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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "qdesigner_formwindow.h"
#include "qdesigner_workbench.h"
#include "formwindowbase_p.h"
// sdk
#include <QtDesigner/abstractformwindow.h>
#include <QtDesigner/abstractformeditor.h>
#include <QtDesigner/propertysheet.h>
#include <QtDesigner/abstractpropertyeditor.h>
#include <QtDesigner/abstractformwindowmanager.h>
#include <QtDesigner/taskmenu.h>
#include <QtDesigner/qextensionmanager.h>
#include <QtWidgets/qfiledialog.h>
#include <QtWidgets/qmessagebox.h>
#include <QtWidgets/qpushbutton.h>
#include <QtWidgets/qboxlayout.h>
#include <QtGui/qaction.h>
#include <QtGui/qevent.h>
#include <QtGui/qundostack.h>
#include <QtCore/qfile.h>
#include <QtCore/qregularexpression.h>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
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))
{
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->setContentsMargins(QMargins());
l->addWidget(m_editor);
m_action->setCheckable(true);
connect(m_editor->commandHistory(), &QUndoStack::indexChanged, this, &QDesignerFormWindow::updateChanged);
connect(m_editor.data(), &QDesignerFormWindowInterface::geometryChanged,
this, &QDesignerFormWindow::slotGeometryChanged);
}
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("[*]"_L1));
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.data(), &QDesignerFormWindowInterface::fileNameChanged,
this, &QDesignerFormWindow::updateWindowTitle);
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"
static const QRegularExpression rx(u"untitled( (\\d+))?\\[\\*\\]$"_s);
Q_ASSERT(rx.isValid());
for (int i = 0; i < totalWindows; ++i) {
QDesignerFormWindow *fw = m_workbench->formWindow(i);
if (fw != this) {
const QString title = m_workbench->formWindow(i)->windowTitle();
const QRegularExpressionMatch match = rx.match(title);
if (match.hasMatch()) {
if (maxUntitled == 0)
++maxUntitled;
if (match.lastCapturedIndex() >= 2) {
const auto numberCapture = match.capturedView(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.data(), &QDesignerFormWindowInterface::fileNameChanged,
this, &QDesignerFormWindow::updateWindowTitle);
}
QString fileNameTitle;
if (fileName.isEmpty()) {
fileNameTitle += "untitled"_L1;
if (const int maxUntitled = getNumberOfUntitledWindows()) {
fileNameTitle += u' ' + 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(), 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::slotGeometryChanged()
{
// 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 == nullptr || !object->isWidgetType())
return;
static const QString geometryProperty = u"geometry"_s;
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
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