Rework custom CSI parsing code and add support for SGR (1006) mouse
This will support parsing mouse coordinates bigger than 255 - 32. And get correct release support.
This commit is contained in:
Maxime Coste
parent
4cc187a54f
commit
04b5d44b3c
|
|
@ -706,49 +706,112 @@ Optional<Key> NCursesUI::get_next_key()
|
|||
};
|
||||
|
||||
constexpr auto direction = make_array({Key::Up, Key::Down, Key::Right, Key::Left, Key::Home, Key::End});
|
||||
auto parse_csi = [this, &direction]() -> Optional<Key> {
|
||||
const Codepoint c1 = m_window.get_char();
|
||||
if (c1 >= 'A' and c1 <= 'F')
|
||||
return Key{direction[c1 - 'A']};
|
||||
if (c1 == '1')
|
||||
constexpr auto special = make_array({Key::Insert, Key::Delete, Key::NamedKey{}, Key::PageUp, Key::PageDown, Key::Home, Key::End, Key::NamedKey{}, Key::NamedKey{},
|
||||
Key::F1, Key::F2, Key::F3, Key::F4, Key::NamedKey{}, Key::F5, Key::F6, Key::F7, Key::F8, Key::F9, Key::F10, Key::NamedKey{}, Key::F11, Key::F12});
|
||||
auto parse_csi = [this, &direction, &special]() -> Optional<Key> {
|
||||
int params[16] = {};
|
||||
int c = m_window.get_char();
|
||||
char private_mode = 0;
|
||||
if (c == '?' or c == '<' or c == '=' or c == '>')
|
||||
{
|
||||
const Codepoint c2 = m_window.get_char();
|
||||
if (c2 >= 'A' and c2 <= 'F')
|
||||
return Key{direction[c2 - 'A']};
|
||||
if (c2 != ';')
|
||||
{
|
||||
ungetch(c2); ungetch(c1);
|
||||
return {};
|
||||
}
|
||||
const Codepoint c3 = m_window.get_char();
|
||||
if (c3 < '2' or c3 > '8')
|
||||
{
|
||||
ungetch(c3); ungetch(c2); ungetch(c1);
|
||||
return {};
|
||||
}
|
||||
const Codepoint c4 = m_window.get_char();
|
||||
if (c4 < 'A' or c4 > 'F')
|
||||
{
|
||||
ungetch(c4); ungetch(c3); ungetch(c2); ungetch(c1);
|
||||
return {};
|
||||
}
|
||||
|
||||
Key::Modifiers modifiers = Key::Modifiers::None;
|
||||
const auto mask = c3 - '1';
|
||||
if (mask & 1)
|
||||
modifiers |= Key::Modifiers::Shift;
|
||||
if (mask & 2)
|
||||
modifiers |= Key::Modifiers::Alt;
|
||||
if (mask & 4)
|
||||
modifiers |= Key::Modifiers::Control;
|
||||
return Key{modifiers, direction[c4 - 'A']};
|
||||
private_mode = c;
|
||||
c = m_window.get_char();
|
||||
}
|
||||
if (c1 == 'I')
|
||||
return {Key::FocusIn};
|
||||
if (c1 == 'O')
|
||||
return {Key::FocusOut};
|
||||
for (int count = 0; count < 16 and c >= 0x30 && c <= 0x3f; c = m_window.get_char())
|
||||
{
|
||||
if ('0' <= 'c' and c <= '9')
|
||||
params[count] = params[count] * 10 + c - '0';
|
||||
else if (c == ';')
|
||||
++count;
|
||||
else
|
||||
return {};
|
||||
}
|
||||
if (c < 0x40 or c > 0x7e)
|
||||
return {};
|
||||
|
||||
ungetch(c1);
|
||||
auto parse_mask = [](int mask) {
|
||||
mask = std::max(0, mask - 1);
|
||||
Key::Modifiers mod = Key::Modifiers::None;
|
||||
if (mask & 1)
|
||||
mod |= Key::Modifiers::Shift;
|
||||
if (mask & 2)
|
||||
mod |= Key::Modifiers::Alt;
|
||||
if (mask & 4)
|
||||
mod |= Key::Modifiers::Control;
|
||||
return mod;
|
||||
};
|
||||
|
||||
auto mouse_button = [this](Key::Modifiers mod, Codepoint coord, bool left, bool release) {
|
||||
auto mask = left ? 0x1 : 0x2;
|
||||
if (not release)
|
||||
{
|
||||
mod |= (m_mouse_state & mask) ? Key::Modifiers::MousePos : (left ? Key::Modifiers::MousePressLeft : Key::Modifiers::MousePressRight);
|
||||
m_mouse_state |= mask;
|
||||
}
|
||||
else
|
||||
{
|
||||
mod |= left ? Key::Modifiers::MouseReleaseLeft : Key::Modifiers::MouseReleaseRight;
|
||||
m_mouse_state &= ~mask;
|
||||
}
|
||||
return Key{mod, coord};
|
||||
};
|
||||
|
||||
if (c >= 'A' and c <= 'F')
|
||||
return Key{parse_mask(params[1]), direction[c - 'A']};
|
||||
if (c == '~' and 2 <= params[0] and params[0] <= 24)
|
||||
return Key{parse_mask(params[1]), special[params[0] - 2]};
|
||||
if (c == 'Z')
|
||||
return shift(Key::Tab);
|
||||
if (c == 'I')
|
||||
return {Key::FocusIn};
|
||||
if (c == 'O')
|
||||
return {Key::FocusOut};
|
||||
if ((c == 'M' or c == 'm') and private_mode == '<')
|
||||
{
|
||||
auto coord = encode_coord({params[2] - content_line_offset() - 1, params[1] - 1});
|
||||
Key::Modifiers mod = parse_mask(1 + ((params[0] >> 2) & 0x7));
|
||||
switch (params[0] & 0x43)
|
||||
{
|
||||
case 0:
|
||||
return mouse_button(mod, coord, true, c == 'm');
|
||||
case 2:
|
||||
return mouse_button(mod, coord, false, c == 'm');
|
||||
case 64:
|
||||
return Key{mod | Key::Modifiers::Scroll,
|
||||
static_cast<Codepoint>(-m_wheel_scroll_amount)};
|
||||
case 65:
|
||||
return Key{mod | Key::Modifiers::Scroll,
|
||||
static_cast<Codepoint>(m_wheel_scroll_amount)};
|
||||
}
|
||||
}
|
||||
if (c == 'M')
|
||||
{
|
||||
const Codepoint b = m_window.get_char() - 32;
|
||||
const int x = m_window.get_char() - 32 - 1;
|
||||
const int y = m_window.get_char() - 32 - 1;
|
||||
auto coord = encode_coord({y - content_line_offset(), x});
|
||||
Key::Modifiers mod = parse_mask(1 + ((b >> 2) & 0x7));
|
||||
switch (b & 0x43)
|
||||
{
|
||||
case 0:
|
||||
return mouse_button(mod, coord, true, false);
|
||||
case 2:
|
||||
return mouse_button(mod, coord, false, false);
|
||||
case 3:
|
||||
if (m_mouse_state & 0x1)
|
||||
return mouse_button(mod, coord, true, true);
|
||||
else if (m_mouse_state & 0x2)
|
||||
return mouse_button(mod, coord, false, true);
|
||||
break;
|
||||
case 64:
|
||||
return Key{mod | Key::Modifiers::Scroll,
|
||||
static_cast<Codepoint>(-m_wheel_scroll_amount)};
|
||||
case 65:
|
||||
return Key{mod | Key::Modifiers::Scroll,
|
||||
static_cast<Codepoint>(m_wheel_scroll_amount)};
|
||||
}
|
||||
return Key{Key::Modifiers::MousePos, coord};
|
||||
}
|
||||
return {};
|
||||
};
|
||||
|
||||
|
|
@ -1239,16 +1302,24 @@ void NCursesUI::enable_mouse(bool enabled)
|
|||
{
|
||||
mousemask(ALL_MOUSE_EVENTS | REPORT_MOUSE_POSITION, nullptr);
|
||||
mouseinterval(0);
|
||||
// force enable report mouse position
|
||||
fputs("\033[?1002h", stdout);
|
||||
// force SGR mode
|
||||
if (m_builtin_key_parser)
|
||||
fputs("\033[?1006h", stdout);
|
||||
// force enable report focus events
|
||||
fputs("\033[?1004h", stdout);
|
||||
// enable mouse
|
||||
fputs("\033[?1000h", stdout);
|
||||
// force enable report mouse position
|
||||
fputs("\033[?1002h", stdout);
|
||||
}
|
||||
else
|
||||
{
|
||||
mousemask(0, nullptr);
|
||||
fputs("\033[?1004l", stdout);
|
||||
fputs("\033[?1002l", stdout);
|
||||
fputs("\033[?1000l", stdout);
|
||||
fputs("\033[?1004l", stdout);
|
||||
if (m_builtin_key_parser)
|
||||
fputs("\033[?1006l", stdout);
|
||||
}
|
||||
fflush(stdout);
|
||||
}
|
||||
|
|
@ -1318,10 +1389,13 @@ void NCursesUI::set_ui_options(const Options& options)
|
|||
|
||||
{
|
||||
auto builtin_key_parser_it = options.find("ncurses_builtin_key_parser"_sv);
|
||||
bool mouse_enabled = m_mouse_enabled;
|
||||
enable_mouse(false);
|
||||
m_builtin_key_parser = builtin_key_parser_it != options.end() and
|
||||
(builtin_key_parser_it->value == "yes" or
|
||||
builtin_key_parser_it->value == "true");
|
||||
keypad(m_window.win, not m_builtin_key_parser);
|
||||
enable_mouse(mouse_enabled);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -163,6 +163,7 @@ private:
|
|||
int m_wheel_up_button = 4;
|
||||
int m_wheel_down_button = 5;
|
||||
int m_wheel_scroll_amount = 3;
|
||||
int m_mouse_state = 0;
|
||||
|
||||
static constexpr int default_shift_function_key = 12;
|
||||
int m_shift_function_key = default_shift_function_key;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user