diff options
Diffstat (limited to 'src-qt5/desktop-utils/lumina-photo/mainUI.cpp')
| -rw-r--r-- | src-qt5/desktop-utils/lumina-photo/mainUI.cpp | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/src-qt5/desktop-utils/lumina-photo/mainUI.cpp b/src-qt5/desktop-utils/lumina-photo/mainUI.cpp new file mode 100644 index 00000000..781e8d0b --- /dev/null +++ b/src-qt5/desktop-utils/lumina-photo/mainUI.cpp @@ -0,0 +1,243 @@ +//=========================================== +// Lumina-Desktop source code +// Copyright (c) 2018, Loïc Bartoletti +// Available under the 3-clause BSD license +// See the LICENSE file for full details +//=========================================== +#include "mainUI.h" +#include "ui_mainUI.h" +#include <QDebug> + +#include <LUtils.h> +#include <LuminaXDG.h> +#include <QDesktopServices> +#include <QFileDialog> +#include <QImageWriter> +#include <QInputDialog> +#include <QMessageBox> +#include <QUrl> + +#include <QtPrintSupport> + +MainUI::MainUI () : QMainWindow (), ui (new Ui::MainUI ()) +{ + settings = LUtils::openSettings ("lumina-desktop", "lumina-photo", this); + ppath = settings->value ("previous-path", QDir::homePath ()).toString (); + pfilter = settings->value ("previous-filter", "image/jpeg").toString (); + + ui->setupUi (this); + // Any special UI changes + + graphicsScene = new QGraphicsScene (); + ui->photoView->setScene (graphicsScene); + + setupConnections (); + setupIcons (); + setupFilters (); +} + +MainUI::~MainUI () +{ +} + +void MainUI::loadArguments (QStringList args) +{ + files.clear (); + // Parse out the arguments + for (int i = 0; i < args.length (); i++) + { + if (!QImageReader::imageFormat (args[i]).isEmpty ()) + { + files.append (args[i]); + } + } + if (files.count () > 0) + { + idx = 0; + loadFile (files.at (0)); + } +} + +void MainUI::setupConnections () +{ + connect (ui->actionZoom_In, SIGNAL (triggered ()), this, SLOT (zoomInToggled ())); + connect (ui->actionZoom_Out, SIGNAL (triggered ()), this, SLOT (zoomOutToggled ())); + connect (ui->action_Fit_to_windows, SIGNAL (triggered ()), this, SLOT (fitZoomToggled ())); + connect (ui->action_Normal_Zoom, SIGNAL (triggered ()), this, SLOT (normalZoomToggled ())); + connect (ui->action_Exit, SIGNAL (triggered ()), this, SLOT (closeApplication ())); + connect (ui->action_Open, SIGNAL (triggered ()), this, SLOT (open ())); + connect (ui->action_Save_as, SIGNAL (triggered ()), this, SLOT (save ())); + connect (ui->action_Print, SIGNAL (triggered ()), this, SLOT (print ())); + connect (ui->actionNext, SIGNAL (triggered ()), this, SLOT (nextToggled ())); + connect (ui->actionBack, SIGNAL (triggered ()), this, SLOT (backToggled ())); + connect (ui->actionFirst, SIGNAL (triggered ()), this, SLOT (firstToggled ())); + connect (ui->actionLast, SIGNAL (triggered ()), this, SLOT (lastToggled ())); +} + +void MainUI::setupIcons () +{ + ui->action_Exit->setIcon (LXDG::findIcon ("application-close", "dialog-close")); + ui->action_Fit_to_windows->setIcon (LXDG::findIcon ("zoom-fit-best", "")); + ui->action_Normal_Zoom->setIcon (LXDG::findIcon ("zoom-original", "")); + ui->actionZoom_In->setIcon (LXDG::findIcon ("zoom-in", "")); + ui->actionZoom_Out->setIcon (LXDG::findIcon ("zoom-out", "")); + ui->actionFirst->setIcon (LXDG::findIcon ("arrow-left-double", "")); + ui->actionBack->setIcon (LXDG::findIcon ("arrow-left", "")); + ui->actionLast->setIcon (LXDG::findIcon ("arrow-right-double", "")); + ui->actionNext->setIcon (LXDG::findIcon ("arrow-right", "")); +} + +void MainUI::setupFilters () +{ + foreach (const QByteArray &mimeTypeName, QImageReader::supportedMimeTypes ()) + mimeTypeFiltersReader.append (mimeTypeName); + + mimeTypeFiltersReader.sort (); + + foreach (const QByteArray &mimeTypeName, QImageWriter::supportedMimeTypes ()) + mimeTypeFiltersWriter.append (mimeTypeName); + + mimeTypeFiltersWriter.sort (); +} +// ==== PRIVATE SLOTS ==== +void MainUI::fitZoomToggled () +{ + ui->photoView->zoomFit (); +} + +void MainUI::normalZoomToggled () +{ + ui->photoView->zoomNormal (); +} + +void MainUI::zoomOutToggled () +{ + ui->photoView->zoomOut (); +} + +void MainUI::zoomInToggled () +{ + ui->photoView->zoomIn (); +} + +void MainUI::firstToggled () +{ + if (idx != 0) + { + idx = 0; + loadFile (files.at (idx)); + } +} + +void MainUI::lastToggled () +{ + if (idx != files.count () - 1) + { + idx = files.count () - 1; + loadFile (files.at (idx)); + } +} + +void MainUI::backToggled () +{ + if (idx > 0) + { + idx -= 1; + loadFile (files.at (idx)); + } +} + +void MainUI::nextToggled () +{ + if (idx < files.count () - 1) + { + idx += 1; + loadFile (files.at (idx)); + } +} + +void MainUI::closeApplication () +{ + this->close (); +} + +bool MainUI::loadFile (const QString file) +{ + // Load the file as-is + QImageReader reader (file); + reader.setAutoTransform (true); + actualImage = reader.read (); + if (actualImage.isNull ()) + { + QMessageBox::information ( + this, QGuiApplication::applicationDisplayName (), + tr ("Cannot load %1: %2").arg (QDir::toNativeSeparators (file), reader.errorString ())); + return false; + } + graphicsScene->clear (); + graphicsScene->setSceneRect (actualImage.rect ()); + graphicsScene->addPixmap (QPixmap::fromImage (actualImage)); + + ui->photoView->zoomFit (); + return true; +} + +void MainUI::open () +{ + QFileDialog dialog (this, tr ("Open File"), ppath); + dialog.setFileMode (QFileDialog::ExistingFiles); + dialog.setAcceptMode (QFileDialog::AcceptOpen); + dialog.setMimeTypeFilters (mimeTypeFiltersReader); + dialog.selectMimeTypeFilter (pfilter); + if (dialog.exec ()) + { + files.clear (); + files = dialog.selectedFiles (); + idx = 0; + + ppath = files.at (idx).section ("/", 0, -2); // just the directory + settings->setValue ("previous-path", ppath); + pfilter = dialog.selectedMimeTypeFilter (); + settings->setValue ("previous-filter", pfilter); + loadFile (files.at (idx)); + } +} + +bool MainUI::save () +{ + QFileDialog dialog (this, tr ("Save as"), ppath); + dialog.setFileMode (QFileDialog::AnyFile); + dialog.setAcceptMode (QFileDialog::AcceptSave); + dialog.setMimeTypeFilters (mimeTypeFiltersWriter); + if (dialog.exec ()) + { + QString filename = dialog.selectedFiles ().first (); + QImageWriter writer (filename); + + if (!writer.write (actualImage)) + { + QMessageBox::information (this, QGuiApplication::applicationDisplayName (), + tr ("Cannot write %1: %2").arg (QDir::toNativeSeparators (filename)), + writer.errorString ()); + return false; + } + } + + return true; +} + +void MainUI::print () +{ + QPrinter printer; + QPrintDialog dialog (&printer, this); + if (dialog.exec ()) + { + QPainter painter (&printer); + QRect rect = painter.viewport (); + QSize size = actualImage.size (); + size.scale (rect.size (), Qt::KeepAspectRatio); + painter.setViewport (rect.x (), rect.y (), size.width (), size.height ()); + painter.setWindow (actualImage.rect ()); + painter.drawPixmap (0, 0, QPixmap::fromImage (actualImage)); + } +} |