From ae53b84efd5523e2aba3255f9f713d4a1df563b3 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Fri, 9 Nov 2018 20:10:58 -0500
Subject: frontend/applets: Add frontend software keyboard provider and default

Default implementation will return "yuzu" for any string. GUI clients (or CLI) can implement the Frontend::SoftwareKeyboardApplet class and register an instance to provide functionality.
---
 src/core/CMakeLists.txt                         |  2 ++
 src/core/frontend/applets/software_keyboard.cpp | 17 ++++++++++
 src/core/frontend/applets/software_keyboard.h   | 44 +++++++++++++++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 src/core/frontend/applets/software_keyboard.cpp
 create mode 100644 src/core/frontend/applets/software_keyboard.h

diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 698f21a39..03ecb2c8c 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -77,6 +77,8 @@ add_library(core STATIC
     file_sys/vfs_vector.h
     file_sys/xts_archive.cpp
     file_sys/xts_archive.h
+    frontend/applets/software_keyboard.cpp
+    frontend/applets/software_keyboard.h
     frontend/emu_window.cpp
     frontend/emu_window.h
     frontend/framebuffer_layout.cpp
diff --git a/src/core/frontend/applets/software_keyboard.cpp b/src/core/frontend/applets/software_keyboard.cpp
new file mode 100644
index 000000000..8cb888a62
--- /dev/null
+++ b/src/core/frontend/applets/software_keyboard.cpp
@@ -0,0 +1,17 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/logging/backend.h"
+#include "core/frontend/applets/software_keyboard.h"
+
+namespace Frontend {
+bool DefaultSoftwareKeyboardApplet::GetText(Parameters parameters, std::u16string& text) {
+    if (parameters.initial_text.empty())
+        text = Common::UTF8ToUTF16("yuzu");
+    else
+        text = parameters.initial_text;
+
+    return true;
+}
+} // namespace Frontend
diff --git a/src/core/frontend/applets/software_keyboard.h b/src/core/frontend/applets/software_keyboard.h
new file mode 100644
index 000000000..d368385d2
--- /dev/null
+++ b/src/core/frontend/applets/software_keyboard.h
@@ -0,0 +1,44 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+#include "common/bit_field.h"
+#include "common/common_types.h"
+
+namespace Frontend {
+class SoftwareKeyboardApplet {
+public:
+    struct Parameters {
+        std::u16string submit_text;
+        std::u16string header_text;
+        std::u16string sub_text;
+        std::u16string guide_text;
+        std::u16string initial_text;
+        std::size_t max_length;
+        bool password;
+        bool cursor_at_beginning;
+
+        union {
+            u8 value;
+
+            BitField<1, 1, u8> disable_space;
+            BitField<2, 1, u8> disable_address;
+            BitField<3, 1, u8> disable_percent;
+            BitField<4, 1, u8> disable_slash;
+            BitField<6, 1, u8> disable_number;
+            BitField<7, 1, u8> disable_download_code;
+        };
+    };
+
+    virtual bool GetText(Parameters parameters, std::u16string& text) = 0;
+    virtual ~SoftwareKeyboardApplet() = default;
+};
+
+class DefaultSoftwareKeyboardApplet final : public SoftwareKeyboardApplet {
+    bool GetText(Parameters parameters, std::u16string& text) override;
+};
+
+} // namespace Frontend
-- 
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