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Support '-placement menu' switch in the info command

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Expose insert completion menu documentation via the info command.
This commit is contained in:
Maxime Coste 2019-04-15 17:22:48 +02:00
parent 6d83828dab
commit 0bff4851d9
2 changed files with 33 additions and 27 deletions
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14
doc/pages/commands.asciidoc
View File

@ -279,8 +279,18 @@ but not really useful in that context.
*-anchor* <line>.<column>:::
print the text at the given coordinates
*-placement* {above,below}:::
set the placement relative to the anchor
*-placement* <placement>:::
set the placement and style of the message box.
*menu*::::
display the info next to the displayed menu, as documentation
for the currently selected entry.
*above*::::
display the info above the given anchor
*below*::::
display the info below the given anchor
*-title* <text>:::
set the title of the message box

42
src/commands.cc
View File

@ -2076,7 +2076,7 @@ const CommandDesc info_cmd = {
"info [<switches>] <text>: display an info box containing <text>",
ParameterDesc{
{ { "anchor", { true, "set info anchoring <line>.<column>" } },
{ "placement", { true, "set placement relative to anchor (above, below)" } },
{ "placement", { true, "set placement style (above, below, menu)" } },
{ "title", { true, "set info title" } } },
ParameterDesc::Flags::None, 0, 1
},
@ -2089,34 +2089,30 @@ const CommandDesc info_cmd = {
return;
context.client().info_hide();
if (parser.positional_count() > 0)
{
InfoStyle style = InfoStyle::Prompt;
BufferCoord pos;
if (auto anchor = parser.get_switch("anchor"))
{
auto dot = find(*anchor, '.');
if (dot == anchor->end())
if (parser.positional_count() == 0)
return;
const InfoStyle style = parser.get_switch("placement").map(
[](StringView placement) -> Optional<InfoStyle> {
if (placement == "above") return InfoStyle::InlineAbove;
if (placement == "below") return InfoStyle::InlineBelow;
if (placement == "menu") return InfoStyle::MenuDoc;
throw runtime_error(format("invalid placement: '{}'", placement));
}).value_or(parser.get_switch("anchor") ? InfoStyle::Inline : InfoStyle::Prompt);
const BufferCoord pos = parser.get_switch("anchor").map(
[](StringView anchor) {
auto dot = find(anchor, '.');
if (dot == anchor.end())
throw runtime_error("expected <line>.<column> for anchor");
pos = BufferCoord{str_to_int({anchor->begin(), dot})-1,
str_to_int({dot+1, anchor->end()})-1};
style = InfoStyle::Inline;
return BufferCoord{str_to_int({anchor.begin(), dot})-1,
str_to_int({dot+1, anchor.end()})-1};
}).value_or(BufferCoord{});
if (auto placement = parser.get_switch("placement"))
{
if (*placement == "above")
style = InfoStyle::InlineAbove;
else if (*placement == "below")
style = InfoStyle::InlineBelow;
else
throw runtime_error(format("invalid placement: '{}'", *placement));
}
}
auto title = parser.get_switch("title").value_or(StringView{});
context.client().info_show(title.str(), parser[0], pos, style);
}
}
};
const CommandDesc try_catch_cmd = {