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SynEdit: Refactored Block-Selection / Fix Drag-Drop Edit

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git-svn-id: trunk@20962 -
This commit is contained in:
martin 2009-07-26 03:32:37 +00:00
parent 5dcb73cd82
commit fccbd52e32
1 changed files with 15 additions and 5 deletions
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20
components/synedit/synedit.pp
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@ -2566,6 +2566,7 @@ begin
or (Abs(fMouseDownY - Y) >= GetSystemMetrics(SM_CYDRAG))
then begin
Exclude(fStateFlags, sfWaitForDragging);
Exclude(fStateFlags, sfMouseSelecting);
Include(fStateFlags, sfIsDragging);
//debugln('TCustomSynEdit.MouseMove BeginDrag');
BeginDrag(true);
@ -2577,12 +2578,19 @@ begin
//DebugLn(' TCustomSynEdit.MouseMove CAPTURE Mouse=',dbgs(X),',',dbgs(Y),' Caret=',dbgs(CaretXY),', BlockBegin=',dbgs(BlockBegin),' BlockEnd=',dbgs(BlockEnd));
FInternalCaret.AssignFrom(FCaret);
FInternalCaret.LineCharPos := PixelsToRowColumn(Point(X,Y));
if (not(sfIsDragging in fStateFlags)) then
SetBlockEnd(FInternalCaret.LineBytePos);
if (X >= fGutterWidth) and (X < ClientWidth-ScrollBarWidth)
and (Y >= 0) and (Y < ClientHeight-ScrollBarWidth)
then
if (X >= fGutterWidth) and (X < ClientWidth-ScrollBarWidth) and
(Y >= 0) and (Y < ClientHeight-ScrollBarWidth)
then begin
if sfIsDragging in fStateFlags then
FBlockSelection.IncPersistentLock;
FBlockSelection.AutoExtend := sfMouseSelecting in fStateFlags;
FCaret.LineBytePos := FInternalCaret.LineBytePos;
FBlockSelection.AutoExtend := False;
if sfIsDragging in fStateFlags then
FBlockSelection.DecPersistentLock;
end;
// should we begin scrolling?
Dec(X, fGutterWidth);
// calculate chars past right
@ -4946,10 +4954,12 @@ begin
DragCursor := crMultiDrag
else
DragCursor := crDrag;
FBlockSelection.IncPersistentLock;
if State = dsDragLeave then //restore prev caret position
ComputeCaret(FMouseDownX, FMouseDownY)
else //position caret under the mouse cursor
ComputeCaret(X, Y);
FBlockSelection.DecPersistentLock;
end;
end;