diff options
Diffstat (limited to 'src/win32')
-rw-r--r-- | src/win32/ffi.rs | 424 | ||||
-rw-r--r-- | src/win32/mod.rs | 354 |
2 files changed, 778 insertions, 0 deletions
diff --git a/src/win32/ffi.rs b/src/win32/ffi.rs new file mode 100644 index 0000000..63afef4 --- /dev/null +++ b/src/win32/ffi.rs @@ -0,0 +1,424 @@ +#![allow(dead_code)] +#![allow(non_snake_case_functions)] +#![allow(non_camel_case_types)] + +use libc; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/aa383751(v=vs.85).aspx +// we don't define the T types to ensure that A/W functions are used +pub type ATOM = WORD; +pub type BOOL = libc::c_int; +pub type BOOLEAN = BYTE; +pub type BYTE = libc::c_uchar; +pub type DWORD = libc::c_ulong; +pub type HANDLE = PVOID; +pub type HBRUSH = HANDLE; +pub type HCURSOR = HICON; +pub type HDC = HANDLE; +pub type HICON = HANDLE; +pub type HINSTANCE = HANDLE; +pub type HLOCAL = HANDLE; +pub type HMENU = HANDLE; +pub type HMODULE = HINSTANCE; +pub type HWND = HANDLE; +pub type LONG = libc::c_long; +pub type LONG_PTR = int; +pub type LPARAM = LONG_PTR; +pub type LPCSTR = *const libc::c_char; +pub type LPCWSTR = *const WCHAR; +pub type LPCVOID = *const libc::c_void; +pub type LPSTR = *mut libc::c_char; +pub type LPVOID = *mut libc::c_void; +pub type LPWSTR = *mut WCHAR; +pub type LRESULT = LONG_PTR; +pub type PVOID = *mut libc::c_void; +pub type UINT = libc::c_uint; +pub type UINT_PTR = int; +pub type WCHAR = libc::wchar_t; +pub type WORD = libc::c_ushort; +pub type WPARAM = UINT_PTR; + +// macros +pub fn LOWORD(l: DWORD) -> WORD { + (l & 0xFFFF) as WORD +} + +pub fn HIWORD(l: DWORD) -> WORD { + (l >> 16) as WORD +} + +pub fn GET_X_LPARAM(lp: LONG_PTR) -> libc::c_int { + LOWORD(lp as DWORD) as libc::c_int +} + +pub fn GET_Y_LPARAM(lp: LONG_PTR) -> libc::c_int { + HIWORD(lp as DWORD) as libc::c_int +} + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ff485887(v=vs.85).aspx +pub static BN_CLICKED: WORD = 0; +pub static BN_DBLCLK: WORD = 5; +pub static BN_DISABLE: WORD = 4; +pub static BN_DOUBLECLICKED: WORD = 5; +pub static BN_HILITE: WORD = 2; +pub static BN_KILLFOCUS: WORD = 7; +pub static BN_PAINT: WORD = 1; +pub static BN_PUSHED: WORD = 2; +pub static BN_SETFOCUS: WORD = 6; +pub static BN_UNHILITE: WORD = 3; +pub static BN_UNPUSHED: WORD = 3; + +// ? +pub static BS_3STATE: DWORD = 5; +pub static BS_AUTO3STATE: DWORD = 6; +pub static BS_AUTOCHECKBOX: DWORD = 3; +pub static BS_AUTORADIOBUTTON: DWORD = 9; +pub static BS_BITMAP: DWORD = 128; +pub static BS_BOTTOM: DWORD = 0x800; +pub static BS_CENTER: DWORD = 0x300; +pub static BS_CHECKBOX: DWORD = 2; +pub static BS_DEFPUSHBUTTON: DWORD = 1; +pub static BS_GROUPBOX: DWORD = 7; +pub static BS_ICON: DWORD = 64; +pub static BS_LEFT: DWORD = 256; +pub static BS_LEFTTEXT: DWORD = 32; +pub static BS_MULTILINE: DWORD = 0x2000; +pub static BS_NOTIFY: DWORD = 0x4000; +pub static BS_OWNERDRAW: DWORD = 0xb; +pub static BS_PUSHBUTTON: DWORD = 0; +pub static BS_PUSHLIKE: DWORD = 4096; +pub static BS_RADIOBUTTON: DWORD = 4; +pub static BS_RIGHT: DWORD = 512; +pub static BS_RIGHTBUTTON: DWORD = 32; +pub static BS_TEXT: DWORD = 0; +pub static BS_TOP: DWORD = 0x400; +pub static BS_USERBUTTON: DWORD = 8; +pub static BS_VCENTER: DWORD = 0xc00; +pub static BS_FLAT: DWORD = 0x8000; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ff729176(v=vs.85).aspx +pub static CS_BYTEALIGNCLIENT: DWORD = 0x1000; +pub static CS_BYTEALIGNWINDOW: DWORD = 0x2000; +pub static CS_CLASSDC: DWORD = 0x0040; +pub static CS_DBLCLKS: DWORD = 0x0008; +pub static CS_DROPSHADOW: DWORD = 0x00020000; +pub static CS_GLOBALCLASS: DWORD = 0x4000; +pub static CS_HREDRAW: DWORD = 0x0002; +pub static CS_NOCLOSE: DWORD = 0x0200; +pub static CS_OWNDC: DWORD = 0x0020; +pub static CS_PARENTDC: DWORD = 0x0080; +pub static CS_SAVEBITS: DWORD = 0x0800; +pub static CS_VREDRAW: DWORD = 0x0001; + +// ? +#[allow(type_overflow)] +pub static CW_USEDEFAULT: libc::c_int = 0x80000000; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms679351(v=vs.85).aspx +pub static FORMAT_MESSAGE_ALLOCATE_BUFFER: DWORD = 0x00000100; +pub static FORMAT_MESSAGE_ARGUMENT_ARRAY: DWORD = 0x00002000; +pub static FORMAT_MESSAGE_FROM_HMODULE: DWORD = 0x00000800; +pub static FORMAT_MESSAGE_FROM_STRING: DWORD = 0x00000400; +pub static FORMAT_MESSAGE_FROM_SYSTEM: DWORD = 0x00001000; +pub static FORMAT_MESSAGE_IGNORE_INSERTS: DWORD = 0x00000200; + +// ? +pub static PFD_TYPE_RGBA: BYTE = 0; +pub static PFD_TYPE_COLORINDEX: BYTE = 1; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms633548(v=vs.85).aspx +pub static SW_FORCEMINIMIZE: libc::c_int = 11; +pub static SW_HIDE: libc::c_int = 0; +pub static SW_MAXIMIZE: libc::c_int = 3; +pub static SW_MINIMIZE: libc::c_int = 6; +pub static SW_RESTORE: libc::c_int = 9; +pub static SW_SHOW: libc::c_int = 5; +pub static SW_SHOWDEFAULT: libc::c_int = 10; +pub static SW_SHOWMAXIMIZED: libc::c_int = 3; +pub static SW_SHOWMINIMIZED: libc::c_int = 2; +pub static SW_SHOWMINNOACTIVE: libc::c_int = 7; +pub static SW_SHOWNA: libc::c_int = 8; +pub static SW_SHOWNOACTIVATE: libc::c_int = 4; +pub static SW_SHOWNORMAL: libc::c_int = 1; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms633545(v=vs.85).aspx +pub static SWP_ASYNCWINDOWPOS: UINT = 0x4000; +pub static SWP_DEFERERASE: UINT = 0x2000; +pub static SWP_DRAWFRAME: UINT = 0x0020; +pub static SWP_FRAMECHANGED: UINT = 0x0020; +pub static SWP_HIDEWINDOW: UINT = 0x0080; +pub static SWP_NOACTIVATE: UINT = 0x0010; +pub static SWP_NOCOPYBITS: UINT = 0x0100; +pub static SWP_NOMOVE: UINT = 0x0002; +pub static SWP_NOOWNERZORDER: UINT = 0x0200; +pub static SWP_NOREDRAW: UINT = 0x0008; +pub static SWP_NOREPOSITION: UINT = 0x0200; +pub static SWP_NOSENDCHANGING: UINT = 0x0400; +pub static SWP_NOSIZE: UINT = 0x0001; +pub static SWP_NOZORDER: UINT = 0x0004; +pub static SWP_SHOWWINDOW: UINT = 0x0040; + +// messages +pub static WM_COMMAND: UINT = 0x0111; +pub static WM_DESTROY: UINT = 0x0002; +pub static WM_MOUSEMOVE: UINT = 0x0200; +pub static WM_PAINT: UINT = 0x000F; +pub static WM_SIZE: UINT = 0x0005; +pub static WM_SIZING: UINT = 0x0214; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms632600(v=vs.85).aspx +pub static WS_BORDER: DWORD = 0x00800000; +pub static WS_CAPTION: DWORD = 0x00C00000; +pub static WS_CHILD: DWORD = 0x40000000; +pub static WS_CHILDWINDOW: DWORD = 0x40000000; +pub static WS_CLIPCHILDREN: DWORD = 0x02000000; +pub static WS_CLIPSIBLINGS: DWORD = 0x04000000; +pub static WS_DISABLED: DWORD = 0x08000000; +pub static WS_DLGFRAME: DWORD = 0x00400000; +pub static WS_GROUP: DWORD = 0x00020000; +pub static WS_HSCROLL: DWORD = 0x00100000; +pub static WS_ICONIC: DWORD = 0x20000000; +pub static WS_MAXIMIZE: DWORD = 0x01000000; +pub static WS_MAXIMIZEBOX: DWORD = 0x00010000; +pub static WS_MINIMIZE: DWORD = 0x20000000; +pub static WS_MINIMIZEBOX: DWORD = 0x00020000; +pub static WS_OVERLAPPED: DWORD = 0x00000000; +pub static WS_OVERLAPPEDWINDOW: DWORD = (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX); +pub static WS_POPUP: DWORD = 0x80000000; +pub static WS_POPUPWINDOW: DWORD = (WS_POPUP | WS_BORDER | WS_SYSMENU); +pub static WS_SIZEBOX: DWORD = 0x00040000; +pub static WS_SYSMENU: DWORD = 0x00080000; +pub static WS_TABSTOP: DWORD = 0x00010000; +pub static WS_THICKFRAME: DWORD = 0x00040000; +pub static WS_TILED: DWORD = 0x00000000; +pub static WS_TILEDWINDOW: DWORD = (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX); +pub static WS_VISIBLE: DWORD = 0x10000000; +pub static WS_VSCROLL: DWORD = 0x00200000; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ff700543(v=vs.85).aspx +pub static WS_EX_ACCEPTFILES: DWORD = 0x00000010; +pub static WS_EX_APPWINDOW: DWORD = 0x00040000; +pub static WS_EX_CLIENTEDGE: DWORD = 0x00000200; +pub static WS_EX_COMPOSITED: DWORD = 0x02000000; +pub static WS_EX_CONTEXTHELP: DWORD = 0x00000400; +pub static WS_EX_CONTROLPARENT: DWORD = 0x00010000; +pub static WS_EX_DLGMODALFRAME: DWORD = 0x00000001; +pub static WS_EX_LAYERED: DWORD = 0x00080000; +pub static WS_EX_LAYOUTRTL: DWORD = 0x00400000; +pub static WS_EX_LEFT: DWORD = 0x00000000; +pub static WS_EX_LEFTSCROLLBAR: DWORD = 0x00004000; +pub static WS_EX_LTRREADING: DWORD = 0x00000000; +pub static WS_EX_MDICHILD: DWORD = 0x00000040; +pub static WS_EX_NOACTIVATE: DWORD = 0x08000000; +pub static WS_EX_NOINHERITLAYOUT: DWORD = 0x00100000; +pub static WS_EX_NOPARENTNOTIFY: DWORD = 0x00000004; +pub static WS_EX_NOREDIRECTIONBITMAP: DWORD = 0x00200000; +pub static WS_EX_OVERLAPPEDWINDOW: DWORD = (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE); +pub static WS_EX_PALETTEWINDOW: DWORD = (WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST); +pub static WS_EX_RIGHT: DWORD = 0x00001000; +pub static WS_EX_RIGHTSCROLLBAR: DWORD = 0x00000000; +pub static WS_EX_RTLREADING: DWORD = 0x00002000; +pub static WS_EX_STATICEDGE: DWORD = 0x00020000; +pub static WS_EX_TOOLWINDOW: DWORD = 0x00000080; +pub static WS_EX_TOPMOST: DWORD = 0x00000008; +pub static WS_EX_TRANSPARENT: DWORD = 0x00000020; +pub static WS_EX_WINDOWEDGE: DWORD = 0x00000100; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms633573(v=vs.85).aspx +pub type WNDPROC = extern "stdcall" fn(HWND, UINT, WPARAM, LPARAM) -> LRESULT; + +// ? +pub type HGLRC = HANDLE; + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms633577(v=vs.85).aspx +#[repr(C)] +pub struct WNDCLASSEX { + pub cbSize: UINT, + pub style: UINT, + pub lpfnWndProc: WNDPROC, + pub cbClsExtra: libc::c_int, + pub cbWndExtra: libc::c_int, + pub hInstance: HINSTANCE, + pub hIcon: HICON, + pub hCursor: HCURSOR, + pub hbrBackground: HBRUSH, + pub lpszMenuName: LPCWSTR, + pub lpszClassName: LPCWSTR, + pub hIconSm: HICON, +} + +// http://msdn.microsoft.com/en-us/library/windows/desktop/dd162805(v=vs.85).aspxtag +#[repr(C)] +pub struct POINT { + pub x: LONG, + pub y: LONG, +} + +// http://msdn.microsoft.com/en-us/library/windows/desktop/ms644958(v=vs.85).aspx +#[repr(C)] +pub struct MSG { + pub hwnd: HWND, + pub message: UINT, + pub wParam: WPARAM, + pub lParam: LPARAM, + pub time: DWORD, + pub pt: POINT, +} + +// http://msdn.microsoft.com/en-us/library/windows/desktop/dd162768(v=vs.85).aspx +#[repr(C)] +pub struct PAINTSTRUCT { + pub hdc: HDC, + pub fErase: BOOL, + pub rcPaint: RECT, + pub fRestore: BOOL, + pub fIncUpdate: BOOL, + pub rgbReserved: [BYTE, ..32], +} + +// http://msdn.microsoft.com/en-us/library/windows/desktop/dd162897(v=vs.85).aspx +#[repr(C)] +pub struct RECT { + pub left: LONG, + pub top: LONG, + pub right: LONG, + pub bottom: LONG, +} + +// http://msdn.microsoft.com/en-us/library/windows/desktop/dd368826(v=vs.85).aspx +#[repr(C)] +pub struct PIXELFORMATDESCRIPTOR { + pub nSize: WORD, + pub nVersion: WORD, + pub dwFlags: DWORD, + pub iPixelType: BYTE, + pub cColorBits: BYTE, + pub cRedBits: BYTE, + pub cRedShift: BYTE, + pub cGreenBits: BYTE, + pub cGreenShift: BYTE, + pub cBlueBits: BYTE, + pub cBlueShift: BYTE, + pub cAlphaBits: BYTE, + pub cAlphaShift: BYTE, + pub cAccumBits: BYTE, + pub cAccumRedBits: BYTE, + pub cAccumGreenBits: BYTE, + pub cAccumBlueBits: BYTE, + pub cAccumAlphaBits: BYTE, + pub cDepthBits: BYTE, + pub cStencilBits: BYTE, + pub cAuxBuffers: BYTE, + pub iLayerType: BYTE, + pub bReserved: BYTE, + pub dwLayerMask: DWORD, + pub dwVisibleMask: DWORD, + pub dwDamageMask: DWORD, +} + +pub type LPMSG = *mut MSG; + +#[link(name = "advapi32")] +#[link(name = "comctl32")] +#[link(name = "comdlg32")] +#[link(name = "gdi32")] +#[link(name = "kernel32")] +#[link(name = "odbc32")] +#[link(name = "odbccp32")] +#[link(name = "ole32")] +#[link(name = "oleaut32")] +#[link(name = "Opengl32")] +#[link(name = "shell32")] +#[link(name = "user32")] +#[link(name = "uuid")] +#[link(name = "winspool")] +extern "system" { + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd183362(v=vs.85).aspx + pub fn BeginPaint(hwnd: HWND, lpPaint: *mut PAINTSTRUCT) -> HDC; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms632680(v=vs.85).aspx + pub fn CreateWindowExW(dwExStyle: DWORD, lpClassName: LPCWSTR, lpWindowName: LPCWSTR, + dwStyle: DWORD, x: libc::c_int, y: libc::c_int, nWidth: libc::c_int, nHeight: libc::c_int, + hWndParent: HWND, hMenu: HMENU, hInstance: HINSTANCE, lpParam: LPVOID) -> HWND; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633572(v=vs.85).aspx + pub fn DefWindowProcW(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) -> LRESULT; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd318302(v=vs.85).aspx + pub fn DescribePixelFormat(hdc: HDC, iPixelFormat: libc::c_int, nBytes: UINT, + ppfd: *mut PIXELFORMATDESCRIPTOR) -> libc::c_int; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms632682(v=vs.85).aspx + pub fn DestroyWindow(hWnd: HWND) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms644934(v=vs.85).aspx + pub fn DispatchMessageW(lpmsg: *const MSG) -> LRESULT; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd162598(v=vs.85).aspx + pub fn EndPaint(hWnd: HWND, lpPaint: *const PAINTSTRUCT) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd162719(v=vs.85).aspx + pub fn FillRect(hDC: HDC, lprc: *const RECT, hbr: HBRUSH) -> libc::c_int; + + // http://msdn.microsoft.com/en-us/library/dd144871(v=vs.85).aspx + pub fn GetDC(hWnd: HWND) -> HDC; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms679360(v=vs.85).aspx + pub fn GetLastError() -> DWORD; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms644936(v=vs.85).aspx + pub fn GetMessageW(lpMsg: LPMSG, hWnd: HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms683199(v=vs.85).aspx + pub fn GetModuleHandleW(lpModuleName: LPCWSTR) -> HMODULE; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms683212(v=vs.85).aspx + pub fn GetProcAddress(hModule: HMODULE, lpProcName: LPCSTR) -> *const libc::c_void; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms684175(v=vs.85).aspx + pub fn LoadLibraryW(lpFileName: LPCWSTR) -> HMODULE; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/aa366730(v=vs.85).aspx + pub fn LocalFree(hMem: HLOCAL) -> HLOCAL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms644945(v=vs.85).aspx + pub fn PostQuitMessage(nExitCode: libc::c_int); + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633586(v=vs.85).aspx + pub fn RegisterClassExW(lpWndClass: *const WNDCLASSEX) -> ATOM; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd369049(v=vs.85).aspx + pub fn SetPixelFormat(hdc: HDC, iPixelFormat: libc::c_int, + ppfd: *const PIXELFORMATDESCRIPTOR) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633545(v=vs.85).aspx + pub fn SetWindowPos(hWnd: HWND, hWndInsertAfter: HWND, X: libc::c_int, Y: libc::c_int, + cx: libc::c_int, cy: libc::c_int, uFlags: UINT) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633546(v=vs.85).aspx + pub fn SetWindowTextW(hWnd: HWND, lpString: LPCWSTR) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms633548(v=vs.85).aspx + pub fn ShowWindow(hWnd: HWND, nCmdShow: libc::c_int) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd369060(v=vs.85).aspx + pub fn SwapBuffers(hdc: HDC) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/ms644934(v=vs.85).aspx + pub fn TranslateMessage(lpmsg: *const MSG) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/dd145167(v=vs.85).aspx + pub fn UpdateWindow(hWnd: HWND) -> BOOL; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd374379(v=vs.85).aspx + pub fn wglCreateContext(hdc: HDC) -> HGLRC; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd374381(v=vs.85).aspx + pub fn wglDeleteContext(hglrc: HGLRC); + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd374386(v=vs.85).aspx + pub fn wglGetProcAddress(lpszProc: LPCSTR) -> *const libc::c_void; + + // http://msdn.microsoft.com/en-us/library/windows/desktop/dd374387(v=vs.85).aspx + pub fn wglMakeCurrent(hdc: HDC, hglrc: HGLRC); +} diff --git a/src/win32/mod.rs b/src/win32/mod.rs new file mode 100644 index 0000000..8114aa2 --- /dev/null +++ b/src/win32/mod.rs @@ -0,0 +1,354 @@ +use std::kinds::marker::NoSend; +use std::sync::Mutex; +use std::sync::atomics::AtomicBool; +use std::ptr; +use {Event, Hints}; + +mod ffi; + +pub struct Window { + window: ffi::HWND, + hdc: ffi::HDC, + context: ffi::HGLRC, + gl_library: ffi::HMODULE, + events_receiver: Receiver<Event>, + should_close: AtomicBool, + nosend: NoSend, +} + +/// Stores the list of all the windows. +/// Only available on callback thread. +local_data_key!(pub WINDOWS_LIST: Mutex<Vec<(ffi::HWND, Sender<Event>)>>) + +impl Window { + pub fn new(dimensions: Option<(uint, uint)>, title: &str, _hints: &Hints) + -> Result<Window, String> + { + use std::mem; + use std::os; + + // initializing WINDOWS_LIST if needed + // this is safe because WINDOWS_LIST is task-local + if WINDOWS_LIST.get().is_none() { + WINDOWS_LIST.replace(Some(Mutex::new(Vec::new()))); + } + + // registering the window class + let class_name: Vec<u16> = "Window Class".utf16_units().collect::<Vec<u16>>() + .append_one(0); + + let class = ffi::WNDCLASSEX { + cbSize: mem::size_of::<ffi::WNDCLASSEX>() as ffi::UINT, + style: ffi::CS_HREDRAW | ffi::CS_VREDRAW, + lpfnWndProc: callback, + cbClsExtra: 0, + cbWndExtra: 0, + hInstance: unsafe { ffi::GetModuleHandleW(ptr::null()) }, + hIcon: ptr::mut_null(), + hCursor: ptr::mut_null(), + hbrBackground: ptr::mut_null(), + lpszMenuName: ptr::null(), + lpszClassName: class_name.as_ptr(), + hIconSm: ptr::mut_null(), + }; + + if unsafe { ffi::RegisterClassExW(&class) } == 0 { + use std::os; + return Err(format!("RegisterClassEx function failed: {}", + os::error_string(os::errno() as uint))) + } + + // creating the window + let handle = unsafe { + use libc; + + let handle = ffi::CreateWindowExW(0, class_name.as_ptr(), + title.utf16_units().collect::<Vec<u16>>().append_one(0).as_ptr() as ffi::LPCWSTR, + ffi::WS_OVERLAPPEDWINDOW | ffi::WS_VISIBLE, + dimensions.map(|(x, _)| x as libc::c_int).unwrap_or(ffi::CW_USEDEFAULT), + dimensions.map(|(_, y)| y as libc::c_int).unwrap_or(ffi::CW_USEDEFAULT), + ffi::CW_USEDEFAULT, ffi::CW_USEDEFAULT, + ptr::mut_null(), ptr::mut_null(), ffi::GetModuleHandleW(ptr::null()), + ptr::mut_null()); + + if handle.is_null() { + use std::os; + return Err(format!("CreateWindowEx function failed: {}", + os::error_string(os::errno() as uint))) + } + + handle + }; + + // adding it to WINDOWS_LIST + let events_receiver = { + let (tx, rx) = channel(); + let list = WINDOWS_LIST.get().unwrap(); + let mut list = list.lock(); + list.push((handle, tx)); + rx + }; + + // Getting the HDC of the window + let hdc = { + let hdc = unsafe { ffi::GetDC(handle) }; + if hdc.is_null() { + return Err(format!("GetDC function failed: {}", + os::error_string(os::errno() as uint))) + } + hdc + }; + + // getting the pixel format that we will use + // TODO: use something cleaner which uses hints + let pixel_format = { + let mut output: ffi::PIXELFORMATDESCRIPTOR = unsafe { mem::uninitialized() }; + + if unsafe { ffi::DescribePixelFormat(hdc, 1, + mem::size_of::<ffi::PIXELFORMATDESCRIPTOR>() as ffi::UINT, &mut output) } == 0 + { + return Err(format!("DescribePixelFormat function failed: {}", + os::error_string(os::errno() as uint))) + } + + output + }; + + // calling SetPixelFormat + unsafe { + if ffi::SetPixelFormat(hdc, 1, &pixel_format) == 0 { + return Err(format!("SetPixelFormat function failed: {}", + os::error_string(os::errno() as uint))) + } + } + + // creating the context + let context = { + let ctxt = unsafe { ffi::wglCreateContext(hdc) }; + if ctxt.is_null() { + return Err(format!("wglCreateContext function failed: {}", + os::error_string(os::errno() as uint))) + } + ctxt + }; + + // loading opengl32 + let gl_library = { + let name = "opengl32.dll".utf16_units().collect::<Vec<u16>>().append_one(0).as_ptr(); + let lib = unsafe { ffi::LoadLibraryW(name) }; + if lib.is_null() { + return Err(format!("LoadLibrary function failed: {}", + os::error_string(os::errno() as uint))) + } + lib + }; + + // building the struct + Ok(Window{ + window: handle, + hdc: hdc, + context: context, + gl_library: gl_library, + events_receiver: events_receiver, + should_close: AtomicBool::new(false), + nosend: NoSend, + }) + } + + pub fn should_close(&self) -> bool { + use std::sync::atomics::Relaxed; + self.should_close.load(Relaxed) + } + + /// Calls SetWindowText on the HWND. + pub fn set_title(&self, text: &str) { + unsafe { + ffi::SetWindowTextW(self.window, + text.utf16_units().collect::<Vec<u16>>().append_one(0).as_ptr() as ffi::LPCWSTR); + } + } + + pub fn get_position(&self) -> (uint, uint) { + unimplemented!() + } + + pub fn set_position(&self, x: uint, y: uint) { + use libc; + + unsafe { + ffi::SetWindowPos(self.window, ptr::mut_null(), x as libc::c_int, y as libc::c_int, + 0, 0, ffi::SWP_NOZORDER | ffi::SWP_NOSIZE); + ffi::UpdateWindow(self.window); + } + } + + pub fn get_size(&self) -> (uint, uint) { + unimplemented!() + } + + pub fn set_size(&self, x: uint, y: uint) { + use libc; + + unsafe { + ffi::SetWindowPos(self.window, ptr::mut_null(), 0, 0, x as libc::c_int, + y as libc::c_int, ffi::SWP_NOZORDER | ffi::SWP_NOREPOSITION); + ffi::UpdateWindow(self.window); + } + } + + // TODO: return iterator + pub fn poll_events(&self) -> Vec<Event> { + unimplemented!() + } + + // TODO: return iterator + pub fn wait_events(&self) -> Vec<Event> { + use std::mem; + + { + let mut msg = unsafe { mem::uninitialized() }; + + if unsafe { ffi::GetMessageW(&mut msg, ptr::mut_null(), 0, 0) } == 0 { + use std::sync::atomics::Relaxed; + use Closed; + + self.should_close.store(true, Relaxed); + return vec![Closed] + } + + unsafe { ffi::TranslateMessage(&msg) }; + unsafe { ffi::DispatchMessageW(&msg) }; + } + + let mut events = Vec::new(); + loop { + match self.events_receiver.try_recv() { + Ok(ev) => events.push(ev), + Err(_) => break + } + } + events + } + + pub fn make_current(&self) { + unsafe { ffi::wglMakeCurrent(self.hdc, self.context) } + } + + pub fn get_proc_address(&self, addr: &str) -> *const () { + use std::c_str::ToCStr; + + unsafe { + addr.with_c_str(|s| { + let p = ffi::wglGetProcAddress(s) as *const (); + if !p.is_null() { return p; } + ffi::GetProcAddress(self.gl_library, s) as *const () + }) + } + } + + pub fn swap_buffers(&self) { + unsafe { + ffi::SwapBuffers(self.hdc); + } + } +} + +#[unsafe_destructor] +impl Drop for Window { + fn drop(&mut self) { + unsafe { ffi::DestroyWindow(self.window); } + } +} + +fn send_event(window: ffi::HWND, event: Event) { + let locked = WINDOWS_LIST.get().unwrap(); + let mut locked = locked.lock(); + locked.retain(|&(ref val, ref sender)| { + if val != &window { return true } + + sender.send_opt(event).is_ok() + }); +} + +extern "stdcall" fn callback(window: ffi::HWND, msg: ffi::UINT, + wparam: ffi::WPARAM, lparam: ffi::LPARAM) -> ffi::LRESULT +{ + match msg { + ffi::WM_DESTROY => { + use Closed; + send_event(window, Closed); + unsafe { ffi::PostQuitMessage(0); } + 0 + }, + + ffi::WM_SIZE => { + use SizeChanged; + let w = ffi::LOWORD(lparam as ffi::DWORD) as uint; + let h = ffi::HIWORD(lparam as ffi::DWORD) as uint; + send_event(window, SizeChanged(w, h)); + 0 + }, + + ffi::WM_PAINT => { + use NeedRefresh; + send_event(window, NeedRefresh); + 0 + }, + + ffi::WM_MOUSEMOVE => { + use CursorPositionChanged; + + let x = ffi::GET_X_LPARAM(lparam) as uint; + let y = ffi::GET_Y_LPARAM(lparam) as uint; + + send_event(window, CursorPositionChanged(x, y)); + + 0 + }, + + _ => unsafe { + ffi::DefWindowProcW(window, msg, wparam, lparam) + } + } +} + +/*fn hints_to_pixelformat(hints: &Hints) -> ffi::PIXELFORMATDESCRIPTOR { + use std::mem; + + ffi::PIXELFORMATDESCRIPTOR { + nSize: size_of::<ffi::PIXELFORMATDESCRIPTOR>(), + nVersion: 1, + dwFlags: + if hints.stereo { PFD_STEREO } else { 0 }, + iPixelType: PFD_TYPE_RGBA, + cColorBits: hints.red_bits + hints.green_bits + hints.blue_bits, + cRedBits: + + pub nSize: WORD, + pub nVersion: WORD, + pub dwFlags: DWORD, + pub iPixelType: BYTE, + pub cColorBits: BYTE, + pub cRedBits: BYTE, + pub cRedShift: BYTE, + pub cGreenBits: BYTE, + pub cGreenShift: BYTE, + pub cBlueBits: BYTE, + pub cBlueShift: BYTE, + pub cAlphaBits: BYTE, + pub cAlphaShift: BYTE, + pub cAccumBits: BYTE, + pub cAccumRedBits: BYTE, + pub cAccumGreenBits: BYTE, + pub cAccumBlueBits: BYTE, + pub cAccumAlphaBits: BYTE, + pub cDepthBits: BYTE, + pub cStencilBits: BYTE, + pub cAuxBuffers: BYTE, + pub iLayerType: BYTE, + pub bReserved: BYTE, + pub dwLayerMask: DWORD, + pub dwVisibleMask: DWORD, + pub dwDamageMask: DWORD, + } +}*/ |