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|
/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// components/formeditor
#include "formwindowmanager.h"
#include "formwindow_dnditem.h"
#include "formwindow.h"
#include "formeditor.h"
#include "widgetselection.h"
#include "previewactiongroup.h"
#include "formwindowsettings.h"
// shared
#include <widgetdatabase_p.h>
#include <iconloader_p.h>
#include <connectionedit_p.h>
#include <qtresourcemodel_p.h>
#include <qdesigner_dnditem_p.h>
#include <qdesigner_command_p.h>
#include <qdesigner_command2_p.h>
#include <layoutinfo_p.h>
#include <qlayout_widget_p.h>
#include <qdesigner_objectinspector_p.h>
#include <actioneditor_p.h>
#include <shared_settings_p.h>
#include <previewmanager_p.h>
#include <abstractdialoggui_p.h>
#include <widgetfactory_p.h>
#include <spacer_widget_p.h>
// SDK
#include <QtDesigner/QExtensionManager>
#include <QtDesigner/QDesignerLanguageExtension>
#include <QtDesigner/QDesignerContainerExtension>
#include <QtDesigner/QDesignerWidgetBoxInterface>
#include <QtDesigner/QDesignerIntegrationInterface>
#include <QtGui/QUndoGroup>
#include <QtGui/QAction>
#include <QtGui/QSplitter>
#include <QtGui/QMouseEvent>
#include <QtGui/QApplication>
#include <QtGui/QSizeGrip>
#include <QtGui/QClipboard>
#include <QtGui/QMdiArea>
#include <QtGui/QMdiSubWindow>
#include <QtGui/QDesktopWidget>
#include <QtGui/QMessageBox>
#include <QtCore/qdebug.h>
QT_BEGIN_NAMESPACE
namespace {
enum { debugFWM = 0 };
}
static inline QString whatsThisFrom(const QString &str) { /// ### implement me!
return str;
}
// find the first child of w in a sequence
template <class Iterator>
static inline Iterator findFirstChildOf(Iterator it,Iterator end, const QWidget *w)
{
for (;it != end; ++it) {
if (w->isAncestorOf(*it))
return it;
}
return it;
}
namespace qdesigner_internal {
FormWindowManager::FormWindowManager(QDesignerFormEditorInterface *core, QObject *parent) :
QDesignerFormWindowManager(parent),
m_core(core),
m_activeFormWindow(0),
m_previewManager(new PreviewManager(PreviewManager::SingleFormNonModalPreview, this)),
m_createLayoutContext(LayoutContainer),
m_morphLayoutContainer(0),
m_actionGroupPreviewInStyle(0),
m_actionShowFormWindowSettingsDialog(0)
{
setupActions();
qApp->installEventFilter(this);
}
FormWindowManager::~FormWindowManager()
{
qDeleteAll(m_formWindows);
}
QDesignerFormEditorInterface *FormWindowManager::core() const
{
return m_core;
}
QDesignerFormWindowInterface *FormWindowManager::activeFormWindow() const
{
return m_activeFormWindow;
}
int FormWindowManager::formWindowCount() const
{
return m_formWindows.size();
}
QDesignerFormWindowInterface *FormWindowManager::formWindow(int index) const
{
return m_formWindows.at(index);
}
bool FormWindowManager::eventFilter(QObject *o, QEvent *e)
{
if (!o->isWidgetType())
return false;
// If we don't have an active form, we only listen for WindowActivate to speed up integrations
const QEvent::Type eventType = e->type();
if (m_activeFormWindow == 0 && eventType != QEvent::WindowActivate)
return false;
switch (eventType) { // Uninteresting events
case QEvent::Create:
case QEvent::Destroy:
case QEvent::AccessibilityDescription:
case QEvent::AccessibilityHelp:
case QEvent::AccessibilityPrepare:
case QEvent::ActionAdded:
case QEvent::ActionChanged:
case QEvent::ActionRemoved:
case QEvent::ChildAdded:
case QEvent::ChildPolished:
case QEvent::ChildRemoved:
case QEvent::Clipboard:
case QEvent::ContentsRectChange:
case QEvent::DeferredDelete:
case QEvent::FileOpen:
case QEvent::LanguageChange:
case QEvent::MetaCall:
case QEvent::ModifiedChange:
case QEvent::Paint:
case QEvent::PaletteChange:
case QEvent::ParentAboutToChange:
case QEvent::ParentChange:
case QEvent::Polish:
case QEvent::PolishRequest:
case QEvent::QueryWhatsThis:
case QEvent::StatusTip:
case QEvent::StyleChange:
case QEvent::Timer:
case QEvent::ToolBarChange:
case QEvent::ToolTip:
case QEvent::WhatsThis:
case QEvent::WhatsThisClicked:
case QEvent::WinIdChange:
case QEvent::DynamicPropertyChange:
case QEvent::HoverEnter:
case QEvent::HoverLeave:
case QEvent::HoverMove:
case QEvent::AcceptDropsChange:
return false;
default:
break;
}
QWidget *widget = static_cast<QWidget*>(o);
if (qobject_cast<WidgetHandle*>(widget)) { // ### remove me
return false;
}
FormWindow *fw = FormWindow::findFormWindow(widget);
if (fw == 0) {
return false;
}
if (QWidget *managedWidget = findManagedWidget(fw, widget)) {
// Prevent MDI and QWorkspace subwindows from being closed by clicking at the title bar
if (managedWidget != widget && eventType == QEvent::Close) {
e->ignore();
return true;
}
switch (eventType) {
case QEvent::WindowActivate: {
if (fw->parentWidget()->isWindow() && fw->isMainContainer(managedWidget) && activeFormWindow() != fw) {
setActiveFormWindow(fw);
}
} break;
case QEvent::WindowDeactivate: {
if (o == fw && o == activeFormWindow())
fw->repaintSelection();
} break;
case QEvent::KeyPress: {
QKeyEvent *ke = static_cast<QKeyEvent*>(e);
if (ke->key() == Qt::Key_Escape) {
ke->accept();
return true;
}
}
// don't break...
// Embedded Design: Drop on different form: Make sure the right form
// window/device is active before having the widget created by the factory
case QEvent::Drop:
if (activeFormWindow() != fw)
setActiveFormWindow(fw);
// don't break...
default: {
if (fw->handleEvent(widget, managedWidget, e)) {
return true;
}
} break;
} // end switch
}
return false;
}
void FormWindowManager::addFormWindow(QDesignerFormWindowInterface *w)
{
FormWindow *formWindow = qobject_cast<FormWindow*>(w);
if (!formWindow || m_formWindows.contains(formWindow))
return;
connect(formWindow, SIGNAL(selectionChanged()), this, SLOT(slotUpdateActions()));
connect(formWindow->commandHistory(), SIGNAL(indexChanged(int)), this, SLOT(slotUpdateActions()));
connect(formWindow, SIGNAL(toolChanged(int)), this, SLOT(slotUpdateActions()));
if (ActionEditor *ae = qobject_cast<ActionEditor *>(m_core->actionEditor()))
connect(w, SIGNAL(mainContainerChanged(QWidget*)), ae, SLOT(mainContainerChanged()));
if (QDesignerObjectInspector *oi = qobject_cast<QDesignerObjectInspector *>(m_core->objectInspector()))
connect(w, SIGNAL(mainContainerChanged(QWidget*)), oi, SLOT(mainContainerChanged()));
m_formWindows.append(formWindow);
emit formWindowAdded(formWindow);
}
void FormWindowManager::removeFormWindow(QDesignerFormWindowInterface *w)
{
FormWindow *formWindow = qobject_cast<FormWindow*>(w);
int idx = m_formWindows.indexOf(formWindow);
if (!formWindow || idx == -1)
return;
formWindow->disconnect(this);
m_formWindows.removeAt(idx);
emit formWindowRemoved(formWindow);
if (formWindow == m_activeFormWindow)
setActiveFormWindow(0);
if (m_formWindows.size() == 0
&& m_core->widgetBox()) {
// Make sure that widget box is enabled by default
m_core->widgetBox()->setEnabled(true);
}
}
void FormWindowManager::setActiveFormWindow(QDesignerFormWindowInterface *w)
{
FormWindow *formWindow = qobject_cast<FormWindow*>(w);
if (formWindow == m_activeFormWindow)
return;
FormWindow *old = m_activeFormWindow;
m_activeFormWindow = formWindow;
QtResourceSet *resourceSet = 0;
if (formWindow)
resourceSet = formWindow->resourceSet();
m_core->resourceModel()->setCurrentResourceSet(resourceSet);
slotUpdateActions();
if (m_activeFormWindow) {
m_activeFormWindow->repaintSelection();
if (old)
old->repaintSelection();
}
emit activeFormWindowChanged(m_activeFormWindow);
if (m_activeFormWindow) {
m_activeFormWindow->emitSelectionChanged();
m_activeFormWindow->commandHistory()->setActive();
// Trigger setActiveSubWindow on mdi area unless we are in toplevel mode
QMdiSubWindow *mdiSubWindow = 0;
if (QWidget *formwindow = m_activeFormWindow->parentWidget()) {
mdiSubWindow = qobject_cast<QMdiSubWindow *>(formwindow->parentWidget());
}
if (mdiSubWindow) {
for (QWidget *parent = mdiSubWindow->parentWidget(); parent; parent = parent->parentWidget()) {
if (QMdiArea *mdiArea = qobject_cast<QMdiArea*>(parent)) {
mdiArea->setActiveSubWindow(mdiSubWindow);
break;
}
}
}
}
}
void FormWindowManager::closeAllPreviews()
{
m_previewManager->closeAllPreviews();
}
QWidget *FormWindowManager::findManagedWidget(FormWindow *fw, QWidget *w)
{
while (w && w != fw) {
if (fw->isManaged(w))
break;
w = w->parentWidget();
}
return w;
}
void FormWindowManager::setupActions()
{
m_actionCut = new QAction(createIconSet(QLatin1String("editcut.png")), tr("Cu&t"), this);
m_actionCut->setObjectName(QLatin1String("__qt_cut_action"));
m_actionCut->setShortcut(QKeySequence::Cut);
m_actionCut->setStatusTip(tr("Cuts the selected widgets and puts them on the clipboard"));
m_actionCut->setWhatsThis(whatsThisFrom(QLatin1String("Edit|Cut")));
connect(m_actionCut, SIGNAL(triggered()), this, SLOT(slotActionCutActivated()));
m_actionCut->setEnabled(false);
m_actionCopy = new QAction(createIconSet(QLatin1String("editcopy.png")), tr("&Copy"), this);
m_actionCopy->setObjectName(QLatin1String("__qt_copy_action"));
m_actionCopy->setShortcut(QKeySequence::Copy);
m_actionCopy->setStatusTip(tr("Copies the selected widgets to the clipboard"));
m_actionCopy->setWhatsThis(whatsThisFrom(QLatin1String("Edit|Copy")));
connect(m_actionCopy, SIGNAL(triggered()), this, SLOT(slotActionCopyActivated()));
m_actionCopy->setEnabled(false);
m_actionPaste = new QAction(createIconSet(QLatin1String("editpaste.png")), tr("&Paste"), this);
m_actionPaste->setObjectName(QLatin1String("__qt_paste_action"));
m_actionPaste->setShortcut(QKeySequence::Paste);
m_actionPaste->setStatusTip(tr("Pastes the clipboard's contents"));
m_actionPaste->setWhatsThis(whatsThisFrom(QLatin1String("Edit|Paste")));
connect(m_actionPaste, SIGNAL(triggered()), this, SLOT(slotActionPasteActivated()));
m_actionPaste->setEnabled(false);
m_actionDelete = new QAction(tr("&Delete"), this);
m_actionDelete->setObjectName(QLatin1String("__qt_delete_action"));
m_actionDelete->setStatusTip(tr("Deletes the selected widgets"));
m_actionDelete->setWhatsThis(whatsThisFrom(QLatin1String("Edit|Delete")));
connect(m_actionDelete, SIGNAL(triggered()), this, SLOT(slotActionDeleteActivated()));
m_actionDelete->setEnabled(false);
m_actionSelectAll = new QAction(tr("Select &All"), this);
m_actionSelectAll->setObjectName(QLatin1String("__qt_select_all_action"));
m_actionSelectAll->setShortcut(QKeySequence::SelectAll);
m_actionSelectAll->setStatusTip(tr("Selects all widgets"));
m_actionSelectAll->setWhatsThis(whatsThisFrom(QLatin1String("Edit|Select All")));
connect(m_actionSelectAll, SIGNAL(triggered()), this, SLOT(slotActionSelectAllActivated()));
m_actionSelectAll->setEnabled(false);
m_actionRaise = new QAction(createIconSet(QLatin1String("editraise.png")), tr("Bring to &Front"), this);
m_actionRaise->setObjectName(QLatin1String("__qt_raise_action"));
m_actionRaise->setShortcut(Qt::CTRL + Qt::Key_L);
m_actionRaise->setStatusTip(tr("Raises the selected widgets"));
m_actionRaise->setWhatsThis(tr("Raises the selected widgets"));
connect(m_actionRaise, SIGNAL(triggered()), this, SLOT(slotActionRaiseActivated()));
m_actionRaise->setEnabled(false);
m_actionLower = new QAction(createIconSet(QLatin1String("editlower.png")), tr("Send to &Back"), this);
m_actionLower->setObjectName(QLatin1String("__qt_lower_action"));
m_actionLower->setShortcut(Qt::CTRL + Qt::Key_K);
m_actionLower->setStatusTip(tr("Lowers the selected widgets"));
m_actionLower->setWhatsThis(tr("Lowers the selected widgets"));
connect(m_actionLower, SIGNAL(triggered()), this, SLOT(slotActionLowerActivated()));
m_actionLower->setEnabled(false);
m_actionAdjustSize = new QAction(createIconSet(QLatin1String("adjustsize.png")), tr("Adjust &Size"), this);
m_actionAdjustSize->setObjectName(QLatin1String("__qt_adjust_size_action"));
m_actionAdjustSize->setShortcut(Qt::CTRL + Qt::Key_J);
m_actionAdjustSize->setStatusTip(tr("Adjusts the size of the selected widget"));
m_actionAdjustSize->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Adjust Size")));
connect(m_actionAdjustSize, SIGNAL(triggered()), this, SLOT(slotActionAdjustSizeActivated()));
m_actionAdjustSize->setEnabled(false);
m_actionHorizontalLayout = new QAction(createIconSet(QLatin1String("edithlayout.png")), tr("Lay Out &Horizontally"), this);
m_actionHorizontalLayout->setObjectName(QLatin1String("__qt_horizontal_layout_action"));
m_actionHorizontalLayout->setShortcut(Qt::CTRL + Qt::Key_1);
m_actionHorizontalLayout->setStatusTip(tr("Lays out the selected widgets horizontally"));
m_actionHorizontalLayout->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Lay Out Horizontally")));
m_actionHorizontalLayout->setData(LayoutInfo::HBox);
m_actionHorizontalLayout->setEnabled(false);
connect(m_actionHorizontalLayout, SIGNAL(triggered()), this, SLOT(createLayout()));
m_actionVerticalLayout = new QAction(createIconSet(QLatin1String("editvlayout.png")), tr("Lay Out &Vertically"), this);
m_actionVerticalLayout->setObjectName(QLatin1String("__qt_vertical_layout_action"));
m_actionVerticalLayout->setShortcut(Qt::CTRL + Qt::Key_2);
m_actionVerticalLayout->setStatusTip(tr("Lays out the selected widgets vertically"));
m_actionVerticalLayout->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Lay Out Vertically")));
m_actionVerticalLayout->setData(LayoutInfo::VBox);
m_actionVerticalLayout->setEnabled(false);
connect(m_actionVerticalLayout, SIGNAL(triggered()), this, SLOT(createLayout()));
QIcon formIcon = QIcon::fromTheme("designer-form-layout", createIconSet(QLatin1String("editform.png")));
QAction *actionFormLayout = new QAction(formIcon, tr("Lay Out in a &Form Layout"), this);
actionFormLayout->setObjectName(QLatin1String("__qt_form_layout_action"));
actionFormLayout->setShortcut(Qt::CTRL + Qt::Key_6);
actionFormLayout->setStatusTip(tr("Lays out the selected widgets in a form layout"));
actionFormLayout->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Lay Out in a Form")));
actionFormLayout->setData(LayoutInfo::Form);
actionFormLayout->setEnabled(false);
setActionFormLayout(actionFormLayout);
connect(actionFormLayout, SIGNAL(triggered()), this, SLOT(createLayout()));
m_actionGridLayout = new QAction(createIconSet(QLatin1String("editgrid.png")), tr("Lay Out in a &Grid"), this);
m_actionGridLayout->setObjectName(QLatin1String("__qt_grid_layout_action"));
m_actionGridLayout->setShortcut(Qt::CTRL + Qt::Key_5);
m_actionGridLayout->setStatusTip(tr("Lays out the selected widgets in a grid"));
m_actionGridLayout->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Lay Out in a Grid")));
m_actionGridLayout->setData(LayoutInfo::Grid);
m_actionGridLayout->setEnabled(false);
connect(m_actionGridLayout, SIGNAL(triggered()), this, SLOT(createLayout()));
m_actionSplitHorizontal = new QAction(createIconSet(QLatin1String("edithlayoutsplit.png")),
tr("Lay Out Horizontally in S&plitter"), this);
m_actionSplitHorizontal->setObjectName(QLatin1String("__qt_split_horizontal_action"));
m_actionSplitHorizontal->setShortcut(Qt::CTRL + Qt::Key_3);
m_actionSplitHorizontal->setStatusTip(tr("Lays out the selected widgets horizontally in a splitter"));
m_actionSplitHorizontal->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Lay Out Horizontally in Splitter")));
m_actionSplitHorizontal->setData(LayoutInfo::HSplitter);
m_actionSplitHorizontal->setEnabled(false);
connect(m_actionSplitHorizontal, SIGNAL(triggered()), this, SLOT(createLayout()));
m_actionSplitVertical = new QAction(createIconSet(QLatin1String("editvlayoutsplit.png")),
tr("Lay Out Vertically in Sp&litter"), this);
m_actionSplitVertical->setObjectName(QLatin1String("__qt_split_vertical_action"));
m_actionSplitVertical->setShortcut(Qt::CTRL + Qt::Key_4);
m_actionSplitVertical->setStatusTip(tr("Lays out the selected widgets vertically in a splitter"));
m_actionSplitVertical->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Lay Out Vertically in Splitter")));
connect(m_actionSplitVertical, SIGNAL(triggered()), this, SLOT(createLayout()));
m_actionSplitVertical->setData(LayoutInfo::VSplitter);
m_actionSplitVertical->setEnabled(false);
m_actionBreakLayout = new QAction(createIconSet(QLatin1String("editbreaklayout.png")), tr("&Break Layout"), this);
m_actionBreakLayout->setObjectName(QLatin1String("__qt_break_layout_action"));
m_actionBreakLayout->setShortcut(Qt::CTRL + Qt::Key_0);
m_actionBreakLayout->setStatusTip(tr("Breaks the selected layout"));
m_actionBreakLayout->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Break Layout")));
connect(m_actionBreakLayout, SIGNAL(triggered()), this, SLOT(slotActionBreakLayoutActivated()));
m_actionBreakLayout->setEnabled(false);
QAction *simplifyLayoutAction = new QAction(tr("Si&mplify Grid Layout"), this);
simplifyLayoutAction->setObjectName(QLatin1String("__qt_simplify_layout_action"));
simplifyLayoutAction->setStatusTip(tr("Removes empty columns and rows"));
simplifyLayoutAction->setWhatsThis(whatsThisFrom(QLatin1String("Layout|Simplify Layout")));
connect(simplifyLayoutAction, SIGNAL(triggered()), this, SLOT(slotActionSimplifyLayoutActivated()));
simplifyLayoutAction->setEnabled(false);
setActionSimplifyLayout(simplifyLayoutAction);
m_actionDefaultPreview = new QAction(tr("&Preview..."), this);
m_actionDefaultPreview->setObjectName(QLatin1String("__qt_default_preview_action"));
m_actionDefaultPreview->setStatusTip(tr("Preview current form"));
m_actionDefaultPreview->setWhatsThis(whatsThisFrom(QLatin1String("Form|Preview")));
connect(m_actionDefaultPreview, SIGNAL(triggered()),
this, SLOT(slotActionDefaultPreviewActivated()));
m_undoGroup = new QUndoGroup(this);
m_actionUndo = m_undoGroup->createUndoAction(this);
m_actionUndo->setEnabled(false);
m_actionUndo->setIcon(QIcon::fromTheme("edit-undo", createIconSet(QLatin1String("undo.png"))));
m_actionRedo = m_undoGroup->createRedoAction(this);
m_actionRedo->setEnabled(false);
m_actionRedo->setIcon(QIcon::fromTheme("edit-redo", createIconSet(QLatin1String("redo.png"))));
m_actionShowFormWindowSettingsDialog = new QAction(tr("Form &Settings..."), this);
m_actionShowFormWindowSettingsDialog->setObjectName(QLatin1String("__qt_form_settings_action"));
connect(m_actionShowFormWindowSettingsDialog, SIGNAL(triggered()), this, SLOT(slotActionShowFormWindowSettingsDialog()));
m_actionShowFormWindowSettingsDialog->setEnabled(false);
#ifdef Q_WS_X11
m_actionCopy->setIcon(QIcon::fromTheme("edit-copy", m_actionCopy->icon()));
m_actionCut->setIcon(QIcon::fromTheme("edit-cut", m_actionCut->icon()));
m_actionPaste->setIcon(QIcon::fromTheme("edit-paste", m_actionPaste->icon()));
m_actionDelete->setIcon(QIcon::fromTheme("edit-delete", m_actionDelete->icon()));
// These do not currently exist, but will allow theme authors to fill in the gaps
m_actionBreakLayout->setIcon(QIcon::fromTheme("designer-break-layout", m_actionBreakLayout->icon()));
m_actionGridLayout->setIcon(QIcon::fromTheme("designer-grid-layout", m_actionGridLayout->icon()));
m_actionHorizontalLayout->setIcon(QIcon::fromTheme("designer-horizontal-layout", m_actionHorizontalLayout->icon()));
m_actionVerticalLayout->setIcon(QIcon::fromTheme("designer-vertical-layout", m_actionVerticalLayout->icon()));
m_actionSplitHorizontal->setIcon(QIcon::fromTheme("designer-split-horizontal", m_actionSplitHorizontal->icon()));
m_actionSplitVertical->setIcon(QIcon::fromTheme("designer-split-vertical", m_actionSplitVertical->icon()));
m_actionAdjustSize->setIcon(QIcon::fromTheme("designer-adjust-size", m_actionAdjustSize->icon()));
#endif
}
void FormWindowManager::slotActionCutActivated()
{
m_activeFormWindow->cut();
}
void FormWindowManager::slotActionCopyActivated()
{
m_activeFormWindow->copy();
slotUpdateActions();
}
void FormWindowManager::slotActionPasteActivated()
{
m_activeFormWindow->paste();
}
void FormWindowManager::slotActionDeleteActivated()
{
m_activeFormWindow->deleteWidgets();
}
void FormWindowManager::slotActionLowerActivated()
{
m_activeFormWindow->lowerWidgets();
}
void FormWindowManager::slotActionRaiseActivated()
{
m_activeFormWindow->raiseWidgets();
}
static inline QWidget *findLayoutContainer(const FormWindow *fw)
{
QList<QWidget*> l(fw->selectedWidgets());
fw->simplifySelection(&l);
return l.empty() ? fw->mainContainer() : l.front();
}
void FormWindowManager::createLayout()
{
QAction *a = qobject_cast<QAction *>(sender());
if (!a)
return;
const int type = a->data().toInt();
switch (m_createLayoutContext) {
case LayoutContainer:
// Cannot create a splitter on a container
if (type != LayoutInfo::HSplitter && type != LayoutInfo::VSplitter)
m_activeFormWindow->createLayout(type, findLayoutContainer(m_activeFormWindow));
break;
case LayoutSelection:
m_activeFormWindow->createLayout(type);
break;
case MorphLayout:
m_activeFormWindow->morphLayout(m_morphLayoutContainer, type);
break;
}
}
void FormWindowManager::slotActionBreakLayoutActivated()
{
const QList<QWidget *> layouts = layoutsToBeBroken();
if (layouts.isEmpty())
return;
if (debugFWM) {
qDebug() << "slotActionBreakLayoutActivated: " << layouts.size();
foreach (QWidget *w, layouts) {
qDebug() << w;
}
}
m_activeFormWindow->beginCommand(tr("Break Layout"));
foreach (QWidget *layout, layouts) {
m_activeFormWindow->breakLayout(layout);
}
m_activeFormWindow->endCommand();
}
void FormWindowManager::slotActionSimplifyLayoutActivated()
{
Q_ASSERT(m_activeFormWindow != 0);
QWidgetList selectedWidgets = m_activeFormWindow->selectedWidgets();
m_activeFormWindow->simplifySelection(&selectedWidgets);
if (selectedWidgets.size() != 1)
return;
SimplifyLayoutCommand *cmd = new SimplifyLayoutCommand(m_activeFormWindow);
if (cmd->init(selectedWidgets.front())) {
m_activeFormWindow->commandHistory()->push(cmd);
} else {
delete cmd;
}
}
void FormWindowManager::slotActionAdjustSizeActivated()
{
Q_ASSERT(m_activeFormWindow != 0);
m_activeFormWindow->beginCommand(tr("Adjust Size"));
QList<QWidget*> selectedWidgets = m_activeFormWindow->selectedWidgets();
m_activeFormWindow->simplifySelection(&selectedWidgets);
if (selectedWidgets.isEmpty()) {
Q_ASSERT(m_activeFormWindow->mainContainer() != 0);
selectedWidgets.append(m_activeFormWindow->mainContainer());
}
// Always count the main container as unlaid-out
foreach (QWidget *widget, selectedWidgets) {
bool unlaidout = LayoutInfo::layoutType(core(), widget->parentWidget()) == LayoutInfo::NoLayout;
bool isMainContainer = m_activeFormWindow->isMainContainer(widget);
if (unlaidout || isMainContainer) {
AdjustWidgetSizeCommand *cmd = new AdjustWidgetSizeCommand(m_activeFormWindow);
cmd->init(widget);
m_activeFormWindow->commandHistory()->push(cmd);
}
}
m_activeFormWindow->endCommand();
}
void FormWindowManager::slotActionSelectAllActivated()
{
m_activeFormWindow->selectAll();
}
void FormWindowManager::slotActionDefaultPreviewActivated()
{
slotActionGroupPreviewInStyle(QString(), -1);
}
void FormWindowManager::slotActionGroupPreviewInStyle(const QString &style, int deviceProfileIndex)
{
QDesignerFormWindowInterface *fw = activeFormWindow();
if (!fw)
return;
QString errorMessage;
if (!m_previewManager->showPreview(fw, style, deviceProfileIndex, &errorMessage)) {
const QString title = tr("Could not create form preview", "Title of warning message box");
core()->dialogGui()->message(fw, QDesignerDialogGuiInterface::FormEditorMessage, QMessageBox::Warning,
title, errorMessage);
}
}
// The user might click on a layout child or the actual layout container.
QWidgetList FormWindowManager::layoutsToBeBroken(QWidget *w) const
{
if (!w)
return QList<QWidget *>();
if (debugFWM)
qDebug() << "layoutsToBeBroken: " << w;
QWidget *parent = w->parentWidget();
if (m_activeFormWindow->isMainContainer(w))
parent = 0;
QWidget *widget = core()->widgetFactory()->containerOfWidget(w);
// maybe we want to remove following block
const QDesignerWidgetDataBaseInterface *db = m_core->widgetDataBase();
const QDesignerWidgetDataBaseItemInterface *item = db->item(db->indexOfObject(widget));
if (!item) {
if (debugFWM)
qDebug() << "layoutsToBeBroken: Don't have an item, recursing for parent";
return layoutsToBeBroken(parent);
}
const bool layoutContainer = (item->isContainer() || m_activeFormWindow->isMainContainer(widget));
if (!layoutContainer) {
if (debugFWM)
qDebug() << "layoutsToBeBroken: Not a container, recursing for parent";
return layoutsToBeBroken(parent);
}
QLayout *widgetLayout = widget->layout();
QLayout *managedLayout = LayoutInfo::managedLayout(m_core, widgetLayout);
if (!managedLayout) {
if (qobject_cast<const QSplitter *>(widget)) {
if (debugFWM)
qDebug() << "layoutsToBeBroken: Splitter special";
QList<QWidget *> list = layoutsToBeBroken(parent);
list.append(widget);
return list;
}
if (debugFWM)
qDebug() << "layoutsToBeBroken: Is a container but doesn't have a managed layout (has an internal layout), returning 0";
return QList<QWidget *>();
}
if (managedLayout) {
QList<QWidget *> list;
if (debugFWM)
qDebug() << "layoutsToBeBroken: Is a container and has a layout";
if (qobject_cast<const QLayoutWidget *>(widget)) {
if (debugFWM)
qDebug() << "layoutsToBeBroken: red layout special case";
list = layoutsToBeBroken(parent);
}
list.append(widget);
return list;
}
if (debugFWM)
qDebug() << "layoutsToBeBroken: Is a container but doesn't have a layout at all, returning 0";
return QList<QWidget *>();
}
QMap<QWidget *, bool> FormWindowManager::getUnsortedLayoutsToBeBroken(bool firstOnly) const
{
// Return a set of layouts to be broken.
QMap<QWidget *, bool> layouts;
QList<QWidget *> selection = m_activeFormWindow->selectedWidgets();
if (selection.isEmpty() && m_activeFormWindow->mainContainer())
selection.append(m_activeFormWindow->mainContainer());
const QList<QWidget *>::const_iterator scend = selection.constEnd();
for (QList<QWidget *>::const_iterator sit = selection.constBegin(); sit != scend; ++sit) {
// find all layouts
const QList<QWidget *> list = layoutsToBeBroken(*sit);
if (!list.empty()) {
const QList<QWidget *>::const_iterator lbcend = list.constEnd();
for (QList<QWidget *>::const_iterator lbit = list.constBegin(); lbit != lbcend; ++lbit) {
layouts.insert(*lbit, true);
}
if (firstOnly)
return layouts;
}
}
return layouts;
}
bool FormWindowManager::hasLayoutsToBeBroken() const
{
// Quick check for layouts to be broken
return !getUnsortedLayoutsToBeBroken(true).isEmpty();
}
QWidgetList FormWindowManager::layoutsToBeBroken() const
{
// Get all layouts. This is a list of all 'red' layouts (QLayoutWidgets)
// up to the first 'real' widget with a layout in hierarchy order.
QMap<QWidget *, bool> unsortedLayouts = getUnsortedLayoutsToBeBroken(false);
// Sort in order of hierarchy
QList<QWidget *> orderedLayoutList;
const QMap<QWidget *, bool>::const_iterator lscend = unsortedLayouts.constEnd();
for (QMap<QWidget *, bool>::const_iterator itLay = unsortedLayouts.constBegin(); itLay != lscend; ++itLay) {
QWidget *wToBeInserted = itLay.key();
if (!orderedLayoutList.contains(wToBeInserted)) {
// try to find first child, use as insertion position, else append
const QList<QWidget *>::iterator firstChildPos = findFirstChildOf(orderedLayoutList.begin(), orderedLayoutList.end(), wToBeInserted);
if (firstChildPos == orderedLayoutList.end()) {
orderedLayoutList.push_back(wToBeInserted);
} else {
orderedLayoutList.insert(firstChildPos, wToBeInserted);
}
}
}
return orderedLayoutList;
}
static inline bool hasManagedLayoutItems(const QDesignerFormEditorInterface *core, QWidget *w)
{
if (const QLayout *ml = LayoutInfo::managedLayout(core, w)) {
// Try to find managed items, ignore dummy grid spacers
const int count = ml->count();
for (int i = 0; i < count; i++)
if (!LayoutInfo::isEmptyItem(ml->itemAt(i)))
return true;
}
return false;
}
void FormWindowManager::slotUpdateActions()
{
m_createLayoutContext = LayoutSelection;
m_morphLayoutContainer = 0;
bool canMorphIntoVBoxLayout = false;
bool canMorphIntoHBoxLayout = false;
bool canMorphIntoGridLayout = false;
bool canMorphIntoFormLayout = false;
int selectedWidgetCount = 0;
int laidoutWidgetCount = 0;
int unlaidoutWidgetCount = 0;
bool pasteAvailable = false;
bool layoutAvailable = false;
bool breakAvailable = false;
bool simplifyAvailable = false;
bool layoutContainer = false;
bool canChangeZOrder = true;
do {
if (m_activeFormWindow == 0 || m_activeFormWindow->currentTool() != 0)
break;
breakAvailable = hasLayoutsToBeBroken();
QWidgetList simplifiedSelection = m_activeFormWindow->selectedWidgets();
selectedWidgetCount = simplifiedSelection.count();
pasteAvailable = qApp->clipboard()->mimeData() && qApp->clipboard()->mimeData()->hasText();
m_activeFormWindow->simplifySelection(&simplifiedSelection);
QWidget *mainContainer = m_activeFormWindow->mainContainer();
if (simplifiedSelection.isEmpty() && mainContainer)
simplifiedSelection.append(mainContainer);
// Always count the main container as unlaid-out
const QWidgetList::const_iterator cend = simplifiedSelection.constEnd();
for (QWidgetList::const_iterator it = simplifiedSelection.constBegin(); it != cend; ++it) {
if (*it != mainContainer && LayoutInfo::isWidgetLaidout(m_core, *it)) {
++laidoutWidgetCount;
} else {
++unlaidoutWidgetCount;
}
if (qobject_cast<const QLayoutWidget *>(*it) || qobject_cast<const Spacer *>(*it))
canChangeZOrder = false;
}
// Figure out layouts: Looking at a group of dangling widgets
if (simplifiedSelection.count() != 1) {
layoutAvailable = unlaidoutWidgetCount > 1;
//breakAvailable = false;
break;
}
// Manipulate layout of a single widget
m_createLayoutContext = LayoutSelection;
QWidget *widget = core()->widgetFactory()->containerOfWidget(simplifiedSelection.first());
if (widget == 0) // We are looking at a page-based container with 0 pages
break;
const QDesignerWidgetDataBaseInterface *db = m_core->widgetDataBase();
const QDesignerWidgetDataBaseItemInterface *item = db->item(db->indexOfObject(widget));
if (!item)
break;
QLayout *widgetLayout = LayoutInfo::internalLayout(widget);
QLayout *managedLayout = LayoutInfo::managedLayout(m_core, widgetLayout);
// We don't touch a layout createds by a custom widget
if (widgetLayout && !managedLayout)
break;
layoutContainer = (item->isContainer() || m_activeFormWindow->isMainContainer(widget));
layoutAvailable = layoutContainer && m_activeFormWindow->hasInsertedChildren(widget) && managedLayout == 0;
simplifyAvailable = SimplifyLayoutCommand::canSimplify(m_core, widget);
if (layoutAvailable) {
m_createLayoutContext = LayoutContainer;
} else {
/* Cannot create a layout, have some layouts to be broken and
* exactly one, non-empty layout with selected: check the morph layout options
* (Note that there might be > 1 layouts to broken if the selection
* is a red layout, however, we want the inner-most layout here). */
if (breakAvailable && simplifiedSelection.size() == 1
&& hasManagedLayoutItems(m_core, widget)) {
int type;
m_morphLayoutContainer = widget; // Was: page of first selected
m_createLayoutContext = MorphLayout;
if (MorphLayoutCommand::canMorph(m_activeFormWindow, m_morphLayoutContainer, &type)) {
canMorphIntoVBoxLayout = type != LayoutInfo::VBox;
canMorphIntoHBoxLayout = type != LayoutInfo::HBox;
canMorphIntoGridLayout = type != LayoutInfo::Grid;
canMorphIntoFormLayout = type != LayoutInfo::Form;
}
}
}
} while(false);
m_actionCut->setEnabled(selectedWidgetCount > 0);
m_actionCopy->setEnabled(selectedWidgetCount > 0);
m_actionDelete->setEnabled(selectedWidgetCount > 0);
m_actionLower->setEnabled(canChangeZOrder && selectedWidgetCount > 0);
m_actionRaise->setEnabled(canChangeZOrder && selectedWidgetCount > 0);
m_actionPaste->setEnabled(pasteAvailable);
m_actionSelectAll->setEnabled(m_activeFormWindow != 0);
m_actionAdjustSize->setEnabled(unlaidoutWidgetCount > 0);
m_actionHorizontalLayout->setEnabled(layoutAvailable || canMorphIntoHBoxLayout);
m_actionVerticalLayout->setEnabled(layoutAvailable || canMorphIntoVBoxLayout);
m_actionSplitHorizontal->setEnabled(layoutAvailable && !layoutContainer);
m_actionSplitVertical->setEnabled(layoutAvailable && !layoutContainer);
actionFormLayout()->setEnabled(layoutAvailable || canMorphIntoFormLayout);
m_actionGridLayout->setEnabled(layoutAvailable || canMorphIntoGridLayout);
m_actionBreakLayout->setEnabled(breakAvailable);
actionSimplifyLayout()->setEnabled(simplifyAvailable);
m_actionShowFormWindowSettingsDialog->setEnabled(m_activeFormWindow != 0);
}
QDesignerFormWindowInterface *FormWindowManager::createFormWindow(QWidget *parentWidget, Qt::WindowFlags flags)
{
FormWindow *formWindow = new FormWindow(qobject_cast<FormEditor*>(core()), parentWidget, flags);
formWindow->setProperty(WidgetFactory::disableStyleCustomPaintingPropertyC, QVariant(true));
addFormWindow(formWindow);
return formWindow;
}
QPixmap FormWindowManager::createPreviewPixmap(QString *errorMessage)
{
QPixmap pixmap;
QDesignerFormWindowInterface *fw = activeFormWindow();
if (!fw)
return pixmap;
pixmap = m_previewManager->createPreviewPixmap(fw, QString(), errorMessage);
return pixmap;
}
QAction *FormWindowManager::actionUndo() const
{
return m_actionUndo;
}
QAction *FormWindowManager::actionRedo() const
{
return m_actionRedo;
}
QActionGroup *FormWindowManager::actionGroupPreviewInStyle() const
{
if (m_actionGroupPreviewInStyle == 0) {
// Wish we could make the 'this' pointer mutable ;-)
QObject *parent = const_cast<FormWindowManager*>(this);
m_actionGroupPreviewInStyle = new PreviewActionGroup(m_core, parent);
connect(m_actionGroupPreviewInStyle, SIGNAL(preview(QString,int)),
this, SLOT(slotActionGroupPreviewInStyle(QString,int)));
}
return m_actionGroupPreviewInStyle;
}
void FormWindowManager::deviceProfilesChanged()
{
if (m_actionGroupPreviewInStyle)
m_actionGroupPreviewInStyle->updateDeviceProfiles();
}
// DnD stuff
void FormWindowManager::dragItems(const QList<QDesignerDnDItemInterface*> &item_list)
{
QDesignerMimeData::execDrag(item_list, m_core->topLevel());
}
QUndoGroup *FormWindowManager::undoGroup() const
{
return m_undoGroup;
}
QAction *FormWindowManager::actionShowFormWindowSettingsDialog() const
{
return m_actionShowFormWindowSettingsDialog;
}
void FormWindowManager::slotActionShowFormWindowSettingsDialog()
{
QDesignerFormWindowInterface *fw = activeFormWindow();
if (!fw)
return;
QDialog *settingsDialog = 0;
const bool wasDirty = fw->isDirty();
// Ask the language extension for a dialog. If not, create our own
if (QDesignerLanguageExtension *lang = qt_extension<QDesignerLanguageExtension*>(m_core->extensionManager(), m_core))
settingsDialog = lang->createFormWindowSettingsDialog(fw, /*parent=*/ 0);
if (!settingsDialog)
settingsDialog = new FormWindowSettings(fw);
QString title = QFileInfo(fw->fileName()).fileName();
if (title.isEmpty()) // Grab the title from the outer window if no filename
if (const QWidget *window = m_core->integration()->containerWindow(fw))
title = window->windowTitle();
settingsDialog->setWindowTitle(tr("Form Settings - %1").arg(title));
if (settingsDialog->exec())
if (fw->isDirty() != wasDirty)
emit formWindowSettingsChanged(fw);
delete settingsDialog;
}
}
QT_END_NAMESPACE
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