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unMap.pas
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unMap.pas
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unit unMap;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Menus,
ecSyntMemo, ecSyntAnal,
ATSyntMemo;
type
TfmMap = class(TForm)
edMap: TSyntaxMemo;
PopupMenu1: TPopupMenu;
procedure FormCreate(Sender: TObject);
procedure edMapMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure edMapMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure edMapMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure edMapClick(Sender: TObject);
procedure edMapCanDelete(Sender: TObject; Position, Count: Integer;
var AllowDelete: Boolean);
procedure edMapCanInsert(Sender: TObject; Position: Integer;
var AllowInsert: Boolean);
private
{ Private declarations }
FMouseDown: boolean;
FLineTop,
FLineBottom: integer;
FOnMapClick: TNotifyEvent;
procedure DoMapClick;
procedure DoMapShow;
public
{ Public declarations }
property OnMapClick: TNotifyEvent read FOnMapClick write FOnMapClick;
procedure SyncMapData(Src: TSyntaxMemo);
procedure SyncMapPos(Src: TSyntaxMemo);
procedure SetMapColor(C: TColor);
procedure SetMapFontSize(N: integer);
procedure SetMapScrollBars(SHorz, SVert: boolean);
end;
implementation
uses
Math,
StdCtrls,
ecLists,
unProcEditor;
{$R *.dfm}
procedure TfmMap.FormCreate(Sender: TObject);
begin
FMouseDown:= false;
edMap.Lines.Clear;
edMap.Caret.Visible:= false;
edMap.Options:= edMap.Options+[soDisableSelection];
edMap.OptionsEx:= edMap.OptionsEx+[soKeepSearchMarks];
edMap.DisableFolding:= true;
edMap.Gutter.Visible:= false;
edMap.DefaultStyles.SearchMark.Font.Color:= clNone;
edMap.DefaultStyles.SearchMark.BgColor:= $F4F0F6;
edMap.StaplesEnabled:= false; //must for map(to not break main ed)
end;
procedure TfmMap.DoMapShow;
var
nPosStart, nPosEnd: integer;
begin
with edMap do
begin
nPosStart:= CaretPosToStrPos(Point(0, FLineTop));
nPosEnd:= CaretPosToStrPos(Point(0, FLineBottom));
BeginUpdate;
try
SearchMarks.Clear;
SearchMarks.Add(TRange.Create(nPosStart, nPosEnd));
finally
EndUpdate;
end;
end;
end;
procedure TfmMap.edMapMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
if FMouseDown then
begin
////edMap.CaretPos:= edMap.MouseToCaret(X, Y);
DoMapShow;
DoMapClick;
end;
end;
procedure TfmMap.edMapMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button=mbLeft then
begin
FMouseDown:= true;
end;
end;
procedure TfmMap.edMapMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button=mbLeft then
begin
FMouseDown:= false;
edMap.Cursor:= crDefault;
SetCursor(Screen.Cursors[edMap.Cursor]);
end;
end;
procedure TfmMap.SyncMapData(Src: TSyntaxMemo);
begin
if Src=nil then
begin
edMap.TextSource:= nil;
edMap.SyntaxAnalyzer:= nil;
end
else
begin
edMap.RightMargin:= Src.RightMargin;
edMap.Color:= Src.Color;
edMap.Font.Color:= Src.Font.Color;
edMap.TextSource:= Src.TextSource;
edMap.SyntaxAnalyzer:= Src.SyntaxAnalyzer;
end;
end;
procedure TfmMap.SyncMapPos(Src: TSyntaxMemo);
begin
if Src=nil then Exit;
edMap.BeginUpdate;
try
edMap.TopLine:=
Int64(Src.TopLine) *
Max(0, Src.Lines.Count-edMap.VisibleLines) div
Max(1, Src.Lines.Count-Src.VisibleLines);
FLineTop:= Src.TopLine;
FLineBottom:= Min(FLineTop + Src.VisibleLines, edMap.Lines.Count-1);
DoMapShow;
finally
edMap.EndUpdate;
end;
end;
procedure TfmMap.DoMapClick;
begin
if Assigned(FOnMapClick) then
FOnMapClick(edMap);
end;
procedure TfmMap.edMapClick(Sender: TObject);
begin
DoMapClick;
end;
procedure TfmMap.edMapCanDelete(Sender: TObject; Position, Count: Integer;
var AllowDelete: Boolean);
begin
AllowDelete:= false;
end;
procedure TfmMap.edMapCanInsert(Sender: TObject; Position: Integer;
var AllowInsert: Boolean);
begin
AllowInsert:= false;
end;
procedure TfmMap.SetMapColor(C: TColor);
begin
edMap.DefaultStyles.SearchMark.BgColor:= C;
end;
procedure TfmMap.SetMapFontSize(N: integer);
begin
edMap.Font.Size:= N;
end;
procedure TfmMap.SetMapScrollBars(SHorz, SVert: boolean);
begin
(*
if SHorz and SVert then
edMap.ScrollBars:= ssBoth
else
if SHorz then
edMap.ScrollBars:= ssHorizontal
else
if SVert then
edMap.ScrollBars:= ssVertical
else
edMap.ScrollBars:= ssNone;
*)
end;
end.