From 04daecdd21e86e7556a9462380096530228cd6ca Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Wed, 3 Aug 2022 21:57:27 +0200
Subject: Split common.h to util.h, wcharptr.h and win.h.

---
 c/common.h | 146 -------------------------------------------------------------
 1 file changed, 146 deletions(-)
 delete mode 100644 c/common.h

(limited to 'c/common.h')

diff --git a/c/common.h b/c/common.h
deleted file mode 100644
index 70c2c32..0000000
--- a/c/common.h
+++ /dev/null
@@ -1,146 +0,0 @@
-#ifndef COMMON_H
-#define COMMON_H
-
-#include <memory>
-#include <optional>
-#include <windows.h>
-
-int EBMessageBox(const wchar_t* wszText, const wchar_t* wszCaption, unsigned uType);
-int GetRelativeCursorPos(HWND hWnd, POINT* pt);
-
-/* wchar_ptr: Simple wrapper for wide C strings. */
-struct wchar_ptr
-{
-	/* Named copy constructors (expensive). */
-	static wchar_ptr from_narrow(const char* buf, int cp = CP_UTF8);
-	static wchar_ptr copy(const wchar_t* s);
-
-	/* Non-explicit copies are disabled. */
-	wchar_ptr(wchar_ptr& other) = delete;
-	wchar_ptr& operator=(wchar_ptr& other) = delete;
-
-	wchar_ptr() noexcept;
-	~wchar_ptr();
-	operator wchar_t*() noexcept;
-
-	wchar_ptr(wchar_t* s) noexcept;
-	wchar_ptr& operator=(wchar_t* s) noexcept;
-
-	wchar_ptr(wchar_ptr&& other) noexcept;
-	wchar_ptr& operator=(wchar_ptr&& other) noexcept;
-
-	/* Return pointer, releasing ownership. */
-	wchar_t *release() noexcept;
-private:
-	wchar_t* m_p = nullptr;
-};
-
-/* Win32Error: Exception for Windows API errors. */
-struct Win32Error : public std::exception
-{
-	Win32Error();
-	Win32Error(DWORD code);
-	~Win32Error();
-	const char* what() const noexcept override;
-	const wchar_t* What() const noexcept;
-	DWORD code;
-private:
-	char* m_szMsg = NULL;
-	wchar_t* m_wszMsg = NULL;
-};
-
-/* Library: Wrapper for loading and freeing dynamically linked libraries. */
-struct Library
-{
-	static std::optional<Library> Maybe(const wchar_t* lib);
-	Library(const wchar_t* lib);
-	~Library();
-	template <class T> T* GetProcAddress(const char* szProc);
-private:
-	Library(HMODULE hModule);
-	HMODULE m_hModule;
-};
-
-template <typename T>
-T* Library::GetProcAddress(const char* const szProc)
-{
-	return (T*)(void*)::GetProcAddress(m_hModule, szProc);
-}
-
-template<size_t N, typename... T>
-inline int Swprintf(wchar_t (&buf)[N], const wchar_t* const fmt, T... xs)
-{
-	return _snwprintf_s(buf, N, _TRUNCATE, fmt, xs...);
-}
-
-/* Variable template for caching values from GetSystemMetrics. */
-template <int I>
-auto Metric = GetSystemMetrics(I);
-
-/* Check result of Windows API call, throwing error on NULL. */
-template <typename T>
-inline T require(const T x)
-{
-	if (!x) throw Win32Error();
-	return x;
-}
-
-/* Check result of Windows API call, showing a warning on NULL. */
-template <typename T>
-inline T prefer(const T x)
-{
-	if (!x) {
-		EBMessageBox(Win32Error().What(), L"System Error", MB_ICONWARNING);
-		return (T)NULL;
-	}
-	return x;
-}
-
-/* Return integer scaled for current DPI. */
-inline int Dpi(const int i)
-{
-	extern int g_dpi;
-	return MulDiv(i, g_dpi, 96);
-}
-
-inline int Cmp(const int a, const int b)
-{
-	if (a == b) return 0;
-	if (a > b) return 1;
-	return -1;
-}
-
-/* Get window rectangle relative to parent. */
-inline BOOL GetRelativeRect(const HWND hWnd, RECT* const rr)
-{
-	if (!GetClientRect(hWnd, rr)) return 0;
-	return MapWindowPoints(hWnd, GetParent(hWnd), (POINT*)rr, 2);
-}
-
-inline BOOL SetWindowRect(const HWND hWnd,
-    const long left, const long top, const long right, const long bottom)
-{
-	return MoveWindow(hWnd,
-	    left, top,
-	    right-left, bottom-top,
-	    TRUE);
-}
-
-inline BOOL SetWindowRect(const HWND hWnd, const RECT r)
-{
-	return SetWindowRect(hWnd, r.left, r.top, r.right, r.bottom);
-}
-
-inline BOOL EBIsThemeActive()
-{
-	extern BOOL (*IsThemeActive)();
-	return IsThemeActive? IsThemeActive(): 0;
-}
-
-inline BOOL EBSetWindowTheme(HWND hWnd, LPCWSTR pszSubAppName, LPCWSTR pszSubIdList)
-{
-	extern BOOL (*SetWindowTheme)(HWND, LPCWSTR, LPCWSTR);
-	return SetWindowTheme? SetWindowTheme(hWnd, pszSubAppName, pszSubIdList): 0;
-}
-
-#endif
-- 
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