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WindowsPlus.h
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WindowsPlus.h
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#pragma once
#define STRICT
#define WIN32_LEAN_AND_MEAN
#define NOMINMAX
#include <Windows.h>
#include <shellapi.h>
#include <CommCtrl.h>
inline LONG Width(const RECT r)
{
return r.right - r.left;
}
inline LONG Height(const RECT r)
{
return r.bottom - r.top;
}
inline void SetWindowAccentDisabled(HWND hWnd)
{
const HINSTANCE hModule = GetModuleHandle(TEXT("user32.dll"));
if (hModule)
{
typedef enum _ACCENT_STATE {
ACCENT_DISABLED,
ACCENT_ENABLE_GRADIENT,
ACCENT_ENABLE_TRANSPARENTGRADIENT,
ACCENT_ENABLE_BLURBEHIND,
ACCENT_ENABLE_ACRYLICBLURBEHIND,
ACCENT_INVALID_STATE
} ACCENT_STATE;
struct ACCENTPOLICY
{
ACCENT_STATE nAccentState;
DWORD nFlags;
DWORD nColor;
DWORD nAnimationId;
};
typedef enum _WINDOWCOMPOSITIONATTRIB {
WCA_UNDEFINED = 0,
WCA_NCRENDERING_ENABLED = 1,
WCA_NCRENDERING_POLICY = 2,
WCA_TRANSITIONS_FORCEDISABLED = 3,
WCA_ALLOW_NCPAINT = 4,
WCA_CAPTION_BUTTON_BOUNDS = 5,
WCA_NONCLIENT_RTL_LAYOUT = 6,
WCA_FORCE_ICONIC_REPRESENTATION = 7,
WCA_EXTENDED_FRAME_BOUNDS = 8,
WCA_HAS_ICONIC_BITMAP = 9,
WCA_THEME_ATTRIBUTES = 10,
WCA_NCRENDERING_EXILED = 11,
WCA_NCADORNMENTINFO = 12,
WCA_EXCLUDED_FROM_LIVEPREVIEW = 13,
WCA_VIDEO_OVERLAY_ACTIVE = 14,
WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15,
WCA_DISALLOW_PEEK = 16,
WCA_CLOAK = 17,
WCA_CLOAKED = 18,
WCA_ACCENT_POLICY = 19,
WCA_FREEZE_REPRESENTATION = 20,
WCA_EVER_UNCLOAKED = 21,
WCA_VISUAL_OWNER = 22,
WCA_LAST = 23
} WINDOWCOMPOSITIONATTRIB;
struct WINCOMPATTRDATA
{
WINDOWCOMPOSITIONATTRIB nAttribute;
PVOID pData;
ULONG ulDataSize;
};
typedef BOOL(WINAPI* pSetWindowCompositionAttribute)(HWND, WINCOMPATTRDATA*);
const pSetWindowCompositionAttribute SetWindowCompositionAttribute = (pSetWindowCompositionAttribute) GetProcAddress(hModule, "SetWindowCompositionAttribute");
if (SetWindowCompositionAttribute)
{
ACCENTPOLICY policy = { ACCENT_DISABLED, 0, 0, 0 };
WINCOMPATTRDATA data = { WCA_ACCENT_POLICY, &policy, sizeof(ACCENTPOLICY) };
SetWindowCompositionAttribute(hWnd, &data);
//DwmSetWindowAttribute(hWnd, WCA_ACCENT_POLICY, &policy, sizeof(ACCENTPOLICY));
}
//FreeLibrary(hModule);
}
}
inline void SetWindowBlur(HWND hWnd)
{
const HINSTANCE hModule = GetModuleHandle(TEXT("user32.dll"));
if (hModule)
{
typedef enum _ACCENT_STATE {
ACCENT_DISABLED,
ACCENT_ENABLE_GRADIENT,
ACCENT_ENABLE_TRANSPARENTGRADIENT,
ACCENT_ENABLE_BLURBEHIND,
ACCENT_ENABLE_ACRYLICBLURBEHIND,
ACCENT_INVALID_STATE
} ACCENT_STATE;
struct ACCENTPOLICY
{
ACCENT_STATE nAccentState;
DWORD nFlags;
DWORD nColor;
DWORD nAnimationId;
};
typedef enum _WINDOWCOMPOSITIONATTRIB {
WCA_UNDEFINED = 0,
WCA_NCRENDERING_ENABLED = 1,
WCA_NCRENDERING_POLICY = 2,
WCA_TRANSITIONS_FORCEDISABLED = 3,
WCA_ALLOW_NCPAINT = 4,
WCA_CAPTION_BUTTON_BOUNDS = 5,
WCA_NONCLIENT_RTL_LAYOUT = 6,
WCA_FORCE_ICONIC_REPRESENTATION = 7,
WCA_EXTENDED_FRAME_BOUNDS = 8,
WCA_HAS_ICONIC_BITMAP = 9,
WCA_THEME_ATTRIBUTES = 10,
WCA_NCRENDERING_EXILED = 11,
WCA_NCADORNMENTINFO = 12,
WCA_EXCLUDED_FROM_LIVEPREVIEW = 13,
WCA_VIDEO_OVERLAY_ACTIVE = 14,
WCA_FORCE_ACTIVEWINDOW_APPEARANCE = 15,
WCA_DISALLOW_PEEK = 16,
WCA_CLOAK = 17,
WCA_CLOAKED = 18,
WCA_ACCENT_POLICY = 19,
WCA_FREEZE_REPRESENTATION = 20,
WCA_EVER_UNCLOAKED = 21,
WCA_VISUAL_OWNER = 22,
WCA_LAST = 23
} WINDOWCOMPOSITIONATTRIB;
struct WINCOMPATTRDATA
{
WINDOWCOMPOSITIONATTRIB nAttribute;
PVOID pData;
ULONG ulDataSize;
};
typedef BOOL(WINAPI* pSetWindowCompositionAttribute)(HWND, WINCOMPATTRDATA*);
const pSetWindowCompositionAttribute SetWindowCompositionAttribute = (pSetWindowCompositionAttribute) GetProcAddress(hModule, "SetWindowCompositionAttribute");
if (SetWindowCompositionAttribute)
{
ACCENTPOLICY policy = { ACCENT_ENABLE_ACRYLICBLURBEHIND, 0, 0x80000000, 0 };
//ACCENTPOLICY policy = { ACCENT_ENABLE_BLURBEHIND };
WINCOMPATTRDATA data = { WCA_ACCENT_POLICY, &policy, sizeof(ACCENTPOLICY) };
SetWindowCompositionAttribute(hWnd, &data);
//DwmSetWindowAttribute(hWnd, WCA_ACCENT_POLICY, &policy, sizeof(ACCENTPOLICY));
}
//FreeLibrary(hModule);
}
}
inline HICON GetFileIcon(LPCTSTR pStrFile, bool Large)
{
#if 0
WORD icon = 0;
TCHAR file[MAX_PATH];
lstrcpy(file, pStrFile);
return ExtractAssociatedIcon(g_hInstance, file, &icon); // TODO Also get small icons and ones without shortcut arrow
#else
SHFILEINFO fi = {};
SHGetFileInfo(pStrFile, 0, &fi, sizeof(SHFILEINFO), SHGFI_ICON | (Large ? SHGFI_LARGEICON : SHGFI_SMALLICON));
return fi.hIcon;
#endif
}
// https://devblogs.microsoft.com/oldnewthing/20110127-00/?p=11653
inline HICON GetIconWithoutShortcutOverlay(PCTSTR pszFile, bool Large)
{
SHFILEINFO sfi;
HIMAGELIST himl = reinterpret_cast<HIMAGELIST>(SHGetFileInfo(pszFile, 0, &sfi, sizeof(sfi), SHGFI_SYSICONINDEX | (Large ? SHGFI_LARGEICON : SHGFI_SMALLICON)));
if (himl)
return ImageList_GetIcon(himl, sfi.iIcon, ILD_NORMAL);
else
return NULL;
}
inline SIZE GetFontSize(const HWND hWnd, const HANDLE hFont, _In_reads_(c) LPCTSTR lpString, _In_ int c)
{
SIZE TextSize = {};
HDC hDC = ::GetDC(hWnd);
const HANDLE hOldFont = SelectObject(hDC, hFont);
GetTextExtentPoint32(hDC, lpString, c, &TextSize);
SelectObject(hDC, hOldFont);
ReleaseDC(hWnd, hDC);
return TextSize;
}
inline BOOL ScreenToClient(_In_ HWND hWnd, _Inout_ LPRECT lpRect)
{
_ASSERT(::IsWindow(hWnd));
if (!::ScreenToClient(hWnd, (LPPOINT) lpRect))
return FALSE;
return ::ScreenToClient(hWnd, ((LPPOINT) lpRect) + 1);
}