25bd5d8adb
subrepo: subdir: "deps/juce" merged: "b13f9084e" upstream: origin: "https://github.com/essej/JUCE.git" branch: "sono6good" commit: "b13f9084e" git-subrepo: version: "0.4.3" origin: "https://github.com/ingydotnet/git-subrepo.git" commit: "2f68596"
1345 lines
52 KiB
C++
1345 lines
52 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2020 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 6 End-User License
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Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
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End User License Agreement: www.juce.com/juce-6-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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struct AllTracksIncludingImplicit
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{
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Array<Grid::TrackInfo> items;
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int numImplicitLeading; // The number of implicit items before the explicit items
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};
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struct Tracks
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{
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AllTracksIncludingImplicit columns, rows;
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};
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struct Grid::SizeCalculation
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{
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static float getTotalAbsoluteSize (const Array<TrackInfo>& tracks, Px gapSize) noexcept
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{
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float totalCellSize = 0.0f;
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for (const auto& trackInfo : tracks)
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if (! trackInfo.isFractional() || trackInfo.isAuto())
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totalCellSize += trackInfo.getSize();
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float totalGap = tracks.size() > 1 ? static_cast<float> ((tracks.size() - 1) * gapSize.pixels)
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: 0.0f;
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return totalCellSize + totalGap;
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}
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static float getRelativeUnitSize (float size, float totalAbsolute, const Array<TrackInfo>& tracks) noexcept
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{
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const float totalRelative = jlimit (0.0f, size, size - totalAbsolute);
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float factorsSum = 0.0f;
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for (const auto& trackInfo : tracks)
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if (trackInfo.isFractional())
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factorsSum += trackInfo.getSize();
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jassert (factorsSum != 0.0f);
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return totalRelative / factorsSum;
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}
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//==============================================================================
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static float getTotalAbsoluteHeight (const Array<TrackInfo>& rowTracks, Px rowGap)
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{
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return getTotalAbsoluteSize (rowTracks, rowGap);
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}
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static float getTotalAbsoluteWidth (const Array<TrackInfo>& columnTracks, Px columnGap)
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{
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return getTotalAbsoluteSize (columnTracks, columnGap);
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}
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static float getRelativeWidthUnit (float gridWidth, Px columnGap, const Array<TrackInfo>& columnTracks)
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{
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return getRelativeUnitSize (gridWidth, getTotalAbsoluteWidth (columnTracks, columnGap), columnTracks);
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}
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static float getRelativeHeightUnit (float gridHeight, Px rowGap, const Array<TrackInfo>& rowTracks)
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{
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return getRelativeUnitSize (gridHeight, getTotalAbsoluteHeight (rowTracks, rowGap), rowTracks);
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}
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//==============================================================================
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static bool hasAnyFractions (const Array<TrackInfo>& tracks)
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{
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return std::any_of (tracks.begin(),
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tracks.end(),
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[] (const auto& t) { return t.isFractional(); });
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}
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void computeSizes (float gridWidth, float gridHeight,
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Px columnGapToUse, Px rowGapToUse,
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const Tracks& tracks)
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{
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if (hasAnyFractions (tracks.columns.items))
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relativeWidthUnit = getRelativeWidthUnit (gridWidth, columnGapToUse, tracks.columns.items);
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else
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remainingWidth = gridWidth - getTotalAbsoluteSize (tracks.columns.items, columnGapToUse);
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if (hasAnyFractions (tracks.rows.items))
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relativeHeightUnit = getRelativeHeightUnit (gridHeight, rowGapToUse, tracks.rows.items);
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else
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remainingHeight = gridHeight - getTotalAbsoluteSize (tracks.rows.items, rowGapToUse);
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}
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float relativeWidthUnit = 0.0f;
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float relativeHeightUnit = 0.0f;
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float remainingWidth = 0.0f;
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float remainingHeight = 0.0f;
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};
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//==============================================================================
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struct Grid::PlacementHelpers
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{
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enum { invalid = -999999 };
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static constexpr auto emptyAreaCharacter = ".";
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//==============================================================================
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struct LineRange { int start, end; };
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struct LineArea { LineRange column, row; };
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struct LineInfo { StringArray lineNames; };
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struct NamedArea
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{
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String name;
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LineArea lines;
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};
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//==============================================================================
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static Array<LineInfo> getArrayOfLinesFromTracks (const Array<TrackInfo>& tracks)
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{
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// fill line info array
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Array<LineInfo> lines;
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for (int i = 1; i <= tracks.size(); ++i)
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{
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const auto& currentTrack = tracks.getReference (i - 1);
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if (i == 1) // start line
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{
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LineInfo li;
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li.lineNames.add (currentTrack.getStartLineName());
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lines.add (li);
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}
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if (i > 1 && i <= tracks.size()) // two lines in between tracks
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{
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const auto& prevTrack = tracks.getReference (i - 2);
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LineInfo li;
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li.lineNames.add (prevTrack.getEndLineName());
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li.lineNames.add (currentTrack.getStartLineName());
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lines.add (li);
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}
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if (i == tracks.size()) // end line
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{
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LineInfo li;
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li.lineNames.add (currentTrack.getEndLineName());
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lines.add (li);
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}
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}
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jassert (lines.size() == tracks.size() + 1);
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return lines;
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}
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//==============================================================================
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static int deduceAbsoluteLineNumberFromLineName (GridItem::Property prop,
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const Array<TrackInfo>& tracks)
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{
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jassert (prop.hasAbsolute());
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const auto lines = getArrayOfLinesFromTracks (tracks);
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int count = 0;
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for (int i = 0; i < lines.size(); i++)
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{
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for (const auto& name : lines.getReference (i).lineNames)
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{
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if (prop.getName() == name)
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{
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++count;
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break;
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}
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}
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if (count == prop.getNumber())
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return i + 1;
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}
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jassertfalse;
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return count;
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}
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static int deduceAbsoluteLineNumber (GridItem::Property prop,
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const Array<TrackInfo>& tracks)
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{
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jassert (prop.hasAbsolute());
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if (prop.hasName())
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return deduceAbsoluteLineNumberFromLineName (prop, tracks);
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if (prop.getNumber() > 0)
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return prop.getNumber();
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if (prop.getNumber() < 0)
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return tracks.size() + 2 + prop.getNumber();
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// An integer value of 0 is invalid
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jassertfalse;
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return 1;
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}
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static int deduceAbsoluteLineNumberFromNamedSpan (int startLineNumber,
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GridItem::Property propertyWithSpan,
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const Array<TrackInfo>& tracks)
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{
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jassert (propertyWithSpan.hasSpan());
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const auto lines = getArrayOfLinesFromTracks (tracks);
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int count = 0;
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for (int i = startLineNumber; i < lines.size(); i++)
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{
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for (const auto& name : lines.getReference (i).lineNames)
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{
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if (propertyWithSpan.getName() == name)
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{
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++count;
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break;
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}
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}
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if (count == propertyWithSpan.getNumber())
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return i + 1;
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}
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jassertfalse;
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return count;
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}
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static int deduceAbsoluteLineNumberBasedOnSpan (int startLineNumber,
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GridItem::Property propertyWithSpan,
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const Array<TrackInfo>& tracks)
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{
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jassert (propertyWithSpan.hasSpan());
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if (propertyWithSpan.hasName())
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return deduceAbsoluteLineNumberFromNamedSpan (startLineNumber, propertyWithSpan, tracks);
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return startLineNumber + propertyWithSpan.getNumber();
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}
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//==============================================================================
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static LineRange deduceLineRange (GridItem::StartAndEndProperty prop, const Array<TrackInfo>& tracks)
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{
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jassert (! (prop.start.hasAuto() && prop.end.hasAuto()));
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if (prop.start.hasAbsolute() && prop.end.hasAuto())
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{
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prop.end = GridItem::Span (1);
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}
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else if (prop.start.hasAuto() && prop.end.hasAbsolute())
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{
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prop.start = GridItem::Span (1);
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}
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auto s = [&]() -> LineRange
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{
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if (prop.start.hasAbsolute() && prop.end.hasAbsolute())
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{
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return { deduceAbsoluteLineNumber (prop.start, tracks),
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deduceAbsoluteLineNumber (prop.end, tracks) };
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}
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if (prop.start.hasAbsolute() && prop.end.hasSpan())
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{
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const auto start = deduceAbsoluteLineNumber (prop.start, tracks);
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return { start, deduceAbsoluteLineNumberBasedOnSpan (start, prop.end, tracks) };
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}
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if (prop.start.hasSpan() && prop.end.hasAbsolute())
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{
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const auto start = deduceAbsoluteLineNumber (prop.end, tracks);
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return { start, deduceAbsoluteLineNumberBasedOnSpan (start, prop.start, tracks) };
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}
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// Can't have an item with spans on both start and end.
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jassertfalse;
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return {};
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}();
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// swap if start overtakes end
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if (s.start > s.end)
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std::swap (s.start, s.end);
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else if (s.start == s.end)
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s.end = s.start + 1;
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return s;
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}
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static LineArea deduceLineArea (const GridItem& item,
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const Grid& grid,
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const std::map<String, LineArea>& namedAreas)
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{
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if (item.area.isNotEmpty() && ! grid.templateAreas.isEmpty())
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{
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// Must be a named area!
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jassert (namedAreas.count (item.area) != 0);
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return namedAreas.at (item.area);
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}
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return { deduceLineRange (item.column, grid.templateColumns),
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deduceLineRange (item.row, grid.templateRows) };
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}
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//==============================================================================
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static Array<StringArray> parseAreasProperty (const StringArray& areasStrings)
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{
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Array<StringArray> strings;
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for (const auto& areaString : areasStrings)
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strings.add (StringArray::fromTokens (areaString, false));
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if (strings.size() > 0)
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{
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for (auto s : strings)
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{
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jassert (s.size() == strings[0].size()); // all rows must have the same number of columns
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}
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}
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return strings;
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}
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static NamedArea findArea (Array<StringArray>& stringsArrays)
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{
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NamedArea area;
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for (auto& stringArray : stringsArrays)
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{
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for (auto& string : stringArray)
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{
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// find anchor
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if (area.name.isEmpty())
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{
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if (string != emptyAreaCharacter)
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{
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area.name = string;
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area.lines.row.start = stringsArrays.indexOf (stringArray) + 1; // non-zero indexed;
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area.lines.column.start = stringArray.indexOf (string) + 1; // non-zero indexed;
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area.lines.row.end = stringsArrays.indexOf (stringArray) + 2;
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area.lines.column.end = stringArray.indexOf (string) + 2;
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// mark as visited
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string = emptyAreaCharacter;
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}
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}
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else
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{
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if (string == area.name)
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{
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area.lines.row.end = stringsArrays.indexOf (stringArray) + 2;
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area.lines.column.end = stringArray.indexOf (string) + 2;
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// mark as visited
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string = emptyAreaCharacter;
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}
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}
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}
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}
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return area;
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}
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//==============================================================================
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static std::map<String, LineArea> deduceNamedAreas (const StringArray& areasStrings)
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{
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auto stringsArrays = parseAreasProperty (areasStrings);
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std::map<String, LineArea> areas;
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for (auto area = findArea (stringsArrays); area.name.isNotEmpty(); area = findArea (stringsArrays))
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{
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if (areas.count (area.name) == 0)
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areas[area.name] = area.lines;
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else
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// Make sure your template-areas property only has one area with the same name and is well-formed
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jassertfalse;
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}
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return areas;
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}
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//==============================================================================
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static float getCoord (int trackNumber, float relativeUnit, Px gap, const Array<TrackInfo>& tracks)
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{
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float c = 0;
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for (const auto* it = tracks.begin(); it != tracks.begin() + trackNumber; ++it)
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c += it->getAbsoluteSize (relativeUnit) + static_cast<float> (gap.pixels);
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return c;
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}
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static Rectangle<float> getCellBounds (int columnNumber, int rowNumber,
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const Tracks& tracks,
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SizeCalculation calculation,
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Px columnGap, Px rowGap)
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{
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const auto correctedColumn = columnNumber - 1 + tracks.columns.numImplicitLeading;
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const auto correctedRow = rowNumber - 1 + tracks.rows .numImplicitLeading;
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jassert (isPositiveAndBelow (correctedColumn, tracks.columns.items.size()));
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jassert (isPositiveAndBelow (correctedRow, tracks.rows .items.size()));
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return { getCoord (correctedColumn, calculation.relativeWidthUnit, columnGap, tracks.columns.items),
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getCoord (correctedRow, calculation.relativeHeightUnit, rowGap, tracks.rows .items),
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tracks.columns.items.getReference (correctedColumn).getAbsoluteSize (calculation.relativeWidthUnit),
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tracks.rows .items.getReference (correctedRow) .getAbsoluteSize (calculation.relativeHeightUnit) };
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}
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static Rectangle<float> alignCell (Rectangle<float> area,
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int columnNumber, int rowNumber,
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int numberOfColumns, int numberOfRows,
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SizeCalculation calculation,
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AlignContent alignContent,
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JustifyContent justifyContent)
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{
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if (alignContent == AlignContent::end)
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area.setY (area.getY() + calculation.remainingHeight);
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if (justifyContent == JustifyContent::end)
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area.setX (area.getX() + calculation.remainingWidth);
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if (alignContent == AlignContent::center)
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area.setY (area.getY() + calculation.remainingHeight / 2);
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if (justifyContent == JustifyContent::center)
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area.setX (area.getX() + calculation.remainingWidth / 2);
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if (alignContent == AlignContent::spaceBetween)
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{
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const auto shift = ((float) (rowNumber - 1) * (calculation.remainingHeight / float(numberOfRows - 1)));
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area.setY (area.getY() + shift);
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}
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if (justifyContent == JustifyContent::spaceBetween)
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{
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const auto shift = ((float) (columnNumber - 1) * (calculation.remainingWidth / float(numberOfColumns - 1)));
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area.setX (area.getX() + shift);
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}
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if (alignContent == AlignContent::spaceEvenly)
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{
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const auto shift = ((float) rowNumber * (calculation.remainingHeight / float(numberOfRows + 1)));
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area.setY (area.getY() + shift);
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}
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if (justifyContent == JustifyContent::spaceEvenly)
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{
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const auto shift = ((float) columnNumber * (calculation.remainingWidth / float(numberOfColumns + 1)));
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area.setX (area.getX() + shift);
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}
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if (alignContent == AlignContent::spaceAround)
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{
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const auto inbetweenShift = calculation.remainingHeight / float(numberOfRows);
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const auto sidesShift = inbetweenShift / 2;
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auto shift = (float) (rowNumber - 1) * inbetweenShift + sidesShift;
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area.setY (area.getY() + shift);
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}
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if (justifyContent == JustifyContent::spaceAround)
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{
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const auto inbetweenShift = calculation.remainingWidth / float(numberOfColumns);
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const auto sidesShift = inbetweenShift / 2;
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auto shift = (float) (columnNumber - 1) * inbetweenShift + sidesShift;
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area.setX (area.getX() + shift);
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}
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return area;
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}
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static Rectangle<float> getAreaBounds (PlacementHelpers::LineRange columnRange,
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PlacementHelpers::LineRange rowRange,
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const Tracks& tracks,
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SizeCalculation calculation,
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AlignContent alignContent,
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JustifyContent justifyContent,
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Px columnGap, Px rowGap)
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{
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const auto findAlignedCell = [&] (int column, int row)
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{
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const auto cell = getCellBounds (column, row, tracks, calculation, columnGap, rowGap);
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return alignCell (cell,
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column,
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row,
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tracks.columns.items.size(),
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tracks.rows.items.size(),
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calculation,
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alignContent,
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justifyContent);
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};
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const auto startCell = findAlignedCell (columnRange.start, rowRange.start);
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const auto endCell = findAlignedCell (columnRange.end - 1, rowRange.end - 1);
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const auto horizontalRange = startCell.getHorizontalRange().getUnionWith (endCell.getHorizontalRange());
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const auto verticalRange = startCell.getVerticalRange() .getUnionWith (endCell.getVerticalRange());
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return { horizontalRange.getStart(), verticalRange.getStart(),
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horizontalRange.getLength(), verticalRange.getLength() };
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}
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};
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template <typename Item>
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static Array<Item> operator+ (const Array<Item>& a, const Array<Item>& b)
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{
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auto copy = a;
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copy.addArray (b);
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return copy;
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}
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//==============================================================================
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struct Grid::AutoPlacement
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{
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using ItemPlacementArray = Array<std::pair<GridItem*, PlacementHelpers::LineArea>>;
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|
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//==============================================================================
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struct OccupancyPlane
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{
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struct Cell { int column, row; };
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OccupancyPlane (int highestColumnToUse, int highestRowToUse, bool isColumnFirst)
|
|
: highestCrossDimension (isColumnFirst ? highestRowToUse : highestColumnToUse),
|
|
columnFirst (isColumnFirst)
|
|
{}
|
|
|
|
PlacementHelpers::LineArea setCell (Cell cell, int columnSpan, int rowSpan)
|
|
{
|
|
for (int i = 0; i < columnSpan; i++)
|
|
for (int j = 0; j < rowSpan; j++)
|
|
setCell (cell.column + i, cell.row + j);
|
|
|
|
return { { cell.column, cell.column + columnSpan }, { cell.row, cell.row + rowSpan } };
|
|
}
|
|
|
|
PlacementHelpers::LineArea setCell (Cell start, Cell end)
|
|
{
|
|
return setCell (start, std::abs (end.column - start.column),
|
|
std::abs (end.row - start.row));
|
|
}
|
|
|
|
Cell nextAvailable (Cell referenceCell, int columnSpan, int rowSpan)
|
|
{
|
|
while (isOccupied (referenceCell, columnSpan, rowSpan) || isOutOfBounds (referenceCell, columnSpan, rowSpan))
|
|
referenceCell = advance (referenceCell);
|
|
|
|
return referenceCell;
|
|
}
|
|
|
|
Cell nextAvailableOnRow (Cell referenceCell, int columnSpan, int rowSpan, int rowNumber)
|
|
{
|
|
if (columnFirst && (rowNumber + rowSpan) > highestCrossDimension)
|
|
highestCrossDimension = rowNumber + rowSpan;
|
|
|
|
while (isOccupied (referenceCell, columnSpan, rowSpan)
|
|
|| (referenceCell.row != rowNumber))
|
|
referenceCell = advance (referenceCell);
|
|
|
|
return referenceCell;
|
|
}
|
|
|
|
Cell nextAvailableOnColumn (Cell referenceCell, int columnSpan, int rowSpan, int columnNumber)
|
|
{
|
|
if (! columnFirst && (columnNumber + columnSpan) > highestCrossDimension)
|
|
highestCrossDimension = columnNumber + columnSpan;
|
|
|
|
while (isOccupied (referenceCell, columnSpan, rowSpan)
|
|
|| (referenceCell.column != columnNumber))
|
|
referenceCell = advance (referenceCell);
|
|
|
|
return referenceCell;
|
|
}
|
|
|
|
private:
|
|
struct SortableCell
|
|
{
|
|
int column, row;
|
|
bool columnFirst;
|
|
|
|
bool operator< (const SortableCell& other) const
|
|
{
|
|
if (columnFirst)
|
|
{
|
|
if (row == other.row)
|
|
return column < other.column;
|
|
|
|
return row < other.row;
|
|
}
|
|
|
|
if (row == other.row)
|
|
return column < other.column;
|
|
|
|
return row < other.row;
|
|
}
|
|
};
|
|
|
|
void setCell (int column, int row)
|
|
{
|
|
occupiedCells.insert ({ column, row, columnFirst });
|
|
}
|
|
|
|
bool isOccupied (Cell cell) const
|
|
{
|
|
return occupiedCells.count ({ cell.column, cell.row, columnFirst }) > 0;
|
|
}
|
|
|
|
bool isOccupied (Cell cell, int columnSpan, int rowSpan) const
|
|
{
|
|
for (int i = 0; i < columnSpan; i++)
|
|
for (int j = 0; j < rowSpan; j++)
|
|
if (isOccupied ({ cell.column + i, cell.row + j }))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool isOutOfBounds (Cell cell, int columnSpan, int rowSpan) const
|
|
{
|
|
const auto crossSpan = columnFirst ? rowSpan : columnSpan;
|
|
|
|
return (getCrossDimension (cell) + crossSpan) > getHighestCrossDimension();
|
|
}
|
|
|
|
int getHighestCrossDimension() const
|
|
{
|
|
Cell cell { 1, 1 };
|
|
|
|
if (occupiedCells.size() > 0)
|
|
cell = { occupiedCells.crbegin()->column, occupiedCells.crbegin()->row };
|
|
|
|
return std::max (getCrossDimension (cell), highestCrossDimension);
|
|
}
|
|
|
|
Cell advance (Cell cell) const
|
|
{
|
|
if ((getCrossDimension (cell) + 1) >= getHighestCrossDimension())
|
|
return fromDimensions (getMainDimension (cell) + 1, 1);
|
|
|
|
return fromDimensions (getMainDimension (cell), getCrossDimension (cell) + 1);
|
|
}
|
|
|
|
int getMainDimension (Cell cell) const { return columnFirst ? cell.column : cell.row; }
|
|
int getCrossDimension (Cell cell) const { return columnFirst ? cell.row : cell.column; }
|
|
|
|
Cell fromDimensions (int mainDimension, int crossDimension) const
|
|
{
|
|
if (columnFirst)
|
|
return { mainDimension, crossDimension };
|
|
|
|
return { crossDimension, mainDimension };
|
|
}
|
|
|
|
int highestCrossDimension;
|
|
bool columnFirst;
|
|
std::set<SortableCell> occupiedCells;
|
|
};
|
|
|
|
//==============================================================================
|
|
static bool isFixed (GridItem::StartAndEndProperty prop)
|
|
{
|
|
return prop.start.hasName() || prop.start.hasAbsolute() || prop.end.hasName() || prop.end.hasAbsolute();
|
|
}
|
|
|
|
static bool hasFullyFixedPlacement (const GridItem& item)
|
|
{
|
|
if (item.area.isNotEmpty())
|
|
return true;
|
|
|
|
if (isFixed (item.column) && isFixed (item.row))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool hasPartialFixedPlacement (const GridItem& item)
|
|
{
|
|
if (item.area.isNotEmpty())
|
|
return false;
|
|
|
|
if (isFixed (item.column) ^ isFixed (item.row))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool hasAutoPlacement (const GridItem& item)
|
|
{
|
|
return ! hasFullyFixedPlacement (item) && ! hasPartialFixedPlacement (item);
|
|
}
|
|
|
|
//==============================================================================
|
|
static bool hasDenseAutoFlow (AutoFlow autoFlow)
|
|
{
|
|
return autoFlow == AutoFlow::columnDense
|
|
|| autoFlow == AutoFlow::rowDense;
|
|
}
|
|
|
|
static bool isColumnAutoFlow (AutoFlow autoFlow)
|
|
{
|
|
return autoFlow == AutoFlow::column
|
|
|| autoFlow == AutoFlow::columnDense;
|
|
}
|
|
|
|
//==============================================================================
|
|
static int getSpanFromAuto (GridItem::StartAndEndProperty prop)
|
|
{
|
|
if (prop.end.hasSpan())
|
|
return prop.end.getNumber();
|
|
|
|
if (prop.start.hasSpan())
|
|
return prop.start.getNumber();
|
|
|
|
return 1;
|
|
}
|
|
|
|
//==============================================================================
|
|
ItemPlacementArray deduceAllItems (Grid& grid) const
|
|
{
|
|
const auto namedAreas = PlacementHelpers::deduceNamedAreas (grid.templateAreas);
|
|
|
|
OccupancyPlane plane (jmax (grid.templateColumns.size() + 1, 2),
|
|
jmax (grid.templateRows.size() + 1, 2),
|
|
isColumnAutoFlow (grid.autoFlow));
|
|
|
|
ItemPlacementArray itemPlacementArray;
|
|
Array<GridItem*> sortedItems;
|
|
|
|
for (auto& item : grid.items)
|
|
sortedItems.add (&item);
|
|
|
|
std::stable_sort (sortedItems.begin(), sortedItems.end(),
|
|
[] (const GridItem* i1, const GridItem* i2) { return i1->order < i2->order; });
|
|
|
|
// place fixed items first
|
|
for (auto* item : sortedItems)
|
|
{
|
|
if (hasFullyFixedPlacement (*item))
|
|
{
|
|
const auto a = PlacementHelpers::deduceLineArea (*item, grid, namedAreas);
|
|
plane.setCell ({ a.column.start, a.row.start }, { a.column.end, a.row.end });
|
|
itemPlacementArray.add ({ item, a });
|
|
}
|
|
}
|
|
|
|
OccupancyPlane::Cell lastInsertionCell = { 1, 1 };
|
|
|
|
for (auto* item : sortedItems)
|
|
{
|
|
if (hasPartialFixedPlacement (*item))
|
|
{
|
|
if (isFixed (item->column))
|
|
{
|
|
const auto p = PlacementHelpers::deduceLineRange (item->column, grid.templateColumns);
|
|
const auto columnSpan = std::abs (p.start - p.end);
|
|
const auto rowSpan = getSpanFromAuto (item->row);
|
|
|
|
const auto insertionCell = hasDenseAutoFlow (grid.autoFlow) ? OccupancyPlane::Cell { p.start, 1 }
|
|
: lastInsertionCell;
|
|
const auto nextAvailableCell = plane.nextAvailableOnColumn (insertionCell, columnSpan, rowSpan, p.start);
|
|
const auto lineArea = plane.setCell (nextAvailableCell, columnSpan, rowSpan);
|
|
lastInsertionCell = nextAvailableCell;
|
|
|
|
itemPlacementArray.add ({ item, lineArea });
|
|
}
|
|
else if (isFixed (item->row))
|
|
{
|
|
const auto p = PlacementHelpers::deduceLineRange (item->row, grid.templateRows);
|
|
const auto columnSpan = getSpanFromAuto (item->column);
|
|
const auto rowSpan = std::abs (p.start - p.end);
|
|
|
|
const auto insertionCell = hasDenseAutoFlow (grid.autoFlow) ? OccupancyPlane::Cell { 1, p.start }
|
|
: lastInsertionCell;
|
|
|
|
const auto nextAvailableCell = plane.nextAvailableOnRow (insertionCell, columnSpan, rowSpan, p.start);
|
|
const auto lineArea = plane.setCell (nextAvailableCell, columnSpan, rowSpan);
|
|
|
|
lastInsertionCell = nextAvailableCell;
|
|
|
|
itemPlacementArray.add ({ item, lineArea });
|
|
}
|
|
}
|
|
}
|
|
|
|
lastInsertionCell = { 1, 1 };
|
|
|
|
for (auto* item : sortedItems)
|
|
{
|
|
if (hasAutoPlacement (*item))
|
|
{
|
|
const auto columnSpan = getSpanFromAuto (item->column);
|
|
const auto rowSpan = getSpanFromAuto (item->row);
|
|
|
|
const auto nextAvailableCell = plane.nextAvailable (lastInsertionCell, columnSpan, rowSpan);
|
|
const auto lineArea = plane.setCell (nextAvailableCell, columnSpan, rowSpan);
|
|
|
|
if (! hasDenseAutoFlow (grid.autoFlow))
|
|
lastInsertionCell = nextAvailableCell;
|
|
|
|
itemPlacementArray.add ({ item, lineArea });
|
|
}
|
|
}
|
|
|
|
return itemPlacementArray;
|
|
}
|
|
|
|
//==============================================================================
|
|
template <typename Accessor>
|
|
static PlacementHelpers::LineRange findFullLineRange (const ItemPlacementArray& items, Accessor&& accessor)
|
|
{
|
|
const auto combine = [&accessor] (const auto& acc, const auto& item)
|
|
{
|
|
const auto newRange = accessor (item);
|
|
return PlacementHelpers::LineRange { std::min (acc.start, newRange.start),
|
|
std::max (acc.end, newRange.end) };
|
|
};
|
|
|
|
return std::accumulate (std::next (items.begin()), items.end(), accessor (*items.begin()), combine);
|
|
}
|
|
|
|
static PlacementHelpers::LineArea findFullLineArea (const ItemPlacementArray& items)
|
|
{
|
|
return { findFullLineRange (items, [] (const auto& item) { return item.second.column; }),
|
|
findFullLineRange (items, [] (const auto& item) { return item.second.row; }) };
|
|
}
|
|
|
|
template <typename Item>
|
|
static Array<Item> repeated (int repeats, const Item& item)
|
|
{
|
|
Array<Item> result;
|
|
result.insertMultiple (-1, item, repeats);
|
|
return result;
|
|
}
|
|
|
|
static Tracks createImplicitTracks (const Grid& grid, const ItemPlacementArray& items)
|
|
{
|
|
const auto fullArea = findFullLineArea (items);
|
|
|
|
const auto leadingColumns = std::max (0, 1 - fullArea.column.start);
|
|
const auto leadingRows = std::max (0, 1 - fullArea.row.start);
|
|
|
|
const auto trailingColumns = std::max (0, fullArea.column.end - grid.templateColumns.size() - 1);
|
|
const auto trailingRows = std::max (0, fullArea.row .end - grid.templateRows .size() - 1);
|
|
|
|
return { { repeated (leadingColumns, grid.autoColumns) + grid.templateColumns + repeated (trailingColumns, grid.autoColumns),
|
|
leadingColumns },
|
|
{ repeated (leadingRows, grid.autoRows) + grid.templateRows + repeated (trailingRows, grid.autoRows),
|
|
leadingRows } };
|
|
}
|
|
|
|
//==============================================================================
|
|
static void applySizeForAutoTracks (Tracks& tracks, const ItemPlacementArray& placements)
|
|
{
|
|
const auto setSizes = [&placements] (auto& tracksInDirection, const auto& getItem, const auto& getItemSize)
|
|
{
|
|
auto& array = tracksInDirection.items;
|
|
|
|
for (int index = 0; index < array.size(); ++index)
|
|
{
|
|
if (array.getReference (index).isAuto())
|
|
{
|
|
const auto combiner = [&] (const auto acc, const auto& element)
|
|
{
|
|
const auto item = getItem (element.second);
|
|
const auto isNotSpan = std::abs (item.end - item.start) <= 1;
|
|
return isNotSpan && item.start == index + 1 - tracksInDirection.numImplicitLeading
|
|
? std::max (acc, getItemSize (*element.first))
|
|
: acc;
|
|
};
|
|
|
|
array.getReference (index).size = std::accumulate (placements.begin(), placements.end(), 0.0f, combiner);
|
|
}
|
|
}
|
|
};
|
|
|
|
setSizes (tracks.rows,
|
|
[] (const auto& i) { return i.row; },
|
|
[] (const auto& i) { return i.height + i.margin.top + i.margin.bottom; });
|
|
|
|
setSizes (tracks.columns,
|
|
[] (const auto& i) { return i.column; },
|
|
[] (const auto& i) { return i.width + i.margin.left + i.margin.right; });
|
|
}
|
|
};
|
|
|
|
//==============================================================================
|
|
struct Grid::BoxAlignment
|
|
{
|
|
static Rectangle<float> alignItem (const GridItem& item,
|
|
const Grid& grid,
|
|
Rectangle<float> area)
|
|
{
|
|
// if item align is auto, inherit value from grid
|
|
const auto alignType = item.alignSelf == GridItem::AlignSelf::autoValue
|
|
? grid.alignItems
|
|
: static_cast<AlignItems> (item.alignSelf);
|
|
|
|
const auto justifyType = item.justifySelf == GridItem::JustifySelf::autoValue
|
|
? grid.justifyItems
|
|
: static_cast<JustifyItems> (item.justifySelf);
|
|
|
|
// subtract margin from area
|
|
area = BorderSize<float> (item.margin.top, item.margin.left, item.margin.bottom, item.margin.right)
|
|
.subtractedFrom (area);
|
|
|
|
// align and justify
|
|
auto r = area;
|
|
|
|
if (item.width != (float) GridItem::notAssigned) r.setWidth (item.width);
|
|
if (item.height != (float) GridItem::notAssigned) r.setHeight (item.height);
|
|
if (item.maxWidth != (float) GridItem::notAssigned) r.setWidth (jmin (item.maxWidth, r.getWidth()));
|
|
if (item.minWidth > 0.0f) r.setWidth (jmax (item.minWidth, r.getWidth()));
|
|
if (item.maxHeight != (float) GridItem::notAssigned) r.setHeight (jmin (item.maxHeight, r.getHeight()));
|
|
if (item.minHeight > 0.0f) r.setHeight (jmax (item.minHeight, r.getHeight()));
|
|
|
|
if (alignType == AlignItems::start && justifyType == JustifyItems::start)
|
|
return r;
|
|
|
|
if (alignType == AlignItems::end) r.setY (r.getY() + (area.getHeight() - r.getHeight()));
|
|
if (justifyType == JustifyItems::end) r.setX (r.getX() + (area.getWidth() - r.getWidth()));
|
|
if (alignType == AlignItems::center) r.setCentre (r.getCentreX(), area.getCentreY());
|
|
if (justifyType == JustifyItems::center) r.setCentre (area.getCentreX(), r.getCentreY());
|
|
|
|
return r;
|
|
}
|
|
};
|
|
|
|
//==============================================================================
|
|
Grid::TrackInfo::TrackInfo() noexcept : hasKeyword (true) {}
|
|
|
|
Grid::TrackInfo::TrackInfo (Px sizeInPixels) noexcept
|
|
: size (static_cast<float> (sizeInPixels.pixels)), isFraction (false) {}
|
|
|
|
Grid::TrackInfo::TrackInfo (Fr fractionOfFreeSpace) noexcept
|
|
: size ((float)fractionOfFreeSpace.fraction), isFraction (true) {}
|
|
|
|
Grid::TrackInfo::TrackInfo (Px sizeInPixels, const String& endLineNameToUse) noexcept
|
|
: TrackInfo (sizeInPixels)
|
|
{
|
|
endLineName = endLineNameToUse;
|
|
}
|
|
|
|
Grid::TrackInfo::TrackInfo (Fr fractionOfFreeSpace, const String& endLineNameToUse) noexcept
|
|
: TrackInfo (fractionOfFreeSpace)
|
|
{
|
|
endLineName = endLineNameToUse;
|
|
}
|
|
|
|
Grid::TrackInfo::TrackInfo (const String& startLineNameToUse, Px sizeInPixels) noexcept
|
|
: TrackInfo (sizeInPixels)
|
|
{
|
|
startLineName = startLineNameToUse;
|
|
}
|
|
|
|
Grid::TrackInfo::TrackInfo (const String& startLineNameToUse, Fr fractionOfFreeSpace) noexcept
|
|
: TrackInfo (fractionOfFreeSpace)
|
|
{
|
|
startLineName = startLineNameToUse;
|
|
}
|
|
|
|
Grid::TrackInfo::TrackInfo (const String& startLineNameToUse, Px sizeInPixels, const String& endLineNameToUse) noexcept
|
|
: TrackInfo (startLineNameToUse, sizeInPixels)
|
|
{
|
|
endLineName = endLineNameToUse;
|
|
}
|
|
|
|
Grid::TrackInfo::TrackInfo (const String& startLineNameToUse, Fr fractionOfFreeSpace, const String& endLineNameToUse) noexcept
|
|
: TrackInfo (startLineNameToUse, fractionOfFreeSpace)
|
|
{
|
|
endLineName = endLineNameToUse;
|
|
}
|
|
|
|
float Grid::TrackInfo::getAbsoluteSize (float relativeFractionalUnit) const
|
|
{
|
|
return isFractional() ? size * relativeFractionalUnit : size;
|
|
}
|
|
|
|
//==============================================================================
|
|
void Grid::performLayout (Rectangle<int> targetArea)
|
|
{
|
|
const auto itemsAndAreas = AutoPlacement().deduceAllItems (*this);
|
|
|
|
auto implicitTracks = AutoPlacement::createImplicitTracks (*this, itemsAndAreas);
|
|
|
|
AutoPlacement::applySizeForAutoTracks (implicitTracks, itemsAndAreas);
|
|
|
|
SizeCalculation calculation;
|
|
calculation.computeSizes (targetArea.toFloat().getWidth(),
|
|
targetArea.toFloat().getHeight(),
|
|
columnGap,
|
|
rowGap,
|
|
implicitTracks);
|
|
|
|
for (auto& itemAndArea : itemsAndAreas)
|
|
{
|
|
const auto a = itemAndArea.second;
|
|
const auto areaBounds = PlacementHelpers::getAreaBounds (a.column,
|
|
a.row,
|
|
implicitTracks,
|
|
calculation,
|
|
alignContent,
|
|
justifyContent,
|
|
columnGap,
|
|
rowGap);
|
|
|
|
auto* item = itemAndArea.first;
|
|
item->currentBounds = BoxAlignment::alignItem (*item, *this, areaBounds)
|
|
+ targetArea.toFloat().getPosition();
|
|
|
|
if (auto* c = item->associatedComponent)
|
|
c->setBounds (item->currentBounds.toNearestIntEdges());
|
|
}
|
|
}
|
|
|
|
//==============================================================================
|
|
#if JUCE_UNIT_TESTS
|
|
|
|
struct GridTests : public UnitTest
|
|
{
|
|
GridTests()
|
|
: UnitTest ("Grid", UnitTestCategories::gui)
|
|
{}
|
|
|
|
void runTest() override
|
|
{
|
|
using Fr = Grid::Fr;
|
|
using Tr = Grid::TrackInfo;
|
|
using Rect = Rectangle<float>;
|
|
|
|
{
|
|
Grid grid;
|
|
|
|
grid.templateColumns.add (Tr (1_fr));
|
|
grid.templateRows.addArray ({ Tr (20_px), Tr (1_fr) });
|
|
|
|
grid.items.addArray ({ GridItem().withArea (1, 1),
|
|
GridItem().withArea (2, 1) });
|
|
|
|
grid.performLayout (Rectangle<int> (200, 400));
|
|
|
|
beginTest ("Layout calculation test: 1 column x 2 rows: no gap");
|
|
expect (grid.items[0].currentBounds == Rect (0.0f, 0.0f, 200.f, 20.0f));
|
|
expect (grid.items[1].currentBounds == Rect (0.0f, 20.0f, 200.f, 380.0f));
|
|
|
|
grid.templateColumns.add (Tr (50_px));
|
|
grid.templateRows.add (Tr (2_fr));
|
|
|
|
grid.items.addArray ( { GridItem().withArea (1, 2),
|
|
GridItem().withArea (2, 2),
|
|
GridItem().withArea (3, 1),
|
|
GridItem().withArea (3, 2) });
|
|
|
|
grid.performLayout (Rectangle<int> (150, 170));
|
|
|
|
beginTest ("Layout calculation test: 2 columns x 3 rows: no gap");
|
|
expect (grid.items[0].currentBounds == Rect (0.0f, 0.0f, 100.0f, 20.0f));
|
|
expect (grid.items[1].currentBounds == Rect (0.0f, 20.0f, 100.0f, 50.0f));
|
|
expect (grid.items[2].currentBounds == Rect (100.0f, 0.0f, 50.0f, 20.0f));
|
|
expect (grid.items[3].currentBounds == Rect (100.0f, 20.0f, 50.0f, 50.0f));
|
|
expect (grid.items[4].currentBounds == Rect (0.0f, 70.0f, 100.0f, 100.0f));
|
|
expect (grid.items[5].currentBounds == Rect (100.0f, 70.0f, 50.0f, 100.0f));
|
|
|
|
grid.columnGap = 20_px;
|
|
grid.rowGap = 10_px;
|
|
|
|
grid.performLayout (Rectangle<int> (200, 310));
|
|
|
|
beginTest ("Layout calculation test: 2 columns x 3 rows: rowGap of 10 and columnGap of 20");
|
|
expect (grid.items[0].currentBounds == Rect (0.0f, 0.0f, 130.0f, 20.0f));
|
|
expect (grid.items[1].currentBounds == Rect (0.0f, 30.0f, 130.0f, 90.0f));
|
|
expect (grid.items[2].currentBounds == Rect (150.0f, 0.0f, 50.0f, 20.0f));
|
|
expect (grid.items[3].currentBounds == Rect (150.0f, 30.0f, 50.0f, 90.0f));
|
|
expect (grid.items[4].currentBounds == Rect (0.0f, 130.0f, 130.0f, 180.0f));
|
|
expect (grid.items[5].currentBounds == Rect (150.0f, 130.0f, 50.0f, 180.0f));
|
|
}
|
|
|
|
{
|
|
Grid grid;
|
|
|
|
grid.templateColumns.addArray ({ Tr ("first", 20_px, "in"), Tr ("in", 1_fr, "in"), Tr (20_px, "last") });
|
|
grid.templateRows.addArray ({ Tr (1_fr),
|
|
Tr (20_px)});
|
|
|
|
{
|
|
beginTest ("Grid items placement tests: integer and custom ident, counting forward");
|
|
|
|
GridItem i1, i2, i3, i4, i5;
|
|
i1.column = { 1, 4 };
|
|
i1.row = { 1, 2 };
|
|
|
|
i2.column = { 1, 3 };
|
|
i2.row = { 1, 3 };
|
|
|
|
i3.column = { "first", "in" };
|
|
i3.row = { 2, 3 };
|
|
|
|
i4.column = { "first", { 2, "in" } };
|
|
i4.row = { 1, 2 };
|
|
|
|
i5.column = { "first", "last" };
|
|
i5.row = { 1, 2 };
|
|
|
|
grid.items.addArray ({ i1, i2, i3, i4, i5 });
|
|
|
|
grid.performLayout ({ 140, 100 });
|
|
|
|
expect (grid.items[0].currentBounds == Rect (0.0f, 0.0f, 140.0f, 80.0f));
|
|
expect (grid.items[1].currentBounds == Rect (0.0f, 0.0f, 120.0f, 100.0f));
|
|
expect (grid.items[2].currentBounds == Rect (0.0f, 80.0f, 20.0f, 20.0f));
|
|
expect (grid.items[3].currentBounds == Rect (0.0f, 0.0f, 120.0f, 80.0f));
|
|
expect (grid.items[4].currentBounds == Rect (0.0f, 0.0f, 140.0f, 80.0f));
|
|
}
|
|
}
|
|
|
|
{
|
|
Grid grid;
|
|
|
|
grid.templateColumns.addArray ({ Tr ("first", 20_px, "in"), Tr ("in", 1_fr, "in"), Tr (20_px, "last") });
|
|
grid.templateRows.addArray ({ Tr (1_fr),
|
|
Tr (20_px)});
|
|
|
|
beginTest ("Grid items placement tests: integer and custom ident, counting forward, reversed end and start");
|
|
|
|
GridItem i1, i2, i3, i4, i5;
|
|
i1.column = { 4, 1 };
|
|
i1.row = { 2, 1 };
|
|
|
|
i2.column = { 3, 1 };
|
|
i2.row = { 3, 1 };
|
|
|
|
i3.column = { "in", "first" };
|
|
i3.row = { 3, 2 };
|
|
|
|
i4.column = { "first", { 2, "in" } };
|
|
i4.row = { 1, 2 };
|
|
|
|
i5.column = { "last", "first" };
|
|
i5.row = { 1, 2 };
|
|
|
|
grid.items.addArray ({ i1, i2, i3, i4, i5 });
|
|
|
|
grid.performLayout ({ 140, 100 });
|
|
|
|
expect (grid.items[0].currentBounds == Rect (0.0f, 0.0f, 140.0f, 80.0f));
|
|
expect (grid.items[1].currentBounds == Rect (0.0f, 0.0f, 120.0f, 100.0f));
|
|
expect (grid.items[2].currentBounds == Rect (0.0f, 80.0f, 20.0f, 20.0f));
|
|
expect (grid.items[3].currentBounds == Rect (0.0f, 0.0f, 120.0f, 80.0f));
|
|
expect (grid.items[4].currentBounds == Rect (0.0f, 0.0f, 140.0f, 80.0f));
|
|
}
|
|
|
|
{
|
|
Grid grid;
|
|
|
|
grid.templateColumns = { Tr ("first", 20_px, "in"), Tr ("in", 1_fr, "in"), Tr (20_px, "last") };
|
|
grid.templateRows = { Tr (1_fr), Tr (20_px) };
|
|
|
|
beginTest ("Grid items placement tests: integer, counting backward");
|
|
|
|
grid.items = { GridItem{}.withColumn ({ -2, -1 }).withRow ({ 1, 3 }),
|
|
GridItem{}.withColumn ({ -10, -1 }).withRow ({ 1, -1 }) };
|
|
|
|
grid.performLayout ({ 140, 100 });
|
|
|
|
expect (grid.items[0].currentBounds == Rect (120.0f, 0.0f, 20.0f, 100.0f));
|
|
expect (grid.items[1].currentBounds == Rect (0.0f, 0.0f, 140.0f, 100.0f));
|
|
}
|
|
|
|
{
|
|
beginTest ("Grid items placement tests: areas");
|
|
|
|
Grid grid;
|
|
|
|
grid.templateColumns = { Tr (50_px), Tr (100_px), Tr (Fr (1_fr)), Tr (50_px) };
|
|
grid.templateRows = { Tr (50_px),
|
|
Tr (1_fr),
|
|
Tr (50_px) };
|
|
|
|
grid.templateAreas = { "header header header header",
|
|
"main main . sidebar",
|
|
"footer footer footer footer" };
|
|
|
|
grid.items.addArray ({ GridItem().withArea ("header"),
|
|
GridItem().withArea ("main"),
|
|
GridItem().withArea ("sidebar"),
|
|
GridItem().withArea ("footer"),
|
|
});
|
|
|
|
grid.performLayout ({ 300, 150 });
|
|
|
|
expect (grid.items[0].currentBounds == Rect (0.f, 0.f, 300.f, 50.f));
|
|
expect (grid.items[1].currentBounds == Rect (0.f, 50.f, 150.f, 50.f));
|
|
expect (grid.items[2].currentBounds == Rect (250.f, 50.f, 50.f, 50.f));
|
|
expect (grid.items[3].currentBounds == Rect (0.f, 100.f, 300.f, 50.f));
|
|
}
|
|
|
|
{
|
|
beginTest ("Grid implicit rows and columns: triggered by areas");
|
|
|
|
Grid grid;
|
|
|
|
grid.templateColumns = { Tr (50_px), Tr (100_px), Tr (1_fr), Tr (50_px) };
|
|
grid.templateRows = { Tr (50_px),
|
|
Tr (1_fr),
|
|
Tr (50_px) };
|
|
|
|
grid.autoRows = Tr (30_px);
|
|
grid.autoColumns = Tr (30_px);
|
|
|
|
grid.templateAreas = { "header header header header header",
|
|
"main main . sidebar sidebar",
|
|
"footer footer footer footer footer",
|
|
"sub sub sub sub sub"};
|
|
|
|
grid.items.addArray ({ GridItem().withArea ("header"),
|
|
GridItem().withArea ("main"),
|
|
GridItem().withArea ("sidebar"),
|
|
GridItem().withArea ("footer"),
|
|
GridItem().withArea ("sub"),
|
|
});
|
|
|
|
grid.performLayout ({ 330, 180 });
|
|
|
|
expect (grid.items[0].currentBounds == Rect (0.f, 0.f, 330.f, 50.f));
|
|
expect (grid.items[1].currentBounds == Rect (0.f, 50.f, 150.f, 50.f));
|
|
expect (grid.items[2].currentBounds == Rect (250.f, 50.f, 80.f, 50.f));
|
|
expect (grid.items[3].currentBounds == Rect (0.f, 100.f, 330.f, 50.f));
|
|
expect (grid.items[4].currentBounds == Rect (0.f, 150.f, 330.f, 30.f));
|
|
}
|
|
|
|
{
|
|
beginTest ("Grid implicit rows and columns: triggered by areas");
|
|
|
|
Grid grid;
|
|
|
|
grid.templateColumns = { Tr (50_px), Tr (100_px), Tr (1_fr), Tr (50_px) };
|
|
grid.templateRows = { Tr (50_px),
|
|
Tr (1_fr),
|
|
Tr (50_px) };
|
|
|
|
grid.autoRows = Tr (1_fr);
|
|
grid.autoColumns = Tr (1_fr);
|
|
|
|
grid.templateAreas = { "header header header header",
|
|
"main main . sidebar",
|
|
"footer footer footer footer" };
|
|
|
|
grid.items.addArray ({ GridItem().withArea ("header"),
|
|
GridItem().withArea ("main"),
|
|
GridItem().withArea ("sidebar"),
|
|
GridItem().withArea ("footer"),
|
|
GridItem().withArea (4, 5, 6, 7)
|
|
});
|
|
|
|
grid.performLayout ({ 350, 250 });
|
|
|
|
expect (grid.items[0].currentBounds == Rect (0.f, 0.f, 250.f, 50.f));
|
|
expect (grid.items[1].currentBounds == Rect (0.f, 50.f, 150.f, 50.f));
|
|
expect (grid.items[2].currentBounds == Rect (200.f, 50.f, 50.f, 50.f));
|
|
expect (grid.items[3].currentBounds == Rect (0.f, 100.f, 250.f, 50.f));
|
|
expect (grid.items[4].currentBounds == Rect (250.f, 150.f, 100.f, 100.f));
|
|
}
|
|
|
|
{
|
|
beginTest ("Grid implicit rows and columns: triggered by out-of-bounds indices");
|
|
|
|
Grid grid;
|
|
|
|
grid.templateColumns = { Tr (1_fr), Tr (1_fr) };
|
|
grid.templateRows = { Tr (60_px), Tr (60_px) };
|
|
|
|
grid.autoColumns = Tr (20_px);
|
|
grid.autoRows = Tr (1_fr);
|
|
|
|
grid.items = { GridItem{}.withColumn ({ 5, 8 }).withRow ({ -5, -4 }),
|
|
GridItem{}.withColumn ({ 4, 7 }).withRow ({ -4, -3 }),
|
|
GridItem{}.withColumn ({ -2, -1 }).withRow ({ 4, 5 }) };
|
|
|
|
grid.performLayout ({ 500, 400 });
|
|
|
|
// -3 -2 -1
|
|
// 1 2 3 4 5 6 7 8
|
|
// -5 +---+---+---+---+---+---+---+ 0
|
|
// | | | | | 0 | 0 | 0 |
|
|
// -4 +---+---+---+---+---+---+---+ 70
|
|
// | | | | 1 | 1 | 1 | |
|
|
// -3 1 +---+---+---+---+---+---+---+ 140
|
|
// | x | x | | | | | |
|
|
// -2 2 +---+---+---+---+---+---+---+ 200 y positions
|
|
// | x | x | | | | | |
|
|
// -1 3 +---+---+---+---+---+---+---+ 260
|
|
// | | | | | | | |
|
|
// 4 +---+---+---+---+---+---+---+ 330
|
|
// | | 2 | | | | | |
|
|
// 5 +---+---+---+---+---+---+---+ 400
|
|
//
|
|
// 0 200 400 420 440 460 480 500
|
|
// x positions
|
|
//
|
|
// The cells marked "x" are the explicit cells specified by the template rows
|
|
// and columns.
|
|
//
|
|
// The cells marked 0/1/2 correspond to the GridItems at those indices in the
|
|
// items array.
|
|
//
|
|
// Note that negative indices count back from the last explicit line
|
|
// number in that direction, so "2" and "-2" both correspond to the same line.
|
|
|
|
expect (grid.items[0].currentBounds == Rect (440.0f, 0.0f, 60.0f, 70.0f));
|
|
expect (grid.items[1].currentBounds == Rect (420.0f, 70.0f, 60.0f, 70.0f));
|
|
expect (grid.items[2].currentBounds == Rect (200.0f, 330.0f, 200.0f, 70.0f));
|
|
}
|
|
}
|
|
};
|
|
|
|
static GridTests gridUnitTests;
|
|
|
|
#endif
|
|
|
|
} // namespace juce
|