qt_demoe/third/designer/qdesigner/qdesigner_workbench.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 "qdesigner_workbench.h"
#include "qdesigner.h"
#include "qdesigner_actions.h"
#include "qdesigner_appearanceoptions.h"
#include "qdesigner_settings.h"
#include "qdesigner_toolwindow.h"
#include "qdesigner_formwindow.h"
#include "appfontdialog.h"
#include <QtDesigner/QDesignerFormEditorInterface>
#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerFormWindowManagerInterface>
#include <QtDesigner/QDesignerFormEditorPluginInterface>
#include <QtDesigner/QDesignerWidgetBoxInterface>
#include <QtDesigner/QDesignerMetaDataBaseInterface>
#include <QtDesigner/QDesignerComponents>
#include <QtDesigner/private/qdesigner_integration_p.h>
#include <QtDesigner/private/pluginmanager_p.h>
#include <QtDesigner/private/formwindowbase_p.h>
#include <QtDesigner/private/actioneditor_p.h>
#include <QtCore/QDir>
#include <QtCore/QFile>
#include <QtCore/QUrl>
#include <QtCore/QTimer>
#include <QtCore/QPluginLoader>
#include <QtCore/qdebug.h>
#include <QtGui/QActionGroup>
#include <QtGui/QCloseEvent>
#include <QtGui/QDesktopWidget>
#include <QtGui/QDockWidget>
#include <QtGui/QMenu>
#include <QtGui/QMenuBar>
#include <QtGui/QMessageBox>
#include <QtGui/QPushButton>
#include <QtGui/QToolBar>
#include <QtGui/QMdiArea>
#include <QtGui/QMdiSubWindow>
#include <QtGui/QLayout>
QT_BEGIN_NAMESPACE
static const char *appFontPrefixC = "AppFonts";
typedef QList<QAction *> ActionList;
static QMdiSubWindow *mdiSubWindowOf(const QWidget *w)
{
QMdiSubWindow *rc = qobject_cast<QMdiSubWindow *>(w->parentWidget());
Q_ASSERT(rc);
return rc;
}
static QDockWidget *dockWidgetOf(const QWidget *w)
{
for (QWidget *parentWidget = w->parentWidget(); parentWidget ; parentWidget = parentWidget->parentWidget()) {
if (QDockWidget *dw = qobject_cast<QDockWidget *>(parentWidget)) {
return dw;
}
}
Q_ASSERT("Dock widget not found");
return 0;
}
// ------------ QDesignerWorkbench::Position
QDesignerWorkbench::Position::Position(const QMdiSubWindow *mdiSubWindow, const QPoint &mdiAreaOffset) :
m_minimized(mdiSubWindow->isShaded()),
m_position(mdiSubWindow->pos() + mdiAreaOffset)
{
}
QDesignerWorkbench::Position::Position(const QDockWidget *dockWidget) :
m_minimized(dockWidget->isMinimized()),
m_position(dockWidget->pos())
{
}
QDesignerWorkbench::Position::Position(const QWidget *topLevelWindow, const QPoint &desktopTopLeft)
{
const QWidget *window =topLevelWindow->window ();
Q_ASSERT(window);
m_minimized = window->isMinimized();
m_position = window->pos() - desktopTopLeft;
}
void QDesignerWorkbench::Position::applyTo(QMdiSubWindow *mdiSubWindow,
const QPoint &mdiAreaOffset) const
{
// QMdiSubWindow attempts to resize its children to sizeHint() when switching user interface modes.
// Restore old size
const QPoint mdiAreaPos = QPoint(qMax(0, m_position.x() - mdiAreaOffset.x()),
qMax(0, m_position.y() - mdiAreaOffset.y()));
mdiSubWindow->move(mdiAreaPos);
const QSize decorationSize = mdiSubWindow->size() - mdiSubWindow->contentsRect().size();
mdiSubWindow->resize(mdiSubWindow->widget()->size() + decorationSize);
mdiSubWindow->show();
if (m_minimized) {
mdiSubWindow->showShaded();
}
}
void QDesignerWorkbench::Position::applyTo(QWidget *topLevelWindow, const QPoint &desktopTopLeft) const
{
QWidget *window = topLevelWindow->window ();
const QPoint newPos = m_position + desktopTopLeft;
window->move(newPos);
if ( m_minimized) {
topLevelWindow->showMinimized();
} else {
topLevelWindow->show();
}
}
void QDesignerWorkbench::Position::applyTo(QDockWidget *dockWidget) const
{
dockWidget->widget()->setVisible(true);
dockWidget->setVisible(!m_minimized);
}
static inline void addActionsToMenu(QMenu *m, const ActionList &al)
{
const ActionList::const_iterator cend = al.constEnd();
for (ActionList::const_iterator it = al.constBegin(); it != cend; ++it)
m->addAction(*it);
}
static inline QMenu *addMenu(QMenuBar *mb, const QString &title, const ActionList &al)
{
QMenu *rc = mb->addMenu(title);
addActionsToMenu(rc, al);
return rc;
}
// -------- QDesignerWorkbench
QDesignerWorkbench::QDesignerWorkbench() :
m_core(QDesignerComponents::createFormEditor(this)),
m_windowActions(new QActionGroup(this)),
m_globalMenuBar(new QMenuBar),
m_mode(NeutralMode),
m_dockedMainWindow(0),
m_state(StateInitializing)
{
QDesignerSettings settings(m_core);
(void) QDesignerComponents::createTaskMenu(core(), this);
initializeCorePlugins();
QDesignerComponents::initializePlugins(core());
m_actionManager = new QDesignerActions(this); // accesses plugin components
m_windowActions->setExclusive(true);
connect(m_windowActions, SIGNAL(triggered(QAction*)), this, SLOT(formWindowActionTriggered(QAction*)));
// Build main menu bar
addMenu(m_globalMenuBar, tr("&File"), m_actionManager->fileActions()->actions());
QMenu *editMenu = addMenu(m_globalMenuBar, tr("Edit"), m_actionManager->editActions()->actions());
editMenu->addSeparator();
addActionsToMenu(editMenu, m_actionManager->toolActions()->actions());
QMenu *formMenu = addMenu(m_globalMenuBar, tr("F&orm"), m_actionManager->formActions()->actions());
QMenu *previewSubMenu = new QMenu(tr("Preview in"), formMenu);
formMenu->insertMenu(m_actionManager->previewFormAction(), previewSubMenu);
addActionsToMenu(previewSubMenu, m_actionManager->styleActions()->actions());
QMenu *viewMenu = m_globalMenuBar->addMenu(tr("&View"));
addMenu(m_globalMenuBar, tr("&Settings"), m_actionManager->settingsActions()->actions());
m_windowMenu = addMenu(m_globalMenuBar, tr("&Window"), m_actionManager->windowActions()->actions());
addMenu(m_globalMenuBar, tr("&Help"), m_actionManager->helpActions()->actions());
// Add the tools in view menu order
QActionGroup *viewActions = new QActionGroup(this);
viewActions->setExclusive(false);
for (int i = 0; i < QDesignerToolWindow::StandardToolWindowCount; i++) {
QDesignerToolWindow *toolWindow = QDesignerToolWindow::createStandardToolWindow(static_cast< QDesignerToolWindow::StandardToolWindow>(i), this);
m_toolWindows.push_back(toolWindow);
if (QAction *action = toolWindow->action()) {
viewMenu->addAction(action);
viewActions->addAction(action);
}
// The widget box becomes the main window in top level mode
if (i == QDesignerToolWindow::WidgetBox)
connect(toolWindow, SIGNAL(closeEventReceived(QCloseEvent*)), this, SLOT(handleCloseEvent(QCloseEvent*)));
}
// Integration
m_integration = new qdesigner_internal::QDesignerIntegration(m_core, this);
connect(m_integration, SIGNAL(helpRequested(QString,QString)), m_actionManager, SLOT(helpRequested(QString,QString)));
// remaining view options (config toolbars)
viewMenu->addSeparator();
m_toolbarMenu = viewMenu->addMenu(tr("Toolbars"));
emit initialized();
connect(m_core->formWindowManager(), SIGNAL(activeFormWindowChanged(QDesignerFormWindowInterface*)),
this, SLOT(updateWindowMenu(QDesignerFormWindowInterface*)));
{ // Add application specific options pages
QDesignerAppearanceOptionsPage *appearanceOptions = new QDesignerAppearanceOptionsPage(m_core);
connect(appearanceOptions, SIGNAL(settingsChangedDelayed()), this, SLOT(restoreUISettings()));
QList<QDesignerOptionsPageInterface*> optionsPages = m_core->optionsPages();
optionsPages.push_front(appearanceOptions);
m_core->setOptionsPages(optionsPages);
}
restoreUISettings();
AppFontWidget::restore(m_core->settingsManager(), QLatin1String(appFontPrefixC));
m_state = StateUp;
}
QDesignerWorkbench::~QDesignerWorkbench()
{
switch (m_mode) {
case NeutralMode:
case DockedMode:
qDeleteAll(m_toolWindows);
break;
case TopLevelMode: // Everything parented here
delete widgetBoxToolWindow();
break;
}
}
void QDesignerWorkbench::saveGeometriesForModeChange()
{
m_Positions.clear();
switch (m_mode) {
case NeutralMode:
break;
case TopLevelMode: {
const QPoint desktopOffset = QApplication::desktop()->availableGeometry().topLeft();
foreach (QDesignerToolWindow *tw, m_toolWindows)
m_Positions.insert(tw, Position(tw, desktopOffset));
foreach (QDesignerFormWindow *fw, m_formWindows) {
m_Positions.insert(fw, Position(fw, desktopOffset));
}
}
break;
case DockedMode: {
const QPoint mdiAreaOffset = m_dockedMainWindow->mdiArea()->pos();
foreach (QDesignerToolWindow *tw, m_toolWindows) {
m_Positions.insert(tw, Position(dockWidgetOf(tw)));
}
foreach (QDesignerFormWindow *fw, m_formWindows) {
m_Positions.insert(fw, Position(mdiSubWindowOf(fw), mdiAreaOffset));
}
}
break;
}
}
UIMode QDesignerWorkbench::mode() const
{
return m_mode;
}
void QDesignerWorkbench::addFormWindow(QDesignerFormWindow *formWindow)
{
// ### Q_ASSERT(formWindow->windowTitle().isEmpty() == false);
m_formWindows.append(formWindow);
m_actionManager->setWindowListSeparatorVisible(true);
if (QAction *action = formWindow->action()) {
m_windowActions->addAction(action);
m_windowMenu->addAction(action);
action->setChecked(true);
}
m_actionManager->minimizeAction()->setEnabled(true);
m_actionManager->minimizeAction()->setChecked(false);
connect(formWindow, SIGNAL(minimizationStateChanged(QDesignerFormWindowInterface*,bool)),
this, SLOT(minimizationStateChanged(QDesignerFormWindowInterface*,bool)));
m_actionManager->editWidgets()->trigger();
}
Qt::WindowFlags QDesignerWorkbench::magicalWindowFlags(const QWidget *widgetForFlags) const
{
switch (m_mode) {
case TopLevelMode: {
#ifdef Q_WS_MAC
if (qobject_cast<const QDesignerToolWindow *>(widgetForFlags))
return Qt::Tool;
#else
Q_UNUSED(widgetForFlags);
#endif
return Qt::Window;
}
case DockedMode:
return Qt::Window | Qt::WindowShadeButtonHint | Qt::WindowSystemMenuHint | Qt::WindowTitleHint;
case NeutralMode:
return Qt::Window;
default:
Q_ASSERT(0);
return 0;
}
}
QWidget *QDesignerWorkbench::magicalParent(const QWidget *w) const
{
switch (m_mode) {
case TopLevelMode: {
// Use widget box as parent for all windows except self. This will
// result in having just one entry in the MS Windows task bar.
QWidget *widgetBoxWrapper = widgetBoxToolWindow();
return w == widgetBoxWrapper ? 0 : widgetBoxWrapper;
}
case DockedMode:
return m_dockedMainWindow->mdiArea();
case NeutralMode:
return 0;
default:
Q_ASSERT(0);
return 0;
}
}
void QDesignerWorkbench::switchToNeutralMode()
{
QDesignerSettings settings(m_core);
saveGeometries(settings);
saveGeometriesForModeChange();
if (m_mode == TopLevelMode) {
delete m_topLevelData.toolbarManager;
m_topLevelData.toolbarManager = 0;
qDeleteAll(m_topLevelData.toolbars);
m_topLevelData.toolbars.clear();
}
m_mode = NeutralMode;
foreach (QDesignerToolWindow *tw, m_toolWindows) {
tw->setCloseEventPolicy(MainWindowBase::AcceptCloseEvents);
tw->setParent(0);
}
foreach (QDesignerFormWindow *fw, m_formWindows) {
fw->setParent(0);
fw->setMaximumSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX);
}
#ifndef Q_WS_MAC
m_globalMenuBar->setParent(0);
#endif
m_core->setTopLevel(0);
qDesigner->setMainWindow(0);
delete m_dockedMainWindow;
m_dockedMainWindow = 0;
}
void QDesignerWorkbench::switchToDockedMode()
{
if (m_mode == DockedMode)
return;
switchToNeutralMode();
#ifndef Q_WS_MAC
QDesignerToolWindow *widgetBoxWrapper = widgetBoxToolWindow();
widgetBoxWrapper->action()->setVisible(true);
widgetBoxWrapper->setWindowTitle(tr("Widget Box"));
#endif
m_mode = DockedMode;
const QDesignerSettings settings(m_core);
m_dockedMainWindow = new DockedMainWindow(this, m_toolbarMenu, m_toolWindows);
m_dockedMainWindow->setUnifiedTitleAndToolBarOnMac(true);
m_dockedMainWindow->setCloseEventPolicy(MainWindowBase::EmitCloseEventSignal);
connect(m_dockedMainWindow, SIGNAL(closeEventReceived(QCloseEvent*)), this, SLOT(handleCloseEvent(QCloseEvent*)));
connect(m_dockedMainWindow, SIGNAL(fileDropped(QString)), this, SLOT(slotFileDropped(QString)));
connect(m_dockedMainWindow, SIGNAL(formWindowActivated(QDesignerFormWindow*)), this, SLOT(slotFormWindowActivated(QDesignerFormWindow*)));
m_dockedMainWindow->restoreSettings(settings, m_dockedMainWindow->addToolWindows(m_toolWindows), desktopGeometry());
m_core->setTopLevel(m_dockedMainWindow);
#ifndef Q_WS_MAC
m_dockedMainWindow->setMenuBar(m_globalMenuBar);
m_globalMenuBar->show();
#endif
qDesigner->setMainWindow(m_dockedMainWindow);
foreach (QDesignerFormWindow *fw, m_formWindows) {
QMdiSubWindow *subwin = m_dockedMainWindow->createMdiSubWindow(fw, magicalWindowFlags(fw),
m_actionManager->closeFormAction()->shortcut());
subwin->hide();
if (QWidget *mainContainer = fw->editor()->mainContainer())
resizeForm(fw, mainContainer);
}
m_actionManager->setBringAllToFrontVisible(false);
m_dockedMainWindow->show();
// Trigger adjustMDIFormPositions() delayed as viewport size is not yet known.
if (m_state != StateInitializing)
QMetaObject::invokeMethod(this, "adjustMDIFormPositions", Qt::QueuedConnection);
}
void QDesignerWorkbench::adjustMDIFormPositions()
{
const QPoint mdiAreaOffset = m_dockedMainWindow->mdiArea()->pos();
foreach (QDesignerFormWindow *fw, m_formWindows) {
const PositionMap::const_iterator pit = m_Positions.constFind(fw);
if (pit != m_Positions.constEnd())
pit->applyTo(mdiSubWindowOf(fw), mdiAreaOffset);
}
}
void QDesignerWorkbench::switchToTopLevelMode()
{
if (m_mode == TopLevelMode)
return;
// make sure that the widgetbox is visible if it is different from neutral.
QDesignerToolWindow *widgetBoxWrapper = widgetBoxToolWindow();
Q_ASSERT(widgetBoxWrapper);
switchToNeutralMode();
const QPoint desktopOffset = desktopGeometry().topLeft();
m_mode = TopLevelMode;
// The widget box is special, it gets the menubar and gets to be the main widget.
m_core->setTopLevel(widgetBoxWrapper);
#ifndef Q_WS_MAC
widgetBoxWrapper->setMenuBar(m_globalMenuBar);
widgetBoxWrapper->action()->setVisible(false);
widgetBoxWrapper->setCloseEventPolicy(MainWindowBase::EmitCloseEventSignal);
qDesigner->setMainWindow(widgetBoxWrapper);
widgetBoxWrapper->setWindowTitle(MainWindowBase::mainWindowTitle());
#endif
const QDesignerSettings settings(m_core);
m_topLevelData.toolbars = MainWindowBase::createToolBars(m_actionManager, false);
m_topLevelData.toolbarManager = new ToolBarManager(widgetBoxWrapper, widgetBoxWrapper,
m_toolbarMenu, m_actionManager,
m_topLevelData.toolbars, m_toolWindows);
const int toolBarCount = m_topLevelData.toolbars.size();
for (int i = 0; i < toolBarCount; i++) {
widgetBoxWrapper->addToolBar(m_topLevelData.toolbars.at(i));
if (i == 3)
widgetBoxWrapper->insertToolBarBreak(m_topLevelData.toolbars.at(i));
}
m_topLevelData.toolbarManager->restoreState(settings.toolBarsState(m_mode), MainWindowBase::settingsVersion());
widgetBoxWrapper->restoreState(settings.mainWindowState(m_mode), MainWindowBase::settingsVersion());
bool found_visible_window = false;
foreach (QDesignerToolWindow *tw, m_toolWindows) {
tw->setParent(magicalParent(tw), magicalWindowFlags(tw));
settings.restoreGeometry(tw, tw->geometryHint());
tw->action()->setChecked(tw->isVisible());
found_visible_window |= tw->isVisible();
}
if (!m_toolWindows.isEmpty() && !found_visible_window)
m_toolWindows.first()->show();
m_actionManager->setBringAllToFrontVisible(true);
foreach (QDesignerFormWindow *fw, m_formWindows) {
fw->setParent(magicalParent(fw), magicalWindowFlags(fw));
fw->setAttribute(Qt::WA_DeleteOnClose, true);
const PositionMap::const_iterator pit = m_Positions.constFind(fw);
if (pit != m_Positions.constEnd()) pit->applyTo(fw, desktopOffset);
// Force an activate in order to refresh minimumSize, otherwise it will not be respected
if (QLayout *layout = fw->layout())
layout->invalidate();
if (QWidget *mainContainer = fw->editor()->mainContainer())
resizeForm(fw, mainContainer);
}
}
QDesignerFormWindowManagerInterface *QDesignerWorkbench::formWindowManager() const
{
return m_core->formWindowManager();
}
QDesignerFormEditorInterface *QDesignerWorkbench::core() const
{
return m_core;
}
int QDesignerWorkbench::toolWindowCount() const
{
return m_toolWindows.count();
}
QDesignerToolWindow *QDesignerWorkbench::toolWindow(int index) const
{
return m_toolWindows.at(index);
}
int QDesignerWorkbench::formWindowCount() const
{
return m_formWindows.count();
}
QDesignerFormWindow *QDesignerWorkbench::formWindow(int index) const
{
return m_formWindows.at(index);
}
QRect QDesignerWorkbench::desktopGeometry() const
{
// Return geometry of the desktop designer is running in.
QWidget *widget = 0;
switch (m_mode) {
case DockedMode:
widget = m_dockedMainWindow;
break;
case TopLevelMode:
widget = widgetBoxToolWindow();
break;
case NeutralMode:
break;
}
const QDesktopWidget *desktop = qApp->desktop();
const int screenNumber = widget ? desktop->screenNumber(widget) : 0;
return desktop->availableGeometry(screenNumber);
}
QRect QDesignerWorkbench::availableGeometry() const
{
if (m_mode == DockedMode)
return m_dockedMainWindow->mdiArea()->geometry();
const QDesktopWidget *desktop = qDesigner->desktop();
return desktop->availableGeometry(desktop->screenNumber(widgetBoxToolWindow()));
}
int QDesignerWorkbench::marginHint() const
{ return 20;
}
void QDesignerWorkbench::slotFormWindowActivated(QDesignerFormWindow* fw)
{
core()->formWindowManager()->setActiveFormWindow(fw->editor());
}
void QDesignerWorkbench::removeFormWindow(QDesignerFormWindow *formWindow)
{
QDesignerFormWindowInterface *editor = formWindow->editor();
const bool loadOk = editor->mainContainer();
updateBackup(editor);
const int index = m_formWindows.indexOf(formWindow);
if (index != -1) {
m_formWindows.removeAt(index);
}
if (QAction *action = formWindow->action()) {
m_windowActions->removeAction(action);
m_windowMenu->removeAction(action);
}
if (m_formWindows.empty()) {
m_actionManager->setWindowListSeparatorVisible(false);
// Show up new form dialog unless closing
if (loadOk && m_state == StateUp
&& QDesignerSettings(m_core).showNewFormOnStartup()) {
QTimer::singleShot(200, m_actionManager, SLOT(createForm()));
}
}
}
void QDesignerWorkbench::initializeCorePlugins()
{
QList<QObject*> plugins = QPluginLoader::staticInstances();
plugins += core()->pluginManager()->instances();
foreach (QObject *plugin, plugins) {
if (QDesignerFormEditorPluginInterface *formEditorPlugin = qobject_cast<QDesignerFormEditorPluginInterface*>(plugin)) {
if (!formEditorPlugin->isInitialized())
formEditorPlugin->initialize(core());
}
}
}
void QDesignerWorkbench::saveSettings() const
{
QDesignerSettings settings(m_core);
settings.clearBackup();
saveGeometries(settings);
AppFontWidget::save(m_core->settingsManager(), QLatin1String(appFontPrefixC));
}
void QDesignerWorkbench::saveGeometries(QDesignerSettings &settings) const
{
switch (m_mode) {
case DockedMode:
m_dockedMainWindow->saveSettings(settings);
break;
case TopLevelMode:
settings.setToolBarsState(m_mode, m_topLevelData.toolbarManager->saveState(MainWindowBase::settingsVersion()));
settings.setMainWindowState(m_mode, widgetBoxToolWindow()->saveState(MainWindowBase::settingsVersion()));
foreach (const QDesignerToolWindow *tw, m_toolWindows)
settings.saveGeometryFor(tw);
break;
case NeutralMode:
break;
}
}
void QDesignerWorkbench::slotFileDropped(const QString &f)
{
readInForm(f);
}
bool QDesignerWorkbench::readInForm(const QString &fileName) const
{
return m_actionManager->readInForm(fileName);
}
bool QDesignerWorkbench::writeOutForm(QDesignerFormWindowInterface *formWindow, const QString &fileName) const
{
return m_actionManager->writeOutForm(formWindow, fileName);
}
bool QDesignerWorkbench::saveForm(QDesignerFormWindowInterface *frm)
{
return m_actionManager->saveForm(frm);
}
QDesignerFormWindow *QDesignerWorkbench::findFormWindow(QWidget *widget) const
{
foreach (QDesignerFormWindow *formWindow, m_formWindows) {
if (formWindow->editor() == widget)
return formWindow;
}
return 0;
}
bool QDesignerWorkbench::handleClose()
{
m_state = StateClosing;
QList<QDesignerFormWindow *> dirtyForms;
foreach (QDesignerFormWindow *w, m_formWindows) {
if (w->editor()->isDirty())
dirtyForms << w;
}
if (dirtyForms.size()) {
if (dirtyForms.size() == 1) {
if (!dirtyForms.at(0)->close()) {
m_state = StateUp;
return false;
}
} else {
int count = dirtyForms.size();
QMessageBox box(QMessageBox::Warning, tr("Save Forms?"),
tr("There are %n forms with unsaved changes."
" Do you want to review these changes before quitting?", "", count),
QMessageBox::Cancel | QMessageBox::Discard | QMessageBox::Save);
box.setInformativeText(tr("If you do not review your documents, all your changes will be lost."));
box.button(QMessageBox::Discard)->setText(tr("Discard Changes"));
QPushButton *save = static_cast<QPushButton *>(box.button(QMessageBox::Save));
save->setText(tr("Review Changes"));
box.setDefaultButton(save);
switch (box.exec()) {
case QMessageBox::Cancel:
m_state = StateUp;
return false;
case QMessageBox::Save:
foreach (QDesignerFormWindow *fw, dirtyForms) {
fw->show();
fw->raise();
if (!fw->close()) {
m_state = StateUp;
return false;
}
}
break;
case QMessageBox::Discard:
foreach (QDesignerFormWindow *fw, dirtyForms) {
fw->editor()->setDirty(false);
fw->setWindowModified(false);
}
break;
}
}
}
foreach (QDesignerFormWindow *fw, m_formWindows)
fw->close();
saveSettings();
return true;
}
QDesignerActions *QDesignerWorkbench::actionManager() const
{
return m_actionManager;
}
void QDesignerWorkbench::updateWindowMenu(QDesignerFormWindowInterface *fwi)
{
bool minimizeChecked = false;
bool minimizeEnabled = false;
QDesignerFormWindow *activeFormWindow = 0;
do {
if (!fwi)
break;
activeFormWindow = qobject_cast<QDesignerFormWindow *>(fwi->parentWidget());
if (!activeFormWindow)
break;
minimizeEnabled = true;
minimizeChecked = isFormWindowMinimized(activeFormWindow);
} while (false) ;
m_actionManager->minimizeAction()->setEnabled(minimizeEnabled);
m_actionManager->minimizeAction()->setChecked(minimizeChecked);
if (!m_formWindows.empty()) {
const QList<QDesignerFormWindow*>::const_iterator cend = m_formWindows.constEnd();
for (QList<QDesignerFormWindow*>::const_iterator it = m_formWindows.constBegin(); it != cend; ++it)
(*it)->action()->setChecked(*it == activeFormWindow);
}
}
void QDesignerWorkbench::formWindowActionTriggered(QAction *a)
{
QDesignerFormWindow *fw = qobject_cast<QDesignerFormWindow *>(a->parentWidget());
Q_ASSERT(fw);
if (isFormWindowMinimized(fw))
setFormWindowMinimized(fw, false);
if (m_mode == DockedMode) {
if (QMdiSubWindow *subWindow = qobject_cast<QMdiSubWindow *>(fw->parent())) {
m_dockedMainWindow->mdiArea()->setActiveSubWindow(subWindow);
}
} else {
fw->activateWindow();
fw->raise();
}
}
void QDesignerWorkbench::closeAllToolWindows()
{
foreach (QDesignerToolWindow *tw, m_toolWindows)
tw->hide();
}
bool QDesignerWorkbench::readInBackup()
{
const QMap<QString, QString> backupFileMap = QDesignerSettings(m_core).backup();
if (backupFileMap.isEmpty())
return false;
const QMessageBox::StandardButton answer =
QMessageBox::question(0, tr("Backup Information"),
tr("The last session of Designer was not terminated correctly. "
"Backup files were left behind. Do you want to load them?"),
QMessageBox::Yes|QMessageBox::No, QMessageBox::Yes);
if (answer == QMessageBox::No)
return false;
const QString modifiedPlaceHolder = QLatin1String("[*]");
QMapIterator<QString, QString> it(backupFileMap);
while(it.hasNext()) {
it.next();
QString fileName = it.key();
fileName.remove(modifiedPlaceHolder);
if(m_actionManager->readInForm(it.value()))
formWindowManager()->activeFormWindow()->setFileName(fileName);
}
return true;
}
void QDesignerWorkbench::updateBackup(QDesignerFormWindowInterface* fwi)
{
QString fwn = QDir::convertSeparators(fwi->fileName());
if (fwn.isEmpty())
fwn = fwi->parentWidget()->windowTitle();
QDesignerSettings settings(m_core);
QMap<QString, QString> map = settings.backup();
map.remove(fwn);
settings.setBackup(map);
}
namespace {
void raiseWindow(QWidget *w) {
if (w->isMinimized())
w->setWindowState(w->windowState() & ~Qt::WindowMinimized);
w->raise();
}
}
void QDesignerWorkbench::bringAllToFront()
{
if (m_mode != TopLevelMode)
return;
foreach(QDesignerToolWindow *tw, m_toolWindows)
raiseWindow(tw);
foreach(QDesignerFormWindow *dfw, m_formWindows)
raiseWindow(dfw);
}
// Resize a form window taking MDI decorations into account
// Apply maximum size as there is no layout connection between
// the form's main container and the integration's outer
// container due to the tool widget stack.
void QDesignerWorkbench::resizeForm(QDesignerFormWindow *fw, const QWidget *mainContainer) const
{
const QSize containerSize = mainContainer->size();
const QSize containerMinimumSize = mainContainer->minimumSize();
const QSize containerMaximumSize = mainContainer->maximumSize();
if (m_mode != DockedMode) {
fw->resize(containerSize);
fw->setMaximumSize(containerMaximumSize);
return;
}
// get decorations and resize MDI
QMdiSubWindow *mdiSubWindow = qobject_cast<QMdiSubWindow *>(fw->parent());
Q_ASSERT(mdiSubWindow);
const QSize decorationSize = mdiSubWindow->geometry().size() - mdiSubWindow->contentsRect().size();
mdiSubWindow->resize(containerSize + decorationSize);
// In Qt::RightToLeft mode, the window can grow to be partially hidden by the right border.
const int mdiAreaWidth = m_dockedMainWindow->mdiArea()->width();
if (qApp->layoutDirection() == Qt::RightToLeft && mdiSubWindow->geometry().right() >= mdiAreaWidth)
mdiSubWindow->move(mdiAreaWidth - mdiSubWindow->width(), mdiSubWindow->pos().y());
if (containerMaximumSize == QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX)) {
mdiSubWindow->setMaximumSize(containerMaximumSize);
} else {
mdiSubWindow->setMaximumSize(containerMaximumSize + decorationSize);
}
}
// Load a form or return 0 and do cleanup. file name and editor file
// name in case of loading a template file.
QDesignerFormWindow * QDesignerWorkbench::loadForm(const QString &fileName,
bool detectLineTermiantorMode,
bool *uic3Converted,
QString *errorMessage)
{
QFile file(fileName);
qdesigner_internal::FormWindowBase::LineTerminatorMode mode = qdesigner_internal::FormWindowBase::NativeLineTerminator;
if (detectLineTermiantorMode) {
if (file.open(QFile::ReadOnly)) {
const QString text = QString::fromUtf8(file.readLine());
file.close();
const int lf = text.indexOf(QLatin1Char('\n'));
if (lf > 0 && text.at(lf-1) == QLatin1Char('\r')) {
mode = qdesigner_internal::FormWindowBase::CRLFLineTerminator;
} else if (lf >= 0) {
mode = qdesigner_internal::FormWindowBase::LFLineTerminator;
}
}
}
if (!file.open(QFile::ReadOnly|QFile::Text)) {
*errorMessage = tr("The file <b>%1</b> could not be opened.").arg(file.fileName());
return 0;
}
// Create a form
QDesignerFormWindowManagerInterface *formWindowManager = m_core->formWindowManager();
QDesignerFormWindow *formWindow = new QDesignerFormWindow(/*formWindow=*/ 0, this);
addFormWindow(formWindow);
QDesignerFormWindowInterface *editor = formWindow->editor();
Q_ASSERT(editor);
// Temporarily set the file name. It is needed when converting a UIC 3 file.
// In this case, the file name will we be cleared on return to force a save box.
editor->setFileName(fileName);
editor->setContents(&file);
if (qdesigner_internal::FormWindowBase *fwb = qobject_cast<qdesigner_internal::FormWindowBase *>(editor))
fwb->setLineTerminatorMode(mode);
switch (m_mode) {
case DockedMode: {
// below code must be after above call to setContents(), because setContents() may popup warning dialogs which would cause
// mdi sub window activation (because of dialogs internal call to processEvent or such)
// That activation could have worse consequences, e.g. NULL resource set for active form) before the form is loaded
QMdiSubWindow *subWin = m_dockedMainWindow->createMdiSubWindow(formWindow, magicalWindowFlags(formWindow), m_actionManager->closeFormAction()->shortcut());
m_dockedMainWindow->mdiArea()->setActiveSubWindow(subWin);
}
break;
case TopLevelMode: {
const QRect formWindowGeometryHint = formWindow->geometryHint();
formWindow->setAttribute(Qt::WA_DeleteOnClose, true);
formWindow->setParent(magicalParent(formWindow), magicalWindowFlags(formWindow));
formWindow->resize(formWindowGeometryHint.size());
formWindow->move(availableGeometry().center() - formWindowGeometryHint.center());
}
break;
case NeutralMode:
break;
}
if (!editor->mainContainer()) {
removeFormWindow(formWindow);
formWindowManager->removeFormWindow(editor);
m_core->metaDataBase()->remove(editor);
*errorMessage = tr("The file <b>%1</b> is not a valid Designer UI file.").arg(file.fileName());
return 0;
}
*uic3Converted = editor->fileName().isEmpty();
editor->setDirty(false);
resizeForm(formWindow, editor->mainContainer());
formWindowManager->setActiveFormWindow(editor);
return formWindow;
}
QDesignerFormWindow * QDesignerWorkbench::openForm(const QString &fileName, QString *errorMessage)
{
bool uic3Converted;
QDesignerFormWindow *rc =loadForm(fileName, true, &uic3Converted, errorMessage);
if (!rc)
return 0;
if (!uic3Converted)
rc->editor()->setFileName(fileName);
rc->firstShow();
return rc;
}
QDesignerFormWindow * QDesignerWorkbench::openTemplate(const QString &templateFileName,
const QString &editorFileName,
QString *errorMessage)
{
bool uic3Converted;
QDesignerFormWindow *rc =loadForm(templateFileName, false, &uic3Converted, errorMessage);
if (!rc)
return 0;
if (!uic3Converted)
rc->editor()->setFileName(editorFileName);
rc->firstShow();
return rc;
}
void QDesignerWorkbench::minimizationStateChanged(QDesignerFormWindowInterface *formWindow, bool minimized)
{
// refresh the minimize action state
if (core()->formWindowManager()->activeFormWindow() == formWindow) {
m_actionManager->minimizeAction()->setChecked(minimized);
}
}
void QDesignerWorkbench::toggleFormMinimizationState()
{
QDesignerFormWindowInterface *fwi = core()->formWindowManager()->activeFormWindow();
if (!fwi || m_mode == NeutralMode)
return;
QDesignerFormWindow *fw = qobject_cast<QDesignerFormWindow *>(fwi->parentWidget());
Q_ASSERT(fw);
setFormWindowMinimized(fw, !isFormWindowMinimized(fw));
}
bool QDesignerWorkbench::isFormWindowMinimized(const QDesignerFormWindow *fw)
{
switch (m_mode) {
case DockedMode:
return mdiSubWindowOf(fw)->isShaded();
case TopLevelMode:
return fw->window()->isMinimized();
default:
break;
}
return fw->isMinimized();
}
void QDesignerWorkbench::setFormWindowMinimized(QDesignerFormWindow *fw, bool minimized)
{
switch (m_mode) {
case DockedMode: {
QMdiSubWindow *mdiSubWindow = mdiSubWindowOf(fw);
if (minimized) {
mdiSubWindow->showShaded();
} else {
mdiSubWindow->setWindowState(mdiSubWindow->windowState() & ~Qt::WindowMinimized);
}
}
break;
case TopLevelMode: {
QWidget *window = fw->window();
if (window->isMinimized()) {
window->setWindowState(window->windowState() & ~Qt::WindowMinimized);
} else {
window->showMinimized();
}
}
break;
default:
break;
}
}
void QDesignerWorkbench::restoreUISettings()
{
UIMode mode = QDesignerSettings(m_core).uiMode();
switch (mode) {
case TopLevelMode:
switchToTopLevelMode();
break;
case DockedMode:
switchToDockedMode();
break;
default: Q_ASSERT(0);
}
ToolWindowFontSettings fontSettings = QDesignerSettings(m_core).toolWindowFont();
const QFont &font = fontSettings.m_useFont ? fontSettings.m_font : qApp->font();
if (font == m_toolWindows.front()->font())
return;
foreach(QDesignerToolWindow *tw, m_toolWindows)
tw->setFont(font);
}
void QDesignerWorkbench::handleCloseEvent(QCloseEvent *ev)
{
ev->setAccepted(handleClose());
if (ev->isAccepted())
QMetaObject::invokeMethod(qDesigner, "quit", Qt::QueuedConnection); // We're going down!
}
QDesignerToolWindow *QDesignerWorkbench::widgetBoxToolWindow() const
{
return m_toolWindows.at(QDesignerToolWindow::WidgetBox);
}
QT_END_NAMESPACE