/usr/include/firefox/nsGrid.h is in firefox-dev 11.0+build1-0ubuntu4.
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Eric D Vaughan (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsGrid_h___
#define nsGrid_h___
#include "nsStackLayout.h"
#include "nsIGridPart.h"
#include "nsCOMPtr.h"
#include "nsIFrame.h"
class nsGridRowGroupLayout;
class nsGridRowLayout;
class nsBoxLayoutState;
class nsGridCell;
//#define DEBUG_grid 1
/**
* The grid data structure, i.e., the grid cellmap.
*/
class nsGrid
{
public:
nsGrid();
~nsGrid();
nsGridRow* GetColumnAt(PRInt32 aIndex, bool aIsHorizontal = true);
nsGridRow* GetRowAt(PRInt32 aIndex, bool aIsHorizontal = true);
nsGridCell* GetCellAt(PRInt32 aX, PRInt32 aY);
void NeedsRebuild(nsBoxLayoutState& aBoxLayoutState);
void RebuildIfNeeded();
// For all the methods taking an aIsHorizontal parameter:
// * When aIsHorizontal is true, the words "rows" and (for
// GetColumnCount) "columns" refer to their normal meanings.
// * When aIsHorizontal is false, the meanings are flipped.
// FIXME: Maybe eliminate GetColumnCount and change aIsHorizontal to
// aIsRows? (Calling it horizontal doesn't really make sense because
// row groups and columns have vertical orientation, whereas column
// groups and rows are horizontal.)
nsSize GetPrefRowSize(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
nsSize GetMinRowSize(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
nsSize GetMaxRowSize(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
nscoord GetRowFlex(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
nscoord GetPrefRowHeight(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
nscoord GetMinRowHeight(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
nscoord GetMaxRowHeight(nsBoxLayoutState& aBoxLayoutState, PRInt32 aRowIndex, bool aIsHorizontal = true);
void GetRowOffsets(nsBoxLayoutState& aState, PRInt32 aIndex, nscoord& aTop, nscoord& aBottom, bool aIsHorizontal = true);
void RowAddedOrRemoved(nsBoxLayoutState& aBoxLayoutState, PRInt32 aIndex, bool aIsHorizontal = true);
void CellAddedOrRemoved(nsBoxLayoutState& aBoxLayoutState, PRInt32 aIndex, bool aIsHorizontal = true);
void DirtyRows(nsIBox* aRowBox, nsBoxLayoutState& aState);
#ifdef DEBUG_grid
void PrintCellMap();
#endif
PRInt32 GetExtraColumnCount(bool aIsHorizontal = true);
PRInt32 GetExtraRowCount(bool aIsHorizontal = true);
// accessors
void SetBox(nsIBox* aBox) { mBox = aBox; }
nsIBox* GetBox() { return mBox; }
nsIBox* GetRowsBox() { return mRowsBox; }
nsIBox* GetColumnsBox() { return mColumnsBox; }
PRInt32 GetRowCount(PRInt32 aIsHorizontal = true);
PRInt32 GetColumnCount(PRInt32 aIsHorizontal = true);
static nsIBox* GetScrolledBox(nsIBox* aChild);
static nsIBox* GetScrollBox(nsIBox* aChild);
static nsIGridPart* GetPartFromBox(nsIBox* aBox);
void GetFirstAndLastRow(nsBoxLayoutState& aState,
PRInt32& aFirstIndex,
PRInt32& aLastIndex,
nsGridRow*& aFirstRow,
nsGridRow*& aLastRow,
bool aIsHorizontal);
private:
nsMargin GetBoxTotalMargin(nsIBox* aBox, bool aIsHorizontal = true);
void FreeMap();
void FindRowsAndColumns(nsIBox** aRows, nsIBox** aColumns);
void BuildRows(nsIBox* aBox, PRInt32 aSize, nsGridRow** aColumnsRows, bool aIsHorizontal = true);
nsGridCell* BuildCellMap(PRInt32 aRows, PRInt32 aColumns);
void PopulateCellMap(nsGridRow* aRows, nsGridRow* aColumns, PRInt32 aRowCount, PRInt32 aColumnCount, bool aIsHorizontal = true);
void CountRowsColumns(nsIBox* aBox, PRInt32& aRowCount, PRInt32& aComputedColumnCount);
void SetLargestSize(nsSize& aSize, nscoord aHeight, bool aIsHorizontal = true);
void SetSmallestSize(nsSize& aSize, nscoord aHeight, bool aIsHorizontal = true);
bool IsGrid(nsIBox* aBox);
// the box that implement the <grid> tag
nsIBox* mBox;
// an array of row object
nsGridRow* mRows;
// an array of columns objects.
nsGridRow* mColumns;
// the first in the <grid> that implements the <rows> tag.
nsIBox* mRowsBox;
// the first in the <grid> that implements the <columns> tag.
nsIBox* mColumnsBox;
// a flag that is false tells us to rebuild the who grid
bool mNeedsRebuild;
// number of rows and columns as defined by the XUL
PRInt32 mRowCount;
PRInt32 mColumnCount;
// number of rows and columns that are implied but not
// explicitly defined int he XUL
PRInt32 mExtraRowCount;
PRInt32 mExtraColumnCount;
// x,y array of cells in the rows and columns
nsGridCell* mCellMap;
// a flag that when true suppresses all other MarkDirties. This
// prevents lots of extra work being done.
bool mMarkingDirty;
};
#endif
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