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SynEdit: debug for caret

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git-svn-id: trunk@27150 -
This commit is contained in:
martin 2010-08-19 23:13:00 +00:00
parent fb7cc5ffff
commit 66ad9fe3d0
1 changed files with 40 additions and 6 deletions
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46
components/synedit/syneditpointclasses.pas
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@ -31,6 +31,8 @@ unit SynEditPointClasses;
{$I synedit.inc}
{off $DEFINE SynCaretDebug}
interface
uses
@ -268,6 +270,9 @@ type
procedure SetDisplayType(const AType: TSynCaretType);
procedure SetVisible(const AValue: Boolean);
private
{$IFDeF SynCaretDebug}
FDebugShowCount: Integer;
{$ENDIF}
FPersistentCaret: Boolean;
FPixelWidth, FPixelHeight: Integer;
FOffsetX, FOffsetY: Integer;
@ -1573,8 +1578,12 @@ end;
procedure TSynEditScreenCaret.DestroyCaret;
begin
if FCurrentCreated then
if FCurrentCreated then begin
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret DestroyCaret for handle=',FHandle, ' DebugShowCount=', FDebugShowCount]);
{$ENDIF}
LCLIntf.DestroyCaret(FHandle);
end;
FCurrentCreated := False;
FCurrentVisible := False;
end;
@ -1683,6 +1692,9 @@ end;
procedure TSynEditScreenCaret.SetHandle(const AValue: HWND);
begin
DestroyCaret;
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret SetHandle for (old) handle=',FHandle, ' New Handle=', AValue, ' DebugShowCount=', FDebugShowCount]);
{$ENDIF}
FHandle := AValue;
UpdateDisplay;
end;
@ -1715,6 +1727,9 @@ end;
procedure TSynEditScreenCaret.SetClipRect(const AValue: TRect);
begin
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret ClipRect for handle=',FHandle, ' Rect=', dbgs(AValue)]);
{$ENDIF}
FClipLeft := AValue.Left;
FClipRight := AValue.Right;
FClipTop := AValue.Top;
@ -1761,6 +1776,9 @@ begin
end;
if (not FCurrentCreated) or (FCurrentClippedWidth <> w) then begin
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret CreateCaret for handle=',FHandle, ' DebugShowCount=', FDebugShowCount, ' Width=', w, ' pref-width=', FPixelWidth, ' Height=', FPixelHeight, ' FCurrentCreated=',FCurrentCreated, ' FCurrentVisible=',FCurrentVisible]);
{$ENDIF}
//if FCurrentCreated then
// LCLIntf.DestroyCaret(FHandle);
// // Create caret includes destroy
@ -1771,18 +1789,34 @@ begin
FCurrentPosX := x - 1;
SetCaretRespondToFocus(Handle, not FPersistentCaret);
end;
if (x <> FCurrentPosX) or (y <> FCurrentPosY) then
if (x <> FCurrentPosX) or (y <> FCurrentPosY) then begin
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret SetPos for handle=',FHandle, ' x=', x, ' y=',y]);
{$ENDIF}
SetCaretPosEx(FHandle, x, y);
if (not FCurrentVisible) and LCLIntf.ShowCaret(Handle) then
FCurrentVisible := True;
end;
if (not FCurrentVisible) then begin
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret ShowCaret for handle=',FHandle, ' FDebugShowCount=',FDebugShowCount]);
inc(FDebugShowCount);
{$ENDIF}
if LCLIntf.ShowCaret(Handle) then
FCurrentVisible := True;
end;
end;
procedure TSynEditScreenCaret.HideCaret;
begin
if FHandle = 0 then exit;
if not FCurrentCreated then exit;
if FCurrentVisible and LCLIntf.HideCaret(Handle) then
FCurrentVisible := False;
if FCurrentVisible then begin
{$IFDeF SynCaretDebug}
debugln(['SynEditCaret HideCaret for handle=',FHandle, ' FDebugShowCount=',FDebugShowCount]);
dec(FDebugShowCount);
{$ENDIF}
if LCLIntf.HideCaret(Handle) then
FCurrentVisible := False;
end;
end;
end.