxLayout>
+#include <QtGui/QVBoxLayout>
+#include <QtGui/QSpacerItem>
+#include <QtGui/QFileDialog>
+#include <QtGui/QStandardItemModel>
+#include <QtGui/QMessageBox>
+#include <QtGui/QFontDatabase>
+#include <QtGui/QDialogButtonBox>
+
+#include <QtCore/QSettings>
+#include <QtCore/QCoreApplication>
+#include <QtCore/QStringList>
+#include <QtCore/QFileInfo>
+#include <QtCore/QtAlgorithms>
+#include <QtCore/QVector>
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+enum {FileNameRole = Qt::UserRole + 1, IdRole = Qt::UserRole + 2 };
+enum { debugAppFontWidget = 0 };
+
+static const char fontFileKeyC[] = "fontFiles";
+
+// AppFontManager: Singleton that maintains the mapping of loaded application font
+// ids to the file names (which are not stored in QFontDatabase)
+// and provides API for loading/unloading fonts as well for saving/restoring settings.
+
+class AppFontManager
+{
+ Q_DISABLE_COPY(AppFontManager)
+ AppFontManager();
+public:
+ static AppFontManager &instance();
+
+ void save(QDesignerSettingsInterface *s, const QString &prefix) const;
+ void restore(const QDesignerSettingsInterface *s, const QString &prefix);
+
+ // Return id or -1
+ int add(const QString &fontFile, QString *errorMessage);
+
+ bool remove(int id, QString *errorMessage);
+ bool remove(const QString &fontFile, QString *errorMessage);
+ bool removeAt(int index, QString *errorMessage);
+
+ // Store loaded fonts as pair of file name and Id
+ typedef QPair<QString,int> FileNameFontIdPair;
+ typedef QList<FileNameFontIdPair> FileNameFontIdPairs;
+ const FileNameFontIdPairs &fonts() const;
+
+private:
+ FileNameFontIdPairs m_fonts;
+};
+
+AppFontManager::AppFontManager()
+{
+}
+
+AppFontManager &AppFontManager::instance()
+{
+ static AppFontManager rc;
+ return rc;
+}
+
+void AppFontManager::save(QDesignerSettingsInterface *s, const QString &prefix) const
+{
+ // Store as list of file names
+ QStringList fontFiles;
+ const FileNameFontIdPairs::const_iterator cend = m_fonts.constEnd();
+ for (FileNameFontIdPairs::const_iterator it = m_fonts.constBegin(); it != cend; ++it)
+ fontFiles.push_back(it->first);
+
+ s->beginGroup(prefix);
+ s->setValue(QLatin1String(fontFileKeyC), fontFiles);
+ s->endGroup();
+
+ if (debugAppFontWidget)
+ qDebug() << "AppFontManager::saved" << fontFiles.size() << "fonts under " << prefix;
+}
+
+void AppFontManager::restore(const QDesignerSettingsInterface *s, const QString &prefix)
+{
+ QString key = prefix;
+ key += QLatin1Char('/');
+ key += QLatin1String(fontFileKeyC);
+ const QStringList fontFiles = s->value(key, QStringList()).toStringList();
+
+ if (debugAppFontWidget)
+ qDebug() << "AppFontManager::restoring" << fontFiles.size() << "fonts from " << prefix;
+ if (!fontFiles.empty()) {
+ QString errorMessage;
+ const QStringList::const_iterator cend = fontFiles.constEnd();
+ for (QStringList::const_iterator it = fontFiles.constBegin(); it != cend; ++it)
+ if (add(*it, &errorMessage) == -1)
+ qWarning("%s", qPrintable(errorMessage));
+ }
+}
+
+int AppFontManager::add(const QString &fontFile, QString *errorMessage)
+{
+ const QFileInfo inf(fontFile);
+ if (!inf.isFile()) {
+ *errorMessage = QCoreApplication::translate("AppFontManager", "'%1' is not a file.").arg(fontFile);
+ return -1;
+ }
+ if (!inf.isReadable()) {
+ *errorMessage = QCoreApplication::translate("AppFontManager", "The font file '%1' does not have read permissions.").arg(fontFile);
+ return -1;
+ }
+ const QString fullPath = inf.absoluteFilePath();
+ // Check if already loaded
+ const FileNameFontIdPairs::const_iterator cend = m_fonts.constEnd();
+ for (FileNameFontIdPairs::const_iterator it = m_fonts.constBegin(); it != cend; ++it) {
+ if (it->first == fullPath) {
+ *errorMessage = QCoreApplication::translate("AppFontManager", "The font file '%1' is already loaded.").arg(fontFile);
+ return -1;
+ }
+ }
+
+ const int id = QFontDatabase::addApplicationFont(fullPath);
+ if (id == -1) {
+ *errorMessage = QCoreApplication::translate("AppFontManager", "The font file '%1' could not be loaded.").arg(fontFile);
+ return -1;
+ }
+
+ if (debugAppFontWidget)
+ qDebug() << "AppFontManager::add" << fontFile << id;
+ m_fonts.push_back(FileNameFontIdPair(fullPath, id));
+ return id;
+}
+
+bool AppFontManager::remove(int id, QString *errorMessage)
+{
+ const int count = m_fonts.size();
+ for (int i = 0; i < count; i++)
+ if (m_fonts[i].second == id)
+ return removeAt(i, errorMessage);
+
+ *errorMessage = QCoreApplication::translate("AppFontManager", "'%1' is not a valid font id.").arg(id);
+ return false;
+}
+
+bool AppFontManager::remove(const QString &fontFile, QString *errorMessage)
+{
+ const int count = m_fonts.size();
+ for (int i = 0; i < count; i++)
+ if (m_fonts[i].first == fontFile)
+ return removeAt(i, errorMessage);
+
+ *errorMessage = QCoreApplication::translate("AppFontManager", "There is no loaded font matching the id '%1'.").arg(fontFile);
+ return false;
+}
+
+bool AppFontManager::removeAt(int index, QString *errorMessage)
+{
+ Q_ASSERT(index >= 0 && index < m_fonts.size());
+
+ const QString fontFile = m_fonts[index].first;
+ const int id = m_fonts[index].second;
+
+ if (debugAppFontWidget)
+ qDebug() << "AppFontManager::removeAt" << index << '(' << fontFile << id << ')';
+
+ if (!QFontDatabase::removeApplicationFont(id)) {
+ *errorMessage = QCoreApplication::translate("AppFontManager", "The font '%1' (%2) could not be unloaded.").arg(fontFile).arg(id);
+ return false;
+ }
+ m_fonts.removeAt(index);
+ return true;
+}
+
+const AppFontManager::FileNameFontIdPairs &AppFontManager::fonts() const
+{
+ return m_fonts;
+}
+
+// ------------- AppFontModel
+class AppFontModel : public QStandardItemModel {
+ Q_DISABLE_COPY(AppFontModel)
+public:
+ AppFontModel(QObject *parent = 0);
+
+ void init(const AppFontManager &mgr);
+ void add(const QString &fontFile, int id);
+ int idAt(const QModelIndex &idx) const;
+};
+
+AppFontModel::AppFontModel(QObject * parent) :
+ QStandardItemModel(parent)
+{
+ setHorizontalHeaderLabels(QStringList(AppFontWidget::tr("Fonts")));
+}
+
+void AppFontModel::init(const AppFontManager &mgr)
+{
+ typedef AppFontManager::FileNameFontIdPairs FileNameFontIdPairs;
+
+ const FileNameFontIdPairs &fonts = mgr.fonts();
+ const FileNameFontIdPairs::const_iterator cend = fonts.constEnd();
+ for (FileNameFontIdPairs::const_iterator it = fonts.constBegin(); it != cend; ++it)
+ add(it->first, it->second);
+}
+
+void AppFontModel::add(const QString &fontFile, int id)
+{
+ const QFileInfo inf(fontFile);
+ // Root item with base name
+ QStandardItem *fileItem = new QStandardItem(inf.completeBaseName());
+ const QString fullPath = inf.absoluteFilePath();
+ fileItem->setData(fullPath, FileNameRole);
+ fileItem->setToolTip(fullPath);
+ fileItem->setData(id, IdRole);
+ fileItem->setFlags(Qt::ItemIsSelectable|Qt::ItemIsEnabled);
+
+ appendRow(fileItem);
+ const QStringList families = QFontDatabase::applicationFontFamilies(id);
+ const QStringList::const_iterator cend = families.constEnd();
+ for (QStringList::const_iterator it = families.constBegin(); it != cend; ++it) {
+ QStandardItem *familyItem = new QStandardItem(*it);
+ familyItem->setToolTip(fullPath);
+ familyItem->setFont(QFont(*it));
+ familyItem->setFlags(Qt::ItemIsEnabled);
+ fileItem->appendRow(familyItem);
+ }
+}
+
+int AppFontModel::idAt(const QModelIndex &idx) const
+{
+ if (const QStandardItem *item = itemFromIndex(idx))
+ return item->data(IdRole).toInt();
+ return -1;
+}
+
+// ------------- AppFontWidget
+AppFontWidget::AppFontWidget(QWidget *parent) :
+ QGroupBox(parent),
+ m_view(new QTreeView),
+ m_addButton(new QToolButton),
+ m_removeButton(new QToolButton),
+ m_removeAllButton(new QToolButton),
+ m_model(new AppFontModel(this))
+{
+ m_model->init(AppFontManager::instance());
+ m_view->setModel(m_model);
+ m_view->setSelectionMode(QAbstractItemView::ExtendedSelection);
+ m_view->expandAll();
+ connect(m_view->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), this, SLOT(selectionChanged(QItemSelection,QItemSelection)));
+
+ m_addButton->setToolTip(tr("Add font files"));
+ m_addButton->setIcon(qdesigner_internal::createIconSet(QString::fromUtf8("plus.png")));
+ connect(m_addButton, SIGNAL(clicked()), this, SLOT(addFiles()));
+
+ m_removeButton->setEnabled(false);
+ m_removeButton->setToolTip(tr("Remove current font file"));
+ m_removeButton->setIcon(qdesigner_internal::createIconSet(QString::fromUtf8("minus.png")));
+ connect(m_removeButton, SIGNAL(clicked()), this, SLOT(slotRemoveFiles()));
+
+ m_removeAllButton->setToolTip(tr("Remove all font files"));
+ m_removeAllButton->setIcon(qdesigner_internal::createIconSet(QString::fromUtf8("editdelete.png")));
+ connect(m_removeAllButton, SIGNAL(clicked()), this, SLOT(slotRemoveAll()));
+
+ QHBoxLayout *hLayout = new QHBoxLayout;
+ hLayout->addWidget(m_addButton);
+ hLayout->addWidget(m_removeButton);
+ hLayout->addWidget(m_removeAllButton);
+ hLayout->addItem(new QSpacerItem(0, 0,QSizePolicy::MinimumExpanding));
+
+ QVBoxLayout *vLayout = new QVBoxLayout;
+ vLayout->addWidget(m_view);
+ vLayout->addLayout(hLayout);
+ setLayout(vLayout);
+}
+
+void AppFontWidget::addFiles()
+{
+ const QStringList files =
+ QFileDialog::getOpenFileNames(this, tr("Add Font Files"), QString(),
+ tr("Font files (*.ttf)"));
+ if (files.empty())
+ return;
+
+ QString errorMessage;
+
+ AppFontManager &fmgr = AppFontManager::instance();
+ const QStringList::const_iterator cend = files.constEnd();
+ for (QStringList::const_iterator it = files.constBegin(); it != cend; ++it) {
+ const int id = fmgr.add(*it, &errorMessage);
+ if (id != -1) {
+ m_model->add(*it, id);
+ } else {
+ QMessageBox::critical(this, tr("Error Adding Fonts"), errorMessage);
+ }
+ }
+ m_view->expandAll();
+}
+
+static void removeFonts(const QModelIndexList &selectedIndexes, AppFontModel *model, QWidget *dialogParent)
+{
+ if (selectedIndexes.empty())
+ return;
+
+ // Reverse sort top level rows and remove
+ AppFontManager &fmgr = AppFontManager::instance();
+ QVector<int> rows;
+ rows.reserve(selectedIndexes.size());
+
+ QString errorMessage;
+ const QModelIndexList::const_iterator cend = selectedIndexes.constEnd();
+ for (QModelIndexList::const_iterator it = selectedIndexes.constBegin(); it != cend; ++it) {
+ const int id = model->idAt(*it);
+ if (id != -1) {
+ if (fmgr.remove(id, &errorMessage)) {
+ rows.push_back(it->row());
+ } else {
+ QMessageBox::critical(dialogParent, AppFontWidget::tr("Error Removing Fonts"), errorMessage);
+ }
+ }
+ }
+
+ qStableSort(rows.begin(), rows.end());
+ for (int i = rows.size() - 1; i >= 0; i--)
+ model->removeRow(rows[i]);
+}
+
+void AppFontWidget::slotRemoveFiles()
+{
+ removeFonts(m_view->selectionModel()->selectedIndexes(), m_model, this);
+}
+
+void AppFontWidget::slotRemoveAll()
+{
+ const int count = m_model->rowCount();
+ if (!count)
+ return;
+
+ const QMessageBox::StandardButton answer =
+ QMessageBox::question(this, tr("Remove Fonts"), tr("Would you like to remove all fonts?"),
+ QMessageBox::Yes|QMessageBox::No, QMessageBox::No);
+ if (answer == QMessageBox::No)
+ return;
+
+ QModelIndexList topLevels;
+ for (int i = 0; i < count; i++)
+ topLevels.push_back(m_model->index(i, 0));
+ removeFonts(topLevels, m_model, this);
+}
+
+void AppFontWidget::selectionChanged(const QItemSelection &selected, const QItemSelection & /*deselected*/)
+{
+ m_removeButton->setEnabled(!selected.indexes().empty());
+}
+
+void AppFontWidget::save(QDesignerSettingsInterface *s, const QString &prefix)
+{
+ AppFontManager::instance().save(s, prefix);
+}
+
+void AppFontWidget::restore(const QDesignerSettingsInterface *s, const QString &prefix)
+{
+ AppFontManager::instance().restore(s, prefix);
+}
+
+// ------------ AppFontDialog
+AppFontDialog::AppFontDialog(QWidget *parent) :
+ QDialog(parent),
+ m_appFontWidget(new AppFontWidget)
+{
+ setAttribute(Qt::WA_DeleteOnClose, true);
+ setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+ setWindowTitle(tr("Additional Fonts"));
+ setModal(false);
+ QVBoxLayout *vl = new QVBoxLayout;
+ vl->addWidget(m_appFontWidget);
+
+ QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Close);
+ QDialog::connect(bb, SIGNAL(rejected()), this, SLOT(reject()));
+ vl->addWidget(bb);
+ setLayout(vl);
+}
+
+QT_END_NAMESPACE