This needed a bit of refactoring of the ChartItem code, because
we have to be signaled on drag start. Currently only one handle
can be selected at a time. This was (implicitly) the case anyway,
as far as I can tell.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Code is mostly based on the "tooltip item". The dragging code was
slightly reworked to be more logical. A "disk item" was added for
the handles.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This was very painful, because I had to implement rearranging the
paint order of the QSGNodes. The resulting code appears quite
brittle. Let's see where that brings us.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
Still behaves weirdly when panning the chart.
No support for moving the ToolTipItem.
Doesn't add information on bookmarks under the mouse cursor.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This breaks all dynamic features, including animations,
zooming tooltips, planner-handles, etc. They will have to be
converted one-by-one to QtQuick, which will be a major pain,
as the ProfileView is destroyed by Qt6 on reparenting.
This means that the view cannot store any persistent state.
Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
