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Improve mouse support

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This commit is contained in:
ArthurSonzogni
2021-04-25 15:22:38 +02:00
parent 8037a5fa5f
commit 0b9b6c692a
14 changed files with 326 additions and 304 deletions
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11
src/ftxui/component/button.cpp
View File

@@ -10,12 +10,11 @@ Element Button::Render() {
}
bool Button::OnEvent(Event event) {
if (event.is_mouse() && box_.Contain(event.mouse_x(), event.mouse_y())) {
if (event.is_mouse_move()) {
TakeFocus();
return true;
}
if (event.is_mouse_left_down()) {
if (event.is_mouse() && box_.Contain(event.mouse().x, event.mouse().y)) {
TakeFocus();
if (event.mouse().button == Mouse::Left &&
event.mouse().motion == Mouse::Pressed) {
on_click();
return true;
}

10
src/ftxui/component/checkbox.cpp
View File

@@ -26,15 +26,13 @@ bool CheckBox::OnEvent(Event event) {
}
bool CheckBox::OnMouseEvent(Event event) {
if (!box_.Contain(event.mouse_x(), event.mouse_y()))
if (!box_.Contain(event.mouse().x, event.mouse().y))
return false;
if (event.is_mouse_move()) {
TakeFocus();
return true;
}
TakeFocus();
if (event.is_mouse_left_down()) {
if (event.mouse().button == Mouse::Left &&
event.mouse().motion == Mouse::Pressed) {
state = !state;
on_change();
return true;

94
src/ftxui/component/event.cpp
View File

@@ -29,56 +29,11 @@ Event Event::Character(wchar_t c) {
}
// static
Event Event::MouseMove(std::string input, int x, int y) {
Event Event::Mouse(std::string input, struct Mouse mouse) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseMove;
event.mouse_ = {x, y};
return event;
}
// static
Event Event::MouseUp(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseUp;
event.mouse_ = {x, y};
return event;
}
// static
Event Event::MouseLeftDown(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseLeftDown;
event.mouse_ = {x, y};
return event;
}
// static
Event Event::MouseLeftMove(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseLeftMove;
event.mouse_ = {x, y};
return event;
}
// static
Event Event::MouseRightDown(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseRightDown;
event.mouse_ = {x, y};
return event;
}
// static
Event Event::MouseMiddleMove(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseMiddleMove;
event.mouse_ = {x, y};
event.type_ = Type::Mouse;
event.mouse_ = mouse;
return event;
}
@@ -90,54 +45,15 @@ Event Event::Special(std::string input) {
}
// static
Event Event::MouseRightMove(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseRightMove;
event.mouse_ = {x, y};
return event;
}
// static
Event Event::MouseMiddleDown(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::MouseMiddleDown;
event.mouse_ = {x, y};
return event;
}
Event Event::CursorReporting(std::string input, int x, int y) {
Event event;
event.input_ = std::move(input);
event.type_ = Type::CursorReporting;
event.mouse_ = {x, y};
event.cursor_.x = x;
event.cursor_.y = y;
return event;
}
bool Event::is_mouse() const {
switch (type_) {
case Type::Unknown:
case Type::Character:
case Type::CursorReporting:
return false;
case Type::MouseMove:
case Type::MouseUp:
case Type::MouseLeftDown:
case Type::MouseLeftMove:
case Type::MouseMiddleDown:
case Type::MouseMiddleMove:
case Type::MouseRightDown:
case Type::MouseRightMove:
return true;
};
}
void Event::MoveMouse(int dx, int dy) {
mouse_.x += dx;
mouse_.y += dy;
}
// --- Arrow ---
const Event Event::ArrowLeft = Event::Special("\x1B[D");
const Event Event::ArrowRight = Event::Special("\x1B[C");

7
src/ftxui/component/menu.cpp
View File

@@ -61,12 +61,13 @@ bool Menu::OnEvent(Event event) {
bool Menu::OnMouseEvent(Event event) {
for (int i = 0; i < boxes_.size(); ++i) {
if (!boxes_[i].Contain(event.mouse_x(), event.mouse_y()))
if (!boxes_[i].Contain(event.mouse().x, event.mouse().y))
continue;
TakeFocus();
focused = i;
if (event.is_mouse_left_down()) {
TakeFocus();
if (event.mouse().button == Mouse::Left &&
event.mouse().motion == Mouse::Released) {
if (selected != i) {
selected = i;
on_change();

12
src/ftxui/component/radiobox.cpp
View File

@@ -56,16 +56,14 @@ bool RadioBox::OnEvent(Event event) {
bool RadioBox::OnMouseEvent(Event event) {
for (int i = 0; i < boxes_.size(); ++i) {
if (!boxes_[i].Contain(event.mouse_x(), event.mouse_y()))
if (!boxes_[i].Contain(event.mouse().x, event.mouse().y))
continue;
if (event.is_mouse_move()) {
focused = i;
TakeFocus();
return true;
}
focused = i;
TakeFocus();
if (event.is_mouse_left_down()) {
if (event.mouse().button == Mouse::Left &&
event.mouse().motion == Mouse::Pressed) {
cursor_position = i;
TakeFocus();
if (selected != i) {

114
src/ftxui/component/screen_interactive.cpp
View File

@@ -146,19 +146,53 @@ void EventListener(std::atomic<bool>* quit, Sender<Event> out) {
#endif
static const char SHOW_CURSOR[] = "\x1B[?25h";
static const char HIDE_CURSOR[] = "\x1B[?25l";
const std::string CSI = "\x1b[";
static const char ENABLE_LINE_WRAP[] = "\x1B[7h";
static const char DISABLE_LINE_WRAP[] = "\x1B[7l";
// DEC: Digital Equipment Corporation
enum class DECMode {
kLineWrap = 7,
kMouseX10 = 9,
kCursor = 25,
kMouseVt200 = 1000,
kMouseAnyEvent = 1003,
kMouseUtf8 = 1005,
kMouseSgrExtMode = 1006,
kMouseUrxvtMode = 1015,
kMouseSgrPixelsMode = 1016,
kAlternateScreen = 1049,
};
static const char USE_ALTERNATIVE_SCREEN[] = "\x1B[?1049h";
static const char USE_NORMAL_SCREEN[] = "\x1B[?1049l";
// Device Status Report (DSR) {
enum class DSRMode {
kCursor = 6,
};
static const char ENABLE_MOUSE[] = "\x1B[?1000;1003;1006;1015h";
static const char DISABLE_MOUSE[] = "\x1B[?1000;1003;1006;1015l";
const std::string Serialize(std::vector<DECMode> parameters) {
bool first = true;
std::string out;
for (DECMode parameter : parameters) {
if (!first)
out += ";";
out += std::to_string(int(parameter));
first = false;
}
return out;
}
static const char REQUEST_CURSOR_LINE[] = "\x1b[6n";
// DEC Private Mode Set (DECSET)
const std::string Set(std::vector<DECMode> parameters) {
return CSI + "?" + Serialize(parameters) + "h";
}
// DEC Private Mode Reset (DECRST)
const std::string Reset(std::vector<DECMode> parameters) {
return CSI + "?" + Serialize(parameters) + "l";
}
// Device Status Report (DSR)
const std::string DeviceStatusReport(DSRMode ps) {
return CSI + std::to_string(int(ps)) + "n";
}
using SignalHandler = void(int);
std::stack<std::function<void()>> on_exit_functions;
@@ -279,24 +313,44 @@ void ScreenInteractive::Loop(Component* component) {
install_signal_handler(SIGWINCH, OnResize);
#endif
// Commit state:
auto flush = [&] {
Flush();
on_exit_functions.push([] { Flush(); });
};
auto enable = [&](std::vector<DECMode> parameters) {
std::cout << Set(parameters);
on_exit_functions.push([=] { std::cout << Reset(parameters); });
};
auto disable = [&](std::vector<DECMode> parameters) {
std::cout << Reset(parameters);
on_exit_functions.push([=] { std::cout << Set(parameters); });
};
flush();
if (use_alternative_screen_) {
std::cout << USE_ALTERNATIVE_SCREEN;
on_exit_functions.push([] { std::cout << USE_NORMAL_SCREEN; });
enable({
DECMode::kAlternateScreen,
});
}
std::cout << ENABLE_MOUSE;
on_exit_functions.push([] { std::cout << DISABLE_MOUSE; });
// On exit, reset cursor one line after the current drawing.
on_exit_functions.push(
[=] { std::cout << reset_cursor_position << std::endl; });
// Hide the cursor and show it at exit.
std::cout << HIDE_CURSOR;
std::cout << DISABLE_LINE_WRAP;
Flush();
on_exit_functions.push([&] {
std::cout << reset_cursor_position;
std::cout << SHOW_CURSOR;
std::cout << ENABLE_LINE_WRAP;
std::cout << std::endl;
Flush();
disable({
DECMode::kCursor,
DECMode::kLineWrap,
});
enable({
//DECMode::kMouseVt200,
DECMode::kMouseAnyEvent,
DECMode::kMouseUtf8,
DECMode::kMouseSgrExtMode,
});
auto event_listener =
@@ -307,8 +361,8 @@ void ScreenInteractive::Loop(Component* component) {
if (!event_receiver_->HasPending()) {
std::cout << reset_cursor_position << ResetPosition();
static int i = -2;
if (i % 30 == 0)
std::cout << REQUEST_CURSOR_LINE;
if (i % 10 == 0)
std::cout << DeviceStatusReport(DSRMode::kCursor);
++i;
Draw(component);
std::cout << ToString() << set_cursor_position;
@@ -321,13 +375,15 @@ void ScreenInteractive::Loop(Component* component) {
break;
if (event.is_cursor_reporting()) {
cursor_x_ = event.mouse_y();
cursor_y_ = event.mouse_x();
cursor_x_ = event.cursor_x();
cursor_y_ = event.cursor_y();
continue;
}
if (event.is_mouse())
event.MoveMouse(-cursor_x_, -cursor_y_);
if (event.is_mouse()) {
event.mouse().x -= cursor_x_;
event.mouse().y -= cursor_y_;
}
component->OnEvent(event);
}

109
src/ftxui/component/terminal_input_parser.cpp
View File

@@ -36,62 +36,28 @@ void TerminalInputParser::Send(TerminalInputParser::Output output) {
return;
case DROP:
break;
pending_.clear();
return;
case CHARACTER:
out_->Send(Event::Character(std::move(pending_)));
break;
return;
case SPECIAL:
out_->Send(Event::Special(std::move(pending_)));
break;
return;
case MOUSE_MOVE:
out_->Send(
Event::MouseMove(std::move(pending_), output.mouse.x, output.mouse.y));
break;
case MOUSE_UP:
out_->Send(
Event::MouseUp(std::move(pending_), output.mouse.x, output.mouse.y));
break;
case MOUSE_LEFT_DOWN:
out_->Send(Event::MouseLeftDown(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
case MOUSE_LEFT_MOVE:
out_->Send(Event::MouseLeftMove(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
case MOUSE_MIDDLE_DOWN:
out_->Send(Event::MouseMiddleDown(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
case MOUSE_MIDDLE_MOVE:
out_->Send(Event::MouseMiddleMove(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
case MOUSE_RIGHT_DOWN:
out_->Send(Event::MouseRightDown(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
case MOUSE_RIGHT_MOVE:
out_->Send(Event::MouseRightMove(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
case MOUSE:
out_->Send(Event::Mouse(std::move(pending_), output.mouse));
return;
case CURSOR_REPORTING:
out_->Send(Event::CursorReporting(std::move(pending_), output.mouse.x,
output.mouse.y));
break;
out_->Send(Event::CursorReporting(std::move(pending_), output.cursor.x,
output.cursor.y));
return;
}
pending_.clear();
// NOT_REACHED().
}
TerminalInputParser::Output TerminalInputParser::Parse() {
@@ -166,12 +132,18 @@ TerminalInputParser::Output TerminalInputParser::ParseDCS() {
}
TerminalInputParser::Output TerminalInputParser::ParseCSI() {
bool altered = false;
int argument;
std::vector<int> arguments;
while (true) {
if (!Eat())
return UNCOMPLETED;
if (Current() == '<') {
altered = true;
continue;
}
if (Current() >= '0' && Current() <= '9') {
argument *= 10;
argument += int(Current() - '0');
@@ -189,7 +161,9 @@ TerminalInputParser::Output TerminalInputParser::ParseCSI() {
argument = 0;
switch (Current()) {
case 'M':
return ParseMouse(std::move(arguments));
return ParseMouse(altered, true, std::move(arguments));
case 'm':
return ParseMouse(altered, false, std::move(arguments));
case 'R':
return ParseCursorReporting(std::move(arguments));
default:
@@ -219,41 +193,34 @@ TerminalInputParser::Output TerminalInputParser::ParseOSC() {
}
TerminalInputParser::Output TerminalInputParser::ParseMouse(
bool altered,
bool pressed,
std::vector<int> arguments) {
if (arguments.size() != 3)
return SPECIAL;
switch(arguments[0]) {
case 32:
return Output(MOUSE_LEFT_DOWN, arguments[1], arguments[2]);
case 64:
return Output(MOUSE_LEFT_MOVE, arguments[1], arguments[2]);
case 33:
return Output(MOUSE_MIDDLE_DOWN, arguments[1], arguments[2]);
case 65:
return Output(MOUSE_MIDDLE_MOVE, arguments[1], arguments[2]);
(void)altered;
case 34:
return Output(MOUSE_RIGHT_DOWN, arguments[1], arguments[2]);
case 66:
return Output(MOUSE_RIGHT_MOVE, arguments[1], arguments[2]);
case 35:
return Output(MOUSE_UP, arguments[1], arguments[2]);
case 67:
return Output(MOUSE_MOVE, arguments[1], arguments[2]);
default:
return Output(MOUSE_MOVE, arguments[1], arguments[2]);
}
return SPECIAL;
Output output(MOUSE);
output.mouse.button = Mouse::Button((arguments[0] & 3) + //
((arguments[0] & 64) >> 4));
output.mouse.motion = Mouse::Motion(pressed);
output.mouse.shift = arguments[0] & 4;
output.mouse.meta = arguments[0] & 8;
output.mouse.control = arguments[0] & 16;
output.mouse.x = arguments[1];
output.mouse.y = arguments[2];
return output;
}
TerminalInputParser::Output TerminalInputParser::ParseCursorReporting(
std::vector<int> arguments) {
if (arguments.size() != 2)
return SPECIAL;
return Output(CURSOR_REPORTING, arguments[0], arguments[1]);
Output output(CURSOR_REPORTING);
output.cursor.y = arguments[0];
output.cursor.x = arguments[1];
return output;
}
} // namespace ftxui

16
src/ftxui/component/terminal_input_parser.hpp
View File

@@ -24,31 +24,23 @@ class TerminalInputParser {
DROP,
CHARACTER,
SPECIAL,
MOUSE_UP,
MOUSE_MOVE,
MOUSE_LEFT_DOWN,
MOUSE_LEFT_MOVE,
MOUSE_MIDDLE_DOWN,
MOUSE_MIDDLE_MOVE,
MOUSE_RIGHT_DOWN,
MOUSE_RIGHT_MOVE,
MOUSE,
CURSOR_REPORTING,
};
struct Mouse {
struct CursorReporting {
int x;
int y;
Mouse(int x, int y) : x(x), y(y) {}
};
struct Output {
Type type;
union {
Mouse mouse;
CursorReporting cursor;
};
Output(Type type) : type(type) {}
Output(Type type, int x, int y) : type(type), mouse(x, y) {}
};
void Send(Output type);
@@ -58,7 +50,7 @@ class TerminalInputParser {
Output ParseDCS();
Output ParseCSI();
Output ParseOSC();
Output ParseMouse(std::vector<int> arguments);
Output ParseMouse(bool altered, bool pressed, std::vector<int> arguments);
Output ParseCursorReporting(std::vector<int> arguments);
Sender<Event> out_;

65
src/ftxui/component/terminal_input_parser_test.cpp
View File

@@ -66,22 +66,81 @@ TEST(Event, EscapeKeyEnoughWait) {
EXPECT_FALSE(event_receiver->Receive(&received));
}
TEST(Event, GnomeTerminalMouse) {
TEST(Event, MouseLeftClick) {
auto event_receiver = MakeReceiver<Event>();
{
auto parser = TerminalInputParser(event_receiver->MakeSender());
parser.Add('\x1B');
parser.Add('[');
parser.Add('<');
parser.Add('1');
parser.Add('3');
parser.Add('2');
parser.Add(';');
parser.Add('1');
parser.Add('2');
parser.Add(';');
parser.Add('4');
parser.Add('2');
parser.Add('M');
}
Event received;
EXPECT_TRUE(event_receiver->Receive(&received));
EXPECT_TRUE(received.is_mouse());
EXPECT_EQ(Mouse::Left, received.mouse().button);
EXPECT_EQ(12, received.mouse().x);
EXPECT_EQ(42, received.mouse().y);
EXPECT_FALSE(event_receiver->Receive(&received));
}
TEST(Event, MouseMiddleClick) {
auto event_receiver = MakeReceiver<Event>();
{
auto parser = TerminalInputParser(event_receiver->MakeSender());
parser.Add('\x1B');
parser.Add('[');
parser.Add('3');
parser.Add('3');
parser.Add(';');
parser.Add('1');
parser.Add('2');
parser.Add(';');
parser.Add('4');
parser.Add('2');
parser.Add('M');
}
Event received;
EXPECT_TRUE(event_receiver->Receive(&received));
EXPECT_TRUE(received.is_mouse());
EXPECT_EQ(Mouse::Middle, received.mouse().button);
EXPECT_EQ(12, received.mouse().x);
EXPECT_EQ(42, received.mouse().y);
EXPECT_FALSE(event_receiver->Receive(&received));
}
TEST(Event, MouseRightClick) {
auto event_receiver = MakeReceiver<Event>();
{
auto parser = TerminalInputParser(event_receiver->MakeSender());
parser.Add('\x1B');
parser.Add('[');
parser.Add('3');
parser.Add('4');
parser.Add(';');
parser.Add('1');
parser.Add('2');
parser.Add(';');
parser.Add('4');
parser.Add('2');
parser.Add('M');
}
Event received;
EXPECT_TRUE(event_receiver->Receive(&received));
EXPECT_TRUE(received.is_mouse());
EXPECT_EQ(Mouse::Right, received.mouse().button);
EXPECT_EQ(12, received.mouse().x);
EXPECT_EQ(42, received.mouse().y);
EXPECT_FALSE(event_receiver->Receive(&received));
}

5
src/ftxui/component/toggle.cpp
View File

@@ -60,12 +60,13 @@ bool Toggle::OnEvent(Event event) {
bool Toggle::OnMouseEvent(Event event) {
for (int i = 0; i < boxes_.size(); ++i) {
if (!boxes_[i].Contain(event.mouse_x(), event.mouse_y()))
if (!boxes_[i].Contain(event.mouse().x, event.mouse().y))
continue;
TakeFocus();
focused = i;
if (event.is_mouse_left_down()) {
if (event.mouse().button == Mouse::Left &&
event.mouse().motion == Mouse::Pressed) {
TakeFocus();
if (selected != i) {
selected = i;