| [456] | 1 | unit ORFn; | 
|---|
|  | 2 |  | 
|---|
|  | 3 | {$OPTIMIZATION OFF} | 
|---|
|  | 4 |  | 
|---|
|  | 5 | interface  // -------------------------------------------------------------------------------- | 
|---|
|  | 6 |  | 
|---|
|  | 7 | uses SysUtils, Windows, Messages, Classes, Controls, StdCtrls, ExtCtrls, ComCtrls, Forms, | 
|---|
| [829] | 8 | Graphics, Menus, RichEdit, Buttons; | 
|---|
| [456] | 9 |  | 
|---|
|  | 10 | const | 
|---|
|  | 11 | U = '^'; | 
|---|
|  | 12 | CRLF = #13#10; | 
|---|
|  | 13 | BOOLCHAR: array[Boolean] of Char = ('0', '1'); | 
|---|
|  | 14 | UM_STATUSTEXT = (WM_USER + 302);               // used to send update status msg to main form | 
|---|
|  | 15 |  | 
|---|
| [829] | 16 | var | 
|---|
|  | 17 | ScrollBarHeight: integer = 0; | 
|---|
|  | 18 |  | 
|---|
| [456] | 19 | type | 
|---|
|  | 20 | TFMDateTime = Double; | 
|---|
|  | 21 | TORIdleCallProc = procedure(Msg: string); | 
|---|
|  | 22 |  | 
|---|
|  | 23 | { Date/Time functions } | 
|---|
|  | 24 | function DateTimeToFMDateTime(ADateTime: TDateTime): TFMDateTime; | 
|---|
|  | 25 | function FMDateTimeToDateTime(ADateTime: TFMDateTime): TDateTime; | 
|---|
|  | 26 | function FMDateTimeOffsetBy(ADateTime: TFMDateTime; DaysDiff: Integer): TFMDateTime; | 
|---|
|  | 27 | function FormatFMDateTime(AFormat: string; ADateTime: TFMDateTime): string; | 
|---|
|  | 28 | function FormatFMDateTimeStr(const AFormat, ADateTime: string): string; | 
|---|
|  | 29 | function IsFMDateTime(x: string): Boolean; | 
|---|
|  | 30 | function MakeFMDateTime(const AString: string): TFMDateTime; | 
|---|
|  | 31 | procedure SetListFMDateTime(AFormat: string; AList: TStringList; ADelim: Char; | 
|---|
|  | 32 | PieceNum: Integer; KeepBad: boolean = FALSE); | 
|---|
|  | 33 |  | 
|---|
|  | 34 | { Numeric functions } | 
|---|
|  | 35 | function HigherOf(i, j: Integer): Integer; | 
|---|
|  | 36 | function LowerOf(i, j: Integer): Integer; | 
|---|
|  | 37 | function StrToFloatDef(const S: string; ADefault: Extended): Extended; | 
|---|
| [1679] | 38 | function RectContains(Rect: TRect; Point: TPoint): boolean; | 
|---|
| [456] | 39 |  | 
|---|
|  | 40 | { String functions } | 
|---|
|  | 41 | function CharAt(const x: string; APos: Integer): Char; | 
|---|
|  | 42 | function ContainsAlpha(const x: string): Boolean; | 
|---|
|  | 43 | function ContainsVisibleChar(const x: string): Boolean; | 
|---|
| [1679] | 44 | function ContainsUpCarretChar(const x: string): Boolean; | 
|---|
| [456] | 45 | function ConvertSpecialStrings(const x: string): String; | 
|---|
|  | 46 | function CRCForFile(AFileName: string): DWORD; | 
|---|
|  | 47 | function CRCForStrings(AStringList: TStrings): DWORD; | 
|---|
|  | 48 | procedure ExpandTabsFilter(AList: TStrings; ATabWidth: Integer); | 
|---|
|  | 49 | function ExtractInteger(x: string): Integer; | 
|---|
|  | 50 | function ExtractFloat(x: string): Extended; | 
|---|
|  | 51 | function ExtractDefault(Src: TStrings; const Section: string): string; | 
|---|
|  | 52 | procedure ExtractItems(Dest, Src: TStrings; const Section: string); | 
|---|
|  | 53 | procedure ExtractText(Dest, Src: TStrings; const Section: string); | 
|---|
|  | 54 | function FilteredString(const x: string; ATabWidth: Integer = 8): string; | 
|---|
|  | 55 | procedure InvertStringList(AList: TStringList); | 
|---|
|  | 56 | procedure LimitStringLength(var AList: TStringList; MaxLength: Integer); | 
|---|
|  | 57 | function MixedCase(const x: string): string; | 
|---|
|  | 58 | procedure MixedCaseList(AList: TStrings); | 
|---|
|  | 59 | procedure MixedCaseByPiece(AList: TStrings; ADelim: Char; PieceNum: Integer); | 
|---|
|  | 60 | function Piece(const S: string; Delim: char; PieceNum: Integer): string; | 
|---|
|  | 61 | function Pieces(const S: string; Delim: char; FirstNum, LastNum: Integer): string; | 
|---|
|  | 62 | function ComparePieces(P1, P2: string; Pieces: array of integer; Delim: | 
|---|
|  | 63 | char = '^'; CaseInsensitive: boolean = FALSE): integer; | 
|---|
|  | 64 | procedure PiecesToList(x: string; ADelim: Char; AList: TStrings); | 
|---|
|  | 65 | function ReverseStr(const x: string): string; | 
|---|
|  | 66 | procedure SetPiece(var x: string; Delim: Char; PieceNum: Integer; const NewPiece: string); | 
|---|
|  | 67 | procedure SetPieces(var x: string; Delim: Char; Pieces: Array of Integer; | 
|---|
|  | 68 | FromString: string); | 
|---|
|  | 69 | procedure SortByPiece(AList: TStringList; ADelim: Char; PieceNum: Integer); | 
|---|
|  | 70 | function DelimCount(const Str, Delim: string): integer; | 
|---|
|  | 71 | procedure QuickCopy(AFrom, ATo: TObject); | 
|---|
| [829] | 72 | procedure QuickAdd(AFrom, ATo: TObject); | 
|---|
|  | 73 | procedure FastAssign(source, destination: TStrings); | 
|---|
|  | 74 | procedure FastAddStrings(source, destination: TStrings); | 
|---|
| [456] | 75 | function ValidFileName(const InitialFileName: string): string; | 
|---|
|  | 76 |  | 
|---|
|  | 77 | { Display functions } | 
|---|
|  | 78 | procedure ForceInsideWorkArea( var Rect: TRect); | 
|---|
|  | 79 | //procedure ClearControl(AControl: TControl); | 
|---|
|  | 80 | function InfoBox(const Text, Caption: string; Flags: Word): Integer; | 
|---|
|  | 81 | procedure LimitEditWidth(AControl: TWinControl; NumChars: Integer); | 
|---|
|  | 82 | function MainFont: TFont; | 
|---|
|  | 83 | function MainFontSize: Integer; | 
|---|
|  | 84 | function MainFontWidth: Integer; | 
|---|
|  | 85 | function MainFontHeight: Integer; | 
|---|
|  | 86 | function BaseFont: TFont; | 
|---|
|  | 87 | procedure RedrawSuspend(AHandle: HWnd); | 
|---|
|  | 88 | procedure RedrawActivate(AHandle: HWnd); | 
|---|
|  | 89 | //procedure ResetControl(AControl: TControl); | 
|---|
|  | 90 | procedure ResetSelectedForList(AListBox: TListBox); | 
|---|
|  | 91 | procedure ResizeFormToFont(AForm: TForm); | 
|---|
|  | 92 | procedure ResizeAnchoredFormToFont( AForm: TForm); | 
|---|
| [829] | 93 | procedure AdjustForWindowsXPStyleTitleBar(AForm: TForm); | 
|---|
| [456] | 94 | function ResizeWidth( OldFont: TFont; NewFont: TFont; OldWidth: integer): integer; | 
|---|
|  | 95 | function ResizeHeight( OldFont: TFont; NewFont: TFont; OldHeight: integer): integer; | 
|---|
|  | 96 | procedure ResizeToFont(FontSize: Integer; var W, H: Integer); | 
|---|
|  | 97 | procedure SetEqualTabStops(AControl: TControl; TabWidth: Integer = 8); | 
|---|
|  | 98 | procedure StatusText(const S: string); | 
|---|
|  | 99 | function ShowMsgOn(AnExpression: Boolean; const AMsg, ACaption: string): Boolean; | 
|---|
|  | 100 | function TextWidthByFont(AFontHandle: THandle; const x: string): Integer; | 
|---|
|  | 101 | function TextHeightByFont(AFontHandle: THandle; const x: string): Integer; | 
|---|
|  | 102 | function WrappedTextHeightByFont(Canvas: TCanvas; NewFont: TFont; ItemText: string; var ARect: TRect): integer; | 
|---|
|  | 103 | function NumCharsFitInWidth(AFontHandle: THandle; const x: string; const MaxLen: integer): Integer; | 
|---|
|  | 104 | function PopupComponent(Sender: TObject; PopupMenu: TPopupMenu): TComponent; | 
|---|
|  | 105 | procedure ReformatMemoParagraph(AMemo: TCustomMemo); | 
|---|
|  | 106 |  | 
|---|
| [829] | 107 | function BlackColorScheme: Boolean; | 
|---|
|  | 108 | function NormalColorScheme: Boolean; | 
|---|
|  | 109 | function Get508CompliantColor(Color: TColor): TColor; | 
|---|
|  | 110 | procedure UpdateColorsFor508Compliance(control: TControl; InputEditControl: boolean = FALSE); | 
|---|
|  | 111 | procedure UpdateReadOnlyColorScheme(Control: TControl; ReadOnly: boolean); | 
|---|
|  | 112 |  | 
|---|
| [456] | 113 | { ListBox Grid functions } | 
|---|
|  | 114 | procedure ListGridDrawCell(AListBox: TListBox; AHeader: THeaderControl; ARow, AColumn: Integer; | 
|---|
|  | 115 | const x: string; WordWrap: Boolean); | 
|---|
|  | 116 | procedure ListGridDrawLines(AListBox: TListBox; AHeader: THeaderControl; Index: Integer; | 
|---|
|  | 117 | State: TOwnerDrawState); | 
|---|
|  | 118 | function ListGridRowHeight(AListBox: TListBox; AHeader: THeaderControl; ARow, AColumn: Integer; | 
|---|
|  | 119 | const x: string): Integer; | 
|---|
|  | 120 |  | 
|---|
|  | 121 | { Misc functions } | 
|---|
| [1679] | 122 | function CPRSInstances: integer; | 
|---|
| [456] | 123 | { You MUST pass an address to an object variable to get KillObj to work } | 
|---|
|  | 124 | procedure KillObj(ptr: Pointer; KillObjects: boolean = FALSE); | 
|---|
|  | 125 |  | 
|---|
|  | 126 | { do NOT use CallWhenIdle to call RPCs.  Use CallRPCWhenIdle in ORNet } | 
|---|
|  | 127 | procedure CallWhenIdle(CallProc: TORIdleCallProc; Msg: String); | 
|---|
|  | 128 | procedure CallWhenIdleNotifyWhenDone(CallProc, DoneProc: TORIdleCallProc; Msg: String); | 
|---|
| [1679] | 129 |  | 
|---|
| [456] | 130 | procedure menuHideAllBut(aMenuItem: tMenuItem; butItems: array of tMenuItem); | 
|---|
|  | 131 | function TabIsPressed : Boolean; | 
|---|
|  | 132 | function ShiftTabIsPressed : Boolean; | 
|---|
| [829] | 133 | function EnterIsPressed : Boolean; | 
|---|
| [1679] | 134 | procedure ScrollControl(Window: TScrollingWinControl; ScrollingUp: boolean; Amount: integer = 40); | 
|---|
| [456] | 135 |  | 
|---|
|  | 136 | implementation  // --------------------------------------------------------------------------- | 
|---|
|  | 137 |  | 
|---|
|  | 138 | uses | 
|---|
| [829] | 139 | ORCtrls, Grids, Chart, CheckLst, VAUtils; | 
|---|
| [456] | 140 |  | 
|---|
|  | 141 | const | 
|---|
|  | 142 | { names of months used by FormatFMDateTime } | 
|---|
|  | 143 | MONTH_NAMES_SHORT: array[1..12] of string[3] = | 
|---|
|  | 144 | ('Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec'); | 
|---|
|  | 145 | MONTH_NAMES_LONG:  array[1..12] of string[9] = | 
|---|
|  | 146 | ('January','February','March','April','May','June','July','August','September','October', | 
|---|
|  | 147 | 'November', 'December'); | 
|---|
|  | 148 |  | 
|---|
|  | 149 | // ConvertSpecialStrings arrays | 
|---|
|  | 150 | SearchChars:  array[0..7] of String = (' Ii ',' Iii ',' Iv ',' Vi ',' Vii ',' Viii ',' Ix ','-Va'); | 
|---|
|  | 151 | ReplaceChars: array[0..7] of String = (' II ',' III ',' IV ',' VI ',' VII ',' VIII ',' IX ','-VA'); | 
|---|
|  | 152 |  | 
|---|
|  | 153 | { table for calculating CRC values (DWORD is Integer in Delphi 3, Cardinal in Delphi 4} | 
|---|
|  | 154 | CRC32_TABLE: array[0..255] of DWORD = | 
|---|
|  | 155 | ($0,       $77073096, $EE0E612C, $990951BA, $76DC419,  $706AF48F, $E963A535, $9E6495A3, | 
|---|
|  | 156 | $EDB8832,  $79DCB8A4, $E0D5E91E, $97D2D988, $9B64C2B,  $7EB17CBD, $E7B82D07, $90BF1D91, | 
|---|
|  | 157 | $1DB71064, $6AB020F2, $F3B97148, $84BE41DE, $1ADAD47D, $6DDDE4EB, $F4D4B551, $83D385C7, | 
|---|
|  | 158 | $136C9856, $646BA8C0, $FD62F97A, $8A65C9EC, $14015C4F, $63066CD9, $FA0F3D63, $8D080DF5, | 
|---|
|  | 159 | $3B6E20C8, $4C69105E, $D56041E4, $A2677172, $3C03E4D1, $4B04D447, $D20D85FD, $A50AB56B, | 
|---|
|  | 160 | $35B5A8FA, $42B2986C, $DBBBC9D6, $ACBCF940, $32D86CE3, $45DF5C75, $DCD60DCF, $ABD13D59, | 
|---|
|  | 161 | $26D930AC, $51DE003A, $C8D75180, $BFD06116, $21B4F4B5, $56B3C423, $CFBA9599, $B8BDA50F, | 
|---|
|  | 162 | $2802B89E, $5F058808, $C60CD9B2, $B10BE924, $2F6F7C87, $58684C11, $C1611DAB, $B6662D3D, | 
|---|
|  | 163 | $76DC4190, $1DB7106,  $98D220BC, $EFD5102A, $71B18589, $6B6B51F,  $9FBFE4A5, $E8B8D433, | 
|---|
|  | 164 | $7807C9A2, $F00F934,  $9609A88E, $E10E9818, $7F6A0DBB, $86D3D2D,  $91646C97, $E6635C01, | 
|---|
|  | 165 | $6B6B51F4, $1C6C6162, $856530D8, $F262004E, $6C0695ED, $1B01A57B, $8208F4C1, $F50FC457, | 
|---|
|  | 166 | $65B0D9C6, $12B7E950, $8BBEB8EA, $FCB9887C, $62DD1DDF, $15DA2D49, $8CD37CF3, $FBD44C65, | 
|---|
|  | 167 | $4DB26158, $3AB551CE, $A3BC0074, $D4BB30E2, $4ADFA541, $3DD895D7, $A4D1C46D, $D3D6F4FB, | 
|---|
|  | 168 | $4369E96A, $346ED9FC, $AD678846, $DA60B8D0, $44042D73, $33031DE5, $AA0A4C5F, $DD0D7CC9, | 
|---|
|  | 169 | $5005713C, $270241AA, $BE0B1010, $C90C2086, $5768B525, $206F85B3, $B966D409, $CE61E49F, | 
|---|
|  | 170 | $5EDEF90E, $29D9C998, $B0D09822, $C7D7A8B4, $59B33D17, $2EB40D81, $B7BD5C3B, $C0BA6CAD, | 
|---|
|  | 171 | $EDB88320, $9ABFB3B6, $3B6E20C,  $74B1D29A, $EAD54739, $9DD277AF, $4DB2615,  $73DC1683, | 
|---|
|  | 172 | $E3630B12, $94643B84, $D6D6A3E,  $7A6A5AA8, $E40ECF0B, $9309FF9D, $A00AE27,  $7D079EB1, | 
|---|
|  | 173 | $F00F9344, $8708A3D2, $1E01F268, $6906C2FE, $F762575D, $806567CB, $196C3671, $6E6B06E7, | 
|---|
|  | 174 | $FED41B76, $89D32BE0, $10DA7A5A, $67DD4ACC, $F9B9DF6F, $8EBEEFF9, $17B7BE43, $60B08ED5, | 
|---|
|  | 175 | $D6D6A3E8, $A1D1937E, $38D8C2C4, $4FDFF252, $D1BB67F1, $A6BC5767, $3FB506DD, $48B2364B, | 
|---|
|  | 176 | $D80D2BDA, $AF0A1B4C, $36034AF6, $41047A60, $DF60EFC3, $A867DF55, $316E8EEF, $4669BE79, | 
|---|
|  | 177 | $CB61B38C, $BC66831A, $256FD2A0, $5268E236, $CC0C7795, $BB0B4703, $220216B9, $5505262F, | 
|---|
|  | 178 | $C5BA3BBE, $B2BD0B28, $2BB45A92, $5CB36A04, $C2D7FFA7, $B5D0CF31, $2CD99E8B, $5BDEAE1D, | 
|---|
|  | 179 | $9B64C2B0, $EC63F226, $756AA39C, $26D930A,  $9C0906A9, $EB0E363F, $72076785, $5005713, | 
|---|
|  | 180 | $95BF4A82, $E2B87A14, $7BB12BAE, $CB61B38,  $92D28E9B, $E5D5BE0D, $7CDCEFB7, $BDBDF21, | 
|---|
|  | 181 | $86D3D2D4, $F1D4E242, $68DDB3F8, $1FDA836E, $81BE16CD, $F6B9265B, $6FB077E1, $18B74777, | 
|---|
|  | 182 | $88085AE6, $FF0F6A70, $66063BCA, $11010B5C, $8F659EFF, $F862AE69, $616BFFD3, $166CCF45, | 
|---|
|  | 183 | $A00AE278, $D70DD2EE, $4E048354, $3903B3C2, $A7672661, $D06016F7, $4969474D, $3E6E77DB, | 
|---|
|  | 184 | $AED16A4A, $D9D65ADC, $40DF0B66, $37D83BF0, $A9BCAE53, $DEBB9EC5, $47B2CF7F, $30B5FFE9, | 
|---|
|  | 185 | $BDBDF21C, $CABAC28A, $53B39330, $24B4A3A6, $BAD03605, $CDD70693, $54DE5729, $23D967BF, | 
|---|
|  | 186 | $B3667A2E, $C4614AB8, $5D681B02, $2A6F2B94, $B40BBE37, $C30C8EA1, $5A05DF1B, $2D02EF8D); | 
|---|
|  | 187 |  | 
|---|
|  | 188 | {Properties assigned to BaseFont} | 
|---|
|  | 189 | BaseFontSize = 8; | 
|---|
|  | 190 | BaseFontName = 'MS Sans Serif'; | 
|---|
|  | 191 | var | 
|---|
|  | 192 | FBaseFont: TFont; | 
|---|
|  | 193 | type | 
|---|
|  | 194 | EFMDateTimeError = class(Exception); | 
|---|
|  | 195 |  | 
|---|
|  | 196 | {TFontControl is an artifact used for font resizing.  Do not add virtual | 
|---|
|  | 197 | methods or class variables to it!} | 
|---|
|  | 198 | TFontControl = class(TControl) | 
|---|
|  | 199 | public | 
|---|
|  | 200 | property Font; | 
|---|
|  | 201 | property ParentFont; | 
|---|
|  | 202 | end; | 
|---|
|  | 203 |  | 
|---|
|  | 204 | { Date/Time functions } | 
|---|
|  | 205 |  | 
|---|
|  | 206 | function DateTimeToFMDateTime(ADateTime: TDateTime): TFMDateTime; | 
|---|
|  | 207 | { converts a Delphi date/time type to a Fileman date/time (type double) } | 
|---|
|  | 208 | var | 
|---|
|  | 209 | y, m, d, h, n, s, l: Word; | 
|---|
|  | 210 | DatePart,TimePart: Integer; | 
|---|
|  | 211 | begin | 
|---|
|  | 212 | DecodeDate(ADateTime, y, m, d); | 
|---|
|  | 213 | DecodeTime(ADateTime, h, n, s, l); | 
|---|
|  | 214 | DatePart := ((y-1700)*10000) + (m*100) + d; | 
|---|
|  | 215 | TimePart := (h*10000) + (n*100) + s; | 
|---|
|  | 216 | Result :=  DatePart + (TimePart / 1000000); | 
|---|
|  | 217 | end; | 
|---|
|  | 218 |  | 
|---|
|  | 219 | function FMDateTimeToDateTime(ADateTime: TFMDateTime): TDateTime; | 
|---|
|  | 220 | { converts a Fileman date/time (type double) to a Delphi date/time } | 
|---|
|  | 221 | var | 
|---|
|  | 222 | ADate, ATime: TDateTime; | 
|---|
|  | 223 | DatePart, TimePart: string; | 
|---|
|  | 224 | begin | 
|---|
|  | 225 | DatePart := Piece(FloatToStrF(ADateTime, ffFixed, 14, 6), '.', 1); | 
|---|
|  | 226 | TimePart := Piece(FloatToStrF(ADateTime, ffFixed, 14, 6), '.', 2) + '000000'; | 
|---|
|  | 227 | if Length(DatePart) <> 7 then raise EFMDateTimeError.Create('Invalid Fileman Date'); | 
|---|
|  | 228 | if Copy(TimePart, 1, 2) = '24' then TimePart := '23595959'; | 
|---|
|  | 229 | ADate := EncodeDate(StrToInt(Copy(DatePart, 1, 3)) + 1700, | 
|---|
|  | 230 | StrToInt(Copy(DatePart, 4, 2)), | 
|---|
|  | 231 | StrToInt(Copy(DatePart, 6, 2))); | 
|---|
|  | 232 | ATime := EncodeTime(StrToInt(Copy(TimePart, 1, 2)), | 
|---|
|  | 233 | StrToInt(Copy(TimePart, 3, 2)), | 
|---|
|  | 234 | StrToInt(Copy(TimePart, 5, 2)), 0); | 
|---|
|  | 235 | Result := ADate + ATime; | 
|---|
|  | 236 | end; | 
|---|
|  | 237 |  | 
|---|
|  | 238 | function FMDateTimeOffsetBy(ADateTime: TFMDateTime; DaysDiff: Integer): TFMDateTime; | 
|---|
|  | 239 | { adds / subtracts days from a Fileman date/time and returns the offset Fileman date/time } | 
|---|
|  | 240 | var | 
|---|
|  | 241 | Julian: TDateTime; | 
|---|
|  | 242 | begin | 
|---|
|  | 243 | Julian := FMDateTimeToDateTime(ADateTime); | 
|---|
|  | 244 | Result := DateTimeToFMDateTime(Julian + DaysDiff); | 
|---|
|  | 245 | end; | 
|---|
|  | 246 |  | 
|---|
|  | 247 | function FormatFMDateTime(AFormat: string; ADateTime: TFMDateTime): string; | 
|---|
|  | 248 | { formats a Fileman Date/Time using (mostly) the same format string as Delphi FormatDateTime } | 
|---|
|  | 249 | var | 
|---|
|  | 250 | x: string; | 
|---|
|  | 251 | y, m, d, h, n, s: Integer; | 
|---|
|  | 252 |  | 
|---|
|  | 253 | function TrimFormatCount: Integer; | 
|---|
|  | 254 | { delete repeating characters and count how many were deleted } | 
|---|
|  | 255 | var | 
|---|
|  | 256 | c: Char; | 
|---|
|  | 257 | begin | 
|---|
|  | 258 | Result := 0; | 
|---|
|  | 259 | c := AFormat[1]; | 
|---|
|  | 260 | repeat | 
|---|
|  | 261 | Delete(AFormat, 1, 1); | 
|---|
|  | 262 | Inc(Result); | 
|---|
|  | 263 | until CharAt(AFormat, 1) <> c; | 
|---|
|  | 264 | end; | 
|---|
|  | 265 |  | 
|---|
|  | 266 | begin {FormatFMDateTime} | 
|---|
|  | 267 | Result := ''; | 
|---|
|  | 268 | if not (ADateTime > 0) then Exit; | 
|---|
|  | 269 | x := FloatToStrF(ADateTime, ffFixed, 15, 6) + '0000000'; | 
|---|
|  | 270 | y := StrToIntDef(Copy(x,  1, 3), 0) + 1700; | 
|---|
|  | 271 | m := StrToIntDef(Copy(x,  4, 2), 0); | 
|---|
|  | 272 | d := StrToIntDef(Copy(x,  6, 2), 0); | 
|---|
|  | 273 | h := StrToIntDef(Copy(x,  9, 2), 0); | 
|---|
|  | 274 | n := StrToIntDef(Copy(x, 11, 2), 0); | 
|---|
|  | 275 | s := StrToIntDef(Copy(x, 13, 2), 0); | 
|---|
|  | 276 | while Length(AFormat) > 0 do | 
|---|
|  | 277 | case UpCase(AFormat[1]) of | 
|---|
|  | 278 | '"': begin                                                                 // literal | 
|---|
|  | 279 | Delete(AFormat, 1, 1); | 
|---|
|  | 280 | while not (CharAt(AFormat, 1) in [#0, '"']) do | 
|---|
|  | 281 | begin | 
|---|
|  | 282 | Result := Result + AFormat[1]; | 
|---|
|  | 283 | Delete(AFormat, 1, 1); | 
|---|
|  | 284 | end; | 
|---|
|  | 285 | if CharAt(AFormat, 1) = '"' then Delete(AFormat, 1, 1); | 
|---|
|  | 286 | end; | 
|---|
|  | 287 | 'D': case TrimFormatCount of                                               // day/date | 
|---|
|  | 288 | 1: if d > 0 then Result := Result + IntToStr(d); | 
|---|
|  | 289 | 2: if d > 0 then Result := Result + FormatFloat('00', d); | 
|---|
|  | 290 | end; | 
|---|
|  | 291 | 'H': case TrimFormatCount of                                               // hour | 
|---|
|  | 292 | 1: Result := Result + IntToStr(h); | 
|---|
|  | 293 | 2: Result := Result + FormatFloat('00', h); | 
|---|
|  | 294 | end; | 
|---|
|  | 295 | 'M': case TrimFormatCount of                                               // month | 
|---|
|  | 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 |  | 
|---|
| [1679] | 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; | 
|---|
| [1679] | 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 |  | 
|---|
| [1679] | 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 |  | 
|---|
| [1679] | 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. | 
|---|