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Add the most important missing feature of Kakoune

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This commit is contained in:
Maxime Coste 2013-02-25 19:38:20 +01:00
parent dc8803e41b
commit dc7227b983
1 changed files with 80 additions and 3 deletions
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83
src/commands.cc
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@ -18,6 +18,7 @@
#include "color_registry.hh"
#include "client_manager.hh"
#include "parameters_parser.hh"
#include "utf8_iterator.hh"
#include <sys/types.h>
#include <sys/stat.h>
@ -555,9 +556,83 @@ void menu(const CommandParameters& params, Context& context)
});
}
static String assist(String message, CharCount maxWidth)
{
static const std::vector<String> assistant =
{ R"( __ )",
R"( / \ )",
R"( | | )",
R"( @ @ /)",
R"( || || / )",
R"( || || _/ )",
R"( |\_/| )",
R"( \___/ )",
R"( )" };
const CharCount maxBubbleWidth = maxWidth - assistant[0].char_length() - 6;
CharCount bubbleWidth = 0;
std::vector<String> lines;
{
using Utf8It = utf8::utf8_iterator<String::iterator>;
Utf8It word_begin{message.begin()};
Utf8It word_end{word_begin};
Utf8It end{message.end()};
CharCount col = 0;
String line;
while (word_begin != end)
{
do
{
++word_end;
} while (word_end != end and not is_blank(*word_end) and not is_eol(*word_end));
col += word_end - word_begin;
if (col > maxBubbleWidth or *word_begin == '\n')
{
bubbleWidth = std::max(bubbleWidth, line.char_length());
lines.push_back(std::move(line));
line = "";
col = 0;
}
if (*word_begin != '\n')
line += String(word_begin.underlying_iterator(), word_end.underlying_iterator());
word_begin = word_end;
}
if (not line.empty())
{
bubbleWidth = std::max(bubbleWidth, line.char_length());
lines.push_back(std::move(line));
}
}
String result;
LineCount lineCount{std::max<int>(8, lines.size() + 3)};
for (LineCount i = 0; i < lineCount; ++i)
{
result += assistant[std::min((int)i, (int)assistant.size()-1)];
if (i == 0)
result += " " + String('_', (int)bubbleWidth) + " ";
else if (i == 1)
result += "/ " + String(' ', (int)bubbleWidth) + " \\";
else if (i < lines.size() + 2)
{
auto& line = lines[(int)i - 2];
const CharCount padding = std::max(bubbleWidth - line.char_length(), 0_char);
result += "| " + line + String(' ', padding) + " |";
}
else if (i == lines.size() + 2)
result += "\\_" + String('_', (int)bubbleWidth) + "_/";
result += "\n";
}
return result;
}
void info(const CommandParameters& params, Context& context)
{
ParametersParser parser(params, { { "anchor", true } });
ParametersParser parser(params, { { "anchor", true }, { "assist", false } });
if (parser.positional_count() > 1)
throw wrong_argument_count();
@ -566,7 +641,8 @@ void info(const CommandParameters& params, Context& context)
if (parser.positional_count() > 0)
{
MenuStyle style = MenuStyle::Prompt;
DisplayCoord pos = { context.ui().dimensions().line, 0 };
DisplayCoord dimensions = context.ui().dimensions();
DisplayCoord pos = { dimensions.line, 0 };
if (parser.has_option("anchor"))
{
style = MenuStyle::Inline;
@ -581,7 +657,8 @@ void info(const CommandParameters& params, Context& context)
throw runtime_error("anchor param must be one of [left, right, cursor]");
pos = context.window().display_position(it);
}
context.ui().info_show(parser[0], pos, style);
const String& message = parser.has_option("assist") ? assist(parser[0], dimensions.column) : parser[0];
context.ui().info_show(message, pos, style);
}
}