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LCL: fix the hint behavior after the earlier change.

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git-svn-id: trunk@33082 -
This commit is contained in:
juha 2011-10-25 11:43:00 +00:00
parent b620fb101b
commit dd109fba91
1 changed files with 19 additions and 11 deletions
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30
lcl/include/application.inc
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@ -37,16 +37,25 @@ begin
end; end;
function GetHintControl(Control: TControl): TControl; function GetHintControl(Control: TControl): TControl;
var
ParentC: TControl;
begin begin
Result := Control; Result := Control; // Will return the original control to get the correct hint text.
while (Result <> nil) and not Result.ShowHint do begin
// if both ShowHint and ParentShowHint are false -> leave // Show hint only when program is running normally
if not Result.IsParentShowHint then if (Control <> nil) and
exit(Nil); ([csDesigning, csDestroying, csLoading] * Control.ComponentState <> []) then
Result := Result.Parent; exit(nil);
// Iterate parents. If control and its parents don't have ShowHint=True -> no hint
ParentC := Control;
while (ParentC <> nil) and not ParentC.ShowHint do begin
// if both ShowHint and ParentShowHint are false -> no hint
if not ParentC.IsParentShowHint then
exit(nil);
ParentC := ParentC.Parent;
end; end;
if (Result <> nil) and if (ParentC = nil) then
([csDesigning, csDestroying, csLoading] * Result.ComponentState <> []) then
Result := nil; Result := nil;
end; end;
@ -55,7 +64,7 @@ begin
Result.MousePos := CursorPos; Result.MousePos := CursorPos;
Result.Control := GetHintControl(FindControlAtPosition(Result.MousePos, True)); Result.Control := GetHintControl(FindControlAtPosition(Result.MousePos, True));
Result.ControlHasHint := Assigned(Result.Control) and Assigned(Application) and Result.ControlHasHint := Assigned(Result.Control) and Assigned(Application) and
Application.ShowHint and (GetCapture = 0) and Application.ShowHint and (GetCapture = 0) and
((GetKeyState(VK_LBUTTON) and $80) = 0) and ((GetKeyState(VK_LBUTTON) and $80) = 0) and
((GetKeyState(VK_MBUTTON) and $80) = 0) and ((GetKeyState(VK_MBUTTON) and $80) = 0) and
((GetKeyState(VK_RBUTTON) and $80) = 0); ((GetKeyState(VK_RBUTTON) and $80) = 0);
@ -179,8 +188,7 @@ begin
OnGetApplicationName := nil; OnGetApplicationName := nil;
end; end;
procedure TApplication.ActivateHint(CursorPos: TPoint; procedure TApplication.ActivateHint(CursorPos: TPoint; CheckHintControlChange: Boolean);
CheckHintControlChange: Boolean);
var var
Info: THintInfoAtMouse; Info: THintInfoAtMouse;
HintControlChanged: Boolean; HintControlChanged: Boolean;