mirror of
https://github.com/lihop/godot-xterm.git
synced 2024-11-10 04:40:25 +01:00
Ok
todos:
- Read more than one byte at a time before emitting signal.
- Set correct termios and winp values.
- Handle SIGWINCH stuff when resizing window.
Former-commit-id: 78eeacdc22
This commit is contained in:
parent
bc86b92412
commit
5cc2b2c718
8 changed files with 170 additions and 2 deletions
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@ -98,7 +98,7 @@ cpp_library += '.' + str(bits)
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# make sure our binding library is properly includes
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env.Append(CPPPATH=['.', godot_headers_path, cpp_bindings_path + 'include/', cpp_bindings_path + 'include/core/', cpp_bindings_path + 'include/gen/'])
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env.Append(LIBPATH=[cpp_bindings_path + 'bin/'] + os.environ['LD_LIBRARY_PATH'].split(':'))
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env.Append(LIBS=[cpp_library, 'tsm'])
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env.Append(LIBS=[cpp_library, 'tsm', 'util']) # Note util used by pseudoterminal, tsm used by terminal.
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# tweak this if you want to use different folders, or more folders, to store your source code in.
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env.Append(CPPPATH=['src/'])
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@ -1 +1 @@
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0ecaef63a90e5b7cc5f1af692f4e6658886dcbcf
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da09712f58aeddfe9ec323c9fa07fba8be5ff7b5
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@ -1,4 +1,6 @@
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#include "pseudoterminal.h"
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#include <pty.h>
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#include <unistd.h>
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using namespace godot;
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@ -23,6 +25,111 @@ Pseudoterminal::~Pseudoterminal()
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void Pseudoterminal::_init()
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{
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pty_thread = std::thread(&Pseudoterminal::process_pty, this);
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bytes_to_write = 0;
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}
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void Pseudoterminal::process_pty()
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{
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int fd;
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char *name;
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should_process_pty = true;
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pid_t pty_pid = forkpty(&fd, NULL, NULL, NULL);
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if (pty_pid == -1)
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{
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ERR_PRINT(String("Error forking pty: {0}").format(Array::make(strerror(errno))));
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should_process_pty = false;
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return;
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}
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else if (pty_pid == 0)
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{
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/* Child */
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char termenv[11] = {"TERM=xterm"};
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putenv(termenv);
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char colortermenv[20] = {"COLORTERM=truecolor"};
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putenv(colortermenv);
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char *shell = getenv("SHELL");
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execvp(shell, NULL);
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}
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else
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{
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/* Parent */
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while (1)
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{
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int ready = -1;
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fd_set read_fds;
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fd_set write_fds;
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FD_ZERO(&read_fds);
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FD_SET(fd, &read_fds);
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FD_SET(fd, &write_fds);
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struct timeval timeout;
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timeout.tv_sec = 5;
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timeout.tv_usec = 0;
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ready = select(fd + 1, &read_fds, &write_fds, NULL, &timeout);
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if (ready > 0)
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{
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if (FD_ISSET(fd, &read_fds))
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{
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std::lock_guard<std::mutex> guard(read_buffer_mutex);
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int ret;
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int bytes_read = 0;
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bytes_read = read(fd, read_buffer, 1);
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if (bytes_read <= 0)
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continue;
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//while (1)
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//{
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// ret = read(fd, read_buffer, 1);
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// if (ret == -1 || ret == 0)
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// {
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// break;
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// }
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// else
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// {
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// bytes_read += ret;
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// }
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//}
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PoolByteArray data = PoolByteArray();
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data.resize(bytes_read);
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memcpy(data.write().ptr(), read_buffer, bytes_read);
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emit_signal("data_received", PoolByteArray(data));
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if (bytes_read > 0)
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{
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Godot::print(String("read {0} bytes").format(Array::make(bytes_read)));
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}
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}
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if (FD_ISSET(fd, &write_fds))
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{
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std::lock_guard<std::mutex> guard(write_buffer_mutex);
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if (bytes_to_write > 0)
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{
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write(fd, write_buffer, bytes_to_write);
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bytes_to_write = 0;
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}
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}
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}
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}
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}
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}
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void Pseudoterminal::_ready()
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@ -31,4 +138,7 @@ void Pseudoterminal::_ready()
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void Pseudoterminal::put_data(PoolByteArray data)
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{
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std::lock_guard<std::mutex> guard(write_buffer_mutex);
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bytes_to_write = data.size();
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memcpy(write_buffer, data.read().ptr(), bytes_to_write);
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}
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@ -3,6 +3,8 @@
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#include <Godot.hpp>
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#include <Node.hpp>
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#include <thread>
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#include <mutex>
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namespace godot
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{
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@ -11,6 +13,20 @@ class Pseudoterminal : public Node
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{
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GODOT_CLASS(Pseudoterminal, Node)
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private:
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std::thread pty_thread;
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bool should_process_pty;
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char write_buffer[4096];
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int bytes_to_write;
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std::mutex write_buffer_mutex;
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char read_buffer[4096];
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int bytes_to_read;
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std::mutex read_buffer_mutex;
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void process_pty();
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public:
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static void _register_methods();
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@ -3,16 +3,58 @@ extends Container
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# the window and/or screen. It also connects the terminal
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# to the input/output of the Psuedoterminal.
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const ESCAPE = 27
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const BACKSPACE = 8
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const BEEP = 7
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const SPACE = 32
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const LEFT_BRACKET = 91
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const ENTER = 10
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const BACKSPACE_ALT = 127
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onready var viewport = get_viewport()
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func _ready():
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$Pseudoterminal.connect("data_received", $Terminal, "write")
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$Pseudoterminal.connect("data_received", self, "_on_data_received")
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viewport.connect("size_changed", self, "_resize")
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_resize()
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func _input(event):
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#return
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if event is InputEventKey and event.pressed:
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var data = PoolByteArray([])
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accept_event()
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# TODO: Handle more of these.
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if (event.control and event.scancode == KEY_C):
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data.append(3)
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elif event.unicode:
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data.append(event.unicode)
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elif event.scancode == KEY_ENTER:
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data.append(ENTER)
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elif event.scancode == KEY_BACKSPACE:
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data.append(BACKSPACE_ALT)
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elif event.scancode == KEY_ESCAPE:
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data.append(27)
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elif event.scancode == KEY_TAB:
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data.append(9)
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elif OS.get_scancode_string(event.scancode) == "Shift":
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pass
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elif OS.get_scancode_string(event.scancode) == "Control":
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pass
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else:
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pass
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#push_warning('Unhandled input. scancode: ' + str(OS.get_scancode_string(event.scancode)))
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#emit_signal("output", data)
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$Pseudoterminal.put_data(data)
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func _on_data_received(data: PoolByteArray):
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print("Got data: %s" % data.get_string_from_utf8())
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func _resize():
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rect_size = viewport.size
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$Terminal.rect_size = rect_size
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