diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3159722c543f7c58d882ba6f9f19b489847e9fb8..358bb9fd0fd49a8d7a4e65518acc8314ef4303ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -62,6 +62,7 @@ target_precompile_headers(Vivy PRIVATE
# STL headers
<memory>
<vector>
+ <atomic>
# Qt headers
<QString>
diff --git a/src/UI/AboutWindow.cc b/src/UI/AboutWindow.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2067e34c4bed4318f89d998fe6e5afd30e768e17
--- /dev/null
+++ b/src/UI/AboutWindow.cc
@@ -0,0 +1,50 @@
+#include "AboutWindow.hh"
+
+#include <QCloseEvent>
+
+using namespace Vivy;
+
+// See https://doc.qt.io/qt-5/richtext-html-subset.html for the supported
+// rich text subset.
+static const char *aboutContent =
+ "<body>"
+ " <h1>About Vivy</h1>"
+ " <p>Vivy is a replacement for Aegisub, writen in Qt5+and with less segfaults - hopefully.</p>"
+ " <p>The following libraries where used:</p>"
+ " <ul>"
+ " <li>Qt5</li>"
+ " <li>Lua</li>"
+ " <li>libavutils</li>"
+ " <li>libavcodec</li>"
+ " <li>libavformat</li>"
+ " </ul>"
+ "</body>";
+
+AboutWindow::AboutWindow(QWidget *parent) noexcept
+ : QMainWindow(parent)
+{
+ setWindowIcon(QIcon(":/icons/vivy.png"));
+ panels = new QTabWidget(this);
+ panels->setMovable(false);
+ panels->setTabsClosable(false);
+ panels->setElideMode(Qt::ElideRight);
+ panels->setUsesScrollButtons(true);
+ panels->setDocumentMode(false);
+ setCentralWidget(panels);
+
+ // Simple about message
+ QLabel *aboutLabel = new QLabel(panels);
+ aboutLabel->setTextFormat(Qt::RichText);
+ aboutLabel->setText(aboutContent);
+ aboutLabel->setTextInteractionFlags(Qt::NoTextInteraction);
+
+ // Add the panels
+ panels->addTab(aboutLabel, "About");
+}
+
+void
+AboutWindow::closeEvent(QCloseEvent *event) noexcept
+{
+ emit closed();
+ event->accept();
+}
diff --git a/src/UI/AboutWindow.hh b/src/UI/AboutWindow.hh
new file mode 100644
index 0000000000000000000000000000000000000000..7e498a771e104ae7e7d292110bf21380a8ec2129
--- /dev/null
+++ b/src/UI/AboutWindow.hh
@@ -0,0 +1,28 @@
+#pragma once
+
+#ifndef __cplusplus
+#error "This is a C++ header"
+#endif
+
+#include <QMainWindow>
+#include <QTabWidget>
+#include <QLabel>
+
+namespace Vivy
+{
+class AboutWindow final : public QMainWindow {
+ Q_OBJECT
+
+ QTabWidget *panels;
+
+public:
+ explicit AboutWindow(QWidget *parent) noexcept;
+ ~AboutWindow() noexcept = default;
+
+signals:
+ void closed();
+
+private:
+ void closeEvent(QCloseEvent *bar) noexcept override;
+};
+}
diff --git a/src/UI/DialogHelp.cc b/src/UI/DialogHelp.cc
deleted file mode 100644
index bd0abab31efb949dabe7df5a357e9eedb98b9953..0000000000000000000000000000000000000000
--- a/src/UI/DialogHelp.cc
+++ /dev/null
@@ -1,54 +0,0 @@
-#include "DialogHelp.hh"
-#include "../VivyApplication.hh"
-
-#include <QWidget>
-#include <QLabel>
-#include <QDialog>
-#include <QPixmap>
-
-using namespace Vivy;
-
-// See https://doc.qt.io/qt-5/richtext-html-subset.html for the supported
-// rich text subset.
-static const char *aboutContentHeader =
- "<body>"
- "<h1>About Vivy</h1>"
- "<p>Vivy is a replacement for Aegisub, writen in Qt5+and with less segfaults - hopefully.</p>"
- "<p>The following libraries where used:</p>"
- "<ul>"
- " <li>Qt5</li>"
- " <li>libavutils</li>"
- " <li>libavcodec</li>"
- " <li>libavformat</li>"
- "</ul>";
-static const char *aboutContentFooter = "</body>";
-
-DialogHelp::DialogHelp(QWidget *parent) noexcept
- : QMessageBox(parent)
-{
- setWindowTitle("Vivy - Help");
- setWindowFlags(Qt::Dialog);
- setWindowModality(Qt::WindowModal);
- QSizePolicy sizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
- setSizePolicy(sizePolicy);
-
- setTextFormat(Qt::RichText);
- setText(getAboutContent());
- setTextInteractionFlags(Qt::NoTextInteraction);
-
- adjustSize();
-}
-
-QString
-DialogHelp::getAboutContent() const noexcept
-{
- QString ret;
- ret = aboutContentHeader;
-
- ret.append("<p>Vivy will handle the following most of the video and audio formats.");
- ret.append("The audio formats are: " + Utils::audioFileSuffix.join(", "));
- ret.append("The video formats are: " + Utils::videoFileSuffix.join(", ") + "</p>");
-
- ret.append(aboutContentFooter);
- return ret;
-}
diff --git a/src/UI/DialogHelp.hh b/src/UI/DialogHelp.hh
deleted file mode 100644
index 0bb5d9e09810ba60765cc462ae16237ccca8814e..0000000000000000000000000000000000000000
--- a/src/UI/DialogHelp.hh
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef VIVY_DIALOGHELP_H
-#define VIVY_DIALOGHELP_H
-
-#ifndef __cplusplus
-#error "This is a C++ header"
-#endif
-
-#include <QMessageBox>
-#include <QWidget>
-
-namespace Vivy
-{
-class DialogHelp final : public QMessageBox {
- Q_OBJECT
-
-public:
- explicit DialogHelp(QWidget *parent = nullptr) noexcept;
- ~DialogHelp() noexcept = default;
-
-private:
- QString getAboutContent() const noexcept;
-};
-
-}
-
-#endif // VIVY_DIALOGHELP_H
diff --git a/src/UI/MainWindow.cc b/src/UI/MainWindow.cc
index a362c375b6364c810f0530debb0d414d8ab2efde..cee2d3c26f88b5d8c1e2c9be0e5f8d86a8801a23 100644
--- a/src/UI/MainWindow.cc
+++ b/src/UI/MainWindow.cc
@@ -1,10 +1,11 @@
#include "MainWindow.hh"
-#include "DialogHelp.hh"
#include "PropertyModel.hh"
#include "VivyDocumentView.hh"
+#include "AboutWindow.hh"
#include "../Lib/Utils.hh"
#include "../VivyApplication.hh"
+#include <mutex>
#include <algorithm>
#include <functional>
#include <QWindow>
@@ -21,6 +22,7 @@
#include <QImage>
#include <QToolBar>
#include <QTabWidget>
+#include <QEventLoop>
#define DCL_MENU(menu, name) [[maybe_unused]] QMenu *menu##Menu = menuBar()->addMenu(name);
@@ -163,8 +165,16 @@ MainWindow::openProperties(int index) noexcept
void
MainWindow::openDialogHelp() noexcept
{
- std::unique_ptr<DialogHelp> help_holder = std::make_unique<DialogHelp>(this);
- help_holder->exec();
+ if (aboutWindowMutex.try_lock() && aboutWindow == nullptr) {
+ aboutWindow = new AboutWindow(this);
+ QEventLoop loop;
+ connect(aboutWindow, &AboutWindow::closed, &loop, &QEventLoop::quit);
+ aboutWindow->show();
+ loop.exec();
+ delete aboutWindow;
+ aboutWindow = nullptr;
+ aboutWindowMutex.unlock();
+ }
}
AbstractDocument *
diff --git a/src/UI/MainWindow.hh b/src/UI/MainWindow.hh
index d42f057cb204720379445e45bc78bae675243f07..0b4b82f1d8a4d75ca233ab08fbc2d575b098d3f5 100644
--- a/src/UI/MainWindow.hh
+++ b/src/UI/MainWindow.hh
@@ -1,5 +1,4 @@
-#ifndef VIVY_MAINWINDOW_H
-#define VIVY_MAINWINDOW_H
+#pragma once
#ifndef __cplusplus
#error "This is a C++ header"
@@ -10,9 +9,11 @@
#include "../Lib/Document/VivyDocumentStore.hh"
#include "DocumentViews/AudioVisualizer.hh"
#include "VivyDocumentView.hh"
+#include "AboutWindow.hh"
#include <QMainWindow>
#include <QMenu>
#include <QFileDialog>
+#include <QMutex>
namespace Vivy
{
@@ -22,6 +23,9 @@ class MainWindow final : public QMainWindow {
QTabWidget *documents{ nullptr };
QMenu *viewMenu{ nullptr };
+ QMutex aboutWindowMutex{ QMutex::NonRecursive };
+ AboutWindow *aboutWindow{ nullptr };
+
public:
explicit MainWindow(QWidget *parent = nullptr) noexcept;
~MainWindow() noexcept = default;
@@ -89,5 +93,3 @@ private slots:
};
}
-
-#endif // VIVY_MAINWINDOW_H