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ew8bakandClaude Sonnet 4.6
e9f4bf1732
FPC's GetAppConfigDir on Windows falls back to the exe directory if the shell API call fails, which breaks installs in Program Files. Read %APPDATA% from the environment variable instead. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
86 lines
1.9 KiB
ObjectPascal
86 lines
1.9 KiB
ObjectPascal
unit PlatformUtils;
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{
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PlatformUtils.pas - small helpers for desktop/runtime platform checks.
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}
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{$IFDEF FPC}
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{$MODE Delphi}
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{$ENDIF}
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interface
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function QtPlatformAllowsOpenGLControls: Boolean;
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function HasOpenGLSpectrumSwitch: Boolean;
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function CurrentScreenDPI: Integer;
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// Возвращает каталог для хранения конфигурации (с завершающим разделителем).
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// macOS: ~/Library/Application Support/ewsdr/
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// Linux: ~/.config/ewsdr/
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// Windows: %APPDATA%\ewsdr\
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function GetAppCfgDir: string;
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implementation
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uses
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SysUtils, Forms;
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function QtPlatformAllowsOpenGLControls: Boolean;
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var
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Qpa, FirstQpa, SessionType: string;
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Sep: Integer;
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begin
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Result := True;
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Qpa := LowerCase(Trim(GetEnvironmentVariable('QT_QPA_PLATFORM')));
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SessionType := LowerCase(Trim(GetEnvironmentVariable('XDG_SESSION_TYPE')));
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if Qpa <> '' then
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begin
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FirstQpa := Qpa;
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Sep := Pos(';', FirstQpa);
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if Sep > 0 then
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FirstQpa := Copy(FirstQpa, 1, Sep - 1);
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Result := FirstQpa <> 'wayland';
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Exit;
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end;
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Result := SessionType <> 'wayland';
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end;
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function HasOpenGLSpectrumSwitch: Boolean;
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var
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I: Integer;
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S: string;
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begin
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Result := False;
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for I := 1 to ParamCount do
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begin
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S := LowerCase(ParamStr(I));
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if (S = '--opengl') or (S = '-opengl') or (S = '/opengl') then
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Exit(True);
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end;
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end;
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function CurrentScreenDPI: Integer;
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begin
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Result := Screen.PixelsPerInch;
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if Result <= 0 then Result := 96;
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end;
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function GetAppCfgDir: string;
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begin
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{$IFDEF WINDOWS}
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Result := GetEnvironmentVariable('APPDATA');
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if Result = '' then
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Result := GetEnvironmentVariable('LOCALAPPDATA');
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if Result = '' then
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Result := ExtractFilePath(ParamStr(0));
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Result := IncludeTrailingPathDelimiter(Result) + 'ewsdr' + PathDelim;
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{$ELSE}
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Result := IncludeTrailingPathDelimiter(GetAppConfigDir(False));
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{$ENDIF}
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if not DirectoryExists(Result) then
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ForceDirectories(Result);
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end;
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end.
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