From 1912c35d6d3f682e75cf47cf1dcdb0466aa2c382 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Tue, 20 Aug 2019 12:23:35 +0200
Subject: [PATCH] GUI: sysinfo: copy the whole Markdown text on Ctrl+C

---
 .../util/text_display_dialog.cpp              | 25 ++++++++++++++++++-
 src/mkvtoolnix-gui/util/text_display_dialog.h |  4 +++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/mkvtoolnix-gui/util/text_display_dialog.cpp b/src/mkvtoolnix-gui/util/text_display_dialog.cpp
index 631b0d225..c944544fc 100644
--- a/src/mkvtoolnix-gui/util/text_display_dialog.cpp
+++ b/src/mkvtoolnix-gui/util/text_display_dialog.cpp
@@ -1,6 +1,9 @@
 #include "common/common_pch.h"
 
 #include <QClipboard>
+#include <QEvent>
+#include <QKeyEvent>
+#include <QKeySequence>
 
 #include "common/markdown.h"
 #include "common/qt.h"
@@ -14,6 +17,7 @@ class TextDisplayDialogPrivate {
 
   std::unique_ptr<Ui::TextDisplayDialog> ui;
   QString m_text;
+  TextDisplayDialog::Format m_format{TextDisplayDialog::Format::Plain};
 
   TextDisplayDialogPrivate()
     : ui{new Ui::TextDisplayDialog}
@@ -30,6 +34,8 @@ TextDisplayDialog::TextDisplayDialog(QWidget *parent)
   // Setup UI controls.
   p->ui->setupUi(this);
 
+  p->ui->text->installEventFilter(this);
+
   connect(p->ui->pbClose,           &QPushButton::clicked, this, &TextDisplayDialog::accept);
   connect(p->ui->pbCopyToClipboard, &QPushButton::clicked, this, &TextDisplayDialog::copyToClipboard);
 }
@@ -62,7 +68,8 @@ TextDisplayDialog::setText(QString const &text,
       break;
   }
 
-  p->m_text = text;
+  p->m_text   = text;
+  p->m_format = format;
 
   return *this;
 }
@@ -72,4 +79,20 @@ TextDisplayDialog::copyToClipboard() {
   QApplication::clipboard()->setText(p_func()->m_text);
 }
 
+bool
+TextDisplayDialog::eventFilter(QObject *o,
+                               QEvent *e) {
+  auto p = p_func();
+
+  if (   (p->m_format == Format::Markdown)
+      && (o           == p->ui->text)
+      && (e->type()   == QEvent::KeyPress)
+      && (static_cast<QKeyEvent *>(e)->matches(QKeySequence::Copy))) {
+    copyToClipboard();
+    return true;
+  }
+
+  return QDialog::eventFilter(o, e);
+}
+
 }}}
diff --git a/src/mkvtoolnix-gui/util/text_display_dialog.h b/src/mkvtoolnix-gui/util/text_display_dialog.h
index 79847d2be..960c12d2b 100644
--- a/src/mkvtoolnix-gui/util/text_display_dialog.h
+++ b/src/mkvtoolnix-gui/util/text_display_dialog.h
@@ -4,6 +4,8 @@
 
 #include <QDialog>
 
+class QEvent;
+
 namespace mtx { namespace gui { namespace Util {
 
 class TextDisplayDialogPrivate;
@@ -29,6 +31,8 @@ public:
   TextDisplayDialog &setTitle(QString const &title);
   TextDisplayDialog &setText(QString const &text, Format format);
 
+  virtual bool eventFilter(QObject *o, QEvent *e) override;
+
 public slots:
   virtual void copyToClipboard();
 };