From e93b3a265bbc02546d230204402e3f41e83d6ab5 Mon Sep 17 00:00:00 2001 From: Jonathan Blandford Date: Thu, 30 Jun 2005 05:44:28 +0000 Subject: Massive changes. We now support text selection of pdfs, and not just Thu Jun 30 01:43:00 2005 Jonathan Blandford * shell/*: * backend/ev-render-context.[ch]: * backend/ev-selection.[ch]: Massive changes. We now support text selection of pdfs, and not just rectangular selection. This is pretty broken still, but I want to get something into CVS. --- (limited to 'NOTES') diff --git a/NOTES b/NOTES index 19b52b3..d709444 100644 --- a/NOTES +++ b/NOTES @@ -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. -- cgit v0.9.1