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release: 3.1.0 - #11
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With few candles in view, the grid's vertical lines only rule where a candle crosses a time bucket, so a sparse intraday window leaves them clustered instead of spanning the chart. ChartStyle.gridColumnMode lets that grid fall back to dividing the chart width into gridColumns equal bands instead, independent of candle count.
ChartStyle gains showGridRows, showGridColumns and gridDashPattern next to gridColumnMode, so the grid's horizontal and vertical lines switch on and off independently and can be dashed. Invalid dash patterns read as solid. The pane borders are not part of the grid and stay. The example app gets switches for all three, the date-axis doc covers them, and the 3.1.0 changelog entry folds in gridColumnMode.
feat: evenly spaced grid, row/column toggles and dashed grid
KChartWidget.paneHeights and volumeHeight set the pane heights from outside, onPaneHeightsChanged reports drags, and KChartController gains setPaneHeight, resetPaneHeights, maximizePane, restorePanes and toggleMaximizePane. Host heights are not held to min/max pane height but are cut back to leave the candles a strip, and dragged heights now follow their pane through a reorder. Closes #8
While KChartWidget.paneHeights is given the host owns the heights: a drag or KChartController.setPaneHeight is reported through onPaneHeightsChanged and the pane moves when the list is passed back. KChartController.maximizeVolume stretches the volume pane the way maximizePane does an indicator pane, and the example app gets a chip for it.
paneRatios splits the chart height between the candles, the volume pane and each indicator pane, so [3, 1, 2] is half, a sixth and a third, and the split holds as the chart is resized. The host owns the proportions: a drag reports the moved list through onPaneRatiosChanged. The example app gets a switch for it.
paneSizeMode picks heights (pixels, the default), ratios (paneRatios) or custom. In custom mode KChartController.editPanes shows a line between each two parts, the candles and volume included, to drag between the smallest and largest height each may take. The layout is kept as proportions and reported through onPaneRatiosChanged. paneRatios now only applies in the ratios and custom modes. The example app gets a sizing chooser and an Edit layout chip.
A pane or the volume pane is held at 32 px or more however small ChartStyle.minPaneHeight is set, so the edge or line that drags it back out can always be reached.
…panes-from-the-host-fullscreen-one-pane feat: size indicator panes from the host, and maximize one pane
A v<version> tag starts the publish workflow, which checks the tag is on main, matches the pubspec version and has a CHANGELOG entry before publishing through pub.dev's automated publishing. Releasing is documented in CONTRIBUTING.md.
Bump the version, date the changelog and group it into Added and Changed, and point the install snippet at 3.1.0.
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What this changes, and why
Release 3.1.0: sizing the panes from the host (
paneHeights,volumeHeight,maximizePane,PaneSizeMode.ratios/custom), the grid options (gridColumnMode,showGridRows/showGridColumns,gridDashPattern), and automated publishing to pub.dev from av<version>tag. The full list is under## 3.1.0inCHANGELOG.md.Closes #8.
Checklist
flutter analyzeanddart format --output=none --set-exit-if-changed .are cleanflutter testpasses (the golden tests are only stable on macOS, which CI uses)doc/panes.mdupdatedCHANGELOG.mdhas an entry