Dynamically change prompt color for regex prompt depending on regex validity

This commit is contained in:
Maxime Coste 2013-04-04 19:09:34 +02:00
parent 6e2fa38c15
commit 9bb9eda302
3 changed files with 32 additions and 0 deletions

View File

@ -433,6 +433,15 @@ public:
m_callback(line, PromptEvent::Change, context());
}
void set_prompt_colors(ColorPair colors)
{
if (colors != m_prompt_colors)
{
m_prompt_colors = colors;
display();
}
}
private:
void display() const
{
@ -799,6 +808,13 @@ void InputHandler::prompt(const String& prompt, ColorPair prompt_colors,
completer, callback));
}
void InputHandler::set_prompt_colors(ColorPair prompt_colors)
{
InputModes::Prompt* prompt = dynamic_cast<InputModes::Prompt*>(m_mode.get());
if (prompt)
prompt->set_prompt_colors(prompt_colors);
}
void InputHandler::menu(const memoryview<String>& choices,
MenuCallback callback)
{

View File

@ -49,6 +49,7 @@ public:
// not change the mode itself
void prompt(const String& prompt, ColorPair prompt_colors,
Completer completer, PromptCallback callback);
void set_prompt_colors(ColorPair prompt_colors);
// enter menu mode, callback is called on each selection change,
// abort or validation with corresponding MenuEvent value

View File

@ -326,6 +326,11 @@ void do_select_regex(Context& context)
if (not ex.empty())
context.editor().multi_select(std::bind(select_all_matches, _1, ex));
}
else if (event == PromptEvent::Change)
{
const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0;
context.input_handler().set_prompt_colors(get_color(ok ? "Prompt" : "Error"));
}
});
}
@ -343,6 +348,11 @@ void do_split_regex(Context& context)
if (not ex.empty())
context.editor().multi_select(std::bind(split_selection, _1, ex));
}
else if (event == PromptEvent::Change)
{
const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0;
context.input_handler().set_prompt_colors(get_color(ok ? "Prompt" : "Error"));
}
});
}
@ -393,6 +403,11 @@ void do_keep(Context& context)
throw runtime_error("no selections remaining");
editor.select(std::move(keep));
}
else if (event == PromptEvent::Change)
{
const bool ok = Regex{str, boost::regex_constants::no_except}.status() == 0;
context.input_handler().set_prompt_colors(get_color(ok ? "Prompt" : "Error"));
}
});
}