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Diffstat (limited to 'src/designer/src/designer/qdesigner_formwindow.cpp')
| -rw-r--r-- | src/designer/src/designer/qdesigner_formwindow.cpp | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/src/designer/src/designer/qdesigner_formwindow.cpp b/src/designer/src/designer/qdesigner_formwindow.cpp new file mode 100644 index 000000000..4770d2a58 --- /dev/null +++ b/src/designer/src/designer/qdesigner_formwindow.cpp @@ -0,0 +1,290 @@ +/**************************************************************************** +** +** 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_formwindow.h" +#include "qdesigner_workbench.h" +#include "formwindowbase_p.h" + +// sdk +#include <QtDesigner/QDesignerFormWindowInterface> +#include <QtDesigner/QDesignerFormEditorInterface> +#include <QtDesigner/QDesignerPropertySheetExtension> +#include <QtDesigner/QDesignerPropertyEditorInterface> +#include <QtDesigner/QDesignerFormWindowManagerInterface> +#include <QtDesigner/QDesignerTaskMenuExtension> +#include <QtDesigner/QExtensionManager> + +#include <QtCore/QEvent> +#include <QtCore/QFile> + +#include <QtGui/QAction> +#include <QtGui/QCloseEvent> +#include <QtGui/QFileDialog> +#include <QtGui/QMessageBox> +#include <QtGui/QPushButton> +#include <QtGui/QVBoxLayout> +#include <QtGui/QUndoCommand> +#include <QtGui/QWindowStateChangeEvent> + +QT_BEGIN_NAMESPACE + +QDesignerFormWindow::QDesignerFormWindow(QDesignerFormWindowInterface *editor, QDesignerWorkbench *workbench, QWidget *parent, Qt::WindowFlags flags) + : QWidget(parent, flags), + m_editor(editor), + m_workbench(workbench), + m_action(new QAction(this)), + m_initialized(false), + m_windowTitleInitialized(false) +{ + Q_ASSERT(workbench); + + setMaximumSize(0xFFF, 0xFFF); + QDesignerFormEditorInterface *core = workbench->core(); + + if (m_editor) { + m_editor->setParent(this); + } else { + m_editor = core->formWindowManager()->createFormWindow(this); + } + + QVBoxLayout *l = new QVBoxLayout(this); + l->setMargin(0); + l->addWidget(m_editor); + + m_action->setCheckable(true); + + connect(m_editor->commandHistory(), SIGNAL(indexChanged(int)), this, SLOT(updateChanged())); + connect(m_editor, SIGNAL(geometryChanged()), this, SLOT(geometryChanged())); + qdesigner_internal::FormWindowBase::setupDefaultAction(m_editor); +} + +QDesignerFormWindow::~QDesignerFormWindow() +{ + if (workbench()) + workbench()->removeFormWindow(this); +} + +QAction *QDesignerFormWindow::action() const +{ + return m_action; +} + +void QDesignerFormWindow::changeEvent(QEvent *e) +{ + switch (e->type()) { + case QEvent::WindowTitleChange: + m_action->setText(windowTitle().remove(QLatin1String("[*]"))); + break; + case QEvent::WindowIconChange: + m_action->setIcon(windowIcon()); + break; + case QEvent::WindowStateChange: { + const QWindowStateChangeEvent *wsce = static_cast<const QWindowStateChangeEvent *>(e); + const bool wasMinimized = Qt::WindowMinimized & wsce->oldState(); + const bool isMinimizedNow = isMinimized(); + if (wasMinimized != isMinimizedNow ) + emit minimizationStateChanged(m_editor, isMinimizedNow); + } + break; + default: + break; + } + QWidget::changeEvent(e); +} + +QRect QDesignerFormWindow::geometryHint() const +{ + const QPoint point(0, 0); + // If we have a container, we want to be just as big. + // QMdiSubWindow attempts to resize its children to sizeHint() when switching user interface modes. + if (QWidget *mainContainer = m_editor->mainContainer()) + return QRect(point, mainContainer->size()); + + return QRect(point, sizeHint()); +} + +QDesignerFormWindowInterface *QDesignerFormWindow::editor() const +{ + return m_editor; +} + +QDesignerWorkbench *QDesignerFormWindow::workbench() const +{ + return m_workbench; +} + +void QDesignerFormWindow::firstShow() +{ + // Set up handling of file name changes and set initial title. + if (!m_windowTitleInitialized) { + m_windowTitleInitialized = true; + if (m_editor) { + connect(m_editor, SIGNAL(fileNameChanged(QString)), this, SLOT(updateWindowTitle(QString))); + updateWindowTitle(m_editor->fileName()); + updateChanged(); + } + } + show(); +} + +int QDesignerFormWindow::getNumberOfUntitledWindows() const +{ + const int totalWindows = m_workbench->formWindowCount(); + if (!totalWindows) + return 0; + + int maxUntitled = 0; + // Find the number of untitled windows excluding ourselves. + // Do not fall for 'untitled.ui', match with modified place holder. + // This will cause some problems with i18n, but for now I need the string to be "static" + QRegExp rx(QLatin1String("untitled( (\\d+))?\\[\\*\\]")); + for (int i = 0; i < totalWindows; ++i) { + QDesignerFormWindow *fw = m_workbench->formWindow(i); + if (fw != this) { + const QString title = m_workbench->formWindow(i)->windowTitle(); + if (rx.indexIn(title) != -1) { + if (maxUntitled == 0) + ++maxUntitled; + if (rx.captureCount() > 1) { + const QString numberCapture = rx.cap(2); + if (!numberCapture.isEmpty()) + maxUntitled = qMax(numberCapture.toInt(), maxUntitled); + } + } + } + } + return maxUntitled; +} + +void QDesignerFormWindow::updateWindowTitle(const QString &fileName) +{ + if (!m_windowTitleInitialized) { + m_windowTitleInitialized = true; + if (m_editor) + connect(m_editor, SIGNAL(fileNameChanged(QString)), this, SLOT(updateWindowTitle(QString))); + } + + QString fileNameTitle; + if (fileName.isEmpty()) { + fileNameTitle = QLatin1String("untitled"); + if (const int maxUntitled = getNumberOfUntitledWindows()) { + fileNameTitle += QLatin1Char(' '); + fileNameTitle += QString::number(maxUntitled + 1); + } + } else { + fileNameTitle = QFileInfo(fileName).fileName(); + } + + if (const QWidget *mc = m_editor->mainContainer()) { + setWindowIcon(mc->windowIcon()); + setWindowTitle(tr("%1 - %2[*]").arg(mc->windowTitle()).arg(fileNameTitle)); + } else { + setWindowTitle(fileNameTitle); + } +} + +void QDesignerFormWindow::closeEvent(QCloseEvent *ev) +{ + if (m_editor->isDirty()) { + raise(); + QMessageBox box(QMessageBox::Information, tr("Save Form?"), + tr("Do you want to save the changes to this document before closing?"), + QMessageBox::Discard | QMessageBox::Cancel | QMessageBox::Save, m_editor); + box.setInformativeText(tr("If you don't save, your changes will be lost.")); + box.setWindowModality(Qt::WindowModal); + static_cast<QPushButton *>(box.button(QMessageBox::Save))->setDefault(true); + + switch (box.exec()) { + case QMessageBox::Save: { + bool ok = workbench()->saveForm(m_editor); + ev->setAccepted(ok); + m_editor->setDirty(!ok); + break; + } + case QMessageBox::Discard: + m_editor->setDirty(false); // Not really necessary, but stops problems if we get close again. + ev->accept(); + break; + case QMessageBox::Cancel: + ev->ignore(); + break; + } + } +} + +void QDesignerFormWindow::updateChanged() +{ + // Sometimes called after form window destruction. + if (m_editor) { + setWindowModified(m_editor->isDirty()); + updateWindowTitle(m_editor->fileName()); + } +} + +void QDesignerFormWindow::resizeEvent(QResizeEvent *rev) +{ + if(m_initialized) { + m_editor->setDirty(true); + setWindowModified(true); + } + + m_initialized = true; + QWidget::resizeEvent(rev); +} + +void QDesignerFormWindow::geometryChanged() +{ + // If the form window changes, re-update the geometry of the current widget in the property editor. + // Note that in the case of layouts, non-maincontainer widgets must also be updated, + // so, do not do it for the main container only + const QDesignerFormEditorInterface *core = m_editor->core(); + QObject *object = core->propertyEditor()->object(); + if (object == 0 || !object->isWidgetType()) + return; + static const QString geometryProperty = QLatin1String("geometry"); + const QDesignerPropertySheetExtension *sheet = qt_extension<QDesignerPropertySheetExtension*>(core->extensionManager(), object); + const int geometryIndex = sheet->indexOf(geometryProperty); + if (geometryIndex == -1) + return; + core->propertyEditor()->setPropertyValue(geometryProperty, sheet->property(geometryIndex)); +} + +QT_END_NAMESPACE |