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Update Shell.
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Bruce
160
appinstaller/themeinfo.h
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160
appinstaller/themeinfo.h
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#pragma once
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#include <Windows.h>
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#include <dwmapi.h>
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bool IsHighContrastEnabled ()
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{
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HIGHCONTRAST hc = {sizeof (HIGHCONTRAST)};
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if (SystemParametersInfo (SPI_GETHIGHCONTRAST, sizeof (hc), &hc, 0)) return (hc.dwFlags & HCF_HIGHCONTRASTON) != 0;
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return false;
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}
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enum class HighContrastTheme
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{
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None,
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Black,
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White,
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Other
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};
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HighContrastTheme GetHighContrastTheme ()
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{
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HIGHCONTRAST hc = {sizeof (HIGHCONTRAST)};
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if (!SystemParametersInfo (SPI_GETHIGHCONTRAST, sizeof (hc), &hc, 0)) return HighContrastTheme::None;
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if (!(hc.dwFlags & HCF_HIGHCONTRASTON)) return HighContrastTheme::None;
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COLORREF bgColor = GetSysColor (COLOR_WINDOW);
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COLORREF textColor = GetSysColor (COLOR_WINDOWTEXT);
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int brightnessBg = (GetRValue (bgColor) + GetGValue (bgColor) + GetBValue (bgColor)) / 3;
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int brightnessText = (GetRValue (textColor) + GetGValue (textColor) + GetBValue (textColor)) / 3;
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if (brightnessBg < brightnessText) return HighContrastTheme::Black;
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else if (brightnessBg > brightnessText) return HighContrastTheme::White;
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else return HighContrastTheme::Other;
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}
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int GetDPI ()
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{
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HDC hDC = GetDC (NULL);
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int DPI_A = (int)(((double)GetDeviceCaps (hDC, 118) / (double)GetDeviceCaps (hDC, 8)) * 100);
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int DPI_B = (int)(((double)GetDeviceCaps (hDC, 88) / 96) * 100);
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ReleaseDC (NULL, hDC);
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if (DPI_A == 100) return DPI_B;
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else if (DPI_B == 100) return DPI_A;
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else if (DPI_A == DPI_B) return DPI_A;
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else return 0;
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}
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int GetScreenWidth () { return GetSystemMetrics (SM_CXSCREEN); }
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int GetScreenHeight () { return GetSystemMetrics (SM_CYSCREEN); }
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System::Drawing::Color GetDwmThemeColor ()
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{
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DWORD color = 0;
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BOOL opaqueBlend = FALSE;
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// 调用 DwmGetColorizationColor 获取 Aero 颜色
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HRESULT hr = DwmGetColorizationColor (&color, &opaqueBlend);
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if (SUCCEEDED (hr)) {
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BYTE r = (BYTE)((color & 0x00FF0000) >> 16);
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BYTE g = (BYTE)((color & 0x0000FF00) >> 8);
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BYTE b = (BYTE)(color & 0x000000FF);
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return System::Drawing::Color::FromArgb (r, g, b);
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}
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else {
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// 如果获取失败，返回默认颜色
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return System::Drawing::Color::FromArgb (0, 120, 215);
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}
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}
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String ^ColorToHtml (System::Drawing::Color color)
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{
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return String::Format ("#{0:X2}{1:X2}{2:X2}", color.R, color.G, color.B);
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}
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System::Drawing::Color StringToColor (String ^colorStr)
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{
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using Color = System::Drawing::Color;
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using Regex = System::Text::RegularExpressions::Regex;
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auto Clamp = [] (int value, int min, int max)
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{
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return (value < min) ? min : (value > max) ? max : value;
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};
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String ^normalized = colorStr->Trim ()->ToLower ();
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if (normalized == "transparent") return Color::Transparent;
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if (Color::FromName (normalized).IsKnownColor)
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{
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return Color::FromName (normalized);
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}
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if (normalized->StartsWith ("#"))
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{
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String^ hex = normalized->Substring (1);
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if (hex->Length == 3 || hex->Length == 4)
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{
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hex = String::Concat (
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hex [0].ToString () + hex [0],
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hex [1].ToString () + hex [1],
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hex [2].ToString () + hex [2],
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(hex->Length == 4) ? (hex [3].ToString () + hex [3]) : ""
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);
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}
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uint32_t argb = Convert::ToUInt32 (hex, 16);
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switch (hex->Length)
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{
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case 6: return Color::FromArgb (
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0xFF,
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(argb >> 16) & 0xFF,
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(argb >> 8) & 0xFF,
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argb & 0xFF
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);
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case 8: return Color::FromArgb (
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(argb >> 24) & 0xFF,
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(argb >> 16) & 0xFF,
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(argb >> 8) & 0xFF,
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argb & 0xFF
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);
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default: throw gcnew ArgumentException ("Invalid hex color format");
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}
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}
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System::Text::RegularExpressions::Match ^match = Regex::Match (normalized,
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"^(rgba?)\\s*\\(\\s*(\\d+%?)\\s*,\\s*(\\d+%?)\\s*,\\s*(\\d+%?)\\s*,?\\s*([\\d.]+%?)?\\s*\\)$");
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if (match->Success)
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{
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auto GetComponent = [&] (String^ val) -> int
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{
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if (val->EndsWith ("%"))
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{
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float percent = float::Parse (val->TrimEnd ('%')) / 100.0f;
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return Clamp ((int)Math::Round (percent * 255), 0, 255);
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}
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return Clamp (int::Parse (val), 0, 255);
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};
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int r = GetComponent (match->Groups [2]->Value);
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int g = GetComponent (match->Groups [3]->Value);
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int b = GetComponent (match->Groups [4]->Value);
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if (match->Groups [1]->Value == "rgba")
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{
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String^ alphaVal = match->Groups [5]->Value;
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int a = 255;
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if (alphaVal->EndsWith ("%"))
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{
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float percent = float::Parse (alphaVal->TrimEnd ('%')) / 100.0f;
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a = Clamp ((int)Math::Round (percent * 255), 0, 255);
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}
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else if (!String::IsNullOrEmpty (alphaVal))
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{
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a = Clamp ((int)Math::Round (float::Parse (alphaVal) * 255), 0, 255);
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}
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return Color::FromArgb (a, r, g, b);
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}
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return Color::FromArgb (r, g, b);
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}
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//throw gcnew ArgumentException ("Unsupported color format: " + colorStr);
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return Color::Transparent;
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}
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bool IsAppInDarkMode ()
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{
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HKEY hKey;
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DWORD dwValue;
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if (RegOpenKeyEx (HKEY_CURRENT_USER, L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize", 0, KEY_READ, &hKey) == ERROR_SUCCESS)
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{
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DWORD dwSize = sizeof (dwValue);
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if (RegQueryValueEx (hKey, L"AppsUseLightTheme", NULL, NULL, (LPBYTE)&dwValue, &dwSize) == ERROR_SUCCESS)
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{
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RegCloseKey (hKey);
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return dwValue == 0;
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}
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RegCloseKey (hKey);
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}
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return false;
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}
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