Improve Window object.

1 files changed, 0 insertions, 153 deletions

diff --git a/c/win.h b/c/win.h
deleted file mode 100644
index 1e09c1f..0000000
--- a/c/win.h
+++ /dev/null
@@ -1,153 +0,0 @@
-#ifndef WIN_H
-#define WIN_H
-
-#include <optional>
-#include <string_view>
-#include <windows.h>
-#include <commctrl.h>
-
-/* Convert narrow to wide string. */
-std::wstring WideFromNarrow(const std::string_view src, const int cp = CP_UTF8);
-
-/* Run given procedure at creation of next window. */
-void WithNextWindow(void (*proc)(HWND));
-
-/* Display message box centered in main window. */
-int EBMessageBox(std::wstring_view text, std::wstring_view data, UINT uType);
-
-/* Show message box for current exception. */
-void ShowException(
-    const wchar_t* fmt = L"An error occurred: %s",
-    const wchar_t* title = L"Error",
-    UINT uType = MB_ICONWARNING) noexcept;
-
-/* Retrieve mouse position relative to given window's client area. */
-int GetRelativeCursorPos(HWND hWnd, POINT* pt) noexcept;
-
-/* Cached values from GetSystemMetrics. */
-template <int I> auto Metric = GetSystemMetrics(I);
-
-struct WideException : public std::exception
-{
-	virtual const char* what() const noexcept = 0;
-	virtual const wchar_t* What() const noexcept = 0;
-};
-
-/* Exception for Windows API errors. */
-struct Win32Error : public WideException
-{
-	Win32Error(DWORD code = GetLastError(), HMODULE hModule = nullptr) noexcept;
-	~Win32Error() noexcept;
-	const char* what() const noexcept override;
-	const wchar_t* What() const noexcept override;
-	DWORD code;
-private:
-	HMODULE hModule;
-	char* m_szMsg = nullptr;
-	wchar_t* m_wszMsg = nullptr;
-};
-
-/* Exception for extended Wininet errors. */
-struct InternetError : public WideException
-{
-	InternetError(DWORD codeSystem = GetLastError());
-	~InternetError() noexcept;
-	const char* what() const noexcept override;
-	const wchar_t* What() const noexcept override;
-	DWORD code;
-private:
-	char* m_szMsg = nullptr;
-	wchar_t* m_wszMsg = nullptr;
-};
-
-/* Wrapper for loading and freeing dynamically linked libraries. */
-struct Library
-{
-	/* Non-throwing named constructor. */
-	static std::optional<Library> Maybe(const wchar_t* lib) noexcept;
-
-	Library(const wchar_t* lib);
-	~Library() noexcept;
-
-	template <class T> T* GetProcAddress(const char* szProc) noexcept;
-private:
-	/* Non-throwing constructor used by Maybe. */
-	Library(HMODULE hModule) noexcept;
-	HMODULE m_hModule;
-};
-
-template <typename T>
-T* Library::GetProcAddress(const char* const szProc) noexcept
-{
-	return (T*)(void*)::GetProcAddress(m_hModule, szProc);
-}
-
-/* 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)0;
-	}
-	return x;
-}
-
-/* Return integer scaled for current DPI. */
-inline int Dpi(const int i)
-{
-	extern int g_dpi;
-	return MulDiv(i, g_dpi, 96);
-}
-
-/* Retrieve given window's rectangle relative to parent's client area. */
-inline BOOL GetRelativeRect(const HWND hWnd, RECT* const rr)
-{
-	if (!GetClientRect(hWnd, rr)) return 0;
-	return MapWindowPoints(hWnd, GetParent(hWnd), reinterpret_cast<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);
-}
-
-/* The following two functions call uxtheme.dll functions, if
- * uxtheme.dll exists, and otherwise do nothing. */
-inline BOOL EBIsThemeActive()
-{
-	extern BOOL (__stdcall *IsThemeActive)();
-	return IsThemeActive? IsThemeActive(): 0;
-}
-
-inline HRESULT EBSetWindowTheme(const HWND hWnd, const wchar_t* const pszSubAppName,
-    const wchar_t* const pszSubIdList)
-{
-	extern HRESULT (__stdcall *SetWindowTheme)(HWND, const wchar_t*, const wchar_t*);
-	return SetWindowTheme? SetWindowTheme(hWnd, pszSubAppName, pszSubIdList): 0;
-}
-
-inline void Status(const wchar_t* msg, unsigned short i = 0)
-{
-	extern HWND g_hWndStatus;
-	SendMessage(g_hWndStatus, SB_SETTEXT, MAKEWPARAM(i,0), reinterpret_cast<LPARAM>(msg));
-}
-
-#endif