subsurface/subsurface-mobile-helper.cpp
Dirk Hohndel 01d091fbd5 QML UI: better handling of device pixel ratio
In order to make sure we don't render the initial profiles with the
wrong scale on devices, we need to seed the device pixel ratio with the
device default and then update it once the window has been created.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2017-04-04 11:00:18 -07:00

109 lines
3.6 KiB
C++

/* qt-gui.cpp */
/* Qt UI implementation */
#include "core/dive.h"
#include "core/display.h"
#include "core/helpers.h"
#include <QApplication>
#include <QDesktopWidget>
#include <QNetworkProxy>
#include <QLibraryInfo>
#include "core/qt-gui.h"
#include <QQuickWindow>
#include <QScreen>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include <QSortFilterProxyModel>
#include "mobile-widgets/qmlmanager.h"
#include "qt-models/divelistmodel.h"
#include "qt-models/gpslistmodel.h"
#include "mobile-widgets/qmlprofile.h"
#include "mobile-widgets/qml/kirigami/src/kirigamiplugin.h"
QObject *qqWindowObject = NULL;
void init_ui()
{
init_qt_late();
}
void run_ui()
{
qmlRegisterType<QMLManager>("org.subsurfacedivelog.mobile", 1, 0, "QMLManager");
qmlRegisterType<QMLProfile>("org.subsurfacedivelog.mobile", 1, 0, "QMLProfile");
QQmlApplicationEngine engine;
KirigamiPlugin::getInstance().registerTypes();
#if __APPLE__
// when running the QML UI on a Mac the deployment of the QML Components seems
// to fail and the search path for the components is rather odd - simply the
// same directory the executable was started from <bundle>/Contents/MacOS/
// To work around this we need to manually copy the components at install time
// to Contents/Frameworks/qml and make sure that we add the correct import path
QStringList importPathList = engine.importPathList();
Q_FOREACH(QString importPath, importPathList) {
if (importPath.contains("MacOS"))
engine.addImportPath(importPath.replace("MacOS", "Frameworks"));
}
qDebug() << "QML import path" << engine.importPathList();
#endif
engine.addImportPath("qrc://imports");
DiveListModel diveListModel;
DiveListSortModel *sortModel = new DiveListSortModel(0);
sortModel->setSourceModel(&diveListModel);
sortModel->setDynamicSortFilter(true);
sortModel->setSortRole(DiveListModel::DiveDateRole);
sortModel->sort(0, Qt::DescendingOrder);
GpsListModel gpsListModel;
QSortFilterProxyModel *gpsSortModel = new QSortFilterProxyModel(0);
gpsSortModel->setSourceModel(&gpsListModel);
gpsSortModel->setDynamicSortFilter(true);
gpsSortModel->setSortRole(GpsListModel::GpsWhenRole);
gpsSortModel->sort(0, Qt::DescendingOrder);
QQmlContext *ctxt = engine.rootContext();
ctxt->setContextProperty("diveModel", sortModel);
ctxt->setContextProperty("gpsModel", gpsSortModel);
engine.load(QUrl(QStringLiteral("qrc:///qml/main.qml")));
qqWindowObject = engine.rootObjects().value(0);
if (!qqWindowObject) {
fprintf(stderr, "can't create window object\n");
exit(1);
}
QQuickWindow *qml_window = qobject_cast<QQuickWindow *>(qqWindowObject);
qml_window->setIcon(QIcon(":/subsurface-mobile-icon"));
qqWindowObject->setProperty("messageText", QVariant("Subsurface-mobile startup"));
qDebug() << "qqwindow devicePixelRatio" << qml_window->devicePixelRatio() << qml_window->screen()->devicePixelRatio();
QScreen *screen = qml_window->screen();
QObject::connect(qml_window, &QQuickWindow::screenChanged, QMLManager::instance(), &QMLManager::screenChanged);
QMLManager *manager = QMLManager::instance();
manager->setDevicePixelRatio(qml_window->devicePixelRatio(), qml_window->screen());
manager->dlSortModel = sortModel;
manager->screenChanged(screen);
qDebug() << "qqwindow screen has ldpi/pdpi" << screen->logicalDotsPerInch() << screen->physicalDotsPerInch();
#if !defined(Q_OS_ANDROID) && !defined(Q_OS_IOS)
qml_window->setHeight(1200);
qml_window->setWidth(800);
#endif
qml_window->show();
qApp->exec();
}
void exit_ui()
{
delete qApp;
free((void *)existing_filename);
}
double get_screen_dpi()
{
QDesktopWidget *mydesk = qApp->desktop();
return mydesk->physicalDpiX();
}
bool haveFilesOnCommandLine()
{
return false;
}