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Add the much requested support for find in <textarea> and text <input> elements. Also fix a long-standing problem with the mutually-exclusion: selecting something in a text field doesn't clear an earlier selection outside. b=58305, r=akkana, sr=jst

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rbs@maths.uq.edu.au
2004-04-15 19:45:46 +00:00
parent 1bc786345f
commit 39925ec57d
6 changed files with 620 additions and 106 deletions
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44
layout/forms/nsTextControlFrame.cpp
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@@ -585,16 +585,6 @@ nsTextInputSelectionImpl::SetCaretEnabled(PRBool enabled)
nsCOMPtr<nsIPresShell> shell = do_QueryReferent(mPresShellWeak);
if (!shell) return NS_ERROR_FAILURE;
// first, tell the caret which selection to use
nsCOMPtr<nsISelection> domSel;
GetSelection(nsISelectionController::SELECTION_NORMAL, getter_AddRefs(domSel));
if (!domSel) return NS_ERROR_FAILURE;
nsCOMPtr<nsICaret> caret;
shell->GetCaret(getter_AddRefs(caret));
if (!caret) return NS_OK;
caret->SetCaretDOMSelection(domSel);
// tell the pres shell to enable the caret, rather than settings its visibility directly.
// this way the presShell's idea of caret visibility is maintained.
@@ -2086,7 +2076,39 @@ nsTextControlFrame::GetFormControlType() const
return nsFormControlHelper::GetType(mContent);
}
void nsTextControlFrame::SetFocus(PRBool aOn , PRBool aRepaint){}
void nsTextControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
{
if (!aOn || !mSelCon)
return;
// tell the caret to use our selection
nsCOMPtr<nsISelection> ourSel;
mSelCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
getter_AddRefs(ourSel));
if (!ourSel) return;
nsIPresShell* presShell = GetPresContext()->GetPresShell();
nsCOMPtr<nsICaret> caret;
presShell->GetCaret(getter_AddRefs(caret));
if (!caret) return;
caret->SetCaretDOMSelection(ourSel);
// mutual-exclusion: the selection is either controlled by the
// document or by the text input/area. Clear any selection in the
// document since the focus is now on our independent selection.
nsCOMPtr<nsISelectionController> selCon(do_QueryInterface(presShell));
nsCOMPtr<nsISelection> docSel;
selCon->GetSelection(nsISelectionController::SELECTION_NORMAL,
getter_AddRefs(docSel));
if (!docSel) return;
PRBool isCollapsed = PR_FALSE;
docSel->GetIsCollapsed(&isCollapsed);
if (!isCollapsed)
docSel->RemoveAllRanges();
}
void nsTextControlFrame::ScrollIntoView(nsIPresContext* aPresContext)
{