From 280144f4eb758711be859a366dcb9e803a103f36 Mon Sep 17 00:00:00 2001
From: Le Tan <tamlokveer@gmail.com>
Date: Sun, 15 Aug 2021 10:10:05 +0800
Subject: [PATCH] macOS: handle file open event requested by Finder

---
 src/application.cpp | 23 +++++++++++++++++++++++
 src/application.h   | 22 ++++++++++++++++++++++
 src/main.cpp        |  9 +++++++--
 src/src.pro         |  2 ++
 4 files changed, 54 insertions(+), 2 deletions(-)
 create mode 100644 src/application.cpp
 create mode 100644 src/application.h

diff --git a/src/application.cpp b/src/application.cpp
new file mode 100644
index 00000000..02e4e86d
--- /dev/null
+++ b/src/application.cpp
@@ -0,0 +1,23 @@
+#include "application.h"
+
+#include <QFileOpenEvent>
+#include <QDebug>
+
+using namespace vnotex;
+
+Application::Application(int &p_argc, char **p_argv)
+    : QApplication(p_argc, p_argv)
+{
+}
+
+bool Application::event(QEvent *p_event)
+{
+    // On macOS, we need this to open file from Finder.
+    if (p_event->type() == QEvent::FileOpen) {
+        QFileOpenEvent *openEvent = static_cast<QFileOpenEvent *>(p_event);
+        qDebug() << "request to open file" << openEvent->file();
+        emit openFileRequested(openEvent->file());
+    }
+
+    return QApplication::event(p_event);
+}
diff --git a/src/application.h b/src/application.h
new file mode 100644
index 00000000..4e08903e
--- /dev/null
+++ b/src/application.h
@@ -0,0 +1,22 @@
+#ifndef APPLICATION_H
+#define APPLICATION_H
+
+#include <QApplication>
+
+namespace vnotex
+{
+    class Application : public QApplication
+    {
+        Q_OBJECT
+    public:
+        Application(int &p_argc, char **p_argv);
+
+    signals:
+        void openFileRequested(const QString &p_filePath);
+
+    protected:
+        bool event(QEvent *p_event) Q_DECL_OVERRIDE;
+    };
+}
+
+#endif // APPLICATION_H
diff --git a/src/main.cpp b/src/main.cpp
index a24f1f24..e9092ca7 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,3 @@
-#include <QApplication>
 #include <QDebug>
 #include <QTextCodec>
 #include <QSslSocket>
@@ -22,6 +21,7 @@
 #include <core/exception.h>
 #include <widgets/messageboxhelper.h>
 #include "commandlineoptions.h"
+#include "application.h"
 
 using namespace vnotex;
 
@@ -68,7 +68,7 @@ int main(int argc, char *argv[])
     }
 #endif
 
-    QApplication app(argc, argv);
+    Application app(argc, argv);
 
     initWebEngineSettings();
 
@@ -162,6 +162,11 @@ int main(int argc, char *argv[])
     QObject::connect(&guard, &SingleInstanceGuard::openFilesRequested,
                      &window, &MainWindow::openFiles);
 
+    QObject::connect(&app, &Application::openFileRequested,
+                     &window, [&window](const QString &p_filePath) {
+                         window.openFiles(QStringList() << p_filePath);
+                     });
+
     window.kickOffOnStart(cmdOptions.m_pathsToOpen);
 
     int ret = app.exec();
diff --git a/src/src.pro b/src/src.pro
index 28b4ade5..6556b947 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -32,6 +32,7 @@ TRANSLATIONS += \
     data/core/translations/vnote_ja.ts
 
 SOURCES += \
+    application.cpp \
     commandlineoptions.cpp \
     main.cpp
 
@@ -148,4 +149,5 @@ unix:!macx {
 }
 
 HEADERS += \
+    application.h \
     commandlineoptions.h