Sylvestre Ledru
55481ac4b5
replaced by .editorconfig Differential Revision: https://phabricator.services.mozilla.com/D287852
49 lines
1.9 KiB
C++
49 lines
1.9 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "ButtonControlFrame.h"
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/* Abstract base class for special button frames (but not <button>) */
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using namespace mozilla;
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namespace mozilla {
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void ButtonControlFrame::EnsureNonEmptyLabel(nsAString& aLabel) {
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if (aLabel.IsEmpty()) {
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// Have to use a space character of some sort for line-block-size
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// calculations to be right. Also, the space character must be zero-width in
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// order for the inline-size calculations to be consistent between
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// size-contained comboboxes vs. empty comboboxes.
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//
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// XXXdholbert Does this space need to be "non-breaking"? I'm not sure if it
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// matters, but we previously had a comment here (added in 2002) saying
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// "Have to use a non-breaking space for line-height calculations to be
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// right". So I'll stick with a non-breaking space for now...
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aLabel = u"\ufeff"_ns;
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}
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}
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nsresult ButtonControlFrame::HandleEvent(nsPresContext* aPresContext,
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WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) {
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// Override HandleEvent to prevent the inherited version from being called
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// when disabled.
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if (IsContentDisabled()) {
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return nsBlockFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
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}
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return NS_OK;
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}
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void ButtonControlFrame::Reflow(nsPresContext* aPc, ReflowOutput& aReflowOutput,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus) {
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nsBlockFrame::Reflow(aPc, aReflowOutput, aReflowInput, aStatus);
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// We're always complete and we don't support overflow containers
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// so we shouldn't have a next-in-flow ever.
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aStatus.Reset();
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}
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} // namespace mozilla
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