[456] | 1 | unit ORFn;
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| 2 |
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| 3 | {$OPTIMIZATION OFF}
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| 4 |
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| 5 | interface // --------------------------------------------------------------------------------
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| 6 |
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| 7 | uses SysUtils, Windows, Messages, Classes, Controls, StdCtrls, ExtCtrls, ComCtrls, Forms,
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[829] | 8 | Graphics, Menus, RichEdit, Buttons;
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[456] | 9 |
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| 10 | const
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| 11 | U = '^';
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| 12 | CRLF = #13#10;
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| 13 | BOOLCHAR: array[Boolean] of Char = ('0', '1');
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| 14 | UM_STATUSTEXT = (WM_USER + 302); // used to send update status msg to main form
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| 15 |
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[829] | 16 | var
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| 17 | ScrollBarHeight: integer = 0;
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| 18 |
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[456] | 19 | type
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| 20 | TFMDateTime = Double;
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| 21 | TORIdleCallProc = procedure(Msg: string);
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| 22 |
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| 23 | { Date/Time functions }
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| 24 | function DateTimeToFMDateTime(ADateTime: TDateTime): TFMDateTime;
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| 25 | function FMDateTimeToDateTime(ADateTime: TFMDateTime): TDateTime;
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| 26 | function FMDateTimeOffsetBy(ADateTime: TFMDateTime; DaysDiff: Integer): TFMDateTime;
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| 27 | function FormatFMDateTime(AFormat: string; ADateTime: TFMDateTime): string;
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| 28 | function FormatFMDateTimeStr(const AFormat, ADateTime: string): string;
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| 29 | function IsFMDateTime(x: string): Boolean;
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| 30 | function MakeFMDateTime(const AString: string): TFMDateTime;
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| 31 | procedure SetListFMDateTime(AFormat: string; AList: TStringList; ADelim: Char;
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| 32 | PieceNum: Integer; KeepBad: boolean = FALSE);
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| 33 |
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| 34 | { Numeric functions }
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| 35 | function HigherOf(i, j: Integer): Integer;
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| 36 | function LowerOf(i, j: Integer): Integer;
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| 37 | function StrToFloatDef(const S: string; ADefault: Extended): Extended;
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[1693] | 38 | function RectContains(Rect: TRect; Point: TPoint): boolean;
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[456] | 39 |
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| 40 | { String functions }
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| 41 | function CharAt(const x: string; APos: Integer): Char;
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| 42 | function ContainsAlpha(const x: string): Boolean;
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| 43 | function ContainsVisibleChar(const x: string): Boolean;
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[1693] | 44 | function ContainsUpCarretChar(const x: string): Boolean;
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[456] | 45 | function ConvertSpecialStrings(const x: string): String;
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| 46 | function CRCForFile(AFileName: string): DWORD;
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| 47 | function CRCForStrings(AStringList: TStrings): DWORD;
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| 48 | procedure ExpandTabsFilter(AList: TStrings; ATabWidth: Integer);
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| 49 | function ExtractInteger(x: string): Integer;
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| 50 | function ExtractFloat(x: string): Extended;
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| 51 | function ExtractDefault(Src: TStrings; const Section: string): string;
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| 52 | procedure ExtractItems(Dest, Src: TStrings; const Section: string);
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| 53 | procedure ExtractText(Dest, Src: TStrings; const Section: string);
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| 54 | function FilteredString(const x: string; ATabWidth: Integer = 8): string;
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| 55 | procedure InvertStringList(AList: TStringList);
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| 56 | procedure LimitStringLength(var AList: TStringList; MaxLength: Integer);
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| 57 | function MixedCase(const x: string): string;
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| 58 | procedure MixedCaseList(AList: TStrings);
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| 59 | procedure MixedCaseByPiece(AList: TStrings; ADelim: Char; PieceNum: Integer);
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| 60 | function Piece(const S: string; Delim: char; PieceNum: Integer): string;
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| 61 | function Pieces(const S: string; Delim: char; FirstNum, LastNum: Integer): string;
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| 62 | function ComparePieces(P1, P2: string; Pieces: array of integer; Delim:
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| 63 | char = '^'; CaseInsensitive: boolean = FALSE): integer;
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| 64 | procedure PiecesToList(x: string; ADelim: Char; AList: TStrings);
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| 65 | function ReverseStr(const x: string): string;
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| 66 | procedure SetPiece(var x: string; Delim: Char; PieceNum: Integer; const NewPiece: string);
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| 67 | procedure SetPieces(var x: string; Delim: Char; Pieces: Array of Integer;
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| 68 | FromString: string);
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| 69 | procedure SortByPiece(AList: TStringList; ADelim: Char; PieceNum: Integer);
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| 70 | function DelimCount(const Str, Delim: string): integer;
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| 71 | procedure QuickCopy(AFrom, ATo: TObject);
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[829] | 72 | procedure QuickAdd(AFrom, ATo: TObject);
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| 73 | procedure FastAssign(source, destination: TStrings);
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| 74 | procedure FastAddStrings(source, destination: TStrings);
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[456] | 75 | function ValidFileName(const InitialFileName: string): string;
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| 76 |
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| 77 | { Display functions }
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| 78 | procedure ForceInsideWorkArea( var Rect: TRect);
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| 79 | //procedure ClearControl(AControl: TControl);
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| 80 | function InfoBox(const Text, Caption: string; Flags: Word): Integer;
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| 81 | procedure LimitEditWidth(AControl: TWinControl; NumChars: Integer);
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| 82 | function MainFont: TFont;
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| 83 | function MainFontSize: Integer;
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| 84 | function MainFontWidth: Integer;
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| 85 | function MainFontHeight: Integer;
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| 86 | function BaseFont: TFont;
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| 87 | procedure RedrawSuspend(AHandle: HWnd);
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| 88 | procedure RedrawActivate(AHandle: HWnd);
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| 89 | //procedure ResetControl(AControl: TControl);
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| 90 | procedure ResetSelectedForList(AListBox: TListBox);
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| 91 | procedure ResizeFormToFont(AForm: TForm);
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| 92 | procedure ResizeAnchoredFormToFont( AForm: TForm);
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[829] | 93 | procedure AdjustForWindowsXPStyleTitleBar(AForm: TForm);
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[456] | 94 | function ResizeWidth( OldFont: TFont; NewFont: TFont; OldWidth: integer): integer;
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| 95 | function ResizeHeight( OldFont: TFont; NewFont: TFont; OldHeight: integer): integer;
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| 96 | procedure ResizeToFont(FontSize: Integer; var W, H: Integer);
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| 97 | procedure SetEqualTabStops(AControl: TControl; TabWidth: Integer = 8);
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| 98 | procedure StatusText(const S: string);
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| 99 | function ShowMsgOn(AnExpression: Boolean; const AMsg, ACaption: string): Boolean;
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| 100 | function TextWidthByFont(AFontHandle: THandle; const x: string): Integer;
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| 101 | function TextHeightByFont(AFontHandle: THandle; const x: string): Integer;
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| 102 | function WrappedTextHeightByFont(Canvas: TCanvas; NewFont: TFont; ItemText: string; var ARect: TRect): integer;
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| 103 | function NumCharsFitInWidth(AFontHandle: THandle; const x: string; const MaxLen: integer): Integer;
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| 104 | function PopupComponent(Sender: TObject; PopupMenu: TPopupMenu): TComponent;
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| 105 | procedure ReformatMemoParagraph(AMemo: TCustomMemo);
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| 106 |
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[829] | 107 | function BlackColorScheme: Boolean;
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| 108 | function NormalColorScheme: Boolean;
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| 109 | function Get508CompliantColor(Color: TColor): TColor;
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| 110 | procedure UpdateColorsFor508Compliance(control: TControl; InputEditControl: boolean = FALSE);
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| 111 | procedure UpdateReadOnlyColorScheme(Control: TControl; ReadOnly: boolean);
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| 112 |
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[456] | 113 | { ListBox Grid functions }
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| 114 | procedure ListGridDrawCell(AListBox: TListBox; AHeader: THeaderControl; ARow, AColumn: Integer;
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| 115 | const x: string; WordWrap: Boolean);
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| 116 | procedure ListGridDrawLines(AListBox: TListBox; AHeader: THeaderControl; Index: Integer;
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| 117 | State: TOwnerDrawState);
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| 118 | function ListGridRowHeight(AListBox: TListBox; AHeader: THeaderControl; ARow, AColumn: Integer;
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| 119 | const x: string): Integer;
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| 120 |
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| 121 | { Misc functions }
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[1693] | 122 | function CPRSInstances: integer;
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[456] | 123 | { You MUST pass an address to an object variable to get KillObj to work }
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| 124 | procedure KillObj(ptr: Pointer; KillObjects: boolean = FALSE);
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| 125 |
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| 126 | { do NOT use CallWhenIdle to call RPCs. Use CallRPCWhenIdle in ORNet }
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| 127 | procedure CallWhenIdle(CallProc: TORIdleCallProc; Msg: String);
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| 128 | procedure CallWhenIdleNotifyWhenDone(CallProc, DoneProc: TORIdleCallProc; Msg: String);
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[1693] | 129 |
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[456] | 130 | procedure menuHideAllBut(aMenuItem: tMenuItem; butItems: array of tMenuItem);
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| 131 | function TabIsPressed : Boolean;
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| 132 | function ShiftTabIsPressed : Boolean;
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[829] | 133 | function EnterIsPressed : Boolean;
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[1693] | 134 | procedure ScrollControl(Window: TScrollingWinControl; ScrollingUp: boolean; Amount: integer = 40);
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[456] | 135 |
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| 136 | implementation // ---------------------------------------------------------------------------
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| 137 |
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| 138 | uses
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[829] | 139 | ORCtrls, Grids, Chart, CheckLst, VAUtils;
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[456] | 140 |
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| 141 | const
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| 142 | { names of months used by FormatFMDateTime }
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| 143 | MONTH_NAMES_SHORT: array[1..12] of string[3] =
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| 144 | ('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec');
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| 145 | MONTH_NAMES_LONG: array[1..12] of string[9] =
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| 146 | ('January','February','March','April','May','June','July','August','September','October',
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| 147 | 'November', 'December');
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| 148 |
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| 149 | // ConvertSpecialStrings arrays
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| 150 | SearchChars: array[0..7] of String = (' Ii ',' Iii ',' Iv ',' Vi ',' Vii ',' Viii ',' Ix ','-Va');
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| 151 | ReplaceChars: array[0..7] of String = (' II ',' III ',' IV ',' VI ',' VII ',' VIII ',' IX ','-VA');
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| 152 |
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| 153 | { table for calculating CRC values (DWORD is Integer in Delphi 3, Cardinal in Delphi 4}
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| 154 | CRC32_TABLE: array[0..255] of DWORD =
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| 155 | ($0, $77073096, $EE0E612C, $990951BA, $76DC419, $706AF48F, $E963A535, $9E6495A3,
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| 156 | $EDB8832, $79DCB8A4, $E0D5E91E, $97D2D988, $9B64C2B, $7EB17CBD, $E7B82D07, $90BF1D91,
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| 157 | $1DB71064, $6AB020F2, $F3B97148, $84BE41DE, $1ADAD47D, $6DDDE4EB, $F4D4B551, $83D385C7,
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| 158 | $136C9856, $646BA8C0, $FD62F97A, $8A65C9EC, $14015C4F, $63066CD9, $FA0F3D63, $8D080DF5,
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| 159 | $3B6E20C8, $4C69105E, $D56041E4, $A2677172, $3C03E4D1, $4B04D447, $D20D85FD, $A50AB56B,
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| 160 | $35B5A8FA, $42B2986C, $DBBBC9D6, $ACBCF940, $32D86CE3, $45DF5C75, $DCD60DCF, $ABD13D59,
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| 161 | $26D930AC, $51DE003A, $C8D75180, $BFD06116, $21B4F4B5, $56B3C423, $CFBA9599, $B8BDA50F,
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| 162 | $2802B89E, $5F058808, $C60CD9B2, $B10BE924, $2F6F7C87, $58684C11, $C1611DAB, $B6662D3D,
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| 163 | $76DC4190, $1DB7106, $98D220BC, $EFD5102A, $71B18589, $6B6B51F, $9FBFE4A5, $E8B8D433,
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| 164 | $7807C9A2, $F00F934, $9609A88E, $E10E9818, $7F6A0DBB, $86D3D2D, $91646C97, $E6635C01,
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| 165 | $6B6B51F4, $1C6C6162, $856530D8, $F262004E, $6C0695ED, $1B01A57B, $8208F4C1, $F50FC457,
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| 166 | $65B0D9C6, $12B7E950, $8BBEB8EA, $FCB9887C, $62DD1DDF, $15DA2D49, $8CD37CF3, $FBD44C65,
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| 167 | $4DB26158, $3AB551CE, $A3BC0074, $D4BB30E2, $4ADFA541, $3DD895D7, $A4D1C46D, $D3D6F4FB,
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| 168 | $4369E96A, $346ED9FC, $AD678846, $DA60B8D0, $44042D73, $33031DE5, $AA0A4C5F, $DD0D7CC9,
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| 169 | $5005713C, $270241AA, $BE0B1010, $C90C2086, $5768B525, $206F85B3, $B966D409, $CE61E49F,
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| 170 | $5EDEF90E, $29D9C998, $B0D09822, $C7D7A8B4, $59B33D17, $2EB40D81, $B7BD5C3B, $C0BA6CAD,
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| 171 | $EDB88320, $9ABFB3B6, $3B6E20C, $74B1D29A, $EAD54739, $9DD277AF, $4DB2615, $73DC1683,
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| 172 | $E3630B12, $94643B84, $D6D6A3E, $7A6A5AA8, $E40ECF0B, $9309FF9D, $A00AE27, $7D079EB1,
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| 173 | $F00F9344, $8708A3D2, $1E01F268, $6906C2FE, $F762575D, $806567CB, $196C3671, $6E6B06E7,
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| 174 | $FED41B76, $89D32BE0, $10DA7A5A, $67DD4ACC, $F9B9DF6F, $8EBEEFF9, $17B7BE43, $60B08ED5,
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| 175 | $D6D6A3E8, $A1D1937E, $38D8C2C4, $4FDFF252, $D1BB67F1, $A6BC5767, $3FB506DD, $48B2364B,
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| 176 | $D80D2BDA, $AF0A1B4C, $36034AF6, $41047A60, $DF60EFC3, $A867DF55, $316E8EEF, $4669BE79,
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| 177 | $CB61B38C, $BC66831A, $256FD2A0, $5268E236, $CC0C7795, $BB0B4703, $220216B9, $5505262F,
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| 178 | $C5BA3BBE, $B2BD0B28, $2BB45A92, $5CB36A04, $C2D7FFA7, $B5D0CF31, $2CD99E8B, $5BDEAE1D,
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| 179 | $9B64C2B0, $EC63F226, $756AA39C, $26D930A, $9C0906A9, $EB0E363F, $72076785, $5005713,
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| 180 | $95BF4A82, $E2B87A14, $7BB12BAE, $CB61B38, $92D28E9B, $E5D5BE0D, $7CDCEFB7, $BDBDF21,
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| 181 | $86D3D2D4, $F1D4E242, $68DDB3F8, $1FDA836E, $81BE16CD, $F6B9265B, $6FB077E1, $18B74777,
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| 182 | $88085AE6, $FF0F6A70, $66063BCA, $11010B5C, $8F659EFF, $F862AE69, $616BFFD3, $166CCF45,
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| 183 | $A00AE278, $D70DD2EE, $4E048354, $3903B3C2, $A7672661, $D06016F7, $4969474D, $3E6E77DB,
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| 184 | $AED16A4A, $D9D65ADC, $40DF0B66, $37D83BF0, $A9BCAE53, $DEBB9EC5, $47B2CF7F, $30B5FFE9,
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| 185 | $BDBDF21C, $CABAC28A, $53B39330, $24B4A3A6, $BAD03605, $CDD70693, $54DE5729, $23D967BF,
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| 186 | $B3667A2E, $C4614AB8, $5D681B02, $2A6F2B94, $B40BBE37, $C30C8EA1, $5A05DF1B, $2D02EF8D);
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| 187 |
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| 188 | {Properties assigned to BaseFont}
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| 189 | BaseFontSize = 8;
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| 190 | BaseFontName = 'MS Sans Serif';
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| 191 | var
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| 192 | FBaseFont: TFont;
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| 193 | type
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| 194 | EFMDateTimeError = class(Exception);
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| 195 |
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| 196 | {TFontControl is an artifact used for font resizing. Do not add virtual
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| 197 | methods or class variables to it!}
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| 198 | TFontControl = class(TControl)
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| 199 | public
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| 200 | property Font;
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| 201 | property ParentFont;
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| 202 | end;
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| 203 |
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| 204 | { Date/Time functions }
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| 205 |
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| 206 | function DateTimeToFMDateTime(ADateTime: TDateTime): TFMDateTime;
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| 207 | { converts a Delphi date/time type to a Fileman date/time (type double) }
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| 208 | var
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| 209 | y, m, d, h, n, s, l: Word;
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| 210 | DatePart,TimePart: Integer;
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| 211 | begin
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| 212 | DecodeDate(ADateTime, y, m, d);
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| 213 | DecodeTime(ADateTime, h, n, s, l);
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| 214 | DatePart := ((y-1700)*10000) + (m*100) + d;
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| 215 | TimePart := (h*10000) + (n*100) + s;
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| 216 | Result := DatePart + (TimePart / 1000000);
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| 217 | end;
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| 218 |
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| 219 | function FMDateTimeToDateTime(ADateTime: TFMDateTime): TDateTime;
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| 220 | { converts a Fileman date/time (type double) to a Delphi date/time }
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| 221 | var
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| 222 | ADate, ATime: TDateTime;
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| 223 | DatePart, TimePart: string;
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| 224 | begin
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| 225 | DatePart := Piece(FloatToStrF(ADateTime, ffFixed, 14, 6), '.', 1);
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| 226 | TimePart := Piece(FloatToStrF(ADateTime, ffFixed, 14, 6), '.', 2) + '000000';
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| 227 | if Length(DatePart) <> 7 then raise EFMDateTimeError.Create('Invalid Fileman Date');
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| 228 | if Copy(TimePart, 1, 2) = '24' then TimePart := '23595959';
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| 229 | ADate := EncodeDate(StrToInt(Copy(DatePart, 1, 3)) + 1700,
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| 230 | StrToInt(Copy(DatePart, 4, 2)),
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| 231 | StrToInt(Copy(DatePart, 6, 2)));
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| 232 | ATime := EncodeTime(StrToInt(Copy(TimePart, 1, 2)),
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| 233 | StrToInt(Copy(TimePart, 3, 2)),
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| 234 | StrToInt(Copy(TimePart, 5, 2)), 0);
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| 235 | Result := ADate + ATime;
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| 236 | end;
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| 237 |
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| 238 | function FMDateTimeOffsetBy(ADateTime: TFMDateTime; DaysDiff: Integer): TFMDateTime;
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| 239 | { adds / subtracts days from a Fileman date/time and returns the offset Fileman date/time }
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| 240 | var
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| 241 | Julian: TDateTime;
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| 242 | begin
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| 243 | Julian := FMDateTimeToDateTime(ADateTime);
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| 244 | Result := DateTimeToFMDateTime(Julian + DaysDiff);
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| 245 | end;
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| 246 |
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| 247 | function FormatFMDateTime(AFormat: string; ADateTime: TFMDateTime): string;
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| 248 | { formats a Fileman Date/Time using (mostly) the same format string as Delphi FormatDateTime }
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| 249 | var
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| 250 | x: string;
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| 251 | y, m, d, h, n, s: Integer;
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| 252 |
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| 253 | function TrimFormatCount: Integer;
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| 254 | { delete repeating characters and count how many were deleted }
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| 255 | var
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| 256 | c: Char;
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| 257 | begin
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| 258 | Result := 0;
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| 259 | c := AFormat[1];
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| 260 | repeat
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| 261 | Delete(AFormat, 1, 1);
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| 262 | Inc(Result);
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| 263 | until CharAt(AFormat, 1) <> c;
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| 264 | end;
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| 265 |
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| 266 | begin {FormatFMDateTime}
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| 267 | Result := '';
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| 268 | if not (ADateTime > 0) then Exit;
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| 269 | x := FloatToStrF(ADateTime, ffFixed, 15, 6) + '0000000';
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| 270 | y := StrToIntDef(Copy(x, 1, 3), 0) + 1700;
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| 271 | m := StrToIntDef(Copy(x, 4, 2), 0);
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| 272 | d := StrToIntDef(Copy(x, 6, 2), 0);
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| 273 | h := StrToIntDef(Copy(x, 9, 2), 0);
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| 274 | n := StrToIntDef(Copy(x, 11, 2), 0);
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| 275 | s := StrToIntDef(Copy(x, 13, 2), 0);
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| 276 | while Length(AFormat) > 0 do
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| 277 | case UpCase(AFormat[1]) of
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| 278 | '"': begin // literal
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| 279 | Delete(AFormat, 1, 1);
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| 280 | while not (CharAt(AFormat, 1) in [#0, '"']) do
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| 281 | begin
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| 282 | Result := Result + AFormat[1];
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| 283 | Delete(AFormat, 1, 1);
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| 284 | end;
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| 285 | if CharAt(AFormat, 1) = '"' then Delete(AFormat, 1, 1);
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| 286 | end;
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| 287 | 'D': case TrimFormatCount of // day/date
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| 288 | 1: if d > 0 then Result := Result + IntToStr(d);
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| 289 | 2: if d > 0 then Result := Result + FormatFloat('00', d);
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| 290 | end;
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| 291 | 'H': case TrimFormatCount of // hour
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| 292 | 1: Result := Result + IntToStr(h);
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| 293 | 2: Result := Result + FormatFloat('00', h);
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| 294 | end;
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| 295 | 'M': case TrimFormatCount of // month
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| 296 | 1: if m > 0 then Result := Result + IntToStr(m);
|
---|
| 297 | 2: if m > 0 then Result := Result + FormatFloat('00', m);
|
---|
| 298 | 3: if m in [1..12] then Result := Result + MONTH_NAMES_SHORT[m];
|
---|
| 299 | 4: if m in [1..12] then Result := Result + MONTH_NAMES_LONG[m];
|
---|
| 300 | end;
|
---|
| 301 | 'N': case TrimFormatCount of // minute
|
---|
| 302 | 1: Result := Result + IntToStr(n);
|
---|
| 303 | 2: Result := Result + FormatFloat('00', n);
|
---|
| 304 | end;
|
---|
| 305 | 'S': case TrimFormatCount of // second
|
---|
| 306 | 1: Result := Result + IntToStr(s);
|
---|
| 307 | 2: Result := Result + FormatFloat('00', s);
|
---|
| 308 | end;
|
---|
| 309 | 'Y': case TrimFormatCount of // year
|
---|
| 310 | 2: if y > 0 then Result := Result + Copy(IntToStr(y), 3, 2);
|
---|
| 311 | 4: if y > 0 then Result := Result + IntToStr(y);
|
---|
| 312 | end;
|
---|
| 313 | else begin // other
|
---|
| 314 | Result := Result + AFormat[1];
|
---|
| 315 | Delete(AFormat, 1, 1);
|
---|
| 316 | end;
|
---|
| 317 | end; {case}
|
---|
| 318 | end; {FormatFMDateTime}
|
---|
| 319 |
|
---|
| 320 | function FormatFMDateTimeStr(const AFormat, ADateTime: string): string;
|
---|
| 321 | var
|
---|
| 322 | FMDateTime: TFMDateTime;
|
---|
| 323 | begin
|
---|
| 324 | Result := ADateTime;
|
---|
| 325 | if IsFMDateTime(ADateTime) then
|
---|
| 326 | begin
|
---|
| 327 | FMDateTime := MakeFMDateTime(ADateTime);
|
---|
| 328 | Result := FormatFMDateTime(AFormat, FMDateTime);
|
---|
| 329 | end;
|
---|
| 330 | end;
|
---|
| 331 |
|
---|
| 332 | function IsFMDateTime(x: string): Boolean;
|
---|
| 333 | var
|
---|
| 334 | i: Integer;
|
---|
| 335 | begin
|
---|
| 336 | Result := False;
|
---|
| 337 | if Length(x) < 7 then Exit;
|
---|
| 338 | for i := 1 to 7 do if not (x[i] in ['0'..'9']) then Exit;
|
---|
| 339 | if (Length(x) > 7) and (x[8] <> '.') then Exit;
|
---|
| 340 | if (Length(x) > 8) and not (x[9] in ['0'..'9']) then Exit;
|
---|
| 341 | Result := True;
|
---|
| 342 | end;
|
---|
| 343 |
|
---|
| 344 | function MakeFMDateTime(const AString: string): TFMDateTime;
|
---|
| 345 | begin
|
---|
| 346 | Result := -1;
|
---|
| 347 | if (Length(AString) > 0) and IsFMDateTime(AString) then Result := StrToFloat(AString);
|
---|
| 348 | end;
|
---|
| 349 |
|
---|
| 350 | procedure SetListFMDateTime(AFormat: string; AList: TStringList; ADelim: Char;
|
---|
| 351 | PieceNum: Integer; KeepBad: boolean = FALSE);
|
---|
| 352 | var
|
---|
| 353 | i: Integer;
|
---|
| 354 | s, x, x1: string;
|
---|
| 355 |
|
---|
| 356 | begin
|
---|
| 357 | for i := 0 to AList.Count - 1 do
|
---|
| 358 | begin
|
---|
| 359 | s := AList[i];
|
---|
| 360 | x := Piece(s, ADelim, PieceNum);
|
---|
| 361 | if Length(x) > 0 then
|
---|
| 362 | begin
|
---|
| 363 | x1 := FormatFMDateTime(AFormat, MakeFMDateTime(x));
|
---|
| 364 | if(x1 <> '') or (not KeepBad) then
|
---|
| 365 | x := x1;
|
---|
| 366 | end;
|
---|
| 367 | SetPiece(s, ADelim, PieceNum, x);
|
---|
| 368 | AList[i] := s;
|
---|
| 369 | end;
|
---|
| 370 | end;
|
---|
| 371 |
|
---|
| 372 | { Numeric functions }
|
---|
| 373 |
|
---|
| 374 | function HigherOf(i, j: Integer): Integer;
|
---|
| 375 | { returns the greater of two integers }
|
---|
| 376 | begin
|
---|
| 377 | Result := i;
|
---|
| 378 | if j > i then Result := j;
|
---|
| 379 | end;
|
---|
| 380 |
|
---|
| 381 | function LowerOf(i, j: Integer): Integer;
|
---|
| 382 | { returns the lesser of two integers }
|
---|
| 383 | begin
|
---|
| 384 | Result := i;
|
---|
| 385 | if j < i then Result := j;
|
---|
| 386 | end;
|
---|
| 387 |
|
---|
| 388 | function StrToFloatDef(const S: string; ADefault: Extended): Extended;
|
---|
| 389 | begin
|
---|
| 390 | if not TextToFloat(PChar(S), Result, fvExtended) then
|
---|
| 391 | Result := ADefault;
|
---|
| 392 | end;
|
---|
| 393 |
|
---|
[1693] | 394 | function RectContains(Rect: TRect; Point: TPoint): boolean;
|
---|
| 395 | begin
|
---|
| 396 | Result := ((Point.X >= Rect.Left) and
|
---|
| 397 | (Point.X <= Rect.Right) and
|
---|
| 398 | (Point.Y >= Rect.Top) and
|
---|
| 399 | (Point.Y <= Rect.Bottom));
|
---|
| 400 | end;
|
---|
| 401 |
|
---|
[456] | 402 | { String functions }
|
---|
| 403 |
|
---|
| 404 | function CharAt(const x: string; APos: Integer): Char;
|
---|
| 405 | { returns a character at a given position in a string or the null character if past the end }
|
---|
| 406 | begin
|
---|
| 407 | if Length(x) < APos then Result := #0 else Result := x[APos];
|
---|
| 408 | end;
|
---|
| 409 |
|
---|
| 410 | function ContainsAlpha(const x: string): Boolean;
|
---|
| 411 | { returns true if the string contains any alpha characters }
|
---|
| 412 | var
|
---|
| 413 | i: Integer;
|
---|
| 414 | begin
|
---|
| 415 | Result := False;
|
---|
| 416 | for i := 1 to Length(x) do if x[i] in ['A'..'Z','a'..'z'] then
|
---|
| 417 | begin
|
---|
| 418 | Result := True;
|
---|
| 419 | break;
|
---|
| 420 | end;
|
---|
| 421 | end;
|
---|
| 422 |
|
---|
| 423 | function ContainsVisibleChar(const x: string): Boolean;
|
---|
| 424 | { returns true if the string contains any printable characters }
|
---|
| 425 | var
|
---|
| 426 | i: Integer;
|
---|
| 427 | begin
|
---|
| 428 | Result := False;
|
---|
| 429 | for i := 1 to Length(x) do if x[i] in ['!'..'~'] then // ordinal values 33..126
|
---|
| 430 | begin
|
---|
| 431 | Result := True;
|
---|
| 432 | break;
|
---|
| 433 | end;
|
---|
[1693] | 434 | end;
|
---|
| 435 |
|
---|
| 436 | function ContainsUpCarretChar(const x: string): Boolean;
|
---|
| 437 | { returns true if the string contains the ^ character }
|
---|
| 438 | var
|
---|
| 439 | i: Integer;
|
---|
| 440 | begin
|
---|
| 441 | Result := False;
|
---|
| 442 | for i := 1 to Length(x) do if x[i] = '^' then // ordinal values 33..126
|
---|
| 443 | begin
|
---|
| 444 | Result := True;
|
---|
| 445 | break;
|
---|
| 446 | end;
|
---|
[456] | 447 | end;
|
---|
| 448 |
|
---|
| 449 | function ConvertSpecialStrings(const x: string): string;
|
---|
| 450 | var i : Integer;
|
---|
| 451 | begin
|
---|
| 452 | for i := 0 to Length(SearchChars)-1 do
|
---|
| 453 | begin
|
---|
| 454 | Result := StringReplace(Result,SearchChars[i], ReplaceChars[i],[rfReplaceAll]);
|
---|
| 455 | end;
|
---|
| 456 | end;
|
---|
| 457 |
|
---|
| 458 | function UpdateCrc32(Value: DWORD; var Buffer: array of Byte; Count: Integer): DWORD;
|
---|
| 459 | var
|
---|
| 460 | i: integer;
|
---|
| 461 | begin
|
---|
| 462 | Result:=Value;
|
---|
| 463 | for i := 0 to Pred(Count) do
|
---|
| 464 | Result := ((Result shr 8) and $00FFFFFF) xor
|
---|
| 465 | CRC32_TABLE[(Result xor Buffer[i]) and $000000FF];
|
---|
| 466 | end;
|
---|
| 467 |
|
---|
| 468 | function CRCForFile(AFileName: string): DWORD;
|
---|
| 469 | const
|
---|
| 470 | BUF_SIZE = 16383;
|
---|
| 471 | type
|
---|
| 472 | TBuffer = array[0..BUF_SIZE] of Byte;
|
---|
| 473 | var
|
---|
| 474 | Buffer: Pointer;
|
---|
| 475 | AHandle, BytesRead: Integer;
|
---|
| 476 | begin
|
---|
| 477 | Result:=$FFFFFFFF;
|
---|
| 478 | GetMem(Buffer, BUF_SIZE);
|
---|
| 479 | AHandle := FileOpen(AFileName, fmShareDenyWrite);
|
---|
| 480 | repeat
|
---|
| 481 | BytesRead := FileRead(AHandle, Buffer^, BUF_SIZE);
|
---|
| 482 | Result := UpdateCrc32(Result, TBuffer(Buffer^), BytesRead);
|
---|
| 483 | until BytesRead <> BUF_SIZE;
|
---|
| 484 | FileClose(AHandle);
|
---|
| 485 | FreeMem(Buffer);
|
---|
| 486 | Result := not Result;
|
---|
| 487 | end;
|
---|
| 488 |
|
---|
| 489 | function CRCForStrings(AStringList: TStrings): DWORD;
|
---|
| 490 | { returns a cyclic redundancy check for a list of strings }
|
---|
| 491 | var
|
---|
| 492 | i, j: Integer;
|
---|
| 493 | begin
|
---|
| 494 | Result:=$FFFFFFFF;
|
---|
| 495 | for i := 0 to AStringList.Count - 1 do
|
---|
| 496 | for j := 1 to Length(AStringList[i]) do
|
---|
| 497 | Result:=((Result shr 8) and $00FFFFFF) xor
|
---|
| 498 | CRC32_TABLE[(Result xor Ord(AStringList[i][j])) and $000000FF];
|
---|
| 499 | end;
|
---|
| 500 |
|
---|
| 501 | function FilteredString(const x: string; ATabWidth: Integer = 8): string;
|
---|
| 502 | var
|
---|
| 503 | i, j: Integer;
|
---|
| 504 | begin
|
---|
| 505 | Result := '';
|
---|
| 506 | for i := 1 to Length(x) do
|
---|
| 507 | case x[i] of
|
---|
| 508 | #9: for j := 1 to (ATabWidth - (Length(Result) mod ATabWidth)) do
|
---|
| 509 | Result := Result + ' ';
|
---|
| 510 | #32..#127: Result := Result + x[i];
|
---|
| 511 | #128..#159: Result := Result + '?';
|
---|
| 512 | #10,#13,#160: Result := Result + ' ';
|
---|
| 513 | #161..#255: Result := Result + x[i];
|
---|
| 514 | end;
|
---|
| 515 | if Copy(Result, Length(Result), 1) = ' ' then Result := TrimRight(Result) + ' ';
|
---|
| 516 | end;
|
---|
| 517 |
|
---|
| 518 | procedure ExpandTabsFilter(AList: TStrings; ATabWidth: Integer);
|
---|
| 519 | var
|
---|
| 520 | i, j, k: Integer;
|
---|
| 521 | x, y: string;
|
---|
| 522 | begin
|
---|
| 523 | with AList do for i := 0 to Count - 1 do
|
---|
| 524 | begin
|
---|
| 525 | x := Strings[i];
|
---|
| 526 | y := '';
|
---|
| 527 | for j := 1 to Length(x) do
|
---|
| 528 | case x[j] of
|
---|
| 529 | #9: for k := 1 to (ATabWidth - (Length(y) mod ATabWidth)) do y := y + ' ';
|
---|
| 530 | #32..#127: y := y + x[j];
|
---|
| 531 | #128..#159: y := y + '?';
|
---|
| 532 | #160: y := y + ' ';
|
---|
| 533 | #161..#255: y := y + x[j];
|
---|
| 534 | end;
|
---|
| 535 | if Copy(y, Length(y), 1) = ' ' then y := TrimRight(y) + ' ';
|
---|
| 536 | Strings[i] := y;
|
---|
| 537 | //Strings[i] := TrimRight(y) + ' ';
|
---|
| 538 | end;
|
---|
| 539 | end;
|
---|
| 540 |
|
---|
| 541 | function ExtractInteger(x: string): Integer;
|
---|
| 542 | { strips leading & trailing alphas to return an integer }
|
---|
| 543 | var
|
---|
| 544 | i: Integer;
|
---|
| 545 | begin
|
---|
| 546 | while (Length(x) > 0) and not (x[1] in ['0'..'9']) do Delete(x, 1, 1);
|
---|
| 547 | for i := 1 to Length(x) do if not (x[i] in ['0'..'9']) then break;
|
---|
| 548 | Result := StrToIntDef(Copy(x, 1, i - 1), 0);
|
---|
| 549 | end;
|
---|
| 550 |
|
---|
| 551 | function ExtractFloat(x: string): Extended;
|
---|
| 552 | { strips leading & trailing alphas to return a float }
|
---|
| 553 | var
|
---|
| 554 | i: Integer;
|
---|
| 555 | begin
|
---|
| 556 | while (Length(x) > 0) and not (x[1] in ['0'..'9', '.']) do Delete(x, 1, 1);
|
---|
| 557 | for i := 1 to Length(x) do if not (x[i] in ['0'..'9','.']) then break;
|
---|
| 558 | Result := StrToFloatDef(Copy(x, 1, i - 1), 0);
|
---|
| 559 | end;
|
---|
| 560 |
|
---|
| 561 | function ExtractDefault(Src: TStrings; const Section: string): string;
|
---|
| 562 | var
|
---|
| 563 | i: Integer;
|
---|
| 564 | begin
|
---|
| 565 | Result := '';
|
---|
| 566 | i := -1;
|
---|
| 567 | repeat Inc(i) until (i = Src.Count) or (Src[i] = '~' + Section);
|
---|
| 568 | Inc(i);
|
---|
| 569 | if (i < Src.Count) and (Src[i][1] <> '~') then repeat
|
---|
| 570 | if Src[i][1] = 'd' then Result := Copy(Src[i], 2, MaxInt);
|
---|
| 571 | Inc(i);
|
---|
| 572 | until (i = Src.Count) or (Src[i][1] = '~') or (Length(Result) > 0);
|
---|
| 573 | end;
|
---|
| 574 |
|
---|
| 575 | procedure ExtractItems(Dest, Src: TStrings; const Section: string);
|
---|
| 576 | var
|
---|
| 577 | i: Integer;
|
---|
| 578 | begin
|
---|
| 579 | i := -1;
|
---|
| 580 | repeat Inc(i) until (i = Src.Count) or (Src[i] = '~' + Section);
|
---|
| 581 | Inc(i);
|
---|
| 582 | if (i < Src.Count) and (Src[i][1] <> '~') then repeat
|
---|
| 583 | if Src[i][1] = 'i' then Dest.Add(Copy(Src[i], 2, MaxInt));
|
---|
| 584 | Inc(i);
|
---|
| 585 | until (i = Src.Count) or (Src[i][1] = '~');
|
---|
| 586 | end;
|
---|
| 587 |
|
---|
| 588 | procedure ExtractText(Dest, Src: TStrings; const Section: string);
|
---|
| 589 | var
|
---|
| 590 | i: Integer;
|
---|
| 591 | begin
|
---|
| 592 | i := -1;
|
---|
| 593 | repeat Inc(i) until (i = Src.Count) or (Src[i] = '~' + Section);
|
---|
| 594 | Inc(i);
|
---|
| 595 | if (i < Src.Count) and (Src[i][1] <> '~') then repeat
|
---|
| 596 | if Src[i][1] = 't' then Dest.Add(Copy(Src[i], 2, MaxInt));
|
---|
| 597 | Inc(i);
|
---|
| 598 | until (i = Src.Count) or (Src[i][1] = '~');
|
---|
| 599 | end;
|
---|
| 600 |
|
---|
| 601 | procedure InvertStringList(AList: TStringList);
|
---|
| 602 | var
|
---|
| 603 | i: Integer;
|
---|
| 604 | begin
|
---|
| 605 | with AList do for i := 0 to ((Count div 2) - 1) do Exchange(i, Count - i - 1);
|
---|
| 606 | end;
|
---|
| 607 |
|
---|
| 608 | function MixedCase(const x: string): string;
|
---|
| 609 | var
|
---|
| 610 | i: integer;
|
---|
| 611 | begin
|
---|
| 612 | Result := x;
|
---|
| 613 | for i := 2 to Length(x) do
|
---|
| 614 | if (not (x[i-1] in [' ',',','-','.','/','^'])) and (x[i] in ['A'..'Z'])
|
---|
| 615 | // save line if (not (x[i-1] in [' ','''',',','-','.','/','^'])) and (x[i] in ['A'..'Z'])
|
---|
| 616 | then Result[i] := Chr(Ord(x[i]) + 32)
|
---|
| 617 | else if ((x[i-1] in [' ',',','-','.','/','^'])) and (x[i] in ['a'..'z'])
|
---|
| 618 | then Result[i] := Chr(Ord(x[i]) - 32);
|
---|
| 619 | //Call added to satisfy the need for special string handling(Roman Numerals II-XI) GRE-06/02
|
---|
| 620 | Result := ConvertSpecialStrings(x);
|
---|
| 621 | end;
|
---|
| 622 |
|
---|
| 623 | procedure MixedCaseList(AList: TStrings);
|
---|
| 624 | var
|
---|
| 625 | i: integer;
|
---|
| 626 | begin
|
---|
| 627 | for i := 0 to (AList.Count - 1) do AList[i] := MixedCase(AList[i]);
|
---|
| 628 | end;
|
---|
| 629 |
|
---|
| 630 | procedure MixedCaseByPiece(AList: TStrings; ADelim: Char; PieceNum: Integer);
|
---|
| 631 | var
|
---|
| 632 | i: Integer;
|
---|
| 633 | x, p: string;
|
---|
| 634 | begin
|
---|
| 635 | for i := 0 to (AList.Count - 1) do
|
---|
| 636 | begin
|
---|
| 637 | x := AList[i];
|
---|
| 638 | p := MixedCase(Piece(x, ADelim, PieceNum));
|
---|
| 639 | SetPiece(x, ADelim, PieceNum, p);
|
---|
| 640 | AList[i] := x;
|
---|
| 641 | end;
|
---|
| 642 | end;
|
---|
| 643 |
|
---|
| 644 | function Piece(const S: string; Delim: char; PieceNum: Integer): string;
|
---|
| 645 | { returns the Nth piece (PieceNum) of a string delimited by Delim }
|
---|
| 646 | begin
|
---|
[829] | 647 | Result := VAUtils.Piece(S, Delim, PieceNum);
|
---|
[456] | 648 | end;
|
---|
| 649 |
|
---|
| 650 | function Pieces(const S: string; Delim: char; FirstNum, LastNum: Integer): string;
|
---|
| 651 | begin
|
---|
[829] | 652 | Result := VAUtils.Pieces(S, Delim, FirstNum, LastNum);
|
---|
[456] | 653 | end;
|
---|
| 654 |
|
---|
| 655 | function ComparePieces(P1, P2: string; Pieces: array of integer; Delim:
|
---|
| 656 | char = '^'; CaseInsensitive: boolean = FALSE): integer;
|
---|
| 657 | var
|
---|
| 658 | i: integer;
|
---|
| 659 |
|
---|
| 660 | begin
|
---|
| 661 | i := 0;
|
---|
| 662 | Result := 0;
|
---|
| 663 | while i <= high(Pieces) do
|
---|
| 664 | begin
|
---|
| 665 | if(CaseInsensitive) then
|
---|
| 666 | Result := CompareText(Piece(P1, Delim, Pieces[i]),
|
---|
| 667 | Piece(P2, Delim, Pieces[i]))
|
---|
| 668 | else
|
---|
| 669 | Result := CompareStr(Piece(P1, Delim, Pieces[i]),
|
---|
| 670 | Piece(P2, Delim, Pieces[i]));
|
---|
| 671 | if(Result = 0) then
|
---|
| 672 | inc(i)
|
---|
| 673 | else
|
---|
| 674 | break;
|
---|
| 675 | end;
|
---|
| 676 | end;
|
---|
| 677 |
|
---|
| 678 | procedure PiecesToList(x: string; ADelim: Char; AList: TStrings);
|
---|
| 679 | { adds each piece to a TStrings list, the list is cleared first }
|
---|
| 680 | var
|
---|
| 681 | APiece: string;
|
---|
| 682 | begin
|
---|
| 683 | AList.Clear;
|
---|
| 684 | while Length(x) > 0 do
|
---|
| 685 | begin
|
---|
| 686 | APiece := Piece(x, ADelim, 1);
|
---|
| 687 | AList.Add(APiece);
|
---|
| 688 | Delete(x, 1, Length(APiece) + 1);
|
---|
| 689 | end;
|
---|
| 690 | end;
|
---|
| 691 |
|
---|
| 692 | function ReverseStr(const x: string): string;
|
---|
| 693 | var
|
---|
| 694 | i, j: Integer;
|
---|
| 695 | begin
|
---|
| 696 | SetString(Result, PChar(x), Length(x));
|
---|
| 697 | i := 0;
|
---|
| 698 | for j := Length(x) downto 1 do
|
---|
| 699 | begin
|
---|
| 700 | Inc(i);
|
---|
| 701 | Result[i] := x[j];
|
---|
| 702 | end;
|
---|
| 703 | end;
|
---|
| 704 |
|
---|
| 705 | procedure SetPiece(var x: string; Delim: Char; PieceNum: Integer; const NewPiece: string);
|
---|
| 706 | { sets the Nth piece (PieceNum) of a string to NewPiece, adding delimiters as necessary }
|
---|
| 707 | var
|
---|
| 708 | i: Integer;
|
---|
| 709 | Strt, Next: PChar;
|
---|
| 710 | begin
|
---|
| 711 | i := 1;
|
---|
| 712 | Strt := PChar(x);
|
---|
| 713 | Next := StrScan(Strt, Delim);
|
---|
| 714 | while (i < PieceNum) and (Next <> nil) do
|
---|
| 715 | begin
|
---|
| 716 | Inc(i);
|
---|
| 717 | Strt := Next + 1;
|
---|
| 718 | Next := StrScan(Strt, Delim);
|
---|
| 719 | end;
|
---|
| 720 | if Next = nil then Next := StrEnd(Strt);
|
---|
| 721 | if i < PieceNum
|
---|
| 722 | then x := x + StringOfChar(Delim, PieceNum - i) + NewPiece
|
---|
| 723 | else x := Copy(x, 1, Strt - PChar(x)) + NewPiece + StrPas(Next);
|
---|
| 724 | end;
|
---|
| 725 |
|
---|
| 726 | procedure SetPieces(var x: string; Delim: Char; Pieces: Array of Integer;
|
---|
| 727 | FromString: string);
|
---|
| 728 | var
|
---|
| 729 | i: integer;
|
---|
| 730 |
|
---|
| 731 | begin
|
---|
| 732 | for i := low(Pieces) to high(Pieces) do
|
---|
| 733 | SetPiece(x, Delim, Pieces[i], Piece(FromString, Delim, Pieces[i]));
|
---|
| 734 | end;
|
---|
| 735 |
|
---|
| 736 | procedure SortByPiece(AList: TStringList; ADelim: Char; PieceNum: Integer);
|
---|
| 737 | var
|
---|
| 738 | i: integer;
|
---|
| 739 | begin
|
---|
| 740 | for i := 0 to AList.Count - 1 do
|
---|
| 741 | AList[i] := Piece(AList[i], ADelim, PieceNum) + ADelim + AList[i];
|
---|
| 742 | AList.Sort;
|
---|
| 743 | for i := 0 to AList.Count - 1 do
|
---|
| 744 | AList[i] := Copy(AList[i], Pos(ADelim, AList[i]) + 1, MaxInt);
|
---|
| 745 | end;
|
---|
| 746 |
|
---|
| 747 | function DelimCount(const Str, Delim: string): integer;
|
---|
| 748 | var
|
---|
| 749 | i, dlen, slen: integer;
|
---|
| 750 |
|
---|
| 751 | begin
|
---|
| 752 | Result := 0;
|
---|
| 753 | i := 1;
|
---|
| 754 | dlen := length(Delim);
|
---|
| 755 | slen := length(Str) - dlen + 1;
|
---|
| 756 | while(i <= slen) do
|
---|
| 757 | begin
|
---|
| 758 | if(copy(Str,i,dlen) = Delim) then
|
---|
| 759 | begin
|
---|
| 760 | inc(Result);
|
---|
| 761 | inc(i,dlen);
|
---|
| 762 | end
|
---|
| 763 | else
|
---|
| 764 | inc(i);
|
---|
| 765 | end;
|
---|
| 766 | end;
|
---|
| 767 |
|
---|
| 768 | type
|
---|
| 769 | TREStrings = class(TStrings)
|
---|
| 770 | protected
|
---|
| 771 | FPlainText: Boolean;
|
---|
| 772 | public
|
---|
| 773 | property PlainText: Boolean read FPlainText write FPlainText;
|
---|
| 774 | end;
|
---|
| 775 |
|
---|
| 776 | type
|
---|
| 777 | QuickCopyError = class(Exception);
|
---|
| 778 |
|
---|
| 779 | procedure QuickCopy(AFrom, ATo: TObject);
|
---|
| 780 | var
|
---|
| 781 | ms: TMemoryStream;
|
---|
| 782 | idx: integer;
|
---|
| 783 | str: array[0..1] of TStrings;
|
---|
| 784 | fix: array[0..1] of boolean;
|
---|
| 785 |
|
---|
| 786 | procedure GetStrings(obj: TObject);
|
---|
| 787 | begin
|
---|
| 788 | if (CompareText(obj.ClassName, 'TRichEditStrings') = 0) then
|
---|
| 789 | raise QuickCopyError.Create('You must pass the TRichEdit object into QuickCopy, NOT it''s Lines property.');
|
---|
| 790 | if obj is TStrings then
|
---|
| 791 | str[idx] := TStrings(obj)
|
---|
| 792 | else
|
---|
| 793 | if obj is TMemo then
|
---|
| 794 | str[idx] := TMemo(obj).Lines
|
---|
| 795 | else
|
---|
| 796 | if obj is TORListBox then
|
---|
| 797 | str[idx] := TORListBox(obj).Items
|
---|
| 798 | else
|
---|
| 799 | if obj is TListBox then
|
---|
| 800 | str[idx] := TListBox(obj).Items
|
---|
| 801 | else
|
---|
[829] | 802 | if obj is TORComboBox then
|
---|
| 803 | str[idx] := TORComboBox(obj).Items
|
---|
| 804 | else
|
---|
| 805 | if obj is TComboBox then
|
---|
| 806 | str[idx] := TComboBox(obj).Items
|
---|
| 807 | else
|
---|
[456] | 808 | if obj is TRichEdit then
|
---|
| 809 | begin
|
---|
| 810 | with TRichEdit(obj) do
|
---|
| 811 | begin
|
---|
| 812 | str[idx] := Lines;
|
---|
| 813 | if not PlainText then
|
---|
| 814 | begin
|
---|
| 815 | fix[idx] := TRUE;
|
---|
| 816 | PlainText := TRUE;
|
---|
| 817 | end;
|
---|
| 818 | end;
|
---|
| 819 | end
|
---|
| 820 | else
|
---|
| 821 | raise QuickCopyError.Create('Unsupported object type (' + obj.ClassName +
|
---|
| 822 | ') passed into QuickCopy.');
|
---|
| 823 | inc(idx);
|
---|
| 824 | end;
|
---|
| 825 |
|
---|
| 826 |
|
---|
| 827 | begin
|
---|
| 828 | fix[0] := FALSE;
|
---|
| 829 | fix[1] := FALSE;
|
---|
| 830 | idx := 0;
|
---|
| 831 | GetStrings(AFrom);
|
---|
| 832 | GetStrings(ATo);
|
---|
| 833 | ms := TMemoryStream.Create;
|
---|
| 834 | try
|
---|
| 835 | str[0].SaveToStream(ms);
|
---|
| 836 | ms.Seek(0, soFromBeginning);
|
---|
| 837 | str[1].LoadFromStream(ms);
|
---|
| 838 | finally
|
---|
| 839 | ms.Free;
|
---|
| 840 | end;
|
---|
| 841 | if fix[0] then TRichEdit(AFrom).PlainText := FALSE;
|
---|
| 842 | if fix[1] then TRichEdit(ATo).PlainText := FALSE;
|
---|
[829] | 843 | if ATo is TRichEdit then
|
---|
| 844 | TRichEdit(ATo).SelStart := Length(TRichEdit(ATo).Lines.Text); //CQ: 16461
|
---|
[456] | 845 | end;
|
---|
| 846 |
|
---|
[829] | 847 | type
|
---|
| 848 | QuickAddError = class(Exception);
|
---|
| 849 |
|
---|
| 850 | procedure QuickAdd(AFrom, ATo: TObject);
|
---|
| 851 | var
|
---|
| 852 | ms: TMemoryStream;
|
---|
| 853 | idx: integer;
|
---|
| 854 | str: array[0..1] of TStrings;
|
---|
| 855 | fix: array[0..1] of boolean;
|
---|
| 856 |
|
---|
| 857 | procedure GetStrings(obj: TObject);
|
---|
| 858 | begin
|
---|
| 859 | if (CompareText(obj.ClassName, 'TRichEditStrings') = 0) then
|
---|
| 860 | raise QuickCopyError.Create('You must pass the TRichEdit object into QuickAdd, NOT it''s Lines property.');
|
---|
| 861 | if obj is TStrings then
|
---|
| 862 | str[idx] := TStrings(obj)
|
---|
| 863 | else
|
---|
| 864 | if obj is TMemo then
|
---|
| 865 | str[idx] := TMemo(obj).Lines
|
---|
| 866 | else
|
---|
| 867 | if obj is TORListBox then
|
---|
| 868 | str[idx] := TORListBox(obj).Items
|
---|
| 869 | else
|
---|
| 870 | if obj is TListBox then
|
---|
| 871 | str[idx] := TListBox(obj).Items
|
---|
| 872 | else
|
---|
| 873 | if obj is TORComboBox then
|
---|
| 874 | str[idx] := TORComboBox(obj).Items
|
---|
| 875 | else
|
---|
| 876 | if obj is TComboBox then
|
---|
| 877 | str[idx] := TComboBox(obj).Items
|
---|
| 878 | else
|
---|
| 879 | if obj is TRichEdit then
|
---|
| 880 | begin
|
---|
| 881 | with TRichEdit(obj) do
|
---|
| 882 | begin
|
---|
| 883 | str[idx] := Lines;
|
---|
| 884 | if not PlainText then
|
---|
| 885 | begin
|
---|
| 886 | fix[idx] := TRUE;
|
---|
| 887 | PlainText := TRUE;
|
---|
| 888 | end;
|
---|
| 889 | end;
|
---|
| 890 | end
|
---|
| 891 | else
|
---|
| 892 | raise QuickAddError.Create('Unsupported object type (' + obj.ClassName +
|
---|
| 893 | ') passed into QuickAdd.');
|
---|
| 894 | inc(idx);
|
---|
| 895 | end;
|
---|
| 896 |
|
---|
| 897 |
|
---|
| 898 | begin
|
---|
| 899 | fix[0] := FALSE;
|
---|
| 900 | fix[1] := FALSE;
|
---|
| 901 | idx := 0;
|
---|
| 902 | GetStrings(AFrom);
|
---|
| 903 | GetStrings(ATo);
|
---|
| 904 | ms := TMemoryStream.Create;
|
---|
| 905 | try
|
---|
| 906 | str[1].SaveToStream(ms);
|
---|
| 907 | ms.Seek(0, soFromEnd);
|
---|
| 908 | str[0].SaveToStream(ms);
|
---|
| 909 | ms.Seek(0, soFromBeginning);
|
---|
| 910 | str[1].Clear;
|
---|
| 911 | str[1].LoadFromStream(ms);
|
---|
| 912 | finally
|
---|
| 913 | ms.Free;
|
---|
| 914 | end;
|
---|
| 915 | if fix[0] then TRichEdit(AFrom).PlainText := FALSE;
|
---|
| 916 | if fix[1] then TRichEdit(ATo).PlainText := FALSE;
|
---|
| 917 | end;
|
---|
| 918 |
|
---|
| 919 | procedure FastAssign(source, destination: TStrings);
|
---|
| 920 | // do not use this with RichEdit Lines unless source is RichEdit with PlainText
|
---|
| 921 | var
|
---|
| 922 | ms: TMemoryStream;
|
---|
| 923 | begin
|
---|
| 924 | destination.Clear;
|
---|
| 925 | if (source is TStringList) and (destination is TStringList) then
|
---|
| 926 | destination.Assign(source)
|
---|
| 927 | else
|
---|
| 928 | if (CompareText(source.ClassName, 'TRichEditStrings') = 0) then
|
---|
| 929 | destination.Assign(source)
|
---|
| 930 | else
|
---|
| 931 | begin
|
---|
| 932 | ms := TMemoryStream.Create;
|
---|
| 933 | try
|
---|
| 934 | source.SaveToStream(ms);
|
---|
| 935 | ms.Seek(0, soFromBeginning);
|
---|
| 936 | destination.LoadFromStream(ms);
|
---|
| 937 | finally
|
---|
| 938 | ms.Free;
|
---|
| 939 | end;
|
---|
| 940 | end;
|
---|
| 941 | end;
|
---|
| 942 |
|
---|
| 943 | procedure FastAddStrings(source, destination: TStrings);
|
---|
| 944 | // do not use this with RichEdit Lines unless source and destination are RichEdit with PlainText
|
---|
| 945 | var
|
---|
| 946 | ms: TMemoryStream;
|
---|
| 947 | begin
|
---|
| 948 | if (source is TStringList) and (destination is TStringList) then
|
---|
| 949 | destination.AddStrings(source)
|
---|
| 950 | else
|
---|
| 951 | begin
|
---|
| 952 | ms := TMemoryStream.Create;
|
---|
| 953 | try
|
---|
| 954 | destination.SaveToStream(ms);
|
---|
| 955 | ms.Seek(0, soFromEnd);
|
---|
| 956 | source.SaveToStream(ms);
|
---|
| 957 | ms.Seek(0, soFromBeginning);
|
---|
| 958 | destination.Clear;
|
---|
| 959 | destination.LoadFromStream(ms);
|
---|
| 960 | finally
|
---|
| 961 | ms.Free;
|
---|
| 962 | end;
|
---|
| 963 | end;
|
---|
| 964 | end;
|
---|
| 965 |
|
---|
[456] | 966 | function ValidFileName(const InitialFileName: string): string;
|
---|
| 967 | var
|
---|
| 968 | i: integer;
|
---|
| 969 |
|
---|
| 970 | begin
|
---|
| 971 | Result := InitialFileName;
|
---|
| 972 | i := 1;
|
---|
| 973 | while i <= length(Result) do
|
---|
| 974 | begin
|
---|
| 975 | if Result[i] in ['a'..'z','A'..'Z','0'..'9',#32] then
|
---|
| 976 | inc(i)
|
---|
| 977 | else
|
---|
| 978 | delete(Result,i,1);
|
---|
| 979 | end;
|
---|
| 980 | end;
|
---|
| 981 |
|
---|
| 982 | procedure LimitStringLength(var AList: TStringList; MaxLength: Integer);
|
---|
| 983 | var
|
---|
| 984 | i, SpacePos: Integer;
|
---|
| 985 | x: string;
|
---|
| 986 | NewList: TStringList;
|
---|
| 987 | begin
|
---|
| 988 | NewList := TStringList.Create;
|
---|
| 989 | try
|
---|
| 990 | for i := 0 to AList.Count - 1 do
|
---|
| 991 | begin
|
---|
| 992 | if Length(AList[i]) > MaxLength then
|
---|
| 993 | begin
|
---|
| 994 | x := AList[i];
|
---|
| 995 | while Length(x) > MaxLength do
|
---|
| 996 | begin
|
---|
| 997 | SpacePos := MaxLength;
|
---|
| 998 | // while SpacePos > 0 do {**REV**} removed after v11b
|
---|
| 999 | // if (x[SpacePos] <> ' ') then Dec(SpacePos); {**REV**} removed after v11b
|
---|
| 1000 | while (x[SpacePos] <> ' ') and (SpacePos > 1) do Dec(SpacePos); {**REV**} {changed 0 to 1}
|
---|
| 1001 | if SpacePos = 1 then SpacePos := MaxLength; {**REV**} {changed 0 to 1}
|
---|
| 1002 | NewList.Add(Copy(x, 1, SpacePos )); // CQ PSI-05-040 change SpacePos-1 to SpacePos
|
---|
| 1003 | Delete(x, 1, SpacePos);
|
---|
| 1004 | end; {while Length(x)}
|
---|
| 1005 | if Length(x) > 0 then NewList.Add(x);
|
---|
| 1006 | end {then}
|
---|
| 1007 | else NewList.Add(AList[i]);
|
---|
| 1008 | end; {for i}
|
---|
| 1009 | AList.Clear;
|
---|
[829] | 1010 | FastAssign(NewList, AList);
|
---|
[456] | 1011 | finally
|
---|
| 1012 | NewList.Free;
|
---|
| 1013 | end;
|
---|
| 1014 | end;
|
---|
| 1015 |
|
---|
| 1016 | { Display functions }
|
---|
| 1017 |
|
---|
| 1018 | (*
|
---|
| 1019 | procedure ClearControl(AControl: TControl);
|
---|
| 1020 | { clears a control, removes text and listbox items }
|
---|
| 1021 | begin
|
---|
| 1022 | if AControl is TLabel then with TLabel(AControl) do Caption := ''
|
---|
| 1023 | else if AControl is TButton then with TButton(AControl) do Caption := ''
|
---|
| 1024 | else if AControl is TEdit then with TEdit(AControl) do Text := ''
|
---|
| 1025 | else if AControl is TMemo then with TMemo(AControl) do Clear
|
---|
| 1026 | else if AControl is TListBox then with TListBox(AControl) do Clear
|
---|
| 1027 | else if AControl is TORComboBox then with TORComboBox(AControl) do
|
---|
| 1028 | begin
|
---|
| 1029 | MItems.Clear;
|
---|
| 1030 | Text := '';
|
---|
| 1031 | end
|
---|
| 1032 | else if AControl is TComboBox then with TComboBox(AControl) do
|
---|
| 1033 | begin
|
---|
| 1034 | Clear;
|
---|
| 1035 | Text := '';
|
---|
| 1036 | end;
|
---|
| 1037 | end;
|
---|
| 1038 |
|
---|
| 1039 | procedure ResetControl(AControl: TControl);
|
---|
| 1040 | { clears text, deselects items, does not remove listbox or combobox items }
|
---|
| 1041 | begin
|
---|
| 1042 | if AControl is TLabel then with TLabel(AControl) do Caption := ''
|
---|
| 1043 | else if AControl is TButton then with TButton(AControl) do Caption := ''
|
---|
| 1044 | else if AControl is TEdit then with TEdit(AControl) do Text := ''
|
---|
| 1045 | else if AControl is TMemo then with TMemo(AControl) do Clear
|
---|
| 1046 | else if AControl is TListBox then with TListBox(AControl) do ItemIndex := -1
|
---|
| 1047 | else if AControl is TORComboBox then with TORComboBox(AControl) do
|
---|
| 1048 | begin
|
---|
| 1049 | Text := '';
|
---|
| 1050 | ItemIndex := -1;
|
---|
| 1051 | end
|
---|
| 1052 | else if AControl is TComboBox then with TComboBox(AControl) do
|
---|
| 1053 | begin
|
---|
| 1054 | Text := '';
|
---|
| 1055 | ItemIndex := -1;
|
---|
| 1056 | end;
|
---|
| 1057 | end;
|
---|
| 1058 | *)
|
---|
| 1059 |
|
---|
| 1060 | function InfoBox(const Text, Caption: string; Flags: Word): Integer;
|
---|
| 1061 | { wrap the messagebox object in case we want to modify it later }
|
---|
| 1062 | begin
|
---|
| 1063 | Result := Application.MessageBox(PChar(Text), PChar(Caption), Flags or MB_TOPMOST);
|
---|
| 1064 | end;
|
---|
| 1065 |
|
---|
| 1066 | procedure LimitEditWidth(AControl: TWinControl; NumChars: Integer);
|
---|
| 1067 | { limits the editing area to be no more than N characters (also sets small left margin) }
|
---|
| 1068 | const
|
---|
| 1069 | LEFT_MARGIN = 4;
|
---|
| 1070 | var
|
---|
| 1071 | ARect: TRect;
|
---|
| 1072 | AHandle: DWORD;
|
---|
| 1073 | AWidth, i: Integer;
|
---|
| 1074 | x: string;
|
---|
| 1075 | begin
|
---|
| 1076 | Inc(NumChars);
|
---|
| 1077 | SetString(x, nil, NumChars);
|
---|
| 1078 | for i := 1 to NumChars do x[i] := 'X';
|
---|
| 1079 | with AControl do
|
---|
| 1080 | begin
|
---|
| 1081 | AHandle := 0;
|
---|
| 1082 | if AControl is TEdit then AHandle := TEdit(AControl).Font.Handle;
|
---|
| 1083 | if AControl is TMemo then AHandle := TMemo(AControl).Font.Handle;
|
---|
| 1084 | if AControl is TRichEdit then AHandle := TRichEdit(AControl).Font.Handle;
|
---|
| 1085 | if AHandle = 0 then Exit;
|
---|
| 1086 | AWidth := TextWidthByFont(AHandle, x);
|
---|
| 1087 | ARect := Rect(LEFT_MARGIN, 0, AWidth + LEFT_MARGIN, ClientHeight);
|
---|
| 1088 | // set the editing rectangle to with with of NumChars
|
---|
| 1089 | SendMessage(Handle, EM_SETRECT, 0, Longint(@ARect));
|
---|
| 1090 | // turn on auto-scrolling for a rich edit
|
---|
| 1091 | if AControl is TRichEdit
|
---|
| 1092 | then SendMessage(Handle, EM_SETOPTIONS, ECOOP_OR, ECO_AUTOHSCROLL + ECO_AUTOVSCROLL);
|
---|
| 1093 | end;
|
---|
| 1094 | end;
|
---|
| 1095 |
|
---|
| 1096 | function BaseFont: TFont;
|
---|
| 1097 | begin
|
---|
| 1098 | result := FBaseFont;
|
---|
| 1099 | end;
|
---|
| 1100 |
|
---|
| 1101 | function MainFont: TFont;
|
---|
| 1102 | begin
|
---|
| 1103 | if Application.MainForm <> nil
|
---|
| 1104 | then Result := Application.MainForm.Font
|
---|
| 1105 | else Result := BaseFont;
|
---|
| 1106 | end;
|
---|
| 1107 |
|
---|
| 1108 | function MainFontSize: Integer;
|
---|
| 1109 | { return font size of the Main Form in the application }
|
---|
| 1110 | begin
|
---|
| 1111 | Result := MainFont.Size;
|
---|
| 1112 | end;
|
---|
| 1113 |
|
---|
| 1114 | function FontWidthSubPixel( Font: TFont): real;
|
---|
| 1115 | { return in pixels the average character width of the font passed in FontHandle }
|
---|
| 1116 | var
|
---|
| 1117 | TotalWidth: integer;
|
---|
| 1118 | begin
|
---|
| 1119 | TotalWidth := TextWidthByFont( Font.Handle,
|
---|
| 1120 | 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz');
|
---|
| 1121 | result := TotalWidth / 52;
|
---|
| 1122 | end;
|
---|
| 1123 |
|
---|
| 1124 | function FontWidthPixel( Font: TFont): integer;
|
---|
| 1125 | begin
|
---|
| 1126 | //Round() is too fancy to be correct here
|
---|
| 1127 | result := Trunc(FontWidthSubPixel(Font) + 0.5);
|
---|
| 1128 | end;
|
---|
| 1129 |
|
---|
| 1130 | function MainFontWidth: Integer;
|
---|
| 1131 | begin
|
---|
| 1132 | Result := FontWidthPixel(MainFont);
|
---|
| 1133 | end;
|
---|
| 1134 |
|
---|
| 1135 | function MainFontHeight: Integer;
|
---|
| 1136 | { return font size of the Main Form in the application.
|
---|
| 1137 | Note that TFont.Height is negative of what we want (see Delphi documentation)}
|
---|
| 1138 | begin
|
---|
| 1139 | Result := Abs(MainFont.Height);
|
---|
| 1140 | end;
|
---|
| 1141 |
|
---|
| 1142 | procedure RedrawSuspend(AHandle: HWnd);
|
---|
| 1143 | begin
|
---|
| 1144 | SendMessage(AHandle, WM_SETREDRAW, 0, 0);
|
---|
| 1145 | end;
|
---|
| 1146 |
|
---|
| 1147 | procedure RedrawActivate(AHandle: HWnd);
|
---|
| 1148 | begin
|
---|
| 1149 | SendMessage(AHandle, WM_SETREDRAW, 1, 0);
|
---|
| 1150 | InvalidateRect(AHandle, nil, True);
|
---|
| 1151 | end;
|
---|
| 1152 |
|
---|
| 1153 | procedure ResetSelectedForList(AListBox: TListBox);
|
---|
| 1154 | var
|
---|
| 1155 | i: Integer;
|
---|
| 1156 | begin
|
---|
| 1157 | with AListBox do for i := 0 to Items.Count - 1 do Selected[i] := False;
|
---|
| 1158 | end;
|
---|
| 1159 |
|
---|
| 1160 | function ResizeWidth( OldFont: TFont; NewFont: TFont; OldWidth: integer): integer;
|
---|
| 1161 | begin
|
---|
| 1162 | result := Trunc( OldWidth *FontWidthSubPixel(NewFont) / FontWidthSubPixel(OldFont)
|
---|
| 1163 | +0.5);
|
---|
| 1164 | end;
|
---|
| 1165 |
|
---|
| 1166 | function ResizeHeight( OldFont: TFont; NewFont: TFont; OldHeight: integer): integer;
|
---|
| 1167 | begin
|
---|
| 1168 | result := Trunc( OldHeight *Abs(NewFont.Height) / Abs(OldFont.Height)
|
---|
| 1169 | +0.5);
|
---|
| 1170 | end;
|
---|
| 1171 |
|
---|
| 1172 | procedure ResizeToFont(FontSize: Integer; var W, H: Integer);
|
---|
| 1173 | { resizes form relative to the font size, assumes form designed with
|
---|
| 1174 | DefaultFont (>MS Sans Serif 8pt<) }
|
---|
| 1175 | var
|
---|
| 1176 | Font: TFont;
|
---|
| 1177 | begin
|
---|
| 1178 | Font := TFont.Create;
|
---|
| 1179 | Font.Name := BaseFontName;
|
---|
| 1180 | Font.Size := FontSize;
|
---|
| 1181 | W := ResizeWidth( BaseFont, Font, W);
|
---|
| 1182 | H := ResizeHeight( BaseFont, Font, H);
|
---|
| 1183 | end;
|
---|
| 1184 |
|
---|
| 1185 | procedure ResizeHeaderControl( OldFont: TFont; NewFont: TFont; Control: THeaderControl);
|
---|
| 1186 | {Tested against fOrders page.}
|
---|
| 1187 | var
|
---|
| 1188 | i: integer;
|
---|
| 1189 | begin
|
---|
| 1190 | for i := 0 to Control.Sections.Count-1 do
|
---|
| 1191 | Control.Sections[i].Width := ResizeWidth( OldFont, NewFont, Control.Sections[i].Width);
|
---|
| 1192 | end;
|
---|
| 1193 |
|
---|
| 1194 | procedure ResizeListView( OldFont: TFont; NewFont: TFont; Control: TListView);
|
---|
| 1195 | var
|
---|
| 1196 | i: integer;
|
---|
| 1197 | begin
|
---|
| 1198 | if not Assigned(Control.OnResize) then
|
---|
| 1199 | for i := 0 to Control.Columns.Count-1 do
|
---|
| 1200 | Control.Columns[i].Width := ResizeWidth( OldFont, NewFont, Control.Columns[i].Width);
|
---|
| 1201 | end;
|
---|
| 1202 |
|
---|
| 1203 | procedure ResizeComboBox( OldFont: TFont; NewFont: TFont; Control: TComboBox);
|
---|
| 1204 | begin
|
---|
| 1205 | Control.ItemHeight := ResizeHeight( OldFont, NewFont, Control.ItemHeight);
|
---|
| 1206 | end;
|
---|
| 1207 |
|
---|
| 1208 | procedure ResizeListBox( OldFont: TFont; NewFont: TFont; Control: TListBox);
|
---|
| 1209 | begin
|
---|
| 1210 | Control.ItemHeight := ResizeHeight( OldFont, NewFont, Control.ItemHeight);
|
---|
| 1211 | end;
|
---|
| 1212 |
|
---|
| 1213 | procedure ResizeCheckListBox( OldFont: TFont; NewFont: TFont; Control: TCheckListBox);
|
---|
| 1214 | begin
|
---|
| 1215 | Control.ItemHeight := ResizeHeight( OldFont, NewFont, Control.ItemHeight);
|
---|
| 1216 | end;
|
---|
| 1217 |
|
---|
| 1218 | procedure ResizeDescendants( OldFont: TFont; NewFont: TFont; AControl: TWinControl);
|
---|
| 1219 | var
|
---|
| 1220 | i: integer;
|
---|
| 1221 | Child: TControl;
|
---|
| 1222 | VisibleWidth, TotalWidth: integer;
|
---|
| 1223 | VisibleHeight, TotalHeight: integer;
|
---|
| 1224 | begin
|
---|
| 1225 | if AControl.Align <> alNone then
|
---|
| 1226 | Application.ProcessMessages;
|
---|
| 1227 | AControl.DisableAlign;
|
---|
| 1228 | try
|
---|
| 1229 | //I think I finally got this next part right, so I will try to explain what
|
---|
| 1230 | //it is doing.
|
---|
| 1231 | //At this stage, the control is resized, but all of the childern are in
|
---|
| 1232 | //original size.
|
---|
| 1233 | //These children are corretly aligned to the visible part of the control,
|
---|
| 1234 | //but may not be correctly aligned in the underlying canvas if there are
|
---|
| 1235 | //scroll bars.
|
---|
| 1236 | //We wish to transform the children to have the correct new size and be
|
---|
| 1237 | //aligned to the new underlying canvas size.
|
---|
| 1238 |
|
---|
| 1239 | //For the widths, I have kept track of what parts of the screen we are
|
---|
| 1240 | //resizing. The height will work the same way.
|
---|
| 1241 | //The notation is A[B]C, where A is the space to the left of the child
|
---|
| 1242 | //control, B is the space containing the child control, and C is the space
|
---|
| 1243 | //to the right.
|
---|
| 1244 | VisibleWidth := AControl.Width;
|
---|
| 1245 | VisibleHeight := AControl.Height;
|
---|
| 1246 | TotalWidth := VisibleWidth;
|
---|
| 1247 | TotalHeight := VisibleHeight;
|
---|
| 1248 | if AControl is TScrollingWinControl then
|
---|
| 1249 | begin
|
---|
| 1250 | TotalWidth := HigherOf(TotalWidth, TScrollingWinControl(AControl).HorzScrollBar.Range);
|
---|
| 1251 | TotalHeight := HigherOf(TotalHeight, TScrollingWinControl(AControl).VertScrollBar.Range);
|
---|
| 1252 | end;
|
---|
| 1253 | for i := 0 to AControl.ControlCount -1 do begin
|
---|
| 1254 | Child := AControl.Controls[i];
|
---|
| 1255 | //Tab sheets auto-size with their parents
|
---|
| 1256 | if not (Child is TTabSheet) then
|
---|
| 1257 | with Child do begin
|
---|
| 1258 | if [akLeft,akRight] <= Anchors then //X[.]X
|
---|
| 1259 | Width := TotalWidth - ResizeWidth( OldFont, NewFont, VisibleWidth - Width)
|
---|
| 1260 | else //.[X].
|
---|
| 1261 | Width := ResizeWidth( OldFont, NewFont, Width);
|
---|
| 1262 | if not(akLeft in Anchors) then //.[X]X
|
---|
| 1263 | Left := TotalWidth - ResizeWidth( OldFont, NewFont, VisibleWidth - Left)
|
---|
| 1264 | else
|
---|
| 1265 | Left := ResizeWidth( OldFont, NewFont, Left); //X[.].
|
---|
| 1266 | if [akTop,akBottom] <= Anchors then
|
---|
| 1267 | Height := TotalHeight - ResizeHeight( OldFont, NewFont, VisibleHeight - Height)
|
---|
| 1268 | else
|
---|
| 1269 | Height := ResizeHeight( OldFont, NewFont, Height);
|
---|
| 1270 | if not(akTop in Anchors) then
|
---|
| 1271 | Top := TotalHeight - ResizeHeight( OldFont, NewFont, VisibleHeight - Top)
|
---|
| 1272 | else
|
---|
| 1273 | Top := ResizeHeight( OldFont, NewFont, Top);
|
---|
| 1274 | end;
|
---|
| 1275 | //Recurse. Let Auto-Size panels take care of themselves
|
---|
| 1276 | if (Child is TWinControl) and not (Child is TORAutoPanel) then
|
---|
| 1277 | ResizeDescendants( OldFont, NewFont, TWinControl(Child));
|
---|
| 1278 | if Child is TComboBox then
|
---|
| 1279 | ResizeComboBox( OldFont, NewFont, TComboBox(Child));
|
---|
| 1280 | if Child is TCheckListBox then
|
---|
| 1281 | ResizeCheckListBox( OldFont, NewFont, TCheckListBox(Child));
|
---|
| 1282 | if Child is THeaderControl then
|
---|
| 1283 | ResizeHeaderControl( OldFont, NewFont, THeaderControl(Child));
|
---|
| 1284 | if Child is TListBox then
|
---|
| 1285 | ResizeListBox( OldFont, NewFont, TListBox(Child));
|
---|
| 1286 | if Child is TListView then
|
---|
| 1287 | ResizeListView( OldFont, NewFont, TListView(Child));
|
---|
| 1288 | if Child is TDrawGrid then with TDrawGrid(Child) do
|
---|
| 1289 | //from Win32 "How to Calculate the Height of Edit Control..."
|
---|
| 1290 | DefaultRowHeight := Abs(NewFont.Height) * 3 div 2;
|
---|
| 1291 | if Child is TTabControl then with TTabControl(Child) do begin
|
---|
| 1292 | if Tabs.Count > 0 then
|
---|
| 1293 | TabWidth := ResizeWidth( OldFont, NewFont, TabWidth);
|
---|
| 1294 | Width := TabWidth * Tabs.Count +3;
|
---|
| 1295 | end;
|
---|
| 1296 | end;
|
---|
| 1297 | finally
|
---|
| 1298 | AControl.EnableAlign;
|
---|
| 1299 | end;
|
---|
| 1300 | end;
|
---|
| 1301 |
|
---|
| 1302 | procedure ResizeChartFonts( OldFont: TFont; NewFont: TFont; Control: TChart);
|
---|
| 1303 | var
|
---|
| 1304 | i: integer;
|
---|
| 1305 | begin
|
---|
| 1306 | with Control do begin
|
---|
| 1307 | if LeftAxis.Title.Font.Size = OldFont.Size then
|
---|
| 1308 | LeftAxis.Title.Font.Size := NewFont.Size;
|
---|
| 1309 | if LeftAxis.LabelsFont.Size = OldFont.Size then
|
---|
| 1310 | LeftAxis.LabelsFont.Size := NewFont.Size;
|
---|
| 1311 | if BottomAxis.Title.Font.Size = OldFont.Size then
|
---|
| 1312 | BottomAxis.Title.Font.Size := NewFont.Size;
|
---|
| 1313 | if BottomAxis.LabelsFont.Size = OldFont.Size then
|
---|
| 1314 | BottomAxis.LabelsFont.Size := NewFont.Size;
|
---|
| 1315 | if Legend.Font.Size = OldFont.Size then
|
---|
| 1316 | Legend.Font.Size := NewFont.Size;
|
---|
| 1317 | if Title.Font.Size = OldFont.Size then
|
---|
| 1318 | Title.Font.Size := NewFont.Size;
|
---|
| 1319 | for i := 0 to SeriesCount - 1 do
|
---|
| 1320 | if Series[i].Marks.Font.Size = OldFont.Size then
|
---|
| 1321 | Series[i].Marks.Font.Size := NewFont.Size;
|
---|
| 1322 | end;
|
---|
| 1323 | end;
|
---|
| 1324 |
|
---|
| 1325 | procedure ResizeFontsInDescendants( OldFont: TFont; NewFont: TFont; AControl: TWinControl);
|
---|
| 1326 | var
|
---|
| 1327 | i: integer;
|
---|
| 1328 | Child: TControl;
|
---|
| 1329 | RESelectionStart: integer;
|
---|
| 1330 | RESelectionLength: integer;
|
---|
| 1331 | begin
|
---|
| 1332 | for i := 0 to AControl.ControlCount -1 do begin
|
---|
| 1333 | Child := AControl.Controls[i];
|
---|
| 1334 | if Child is TRichEdit then begin
|
---|
| 1335 | with TRichEdit(Child) do
|
---|
| 1336 | if Font.Size = OldFont.Size then begin
|
---|
| 1337 | if not ParentFont then
|
---|
| 1338 | Font.Size := NewFont.Size;
|
---|
| 1339 | RESelectionStart := SelStart;
|
---|
| 1340 | RESelectionLength := SelLength;
|
---|
| 1341 | SelectAll;
|
---|
| 1342 | SelAttributes.Size := NewFont.Size;
|
---|
| 1343 | DefAttributes.Size := NewFont.Size;
|
---|
| 1344 | SelStart := RESelectionStart;
|
---|
| 1345 | SelLength := RESelectionLength;
|
---|
| 1346 | end
|
---|
| 1347 | end
|
---|
| 1348 | else
|
---|
| 1349 | if Child is TChart then
|
---|
| 1350 | ResizeChartFonts( OldFont, NewFont, TChart(Child))
|
---|
| 1351 | else
|
---|
| 1352 | with TFontControl(Child) do
|
---|
| 1353 | if (Font.Size = OldFont.Size) and not ParentFont then
|
---|
| 1354 | Font.Size := NewFont.Size;
|
---|
| 1355 |
|
---|
| 1356 | if Child is TWinControl then
|
---|
| 1357 | ResizeFontsInDescendants( OldFont, NewFont, TWinControl(Child));
|
---|
| 1358 | end;
|
---|
| 1359 | end;
|
---|
| 1360 |
|
---|
| 1361 | procedure ForceInsideWorkArea( var Rect: TRect);
|
---|
| 1362 | var
|
---|
| 1363 | Frame: TRect;
|
---|
| 1364 | begin
|
---|
| 1365 | Frame := Screen.WorkAreaRect;
|
---|
| 1366 | {Veritcal version:}
|
---|
| 1367 | {Align bottom (preserving height) if needed}
|
---|
| 1368 | if Rect.Bottom > Frame.Bottom then
|
---|
| 1369 | begin
|
---|
| 1370 | Rect.Top := Rect.Top + Frame.Bottom - Rect.Bottom;
|
---|
| 1371 | Rect.Bottom := Frame.Bottom;
|
---|
| 1372 | end;
|
---|
| 1373 | {Then align top (preserving height) if needed}
|
---|
| 1374 | if Rect.Top < Frame.Top then
|
---|
| 1375 | begin
|
---|
| 1376 | Rect.Bottom := Rect.Bottom + Frame.Top - Rect.Top;
|
---|
| 1377 | Rect.Top := Frame.Top;
|
---|
| 1378 | end;
|
---|
| 1379 | {Now shrink (preserving top) if needed}
|
---|
| 1380 | if Rect.Bottom > Frame.Bottom then
|
---|
| 1381 | Rect.Bottom := Frame.Bottom;
|
---|
| 1382 | {Horizontal version:}
|
---|
| 1383 | if Rect.Right > Frame.Right then
|
---|
| 1384 | begin
|
---|
| 1385 | Rect.Left := Rect.Left + Frame.Right - Rect.Right;
|
---|
| 1386 | Rect.Right := Frame.Right;
|
---|
| 1387 | end;
|
---|
| 1388 | if Rect.Left < Frame.Left then
|
---|
| 1389 | begin
|
---|
| 1390 | Rect.Right := Rect.Right + Frame.Left - Rect.Left;
|
---|
| 1391 | Rect.Left := Frame.Left;
|
---|
| 1392 | end;
|
---|
| 1393 | if Rect.Right > Frame.Right then
|
---|
| 1394 | Rect.Right := Frame.Right;
|
---|
| 1395 | end;
|
---|
| 1396 |
|
---|
[829] | 1397 | var
|
---|
| 1398 | AlignList, AnchorList: TStringList;
|
---|
| 1399 |
|
---|
| 1400 | function AnchorsToStr(Control: TControl): string;
|
---|
| 1401 | var
|
---|
| 1402 | j: TAnchorKind;
|
---|
| 1403 |
|
---|
| 1404 | begin
|
---|
| 1405 | Result := '';
|
---|
| 1406 | for j := low(TAnchorKind) to high(TAnchorKind) do
|
---|
| 1407 | if j in Control.Anchors then
|
---|
| 1408 | Result := result + '1'
|
---|
| 1409 | else
|
---|
| 1410 | Result := result + '0'
|
---|
| 1411 | end;
|
---|
| 1412 |
|
---|
| 1413 | function StrToAnchors(i: integer): TAnchors;
|
---|
| 1414 | var
|
---|
| 1415 | j: TAnchorKind;
|
---|
| 1416 | value: string;
|
---|
| 1417 | idx : integer;
|
---|
| 1418 | begin
|
---|
| 1419 | Result := [];
|
---|
| 1420 | value := AnchorList[i];
|
---|
| 1421 | idx := 1;
|
---|
| 1422 | for j := low(TAnchorKind) to high(TAnchorKind) do
|
---|
| 1423 | begin
|
---|
| 1424 | if copy(value,idx,1) = '1' then
|
---|
| 1425 | include(Result, j);
|
---|
| 1426 | inc(idx);
|
---|
| 1427 | end;
|
---|
| 1428 | end;
|
---|
| 1429 |
|
---|
| 1430 | procedure SuspendAlign(AForm: TForm);
|
---|
| 1431 | var
|
---|
| 1432 | i: integer;
|
---|
| 1433 | control: TControl;
|
---|
| 1434 | begin
|
---|
| 1435 | AForm.DisableAlign;
|
---|
| 1436 | AlignList.Clear;
|
---|
| 1437 | AnchorList.Clear;
|
---|
| 1438 | for i := 0 to AForm.ControlCount-1 do
|
---|
| 1439 | begin
|
---|
| 1440 | control := AForm.Controls[i];
|
---|
| 1441 | AlignList.Add(IntToStr(ord(control.align)));
|
---|
| 1442 | control.Align := alNone;
|
---|
| 1443 | AnchorList.Add(AnchorsToStr(control));
|
---|
| 1444 | control.Anchors := [];
|
---|
| 1445 | end;
|
---|
| 1446 | end;
|
---|
| 1447 |
|
---|
| 1448 | procedure RestoreAlign(AForm: TForm);
|
---|
| 1449 | var
|
---|
| 1450 | i: integer;
|
---|
| 1451 | control: TControl;
|
---|
| 1452 | begin
|
---|
| 1453 | try
|
---|
| 1454 | for i := 0 to AForm.ControlCount-1 do
|
---|
| 1455 | begin
|
---|
| 1456 | control := AForm.Controls[i];
|
---|
| 1457 | control.Align := TAlign(StrToIntDef(AlignList[i],0));
|
---|
| 1458 | control.Anchors := StrToAnchors(i);
|
---|
| 1459 | end;
|
---|
| 1460 | AlignList.Clear;
|
---|
| 1461 | AnchorList.Clear;
|
---|
| 1462 | finally
|
---|
| 1463 | AForm.EnableAlign;
|
---|
| 1464 | end;
|
---|
| 1465 | end;
|
---|
| 1466 |
|
---|
[456] | 1467 | procedure ResizeFormToFont(AForm: TForm);
|
---|
| 1468 | var
|
---|
| 1469 | Rect: TRect;
|
---|
[829] | 1470 | OldResize: TNotifyEvent;
|
---|
[456] | 1471 | begin
|
---|
[829] | 1472 | // CQ# 11481 apply size changes to form all at once, instead of piece by piece. Otherwise,
|
---|
| 1473 | // multiple calls to fAutoSz.FormResize, even if the form has not resized, can distort
|
---|
| 1474 | // the controls beyond the size of the form.
|
---|
[456] | 1475 | with AForm do begin
|
---|
[829] | 1476 | OldResize := AForm.OnResize;
|
---|
| 1477 | AForm.OnResize := nil;
|
---|
| 1478 | try
|
---|
| 1479 | SuspendAlign(AForm);
|
---|
| 1480 | try
|
---|
| 1481 | HorzScrollBar.Range := ResizeWidth( Font, MainFont, HorzScrollBar.Range);
|
---|
| 1482 | VertScrollBar.Range := ResizeHeight( Font, MainFont, VertScrollBar.Range);
|
---|
| 1483 | ClientWidth := ResizeWidth( Font, MainFont, ClientWidth);
|
---|
| 1484 | ClientHeight := ResizeHeight( Font, MainFont, ClientHeight);
|
---|
| 1485 | Rect := BoundsRect;
|
---|
| 1486 | ForceInsideWorkArea(Rect);
|
---|
| 1487 | BoundsRect := Rect;
|
---|
| 1488 | finally
|
---|
| 1489 | RestoreAlign(AForm);
|
---|
| 1490 | end;
|
---|
| 1491 | ResizeFontsInDescendants( Font, MainFont, AForm);
|
---|
| 1492 | //Important: We are using the font to calculate everything, so don't
|
---|
| 1493 | //change font until now.
|
---|
| 1494 | Font.Size := MainFont.Size;
|
---|
| 1495 | finally
|
---|
| 1496 | if(Assigned(OldResize)) then
|
---|
| 1497 | begin
|
---|
| 1498 | AForm.OnResize := OldResize;
|
---|
| 1499 | OldResize(AForm);
|
---|
| 1500 | end;
|
---|
| 1501 | end;
|
---|
[456] | 1502 | end;
|
---|
| 1503 | end;
|
---|
| 1504 |
|
---|
| 1505 | procedure ResizeAnchoredFormToFont( AForm: TForm);
|
---|
| 1506 | var
|
---|
| 1507 | Rect: TRect;
|
---|
[829] | 1508 | OldResize: TNotifyEvent;
|
---|
| 1509 |
|
---|
[456] | 1510 | begin
|
---|
| 1511 | with AForm do begin
|
---|
[829] | 1512 | // CQ# 11481 - see ResizeFormToFont
|
---|
| 1513 | OldResize := AForm.OnResize;
|
---|
| 1514 | AForm.OnResize := nil;
|
---|
| 1515 | try
|
---|
| 1516 | HorzScrollBar.Range := ResizeWidth( Font, MainFont, HorzScrollBar.Range);
|
---|
| 1517 | VertScrollBar.Range := ResizeHeight( Font, MainFont, VertScrollBar.Range);
|
---|
| 1518 | ClientWidth := ResizeWidth( Font, MainFont, ClientWidth);
|
---|
| 1519 | ClientHeight := ResizeHeight( Font, MainFont, ClientHeight);
|
---|
| 1520 | Rect := BoundsRect;
|
---|
| 1521 | ForceInsideWorkArea(Rect);
|
---|
| 1522 | BoundsRect := Rect;
|
---|
| 1523 | ResizeDescendants( Font, MainFont, AForm);
|
---|
| 1524 | ResizeFontsInDescendants( Font, MainFont, AForm);
|
---|
| 1525 | //Important: We are using the font to calculate everything, so don't
|
---|
| 1526 | //change font until now.
|
---|
| 1527 | Font.Size := MainFont.Size;
|
---|
| 1528 | finally
|
---|
| 1529 | if(Assigned(OldResize)) then
|
---|
| 1530 | begin
|
---|
| 1531 | AForm.OnResize := OldResize;
|
---|
| 1532 | OldResize(AForm);
|
---|
| 1533 | end;
|
---|
| 1534 | end;
|
---|
[456] | 1535 | end;
|
---|
| 1536 | end;
|
---|
| 1537 |
|
---|
[829] | 1538 | // CQ 11485 - Adjusts all forms - adds additional height to the form to
|
---|
| 1539 | // adjust for Windows XP style title bars, and for large fonts in title bar
|
---|
| 1540 | procedure AdjustForWindowsXPStyleTitleBar(AForm: TForm);
|
---|
| 1541 | const
|
---|
| 1542 | DEFAULT_CAPTION_HEIGHT = 19;
|
---|
| 1543 | DEFAULT_MENU_HEIGHT = 19;
|
---|
| 1544 |
|
---|
| 1545 | var
|
---|
| 1546 | dxsb, dysb, dy, menuDY: integer;
|
---|
| 1547 |
|
---|
| 1548 | begin
|
---|
| 1549 | // Call GetSystemMetrics each time because values can change between calls
|
---|
| 1550 | dy := GetSystemMetrics(SM_CYCAPTION) - DEFAULT_CAPTION_HEIGHT;
|
---|
| 1551 | if (AForm.Menu <> nil) then
|
---|
| 1552 | begin
|
---|
| 1553 | menuDY := GetSystemMetrics(SM_CYMENU) - DEFAULT_MENU_HEIGHT;
|
---|
| 1554 | inc(dy, menuDY);
|
---|
| 1555 | end;
|
---|
| 1556 | if dy <> 0 then
|
---|
| 1557 | begin
|
---|
| 1558 | SuspendAlign(AForm);
|
---|
| 1559 | try
|
---|
| 1560 | // Assitional adjustment to allow scroll bars to dissappear
|
---|
| 1561 | dxsb := GetSystemMetrics(SM_CXVSCROLL);
|
---|
| 1562 | dysb := GetSystemMetrics(SM_CYHSCROLL);
|
---|
| 1563 | AForm.Height := AForm.Height + dy + dysb;
|
---|
| 1564 | AForm.Width := AForm.Width + dxsb;
|
---|
| 1565 | AForm.Height := AForm.Height - dysb;
|
---|
| 1566 | AForm.Width := AForm.Width - dxsb;
|
---|
| 1567 | finally
|
---|
| 1568 | RestoreAlign(AForm);
|
---|
| 1569 | end;
|
---|
| 1570 | end;
|
---|
| 1571 | end;
|
---|
| 1572 |
|
---|
[456] | 1573 | procedure SetEqualTabStops(AControl: TControl; TabWidth: Integer = 8);
|
---|
| 1574 | { sets tab stops to match the width when the tab is replaced with TabWidth spaces }
|
---|
| 1575 | const
|
---|
| 1576 | MAX_TABS = 10;
|
---|
| 1577 | POINTS_PER_INCH = 72;
|
---|
| 1578 | var
|
---|
| 1579 | DC: HDC;
|
---|
| 1580 | i, HorzPixelsPerInch, PixelsPerTabWidth, PointsPerTabWidth: Integer;
|
---|
| 1581 | begin
|
---|
| 1582 | if AControl is TRichEdit then with TRichEdit(AControl) do
|
---|
| 1583 | begin
|
---|
| 1584 | DC := GetDC(0);
|
---|
| 1585 | HorzPixelsPerInch := GetDeviceCaps(DC, LOGPIXELSX);
|
---|
| 1586 | ReleaseDC(0, DC);
|
---|
| 1587 | PixelsPerTabWidth := TextWidthByFont(Font.Handle, StringOfChar(' ', TabWidth));
|
---|
| 1588 | PointsPerTabWidth := Round((PixelsPerTabWidth / HorzPixelsPerInch) * POINTS_PER_INCH);
|
---|
| 1589 | for i := 0 to MAX_TABS do Paragraph.Tab[i] := PointsPerTabWidth * Succ(i);
|
---|
| 1590 | end;
|
---|
| 1591 | end;
|
---|
| 1592 |
|
---|
| 1593 | procedure StatusText(const S: string);
|
---|
| 1594 | { sends a user defined message to the main window of an application to display the text
|
---|
| 1595 | found in lParam. Only useful if the main window has message event for this message }
|
---|
| 1596 | begin
|
---|
| 1597 | if (Application.MainForm <> nil) and (Application.MainForm.HandleAllocated)
|
---|
| 1598 | then SendMessage(Application.MainForm.Handle, UM_STATUSTEXT, 0, Integer(PChar(S)));
|
---|
| 1599 | end;
|
---|
| 1600 |
|
---|
| 1601 | function ShowMsgOn(AnExpression: Boolean; const AMsg, ACaption: string): Boolean;
|
---|
| 1602 | begin
|
---|
| 1603 | Result := AnExpression;
|
---|
| 1604 | if Result then InfoBox(AMsg, ACaption, MB_OK);
|
---|
| 1605 | end;
|
---|
| 1606 |
|
---|
| 1607 | function TextWidthByFont(AFontHandle: THandle; const x: string): Integer;
|
---|
| 1608 | { returns the width of a string in pixels, given a FONT handle and string }
|
---|
| 1609 | var
|
---|
| 1610 | DC: HDC;
|
---|
| 1611 | SaveFont: HFont;
|
---|
| 1612 | TextSize: TSize;
|
---|
| 1613 | begin
|
---|
| 1614 | DC := GetDC(0);
|
---|
[829] | 1615 | try
|
---|
| 1616 | SaveFont := SelectObject(DC, AFontHandle);
|
---|
| 1617 | try
|
---|
| 1618 | GetTextExtentPoint32(DC, PChar(x), Length(x), TextSize);
|
---|
| 1619 | Result := TextSize.cx;
|
---|
| 1620 | finally
|
---|
| 1621 | SelectObject(DC, SaveFont);
|
---|
| 1622 | end;
|
---|
| 1623 | finally
|
---|
| 1624 | ReleaseDC(0, DC);
|
---|
| 1625 | end;
|
---|
[456] | 1626 | end;
|
---|
| 1627 |
|
---|
| 1628 | function TextHeightByFont(AFontHandle: THandle; const x: string): Integer;
|
---|
| 1629 | var
|
---|
| 1630 | DC: HDC;
|
---|
| 1631 | SaveFont: HFont;
|
---|
| 1632 | TextSize: TSize;
|
---|
| 1633 |
|
---|
| 1634 | begin
|
---|
| 1635 | DC := GetDC(0);
|
---|
[829] | 1636 | try
|
---|
| 1637 | SaveFont := SelectObject(DC, AFontHandle);
|
---|
| 1638 | try
|
---|
| 1639 | GetTextExtentPoint32(DC, PChar(x), Length(x), TextSize);
|
---|
| 1640 | Result := TextSize.cy;
|
---|
| 1641 | finally
|
---|
| 1642 | SelectObject(DC, SaveFont);
|
---|
| 1643 | end;
|
---|
| 1644 | finally
|
---|
| 1645 | ReleaseDC(0, DC);
|
---|
| 1646 | end;
|
---|
| 1647 | if Result > 255 then // CQ 11493
|
---|
| 1648 | Result := 255; // This is maximum allowed by a Windows
|
---|
[456] | 1649 | end;
|
---|
| 1650 |
|
---|
| 1651 | function WrappedTextHeightByFont(Canvas: TCanvas; NewFont: TFont; ItemText: string; var ARect: TRect): integer;
|
---|
| 1652 | var
|
---|
| 1653 | MyTextMetric: TTextMetric;
|
---|
| 1654 | MyFontName: Array [0..31] of char;
|
---|
| 1655 | MyFontHandle, RealFontHandle: HFONT;
|
---|
| 1656 | begin
|
---|
| 1657 | { The next bit is a bunch of Windows code to accomodate the DrawText calls
|
---|
| 1658 | inside the try..finally block. The issue here comes when resizing the font.
|
---|
| 1659 | The Delphi font property is already set, but the DrawText call uses a
|
---|
| 1660 | Windows handle and the handle's font hasn't been set to the new value.}
|
---|
| 1661 | {This still has a vertical sizing bug when there is text that doesn't wrap but is too
|
---|
| 1662 | wide to display in the window (think long medicine names and 24 pt font on a
|
---|
| 1663 | 640*480 screen)}
|
---|
| 1664 | MyFontHandle := 0;
|
---|
| 1665 | RealFontHandle := 0;
|
---|
| 1666 | if GetTextMetrics(Canvas.Handle, MyTextMetric) then
|
---|
| 1667 | if GetTextFace( Canvas.Handle, 32, @MyFontName) <> 0 then with MyTextMetric do
|
---|
| 1668 | MyFontHandle := CreateFont( NewFont.Height,
|
---|
| 1669 | tmAveCharWidth * Abs(NewFont.Height) div tmHeight,
|
---|
| 1670 | 0,
|
---|
| 1671 | 0,
|
---|
| 1672 | tmWeight,
|
---|
| 1673 | tmItalic,
|
---|
| 1674 | tmUnderlined,
|
---|
| 1675 | tmStruckOut,
|
---|
| 1676 | tmCharSet,
|
---|
| 1677 | OUT_DEFAULT_PRECIS,
|
---|
| 1678 | CLIP_DEFAULT_PRECIS,
|
---|
| 1679 | DEFAULT_QUALITY,
|
---|
| 1680 | FF_DONTCARE or DEFAULT_PITCH,
|
---|
| 1681 | @MyFontName);
|
---|
| 1682 | if MyFontHandle <> 0 then
|
---|
| 1683 | RealFontHandle := SelectObject( Canvas.Handle, MyFontHandle);
|
---|
| 1684 | try
|
---|
| 1685 | result := DrawText(Canvas.Handle, PChar(ItemText), Length(ItemText), ARect,
|
---|
| 1686 | DT_CALCRECT or DT_LEFT or DT_NOPREFIX or DT_WORDBREAK) + 2;
|
---|
| 1687 | finally
|
---|
| 1688 | if MyFontHandle <> 0 then begin
|
---|
| 1689 | SelectObject( Canvas.Handle, RealFontHandle);
|
---|
| 1690 | DeleteObject( MyFontHandle );
|
---|
| 1691 | end;
|
---|
| 1692 | end;
|
---|
[829] | 1693 | if Result > 255 then // CQ 11492
|
---|
| 1694 | Result := 255; // This is maximum allowed by a Windows
|
---|
[456] | 1695 | end;
|
---|
| 1696 |
|
---|
| 1697 | function NumCharsFitInWidth(AFontHandle: THandle; const x: string; const MaxLen: integer): Integer;
|
---|
| 1698 | var
|
---|
| 1699 | DC: HDC;
|
---|
| 1700 | SaveFont: HFont;
|
---|
| 1701 | TextSize: TSize;
|
---|
| 1702 | TmpX: string;
|
---|
| 1703 | done: boolean;
|
---|
| 1704 | l,h: integer;
|
---|
| 1705 |
|
---|
| 1706 | begin
|
---|
| 1707 | DC := GetDC(0);
|
---|
| 1708 | SaveFont := SelectObject(DC, AFontHandle);
|
---|
| 1709 | try
|
---|
| 1710 | h := length(x);
|
---|
| 1711 | l := 0;
|
---|
| 1712 | Result := h;
|
---|
| 1713 | repeat
|
---|
| 1714 | TmpX := copy(x, 1, Result);
|
---|
| 1715 | GetTextExtentPoint32(DC, PChar(TmpX), Length(TmpX), TextSize);
|
---|
| 1716 | if(TextSize.cx > MaxLen) then
|
---|
| 1717 | begin
|
---|
| 1718 | h := Result;
|
---|
| 1719 | Result := (l+h) div 2;
|
---|
| 1720 | done := (Result <= l);
|
---|
| 1721 | end
|
---|
| 1722 | else
|
---|
| 1723 | begin
|
---|
| 1724 | l := Result;
|
---|
| 1725 | Result := (l+h+1) div 2;
|
---|
| 1726 | done := (Result >= h);
|
---|
| 1727 | end;
|
---|
| 1728 | until(done);
|
---|
| 1729 | finally
|
---|
| 1730 | SelectObject(DC, SaveFont);
|
---|
| 1731 | ReleaseDC(0, DC);
|
---|
| 1732 | end;
|
---|
| 1733 | end;
|
---|
| 1734 |
|
---|
| 1735 | function PopupComponent(Sender: TObject; PopupMenu: TPopupMenu): TComponent;
|
---|
| 1736 | begin
|
---|
| 1737 | if(assigned(PopupMenu) and assigned(Sender) and (Sender is TPopupMenu) and
|
---|
| 1738 | assigned(PopupMenu.PopupComponent)) then
|
---|
| 1739 | Result := PopupMenu.PopupComponent
|
---|
| 1740 | else
|
---|
| 1741 | Result := Screen.ActiveControl;
|
---|
| 1742 | end;
|
---|
| 1743 |
|
---|
| 1744 | procedure ReformatMemoParagraph(AMemo: TCustomMemo);
|
---|
| 1745 | { rewrap lines starting with current line until there is a line that starts with whitespace }
|
---|
| 1746 | var
|
---|
| 1747 | ALine: Integer;
|
---|
| 1748 | x, OldText, NewText: string;
|
---|
| 1749 | begin
|
---|
| 1750 | with AMemo do
|
---|
| 1751 | begin
|
---|
| 1752 | ALine := SendMessage(Handle, EM_LINEFROMCHAR, SelStart, 0);
|
---|
| 1753 | repeat
|
---|
| 1754 | Inc(ALine);
|
---|
| 1755 | until (ALine >= Lines.Count) or (Lines[ALine] = '') or (Ord(Lines[ALine][1]) <= 32);
|
---|
| 1756 | SelLength := SendMessage(Handle, EM_LINEINDEX, ALine, 0) - SelStart - 1;
|
---|
| 1757 | if SelLength < 1 then Exit;
|
---|
| 1758 | OldText := SelText;
|
---|
| 1759 | NewText := '';
|
---|
| 1760 | repeat
|
---|
| 1761 | x := Copy(OldText, 1, Pos(CRLF, OldText) - 1);
|
---|
| 1762 | if Length(x) = 0 then x := OldText;
|
---|
| 1763 | Delete(OldText, 1, Length(x) + 2); {delete text + CRLF}
|
---|
| 1764 | if (NewText <> '') and (Copy(NewText, Length(NewText), 1) <> ' ') and
|
---|
| 1765 | (Copy(x, 1, 1) <> ' ') then NewText := NewText + ' ';
|
---|
| 1766 | NewText := NewText + x;
|
---|
| 1767 | until OldText = '';
|
---|
| 1768 | SelText := NewText;
|
---|
| 1769 | end;
|
---|
| 1770 | end;
|
---|
| 1771 |
|
---|
| 1772 | var
|
---|
[829] | 1773 | uNormalColorScheme: boolean = false;
|
---|
| 1774 | uBlackColorScheme: boolean = false;
|
---|
| 1775 | uWhiteColorScheme: boolean = false;
|
---|
| 1776 | uMaroonColorWhenBlack: TColor = clMaroon;
|
---|
| 1777 | uCheckColorScheme: boolean = true;
|
---|
| 1778 | PURE_BLACK: longint = 0;
|
---|
[456] | 1779 |
|
---|
[829] | 1780 | const
|
---|
| 1781 | uBorderlessWindowColorWhenBlack: TColor = clNavy;
|
---|
| 1782 |
|
---|
| 1783 |
|
---|
| 1784 | procedure CheckColorScheme;
|
---|
[456] | 1785 | begin
|
---|
[829] | 1786 | if uCheckColorScheme then
|
---|
[456] | 1787 | begin
|
---|
[829] | 1788 | uNormalColorScheme :=
|
---|
| 1789 | ((ColorToRGB(clWindow) = ColorToRGB(clWhite)) and
|
---|
| 1790 | (ColorToRGB(clWindowText) = ColorToRGB(clBlack)) and
|
---|
| 1791 | (ColorToRGB(clInfoText) = ColorToRGB(clBlack)) and
|
---|
| 1792 | (ColorToRGB(clInfoBk) <> ColorToRGB(clWhite)));
|
---|
| 1793 |
|
---|
| 1794 | uBlackColorScheme := ((ColorToRGB(clBtnFace) = ColorToRGB(clBlack)) and
|
---|
| 1795 | (ColorToRGB(clWindow) = ColorToRGB(clBlack)));
|
---|
| 1796 | uWhiteColorScheme := ((ColorToRGB(clBtnFace) = ColorToRGB(clWhite)) and
|
---|
| 1797 | (ColorToRGB(clWindow) = ColorToRGB(clWhite)));
|
---|
| 1798 |
|
---|
| 1799 | if uBlackColorScheme then
|
---|
| 1800 | begin
|
---|
| 1801 | if(ColorToRGB(clGrayText) = ColorToRGB(clWindowText)) then
|
---|
| 1802 | uMaroonColorWhenBlack := clHighlightText
|
---|
| 1803 | else
|
---|
| 1804 | uMaroonColorWhenBlack := clGrayText;
|
---|
| 1805 | end;
|
---|
| 1806 |
|
---|
| 1807 | uCheckColorScheme := FALSE;
|
---|
| 1808 | end;
|
---|
| 1809 | end;
|
---|
| 1810 |
|
---|
| 1811 | function BlackColorScheme: Boolean;
|
---|
| 1812 | begin
|
---|
| 1813 | if uCheckColorScheme then CheckColorScheme;
|
---|
| 1814 | Result := uBlackColorScheme;
|
---|
| 1815 | end;
|
---|
| 1816 |
|
---|
| 1817 | function NormalColorScheme: Boolean;
|
---|
| 1818 | begin
|
---|
| 1819 | if uCheckColorScheme then CheckColorScheme;
|
---|
| 1820 | Result := uNormalColorScheme;
|
---|
| 1821 | end;
|
---|
| 1822 |
|
---|
| 1823 | function Get508CompliantColor(Color: TColor): TColor;
|
---|
| 1824 | begin
|
---|
| 1825 | Result := Color;
|
---|
| 1826 | if NormalColorScheme then exit;
|
---|
| 1827 |
|
---|
| 1828 | case Color of
|
---|
| 1829 | clCream: Result := clInfoBk;
|
---|
| 1830 | clBlack: Result := clWindowText;
|
---|
| 1831 | clWhite: Result := clWindow;
|
---|
| 1832 | end;
|
---|
| 1833 |
|
---|
| 1834 | if uBlackColorScheme then
|
---|
| 1835 | begin
|
---|
| 1836 | case Color of
|
---|
| 1837 | clBlue: Result := clAqua;
|
---|
| 1838 | clMaroon: Result := uMaroonColorWhenBlack;
|
---|
| 1839 | // clRed: Result := clFuchsia;
|
---|
| 1840 | end;
|
---|
| 1841 | end;
|
---|
| 1842 |
|
---|
| 1843 | if uWhiteColorScheme then
|
---|
| 1844 | begin
|
---|
| 1845 | case Color of
|
---|
| 1846 | clGrayText: Result := clGray;
|
---|
| 1847 | end;
|
---|
| 1848 | end;
|
---|
| 1849 | end;
|
---|
| 1850 |
|
---|
| 1851 | type
|
---|
| 1852 | TExposedControl = class(TControl)
|
---|
| 1853 | public
|
---|
| 1854 | property Color;
|
---|
| 1855 | property Font;
|
---|
| 1856 | end;
|
---|
| 1857 |
|
---|
| 1858 | TExposedCustomEdit = class(TCustomEdit)
|
---|
| 1859 | public
|
---|
| 1860 | property BorderStyle;
|
---|
| 1861 | property ReadOnly;
|
---|
| 1862 | end;
|
---|
| 1863 |
|
---|
| 1864 | procedure UpdateColorsFor508Compliance(control: TControl; InputEditControl: boolean = FALSE);
|
---|
| 1865 | var
|
---|
| 1866 | BitMapLevelCheck: integer;
|
---|
| 1867 | Level: integer;
|
---|
| 1868 |
|
---|
| 1869 |
|
---|
| 1870 | procedure BlackColorSchemeUpdate(control: TControl);
|
---|
| 1871 | var
|
---|
| 1872 | bitmap: TBitMap;
|
---|
| 1873 | edit: TExposedCustomEdit;
|
---|
| 1874 | x,y: integer;
|
---|
| 1875 | cbmCtrl: IORBlackColorModeCompatible;
|
---|
| 1876 |
|
---|
| 1877 | begin
|
---|
| 1878 | if uBlackColorScheme then
|
---|
| 1879 | begin
|
---|
| 1880 | if Level < BitMapLevelCheck then
|
---|
| 1881 | begin
|
---|
| 1882 | if control.GetInterface(IORBlackColorModeCompatible, cbmCtrl) then
|
---|
| 1883 | begin
|
---|
| 1884 | cbmCtrl.SetBlackColorMode(TRUE);
|
---|
| 1885 | BitMapLevelCheck := Level;
|
---|
| 1886 | cbmCtrl := nil;
|
---|
| 1887 | end
|
---|
| 1888 | else
|
---|
| 1889 | begin
|
---|
| 1890 | if (control is TBitBtn) then
|
---|
| 1891 | begin
|
---|
| 1892 | bitmap := TBitBtn(control).Glyph;
|
---|
| 1893 | for x := 0 to bitmap.Width-1 do
|
---|
| 1894 | begin
|
---|
| 1895 | for y := 0 to bitmap.Height-1 do
|
---|
| 1896 | begin
|
---|
| 1897 | if ColorToRGB(bitmap.Canvas.Pixels[x,y]) = PURE_BLACK then
|
---|
| 1898 | bitmap.Canvas.Pixels[x,y] := clWindowText;
|
---|
| 1899 | end;
|
---|
| 1900 | end;
|
---|
| 1901 | end;
|
---|
| 1902 | end;
|
---|
| 1903 | end;
|
---|
| 1904 |
|
---|
| 1905 | if (control is TCustomEdit) and InputEditControl then
|
---|
| 1906 | begin
|
---|
| 1907 | edit := TExposedCustomEdit(control);
|
---|
| 1908 | if (edit.BorderStyle = bsNone) then
|
---|
| 1909 | edit.Color := uBorderlessWindowColorWhenBlack;
|
---|
| 1910 | end;
|
---|
| 1911 |
|
---|
| 1912 | end;
|
---|
| 1913 | end;
|
---|
| 1914 |
|
---|
| 1915 | procedure ComponentUpdateColorsFor508Compliance(control: TControl);
|
---|
| 1916 | var
|
---|
| 1917 | OldComponentColor, OldFontColor, NewComponentColor, NewFontColor: TColor;
|
---|
| 1918 | begin
|
---|
| 1919 | OldComponentColor := TExposedControl(control).Color;
|
---|
| 1920 | OldFontColor := TExposedControl(control).Font.Color;
|
---|
| 1921 | NewComponentColor := Get508CompliantColor(OldComponentColor);
|
---|
| 1922 | if NewComponentColor = clInfoBk then
|
---|
| 1923 | begin
|
---|
| 1924 | if (OldFontColor = clInfoBk) or (OldFontColor = clCream) then
|
---|
| 1925 | NewFontColor := clInfoBk // used for hiding text
|
---|
| 1926 | else
|
---|
| 1927 | NewFontColor := clInfoText;
|
---|
| 1928 | end
|
---|
[456] | 1929 | else
|
---|
[829] | 1930 | NewFontColor := Get508CompliantColor(OldFontColor);
|
---|
| 1931 | if NewComponentColor <> OldComponentColor then
|
---|
| 1932 | TExposedControl(control).Color := NewComponentColor;
|
---|
| 1933 | if NewFontColor <> OldFontColor then
|
---|
| 1934 | TExposedControl(control).Font.Color := NewFontColor;
|
---|
| 1935 | BlackColorSchemeUpdate(control);
|
---|
[456] | 1936 | end;
|
---|
[829] | 1937 |
|
---|
| 1938 | procedure ScanAllComponents(control: TControl);
|
---|
| 1939 | var
|
---|
| 1940 | i: integer;
|
---|
| 1941 |
|
---|
| 1942 | begin
|
---|
| 1943 | ComponentUpdateColorsFor508Compliance(Control);
|
---|
| 1944 | if control is TWinControl then
|
---|
| 1945 | begin
|
---|
| 1946 | inc(Level);
|
---|
| 1947 | try
|
---|
| 1948 | for i := 0 to TWinControl(Control).ControlCount-1 do
|
---|
| 1949 | begin
|
---|
| 1950 | ScanAllComponents(TWinControl(Control).Controls[i]);
|
---|
| 1951 | end;
|
---|
| 1952 | finally
|
---|
| 1953 | dec(Level);
|
---|
| 1954 | if BitMapLevelCheck = Level then
|
---|
| 1955 | BitMapLevelCheck := MaxInt;
|
---|
| 1956 | end;
|
---|
| 1957 | end;
|
---|
| 1958 | end;
|
---|
| 1959 |
|
---|
| 1960 | begin
|
---|
| 1961 | if NormalColorScheme then exit;
|
---|
| 1962 | BitMapLevelCheck := MaxInt;
|
---|
| 1963 | Level := 0;
|
---|
| 1964 | ScanAllComponents(control);
|
---|
[456] | 1965 | end;
|
---|
| 1966 |
|
---|
[829] | 1967 | procedure UpdateReadOnlyColorScheme(Control: TControl; ReadOnly: boolean);
|
---|
| 1968 | begin
|
---|
| 1969 | with TExposedControl(Control) do
|
---|
| 1970 | begin
|
---|
| 1971 | if ReadOnly then
|
---|
| 1972 | begin
|
---|
| 1973 | Color := Get508CompliantColor(clCream);
|
---|
| 1974 | Font.Color := clInfoText;
|
---|
| 1975 | end
|
---|
| 1976 | else
|
---|
| 1977 | begin
|
---|
| 1978 | Color := clWindow;
|
---|
| 1979 | Font.Color := clWindowText;
|
---|
| 1980 | end;
|
---|
| 1981 | end;
|
---|
| 1982 | end;
|
---|
| 1983 |
|
---|
[456] | 1984 | { ListBox Grid functions }
|
---|
| 1985 |
|
---|
| 1986 | procedure ListGridDrawCell(AListBox: TListBox; AHeader: THeaderControl; ARow, AColumn: Integer;
|
---|
| 1987 | const x: string; WordWrap: Boolean);
|
---|
| 1988 | var
|
---|
| 1989 | i, Format: Integer;
|
---|
| 1990 | ARect: TRect;
|
---|
| 1991 | begin
|
---|
| 1992 | ARect := AListBox.ItemRect(ARow);
|
---|
| 1993 | ARect.Left := 0;
|
---|
| 1994 | for i := 0 to AColumn - 1 do ARect.Left := ARect.Left + AHeader.Sections[i].Width;
|
---|
| 1995 | Inc(ARect.Left, 2);
|
---|
| 1996 | ARect.Right := ARect.Left + AHeader.Sections[AColumn].Width - 6;
|
---|
| 1997 | if WordWrap
|
---|
| 1998 | then Format := (DT_LEFT or DT_NOPREFIX or DT_WORDBREAK)
|
---|
| 1999 | else Format := (DT_LEFT or DT_NOPREFIX);
|
---|
| 2000 | DrawText(AListBox.Canvas.Handle, PChar(x), Length(x), ARect, Format);
|
---|
| 2001 | end;
|
---|
| 2002 |
|
---|
| 2003 | procedure ListGridDrawLines(AListBox: TListBox; AHeader: THeaderControl; Index: Integer;
|
---|
| 2004 | State: TOwnerDrawState);
|
---|
| 2005 | var
|
---|
| 2006 | i, RightSide: Integer;
|
---|
| 2007 | ARect: TRect;
|
---|
| 2008 | begin
|
---|
| 2009 | with AListBox do
|
---|
| 2010 | begin
|
---|
| 2011 | ARect := ItemRect(Index);
|
---|
| 2012 | if odSelected in State then
|
---|
| 2013 | begin
|
---|
| 2014 | Canvas.Brush.Color := clHighlight;
|
---|
| 2015 | Canvas.Font.Color := clHighlightText
|
---|
| 2016 | end;
|
---|
| 2017 | Canvas.FillRect(ARect);
|
---|
[829] | 2018 | Canvas.Pen.Color := Get508CompliantColor(clSilver);
|
---|
[456] | 2019 | Canvas.MoveTo(ARect.Left, ARect.Bottom - 1);
|
---|
| 2020 | Canvas.LineTo(ARect.Right, ARect.Bottom - 1);
|
---|
| 2021 | RightSide := -2;
|
---|
| 2022 | for i := 0 to AHeader.Sections.Count - 1 do
|
---|
| 2023 | begin
|
---|
| 2024 | RightSide := RightSide + AHeader.Sections[i].Width;
|
---|
| 2025 | Canvas.MoveTo(RightSide, ARect.Bottom - 1);
|
---|
| 2026 | Canvas.LineTo(RightSide, ARect.Top);
|
---|
| 2027 | end;
|
---|
| 2028 | end;
|
---|
| 2029 | end;
|
---|
| 2030 |
|
---|
| 2031 | function ListGridRowHeight(AListBox: TListBox; AHeader: THeaderControl; ARow, AColumn: Integer;
|
---|
| 2032 | const x: string): Integer;
|
---|
| 2033 | var
|
---|
| 2034 | ARect: TRect;
|
---|
| 2035 | begin
|
---|
| 2036 | ARect := AListBox.ItemRect(ARow);
|
---|
| 2037 | ARect.Right := AHeader.Sections[AColumn].Width - 6;
|
---|
| 2038 | Result := DrawText(AListBox.Canvas.Handle, PChar(x), Length(x), ARect,
|
---|
| 2039 | DT_CALCRECT or DT_LEFT or DT_NOPREFIX or DT_WORDBREAK) + 2;
|
---|
| 2040 | end;
|
---|
| 2041 |
|
---|
| 2042 | (*
|
---|
| 2043 | procedure SetEditWidth(AMemo: TMemo; AWidth: Integer);
|
---|
| 2044 | begin
|
---|
| 2045 | //SetString(x, nil, AWidth);
|
---|
| 2046 | //for i := 1 to AWidth do x[i] := 'X';
|
---|
| 2047 | end;
|
---|
| 2048 | *)
|
---|
| 2049 |
|
---|
[1693] | 2050 | function CPRSInstances: integer;
|
---|
| 2051 | // returns the number of CPRS sessions open
|
---|
| 2052 | var
|
---|
| 2053 | AHandle: hWnd;
|
---|
| 2054 | LengthText, LengthConst, counter: Integer;
|
---|
| 2055 | CharText: array [0..254] of Char;
|
---|
| 2056 | TitleText, TitleCompare: string;
|
---|
| 2057 | const
|
---|
| 2058 | TX_IN_USE = 'VistA CPRS in use by: '; // use same as in fFrame
|
---|
| 2059 | begin
|
---|
| 2060 | counter := 0;
|
---|
| 2061 | LengthConst := length(TX_IN_USE);
|
---|
| 2062 | AHandle := FindWindow(nil, nil);
|
---|
| 2063 | while AHandle <> 0 do begin
|
---|
| 2064 | LengthText := GetWindowText(AHandle, CharText, 255);
|
---|
| 2065 | if LengthText > 0 then
|
---|
| 2066 | begin
|
---|
| 2067 | TitleText := CharText;
|
---|
| 2068 | TitleCompare := copy(TitleText, 1, LengthConst);
|
---|
| 2069 | if TitleCompare = TX_IN_USE then
|
---|
| 2070 | counter := counter + 1;
|
---|
| 2071 | end;
|
---|
| 2072 | AHandle := GetWindow(AHandle, GW_HWNDNEXT);
|
---|
| 2073 | end;
|
---|
| 2074 | Result := counter;
|
---|
| 2075 | end;
|
---|
| 2076 |
|
---|
[456] | 2077 | { You MUST pass an address to an object variable to get KillObj to work }
|
---|
| 2078 | procedure KillObj(ptr: Pointer; KillObjects: boolean = FALSE);
|
---|
| 2079 | var
|
---|
| 2080 | Obj: TObject;
|
---|
| 2081 | Lst: TList;
|
---|
| 2082 | SLst: TStringList;
|
---|
| 2083 | i: integer;
|
---|
| 2084 |
|
---|
| 2085 | begin
|
---|
| 2086 | Obj := TObject(ptr^);
|
---|
| 2087 | if(assigned(Obj)) then
|
---|
| 2088 | begin
|
---|
| 2089 | if(KillObjects) then
|
---|
| 2090 | begin
|
---|
| 2091 | if(Obj is TList) then
|
---|
| 2092 | begin
|
---|
| 2093 | Lst := TList(Obj);
|
---|
| 2094 | for i := Lst.count-1 downto 0 do
|
---|
| 2095 | if assigned(Lst[i]) then
|
---|
| 2096 | TObject(Lst[i]).Free;
|
---|
| 2097 | end
|
---|
| 2098 | else
|
---|
| 2099 | if(Obj is TStringList) then
|
---|
| 2100 | begin
|
---|
| 2101 | SLst := TStringList(Obj);
|
---|
| 2102 | for i := SLst.count-1 downto 0 do
|
---|
| 2103 | if assigned(SLst.Objects[i]) then
|
---|
| 2104 | SLst.Objects[i].Free;
|
---|
| 2105 | end;
|
---|
| 2106 | end;
|
---|
| 2107 | Obj.Free;
|
---|
| 2108 | TObject(ptr^) := nil;
|
---|
| 2109 | end;
|
---|
| 2110 | end;
|
---|
| 2111 |
|
---|
| 2112 | { Idle Processing }
|
---|
| 2113 |
|
---|
| 2114 | type
|
---|
| 2115 | TIdleCaller = class(TObject)
|
---|
| 2116 | private
|
---|
| 2117 | FTimerActive: boolean;
|
---|
| 2118 | FCallList: TStringList;
|
---|
| 2119 | FDoneList: TStringList;
|
---|
| 2120 | FOldIdler: TIdleEvent;
|
---|
| 2121 | FTimer: TTimer;
|
---|
| 2122 | protected
|
---|
| 2123 | procedure AppIdle(Sender: TObject; var Done: Boolean);
|
---|
| 2124 | procedure TimerDone(Sender: TObject);
|
---|
| 2125 | public
|
---|
| 2126 | constructor Create;
|
---|
| 2127 | destructor Destroy; override;
|
---|
| 2128 | procedure Add(CallProc, DoneProc: TORIdleCallProc; Msg: string);
|
---|
| 2129 | end;
|
---|
| 2130 |
|
---|
| 2131 | var
|
---|
| 2132 | IdleCaller: TIdleCaller = nil;
|
---|
| 2133 |
|
---|
| 2134 | { TIdleCaller }
|
---|
| 2135 |
|
---|
| 2136 | constructor TIdleCaller.Create;
|
---|
| 2137 | begin
|
---|
| 2138 | inherited;
|
---|
| 2139 | FCallList := TStringList.Create;
|
---|
| 2140 | FDoneList := TStringList.Create;
|
---|
| 2141 | FTimer := TTimer.Create(nil);
|
---|
| 2142 | FTimer.Enabled := FALSE;
|
---|
| 2143 | FTimer.Interval := 2000; // 2 seconds
|
---|
| 2144 | FTimer.OnTimer := TimerDone;
|
---|
| 2145 | FTimerActive := FALSE;
|
---|
| 2146 | FOldIdler := Application.OnIdle;
|
---|
| 2147 | Application.OnIdle := AppIdle;
|
---|
| 2148 | end;
|
---|
| 2149 |
|
---|
| 2150 | destructor TIdleCaller.Destroy;
|
---|
| 2151 | begin
|
---|
| 2152 | Application.OnIdle := FOldIdler;
|
---|
| 2153 | FTimer.Enabled := FALSE;
|
---|
| 2154 | KillObj(@FTimer);
|
---|
| 2155 | KillObj(@FDoneList);
|
---|
| 2156 | KillObj(@FCallList);
|
---|
| 2157 | inherited;
|
---|
| 2158 | end;
|
---|
| 2159 |
|
---|
| 2160 | procedure TIdleCaller.AppIdle(Sender: TObject; var Done: Boolean);
|
---|
| 2161 | begin
|
---|
| 2162 | if(not FTimerActive) and (FCallList.Count > 0) then
|
---|
| 2163 | begin
|
---|
| 2164 | FTimer.Enabled := TRUE;
|
---|
| 2165 | FTimerActive := TRUE;
|
---|
| 2166 | end;
|
---|
| 2167 | if assigned(FOldIdler) then
|
---|
| 2168 | FOldIdler(Sender, Done);
|
---|
| 2169 | end;
|
---|
| 2170 |
|
---|
| 2171 | procedure TIdleCaller.Add(CallProc, DoneProc: TORIdleCallProc; Msg: string);
|
---|
| 2172 | begin
|
---|
| 2173 | FCallList.AddObject(Msg, TObject(@CallProc));
|
---|
| 2174 | FDoneList.AddObject(Msg, TObject(@DoneProc));
|
---|
| 2175 | end;
|
---|
| 2176 |
|
---|
| 2177 | procedure TIdleCaller.TimerDone(Sender: TObject);
|
---|
| 2178 | var
|
---|
| 2179 | CallProc, DoneProc: TORIdleCallProc;
|
---|
| 2180 | CallMsg, DoneMsg: string;
|
---|
| 2181 |
|
---|
| 2182 | begin
|
---|
| 2183 | FTimer.Enabled := FALSE;
|
---|
| 2184 | CallProc := TORIdleCallProc(FCallList.Objects[0]);
|
---|
| 2185 | CallMsg := FCallList[0];
|
---|
| 2186 | DoneProc := TORIdleCallProc(FDoneList.Objects[0]);
|
---|
| 2187 | DoneMsg := FDoneList[0];
|
---|
| 2188 | FCallList.Delete(0);
|
---|
| 2189 | FDoneList.Delete(0);
|
---|
| 2190 |
|
---|
| 2191 | if(assigned(CallProc)) then
|
---|
| 2192 | CallProc(CallMsg);
|
---|
| 2193 | if(assigned(DoneProc)) then
|
---|
| 2194 | DoneProc(DoneMsg);
|
---|
| 2195 |
|
---|
| 2196 | FTimerActive := FALSE;
|
---|
| 2197 | end;
|
---|
| 2198 |
|
---|
| 2199 | { do NOT use CallWhenIdle to call RPCs. Use CallRPCWhenIdle in ORNet. }
|
---|
| 2200 | procedure CallWhenIdle(CallProc: TORIdleCallProc; Msg: String);
|
---|
| 2201 | begin
|
---|
| 2202 | if(not assigned(IdleCaller)) then
|
---|
| 2203 | IdleCaller := TIdleCaller.Create;
|
---|
| 2204 | IdleCaller.Add(CallProc, nil, Msg);
|
---|
| 2205 | end;
|
---|
| 2206 |
|
---|
| 2207 | procedure CallWhenIdleNotifyWhenDone(CallProc, DoneProc: TORIdleCallProc; Msg: String);
|
---|
| 2208 | begin
|
---|
| 2209 | if(not assigned(IdleCaller)) then
|
---|
| 2210 | IdleCaller := TIdleCaller.Create;
|
---|
| 2211 | IdleCaller.Add(CallProc, DoneProc, Msg);
|
---|
| 2212 | end;
|
---|
| 2213 |
|
---|
| 2214 | procedure menuHideAllBut(aMenuItem: tMenuItem; butItems: array of tMenuItem);
|
---|
| 2215 | var
|
---|
| 2216 | aCount, bCount: integer;
|
---|
| 2217 | butFound: boolean;
|
---|
| 2218 | begin
|
---|
| 2219 | for aCount := 0 to (aMenuItem.count - 1) do // Iterate through menu items.
|
---|
| 2220 | begin
|
---|
| 2221 | butFound := false;
|
---|
| 2222 | for bCount := 0 to (length(butItems) - 1) do // Check for match in exceptions array.
|
---|
| 2223 | begin
|
---|
| 2224 | if (aMenuItem.items[aCount] = butItems[bCount]) then
|
---|
| 2225 | begin
|
---|
| 2226 | butFound := true;
|
---|
| 2227 | break;
|
---|
| 2228 | end;
|
---|
| 2229 | end;
|
---|
| 2230 | if (not butFound) then
|
---|
| 2231 | aMenuItem.items[aCount].visible := false; // Hide menu item if not an exception.
|
---|
| 2232 | end;
|
---|
| 2233 | end;
|
---|
| 2234 |
|
---|
| 2235 | function TabIsPressed : Boolean;
|
---|
| 2236 | begin
|
---|
| 2237 | Result := Boolean(Hi(GetKeyState(VK_TAB))) and not Boolean(Hi(GetKeyState(VK_SHIFT)));
|
---|
[829] | 2238 | Result := Result and not Boolean(Hi(GetKeyState(VK_CONTROL)));
|
---|
[456] | 2239 | end;
|
---|
| 2240 |
|
---|
| 2241 | function ShiftTabIsPressed : Boolean;
|
---|
| 2242 | begin
|
---|
| 2243 | Result := Boolean(Hi(GetKeyState(VK_TAB))) and Boolean(Hi(GetKeyState(VK_SHIFT)));
|
---|
[829] | 2244 | Result := Result and not Boolean(Hi(GetKeyState(VK_CONTROL)));
|
---|
[456] | 2245 | end;
|
---|
| 2246 |
|
---|
[829] | 2247 | function EnterIsPressed : Boolean;
|
---|
| 2248 | begin
|
---|
| 2249 | Result := Boolean(Hi(GetKeyState(VK_RETURN)));
|
---|
| 2250 | end;
|
---|
[456] | 2251 |
|
---|
[1693] | 2252 | procedure ScrollControl(Window: TScrollingWinControl; ScrollingUp: boolean; Amount: integer = 40);
|
---|
| 2253 | var
|
---|
| 2254 | Delta: integer;
|
---|
| 2255 |
|
---|
| 2256 | // This is needed to tell the child components that they are moving,
|
---|
| 2257 | // The TORCombo box, for example, needs to close a dropped down window when it moves.
|
---|
| 2258 | // If Delphi had used standard scroll bars, instead of the customized flat ones, this
|
---|
| 2259 | // code wouldn't be needed
|
---|
| 2260 | procedure SendMoveMessage(Ctrl: TWinControl);
|
---|
| 2261 | var
|
---|
| 2262 | i: integer;
|
---|
| 2263 | begin
|
---|
| 2264 | for i := 0 to Ctrl.ControlCount - 1 do
|
---|
| 2265 | begin
|
---|
| 2266 | if Ctrl.Controls[i] is TWinControl then with TWinControl(Ctrl.Controls[i]) do
|
---|
| 2267 | begin
|
---|
| 2268 | SendMessage(Handle, WM_MOVE, 0, (Top * 65536) + Left);
|
---|
| 2269 | SendMoveMessage(TWinControl(Ctrl.Controls[i]));
|
---|
| 2270 | end;
|
---|
| 2271 | end;
|
---|
| 2272 | end;
|
---|
| 2273 |
|
---|
| 2274 | begin
|
---|
| 2275 | Delta := Amount;
|
---|
| 2276 | if ScrollingUp then
|
---|
| 2277 | begin
|
---|
| 2278 | if Window.VertScrollBar.Position < Delta then
|
---|
| 2279 | Delta := Window.VertScrollBar.Position;
|
---|
| 2280 | Delta := - Delta;
|
---|
| 2281 | end
|
---|
| 2282 | else
|
---|
| 2283 | begin
|
---|
| 2284 | if (Window.VertScrollBar.Range - Window.VertScrollBar.Position) < Delta then
|
---|
| 2285 | Delta := Window.VertScrollBar.Range - Window.VertScrollBar.Position;
|
---|
| 2286 | end;
|
---|
| 2287 | if Delta <> 0 then
|
---|
| 2288 | begin
|
---|
| 2289 | Window.VertScrollBar.Position := Window.VertScrollBar.Position + Delta;
|
---|
| 2290 | SendMoveMessage(Window);
|
---|
| 2291 | end;
|
---|
| 2292 | end;
|
---|
| 2293 |
|
---|
[456] | 2294 | initialization
|
---|
| 2295 | FBaseFont := TFont.Create;
|
---|
| 2296 | FBaseFont.Name := BaseFontName;
|
---|
| 2297 | FBaseFont.Size := BaseFontSize;
|
---|
[829] | 2298 | ScrollBarHeight := GetSystemMetrics(SM_CYHSCROLL);
|
---|
| 2299 | AlignList := TStringList.Create;
|
---|
| 2300 | AnchorList := TStringList.Create;
|
---|
| 2301 | PURE_BLACK := ColorToRGB(clBlack);
|
---|
[456] | 2302 |
|
---|
| 2303 | finalization
|
---|
| 2304 | FBaseFont.Free;
|
---|
| 2305 | KillObj(@IdleCaller);
|
---|
[829] | 2306 | FreeAndNil(AlignList);
|
---|
| 2307 | FreeAndNil(AnchorList);
|
---|
[456] | 2308 |
|
---|
| 2309 | end.
|
---|