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gecko-dev
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gecko-dev/layout/generic/nsRubyBaseFrame.cpp

55 строки
1.4 KiB
C++
Исходник Обычный вид История

Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-23 06:08:01 +04:00
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code is subject to the terms of the Mozilla Public License
* version 2.0 (the "License"). You can obtain a copy of the License at
* http://mozilla.org/MPL/2.0/. */
/* rendering object for CSS "display: ruby-base" */
#include "nsRubyBaseFrame.h"
Bug 1120300 - Export WritingModes.h as mozilla/WritingModes.h. r=jfkthame
2015-03-26 10:29:31 +03:00
#include "mozilla/WritingModes.h"
Bug 1030993 - Basic reflow implementation for ruby frame classes. r=dbaron To account for spacing between bases or text boxes during reflow, the line layout which manages the bases updates its inline direction coordinate based on the preferred inline size for the corresponding text boxes. Next, the base is reflowed at the correct inline coordinate. Each paired text box is then also reflowed at the proper inline position determined by (1) the current position of its corresponding base and (2) its own preferred width. In computing intrinsic widths, accounting for spacing is less complicated. The minimum intrinsic width is the width of the widest ruby column, and the preferred intrinsic width is the sum of all the ruby column widths. Each ruby column width is the maximum width of its base box and text boxes. These individual widths are determined using GetPrefISize on the base and text boxes. Ruby base container frames store a list of pointers to the ruby text container frames in the segment they denote. This list of pointers is created in the ruby frame reflow method before calling the reflow method for the ruby base container. The list exists and is used only during reflow of the main ruby frame and is cleared before returning from reflow.
2014-08-15 21:34:20 +04:00
#include "nsLineLayout.h"
Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-23 06:08:01 +04:00
#include "nsPresContext.h"
#include "nsStyleContext.h"
Bug 1030993 - Basic reflow implementation for ruby frame classes. r=dbaron To account for spacing between bases or text boxes during reflow, the line layout which manages the bases updates its inline direction coordinate based on the preferred inline size for the corresponding text boxes. Next, the base is reflowed at the correct inline coordinate. Each paired text box is then also reflowed at the proper inline position determined by (1) the current position of its corresponding base and (2) its own preferred width. In computing intrinsic widths, accounting for spacing is less complicated. The minimum intrinsic width is the width of the widest ruby column, and the preferred intrinsic width is the sum of all the ruby column widths. Each ruby column width is the maximum width of its base box and text boxes. These individual widths are determined using GetPrefISize on the base and text boxes. Ruby base container frames store a list of pointers to the ruby text container frames in the segment they denote. This list of pointers is created in the ruby frame reflow method before calling the reflow method for the ruby base container. The list exists and is used only during reflow of the main ruby frame and is cleared before returning from reflow.
2014-08-15 21:34:20 +04:00
using namespace mozilla;
Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-23 06:08:01 +04:00
//----------------------------------------------------------------------
// Frame class boilerplate
// =======================
NS_QUERYFRAME_HEAD(nsRubyBaseFrame)
NS_QUERYFRAME_ENTRY(nsRubyBaseFrame)
Bug 1099807 part 1 - Add common superclass for ruby base and ruby text. r=dholbert --HG-- extra : source : 9dd5b0a847a1d698589c14e9dde5ced195eed646
2015-01-08 10:28:09 +03:00
NS_QUERYFRAME_TAIL_INHERITING(nsRubyBaseFrameSuper)
Bug 1021952 - Add ruby display values and ruby frames. r=dholbert,bz
2014-07-23 06:08:01 +04:00
NS_IMPL_FRAMEARENA_HELPERS(nsRubyBaseFrame)
nsContainerFrame*
NS_NewRubyBaseFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext)
{
return new (aPresShell) nsRubyBaseFrame(aContext);
}
//----------------------------------------------------------------------
// nsRubyBaseFrame Method Implementations
// ======================================
nsIAtom*
nsRubyBaseFrame::GetType() const
{
return nsGkAtoms::rubyBaseFrame;
}
#ifdef DEBUG_FRAME_DUMP
nsresult
nsRubyBaseFrame::GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("RubyBase"), aResult);
}
#endif