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The idea now is that a scroll group item can be added to the canvas which will causes its children to scroll in either or both directions (horizontal or vertical). There are few complications: the position() of the ScrollGroup is ambiguous depending on whether you want it with scroll taken into account or not, so Item::canvas_position() was added, which defaults to the same value as Item::position() but is overridden by ScrollGroup to return the position independent of scrolling. This method is used when translating between item/canvas/window coordinate systems. Note that the basic idea is that we MOVE the scroll group when a scroll happens. This mirrors what happens in the GnomeCanvas, where Nick Mainsbridge came up with a great idea that allowed unification of the time bar and track canvases. |
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| .. | ||
| appleutility | ||
| ardour | ||
| audiographer | ||
| backends | ||
| canvas | ||
| clearlooks-newer | ||
| clearlooks-older | ||
| evoral | ||
| fst | ||
| gtkmm2ext | ||
| libltc | ||
| midi++2 | ||
| panners | ||
| pbd | ||
| plugins/reasonablesynth.lv2 | ||
| qm-dsp | ||
| surfaces | ||
| timecode | ||
| vamp-plugins | ||
| vfork | ||