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patch 8.1.1597: cannot scroll a popup window with the mouse

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Problem:    Cannot scroll a popup window with the mouse.
Solution:   If the popup window has a scrollbar let the mouse scroll wheel
            scroll the window.
This commit is contained in:
Bram Moolenaar
2019-06-26 03:40:36 +02:00
parent c2a4316500
commit 68acb41f99
12 changed files with 86 additions and 18 deletions
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11
runtime/doc/popup.txt
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@@ -85,11 +85,11 @@ That way you can still see where it is, even though you cannot see the text
that it is in.
TODO:
- When the lines do not fit show a scrollbar (like in the popup menu).
- Use the mouse wheel for scrolling.
- Have a way to scroll to the botton. (#4577)
- click near top of scrollbar scrolls down, clear near bottom scrolls up.
- Allow for setting scrollbar color: scrollbarhighlight,
scrollbarthumbhighlight ?
- Have a way to scroll to the bottom? (#4577)
- Why does 'nrformats' leak from the popup window buffer???
- Disable commands, feedkeys(), CTRL-W, etc. in a popup window.
Use ERROR_IF_POPUP_WINDOW for more commands.
@@ -275,6 +275,8 @@ popup_getpos({id}) *popup_getpos()*
core_line screen line of the text box
core_width width of the text box in screen cells
core_height height of the text box in screen cells
firstline line of the buffer at top (1 unless scrolled)
scrollbar non-zero if a scrollbar is displayed
visible one if the popup is displayed, zero if hidden
Note that these are the actual screen positions. They differ
from the values in `popup_getoptions()` for the sizing and
@@ -483,7 +485,6 @@ The second argument of |popup_create()| is a dictionary with options:
Also see "scrollbar".
hidden When TRUE the popup exists but is not displayed; use
`popup_show()` to unhide it.
{not implemented yet}
tabpage When -1: display the popup on all tab pages.
When 0 (the default): display the popup on the current
tab page.