- Refactor CanvasMgr into PropertyBasedMgr to be also used
for the Canvas GUI system.
- Get rid of tied properties in the Canvas system.
- Add new placement type 'window' for placing canvases onto
windows
- Pass mouse events to Window class (only if cursor is over
window)
- Refactor canvas placement clean up
- The new map element automatically transforms geo coordinates
(lat, lon) to the according screen coordinates.
- Currently one type of projection is supported
(Sanson-Flamsteed projection)
- Fix stupid memory corruption bug
- Fix bounding box calculations
- Fix docs
- Fix text size
- Expose setting background color
- Expose trigger for updating elements
- Untie nodes if deleting according element
- Allow deleting canvas, text and group elements
- Allow creating groups as children of groups
