From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- layout/forms/nsGfxButtonControlFrame.cpp | 178 +++++++++++++++++++++++++++++++ 1 file changed, 178 insertions(+) create mode 100644 layout/forms/nsGfxButtonControlFrame.cpp (limited to 'layout/forms/nsGfxButtonControlFrame.cpp') diff --git a/layout/forms/nsGfxButtonControlFrame.cpp b/layout/forms/nsGfxButtonControlFrame.cpp new file mode 100644 index 0000000000..37aa996c27 --- /dev/null +++ b/layout/forms/nsGfxButtonControlFrame.cpp @@ -0,0 +1,178 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsGfxButtonControlFrame.h" +#include "nsIFormControl.h" +#include "nsGkAtoms.h" +#include "mozilla/PresShell.h" +#include "mozilla/dom/HTMLInputElement.h" +#include "nsContentUtils.h" +#include "nsTextNode.h" + +using namespace mozilla; + +nsGfxButtonControlFrame::nsGfxButtonControlFrame(ComputedStyle* aStyle, + nsPresContext* aPresContext) + : nsHTMLButtonControlFrame(aStyle, aPresContext, kClassID) {} + +nsContainerFrame* NS_NewGfxButtonControlFrame(PresShell* aPresShell, + ComputedStyle* aStyle) { + return new (aPresShell) + nsGfxButtonControlFrame(aStyle, aPresShell->GetPresContext()); +} + +NS_IMPL_FRAMEARENA_HELPERS(nsGfxButtonControlFrame) + +void nsGfxButtonControlFrame::Destroy(DestroyContext& aContext) { + aContext.AddAnonymousContent(mTextContent.forget()); + nsHTMLButtonControlFrame::Destroy(aContext); +} + +#ifdef DEBUG_FRAME_DUMP +nsresult nsGfxButtonControlFrame::GetFrameName(nsAString& aResult) const { + return MakeFrameName(u"ButtonControl"_ns, aResult); +} +#endif + +// Create the text content used as label for the button. +// The frame will be generated by the frame constructor. +nsresult nsGfxButtonControlFrame::CreateAnonymousContent( + nsTArray& aElements) { + nsAutoString label; + nsresult rv = GetLabel(label); + NS_ENSURE_SUCCESS(rv, rv); + + // Add a child text content node for the label + mTextContent = new (mContent->NodeInfo()->NodeInfoManager()) + nsTextNode(mContent->NodeInfo()->NodeInfoManager()); + + // set the value of the text node and add it to the child list + mTextContent->SetText(label, false); + aElements.AppendElement(mTextContent); + + return NS_OK; +} + +void nsGfxButtonControlFrame::AppendAnonymousContentTo( + nsTArray& aElements, uint32_t aFilter) { + if (mTextContent) { + aElements.AppendElement(mTextContent); + } +} + +NS_QUERYFRAME_HEAD(nsGfxButtonControlFrame) + NS_QUERYFRAME_ENTRY(nsIAnonymousContentCreator) +NS_QUERYFRAME_TAIL_INHERITING(nsHTMLButtonControlFrame) + +// Initially we hardcoded the default strings here. +// Next, we used html.css to store the default label for various types +// of buttons. (nsGfxButtonControlFrame::DoNavQuirksReflow rev 1.20) +// However, since html.css is not internationalized, we now grab the default +// label from a string bundle as is done for all other UI strings. +// See bug 16999 for further details. +nsresult nsGfxButtonControlFrame::GetDefaultLabel(nsAString& aString) const { + nsCOMPtr form = do_QueryInterface(mContent); + NS_ENSURE_TRUE(form, NS_ERROR_UNEXPECTED); + + auto type = form->ControlType(); + const char* prop; + if (type == FormControlType::InputReset) { + prop = "Reset"; + } else if (type == FormControlType::InputSubmit) { + prop = "Submit"; + } else { + aString.Truncate(); + return NS_OK; + } + + return nsContentUtils::GetMaybeLocalizedString( + nsContentUtils::eFORMS_PROPERTIES, prop, mContent->OwnerDoc(), aString); +} + +nsresult nsGfxButtonControlFrame::GetLabel(nsString& aLabel) { + // Get the text from the "value" property on our content if there is + // one; otherwise set it to a default value (localized). + auto* elt = dom::HTMLInputElement::FromNode(mContent); + if (elt && elt->HasAttr(nsGkAtoms::value)) { + elt->GetValue(aLabel, dom::CallerType::System); + } else { + // Generate localized label. + // We can't make any assumption as to what the default would be + // because the value is localized for non-english platforms, thus + // it might not be the string "Reset", "Submit Query", or "Browse..." + nsresult rv; + rv = GetDefaultLabel(aLabel); + NS_ENSURE_SUCCESS(rv, rv); + } + + // Compress whitespace out of label if needed. + if (!StyleText()->WhiteSpaceIsSignificant()) { + aLabel.CompressWhitespace(); + } else if (aLabel.Length() > 2 && aLabel.First() == ' ' && + aLabel.CharAt(aLabel.Length() - 1) == ' ') { + // This is a bit of a hack. The reason this is here is as follows: we now + // have default padding on our buttons to make them non-ugly. + // Unfortunately, IE-windows does not have such padding, so people will + // stick values like " ok " (with the spaces) in the buttons in an attempt + // to make them look decent. Unfortunately, if they do this the button + // looks way too big in Mozilla. Worse yet, if they do this _and_ set a + // fixed width for the button we run into trouble because our focus-rect + // border/padding and outer border take up 10px of the horizontal button + // space or so; the result is that the text is misaligned, even with the + // recentering we do in nsHTMLButtonControlFrame::Reflow. So to solve + // this, even if the whitespace is significant, single leading and trailing + // _spaces_ (and not other whitespace) are removed. The proper solution, + // of course, is to not have the focus rect painting taking up 6px of + // horizontal space. We should do that instead (changing the renderer) and + // remove this. + aLabel.Cut(0, 1); + aLabel.Truncate(aLabel.Length() - 1); + } + + return NS_OK; +} + +nsresult nsGfxButtonControlFrame::AttributeChanged(int32_t aNameSpaceID, + nsAtom* aAttribute, + int32_t aModType) { + nsresult rv = NS_OK; + + // If the value attribute is set, update the text of the label + if (nsGkAtoms::value == aAttribute) { + if (mTextContent && mContent) { + nsAutoString label; + rv = GetLabel(label); + NS_ENSURE_SUCCESS(rv, rv); + + mTextContent->SetText(label, true); + } else { + rv = NS_ERROR_UNEXPECTED; + } + + // defer to HTMLButtonControlFrame + } else { + rv = nsHTMLButtonControlFrame::AttributeChanged(aNameSpaceID, aAttribute, + aModType); + } + return rv; +} + +nsContainerFrame* nsGfxButtonControlFrame::GetContentInsertionFrame() { + return this; +} + +nsresult nsGfxButtonControlFrame::HandleEvent(nsPresContext* aPresContext, + WidgetGUIEvent* aEvent, + nsEventStatus* aEventStatus) { + // Override the HandleEvent to prevent the nsIFrame::HandleEvent + // from being called. The nsIFrame::HandleEvent causes the button label + // to be selected (Drawn with an XOR rectangle over the label) + + if (IsContentDisabled()) { + return nsIFrame::HandleEvent(aPresContext, aEvent, aEventStatus); + } + return NS_OK; +} -- cgit v1.2.3