From 3d1f480798f8708a85785d16f10ae10ed997bfeb Mon Sep 17 00:00:00 2001
From: "Felix (xq) Queißner" <git@mq32.de>
Date: Mon, 17 Aug 2020 12:05:40 +0200
Subject: Adds 'show document source' menu item. Closes #11.

---
 src/about/updates.gemini |  1 +
 src/browsertab.cpp       | 37 +++++++++++++++++++++++++++++++++++++
 src/browsertab.hpp       |  2 ++
 src/main.cpp             |  2 +-
 src/mainwindow.cpp       | 12 +++++++++++-
 src/mainwindow.hpp       |  2 ++
 src/mainwindow.ui        |  7 +++++++
 7 files changed, 61 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/about/updates.gemini b/src/about/updates.gemini
index 7c5730f..a6df987 100644
--- a/src/about/updates.gemini
+++ b/src/about/updates.gemini
@@ -11,6 +11,7 @@
 * Improved settings system with folder-based approach
 * Document styles are now saved as files which are exchangeable
 * Adds colored icons to dark/light theme so it has improved contrast
+* New action: "View/Show document source" will display the raw data of the document in a small separate window
 
 ## 0.3 - TLS and security
 * Adds support for transient client certificates
diff --git a/src/browsertab.cpp b/src/browsertab.cpp
index 87c1c7d..2c34314 100644
--- a/src/browsertab.cpp
+++ b/src/browsertab.cpp
@@ -39,6 +39,11 @@
 #include <QShortcut>
 #include <QKeySequence>
 
+#include <QPlainTextEdit>
+#include <QVBoxLayout>
+#include <QDialogButtonBox>
+#include <QPushButton>
+
 #include <QGraphicsPixmapItem>
 #include <QGraphicsTextItem>
 
@@ -215,6 +220,38 @@ void BrowserTab::focusSearchBar()
     this->ui->search_box->selectAll();
 }
 
+void BrowserTab::openSourceView()
+{
+    QFont monospace_font("monospace");
+    monospace_font.setStyleHint(QFont::Monospace);
+
+    auto dialog = std::make_unique<QDialog>(this);
+    dialog->setWindowTitle(QString("Source of %0").arg(this->current_location.toString()));
+
+    auto layout = new QVBoxLayout(dialog.get());
+    dialog->setLayout(layout);
+
+    auto hint = new QLabel(dialog.get());
+    hint->setText(QString("Mime type: %0").arg(current_mime.toString()));
+    layout->addWidget(hint);
+
+    auto text = new QPlainTextEdit(dialog.get());
+    text->setPlainText(QString::fromUtf8(current_buffer));
+    text->setReadOnly(true);
+    text->setFont(monospace_font);
+    text->setWordWrapMode(QTextOption::NoWrap);
+    layout->addWidget(text);
+
+    auto buttons = new QDialogButtonBox(dialog.get());
+    buttons->setStandardButtons(QDialogButtonBox::Ok);
+    layout->addWidget(buttons);
+
+    connect(buttons->button(QDialogButtonBox::Ok), &QPushButton::pressed, dialog.get(), &QDialog::accept);
+
+    dialog->resize(640, 480);
+    dialog->exec();
+}
+
 void BrowserTab::on_url_bar_returnPressed()
 {
     QUrl url { this->ui->url_bar->text().trimmed() };
diff --git a/src/browsertab.hpp b/src/browsertab.hpp
index 7e7f446..0a8f26e 100644
--- a/src/browsertab.hpp
+++ b/src/browsertab.hpp
@@ -71,6 +71,8 @@ public:
 
     void focusSearchBar();
 
+    void openSourceView();
+
 signals:
     void titleChanged(QString const & title);
     void locationChanged(QUrl const & url);
diff --git a/src/main.cpp b/src/main.cpp
index 8de3530..46bc7e9 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -78,7 +78,7 @@ static void addEmojiSubstitutions()
     {
         auto current = QFont::substitutes(family);
         current << emojiFonts;
-        QFont::insertSubstitutions(family, current);
+        // TODO: QFont::insertSubstitutions(family, current);
     }
 }
 
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index ba80651..ee79efa 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -62,7 +62,9 @@ MainWindow::MainWindow(QApplication * app, QWidget *parent) :
         for(QAction * act : this->ui->menuView->actions())
         {
             auto * dock = qvariant_cast<QDockWidget*>(act->data());
-            act->setChecked(dock->isVisible());
+            if(dock != nullptr) {
+                act->setChecked(dock->isVisible());
+            }
         }
     });
 
@@ -456,3 +458,11 @@ void MainWindow::on_actionManage_Certificates_triggered()
 
     kristall::saveSettings();
 }
+
+void MainWindow::on_actionShow_document_source_triggered()
+{
+    BrowserTab * tab = qobject_cast<BrowserTab*>(this->ui->browser_tabs->currentWidget());
+    if(tab != nullptr) {
+        tab->openSourceView();
+    }
+}
diff --git a/src/mainwindow.hpp b/src/mainwindow.hpp
index 1966684..6cfee9f 100644
--- a/src/mainwindow.hpp
+++ b/src/mainwindow.hpp
@@ -75,6 +75,8 @@ private slots:
 
     void on_actionManage_Certificates_triggered();
 
+    void on_actionShow_document_source_triggered();
+
 private: // slots
 
     void on_tab_fileLoaded(DocumentStats const & stats);
diff --git a/src/mainwindow.ui b/src/mainwindow.ui
index 7c792a5..ea7c7cd 100644
--- a/src/mainwindow.ui
+++ b/src/mainwindow.ui
@@ -203,6 +203,8 @@
     <property name="title">
      <string>View</string>
     </property>
+    <addaction name="actionShow_document_source"/>
+    <addaction name="separator"/>
    </widget>
    <widget class="QMenu" name="menuNavigation">
     <property name="title">
@@ -388,6 +390,11 @@
     <string>Manage Certificates…</string>
    </property>
   </action>
+  <action name="actionShow_document_source">
+   <property name="text">
+    <string>Show document source</string>
+   </property>
+  </action>
  </widget>
  <customwidgets>
   <customwidget>
-- 
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