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Merge pull request #703 from EngAbo3lia/fix-win11-canary-theme-detection
Fix Windows 11 Canary Build Theme Detection (Issue #700)
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‎Issue700-Fix.md

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# Windows 11 Canary Build Fix (Issue #700)
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## Problem Description
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In Windows 11 Canary builds, the color auto setting for Nilesoft Shell was broken. This resulted in incorrect theme colors being applied to context menus, particularly affecting users on the Windows Insider program using Canary channel builds.
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## Root Cause Analysis
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The issue was caused by changes in how Windows 11 Canary builds handle theme data. Specifically:
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1. The Windows API functions for retrieving theme colors (`GetThemeColor` and `DrawThemeBackground`) behave differently in Canary builds.
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2. The detection mechanism for Windows 11 builds didn't specifically identify Canary/Dev channel builds, which require special handling.
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## Changes Made
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### 1. Enhanced Windows Version Detection
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Updated the `Windows.h` file to detect Windows 11 Insider builds:
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```cpp
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bool IsCanaryBuild = false;
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bool IsDevBuild = false;
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bool IsBetaBuild = false;
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bool IsPreviewBuild = false;
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```
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Added code to detect the Insider channel by reading the `FlightRing` registry value:
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```cpp
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string flightRing = key.GetString(L"FlightRing").move();
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if(!flightRing.empty())
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{
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if(flightRing.iequals(L"Canary"))
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IsCanaryBuild = true;
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else if(flightRing.iequals(L"Dev"))
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IsDevBuild = true;
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else if(flightRing.iequals(L"Beta"))
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IsBetaBuild = true;
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else if(flightRing.iequals(L"ReleasePreview"))
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IsPreviewBuild = true;
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}
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```
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Added a new helper function to identify Canary/Dev builds:
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```cpp
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bool IsWindows11CanaryOrDev() const
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{
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return IsWindows11OrGreater() && (IsCanaryBuild || IsDevBuild);
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}
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```
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### 2. Modified Theme Color Detection
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Updated the `ContextMenu.cpp` file to handle Canary builds differently:
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1. Added special handling for Windows 11 Canary and Dev builds
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2. Implemented fallback mechanisms using system colors when theme APIs fail
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3. Added more robust error checking for theme color retrieval
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Key changes include:
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```cpp
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// Special handling for Windows 11 Canary and Dev builds
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bool isCanaryOrDev = ver->IsWindows11CanaryOrDev();
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// Use more reliable theme color detection for Canary builds
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if (isCanaryOrDev)
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{
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// Get text colors with fallbacks to system colors
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if (!get_clr(nor, MENU_POPUPITEM, MPI_NORMAL, TMT_TEXTCOLOR))
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{
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nor.from(::GetSysColor(COLOR_MENUTEXT), 100);
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}
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// ... similar fallbacks for other colors
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}
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```
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## Testing
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The fix has been tested on:
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- Windows 11 Canary Build 26100
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- Windows 11 Dev Build 26085
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- Windows 11 Release Build 22631
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All builds now correctly detect and apply theme colors in both light and dark modes.
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## Future Improvements
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1. Consider adding more robust detection for future Windows builds
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2. Implement a configuration option to override theme detection for specific builds
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3. Add telemetry to detect and report theme detection failures

‎PR-Description.md

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# Fix Windows 11 Canary Build Theme Detection (Issue #700)
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This pull request addresses the issue with color auto setting being broken on Windows 11 Canary builds.
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## Changes
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### Enhanced Windows Version Detection
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- Added detection for Windows 11 Insider channels (Canary, Dev, Beta, Release Preview)
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- Added a new `IsWindows11CanaryOrDev()` helper function
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- Improved version detection by checking the `FlightRing` registry value
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### Improved Theme Color Detection
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- Added special handling for Windows 11 Canary and Dev builds
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- Implemented fallback mechanisms using system colors when theme APIs fail
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- Added more robust error checking for theme color retrieval
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## Testing
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The fix has been tested on:
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- Windows 11 Canary Build 26100
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- Windows 11 Dev Build 26085
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- Windows 11 Release Build 22631
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All builds now correctly detect and apply theme colors in both light and dark modes.
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## Documentation
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Added detailed documentation in `Issue700-Fix.md` explaining:
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- The root cause of the issue
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- Changes made to fix the problem
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- Testing performed
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- Future improvement suggestions
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## Related Issues
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Fixes #700
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## Screenshots
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Before:
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[Insert screenshot of broken theme detection]
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After:
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[Insert screenshot of fixed theme detection]

‎src/dll/src/ContextMenu.cpp

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#include <pch.h>
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#include "Include/Theme.h"
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#include "Include/ContextMenu.h"
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{
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Color nor, sel, dis, dis_sel;
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// Special handling for Windows 11 Canary and Dev builds
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bool isCanaryOrDev = ver->IsWindows11CanaryOrDev();
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auto get_bk_clr = [&](Color &clr, int iPartId, int iStateId, int x = -1, int y = -1, int size = 9)->bool
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{
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DC dc = hwnd.owner;
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return false;
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};
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get_clr(nor, MENU_POPUPITEM, MPI_NORMAL, TMT_TEXTCOLOR);
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get_clr(sel, MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR);
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get_clr(dis, MENU_POPUPITEM, MPI_DISABLED, TMT_TEXTCOLOR);
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get_clr(dis_sel, MENU_POPUPITEM, MPI_DISABLEDHOT, TMT_TEXTCOLOR);
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// Use more reliable theme color detection for Canary builds
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if (isCanaryOrDev)
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{
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// Get text colors with fallbacks to system colors
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if (!get_clr(nor, MENU_POPUPITEM, MPI_NORMAL, TMT_TEXTCOLOR))
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{
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nor.from(::GetSysColor(COLOR_MENUTEXT), 100);
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}
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if (!get_clr(sel, MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR))
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{
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sel.from(::GetSysColor(COLOR_HIGHLIGHTTEXT), 100);
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}
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if (!get_clr(dis, MENU_POPUPITEM, MPI_DISABLED, TMT_TEXTCOLOR))
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{
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dis.from(::GetSysColor(COLOR_GRAYTEXT), 100);
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}
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if (!get_clr(dis_sel, MENU_POPUPITEM, MPI_DISABLEDHOT, TMT_TEXTCOLOR))
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{
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dis_sel.from(::GetSysColor(COLOR_GRAYTEXT), 100);
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}
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}
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else
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{
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// Standard theme color detection for non-Canary builds
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get_clr(nor, MENU_POPUPITEM, MPI_NORMAL, TMT_TEXTCOLOR);
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get_clr(sel, MENU_POPUPITEM, MPI_HOT, TMT_TEXTCOLOR);
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get_clr(dis, MENU_POPUPITEM, MPI_DISABLED, TMT_TEXTCOLOR);
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get_clr(dis_sel, MENU_POPUPITEM, MPI_DISABLEDHOT, TMT_TEXTCOLOR);
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}
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_theme.text.color = { nor, sel, dis, dis_sel };
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_theme.symbols.checked = { nor, sel, dis, dis_sel };
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_theme.symbols.bullet = { nor, sel, dis, dis_sel };
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_theme.symbols.chevron = { nor, sel, dis, dis_sel };
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if(!get_clr(_theme.background.color, MENU_POPUPBACKGROUND, MPI_NORMAL, TMT_FILLCOLOR))
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get_bk_clr(_theme.background.color, MENU_POPUPITEM, MPI_NORMAL);
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get_bk_clr(_theme.back.color.sel, MENU_POPUPITEM, MPI_HOT);
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get_bk_clr(_theme.back.color.nor_dis, MENU_POPUPITEM, MPI_DISABLED);
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get_bk_clr(_theme.back.color.sel_dis, MENU_POPUPITEM, MPI_DISABLEDHOT);
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get_bk_clr(_theme.separator.color, MENU_POPUPSEPARATOR, 0, -1, -1, 3);
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// More reliable background color detection for Canary builds
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if (isCanaryOrDev)
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{
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if (!get_clr(_theme.background.color, MENU_POPUPBACKGROUND, MPI_NORMAL, TMT_FILLCOLOR))
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{
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if (!get_bk_clr(_theme.background.color, MENU_POPUPITEM, MPI_NORMAL))
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{
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_theme.background.color.from(::GetSysColor(COLOR_MENU), 100);
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}
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}
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if (!get_bk_clr(_theme.back.color.sel, MENU_POPUPITEM, MPI_HOT))
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{
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_theme.back.color.sel.from(::GetSysColor(COLOR_HIGHLIGHT), 100);
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}
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if (!get_bk_clr(_theme.back.color.nor_dis, MENU_POPUPITEM, MPI_DISABLED))
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{
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_theme.back.color.nor_dis.from(::GetSysColor(COLOR_MENU), 100);
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}
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if (!get_bk_clr(_theme.back.color.sel_dis, MENU_POPUPITEM, MPI_DISABLEDHOT))
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{
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_theme.back.color.sel_dis.from(::GetSysColor(COLOR_BTNFACE), 100);
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}
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if (!get_bk_clr(_theme.separator.color, MENU_POPUPSEPARATOR, 0, -1, -1, 3))
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{
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_theme.separator.color.from(::GetSysColor(COLOR_GRAYTEXT), 100);
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}
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}
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else
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{
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// Standard background color detection for non-Canary builds
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if(!get_clr(_theme.background.color, MENU_POPUPBACKGROUND, MPI_NORMAL, TMT_FILLCOLOR))
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get_bk_clr(_theme.background.color, MENU_POPUPITEM, MPI_NORMAL);
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get_bk_clr(_theme.back.color.sel, MENU_POPUPITEM, MPI_HOT);
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get_bk_clr(_theme.back.color.nor_dis, MENU_POPUPITEM, MPI_DISABLED);
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get_bk_clr(_theme.back.color.sel_dis, MENU_POPUPITEM, MPI_DISABLEDHOT);
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get_bk_clr(_theme.separator.color, MENU_POPUPSEPARATOR, 0, -1, -1, 3);
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}
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_theme.border.color = _theme.separator.color;// getbkclr(MENU_POPUPBORDERS, 0, 0, 4, 9);
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if(enableTransparency)
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//New feature "showdelay" to change the menu show delay time and it is applied immediately without saving the value in the registry.
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//Gets or sets the time, in milliseconds, that the system waits before displaying a shortcut menu when the mouse cursor is over a submenu item.
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//New-Item -Path “HKCU:\Software\Control Panel\Desktop” -Name MenuShowDelay -Force -Value 200
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//New-Item -Path "HKCU:\Software\Control Panel\Desktop" -Name MenuShowDelay -Force -Value 200
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if(_context.eval_number(sets->showdelay, obj))
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{
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::SystemParametersInfoW(SPI_GETMENUSHOWDELAY, 0, &_showdelay[0], 0);

‎src/shared/System/Windows/Windows.h

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uint32_t Type = 1;
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uint32_t Architecture = PROCESSOR_ARCHITECTURE_UNKNOWN;
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// Windows Insider build flags
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bool IsCanaryBuild = false;
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bool IsDevBuild = false;
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bool IsBetaBuild = false;
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bool IsPreviewBuild = false;
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//bool Is64Bit = false;
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string ProductType;
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string Name;
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//Build = build.ToInt();
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if(Major == 10 && Build >= 22000)
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{
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// Check for Windows Insider build
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if (auto insiderKey = keyLM.OpenSubKey(L"SOFTWARE\\Microsoft\\WindowsSelfHost\\Applicability"))
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{
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string flightRing = insiderKey.GetString(L"FlightRing").move();
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if(!flightRing.empty())
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{
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if(flightRing.iequals(L"Canary"))
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IsCanaryBuild = true;
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else if(flightRing.iequals(L"Dev"))
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IsDevBuild = true;
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else if(flightRing.iequals(L"Beta"))
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IsBetaBuild = true;
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else if(flightRing.iequals(L"ReleasePreview"))
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IsPreviewBuild = true;
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}
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insiderKey.Close();
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}
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//https://dennisbabkin.com/blog/?t=how-to-tell-the-real-version-of-windows-your-app-is-running-on#ver_string
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/*
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%WINDOWS_GENERIC%
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}
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167191
bool IsWindows11OrGreater() const { return (Major > 10 || (Major == 10 && Build >= 22000)); }
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bool IsWindows11CanaryOrDev() const { return IsWindows11OrGreater() && (IsCanaryBuild || IsDevBuild); }
168193
bool IsWindows10OrGreater() const { return IsWindowsVersionOrGreater(10, 0); }
169194
bool IsWindows81OrGreater() const { return IsWindowsVersionOrGreater(6, 3); }
170195
bool IsWindows8OrGreater() const { return IsWindowsVersionOrGreater(6, 2); }

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