Commit fcf3f61c28
Changed files (3)
lib
std
os
lib/std/os/windows/bits.zig
@@ -37,6 +37,7 @@ pub const UCHAR = u8;
pub const FLOAT = f32;
pub const HANDLE = *c_void;
pub const HCRYPTPROV = ULONG_PTR;
+pub const ATOM = u16;
pub const HBRUSH = *opaque {};
pub const HCURSOR = *opaque {};
pub const HICON = *opaque {};
@@ -770,6 +771,13 @@ pub const FILE_FLAG_SESSION_AWARE = 0x00800000;
pub const FILE_FLAG_SEQUENTIAL_SCAN = 0x08000000;
pub const FILE_FLAG_WRITE_THROUGH = 0x80000000;
+pub const RECT = extern struct {
+ left: LONG,
+ top: LONG,
+ right: LONG,
+ bottom: LONG,
+};
+
pub const SMALL_RECT = extern struct {
Left: SHORT,
Top: SHORT,
@@ -777,6 +785,11 @@ pub const SMALL_RECT = extern struct {
Bottom: SHORT,
};
+pub const POINT = extern struct {
+ x: LONG,
+ y: LONG,
+};
+
pub const COORD = extern struct {
X: SHORT,
Y: SHORT,
lib/std/os/windows/kernel32.zig
@@ -115,6 +115,7 @@ pub extern "kernel32" fn GetModuleFileNameW(hModule: ?HMODULE, lpFilename: [*]u1
pub extern "kernel32" fn GetModuleHandleW(lpModuleName: ?[*:0]const WCHAR) callconv(WINAPI) ?HMODULE;
pub extern "kernel32" fn GetLastError() callconv(WINAPI) Win32Error;
+pub extern "kernel32" fn SetLastError(dwErrCode: Win32Error) callconv(WINAPI) void;
pub extern "kernel32" fn GetFileInformationByHandle(
hFile: HANDLE,
lib/std/os/windows/user32.zig
@@ -4,45 +4,79 @@
// The MIT license requires this copyright notice to be included in all copies
// and substantial portions of the software.
usingnamespace @import("bits.zig");
+const std = @import("std");
+const builtin = @import("builtin");
+const assert = std.debug.assert;
+const windows = @import("../windows.zig");
+const unexpectedError = windows.unexpectedError;
+const GetLastError = windows.kernel32.GetLastError;
+const SetLastError = windows.kernel32.SetLastError;
-// PM
-pub const PM_REMOVE = 0x0001;
-pub const PM_NOREMOVE = 0x0000;
-pub const PM_NOYIELD = 0x0002;
+fn selectSymbol(comptime function_static: anytype, function_dynamic: anytype, comptime os: std.Target.Os.WindowsVersion) @TypeOf(function_static) {
+ comptime {
+ const sym_ok = builtin.Target.current.os.isAtLeast(.windows, os);
+ if (sym_ok == true) return function_static;
+ if (sym_ok == null) return function_dynamic;
+ if (sym_ok == false) @compileError("Target OS range does not support function, at least " ++ @tagName(os) ++ " is required");
+ }
+}
+
+// === Messages ===
+
+pub const WNDPROC = fn (hwnd: HWND, uMsg: UINT, wParam: WPARAM, lParam: LPARAM) callconv(WINAPI) LRESULT;
+
+pub const MSG = extern struct {
+ hWnd: ?HWND,
+ message: UINT,
+ wParam: WPARAM,
+ lParam: LPARAM,
+ time: DWORD,
+ pt: POINT,
+ lPrivate: DWORD,
+};
-// WM
pub const WM_NULL = 0x0000;
pub const WM_CREATE = 0x0001;
pub const WM_DESTROY = 0x0002;
+pub const WM_NCDESTROY = WM_DESTROY;
pub const WM_MOVE = 0x0003;
pub const WM_SIZE = 0x0005;
-
pub const WM_ACTIVATE = 0x0006;
-pub const WM_PAINT = 0x000F;
-pub const WM_CLOSE = 0x0010;
-pub const WM_QUIT = 0x0012;
pub const WM_SETFOCUS = 0x0007;
-
pub const WM_KILLFOCUS = 0x0008;
pub const WM_ENABLE = 0x000A;
pub const WM_SETREDRAW = 0x000B;
-
-pub const WM_SYSCOLORCHANGE = 0x0015;
+pub const WM_SETTEXT = 0x000C;
+pub const WM_GETTEXT = 0x000D;
+pub const WM_GETTEXTLENGTH = 0x000E;
+pub const WM_PAINT = 0x000F;
+pub const WM_CLOSE = 0x0010;
+pub const WM_QUIT = 0x0012;
+pub const WM_ERASEBKGND = 0x0014;
pub const WM_SHOWWINDOW = 0x0018;
-
-pub const WM_WINDOWPOSCHANGING = 0x0046;
+pub const WM_CTLCOLOR = 0x0019;
+pub const WM_NEXTDLGCTL = 0x0028;
+pub const WM_DRAWITEM = 0x002B;
+pub const WM_MEASUREITEM = 0x002C;
+pub const WM_DELETEITEM = 0x002D;
+pub const WM_VKEYTOITEM = 0x002E;
+pub const WM_CHARTOITEM = 0x002F;
+pub const WM_SETFONT = 0x0030;
+pub const WM_GETFONT = 0x0031;
+pub const WM_COMPAREITEM = 0x0039;
pub const WM_WINDOWPOSCHANGED = 0x0047;
-pub const WM_POWER = 0x0048;
-
-pub const WM_CONTEXTMENU = 0x007B;
-pub const WM_STYLECHANGING = 0x007C;
-pub const WM_STYLECHANGED = 0x007D;
-pub const WM_DISPLAYCHANGE = 0x007E;
-pub const WM_GETICON = 0x007F;
-pub const WM_SETICON = 0x0080;
-
-pub const WM_INPUT_DEVICE_CHANGE = 0x00fe;
-pub const WM_INPUT = 0x00FF;
+pub const WM_NOTIFY = 0x004E;
+pub const WM_NCCALCSIZE = 0x0083;
+pub const WM_NCHITTEST = 0x0084;
+pub const WM_NCPAINT = 0x0085;
+pub const WM_GETDLGCODE = 0x0087;
+pub const WM_NCMOUSEMOVE = 0x00A0;
+pub const WM_NCLBUTTONDOWN = 0x00A1;
+pub const WM_NCLBUTTONUP = 0x00A2;
+pub const WM_NCLBUTTONDBLCLK = 0x00A3;
+pub const WM_NCRBUTTONDOWN = 0x00A4;
+pub const WM_NCRBUTTONUP = 0x00A5;
+pub const WM_NCRBUTTONDBLCLK = 0x00A6;
pub const WM_KEYFIRST = 0x0100;
pub const WM_KEYDOWN = 0x0100;
pub const WM_KEYUP = 0x0101;
@@ -52,13 +86,21 @@ pub const WM_SYSKEYDOWN = 0x0104;
pub const WM_SYSKEYUP = 0x0105;
pub const WM_SYSCHAR = 0x0106;
pub const WM_SYSDEADCHAR = 0x0107;
-pub const WM_UNICHAR = 0x0109;
-pub const WM_KEYLAST = 0x0109;
-
+pub const WM_KEYLAST = 0x0108;
+pub const WM_INITDIALOG = 0x0110;
pub const WM_COMMAND = 0x0111;
pub const WM_SYSCOMMAND = 0x0112;
pub const WM_TIMER = 0x0113;
-
+pub const WM_HSCROLL = 0x0114;
+pub const WM_VSCROLL = 0x0115;
+pub const WM_ENTERIDLE = 0x0121;
+pub const WM_CTLCOLORMSGBOX = 0x0132;
+pub const WM_CTLCOLOREDIT = 0x0133;
+pub const WM_CTLCOLORLISTBOX = 0x0134;
+pub const WM_CTLCOLORBTN = 0x0135;
+pub const WM_CTLCOLORDLG = 0x0136;
+pub const WM_CTLCOLORSCROLLBAR = 0x0137;
+pub const WM_CTLCOLORSTATIC = 0x0138;
pub const WM_MOUSEFIRST = 0x0200;
pub const WM_MOUSEMOVE = 0x0200;
pub const WM_LBUTTONDOWN = 0x0201;
@@ -71,105 +113,561 @@ pub const WM_MBUTTONDOWN = 0x0207;
pub const WM_MBUTTONUP = 0x0208;
pub const WM_MBUTTONDBLCLK = 0x0209;
pub const WM_MOUSEWHEEL = 0x020A;
-pub const WM_XBUTTONDOWN = 0x020B;
-pub const WM_XBUTTONUP = 0x020C;
-pub const WM_XBUTTONDBLCLK = 0x020D;
+pub const WM_MOUSELAST = 0x020A;
+pub const WM_HOTKEY = 0x0312;
+pub const WM_CARET_CREATE = 0x03E0;
+pub const WM_CARET_DESTROY = 0x03E1;
+pub const WM_CARET_BLINK = 0x03E2;
+pub const WM_FDINPUT = 0x03F0;
+pub const WM_FDOUTPUT = 0x03F1;
+pub const WM_FDEXCEPT = 0x03F2;
+pub const WM_USER = 0x0400;
-// WA
-pub const WA_INACTIVE = 0;
-pub const WA_ACTIVE = 0x0006;
+pub extern "user32" fn GetMessageA(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT) callconv(WINAPI) BOOL;
+pub fn getMessageA(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: u32, wMsgFilterMax: u32) !void {
+ const r = GetMessageA(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
+ if (r == 0) return error.Quit;
+ if (r != -1) return;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
-// WS
-pub const WS_OVERLAPPED = 0x00000000;
-pub const WS_CAPTION = 0x00C00000;
-pub const WS_SYSMENU = 0x00080000;
-pub const WS_THICKFRAME = 0x00040000;
-pub const WS_MINIMIZEBOX = 0x00020000;
-pub const WS_MAXIMIZEBOX = 0x00010000;
+pub extern "user32" fn GetMessageW(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT) callconv(WINAPI) BOOL;
+pub var pfnGetMessageW: @TypeOf(GetMessageW) = undefined;
+pub fn getMessageW(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: u32, wMsgFilterMax: u32) !void {
+ const function = selectSymbol(GetMessageW, pfnGetMessageW, .win2k);
-// PFD
-pub const PFD_DRAW_TO_WINDOW = 0x00000004;
-pub const PFD_SUPPORT_OPENGL = 0x00000020;
-pub const PFD_DOUBLEBUFFER = 0x00000001;
-pub const PFD_MAIN_PLANE = 0;
-pub const PFD_TYPE_RGBA = 0;
+ const r = function(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax);
+ if (r == 0) return error.Quit;
+ if (r != -1) return;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
-// CS
-pub const CS_HREDRAW = 0x0002;
-pub const CS_VREDRAW = 0x0001;
-pub const CS_OWNDC = 0x0020;
+pub const PM_NOREMOVE = 0x0000;
+pub const PM_REMOVE = 0x0001;
+pub const PM_NOYIELD = 0x0002;
-// SW
-pub const SW_HIDE = 0;
-pub const SW_SHOW = 5;
+pub extern "user32" fn PeekMessageA(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT, wRemoveMsg: UINT) callconv(WINAPI) BOOL;
+pub fn peekMessageA(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: u32, wMsgFilterMax: u32, wRemoveMsg: u32) !bool {
+ const r = PeekMessageA(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg);
+ if (r == 0) return false;
+ if (r != -1) return true;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn PeekMessageW(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: UINT, wMsgFilterMax: UINT, wRemoveMsg: UINT) callconv(WINAPI) BOOL;
+pub var pfnPeekMessageW: @TypeOf(PeekMessageW) = undefined;
+pub fn peekMessageW(lpMsg: *MSG, hWnd: ?HWND, wMsgFilterMin: u32, wMsgFilterMax: u32, wRemoveMsg: u32) !bool {
+ const function = selectSymbol(PeekMessageW, pfnPeekMessageW, .win2k);
+
+ const r = function(lpMsg, hWnd, wMsgFilterMin, wMsgFilterMax, wRemoveMsg);
+ if (r == 0) return false;
+ if (r != -1) return true;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn TranslateMessage(lpMsg: *const MSG) callconv(WINAPI) BOOL;
+pub fn translateMessage(lpMsg: *const MSG) bool {
+ return if (TranslateMessage(lpMsg) == 0) false else true;
+}
+
+pub extern "user32" fn DispatchMessageA(lpMsg: *const MSG) callconv(WINAPI) LRESULT;
+pub fn dispatchMessageA(lpMsg: *const MSG) LRESULT {
+ return DispatchMessageA(lpMsg);
+}
+
+pub extern "user32" fn DispatchMessageW(lpMsg: *const MSG) callconv(WINAPI) LRESULT;
+pub var pfnDispatchMessageW: @TypeOf(DispatchMessageW) = undefined;
+pub fn dispatchMessageW(lpMsg: *const MSG) LRESULT {
+ const function = selectSymbol(DispatchMessageW, pfnDispatchMessageW, .win2k);
+ return function(lpMsg);
+}
-pub const WNDPROC = fn (HWND, UINT, WPARAM, LPARAM) callconv(WINAPI) LRESULT;
+pub extern "user32" fn PostQuitMessage(nExitCode: i32) callconv(WINAPI) void;
+pub fn postQuitMessage(nExitCode: i32) void {
+ PostQuitMessage(nExitCode);
+}
+
+pub extern "user32" fn DefWindowProcA(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) callconv(WINAPI) LRESULT;
+pub fn defWindowProcA(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) LRESULT {
+ return DefWindowProcA(hWnd, Msg, wParam, lParam);
+}
+
+pub extern "user32" fn DefWindowProcW(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) callconv(WINAPI) LRESULT;
+pub var pfnDefWindowProcW: @TypeOf(DefWindowProcW) = undefined;
+pub fn defWindowProcW(hWnd: HWND, Msg: UINT, wParam: WPARAM, lParam: LPARAM) LRESULT {
+ const function = selectSymbol(DefWindowProcW, pfnDefWindowProcW, .win2k);
+ return function(hWnd, Msg, wParam, lParam);
+}
+
+// === Windows ===
+
+pub const CS_VREDRAW = 0x0001;
+pub const CS_HREDRAW = 0x0002;
+pub const CS_DBLCLKS = 0x0008;
+pub const CS_OWNDC = 0x0020;
+pub const CS_CLASSDC = 0x0040;
+pub const CS_PARENTDC = 0x0080;
+pub const CS_NOCLOSE = 0x0200;
+pub const CS_SAVEBITS = 0x0800;
+pub const CS_BYTEALIGNCLIENT = 0x1000;
+pub const CS_BYTEALIGNWINDOW = 0x2000;
+pub const CS_GLOBALCLASS = 0x4000;
pub const WNDCLASSEXA = extern struct {
cbSize: UINT = @sizeOf(WNDCLASSEXA),
style: UINT,
lpfnWndProc: WNDPROC,
- cbClsExtra: i32,
- cbWndExtra: i32,
+ cbClsExtra: i32 = 0,
+ cbWndExtra: i32 = 0,
hInstance: HINSTANCE,
hIcon: ?HICON,
hCursor: ?HCURSOR,
hbrBackground: ?HBRUSH,
- lpszMenuName: ?LPCSTR,
- lpszClassName: LPCSTR,
+ lpszMenuName: ?[*:0]const u8,
+ lpszClassName: [*:0]const u8,
hIconSm: ?HICON,
};
-pub const POINT = extern struct {
- x: c_long, y: c_long
+pub const WNDCLASSEXW = extern struct {
+ cbSize: UINT = @sizeOf(WNDCLASSEXW),
+ style: UINT,
+ lpfnWndProc: WNDPROC,
+ cbClsExtra: i32 = 0,
+ cbWndExtra: i32 = 0,
+ hInstance: HINSTANCE,
+ hIcon: ?HICON,
+ hCursor: ?HCURSOR,
+ hbrBackground: ?HBRUSH,
+ lpszMenuName: ?[*:0]const u16,
+ lpszClassName: [*:0]const u16,
+ hIconSm: ?HICON,
};
-pub const MSG = extern struct {
- hWnd: ?HWND,
- message: UINT,
- wParam: WPARAM,
- lParam: LPARAM,
- time: DWORD,
- pt: POINT,
- lPrivate: DWORD,
-};
+pub extern "user32" fn RegisterClassExA(*const WNDCLASSEXA) callconv(WINAPI) ATOM;
+pub fn registerClassExA(window_class: *const WNDCLASSEXA) !ATOM {
+ const atom = RegisterClassExA(window_class);
+ if (atom != 0) return atom;
+ return switch (GetLastError()) {
+ .CLASS_ALREADY_EXISTS => error.AlreadyExists,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
-pub extern "user32" fn CreateWindowExA(
- dwExStyle: DWORD,
- lpClassName: LPCSTR,
- lpWindowName: LPCSTR,
- dwStyle: DWORD,
- X: i32,
- Y: i32,
- nWidth: i32,
- nHeight: i32,
- hWindParent: ?HWND,
- hMenu: ?HMENU,
- hInstance: HINSTANCE,
- lpParam: ?LPVOID,
-) callconv(WINAPI) ?HWND;
+pub extern "user32" fn RegisterClassExW(*const WNDCLASSEXW) callconv(WINAPI) ATOM;
+pub var pfnRegisterClassExW: @TypeOf(RegisterClassExW) = undefined;
+pub fn registerClassExW(window_class: *const WNDCLASSEXA) !ATOM {
+ const function = selectSymbol(RegisterClassExW, pfnRegisterClassExW, .win2k);
+ const atom = function(window_class);
+ if (atom != 0) return atom;
+ return switch (GetLastError()) {
+ .CLASS_ALREADY_EXISTS => error.AlreadyExists,
+ .CALL_NOT_IMPLEMENTED => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn UnregisterClassA(lpClassName: LPCSTR, hInstance: HINSTANCE) callconv(.Stdcall) BOOL;
+pub fn unregisterClassA(lpClassName: [*:0]const u8, hInstance: HINSTANCE) !void {
+ if (UnregisterClassA(lpClassName, hInstance) == 0) {
+ return switch (GetLastError()) {
+ .CLASS_DOES_NOT_EXIST => error.ClassDoesNotExist,
+ else => |err| return windows.unexpectedError(err),
+ };
+ }
+}
+
+pub extern "user32" fn UnregisterClassW(lpClassName: LPCWSTR, hInstance: HINSTANCE) callconv(.Stdcall) BOOL;
+pub var pfnUnregisterClassW: @TypeOf(UnregisterClassW) = undefined;
+pub fn unregisterClassW(lpClassName: [*:0]const u16, hInstance: HINSTANCE) !void {
+ const function = selectSymbol(UnregisterClassW, pfnUnregisterClassW, .win2k);
+ if (function(lpClassName, hInstance) == 0) {
+ return switch (GetLastError()) {
+ .CLASS_DOES_NOT_EXIST => error.ClassDoesNotExist,
+ else => |err| return windows.unexpectedError(err),
+ };
+ }
+}
+
+pub const WS_OVERLAPPED = 0x00000000;
+pub const WS_POPUP = 0x80000000;
+pub const WS_CHILD = 0x40000000;
+pub const WS_MINIMIZE = 0x20000000;
+pub const WS_VISIBLE = 0x10000000;
+pub const WS_DISABLED = 0x08000000;
+pub const WS_CLIPSIBLINGS = 0x04000000;
+pub const WS_CLIPCHILDREN = 0x02000000;
+pub const WS_MAXIMIZE = 0x01000000;
+pub const WS_CAPTION = WS_BORDER | WS_DLGFRAME;
+pub const WS_BORDER = 0x00800000;
+pub const WS_DLGFRAME = 0x00400000;
+pub const WS_VSCROLL = 0x00200000;
+pub const WS_HSCROLL = 0x00100000;
+pub const WS_SYSMENU = 0x00080000;
+pub const WS_THICKFRAME = 0x00040000;
+pub const WS_GROUP = 0x00020000;
+pub const WS_TABSTOP = 0x00010000;
+pub const WS_MINIMIZEBOX = 0x00020000;
+pub const WS_MAXIMIZEBOX = 0x00010000;
+pub const WS_TILED = WS_OVERLAPPED;
+pub const WS_ICONIC = WS_MINIMIZE;
+pub const WS_SIZEBOX = WS_THICKFRAME;
+pub const WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW;
+pub const WS_OVERLAPPEDWINDOW = WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
+pub const WS_POPUPWINDOW = WS_POPUP | WS_BORDER | WS_SYSMENU;
+pub const WS_CHILDWINDOW = WS_CHILD;
+
+pub const WS_EX_DLGMODALFRAME = 0x00000001;
+pub const WS_EX_NOPARENTNOTIFY = 0x00000004;
+pub const WS_EX_TOPMOST = 0x00000008;
+pub const WS_EX_ACCEPTFILES = 0x00000010;
+pub const WS_EX_TRANSPARENT = 0x00000020;
+pub const WS_EX_MDICHILD = 0x00000040;
+pub const WS_EX_TOOLWINDOW = 0x00000080;
+pub const WS_EX_WINDOWEDGE = 0x00000100;
+pub const WS_EX_CLIENTEDGE = 0x00000200;
+pub const WS_EX_CONTEXTHELP = 0x00000400;
+pub const WS_EX_RIGHT = 0x00001000;
+pub const WS_EX_LEFT = 0x00000000;
+pub const WS_EX_RTLREADING = 0x00002000;
+pub const WS_EX_LTRREADING = 0x00000000;
+pub const WS_EX_LEFTSCROLLBAR = 0x00004000;
+pub const WS_EX_RIGHTSCROLLBAR = 0x00000000;
+pub const WS_EX_CONTROLPARENT = 0x00010000;
+pub const WS_EX_STATICEDGE = 0x00020000;
+pub const WS_EX_APPWINDOW = 0x00040000;
+pub const WS_EX_LAYERED = 0x00080000;
+pub const WS_EX_OVERLAPPEDWINDOW = (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
+pub const WS_EX_PALETTEWINDOW = (WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST);
+
+pub const CW_USEDEFAULT = @bitCast(i32, @as(u32, 0x80000000));
+
+pub extern "user32" fn CreateWindowExA(dwExStyle: DWORD, lpClassName: [*:0]const u8, lpWindowName: [*:0]const u8, dwStyle: DWORD, X: i32, Y: i32, nWidth: i32, nHeight: i32, hWindParent: ?HWND, hMenu: ?HMENU, hInstance: HINSTANCE, lpParam: ?LPVOID) callconv(WINAPI) ?HWND;
+pub fn createWindowExA(dwExStyle: u32, lpClassName: [*:0]const u8, lpWindowName: [*:0]const u8, dwStyle: u32, X: i32, Y: i32, nWidth: i32, nHeight: i32, hWindParent: ?HWND, hMenu: ?HMENU, hInstance: HINSTANCE, lpParam: ?*c_void) !HWND {
+ const window = CreateWindowExA(dwExStyle, lpClassName, lpWindowName, dwStyle, X, Y, nWidth, nHeight, hWindParent, hMenu, hInstance, lpParam);
+ if (window) |win| return win;
+
+ return switch (GetLastError()) {
+ .CLASS_DOES_NOT_EXIST => error.ClassDoesNotExist,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn CreateWindowExW(dwExStyle: DWORD, lpClassName: [*:0]const u16, lpWindowName: [*:0]const u16, dwStyle: DWORD, X: i32, Y: i32, nWidth: i32, nHeight: i32, hWindParent: ?HWND, hMenu: ?HMENU, hInstance: HINSTANCE, lpParam: ?LPVOID) callconv(WINAPI) ?HWND;
+pub var pfnCreateWindowExW: @TypeOf(RegisterClassExW) = undefined;
+pub fn createWindowExW(dwExStyle: u32, lpClassName: [*:0]const u16, lpWindowName: [*:0]const u16, dwStyle: u32, X: i32, Y: i32, nWidth: i32, nHeight: i32, hWindParent: ?HWND, hMenu: ?HMENU, hInstance: HINSTANCE, lpParam: ?*c_void) !HWND {
+ const function = selectSymbol(CreateWindowExW, pfnCreateWindowExW, .win2k);
+ const window = function(dwExStyle, lpClassName, lpWindowName, dwStyle, X, Y, nWidth, nHeight, hWindParent, hMenu, hInstance, lpParam);
+ if (window) |win| return win;
+
+ return switch (GetLastError()) {
+ .CLASS_DOES_NOT_EXIST => error.ClassDoesNotExist,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn DestroyWindow(hWnd: HWND) callconv(WINAPI) BOOL;
+pub fn destroyWindow(hWnd: HWND) !void {
+ if (DestroyWindow(hWnd) == 0) {
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+ }
+}
+
+pub const SW_HIDE = 0;
+pub const SW_SHOWNORMAL = 1;
+pub const SW_NORMAL = 1;
+pub const SW_SHOWMINIMIZED = 2;
+pub const SW_SHOWMAXIMIZED = 3;
+pub const SW_MAXIMIZE = 3;
+pub const SW_SHOWNOACTIVATE = 4;
+pub const SW_SHOW = 5;
+pub const SW_MINIMIZE = 6;
+pub const SW_SHOWMINNOACTIVE = 7;
+pub const SW_SHOWNA = 8;
+pub const SW_RESTORE = 9;
+pub const SW_SHOWDEFAULT = 10;
+pub const SW_FORCEMINIMIZE = 11;
+pub const SW_MAX = 11;
+
+pub extern "user32" fn ShowWindow(hWnd: HWND, nCmdShow: i32) callconv(WINAPI) BOOL;
+pub fn showWindow(hWnd: HWND, nCmdShow: i32) bool {
+ return (ShowWindow(hWnd, nCmdShow) == TRUE);
+}
+
+pub extern "user32" fn UpdateWindow(hWnd: HWND) callconv(WINAPI) BOOL;
+pub fn updateWindow(hWnd: HWND) !void {
+ if (ShowWindow(hWnd, nCmdShow) == 0) {
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+ }
+}
+
+pub extern "user32" fn AdjustWindowRectEx(lpRect: *RECT, dwStyle: DWORD, bMenu: BOOL, dwExStyle: DWORD) callconv(WINAPI) BOOL;
+pub fn adjustWindowRectEx(lpRect: *RECT, dwStyle: u32, bMenu: bool, dwExStyle: u32) !void {
+ assert(dwStyle & WS_OVERLAPPED == 0);
+
+ if (AdjustWindowRectEx(lpRect, dwStyle, bMenu, dwExStyle) == 0) {
+ return switch (GetLastError()) {
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+ }
+}
+
+pub const GWL_WNDPROC = -4;
+pub const GWL_HINSTANCE = -6;
+pub const GWL_HWNDPARENT = -8;
+pub const GWL_STYLE = -16;
+pub const GWL_EXSTYLE = -20;
+pub const GWL_USERDATA = -21;
+pub const GWL_ID = -12;
+
+pub extern "user32" fn GetWindowLongA(hWnd: HWND, nIndex: i32) callconv(WINAPI) LONG;
+pub fn getWindowLongA(hWnd: HWND, nIndex: i32) !i32 {
+ const value = GetWindowLongA(hWnd, nIndex);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn GetWindowLongW(hWnd: HWND, nIndex: i32) callconv(WINAPI) LONG;
+pub var pfnGetWindowLongW: @TypeOf(GetWindowLongW) = undefined;
+pub fn getWindowLongW(hWnd: HWND, nIndex: i32) !i32 {
+ const function = selectSymbol(GetWindowLongW, pfnGetWindowLongW, .win2k);
+
+ const value = function(hWnd, nIndex);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn GetWindowLongPtrA(hWnd: HWND, nIndex: i32) callconv(WINAPI) LONG_PTR;
+pub fn getWindowLongPtrA(hWnd: HWND, nIndex: i32) !isize {
+ // "When compiling for 32-bit Windows, GetWindowLongPtr is defined as a call to the GetWindowLong function."
+ // https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getwindowlongptrw
+ if (@sizeOf(LONG_PTR) == 4) return getWindowLongA(hWnd, nIndex);
+
+ const value = GetWindowLongPtrA(hWnd, nIndex);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn GetWindowLongPtrW(hWnd: HWND, nIndex: i32) callconv(WINAPI) LONG_PTR;
+pub var pfnGetWindowLongPtrW: @TypeOf(GetWindowLongPtrW) = undefined;
+pub fn getWindowLongPtrW(hWnd: HWND, nIndex: i32) !isize {
+ if (@sizeOf(LONG_PTR) == 4) return getWindowLongW(hWnd, nIndex);
+ const function = selectSymbol(GetWindowLongPtrW, pfnGetWindowLongPtrW, .win2k);
+
+ const value = function(hWnd, nIndex);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn SetWindowLongA(hWnd: HWND, nIndex: i32, dwNewLong: LONG) callconv(WINAPI) LONG;
+pub fn setWindowLongA(hWnd: HWND, nIndex: i32, dwNewLong: i32) !i32 {
+ // [...] you should clear the last error information by calling SetLastError with 0 before calling SetWindowLong.
+ // https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-setwindowlonga
+ SetLastError(.SUCCESS);
+
+ const value = SetWindowLongA(hWnd, nIndex, dwNewLong);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn SetWindowLongW(hWnd: HWND, nIndex: i32, dwNewLong: LONG) callconv(WINAPI) LONG;
+pub var pfnSetWindowLongW: @TypeOf(SetWindowLongW) = undefined;
+pub fn setWindowLongW(hWnd: HWND, nIndex: i32, dwNewLong: i32) !i32 {
+ const function = selectSymbol(SetWindowLongW, pfnSetWindowLongW, .win2k);
+
+ SetLastError(.SUCCESS);
+ const value = function(hWnd, nIndex, dwNewLong);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn SetWindowLongPtrA(hWnd: HWND, nIndex: i32, dwNewLong: LONG_PTR) callconv(WINAPI) LONG_PTR;
+pub fn setWindowLongPtrA(hWnd: HWND, nIndex: i32, dwNewLong: isize) !isize {
+ // "When compiling for 32-bit Windows, GetWindowLongPtr is defined as a call to the GetWindowLong function."
+ // https://docs.microsoft.com/en-us/windows/win32/api/winuser/nf-winuser-getwindowlongptrw
+ if (@sizeOf(LONG_PTR) == 4) return setWindowLongA(hWnd, nIndex, dwNewLong);
+
+ SetLastError(.SUCCESS);
+ const value = SetWindowLongPtrA(hWnd, nIndex, dwNewLong);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn SetWindowLongPtrW(hWnd: HWND, nIndex: i32, dwNewLong: LONG_PTR) callconv(WINAPI) LONG_PTR;
+pub var pfnSetWindowLongPtrW: @TypeOf(SetWindowLongPtrW) = undefined;
+pub fn setWindowLongPtrW(hWnd: HWND, nIndex: i32, dwNewLong: isize) !isize {
+ if (@sizeOf(LONG_PTR) == 4) return setWindowLongW(hWnd, nIndex, dwNewLong);
+ const function = selectSymbol(SetWindowLongPtrW, pfnSetWindowLongPtrW, .win2k);
+
+ SetLastError(.SUCCESS);
+ const value = function(hWnd, nIndex, dwNewLong);
+ if (value != 0) return value;
+
+ return switch (GetLastError()) {
+ .SUCCESS => 0,
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
-pub extern "user32" fn RegisterClassExA(*const WNDCLASSEXA) callconv(WINAPI) c_ushort;
-pub extern "user32" fn DefWindowProcA(HWND, Msg: UINT, WPARAM, LPARAM) callconv(WINAPI) LRESULT;
-pub extern "user32" fn ShowWindow(hWnd: ?HWND, nCmdShow: i32) callconv(WINAPI) bool;
-pub extern "user32" fn UpdateWindow(hWnd: ?HWND) callconv(WINAPI) bool;
pub extern "user32" fn GetDC(hWnd: ?HWND) callconv(WINAPI) ?HDC;
+pub fn getDC(hWnd: ?HWND) !HDC {
+ const hdc = GetDC(hWnd);
+ if (hdc) |h| return h;
-pub extern "user32" fn PeekMessageA(
- lpMsg: ?*MSG,
- hWnd: ?HWND,
- wMsgFilterMin: UINT,
- wMsgFilterMax: UINT,
- wRemoveMsg: UINT,
-) callconv(WINAPI) bool;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
-pub extern "user32" fn GetMessageA(
- lpMsg: ?*MSG,
- hWnd: ?HWND,
- wMsgFilterMin: UINT,
- wMsgFilterMax: UINT,
-) callconv(WINAPI) bool;
+pub extern "user32" fn ReleaseDC(hWnd: ?HWND, hDC: HDC) callconv(WINAPI) i32;
+pub fn releaseDC(hWnd: ?HWND, hDC: HDC) bool {
+ return if (ReleaseDC(hWnd, hDC) == 1) true else false;
+}
-pub extern "user32" fn TranslateMessage(lpMsg: *const MSG) callconv(WINAPI) bool;
-pub extern "user32" fn DispatchMessageA(lpMsg: *const MSG) callconv(WINAPI) LRESULT;
-pub extern "user32" fn PostQuitMessage(nExitCode: i32) callconv(WINAPI) void;
+// === Modal dialogue boxes ===
+
+pub const MB_OK = 0x00000000;
+pub const MB_OKCANCEL = 0x00000001;
+pub const MB_ABORTRETRYIGNORE = 0x00000002;
+pub const MB_YESNOCANCEL = 0x00000003;
+pub const MB_YESNO = 0x00000004;
+pub const MB_RETRYCANCEL = 0x00000005;
+pub const MB_CANCELTRYCONTINUE = 0x00000006;
+pub const MB_ICONHAND = 0x00000010;
+pub const MB_ICONQUESTION = 0x00000020;
+pub const MB_ICONEXCLAMATION = 0x00000030;
+pub const MB_ICONASTERISK = 0x00000040;
+pub const MB_USERICON = 0x00000080;
+pub const MB_ICONWARNING = MB_ICONEXCLAMATION;
+pub const MB_ICONERROR = MB_ICONHAND;
+pub const MB_ICONINFORMATION = MB_ICONASTERISK;
+pub const MB_ICONSTOP = MB_ICONHAND;
+pub const MB_DEFBUTTON1 = 0x00000000;
+pub const MB_DEFBUTTON2 = 0x00000100;
+pub const MB_DEFBUTTON3 = 0x00000200;
+pub const MB_DEFBUTTON4 = 0x00000300;
+pub const MB_APPLMODAL = 0x00000000;
+pub const MB_SYSTEMMODAL = 0x00001000;
+pub const MB_TASKMODAL = 0x00002000;
+pub const MB_HELP = 0x00004000;
+pub const MB_NOFOCUS = 0x00008000;
+pub const MB_SETFOREGROUND = 0x00010000;
+pub const MB_DEFAULT_DESKTOP_ONLY = 0x00020000;
+pub const MB_TOPMOST = 0x00040000;
+pub const MB_RIGHT = 0x00080000;
+pub const MB_RTLREADING = 0x00100000;
+pub const MB_TYPEMASK = 0x0000000F;
+pub const MB_ICONMASK = 0x000000F0;
+pub const MB_DEFMASK = 0x00000F00;
+pub const MB_MODEMASK = 0x00003000;
+pub const MB_MISCMASK = 0x0000C000;
+
+pub const IDOK = 1;
+pub const IDCANCEL = 2;
+pub const IDABORT = 3;
+pub const IDRETRY = 4;
+pub const IDIGNORE = 5;
+pub const IDYES = 6;
+pub const IDNO = 7;
+pub const IDCLOSE = 8;
+pub const IDHELP = 9;
+pub const IDTRYAGAIN = 10;
+pub const IDCONTINUE = 11;
+
+pub extern "user32" fn MessageBoxA(hWnd: ?HWND, lpText: [*:0]const u8, lpCaption: [*:0]const u8, uType: UINT) callconv(WINAPI) i32;
+pub fn messageBoxA(hWnd: ?HWND, lpText: [*:0]const u8, lpCaption: [*:0]const u8, uType: u32) !i32 {
+ const value = MessageBoxA(hWnd, lpText, lpCaption, uType);
+ if (value != 0) return value;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}
+
+pub extern "user32" fn MessageBoxW(hWnd: ?HWND, lpText: [*:0]const u16, lpCaption: ?[*:0]const u16, uType: UINT) callconv(WINAPI) i32;
+pub var pfnMessageBoxW: @TypeOf(MessageBoxW) = undefined;
+pub fn messageBoxW(hWnd: ?HWND, lpText: [*:0]const u16, lpCaption: [*:0]const u16, uType: u32) !i32 {
+ const function = selectSymbol(pfnMessageBoxW, MessageBoxW, .win2k);
+ const value = function(hWnd, lpText, lpCaption, uType);
+ if (value != 0) return value;
+ return switch (GetLastError()) {
+ .INVALID_WINDOW_HANDLE => unreachable,
+ .INVALID_PARAMETER => unreachable,
+ else => |err| return windows.unexpectedError(err),
+ };
+}