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b5aac29cea
To enable rudimentary theming, collect all colors in a new theme class. The class has to be passed down to the various items. In general the items save a reference to the them in the constructor. Alternatively, they might also just query the StatsView everytime they need to access a color. For now, it's hard the say what is preferred: a reference per item or a function call per invokation? Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
// SPDX-License-Identifier: GPL-2.0
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#include "statsgrid.h"
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#include "chartitem.h"
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#include "statsaxis.h"
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#include "statscolors.h"
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#include "statsview.h"
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#include "zvalues.h"
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static const double gridWidth = 1.0;
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StatsGrid::StatsGrid(StatsView &view, const StatsAxis &xAxis, const StatsAxis &yAxis)
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: view(view), theme(view.getCurrentTheme()), xAxis(xAxis), yAxis(yAxis)
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{
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}
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void StatsGrid::updatePositions()
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{
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std::vector<double> xtics = xAxis.ticksPositions();
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std::vector<double> ytics = yAxis.ticksPositions();
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// We probably should be smarter and reuse existing lines.
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// For now, this does it.
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for (auto &line: lines)
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view.deleteChartItem(line);
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lines.clear();
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if (xtics.empty() || ytics.empty())
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return;
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for (double x: xtics) {
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lines.push_back(view.createChartItem<ChartLineItem>(ChartZValue::Grid, theme.gridColor, gridWidth));
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lines.back()->setLine(QPointF(x, ytics.front()), QPointF(x, ytics.back()));
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}
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for (double y: ytics) {
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lines.push_back(view.createChartItem<ChartLineItem>(ChartZValue::Grid, theme.gridColor, gridWidth));
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lines.back()->setLine(QPointF(xtics.front(), y), QPointF(xtics.back(), y));
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}
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}
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