Sylvestre Ledru
55481ac4b5
replaced by .editorconfig Differential Revision: https://phabricator.services.mozilla.com/D287852
47 lines
1.7 KiB
C++
47 lines
1.7 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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#ifndef LAYOUT_FORMS_BUTTONCONTROLFRAME_H_
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#define LAYOUT_FORMS_BUTTONCONTROLFRAME_H_
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#include "nsBlockFrame.h"
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class nsTextNode;
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namespace mozilla {
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// Abstract base class for:
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// * Combobox <select>.
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// * <input> with type={button,reset,submit}
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// * <input> with type=color
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// Each of which are basically buttons but with different native-anonymous
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// content / shadow tree. Note that this isn't used to implement <button> itself
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// (that uses regular frames like nsBlockFrame or nsGridContainerFrame or so,
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// depending on the display type).
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class ButtonControlFrame : public nsBlockFrame {
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public:
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ButtonControlFrame(ComputedStyle* aStyle, nsPresContext* aPc,
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ClassID aClassID)
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: nsBlockFrame(aStyle, aPc, aClassID) {
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MOZ_ASSERT(IsReplaced(), "Our subclasses should be replaced elements");
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}
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NS_DECL_ABSTRACT_FRAME(ButtonControlFrame)
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nsContainerFrame* GetContentInsertionFrame() override { return this; }
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nsresult HandleEvent(nsPresContext* aPresContext,
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mozilla::WidgetGUIEvent* aEvent,
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nsEventStatus* aEventStatus) override;
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void Reflow(nsPresContext*, ReflowOutput&, const ReflowInput&,
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nsReflowStatus&) override;
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// Given a string of text (for the button label), ensure it's not empty so
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// that line height computations work (inserting a zero-width character if
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// necessary).
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static void EnsureNonEmptyLabel(nsAString&);
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};
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} // namespace mozilla
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#endif // LAYOUT_FORMS_BUTTONCONTROLFRAME_H_
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