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uTLH.ComponentTools.pas
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uTLH.ComponentTools.pas
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{
TetzkatLipHoka 2015-2020
uTLH: ComponentTools
Last updated: 10/16/2019
}
{
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~TCheckListBox~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CheckListBoxCheckCount - Returns count of checked entrys
CheckListBoxReturnRandomChecked - Returns random checked item-index
CheckListBoxReturnCheckedIndex - Returns itemindex of checked item
CheckListBoxReturnSelectedIndex - Returns itemindex of selected item
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~TListBox~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ListBoxUnselectAll - UnSelect all Items
ListBoxSelectIndex - Select specific Item
AddHorizontalScrollbar - Add Horizontal Scrollbars to TListBox/TDirectoryListBox & TFileListBox
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Other~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
WinControlColor - Change TTrackBar BackgroundColor (only unThemed)
TopControlAtPos - Return TopMost TControl for given ClientCoordinates
ClassIsOrIsDescendent - Returns true is Class is of type ClassName or is descended of it
ComponentIsOnClass - Returns the ParentComponent of ClassType 'ClassName' for given Component if there is one
ControlHasClassOnIt - Returns the ChildComponent of ClassType 'ClassName' for given Component if there is one
ScaledPixelToUnscaledPixel - Returns unscaled Pixel-Cordinate from Scaled-TImage
ScaleFactorsFromImage - Returns X/Y scalefactors for Scaled-TImage
SortTMonitors - Returns ID-List for TMonitor in logical order (Left->Right & Top->Bottom)
IncDecNumberAsString - Increase or Decrease Number (Int/Float/Hex) as String starting at given Position
OnKeyPressCheckChar - Check if Char is suitable for given type (Signed, Unsigned, Float, Extended, Hex, Date)
OnKeyDownManipulateNumbersViaUpDown - Increase/decrease Numbers with UP/DOWN-Keys depending to CursorPosition
JumpLines - Calculate Jump-Lines for Keystone/Capstone
ShowTextPopupMenu - Show System-PopupMenu for TextEdits
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~TScrollBox~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add Scrolling-Events
Add MouseWheel/MouseHWheel-Events (Message, for relay)
Add KeyDown/KeyUp-Events (Message, for relay)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~TRichEdit/TMemo~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add Scrolling-Events
Add OnBeforePaste/OnAfterPaste-Events
Add MouseWheel/MouseHWheel-Events (Message, for relay)
Add KeyDown/KeyUp-Events (Message, for relay)
Add FirstVisibleLine/LastVisibleLine/CurrentLine-Propertys
Add TextPopupMenu-Property
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~TEdit/TLabeledEdit~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add OnBeforePaste/OnAfterPaste-Events
Add KeyDown/KeyUp-Events (Message, for relay)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~TSynEdit~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Add VCLStyle-Property (CompilerVersion >= 30)
Add TextPopupMenu-Property
Add HighlightMatchingBrackets-Property
}
{$IFNDEF TLH_OMIT_SECTIONS}
unit uTLH.ComponentTools;
{$I uTLH.inc}
interface
uses
CheckLst, StdCtrls, Classes, Graphics, Controls, ComCtrls, Types, ExtCtrls, Forms, Messages,
Windows, Menus
{$IFDEF SynEdit}
,SynEdit
,SynEditTypes
,SynEditHighlighter
,SynEditSearch
{$IFNDEF UNICODE},SynUnicode{$ENDIF}
{$IFDEF SYNEDIT_CUSTOM_TEXTPOPUP},ActnList{$ENDIF}
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )},Themes{$IFEND}
{$ENDIF}
;
{$ENDIF TLH_OMIT_SECTIONS}
{$WARN UNIT_PLATFORM OFF}
{$WARN GARBAGE OFF}
{$WARN UNSAFE_CODE OFF}
{$WARN UNSAFE_CAST OFF}
{$WARN UNSAFE_TYPE OFF}
{$IF CompilerVersion >= 22}
{$LEGACYIFEND ON}
{$IFEND}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{$IF NOT Defined(TLH_IMPLEMENTATIONSECTION) AND NOT Defined(TLH_INITIALIZATIONSECTION) AND NOT Defined(TLH_FINALIZATIONSECTION)}
{$IF NOT Declared( WM_MOUSEHWHEEL )}
const
WM_MOUSEHWHEEL = $020E;
{$IFEND}
type
TCTScrollEvent = procedure( Sender : TObject; ScrollCode : SmallInt ) of object;
TWMScrollEvent = procedure( Sender : TObject; Msg : TWMScroll ) of object;
TCNNotifyEvent = procedure( Sender : TObject; Msg : TWMNotify ) of object;
TMouseWheelEventMsg = procedure( Sender : TObject; Msg : TWMMouseWheel ) of object;
TKeyEvent = procedure( Sender : TObject; Msg : TMessage ) of object;
TBeforePasteEvent = procedure( Sender: TObject; var s: String; var StopPaste : boolean ) of object;
TScrollBox = Class( Forms.TScrollBox )
procedure WMHScroll( var Message: TWMScroll ); message WM_HSCROLL;
procedure WMVScroll( var Message: TWMScroll ); message WM_VSCROLL;
procedure WMMouseWheel( var Message: TWMMouseWheel ); message WM_MOUSEWHEEL;
procedure WMMouseHWheel( var Message: TWMMouseWheel ); message WM_MOUSEHWHEEL;
procedure WMKeyDown( var Message: TMessage ); message WM_KEYDOWN;
procedure WMKeyUp( var Message: TMessage ); message WM_KEYUP;
private
FOnScrollVert : TCTScrollEvent;
FOnScrollHorz : TCTScrollEvent;
FOnWMScrollVert : TWMScrollEvent;
FOnWMScrollHorz : TWMScrollEvent;
FOnMouseWheelVert : TMouseWheelEventMsg;
FOnMouseWheelHorz : TMouseWheelEventMsg;
FOnKeyDownMsg : TKeyEvent;
FOnKeyUpMsg : TKeyEvent;
public
Property OnScrollVertical : TCTScrollEvent read FOnScrollVert write FonScrollVert;
Property OnScrollHorizontal : TCTScrollEvent read FOnScrollHorz write FonScrollHorz;
Property OnWMScrollVertical : TWMScrollEvent read FOnWMScrollVert write FOnWMScrollVert;
Property OnWMScrollHorizontal : TWMScrollEvent read FOnWMScrollHorz write FOnWMScrollHorz;
Property OnMouseWheelVertical : TMouseWheelEventMsg read FOnMouseWheelVert write FOnMouseWheelVert;
Property OnMouseWheelHorizontal : TMouseWheelEventMsg read FOnMouseWheelHorz write FOnMouseWheelHorz;
Property OnKeyDownMsg : TKeyEvent read FOnKeyDownMsg write FOnKeyDownMsg;
Property OnKeyUpMsg : TKeyEvent read FOnKeyUpMsg write FOnKeyUpMsg;
end;
TEdit = class( StdCtrls.TEdit )
private
FOnBeforePaste : TBeforePasteEvent;
FOnAfterPaste : TNotifyEvent;
FOnKeyDownMsg : TKeyEvent;
FOnKeyUpMsg : TKeyEvent;
FOnScrollVert : TCTScrollEvent;
FOnScrollHorz : TCTScrollEvent;
FOnWMScrollVert : TWMScrollEvent;
FOnWMScrollHorz : TWMScrollEvent;
FOnMouseWheelVert : TMouseWheelEventMsg;
FOnMouseWheelHorz : TMouseWheelEventMsg;
procedure WMHScroll( var Message: TWMScroll ); message WM_HSCROLL;
procedure WMVScroll( var Message: TWMScroll ); message WM_VSCROLL;
procedure WMMouseWheel( var Message: TWMMouseWheel ); message WM_MOUSEWHEEL;
procedure WMMouseHWheel( var Message: TWMMouseWheel ); message WM_MOUSEHWHEEL;
procedure WMPaste( var Message: TMessage ); message WM_PASTE;
procedure WMKeyDown( var Message: TMessage ); message WM_KEYDOWN;
procedure WMKeyUp( var Message: TMessage ); message WM_KEYUP;
protected
public
published
Property OnScrollVertical : TCTScrollEvent read FOnScrollVert write FonScrollVert;
Property OnScrollHorizontal : TCTScrollEvent read FOnScrollHorz write FonScrollHorz;
Property OnWMScrollVertical : TWMScrollEvent read FOnWMScrollVert write FOnWMScrollVert;
Property OnWMScrollHorizontal : TWMScrollEvent read FOnWMScrollHorz write FOnWMScrollHorz;
Property OnMouseWheelVertical : TMouseWheelEventMsg read FOnMouseWheelVert write FOnMouseWheelVert;
Property OnMouseWheelHorizontal : TMouseWheelEventMsg read FOnMouseWheelHorz write FOnMouseWheelHorz;
property OnBeforePaste : TBeforePasteEvent read FOnBeforePaste write FOnBeforePaste;
property OnAfterPaste : TNotifyEvent read FOnAfterPaste write FOnAfterPaste;
Property OnKeyDownMsg : TKeyEvent read FOnKeyDownMsg write FOnKeyDownMsg;
Property OnKeyUpMsg : TKeyEvent read FOnKeyUpMsg write FOnKeyUpMsg;
end;
TLabeledEdit = class( ExtCtrls.TLabeledEdit )
private
FOnBeforePaste : TBeforePasteEvent;
FOnAfterPaste : TNotifyEvent;
FOnKeyDownMsg : TKeyEvent;
FOnKeyUpMsg : TKeyEvent;
FOnScrollVert : TCTScrollEvent;
FOnScrollHorz : TCTScrollEvent;
FOnWMScrollVert : TWMScrollEvent;
FOnWMScrollHorz : TWMScrollEvent;
FOnMouseWheelVert : TMouseWheelEventMsg;
FOnMouseWheelHorz : TMouseWheelEventMsg;
procedure WMHScroll( var Message: TWMScroll ); message WM_HSCROLL;
procedure WMVScroll( var Message: TWMScroll ); message WM_VSCROLL;
procedure WMMouseWheel( var Message: TWMMouseWheel ); message WM_MOUSEWHEEL;
procedure WMMouseHWheel( var Message: TWMMouseWheel ); message WM_MOUSEHWHEEL;
procedure WMPaste( var Message: TMessage ); message WM_PASTE;
procedure WMKeyDown( var Message: TMessage ); message WM_KEYDOWN;
procedure WMKeyUp( var Message: TMessage ); message WM_KEYUP;
protected
public
published
Property OnScrollVertical : TCTScrollEvent read FOnScrollVert write FonScrollVert;
Property OnScrollHorizontal : TCTScrollEvent read FOnScrollHorz write FonScrollHorz;
Property OnWMScrollVertical : TWMScrollEvent read FOnWMScrollVert write FOnWMScrollVert;
Property OnWMScrollHorizontal : TWMScrollEvent read FOnWMScrollHorz write FOnWMScrollHorz;
Property OnMouseWheelVertical : TMouseWheelEventMsg read FOnMouseWheelVert write FOnMouseWheelVert;
Property OnMouseWheelHorizontal : TMouseWheelEventMsg read FOnMouseWheelHorz write FOnMouseWheelHorz;
property OnBeforePaste : TBeforePasteEvent read FOnBeforePaste write FOnBeforePaste;
property OnAfterPaste : TNotifyEvent read FOnAfterPaste write FOnAfterPaste;
Property OnKeyDownMsg : TKeyEvent read FOnKeyDownMsg write FOnKeyDownMsg;
Property OnKeyUpMsg : TKeyEvent read FOnKeyUpMsg write FOnKeyUpMsg;
end;
TRichEdit = class( ComCtrls.TRichEdit )
private
FOnBeforePaste : TBeforePasteEvent;
FOnAfterPaste : TNotifyEvent;
FOnScrollVert : TCTScrollEvent;
FOnScrollHorz : TCTScrollEvent;
FOnWMScrollVert : TWMScrollEvent;
FOnWMScrollHorz : TWMScrollEvent;
FOnMouseWheelVert : TMouseWheelEventMsg;
FOnMouseWheelHorz : TMouseWheelEventMsg;
FOnCNNotify : TCNNotifyEvent;
FOnKeyDownMsg : TKeyEvent;
FOnKeyUpMsg : TKeyEvent;
fTextPopupMenu : Boolean;
fPasteAsPlainText : Boolean;
procedure WMHScroll( var Message: TWMScroll ); message WM_HSCROLL;
procedure WMVScroll( var Message: TWMScroll ); message WM_VSCROLL;
procedure WMMouseWheel( var Message: TWMMouseWheel ); message WM_MOUSEWHEEL;
procedure WMMouseHWheel( var Message: TWMMouseWheel ); message WM_MOUSEHWHEEL;
procedure WMPaste( var Message: TMessage ); message WM_PASTE;
procedure WMKeyDown( var Message: TMessage ); message WM_KEYDOWN;
procedure WMKeyUp( var Message: TMessage ); message WM_KEYUP;
procedure CNNotify( var Message: TWMNotify ); message CN_NOTIFY;
function GetFirstVisibleLine : LRESULT;
procedure SetFirstVisibleLine( Line : LRESULT );
function GetLastVisibleLine : LRESULT;
function GetCurrentLine : LRESULT;
protected
procedure DoContextPopup( MousePos: TPoint; var Handled: Boolean ); override;
public
procedure ScrollToText( sText : string );
constructor Create( AOwner: TComponent ); override;
procedure PasteFromClipboardAsPlainText;
published
property OnBeforePaste : TBeforePasteEvent read FOnBeforePaste write FOnBeforePaste;
property OnAfterPaste : TNotifyEvent read FOnAfterPaste write FOnAfterPaste;
Property OnScrollVertical : TCTScrollEvent read FOnScrollVert write FonScrollVert;
Property OnScrollHorizontal : TCTScrollEvent read FOnScrollHorz write FonScrollHorz;
Property OnWMScrollVertical : TWMScrollEvent read FOnWMScrollVert write FOnWMScrollVert;
Property OnWMScrollHorizontal : TWMScrollEvent read FOnWMScrollHorz write FOnWMScrollHorz;
Property OnMouseWheelVertical : TMouseWheelEventMsg read FOnMouseWheelVert write FOnMouseWheelVert;
Property OnMouseWheelHorizontal : TMouseWheelEventMsg read FOnMouseWheelHorz write FOnMouseWheelHorz;
Property OnKeyDownMsg : TKeyEvent read FOnKeyDownMsg write FOnKeyDownMsg;
Property OnKeyUpMsg : TKeyEvent read FOnKeyUpMsg write FOnKeyUpMsg;
Property OnCNNotify : TCNNotifyEvent read FOnCNNotify write FOnCNNotify;
property FirstVisibleLine : LRESULT read GetFirstVisibleLine write SetFirstVisibleLine;
property LastVisibleLine : LRESULT read GetLastVisibleLine;
property CurrentLine : LRESULT read GetCurrentLine;
property TextPopupMenu : boolean read fTextPopupMenu write fTextPopupMenu;
property PasteAsPlainText : boolean read fPasteAsPlainText write fPasteAsPlainText;
end;
TMemo = class( StdCtrls.TMemo )
private
FOnBeforePaste : TBeforePasteEvent;
FOnAfterPaste : TNotifyEvent;
FOnScrollVert : TCTScrollEvent;
FOnScrollHorz : TCTScrollEvent;
FOnWMScrollVert : TWMScrollEvent;
FOnWMScrollHorz : TWMScrollEvent;
FOnMouseWheelVert : TMouseWheelEventMsg;
FOnMouseWheelHorz : TMouseWheelEventMsg;
FOnCNNotify : TCNNotifyEvent;
FOnKeyDownMsg : TKeyEvent;
FOnKeyUpMsg : TKeyEvent;
procedure WMHScroll( var Message: TWMScroll ); message WM_HSCROLL;
procedure WMVScroll( var Message: TWMScroll ); message WM_VSCROLL;
procedure WMMouseWheel( var Message: TWMMouseWheel ); message WM_MOUSEWHEEL;
procedure WMMouseHWheel( var Message: TWMMouseWheel ); message WM_MOUSEHWHEEL;
procedure WMPaste( var Message: TMessage ); message WM_PASTE;
procedure WMKeyDown( var Message: TMessage ); message WM_KEYDOWN;
procedure WMKeyUp( var Message: TMessage ); message WM_KEYUP;
procedure CNNotify( var Message: TWMNotify ); message CN_NOTIFY;
function GetFirstVisibleLine : LRESULT;
procedure SetFirstVisibleLine( Line : LRESULT );
function GetLastVisibleLine : LRESULT;
function GetCurrentLine : LRESULT;
protected
public
published
property OnBeforePaste : TBeforePasteEvent read FOnBeforePaste write FOnBeforePaste;
property OnAfterPaste : TNotifyEvent read FOnAfterPaste write FOnAfterPaste;
Property OnScrollVertical : TCTScrollEvent read FOnScrollVert write FonScrollVert;
Property OnScrollHorizontal : TCTScrollEvent read FOnScrollHorz write FonScrollHorz;
Property OnWMScrollVertical : TWMScrollEvent read FOnWMScrollVert write FOnWMScrollVert;
Property OnWMScrollHorizontal : TWMScrollEvent read FOnWMScrollHorz write FOnWMScrollHorz;
Property OnMouseWheelVertical : TMouseWheelEventMsg read FOnMouseWheelVert write FOnMouseWheelVert;
Property OnMouseWheelHorizontal : TMouseWheelEventMsg read FOnMouseWheelHorz write FOnMouseWheelHorz;
Property OnKeyDownMsg : TKeyEvent read FOnKeyDownMsg write FOnKeyDownMsg;
Property OnKeyUpMsg : TKeyEvent read FOnKeyUpMsg write FOnKeyUpMsg;
Property OnCNNotify : TCNNotifyEvent read FOnCNNotify write FOnCNNotify;
property FirstVisibleLine : LRESULT read GetFirstVisibleLine write SetFirstVisibleLine;
property LastVisibleLine : LRESULT read GetLastVisibleLine;
property CurrentLine : LRESULT read GetCurrentLine;
end;
TPageControl = class( ComCtrls.TPageControl )
published
property OnDblClick;
public
constructor Create(aOwner: TComponent); override;
end;
TTabSheet = class( ComCtrls.TTabSheet )
published
property OnDblClick;
end;
{$IFDEF SynEdit}
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )}
tVCLStyleBackUp = record
Color : TColor;
FontColor : TColor;
GutterGradientEndColor : TColor;
GutterGradientStartColor : TColor;
GutterFontColor : TColor;
GutterBorderColor : TColor;
ActiveLineColor : TColor;
end;
{$IFEND}
tBracketInfo = record
vStart : TBufferCoord;
vEnd : TBufferCoord;
Bracket : Boolean;
end;
tBracketInfos = Array [ 0..1 ] of tBracketInfo;
TSynEdit = class( SynEdit.TSynEdit )
private
{$IFDEF SYNEDIT_CUSTOM_TEXTPOPUP}
FActnList : TActionList;
FPopupMenu : TPopupMenu;
{$ELSE}
fTextPopupMenu : Boolean;
{$ENDIF}
fPopupMenuGutter : TPopupMenu;
fPopupMenuGutterLine : Integer;
fPopupMenuGutterRealLine : Integer;
// VCL-Styles
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )}
LStyle : TCustomStyleServices;
fVCLStyles : boolean;
fVCLStyleBackup : tVCLStyleBackUp;
{$IFEND}
fHighlightMatchingBrackets : boolean;
fHighlightMatchingBracketsOnlySymbols : boolean;
fHighlightMatchingBracketsColorOutFG : TColor;
fHighlightMatchingBracketsColorOutBG : TColor;
fHighlightMatchingBracketsColorInFG : TColor;
fHighlightMatchingBracketsColorInBG : TColor;
fHighlightMatchingBracketsResult : tBracketInfos;
fHighlightMatchingBracketsNoOutBound : Boolean;
{$IFDEF SYNEDIT_CUSTOM_TEXTPOPUP}
procedure CreateActns;
procedure FillPopupMenu( APopupMenu : TPopupMenu );
procedure CutExecute( Sender: TObject );
procedure CutUpdate( Sender: TObject );
procedure CopyExecute( Sender: TObject );
procedure CopyUpdate( Sender: TObject );
procedure PasteExecute( Sender: TObject );
procedure PasteUpdate( Sender: TObject );
procedure DeleteExecute( Sender: TObject );
procedure DeleteUpdate( Sender: TObject );
procedure SelectAllExecute( Sender: TObject );
procedure SelectAllUpdate( Sender: TObject );
procedure RedoExecute( Sender: TObject );
procedure RedoUpdate( Sender: TObject );
procedure UndoExecute( Sender: TObject );
procedure UndoUpdate( Sender: TObject );
procedure SetPopupMenu_( const Value: TPopupMenu );
function GetPopupMenu_: TPopupMenu;
{$ENDIF}
// HighLight
procedure SearchMatchingBrackets;
procedure DoHighlightMatchingBrackets( TransientType: TTransientType );
procedure SetHighlightMatchingBrackets( Value : boolean );
// VCL-Styles
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )}
procedure UpdateStyle;
procedure SetVCLStyles( value : boolean );
procedure VCLStylesBackup( Restore : boolean );
{$IFEND}
function GetSelStartLine : Integer;
function GetSelEndLine : Integer;
protected
// VCL-Styles
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )}
procedure CMSTYLECHANGED( var Message:TMessage );message CM_STYLECHANGED;
procedure Loaded; override;
{$IFEND}
// Highlight
procedure DoOnStatusChange( Changes: TSynStatusChanges ); override;
procedure DoOnPaintTransientEx( TransientType: TTransientType; Lock: Boolean ); override;
{$IFNDEF SYNEDIT_CUSTOM_TEXTPOPUP}
procedure DoContextPopup( MousePos: TPoint; var Handled: Boolean ); override;
{$ENDIF}
public
constructor Create( AOwner: TComponent ); override;
destructor Destroy; override;
procedure SetSelTextPrimitiveEx(PasteMode: TSynSelectionMode; Value: PWideChar; AddToUndoList: Boolean);
published
{$IFDEF SYNEDIT_CUSTOM_TEXTPOPUP}
property PopupMenu : TPopupMenu read GetPopupMenu_ write SetPopupMenu_;
{$ELSE}
property TextPopupMenu : boolean read fTextPopupMenu write fTextPopupMenu;
{$ENDIF}
property PopupMenuGutter : TPopupMenu read fPopupMenuGutter write fPopupMenuGutter;
property PopupMenuGutterLine : Integer read fPopupMenuGutterLine;
property PopupMenuGutterRealLine : Integer read fPopupMenuGutterRealLine;
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )}
property VCLStyles : boolean read fVCLStyles write SetVCLStyles;
{$IFEND}
property HighlightMatchingBrackets : boolean read fHighlightMatchingBrackets write SetHighlightMatchingBrackets;
property HighlightMatchingBracketsOnlySymbols : boolean read fHighlightMatchingBracketsOnlySymbols write fHighlightMatchingBracketsOnlySymbols;
property HighlightMatchingBracketsColorOutFG : TColor read fHighlightMatchingBracketsColorOutFG write fHighlightMatchingBracketsColorOutFG;
property HighlightMatchingBracketsColorOutBG : TColor read fHighlightMatchingBracketsColorOutBG write fHighlightMatchingBracketsColorOutBG;
property HighlightMatchingBracketsColorInFG : TColor read fHighlightMatchingBracketsColorInFG write fHighlightMatchingBracketsColorInFG;
property HighlightMatchingBracketsColorInBG : TColor read fHighlightMatchingBracketsColorInBG write fHighlightMatchingBracketsColorInBG;
property HighlightMatchingBracketsNoOutBound : Boolean read fHighlightMatchingBracketsNoOutBound write fHighlightMatchingBracketsNoOutBound;
property SelStartLine : Integer read GetSelStartLine;
property SelEndLine : Integer read GetSelEndLine;
end;
TSynMatchTextHighlighterPlugin = class( TSynEditPlugin )
private
FAttribute : TSynHighlighterAttributes;
fEnabled : Boolean;
fFrameColor : TColor;
fEngine : TSynEditSearch;
protected
procedure AfterPaint( ACanvas: TCanvas; const AClip: TRect; FirstLine, LastLine: Integer ); override;
// VCL-Styles
{$IF Defined( SynEdit_VCLStyles ) AND ( CompilerVersion >= 30 )}
procedure CMSTYLECHANGED( var Message:TMessage );message CM_STYLECHANGED;
{$IFEND}
public
procedure AfterConstruction; override;
destructor Destroy; override;
property Attribute : TSynHighlighterAttributes read FAttribute write FAttribute;
property Enabled : Boolean read fEnabled write fEnabled;
property FrameColor : TColor read fFrameColor write fFrameColor;
property SearchEngine : TSynEditSearch read fEngine write fEngine;
end;
{$ENDIF}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// TCheckListBox
function CheckListBoxCheckCount( ChkListBox : TCheckListBox ): Integer;
function CheckListBoxSelectCount( ChkListBox : TCheckListBox ): Integer;
function CheckListBoxReturnRandomChecked( ChkListBox : TCheckListBox ): Integer;
function CheckListBoxReturnCheckedIndex( ChkListBox : TCheckListBox; index : integer ): Integer;
function CheckListBoxReturnSelectedIndex( ChkListBox : TCheckListBox; index : integer ): Integer;
//TListBox
procedure ListBoxUnselectAll( lst : TListBox );
procedure ListBoxSelectIndex( lst : TListBox; Index : integer );
procedure AddHorizontalScrollbar( Lst : TCustomListBox );
// Other
procedure WinControlColor( Comp : TComponent; Color : TColor );
function TopControlAtPos( StartCtrl : TWinControl; ClientCords : TPoint ) : TControl;
function ClassIsOrIsDescendent( comp : TObject; Name : string ) : boolean;
function ComponentIsOnClass( c : TComponent; ClassName : string ) : TComponent; overload;
function ComponentIsOnClass( c : TComponent; ClassName : TClass ) : TComponent; overload;
function ControlHasClassOnIt( c : TWinControl; ClassName : string ) : TComponent; overload;
function ControlHasClassOnIt( c : TWinControl; ClassName : TClass ) : TComponent; overload;
procedure ScaledPixelToUnscaledPixel( Sender : TImage; var P : TPoint );
procedure ScaleFactorsFromImage( Sender : TImage; var X, Y : Double );
procedure SortTMonitors( var OrderedByIDs : TByteDynArray; Primary : PByte = nil );
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
type
TOnKeyPressMode = ( kpmString, kpmSigned, kpmUnsigned, kpmFloat, kpmFloatUnsigned, kpmExtended, kpmExtendedUnsigned, kpmDateTime, kpmHex, kpmHexBigEndian, kpmDirectoryOrFileName, kpmAlpha, kpmAlphaNumeric );
procedure OnKeyPressCheckChar( Sender: TObject; var Key: Char; vMode : TOnKeyPressMode );
procedure OnKeyDownManipulateNumbersViaUpDown( Sender: TObject; var Key: Word; Shift: TShiftState; vMode : TOnKeyPressMode );
function IncDecNumberAsString( Text : string; vMode : TOnKeyPressMode; var Position : Integer; Increase : boolean = True ) : string;
{$IFNDEF STANDALONE}
function ShiftStateToKeys( AShiftState: TShiftState ): Word;
{$ENDIF}
function ShowTextPopupMenu( Handle : THandle; MousePosClient: TPoint; CanUndo, ReadOnly, HasSelText, HasText : boolean; BiDiMode : TBiDiMode ) : Cardinal;
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
type
tJumpLine = record
Line : Integer;
Destination : Integer;
Offset : Byte;
Broken : Boolean;
Intersected : Boolean;
end;
tJumpLines = Array of tJumpLine;
function JumpLines( Code, Offsets : {$IFNDEF UNICODE}{$IFDEF SynEdit}TUnicodeStrings{$ELSE}TStrings{$ENDIF}{$ELSE}TStrings{$ENDIF}; var JumpLines : tJumpLines ) : boolean;
{$IFEND TLH_IMPLEMENTATIONSECTION}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{$IFNDEF TLH_OMIT_SECTIONS}
implementation
uses
Math, Clipbrd, SysUtils, RichEdit,
Grids,
StrUtils{OnKeyDownManipulateNumbersViaUpDown},
TypInfo{OnKeyPressCheckChar}
{$IFDEF SynEdit}
,SynEditMiscClasses
{$ENDIF}
;
{$ENDIF TLH_OMIT_SECTIONS}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{$IF NOT Defined( TLH_INTERFACESECTION ) AND NOT Defined( TLH_INITIALIZATIONSECTION ) AND NOT Defined( TLH_FINALIZATIONSECTION )}
// TCheckListBox
function CheckListBoxCheckCount( ChkListBox : TCheckListBox ): Integer;
var
i : integer;
begin
result := 0;
for i := 0 to ChkListBox.Items.Count-1 do
if ChkListBox.Checked[ i ] then
Inc( result );
end;
function CheckListBoxSelectCount( ChkListBox : TCheckListBox ): Integer;
var
i : integer;
begin
result := 0;
for i := 0 to ChkListBox.Items.Count-1 do
if ChkListBox.Selected[ i ] then
Inc( result );
end;
function CheckListBoxReturnRandomChecked( ChkListBox : TCheckListBox ): Integer;
var
No : integer;
i, j : integer;
begin
Result := -1;
if ( CheckListBoxCheckCount( ChkListBox ) < 1 ) then
Exit;
No := RandomRange( 1, CheckListBoxCheckCount( ChkListBox ) );
j := 0;
for i := 0 to ChkListBox.Items.Count-1 do
begin
if ChkListBox.Checked[ i ] then
Inc( j );
if ( No = j ) then
begin
result := i;
break;
end;
end;
end;
function CheckListBoxReturnCheckedIndex( ChkListBox : TCheckListBox; index : integer ): Integer;
var
i, j : integer;
begin
Result := -1;
if ( CheckListBoxCheckCount( ChkListBox ) < 1 ) then
Exit;
index := Min( index, CheckListBoxCheckCount( ChkListBox )-1 );
j := 0;
for i := 0 to ChkListBox.Items.Count-1 do
begin
if ChkListBox.Checked[ i ] then
begin
if ( index = j ) then
begin
result := i;
break;
end;
Inc( j );
end;
end;
end;
function CheckListBoxReturnSelectedIndex( ChkListBox : TCheckListBox; index : integer ): Integer;
var
i, j : integer;
begin
Result := -1;
if ( CheckListBoxSelectCount( ChkListBox ) < 1 ) then
Exit;
index := Min( index, CheckListBoxSelectCount( ChkListBox )-1 );
j := 0;
for i := 0 to ChkListBox.Items.Count-1 do
begin
if ChkListBox.Selected[ i ] then
begin
if ( index = j ) then
begin
result := i;
break;
end;
Inc( j );
end;
end;
end;
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
procedure ListBoxUnselectAll( lst : TListBox );
var
i : integer;
begin
for i := 0 to lst.Items.Count-1 do
lst.Selected[ i ] := false;
end;
procedure ListBoxSelectIndex( lst : TListBox; Index : integer );
begin
ListBoxUnselectAll( lst );
if ( index < 0 ) OR ( index > lst.Items.Count-1 ) then
Exit;
lst.Selected[ index ] := True;
end;
procedure AddHorizontalScrollbar( Lst : TCustomListBox );
var
i, MaxWidth : Integer;
begin
if NOT Assigned( Lst ) then
Exit;
MaxWidth := Lst.Width-1;
for i := 0 to Lst.Count-1 do
MaxWidth := Max( MaxWidth, Lst.Canvas.TextWidth( Lst.Items[ i ] ) );
if ( MaxWidth = Lst.Width-1 ) then
Lst.Perform( LB_SETHORIZONTALEXTENT, 0, 0 )
else
Lst.Perform( LB_SETHORIZONTALEXTENT, MaxWidth+4, 0 );
end;
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// TScrollBox
procedure TScrollBox.WMHScroll( var Message: TWMHScroll );
begin
inherited;
if Assigned( FOnWMScrollHorz ) then
FOnWMScrollHorz( Self, Message );
if Assigned( FOnScrollHorz ) then
FOnScrollHorz( Self, Message.ScrollCode );
end;
procedure TScrollBox.WMVScroll( var Message: TWMVScroll );
begin
inherited;
if Assigned( FOnWMScrollVert ) then
FOnWMScrollVert( Self, Message );
if Assigned( FOnScrollVert ) then
FOnScrollVert( Self, Message.ScrollCode );
end;
procedure TScrollBox.WMMouseHWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelHorz ) then
FOnMouseWheelHorz( Self, Message );
end;
procedure TScrollBox.WMMouseWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelVert ) then
FOnMouseWheelVert( Self, Message );
end;
procedure TScrollBox.WMKeyDown( var Message: TMessage );
begin
if Assigned( FOnKeyDownMsg ) then
FOnKeyDownMsg( Self, Message );
inherited;
end;
procedure TScrollBox.WMKeyUp( var Message: TMessage );
begin
if Assigned( FOnKeyUpMsg ) then
FOnKeyUpMsg( Self, Message );
inherited;
end;
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// TEdit/LabeledEdit/RichEdit/Memo
procedure TEdit.WMHScroll( var Message: TWMHScroll );
begin
inherited;
if Assigned( FOnWMScrollHorz ) then
FOnWMScrollHorz( Self, Message );
if Assigned( FOnScrollHorz ) then
FOnScrollHorz( Self, Message.ScrollCode );
end;
procedure TEdit.WMVScroll( var Message: TWMVScroll );
begin
inherited;
if Assigned( FOnWMScrollVert ) then
FOnWMScrollVert( Self, Message );
if Assigned( FOnScrollVert ) then
FOnScrollVert( Self, Message.ScrollCode );
end;
procedure TEdit.WMMouseHWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelHorz ) then
FOnMouseWheelHorz( Self, Message );
end;
procedure TEdit.WMMouseWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelVert ) then
FOnMouseWheelVert( Self, Message );
end;
procedure TEdit.WMPaste( var Message: TMessage );
var
sOrg,
sVar : String;
sRes : boolean;
Stop : Boolean;
begin
sRes := false;
Stop := False;
if Assigned( FOnBeforePaste ) and ( Clipboard.HasFormat( CF_TEXT ) ) then
begin
sOrg := ClipBoard.AsText;
sVar := sOrg;
FOnBeforePaste( self, sVar, Stop );
sRes := ( sVar <> sOrg );
end;
if STOP then
begin
Message.Result := 1;
Exit;
end;
if sRes then
SetSelTextBuf( PChar( IfThen( sRes, sVar, ClipBoard.AsText ) ) )
else
inherited;
if Assigned( FOnAfterPaste ) then
FOnAfterPaste( self );
end;
procedure TEdit.WMKeyDown( var Message: TMessage );
begin
if Assigned( FOnKeyDownMsg ) then
FOnKeyDownMsg( Self, Message );
inherited;
end;
procedure TEdit.WMKeyUp( var Message: TMessage );
begin
if Assigned( FOnKeyUpMsg ) then
FOnKeyUpMsg( Self, Message );
inherited;
end;
procedure TLabeledEdit.WMHScroll( var Message: TWMHScroll );
begin
inherited;
if Assigned( FOnWMScrollHorz ) then
FOnWMScrollHorz( Self, Message );
if Assigned( FOnScrollHorz ) then
FOnScrollHorz( Self, Message.ScrollCode );
end;
procedure TLabeledEdit.WMVScroll( var Message: TWMVScroll );
begin
inherited;
if Assigned( FOnWMScrollVert ) then
FOnWMScrollVert( Self, Message );
if Assigned( FOnScrollVert ) then
FOnScrollVert( Self, Message.ScrollCode );
end;
procedure TLabeledEdit.WMMouseHWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelHorz ) then
FOnMouseWheelHorz( Self, Message );
end;
procedure TLabeledEdit.WMMouseWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelVert ) then
FOnMouseWheelVert( Self, Message );
end;
procedure TLabeledEdit.WMPaste( var Message: TMessage );
var
sOrg,
sVar : String;
sRes : boolean;
Stop : Boolean;
begin
sRes := false;
Stop := False;
if Assigned( FOnBeforePaste ) and ( Clipboard.HasFormat( CF_TEXT ) ) then
begin
sOrg := ClipBoard.AsText;
sVar := sOrg;
FOnBeforePaste( self, sVar, Stop );
sRes := ( sVar <> sOrg );
end;
if STOP then
begin
Message.Result := 1;
Exit;
end;
if sRes then
SetSelTextBuf( PChar( IfThen( sRes, sVar, ClipBoard.AsText ) ) )
else
inherited;
if Assigned( FOnAfterPaste ) then
FOnAfterPaste( self );
end;
procedure TLabeledEdit.WMKeyDown( var Message: TMessage );
begin
if Assigned( FOnKeyDownMsg ) then
FOnKeyDownMsg( Self, Message );
inherited;
end;
procedure TLabeledEdit.WMKeyUp( var Message: TMessage );
begin
if Assigned( FOnKeyUpMsg ) then
FOnKeyUpMsg( Self, Message );
inherited;
end;
procedure TRichEdit.WMPaste( var Message: TMessage );
var
sOrg,
sVar : String;
sRes : boolean;
Stop : Boolean;
begin
sRes := false;
Stop := False;
if Assigned( FOnBeforePaste ) and ( Clipboard.HasFormat( CF_TEXT ) ) then
begin
sOrg := ClipBoard.AsText;
sVar := sOrg;
FOnBeforePaste( self, sVar, Stop );
sRes := ( sVar <> sOrg );
end;
if STOP then
begin
Message.Result := 1;
Exit;
end;
if ( sRes or fPasteAsPlainText ) and ( Clipboard.HasFormat( CF_TEXT ) ) then
SetSelTextBuf( PChar( IfThen( sRes, sVar, ClipBoard.AsText ) ) )
else
inherited;
if Assigned( FOnAfterPaste ) then
FOnAfterPaste( self );
end;
procedure TRichEdit.WMHScroll( var Message: TWMHScroll );
begin
inherited;
if Assigned( FOnWMScrollHorz ) then
FOnWMScrollHorz( Self, Message );
if Assigned( FOnScrollHorz ) then
FOnScrollHorz( Self, Message.ScrollCode );
end;
procedure TRichEdit.WMVScroll( var Message: TWMVScroll );
begin
inherited;
if Assigned( FOnWMScrollVert ) then
FOnWMScrollVert( Self, Message );
if Assigned( FOnScrollVert ) then
FOnScrollVert( Self, Message.ScrollCode );
end;
procedure TRichEdit.WMMouseHWheel( var Message: TWMMouseWheel );
begin
inherited;
// Workaround for : https://code.google.com/p/dscintilla/issues/detail?id=5
//
// TControl.WMMouseWheel changes WM_MOUSEWHEEL parameters,
// but doesn't revert then when passing message down.
//
// As a workaround try to revert damage done by TControl.WMMouseWheel:
// TCMMouseWheel( Message ).ShiftState := KeysToShiftState( Message.Keys );
// Message might not be complete, because of missing MK_XBUTTON1/MK_XBUTTON2
// flags, however Scintilla doesn't use them as of today.
Message.Keys := ShiftStateToKeys( TCMMouseWheel( Message ).ShiftState );
if Assigned( FOnMouseWheelHorz ) then
FOnMouseWheelHorz( Self, Message );