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Diffstat (limited to 'NOTES')
| -rw-r--r-- | NOTES | 25 |
1 files changed, 24 insertions, 1 deletions
@@ -25,6 +25,29 @@ Thoughts on threading: * The primary thing we are trying to do is minimize switching pages, as doing so is slow for backends. Additionally, some operations on the - backend are slow, leaving poor interactivity. This + backend are slow, leaving poor interactivity. -- + +Thoughts on selection: + + * On button_press, we record selection_start, and set in_selection. + + * selection_list must be ordered!!! + + * On motion_notify, we update selection_end and call compute_selection, + that keeps an ordered list of the selections. + + * If any of the selection changes, we notify the pixbuf_cache right + away. + + * On button_release, we unset in_selection, and trim all the current + pixbufs. + + * If a resize (somehow) occurs, during a selection, we clear + in_selection and abort. + + * I'd like to support shift-click to handle extending the selection, + but for that to survive resizing, I might need to store the points as + doubles, etc. It should be possible to reconstruct it from the + existing EvViewSelection structs, so maybe I don't need it. |