1 files changed, 235 insertions, 0 deletions
diff --git a/tools/platform/window.h b/tools/platform/window.h
new file mode 100644
index 000000000..c776c3ffa
--- /dev/null
+++ b/tools/platform/window.h
@@ -0,0 +1,235 @@
+// window.h
+#pragma once
+
+#include "slang-com-ptr.h"
+#include "source/core/slang-basic.h"
+#include "source/core/slang-func-ptr.h"
+
+namespace platform {
+
+enum class KeyCode : uint32_t
+{
+    None = 0,
+    Left = 0x25,
+    Up = 0x26,
+    Down = 0x28,
+    Right = 0x27,
+    Escape = 0x1B,
+    Return = 0x0D,
+    Space = 0x20,
+    Shift = 0x10,
+    Ctrl = 0x11,
+    Alt = 0x12,
+    Backspace = 0x08,
+    Delete = 0x2E,
+    Home = 0x24,
+    End = 0x23,
+    PageUp = 0x21,
+    PageDown = 0x22,
+    Insert = 0x2D,
+    Tab = 0x09,
+    A = 0x41,
+    B = 0x42,
+    C = 0x43,
+    D = 0x44,
+    E = 0x45,
+    F = 0x46,
+    G = 0x47,
+    H = 0x48,
+    I = 0x49,
+    J = 0x4A,
+    K = 0x4B,
+    L = 0x4C,
+    M = 0x4D,
+    N = 0x4E,
+    O = 0x4F,
+    P = 0x50,
+    Q = 0x51,
+    R = 0x52,
+    S = 0x53,
+    T = 0x54,
+    U = 0x55,
+    V = 0x56,
+    W = 0x57,
+    X = 0x58,
+    Y = 0x59,
+    Z = 0x5A,
+    Semicolon = 0xBA,
+    Comma = 0xBC,
+    Dot = 0xBE,
+    Slash = 0xBF,
+    Quote = 0xDE,
+    LBracket = 0xDB,
+    RBracket = 0xDD,
+    Backslash = 0xDC,
+    Minus = 0xBD,
+    Plus = 0xBB,
+    Tilde = 0xC0,
+    Key0 = 0x30,
+    Key1 = 0x31,
+    Key2 = 0x32,
+    Key3 = 0x33,
+    Key4 = 0x34,
+    Key5 = 0x35,
+    Key6 = 0x36,
+    Key7 = 0x37,
+    Key8 = 0x38,
+    Key9 = 0x39,
+    F1 = 0x70,
+    F2 = 0x71,
+    F3 = 0x72,
+    F4 = 0x73,
+    F5 = 0x74,
+    F6 = 0x75,
+    F7 = 0x76,
+    F8 = 0x77,
+    F9 = 0x78,
+    F10 = 0x79,
+    F11 = 0x7A,
+    F12 = 0x7B,
+};
+
+struct WindowHandle
+{
+    enum class Type
+    {
+        Unknown,
+        Win32Handle,
+        XLibHandle,
+    };
+    Type type;
+    intptr_t handleValues[2];
+    static WindowHandle FromHwnd(void* hwnd)
+    {
+        WindowHandle handle = {};
+        handle.type = WindowHandle::Type::Win32Handle;
+        handle.handleValues[0] = (intptr_t)(hwnd);
+        return handle;
+    }
+    static WindowHandle FromXWindow(void* xdisplay, uint32_t xwindow)
+    {
+        WindowHandle handle = {};
+        handle.type = WindowHandle::Type::XLibHandle;
+        handle.handleValues[0] = (intptr_t)(xdisplay);
+        handle.handleValues[1] = xwindow;
+        return handle;
+    }
+};
+
+struct ButtonState
+{
+    enum Enum
+    {
+        None = 0, LeftButton = 1, RightButton = 2, MiddleButton = 4,
+        Shift = 8, Control = 16, Alt = 32
+    };
+};
+
+struct KeyEventArgs
+{
+    KeyCode key;
+    wchar_t keyChar; // For KeyPress event
+    ButtonState::Enum buttons;
+    bool cancelEvent;
+};
+
+struct MouseEventArgs
+{
+    int x, y;
+    int delta;
+    ButtonState::Enum buttons;
+};
+
+struct Rect
+{
+    int x, y;
+    int width, height;
+};
+
+struct WindowDesc
+{
+    char const* title = nullptr;
+    int width = 0;
+    int height = 0;
+};
+
+class Window : public Slang::RefObject
+{
+public:
+    struct Events
+    {
+        Slang::Action<> mainLoop;
+        Slang::Action<> sizeChanged;
+        Slang::Action<> focus;
+        Slang::Action<> lostFocus;
+        Slang::Action<KeyEventArgs&> keyDown;
+        Slang::Action<KeyEventArgs&> keyUp;
+        Slang::Action<KeyEventArgs&> keyPress;
+        Slang::Action<MouseEventArgs> mouseMove;
+        Slang::Action<MouseEventArgs> mouseUp;
+        Slang::Action<MouseEventArgs> mouseDown;
+    };
+
+    Events events;
+
+    virtual void setClientSize(uint32_t width, uint32_t height) = 0;
+    virtual Rect getClientRect() = 0;
+    virtual void centerScreen() = 0;
+    virtual void close() = 0;
+    virtual bool getFocused() = 0;
+    virtual bool getVisible() = 0;
+    virtual WindowHandle getNativeHandle() = 0;
+    virtual void setText(Slang::String text) = 0;
+    virtual void show() = 0;
+    virtual void hide() = 0;
+    virtual int getCurrentDpi() = 0;
+};
+
+class Application
+{
+public:
+    static Window* createWindow(const WindowDesc& desc);
+    static void init();
+    static void run(Window* mainWindow, bool waitForEvents = false);
+    static void quit();
+    static void doEvents();
+    static void dispose();
+};
+
+} // namespace platform
+
+#ifdef _WIN32
+
+#    ifdef _MSC_VER
+#        ifdef _DEBUG
+#            define GFX_DUMP_LEAK _CrtDumpMemoryLeaks();
+#        endif
+#    endif
+#    ifndef GFX_DUMP_LEAK
+#        define GFX_DUMP_LEAK
+#    endif
+#    define PLATFORM_UI_MAIN(APPLICATION_ENTRY) \
+        int __stdcall WinMain(                  \
+            void* /*instance*/,                 \
+            void* /* prevInstance */,           \
+            void* /* commandLine */,            \
+            int /*showCommand*/)                \
+        {                                       \
+            platform::Application::init();      \
+            auto result = APPLICATION_ENTRY();  \
+            platform::Application::dispose();   \
+            GFX_DUMP_LEAK                       \
+            return result;                      \
+        }
+
+#else
+
+#    define PLATFORM_UI_MAIN(APPLICATION_ENTRY) \
+        int main()                              \
+        {                                       \
+            platform::Application::init();      \
+            auto rs - APPLICATION_ENTRY();      \
+            platform::Application::dispose();   \
+        }
+
+#endif