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-rw-r--r--stats/scatterseries.cpp35
1 files changed, 31 insertions, 4 deletions
diff --git a/stats/scatterseries.cpp b/stats/scatterseries.cpp
index f88837288..fe9889d33 100644
--- a/stats/scatterseries.cpp
+++ b/stats/scatterseries.cpp
@@ -78,12 +78,39 @@ std::vector<int> ScatterSeries::getItemsUnderMouse(const QPointF &point) const
return res;
}
-void ScatterSeries::selectItemsUnderMouse(const QPointF &point)
+void ScatterSeries::selectItemsUnderMouse(const QPointF &point, bool shiftPressed)
{
std::vector<struct dive *> selected;
-
- for(int idx: getItemsUnderMouse(point))
- selected.push_back(items[idx].d);
+ std::vector<int> indices = getItemsUnderMouse(point);
+
+ if (shiftPressed) {
+ // When shift is pressed, add the items under the mouse to the selection
+ // or, if all items under the mouse are selected, remove them.
+ selected = getDiveSelection();
+ bool allSelected = std::all_of(indices.begin(), indices.end(),
+ [this] (int idx) { return items[idx].d->selected; });
+ if (allSelected) {
+ // Remove items under cursor from selection. This could be made more efficient.
+ for (int idx: indices) {
+ auto it = std::find(selected.begin(), selected.end(), items[idx].d);
+ if (it != selected.end()) {
+ // Move last element to deselected element. If this already was
+ // the last element, this is a no-op. Then, chop off last element.
+ *it = selected.back();
+ selected.pop_back();
+ }
+ }
+ } else {
+ // Add items under cursor to selection
+ for (int idx: indices) {
+ if (std::find(selected.begin(), selected.end(), items[idx].d) == selected.end())
+ selected.push_back(items[idx].d);
+ }
+ }
+ } else {
+ for(int idx: indices)
+ selected.push_back(items[idx].d);
+ }
setSelection(selected, selected.empty() ? nullptr : selected.front());
}