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Add support for remembering settings

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Use QSettings to provide persistent storage of settings. For example, we
store and restore the size of the MainWindow.

We use the organisation name hohndel.org and keep subsurface as the
application name.

A section is specified for things to do with the MainWindow; other
sections could be added e.g. for preferred units?

Signed-off-by: Amit Chaudhuri <amit.k.chaudhuri@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Amit Chaudhuri 2013-04-27 10:09:57 +01:00 • committed by Dirk Hohndel
parent 1d0d42f861
commit 89f02c42aa
2 changed files with 42 additions and 0 deletions
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37
qt-ui/mainwindow.cpp
View file

@ -12,6 +12,8 @@
#include <QtDebug>
#include <QDateTime>
#include <QSortFilterProxyModel>
#include <QSettings>
#include <QCloseEvent>
#include "divelistview.h"
#include "starwidget.h"
@ -31,6 +33,7 @@ MainWindow::MainWindow() : ui(new Ui::MainWindow()),
ui->ListWidget->setModel(sortModel);
setWindowIcon(QIcon(":subsurface-icon"));
readSettings();
}
void MainWindow::on_actionNew_triggered()
@ -138,6 +141,11 @@ void MainWindow::on_actionPreferences_triggered()
void MainWindow::on_actionQuit_triggered()
{
qDebug("actionQuit");
if (unsaved_changes() && (askSaveChanges() == FALSE))
{
return;
}
}
void MainWindow::on_actionDownloadDC_triggered()
@ -284,3 +292,32 @@ bool MainWindow::askSaveChanges()
}
return false;
}
void MainWindow::readSettings()
{
QSettings settings("hohndel.org","subsurface");
/* note: section/key i.e. forward slash to separate */
QSize sz = settings.value("MainWindow/size").value<QSize>();
resize(sz);
}
void MainWindow::writeSettings()
{
QSettings settings("hohndel.org","subsurface");
settings.beginGroup("MainWindow");
settings.setValue("size",size());
settings.endGroup();
/* other groups here; avoid '/' and '\' in keys with setValue(...) please */
}
void MainWindow::closeEvent(QCloseEvent *event)
{
if (unsaved_changes() && (askSaveChanges() == FALSE))
{
event->ignore();
return;
}
event->accept();
writeSettings();
}

5
qt-ui/mainwindow.h
View file

@ -66,12 +66,17 @@ private Q_SLOTS:
void on_actionAboutSubsurface_triggered();
void on_actionUserManual_triggered();
protected:
void closeEvent(QCloseEvent *);
private:
Ui::MainWindow *ui;
DiveTripModel *model;
QSortFilterProxyModel *sortModel;
QString filter();
bool askSaveChanges();
void readSettings();
void writeSettings();
};