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screen: use dedicated message grid

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add proper msg_set_pos event, delet win_scroll_over_*

make compositor click through unfocusable grids

add MsgArea attribute for the message/cmdline area, and add docs and tests
This commit is contained in:
Björn Linse
2019-07-02 15:53:43 +02:00
parent 9cec097ffa
commit b51ba122c1
22 changed files with 528 additions and 180 deletions
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2
runtime/doc/syntax.txt
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@@ -4969,6 +4969,8 @@ MatchParen The character under the cursor or just before it, if it
*hl-ModeMsg*
ModeMsg 'showmode' message (e.g., "-- INSERT --")
*hl-MsgArea*
MsgArea Area for messages and cmdline
*hl-MsgSeparator*
MsgSeparator Separator for scrolled messages, `msgsep` flag of 'display'
*hl-MoreMsg*

23
runtime/doc/ui.txt
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@@ -543,6 +543,8 @@ The multigrid extension gives UIs more control over how windows are displayed:
occupies on the global layout. So the UI could use a different font size
per-window. Or reserve space around the border of the window for its own
elements, such as scrollbars from the UI toolkit.
- A dedicated grid is used for messages, which may scroll over the window
area. (Alternatively |ext_messages| can be used).
By default, the grid size is handled by Nvim and set to the outer grid size
(i.e. the size of the window frame in Nvim) whenever the split is created.
@@ -573,19 +575,20 @@ tabs.
["win_hide", grid]
Stop displaying the window. The window can be shown again later.
["win_scroll_over_start"]
Hint that following `grid_scroll` on the default grid should
scroll over windows. This is a temporary workaround to allow
UIs to use the builtin message drawing. Later on, messages will be
drawn on a dedicated grid. Using |ui-messages| also avoids this issue.
["win_scroll_over_reset"]
Hint that scrolled over windows should be redrawn again, and not be
overdrawn by default grid scrolling anymore.
["win_close", grid]
Close the window.
["msg_set_pos", grid, row, scrolled, sep_char]
Display messages on `grid`. The grid will be displayed at `row` on the
default grid (grid=1), covering the full column width. `scrolled`
indicates whether the message area has been scrolled to cover other
grids. It can be useful to draw a separator then ('display' msgsep
flag). The Builtin TUI draws a full line filled with `sep_char` and
|hl-MsgSeparator| highlight.
When |ext_messages| is active, no message grid is used, and this event
will not be sent.
==============================================================================
Popupmenu Events *ui-popupmenu*