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Prompt: display the fallback text everytime the prompt is empty

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This commit is contained in:
Maxime Coste 2017-10-31 12:54:21 +11:00
parent 6d78b06405
commit 6272847ace
4 changed files with 43 additions and 44 deletions
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2
src/commands.cc
View File

@ -1778,7 +1778,7 @@ const CommandDesc prompt_cmd = {
CapturedShellContext sc{shell_context};
context.input_handler().prompt(
parser[0], initstr.str(), get_face("Prompt"),
parser[0], initstr.str(), {}, get_face("Prompt"),
flags, std::move(completer),
[=](StringView str, PromptEvent event, Context& context) mutable
{

56
src/input_handler.cc
View File

@ -486,10 +486,11 @@ public:
m_cursor_pos = start + str.char_length();
}
void reset(String line, CharCount cursor_pos = -1)
void reset(String line, StringView empty_text)
{
m_line = std::move(line);
m_cursor_pos = cursor_pos == -1 ? m_line.char_length() : cursor_pos;
m_empty_text = empty_text;
m_cursor_pos = m_line.char_length();
m_display_pos = 0;
}
@ -501,7 +502,7 @@ public:
return m_line.substr(m_display_pos, m_cursor_pos).column_length();
}
DisplayLine build_display_line(ColumnCount in_width, bool inactive)
DisplayLine build_display_line(ColumnCount in_width)
{
CharCount width = (int)in_width; // Todo: proper handling of char/column
kak_assert(m_cursor_pos <= m_line.char_length());
@ -510,22 +511,26 @@ public:
if (m_cursor_pos >= m_display_pos + width)
m_display_pos = m_cursor_pos + 1 - width;
const Face line_face = get_face(inactive ? "StatusLineInfo" : "StatusLine");
const bool empty = m_line.empty();
StringView str = empty ? m_empty_text : m_line;
const Face line_face = get_face(empty ? "StatusLineInfo" : "StatusLine");
const Face cursor_face = get_face("StatusCursor");
if (m_cursor_pos == m_line.char_length())
return DisplayLine{{ { fix_atom_text(m_line.substr(m_display_pos, width-1)), line_face },
if (m_cursor_pos == str.char_length())
return DisplayLine{{ { fix_atom_text(str.substr(m_display_pos, width-1)), line_face },
{ " "_str, cursor_face} } };
else
return DisplayLine({ { fix_atom_text(m_line.substr(m_display_pos, m_cursor_pos - m_display_pos)), line_face },
{ fix_atom_text(m_line.substr(m_cursor_pos,1)), cursor_face },
{ fix_atom_text(m_line.substr(m_cursor_pos+1, width - m_cursor_pos + m_display_pos - 1)), line_face } });
return DisplayLine({ { fix_atom_text(str.substr(m_display_pos, m_cursor_pos - m_display_pos)), line_face },
{ fix_atom_text(str.substr(m_cursor_pos,1)), cursor_face },
{ fix_atom_text(str.substr(m_cursor_pos+1, width - m_cursor_pos + m_display_pos - 1)), line_face } });
}
private:
CharCount m_cursor_pos = 0;
CharCount m_display_pos = 0;
String m_line;
StringView m_empty_text;
};
class Menu : public InputMode
@ -575,7 +580,7 @@ public:
{
m_edit_filter = false;
m_filter = Regex{".*"};
m_filter_editor.reset("");
m_filter_editor.reset("", "");
context().print_status(DisplayLine{});
}
else
@ -628,7 +633,7 @@ public:
{
auto prompt = "filter:"_str;
auto width = context().client().dimensions().column - prompt.column_length();
auto display_line = m_filter_editor.build_display_line(width, false);
auto display_line = m_filter_editor.build_display_line(width);
display_line.insert(display_line.begin(), { prompt, get_face("Prompt") });
context().print_status(display_line);
}
@ -695,9 +700,10 @@ class Prompt : public InputMode
{
public:
Prompt(InputHandler& input_handler, StringView prompt,
String initstr, Face face, PromptFlags flags,
String initstr, String emptystr, Face face, PromptFlags flags,
Completer completer, PromptCallback callback)
: InputMode(input_handler), m_prompt(prompt.str()), m_prompt_face(face),
m_empty_text{std::move(emptystr)},
m_flags(flags), m_completer(std::move(completer)), m_callback(std::move(callback)),
m_autoshowcompl{context().options()["autoshowcompl"].get<bool>()},
m_idle_timer{TimePoint::max(), context().flags() & Context::Flags::Transient ?
@ -713,17 +719,11 @@ public:
}}
{
m_history_it = ms_history[m_prompt].end();
m_line_editor.reset(std::move(initstr), m_flags & PromptFlags::InactiveInitString ? 0 : -1);
m_line_editor.reset(std::move(initstr), m_empty_text);
}
void on_key(Key key) override
{
if (m_flags & PromptFlags::InactiveInitString)
{
m_flags &= ~PromptFlags::InactiveInitString;
m_line_editor.reset(String{});
}
History& history = ms_history[m_prompt];
const String& line = m_line_editor.line();
@ -803,7 +803,7 @@ public:
if (prefix_match(*it, m_prefix))
{
m_history_it = it;
m_line_editor.reset(*it);
m_line_editor.reset(*it, m_empty_text);
break;
}
} while (it != history.begin());
@ -823,9 +823,9 @@ public:
++m_history_it;
if (m_history_it != history.end())
m_line_editor.reset(*m_history_it);
m_line_editor.reset(*m_history_it, m_empty_text);
else
m_line_editor.reset(m_prefix);
m_line_editor.reset(m_prefix, m_empty_text);
clear_completions();
m_refresh_completion_pending = true;
@ -959,7 +959,7 @@ private:
auto width = context().client().dimensions().column - m_prompt.column_length();
DisplayLine display_line;
if (not (m_flags & PromptFlags::Password))
display_line = m_line_editor.build_display_line(width, m_flags & PromptFlags::InactiveInitString);
display_line = m_line_editor.build_display_line(width);
display_line.insert(display_line.begin(), { m_prompt, m_prompt_face });
context().print_status(display_line);
}
@ -968,8 +968,7 @@ private:
{
display();
m_line_changed = false;
m_callback((m_flags & PromptFlags::InactiveInitString) ? StringView{} : m_line_editor.line(),
PromptEvent::Change, context());
m_callback(m_line_editor.line(), PromptEvent::Change, context());
if (not (context().flags() & Context::Flags::Transient))
m_idle_timer.set_next_date(Clock::now() + get_idle_timeout(context()));
@ -991,6 +990,7 @@ private:
int m_current_completion = -1;
bool m_prefix_in_completions = false;
String m_prefix;
String m_empty_text;
LineEditor m_line_editor;
bool m_line_changed = false;
PromptFlags m_flags;
@ -1456,12 +1456,12 @@ void InputHandler::repeat_last_insert()
kak_assert(dynamic_cast<InputModes::Normal*>(&current_mode()) != nullptr);
}
void InputHandler::prompt(StringView prompt, String initstr,
void InputHandler::prompt(StringView prompt, String initstr, String emptystr,
Face prompt_face, PromptFlags flags,
Completer completer, PromptCallback callback)
{
push_mode(new InputModes::Prompt(*this, prompt, std::move(initstr), prompt_face,
flags, std::move(completer), std::move(callback)));
push_mode(new InputModes::Prompt(*this, prompt, std::move(initstr), std::move(emptystr),
prompt_face, flags, std::move(completer), std::move(callback)));
}
void InputHandler::set_prompt_face(Face prompt_face)

3
src/input_handler.hh
View File

@ -34,7 +34,6 @@ enum class PromptFlags
None = 0,
Password = 1 << 0,
DropHistoryEntriesWithBlankPrefix = 1 << 1,
InactiveInitString = 1 << 2,
};
constexpr bool with_bit_ops(Meta::Type<PromptFlags>) { return true; }
@ -63,7 +62,7 @@ public:
// abort or validation with corresponding PromptEvent value
// returns to normal mode after validation if callback does
// not change the mode itself
void prompt(StringView prompt, String initstr,
void prompt(StringView prompt, String initstr, String emptystr,
Face prompt_face, PromptFlags flags,
Completer completer, PromptCallback callback);
void set_prompt_face(Face prompt_face);

20
src/normal.cc
View File

@ -424,8 +424,8 @@ void command(Context& context, NormalParams params)
CommandManager::instance().clear_last_complete_command();
context.input_handler().prompt(
":", context.main_sel_register_value(':').str(),
get_face("Prompt"), PromptFlags::DropHistoryEntriesWithBlankPrefix | PromptFlags::InactiveInitString,
":", {}, context.main_sel_register_value(':').str(),
get_face("Prompt"), PromptFlags::DropHistoryEntriesWithBlankPrefix,
[](const Context& context, CompletionFlags flags,
StringView cmd_line, ByteCount pos) {
return CommandManager::instance().complete(context, flags, cmd_line, pos);
@ -495,8 +495,8 @@ void pipe(Context& context, NormalParams)
{
const char* prompt = replace ? "pipe:" : "pipe-to:";
context.input_handler().prompt(
prompt, context.main_sel_register_value("|").str(), get_face("Prompt"),
PromptFlags::DropHistoryEntriesWithBlankPrefix | PromptFlags::InactiveInitString,
prompt, {}, context.main_sel_register_value("|").str(), get_face("Prompt"),
PromptFlags::DropHistoryEntriesWithBlankPrefix,
shell_complete,
[](StringView cmdline, PromptEvent event, Context& context)
{
@ -564,8 +564,8 @@ void insert_output(Context& context, NormalParams)
{
const char* prompt = mode == InsertMode::Insert ? "insert-output:" : "append-output:";
context.input_handler().prompt(
prompt, context.main_sel_register_value("|").str(), get_face("Prompt"),
PromptFlags::DropHistoryEntriesWithBlankPrefix | PromptFlags::InactiveInitString,
prompt, {}, context.main_sel_register_value("|").str(), get_face("Prompt"),
PromptFlags::DropHistoryEntriesWithBlankPrefix,
shell_complete,
[](StringView cmdline, PromptEvent event, Context& context)
{
@ -693,8 +693,8 @@ void regex_prompt(Context& context, String prompt, String default_regex, T func)
DisplayCoord position = context.has_window() ? context.window().position() : DisplayCoord{};
SelectionList selections = context.selections();
context.input_handler().prompt(
std::move(prompt), default_regex, get_face("Prompt"),
PromptFlags::InactiveInitString, complete_nothing,
std::move(prompt), {}, default_regex, get_face("Prompt"),
PromptFlags::None, complete_nothing,
[=](StringView str, PromptEvent event, Context& context) mutable {
try
{
@ -994,7 +994,7 @@ void keep(Context& context, NormalParams)
void keep_pipe(Context& context, NormalParams)
{
context.input_handler().prompt(
"keep pipe:", "", get_face("Prompt"),
"keep pipe:", {}, {}, get_face("Prompt"),
PromptFlags::DropHistoryEntriesWithBlankPrefix, shell_complete,
[](StringView cmdline, PromptEvent event, Context& context) {
if (event != PromptEvent::Validate)
@ -1150,7 +1150,7 @@ void select_object(Context& context, NormalParams params)
AutoInfo::Command, context);
context.input_handler().prompt(
"object desc:", "", get_face("Prompt"),
"object desc:", {}, {}, get_face("Prompt"),
PromptFlags::None, complete_nothing,
[count,info](StringView cmdline, PromptEvent event, Context& context) {
if (event != PromptEvent::Change)