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Support hinting if an inline info should be above or below the anchor

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Used by ctags function info, we always want it *above* the opening
parenthesis so that it does not hide multi line parameter lists.
This commit is contained in:
Maxime Coste 2014-11-10 13:28:06 +00:00
parent 075e4985d7
commit 7d4c9c2ccf
4 changed files with 30 additions and 6 deletions
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2
rc/ctags.kak
View File

@ -39,7 +39,7 @@ def funcinfo %{
%sh{
sigs=$(readtags -e ${kak_selection%(} | grep kind:f | sed -re 's/^(\S+).*((class|struct|namespace):(\S+))?.*signature:(.*)$/\5 [\4::\1]/')
if [ -n "$sigs" ]; then
echo "eval -client ${kak_client} %{info -anchor $kak_cursor_line.$kak_cursor_column '$sigs'}"
echo "eval -client ${kak_client} %{info -anchor $kak_cursor_line.$kak_cursor_column -placement above '$sigs'}"
fi
}
}

11
src/commands.cc
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@ -1224,6 +1224,7 @@ const CommandDesc info_cmd = {
"info <switches> <params>...: display an info box with the params as content",
ParameterDesc{
SwitchMap{ { "anchor", { true, "set info anchoring <line>.<column>" } },
{ "placement", { true, "set placement relative to anchor (above, below)" } },
{ "title", { true, "set info title" } } },
ParameterDesc::Flags::None, 0, 1
},
@ -1247,6 +1248,16 @@ const CommandDesc info_cmd = {
str_to_int(anchor.substr(dotb+1))-1};
pos = context.window().display_position(coord);
style = InfoStyle::Inline;
if (parser.has_option("placement"))
{
auto placement = parser.option_value("placement");
if (placement == "above")
style = InfoStyle::InlineAbove;
else if (placement == "below")
style = InfoStyle::InlineBelow;
else
throw runtime_error("invalid placement " + placement);
}
}
const String& title = parser.has_option("title") ? parser.option_value("title") : "";
context.ui().info_show(title, parser[0], pos, get_face("Information"), style);

21
src/ncurses.cc
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@ -642,12 +642,23 @@ static CharCoord compute_needed_size(StringView str)
}
static CharCoord compute_pos(CharCoord anchor, CharCoord size,
WINDOW* opt_window_to_avoid = nullptr)
WINDOW* opt_window_to_avoid = nullptr,
bool prefer_above = false)
{
CharCoord scrsize = window_size(stdscr);
CharCoord pos = { anchor.line+1, anchor.column };
if (pos.line + size.line >= scrsize.line)
pos.line = max(0_line, anchor.line - size.line);
CharCoord pos;
if (prefer_above)
{
pos = anchor - CharCoord{size.line};
if (pos.line < 0)
prefer_above = false;
}
if (not prefer_above)
{
pos = anchor + CharCoord{1_line};
if (pos.line + size.line >= scrsize.line)
pos.line = max(0_line, anchor.line - size.line);
}
if (pos.column + size.column >= scrsize.column)
pos.column = max(0_char, anchor.column - size.column+1);
@ -790,7 +801,7 @@ void NCursesUI::info_show(StringView title, StringView content,
pos = window_pos(m_menu_win) +
CharCoord{0_line, window_size(m_menu_win).column};
else
pos = compute_pos(anchor, size, m_menu_win);
pos = compute_pos(anchor, size, m_menu_win, style == InfoStyle::InlineAbove);
m_info_win = (NCursesWin*)newwin((int)size.line, (int)size.column,
(int)pos.line, (int)pos.column);

2
src/user_interface.hh
View File

@ -24,6 +24,8 @@ enum class InfoStyle
{
Prompt,
Inline,
InlineAbove,
InlineBelow,
MenuDoc
};