implement gemini source view widget

Makefile

@@ -20,6 +20,7 @@ SRCS =  src/app.cpp\
 		src/app/browser/main/tab/page/content/text.cpp\
 		src/app/browser/main/tab/page/content/text/gemini.cpp\
 		src/app/browser/main/tab/page/content/text/gemini/reader.cpp\
+		src/app/browser/main/tab/page/content/text/gemini/source.cpp\
 		src/app/browser/main/tab/page/content/text/plain.cpp\
 		src/app/browser/main/tab/page/content/text/plain/reader.cpp\
 		src/app/browser/main/tab/page/navigation.cpp\

po/POTFILES.in

@@ -15,6 +15,7 @@ src/app/browser/main/tab/page/content.cpp
 src/app/browser/main/tab/page/content/text.cpp
 src/app/browser/main/tab/page/content/text/gemini.cpp
 src/app/browser/main/tab/page/content/text/gemini/reader.cpp
+src/app/browser/main/tab/page/content/text/gemini/source.cpp
 src/app/browser/main/tab/page/content/text/plain.cpp
 src/app/browser/main/tab/page/content/text/plain/reader.cpp
 src/app/browser/main/tab/page/navigation.cpp

src/app/browser/main/tab/page/content/text/gemini/source.cpp

@@ -0,0 +1,32 @@
+#include "source.hpp"
+
+using namespace app::browser::main::tab::page::content::text::gemini;
+
+Source::Source(
+    const Glib::ustring & GEMTEXT
+) {
+    set_valign(
+        Gtk::Align::START
+    );
+
+    set_wrap(
+        true
+    );
+
+    set_selectable(
+        true
+    );
+
+    set_use_markup(
+        true
+    );
+
+    set_markup(
+        Glib::ustring::sprintf(
+            "<tt>%s</tt>",
+            Glib::Markup::escape_text(
+                GEMTEXT
+            )
+        )
+    );
+}

src/app/browser/main/tab/page/content/text/gemini/source.hpp

@@ -0,0 +1,24 @@
+#ifndef APP_BROWSER_MAIN_TAB_PAGE_CONTENT_TEXT_GEMINI_SOURCE_HPP
+#define APP_BROWSER_MAIN_TAB_PAGE_CONTENT_TEXT_GEMINI_SOURCE_HPP
+
+#include <glibmm/markup.h>
+#include <glibmm/ustring.h>
+#include <gtkmm/enums.h>
+#include <gtkmm/label.h>
+
+namespace app::browser::main::tab::page::content::text::gemini
+{
+    class Source : public Gtk::Label
+    {
+        /*
+         * Gemini class API
+         */
+        public:
+
+            Source(
+                const Glib::ustring & GEMTEXT
+            );
+    };
+}
+
+#endif // APP_BROWSER_MAIN_TAB_PAGE_CONTENT_TEXT_GEMINI_SOURCE_HPP