1 files changed, 103 insertions, 0 deletions
diff --git a/src/mainwindow/mainwindow.cpp b/src/mainwindow/mainwindow.cpp
new file mode 100644
index 0000000..3f854da
--- /dev/null
+++ b/src/mainwindow/mainwindow.cpp
@@ -0,0 +1,103 @@
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+#include <QFileDialog>
+#include <QDockWidget>
+#include <QLabel>
+#include <poppler-qt5.h>
+#include "infowidget/infowidget.h"
+#include "contentswidget/contentswidget.h"
+
+MainWindow::MainWindow(QWidget *parent, Qt::WindowFlags flags)
+    : QMainWindow(parent, flags)
+      , ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+
+    auto *infoDock = new QDockWidget(tr("Info"), this);
+    info = new InfoForm(infoDock);
+    infoDock->setWidget(info);
+    addDockWidget(Qt::LeftDockWidgetArea, infoDock);
+
+    auto *contentsDock = new QDockWidget(tr("Contents"), this);
+    contents = new ContentsForm(contentsDock);
+    contentsDock->setWidget(contents);
+    addDockWidget(Qt::LeftDockWidgetArea, contentsDock);
+
+    connect(ui->actionOpen, &QAction::triggered, this, [this]() {
+        const QString userPath = QFileDialog::getOpenFileName(this, tr("Select PDF to open"), QDir::homePath(), tr("PDF Files (*.pdf);;All Files (*)"));
+        if(!userPath.isEmpty())
+            this->open(userPath);
+    });
+    connect(ui->actionQuit, &QAction::triggered, qApp, &QApplication::quit);
+
+    // navigation
+    connect(ui->previous, &QToolButton::clicked, this, [this]() {
+        const int currentPage = ui->pageNumber->text().toInt();
+        this->showPage(currentPage - 1);
+    });
+    connect(ui->next, &QToolButton::clicked, this, [this]() {
+        const int currentPage = ui->pageNumber->text().toInt();
+        this->showPage(currentPage + 1);
+    });
+    connect(ui->pageNumber, &QLineEdit::textEdited, this, [this](const QString &text) {
+        const int page = text.toInt();
+        this->showPage(page);
+    });
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::open(const QString &path)
+{
+    if(path.isEmpty()) {
+        return;
+    }
+
+    if(!QFile::exists(path)) {
+        statusBar()->showMessage(tr("Couldn't open file because it doesn't exist"), 3000);
+        return;
+    }
+
+    qDebug("open path: %s", qUtf8Printable(path));
+    delete document;
+
+    document = Poppler::Document::load(path);
+    if(!document || document->isLocked()) {
+        statusBar()->showMessage(tr("Couldn't parse file"), 3000);
+        return;
+    }
+
+    info->setMetadata(InfoForm::Title, document->title());
+    info->setMetadata(InfoForm::Subject, document->subject());
+    info->setMetadata(InfoForm::Author, document->author());
+    info->setMetadata(InfoForm::Creator, document->creator());
+    info->setMetadata(InfoForm::CreationDate, document->creationDate().toString(Qt::RFC2822Date));
+    info->setMetadata(InfoForm::ModificationDate, document->modificationDate().toString(Qt::RFC2822Date));
+    info->setMetadata(InfoForm::Producer, document->producer());
+
+    contents->setContents(document->toc());
+
+    showPage(0);
+
+    statusBar()->showMessage(tr("Opened file %1").arg(path), 3000);
+}
+
+void MainWindow::showPage(int pageNumber)
+{
+    auto *page = document->page(pageNumber);
+    if(page == nullptr)
+        return;
+
+    ui->pageNumber->setText(QString::number(pageNumber));
+
+    const auto image = page->renderToImage();
+    auto *label = new QLabel(this);
+    label->setPixmap(QPixmap::fromImage(image));
+
+    ui->scrollArea->setWidget(label);
+
+    delete page;
+}