...

3 files changed, 171 insertions, 0 deletions

diff --git a/src/platform/gui/CMakeLists.txt b/src/platform/gui/CMakeLists.txt
new file mode 100644
index 00000000..aca7620c
--- /dev/null
+++ b/src/platform/gui/CMakeLists.txt
@@ -0,0 +1,14 @@
+set(CRU_PLATFORM_GUI_INCLUDE_DIR ${CRU_INCLUDE_DIR}/cru/platform/gui)
+add_library(cru_platform_gui STATIC
+	Keyboard.cpp
+	UiApplication.cpp
+)
+target_sources(cru_platform_gui PUBLIC
+	${CRU_PLATFORM_GUI_INCLUDE_DIR}/Base.hpp
+	${CRU_PLATFORM_GUI_INCLUDE_DIR}/Cursor.hpp
+	${CRU_PLATFORM_GUI_INCLUDE_DIR}/InputMethod.hpp
+	${CRU_PLATFORM_GUI_INCLUDE_DIR}/Keyboard.hpp
+	${CRU_PLATFORM_GUI_INCLUDE_DIR}/Window.hpp
+	${CRU_PLATFORM_GUI_INCLUDE_DIR}/UiApplication.hpp
+)
+target_link_libraries(cru_platform_gui PUBLIC cru_platform_graphics)
diff --git a/src/platform/gui/Keyboard.cpp b/src/platform/gui/Keyboard.cpp
new file mode 100644
index 00000000..24880e00
--- /dev/null
+++ b/src/platform/gui/Keyboard.cpp
@@ -0,0 +1,142 @@
+#include "cru/platform/gui/Keyboard.hpp"
+
+#include <array>
+#include <string>
+#include <string_view>
+
+namespace cru::platform::gui {
+constexpr std::array<std::u16string_view,
+                     static_cast<int>(KeyCode::NumPad9) + 1>
+    key_code_string_list{u"Unknown",
+                         u"LeftButton",
+                         u"MiddleButton",
+                         u"RightButton",
+                         u"Escape",
+                         u"F1",
+                         u"F2",
+                         u"F3",
+                         u"F4",
+                         u"F5",
+                         u"F6",
+                         u"F7",
+                         u"F8",
+                         u"F9",
+                         u"F10",
+                         u"F11",
+                         u"F12",
+                         u"N0",
+                         u"N1",
+                         u"N2",
+                         u"N3",
+                         u"N4",
+                         u"N5",
+                         u"N6",
+                         u"N7",
+                         u"N8",
+                         u"N9",
+                         u"A",
+                         u"B",
+                         u"C",
+                         u"D",
+                         u"E",
+                         u"F",
+                         u"G",
+                         u"H",
+                         u"I",
+                         u"J",
+                         u"K",
+                         u"L",
+                         u"M",
+                         u"N",
+                         u"O",
+                         u"P",
+                         u"Q",
+                         u"R",
+                         u"S",
+                         u"T",
+                         u"U",
+                         u"V",
+                         u"W",
+                         u"X",
+                         u"Y",
+                         u"Z",
+                         u"GraveAccent",
+                         u"Tab",
+                         u"CapsLock",
+                         u"LeftShift",
+                         u"LeftCtrl",
+                         u"LeftSuper",
+                         u"LeftAlt",
+                         u"Minus",
+                         u"Equal",
+                         u"Backspace",
+                         u"LeftSquareBracket",
+                         u"RightSquareBracket",
+                         u"BackSlash",
+                         u"Semicolon",
+                         u"Quote",
+                         u"Comma",
+                         u"Period",
+                         u"Slash",
+                         u"RightShift",
+                         u"RightCtrl",
+                         u"RightSuper",
+                         u"RightAlt",
+                         u"Insert",
+                         u"Delete",
+                         u"Home",
+                         u"End",
+                         u"PageUp",
+                         u"PageDown",
+                         u"Up",
+                         u"Left",
+                         u"Down",
+                         u"Right",
+                         u"PrintScreen",
+                         u"ScrollLock",
+                         u"Pause",
+                         u"NumPad0",
+                         u"NumPad1",
+                         u"NumPad2",
+                         u"NumPad3",
+                         u"NumPad4",
+                         u"NumPad5",
+                         u"NumPad6",
+                         u"NumPad7",
+                         u"NumPad8",
+                         u"NumPad9"};
+
+std::u16string_view ToString(KeyCode key_code) {
+  if (static_cast<int>(key_code) < 0 ||
+      static_cast<int>(key_code) >=
+          static_cast<int>(key_code_string_list.size()))
+    return u"UNKNOWN_KEYCODENAME";
+
+  return key_code_string_list[static_cast<int>(key_code)];
+}
+
+std::u16string ToString(KeyModifier key_modifier,
+                        std::u16string_view separator) {
+  std::vector<std::u16string> list;
+  if (key_modifier & KeyModifiers::shift) {
+    list.push_back(u"Shift");
+  }
+
+  if (key_modifier & KeyModifiers::ctrl) {
+    list.push_back(u"Ctrl");
+  }
+
+  if (key_modifier & KeyModifiers::alt) {
+    list.push_back(u"Shift");
+  }
+
+  if (list.empty()) return u"";
+  std::u16string result = list.front();
+  for (auto iter = list.cbegin() + 1; iter != list.cend(); ++iter) {
+    result += separator;
+    result += *iter;
+  }
+
+  return result;
+}
+}  // namespace cru::platform::gui
diff --git a/src/platform/gui/UiApplication.cpp b/src/platform/gui/UiApplication.cpp
new file mode 100644
index 00000000..f095361e
--- /dev/null
+++ b/src/platform/gui/UiApplication.cpp
@@ -0,0 +1,15 @@
+#include "cru/platform/gui/UiApplication.hpp"
+
+namespace cru::platform::gui {
+IUiApplication* IUiApplication::instance = nullptr;
+
+IUiApplication::IUiApplication() {
+  if (instance) {
+    throw std::runtime_error("An ui application has already been created.");
+  }
+  
+  instance = this;
+}
+
+IUiApplication::~IUiApplication() { instance = nullptr; }
+}  // namespace cru::platform::gui