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#include "mdiwindow.h"
#include "mdichild.h"
#include "common/unused.h"
#include "mdiarea.h"
#include "mainwindow.h"
#include "services/dbmanager.h"
#include "db/db.h"
#include <QDateTime>
#include <QApplication>
#include <QDebug>
#include <QFocusEvent>
#include <QAction>
#include <QMessageBox>
#include <QAbstractButton>
MdiWindow::MdiWindow(MdiChild* mdiChild, MdiArea *mdiArea, Qt::WindowFlags flags) :
QMdiSubWindow(mdiArea->viewport(), flags), mdiArea(mdiArea)
{
setAttribute(Qt::WA_DeleteOnClose);
setWidget(mdiChild);
connect(DBLIST, SIGNAL(dbAboutToBeDisconnected(Db*,bool&)), this, SLOT(dbAboutToBeDisconnected(Db*,bool&)));
connect(DBLIST, SIGNAL(dbDisconnected(Db*)), this, SLOT(dbDisconnected(Db*)));
}
MdiWindow::~MdiWindow()
{
if (SQLITESTUDIO->getImmediateQuit())
return;
if (!closeWithoutSessionSaving && !MAINWINDOW->isClosingApp())
MAINWINDOW->pushClosedWindowSessionValue(saveSession());
mdiArea->windowDestroyed(this);
}
QVariant MdiWindow::saveSession()
{
if (!widget())
return QVariant();
QHash<QString, QVariant> hash = getMdiChild()->getSessionValue().toHash();
hash["title"] = windowTitle();
hash["position"] = pos();
hash["geometry"] = saveGeometry();
return hash;
}
bool MdiWindow::restoreSession(const QVariant& sessionValue)
{
if (!widget())
return true;
QHash<QString, QVariant> value = sessionValue.toHash();
if (value.size() == 0)
return true;
if (value.contains("geometry"))
restoreGeometry(value["geometry"].toByteArray());
if (value.contains("position"))
move(value["position"].toPoint());
if (value.contains("title"))
{
QString title = value["title"].toString();
rename(title);
}
return getMdiChild()->applySessionValue(sessionValue);
}
MdiChild* MdiWindow::getMdiChild() const
{
if (!widget())
return nullptr;
return dynamic_cast<MdiChild*>(widget());
}
void MdiWindow::setWidget(MdiChild* value)
{
QMdiSubWindow::setWidget(value);
if (value)
value->setMdiWindow(this);
}
bool MdiWindow::restoreSessionNextTime()
{
return getMdiChild()->restoreSessionNextTime();
}
void MdiWindow::rename(const QString& title)
{
setWindowTitle(title);
QAction* task = mdiArea->getTaskByWindow(this);
if (task)
task->setText(title);
}
void MdiWindow::changeEvent(QEvent* event)
{
if (event->type() != QEvent::WindowStateChange)
{
QMdiSubWindow::changeEvent(event);
return;
}
QWindowStateChangeEvent *changeEvent = static_cast<QWindowStateChangeEvent *>(event);
bool wasActive = changeEvent->oldState().testFlag(Qt::WindowActive);
bool isActive = windowState().testFlag(Qt::WindowActive);
/*
* This is a hack for a bug in Qt: QTBUG-23515. The problem is that when QMdiSubWindow
* changes its state (because we used shortcut, or the TaskBar to activate another window,
* or window is maximized or minimized), then the code responsible for hiding old window
* gives focus to its previous or next child widget (depending on what is the state change),
* before the new window is shown. This seems to be happening in QWidgetPrivate::hide_helper().
*
*/
if (wasActive && isActive)
{
// Handle problem with maximize/minimize
QWidget* w = focusWidget();
QMdiSubWindow::changeEvent(event);
if (w)
w->setFocus();
}
else if (wasActive && !isActive)
{
// Handle problem with switching between 2 MDI windows - part 1
lastFocusedWidget = focusWidget();
QMdiSubWindow::changeEvent(event);
}
else if (!wasActive && isActive)
{
// Handle problem with switching between 2 MDI windows - part 2
QMdiSubWindow::changeEvent(event);
if (!lastFocusedWidget.isNull() && (!focusWidget() || !isAncestorOf(focusWidget())))
lastFocusedWidget->setFocus();
}
else
QMdiSubWindow::changeEvent(event);
}
void MdiWindow::closeEvent(QCloseEvent* e)
{
if (dbBeingClosed || MAINWINDOW->isClosingApp() || !getMdiChild()->isUncommited())
{
QMdiSubWindow::closeEvent(e);
return;
}
if (confirmClose())
QMdiSubWindow::closeEvent(e);
else
e->ignore();
}
void MdiWindow::dbAboutToBeDisconnected(Db* db, bool& deny)
{
if (!db || getMdiChild()->getAssociatedDb() != db)
return;
if (MAINWINDOW->isClosingApp())
return;
if (getMdiChild()->isUncommited() && !confirmClose())
deny = true;
else
dbBeingClosed = true;
}
void MdiWindow::dbDisconnected(Db* db)
{
if (!db || getMdiChild()->getAssociatedDb() != db)
return;
if (MAINWINDOW->isClosingApp())
return;
getMdiChild()->dbClosedFinalCleanup();
close();
}
bool MdiWindow::confirmClose()
{
QMessageBox msgBox(QMessageBox::Question, tr("Uncommited changes"), getMdiChild()->getQuitUncommitedConfirmMessage(), QMessageBox::Yes|QMessageBox::No, this);
msgBox.setDefaultButton(QMessageBox::No);
QAbstractButton* closeBtn = msgBox.button(QMessageBox::Yes);
QAbstractButton* cancelBtn = msgBox.button(QMessageBox::No);
closeBtn->setText(tr("Close anyway"));
closeBtn->setIcon(ICONS.CLOSE);
cancelBtn->setText(tr("Don't close"));
cancelBtn->setIcon(ICONS.GO_BACK);
return (msgBox.exec() == QMessageBox::Yes);
}
bool MdiWindow::getCloseWithoutSessionSaving() const
{
return closeWithoutSessionSaving;
}
void MdiWindow::setCloseWithoutSessionSaving(bool value)
{
closeWithoutSessionSaving = value;
}
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